From 949e8c59e46b961031bc38af717a66b9d88aa217 Mon Sep 17 00:00:00 2001
From: Hassek <nullwriter@gmail.com>
Date: Wed, 2 May 2012 18:10:29 -0430
Subject: [PATCH] first attempt to support evernote

---
 .gitignore                               |  1 +
 social_auth/backends/contrib/evernote.py | 83 ++++++++++++++++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 social_auth/backends/contrib/evernote.py

diff --git a/.gitignore b/.gitignore
index 08c0db8..3529b5e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ contrib/tests/test_settings.py
 *.ipr
 *.iws
 Django-social-auth.iml
+tags
diff --git a/social_auth/backends/contrib/evernote.py b/social_auth/backends/contrib/evernote.py
new file mode 100644
index 0000000..36ae5d7
--- /dev/null
+++ b/social_auth/backends/contrib/evernote.py
@@ -0,0 +1,83 @@
+"""
+EverNote OAuth support
+
+No extra configurations are needed to make this work.
+"""
+try:
+    from urlparse import parse_qs
+    parse_qs  # placate pyflakes
+except ImportError:
+    # fall back for Python 2.5
+    from cgi import parse_qs
+
+from oauth2 import Token
+from social_auth.backends import ConsumerBasedOAuth, OAuthBackend, USERNAME
+
+
+EVERNOTE_SERVER = "sandbox.evernote.com"
+#EVERNOTE_SERVER = 'www.evernote.com'
+EVERNOTE_REQUEST_TOKEN_URL = 'https://%s/oauth' % \
+                                    EVERNOTE_SERVER
+EVERNOTE_ACCESS_TOKEN_URL = 'https://%s/oauth' % \
+                                    EVERNOTE_SERVER
+EVERNOTE_AUTHORIZATION_URL = 'https://%s/OAuth.action' % \
+                                    EVERNOTE_SERVER
+
+
+class EvernoteBackend(OAuthBackend):
+    """Evernote OAuth authentication backend"""
+    name = 'evernote'
+    #EXTRA_DATA = [('id', 'id'),
+                  #('first-name', 'first_name'),
+                  #('last-name', 'last_name')]
+
+    def get_user_details(self, response):
+        """Return user details from Evernote account"""
+        """
+        {'edam_expires': ['1367525289541'],
+         'edam_noteStoreUrl': ['https://sandbox.evernote.com/shard/s1/notestore'],
+         'edam_shard': ['s1'],
+         'edam_userId': ['123841'],
+         'edam_webApiUrlPrefix': ['https://sandbox.evernote.com/shard/s1/'],
+         'oauth_token': ['S=s1:U=1e3c1:E=13e66dbee45:C=1370f2ac245:P=185:A=onereceipt:H=411443c5e8b20f8718ed382a19d4ae38']}
+        """
+        return {USERNAME: response["edam_userId"],
+                'email': '',
+                }
+
+    def get_user_id(self, details, response):
+        return response['edam_userId']
+
+
+class EvernoteAuth(ConsumerBasedOAuth):
+    """Evernote OAuth authentication mechanism"""
+    AUTHORIZATION_URL = EVERNOTE_AUTHORIZATION_URL
+    REQUEST_TOKEN_URL = EVERNOTE_REQUEST_TOKEN_URL
+    ACCESS_TOKEN_URL = EVERNOTE_ACCESS_TOKEN_URL
+    SERVER_URL = '%s' % EVERNOTE_SERVER
+    AUTH_BACKEND = EvernoteBackend
+    SETTINGS_KEY_NAME = 'EVERNOTE_CONSUMER_KEY'
+    SETTINGS_SECRET_NAME = 'EVERNOTE_CONSUMER_SECRET'
+
+    def user_data(self, access_token, *args, **kwargs):
+        """Return user data provided"""
+        return access_token.user_info
+
+    def access_token(self, token):
+        """Return request for access token value"""
+        request = self.oauth_request(token, self.ACCESS_TOKEN_URL)
+        response = self.fetch_response(request)
+        params = parse_qs(response)
+
+        # evernote sents a empty secret token, this way it doesn't fires up the
+        # exception
+        response = response.replace("oauth_token_secret=", "oauth_token_secret=None")
+        token = Token.from_string(response)
+
+        token.user_info = params
+        return token
+
+# Backend definition
+BACKENDS = {
+    'evernote': EvernoteAuth,
+}
-- 
2.39.5