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comparison gcalendar/oauth.py @ 857:9165edfb1709

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For issue #80, use new Google Calendar v3 API.
author Brian Neal <bgneal@gmail.com>
date Sat, 22 Nov 2014 13:27:13 -0600
parents 8743c566f712
children
comparison
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856:c2dfd1b1323e 857:9165edfb1709
26 """Performs a stat() on the credentials file and returns the last modified 26 """Performs a stat() on the credentials file and returns the last modified
27 time as a datetime object. If an error occurs, None is returned. 27 time as a datetime object. If an error occurs, None is returned.
28 """ 28 """
29 try: 29 try:
30 status = os.stat(settings.GCAL_CREDENTIALS_PATH) 30 status = os.stat(settings.GCAL_CREDENTIALS_PATH)
31 return datetime.datetime.fromtimestamp(status.st_mtime)
32 except OSError: 31 except OSError:
33 return None 32 return None
33 return datetime.datetime.fromtimestamp(status.st_mtime)
34 34
35 35
36 def get_auth_url(request, callback_url): 36 def get_auth_url(callback_url):
37 """ 37 """
38 This function creates an OAuth flow object and uses it to generate an 38 This function creates an OAuth flow object and uses it to generate an
39 authorization URL which is returned to the caller. 39 authorization URL which is returned to the caller.
40
41 request - the HttpRequest object for the user requesting the token. The
42 token is stored in the session object attached to this request.
43 40
44 callback_url - a string that is the URL that Google should redirect the user 41 callback_url - a string that is the URL that Google should redirect the user
45 to after the user has authorized our application access to their data. 42 to after the user has authorized our application access to their data.
46 43
47 """ 44 """
67 return auth_url 64 return auth_url
68 65
69 66
70 def auth_return(request): 67 def auth_return(request):
71 """ 68 """
72 This function should be called after Google has sent the user back to us 69 This function should be called after Google has redirected the user
73 after the user authorized us. We retrieve the authorization code from the 70 after the user authorized us. We retrieve the authorization code from the
74 request query parameters and then exchange it for access tokens. These 71 request query parameters and then exchange it for access tokens. These
75 tokens are stored in our credentials file. 72 tokens are stored in our credentials file.
76 73
77 If an error is encountered, an OAuthError is raised. 74 If an error is encountered, an OAuthError is raised.
109 storage = Storage(settings.GCAL_CREDENTIALS_PATH) 106 storage = Storage(settings.GCAL_CREDENTIALS_PATH)
110 storage.put(credentials) 107 storage.put(credentials)
111 logging.info("auth_return completed successfully") 108 logging.info("auth_return completed successfully")
112 109
113 110
114 def serialize_token(token): 111 def get_credentials():
115 """ 112 """Obtain the stored credentials if available, or None if they are not."""
116 This function turns a token into a string and returns it. 113 storage = Storage(settings.GCAL_CREDENTIALS_PATH)
117 114 return storage.get()
118 """
119 return gdata.gauth.TokenToBlob(token)
120
121
122 def deserialize_token(s):
123 """
124 This function turns a string into a token returns it. The string must have
125 previously been created with serialize_token().
126
127 """
128 return gdata.gauth.TokenFromBlob(s)