vcs.maemo.org Git - hermes/blob - package/src/org/maemo/hermes/engine/linkedin/api.py

   1 import re
   2 import httplib
   3 import gnome.gconf
   4 from oauth import oauth
   5 from xml.dom.minidom import parseString
   6 from org.maemo.hermes.engine.phonenumber import PhoneNumber
   7 from org.maemo.hermes.engine.friend import Friend
   8
   9 class LinkedInApi():
  10     """LinkedIn API for Hermes.
  11
  12        Copyright (c) Fredrik Wendt <fredrik@wendt.se> 2010.
  13        Copyright (c) Andrew Flegg <andrew@bleb.org> 2010.
  14        Released under the Artistic Licence."""
  15
  16     LI_API_URL = "https://api.linkedin.com"
  17     LI_CONN_API_URL = LI_API_URL + "/v1/people/~/connections:(id,first-name,last-name,picture-url,site-standard-profile-request:(url),date-of-birth,main-address,location:(country:(code)),phone-numbers,member-url-resources)"
  18     LI_PROFILE_API_URL = LI_API_URL + "/v1/people/~"
  19
  20
  21     # -----------------------------------------------------------------------
  22     def __init__(self, consumer, api_request):
  23         """Instantiate with an OAuth consumer"""
  24         self.consumer = consumer
  25         self._make_api_request = api_request
  26
  27
  28     # -----------------------------------------------------------------------
  29     def verify_verifier(self, access_token):
  30         try:
  31             xml = self._make_api_request(self.LI_PROFILE_API_URL)
  32             dom = parseString(xml)
  33             friends = self._parse_dom(dom)
  34             return friends[0].get_name()
  35         except Exception, e:
  36             import traceback
  37             traceback.print_exc()
  38             raise Exception("LinkedIn authorization failed, try again")
  39
  40
  41
  42     # -----------------------------------------------------------------------
  43     def get_friends(self):
  44         """ Returns a Friend object for each LinkedIn connection."""
  45
  46         xml = self._make_api_request(self.LI_CONN_API_URL)
  47         dom = parseString(xml)
  48         friends = self._parse_dom(dom)
  49
  50         return friends
  51
  52
  53     # -----------------------------------------------------------------------
  54     def get_friend_details(self, url, header_value):
  55         oauth_request = oauth.OAuthRequest.from_consumer_and_token(self.consumer, token=self.access_token, http_url=url)
  56         oauth_request.sign_request(self.sig_method, self.consumer, self.access_token)
  57
  58         headers = oauth_request.to_header()
  59         headers[u'x-li-auth-token'] = header_value
  60         connection = httplib.HTTPConnection("api.linkedin.com")
  61         connection.request(oauth_request.http_method, url, headers=headers)
  62         data = connection.getresponse().read()
  63         return data
  64
  65
  66     # -----------------------------------------------------------------------
  67     def _parse_dom(self, dom):
  68         def get_first_tag(node, tagName):
  69             if node:
  70                 tags = node.getElementsByTagName(tagName)
  71                 if tags and len(tags) > 0:
  72                     return tags[0]
  73
  74         def extract(node, tagName):
  75             tag = get_first_tag(node, tagName)
  76             if tag:
  77                 return tag.firstChild.nodeValue
  78
  79         def extract_public_url(node):
  80             tag = get_first_tag(node, 'site-standard-profile-request')
  81             if tag:
  82                 url = extract(tag, 'url').replace("&amp;", "&")
  83                 return re.sub('[?&](auth|trk)\w*=[^&]*', '', url)
  84
  85         def extract_phone_numbers(node):
  86             country = extract(get_first_tag(node, 'country'), 'code')
  87             tag = get_first_tag(node, 'phone-numbers')
  88             numbers = []
  89             if tag:
  90                 for element in tag.childNodes:
  91                     if element.nodeName != 'phone-number':
  92                         continue
  93
  94                     phone_type = extract(element, 'phone-type')
  95                     device = phone_type == 'mobile' and phone_type or None
  96                     type = phone_type in set(['home', 'work']) and phone_type or None
  97
  98                     number = PhoneNumber(extract(element, 'phone-number'), device = device, type = type, country = country)
  99                     numbers.append(number)
 100             return numbers
 101
 102         def extract_urls(node):
 103             tag = get_first_tag(node, 'member-url-resources')
 104             urls = []
 105             if tag:
 106                 for element in tag.getElementsByTagName('url'):
 107                     urls.append(element.firstChild.nodeValue.replace("&amp;", "&"))
 108             return urls
 109
 110         def extract_birthday(node):
 111             tag = get_first_tag(node, 'date-of-birth')
 112             bday = None
 113             if tag:
 114                 month = extract(tag, 'month')
 115                 day   = extract(tag, 'day')
 116                 year  = extract(tag, 'year')
 117                 if month and day:
 118                     bday = '%s/%s' % (extract(tag, 'month'), extract(tag, 'day'))
 119                     if year:
 120                         bday = '%s/%s' % (bday, year)
 121
 122             return bday
 123
 124         # look for errors
 125         errors = dom.getElementsByTagName('error')
 126         if (errors and len(errors) > 0):
 127             details = ""
 128             try:
 129                 details = " (" + extract(errors[0], "message") + ")"
 130             except:
 131                 pass
 132             raise Exception("LinkedIn communication errors detected" + details)
 133
 134         friends = []
 135         people = dom.getElementsByTagName('person')
 136         for p in people:
 137             fn = extract(p, 'first-name')
 138             ln = extract(p, 'last-name')
 139             photo_url = extract(p, 'picture-url')
 140             id = extract(p, 'id')
 141             public_url = extract_public_url(p)
 142             bday = extract_birthday(p)
 143
 144             name = fn + " " + ln
 145             friend = Friend(name)
 146             friend.add_url(public_url)
 147             if photo_url:
 148                 friend.set_photo_url(photo_url)
 149
 150             if bday:
 151                 friend.set_birthday_date(bday)
 152
 153             for number in extract_phone_numbers(p):
 154                 friend.add_phone(number)
 155
 156             for url in extract_urls(p):
 157                 friend.add_url(url)
 158
 159             friends.append(friend)
 160
 161         return friends