Index: third_party/oauth2client/tools.py
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diff --git a/third_party/oauth2client/tools.py b/third_party/oauth2client/tools.py
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new file mode 100644
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index 0000000000000000000000000000000000000000..d441cd9250ad3f61b36ff10e962b14b7acc239b1
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--- /dev/null
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+++ b/third_party/oauth2client/tools.py
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@@ -0,0 +1,163 @@
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+# 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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+
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+"""Command-line tools for authenticating via OAuth 2.0
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+
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+Do the OAuth 2.0 Web Server dance for a command line application. Stores the
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+generated credentials in a common file that is used by other example apps in
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+the same directory.
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+"""
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+
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+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
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+__all__ = ['run']
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+
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+
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+import BaseHTTPServer
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+import gflags
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+import socket
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+import sys
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+import webbrowser
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+
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+from client import FlowExchangeError
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+
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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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+
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+
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+FLAGS = gflags.FLAGS
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+
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+gflags.DEFINE_boolean('auth_local_webserver', True,
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+ ('Run a local web server to handle redirects during '
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+ 'OAuth authorization.'))
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+
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+gflags.DEFINE_string('auth_host_name', 'localhost',
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+ ('Host name to use when running a local web server to '
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+ 'handle redirects during OAuth authorization.'))
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+
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+gflags.DEFINE_multi_int('auth_host_port', [8080, 8090],
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+ ('Port to use when running a local web server to '
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+ 'handle redirects during OAuth authorization.'))
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+
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+
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+class ClientRedirectServer(BaseHTTPServer.HTTPServer):
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+ """A server to handle OAuth 2.0 redirects back to localhost.
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+
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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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+
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+
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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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+
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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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+
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+ def do_GET(s):
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+ """Handle a GET request.
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+
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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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+
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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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+
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+
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+def run(flow, storage):
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+ """Core code for a command-line application.
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+
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+ Args:
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+ flow: Flow, an OAuth 2.0 Flow to step through.
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+ storage: Storage, a Storage to store the credential in.
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+
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+ Returns:
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+ Credentials, the obtained credential.
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+ """
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+ if FLAGS.auth_local_webserver:
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+ success = False
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+ port_number = 0
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+ for port in FLAGS.auth_host_port:
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+ port_number = port
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+ try:
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+ httpd = ClientRedirectServer((FLAGS.auth_host_name, port),
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+ ClientRedirectHandler)
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+ except socket.error, e:
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+ pass
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+ else:
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+ success = True
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+ break
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+ FLAGS.auth_local_webserver = success
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+
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+ if FLAGS.auth_local_webserver:
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+ oauth_callback = 'http://%s:%s/' % (FLAGS.auth_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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+
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+ if FLAGS.auth_local_webserver:
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+ webbrowser.open(authorize_url, new=1, autoraise=True)
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+ print 'Your browser has been opened to visit:'
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+ print
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+ print ' ' + authorize_url
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+ print
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+ print 'If your browser is on a different machine then exit and re-run this'
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+ print 'application with the command-line parameter '
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+ print
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+ print ' --noauth_local_webserver'
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+ print
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+ else:
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+ print 'Go to the following link in your browser:'
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+ print
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+ print ' ' + authorize_url
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+ print
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+
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+ code = None
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+ if FLAGS.auth_local_webserver:
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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 'code' in httpd.query_params:
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+ code = httpd.query_params['code']
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+ else:
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+ print 'Failed to find "code" in the query parameters of the redirect.'
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+ sys.exit('Try running with --noauth_local_webserver.')
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+ else:
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+ code = raw_input('Enter verification code: ').strip()
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+
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+ try:
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+ credential = flow.step2_exchange(code)
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+ except FlowExchangeError, e:
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+ sys.exit('Authentication has failed: %s' % e)
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+
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+ storage.put(credential)
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+ credential.set_store(storage)
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+ print 'Authentication successful.'
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+
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+ return credential
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