Created
December 15, 2010 19:27
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Importing Gmail Contacts list to Rails Application.
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class ImportedContactsController << ApplicationController | |
require 'net/http' | |
require 'net/https' | |
require 'uri' | |
#THIS METHOD TO SEND USER TO THE GOOGLE AUTHENTICATION PAGE. | |
def authenticate | |
# initiate authentication w/ gmail | |
# create url with url-encoded params to initiate connection with contacts api | |
# next - The URL of the page that Google should redirect the user to after authentication. | |
# scope - Indicates that the application is requesting a token to access contacts feeds. | |
# secure - Indicates whether the client is requesting a secure token. | |
# session - Indicates whether the token returned can be exchanged for a multi-use (session) token. | |
next_param = PLANNER_HOST.to_s + authorise_imported_contacts_path.to_s | |
scope_param = "https%3A%2F%2Fwww.google.com%2Fm8%2Ffeeds%2F" | |
session_param = "1" | |
root_url = "https://www.google.com/accounts/AuthSubRequest" | |
#TO FIND MORE AOBUT THESE PARAMTERS AND TEHRE MEANING SEE GOOGLE API DOCS. | |
query_string = "?scope=#{scope_param}&session=#{session_param}&next=#{next_param}" | |
redirect_to root_url + query_string | |
end | |
# YOU WILL BE REDIRECTED TO THIS ACTION AFTER COMPLETION OF AUTHENTICATION PROCESS WITH TEMPORARY SINGLE USE AUTH TOKEN. | |
def authorise | |
#FIRST SINGEL USE TOKEN WILL BE RECEIVED HERE.. | |
token = params[:token] | |
#PREPAIRING FOR SECOND REQUEST WITH AUTH TOKEN IN HEADER.. WHICH WILL BE EXCHANED FOR PERMANENT AUTH TOKEN. | |
uri = URI.parse("https://www.google.com") | |
http = Net::HTTP.new(uri.host, uri.port) | |
http.use_ssl = true | |
http.verify_mode = OpenSSL::SSL::VERIFY_NONE | |
path = '/accounts/AuthSubSessionToken' | |
headers = {'Authorization' => "AuthSub token=#{token}"} | |
#GET REQUEST ON URI WITH SPECIFIED PATH... | |
resp, data = http.get(path, headers) | |
#SPLIT OUT TOKEN FROM RESPONSE DATA. | |
if resp.code == "200" | |
token = '' | |
data.split.each do |str| | |
if not (str =~ /Token=/).nil? | |
token = str.gsub(/Token=/, '') | |
end | |
end | |
return redirect_to(:action => 'import', :token => token) | |
else | |
redirect_to PLANNER_HOST.to_s + planner_path.to_s | |
end | |
end | |
#USING PERMANENT TOKEN IN THIS ACTION TO GET USER CONTACT DATA. | |
def import | |
# GET http://www.google.com/m8/feeds/contacts/default/base | |
token = params[:token] | |
uri = URI.parse("https://www.google.com") | |
http = Net::HTTP.new(uri.host, uri.port) | |
http.use_ssl = true | |
http.verify_mode = OpenSSL::SSL::VERIFY_NONE | |
path = "/m8/feeds/contacts/default/full?max-results=10000" | |
headers = {'Authorization' => "AuthSub token=#{token}", | |
'GData-Version' => "3.0"} | |
resp, data = http.get(path, headers) | |
# extract the name and email address from the response data | |
# HERE USING REXML TO PARSE GOOGLE GIVEN XML DATA | |
xml = REXML::Document.new(data) | |
contacts = [] | |
xml.elements.each('//entry') do |entry| | |
person = {} | |
person['name'] = entry.elements['title'].text | |
gd_email = entry.elements['gd:email'] | |
person['email'] = gd_email.attributes['address'] if gd_email | |
@imported_contact = current_user.imported_contacts.create(person) | |
end | |
redirect_to applications_planner_path | |
end |
after about 4 hours of getting nowhere with omniauth, i found your code and it worked, thanks!
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Thanks dude.. :)