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| 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 import logging | |
| 5 | |
| 6 from telemetry.core import util | |
| 7 | |
| 8 | |
| 9 def _WaitForLoginFormToLoad(backend, login_form_id, tab): | |
| 10 def IsFormLoadedOrAlreadyLoggedIn(): | |
| 11 return tab.EvaluateJavaScript( | |
| 12 'document.querySelector("#%s")!== null' % login_form_id) or \ | |
| 13 backend.IsAlreadyLoggedIn(tab) | |
| 14 | |
| 15 # Wait until the form is submitted and the page completes loading. | |
| 16 util.WaitFor(lambda: IsFormLoadedOrAlreadyLoggedIn(), # pylint: disable=W0108 | |
| 17 60) | |
| 18 | |
| 19 def _SubmitFormAndWait(form_id, tab): | |
| 20 js = 'document.getElementById("%s").submit();' % form_id | |
| 21 tab.ExecuteJavaScript(js) | |
| 22 | |
| 23 def IsLoginStillHappening(): | |
| 24 return tab.EvaluateJavaScript( | |
| 25 'document.querySelector("#%s")!== null' % form_id) | |
| 26 | |
| 27 # Wait until the form is submitted and the page completes loading. | |
| 28 util.WaitFor(lambda: not IsLoginStillHappening(), 60) | |
| 29 | |
| 30 class FormBasedCredentialsBackend(object): | |
| 31 def __init__(self): | |
| 32 self._logged_in = False | |
| 33 | |
| 34 def IsAlreadyLoggedIn(self, tab): | |
| 35 raise NotImplementedError() | |
| 36 | |
| 37 @property | |
| 38 def credentials_type(self): | |
| 39 raise NotImplementedError() | |
| 40 | |
| 41 @property | |
| 42 def url(self): | |
| 43 raise NotImplementedError() | |
| 44 | |
| 45 @property | |
| 46 def login_form_id(self): | |
| 47 raise NotImplementedError() | |
| 48 | |
| 49 @property | |
| 50 def login_input_id(self): | |
| 51 raise NotImplementedError() | |
| 52 | |
| 53 @property | |
| 54 def password_input_id(self): | |
| 55 raise NotImplementedError() | |
| 56 | |
| 57 def IsLoggedIn(self): | |
| 58 return self._logged_in | |
| 59 | |
| 60 def _ResetLoggedInState(self): | |
| 61 """Makes the backend think we're not logged in even though we are. | |
| 62 Should only be used in unit tests to simulate --dont-override-profile. | |
| 63 """ | |
| 64 self._logged_in = False | |
| 65 | |
| 66 def LoginNeeded(self, tab, config): | |
| 67 """Logs in to a test account. | |
| 68 | |
| 69 Raises: | |
| 70 RuntimeError: if could not get credential information. | |
| 71 """ | |
| 72 if self._logged_in: | |
| 73 return True | |
| 74 | |
| 75 if 'username' not in config or 'password' not in config: | |
| 76 message = ('Credentials for "%s" must include username and password.' % | |
| 77 self.credentials_type) | |
| 78 raise RuntimeError(message) | |
| 79 | |
| 80 logging.debug('Logging into %s account...' % self.credentials_type) | |
| 81 | |
| 82 try: | |
| 83 logging.info('Loading %s...', self.url) | |
| 84 tab.Navigate(self.url) | |
| 85 _WaitForLoginFormToLoad(self, self.login_form_id, tab) | |
| 86 | |
| 87 if self.IsAlreadyLoggedIn(tab): | |
| 88 self._logged_in = True | |
| 89 return True | |
| 90 | |
| 91 tab.WaitForDocumentReadyStateToBeInteractiveOrBetter() | |
| 92 logging.info('Loaded page: %s', self.url) | |
| 93 | |
| 94 email_id = 'document.querySelector("#%s").%s.value = "%s"; ' % ( | |
| 95 self.login_form_id, self.login_input_id, config['username']) | |
| 96 password = 'document.querySelector("#%s").%s.value = "%s"; ' % ( | |
| 97 self.login_form_id, self.password_input_id, config['password']) | |
| 98 tab.ExecuteJavaScript(email_id) | |
| 99 tab.ExecuteJavaScript(password) | |
| 100 | |
| 101 _SubmitFormAndWait(self.login_form_id, tab) | |
| 102 | |
| 103 self._logged_in = True | |
| 104 return True | |
| 105 except util.TimeoutException: | |
| 106 logging.warning('Timed out while loading: %s', self.url) | |
| 107 return False | |
| 108 | |
| 109 def LoginNoLongerNeeded(self, tab): # pylint: disable=W0613 | |
| 110 assert self._logged_in | |
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