Email confirmations added

extensions/security.py

@@ -1,9 +1,16 @@
-from datetime import timedelta
-from modules.database import col_users
+from datetime import datetime, timedelta
+from modules.database import col_users, col_albums, col_photos, col_emails, col_videos, col_emails, col_tokens
 from modules.app import app
+from modules.utils import configGet, logWrite
+from modules.scheduler import scheduler
+from modules.mailer import mail_sender
 
-from fastapi import Depends, HTTPException, Response
-from starlette.status import HTTP_204_NO_CONTENT
+from uuid import uuid1
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+from fastapi import Depends, HTTPException
+from fastapi.responses import Response, UJSONResponse
+from starlette.status import HTTP_204_NO_CONTENT, HTTP_400_BAD_REQUEST, HTTP_406_NOT_ACCEPTABLE
 from fastapi.security import (
     OAuth2PasswordRequestForm,
 )
@@ -15,15 +22,30 @@ from modules.security import (
     authenticate_user,
     create_access_token,
     get_current_active_user,
-    get_password_hash
+    get_password_hash,
+    get_user,
+    verify_password
 )
 
 
+async def send_confirmation(user: str, email: str):
+    confirmation_code = str(uuid1())
+    try:
+        mail_sender.sendmail(
+            from_addr=configGet("sender", "mailer", "smtp"),
+            to_addrs=email,
+            msg=f'From: {configGet("sender", "mailer", "smtp")}\nSubject: Email confirmation\n\n'+configGet("message", "mailer", "messages", "registration_confirmation").format(configGet("external_address")+f"/users/{user}/confirm?code={confirmation_code}")
+        )
+        col_emails.insert_one( {"user": user, "email": email, "used": False, "code": confirmation_code} )
+    except Exception as exp:
+        logWrite(f"Could not send confirmation email to '{email}' due to: {exp}")
+
+
 @app.post("/token", response_model=Token)
 async def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends()):
     user = authenticate_user(form_data.username, form_data.password)
     if not user:
-        raise HTTPException(status_code=400, detail="Incorrect user or password")
+        raise HTTPException(status_code=400, detail=configGet("credentials_invalid", "messages"))
     access_token_expires = timedelta(days=ACCESS_TOKEN_EXPIRE_DAYS)
     access_token = create_access_token(
         data={"sub": user.user, "scopes": form_data.scopes},
@@ -37,19 +59,37 @@ async def read_users_me(current_user: User = Depends(get_current_active_user)):
     return current_user
 
 
-@app.post("/users", response_class=Response)
-async def create_users(user: str, email: str, password: str):
-    col_users.insert_one( {"user": user, "email": email, "hash": get_password_hash(password), "disabled": True} )
-    return Response(status_code=HTTP_204_NO_CONTENT)
+if configGet("registration_requires_confirmation") is True:
+    @app.get("/users/{user}/confirm")
+    @app.patch("/users/{user}/confirm")
+    async def confirm_users(user: str, code: str):
+        confirm_record = col_emails.find_one( {"user": user, "code": code, "used": False} )
+        if confirm_record is None:
+            return HTTPException(HTTP_400_BAD_REQUEST, detail=configGet("email_code_invalid", "messages"))
+        col_emails.find_one_and_update( {"_id": confirm_record["_id"]}, {"$set": {"used": True}} )
+        col_users.find_one_and_update( {"user": confirm_record["user"]}, {"$set": {"disabled": False}} )
+        return UJSONResponse( {"detail": configGet("email_confirmed", "messages")} )
+
+if configGet("registration_enabled") is True:
+    @app.post("/users")
+    async def create_users(user: str, email: str, password: str):
+        if col_users.find_one( {"user": user} ) is not None:
+            return HTTPException(HTTP_406_NOT_ACCEPTABLE, detail=configGet("user_already_exists", "messages"))
+        col_users.insert_one( {"user": user, "email": email, "hash": get_password_hash(password), "disabled": configGet("registration_requires_confirmation")} )
+        if configGet("registration_requires_confirmation") is True:
+            scheduler.add_job( send_confirmation, trigger="date", run_date=datetime.now()+timedelta(seconds=1), kwargs={"user": user, "email": email} )
+        return Response(status_code=HTTP_204_NO_CONTENT)
 
 
-# @app.get("/users/me/items/")
-# async def read_own_items(
-#     current_user: User = Security(get_current_active_user, scopes=["items"])
-# ):
-#     return [{"item_id": "Foo", "owner": current_user.user}]
-
-
-# @app.get("/status/")
-# async def read_system_status(current_user: User = Depends(get_current_user)):
-#     return {"status": "ok"}
+@app.delete("/users/me/")
+async def delete_users(password: str, current_user: User = Depends(get_current_active_user)):
+    user = get_user(current_user.user)
+    if not user:
+        return False
+    if not verify_password(password, user.hash):
+        return HTTPException(HTTP_400_BAD_REQUEST, detail=configGet("credentials_invalid", "messages"))
+    col_users.delete_many( {"user": current_user.user} )
+    col_emails.delete_many( {"user": current_user.user} )
+    col_photos.delete_many( {"user": current_user.user} )
+    col_videos.delete_many( {"user": current_user.user} )
+    col_albums.delete_many( {"user": current_user.user} )