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Provide route decorators for Google App Engine users

Project description

Flask Google App Engine Users

Provide route decorators for Google App Engine users.

Author

Daniel 'Vector' Kerr (vector@vector.id.au)

License

Refer to LICENSE.txt.

Installation

pip install flask-gae-users

Sample Usage

Python Code

main.py

from flask import Flask, request, Response, jsonify
from flask_gae_users import GAEUsers
from flask_gae_users import GAENoUserException
from flask_gae_users import GAENotAdminException


app = Flask()
GAEUsers( app = app )

# Provide a response when a user is not logged in
@app.errorhandler( GAENoUserException )
def onAppNoUser( e ):
  body = "<p>You must log in to continue</p>"
  body = body + "<p><a href=\"" + app.get_login_url() + "\">Sign in</a></p>"
  return Response( body, status = 401 )

# Provide a response when a user is not an administrator
@app.errorhandler( GAENotAdminException )
def onAppNoUser( e ):
  body = "<p>You are not authorized to access this resource</p>"
  body = body + "<p><a href=\"" + app.get_logout_url() + "\">Sign in as a different user</a></p>"
  return Response( body, status = 403 )


# Create a user-protected route by adding the `require_user` decorator
@app.route( '/home', methods = [ 'GET' ] )
@app.require_user()
def routeHome():
  user = app.get_user()
  return jsonify( { 'user': repr( user ) } )

# Create an admin-protected route by adding the `require_admin` decorator
@app.route( '/admin', methods = [ 'GET' ] )
@app.require_admin()
def routeAdmin():
  admin = app.get_user()
  return jsonify( { 'admin': repr( admin ) } )


# Run the flask application
if __name__ == '__main__':
  app.run( port = 8080 )

Run Server

python main.py

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