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dmSocialPlugin

dmSocialPlugin brings:

  • Basic classes to permit authentification to social networks using OAuth1 or OAuth2 (in lib/dmOAuth)
  • Model of the token used during connections
  • Easy connection between other service supports OAuth like Facebook, Yahoo, Google
  • For example you can use facebook api without fbml or javascript Api. It's can be an easy way to use facebook connect

The current Diem development is based on three plugins:

The Propel plugin wasn't used in the Diem version, as only Doctrine is needed. However the original Propel plugin can still be found at:

Installation

  • In a console, from your project root dir, run: git clone git://github.com/kisskrool/dmSocialPlugin.git plugins/dmSocialPlugin

  • In config/ProjectConfiguration.class.php, add dmSocialPlugin to the list of enabled plugins:

    class ProjectConfiguration extends dmProjectConfiguration {
    public function setup()
    {
    parent::setup();

     $this->enablePlugins(array(  
       // your enabled plugins  
       'dmSocialPlugin'  
     ));
    
  • Install

     php symfony doctrine:generate-migrations-diff
     
     php symfony doctrine:migrate
    
     php symfony dm:setup
    
  • Clear cache

     php symfony cc
    
  • Override the user in lib/vendor/diem/dmFrontPlugin/lib/user/dmFrontUser.php and/or lib/vendor/diem/dmAdminPlugin/lib/user/dmAdminUser.php if you wish to allow social connections either in front or/and admin:

     - dmFrontUser: class dmFrontUser extends dmSocialUser
     - dmAdminUser: class dmAdminUser extends dmSocialUser
    

Networks

At this time dmSocial has 8 networks:

  • Facebook
  • Google
  • Yahoo
  • LinkedIn
  • MySpace
  • Twitter
  • Neutral1 #A base class to support OAuth1
  • Neutral2 #A base class to support OAuth2

Configuration

Available options in app.yml :

all:
  social:
    create_user: false            # create a new user if not logged when you connect to a service
    redirect_register: false      # you can redirect to a register form or anything else by specify
                                  # a valid route like "@user_register" 
    name:
      key:  my_service_key
      secret: my_secret_key
      callback: @mymodule_index   # or absolute url to which it will be redirected after social authentication & authorisation
      
      #needed for google or facebook
      api: [contacts, ...]        # only for google - easy way to set scopes
      scope: [permission_1, ...]  # for google and facebook to set permissions - for google prefere api parameter
      
      #optional
      user:                       # to create a user
        field_1:
          call: xx
          call_parameters: [x, x, x]
          path: xx.xy.zz
          prefix: xx_
          suffix: _xx
          key: false
        ...
        
      provider: provider          #like google, facebook -optional if 'name' config key is the name of the provider
      request_token_url: url      # override the url - for OAuth 1 implementation only
      request_auth_url: url
      access_token_url: url
      namespaces:                 # namespaces are used to make some api calls - see namespace Section
        ns1: http://my.name.space
        ...
      aliases:                    # Alias is an easy way to simplify api calls
        me: my/alias   
        ...     
      auth_parameters:
        param1: value
      call_parameters:
        param1: value
      access_parameters:
        param1: value
      output_format: json
      create_user: true      
      redirect_register: false
      
      #optional only for OAuth 1
      request_parameters:
        param1: value
      request_token_url: url

In an action:

$this->getUser()->socialConnect('name');

This action redirects to the callback specified in the app.yml

In an other action when you have the autorization:

$this->getUser()->getNetwork('name')->getMe();  #see section Api for more informations

Example

We try a sample with facebook, Register an application (see section Register application to have url to register apps). Then put the config in app.yml:

all:
  social:
    create_user: true               # to create a user for all networks
    facebook:
      key: my_api_key
      secret: application_secret
      callback: @homepage
      scope: [email]                #optional - https://developers.facebook.com/docs/reference/api/permissions/ 
                                    # needed to create an user based on his email_address
      user:
        username:                   # the name of a field of DmUser
          call: me                  # api call
          path: id                  # path could be user.object.email for example to retrieve the right inforamtion
          prefix: Facebook_
        first_name:                 # optional, because added to DmUser model
          call: me
          path: first_name          
        last_name:                  # optional, because added to DmUser model
          call: me
          path: last_name           
        email:                      # this field is mandatory as otherwise a new user won't be saved in database
          call: me                  
          path: email               
          key: true                 # it's a key to retrieve user from other services based on this information
                                    # if no field is a key all are keys by default.        
      
    facebook_plus:                  # you can manage more than one config for a service
      provider: facebook            # to manage permissions for example            
      ...
    google:
      ...

For example we put a link in a _signin partial:

<?php echo _link('@social_connect?service=facebook')->text('Connect to facebook'); ?>

or we use the helper, passing the parameter values from the executeSignin method in components.class.php :

<?php echo _social_connect_button($service, $route, __('Connect with').' '.$service, $options); ?>

In actions.class.php :

public function executeConnect(dmWebRequest $request)
{
  $service=$this->getRequestParameter('service');
  $this->getUser()->socialConnect($service);
}

public function executeFacebook(dmWebRequest $request)
{
  $this->me = $this->getUser()->getNetwork('facebook')->getMe();
}

User

The user creation is a security point because for example if you create user based on email addresses. If a user create an account by a classic way and if the email specified is not validated he can retrieve rights on the user which have the email.

So you have to specify the user creation by putting some informations in the config file (app.yml).

The informations under the user key in config allow to create a user with theses informations. The keys (key:true) allow to retrieve existing user to make links between services or to signin a user according his created account.

How it works :

If a user is authenticated and request access to a service. The rights are attached to him.

There is an event (socialnetwork.filter_user) to filter a user if authenticated. This event has params network and conflict. network is the current network and conflict represents if the user match the key rules (app.yml). So in this filter you can change the user or do anything you want in this situation.

If the user is not authenticated, it tries to retrieve the user by the token then it try to retrieve the user by the keys(config). And then create the user if needeed.

Before saving the user, if you specify redirect_register with a valid routing rule, you can redirect the workflow to your action.

In this case, you can retrieve the user created but not saved :

  • unserialize($this->getUser()->getAttribute('social_user'))

And the network :

  • unserialize($this->getUser()->getAttribute('network'))

Api

When you call:

$this->getUser()->getNetwork('facebook')->getMe();

In fact it's use the default namespace of facebook : https://graph.facebook.com

It calls the method dmOAuth->get($action, $aliases, $params, $method = 'GET')

getMe means get('me')

getMeFriends -> get('me/friends')

an alias is a way to have simpliest call for example :

$fb_network->getFriends(array('friends' => 'me/friends'));

you can put your own aliases in the app.yml to have simplier calls.

Apis

To make api calls, you have to know api for each service provider :

Register Application

Namespaces

To change the namespace in use just use:

$google_network->ns('contacts');

You can use all these namespaces in the api config to have permissions to use them.

Aliases

Default aliases :

  • Google

    • contacts: m8/feeds/contacts
    • me: default/full
  • Yahoo !

    • uid: [userid]
    • me: user/[userid]
  • LinkedIn

    • me: people/~
  • MySpace

    • me: user.json

Contribute

If you want more providers or more default aliases. Feel free to ask or contribute on Github at http://github.com/chok/sfMelodyPlugin for example adding support to some networks (ie. melodies by this plugin), or at http://github.com/kisskrool/dmSocialPlugin

TODO dmSocialPlugin

  • Tests for other networks than Facebook
  • Some kind of widget to transmit some parameters from the app.yml (like which network to use, the image, etc) to the Signin button
  • Other ideas are welcome :-)

TODO sfMelodyPlugin

  • Better management of tokens (refresh, etc...)
  • ...

About

Plugin that adds social connect abilities to Diem (http://diem-project.org)

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