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<?php
// Copyright 2004-present Facebook. All Rights Reserved.
//
// +---------------------------------------------------------------------------+
// | Facebook Platform PHP5 client |
// +---------------------------------------------------------------------------+
// | Copyright (c) 2007 Facebook, Inc. |
// | All rights reserved. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | 1. Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | 2. Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution. |
// | |
// | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
// | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
// | OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
// | IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
// | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
// | THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
// +---------------------------------------------------------------------------+
// | For help with this library, contact developers-help@facebook.com |
// +---------------------------------------------------------------------------+
//
/**
* This class extends and modifies the "Facebook" class to better suit wap
* apps. Since there is no javascript support, we need to use server redirect
* to implement Facebook connect functionalities such as authenticate,
* authorize, feed form etc.. This library provide many helper functions for
* wap developer to locate the right wap url. The url here is targed at
* facebook wap site or wap-friendly url.
*/
class FacebookMobile extends Facebook {
// the application secret, which differs from the session secret
public function __construct($api_key, $secret, $generate_session_secret=false) {
parent::__construct($api_key, $secret, $generate_session_secret);
}
public function redirect($url) {
header('Location: '. $url);
}
public function get_m_url($action, $params) {
$page = parent::get_facebook_url('m'). '/' .$action;
foreach($params as $key => $val) {
if (!$val) {
unset($params[$key]);
}
}
return $page . '?' . http_build_query($params);
}
public function get_www_url($action, $params) {
$page = parent::get_facebook_url('www'). '/' .$action;
foreach($params as $key => $val) {
if (!$val) {
unset($params[$key]);
}
}
return $page . '?' . http_build_query($params);
}
public function get_add_url($next=null) {
return $this->get_m_url('add.php', array('api_key' => $this->api_key,
'next' => $next));
}
public function get_tos_url($next=null, $cancel = null, $canvas=null) {
return $this->get_m_url('tos.php', array('api_key' => $this->api_key,
'v' => '1.0',
'next' => $next,
'canvas' => $canvas,
'cancel' => $cancel));
}
public function get_logout_url($next=null) {
$params = array('api_key' => $this->api_key,
'session_key' => $this->api_client->session_key,
);
if ($next) {
$params['connect_next'] = 1;
$params['next'] = $next;
}
return $this->get_m_url('logout.php', $params);
}
public function get_register_url($next=null, $cancel_url=null) {
return $this->get_m_url('r.php',
array('fbconnect' => 1,
'api_key' => $this->api_key,
'next' => $next ? $next : parent::current_url(),
'cancel_url' => $cancel_url ? $cancel_url : parent::current_url()));
}
/**
* These set of fbconnect style url redirect back to the application current
* page when the action is done. Developer can also use the non fbconnect
* style url and provide their own redirect link by giving the right parameter
* to $next and/or $cancel_url
*/
public function get_fbconnect_register_url() {
return $this->get_register_url(parent::current_url(), parent::current_url());
}
public function get_fbconnect_tos_url() {
return $this->get_tos_url(parent::current_url(), parent::current_url(), $this->in_frame());
}
public function get_fbconnect_logout_url() {
return $this->get_logout_url(parent::current_url());
}
public function logout_user() {
$this->user = null;
}
public function get_prompt_permissions_url($ext_perm,
$next=null,
$cancel_url=null) {
return $this->get_www_url('connect/prompt_permissions.php',
array('api_key' => $this->api_key,
'ext_perm' => $ext_perm,
'next' => $next ? $next : parent::current_url(),
'cancel' => $cancel_url ? $cancel_url : parent::current_url(),
'display' => 'wap'));
}
/**
* support both prompt_permissions.php and authorize.php for now.
* authorized.php is to be deprecate though.
*/
public function get_extended_permission_url($ext_perm,
$next=null,
$cancel_url=null) {
$next = $next ? $next : parent::current_url();
$cancel_url = $cancel_url ? $cancel_url : parent::current_url();
return $this->get_m_url('authorize.php',
array('api_key' => $this->api_key,
'ext_perm' => $ext_perm,
'next' => $next,
'cancel_url' => $cancel_url));
}
public function render_prompt_feed_url($action_links=NULL,
$target_id=NULL,
$message='',
$user_message_prompt='',
$caption=NULL,
$callback ='',
$cancel='',
$attachment=NULL,
$preview=true) {
$params = array('api_key' => $this->api_key,
'session_key' => $this->api_client->session_key,
);
if (!empty($attachment)) {
$params['attachment'] = urlencode(json_encode($attachment));
} else {
$attachment = new stdClass();
$app_display_info = $this->api_client->admin_getAppProperties(array('application_name',
'callback_url',
'description',
'logo_url'));
$app_display_info = $app_display_info;
$attachment->name = $app_display_info['application_name'];
$attachment->caption = !empty($caption) ? $caption : 'Just see what\'s new!';
$attachment->description = $app_display_info['description'];
$attachment->href = $app_display_info['callback_url'];
if (!empty($app_display_info['logo_url'])) {
$logo = new stdClass();
$logo->type = 'image';
$logo->src = $app_display_info['logo_url'];
$logo->href = $app_display_info['callback_url'];
$attachment->media = array($logo);
}
$params['attachment'] = urlencode(json_encode($attachment));
}
$params['preview'] = $preview;
$params['message'] = $message;
$params['user_message_prompt'] = $user_message_prompt;
if (!empty($callback)) {
$params['callback'] = $callback;
} else {
$params['callback'] = $this->current_url();
}
if (!empty($cancel)) {
$params['cancel'] = $cancel;
} else {
$params['cancel'] = $this->current_url();
}
if (!empty($target_id)) {
$params['target_id'] = $target_id;
}
if (!empty($action_links)) {
$params['action_links'] = urlencode(json_encode($action_links));
}
$params['display'] = 'wap';
header('Location: '. $this->get_www_url('connect/prompt_feed.php', $params));
}
//use template_id
public function render_feed_form_url($template_id=NULL,
$template_data=NULL,
$user_message=NULL,
$body_general=NULL,
$user_message_prompt=NULL,
$target_id=NULL,
$callback=NULL,
$cancel=NULL,
$preview=true) {
$params = array('api_key' => $this->api_key);
$params['preview'] = $preview;
if (isset($template_id) && $template_id) {
$params['template_id'] = $template_id;
}
$params['message'] = $user_message ? $user_message['value'] : '';
if (isset($body_general) && $body_general) {
$params['body_general'] = $body_general;
}
if (isset($user_message_prompt) && $user_message_prompt) {
$params['user_message_prompt'] = $user_message_prompt;
}
if (isset($callback) && $callback) {
$params['callback'] = $callback;
} else {
$params['callback'] = $this->current_url();
}
if (isset($cancel) && $cancel) {
$params['cancel'] = $cancel;
} else {
$params['cancel'] = $this->current_url();
}
if (isset($template_data) && $template_data) {
$params['template_data'] = $template_data;
}
if (isset($target_id) && $target_id) {
$params['to_ids'] = $target_id;
}
$params['display'] = 'wap';
header('Location: '. $this->get_www_url('connect/prompt_feed.php', $params));
}
}
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