blacken
parent
fb48a67ac1
commit
bd6ec1ddc3
223
auth.py
223
auth.py
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@ -8,8 +8,13 @@ from cached_property import cached_property
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import flask
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from flask import Flask, render_template, make_response, flash, redirect, url_for
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from flask_oauthlib.provider import OAuth2Provider
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from flask_login import LoginManager, login_user, logout_user, \
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login_required, current_user
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from flask_login import (
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LoginManager,
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login_user,
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logout_user,
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login_required,
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current_user,
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)
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from flask_sqlalchemy import SQLAlchemy
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from flask_wtf import FlaskForm
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from wtforms import StringField, PasswordField, BooleanField
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@ -17,14 +22,17 @@ from wtforms.validators import DataRequired
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import requests
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logging.basicConfig(level=logging.DEBUG, format='[%(asctime)-15s] %(name)-10s %(levelname)7s: %(message)s')
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app = Flask('auth')
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logging.basicConfig(
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level=logging.DEBUG,
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format="[%(asctime)-15s] %(name)-10s %(levelname)7s: %(message)s",
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)
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app = Flask("auth")
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app.config.from_object(__name__)
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app.config.from_pyfile('auth.cfg')
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app.config.from_pyfile("auth.cfg")
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oauth = OAuth2Provider(app)
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login_manager = LoginManager()
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login_manager.init_app(app)
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login_manager.login_view = '/login'
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login_manager.login_view = "/login"
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db = SQLAlchemy(app)
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@ -35,8 +43,7 @@ class Client(db.Model):
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description = db.Column(db.String(400))
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client_id = db.Column(db.String(40), primary_key=True)
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client_secret = db.Column(db.String(55), unique=True, index=True,
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nullable=False)
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client_secret = db.Column(db.String(55), unique=True, index=True, nullable=False)
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# public or confidential
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is_confidential = db.Column(db.Boolean)
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@ -51,8 +58,8 @@ class Client(db.Model):
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@property
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def client_type(self):
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if self.is_confidential:
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return 'confidential'
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return 'public'
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return "confidential"
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return "public"
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@property
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def redirect_uris(self):
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@ -71,8 +78,12 @@ class Client(db.Model):
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return []
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def validate_scopes(self, scopes):
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return {'profile:read', 'profile:write', 'password:write', \
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'users:read'}.issuperset(scopes)
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return {
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"profile:read",
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"profile:write",
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"password:write",
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"users:read",
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}.issuperset(scopes)
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class Grant(db.Model):
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@ -81,10 +92,9 @@ class Grant(db.Model):
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user = db.Column(db.String(40), nullable=False)
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client_id = db.Column(
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db.String(40), db.ForeignKey('client.client_id'),
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nullable=False,
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db.String(40), db.ForeignKey("client.client_id"), nullable=False
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)
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client = db.relationship('Client')
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client = db.relationship("Client")
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code = db.Column(db.String(255), index=True, nullable=False)
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@ -108,14 +118,11 @@ class Grant(db.Model):
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class Token(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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client_id = db.Column(
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db.String(40), db.ForeignKey('client.client_id'),
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nullable=False,
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db.String(40), db.ForeignKey("client.client_id"), nullable=False
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)
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client = db.relationship('Client')
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client = db.relationship("Client")
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user = db.Column(
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db.String(40), nullable=False
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)
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user = db.Column(db.String(40), nullable=False)
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# currently only bearer is supported
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token_type = db.Column(db.String(40))
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@ -138,22 +145,22 @@ class Token(db.Model):
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def connect_to_ldap():
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conn = ldap.initialize(app.config['LDAP_URL'])
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conn = ldap.initialize(app.config["LDAP_URL"])
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conn.start_tls_s()
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conn.simple_bind(app.config['LDAP_BIND_DN'], app.config['LDAP_BIND_PASSWORD'])
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conn.simple_bind(app.config["LDAP_BIND_DN"], app.config["LDAP_BIND_PASSWORD"])
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return conn
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def check_credentials(username, password):
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conn = ldap.initialize(app.config['LDAP_URL'])
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conn = ldap.initialize(app.config["LDAP_URL"])
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conn.start_tls_s()
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try:
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conn.simple_bind_s(app.config['DN_STRING'] % username, password)
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conn.simple_bind_s(app.config["DN_STRING"] % username, password)
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return True
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except ldap.LDAPError:
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return False
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@oauth.clientgetter
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def load_client(client_id):
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return Client.query.filter_by(client_id=client_id).first()
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@ -170,11 +177,11 @@ def save_grant(client_id, code, request, *args, **kwargs):
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expires = datetime.utcnow() + timedelta(seconds=100)
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grant = Grant(
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client_id=client_id,
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code=code['code'],
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code=code["code"],
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redirect_uri=request.redirect_uri,
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_scopes=' '.join(request.scopes),
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_scopes=" ".join(request.scopes),
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user=current_user.username,
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expires=expires
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expires=expires,
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)
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db.session.add(grant)
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db.session.commit()
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@ -191,20 +198,19 @@ def load_token(access_token=None, refresh_token=None):
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@oauth.tokensetter
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def save_token(token, request, *args, **kwargs):
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toks = Token.query.filter_by(client_id=request.client.client_id,
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user=request.user)
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toks = Token.query.filter_by(client_id=request.client.client_id, user=request.user)
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# make sure that every client has only one token connected to a user
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for t in toks:
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db.session.delete(t)
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expires_in = token.get('expires_in')
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expires_in = token.get("expires_in")
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expires = datetime.utcnow() + timedelta(seconds=expires_in)
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tok = Token(
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access_token=token['access_token'],
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refresh_token=token.get('refresh_token'),
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token_type=token['token_type'],
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_scopes=token['scope'],
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access_token=token["access_token"],
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refresh_token=token.get("refresh_token"),
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token_type=token["token_type"],
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_scopes=token["scope"],
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expires=expires,
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client_id=request.client.client_id,
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user=request.user,
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@ -214,31 +220,31 @@ def save_token(token, request, *args, **kwargs):
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return tok
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@app.route('/oauth/authorize', methods=['GET', 'POST'])
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@app.route("/oauth/authorize", methods=["GET", "POST"])
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@login_required
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@oauth.authorize_handler
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def authorize(*args, **kwargs):
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form = FlaskForm()
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if Token.query.filter(
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Token.client_id == kwargs.get('client_id'),
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Token.user == current_user.username).count():
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Token.client_id == kwargs.get("client_id"), Token.user == current_user.username
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).count():
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# User has unrevoked token already - grant by default
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return True
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if not form.validate_on_submit():
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client_id = kwargs.get('client_id')
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client_id = kwargs.get("client_id")
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client = Client.query.filter_by(client_id=client_id).first()
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kwargs['client'] = client
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kwargs['user'] = current_user
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kwargs['form'] = form
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return render_template('oauthorize.html', **kwargs)
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kwargs["client"] = client
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kwargs["user"] = current_user
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kwargs["form"] = form
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return render_template("oauthorize.html", **kwargs)
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confirm = flask.request.form.get('confirm', 'no')
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return confirm == 'yes'
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confirm = flask.request.form.get("confirm", "no")
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return confirm == "yes"
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@app.route('/oauth/token', methods=['GET', 'POST'])
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@app.route("/oauth/token", methods=["GET", "POST"])
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@oauth.token_handler
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def access_token():
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return None
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@ -246,37 +252,39 @@ def access_token():
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class LDAPUserProxy(object):
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def __init__(self, username):
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self.username = re.sub(app.config['STRIP_RE'], '', username)
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self.username = re.sub(app.config["STRIP_RE"], "", username)
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self.is_authenticated = True
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self.is_anonymous = False
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conn = connect_to_ldap()
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res = conn.search_s(app.config['PEOPLE_BASEDN'], ldap.SCOPE_SUBTREE,
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app.config['UID_LDAP_FILTER'] % self.username)
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res = conn.search_s(
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app.config["PEOPLE_BASEDN"],
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ldap.SCOPE_SUBTREE,
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app.config["UID_LDAP_FILTER"] % self.username,
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)
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if len(res) != 1:
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raise Exception('No such username.')
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raise Exception("No such username.")
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dn, data = res[0]
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self.username = data.get('uid', [None,])[0]
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self.gecos = data.get('gecos', [None, ])[0]
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self.mifare_hashes = data.get('mifareIDHash', [])
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self.phone = data.get('mobile', [None, ])[0]
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self.personal_email = data.get('mailRoutingAddress', [])
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self.username = data.get("uid", [None])[0]
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self.gecos = data.get("gecos", [None])[0]
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self.mifare_hashes = data.get("mifareIDHash", [])
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self.phone = data.get("mobile", [None])[0]
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self.personal_email = data.get("mailRoutingAddress", [])
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def __repr__(self):
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active = 'active' if self.is_active else 'inactive'
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return '<LDAPUserProxy {}, {}>'.format(self.username, active)
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active = "active" if self.is_active else "inactive"
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return "<LDAPUserProxy {}, {}>".format(self.username, active)
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@property
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def email(self):
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return self.username + '@hackerspace.pl'
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return self.username + "@hackerspace.pl"
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@cached_property
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def is_active(self):
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url = 'https://kasownik.hackerspace.pl/api/judgement/{}.json'
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url = "https://kasownik.hackerspace.pl/api/judgement/{}.json"
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try:
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r = requests.get(url.format(self.username))
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return bool(r.json()['content'])
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return bool(r.json()["content"])
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except Exception as e:
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logging.error("When getting data from Kasownik: {}".format(e))
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# Fail-safe.
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@cached_property
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def is_staff(self):
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url = 'https://capacifier.hackerspace.pl/staff/{}'
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url = "https://capacifier.hackerspace.pl/staff/{}"
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try:
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r = requests.get(url.format(self.username))
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return 'YES' in r.text
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return "YES" in r.text
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except Exception as e:
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logging.error("When getting data from Capacifier: {}".format(e))
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return False
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@ -297,53 +305,58 @@ class LDAPUserProxy(object):
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class LoginForm(FlaskForm):
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username = StringField('username', validators=[DataRequired()])
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password = PasswordField('password', validators=[DataRequired()])
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remember = BooleanField('remember me')
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username = StringField("username", validators=[DataRequired()])
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password = PasswordField("password", validators=[DataRequired()])
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remember = BooleanField("remember me")
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@app.route('/')
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@app.route('/profile')
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@app.route("/")
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@app.route("/profile")
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@login_required
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def profile():
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return render_template('profile.html', tokens=Token.query.filter(Token.user == current_user.username))
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return render_template(
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"profile.html", tokens=Token.query.filter(Token.user == current_user.username)
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)
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@app.route('/token/<int:id>/revoke', methods=['POST'])
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@app.route("/token/<int:id>/revoke", methods=["POST"])
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@login_required
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def token_revoke(id):
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token = Token.query.filter(Token.user == current_user.username, Token.id == id).first()
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token = Token.query.filter(
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Token.user == current_user.username, Token.id == id
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).first()
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if not token:
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flask.abort(404)
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token.delete()
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return redirect('/')
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return redirect("/")
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@app.route('/login', methods=['GET', 'POST'])
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@app.route("/login", methods=["GET", "POST"])
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def login():
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form = LoginForm()
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next = flask.request.args.get('next')
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next = flask.request.args.get("next")
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if form.validate_on_submit():
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username, password = form.data['username'], form.data['password']
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username, password = form.data["username"], form.data["password"]
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if not check_credentials(username, password):
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flash('Invalid username or password')
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return render_template('login_oauth.html', form=form, next=next)
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flash("Invalid username or password")
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return render_template("login_oauth.html", form=form, next=next)
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user = LDAPUserProxy(username)
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if not user.is_active:
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flash('User inactive - have you paid your membership fees?')
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return render_template('login_oauth.html', form=form, next=next)
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flash("User inactive - have you paid your membership fees?")
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return render_template("login_oauth.html", form=form, next=next)
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login_user(user, form.data['remember'])
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flash('Logged in successfully.')
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login_user(user, form.data["remember"])
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flash("Logged in successfully.")
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return redirect(next or url_for('profile'))
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return redirect(next or url_for("profile"))
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return render_template('login_oauth.html', form=form, next=next)
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return render_template("login_oauth.html", form=form, next=next)
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@app.route('/logout')
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@app.route("/logout")
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def logout():
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logout_user()
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return redirect('/')
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return redirect("/")
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@login_manager.user_loader
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@ -352,29 +365,39 @@ def load_user(user_id):
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# HSWAW specific endpoint
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@app.route('/api/profile')
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@app.route('/api/1/profile')
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@oauth.require_oauth('profile:read')
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@app.route("/api/profile")
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@app.route("/api/1/profile")
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@oauth.require_oauth("profile:read")
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def api_profile():
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user = LDAPUserProxy(flask.request.oauth.user)
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return flask.jsonify(
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email=user.email, username=user.username,
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gecos=user.gecos, phone=user.phone,
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personal_email=user.personal_email)
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email=user.email,
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username=user.username,
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gecos=user.gecos,
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phone=user.phone,
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personal_email=user.personal_email,
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)
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# OpenIDConnect userinfo
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@app.route('/api/1/userinfo')
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@oauth.require_oauth('profile:read')
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@app.route("/api/1/userinfo")
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@oauth.require_oauth("profile:read")
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def api_userinfo():
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user = LDAPUserProxy(flask.request.oauth.user)
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groups = []
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if user.is_staff:
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groups.append('staff')
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return flask.jsonify(sub=user.username, name=user.gecos, email=user.email,
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preferred_username=user.username, nickname=user.username,
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user_name=user.username, user_id=user.username, groups=groups)
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groups.append("staff")
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return flask.jsonify(
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sub=user.username,
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name=user.gecos,
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email=user.email,
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preferred_username=user.username,
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nickname=user.username,
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user_name=user.username,
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user_id=user.username,
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groups=groups,
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)
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if __name__ == '__main__':
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app.run('0.0.0.0', 8082, debug=True)
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if __name__ == "__main__":
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app.run("0.0.0.0", 8082, debug=True)
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