contentdb/app/blueprints/users/githublogin.py

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# Content DB
# Copyright (C) 2018 rubenwardy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from flask import *
from flask_user import *
from flask_login import login_user, logout_user
from sqlalchemy import func
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import flask_menu as menu
from flask_github import GitHub
from . import bp
from app import github
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from app.models import *
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from app.utils import loginUser
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@bp.route("/user/github/start/")
def github_signin():
return github.authorize("")
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@bp.route("/user/github/callback/")
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@github.authorized_handler
def github_authorized(oauth_token):
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next_url = request.args.get("next")
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if oauth_token is None:
flash("Authorization failed [err=gh-oauth-login-failed]", "danger")
return redirect(url_for("user.login"))
import requests
# Get Github username
url = "https://api.github.com/user"
r = requests.get(url, headers={"Authorization": "token " + oauth_token})
username = r.json()["login"]
# Get user by github username
userByGithub = User.query.filter(func.lower(User.github_username) == func.lower(username)).first()
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# If logged in, connect
if current_user and current_user.is_authenticated:
if userByGithub is None:
current_user.github_username = username
db.session.commit()
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flash("Linked github to account", "success")
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return redirect(url_for("homepage.home"))
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else:
flash("Github account is already associated with another user", "danger")
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return redirect(url_for("homepage.home"))
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# If not logged in, log in
else:
if userByGithub is None:
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flash("Unable to find an account for that Github user", "error")
return redirect(url_for("users.claim"))
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elif loginUser(userByGithub):
if not current_user.hasPassword():
return redirect(next_url or url_for("users.set_password", optional=True))
else:
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return redirect(next_url or url_for("homepage.home"))
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else:
flash("Authorization failed [err=gh-login-failed]", "danger")
return redirect(url_for("user.login"))