Add Github login

1 files changed, 100 insertions, 0 deletions

diff --git a/app/views/githublogin.py b/app/views/githublogin.py
new file mode 100644
index 0000000..327fa8e
--- /dev/null
+++ b/app/views/githublogin.py
@@ -0,0 +1,100 @@
+from flask import *
+from flask_user import *
+from flask_login import login_user, logout_user
+import flask_menu as menu
+from flask_github import GitHub
+from app import app, github
+from app.models import *
+
+
+@app.route('/user/github/start/')
+def github_signin_page():
+	return github.authorize("public_repo,repo")
+
+
+def _do_login_user(user, remember_me=False):
+	def _call_or_get(v):
+		if callable(v):
+			return v()
+		else:
+			return v
+
+	# User must have been authenticated
+	if not user:
+		return False
+
+	user.active = True
+	db.session.commit()
+
+	# Check if user account has been disabled
+	if not _call_or_get(user.is_active):
+		flash('Your account has not been enabled.', 'error')
+		return False
+
+	# Check if user has a confirmed email address
+	user_manager = current_app.user_manager
+	if user_manager.enable_email and user_manager.enable_confirm_email \
+			and not current_app.user_manager.enable_login_without_confirm_email \
+			and not user.has_confirmed_email():
+		url = url_for('user.resend_confirm_email')
+		flash("Your email address has not yet been confirmed", 'error')
+		return False
+
+	# Use Flask-Login to sign in user
+	login_user(user, remember=remember_me)
+	signals.user_logged_in.send(current_app._get_current_object(), user=user)
+
+	flash('You have signed in successfully.', 'success')
+
+	return True
+
+
+
+def _login_user(user):
+	user_mixin = None
+	if user_manager.enable_username:
+		user_mixin = user_manager.find_user_by_username(user.username)
+
+	return _do_login_user(user_mixin, False)
+
+
+
+@app.route('/user/github/callback/')
+@github.authorized_handler
+def github_authorized(oauth_token):
+	next_url = request.args.get('next')
+	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_by(github_username=username).first()
+
+	# If logged in, connect
+	if current_user and current_user.is_authenticated:
+		if userByGithub is None:
+			current_user.github_username = username
+			db.session.add(auth)
+			db.session.commit()
+			return redirect(url_for("gitAccount", id=auth.id))
+		else:
+			flash("Github account is already associated with another user", "danger")
+			return redirect(url_for("home_page"))
+
+	# If not logged in, log in
+	else:
+		if userByGithub is None:
+			flash("Authorization failed [err=gh-no-such-account]", "danger")
+			return redirect(url_for("user.login"))
+		elif _login_user(userByGithub):
+			return redirect(next_url or url_for("home_page"))
+		else:
+			flash("Authorization failed [err=gh-login-failed]", "danger")
+			return redirect(url_for("user.login"))