fbpost/fbpost.php

   1 <?php
   2 /**
   3  * Name: Facebook Post Connector
   4  * Version: 1.3
   5  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
   6  * Author: Tobias Hößl <https://github.com/CatoTH/>
   7  *
   8  */
   9
  10 /**
  11  * Installing the Friendica/Facebook connector
  12  *
  13  * Detailed instructions how to use this plugin can be found at
  14  * https://github.com/friendica/friendica/wiki/How-to:-Friendica%E2%80%99s-Facebook-connector
  15  *
  16  * Vidoes and embeds will not be posted if there is no other content. Links
  17  * and images will be converted to a format suitable for the Facebook API and
  18  * long posts truncated - with a link to view the full post.
  19  *
  20  * Facebook contacts will not be able to view private photos, as they are not able to
  21  * authenticate to your site to establish identity. We will address this
  22  * in a future release.
  23  */
  24
  25 define('FACEBOOK_DEFAULT_POLL_INTERVAL', 5); // given in minutes
  26
  27 require_once('include/security.php');
  28
  29 function fbpost_install() {
  30         register_hook('post_local',       'addon/fbpost/fbpost.php', 'fbpost_post_local');
  31         register_hook('notifier_normal',  'addon/fbpost/fbpost.php', 'fbpost_post_hook');
  32         register_hook('jot_networks',     'addon/fbpost/fbpost.php', 'fbpost_jot_nets');
  33         register_hook('connector_settings',  'addon/fbpost/fbpost.php', 'fbpost_plugin_settings');
  34         register_hook('enotify',          'addon/fbpost/fbpost.php', 'fbpost_enotify');
  35         register_hook('queue_predeliver', 'addon/fbpost/fbpost.php', 'fbpost_queue_hook');
  36         register_hook('cron',             'addon/fbpost/fbpost.php', 'fbpost_cron');
  37 }
  38
  39
  40 function fbpost_uninstall() {
  41         unregister_hook('post_local',       'addon/fbpost/fbpost.php', 'fbpost_post_local');
  42         unregister_hook('notifier_normal',  'addon/fbpost/fbpost.php', 'fbpost_post_hook');
  43         unregister_hook('jot_networks',     'addon/fbpost/fbpost.php', 'fbpost_jot_nets');
  44         unregister_hook('connector_settings',  'addon/fbpost/fbpost.php', 'fbpost_plugin_settings');
  45         unregister_hook('enotify',          'addon/fbpost/fbpost.php', 'fbpost_enotify');
  46         unregister_hook('queue_predeliver', 'addon/fbpost/fbpost.php', 'fbpost_queue_hook');
  47         unregister_hook('cron',             'addon/fbpost/fbpost.php', 'fbpost_cron');
  48 }
  49
  50
  51 /* declare the fbpost_module function so that /fbpost url requests will land here */
  52
  53 function fbpost_module() {}
  54
  55
  56
  57 // If a->argv[1] is a nickname, this is a callback from Facebook oauth requests.
  58 // If $_REQUEST["realtime_cb"] is set, this is a callback from the Real-Time Updates API
  59
  60 /**
  61  * @param App $a
  62  */
  63 function fbpost_init(&$a) {
  64
  65         if($a->argc != 2)
  66                 return;
  67
  68         $nick = $a->argv[1];
  69
  70         if(strlen($nick))
  71                 $r = q("SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
  72                                 dbesc($nick)
  73                 );
  74         if(!(isset($r) && count($r)))
  75                 return;
  76
  77         $uid           = $r[0]['uid'];
  78         $auth_code     = (x($_GET, 'code') ? $_GET['code'] : '');
  79         $error         = (x($_GET, 'error_description') ? $_GET['error_description'] : '');
  80
  81
  82         if($error)
  83                 logger('fbpost_init: Error: ' . $error);
  84
  85         if($auth_code && $uid) {
  86
  87                 $appid = get_config('facebook','appid');
  88                 $appsecret = get_config('facebook', 'appsecret');
  89
  90                 $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id='
  91                         . $appid . '&client_secret=' . $appsecret . '&redirect_uri='
  92                         . urlencode($a->get_baseurl() . '/fbpost/' . $nick)
  93                         . '&code=' . $auth_code);
  94
  95                 logger('fbpost_init: returned access token: ' . $x, LOGGER_DATA);
  96
  97                 if(strpos($x,'access_token=') !== false) {
  98                         $token = str_replace('access_token=', '', $x);
  99                         if(strpos($token,'&') !== false)
 100                                 $token = substr($token,0,strpos($token,'&'));
 101                         set_pconfig($uid,'facebook','access_token',$token);
 102                         set_pconfig($uid,'facebook','post','1');
 103                         fbpost_get_self($uid);
 104                 }
 105
 106         }
 107
 108 }
 109
 110
 111 /**
 112  * @param int $uid
 113  */
 114 function fbpost_get_self($uid) {
 115         $access_token = get_pconfig($uid,'facebook','access_token');
 116         if(! $access_token)
 117                 return;
 118         $s = fetch_url('https://graph.facebook.com/me/?access_token=' . $access_token);
 119         if($s) {
 120                 $j = json_decode($s);
 121                 set_pconfig($uid,'facebook','self_id',(string) $j->id);
 122         }
 123 }
 124
 125
 126 // This is the POST method to the facebook settings page
 127 // Content is posted to Facebook in the function facebook_post_hook()
 128
 129 /**
 130  * @param App $a
 131  */
 132 function fbpost_post(&$a) {
 133
 134         $uid = local_user();
 135         if($uid){
 136
 137
 138                 $fb_limited = get_config('facebook','crestrict');
 139
 140
 141                 $value = ((x($_POST,'post_by_default')) ? intval($_POST['post_by_default']) : 0);
 142                 set_pconfig($uid,'facebook','post_by_default', $value);
 143
 144                 $value = ((x($_POST,'mirror_posts')) ? intval($_POST['mirror_posts']) : 0);
 145                 set_pconfig($uid,'facebook','mirror_posts', $value);
 146
 147                 $value = ((x($_POST,'suppress_view_on_friendica')) ? intval($_POST['suppress_view_on_friendica']) : 0);
 148                 set_pconfig($uid,'facebook','suppress_view_on_friendica', $value);
 149
 150                 $value = ((x($_POST,'post_to_page')) ? $_POST['post_to_page'] : "0-0");
 151                 $values = explode("-", $value);
 152                 set_pconfig($uid,'facebook','post_to_page', $values[0]);
 153                 set_pconfig($uid,'facebook','page_access_token', $values[1]);
 154
 155                 $result = q("SELECT `installed` FROM `addon` WHERE `name` = 'fbsync' AND `installed`");
 156                 if (count($result) > 0) {
 157                         set_pconfig(local_user(),'fbsync','sync',intval($_POST['fbsync']));
 158                         set_pconfig(local_user(),'fbsync','create_user',intval($_POST['create_user']));
 159                 }
 160
 161                 info( t('Settings updated.') . EOL);
 162         }
 163
 164         return;
 165 }
 166
 167 // Facebook settings form
 168
 169 /**
 170  * @param App $a
 171  * @return string
 172  */
 173 function fbpost_content(&$a) {
 174
 175         if(! local_user()) {
 176                 notice( t('Permission denied.') . EOL);
 177                 return '';
 178         }
 179
 180
 181         if(! service_class_allows(local_user(),'facebook_connect')) {
 182                 notice( t('Permission denied.') . EOL);
 183                 return upgrade_bool_message();
 184         }
 185
 186
 187         if($a->argc > 1 && $a->argv[1] === 'remove') {
 188                 del_pconfig(local_user(),'facebook','post');
 189                 info( t('Facebook Post disabled') . EOL);
 190         }
 191
 192         require_once("mod/settings.php");
 193         settings_init($a);
 194
 195         $o = '';
 196
 197         $fb_installed = false;
 198         if (get_pconfig(local_user(),'facebook','post')) {
 199                 $access_token = get_pconfig(local_user(),'facebook','access_token');
 200                 if ($access_token) {
 201                         $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
 202                         if($s) {
 203                                 $j = json_decode($s);
 204                                 if (isset($j->data)) $fb_installed = true;
 205                         }
 206                 }
 207         }
 208
 209         $appid = get_config('facebook','appid');
 210
 211         if(! $appid) {
 212                 notice( t('Facebook API key is missing.') . EOL);
 213                 return '';
 214         }
 215
 216         $a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="'
 217                 . $a->get_baseurl() . '/addon/fbpost/fbpost.css' . '" media="all" />' . "\r\n";
 218
 219         $result = q("SELECT `installed` FROM `addon` WHERE `name` = 'fbsync' AND `installed`");
 220         $fbsync = (count($result) > 0);
 221
 222         if($fbsync)
 223                 $title = t('Facebook Import/Export/Mirror');
 224         else
 225                 $title = t('Facebook Export/Mirror');
 226
 227         $o .= '<img class="connector" src="images/facebook.png" /><h3 class="connector">'.$title.'</h3>';
 228
 229         if(! $fb_installed) {
 230                 $o .= '<div id="fbpost-enable-wrapper">';
 231
 232                 //read_stream,publish_stream,manage_pages,photo_upload,user_groups,offline_access
 233
 234                 $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
 235                         . $a->get_baseurl() . '/fbpost/' . $a->user['nickname'] . '&scope=export_stream,read_stream,publish_stream,manage_pages,photo_upload,user_groups,publish_actions,user_friends,create_note,share_item,video_upload,status_update">' . t('Install Facebook Post connector for this account.') . '</a>';
 236                 $o .= '</div>';
 237         }
 238
 239         if($fb_installed) {
 240                 $o .= '<div id="fbpost-disable-wrapper">';
 241
 242                 $o .= '<a href="' . $a->get_baseurl() . '/fbpost/remove' . '">' . t('Remove Facebook Post connector') . '</a></div>';
 243
 244                 $o .= '<div id="fbpost-enable-wrapper">';
 245
 246                 $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
 247                         . $a->get_baseurl() . '/fbpost/' . $a->user['nickname'] . '&scope=export_stream,read_stream,publish_stream,manage_pages,photo_upload,user_groups,publish_actions,user_friends,create_note,share_item,video_upload,status_update">' . t('Re-authenticate [This is necessary whenever your Facebook password is changed.]') . '</a>';
 248                 $o .= '</div>';
 249
 250                 $o .= '<div id="fbpost-post-default-form">';
 251                 $o .= '<form action="fbpost" method="post" >';
 252                 $post_by_default = get_pconfig(local_user(),'facebook','post_by_default');
 253                 $checked = (($post_by_default) ? ' checked="checked" ' : '');
 254                 $o .= '<input type="checkbox" name="post_by_default" value="1"' . $checked . '/>' . ' ' . t('Post to Facebook by default') . EOL;
 255
 256                 $suppress_view_on_friendica = get_pconfig(local_user(),'facebook','suppress_view_on_friendica');
 257                 $checked = (($suppress_view_on_friendica) ? ' checked="checked" ' : '');
 258                 $o .= '<input type="checkbox" name="suppress_view_on_friendica" value="1"' . $checked . '/>' . ' ' . t('Suppress "View on friendica"') . EOL;
 259
 260                 $mirror_posts = get_pconfig(local_user(),'facebook','mirror_posts');
 261                 $checked = (($mirror_posts) ? ' checked="checked" ' : '');
 262                 $o .= '<input type="checkbox" name="mirror_posts" value="1"' . $checked . '/>' . ' ' . t('Mirror wall posts from facebook to friendica.') . EOL;
 263
 264                 // List all pages
 265                 $post_to_page = get_pconfig(local_user(),'facebook','post_to_page');
 266                 $page_access_token = get_pconfig(local_user(),'facebook','page_access_token');
 267                 $fb_token  = get_pconfig($a->user['uid'],'facebook','access_token');
 268                 $url = 'https://graph.facebook.com/me/accounts';
 269                 $x = fetch_url($url."?access_token=".$fb_token);
 270                 $accounts = json_decode($x);
 271
 272                 $o .= t("Post to page/group:")."<select name='post_to_page'>";
 273                 if (intval($post_to_page) == 0)
 274                         $o .= "<option value='0-0' selected>".t('None')."</option>";
 275                 else
 276                         $o .= "<option value='0-0'>".t('None')."</option>";
 277
 278                 foreach($accounts->data as $account) {
 279                         if (is_array($account->perms))
 280                                 if ($post_to_page == $account->id)
 281                                         $o .= "<option value='".$account->id."-".$account->access_token."' selected>".$account->name."</option>";
 282                                 else
 283                                         $o .= "<option value='".$account->id."-".$account->access_token."'>".$account->name."</option>";
 284                 }
 285
 286                 $url = 'https://graph.facebook.com/me/groups';
 287                 $x = fetch_url($url."?access_token=".$fb_token);
 288                 $groups = json_decode($x);
 289
 290                 foreach($groups->data as $group) {
 291                         if ($post_to_page == $group->id)
 292                                 $o .= "<option value='".$group->id."-0' selected>".$group->name."</option>";
 293                         else
 294                                 $o .= "<option value='".$group->id."-0'>".$group->name."</option>";
 295                 }
 296
 297                 $o .= "</select>";
 298
 299                 if ($fbsync) {
 300
 301                         $o .= '<div class="clear"></div>';
 302
 303                         $sync_enabled = get_pconfig(local_user(),'fbsync','sync');
 304                         $checked = (($sync_enabled) ? ' checked="checked" ' : '');
 305                         $o .= '<input type="checkbox" name="fbsync" value="1"' . $checked . '/>' . ' ' . t('Import Facebook newsfeed.') . EOL;
 306
 307                         $create_user = get_pconfig(local_user(),'fbsync','create_user');
 308                         $checked = (($create_user) ? ' checked="checked" ' : '');
 309                         $o .= '<input type="checkbox" name="create_user" value="1"' . $checked . '/>' . ' ' . t('Automatically create contacts.') . EOL;
 310
 311                 }
 312                 $o .= '<p><input type="submit" name="submit" value="' . t('Save Settings') . '" /></form></div>';
 313         }
 314
 315         return $o;
 316 }
 317
 318 /**
 319  * @param App $a
 320  * @param null|object $b
 321  */
 322 function fbpost_plugin_settings(&$a,&$b) {
 323
 324         $enabled = get_pconfig(local_user(),'facebook','post');
 325         $css = (($enabled) ? '' : '-disabled');
 326
 327         $result = q("SELECT `installed` FROM `addon` WHERE `name` = 'fbsync' AND `installed`");
 328         if(count($result) > 0)
 329                 $title = t('Facebook Import/Export/Mirror');
 330         else
 331                 $title = t('Facebook Export/Mirror');
 332
 333         $b .= '<div class="settings-block">';
 334         $b .= '<a href="fbpost"><img class="connector'.$css.'" src="images/facebook.png" /><h3 class="connector">'.$title.'</h3></a>';
 335         $b .= '</div>';
 336 }
 337
 338
 339 /**
 340  * @param App $a
 341  * @param null|object $o
 342  */
 343 function fbpost_plugin_admin(&$a, &$o){
 344
 345
 346         $o = '<input type="hidden" name="form_security_token" value="' . get_form_security_token("fbsave") . '">';
 347
 348         $o .= '<h4>' . t('Facebook API Key') . '</h4>';
 349
 350         $appid  = get_config('facebook', 'appid'  );
 351         $appsecret = get_config('facebook', 'appsecret' );
 352
 353         $ret1 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appid' LIMIT 1");
 354         $ret2 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appsecret' LIMIT 1");
 355         if ((count($ret1) > 0 && $ret1[0]['v'] != $appid) || (count($ret2) > 0 && $ret2[0]['v'] != $appsecret)) $o .= t('Error: it appears that you have specified the App-ID and -Secret in your .htconfig.php file. As long as they are specified there, they cannot be set using this form.<br><br>');
 356
 357         $o .= '<label for="fb_appid">' . t('App-ID / API-Key') . '</label><input id="fb_appid" name="appid" type="text" value="' . escape_tags($appid ? $appid : "") . '"><br style="clear: both;">';
 358         $o .= '<label for="fb_appsecret">' . t('Application secret') . '</label><input id="fb_appsecret" name="appsecret" type="text" value="' . escape_tags($appsecret ? $appsecret : "") . '"><br style="clear: both;">';
 359
 360         $o .= '<input type="submit" name="fb_save_keys" value="' . t('Save') . '">';
 361
 362 }
 363
 364 /**
 365  * @param App $a
 366  */
 367
 368 function fbpost_plugin_admin_post(&$a){
 369         check_form_security_token_redirectOnErr('/admin/plugins/fbpost', 'fbsave');
 370
 371         if (x($_REQUEST,'fb_save_keys')) {
 372                 set_config('facebook', 'appid', $_REQUEST['appid']);
 373                 set_config('facebook', 'appsecret', $_REQUEST['appsecret']);
 374
 375                 info(t('The new values have been saved.'));
 376         }
 377
 378 }
 379
 380 /**
 381  * @param App $a
 382  * @param object $b
 383  * @return mixed
 384  */
 385 function fbpost_jot_nets(&$a,&$b) {
 386         if(! local_user())
 387                 return;
 388
 389         $fb_post = get_pconfig(local_user(),'facebook','post');
 390         if(intval($fb_post) == 1) {
 391                 $fb_defpost = get_pconfig(local_user(),'facebook','post_by_default');
 392                 $selected = ((intval($fb_defpost) == 1) ? ' checked="checked" ' : '');
 393                 $b .= '<div class="profile-jot-net"><input type="checkbox" name="facebook_enable"' . $selected . ' value="1" /> '
 394                         . t('Post to Facebook') . '</div>';
 395         }
 396 }
 397
 398 function fbpost_createmsg($b) {
 399         require_once("include/bbcode.php");
 400         require_once("include/html2plain.php");
 401
 402         $b['body'] = bb_CleanPictureLinks($b['body']);
 403
 404         // Looking for the first image
 405         $image = '';
 406         if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$b['body'],$matches))
 407                 $image = $matches[3];
 408
 409         if ($image == '')
 410                 if(preg_match("/\[img\](.*?)\[\/img\]/is",$b['body'],$matches))
 411                         $image = $matches[1];
 412
 413         $multipleimages = (strpos($b['body'], "[img") != strrpos($b['body'], "[img"));
 414
 415         // When saved into the database the content is sent through htmlspecialchars
 416         // That means that we have to decode all image-urls
 417         $image = htmlspecialchars_decode($image);
 418
 419         $body = $b["body"];
 420         if ($b["title"] != "")
 421                 $body = $b["title"]."\n\n".$body;
 422
 423         if (strpos($body, "[bookmark") !== false) {
 424                 // splitting the text in two parts:
 425                 // before and after the bookmark
 426                 $pos = strpos($body, "[bookmark");
 427                 $body1 = substr($body, 0, $pos);
 428                 $body2 = substr($body, $pos);
 429
 430                 // Removing all quotes after the bookmark
 431                 // they are mostly only the content after the bookmark.
 432                 $body2 = preg_replace("/\[quote\=([^\]]*)\](.*?)\[\/quote\]/ism",'',$body2);
 433                 $body2 = preg_replace("/\[quote\](.*?)\[\/quote\]/ism",'',$body2);
 434
 435                 $pos2 = strpos($body2, "[/bookmark]");
 436                 if ($pos2)
 437                         $body2 = substr($body2, $pos2 + 11);
 438
 439                 $body = $body1.$body2;
 440         }
 441
 442         // Add some newlines so that the message could be cut better
 443         $body = str_replace(array("[quote", "[bookmark", "[/bookmark]", "[/quote]"),
 444                                 array("\n[quote", "\n[bookmark", "[/bookmark]\n", "[/quote]\n"), $body);
 445
 446         // remove the recycle signs and the names since they aren't helpful on twitter
 447         // $recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 448         // $body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n", $body);
 449
 450         // At first convert the text to html
 451         $html = bbcode($body, false, false, 2);
 452
 453         // Then convert it to plain text
 454         //$msg = trim($b['title']." \n\n".html2plain($html, 0, true));
 455         $msg = trim(html2plain($html, 0, true));
 456         $msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8');
 457
 458         // Removing multiple newlines
 459         while (strpos($msg, "\n\n\n") !== false)
 460                 $msg = str_replace("\n\n\n", "\n\n", $msg);
 461
 462         // Removing multiple spaces
 463         while (strpos($msg, "  ") !== false)
 464                 $msg = str_replace("  ", " ", $msg);
 465
 466         // Removing URLs
 467         $msg = preg_replace('/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', "", $msg);
 468
 469         $msg = trim($msg);
 470
 471         $link = '';
 472         $linkname = '';
 473         // look for bookmark-bbcode and handle it with priority
 474         if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches)) {
 475                 $link = $matches[1];
 476                 $linkname = $matches[2];
 477         }
 478
 479         $multiplelinks = (strpos($b['body'], "[bookmark") != strrpos($b['body'], "[bookmark"));
 480
 481         if ($multiplelinks)
 482                 $linkname = '';
 483
 484         // If there is no bookmark element then take the first link
 485         if ($link == '') {
 486                 $links = collecturls($html);
 487                 if (sizeof($links) > 0) {
 488                         reset($links);
 489                         $link = current($links);
 490                 }
 491                 $multiplelinks = (sizeof($links) > 1);
 492         }
 493
 494         $msglink = "";
 495         if ($multiplelinks)
 496                 $msglink = $b["plink"];
 497         else if ($link != "")
 498                 $msglink = $link;
 499         else if ($multipleimages)
 500                 $msglink = $b["plink"];
 501         else if ($image != "")
 502                 $msglink = $image;
 503
 504         // Removing multiple spaces - again
 505         while (strpos($msg, "  ") !== false)
 506                 $msg = str_replace("  ", " ", $msg);
 507
 508         if ($msglink != "") {
 509                 // Looking if the link points to an image
 510                 $img_str = fetch_url($msglink);
 511
 512                 $tempfile = tempnam(get_config("system","temppath"), "cache");
 513                 file_put_contents($tempfile, $img_str);
 514                 $mime = image_type_to_mime_type(exif_imagetype($tempfile));
 515                 unlink($tempfile);
 516         } else
 517                 $mime = "";
 518
 519         if (($image == $msglink) OR (substr($mime, 0, 6) == "image/"))
 520                 return(array("msg"=>trim($msg), "link"=>"", "linkname"=>$linkname, "image"=>$msglink));
 521         else
 522                 return(array("msg"=>trim($msg), "link"=>$msglink, "linkname"=>$linkname,"image"=>$image));
 523 }
 524
 525 /**
 526  * @param App $a
 527  * @param object $b
 528  * @return mixed
 529  */
 530 function fbpost_post_hook(&$a,&$b) {
 531
 532         logger('fbpost_post_hook: Facebook post invoked', LOGGER_DEBUG);
 533
 534         if($b['deleted'] || ($b['created'] !== $b['edited']))
 535                 return;
 536
 537         logger('fbpost_post_hook: Facebook post first check successful', LOGGER_DEBUG);
 538
 539         // if post comes from facebook don't send it back
 540         if(($b['app'] == "Facebook") AND ($b['verb'] != ACTIVITY_LIKE))
 541                 return;
 542
 543         logger('fbpost_post_hook: Facebook post accepted', LOGGER_DEBUG);
 544
 545         /**
 546          * Post to Facebook stream
 547          */
 548
 549         require_once('include/group.php');
 550         require_once('include/html2plain.php');
 551
 552
 553         $reply = false;
 554         $likes = false;
 555
 556         $deny_arr = array();
 557         $allow_arr = array();
 558
 559         $toplevel = (($b['id'] == $b['parent']) ? true : false);
 560
 561
 562         $linking = ((get_pconfig($b['uid'],'facebook','no_linking')) ? 0 : 1);
 563
 564         if((!$toplevel) && ($linking)) {
 565                 $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 566                         intval($b['parent']),
 567                         intval($b['uid'])
 568                 );
 569                 //$r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 570                 //      dbesc($b['parent-uri']),
 571                 //      intval($b['uid'])
 572                 //);
 573
 574                 // is it a reply to a facebook post?
 575                 // A reply to a toplevel post is only allowed for "real" facebook posts
 576                 if(count($r) && substr($r[0]['uri'],0,4) === 'fb::')
 577                         $reply = substr($r[0]['uri'],4);
 578                 elseif(count($r) && (substr($r[0]['extid'],0,4) === 'fb::') AND ($r[0]['id'] != $r[0]['parent']))
 579                         $reply = substr($r[0]['extid'],4);
 580                 else
 581                         return;
 582
 583                 $u = q("SELECT * FROM user where uid = %d limit 1",
 584                         intval($b['uid'])
 585                 );
 586                 if(! count($u))
 587                         return;
 588
 589                 // only accept comments from the item owner. Other contacts are unknown to FB.
 590
 591                 if(! link_compare($b['author-link'], $a->get_baseurl() . '/profile/' . $u[0]['nickname']))
 592                         return;
 593
 594
 595                 logger('fbpost_post_hook: facebook reply id=' . $reply);
 596         }
 597
 598         if(strstr($b['postopts'],'facebook') || ($b['private']) || ($reply)) {
 599
 600                 if($b['private'] && $reply === false) {
 601                         $allow_people = expand_acl($b['allow_cid']);
 602                         $allow_groups = expand_groups(expand_acl($b['allow_gid']));
 603                         $deny_people  = expand_acl($b['deny_cid']);
 604                         $deny_groups  = expand_groups(expand_acl($b['deny_gid']));
 605
 606                         $recipients = array_unique(array_merge($allow_people,$allow_groups));
 607                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 608
 609                         $allow_str = dbesc(implode(', ',$recipients));
 610                         if($allow_str) {
 611                                 logger("fbpost_post_hook: private post to: ".$allow_str, LOGGER_DEBUG);
 612                                 $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $allow_str ) AND `network` = 'face'");
 613                                 if(count($r))
 614                                         foreach($r as $rr)
 615                                                 $allow_arr[] = $rr['notify'];
 616                         }
 617
 618                         $deny_str = dbesc(implode(', ',$deny));
 619                         if($deny_str) {
 620                                 $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $deny_str ) AND `network` = 'face'");
 621                                 if(count($r))
 622                                         foreach($r as $rr)
 623                                                 $deny_arr[] = $rr['notify'];
 624                         }
 625
 626                         if(count($deny_arr) && (! count($allow_arr))) {
 627
 628                                 // One or more FB folks were denied access but nobody on FB was specifically allowed access.
 629                                 // This might cause the post to be open to public on Facebook, but only to selected members
 630                                 // on another network. Since this could potentially leak a post to somebody who was denied,
 631                                 // we will skip posting it to Facebook with a slightly vague but relevant message that will
 632                                 // hopefully lead somebody to this code comment for a better explanation of what went wrong.
 633
 634                                 notice( t('Post to Facebook cancelled because of multi-network access permission conflict.') . EOL);
 635                                 return;
 636                         }
 637
 638
 639                         // if it's a private message but no Facebook members are allowed or denied, skip Facebook post
 640
 641                         if((! count($allow_arr)) && (! count($deny_arr)))
 642                                 return;
 643                 }
 644
 645                 if($b['verb'] == ACTIVITY_LIKE) {
 646                         $likes = true;
 647                         logger('fbpost_post_hook: liking '.print_r($b, true), LOGGER_DEBUG);
 648                 }
 649
 650
 651                 $appid  = get_config('facebook', 'appid'  );
 652                 $secret = get_config('facebook', 'appsecret' );
 653
 654                 if($appid && $secret) {
 655
 656                         logger('fbpost_post_hook: have appid+secret');
 657
 658                         $fb_token  = get_pconfig($b['uid'],'facebook','access_token');
 659
 660
 661                         // post to facebook if it's a public post and we've ticked the 'post to Facebook' box,
 662                         // or it's a private message with facebook participants
 663                         // or it's a reply or likes action to an existing facebook post
 664
 665                         if($fb_token && ($toplevel || $b['private'] || $reply)) {
 666                                 logger('fbpost_post_hook: able to post');
 667                                 require_once('library/facebook.php');
 668                                 require_once('include/bbcode.php');
 669
 670                                 $msg = $b['body'];
 671
 672                                 logger('fbpost_post_hook: original msg=' . $msg, LOGGER_DATA);
 673
 674                                 if ($toplevel) {
 675                                         $msgarr = fbpost_createmsg($b);
 676                                         $msg = $msgarr["msg"];
 677                                         $link = $msgarr["link"];
 678                                         $image = $msgarr["image"];
 679                                         $linkname = $msgarr["linkname"];
 680
 681                                         // Fallback - if message is empty
 682                                         if(!strlen($msg))
 683                                                 $msg = $linkname;
 684
 685                                         if(!strlen($msg))
 686                                                 $msg = $link;
 687
 688                                         if(!strlen($msg))
 689                                                 $msg = $image;
 690                                 } else {
 691                                         require_once("include/bbcode.php");
 692                                         require_once("include/html2plain.php");
 693                                         $msg = bb_CleanPictureLinks($msg);
 694                                         $msg = bbcode($msg, false, false, 2, true);
 695                                         $msg = trim(html2plain($msg, 0));
 696                                         $link = "";
 697                                         $image = "";
 698                                         $linkname = "";
 699                                 }
 700
 701                                 // If there is nothing to post then exit
 702                                 if(!strlen($msg))
 703                                         return;
 704
 705                                 logger('fbpost_post_hook: msg=' . $msg, LOGGER_DATA);
 706
 707                                 $video = "";
 708
 709                                 if($likes) {
 710                                         $postvars = array('access_token' => $fb_token);
 711                                 } else {
 712                                         // message, picture, link, name, caption, description, source, place, tags
 713                                         //if(trim($link) != "")
 714                                         //      if (@exif_imagetype($link) != 0) {
 715                                         //              $image = $link;
 716                                         //              $link = "";
 717                                         //      }
 718
 719                                         $postvars = array(
 720                                                 'access_token' => $fb_token,
 721                                                 'message' => $msg
 722                                         );
 723                                         if(trim($image) != "")
 724                                                 $postvars['picture'] = $image;
 725
 726                                         if(trim($link) != "") {
 727                                                 $postvars['link'] = $link;
 728
 729                                                 if ((stristr($link,'youtube')) || (stristr($link,'youtu.be')) || (stristr($link,'vimeo'))) {
 730                                                         $video = $link;
 731                                                 }
 732                                         }
 733                                         if(trim($linkname) != "")
 734                                                 $postvars['name'] = $linkname;
 735                                 }
 736
 737                                 if(($b['private']) && ($toplevel)) {
 738                                         $postvars['privacy'] = '{"value": "CUSTOM", "friends": "SOME_FRIENDS"';
 739                                         if(count($allow_arr))
 740                                                 $postvars['privacy'] .= ',"allow": "' . implode(',',$allow_arr) . '"';
 741                                         if(count($deny_arr))
 742                                                 $postvars['privacy'] .= ',"deny": "' . implode(',',$deny_arr) . '"';
 743                                         $postvars['privacy'] .= '}';
 744
 745                                 }
 746
 747                                 $post_to_page = get_pconfig($b['uid'],'facebook','post_to_page');
 748                                 $page_access_token = get_pconfig($b['uid'],'facebook','page_access_token');
 749                                 if ((intval($post_to_page) != 0) and ($page_access_token != ""))
 750                                         $target = $post_to_page;
 751                                 else
 752                                         $target = "me";
 753
 754                                 if($reply) {
 755                                         $url = 'https://graph.facebook.com/' . $reply . '/' . (($likes) ? 'likes' : 'comments');
 756                                 } else if (($video != "") or (($image == "") and ($link != ""))) {
 757                                         // If it is a link to a video or a link without a preview picture then post it as a link
 758                                         if ($video != "")
 759                                                 $link = $video;
 760
 761                                         $postvars = array(
 762                                                 'access_token' => $fb_token,
 763                                                 'link' => $link,
 764                                         );
 765                                         if ($msg != $video)
 766                                                 $postvars['message'] = $msg;
 767
 768                                         $url = 'https://graph.facebook.com/'.$target.'/links';
 769                                 } else if (($link == "") and ($image != "")) {
 770                                         // If it is only an image without a page link then post this image as a photo
 771                                         $postvars = array(
 772                                                 'access_token' => $fb_token,
 773                                                 'url' => $image,
 774                                         );
 775                                         if ($msg != $image)
 776                                                 $postvars['message'] = $msg;
 777
 778                                         $url = 'https://graph.facebook.com/'.$target.'/photos';
 779                                 } else if (($link != "") or ($image != "") or ($b['title'] == '') or (strlen($msg) < 500)) {
 780                                         $url = 'https://graph.facebook.com/'.$target.'/feed';
 781                                         if (!get_pconfig($b['uid'],'facebook','suppress_view_on_friendica') and $b['plink'])
 782                                                 $postvars['actions'] = '{"name": "' . t('View on Friendica') . '", "link": "' .  $b['plink'] . '"}';
 783                                 } else {
 784                                         // if its only a message and a subject and the message is larger than 500 characters then post it as note
 785                                         $postvars = array(
 786                                                 'access_token' => $fb_token,
 787                                                 'message' => bbcode($b['body'], false, false),
 788                                                 'subject' => $b['title'],
 789                                         );
 790                                         $url = 'https://graph.facebook.com/'.$target.'/notes';
 791                                 }
 792
 793                                 // Post to page?
 794                                 if (!$reply and ($target != "me") and $page_access_token)
 795                                         $postvars['access_token'] = $page_access_token;
 796
 797                                 logger('fbpost_post_hook: post to ' . $url);
 798                                 logger('fbpost_post_hook: postvars: ' . print_r($postvars,true));
 799
 800                                 // "test_mode" prevents anything from actually being posted.
 801                                 // Otherwise, let's do it.
 802
 803                                 if(!get_config('facebook','test_mode')) {
 804                                         $x = post_url($url, $postvars);
 805                                         logger('fbpost_post_hook: post returns: ' . $x, LOGGER_DEBUG);
 806
 807                                         $retj = json_decode($x);
 808                                         if($retj->id) {
 809                                                 // Only set the extid when it isn't the toplevel post
 810                                                 q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d AND `parent` != %d",
 811                                                         dbesc('fb::' . $retj->id),
 812                                                         intval($b['id']),
 813                                                         intval($b['id'])
 814                                                 );
 815                                         } else {
 816                                                 // Sometimes posts are accepted from facebook although it telling an error
 817                                                 // This leads to endless comment flooding.
 818
 819                                                 // If it is a special kind of failure the post was receiced
 820                                                 // Although facebook said it wasn't received ...
 821                                                 if (!$likes AND (($retj->error->type != "OAuthException") OR ($retj->error->code != 2)) AND ($x <> "")) {
 822                                                         $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `self`", intval($b['uid']));
 823                                                         if (count($r))
 824                                                                 $a->contact = $r[0]["id"];
 825
 826                                                         $s = serialize(array('url' => $url, 'item' => $b['id'], 'post' => $postvars));
 827                                                         require_once('include/queue_fn.php');
 828                                                         add_to_queue($a->contact,NETWORK_FACEBOOK,$s);
 829                                                         logger('fbpost_post_hook: Post failed, requeued.', LOGGER_DEBUG);
 830                                                         notice( t('Facebook post failed. Queued for retry.') . EOL);
 831                                                 }
 832
 833                                                 if (isset($retj->error) && $retj->error->type == "OAuthException" && $retj->error->code == 190) {
 834                                                         logger('fbpost_post_hook: Facebook session has expired due to changed password.', LOGGER_DEBUG);
 835
 836                                                         $last_notification = get_pconfig($b['uid'], 'facebook', 'session_expired_mailsent');
 837                                                         if (!$last_notification || $last_notification < (time() - FACEBOOK_SESSION_ERR_NOTIFICATION_INTERVAL)) {
 838                                                                 require_once('include/enotify.php');
 839
 840                                                                 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($b['uid']));
 841                                                                 notification(array(
 842                                                                         'uid' => $b['uid'],
 843                                                                         'type' => NOTIFY_SYSTEM,
 844                                                                         'system_type' => 'facebook_connection_invalid',
 845                                                                         'language'     => $r[0]['language'],
 846                                                                         'to_name'      => $r[0]['username'],
 847                                                                         'to_email'     => $r[0]['email'],
 848                                                                         'source_name'  => t('Administrator'),
 849                                                                         'source_link'  => $a->config["system"]["url"],
 850                                                                         'source_photo' => $a->config["system"]["url"] . '/images/person-80.jpg',
 851                                                                 ));
 852
 853                                                                 set_pconfig($b['uid'], 'facebook', 'session_expired_mailsent', time());
 854                                                         } else logger('fbpost_post_hook: No notification, as the last one was sent on ' . $last_notification, LOGGER_DEBUG);
 855                                                 }
 856                                         }
 857                                 }
 858                         }
 859                 }
 860         }
 861 }
 862
 863 /**
 864  * @param App $app
 865  * @param object $data
 866  */
 867 function fbpost_enotify(&$app, &$data) {
 868         if (x($data, 'params') && $data['params']['type'] == NOTIFY_SYSTEM && x($data['params'], 'system_type') && $data['params']['system_type'] == 'facebook_connection_invalid') {
 869                 $data['itemlink'] = '/fbpost';
 870                 $data['epreamble'] = $data['preamble'] = t('Your Facebook connection became invalid. Please Re-authenticate.');
 871                 $data['subject'] = t('Facebook connection became invalid');
 872                 $data['body'] = sprintf( t("Hi %1\$s,\n\nThe connection between your accounts on %2\$s and Facebook became invalid. This usually happens after you change your Facebook-password. To enable the connection again, you have to %3\$sre-authenticate the Facebook-connector%4\$s."), $data['params']['to_name'], "[url=" . $app->config["system"]["url"] . "]" . $app->config["sitename"] . "[/url]", "[url=" . $app->config["system"]["url"] . "/fbpost]", "[/url]");
 873         }
 874 }
 875
 876 /**
 877  * @param App $a
 878  * @param object $b
 879  */
 880 function fbpost_post_local(&$a,&$b) {
 881
 882         // Figure out if Facebook posting is enabled for this post and file it in 'postopts'
 883         // where we will discover it during background delivery.
 884
 885         // This can only be triggered by a local user posting to their own wall.
 886
 887         if((local_user()) && (local_user() == $b['uid'])) {
 888
 889                 $fb_post   = intval(get_pconfig(local_user(),'facebook','post'));
 890                 $fb_enable = (($fb_post && x($_REQUEST,'facebook_enable')) ? intval($_REQUEST['facebook_enable']) : 0);
 891
 892                 // if API is used, default to the chosen settings
 893                 // but allow a specific override
 894
 895                 if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'facebook','post_by_default'))) {
 896                         if(! x($_REQUEST,'facebook_enable'))
 897                                 $fb_enable = 1;
 898                 }
 899
 900                 if(! $fb_enable)
 901                         return;
 902
 903                 if(strlen($b['postopts']))
 904                         $b['postopts'] .= ',';
 905                 $b['postopts'] .= 'facebook';
 906         }
 907 }
 908
 909
 910 /**
 911  * @param App $a
 912  * @param object $b
 913  */
 914 function fbpost_queue_hook(&$a,&$b) {
 915
 916         $qi = q("SELECT * FROM `queue` WHERE `network` = '%s'",
 917                 dbesc(NETWORK_FACEBOOK)
 918         );
 919         if(! count($qi))
 920                 return;
 921
 922         require_once('include/queue_fn.php');
 923
 924         foreach($qi as $x) {
 925                 if($x['network'] !== NETWORK_FACEBOOK)
 926                         continue;
 927
 928                 logger('fbpost_queue_hook: run');
 929
 930                 $r = q("SELECT `user`.* FROM `user` LEFT JOIN `contact` on `contact`.`uid` = `user`.`uid`
 931                         WHERE `contact`.`self` = 1 AND `contact`.`id` = %d LIMIT 1",
 932                         intval($x['cid'])
 933                 );
 934                 if(! count($r)) {
 935                         logger('fbpost_queue_hook: no user found for entry '.print_r($x, true));
 936                         update_queue_time($x['id']);
 937                         continue;
 938                 }
 939
 940                 $user = $r[0];
 941
 942                 $appid  = get_config('facebook', 'appid'  );
 943                 $secret = get_config('facebook', 'appsecret' );
 944
 945                 if($appid && $secret) {
 946                         $fb_post   = intval(get_pconfig($user['uid'],'facebook','post'));
 947                         $fb_token  = get_pconfig($user['uid'],'facebook','access_token');
 948
 949                         if($fb_post && $fb_token) {
 950                                 logger('fbpost_queue_hook: able to post');
 951                                 require_once('library/facebook.php');
 952
 953                                 $z = unserialize($x['content']);
 954                                 $item = $z['item'];
 955                                 $j = post_url($z['url'],$z['post']);
 956
 957                                 $retj = json_decode($j);
 958                                 if($retj->id) {
 959                                         // Only set the extid when it isn't the toplevel post
 960                                         q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d AND `parent` != %d",
 961                                                 dbesc('fb::' . $retj->id),
 962                                                 intval($item),
 963                                                 intval($item)
 964                                         );
 965                                         logger('fbpost_queue_hook: success: ' . $j);
 966                                         remove_queue_item($x['id']);
 967                                 } else {
 968                                         logger('fbpost_queue_hook: failed: ' . $j);
 969
 970                                         // If it is a special kind of failure the post was receiced
 971                                         // Although facebook said it wasn't received ...
 972                                         $ret = json_decode($j);
 973                                         if (($ret->error->type != "OAuthException") OR ($ret->error->code != 2) AND ($j <> ""))
 974                                                 update_queue_time($x['id']);
 975                                         else
 976                                                 logger('fbpost_queue_hook: Not requeued, since it seems to be received');
 977                                 }
 978                         } else {
 979                                 logger('fbpost_queue_hook: No fb_post or fb_token.');
 980                                 update_queue_time($x['id']);
 981                         }
 982                 } else {
 983                         logger('fbpost_queue_hook: No appid or secret.');
 984                         update_queue_time($x['id']);
 985                 }
 986         }
 987 }
 988
 989
 990 /**
 991  * @return bool|string
 992  */
 993 function fbpost_get_app_access_token() {
 994
 995         $acc_token = get_config('facebook','app_access_token');
 996
 997         if ($acc_token !== false) return $acc_token;
 998
 999         $appid = get_config('facebook','appid');
1000         $appsecret = get_config('facebook', 'appsecret');
1001
1002         if ($appid === false || $appsecret === false) {
1003                 logger('fb_get_app_access_token: appid and/or appsecret not set', LOGGER_DEBUG);
1004                 return false;
1005         }
1006         logger('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials', LOGGER_DATA);
1007         $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials');
1008
1009         if(strpos($x,'access_token=') !== false) {
1010                 logger('fb_get_app_access_token: returned access token: ' . $x, LOGGER_DATA);
1011
1012                 $token = str_replace('access_token=', '', $x);
1013                 if(strpos($token,'&') !== false)
1014                         $token = substr($token,0,strpos($token,'&'));
1015
1016                 if ($token == "") {
1017                         logger('fb_get_app_access_token: empty token: ' . $x, LOGGER_DEBUG);
1018                         return false;
1019                 }
1020                 set_config('facebook','app_access_token',$token);
1021                 return $token;
1022         } else {
1023                 logger('fb_get_app_access_token: response did not contain an access_token: ' . $x, LOGGER_DATA);
1024                 return false;
1025         }
1026 }
1027
1028 function fbpost_cron($a,$b) {
1029         $last = get_config('facebook','last_poll');
1030
1031         $poll_interval = intval(get_config('facebook','poll_interval'));
1032         if(! $poll_interval)
1033                 $poll_interval = FACEBOOK_DEFAULT_POLL_INTERVAL;
1034
1035         if($last) {
1036                 $next = $last + ($poll_interval * 60);
1037                 if($next > time()) {
1038                         logger('facebook: poll intervall not reached');
1039                         return;
1040                 }
1041         }
1042         logger('facebook: cron_start');
1043
1044         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'mirror_posts' AND `v` = '1' ORDER BY RAND() ");
1045         if(count($r)) {
1046                 foreach($r as $rr) {
1047                         logger('facebook: fetching for user '.$rr['uid']);
1048                         fbpost_fetchwall($a, $rr['uid']);
1049                 }
1050         }
1051
1052         logger('facebook: cron_end');
1053
1054         set_config('facebook','last_poll', time());
1055 }
1056
1057 function fbpost_fetchwall($a, $uid) {
1058         require_once("include/oembed.php");
1059
1060         $access_token = get_pconfig($uid,'facebook','access_token');
1061         $post_to_page = get_pconfig($uid,'facebook','post_to_page');
1062         $lastcreated = get_pconfig($uid,'facebook','last_created');
1063
1064         if ((int)$post_to_page == 0)
1065                 $post_to_page = "me";
1066
1067         $url = "https://graph.facebook.com/".$post_to_page."/feed?access_token=".$access_token;
1068
1069         $first_time = ($lastcreated == "");
1070
1071         if ($lastcreated != "")
1072                 $url .= "&since=".urlencode($lastcreated);
1073
1074         $feed = fetch_url($url);
1075         $data = json_decode($feed);
1076
1077         if (!is_array($data->data))
1078                 return;
1079
1080         $items = array_reverse($data->data);
1081
1082         foreach ($items as $item) {
1083                 if ($item->created_time > $lastcreated)
1084                         $lastcreated = $item->created_time;
1085
1086                 if ($first_time)
1087                         continue;
1088
1089                 if ($item->application->id == get_config('facebook','appid'))
1090                         continue;
1091
1092                 if(isset($item->privacy) && ($item->privacy->value !== 'EVERYONE') && ($item->privacy->value !== ''))
1093                         continue;
1094
1095                 if (($post_to_page != $item->from->id) AND ((int)$post_to_page != 0))
1096                         continue;
1097
1098                 if (!strstr($item->id, $item->from->id."_") AND isset($item->to) AND ((int)$post_to_page == 0))
1099                         continue;
1100
1101                 $_SESSION["authenticated"] = true;
1102                 $_SESSION["uid"] = $uid;
1103
1104                 unset($_REQUEST);
1105                 $_REQUEST["type"] = "wall";
1106                 $_REQUEST["api_source"] = true;
1107                 $_REQUEST["profile_uid"] = $uid;
1108                 $_REQUEST["source"] = "Facebook";
1109
1110                 $_REQUEST["title"] = "";
1111
1112                 $_REQUEST["body"] = (isset($item->message) ? escape_tags($item->message) : '');
1113
1114                 $content = "";
1115                 $type = "";
1116
1117                 if(isset($item->name) and isset($item->link)) {
1118                         $oembed_data = oembed_fetch_url($item->link);
1119                         $type = $oembed_data->type;
1120                         $content = "[bookmark=".$item->link."]".$item->name."[/bookmark]";
1121                 } elseif (isset($item->name))
1122                         $content .= "[b]".$item->name."[/b]";
1123
1124                 $quote = "";
1125                 if(isset($item->description) and ($item->type != "photo"))
1126                         $quote = $item->description;
1127
1128                 if(isset($item->caption) and ($item->type == "photo"))
1129                         $quote = $item->caption;
1130
1131                 // Only import the picture when the message is no video
1132                 // oembed display a picture of the video as well
1133                 //if ($item->type != "video") {
1134                 //if (($item->type != "video") and ($item->type != "photo")) {
1135                 if (($type == "") OR ($type == "link")) {
1136
1137                         $type = $item->type;
1138
1139                         if(isset($item->picture) && isset($item->link))
1140                                 $content .= "\n".'[url='.$item->link.'][img]'.fpost_cleanpicture($item->picture).'[/img][/url]';
1141                         else {
1142                                 if (isset($item->picture))
1143                                         $content .= "\n".'[img]'.fpost_cleanpicture($item->picture).'[/img]';
1144                                 // if just a link, it may be a wall photo - check
1145                                 if(isset($item->link))
1146                                         $content .= fbpost_get_photo($uid,$item->link);
1147                         }
1148                 }
1149
1150                 if(trim($_REQUEST["body"].$content.$quote) == '') {
1151                         logger('facebook: empty body '.$item->id.' '.print_r($item, true));
1152                         continue;
1153                 }
1154
1155                 if ($content)
1156                         $_REQUEST["body"] .= "\n";
1157
1158                 if ($type)
1159                         $_REQUEST["body"] .= "[class=type-".$type."]";
1160
1161                 if ($content)
1162                         $_REQUEST["body"] .= trim($content);
1163
1164                 if ($quote)
1165                         $_REQUEST["body"] .= "\n[quote]".$quote."[/quote]";
1166
1167                 if ($type)
1168                         $_REQUEST["body"] .= "[/class]";
1169
1170                 $_REQUEST["body"] = trim($_REQUEST["body"]);
1171
1172                 if (isset($item->place)) {
1173                         if ($item->place->name or $item->place->location->street or
1174                                 $item->place->location->city or $item->place->location->country) {
1175                                 $_REQUEST["location"] = '';
1176                                 if ($item->place->name)
1177                                         $_REQUEST["location"] .= $item->place->name;
1178                                 if ($item->place->location->street)
1179                                         $_REQUEST["location"] .= " ".$item->place->location->street;
1180                                 if ($item->place->location->city)
1181                                         $_REQUEST["location"] .= " ".$item->place->location->city;
1182                                 if ($item->place->location->country)
1183                                         $_REQUEST["location"] .= " ".$item->place->location->country;
1184
1185                                 $_REQUEST["location"] = trim($_REQUEST["location"]);
1186                         }
1187                         if ($item->place->location->latitude and $item->place->location->longitude)
1188                                 $_REQUEST["coord"] = substr($item->place->location->latitude, 0, 8)
1189                                                 .' '.substr($item->place->location->longitude, 0, 8);
1190                 }
1191
1192                 //print_r($_REQUEST);
1193                 logger('facebook: posting for user '.$uid);
1194
1195                 require_once('mod/item.php');
1196                 item_post($a);
1197         }
1198
1199         set_pconfig($uid,'facebook','last_created', $lastcreated);
1200 }
1201
1202 function fbpost_get_photo($uid,$link) {
1203         $access_token = get_pconfig($uid,'facebook','access_token');
1204         if(! $access_token || (! stristr($link,'facebook.com/photo.php')))
1205                 return "";
1206
1207         $ret = preg_match('/fbid=([0-9]*)/',$link,$match);
1208         if($ret)
1209                 $photo_id = $match[1];
1210         else
1211                 return "";
1212
1213         $x = fetch_url('https://graph.facebook.com/'.$photo_id.'?access_token='.$access_token);
1214         $j = json_decode($x);
1215         if($j->picture)
1216                 return "\n\n".'[url='.$link.'][img]'.fpost_cleanpicture($j->picture).'[/img][/url]';
1217
1218         return "";
1219 }
1220
1221 function fpost_cleanpicture($image) {
1222
1223         if ((strpos($image, ".fbcdn.net/") OR strpos($image, "/fbcdn-photos-")) and (substr($image, -6) == "_s.jpg"))
1224                 $image = substr($image, 0, -6)."_n.jpg";
1225
1226         $queryvar = fbpost_parse_query($image);
1227         if ($queryvar['url'] != "")
1228                 $image = urldecode($queryvar['url']);
1229
1230         return $image;
1231 }
1232
1233 function fbpost_parse_query($var) {
1234         /**
1235          *  Use this function to parse out the query array element from
1236          *  the output of parse_url().
1237         */
1238         $var  = parse_url($var, PHP_URL_QUERY);
1239         $var  = html_entity_decode($var);
1240         $var  = explode('&', $var);
1241         $arr  = array();
1242
1243         foreach($var as $val) {
1244                 $x          = explode('=', $val);
1245                 $arr[$x[0]] = $x[1];
1246         }
1247
1248         unset($val, $x, $var);
1249         return $arr;
1250 }