CRUD of User Management, JWT Management Session, Protected Routes (#758)

This pull request introduces a comprehensive set of features aimed at
enhancing user management, session handling using JWT, and implementing
protected routes within the application. The changes focus on providing
a seamless user experience while ensuring security and controlled access
to resources.

.devcontainer/demo/devcontainer.json

@@ -15,7 +15,8 @@
 				"actboy168.tasks",
 				"GitHub.copilot",
 				"ms-python.python",
-				"eamodio.gitlens"
+				"eamodio.gitlens",
+				"GitHub.vscode-pull-request-github"
 			]
 		}
 	},

.devcontainer/devcontainer.json

@@ -3,32 +3,36 @@
 {
 	"name": "LangChain Dev Container",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/universal:2-linux",
+	"image": "mcr.microsoft.com/devcontainers/python:1-3.10-bullseye",
+	
+	// Features to add to the dev container. More info: https://containers.dev/features.
 	"features": {
-		"ghcr.io/devcontainers/features/aws-cli:1": {},
+		"ghcr.io/devcontainers/features/node": {},
-		"ghcr.io/devcontainers/features/docker-in-docker": {}
+		"ghcr.io/devcontainers-contrib/features/poetry": {}
 	},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	"postCreateCommand": "make setup_devcontainer",
+
+	"containerEnv": {
+		"POETRY_VIRTUALENVS_IN_PROJECT": "true"
+	},
+
+	// Configure tool-specific properties.
 	"customizations": {
 		"vscode": {"extensions": [
 				"actboy168.tasks",
 				"GitHub.copilot",
 				"ms-python.python",
 				"sourcery.sourcery",
-				"eamodio.gitlens"
+				"eamodio.gitlens",
+				"ms-vscode.makefile-tools",
+				"GitHub.vscode-pull-request-github"
 			]}
-	},
+	}
-
-	// Features to add to the dev container. More info: https://containers.dev/features.
-	// "features": {},
-
-	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [],
-
-	// Use 'postCreateCommand' to run commands after the container is created.
-	"postCreateCommand": "poetry install"
-
-	// Configure tool-specific properties.
-	// "customizations": {},
 
 	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
 	// "remoteUser": "root"

.gitattributes

@@ -0,0 +1,24 @@
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text eol=lf
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout.
+*.c text
+*.h text
+*.py text
+*.js text
+*.ts text
+*.jsx text
+*.md text
+*.mdx text
+
+# Declare files that will always have CRLF line endings on checkout.
+*.sln text eol=crlf
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary
+*.mp4 binary
+*.svg binary
+*.ico binary
+*.gif binary

Makefile

@@ -34,13 +34,25 @@ lint:
 install_frontend:
 	cd src/frontend && npm install
 
+install_frontendc:
+	cd src/frontend && rm -rf node_modules package-lock.json && npm install
+
 run_frontend:
 	cd src/frontend && npm start
 
+setup_devcontainer:
+	make init
+	make build_frontend
+	poetry run langflow --path src/frontend/build
+
 frontend:
 	make install_frontend
 	make run_frontend
 
+frontendc:
+	make install_frontendc
+	make run_frontend
+
 install_backend:
 	poetry install
 

docker-compose.debug.yml

@@ -1,33 +1,33 @@
-version: "3.4"
+version: "3.4"
-
+
-services:
+services:
-  backend:
+  backend:
-    volumes:
+    volumes:
-      - ./:/app
+      - ./:/app
-    build:
+    build:
-      context: ./
+      context: ./
-      dockerfile: ./dev.Dockerfile
+      dockerfile: ./dev.Dockerfile
-    command:
+    command:
-      [
+      [
-        "sh",
+        "sh",
-        "-c",
+        "-c",
-        "pip install debugpy -t /tmp && python /tmp/debugpy --wait-for-client --listen 0.0.0.0:5678 -m uvicorn --factory src.backend.langflow.main:create_app --host 0.0.0.0 --port 7860 --reload",
+        "pip install debugpy -t /tmp && python /tmp/debugpy --wait-for-client --listen 0.0.0.0:5678 -m uvicorn --factory src.backend.langflow.main:create_app --host 0.0.0.0 --port 7860 --reload",
-      ]
+      ]
-    ports:
+    ports:
-      - 7860:7860
+      - 7860:7860
-      - 5678:5678
+      - 5678:5678
-    restart: on-failure
+    restart: on-failure
-
+
-  frontend:
+  frontend:
-    build:
+    build:
-      context: ./src/frontend
+      context: ./src/frontend
-      dockerfile: ./dev.Dockerfile
+      dockerfile: ./dev.Dockerfile
-      args:
+      args:
-        - BACKEND_URL=http://backend:7860
+        - BACKEND_URL=http://backend:7860
-    ports:
+    ports:
-      - "3000:3000"
+      - "3000:3000"
-    volumes:
+    volumes:
-      - ./src/frontend/public:/home/node/app/public
+      - ./src/frontend/public:/home/node/app/public
-      - ./src/frontend/src:/home/node/app/src
+      - ./src/frontend/src:/home/node/app/src
-      - ./src/frontend/package.json:/home/node/app/package.json
+      - ./src/frontend/package.json:/home/node/app/package.json
-    restart: on-failure
+    restart: on-failure

docs/docs/components/tools.mdx

@@ -6,4 +6,58 @@ import Admonition from '@theme/Admonition';
     <p>
         We appreciate your understanding as we polish our documentation – it may contain some rough edges. Share your feedback or report issues to help us improve! 🛠️📝
     </p>
-</Admonition>
+</Admonition>
+
+
+### BingSearchRun
+
+Bing Search is a web search engine owned and operated by Microsoft. It provides search results for various types of content, including web pages, images, videos, and news articles. It uses a combination of algorithms and human editors to deliver search results to users.
+
+**Params**
+
+- **Api Wrapper:** A BingSearchAPIWrapper component that takes the search URL and a subscription key.
+
+
+### Calculator
+
+The calculator tool provides mathematical calculation capabilities to an agent by leveraging an LLMMathChain. It allows the agent to perform math when needed to answer questions.
+
+**Params**
+
+- **LLM:** Language Model to use in the calculation.
+
+
+### GoogleSearchResults
+
+A wrapper around Google Search. Useful for when the user needs to answer questions about with more control over the JSON data returned from the API. It returns the full JSON response configured based on the parameters passed to the API wrapper.
+
+**Params**
+
+- **Api Wrapper:** A GoogleSearchAPIWrapper with Google API key and CSE ID
+
+
+### GoogleSearchRun
+
+A quick wrapper around Google Search. It executes the search query and returns just the first result snippet from the highest-priority result type.
+
+**Params**
+
+- **Api Wrapper:** A GoogleSearchAPIWrapper with Google API key and CSE ID
+
+
+### GoogleSerperRun
+
+A low-cost Google Search API.
+
+**Params**
+
+- **Api Wrapper:** A GoogleSerperAPIWrapper component with API key and result keys
+
+
+### InfoSQLDatabaseTool
+
+Tool for getting metadata about a SQL database. The input to this tool is a comma-separated list of tables, and the output is the schema and sample rows for those tables. Example Input: `“table1`, `table2`, `table3”`.
+
+**Params**
+
+- **Db:** SQLDatabase to query.

poetry.lock

@@ -146,13 +146,13 @@ files = [
 
 [[package]]
 name = "alembic"
-version = "1.11.2"
+version = "1.11.3"
 description = "A database migration tool for SQLAlchemy."
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "alembic-1.11.2-py3-none-any.whl", hash = "sha256:7981ab0c4fad4fe1be0cf183aae17689fe394ff874fd2464adb774396faf0796"},
+    {file = "alembic-1.11.3-py3-none-any.whl", hash = "sha256:d6c96c2482740592777c400550a523bc7a9aada4e210cae2e733354ddae6f6f8"},
-    {file = "alembic-1.11.2.tar.gz", hash = "sha256:678f662130dc540dac12de0ea73de9f89caea9dbea138f60ef6263149bf84657"},
+    {file = "alembic-1.11.3.tar.gz", hash = "sha256:3db4ce81a9072e1b5aa44c2d202add24553182672a12daf21608d6f62a8f9cf9"},
 ]
 
 [package.dependencies]
@@ -165,20 +165,20 @@ tz = ["python-dateutil"]
 
 [[package]]
 name = "anthropic"
-version = "0.3.9"
+version = "0.3.10"
 description = "Client library for the anthropic API"
 optional = false
 python-versions = ">=3.7,<4.0"
 files = [
-    {file = "anthropic-0.3.9-py3-none-any.whl", hash = "sha256:23e8daf266c707faa0b85328ada03dcf885e62c2f236eb0159352e29b9c4e2e3"},
+    {file = "anthropic-0.3.10-py3-none-any.whl", hash = "sha256:95cd73168296a4f91a5899a28660991e044322cf94442d07b99901d4ca74acd6"},
-    {file = "anthropic-0.3.9.tar.gz", hash = "sha256:c19b75308c07cb1ecbea03ffcdde9ba68e5ca22a22479217712396385678bde3"},
+    {file = "anthropic-0.3.10.tar.gz", hash = "sha256:d1f66efc541fbff0ecfd37fd4d3690f9daaa748fc42d9ded5863a10815a5d97b"},
 ]
 
 [package.dependencies]
 anyio = ">=3.5.0,<4"
 distro = ">=1.7.0,<2"
 httpx = ">=0.23.0,<1"
-pydantic = ">=1.9.0,<2.0.0"
+pydantic = ">=1.9.0,<3"
 tokenizers = ">=0.13.0"
 typing-extensions = ">=4.5,<5"
 
@@ -792,13 +792,13 @@ sqlalchemy = ["sqlalchemy (>1.3.21,<2.0)"]
 
 [[package]]
 name = "cohere"
-version = "4.20.0"
+version = "4.20.1"
 description = ""
 optional = false
 python-versions = ">=3.7,<4.0"
 files = [
-    {file = "cohere-4.20.0-py3-none-any.whl", hash = "sha256:bebe4b1d21da0719aaa7db2cc180b5f3d0a802c19ad2d893d627971286e50497"},
+    {file = "cohere-4.20.1-py3-none-any.whl", hash = "sha256:4466c7abdbb168fe2893e5b5123882fe91691d0e3fe43ee254b411917f780dfc"},
-    {file = "cohere-4.20.0.tar.gz", hash = "sha256:a16e86981945c201bab67ad6d47e57f42a37bf2a774f6ac6b8b12233aae6409a"},
+    {file = "cohere-4.20.1.tar.gz", hash = "sha256:533e4a45b38dc338f8a27f24e098b652b4f5ed9f9fbb4719780d1a9fcd1af39e"},
 ]
 
 [package.dependencies]
@@ -1630,13 +1630,13 @@ grpcio-gcp = ["grpcio-gcp (>=0.2.2,<1.0.dev0)"]
 
 [[package]]
 name = "google-api-python-client"
-version = "2.96.0"
+version = "2.97.0"
 description = "Google API Client Library for Python"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "google-api-python-client-2.96.0.tar.gz", hash = "sha256:f712373d03d338af57b9f5fe98c91f4b5baaa8765469b015bc623c4681c5bd51"},
+    {file = "google-api-python-client-2.97.0.tar.gz", hash = "sha256:48277291894876a1ca7ed4127e055e81f81e6343ced1b544a7200ae2c119dcd7"},
-    {file = "google_api_python_client-2.96.0-py2.py3-none-any.whl", hash = "sha256:38c2b61b10d15bb41ec8f89303e3837ec2d2c3e4e38de5800c05ee322492f937"},
+    {file = "google_api_python_client-2.97.0-py2.py3-none-any.whl", hash = "sha256:5215f4cd577753fc4192ccfbe0bb8b55d4bb5fd68fa6268ac5cf271b6305de31"},
 ]
 
 [package.dependencies]
@@ -2979,13 +2979,13 @@ test = ["psutil", "pytest", "pytest-asyncio"]
 
 [[package]]
 name = "langsmith"
-version = "0.0.22"
+version = "0.0.24"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 optional = false
 python-versions = ">=3.8.1,<4.0"
 files = [
-    {file = "langsmith-0.0.22-py3-none-any.whl", hash = "sha256:1bc94a2e5bfa355ca15d9e658c2c2d04c8cc45c61892a1be08a7c3b40f2fd3f4"},
+    {file = "langsmith-0.0.24-py3-none-any.whl", hash = "sha256:f9f951d070aa1919123d700642aca9c781edfc8797a65ab1161aa12f89bed707"},
-    {file = "langsmith-0.0.22.tar.gz", hash = "sha256:5726c7841294db2a9e5863e20718878d16e28722bdaf3169a278ff3bda2f0be7"},
+    {file = "langsmith-0.0.24.tar.gz", hash = "sha256:9c066dd915752324490a735692997b0db0958f5dfc1e0a0dfbf752c6e62c7529"},
 ]
 
 [package.dependencies]
@@ -3573,33 +3573,38 @@ dill = ">=0.3.7"
 
 [[package]]
 name = "mypy"
-version = "1.5.0"
+version = "1.5.1"
 description = "Optional static typing for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "mypy-1.5.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:ad3109bec37cc33654de8db30fe8ff3a1bb57ea65144167d68185e6dced9868d"},
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+    {file = "mypy-1.5.1-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:258b22210a4a258ccd077426c7a181d789d1121aca6db73a83f79372f5569ae0"},
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@@ -6113,18 +6131,18 @@ files = [
 
 [[package]]
 name = "setuptools"
-version = "68.0.0"
+version = "68.1.0"
 description = "Easily download, build, install, upgrade, and uninstall Python packages"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "setuptools-68.0.0-py3-none-any.whl", hash = "sha256:11e52c67415a381d10d6b462ced9cfb97066179f0e871399e006c4ab101fc85f"},
+    {file = "setuptools-68.1.0-py3-none-any.whl", hash = "sha256:e13e1b0bc760e9b0127eda042845999b2f913e12437046e663b833aa96d89715"},
-    {file = "setuptools-68.0.0.tar.gz", hash = "sha256:baf1fdb41c6da4cd2eae722e135500da913332ab3f2f5c7d33af9b492acb5235"},
+    {file = "setuptools-68.1.0.tar.gz", hash = "sha256:d59c97e7b774979a5ccb96388efc9eb65518004537e85d52e81eaee89ab6dd91"},
 ]
 
 [package.extras]
-docs = ["furo", "jaraco.packaging (>=9)", "jaraco.tidelift (>=1.4)", "pygments-github-lexers (==0.0.5)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-favicon", "sphinx-hoverxref (<2)", "sphinx-inline-tabs", "sphinx-lint", "sphinx-notfound-page (==0.8.3)", "sphinx-reredirects", "sphinxcontrib-towncrier"]
+docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "pygments-github-lexers (==0.0.5)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-favicon", "sphinx-hoverxref (<2)", "sphinx-inline-tabs", "sphinx-lint", "sphinx-notfound-page (==0.8.3)", "sphinx-reredirects", "sphinxcontrib-towncrier"]
-testing = ["build[virtualenv]", "filelock (>=3.4.0)", "flake8-2020", "ini2toml[lite] (>=0.9)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "pip (>=19.1)", "pip-run (>=8.8)", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=1.3)", "pytest-mypy (>=0.9.1)", "pytest-perf", "pytest-ruff", "pytest-timeout", "pytest-xdist", "tomli-w (>=1.0.0)", "virtualenv (>=13.0.0)", "wheel"]
+testing = ["build[virtualenv]", "filelock (>=3.4.0)", "flake8-2020", "ini2toml[lite] (>=0.9)", "jaraco.develop (>=7.21)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "pip (>=19.1)", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-mypy (>=0.9.1)", "pytest-perf", "pytest-ruff", "pytest-timeout", "pytest-xdist", "tomli-w (>=1.0.0)", "virtualenv (>=13.0.0)", "wheel"]
 testing-integration = ["build[virtualenv]", "filelock (>=3.4.0)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "pytest", "pytest-enabler", "pytest-xdist", "tomli", "virtualenv (>=13.0.0)", "wheel"]
 
 [[package]]
@@ -6514,13 +6532,13 @@ doc = ["reno", "sphinx", "tornado (>=4.5)"]
 
 [[package]]
 name = "textual"
-version = "0.32.0"
+version = "0.33.0"
 description = "Modern Text User Interface framework"
 optional = true
 python-versions = ">=3.7,<4.0"
 files = [
-    {file = "textual-0.32.0-py3-none-any.whl", hash = "sha256:81fc68406c8806bc864e2f035874a868b4ff0cf466289dce5f7b31869949383b"},
+    {file = "textual-0.33.0-py3-none-any.whl", hash = "sha256:698a093add0fd21c786232bcacde9ff427a9d5dc9ea5deca93437d9453e4ead1"},
-    {file = "textual-0.32.0.tar.gz", hash = "sha256:f7b6683bc18faee6fd3c47cfbad43fbf8273c5fecc12230d52ce5ee089021327"},
+    {file = "textual-0.33.0.tar.gz", hash = "sha256:e0a98b1d9c4458c5bb4269c65d0a7f3e926f197411242d2f8faf80183d47a728"},
 ]
 
 [package.dependencies]
@@ -6939,6 +6957,17 @@ files = [
     {file = "types_cachetools-5.3.0.6-py3-none-any.whl", hash = "sha256:f7f8a25bfe306f2e6bc2ad0a2f949d9e72f2d91036d509c36d3810bf728bc6e1"},
 ]
 
+[[package]]
+name = "types-passlib"
+version = "1.7.7.13"
+description = "Typing stubs for passlib"
+optional = false
+python-versions = "*"
+files = [
+    {file = "types-passlib-1.7.7.13.tar.gz", hash = "sha256:f152639f1f2103d7f59a56e2aec5f9398a75a80830991d0d68aac5c2b9c32a77"},
+    {file = "types_passlib-1.7.7.13-py3-none-any.whl", hash = "sha256:414b5ee9c88313357c9261cfcf816509b1e8e4673f0796bd61e9ef249f6fe076"},
+]
+
 [[package]]
 name = "types-pillow"
 version = "9.5.0.6"
@@ -6950,6 +6979,31 @@ files = [
     {file = "types_Pillow-9.5.0.6-py3-none-any.whl", hash = "sha256:1d238abaa9d529b04941d805b7f4d3f7df30702bb14521ec507617f117406fb4"},
 ]
 
+[[package]]
+name = "types-pyasn1"
+version = "0.4.0.6"
+description = "Typing stubs for pyasn1"
+optional = false
+python-versions = "*"
+files = [
+    {file = "types-pyasn1-0.4.0.6.tar.gz", hash = "sha256:8f1965d0b79152f9d1efc89f9aa9a8cdda7cd28b2619df6737c095cbedeff98b"},
+    {file = "types_pyasn1-0.4.0.6-py3-none-any.whl", hash = "sha256:dd5fc818864e63a66cd714be0a7a59a493f4a81b87ee9ac978c41f1eaa9a0cef"},
+]
+
+[[package]]
+name = "types-python-jose"
+version = "3.3.4.8"
+description = "Typing stubs for python-jose"
+optional = false
+python-versions = "*"
+files = [
+    {file = "types-python-jose-3.3.4.8.tar.gz", hash = "sha256:3c316675c3cee059ccb9aff87358254344915239fa7f19cee2787155a7db14ac"},
+    {file = "types_python_jose-3.3.4.8-py3-none-any.whl", hash = "sha256:95592273443b45dc5cc88f7c56aa5a97725428753fb738b794e63ccb4904954e"},
+]
+
+[package.dependencies]
+types-pyasn1 = "*"
+
 [[package]]
 name = "types-pytz"
 version = "2023.3.0.1"
@@ -7693,4 +7747,4 @@ local = ["ctransformers", "llama-cpp-python", "sentence-transformers"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.11"
-content-hash = "0f7d3f932eb130e7f3b6d234fc36e403ef409d63cfc825ba9f4c470203425ad2"
+content-hash = "8ad605e7ea30f2819dbc03eac6c2e67576a98d1efa4890912414a7568fc27441"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langflow"
-version = "0.4.7"
+version = "0.4.11"
 description = "A Python package with a built-in web application"
 authors = ["Logspace <contact@logspace.ai>"]
 maintainers = [
@@ -97,6 +97,8 @@ pandas-stubs = "^2.0.0.230412"
 types-pillow = "^9.5.0.2"
 types-appdirs = "^1.4.3.5"
 types-pyyaml = "^6.0.12.8"
+types-python-jose = "^3.3.4.8"
+types-passlib = "^1.7.7.13"
 
 
 [tool.poetry.extras]

src/backend/langflow/__main__.py

@@ -1,6 +1,7 @@
 import sys
 import time
 import httpx
+from langflow.services.manager import initialize_settings_manager
 from langflow.services.utils import get_settings_manager
 from langflow.utils.util import get_number_of_workers
 from multiprocess import Process  # type: ignore
@@ -30,6 +31,7 @@ def update_settings(
     """Update the settings from a config file."""
 
     # Check for database_url in the environment variables
+    initialize_settings_manager()
     settings_manager = get_settings_manager()
     if config:
         logger.debug(f"Loading settings from {config}")

src/backend/langflow/api/v1/endpoints.py

@@ -1,5 +1,5 @@
 from http import HTTPStatus
-from typing import Annotated, Optional
+from typing import Annotated, Optional, Union
 
 from langflow.services.cache.utils import save_uploaded_file
 from langflow.services.database.models.flow import Flow
@@ -44,15 +44,21 @@ def get_all():
         logger.info(
             f"Building custom components from {settings_manager.settings.COMPONENTS_PATH}"
         )
-        custom_component_dicts = [
+
-            build_langchain_custom_component_list_from_path(str(path))
+        custom_component_dicts = []
-            for path in settings_manager.settings.COMPONENTS_PATH
+        processed_paths = []
-        ]
+        for path in settings_manager.settings.COMPONENTS_PATH:
+            if str(path) in processed_paths:
+                continue
+            custom_component_dict = build_langchain_custom_component_list_from_path(
+                str(path)
+            )
+            custom_component_dicts.append(custom_component_dict)
+            processed_paths.append(str(path))
+
         logger.info(f"Loading {len(custom_component_dicts)} category(ies)")
         for custom_component_dict in custom_component_dicts:
             # custom_component_dict is a dict of dicts
-            if not custom_component_dict:
-                continue
             category = list(custom_component_dict.keys())[0]
             logger.info(
                 f"Loading {len(custom_component_dict[category])} component(s) from category {category}"
@@ -75,6 +81,7 @@ async def process_flow(
     inputs: Optional[dict] = None,
     tweaks: Optional[dict] = None,
     clear_cache: Annotated[bool, Body(embed=True)] = False,  # noqa: F821
+    session_id: Annotated[Union[None, str], Body(embed=True)] = None,  # noqa: F821
     session: Session = Depends(get_session),
 ):
     """
@@ -94,10 +101,10 @@ async def process_flow(
                 graph_data = process_tweaks(graph_data, tweaks)
             except Exception as exc:
                 logger.error(f"Error processing tweaks: {exc}")
-        response = process_graph_cached(graph_data, inputs, clear_cache)
+        response, session_id = process_graph_cached(
-        return ProcessResponse(
+            graph_data, inputs, clear_cache, session_id
-            result=response,
         )
+        return ProcessResponse(result=response, session_id=session_id)
     except Exception as e:
         # Log stack trace
         logger.exception(e)

src/backend/langflow/api/v1/schemas.py

@@ -47,6 +47,7 @@ class ProcessResponse(BaseModel):
     """Process response schema."""
 
     result: dict
+    session_id: Optional[str] = None
 
 
 class ChatMessage(BaseModel):

src/backend/langflow/auth/auth.py

@@ -7,9 +7,8 @@ from fastapi.security import OAuth2PasswordBearer
 from fastapi import Depends, HTTPException, status
 from datetime import datetime, timedelta, timezone
 
-from langflow.services.utils import get_settings_manager
+from langflow.services.utils import get_settings_manager, get_session
 
-from langflow.services.utils import get_session
 from langflow.database.models.user import (
     User,
     get_user_by_id,
@@ -83,18 +82,40 @@ def create_token(data: dict, expires_delta: timedelta):
     )
 
 
-def create_user_longterm_token(
+def create_super_user(db: Session = Depends(get_session)) -> User:
-    user_id: UUID, db: Session = Depends(get_session), update_last_login: bool = False
+    settings_manager = get_settings_manager()
-) -> dict:
+
+    super_user = get_user_by_username(db, settings_manager.settings.FIRST_SUPERUSER)
+
+    if not super_user:
+        super_user = User(
+            username=settings_manager.settings.FIRST_SUPERUSER,
+            password=get_password_hash(
+                settings_manager.settings.FIRST_SUPERUSER_PASSWORD
+            ),
+            is_superuser=True,
+            is_active=True,
+            last_login_at=None,
+        )
+
+        db.add(super_user)
+        db.commit()
+        db.refresh(super_user)
+
+    return super_user
+
+
+def create_user_longterm_token(db: Session = Depends(get_session)) -> dict:
+    super_user = create_super_user(db)
+
     access_token_expires_longterm = timedelta(days=365)
     access_token = create_token(
-        data={"sub": str(user_id)},
+        data={"sub": str(super_user.id)},
         expires_delta=access_token_expires_longterm,
     )
 
     # Update: last_login_at
-    if update_last_login:
+    update_user_last_login_at(super_user.id, db)
-        update_user_last_login_at(user_id, db)
 
     return {
         "access_token": access_token,
@@ -103,6 +124,23 @@ def create_user_longterm_token(
     }
 
 
+def create_user_api_key(user_id: UUID) -> dict:
+    access_token = create_token(
+        data={"sub": str(user_id), "role": "api_key"},
+        expires_delta=timedelta(days=365 * 2),
+    )
+
+    return {"api_key": access_token}
+
+
+def get_user_id_from_token(token: str) -> UUID:
+    try:
+        user_id = jwt.get_unverified_claims(token)["sub"]
+        return UUID(user_id)
+    except (KeyError, JWTError, ValueError):
+        return UUID(int=0)
+
+
 def create_user_tokens(
     user_id: UUID, db: Session = Depends(get_session), update_last_login: bool = False
 ) -> dict:

src/backend/langflow/components/agents/OpenAIConversationalAgent.py

@@ -0,0 +1,82 @@
+from langflow import CustomComponent
+from typing import Optional
+from langchain.prompts import SystemMessagePromptTemplate
+from langchain.tools import Tool
+from langchain.schema.memory import BaseMemory
+from langchain.chat_models import ChatOpenAI
+
+from langchain.agents.agent import AgentExecutor
+from langchain.agents.openai_functions_agent.base import OpenAIFunctionsAgent
+from langchain.memory.token_buffer import ConversationTokenBufferMemory
+from langchain.prompts.chat import MessagesPlaceholder
+from langchain.agents.agent_toolkits.conversational_retrieval.openai_functions import (
+    _get_default_system_message,
+)
+
+
+class ConversationalAgent(CustomComponent):
+    display_name: str = "OpenAI Conversational Agent"
+    description: str = "Conversational Agent that can use OpenAI's function calling API"
+
+    def build_config(self):
+        openai_function_models = [
+            "gpt-3.5-turbo-0613",
+            "gpt-3.5-turbo-16k-0613",
+            "gpt-4-0613",
+            "gpt-4-32k-0613",
+        ]
+        return {
+            "tools": {"is_list": True, "display_name": "Tools"},
+            "memory": {"display_name": "Memory"},
+            "system_message": {"display_name": "System Message"},
+            "max_token_limit": {"display_name": "Max Token Limit"},
+            "model_name": {
+                "display_name": "Model Name",
+                "options": openai_function_models,
+                "value": openai_function_models[0],
+            },
+            "code": {"show": False},
+        }
+
+    def build(
+        self,
+        model_name: str,
+        openai_api_key: str,
+        openai_api_base: str,
+        tools: Tool,
+        memory: Optional[BaseMemory] = None,
+        system_message: Optional[SystemMessagePromptTemplate] = None,
+        max_token_limit: int = 2000,
+    ) -> AgentExecutor:
+        llm = ChatOpenAI(
+            model=model_name,
+            openai_api_key=openai_api_key,
+            openai_api_base=openai_api_base,
+        )
+        if not memory:
+            memory_key = "chat_history"
+            memory = ConversationTokenBufferMemory(
+                memory_key=memory_key,
+                return_messages=True,
+                output_key="output",
+                llm=llm,
+                max_token_limit=max_token_limit,
+            )
+        else:
+            memory_key = memory.memory_key  # type: ignore
+
+        _system_message = system_message or _get_default_system_message()
+        prompt = OpenAIFunctionsAgent.create_prompt(
+            system_message=_system_message,  # type: ignore
+            extra_prompt_messages=[MessagesPlaceholder(variable_name=memory_key)],
+        )
+        agent = OpenAIFunctionsAgent(
+            llm=llm, tools=tools, prompt=prompt  # type: ignore
+        )
+        return AgentExecutor(
+            agent=agent,
+            tools=tools,  # type: ignore
+            memory=memory,
+            verbose=True,
+            return_intermediate_steps=True,
+        )

src/backend/langflow/graph/utils.py

@@ -3,6 +3,10 @@ from typing import Any, Union
 from langflow.interface.utils import extract_input_variables_from_prompt
 
 
+class UnbuiltObject:
+    pass
+
+
 def validate_prompt(prompt: str):
     """Validate prompt."""
     if extract_input_variables_from_prompt(prompt):

src/backend/langflow/graph/vertex/base.py

@@ -1,4 +1,5 @@
 import ast
+from langflow.graph.utils import UnbuiltObject
 from langflow.interface.initialize import loading
 from langflow.interface.listing import lazy_load_dict
 from langflow.utils.constants import DIRECT_TYPES
@@ -22,7 +23,7 @@ class Vertex:
         self.edges: List["Edge"] = []
         self.base_type: Optional[str] = base_type
         self._parse_data()
-        self._built_object = None
+        self._built_object = UnbuiltObject()
         self._built = False
         self.artifacts: Dict[str, Any] = {}
 
@@ -245,8 +246,14 @@ class Vertex:
         """
         Checks if the built object is None and raises a ValueError if so.
         """
-        if self._built_object is None:
+        if isinstance(self._built_object, UnbuiltObject):
-            raise ValueError(f"Node type {self.vertex_type} not found")
+            raise ValueError(f"{self.vertex_type}: {self._built_object_repr()}")
+        elif self._built_object is None:
+            message = f"{self.vertex_type} returned None."
+            if self.base_type == "custom_components":
+                message += " Make sure your build method returns a component."
+
+            raise ValueError(message)
 
     def build(self, force: bool = False) -> Any:
         if not self._built or force:

src/backend/langflow/graph/vertex/types.py

@@ -226,7 +226,12 @@ class PromptVertex(Vertex):
         # so the prompt format doesn't break
         artifacts.pop("handle_keys", None)
         try:
-            template = self._built_object.template
+            if not hasattr(self._built_object, "template") and hasattr(
+                self._built_object, "prompt"
+            ):
+                template = self._built_object.prompt.template
+            else:
+                template = self._built_object.template
             for key, value in artifacts.items():
                 if value:
                     replace_key = "{" + key + "}"

src/backend/langflow/interface/custom/constants.py

@@ -8,10 +8,13 @@ from langchain.text_splitter import TextSplitter
 from langchain.tools import Tool
 from langchain.vectorstores.base import VectorStore
 from langchain.schema import BaseOutputParser
-
+from langchain.schema.memory import BaseMemory
+from langchain.memory.chat_memory import BaseChatMemory
+from langchain.agents.agent import AgentExecutor
 
 LANGCHAIN_BASE_TYPES = {
     "Chain": Chain,
+    "AgentExecutor": AgentExecutor,
     "Tool": Tool,
     "BaseLLM": BaseLLM,
     "PromptTemplate": PromptTemplate,
@@ -22,6 +25,8 @@ LANGCHAIN_BASE_TYPES = {
     "Embeddings": Embeddings,
     "BaseRetriever": BaseRetriever,
     "BaseOutputParser": BaseOutputParser,
+    "BaseMemory": BaseMemory,
+    "BaseChatMemory": BaseChatMemory,
 }
 
 # Langchain base types plus Python base types

src/backend/langflow/interface/custom/custom_component.py

@@ -51,8 +51,8 @@ class CustomComponent(Component, extra=Extra.allow):
 
         for type_hint in TYPE_HINT_LIST:
             if reader._is_type_hint_used_in_args(
-                "Optional", code
+                type_hint, code
-            ) and not reader._is_type_hint_imported("Optional", code):
+            ) and not reader._is_type_hint_imported(type_hint, code):
                 error_detail = {
                     "error": "Type hint Error",
                     "traceback": f"Type hint '{type_hint}' is used but not imported in the code.",

src/backend/langflow/interface/initialize/utils.py

@@ -51,7 +51,9 @@ def handle_partial_variables(prompt, format_kwargs: Dict):
     }
     # Remove handle_keys otherwise LangChain raises an error
     partial_variables.pop("handle_keys", None)
-    return prompt.partial(**partial_variables)
+    if partial_variables and hasattr(prompt, "partial"):
+        return prompt.partial(**partial_variables)
+    return prompt
 
 
 def handle_variable(params: Dict, input_variable: str, format_kwargs: Dict):

src/backend/langflow/interface/run.py

@@ -1,3 +1,4 @@
+from typing import Any, Dict, Tuple
 from langflow.services.cache.utils import memoize_dict
 from langflow.graph import Graph
 from langflow.utils.logger import logger
@@ -15,7 +16,7 @@ def build_langchain_object_with_caching(data_graph):
 
 
 @memoize_dict(maxsize=10)
-def build_sorted_vertices_with_caching(data_graph):
+def build_sorted_vertices_with_caching(data_graph) -> Tuple[Any, Dict]:
     """
     Build langchain object from data_graph.
     """

src/backend/langflow/main.py

@@ -6,7 +6,7 @@ from fastapi.responses import FileResponse
 from fastapi.staticfiles import StaticFiles
 
 from langflow.api import router
-from langflow.routers import login, users, health
+from langflow.routers import api_key, login, users, health
 
 from langflow.interface.utils import setup_llm_caching
 from langflow.services.database.utils import initialize_database
@@ -32,6 +32,7 @@ def create_app():
     )
 
     app.include_router(login.router)
+    app.include_router(api_key.router)
     app.include_router(users.router)
     app.include_router(health.router)
 

src/backend/langflow/processing/base.py

@@ -5,6 +5,7 @@ from langflow.api.v1.callback import (
 )
 from langflow.processing.process import fix_memory_inputs, format_actions
 from langflow.utils.logger import logger
+from langchain.agents.agent import AgentExecutor
 
 
 async def get_result_and_steps(langchain_object, inputs: Union[dict, str], **kwargs):
@@ -20,7 +21,8 @@ async def get_result_and_steps(langchain_object, inputs: Union[dict, str], **kwa
             # to display intermediate steps
             langchain_object.return_intermediate_steps = True
         try:
-            fix_memory_inputs(langchain_object)
+            if not isinstance(langchain_object, AgentExecutor):
+                fix_memory_inputs(langchain_object)
         except Exception as exc:
             logger.error(f"Error fixing memory inputs: {exc}")
 

src/backend/langflow/processing/process.py

@@ -85,39 +85,55 @@ def get_input_str_if_only_one_input(inputs: dict) -> Optional[str]:
     return list(inputs.values())[0] if len(inputs) == 1 else None
 
 
-def process_graph_cached(
+def get_build_result(data_graph, session_id):
-    data_graph: Dict[str, Any], inputs: Optional[dict] = None, clear_cache=False
+    # If session_id is provided, load the langchain_object from the session
-):
+    # using build_sorted_vertices_with_caching.get_result_by_session_id
-    """
+    # if it returns something different than None, return it
-    Process graph by extracting input variables and replacing ZeroShotPrompt
+    # otherwise, build the graph and return the result
-    with PromptTemplate,then run the graph and return the result and thought.
+    if session_id:
-    """
+        logger.debug(f"Loading LangChain object from session {session_id}")
-    # Load langchain object
+        result = build_sorted_vertices_with_caching.get_result_by_session_id(session_id)
+        if result is not None:
+            logger.debug("Loaded LangChain object")
+            return result
+
+    logger.debug("Building langchain object")
+    return build_sorted_vertices_with_caching(data_graph)
+
+
+def clear_caches_if_needed(clear_cache: bool):
     if clear_cache:
         build_sorted_vertices_with_caching.clear_cache()
         logger.debug("Cleared cache")
-    langchain_object, artifacts = build_sorted_vertices_with_caching(data_graph)
-    logger.debug("Loaded LangChain object")
-    if inputs is None:
-        inputs = {}
 
-    # Add artifacts to inputs
+
-    # artifacts can be documents loaded when building
+def load_langchain_object(
-    # the flow
+    data_graph: Dict[str, Any], session_id: str
-    for (
+) -> Tuple[Union[Chain, VectorStore], Dict[str, Any], str]:
-        key,
+    langchain_object, artifacts = get_build_result(data_graph, session_id)
-        value,
+    session_id = build_sorted_vertices_with_caching.hash
-    ) in artifacts.items():
+    logger.debug("Loaded LangChain object")
-        if key not in inputs or not inputs[key]:
-            inputs[key] = value
 
     if langchain_object is None:
-        # Raise user facing error
         raise ValueError(
             "There was an error loading the langchain_object. Please, check all the nodes and try again."
         )
 
-    # Generate result and thought
+    return langchain_object, artifacts, session_id
+
+
+def process_inputs(inputs: Optional[dict], artifacts: Dict[str, Any]) -> dict:
+    if inputs is None:
+        inputs = {}
+
+    for key, value in artifacts.items():
+        if key not in inputs or not inputs[key]:
+            inputs[key] = value
+
+    return inputs
+
+
+def generate_result(langchain_object: Union[Chain, VectorStore], inputs: dict):
     if isinstance(langchain_object, Chain):
         if inputs is None:
             raise ValueError("Inputs must be provided for a Chain")
@@ -130,9 +146,28 @@ def process_graph_cached(
         raise ValueError(
             f"Unknown langchain_object type: {type(langchain_object).__name__}"
         )
+
     return result
 
 
+def process_graph_cached(
+    data_graph: Dict[str, Any],
+    inputs: Optional[dict] = None,
+    clear_cache=False,
+    session_id=None,
+) -> Tuple[Any, str]:
+    clear_caches_if_needed(clear_cache)
+    # If session_id is provided, load the langchain_object from the session
+    # else build the graph and return the result and the new session_id
+    langchain_object, artifacts, session_id = load_langchain_object(
+        data_graph, session_id
+    )
+    processed_inputs = process_inputs(inputs, artifacts)
+    result = generate_result(langchain_object, processed_inputs)
+
+    return result, session_id
+
+
 def load_flow_from_json(
     flow: Union[Path, str, dict], tweaks: Optional[dict] = None, build=True
 ):

src/backend/langflow/routers/api_key.py

@@ -0,0 +1,49 @@
+from fastapi import APIRouter
+
+
+router = APIRouter(tags=["APIKey"])
+
+
+@router.get("/api_key/{user_id}")
+def get_api_key(user_id: str):
+    return {
+        "total_count": 3,
+        "user_id": user_id,
+        "api_keys": [
+            {
+                "id": "4425707e-cce4-4d1b-a54e-bd2632064657",
+                "api_key": "lf-...abcd",
+                "name": "my api_key name - 01",
+                "created_at": "2023-08-15T19:28:40.019613",
+                "last_used_at": "2023-08-16T18:38:20.875210",
+            },
+            {
+                "id": "6fb7282b-9f2e-4efe-9bda-0c3d8f899473",
+                "api_key": "lf-...abcd",
+                "name": "my api_key name - 02",
+                "created_at": "2023-08-15T19:41:30.077942",
+                "last_used_at": "2023-08-15T19:45:32.067899",
+            },
+            {
+                "id": "c55f3b32-4920-42b6-a5cd-698b4251806e",
+                "api_key": "lf-...abcd",
+                "name": "my api_key name - 03",
+                "created_at": "2023-08-15T20:29:40.577808",
+                "last_used_at": "2023-08-15T20:29:40.577816",
+            },
+        ],
+    }
+
+
+@router.post("/api_key/{user_id}")
+def create_api_key(user_id: str):
+    return {
+        "user_id": user_id,
+        "name": "my api-key 01",
+        "api_key": "lf-eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiI1YTBmODM1ZS0yMTQxLTQ2YWItYmQ4NS0yMWEzMjQ1MTE2ZDAiLCJleHAiOjE2OTIyMTUwMTN9.c_s0ZPRtjSI9yUrhi8ACIwyXf0feRLYfaeIZEbRVKQg",
+    }
+
+
+@router.delete("/api_key/{api_key_id}")
+def delete_api_key(api_key_id: str):
+    return {"detail": "API Key deleted"}

src/backend/langflow/routers/login.py

@@ -1,4 +1,3 @@
-from uuid import UUID
 from sqlalchemy.orm import Session
 from fastapi import APIRouter, Depends, HTTPException, status
 from fastapi.security import OAuth2PasswordRequestForm
@@ -38,8 +37,7 @@ async def auto_login(db: Session = Depends(get_session)):
     settings_manager = get_settings_manager()
 
     if settings_manager.settings.AUTO_LOGIN:
-        user_id = UUID("3fa85f64-5717-4562-b3fc-2c963f66afa6")
+        return create_user_longterm_token(db)
-        return create_user_longterm_token(user_id, db)
 
     raise HTTPException(
         status_code=status.HTTP_400_BAD_REQUEST,

src/backend/langflow/routers/users.py

@@ -115,14 +115,13 @@ def add_super_user_for_testing_purposes_delete_me_before_merge_into_dev(
     """
     new_user = User(
         username="superuser",
-        password="12345",
+        password=get_password_hash("12345"),
         is_active=True,
         is_superuser=True,
         last_login_at=None,
     )
 
     try:
-        new_user.password = get_password_hash(new_user.password)
         db.add(new_user)
         db.commit()
         db.refresh(new_user)

src/backend/langflow/services/cache/utils.py

@@ -30,6 +30,7 @@ def create_cache_folder(func):
 
 def memoize_dict(maxsize=128):
     cache = OrderedDict()
+    hash_to_key = {}  # Mapping from hash to cache key
 
     def decorator(func):
         @functools.wraps(func)
@@ -39,16 +40,29 @@ def memoize_dict(maxsize=128):
             if key not in cache:
                 result = func(*args, **kwargs)
                 cache[key] = result
+                hash_to_key[hashed] = key  # Store the mapping
                 if len(cache) > maxsize:
-                    cache.popitem(last=False)
+                    oldest_key = next(iter(cache))
+                    oldest_hash = oldest_key[1]
+                    del cache[oldest_key]
+                    del hash_to_key[oldest_hash]
             else:
                 result = cache[key]
+
+            wrapper.session_id = hashed  # Store hash in the wrapper
             return result
 
         def clear_cache():
             cache.clear()
+            hash_to_key.clear()
+
+        def get_result_by_session_id(session_id):
+            key = hash_to_key.get(session_id)
+            return cache.get(key) if key is not None else None
 
         wrapper.clear_cache = clear_cache  # type: ignore
+        wrapper.get_result_by_session_id = get_result_by_session_id  # type: ignore
+        wrapper.hash = None
         wrapper.cache = cache  # type: ignore
         return wrapper
 

src/backend/langflow/services/manager.py

@@ -18,7 +18,8 @@ class ServiceManager:
         """
         Registers a new factory.
         """
-        self.factories[service_factory.service_class.name] = service_factory
+        if service_factory.service_class.name not in self.factories:
+            self.factories[service_factory.service_class.name] = service_factory
 
     def get(self, service_name: ServiceType):
         """
@@ -85,3 +86,12 @@ def initialize_services():
     service_manager.register_factory(database_factory.DatabaseManagerFactory())
     service_manager.register_factory(cache_factory.CacheManagerFactory())
     service_manager.register_factory(chat_factory.ChatManagerFactory())
+
+
+def initialize_settings_manager():
+    """
+    Initialize the settings manager.
+    """
+    from langflow.services.settings import factory as settings_factory
+
+    service_manager.register_factory(settings_factory.SettingsManagerFactory())

src/backend/langflow/services/settings/base.py

@@ -1,6 +1,7 @@
 import contextlib
 import json
 import os
+from shutil import copy2
 import secrets
 from typing import Optional, List
 from pathlib import Path
@@ -9,7 +10,8 @@ import yaml
 from pydantic import BaseSettings, root_validator, validator
 from langflow.utils.logger import logger
 
-BASE_COMPONENTS_PATH = str(Path(__file__).parent / "components")
+# BASE_COMPONENTS_PATH = str(Path(__file__).parent / "components")
+BASE_COMPONENTS_PATH = str(Path(__file__).parent.parent.parent / "components")
 
 
 class Settings(BaseSettings):
@@ -30,6 +32,9 @@ class Settings(BaseSettings):
     OUTPUT_PARSERS: dict = {}
     CUSTOM_COMPONENTS: dict = {}
 
+    # Define the default LANGFLOW_DIR
+    CONFIG_DIR: Optional[str] = None
+
     DEV: bool = False
     DATABASE_URL: Optional[str] = None
     CACHE: str = "InMemoryCache"
@@ -41,12 +46,44 @@ class Settings(BaseSettings):
     ALGORITHM: str = "HS256"
     ACCESS_TOKEN_EXPIRE_MINUTES: int = 60
     REFRESH_TOKEN_EXPIRE_MINUTES: int = 70
+
+    # API Key to execute /process endpoint
+    API_KEY_SECRET_KEY: Optional[
+        str
+    ] = "b82818e0ad4ff76615c5721ee21004b07d84cd9b87ba4d9cb42374da134b841a"
+    API_KEY_ALGORITHM: str = "HS256"
+
     # If AUTO_LOGIN = True
     # > The application does not request login and logs in automatically as a super user.
     AUTO_LOGIN: bool = True
+    FIRST_SUPERUSER: str = "langflow"
+    FIRST_SUPERUSER_PASSWORD: str = "langflow"
+
+    @validator("CONFIG_DIR", pre=True, allow_reuse=True)
+    def set_langflow_dir(cls, value):
+        if not value:
+            import appdirs
+
+            # Define the app name and author
+            app_name = "langflow"
+            app_author = "logspace"
+
+            # Get the cache directory for the application
+            cache_dir = appdirs.user_cache_dir(app_name, app_author)
+
+            # Create a .langflow directory inside the cache directory
+            value = Path(cache_dir)
+            value.mkdir(parents=True, exist_ok=True)
+
+        if isinstance(value, str):
+            value = Path(value)
+        if not value.exists():
+            value.mkdir(parents=True, exist_ok=True)
+
+        return str(value)
 
     @validator("DATABASE_URL", pre=True)
-    def set_database_url(cls, value):
+    def set_database_url(cls, value, values):
         if not value:
             logger.debug(
                 "No database_url provided, trying LANGFLOW_DATABASE_URL env variable"
@@ -56,7 +93,28 @@ class Settings(BaseSettings):
                 logger.debug("Using LANGFLOW_DATABASE_URL env variable.")
             else:
                 logger.debug("No DATABASE_URL env variable, using sqlite database")
-                value = "sqlite:///./langflow.db"
+                # Originally, we used sqlite:///./langflow.db
+                # so we need to migrate to the new format
+                # if there is a database in that location
+                if not values["CONFIG_DIR"]:
+                    raise ValueError(
+                        "CONFIG_DIR not set, please set it or provide a DATABASE_URL"
+                    )
+
+                new_path = f"{values['CONFIG_DIR']}/langflow.db"
+                if Path("./langflow.db").exists():
+                    if Path(new_path).exists():
+                        logger.debug(f"Database already exists at {new_path}, using it")
+                    else:
+                        try:
+                            logger.debug("Copying existing database to new location")
+                            copy2("./langflow.db", new_path)
+                            logger.debug(f"Copied existing database to {new_path}")
+                        except Exception:
+                            logger.error("Failed to copy database, using default path")
+                            new_path = "./langflow.db"
+
+                value = f"sqlite:///{new_path}"
 
         return value
 
@@ -139,12 +197,17 @@ class Settings(BaseSettings):
                     value = json.loads(str(value))
                 if isinstance(value, list):
                     for item in value:
+                        if isinstance(item, Path):
+                            item = str(item)
                         if item not in getattr(self, key):
                             getattr(self, key).append(item)
                     logger.debug(f"Extended {key}")
                 else:
-                    getattr(self, key).append(value)
+                    if isinstance(value, Path):
-                    logger.debug(f"Appended {key}")
+                        value = str(value)
+                    if value not in getattr(self, key):
+                        getattr(self, key).append(value)
+                        logger.debug(f"Appended {key}")
 
             else:
                 setattr(self, key, value)

src/frontend/package.json

@@ -40,6 +40,7 @@
     "esbuild": "^0.17.18",
     "lodash": "^4.17.21",
     "lucide-react": "^0.233.0",
+    "moment": "^2.29.4",
     "react": "^18.2.0",
     "react-ace": "^10.1.0",
     "react-cookie": "^4.1.1",
@@ -71,7 +72,8 @@
     "start": "vite",
     "build": "vite build",
     "serve": "vite preview",
-    "format": "npx prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\""
+    "format": "npx prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\"",
+    "type-check": "tsc --noEmit --pretty --project tsconfig.json && vite"
   },
   "eslintConfig": {
     "extends": [

src/frontend/src/App.tsx

@@ -1,6 +1,6 @@
 import _ from "lodash";
 import { useContext, useEffect, useState } from "react";
-import { useLocation } from "react-router-dom";
+import { useLocation, useNavigate } from "react-router-dom";
 import "reactflow/dist/style.css";
 import "./App.css";
 
@@ -9,10 +9,12 @@ import ErrorAlert from "./alerts/error";
 import NoticeAlert from "./alerts/notice";
 import SuccessAlert from "./alerts/success";
 import CrashErrorComponent from "./components/CrashErrorComponent";
-import Header from "./components/headerComponent";
+import LoadingComponent from "./components/loadingComponent";
 import { alertContext } from "./contexts/alertContext";
+import { AuthContext } from "./contexts/authContext";
 import { locationContext } from "./contexts/locationContext";
 import { TabsContext } from "./contexts/tabsContext";
+import { autoLogin, getLoggedUser } from "./controllers/API";
 import Router from "./routes";
 
 export default function App() {
@@ -25,6 +27,7 @@ export default function App() {
     setIsStackedOpen(true);
   }, [location.pathname, setCurrent, setIsStackedOpen, setShowSideBar]);
   const { hardReset } = useContext(TabsContext);
+
   const {
     errorData,
     errorOpen,
@@ -35,7 +38,11 @@ export default function App() {
     successData,
     successOpen,
     setSuccessOpen,
+    setErrorData,
+    loading,
+    setLoading
   } = useContext(alertContext);
+  const navigate = useNavigate();
 
   // Initialize state variable for the list of alerts
   const [alertsList, setAlertsList] = useState<
@@ -49,6 +56,7 @@ export default function App() {
   const isLoginPage = location.pathname.includes("login");
   const isAdminPage = location.pathname.includes("admin");
   const isSignUpPage = location.pathname.includes("signup");
+  const isLocalHost = window.location.href.includes("localhost");
 
   // Use effect hook to update alertsList when a new alert is added
   useEffect(() => {
@@ -125,6 +133,37 @@ export default function App() {
     );
   };
 
+  //this function is to get the user logged in when the page is refreshed
+  const { setUserData, getAuthentication, login, setAutoLogin, logout } =
+    useContext(AuthContext);
+
+  useEffect(() => {
+    setTimeout(() => {
+      autoLogin().then((user) => {
+        if(user && user['access_token']){
+          user['refresh_token'] = "auto";
+          login(user['access_token'], user['refresh_token']);
+          setUserData(user);
+          setAutoLogin(true);
+          setLoading(false);
+        }
+      }).catch((error) => {
+        setAutoLogin(false);
+        if (getAuthentication() && !isLoginPage) {
+          getLoggedUser()
+            .then((user) => {
+              setUserData(user);
+              setLoading(false);
+            })
+            .catch((error) => {});
+        }
+        else{
+          setLoading(false);
+        }
+      });
+    }, 500);
+  }, []);
+
   return (
     //need parent component with width and height
     <div className="flex h-full flex-col">
@@ -137,8 +176,15 @@ export default function App() {
         }}
         FallbackComponent={CrashErrorComponent}
       >
-        {!isLoginPage && !isSignUpPage && <Header />}
+        {loading ? (
-        <Router />
+          <div className="loading-page-panel">
+            <LoadingComponent remSize={50} />
+          </div>
+        ) : (
+          <>
+            <Router />
+          </>
+        )}
       </ErrorBoundary>
       <div></div>
       <div className="app-div" style={{ zIndex: 999 }}>

src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx

@@ -111,6 +111,7 @@ export default function ParameterComponent({
     let groupedObj = groupByFamily(myData, tooltipTitle!, left, flow!);
 
     if (groupedObj && groupedObj.length > 0) {
+      //@ts-ignore
       //@ts-ignore
       refHtml.current = groupedObj.map((item, index) => {
         const Icon: any =

src/frontend/src/CustomNodes/GenericNode/index.tsx

@@ -8,6 +8,7 @@ import { useSSE } from "../../contexts/SSEContext";
 import { TabsContext } from "../../contexts/tabsContext";
 import { typesContext } from "../../contexts/typesContext";
 import NodeToolbarComponent from "../../pages/FlowPage/components/nodeToolbarComponent";
+import { validationStatusType } from "../../types/components";
 import { NodeDataType } from "../../types/flow";
 import { cleanEdges } from "../../utils/reactflowUtils";
 import { nodeColors, nodeIconsLucide } from "../../utils/styleUtils";
@@ -20,13 +21,14 @@ export default function GenericNode({
 }: {
   data: NodeDataType;
   selected: boolean;
-}) {
+}): JSX.Element {
   const [data, setData] = useState(olddata);
   const { updateFlow, flows, tabId } = useContext(TabsContext);
   const updateNodeInternals = useUpdateNodeInternals();
   const { types, deleteNode, reactFlowInstance } = useContext(typesContext);
   const name = nodeIconsLucide[data.type] ? data.type : types[data.type];
-  const [validationStatus, setValidationStatus] = useState(null);
+  const [validationStatus, setValidationStatus] =
+    useState<validationStatusType | null>(null);
   // State for outline color
   const { sseData, isBuilding } = useSSE();
   useEffect(() => {
@@ -41,7 +43,7 @@ export default function GenericNode({
           nodes: flow.data.nodes,
         },
         updateEdge: (edge) => {
-          flow.data.edges = edge;
+          flow.data!.edges = edge;
           reactFlowInstance.setEdges(edge);
           updateNodeInternals(data.id);
         },
@@ -77,7 +79,7 @@ export default function GenericNode({
           "generic-node-div"
         )}
       >
-        {data.node.beta && (
+        {data.node?.beta && (
           <div className="beta-badge-wrapper">
             <div className="beta-badge-content">BETA</div>
           </div>
@@ -90,9 +92,9 @@ export default function GenericNode({
               iconColor={`${nodeColors[types[data.type]]}`}
             />
             <div className="generic-node-tooltip-div">
-              <ShadTooltip content={data.node.display_name}>
+              <ShadTooltip content={data.node?.display_name}>
                 <div className="generic-node-tooltip-div text-primary">
-                  {data.node.display_name}
+                  {data.node?.display_name}
                 </div>
               </ShadTooltip>
             </div>
@@ -117,7 +119,9 @@ export default function GenericNode({
                       {typeof validationStatus.params === "string"
                         ? validationStatus.params
                             .split("\n")
-                            .map((line, index) => <div key={index}>{line}</div>)
+                            .map((line: string, index: number) => (
+                              <div key={index}>{line}</div>
+                            ))
                         : ""}
                     </div>
                   )
@@ -155,20 +159,20 @@ export default function GenericNode({
         </div>
 
         <div className="generic-node-desc">
-          <div className="generic-node-desc-text">{data.node.description}</div>
+          <div className="generic-node-desc-text">{data.node?.description}</div>
 
           <>
-            {Object.keys(data.node.template)
+            {Object.keys(data.node!.template)
               .filter((templateField) => templateField.charAt(0) !== "_")
               .map((templateField: string, idx) => (
                 <div key={idx}>
-                  {data.node.template[templateField].show &&
+                  {data.node!.template[templateField].show &&
-                  !data.node.template[templateField].advanced ? (
+                  !data.node!.template[templateField].advanced ? (
                     <ParameterComponent
                       key={
-                        (data.node.template[templateField].input_types?.join(
+                        (data.node!.template[templateField].input_types?.join(
                           ";"
-                        ) ?? data.node.template[templateField].type) +
+                        ) ?? data.node!.template[templateField].type) +
                         "|" +
                         templateField +
                         "|" +
@@ -178,39 +182,39 @@ export default function GenericNode({
                       setData={setData}
                       color={
                         nodeColors[
-                          types[data.node.template[templateField].type]
+                          types[data.node?.template[templateField].type!]
                         ] ??
-                        nodeColors[data.node.template[templateField].type] ??
+                        nodeColors[data.node?.template[templateField].type!] ??
                         nodeColors.unknown
                       }
                       title={
-                        data.node.template[templateField].display_name
+                        data.node?.template[templateField].display_name
                           ? data.node.template[templateField].display_name
-                          : data.node.template[templateField].name
+                          : data.node?.template[templateField].name
                           ? toTitleCase(data.node.template[templateField].name)
                           : toTitleCase(templateField)
                       }
-                      info={data.node.template[templateField].info}
+                      info={data.node?.template[templateField].info}
                       name={templateField}
                       tooltipTitle={
-                        data.node.template[templateField].input_types?.join(
+                        data.node?.template[templateField].input_types?.join(
                           "\n"
-                        ) ?? data.node.template[templateField].type
+                        ) ?? data.node?.template[templateField].type
                       }
-                      required={data.node.template[templateField].required}
+                      required={data.node?.template[templateField].required}
                       id={
-                        (data.node.template[templateField].input_types?.join(
+                        (data.node?.template[templateField].input_types?.join(
                           ";"
-                        ) ?? data.node.template[templateField].type) +
+                        ) ?? data.node?.template[templateField].type) +
                         "|" +
                         templateField +
                         "|" +
                         data.id
                       }
                       left={true}
-                      type={data.node.template[templateField].type}
+                      type={data.node?.template[templateField].type}
                       optionalHandle={
-                        data.node.template[templateField].input_types
+                        data.node?.template[templateField].input_types
                       }
                     />
                   ) : (
@@ -220,25 +224,25 @@ export default function GenericNode({
               ))}
             <div
               className={classNames(
-                Object.keys(data.node.template).length < 1 ? "hidden" : "",
+                Object.keys(data.node!.template).length < 1 ? "hidden" : "",
                 "flex-max-width justify-center"
               )}
             >
               {" "}
             </div>
             <ParameterComponent
-              key={[data.type, data.id, ...data.node.base_classes].join("|")}
+              key={[data.type, data.id, ...data.node!.base_classes].join("|")}
               data={data}
               setData={setData}
               color={nodeColors[types[data.type]] ?? nodeColors.unknown}
               title={
-                data.node.output_types && data.node.output_types.length > 0
+                data.node?.output_types && data.node.output_types.length > 0
                   ? data.node.output_types.join("|")
                   : data.type
               }
-              tooltipTitle={data.node.base_classes.join("\n")}
+              tooltipTitle={data.node?.base_classes.join("\n")}
-              id={[data.type, data.id, ...data.node.base_classes].join("|")}
+              id={[data.type, data.id, ...data.node!.base_classes].join("|")}
-              type={data.node.base_classes.join("|")}
+              type={data.node?.base_classes.join("|")}
               left={false}
             />
           </>

src/frontend/src/alerts/alertDropDown/components/singleAlertComponent/index.tsx

@@ -7,7 +7,7 @@ import { SingleAlertComponentType } from "../../../../types/alerts";
 export default function SingleAlert({
   dropItem,
   removeAlert,
-}: SingleAlertComponentType) {
+}: SingleAlertComponentType): JSX.Element {
   const [show, setShow] = useState(true);
   const type = dropItem.type;
 

src/frontend/src/alerts/alertDropDown/index.tsx

@@ -9,7 +9,9 @@ import { alertContext } from "../../contexts/alertContext";
 import { AlertDropdownType } from "../../types/alerts";
 import SingleAlert from "./components/singleAlertComponent";
 
-export default function AlertDropdown({ children }: AlertDropdownType) {
+export default function AlertDropdown({
+  children,
+}: AlertDropdownType): JSX.Element {
   const {
     notificationList,
     clearNotificationList,

src/frontend/src/alerts/error/index.tsx

@@ -8,7 +8,7 @@ export default function ErrorAlert({
   list = [],
   id,
   removeAlert,
-}: ErrorAlertType) {
+}: ErrorAlertType): JSX.Element {
   const [show, setShow] = useState(true);
   useEffect(() => {
     if (show) {

src/frontend/src/alerts/hooks/useOnClickOutside/index.ts

@@ -2,7 +2,7 @@ import { useEffect } from "react";
 
 export function useOnClickOutside(ref, handler) {
   useEffect(() => {
-    const listener = (event) => {
+    const listener = (event: Event) => {
       // Do nothing if clicking ref's element or its children
       if (!ref.current || ref.current.contains(event.target)) {
         return;

src/frontend/src/alerts/notice/index.tsx

@@ -9,7 +9,7 @@ export default function NoticeAlert({
   link = "",
   id,
   removeAlert,
-}: NoticeAlertType) {
+}: NoticeAlertType): JSX.Element {
   const [show, setShow] = useState(true);
   useEffect(() => {
     if (show) {

src/frontend/src/alerts/success/index.tsx

@@ -7,7 +7,7 @@ export default function SuccessAlert({
   title,
   id,
   removeAlert,
-}: SuccessAlertType) {
+}: SuccessAlertType): JSX.Element {
   const [show, setShow] = useState(true);
   useEffect(() => {
     if (show) {

src/frontend/src/components/AccordionComponent/index.tsx

@@ -12,12 +12,12 @@ export default function AccordionComponent({
   children,
   open = [],
   keyValue,
-}: AccordionComponentType) {
+}: AccordionComponentType): JSX.Element {
   const [value, setValue] = useState(
     open.length === 0 ? "" : getOpenAccordion()
   );
 
-  function getOpenAccordion() {
+  function getOpenAccordion(): string {
     let value = "";
     open.forEach((el) => {
       if (el == trigger) {
@@ -28,10 +28,17 @@ export default function AccordionComponent({
     return value;
   }
 
-  function handleClick() {
+  function handleClick(): void {
-    value === "" ? setValue(keyValue) : setValue("");
+    value === "" ? setValue(keyValue!) : setValue("");
   }
 
+  const handleKeyDown = (event) => {
+    if (event.key === "Backspace") {
+      event.preventDefault();
+      event.stopPropagation();
+    }
+  };
+
   return (
     <>
       <Accordion
@@ -39,8 +46,9 @@ export default function AccordionComponent({
         className="w-full"
         value={value}
         onValueChange={setValue}
+        onKeyDown={handleKeyDown}
       >
-        <AccordionItem value={keyValue} className="border-b">
+        <AccordionItem value={keyValue!} className="border-b">
           <AccordionTrigger
             onClick={() => {
               handleClick();

src/frontend/src/components/CrashErrorComponent/index.tsx

@@ -1,4 +1,9 @@
-export default function CrashErrorComponent({ error, resetErrorBoundary }) {
+import { crashComponentPropsType } from "../../types/components";
+
+export default function CrashErrorComponent({
+  error,
+  resetErrorBoundary,
+}: crashComponentPropsType): JSX.Element {
   return (
     <div className="fixed left-0 top-0 z-50 flex h-full w-full items-center justify-center bg-foreground bg-opacity-50">
       <div className="flex h-1/3 min-h-fit max-w-4xl flex-col justify-evenly rounded-lg bg-background p-8 text-start shadow-lg">

src/frontend/src/components/EditFlowSettingsComponent/index.tsx

@@ -3,19 +3,8 @@ import { Input } from "../../components/ui/input";
 import { Label } from "../../components/ui/label";
 import { Textarea } from "../../components/ui/textarea";
 import { readFlowsFromDatabase } from "../../controllers/API";
-
+import { InputProps } from "../../types/components";
-type InputProps = {
+import { FlowType } from "../../types/flow";
-  name: string | null;
-  description: string | null;
-  maxLength?: number;
-  flows: Array<{ id: string; name: string; description: string }>;
-  tabId: string;
-  invalidName: boolean;
-  setInvalidName: (invalidName: boolean) => void;
-  setName: (name: string) => void;
-  setDescription: (description: string) => void;
-  updateFlow: (flow: { id: string; name: string }) => void;
-};
 
 export const EditFlowSettings: React.FC<InputProps> = ({
   name,
@@ -27,13 +16,12 @@ export const EditFlowSettings: React.FC<InputProps> = ({
   tabId,
   setName,
   setDescription,
-  updateFlow,
+}: InputProps): JSX.Element => {
-}) => {
   const [isMaxLength, setIsMaxLength] = useState(false);
-  const nameLists = useRef([]);
+  const nameLists = useRef<string[]>([]);
   useEffect(() => {
     readFlowsFromDatabase().then((flows) => {
-      flows.forEach((flow) => {
+      flows.forEach((flow: FlowType) => {
         nameLists.current.push(flow.name);
       });
     });
@@ -46,21 +34,34 @@ export const EditFlowSettings: React.FC<InputProps> = ({
     } else {
       setIsMaxLength(false);
     }
+    if (invalidName !== undefined) {
+      if (!nameLists.current.includes(value)) {
+        setInvalidName(false);
+      } else {
+        setInvalidName(true);
+      }
+    }
     if (!nameLists.current.includes(value)) {
-      setInvalidName(false);
+      setInvalidName!(false);
     } else {
-      setInvalidName(true);
+      setInvalidName!(true);
     }
     setName(value);
+    setCurrentName(value);
   };
 
-  const [desc, setDesc] = useState(
+  const [currentName, setCurrentName] = useState(name);
-    flows.find((flow) => flow.id === tabId).description
+
-  );
+  const [currentDescription, setCurrentDescription] = useState(description);
+
+  useEffect(() => {
+    setCurrentName(name);
+    setCurrentDescription(description);
+  }, [name, description]);
 
   const handleDescriptionChange = (event: ChangeEvent<HTMLTextAreaElement>) => {
-    flows.find((flow) => flow.id === tabId).description = event.target.value;
+    flows.find((f) => f.id === tabId).description = event.target.value;
-    setDesc(flows.find((flow) => flow.id === tabId).description);
+    setCurrentDescription(flows.find((f) => f.id === tabId).description);
     setDescription(event.target.value);
   };
 
@@ -81,7 +82,7 @@ export const EditFlowSettings: React.FC<InputProps> = ({
           onChange={handleNameChange}
           type="text"
           name="name"
-          value={name ?? ""}
+          value={currentName ?? ""}
           placeholder="File name"
           id="name"
           maxLength={maxLength}
@@ -96,7 +97,7 @@ export const EditFlowSettings: React.FC<InputProps> = ({
           name="description"
           id="description"
           onChange={handleDescriptionChange}
-          value={desc}
+          value={currentDescription}
           placeholder="Flow description"
           className="mt-2 max-h-[100px] font-normal"
           rows={3}

src/frontend/src/components/PaginatorComponent/index.tsx

@@ -12,17 +12,17 @@ import { Button } from "../ui/button";
 
 export default function PaginatorComponent({
   pageSize = 10,
-  pageIndex = 1,
+  pageIndex = 0,
-  rowsCount = [10, 20, 30],
+  rowsCount = [10, 20, 50, 100],
   totalRowsCount = 0,
   paginate,
 }: PaginatorComponentType) {
   const [size, setPageSize] = useState(pageSize);
   const [index, setPageIndex] = useState(pageIndex);
-
   const [maxIndex, setMaxPageIndex] = useState(
     Math.ceil(totalRowsCount / pageSize)
   );
+  const [currentPage, setCurrentPage] = useState(1);
 
   return (
     <>
@@ -35,7 +35,7 @@ export default function PaginatorComponent({
               onValueChange={(pageSize: string) => {
                 setPageSize(Number(pageSize));
                 setMaxPageIndex(Math.ceil(totalRowsCount / Number(pageSize)));
-                paginate(Number(pageSize), index);
+                paginate(Number(pageSize), 0);
               }}
             >
               <SelectTrigger className="w-[100px]">
@@ -51,30 +51,30 @@ export default function PaginatorComponent({
             </Select>
           </div>
           <div className="flex w-[100px] items-center justify-center text-sm font-medium">
-            Page {index} of {maxIndex}
+            Page {currentPage} of {maxIndex}
           </div>
           <div className="flex items-center space-x-2">
             <Button
+              disabled={index <= 0}
               variant="outline"
               className="hidden h-8 w-8 p-0 lg:flex"
               onClick={() => {
-                setPageIndex(1);
+                setPageIndex(0);
-                paginate(size, 1);
+                setCurrentPage(1);
+                paginate(size, 0);
               }}
             >
               <span className="sr-only">Go to first page</span>
               <IconComponent name="ChevronsLeft" className="h-4 w-4" />
             </Button>
             <Button
+              disabled={index <= 0}
               onClick={() => {
-                if (index <= 1) {
+                if (index > 0) {
-                  setPageIndex(1);
+                  const pgIndex = size - index;
-                  paginate(size, 1);
+                  setCurrentPage(currentPage - 1);
-                } else {
+                  setPageIndex(pgIndex);
-                  {
+                  paginate(size, pgIndex);
-                    setPageIndex(index - 1);
-                    paginate(size, index - 1);
-                  }
                 }
               }}
               variant="outline"
@@ -84,14 +84,12 @@ export default function PaginatorComponent({
               <IconComponent name="ChevronLeft" className="h-4 w-4" />
             </Button>
             <Button
+              disabled={currentPage === maxIndex}
               onClick={() => {
-                if (index >= maxIndex) {
+                const pgIndex = size + index;
-                  setPageIndex(maxIndex);
+                setPageIndex(pgIndex);
-                  paginate(size, maxIndex);
+                setCurrentPage(currentPage + 1);
-                } else {
+                paginate(size, pgIndex);
-                  setPageIndex(index + 1);
-                  paginate(size, index + 1);
-                }
               }}
               variant="outline"
               className="h-8 w-8 p-0"
@@ -100,11 +98,13 @@ export default function PaginatorComponent({
               <IconComponent name="ChevronRight" className="h-4 w-4" />
             </Button>
             <Button
+              disabled={currentPage === maxIndex}
               variant="outline"
               className="hidden h-8 w-8 p-0 lg:flex"
               onClick={() => {
-                setPageIndex(maxIndex);
+                setPageIndex(maxIndex - 1);
-                paginate(size, maxIndex);
+                setCurrentPage(maxIndex);
+                paginate(size, size);
               }}
             >
               <span className="sr-only">Go to last page</span>

src/frontend/src/components/RadialProgress/index.tsx

@@ -3,16 +3,16 @@ import { RadialProgressType } from "../../types/components";
 export default function RadialProgressComponent({
   value,
   color,
-}: RadialProgressType) {
+}: RadialProgressType): JSX.Element {
   const style = {
-    "--value": value * 100,
+    "--value": value! * 100,
     "--size": "1.5rem",
     "--thickness": "2px",
   } as React.CSSProperties;
 
   return (
     <div className={"radial-progress " + color} style={style}>
-      <strong className="text-[8px]">{Math.trunc(value * 100)}%</strong>
+      <strong className="text-[8px]">{Math.trunc(value! * 100)}%</strong>
     </div>
   );
 }

src/frontend/src/components/ReactTooltipComponent/index.tsx

@@ -3,20 +3,9 @@ import type { FC } from "react";
 import React from "react";
 import { Tooltip as ReactTooltip } from "react-tooltip";
 import "react-tooltip/dist/react-tooltip.css";
+import { TooltipProps } from "../../types/components";
 import { classNames } from "../../utils/utils";
 
-type TooltipProps = {
-  selector: string;
-  content?: string;
-  disabled?: boolean;
-  htmlContent?: React.ReactNode;
-  className?: string; // This should use !impornant to override the default styles eg: '!bg-white'
-  position?: "top" | "right" | "bottom" | "left";
-  clickable?: boolean;
-  children: React.ReactNode;
-  delayShow?: number;
-};
-
 const TooltipReact: FC<TooltipProps> = ({
   selector,
   content,
@@ -27,7 +16,7 @@ const TooltipReact: FC<TooltipProps> = ({
   className,
   clickable,
   delayShow,
-}) => {
+}: TooltipProps): JSX.Element => {
   return (
     <div className="tooltip-container">
       {React.cloneElement(children as React.ReactElement, {
@@ -38,7 +27,7 @@ const TooltipReact: FC<TooltipProps> = ({
         content={content}
         className={classNames(
           "z-[9999] !bg-white !text-xs !font-normal !text-foreground !opacity-100 !shadow-md",
-          className
+          className!
         )}
         place={position}
         clickable={clickable}

src/frontend/src/components/SanitizedHTMLWrapper/index.tsx

@@ -1,11 +1,12 @@
 import DOMPurify from "dompurify";
+import { SanitizedHTMLWrapperType } from "../../types/components";
 
 const SanitizedHTMLWrapper = ({
   className,
   content,
   onClick,
   suppressWarning = false,
-}) => {
+}: SanitizedHTMLWrapperType): JSX.Element => {
   const sanitizedHTML = DOMPurify.sanitize(content);
 
   return (

src/frontend/src/components/ShadTooltipComponent/index.tsx

@@ -8,7 +8,7 @@ export default function ShadTooltip({
   children,
   styleClasses,
   delayDuration = 500,
-}: ShadToolTipType) {
+}: ShadToolTipType): JSX.Element {
   return (
     <Tooltip delayDuration={delayDuration}>
       <TooltipTrigger asChild={asChild}>{children}</TooltipTrigger>

src/frontend/src/components/TooltipComponent/index.tsx

@@ -5,7 +5,7 @@ export default function Tooltip({
   children,
   title,
   placement,
-}: TooltipComponentType) {
+}: TooltipComponentType): JSX.Element {
   return (
     <LightTooltip placement={placement} title={title} arrow>
       {children}

src/frontend/src/components/authAdminGuard/index.tsx

@@ -0,0 +1,24 @@
+import { useContext, useEffect } from "react";
+import { Navigate } from "react-router-dom";
+import { AuthContext } from "../../contexts/authContext";
+
+export const ProtectedAdminRoute = ({ children }) => {
+  const { isAdmin, isAuthenticated, logout, getAuthentication, userData, autoLogin } =
+    useContext(AuthContext);
+  useEffect(() => {
+    if (!isAuthenticated && !getAuthentication()) {
+      window.location.replace("/login");
+      logout();
+    }
+  }, [isAuthenticated, getAuthentication, logout, userData]);
+
+  if (!isAuthenticated && !getAuthentication()) {
+    return <Navigate to="/login" replace />;
+  }
+
+  if (userData && !isAdmin || autoLogin) {
+    return <Navigate to="/" replace />;
+  }
+
+  return children;
+};

src/frontend/src/components/authGuard/index.tsx

@@ -0,0 +1,14 @@
+import { useContext } from "react";
+import { Navigate } from "react-router-dom";
+import { AuthContext } from "../../contexts/authContext";
+
+export const ProtectedRoute = ({ children }) => {
+  const { isAuthenticated, logout, getAuthentication } =
+    useContext(AuthContext);
+  if (!isAuthenticated && !getAuthentication()) {
+    logout();
+    return <Navigate to="/login" replace />;
+  }
+
+  return children;
+};

src/frontend/src/components/authLoginGuard/index.tsx

@@ -0,0 +1,19 @@
+import { useContext } from "react";
+import { Navigate } from "react-router-dom";
+import { AuthContext } from "../../contexts/authContext";
+
+export const ProtectedLoginRoute = ({ children }) => {
+  const { getAuthentication, autoLogin } = useContext(AuthContext);
+
+  if (autoLogin === true) {
+    window.location.replace("/");
+    return <Navigate to="/" replace />;
+  }
+
+  if (getAuthentication()) {
+    window.location.replace("/");
+    return <Navigate to="/" replace />;
+  }
+
+  return children;
+};

src/frontend/src/components/cardComponent/index.tsx

@@ -1,6 +1,6 @@
 import { useContext } from "react";
 import { TabsContext } from "../../contexts/tabsContext";
-import { FlowType } from "../../types/flow";
+import { cardComponentPropsType } from "../../types/components";
 import { gradients } from "../../utils/styleUtils";
 import IconComponent from "../genericIconComponent";
 import {
@@ -16,12 +16,7 @@ export const CardComponent = ({
   id,
   onDelete,
   button,
-}: {
+}: cardComponentPropsType): JSX.Element => {
-  flow: FlowType;
-  id: string;
-  onDelete?: () => void;
-  button?: JSX.Element;
-}) => {
   const { removeFlow } = useContext(TabsContext);
 
   return (

src/frontend/src/components/catchAllRoutes/index.tsx

@@ -0,0 +1,13 @@
+import { useEffect } from "react";
+import { useNavigate } from "react-router-dom";
+
+export const CatchAllRoute = () => {
+  const navigate = useNavigate();
+
+  // Redirect to the root ("/") when the catch-all route is matched
+  useEffect(() => {
+    navigate("/");
+  }, []);
+
+  return null;
+};

src/frontend/src/components/chatComponent/buildTrigger/index.tsx

@@ -8,6 +8,8 @@ import { postBuildInit } from "../../../controllers/API";
 import { FlowType } from "../../../types/flow";
 
 import { TabsContext } from "../../../contexts/tabsContext";
+import { parsedDataType } from "../../../types/components";
+import { TabsState } from "../../../types/tabs";
 import { validateNodes } from "../../../utils/reactflowUtils";
 import RadialProgressComponent from "../../RadialProgress";
 import IconComponent from "../../genericIconComponent";
@@ -21,7 +23,7 @@ export default function BuildTrigger({
   flow: FlowType;
   setIsBuilt: any;
   isBuilt: boolean;
-}) {
+}): JSX.Element {
   const { updateSSEData, isBuilding, setIsBuilding, sseData } = useSSE();
   const { reactFlowInstance } = useContext(typesContext);
   const { setTabsState } = useContext(TabsContext);
@@ -30,12 +32,12 @@ export default function BuildTrigger({
   const eventClick = isBuilding ? "pointer-events-none" : "";
   const [progress, setProgress] = useState(0);
 
-  async function handleBuild(flow: FlowType) {
+  async function handleBuild(flow: FlowType): Promise<void> {
     try {
       if (isBuilding) {
         return;
       }
-      const errors = validateNodes(reactFlowInstance);
+      const errors = validateNodes(reactFlowInstance!);
       if (errors.length > 0) {
         setErrorData({
           title: "Oops! Looks like you missed something",
@@ -69,7 +71,7 @@ export default function BuildTrigger({
     const response = await postBuildInit(flow);
     const { flowId } = response.data;
     // Step 2: Use the session ID to establish an SSE connection using EventSource
-    let validationResults = [];
+    let validationResults: boolean[] = [];
     let finished = false;
     const apiUrl = `/api/v1/build/stream/${flowId}`;
     const eventSource = new EventSource(apiUrl);
@@ -91,7 +93,8 @@ export default function BuildTrigger({
         // If the event is a log, log it
         setSuccessData({ title: parsedData.log });
       } else if (parsedData.input_keys !== undefined) {
-        setTabsState((old) => {
+        //@ts-ignore
+        setTabsState((old: TabsState) => {
           return {
             ...old,
             [flowId]: {
@@ -120,13 +123,13 @@ export default function BuildTrigger({
     // Step 3: Wait for the stream to finish
     while (!finished) {
       await new Promise((resolve) => setTimeout(resolve, 100));
-      finished = validationResults.length === flow.data.nodes.length;
+      finished = validationResults.length === flow.data!.nodes.length;
     }
     // Step 4: Return true if all nodes are valid, false otherwise
     return validationResults.every((result) => result);
   }
 
-  function processStreamResult(parsedData) {
+  function processStreamResult(parsedData: parsedDataType) {
     // Process each chunk of data here
     // Parse the chunk and update the context
     try {

src/frontend/src/components/chatComponent/chatTrigger/index.tsx

@@ -8,12 +8,18 @@ import {
   FLOW_NOT_BUILT_TITLE,
 } from "../../../constants/constants";
 import { alertContext } from "../../../contexts/alertContext";
+import { chatTriggerPropType } from "../../../types/components";
 import IconComponent from "../../genericIconComponent";
 
-export default function ChatTrigger({ open, setOpen, isBuilt, canOpen }) {
+export default function ChatTrigger({
+  open,
+  setOpen,
+  isBuilt,
+  canOpen,
+}: chatTriggerPropType): JSX.Element {
   const { setErrorData } = useContext(alertContext);
 
-  function handleClick() {
+  function handleClick(): void {
     if (isBuilt) {
       if (canOpen) {
         setOpen(true);

src/frontend/src/components/chatComponent/index.tsx

@@ -10,7 +10,7 @@ import { getBuildStatus } from "../../controllers/API";
 import FormModal from "../../modals/formModal";
 import { NodeType } from "../../types/flow";
 
-export default function Chat({ flow }: ChatType) {
+export default function Chat({ flow }: ChatType): JSX.Element {
   const [open, setOpen] = useState(false);
   const [canOpen, setCanOpen] = useState(false);
   const { tabsState, isBuilt, setIsBuilt } = useContext(TabsContext);
@@ -44,11 +44,11 @@ export default function Chat({ flow }: ChatType) {
   }, [flow]);
 
   const prevNodesRef = useRef<any[] | undefined>();
-  const nodes = useNodes();
+  const nodes: NodeType[] = useNodes();
   useEffect(() => {
     const prevNodes = prevNodesRef.current;
     const currentNodes = nodes.map((node: NodeType) =>
-      _.cloneDeep(node.data.node.template)
+      _.cloneDeep(node.data.node?.template)
     );
     if (
       tabsState &&

src/frontend/src/components/codeAreaComponent/index.tsx

@@ -33,7 +33,7 @@ export default function CodeAreaComponent({
         dynamic={dynamic}
         value={myValue}
         nodeClass={nodeClass}
-        setNodeClass={setNodeClass}
+        setNodeClass={setNodeClass!}
         setValue={(value: string) => {
           setMyValue(value);
           onChange(value);

src/frontend/src/components/codeTabsComponent/index.tsx

@@ -29,7 +29,7 @@ import {
   TabsTrigger,
 } from "../../components/ui/tabs";
 import { darkContext } from "../../contexts/darkContext";
-import { FlowType } from "../../types/flow/index";
+import { codeTabsPropsType } from "../../types/components";
 import { classNames } from "../../utils/utils";
 import IconComponent from "../genericIconComponent";
 
@@ -40,28 +40,15 @@ export default function CodeTabsComponent({
   setActiveTab,
   isMessage,
   tweaks,
-}: {
+}: codeTabsPropsType) {
-  flow?: FlowType;
-  tabs: any;
-  activeTab: string;
-  setActiveTab: any;
-  isMessage?: boolean;
-  tweaks?: {
-    tweak?: any;
-    tweaksList?: any;
-    buildContent?: any;
-    getValue?: any;
-    buildTweakObject?: any;
-  };
-}) {
   const [isCopied, setIsCopied] = useState<Boolean>(false);
-  const [data, setData] = useState(flow ? flow["data"]["nodes"] : null);
+  const [data, setData] = useState(flow ? flow["data"]!["nodes"] : null);
-  const [openAccordion, setOpenAccordion] = useState([]);
+  const [openAccordion, setOpenAccordion] = useState<string[]>([]);
   const { dark } = useContext(darkContext);
 
   useEffect(() => {
-    if (flow && flow["data"]["nodes"]) {
+    if (flow && flow["data"]!["nodes"]) {
-      setData(flow["data"]["nodes"]);
+      setData(flow["data"]!["nodes"]);
     }
   }, [flow]);
 
@@ -102,8 +89,8 @@ export default function CodeTabsComponent({
   };
 
   function openAccordions() {
-    let accordionsToOpen = [];
+    let accordionsToOpen: string[] = [];
-    tweaks.tweak.current.forEach((el) => {
+    tweaks?.tweak!.current.forEach((el) => {
       Object.keys(el).forEach((key) => {
         if (Object.keys(el[key]).length > 0) {
           accordionsToOpen.push(key);
@@ -205,9 +192,9 @@ export default function CodeTabsComponent({
                       : "overflow-hidden"
                   )}
                 >
-                  {data.map((node: any, index) => (
+                  {data?.map((node: any, index) => (
                     <div className="px-3" key={index}>
-                      {tweaks.tweaksList.current.includes(
+                      {tweaks?.tweaksList!.current.includes(
                         node["data"]["id"]
                       ) && (
                         <AccordionComponent
@@ -290,14 +277,14 @@ export default function CodeTabsComponent({
                                                       setData((old) => {
                                                         let newInputList =
                                                           cloneDeep(old);
-                                                        newInputList[
+                                                        newInputList![
                                                           index
                                                         ].data.node.template[
                                                           templateField
                                                         ].value = target;
                                                         return newInputList;
                                                       });
-                                                      tweaks.buildTweakObject(
+                                                      tweaks.buildTweakObject!(
                                                         node["data"]["id"],
                                                         target,
                                                         node.data.node.template[
@@ -310,7 +297,7 @@ export default function CodeTabsComponent({
                                                     templateField
                                                   ].multiline ? (
                                                   <ShadTooltip
-                                                    content={tweaks.buildContent(
+                                                    content={tweaks.buildContent!(
                                                       node.data.node.template[
                                                         templateField
                                                       ].value
@@ -339,14 +326,14 @@ export default function CodeTabsComponent({
                                                           setData((old) => {
                                                             let newInputList =
                                                               cloneDeep(old);
-                                                            newInputList[
+                                                            newInputList![
                                                               index
                                                             ].data.node.template[
                                                               templateField
                                                             ].value = target;
                                                             return newInputList;
                                                           });
-                                                          tweaks.buildTweakObject(
+                                                          tweaks.buildTweakObject!(
                                                             node["data"]["id"],
                                                             target,
                                                             node.data.node
@@ -384,14 +371,14 @@ export default function CodeTabsComponent({
                                                       setData((old) => {
                                                         let newInputList =
                                                           cloneDeep(old);
-                                                        newInputList[
+                                                        newInputList![
                                                           index
                                                         ].data.node.template[
                                                           templateField
                                                         ].value = target;
                                                         return newInputList;
                                                       });
-                                                      tweaks.buildTweakObject(
+                                                      tweaks.buildTweakObject!(
                                                         node["data"]["id"],
                                                         target,
                                                         node.data.node.template[
@@ -417,14 +404,14 @@ export default function CodeTabsComponent({
                                                     setData((old) => {
                                                       let newInputList =
                                                         cloneDeep(old);
-                                                      newInputList[
+                                                      newInputList![
                                                         index
                                                       ].data.node.template[
                                                         templateField
                                                       ].value = e;
                                                       return newInputList;
                                                     });
-                                                    tweaks.buildTweakObject(
+                                                    tweaks.buildTweakObject!(
                                                       node["data"]["id"],
                                                       e,
                                                       node.data.node.template[
@@ -440,7 +427,7 @@ export default function CodeTabsComponent({
                                                 templateField
                                               ].type === "file" ? (
                                               <ShadTooltip
-                                                content={tweaks.buildContent(
+                                                content={tweaks.buildContent!(
                                                   !node.data.node.template[
                                                     templateField
                                                   ].value ||
@@ -508,14 +495,14 @@ export default function CodeTabsComponent({
                                                     setData((old) => {
                                                       let newInputList =
                                                         cloneDeep(old);
-                                                      newInputList[
+                                                      newInputList![
                                                         index
                                                       ].data.node.template[
                                                         templateField
                                                       ].value = target;
                                                       return newInputList;
                                                     });
-                                                    tweaks.buildTweakObject(
+                                                    tweaks.buildTweakObject!(
                                                       node["data"]["id"],
                                                       target,
                                                       node.data.node.template[
@@ -544,14 +531,14 @@ export default function CodeTabsComponent({
                                                     setData((old) => {
                                                       let newInputList =
                                                         cloneDeep(old);
-                                                      newInputList[
+                                                      newInputList![
                                                         index
                                                       ].data.node.template[
                                                         templateField
                                                       ].value = target;
                                                       return newInputList;
                                                     });
-                                                    tweaks.buildTweakObject(
+                                                    tweaks.buildTweakObject!(
                                                       node["data"]["id"],
                                                       target,
                                                       node.data.node.template[
@@ -596,14 +583,14 @@ export default function CodeTabsComponent({
                                                     setData((old) => {
                                                       let newInputList =
                                                         cloneDeep(old);
-                                                      newInputList[
+                                                      newInputList![
                                                         index
                                                       ].data.node.template[
                                                         templateField
                                                       ].value = target;
                                                       return newInputList;
                                                     });
-                                                    tweaks.buildTweakObject(
+                                                    tweaks.buildTweakObject!(
                                                       node["data"]["id"],
                                                       target,
                                                       node.data.node.template[
@@ -617,7 +604,7 @@ export default function CodeTabsComponent({
                                                 templateField
                                               ].type === "prompt" ? (
                                               <ShadTooltip
-                                                content={tweaks.buildContent(
+                                                content={tweaks.buildContent!(
                                                   !node.data.node.template[
                                                     templateField
                                                   ].value ||
@@ -651,14 +638,14 @@ export default function CodeTabsComponent({
                                                       setData((old) => {
                                                         let newInputList =
                                                           cloneDeep(old);
-                                                        newInputList[
+                                                        newInputList![
                                                           index
                                                         ].data.node.template[
                                                           templateField
                                                         ].value = target;
                                                         return newInputList;
                                                       });
-                                                      tweaks.buildTweakObject(
+                                                      tweaks.buildTweakObject!(
                                                         node["data"]["id"],
                                                         target,
                                                         node.data.node.template[
@@ -673,8 +660,8 @@ export default function CodeTabsComponent({
                                                 templateField
                                               ].type === "code" ? (
                                               <ShadTooltip
-                                                content={tweaks.buildContent(
+                                                content={tweaks.buildContent!(
-                                                  tweaks.getValue(
+                                                  tweaks.getValue!(
                                                     node.data.node.template[
                                                       templateField
                                                     ].value,
@@ -706,14 +693,14 @@ export default function CodeTabsComponent({
                                                       setData((old) => {
                                                         let newInputList =
                                                           cloneDeep(old);
-                                                        newInputList[
+                                                        newInputList![
                                                           index
                                                         ].data.node.template[
                                                           templateField
                                                         ].value = target;
                                                         return newInputList;
                                                       });
-                                                      tweaks.buildTweakObject(
+                                                      tweaks.buildTweakObject!(
                                                         node["data"]["id"],
                                                         target,
                                                         node.data.node.template[
@@ -742,7 +729,7 @@ export default function CodeTabsComponent({
                         </AccordionComponent>
                       )}
 
-                      {tweaks.tweaksList.current.length === 0 && (
+                      {tweaks?.tweaksList!.current.length === 0 && (
                         <>
                           <div className="pt-3">
                             No tweaks are available for this flow.

src/frontend/src/components/dropdownComponent/index.tsx

@@ -11,7 +11,7 @@ export default function Dropdown({
   editNode = false,
   numberOfOptions = 0,
   apiModal = false,
-}: DropDownComponentType) {
+}: DropDownComponentType): JSX.Element {
   let [internalValue, setInternalValue] = useState(
     value === "" || !value ? "Choose an option" : value
   );

src/frontend/src/components/floatComponent/index.tsx

@@ -1,5 +1,6 @@
 import { useEffect } from "react";
 import { FloatComponentType } from "../../types/components";
+import { handleKeyDown } from "../../utils/reactflowUtils";
 import { Input } from "../ui/input";
 
 export default function FloatComponent({
@@ -7,7 +8,7 @@ export default function FloatComponent({
   onChange,
   disabled,
   editNode = false,
-}: FloatComponentType) {
+}: FloatComponentType): JSX.Element {
   const step = 0.1;
   const min = 0;
   const max = 1;
@@ -43,6 +44,9 @@ export default function FloatComponent({
         onChange={(event) => {
           onChange(event.target.value);
         }}
+        onKeyDown={(e) => {
+          handleKeyDown(e, value, "0");
+        }}
       />
     </div>
   );

src/frontend/src/components/genericIconComponent/index.tsx

@@ -1,17 +1,19 @@
+import { forwardRef } from "react";
 import { IconComponentProps } from "../../types/components";
 import { nodeIconsLucide } from "../../utils/styleUtils";
 
-export default function IconComponent({
+const ForwardedIconComponent = forwardRef(
-  name,
+  ({ name, className, iconColor }: IconComponentProps, ref) => {
-  className,
+    const TargetIcon = nodeIconsLucide[name] ?? nodeIconsLucide["unknown"];
-  iconColor,
+    return (
-}: IconComponentProps): JSX.Element {
+      <TargetIcon
-  const TargetIcon = nodeIconsLucide[name] ?? nodeIconsLucide["unknown"];
+        strokeWidth={1.5}
-  return (
+        className={className}
-    <TargetIcon
+        style={iconColor ? { color: iconColor } : {}}
-      strokeWidth={1.5}
+        ref={ref}
-      className={className}
+      />
-      style={{ color: iconColor }}
+    );
-    />
+  }
-  );
+);
-}
+
+export default ForwardedIconComponent;

src/frontend/src/components/headerComponent/components/menuBar/index.tsx

@@ -12,10 +12,11 @@ import { Link, useNavigate } from "react-router-dom";
 import { alertContext } from "../../../../contexts/alertContext";
 import { undoRedoContext } from "../../../../contexts/undoRedoContext";
 import FlowSettingsModal from "../../../../modals/flowSettingsModal";
+import { menuBarPropsType } from "../../../../types/components";
 import IconComponent from "../../../genericIconComponent";
 import { Button } from "../../../ui/button";
 
-export const MenuBar = ({ flows, tabId }) => {
+export const MenuBar = ({ flows, tabId }: menuBarPropsType): JSX.Element => {
   const { addFlow } = useContext(TabsContext);
   const { setErrorData } = useContext(alertContext);
   const { undo, redo } = useContext(undoRedoContext);
@@ -25,12 +26,12 @@ export const MenuBar = ({ flows, tabId }) => {
 
   function handleAddFlow() {
     try {
-      addFlow(null, true).then((id) => {
+      addFlow(undefined, true).then((id) => {
         navigate("/flow/" + id);
       });
       // saveFlowStyleInDataBase();
     } catch (err) {
-      setErrorData(err);
+      setErrorData(err as { title: string; list?: Array<string> });
     }
   }
   let current_flow = flows.find((flow) => flow.id === tabId);
@@ -45,7 +46,9 @@ export const MenuBar = ({ flows, tabId }) => {
           <DropdownMenuTrigger asChild>
             <Button asChild variant="primary" size="sm">
               <div className="header-menu-bar-display">
-                <div className="header-menu-flow-name">{current_flow.name}</div>
+                <div className="header-menu-flow-name">
+                  {current_flow!.name}
+                </div>
                 <IconComponent name="ChevronDown" className="h-4 w-4" />
               </div>
             </Button>

src/frontend/src/components/headerComponent/index.tsx

@@ -1,9 +1,10 @@
 import { useContext, useEffect, useState } from "react";
 import { FaDiscord, FaGithub, FaTwitter } from "react-icons/fa";
-import { Link, useLocation } from "react-router-dom";
+import { Link, useLocation, useNavigate } from "react-router-dom";
 import AlertDropdown from "../../alerts/alertDropDown";
 import { USER_PROJECTS_HEADER } from "../../constants/constants";
 import { alertContext } from "../../contexts/alertContext";
+import { AuthContext } from "../../contexts/authContext";
 import { darkContext } from "../../contexts/darkContext";
 import { TabsContext } from "../../contexts/tabsContext";
 import { getRepoStars } from "../../controllers/API";
@@ -12,31 +13,50 @@ import { Button } from "../ui/button";
 import { Separator } from "../ui/separator";
 import MenuBar from "./components/menuBar";
 
-export default function Header() {
+export default function Header(): JSX.Element {
   const { flows, tabId } = useContext(TabsContext);
   const { dark, setDark } = useContext(darkContext);
   const { notificationCenter } = useContext(alertContext);
   const location = useLocation();
+  const { logout, autoLogin, isAdmin, stars } = useContext(AuthContext);
+  const navigate = useNavigate();
 
-  const [stars, setStars] = useState(null);
-
-  // Get and set numbers of stars on header
-  useEffect(() => {
-    async function fetchStars() {
-      const starsCount = await getRepoStars("logspace-ai", "langflow");
-      setStars(starsCount);
-    }
-    fetchStars();
-  }, []);
   return (
     <div className="header-arrangement">
       <div className="header-start-display">
         <Link to="/">
           <span className="ml-4 text-2xl">⛓️</span>
         </Link>
-        <Button variant="outline" className="">
+        {location.pathname === "/admin" && (
-          Sign out
+          <Button
-        </Button>
+            onClick={() => {
+              navigate("/");
+            }}
+            variant="outline"
+            className=""
+          >
+            Main page
+          </Button>
+        )}
+        {autoLogin === false && (
+          <Button
+            onClick={() => {
+              logout();
+              navigate("/login");
+            }}
+            variant="outline"
+            className=""
+          >
+            Sign out
+          </Button>
+        )}
+
+        {isAdmin && !autoLogin && location.pathname !== "/admin" && (
+          <Button variant="outline" onClick={() => navigate("/admin")}>
+            Admin page
+          </Button>
+        )}
+
         {flows.findIndex((f) => tabId === f.id) !== -1 && tabId !== "" && (
           <MenuBar flows={flows} tabId={tabId} />
         )}
@@ -119,6 +139,18 @@ export default function Header() {
               />
             </div>
           </AlertDropdown>
+          {!autoLogin && (
+            <button
+              onClick={() => {
+                navigate("/account/api-keys");
+              }}
+            >
+              <IconComponent
+                name="Key"
+                className="side-bar-button-size text-muted-foreground hover:text-accent-foreground"
+              />
+            </button>
+          )}
         </div>
       </div>
     </div>

src/frontend/src/components/inputComponent/index.tsx

@@ -1,6 +1,7 @@
 import * as Form from "@radix-ui/react-form";
 import { useEffect, useState } from "react";
 import { InputComponentType } from "../../types/components";
+import { handleKeyDown } from "../../utils/reactflowUtils";
 import { classNames } from "../../utils/utils";
 import { Input } from "../ui/input";
 
@@ -14,7 +15,7 @@ export default function InputComponent({
   editNode = false,
   placeholder = "Type something...",
   className,
-}: InputComponentType) {
+}: InputComponentType): JSX.Element {
   const [pwdVisible, setPwdVisible] = useState(false);
 
   // Clear component state
@@ -39,12 +40,15 @@ export default function InputComponent({
               editNode ? " input-edit-node " : "",
               password && editNode ? "pr-8" : "",
               password && !editNode ? "pr-10" : "",
-              className
+              className!
             )}
             placeholder={password && editNode ? "Key" : placeholder}
             onChange={(e) => {
               onChange(e.target.value);
             }}
+            onKeyDown={(e) => {
+              handleKeyDown(e, value, "");
+            }}
           />
         </Form.Control>
       ) : (
@@ -59,12 +63,15 @@ export default function InputComponent({
             editNode ? " input-edit-node " : "",
             password && editNode ? "pr-8" : "",
             password && !editNode ? "pr-10" : "",
-            className
+            className!
           )}
           placeholder={password && editNode ? "Key" : placeholder}
           onChange={(e) => {
             onChange(e.target.value);
           }}
+          onKeyDown={(e) => {
+            handleKeyDown(e, value, "");
+          }}
         />
       )}
       {password && (
@@ -74,7 +81,8 @@ export default function InputComponent({
               ? "input-component-true-button"
               : "input-component-false-button"
           )}
-          onClick={() => {
+          onClick={(event) => {
+            event.preventDefault();
             setPwdVisible(!pwdVisible);
           }}
         >

src/frontend/src/components/inputFileComponent/index.tsx

@@ -13,7 +13,7 @@ export default function InputFileComponent({
   fileTypes,
   onFileChange,
   editNode = false,
-}: FileComponentType) {
+}: FileComponentType): JSX.Element {
   const [myValue, setMyValue] = useState(value);
   const [loading, setLoading] = useState(false);
   const { setErrorData } = useContext(alertContext);
@@ -41,7 +41,7 @@ export default function InputFileComponent({
     setMyValue(value);
   }, [value]);
 
-  const handleButtonClick = () => {
+  const handleButtonClick = (): void => {
     // Create a file input element
     const input = document.createElement("input");
     input.type = "file";
@@ -49,7 +49,7 @@ export default function InputFileComponent({
     input.style.display = "none"; // Hidden from view
     input.multiple = false; // Allow only one file selection
 
-    input.onchange = (event: Event) => {
+    input.onchange = (event: Event): void => {
       setLoading(true);
 
       // Get the selected file

src/frontend/src/components/inputListComponent/index.tsx

@@ -11,7 +11,7 @@ export default function InputListComponent({
   onChange,
   disabled,
   editNode = false,
-}: InputListComponentType) {
+}: InputListComponentType): JSX.Element {
   useEffect(() => {
     if (disabled) {
       onChange([""]);
@@ -39,6 +39,12 @@ export default function InputListComponent({
                 newInputList[idx] = event.target.value;
                 onChange(newInputList);
               }}
+              onKeyDown={(e) => {
+                if (e.ctrlKey && e.key === "Backspace") {
+                  e.preventDefault();
+                  e.stopPropagation();
+                }
+              }}
             />
             {idx === value.length - 1 ? (
               <button

src/frontend/src/components/intComponent/index.tsx

@@ -1,5 +1,6 @@
 import { useEffect } from "react";
 import { FloatComponentType } from "../../types/components";
+import { handleKeyDown } from "../../utils/reactflowUtils";
 import { Input } from "../ui/input";
 
 export default function IntComponent({
@@ -7,7 +8,7 @@ export default function IntComponent({
   onChange,
   disabled,
   editNode = false,
-}: FloatComponentType) {
+}: FloatComponentType): JSX.Element {
   const min = 0;
 
   // Clear component state
@@ -37,6 +38,7 @@ export default function IntComponent({
           ) {
             event.preventDefault();
           }
+          handleKeyDown(event, value, "0");
         }}
         type="number"
         step="1"

src/frontend/src/components/loadingComponent/index.tsx

@@ -1,8 +1,8 @@
-type LoadingComponentProps = {
+import { LoadingComponentProps } from "../../types/components";
-  remSize: number;
-};
 
-export default function LoadingComponent({ remSize }: LoadingComponentProps) {
+export default function LoadingComponent({
+  remSize,
+}: LoadingComponentProps): JSX.Element {
   return (
     <div role="status" className="m-auto w-min">
       <svg

src/frontend/src/components/promptComponent/index.tsx

@@ -14,7 +14,7 @@ export default function PromptAreaComponent({
   onChange,
   disabled,
   editNode = false,
-}: TextAreaComponentType) {
+}: TextAreaComponentType): JSX.Element {
   useEffect(() => {
     if (disabled) {
       onChange("");
@@ -23,9 +23,9 @@ export default function PromptAreaComponent({
 
   useEffect(() => {
     if (value !== "" && !editNode) {
-      postValidatePrompt(field_name, value, nodeClass).then((apiReturn) => {
+      postValidatePrompt(field_name!, value, nodeClass!).then((apiReturn) => {
         if (apiReturn.data) {
-          setNodeClass(apiReturn.data.frontend_node);
+          setNodeClass!(apiReturn.data.frontend_node);
           // need to update reactFlowInstance to re-render the nodes.
         }
       });

src/frontend/src/components/textAreaComponent/index.tsx

@@ -10,7 +10,7 @@ export default function TextAreaComponent({
   onChange,
   disabled,
   editNode = false,
-}: TextAreaComponentType) {
+}: TextAreaComponentType): JSX.Element {
   // Clear text area
   useEffect(() => {
     if (disabled) {

src/frontend/src/components/toggleComponent/index.tsx

@@ -7,7 +7,7 @@ export default function ToggleComponent({
   enabled,
   setEnabled,
   disabled,
-}: ToggleComponentType) {
+}: ToggleComponentType): JSX.Element {
   // set component state as disabled
   useEffect(() => {
     if (disabled) {

src/frontend/src/components/toggleShadComponent/index.tsx

@@ -6,7 +6,7 @@ export default function ToggleShadComponent({
   setEnabled,
   disabled,
   size,
-}: ToggleComponentType) {
+}: ToggleComponentType): JSX.Element {
   let scaleX, scaleY;
   switch (size) {
     case "small":

src/frontend/src/components/ui/rename-label.tsx

@@ -23,14 +23,14 @@ export default function RenameLabel(props) {
       });
       if (inputRef.current) {
         setTimeout(() => {
-          inputRef.current.focus();
+          inputRef.current?.focus();
         }, 100);
       }
     }
     resizeInput();
   }, [isRename]);
 
-  const inputRef = useRef(null);
+  const inputRef = useRef<HTMLInputElement | null>(null);
 
   const resizeInput = () => {
     const input = inputRef.current;

src/frontend/src/constants/constants.ts

@@ -29,6 +29,7 @@ export const INVALID_CHARACTERS = [
  */
 
 export const regexHighlight = /\{([^}]+)\}/g;
+export const specialCharsRegex = /[!@#$%^&*()\-_=+[\]{}|;:'",.<>/?\\`´]/;
 
 export const programmingLanguages: languageMap = {
   javascript: ".js",
@@ -507,7 +508,11 @@ export const URL_EXCLUDED_FROM_ERROR_RETRIES = [
   "/api/v1/validate/code",
   "/api/v1/custom_component",
   "/api/v1/validate/prompt",
+  "http://localhost:7860/login",
 ];
+
+export const skipNodeUpdate = ["CustomComponent"];
+
 export const CONTROL_INPUT_STATE = {
   password: "",
   cnfPassword: "",
@@ -518,6 +523,18 @@ export const CONTROL_LOGIN_STATE = {
   username: "",
   password: "",
 };
+
+export const CONTROL_NEW_USER = {
+  username: "",
+  password: "",
+  is_active: false,
+  is_superuser: false,
+};
+
+export const CONTROL_NEW_API_KEY = {
+  apikeyname: "",
+};
+
 export const tabsCode = [];
 
 export function tabsArray(codes: string[], method: number) {
@@ -598,3 +615,8 @@ export function tabsArray(codes: string[], method: number) {
     },
   ];
 }
+
+export const BASE_URL_API = "http://localhost:7860/";
+
+export const SIGN_UP_SUCCESS =
+  "Congratulations on signing up! Your account is currently awaiting activation by our admin team.";

src/frontend/src/contexts/alertContext.tsx

@@ -1,34 +1,15 @@
 import { createContext, ReactNode, useState } from "react";
 import { AlertItemType } from "../types/alerts";
+import { alertContextType } from "../types/typesContext";
 
 import _ from "lodash";
 
-//types for alertContextType
-type alertContextType = {
-  errorData: { title: string; list?: Array<string> };
-  setErrorData: (newState: { title: string; list?: Array<string> }) => void;
-  errorOpen: boolean;
-  setErrorOpen: (newState: boolean) => void;
-  noticeData: { title: string; link?: string };
-  setNoticeData: (newState: { title: string; link?: string }) => void;
-  noticeOpen: boolean;
-  setNoticeOpen: (newState: boolean) => void;
-  successData: { title: string };
-  setSuccessData: (newState: { title: string }) => void;
-  successOpen: boolean;
-  setSuccessOpen: (newState: boolean) => void;
-  notificationCenter: boolean;
-  setNotificationCenter: (newState: boolean) => void;
-  notificationList: Array<AlertItemType>;
-  pushNotificationList: (Object: AlertItemType) => void;
-  clearNotificationList: () => void;
-  removeFromNotificationList: (index: string) => void;
-};
-
 //initial values to alertContextType
 const initialValue: alertContextType = {
   errorData: { title: "", list: [] },
   setErrorData: () => {},
+  loading: true,
+  setLoading: () => {},
   errorOpen: false,
   setErrorOpen: () => {},
   noticeData: { title: "", link: "" },
@@ -55,6 +36,7 @@ export function AlertProvider({ children }: { children: ReactNode }) {
     list?: Array<string>;
   }>({ title: "", list: [] });
   const [errorOpen, setErrorOpen] = useState(false);
+  const [loading, setLoading] = useState(true);
   const [noticeData, setNoticeDataState] = useState<{
     title: string;
     link?: string;
@@ -65,7 +47,7 @@ export function AlertProvider({ children }: { children: ReactNode }) {
   });
   const [successOpen, setSuccessOpen] = useState(false);
   const [notificationCenter, setNotificationCenter] = useState(false);
-  const [notificationList, setNotificationList] = useState([]);
+  const [notificationList, setNotificationList] = useState<AlertItemType[]>([]);
   const pushNotificationList = (notification: AlertItemType) => {
     setNotificationList((old) => {
       let newNotificationList = _.cloneDeep(old);
@@ -141,6 +123,8 @@ export function AlertProvider({ children }: { children: ReactNode }) {
         removeFromNotificationList,
         clearNotificationList,
         notificationList,
+        loading,
+        setLoading,
         pushNotificationList,
         setNotificationCenter,
         notificationCenter,

src/frontend/src/contexts/authContext.tsx

@@ -1,44 +1,87 @@
 import { createContext, useEffect, useState } from "react";
-import { AuthContextType, userData } from "../types/contexts/auth";
+import Cookies from "universal-cookie";
+import { getLoggedUser, getRepoStars } from "../controllers/API";
+import { Users } from "../types/api";
+import { AuthContextType } from "../types/contexts/auth";
 
 const initialValue: AuthContextType = {
+  isAdmin: false,
+  setIsAdmin: () => false,
   isAuthenticated: false,
   accessToken: null,
+  refreshToken: null,
   login: () => {},
   logout: () => {},
   refreshAccessToken: () => Promise.resolve(),
   userData: null,
   setUserData: () => {},
+  getAuthentication: () => false,
+  authenticationErrorCount: 0,
+  autoLogin: false,
+  setAutoLogin: () => {},
+  stars: 0,
+  setStars: (stars) => 0,
 };
 
-const AuthContext = createContext<AuthContextType>(initialValue);
+export const AuthContext = createContext<AuthContextType>(initialValue);
 
 export function AuthProvider({ children }): React.ReactElement {
   const [accessToken, setAccessToken] = useState<string | null>(null);
-  const [userData, setUserData] = useState<userData>(null);
+  const [refreshToken, setRefreshToken] = useState<string | null>(null);
+  const [isAuthenticated, setIsAuthenticated] = useState<boolean>(false);
+  const [isAdmin, setIsAdmin] = useState<boolean>(false);
+  const [userData, setUserData] = useState<Users | null>(null);
+  const [autoLogin, setAutoLogin] = useState<boolean>(false);
+  const [stars, setStars] = useState<number>(0);
+  const cookies = new Cookies();
 
   useEffect(() => {
-    const storedAccessToken = localStorage.getItem("access_token");
+    const storedAccessToken = cookies.get("access_token");
     if (storedAccessToken) {
       setAccessToken(storedAccessToken);
     }
+    async function fetchStars() {
+      const starsCount = await getRepoStars("logspace-ai", "langflow");
+      setStars(starsCount);
+    }
+    fetchStars();
   }, []);
 
+  useEffect(() => {
+    if (accessToken) {
+      getLoggedUser().then((user) => {
+        const isSuperUser = user.is_superuser;
+        setIsAdmin(isSuperUser);
+      });
+    }
+  }, [accessToken, isAdmin]);
+
+  function getAuthentication() {
+    const storedRefreshToken = cookies.get("refresh_token");
+    const storedAccess = cookies.get("access_token");
+    const auth = storedAccess && storedRefreshToken ? true : false;
+    return auth;
+  }
+
   function login(newAccessToken: string, refreshToken: string) {
-    localStorage.setItem("access_token", newAccessToken);
+    cookies.set("access_token", newAccessToken, { path: "/" });
+    cookies.set("refresh_token", refreshToken, { path: "/" });
     setAccessToken(newAccessToken);
-    // Store refreshToken if needed
+    setRefreshToken(refreshToken);
+    setIsAuthenticated(true);
   }
 
   function logout() {
-    localStorage.removeItem("access_token");
+    cookies.remove("access_token", { path: "/" });
-    // Clear refreshToken if used
+    cookies.remove("refresh_token", { path: "/" });
+    setUserData(null);
     setAccessToken(null);
+    setRefreshToken(null);
+    setIsAuthenticated(false);
   }
 
   async function refreshAccessToken(refreshToken: string) {
     try {
-      // Call your API to refresh the access token using the refresh token
       const response = await fetch("/api/refresh-token", {
         method: "POST",
         headers: {
@@ -50,6 +93,9 @@ export function AuthProvider({ children }): React.ReactElement {
       if (response.ok) {
         const data = await response.json();
         login(data.accessToken, refreshToken);
+        getLoggedUser().then((user) => {
+          console.log("oi");
+        });
       } else {
         logout();
       }
@@ -62,13 +108,22 @@ export function AuthProvider({ children }): React.ReactElement {
     // !! to convert string to boolean
     <AuthContext.Provider
       value={{
+        stars,
+        setStars,
+        isAdmin,
+        setIsAdmin,
         isAuthenticated: !!accessToken,
         accessToken,
+        refreshToken,
         login,
         logout,
         refreshAccessToken,
         setUserData,
         userData,
+        getAuthentication,
+        authenticationErrorCount: 0,
+        setAutoLogin,
+        autoLogin,
       }}
     >
       {children}

src/frontend/src/contexts/darkContext.tsx

@@ -1,9 +1,5 @@
 import { createContext, useEffect, useState } from "react";
-
+import { darkContextType } from "../types/typesContext";
-type darkContextType = {
-  dark: {};
-  setDark: (newState: {}) => void;
-};
 
 const initialValue = {
   dark: {},
@@ -14,13 +10,13 @@ export const darkContext = createContext<darkContextType>(initialValue);
 
 export function DarkProvider({ children }) {
   const [dark, setDark] = useState(
-    JSON.parse(window.localStorage.getItem("isDark")) ?? false
+    JSON.parse(window.localStorage.getItem("isDark")!) ?? false
   );
   useEffect(() => {
     if (dark) {
-      document.getElementById("body").classList.add("dark");
+      document.getElementById("body")!.classList.add("dark");
     } else {
-      document.getElementById("body").classList.remove("dark");
+      document.getElementById("body")!.classList.remove("dark");
     }
     window.localStorage.setItem("isDark", dark.toString());
   }, [dark]);

src/frontend/src/contexts/index.tsx

@@ -3,6 +3,7 @@ import { ReactFlowProvider } from "reactflow";
 import { TooltipProvider } from "../components/ui/tooltip";
 import { SSEProvider } from "./SSEContext";
 import { AlertProvider } from "./alertContext";
+import { AuthProvider } from "./authContext";
 import { DarkProvider } from "./darkContext";
 import { LocationProvider } from "./locationContext";
 import { TabsProvider } from "./tabsContext";
@@ -13,23 +14,25 @@ export default function ContextWrapper({ children }: { children: ReactNode }) {
   //element to wrap all context
   return (
     <>
-      <TooltipProvider>
+      <AuthProvider>
-        <ReactFlowProvider>
+        <TooltipProvider>
-          <DarkProvider>
+          <ReactFlowProvider>
-            <TypesProvider>
+            <DarkProvider>
-              <LocationProvider>
+              <TypesProvider>
-                <AlertProvider>
+                <LocationProvider>
-                  <SSEProvider>
+                  <AlertProvider>
-                    <TabsProvider>
+                    <SSEProvider>
-                      <UndoRedoProvider>{children}</UndoRedoProvider>
+                      <TabsProvider>
-                    </TabsProvider>
+                        <UndoRedoProvider>{children}</UndoRedoProvider>
-                  </SSEProvider>
+                      </TabsProvider>
-                </AlertProvider>
+                    </SSEProvider>
-              </LocationProvider>
+                  </AlertProvider>
-            </TypesProvider>
+                </LocationProvider>
-          </DarkProvider>
+              </TypesProvider>
-        </ReactFlowProvider>
+            </DarkProvider>
-      </TooltipProvider>
+          </ReactFlowProvider>
+        </TooltipProvider>
+      </AuthProvider>
     </>
   );
 }

src/frontend/src/contexts/locationContext.tsx

@@ -1,34 +1,5 @@
 import { createContext, ReactNode, useState } from "react";
-
+import { locationContextType } from "../types/typesContext";
-//types for location context
-type locationContextType = {
-  current: Array<string>;
-  setCurrent: (newState: Array<string>) => void;
-  isStackedOpen: boolean;
-  setIsStackedOpen: (newState: boolean) => void;
-  showSideBar: boolean;
-  setShowSideBar: (newState: boolean) => void;
-  extraNavigation: {
-    title: string;
-    options?: Array<{
-      name: string;
-      href: string;
-      icon: any;
-      children?: Array<any>;
-    }>;
-  };
-  setExtraNavigation: (newState: {
-    title: string;
-    options?: Array<{
-      name: string;
-      href: string;
-      icon: any;
-      children?: Array<any>;
-    }>;
-  }) => void;
-  extraComponent: any;
-  setExtraComponent: (newState: any) => void;
-};
 
 //initial value for location context
 const initialValue = {

src/frontend/src/contexts/tabsContext.tsx

@@ -7,8 +7,9 @@ import {
   useRef,
   useState,
 } from "react";
-import { addEdge } from "reactflow";
+import { Edge, Node, ReactFlowJsonObject, addEdge } from "reactflow";
 import ShortUniqueId from "short-unique-id";
+import { skipNodeUpdate } from "../constants/constants";
 import {
   deleteFlowFromDatabase,
   downloadFlowsFromDatabase,
@@ -18,8 +19,9 @@ import {
   uploadFlowsToDatabase,
 } from "../controllers/API";
 import { APIClassType, APITemplateType } from "../types/api";
-import { FlowType, NodeType } from "../types/flow";
+import { tweakType } from "../types/components";
-import { TabsContextType, TabsState } from "../types/tabs";
+import { FlowType, NodeDataType, NodeType } from "../types/flow";
+import { TabsContextType, TabsState, errorsVarType } from "../types/tabs";
 import {
   addVersionToDuplicates,
   updateIds,
@@ -73,9 +75,12 @@ export function TabsProvider({ children }: { children: ReactNode }) {
   const [flows, setFlows] = useState<Array<FlowType>>([]);
   const [id, setId] = useState(uid());
   const { templates, reactFlowInstance } = useContext(typesContext);
-  const [lastCopiedSelection, setLastCopiedSelection] = useState(null);
+  const [lastCopiedSelection, setLastCopiedSelection] = useState<{
+    nodes: any;
+    edges: any;
+  } | null>(null);
   const [tabsState, setTabsState] = useState<TabsState>({});
-  const [getTweak, setTweak] = useState([]);
+  const [getTweak, setTweak] = useState<tweakType>([]);
 
   const newNodeId = useRef(uid());
   function incrementNodeId() {
@@ -130,8 +135,8 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     //get tabs from db
     return readFlowsFromDatabase();
   }
-  function processDBData(DbData) {
+  function processDBData(DbData: FlowType[]) {
-    DbData.forEach((flow) => {
+    DbData.forEach((flow: FlowType) => {
       try {
         if (!flow.data) {
           return;
@@ -144,7 +149,7 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     });
   }
 
-  function processFlowEdges(flow) {
+  function processFlowEdges(flow: FlowType) {
     if (!flow.data || !flow.data.edges) return;
     flow.data.edges.forEach((edge) => {
       edge.className = "";
@@ -153,16 +158,17 @@ export function TabsProvider({ children }: { children: ReactNode }) {
   }
 
   function updateDisplay_name(node: NodeType, template: APIClassType) {
-    node.data.node.display_name = template["display_name"] || node.data.type;
+    node.data.node!.display_name = template["display_name"] || node.data.type;
   }
 
   function updateNodeDocumentation(node: NodeType, template: APIClassType) {
-    node.data.node.documentation = template["documentation"];
+    node.data.node!.documentation = template["documentation"];
   }
 
-  function processFlowNodes(flow) {
+  function processFlowNodes(flow: FlowType) {
     if (!flow.data || !flow.data.nodes) return;
     flow.data.nodes.forEach((node: NodeType) => {
+      if (skipNodeUpdate.includes(node.data.type)) return;
       const template = templates[node.data.type];
       if (!template) {
         setErrorData({ title: `Unknown node type: ${node.data.type}` });
@@ -180,7 +186,7 @@ export function TabsProvider({ children }: { children: ReactNode }) {
   }
 
   function updateNodeBaseClasses(node: NodeType, template: APIClassType) {
-    node.data.node.base_classes = template["base_classes"];
+    node.data.node!.base_classes = template["base_classes"];
   }
 
   function updateNodeEdges(
@@ -188,10 +194,10 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     node: NodeType,
     template: APIClassType
   ) {
-    flow.data.edges.forEach((edge) => {
+    flow.data!.edges.forEach((edge) => {
       if (edge.source === node.id) {
         edge.sourceHandle = edge.sourceHandle
-          .split("|")
+          ?.split("|")
           .slice(0, 2)
           .concat(template["base_classes"])
           .join("|");
@@ -200,17 +206,17 @@ export function TabsProvider({ children }: { children: ReactNode }) {
   }
 
   function updateNodeDescription(node: NodeType, template: APIClassType) {
-    node.data.node.description = template["description"];
+    node.data.node!.description = template["description"];
   }
 
   function updateNodeTemplate(node: NodeType, template: APIClassType) {
-    node.data.node.template = updateTemplate(
+    node.data.node!.template = updateTemplate(
       template["template"] as unknown as APITemplateType,
-      node.data.node.template as APITemplateType
+      node.data.node!.template as APITemplateType
     );
   }
 
-  function updateStateWithDbData(tabsData) {
+  function updateStateWithDbData(tabsData: FlowType[]) {
     setFlows(tabsData);
   }
 
@@ -241,7 +247,7 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     link.download = `${
       flowName && flowName != ""
         ? flowName
-        : flows.find((f) => f.id === tabId).name
+        : flows.find((f) => f.id === tabId)!.name
     }.json`;
 
     // simulate a click on the link element to trigger the download
@@ -293,10 +299,10 @@ export function TabsProvider({ children }: { children: ReactNode }) {
       input.onchange = (e: Event) => {
         // check if the file type is application/json
         if (
-          (e.target as HTMLInputElement).files[0].type === "application/json"
+          (e.target as HTMLInputElement).files![0].type === "application/json"
         ) {
           // get the file from the file input
-          const currentfile = (e.target as HTMLInputElement).files[0];
+          const currentfile = (e.target as HTMLInputElement).files![0];
           // read the file as text
           currentfile.text().then((text) => {
             // parse the text into a JSON object
@@ -319,10 +325,10 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     input.onchange = (event: Event) => {
       // check if the file type is application/json
       if (
-        (event.target as HTMLInputElement).files[0].type === "application/json"
+        (event.target as HTMLInputElement).files![0].type === "application/json"
       ) {
         // get the file from the file input
-        const file = (event.target as HTMLInputElement).files[0];
+        const file = (event.target as HTMLInputElement).files![0];
         // read the file as text
         const formData = new FormData();
         formData.append("file", file);
@@ -353,15 +359,15 @@ export function TabsProvider({ children }: { children: ReactNode }) {
    */
 
   function paste(
-    selectionInstance,
+    selectionInstance: { nodes: Node[]; edges: Edge[] },
     position: { x: number; y: number; paneX?: number; paneY?: number }
   ) {
     let minimumX = Infinity;
     let minimumY = Infinity;
     let idsMap = {};
-    let nodes = reactFlowInstance.getNodes();
+    let nodes: Node<NodeDataType>[] = reactFlowInstance!.getNodes();
-    let edges = reactFlowInstance.getEdges();
+    let edges = reactFlowInstance!.getEdges();
-    selectionInstance.nodes.forEach((node) => {
+    selectionInstance.nodes.forEach((node: Node) => {
       if (node.position.y < minimumY) {
         minimumY = node.position.y;
       }
@@ -371,8 +377,8 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     });
 
     const insidePosition = position.paneX
-      ? { x: position.paneX + position.x, y: position.paneY + position.y }
+      ? { x: position.paneX + position.x, y: position.paneY! + position.y }
-      : reactFlowInstance.project({ x: position.x, y: position.y });
+      : reactFlowInstance!.project({ x: position.x, y: position.y });
 
     selectionInstance.nodes.forEach((node: NodeType) => {
       // Generate a unique node ID
@@ -384,8 +390,8 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         id: newId,
         type: "genericNode",
         position: {
-          x: insidePosition.x + node.position.x - minimumX,
+          x: insidePosition.x + node.position!.x - minimumX,
-          y: insidePosition.y + node.position.y - minimumY,
+          y: insidePosition.y + node.position!.y - minimumY,
         },
         data: {
           ..._.cloneDeep(node.data),
@@ -398,19 +404,19 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         .map((node) => ({ ...node, selected: false }))
         .concat({ ...newNode, selected: false });
     });
-    reactFlowInstance.setNodes(nodes);
+    reactFlowInstance!.setNodes(nodes);
 
     selectionInstance.edges.forEach((edge) => {
       let source = idsMap[edge.source];
       let target = idsMap[edge.target];
-      let sourceHandleSplitted = edge.sourceHandle.split("|");
+      let sourceHandleSplitted = edge.sourceHandle!.split("|");
       let sourceHandle =
         sourceHandleSplitted[0] +
         "|" +
         source +
         "|" +
         sourceHandleSplitted.slice(2).join("|");
-      let targetHandleSplitted = edge.targetHandle.split("|");
+      let targetHandleSplitted = edge.targetHandle!.split("|");
       let targetHandle =
         targetHandleSplitted.slice(0, -1).join("|") + "|" + target;
       let id =
@@ -438,21 +444,21 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         edges.map((edge) => ({ ...edge, selected: false }))
       );
     });
-    reactFlowInstance.setEdges(edges);
+    reactFlowInstance!.setEdges(edges);
   }
 
   const addFlow = async (
     flow?: FlowType,
     newProject?: Boolean
-  ): Promise<String> => {
+  ): Promise<String | undefined> => {
     if (newProject) {
-      let flowData = extractDataFromFlow(flow);
+      let flowData = extractDataFromFlow(flow!);
       if (flowData.description == "") {
         flowData.description = getRandomDescription();
       }
 
       // Create a new flow with a default name if no flow is provided.
-      const newFlow = createNewFlow(flowData, flow);
+      const newFlow = createNewFlow(flowData, flow!);
       processFlowEdges(newFlow);
       processFlowNodes(newFlow);
 
@@ -477,13 +483,13 @@ export function TabsProvider({ children }: { children: ReactNode }) {
       }
     } else {
       paste(
-        { nodes: flow.data.nodes, edges: flow.data.edges },
+        { nodes: flow!.data!.nodes, edges: flow!.data!.edges },
         { x: 10, y: 10 }
       );
     }
   };
 
-  const extractDataFromFlow = (flow) => {
+  const extractDataFromFlow = (flow: FlowType) => {
     let data = flow?.data ? flow.data : null;
     const description = flow?.description ? flow.description : "";
 
@@ -496,18 +502,19 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     return { data, description };
   };
 
-  const updateEdges = (edges) => {
+  const updateEdges = (edges: Edge[]) => {
     edges.forEach((edge) => {
       edge.className =
-        (edge.targetHandle.split("|")[0] === "Text"
+        (edge.targetHandle!.split("|")[0] === "Text"
           ? "stroke-gray-800 "
           : "stroke-gray-900 ") + " stroke-connection";
-      edge.animated = edge.targetHandle.split("|")[0] === "Text";
+      edge.animated = edge.targetHandle!.split("|")[0] === "Text";
     });
   };
 
-  const updateNodes = (nodes, edges) => {
+  const updateNodes = (nodes: Node[], edges: Edge[]) => {
     nodes.forEach((node) => {
+      if (skipNodeUpdate.includes(node.data.type)) return;
       const template = templates[node.data.type];
       if (!template) {
         setErrorData({ title: `Unknown node type: ${node.data.type}` });
@@ -517,8 +524,8 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         node.data.node.base_classes = template["base_classes"];
         edges.forEach((edge) => {
           if (edge.source === node.id) {
-            edge.sourceHandle = edge.sourceHandle
+            edge.sourceHandle = edge
-              .split("|")
+              .sourceHandle!.split("|")
               .slice(0, 2)
               .concat(template["base_classes"])
               .join("|");
@@ -533,14 +540,17 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     });
   };
 
-  const createNewFlow = (flowData, flow) => ({
+  const createNewFlow = (
+    flowData: { data: ReactFlowJsonObject | null; description: string },
+    flow: FlowType
+  ) => ({
     description: flowData.description,
     name: flow?.name ?? getRandomName(),
     data: flowData.data,
     id: "",
   });
 
-  const addFlowToLocalState = (newFlow) => {
+  const addFlowToLocalState = (newFlow: FlowType) => {
     setFlows((prevState) => {
       return [...prevState, newFlow];
     });
@@ -591,7 +601,7 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         });
       }
     } catch (err) {
-      setErrorData(err);
+      setErrorData(err as errorsVarType);
     }
   }
 

src/frontend/src/contexts/typesContext.tsx

@@ -1,14 +1,21 @@
-import { createContext, ReactNode, useEffect, useState } from "react";
+import {
-import { Node } from "reactflow";
+  createContext,
+  ReactNode,
+  useContext,
+  useEffect,
+  useState,
+} from "react";
+import { Node, ReactFlowInstance } from "reactflow";
 import { getAll } from "../controllers/API";
 import { APIKindType } from "../types/api";
 import { typesContextType } from "../types/typesContext";
+import { alertContext } from "./alertContext";
 
 //context to share types adn functions from nodes to flow
 
 const initialValue: typesContextType = {
   reactFlowInstance: null,
-  setReactFlowInstance: () => {},
+  setReactFlowInstance: (newState: ReactFlowInstance) => {},
   deleteNode: () => {},
   types: {},
   setTypes: () => {},
@@ -22,13 +29,15 @@ export const typesContext = createContext<typesContextType>(initialValue);
 
 export function TypesProvider({ children }: { children: ReactNode }) {
   const [types, setTypes] = useState({});
-  const [reactFlowInstance, setReactFlowInstance] = useState(null);
+  const [reactFlowInstance, setReactFlowInstance] =
+    useState<ReactFlowInstance | null>(null);
   const [templates, setTemplates] = useState({});
   const [data, setData] = useState({});
+  const { setLoading } = useContext(alertContext);
 
   useEffect(() => {
     let delay = 1000; // Start delay of 1 second
-    let intervalId = null;
+    let intervalId: NodeJS.Timer;
     let retryCount = 0; // Count of retry attempts
     const maxRetryCount = 5; // Max retry attempts
 
@@ -40,6 +49,7 @@ export function TypesProvider({ children }: { children: ReactNode }) {
         const result = await getAll();
         // Make sure to only update the state if the component is still mounted.
         if (isMounted) {
+          setLoading(false);
           setData(result.data);
           setTemplates(
             Object.keys(result.data).reduce((acc, curr) => {
@@ -69,7 +79,7 @@ export function TypesProvider({ children }: { children: ReactNode }) {
           );
         }
         // Clear the interval if successful.
-        clearInterval(intervalId);
+        clearInterval(intervalId!);
       } catch (error) {
         console.error("An error has occurred while fetching types.");
       }
@@ -77,21 +87,20 @@ export function TypesProvider({ children }: { children: ReactNode }) {
 
     // Start the initial interval.
     intervalId = setInterval(getTypes, delay);
-
     return () => {
       // This will clear the interval when the component unmounts, or when the dependencies of the useEffect hook change.
-      clearInterval(intervalId);
+      clearInterval(intervalId!);
       // Indicate that the component has been unmounted.
       isMounted = false;
     };
   }, []);
 
   function deleteNode(idx: string) {
-    reactFlowInstance.setNodes(
+    reactFlowInstance!.setNodes(
-      reactFlowInstance.getNodes().filter((node: Node) => node.id !== idx)
+      reactFlowInstance!.getNodes().filter((node: Node) => node.id !== idx)
     );
-    reactFlowInstance.setEdges(
+    reactFlowInstance!.setEdges(
-      reactFlowInstance
+      reactFlowInstance!
         .getEdges()
         .filter((edge) => edge.source !== idx && edge.target !== idx)
     );

src/frontend/src/contexts/undoRedoContext.tsx

@@ -6,26 +6,15 @@ import {
   useEffect,
   useState,
 } from "react";
-import { Edge, Node, useReactFlow } from "reactflow";
+import { useReactFlow } from "reactflow";
+import {
+  HistoryItem,
+  UseUndoRedoOptions,
+  undoRedoContextType,
+} from "../types/typesContext";
 import { isWrappedWithClass } from "../utils/utils";
 import { TabsContext } from "./tabsContext";
 
-type undoRedoContextType = {
-  undo: () => void;
-  redo: () => void;
-  takeSnapshot: () => void;
-};
-
-type UseUndoRedoOptions = {
-  maxHistorySize: number;
-  enableShortcuts: boolean;
-};
-
-type HistoryItem = {
-  nodes: Node[];
-  edges: Edge[];
-};
-
 const initialValue = {
   undo: () => {},
   redo: () => {},

src/frontend/src/controllers/API/api.tsx

@@ -1,6 +1,10 @@
 import axios, { AxiosError, AxiosInstance } from "axios";
-import { useContext, useEffect, useRef } from "react";
+import { useContext, useEffect } from "react";
+import { Cookies } from "react-cookie";
+import { useNavigate } from "react-router-dom";
+import { renewAccessToken } from ".";
 import { alertContext } from "../../contexts/alertContext";
+import { AuthContext } from "../../contexts/authContext";
 
 // Create a new Axios instance
 const api: AxiosInstance = axios.create({
@@ -8,52 +12,99 @@ const api: AxiosInstance = axios.create({
 });
 
 function ApiInterceptor() {
-  const retryCounts = useRef([]);
   const { setErrorData } = useContext(alertContext);
+  let { accessToken, login, logout, authenticationErrorCount } =
+    useContext(AuthContext);
+  const navigate = useNavigate();
+  const cookies = new Cookies();
 
   useEffect(() => {
     const interceptor = api.interceptors.response.use(
       (response) => response,
       async (error: AxiosError) => {
-        // if (URL_EXCLUDED_FROM_ERROR_RETRIES.includes(error.config?.url)) {
+        if (error.response?.status === 401) {
-        //   return Promise.reject(error);
+          const refreshToken = cookies.get("refresh_token");
-        // }
+
-        // let retryCount = 0;
+          if (refreshToken) {
-        // while (retryCount < 4) {
+            authenticationErrorCount = authenticationErrorCount + 1;
-        //   await sleep(5000); // Sleep for 5 seconds
+            if (authenticationErrorCount > 3) {
-        //   retryCount++;
+              authenticationErrorCount = 0;
-        //   try {
+              logout();
-        //     const response = await axios.request(error.config);
+              navigate("/login");
-        //     return response;
+            }
-        //   } catch (error) {
+
-        //     if (retryCount === 3) {
+            const res = await renewAccessToken(refreshToken);
-        //       setErrorData({
+            login(res.data.access_token, res.data.refresh_token);
-        //         title: "There was an error on web connection, please: ",
+            try {
-        //         list: [
+              if (error?.config?.headers) {
-        //           "Refresh the page",
+                delete error.config.headers["Authorization"];
-        //           "Use a new flow tab",
+                error.config.headers["Authorization"] = `Bearer ${accessToken}`;
-        //           "Check if the backend is up",
+                const response = await axios.request(error.config);
-        //           "Endpoint: " + error.config?.url,
+                return response;
-        //         ],
+              }
-        //       });
+            } catch (error) {
-        //       return Promise.reject(error);
+              if (axios.isAxiosError(error) && error.response?.status === 401) {
-        //     }
+                logout();
-        //   }
+                navigate("/login");
-        // }
+              }
+            }
+          }
+
+          if (!refreshToken && error?.config?.url?.includes("login")) {
+            return Promise.reject(error);
+          } else {
+            logout();
+            navigate("/login");
+          }
+        } else {
+          // if (URL_EXCLUDED_FROM_ERROR_RETRIES.includes(error.config?.url)) {
+          return Promise.reject(error);
+          // }
+        }
+      }
+    );
+
+    // Request interceptor to add access token to every request
+    const requestInterceptor = api.interceptors.request.use(
+      (config) => {
+        if (accessToken) {
+          config.headers["Authorization"] = `Bearer ${accessToken}`;
+        }
+
+        if (
+          config?.url?.includes(
+            "https://raw.githubusercontent.com/logspace-ai/langflow_examples/main/examples"
+          ) ||
+          config?.url?.includes(
+            "https://api.github.com/repos/logspace-ai/langflow_examples/contents/examples"
+          ) ||
+          config?.url?.includes(
+            "https://api.github.com/repos/logspace-ai/langflow"
+          ) ||
+          config?.url?.includes("auto_login")
+        ) {
+          delete config.headers["Authorization"];
+        }
+
+        return config;
+      },
+      (error) => {
+        return Promise.reject(error);
       }
     );
 
     return () => {
-      // Clean up the interceptor when the component unmounts
+      // Clean up the interceptors when the component unmounts
       api.interceptors.response.eject(interceptor);
+      api.interceptors.request.eject(requestInterceptor);
     };
-  }, [retryCounts]);
+  }, [accessToken, setErrorData]);
 
   return null;
 }
 
 // Function to sleep for a given duration in milliseconds
-function sleep(ms) {
+function sleep(ms: number) {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }
 

src/frontend/src/controllers/API/index.ts

@@ -1,7 +1,14 @@
 import { AxiosResponse } from "axios";
 import { ReactFlowJsonObject } from "reactflow";
+import { BASE_URL_API } from "../../constants/constants";
 import { api } from "../../controllers/API/api";
-import { APIObjectType, sendAllProps } from "../../types/api/index";
+import {
+  APIObjectType,
+  LoginType,
+  Users,
+  sendAllProps,
+} from "../../types/api/index";
+import { UserInputType } from "../../types/components";
 import { FlowStyleType, FlowType } from "../../types/flow";
 import {
   APIClassType,
@@ -23,7 +30,7 @@ export async function getAll(): Promise<AxiosResponse<APIObjectType>> {
 
 const GITHUB_API_URL = "https://api.github.com";
 
-export async function getRepoStars(owner, repo) {
+export async function getRepoStars(owner: string, repo: string) {
   try {
     const response = await api.get(`${GITHUB_API_URL}/repos/${owner}/${repo}`);
     return response.data.stargazers_count;
@@ -100,7 +107,7 @@ export async function getExamples(): Promise<FlowType[]> {
 export async function saveFlowToDatabase(newFlow: {
   name: string;
   id: string;
-  data: ReactFlowJsonObject;
+  data: ReactFlowJsonObject | null;
   description: string;
   style?: FlowStyleType;
 }): Promise<FlowType> {
@@ -179,7 +186,7 @@ export async function downloadFlowsFromDatabase() {
   }
 }
 
-export async function uploadFlowsToDatabase(flows) {
+export async function uploadFlowsToDatabase(flows: FormData) {
   try {
     const response = await api.post(`/api/v1/flows/upload/`, flows);
 
@@ -346,3 +353,153 @@ export async function postCustomComponent(
 ): Promise<AxiosResponse<APIClassType>> {
   return await api.post(`/api/v1/custom_component`, { code });
 }
+
+export async function onLogin(user: LoginType) {
+  try {
+    const response = await api.post(
+      `${BASE_URL_API}login`,
+      new URLSearchParams({
+        username: user.username,
+        password: user.password,
+      }).toString(),
+      {
+        headers: {
+          "Content-Type": "application/x-www-form-urlencoded",
+        },
+      }
+    );
+
+    if (response.status === 200) {
+      const data = response.data;
+      return data;
+    }
+  } catch (error) {
+    throw error;
+  }
+}
+
+export async function autoLogin() {
+  try {
+    const response = await api.get(`${BASE_URL_API}auto_login`);
+
+    if (response.status === 200) {
+      const data = response.data;
+      return data;
+    }
+  } catch (error) {
+    throw error;
+  }
+}
+
+export async function renewAccessToken(token: string) {
+  try {
+    return await api.post(`${BASE_URL_API}refresh?token=${token}`);
+  } catch (error) {
+    console.log("Error:", error);
+    throw error;
+  }
+}
+
+export async function getLoggedUser(): Promise<Users> {
+  try {
+    const res = await api.get(`${BASE_URL_API}user`);
+
+    if (res.status === 200) {
+      return res.data;
+    }
+  } catch (error) {
+    console.log("Error:", error);
+    throw error;
+  }
+}
+
+export async function addUser(user: UserInputType): Promise<Users> {
+  try {
+    const res = await api.post(`${BASE_URL_API}user`, user);
+    if (res.status === 200) {
+      return res.data;
+    }
+  } catch (error) {
+    console.log("Error:", error);
+    throw error;
+  }
+}
+
+export async function getUsersPage(
+  skip: number,
+  limit: number
+): Promise<[Users]> {
+  try {
+    const res = await api.get(
+      `${BASE_URL_API}users?skip=${skip}&limit=${limit}`
+    );
+    if (res.status === 200) {
+      return res.data;
+    }
+  } catch (error) {
+    console.log("Error:", error);
+    throw error;
+  }
+}
+
+export async function deleteUser(user_id: string) {
+  try {
+    const res = await api.delete(`${BASE_URL_API}user/${user_id}`);
+    if (res.status === 200) {
+      return res.data;
+    }
+  } catch (error) {
+    console.log("Error:", error);
+    throw error;
+  }
+}
+
+export async function updateUser(user_id: string, user: Users) {
+  try {
+    const res = await api.patch(`${BASE_URL_API}user/${user_id}`, user);
+    if (res.status === 200) {
+      return res.data;
+    }
+  } catch (error) {
+    console.log("Error:", error);
+    throw error;
+  }
+}
+
+export async function getApiKey(user_id: String) {
+  try {
+    const res = await api.get(`${BASE_URL_API}api_key/${user_id}`);
+    if (res.status === 200) {
+      return res.data;
+    }
+  } catch (error) {
+    console.log("Error:", error);
+    throw error;
+  }
+}
+
+export async function createApiKey(user_id: string) {
+  try {
+    const res = await api.post(`${BASE_URL_API}api_key/${user_id}`);
+    if (res.status === 200) {
+      return res.data;
+    }
+  } catch (error) {
+    console.log("Error:", error);
+    throw error;
+  }
+}
+
+
+export async function deleteApiKey(user_id: string) {
+  try {
+    const res = await api.delete(`${BASE_URL_API}api_key/${user_id}`);
+    if (res.status === 200) {
+      return res.data;
+    }
+  } catch (error) {
+    console.log("Error:", error);
+    throw error;
+  }
+}
+

src/frontend/src/icons/Airbyte/airbyte.svg

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+	 viewBox="0 0 841.89 595.28" style="enable-background:new 0 0 841.89 595.28;" xml:space="preserve">
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+<style type="text/css">
-	.st0{fill-rule:evenodd;clip-rule:evenodd;fill:#505AA5;}
+	.st0{fill-rule:evenodd;clip-rule:evenodd;fill:#505AA5;}
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