nimforum/utils.nim
2016-01-30 10:21:25 +00:00

97 lines
3.5 KiB
Nim

import asyncdispatch, smtp, strutils, json, os
from times import getTime, getGMTime, format
type
Config* = object
smtpAddress: string
smtpPort: int
smtpUser: string
smtpPassword: string
mlistAddress: string
proc loadConfig*(filename = getCurrentDir() / "forum.json"): Config =
result = Config(smtpAddress: "", smtpPort: 25, smtpUser: "",
smtpPassword: "", mlistAddress: "")
try:
let root = parseFile(filename)
result.smtpAddress = root["smtpAddress"].getStr("")
result.smtpPort = root["smtpPort"].getNum(25).int
result.smtpUser = root["smtpUser"].getStr("")
result.smtpPassword = root["smtpPassword"].getStr("")
result.mlistAddress = root["mlistAddress"].getStr("")
except:
echo("[WARNING] Couldn't read config file: ./forum.json")
proc sendMail(config: Config, subject, message, recipient: string, from_addr = "forum@nim-lang.org", otherHeaders:seq[(string, string)] = @[]) {.async.} =
if config.smtpAddress.len == 0:
echo("[WARNING] Cannot send mail: no smtp server configured (smtpAddress).")
return
var client = newAsyncSmtp(config.smtpAddress, Port(config.smtpPort))
await client.connect()
if config.smtpUser.len > 0:
await client.auth(config.smtpUser, config.smtpPassword)
let toList = @[recipient]
var headers = otherHeaders
headers.add(("From", from_addr))
let encoded = createMessage(subject, message,
toList, @[], headers)
await client.sendMail(from_addr, toList, $encoded)
proc sendMailToMailingList*(config: Config, username, user_email_addr, subject, message: string, thread_id=0, post_id=0, is_reply=false) {.async.} =
# send message to a mailing list
if config.mlistAddress.len == 0:
echo("[WARNING] Cannot send mail: no mlistAddress configured.")
return
let from_addr = "$# <$#>" % [username, user_email_addr]
let date = getTime().getGMTime().format("ddd, d MMM yyyy HH:mm:ss") & " +0000"
var otherHeaders = @[
("Date", date),
("Resent-From", "forum@nim-lang.org"),
("Resent-date", date)
]
if is_reply:
let msg_id = "<forum-id-$#-$#@nim-lang.org>" % [$thread_id, $post_id]
otherHeaders.add(("Message-ID", msg_id))
let references = "<forum-tid-$#@nim-lang.org>" % [$thread_id]
otherHeaders.add(("References", references))
else: # New thread
let msg_id = "<forum-tid-$#@nim-lang.org>" % $thread_id
otherHeaders.add(("Message-ID", msg_id))
await sendMail(config, subject, message, config.mlistAddress, from_addr=from_addr, otherHeaders=otherHeaders)
proc sendPassReset*(config: Config, email, user, resetUrl: string) {.async.} =
let message = """Hello $1,
A password reset has been requested for your account on the Nim Forum.
If you did not make this request, you can safely ignore this email.
A password reset request can be made by anyone, and it does not indicate
that your account is in any danger of being accessed by someone else.
If you do actually want to reset your password, visit this link:
$2
Thank you for being a part of the Nim community!""" % [user, resetUrl]
await sendMail(config, "Nim Forum Password Recovery", message, email)
proc sendEmailActivation*(config: Config, email, user, activateUrl: string) {.async.} =
let message = """Hello $1,
You have recently registered an account on the Nim Forum.
As the final step in your registration, we require that you confirm your email
via the following link:
$2
Thank you for registering and becoming a part of the Nim community!""" % [user, activateUrl]
await sendMail(config, "Nim Forum Account Email Confirmation", message, email)