add login with google
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parent
10b0538192
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@ -7,4 +7,5 @@ from .views import (
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reset_password,
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forgot_password,
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github,
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google,
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)
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@ -78,6 +78,10 @@
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<a href="{{ url_for('auth.github_login') }}" class="btn btn-block btn-social btn-github">
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<i class="fa fa-github"></i> Sign in with Github
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</a>
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<a href="{{ url_for('auth.google_login') }}" class="btn btn-block btn-social btn-google">
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<i class="fa fa-google"></i> Sign in with Google
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</a>
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</div>
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</div>
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@ -67,6 +67,11 @@
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<a href="{{ url_for('auth.github_login') }}" class="btn btn-block btn-social btn-github">
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<i class="fa fa-github"></i> Sign up with Github
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</a>
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<a href="{{ url_for('auth.google_login') }}" class="btn btn-block btn-social btn-google">
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<i class="fa fa-google"></i> Sign up with Google
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</a>
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</div>
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</div>
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</div>
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</div>
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127
app/auth/views/google.py
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127
app/auth/views/google.py
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@ -0,0 +1,127 @@
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import arrow
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from flask import request, session, redirect, url_for, flash
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from flask_login import login_user
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from requests_oauthlib import OAuth2Session
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from app import s3
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from app.auth.base import auth_bp
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from app.config import URL, GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET
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from app.email_utils import notify_admin
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from app.extensions import db
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from app.log import LOG
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from app.models import User, File
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from app.utils import random_string
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authorization_base_url = "https://accounts.google.com/o/oauth2/v2/auth"
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token_url = "https://www.googleapis.com/oauth2/v4/token"
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scope = [
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"https://www.googleapis.com/auth/userinfo.email",
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"https://www.googleapis.com/auth/userinfo.profile",
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"openid",
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]
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# need to set explicitly redirect_uri instead of leaving the lib to pre-fill redirect_uri
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# when served behind nginx, the redirect_uri is localhost... and not the real url
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redirect_uri = URL + "/auth/google/callback"
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@auth_bp.route("/google/login")
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def google_login():
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# to avoid flask-login displaying the login error message
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session.pop("_flashes", None)
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google = OAuth2Session(GOOGLE_CLIENT_ID, scope=scope, redirect_uri=redirect_uri)
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authorization_url, state = google.authorization_url(authorization_base_url)
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# State is used to prevent CSRF, keep this for later.
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session["oauth_state"] = state
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return redirect(authorization_url)
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@auth_bp.route("/google/callback")
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def google_callback():
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google = OAuth2Session(
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GOOGLE_CLIENT_ID,
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state=session["oauth_state"],
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scope=scope,
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redirect_uri=redirect_uri,
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)
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token = google.fetch_token(
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token_url,
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client_secret=GOOGLE_CLIENT_SECRET,
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authorization_response=request.url,
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)
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# Fetch a protected resource, i.e. user profile
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# {
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# "email": "abcd@gmail.com",
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# "family_name": "First name",
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# "given_name": "Last name",
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# "id": "1234",
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# "locale": "en",
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# "name": "First Last",
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# "picture": "http://profile.jpg",
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# "verified_email": true
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# }
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google_user_data = google.get(
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"https://www.googleapis.com/oauth2/v1/userinfo"
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).json()
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email = google_user_data["email"]
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user = User.get_by(email=email)
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picture_url = google_user_data.get("picture")
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if user:
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if picture_url and not user.profile_picture_id:
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LOG.d("set user profile picture to %s", picture_url)
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file = create_file_from_url(picture_url)
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user.profile_picture_id = file.id
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db.session.commit()
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login_user(user)
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# create user
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else:
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LOG.d("create google user with %s", google_user_data)
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user = User.create(email=email, name=google_user_data["name"])
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# set a random password
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user.set_password(random_string(20))
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user.activated = True
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if picture_url:
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LOG.d("set user profile picture to %s", picture_url)
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file = create_file_from_url(picture_url)
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user.profile_picture_id = file.id
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db.session.commit()
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login_user(user)
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flash(f"Welcome to SimpleLogin {user.name}!", "success")
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notify_admin(
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f"new user signs up {user.email}", f"{user.name} signs up at {arrow.now()}"
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)
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# The activation link contains the original page, for ex authorize page
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if "next" in request.args:
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next_url = request.args.get("next")
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LOG.debug("redirect user to %s", next_url)
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return redirect(next_url)
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else:
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LOG.debug("redirect user to dashboard")
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return redirect(url_for("dashboard.index"))
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def create_file_from_url(url) -> File:
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file_path = random_string(30)
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file = File.create(path=file_path)
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s3.upload_from_url(url, file_path)
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db.session.flush()
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LOG.d("upload file %s to s3", file)
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return file
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@ -1,6 +1,7 @@
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from io import BytesIO
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import boto3
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import requests
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from app.config import AWS_REGION, BUCKET, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY
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@ -18,6 +19,11 @@ def upload_from_bytesio(key: str, bs: BytesIO, content_type="string") -> None:
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)
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def upload_from_url(url: str, upload_path):
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r = requests.get(url)
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upload_from_bytesio(upload_path, BytesIO(r.content))
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def delete_file(key: str) -> None:
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o = session.resource("s3").Bucket(BUCKET).Object(key)
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o.delete()
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