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import os
import unittest
from flask import Flask
from flask import jsonify
from flask import request
from flask_sqlalchemy import SQLAlchemy
from authlib.common.urls import url_encode
from authlib.integrations.flask_oauth1 import AuthorizationServer
from authlib.integrations.flask_oauth1 import ResourceProtector
from authlib.integrations.flask_oauth1 import (
create_exists_nonce_func as create_cache_exists_nonce_func,
)
from authlib.integrations.flask_oauth1 import current_credential
from authlib.integrations.flask_oauth1 import register_nonce_hooks
from authlib.integrations.flask_oauth1 import register_temporary_credential_hooks
from authlib.oauth1 import ClientMixin
from authlib.oauth1 import TemporaryCredentialMixin
from authlib.oauth1 import TokenCredentialMixin
from authlib.oauth1.errors import OAuth1Error
from tests.util import read_file_path
from ..cache import SimpleCache
db = SQLAlchemy()
class User(db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(40), unique=True, nullable=False)
def get_user_id(self):
return self.id
class Client(ClientMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
client_id = db.Column(db.String(48), index=True)
client_secret = db.Column(db.String(120), nullable=False)
default_redirect_uri = db.Column(db.Text, nullable=False, default="")
user_id = db.Column(db.Integer, db.ForeignKey("user.id", ondelete="CASCADE"))
user = db.relationship("User")
def get_default_redirect_uri(self):
return self.default_redirect_uri
def get_client_secret(self):
return self.client_secret
def get_rsa_public_key(self):
return read_file_path("rsa_public.pem")
class TokenCredential(TokenCredentialMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey("user.id", ondelete="CASCADE"))
user = db.relationship("User")
client_id = db.Column(db.String(48), index=True)
oauth_token = db.Column(db.String(84), unique=True, index=True)
oauth_token_secret = db.Column(db.String(84))
def get_oauth_token(self):
return self.oauth_token
def get_oauth_token_secret(self):
return self.oauth_token_secret
class TemporaryCredential(TemporaryCredentialMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey("user.id", ondelete="CASCADE"))
user = db.relationship("User")
client_id = db.Column(db.String(48), index=True)
oauth_token = db.Column(db.String(84), unique=True, index=True)
oauth_token_secret = db.Column(db.String(84))
oauth_verifier = db.Column(db.String(84))
oauth_callback = db.Column(db.Text, default="")
def get_user_id(self):
return self.user_id
def get_client_id(self):
return self.client_id
def get_redirect_uri(self):
return self.oauth_callback
def check_verifier(self, verifier):
return self.oauth_verifier == verifier
def get_oauth_token(self):
return self.oauth_token
def get_oauth_token_secret(self):
return self.oauth_token_secret
class TimestampNonce(db.Model):
__table_args__ = (
db.UniqueConstraint(
"client_id", "timestamp", "nonce", "oauth_token", name="unique_nonce"
),
)
id = db.Column(db.Integer, primary_key=True)
client_id = db.Column(db.String(48), nullable=False)
timestamp = db.Column(db.Integer, nullable=False)
nonce = db.Column(db.String(48), nullable=False)
oauth_token = db.Column(db.String(84))
def exists_nonce(nonce, timestamp, client_id, oauth_token):
q = TimestampNonce.query.filter_by(
nonce=nonce,
timestamp=timestamp,
client_id=client_id,
)
if oauth_token:
q = q.filter_by(oauth_token=oauth_token)
rv = q.first()
if rv:
return True
item = TimestampNonce(
nonce=nonce,
timestamp=timestamp,
client_id=client_id,
oauth_token=oauth_token,
)
db.session.add(item)
db.session.commit()
return False
def create_temporary_credential(token, client_id, redirect_uri):
item = TemporaryCredential(
client_id=client_id,
oauth_token=token["oauth_token"],
oauth_token_secret=token["oauth_token_secret"],
oauth_callback=redirect_uri,
)
db.session.add(item)
db.session.commit()
return item
def get_temporary_credential(oauth_token):
return TemporaryCredential.query.filter_by(oauth_token=oauth_token).first()
def delete_temporary_credential(oauth_token):
q = TemporaryCredential.query.filter_by(oauth_token=oauth_token)
q.delete(synchronize_session=False)
db.session.commit()
def create_authorization_verifier(credential, grant_user, verifier):
credential.user_id = grant_user.id # assuming your end user model has `.id`
credential.oauth_verifier = verifier
db.session.add(credential)
db.session.commit()
return credential
def create_token_credential(token, temporary_credential):
credential = TokenCredential(
oauth_token=token["oauth_token"],
oauth_token_secret=token["oauth_token_secret"],
client_id=temporary_credential.get_client_id(),
)
credential.user_id = temporary_credential.get_user_id()
db.session.add(credential)
db.session.commit()
return credential
def create_authorization_server(app, use_cache=False, lazy=False):
def query_client(client_id):
return Client.query.filter_by(client_id=client_id).first()
if lazy:
server = AuthorizationServer()
server.init_app(app, query_client)
else:
server = AuthorizationServer(app, query_client=query_client)
if use_cache:
cache = SimpleCache()
register_nonce_hooks(server, cache)
register_temporary_credential_hooks(server, cache)
server.register_hook("create_token_credential", create_token_credential)
else:
server.register_hook("exists_nonce", exists_nonce)
server.register_hook("create_temporary_credential", create_temporary_credential)
server.register_hook("get_temporary_credential", get_temporary_credential)
server.register_hook("delete_temporary_credential", delete_temporary_credential)
server.register_hook(
"create_authorization_verifier", create_authorization_verifier
)
server.register_hook("create_token_credential", create_token_credential)
@app.route("/oauth/initiate", methods=["GET", "POST"])
def initiate():
return server.create_temporary_credentials_response()
@app.route("/oauth/authorize", methods=["GET", "POST"])
def authorize():
if request.method == "GET":
try:
server.check_authorization_request()
return "ok"
except OAuth1Error:
return "error"
user_id = request.form.get("user_id")
if user_id:
grant_user = db.session.get(User, int(user_id))
else:
grant_user = None
try:
return server.create_authorization_response(grant_user=grant_user)
except OAuth1Error as error:
return url_encode(error.get_body())
@app.route("/oauth/token", methods=["POST"])
def issue_token():
return server.create_token_response()
return server
def create_resource_server(app, use_cache=False, lazy=False):
if use_cache:
cache = SimpleCache()
exists_nonce = create_cache_exists_nonce_func(cache)
else:
def exists_nonce(nonce, timestamp, client_id, oauth_token):
q = db.session.query(TimestampNonce.nonce).filter_by(
nonce=nonce,
timestamp=timestamp,
client_id=client_id,
)
if oauth_token:
q = q.filter_by(oauth_token=oauth_token)
rv = q.first()
if rv:
return True
tn = TimestampNonce(
nonce=nonce,
timestamp=timestamp,
client_id=client_id,
oauth_token=oauth_token,
)
db.session.add(tn)
db.session.commit()
return False
def query_client(client_id):
return Client.query.filter_by(client_id=client_id).first()
def query_token(client_id, oauth_token):
return TokenCredential.query.filter_by(
client_id=client_id, oauth_token=oauth_token
).first()
if lazy:
require_oauth = ResourceProtector()
require_oauth.init_app(app, query_client, query_token, exists_nonce)
else:
require_oauth = ResourceProtector(app, query_client, query_token, exists_nonce)
@app.route("/user")
@require_oauth()
def user_profile():
user = current_credential.user
return jsonify(id=user.id, username=user.username)
def create_flask_app():
app = Flask(__name__)
app.debug = True
app.testing = True
app.secret_key = "testing"
app.config.update(
{
"OAUTH1_SUPPORTED_SIGNATURE_METHODS": [
"PLAINTEXT",
"HMAC-SHA1",
"RSA-SHA1",
],
"SQLALCHEMY_TRACK_MODIFICATIONS": False,
"SQLALCHEMY_DATABASE_URI": "sqlite://",
}
)
return app
class TestCase(unittest.TestCase):
def setUp(self):
os.environ["AUTHLIB_INSECURE_TRANSPORT"] = "true"
app = create_flask_app()
self._ctx = app.app_context()
self._ctx.push()
db.init_app(app)
db.create_all()
self.app = app
self.client = app.test_client()
def tearDown(self):
db.drop_all()
self._ctx.pop()
os.environ.pop("AUTHLIB_INSECURE_TRANSPORT")
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