Came across the Contacts plugin while searching.
But as per the usage, described in the readme file. It requires username and password to fetch contacts. But that's not a good approach.
For Gmail or for your specific purpose: Gmail Contacts.
For Yahoo contacts, as far as I know, Contacts seems to be the one that is used. If someone has a better alternative. Please do mention.
For Twitter, I would highly recommend the Twitter gem.
For Facebook, you already got your Facebook gem sorted. However, I personally use FB Graph.
Edit:
Hmm, I tried having a look at the doc. No examples mentioned. Although it does mention:
See sample/authsub.rb for an example which uses GmailContacts
Which is nowhere to be found. Perhaps a quick email to the author might help?
It also seems that the the Contacts gem is quite well documented online. If you can find a way to work it out with your project requirements. Then you can use this as a universal solution for other email providers.
Alternatively, another way for contacts retrieval, I found this which can be useful.
Mini FB plugin for Facebook login. It also allows me to fetch users contacts. So I can use this one for Facebook. Koala is another solution for fetching facebook friends
FACEBOOK UPDATE
Here i got the solution for facebook, but i it just show me invite friends for facebook
<div id="facebook_invites" class="conclusion" style="width: 750px; text-align: center">
<a id="wall_post" href="#" style="font-size: 2em;">Post on your Wall</a><br/>
<a id="invite_friends" href="#" style="font-size: 1.5em;">Invite your Friends</a>
</div>
<div id="fb-root"></div>
<script type="text/javascript" src="http://connect.facebook.net/en_US/all.js"></script>
<script type="text/javascript">
$('#wall_post').click(function() {
FB.init({
appId:'app_id', cookie:true,
status:true, xfbml:true
});
FB.ui({ method: 'feed',
link: 'http://localhost:3000/',
picture: 'http://localhost:3000/',
description: 'abc is cool.',
name: 'abc.com'});
});
$('#invite_friends').click(function() {
FB.init({
appId:'app_id', cookie:true,
status:true, xfbml:true
});
FB.ui({ method: 'apprequests',
message: 'abc is cool.'});
});
</script>
Google Update
From google developers guide, we have a section "Retrieving all contacts", But in between there is a line written ie:-
Note: Retrieving another user's contacts is not supported by the current version of the Contacts API.
/*
* Retrieve all contacts
*/
// Create the contacts service object
var contactsService =
new google.gdata.contacts.ContactsService('GoogleInc-jsguide-1.0');
// The feed URI that is used for retrieving contacts
var feedUri = 'http://www.google.com/m8/feeds/contacts/default/full';
var query = new google.gdata.contacts.ContactQuery(feedUri);
// Set the maximum of the result set to be 50
query.setMaxResults(50);
// callback method to be invoked when getContactFeed() returns data
var callback = function(result) {
// An array of contact entries
var entries = result.feed.entry;
// Iterate through the array of contact entries
for (var i = 0; i < entries.length; i++) {
var contactEntry = entries[i];
var emailAddresses = contactEntry.getEmailAddresses();
// Iterate through the array of emails belonging to a single contact entry
for (var j = 0; j < emailAddresses.length; j++) {
var emailAddress = emailAddresses[j].getAddress();
PRINT('email = ' + emailAddress);
}
}
}
// Error handler
var handleError = function(error) {
PRINT(error);
}
// Submit the request using the contacts service object
contactsService.getContactFeed(query, callback, handleError);
Another sever side solution for google contacts: Solution for google:
Get your client_id and client_secret from here. This is rough script, which works perfectly fine. Modified it as per your needs.
require 'net/http'
require 'net/https'
require 'uri'
require 'rexml/document'
class ImportController < ApplicationController
def authenticate
@title = "Google Authetication"
client_id = "xxxxxxxxxxxxxx.apps.googleusercontent.com"
google_root_url = "https://accounts.google.com/o/oauth2/auth?state=profile&redirect_uri="+googleauth_url+"&response_type=code&client_id="+client_id.to_s+"&approval_prompt=force&scope=https://www.google.com/m8/feeds/"
redirect_to google_root_url
end
def authorise
begin
@title = "Google Authetication"
token = params[:code]
client_id = "xxxxxxxxxxxxxx.apps.googleusercontent.com"
client_secret = "xxxxxxxxxxxxxx"
uri = URI('https://accounts.google.com/o/oauth2/token')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
request = Net::HTTP::Post.new(uri.request_uri)
request.set_form_data('code' => token, 'client_id' => client_id, 'client_secret' => client_secret, 'redirect_uri' => googleauth_url, 'grant_type' => 'authorization_code')
request.content_type = 'application/x-www-form-urlencoded'
response = http.request(request)
response.code
access_keys = ActiveSupport::JSON.decode(response.body)
uri = URI.parse("https://www.google.com/m8/feeds/contacts/default/full?oauth_token="+access_keys['access_token'].to_s+"&max-results=50000&alt=json")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
request = Net::HTTP::Get.new(uri.request_uri)
response = http.request(request)
contacts = ActiveSupport::JSON.decode(response.body)
contacts['feed']['entry'].each_with_index do |contact,index|
name = contact['title']['$t']
contact['gd$email'].to_a.each do |email|
email_address = email['address']
Invite.create(:full_name => name, :email => email_address, :invite_source => "Gmail", :user_id => current_user.id) # for testing i m pushing it into database..
end
end
rescue Exception => ex
ex.message
end
redirect_to root_path , :notice => "Invite or follow your Google contacts."
end
end
Screenshot for settings.
For Gmail rather than using any gem, you should use a sample code, it's not a worth the gem.
See my sample code here - https://gist.github.com/742461
Actually had a blog post here - http://rtdptech.com/2010/12/importing-gmail-contacts-list-to-rails-application/ but seems current it is facing redirection issues.
You'll need to keep track of which user's have invited who, via a join table. Here's the FB.ui JS w/ callback to get you started:
FB.ui({
method: 'apprequests',
title: t,
message: m
},
function(response) {
if (response) {
$.ajax({
type: 'POST',
url: "/invitation_requests/create",
data: { "requests[]" : response.request_ids },
timeout: 12500,
async : false, // This fixes an issue w/ IE
complete: function() {
$.cookie( "latest_request_ids", response.request_ids.length );
window.location = "/users"
}
});
}
});
来源：https://stackoverflow.com/questions/6311132/issues-in-fetching-address-book-to-fetch-gmail-yahoo-hotmail-twitter-and-face