141 lines
4.3 KiB
Python
141 lines
4.3 KiB
Python
# Copyright (C) 2010 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Command-line tools for authenticating via OAuth 1.0
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Do the OAuth 1.0 Three Legged Dance for
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a command line application. Stores the generated
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credentials in a common file that is used by
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other example apps in the same directory.
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"""
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__author__ = 'jcgregorio@google.com (Joe Gregorio)'
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__all__ = ["run"]
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import BaseHTTPServer
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import logging
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import pickle
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import socket
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import sys
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from optparse import OptionParser
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from apiclient.oauth import RequestError
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try:
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from urlparse import parse_qsl
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except ImportError:
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from cgi import parse_qsl
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class ClientRedirectServer(BaseHTTPServer.HTTPServer):
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"""A server to handle OAuth 1.0 redirects back to localhost.
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Waits for a single request and parses the query parameters
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into query_params and then stops serving.
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"""
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query_params = {}
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class ClientRedirectHandler(BaseHTTPServer.BaseHTTPRequestHandler):
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"""A handler for OAuth 2.0 redirects back to localhost.
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Waits for a single request and parses the query parameters
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into the servers query_params and then stops serving.
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"""
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def do_GET(s):
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"""Handle a GET request
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Parses the query parameters and prints a message
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if the flow has completed. Note that we can't detect
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if an error occurred.
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"""
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s.send_response(200)
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s.send_header("Content-type", "text/html")
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s.end_headers()
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query = s.path.split('?', 1)[-1]
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query = dict(parse_qsl(query))
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s.server.query_params = query
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s.wfile.write("<html><head><title>Authentication Status</title></head>")
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s.wfile.write("<body><p>The authentication flow has completed.</p>")
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s.wfile.write("</body></html>")
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def log_message(self, format, *args):
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"""Do not log messages to stdout while running as command line program."""
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pass
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def run(flow, filename):
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"""Core code for a command-line application.
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"""
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parser = OptionParser()
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parser.add_option("-f", "--file", dest="filename",
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default=filename, help="write credentials to FILE", metavar="FILE")
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parser.add_option("-p", "--no_local_web_server", dest="localhost",
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action="store_false",
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default=True,
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help="Do not run a web server on localhost to handle redirect URIs")
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parser.add_option("-w", "--local_web_server", dest="localhost",
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action="store_true",
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default=True,
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help="Run a web server on localhost to handle redirect URIs")
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(options, args) = parser.parse_args()
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host_name = 'localhost'
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port_numbers = [8080, 8090]
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if options.localhost:
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server_class = BaseHTTPServer.HTTPServer
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try:
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port_number = port_numbers[0]
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httpd = server_class((host_name, port_number), ClientRedirectHandler)
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except socket.error:
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port_number = port_numbers[1]
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try:
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httpd = server_class((host_name, port_number), ClientRedirectHandler)
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except socket.error:
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options.localhost = False
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if options.localhost:
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oauth_callback = 'http://%s:%s/' % (host_name, port_number)
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else:
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oauth_callback = 'oob'
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authorize_url = flow.step1_get_authorize_url(oauth_callback)
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print 'Go to the following link in your browser:'
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print authorize_url
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print
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if options.localhost:
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httpd.handle_request()
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if 'error' in httpd.query_params:
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sys.exit('Authentication request was rejected.')
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if 'oauth_verifier' in httpd.query_params:
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code = httpd.query_params['oauth_verifier']
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else:
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accepted = 'n'
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while accepted.lower() == 'n':
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accepted = raw_input('Have you authorized me? (y/n) ')
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code = raw_input('What is the verification code? ').strip()
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try:
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credentials = flow.step2_exchange(code)
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except RequestError:
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sys.exit('The authentication has failed.')
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f = open(filename, 'w')
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f.write(pickle.dumps(credentials))
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f.close()
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print "You have successfully authenticated."
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