Merge pull request #186 from ZeusWPI/feature/microsoft-auth

Add working microsoft login flow

app/app.py

@@ -8,22 +8,22 @@ import typing
 from datetime import datetime
 from logging.handlers import TimedRotatingFileHandler
 
-from admin import init_admin
-from config import Configuration
 from flask import Flask, render_template
 from flask_bootstrap import Bootstrap, StaticCDN
 from flask_debugtoolbar import DebugToolbarExtension
 from flask_login import LoginManager
 from flask_migrate import Migrate, MigrateCommand
-from flask_oauthlib.client import OAuth, OAuthException
 from flask_script import Manager, Server
-from login import init_login
 from markupsafe import Markup
+
+from admin import init_admin
+from auth.login import init_login
+from auth.zeus import init_oauth
+from config import Configuration
 from models import db
 from models.anonymous_user import AnonymouseUser
 from sentry_sdk.integrations.flask import FlaskIntegration
 from utils import euro_string, price_range_string, ignore_none
-from zeus import init_oauth
 
 
 def register_plugins(app: Flask) -> Manager:
@@ -100,18 +100,22 @@ def add_routes(application: Flask) -> None:
     # import views  # TODO convert to blueprint
     # import views.stats  # TODO convert to blueprint
 
-    from login import auth_bp
+    from auth.login import auth_bp
+    from auth.microsoft import auth_microsoft_bp
+    from auth.zeus import auth_zeus_bp
     from views.debug import debug_bp
     from views.general import general_bp
     from views.order import order_bp
     from views.stats import stats_blueprint
-    from zeus import oauth_bp
 
     application.register_blueprint(general_bp, url_prefix="/")
     application.register_blueprint(order_bp, url_prefix="/order")
     application.register_blueprint(stats_blueprint, url_prefix="/stats")
     application.register_blueprint(auth_bp, url_prefix="/")
-    application.register_blueprint(oauth_bp, url_prefix="/")
+    if Configuration.ENABLE_MICROSOFT_AUTH:
+        application.register_blueprint(auth_microsoft_bp,
+                                       url_prefix="/users/auth/microsoft_graph_auth")  # "/auth/microsoft")
+    application.register_blueprint(auth_zeus_bp, url_prefix="/auth/zeus")
 
     if application.debug:
         application.register_blueprint(debug_bp, url_prefix="/debug")
@@ -169,6 +173,10 @@ def create_app():
     add_routes(app)
     add_template_filters(app)
 
+    @app.context_processor
+    def inject_config():
+        return dict(configuration=Configuration)
+
     return app, app_manager
 
 

app/auth/login.py

@@ -1,31 +1,25 @@
-"Script for everything related to logging in and out"
+"""Script for everything related to logging in and out"""
 from flask import Blueprint, abort, redirect, session, url_for
 from flask_login import current_user, logout_user
 from models import User
 from werkzeug.wrappers import Response
-from zeus import zeus_login
 
 auth_bp = Blueprint("auth_bp", __name__)
 
 
 def init_login(app) -> None:
-    "Initialize the login"
+    """Initialize the login"""
+
     # pylint: disable=W0612
     @app.login_manager.user_loader
     def load_user(userid) -> User:
-        "Load the user"
+        """Load the user"""
         return User.query.filter_by(id=userid).first()
 
 
-@auth_bp.route("/login")
-def login():
-    "Function to handle a user trying to log in"
-    return zeus_login()
-
-
 @auth_bp.route("/logout")
 def logout() -> Response:
-    "Function to handle a user trying to log out"
+    """Function to handle a user trying to log out"""
     if "zeus_token" in session:
         session.pop("zeus_token", None)
     logout_user()
@@ -33,6 +27,6 @@ def logout() -> Response:
 
 
 def before_request() -> None:
-    "Function for what has to be done before a request"
+    """Function for what has to be done before a request"""
     if current_user.is_anonymous() or not current_user.is_allowed():
         abort(401)

app/auth/microsoft.py

@@ -0,0 +1,77 @@
+import typing
+
+from flask import Blueprint, url_for, request, redirect, flash, Response
+from flask_login import login_user
+from microsoftgraph.client import Client
+
+from config import Configuration
+from models import User, db
+
+auth_microsoft_bp = Blueprint("auth_microsoft_bp", __name__)
+
+client = Client(Configuration.MICROSOFT_AUTH_ID,
+                Configuration.MICROSOFT_AUTH_SECRET,
+                account_type='common')  # by default common, thus account_type is optional parameter.
+
+
+def microsoft_login():
+    """Log in using Microsoft"""
+    scope = ["openid", "profile", "User.Read", "User.Read.All"]
+    url = client.authorization_url(url_for("auth_microsoft_bp.authorized", _external=True), scope, state=None)
+    return redirect(url)
+
+
+@auth_microsoft_bp.route("/login")
+def login():
+    """Function to handle a user trying to log in"""
+    return microsoft_login()
+
+
+@auth_microsoft_bp.route("callback")  # "/authorized")
+def authorized() -> typing.Any:
+    # type is 'typing.Union[str, Response]', but this errors due to
+    #   https://github.com/python/mypy/issues/7187
+    """Check authorized status"""
+
+    oauth_code = request.args['code']
+
+    resp = client.exchange_code(url_for("auth_microsoft_bp.authorized", _external=True), oauth_code)
+    client.set_token(resp.data)
+
+    resp = client.users.get_me()
+    microsoft_uuid = resp.data['id']
+    username = resp.data['userPrincipalName']
+
+    # Fail if fields are not populated
+    if not microsoft_uuid or not username:
+        flash("You're not allowed to enter, please contact a system administrator")
+        return redirect(url_for("general_bp.home"))
+
+    # Find existing user by Microsoft UUID (userPrincipalName can change)
+    user = User.query.filter_by(microsoft_uuid=microsoft_uuid).first()
+    if user:
+        return login_and_redirect_user(user)
+
+    # Find existing user by username (pre-existing account)
+    user = User.query.filter_by(username=username).first()
+    if user:
+        return login_and_redirect_user(user)
+
+    # No user found, create a new one
+    user = create_user(username, microsoft_uuid=microsoft_uuid)
+    return login_and_redirect_user(user)
+
+
+def login_and_redirect_user(user) -> Response:
+    """Log in the user and then redirect them"""
+    login_user(user)
+    return redirect(url_for("general_bp.home"))
+
+
+def create_user(username, *, microsoft_uuid) -> User:
+    """Create a temporary user if it is needed"""
+    user = User()
+    user.configure(username, False, 1, microsoft_uuid=microsoft_uuid)
+    db.session.add(user)
+    db.session.commit()
+    return user

app/auth/zeus.py

@@ -4,24 +4,30 @@ import typing
 from flask import (Blueprint, current_app, flash, redirect, request, session,
                    url_for)
 from flask_login import login_user
-from flask_oauthlib.client import OAuth, OAuthException
+from flask_oauthlib.client import OAuth, OAuthException, OAuthRemoteApp
 from models import User, db
 from werkzeug.wrappers import Response
 
-oauth_bp = Blueprint("oauth_bp", __name__)
+auth_zeus_bp = Blueprint("auth_zeus_bp", __name__)
 
 
 def zeus_login():
-    "Log in using ZeusWPI"
+    """Log in using ZeusWPI"""
     return current_app.zeus.authorize(
-        callback=url_for("oauth_bp.authorized", _external=True))
+        callback=url_for("auth_zeus_bp.authorized", _external=True))
 
 
-@oauth_bp.route("/login/zeus/authorized")
+@auth_zeus_bp.route("/login")
+def login():
+    """Function to handle a user trying to log in"""
+    return zeus_login()
+
+
+@auth_zeus_bp.route("/authorized")
 def authorized() -> typing.Any:
     # type is 'typing.Union[str, Response]', but this errors due to
     #   https://github.com/python/mypy/issues/7187
-    "Check authorized status"
+    """Check authorized status"""
     resp = current_app.zeus.authorized_response()
     if resp is None:
         # pylint: disable=C0301
@@ -45,8 +51,8 @@ def authorized() -> typing.Any:
     return redirect(url_for("general_bp.home"))
 
 
-def init_oauth(app):
+def init_oauth(app) -> OAuthRemoteApp:
-    "Initialize the OAuth for ZeusWPI"
+    """Initialize the OAuth for ZeusWPI"""
     oauth = OAuth(app)
 
     zeus = oauth.remote_app(
@@ -69,13 +75,13 @@ def init_oauth(app):
 
 
 def login_and_redirect_user(user) -> Response:
-    "Log in the user and then redirect them"
+    """Log in the user and then redirect them"""
     login_user(user)
     return redirect(url_for("general_bp.home"))
 
 
 def create_user(username) -> User:
-    "Create a temporary user if it is needed"
+    """Create a temporary user if it is needed"""
     user = User()
     user.configure(username, False, 1, associations=["zeus"])
     db.session.add(user)

app/config.example.py

@@ -1,4 +1,4 @@
-"An example for a Haldis config"
+"""An example for a Haldis config"""
 # config
 
 
@@ -15,3 +15,7 @@ class Configuration:
     SENTRY_DSN = None
     ZEUS_KEY = "tomtest"
     ZEUS_SECRET = "blargh"
+
+    ENABLE_MICROSOFT_AUTH = False
+    MICROSOFT_AUTH_ID = ""
+    MICROSOFT_AUTH_SECRET = ""

app/hlds/definitions.py

@@ -1,7 +1,6 @@
 # Import this class to load the standard HLDS definitions
-
 import subprocess
-from os import path
+from pathlib import Path
 from typing import List
 
 from .models import Location
@@ -12,10 +11,11 @@ __all__ = ["location_definitions", "location_definition_version"]
 # pylint: disable=invalid-name
 
 # TODO Use proper way to get resources, see https://stackoverflow.com/a/10935674
-DATA_DIR = path.join(path.dirname(__file__), "..", "..", "menus")
+ROOT_DIR = Path(__file__).parent.parent.parent
+DATA_DIR = ROOT_DIR / "menus"
 
-location_definitions: List[Location] = parse_all_directory(DATA_DIR)
+location_definitions: List[Location] = parse_all_directory(str(DATA_DIR))
 location_definitions.sort(key=lambda l: l.name)
 
-proc = subprocess.run(["git", "rev-parse", "HEAD"], stdout=subprocess.PIPE, check=True)
+proc = subprocess.run(["git", "rev-parse", "HEAD"], stdout=subprocess.PIPE, cwd=str(ROOT_DIR), check=True)
 location_definition_version = proc.stdout.decode().strip()

app/models/user.py

@@ -5,12 +5,14 @@ from models import db
 
 
 class User(db.Model):
-    "Class used for configuring the User model in the database"
+    """Class used for configuring the User model in the database"""
     id = db.Column(db.Integer, primary_key=True)
     username = db.Column(db.String(80), unique=True, nullable=False)
     admin = db.Column(db.Boolean)
     bias = db.Column(db.Integer)
-    # Assocation logic
+    # Microsoft OAUTH info
+    microsoft_uuid = db.Column(db.String(120), unique=True)
+    # Association logic
     associations = db.Column(db.String(255), nullable=False, server_default="")
 
     # Relations
@@ -25,13 +27,14 @@ class User(db.Model):
     def association_list(self) -> List[str]:
         return self.associations.split(",")
 
-    def configure(self, username: str, admin: bool, bias: int, associations: Optional[List[str]] = None) -> None:
+    def configure(self, username: str, admin: bool, bias: int, *, microsoft_uuid: str = None, associations: Optional[List[str]] = None) -> None:
         """Configure the User"""
         if associations is None:
             associations = []
         self.username = username
         self.admin = admin
         self.bias = bias
+        self.microsoft_uuid = microsoft_uuid
         self.associations = ",".join(associations)
 
     # pylint: disable=C0111, R0201

app/templates/layout.html

@@ -63,7 +63,8 @@
 	<nav class="navbar navbar-default navbar-fixed-top">
 		<div class="container">
 			<div class="navbar-header">
-				<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+				<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar"
+						aria-expanded="false" aria-controls="navbar">
 					<span class="sr-only">Toggle navigation</span>
 					<span class="icon-bar"></span>
 					<span class="icon-bar"></span>
@@ -81,7 +82,10 @@
 				</ul>
 				<ul class="nav navbar-nav navbar-right">
 					{% if current_user.is_anonymous() %}
-						<li><a href="{{ url_for('auth_bp.login') }}">Login</a></li>
+						{% if configuration.ENABLE_MICROSOFT_AUTH %}
+							<li><a href="{{ url_for('auth_microsoft_bp.login') }}">Login with Microsoft</a></li>
+						{% endif %}
+						<li><a href="{{ url_for('auth_zeus_bp.login') }}">Login with Zeus</a></li>
 					{% else %}
 						<li><a href="{{ url_for('general_bp.profile') }}">{{ current_user.username }}</a></li>
 						<li><a href="{{ url_for('auth_bp.logout') }}">Logout</a></li>

first-setup.sh

@@ -12,7 +12,7 @@ E="${normal}"
 if [ ! -d "venv" ]; then
 	PYTHON_VERSION=$(cat .python-version)
 	echo -e "${B} No venv found, creating a new one with version ${PYTHON_VERSION} ${E}"
-	python3 -m virtualenv -p $PYTHON_VERSION venv
+	python3 -m virtualenv -p "$PYTHON_VERSION" venv
 fi
 source venv/bin/activate
 

requirements.in

@@ -12,4 +12,5 @@ black
 pymysql
 pyyaml
 tatsu<5.6 # >=5.6 needs Python >=3.8
+microsoftgraph-python
 sentry-sdk[flask]

requirements.txt

@@ -79,6 +79,8 @@ markupsafe==2.0.1
     #   jinja2
     #   mako
     #   wtforms
+microsoftgraph-python==1.1.3
+    # via -r requirements.in
 mypy-extensions==0.4.3
     # via black
 oauthlib==2.1.0
@@ -98,7 +100,9 @@ pyyaml==5.4.1
 regex==2021.4.4
     # via black
 requests==2.25.1
-    # via requests-oauthlib
+    # via
+    #   microsoftgraph-python
+    #   requests-oauthlib
 requests-oauthlib==1.1.0
     # via flask-oauthlib
 sentry-sdk[flask]==1.10.1