Refactor API router and add credentials router

src/backend/langflow/api/router.py

@@ -1,14 +1,16 @@
 # Router for base api
 from fastapi import APIRouter
+
 from langflow.api.v1 import (
+    api_key_router,
     chat_router,
+    credentials_router,
     endpoints_router,
-    validate_router,
     flows_router,
+    login_router,
     store_router,
     users_router,
-    api_key_router,
-    login_router,
+    validate_router,
 )
 
 router = APIRouter(
@@ -22,3 +24,4 @@ router.include_router(flows_router)
 router.include_router(users_router)
 router.include_router(api_key_router)
 router.include_router(login_router)
+router.include_router(credentials_router)

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

@@ -1,11 +1,12 @@
-from langflow.api.v1.endpoints import router as endpoints_router
-from langflow.api.v1.validate import router as validate_router
+from langflow.api.v1.api_key import router as api_key_router
 from langflow.api.v1.chat import router as chat_router
+from langflow.api.v1.credential import router as credentials_router
+from langflow.api.v1.endpoints import router as endpoints_router
 from langflow.api.v1.flows import router as flows_router
+from langflow.api.v1.login import router as login_router
 from langflow.api.v1.store import router as store_router
 from langflow.api.v1.users import router as users_router
-from langflow.api.v1.api_key import router as api_key_router
-from langflow.api.v1.login import router as login_router
+from langflow.api.v1.validate import router as validate_router
 
 __all__ = [
     "chat_router",
@@ -16,4 +17,5 @@ __all__ = [
     "users_router",
     "api_key_router",
     "login_router",
+    "credentials_router",
 ]

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

@@ -0,0 +1,79 @@
+from datetime import datetime
+from uuid import UUID
+
+from fastapi import APIRouter, Depends, HTTPException
+from langflow.services.auth.utils import get_current_active_user
+from langflow.services.database.models.credential import Credential, CredentialCreate, CredentialRead, CredentialUpdate
+from langflow.services.database.models.user.model import User
+from langflow.services.deps import get_session, get_settings_service
+from sqlmodel import Session
+from langflow.services.auth import utils as auth_utils
+
+router = APIRouter(prefix="/credentials", tags=["Credentials"])
+
+
+@router.post("/", response_model=CredentialRead, status_code=201)
+def create_credential(
+    *,
+    session: Session = Depends(get_session),
+    credential: CredentialCreate,
+    current_user: User = Depends(get_current_active_user),
+    settings_service=Depends(get_settings_service),
+):
+    """Create a new credential."""
+    try:
+        db_credential = Credential.model_validate(credential, from_attributes=True)
+        if not db_credential.value:
+            raise HTTPException(status_code=400, detail="Credential value cannot be empty")
+        encrypted = auth_utils.encrypt_api_key(db_credential.value, settings_service=settings_service)
+        db_credential.value = encrypted
+        db_credential.user_id = current_user.id
+        session.add(db_credential)
+        session.commit()
+        session.refresh(db_credential)
+        return db_credential
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e)) from e
+
+
+@router.get("/", response_model=list[CredentialRead], status_code=200)
+def read_credentials(
+    *,
+    session: Session = Depends(get_session),
+    current_user: User = Depends(get_current_active_user),
+):
+    """Read all credentials."""
+    try:
+        credentials = session.query(Credential).filter(Credential.user_id == current_user.id).all()
+        return credentials
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e)) from e
+
+
+@router.patch("/{credential_id}", response_model=CredentialRead, status_code=200)
+def update_credential(
+    *,
+    session: Session = Depends(get_session),
+    credential_id: UUID,
+    credential: CredentialUpdate,
+    current_user: User = Depends(get_current_active_user),
+):
+    """Update a credential."""
+    try:
+        db_credential = (
+            session.query(Credential)
+            .filter(Credential.id == credential_id, Credential.user_id == current_user.id)
+            .first()
+        )
+        if not db_credential:
+            raise HTTPException(status_code=404, detail="Credential not found")
+
+        credential_data = credential.model_dump(exclude_unset=True)
+        for key, value in credential_data.items():
+            setattr(db_credential, key, value)
+        db_credential.updated_at = datetime.utcnow()
+        session.commit()
+        session.refresh(db_credential)
+        return db_credential
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e)) from e