depot_tools: Remove third_party/gsutil

third_party/gsutil/plugins/sso_auth.py

Index: third_party/gsutil/plugins/sso_auth.py
diff --git a/third_party/gsutil/plugins/sso_auth.py b/third_party/gsutil/plugins/sso_auth.py
deleted file mode 100644
index 6f23ca43b6513f4b6aa03e86bb42451fd8fc8791..0000000000000000000000000000000000000000
--- a/third_party/gsutil/plugins/sso_auth.py
+++ /dev/null
@@ -1,105 +0,0 @@
-# Copyright 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""AuthHandler plugin for gsutil's boto to support LOAS based auth."""
-
-import getpass
-import json
-import os
-import re
-import subprocess
-import time
-import urllib2
-
-from boto.auth_handler import AuthHandler
-from boto.auth_handler import NotReadyToAuthenticate
-
-CMD = ['stubby', '--proto2', 'call', 'blade:sso', 'CorpLogin.Exchange']
-
-STUBBY_CMD = """target: {
-  scope: GAIA_USER
-  name: "%s"
-}
-target_credential: {
-  type: OAUTH2_TOKEN
-  oauth2_attributes: {
-    scope: 'https://www.googleapis.com/auth/devstorage.read_write'
-  }
-}"""
-
-COOKIE_LOCATION = os.path.expanduser('~/.devstore_token')
-
-TOKEN_EXPIRY = 300
-
-
-class SSOAuthError(Exception):
-  pass
-
-
-class SSOAuth(AuthHandler):
-  """SSO based auth handler."""
-
-  capability = ['google-oauth2', 's3']
-
-  def __init__(self, path, config, provider):
-    if provider.name == 'google' and self.has_prodaccess():
-      # If we don't have a loas token, then bypass this auth handler.
-      if subprocess.call(['loas_check', '-loas_check_retry_attempts=0'],
-                         stdout=subprocess.PIPE,
-                         stderr=subprocess.PIPE):
-        raise NotReadyToAuthenticate()
-    else:
-      raise NotReadyToAuthenticate()
-    self.token = None
-    self.expire = 0
-
-  def GetAccessToken(self):
-    """Returns a valid devstore access token.
-
-    This will return from an in-memory cache if the token is there already,
-    then try a filesystem cache, and then runs a stubby call if none of the
-    caches have a valid token.
-    """
-    if self.token and self.expire > time.time():
-      return self.token
-
-    # Try to retrieve token from filesystem cache.
-    if os.path.exists(COOKIE_LOCATION):
-      last_modified = os.path.getmtime(COOKIE_LOCATION)
-      if time.time() - last_modified < TOKEN_EXPIRY:
-        with open(COOKIE_LOCATION, 'rb') as f:
-          self.token = f.read()
-        self.expire = last_modified + TOKEN_EXPIRY
-        return self.token
-
-    # If the token is not in either caches, or has expired, then fetch token.
-    username = '%s@google.com' % getpass.getuser()
-    proc = subprocess.Popen(CMD, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
-    out, err = proc.communicate(STUBBY_CMD % username)
-    if proc.returncode:
-      raise SSOAuthError('Stubby returned %d\n%s' % (proc.returncode, err))
-    token_match = re.search(r'oauth2_token: "(.*)"$', out)
-
-    if not token_match:
-      raise SSOAuthError('Oauth2 token not found in %s' % out)
-
-    token = token_match.group(1)
-    self.token = token
-    self.expire = time.time() + TOKEN_EXPIRY
-    with os.fdopen(os.open(COOKIE_LOCATION,
-                           os.O_WRONLY | os.O_CREAT,
-                           0600), 'wb') as f:
-      f.write(token)
-    return token
-
-  def add_auth(self, http_request):
-    http_request.headers['Authorization'] = 'OAuth %s' % self.GetAccessToken()
-
-  @staticmethod
-  def has_prodaccess():
-    for path in os.environ['PATH'].split(os.pathsep):
-      exe_file = os.path.join(path, 'prodaccess')
-      if os.path.exists(exe_file) and os.access(exe_file, os.X_OK):
-        return True
-    return False