Veerasundaravel's Ruby on Rails Weblog

January 27, 2011

62 Comments »

  1. Nice article veera, keep continue on rocking on ror tips..:)

    Comment by Madhan ayyasamy — January 27, 2011 @ 5:36 pm

  2. [...] Facebook Registration Plugin in Rails « Veerasundaravel's Ruby on … [...]

    Pingback by Facebook Registration Plugin in Rails « Veerasundaravel's Ruby on … « 技術者派遣の技術日誌ブログ — January 29, 2011 @ 5:11 pm

  3. Hello,

    Thanks for the article, it was helpful.

    There is something I don’t get in that process. You say :
    It is signed using your application secret which is only known by you and Facebook

    But where do we check the signature against it? The only place where I see specific data is the appId, and it is displayed in clear in the html code.

    Comment by Olivier El Mekki — February 11, 2011 @ 11:47 am

  4. Woops, forget my previous comment, damn too late here, I only *now* see that “secret” param in #signed_request_is_valid? :P

    Comment by Olivier El Mekki — February 11, 2011 @ 11:51 am

    • Its oK. No problem. And thanks a lot for referring this article.

      Comment by Veerasundaravel — February 11, 2011 @ 12:40 pm

  5. Can I get his/her facebook password for my page registration?

    I don’t really understood this script (my englsih is a bit poor, too…)

    How could I change this:
    $signed_request = $_REQUEST["signed_request"];

    list($encoded_sig, $payload) = explode(‘.’, $signed_request, 2);

    $data = json_decode(base64_decode(strtr($payload, ‘-_’, ‘+/’)), true);

    if (empty($data["user_id"])) {
    echo(” top.location.href='” . $auth_url . “‘”);
    } else {

    $x = 0;
    foreach($data as $i)
    {
    foreach ($i as $k)
    {
    $x++;
    if ($x == 4)
    {

    print($k['name'].””);

    }
    else
    {
    print($k.””);
    }
    }
    //print($i['name']);
    }
    }

    Comment by Tgyi János — February 18, 2011 @ 1:38 am

    • you can get password from the registration data as follows:

      registration["password"] or in ur case $data["registration"]["password"]

      Comment by Veerasundaravel — February 18, 2011 @ 2:52 pm

  6. Excellent blog. I was checking continuously this blog and I am impressed! Very helpful information specifically the first part. I care for such info much. I was looking for this particular info for a long time. Thank you and best of luck.

    Comment by Mary Allabaugh — February 19, 2011 @ 2:39 pm

  7. Amazing article. I was checking constantly this blog and I’m impressed! Very helpful info particularly the last part. I care for such information a lot. I was looking for this particular info for a long time. Thank you and good luck.

    Comment by Lakita Plate — February 19, 2011 @ 3:49 pm

  8. Hi! Nice site

    Comment by Brememeterrix — March 3, 2011 @ 2:20 pm

  9. I have added custom fields using teh IFRAME method.

    How do i set it so someone can leave a custom field blank?

    Comment by Brian Moreau — March 6, 2011 @ 2:50 am

    • custom fields don’t have any default validation. So you can allow user to enter blank inputs.

      Comment by Veerasundaravel — March 7, 2011 @ 11:24 am

  10. Facebook Registration Widget and Ruby on Rails…

    I have successfully integrated: the Facebook Registration Plugin/Widget Ruby on Rails Devise The existing websites that talk about how to integrate these widgets include: http://veerasundaravel.wordpress.com/2011/01/27/facebook-registration-plugin-in-rails/

    Trackback by Jay B Hancock.com — March 10, 2011 @ 4:52 pm

  11. Thank you very much for your article and plugin. I have used your plugin in my Rails 3 project, and have gone further to integrate the facebook registration widget with a controller and models that handle both facebook and non-facebook users, and Devise login system.

    I do have some feedback on your plugin as a result of my integration that can help improve it.

    Cheers and thanks again.

    Comment by Jay Hancock — March 11, 2011 @ 12:33 am

    • Thanks a lot Jay.

      Yes I referred your blog and looking forward for improving this plugin in multiple levels like handling non FB users and with more testing etc.

      Comment by Veerasundaravel — March 11, 2011 @ 12:02 pm

  12. Hi ,
    I am getting below error while using this facebook registration functionality .
    undefined method `call’ for # , can any one help , plese .

    Thanks in Advance ,
    Divya

    Comment by Divya — September 12, 2011 @ 6:23 pm

    • can you please post the complete error log, that will be more helpful to find the cause.

      Comment by Veerasundaravel — September 12, 2011 @ 7:39 pm

  13. [...] developing an app on rails 3.1 that will be using the facebook registration plugin. I am following this tutorial to do the integration. However, while i am developing my application on localhost:3000, when i [...]

    Pingback by Public URL for localhost app, to use with Facebook — October 28, 2011 @ 1:46 am

  14. facebook_registration gem is updated to support latest version of Rails. http://rubydoc.info/gems/facebook_registration/1.0.4/frames

    Comment by Veerasundaravel — December 27, 2011 @ 3:47 pm

  15. I cant get enough of this blog. Sorry i have not commented til now, but im lazy. Just wanted to eventually say thank you.

    Comment by Markita Chrusciel — January 1, 2012 @ 12:12 pm

  16. Webmaster Instructional…

    [...]Facebook Registration Plugin in Rails « Veerasundaravel's Ruby on Rails Weblog[...]…

    Trackback by Webmaster Instructional — January 3, 2012 @ 6:37 pm

  17. Good job writing Facebook Registration Plugin in Rails Veerasundaravel's Ruby on Rails Weblog. I would like to learn more on this topic.

    Comment by JOCURI CU BILE pe JocuricuBile.eu — January 6, 2012 @ 12:47 pm

  18. Hey there, thanks for revealing your opinions in Facebook Registration Plugin in Rails Veerasundaravel's Ruby on Rails Weblog. This is really a cool blog.

    Comment by bile — January 9, 2012 @ 6:36 am

  19. I respect your work , thanks for all the interesting posts .

    Comment by Rashad Coltey — January 9, 2012 @ 10:50 pm

  20. I don’t usually comment but I gotta admit thank you for the post on this perfect one :D.

    Comment by Wilhemina Cicoria — January 10, 2012 @ 7:45 pm

  21. Regards for helping out, great info .

    Comment by Laurence Scheel — January 19, 2012 @ 9:48 pm

  22. So when i get the signed request back from Facebook, should I be verifying the oauth_token by hitting “https://graph.facebook.com/oauth/access_token”? Where is the call to signed_request_is_valid?(secret, signature, params) and what exactly are those parameters?

    Thanks,
    Blake

    Comment by Blake Miller — March 13, 2012 @ 9:01 am

    • Found an answer to the second part of my question from: http://oleriesenberg.com

      Be sure you call signed_request_is_valid? with the signed_params *before* you decode them into a hash (the Yaji line). I also had to change the “call” method to some other name like “parse_params”. Ruby was having troubles with the name of the function.

      # Verify signature
      unless signed_request_is_valid?(Buddy.current_config['secret'], signature, signed_params)
      return Rack::Response.new(["Invalid Facebook signature"], 400).finish
      end

      # Parse JSON
      signed_params = Yajl::Parser.new.parse(base64_url_decode(signed_params))

      Comment by Blake Miller — March 14, 2012 @ 7:12 am

      • Hi Blake,

        Thank you very much for referring my article and your suggestion. Meantime please refer the facebook_registration gem https://rubygems.org/gems/facebook_registration/versions/1.0.4, where you can find the easily accessible ruby gem for this facebook registration form implementation and also the parse method.

        Thanks,
        Veeraa.

        Comment by Veerasundaravel — March 14, 2012 @ 10:32 am

  23. Hi there! Quick question that’s entirely off topic. Do you know how to make your site mobile friendly? My web site looks weird when viewing from my apple iphone. I’m trying to find a template or plugin that might be able to fix this problem. If you have any recommendations, please share. With thanks!

    Comment by 1800 the general insurance — July 5, 2012 @ 9:38 am

  24. Hi,

    How can we do the localization in registration plugin using Iframe..

    For Eg:

    If i want to display the content in Portuguese (Brazil) language,how will i do it? I have specified the “locale” parameter in the i frame URL like:

    <iframe src="https://www.facebook.com/plugins/registration?
    client_id=&
    redirect_uri=&
    fields=name,birthday,gender,location,email&locale=pt_BR
    scrolling=”auto”
    frameborder=”no”
    style=”border:none”
    allowTransparency=”true”
    width=”100%”
    height=”330″>

    It doesn’t works…

    But when i directly cpoied the URL to the Browser.It works fine and got translated!!!!

    https://www.facebook.com/plugins/registration?client_id=APPID&redirect_uri=REDIRECT_URI&fields=name,birthday,gender,location,email&locale=pt_BR

    Please let me know what need to be done!!!!

    Comment by Suresh — July 26, 2012 @ 6:36 pm

    • Try this below code:

      Most probably you may need to refresh the page multiple time to clear cache or close and reopen the browser.

      Comment by Veerasundaravel — July 26, 2012 @ 6:58 pm

  25. I am trying to include the feature in an already existing registration form. Is it possible that i will keep my form & just that facebbok prefill link. When user clicks it and put its credentials my own regisration pafe gets prefilled

    Comment by Vimarsh — August 2, 2012 @ 3:04 pm

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