fbsync/fbsync.php

   1 <?php
   2 /**
   3  * Name: Facebook Sync
   4  * Description: Synchronizes the Facebook Newsfeed
   5  * Version: 0.0.1 alpha
   6  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
   7  */
   8
   9 /* To-Do
  10 FBSync:
  11 - B: Threading for incoming comments
  12 - C: Receiving likes for comments
  13
  14 FBPost:
  15 - A: Posts to pages currently have the page as sender - not the user
  16 - B: Sending likes for comments
  17 - C: Threading for sent comments
  18 */
  19
  20 require_once("addon/fbpost/fbpost.php");
  21
  22 define('FBSYNC_DEFAULT_POLL_INTERVAL', 5); // given in minutes
  23
  24 function fbsync_install() {
  25         register_hook('connector_settings',      'addon/fbsync/fbsync.php', 'fbsync_settings');
  26         register_hook('connector_settings_post', 'addon/fbsync/fbsync.php', 'fbsync_settings_post');
  27         register_hook('cron', 'addon/fbsync/fbsync.php', 'fbsync_cron');
  28         register_hook('follow', 'addon/fbsync/fbsync.php', 'fbsync_follow');
  29 }
  30
  31 function fbsync_uninstall() {
  32         unregister_hook('connector_settings',      'addon/fbsync/fbsync.php', 'fbsync_settings');
  33         unregister_hook('connector_settings_post', 'addon/fbsync/fbsync.php', 'fbsync_settings_post');
  34         unregister_hook('cron', 'addon/fbsync/fbsync.php', 'fbsync_cron');
  35         unregister_hook('follow', 'addon/fbsync/fbsync.php', 'fbsync_follow');
  36 }
  37
  38 function fbsync_follow($a, &$contact) {
  39
  40         logger("fbsync_follow: Check if contact is facebook contact. ".$contact["url"], LOGGER_DEBUG);
  41
  42         if (!strstr($contact["url"], "://www.facebook.com") AND !strstr($contact["url"], "://facebook.com") AND !strstr($contact["url"], "@facebook.com"))
  43                 return;
  44
  45         // contact seems to be a facebook contact, so continue
  46         $nickname = preg_replace("=https?://.*facebook.com/([\w.]*).*=ism", "$1", $contact["url"]);
  47         $nickname = str_replace("@facebook.com", "", $nickname);
  48
  49         $uid = $a->user["uid"];
  50
  51         $access_token = get_pconfig($uid,'facebook','access_token');
  52
  53         $fql = array(
  54                         "profile" => "SELECT id, pic_square, url, username, name FROM profile WHERE username = '$nickname'",
  55                         "avatar" => "SELECT url FROM square_profile_pic WHERE id IN (SELECT id FROM #profile) AND size = 256");
  56
  57         $url = "https://graph.facebook.com/fql?q=".urlencode(json_encode($fql))."&access_token=".$access_token;
  58
  59         $feed = fetch_url($url);
  60         $data = json_decode($feed);
  61
  62         $id = 0;
  63
  64         logger("fbsync_follow: Query id for nickname ".$nickname, LOGGER_DEBUG);
  65
  66         if (!is_array($data->data))
  67                 return;
  68
  69         $contactdata = new stdClass;
  70
  71         foreach($data->data AS $query) {
  72                 switch ($query->name) {
  73                         case "profile":
  74                                 $contactdata->id =  number_format($query->fql_result_set[0]->id, 0, '', '');
  75                                 $contactdata->pic_square = $query->fql_result_set[0]->pic_square;
  76                                 $contactdata->url = $query->fql_result_set[0]->url;
  77                                 $contactdata->username = $query->fql_result_set[0]->username;
  78                                 $contactdata->name = $query->fql_result_set[0]->name;
  79                                 break;
  80
  81                         case "avatar":
  82                                 $contactdata->pic_square = $query->fql_result_set[0]->url;
  83                                 break;
  84                 }
  85         }
  86
  87         logger("fbsync_follow: Got contact for nickname ".$nickname." ".print_r($contactdata, true), LOGGER_DEBUG);
  88
  89         // Create contact
  90         fbsync_fetch_contact($uid, $contactdata, true);
  91
  92         $r = q("SELECT name,nick,url,addr,batch,notify,poll,request,confirm,poco,photo,priority,network,alias,pubkey
  93                 FROM `contact` WHERE `uid` = %d AND `alias` = '%s'",
  94                                 intval($uid),
  95                                 dbesc("facebook::".$contactdata->id));
  96         if (count($r))
  97                 $contact["contact"] = $r[0];
  98 }
  99
 100
 101 function fbsync_settings(&$a,&$s) {
 102
 103         if(! local_user())
 104                 return;
 105
 106         /* Add our stylesheet to the page so we can make our settings look nice */
 107
 108         $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->get_baseurl() . '/addon/fbsync/fbsync.css' . '" media="all" />' . "\r\n";
 109
 110         /* Get the current state of our config variables */
 111
 112         $enabled = get_pconfig(local_user(),'fbsync','sync');
 113
 114         $checked = (($enabled) ? ' checked="checked" ' : '');
 115
 116         $def_enabled = get_pconfig(local_user(),'fbsync','create_user');
 117
 118         $def_checked = (($def_enabled) ? ' checked="checked" ' : '');
 119
 120         /* Add some HTML to the existing form */
 121
 122         $s .= '<span id="settings_fbsync_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_fbsync_expanded\'); openClose(\'settings_fbsync_inflated\');">';
 123         $s .= '<h3>' . t('Facebook Import Settings') . '</h3>';
 124         $s .= '</span>';
 125         $s .= '<div id="settings_fbsync_expanded" class="settings-block" style="display: none;">';
 126         $s .= '<span class="fakelink" onclick="openClose(\'settings_fbsync_expanded\'); openClose(\'settings_fbsync_inflated\');">';
 127         $s .= '<h3>' . t('Facebook Import Settings') . '</h3>';
 128         $s .= '</span>';
 129
 130         $s .= '<div id="fbsync-enable-wrapper">';
 131         $s .= '<label id="fbsync-enable-label" for="fbsync-checkbox">' . t('Import Facebook newsfeed') . '</label>';
 132         $s .= '<input id="fbsync-checkbox" type="checkbox" name="fbsync" value="1" ' . $checked . '/>';
 133         $s .= '</div><div class="clear"></div>';
 134
 135         $s .= '<div id="fbsync-create_user-wrapper">';
 136         $s .= '<label id="fbsync-create_user-label" for="fbsync-create_user">' . t('Automatically create contacts') . '</label>';
 137         $s .= '<input id="fbsync-create_user" type="checkbox" name="create_user" value="1" ' . $def_checked . '/>';
 138         $s .= '</div><div class="clear"></div>';
 139
 140         /* provide a submit button */
 141
 142         $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="fbsync-submit" name="fbsync-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div></div>';
 143
 144 }
 145
 146 function fbsync_settings_post(&$a,&$b) {
 147
 148         if(x($_POST,'fbsync-submit')) {
 149                 set_pconfig(local_user(),'fbsync','sync',intval($_POST['fbsync']));
 150                 set_pconfig(local_user(),'fbsync','create_user',intval($_POST['create_user']));
 151         }
 152 }
 153
 154 function fbsync_cron($a,$b) {
 155         $last = get_config('fbsync','last_poll');
 156
 157         $poll_interval = intval(get_config('fbsync','poll_interval'));
 158         if(! $poll_interval)
 159                 $poll_interval = FBSYNC_DEFAULT_POLL_INTERVAL;
 160
 161         if($last) {
 162                 $next = $last + ($poll_interval * 60);
 163                 if($next > time()) {
 164                         logger('fbsync_cron: poll intervall not reached');
 165                         return;
 166                 }
 167         }
 168         logger('fbsync_cron: cron_start');
 169
 170         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'fbsync' AND `k` = 'sync' AND `v` = '1' ORDER BY RAND()");
 171         if(count($r)) {
 172                 foreach($r as $rr) {
 173                         fbsync_get_self($rr['uid']);
 174
 175                         logger('fbsync_cron: importing timeline from user '.$rr['uid']);
 176                         fbsync_fetchfeed($a, $rr['uid']);
 177                 }
 178         }
 179
 180         logger('fbsync: cron_end');
 181
 182         set_config('fbsync','last_poll', time());
 183 }
 184
 185 function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $create_user) {
 186
 187         require_once("include/oembed.php");
 188
 189         // check if it was already imported
 190         $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
 191                 intval($uid),
 192                 dbesc('fb::'.$post->post_id)
 193         );
 194         if(count($r))
 195                 return;
 196
 197         $postarray = array();
 198         $postarray['gravity'] = 0;
 199         $postarray['uid'] = $uid;
 200         $postarray['wall'] = 0;
 201
 202         $postarray['verb'] = ACTIVITY_POST;
 203         $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
 204
 205         $postarray['uri'] = "fb::".$post->post_id;
 206         $postarray['thr-parent'] = $postarray['uri'];
 207         $postarray['parent-uri'] = $postarray['uri'];
 208         $postarray['plink'] = $post->permalink;
 209
 210         $postarray['author-name'] = $contacts[$post->actor_id]->name;
 211         $postarray['author-link'] = $contacts[$post->actor_id]->url;
 212         $postarray['author-avatar'] = $contacts[$post->actor_id]->pic_square;
 213
 214         $postarray['owner-name'] = $contacts[$post->source_id]->name;
 215         $postarray['owner-link'] = $contacts[$post->source_id]->url;
 216         $postarray['owner-avatar'] = $contacts[$post->source_id]->pic_square;
 217
 218         $contact_id = 0;
 219
 220         if (($post->parent_post_id != "") AND ($post->actor_id == $post->source_id)) {
 221                 $pos = strpos($post->parent_post_id, "_");
 222
 223                 if ($pos != 0) {
 224                         $user_id = substr($post->parent_post_id, 0, $pos);
 225
 226                         $userdata = fbsync_fetchuser($a, $uid, $user_id);
 227
 228                         $contact_id = $userdata["contact-id"];
 229
 230                         $postarray['contact-id'] = $contact_id;
 231
 232                         if (array_key_exists("name", $userdata) AND ($userdata["name"] != "") AND !link_compare($userdata["link"], $postarray['author-link'])) {
 233                                 $postarray['owner-name'] = $userdata["name"];
 234                                 $postarray['owner-link'] = $userdata["link"];
 235                                 $postarray['owner-avatar'] = $userdata["avatar"];
 236
 237                                 if (!intval(get_config('system','wall-to-wall_share'))) {
 238
 239                                         $prebody = "[share author='".$postarray['author-name'].
 240                                                 "' profile='".$postarray['author-link'].
 241                                                 "' avatar='".$postarray['author-avatar']."']";
 242
 243                                         $postarray['author-name'] = $postarray['owner-name'];
 244                                         $postarray['author-link'] = $postarray['owner-link'];
 245                                         $postarray['author-avatar'] = $postarray['owner-avatar'];
 246                                 }
 247                         }
 248                 }
 249         }
 250
 251         if ($contact_id == 0) {
 252                 $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], $create_user);
 253
 254                 if (($contact_id <= 0) AND !$create_user) {
 255                         logger('fbsync_createpost: No matching contact found. Post not imported '.print_r($post, true), LOGGER_DEBUG);
 256                         return;
 257                 } elseif ($contact_id == 0) {
 258                         // This case should never happen
 259                         logger('fbsync_createpost: No matching contact found. Using own id. (Should never happen) '.print_r($post, true), LOGGER_DEBUG);
 260                         $contact_id = $self[0]["id"];
 261                 }
 262
 263                 $postarray['contact-id'] = $contact_id;
 264         }
 265
 266         $postarray["body"] = (isset($post->message) ? escape_tags($post->message) : '');
 267
 268         $msgdata = fbsync_convertmsg($a, $postarray["body"]);
 269
 270         $postarray["body"] = $msgdata["body"];
 271         $postarray["tag"] = $msgdata["tags"];
 272
 273         $content = "";
 274         $type = "";
 275
 276         if (isset($post->attachment->name) and isset($post->attachment->href)) {
 277                 $oembed_data = oembed_fetch_url($post->attachment->href);
 278                 $type = $oembed_data->type;
 279                 $content = "[bookmark=".$post->attachment->href."]".$post->attachment->name."[/bookmark]";
 280         } elseif (isset($post->attachment->name) AND ($post->attachment->name != ""))
 281                 $content = "[b]" . $post->attachment->name."[/b]";
 282
 283         $quote = "";
 284         if(isset($post->attachment->description) and ($post->attachment->fb_object_type != "photo"))
 285                 $quote = $post->attachment->description;
 286
 287         if(isset($post->attachment->caption) and ($post->attachment->fb_object_type == "photo"))
 288                 $quote = $post->attachment->caption;
 289
 290         if ($quote.$post->attachment->href.$content.$postarray["body"] == "")
 291                 return;
 292
 293         if (isset($post->attachment->media) // AND !strstr($post->attachment->href, "://www.youtube.com/")
 294                 //AND !strstr($post->attachment->href, "://youtu.be/")
 295                 //AND !strstr($post->attachment->href, ".vimeo.com/"))
 296                 AND (($type == "") OR ($type == "link"))) {
 297                 foreach ($post->attachment->media AS $media) {
 298                         //$media->photo->owner = number_format($media->photo->owner, 0, '', '');
 299                         //if ($media->photo->owner != '') {
 300                         //      $postarray['author-name'] = $contacts[$media->photo->owner]->name;
 301                         //      $postarray['author-link'] = $contacts[$media->photo->owner]->url;
 302                         //      $postarray['author-avatar'] = $contacts[$media->photo->owner]->pic_square;
 303                         //}
 304
 305                         if (isset($media->type))
 306                                 $type = $media->type;
 307
 308                         if(isset($media->src) && isset($media->href) AND ($media->src != "") AND ($media->href != ""))
 309                                 $content .= "\n".'[url='.$media->href.'][img]'.fpost_cleanpicture($media->src).'[/img][/url]';
 310                         else {
 311                                 if (isset($media->src) AND ($media->src != ""))
 312                                         $content .= "\n".'[img]'.fpost_cleanpicture($media->src).'[/img]';
 313
 314                                 // if just a link, it may be a wall photo - check
 315                                 if(isset($post->link))
 316                                         $content .= fbpost_get_photo($media->href);
 317                         }
 318                 }
 319         }
 320
 321         if ($content)
 322                 $postarray["body"] .= "\n\n";
 323
 324         if ($type)
 325                 $postarray["body"] .= "[class=type-".$type."]";
 326
 327         if ($content)
 328                 $postarray["body"] .= $content;
 329
 330         if ($quote)
 331                 $postarray["body"] .= "\n[quote]".trim($quote)."[/quote]";
 332
 333         if ($type)
 334                 $postarray["body"] .= "[/class]";
 335
 336         $postarray["body"] = trim($postarray["body"]);
 337
 338         if (trim($postarray["body"]) == "")
 339                 return;
 340
 341         if ($prebody != "")
 342                 $postarray["body"] = $prebody.$postarray["body"]."[/share]";
 343
 344         $postarray['created'] = datetime_convert('UTC','UTC',date("c", $post->created_time));
 345         $postarray['edited'] = datetime_convert('UTC','UTC',date("c", $post->updated_time));
 346
 347         $postarray['app'] = $applications[$post->app_id]->display_name;
 348
 349         if ($postarray['app'] == "")
 350                 $postarray['app'] = "Facebook";
 351
 352         if(isset($post->privacy) && $post->privacy->value !== '') {
 353                 $postarray['private'] = 1;
 354                 $postarray['allow_cid'] = '<' . $self[0]['id'] . '>';
 355         }
 356
 357         /*
 358         $postarray["location"] = $post->place->name;
 359         postarray["coord"] = $post->geo->coordinates[0]." ".$post->geo->coordinates[1];
 360         */
 361
 362         //$types = array(46, 80, 237, 247, 308);
 363         //if (!in_array($post->type, $types))
 364         //      $postarray["body"] = "Type: ".$post->type."\n".$postarray["body"];
 365         //print_r($post);
 366         //print_r($postarray);
 367
 368         $item = item_store($postarray);
 369         logger('fbsync_createpost: User '.$self[0]["nick"].' posted feed item '.$item, LOGGER_DEBUG);
 370 }
 371
 372 function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $applications, $comment) {
 373
 374         // check if it was already imported
 375         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
 376                 intval($uid),
 377                 dbesc('fb::'.$comment->id)
 378         );
 379         if(count($r))
 380                 return;
 381
 382         // check if it was an own post (separate posting for performance reasons)
 383         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
 384                 intval($uid),
 385                 dbesc('fb::'.$comment->id)
 386         );
 387         if(count($r))
 388                 return;
 389
 390         $parent_uri = "";
 391
 392         // Fetch the parent uri (Checking if the parent exists)
 393         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
 394                 intval($uid),
 395                 dbesc('fb::'.$comment->post_id)
 396         );
 397         if(count($r))
 398                 $parent_uri = $r[0]["uri"];
 399
 400         // check if it is a reply to an own post (separate posting for performance reasons)
 401         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
 402                 intval($uid),
 403                 dbesc('fb::'.$comment->post_id)
 404         );
 405         if(count($r))
 406                 $parent_uri = $r[0]["uri"];
 407
 408         // No parent? Then quit
 409         if ($parent_uri == "")
 410                 return;
 411
 412         $postarray = array();
 413         $postarray['gravity'] = 0;
 414         $postarray['uid'] = $uid;
 415         $postarray['wall'] = 0;
 416
 417         $postarray['verb'] = ACTIVITY_POST;
 418         $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
 419
 420         $postarray['uri'] = "fb::".$comment->id;
 421         $postarray['thr-parent'] = $parent_uri;
 422         $postarray['parent-uri'] = $parent_uri;
 423         //$postarray['plink'] = $comment->permalink;
 424
 425         $contact_id = fbsync_fetch_contact($uid, $contacts[$comment->fromid], array(), false);
 426
 427         if ($contact_id <= 0)
 428                 $contact_id = $self[0]["id"];
 429
 430         if ($comment->fromid != $self_id) {
 431                 $postarray['contact-id'] = $contact_id;
 432                 $postarray['owner-name'] = $contacts[$comment->fromid]->name;
 433                 $postarray['owner-link'] = $contacts[$comment->fromid]->url;
 434                 $postarray['owner-avatar'] = $contacts[$comment->fromid]->pic_square;
 435         } else {
 436                 $postarray['contact-id'] = $self[0]["id"];
 437                 $postarray['owner-name'] = $self[0]["name"];
 438                 $postarray['owner-link'] = $self[0]["url"];
 439                 $postarray['owner-avatar'] = $self[0]["photo"];
 440         }
 441
 442         $postarray['author-name'] = $postarray['owner-name'];
 443         $postarray['author-link'] = $postarray['owner-link'];
 444         $postarray['author-avatar'] = $postarray['owner-avatar'];
 445
 446         $msgdata = fbsync_convertmsg($a, $comment->text);
 447
 448         $postarray["body"] = $msgdata["body"];
 449         $postarray["tag"] = $msgdata["tags"];
 450
 451         $postarray['created'] = datetime_convert('UTC','UTC',date("c", $comment->time));
 452         $postarray['edited'] = datetime_convert('UTC','UTC',date("c", $comment->time));
 453
 454         $postarray['app'] = $applications[$comment->app_id]->display_name;
 455
 456         if ($postarray['app'] == "")
 457                 $postarray['app'] = "Facebook";
 458
 459         if (trim($postarray["body"]) == "")
 460                 return;
 461
 462         $item = item_store($postarray);
 463         logger('fbsync_createcomment: User '.$self[0]["nick"].' posted comment '.$item, LOGGER_DEBUG);
 464
 465         if ($item == 0)
 466                 return;
 467
 468         $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0",
 469                 dbesc($postarray['parent-uri']),
 470                 intval($uid)
 471         );
 472
 473         if(count($myconv)) {
 474                 $importer_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
 475
 476                 $own_contact = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 477                         intval($uid), dbesc("facebook::".$self_id));
 478
 479                 if (!count($own_contact))
 480                         return;
 481
 482                 foreach($myconv as $conv) {
 483
 484                         // now if we find a match, it means we're in this conversation
 485                         if(!link_compare($conv['author-link'],$importer_url) AND !link_compare($conv['author-link'],$own_contact[0]["url"]))
 486                                 continue;
 487
 488                         require_once('include/enotify.php');
 489
 490                         $conv_parent = $conv['parent'];
 491
 492                         $notifyarr = array(
 493                                         'type'         => NOTIFY_COMMENT,
 494                                         'notify_flags' => $user[0]['notify-flags'],
 495                                         'language'     => $user[0]['language'],
 496                                         'to_name'      => $user[0]['username'],
 497                                         'to_email'     => $user[0]['email'],
 498                                         'uid'          => $user[0]['uid'],
 499                                         'item'         => $postarray,
 500                                         'link'             => $a->get_baseurl() . '/display/' . $user[0]['nickname'] . '/' . $item,
 501                                         'source_name'  => $postarray['author-name'],
 502                                         'source_link'  => $postarray['author-link'],
 503                                         'source_photo' => $postarray['author-avatar'],
 504                                         'verb'         => ACTIVITY_POST,
 505                                         'otype'        => 'item',
 506                                         'parent'       => $conv_parent,
 507                         );
 508
 509                         notification($notifyarr);
 510
 511                         // only send one notification
 512                         break;
 513                 }
 514         }
 515 }
 516
 517 function fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like) {
 518
 519         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 520                                 dbesc("fb::".$like->post_id),
 521                                 intval($uid)
 522                 );
 523
 524         if (count($r))
 525                 $orig_post = $r[0];
 526         else
 527                 return;
 528
 529         // If we posted the like locally, it will be found with our url, not the FB url.
 530
 531         $second_url = (($like->user_id == $self_id) ? $self[0]["url"] : $contacts[$like->user_id]->url);
 532
 533         $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `verb` = '%s'
 534                 AND (`author-link` = '%s' OR `author-link` = '%s') LIMIT 1",
 535                 dbesc($orig_post["uri"]),
 536                 intval($uid),
 537                 dbesc(ACTIVITY_LIKE),
 538                 dbesc($contacts[$like->user_id]->url),
 539                 dbesc($second_url)
 540         );
 541
 542         if (count($r))
 543                 return;
 544
 545         $contact_id = fbsync_fetch_contact($uid, $contacts[$like->user_id], array(), false);
 546
 547         if ($contact_id <= 0)
 548                 $contact_id = $self[0]["id"];
 549
 550         $likedata = array();
 551         $likedata['parent'] = $orig_post['id'];
 552         $likedata['verb'] = ACTIVITY_LIKE;
 553         $likedate['network'] =  dbesc(NETWORK_FACEBOOK);
 554         $likedata['gravity'] = 3;
 555         $likedata['uid'] = $uid;
 556         $likedata['wall'] = 0;
 557         $likedata['uri'] = item_new_uri($a->get_baseurl(), $uid);
 558         $likedata['parent-uri'] = $orig_post["uri"];
 559         $likedata['app'] = "Facebook";
 560
 561         if ($like->user_id != $self_id) {
 562                 $likedata['contact-id'] = $contact_id;
 563                 $likedata['author-name'] = $contacts[$like->user_id]->name;
 564                 $likedata['author-link'] = $contacts[$like->user_id]->url;
 565                 $likedata['author-avatar'] = $contacts[$like->user_id]->pic_square;
 566         } else {
 567                 $likedata['contact-id'] = $self[0]["id"];
 568                 $likedata['author-name'] = $self[0]["name"];
 569                 $likedata['author-link'] = $self[0]["url"];
 570                 $likedata['author-avatar'] = $self[0]["photo"];
 571         }
 572
 573         $author  = '[url=' . $likedata['author-link'] . ']' . $likedata['author-name'] . '[/url]';
 574
 575         $objauthor =  '[url=' . $orig_post['author-link'] . ']' . $orig_post['author-name'] . '[/url]';
 576         $post_type = t('status');
 577
 578         $plink = '[url=' . $orig_post['plink'] . ']' . $post_type . '[/url]';
 579         $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
 580
 581         $likedata['body'] = sprintf( t('%1$s likes %2$s\'s %3$s'), $author, $objauthor, $plink);
 582
 583         $likedata['object'] = '<object><type>' . ACTIVITY_OBJ_NOTE . '</type><local>1</local>' .
 584                 '<id>' . $orig_post['uri'] . '</id><link>' . xmlify('<link rel="alternate" type="text/html" href="' . xmlify($orig_post['plink']) . '" />') . '</link><title>' . $orig_post['title'] . '</title><content>' . $orig_post['body'] . '</content></object>';
 585
 586
 587         $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `author-link` = '%s' AND `verb` = '%s' AND `uid` = %d LIMIT 1",
 588                                 dbesc($likedata['parent-uri']),
 589                                 dbesc($likedata['author-link']),
 590                                 dbesc(ACTIVITY_LIKE),
 591                                 intval($uid)
 592                 );
 593
 594         if (count($r))
 595                 return;
 596
 597         $item = item_store($likedata);
 598         logger('fbsync_createlike: liked item '.$item.'. User '.$self[0]["nick"], LOGGER_DEBUG);
 599 }
 600
 601 function fbsync_fetch_contact($uid, $contact, $create_user) {
 602
 603         // Check if the unique contact is existing
 604         // To-Do: only update once a while
 605         $r = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
 606                 dbesc(normalise_link($contact->url)));
 607
 608         if (count($r) == 0)
 609                 q("INSERT INTO unique_contacts (url, name, nick, avatar) VALUES ('%s', '%s', '%s', '%s')",
 610                         dbesc(normalise_link($contact->url)),
 611                         dbesc($contact->name),
 612                         dbesc($contact->username),
 613                         dbesc($contact->pic_square));
 614         else
 615                 q("UPDATE unique_contacts SET name = '%s', nick = '%s', avatar = '%s' WHERE url = '%s'",
 616                         dbesc($contact->name),
 617                         dbesc($contact->username),
 618                         dbesc($contact->pic_square),
 619                         dbesc(normalise_link($contact->url)));
 620
 621         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 622                 intval($uid), dbesc("facebook::".$contact->id));
 623
 624         if(!count($r) AND !$create_user)
 625                 return(0);
 626
 627         if (count($r) AND ($r[0]["readonly"] OR $r[0]["blocked"])) {
 628                 logger("fbsync_fetch_contact: Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
 629                 return(-1);
 630         }
 631
 632         $avatarpicture = $contact->pic_square;
 633
 634         if(!count($r)) {
 635                 // create contact record
 636                 q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
 637                                         `name`, `nick`, `photo`, `network`, `rel`, `priority`,
 638                                         `writable`, `blocked`, `readonly`, `pending`)
 639                                         VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0)",
 640                         intval($uid),
 641                         dbesc(datetime_convert()),
 642                         dbesc($contact->url),
 643                         dbesc(normalise_link($contact->url)),
 644                         dbesc($contact->username."@facebook.com"),
 645                         dbesc("facebook::".$contact->id),
 646                         dbesc(''),
 647                         dbesc("facebook::".$contact->id),
 648                         dbesc($contact->name),
 649                         dbesc($contact->username),
 650                         dbesc($avatarpicture),
 651                         dbesc(NETWORK_FACEBOOK),
 652                         intval(CONTACT_IS_FRIEND),
 653                         intval(1),
 654                         intval(1)
 655                 );
 656
 657                 $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d LIMIT 1",
 658                         dbesc("facebook::".$contact->id),
 659                         intval($uid)
 660                         );
 661
 662                 if(! count($r))
 663                         return(false);
 664
 665                 $contact_id  = $r[0]['id'];
 666
 667                 $g = q("SELECT def_gid FROM user WHERE uid = %d LIMIT 1",
 668                         intval($uid)
 669                 );
 670
 671                 if($g && intval($g[0]['def_gid'])) {
 672                         require_once('include/group.php');
 673                         group_add_member($uid,'',$contact_id,$g[0]['def_gid']);
 674                 }
 675
 676                 require_once("Photo.php");
 677
 678                 $photos = import_profile_photo($avatarpicture,$uid,$contact_id);
 679
 680                 q("UPDATE `contact` SET `photo` = '%s',
 681                                         `thumb` = '%s',
 682                                         `micro` = '%s',
 683                                         `name-date` = '%s',
 684                                         `uri-date` = '%s',
 685                                         `avatar-date` = '%s'
 686                                 WHERE `id` = %d",
 687                         dbesc($photos[0]),
 688                         dbesc($photos[1]),
 689                         dbesc($photos[2]),
 690                         dbesc(datetime_convert()),
 691                         dbesc(datetime_convert()),
 692                         dbesc(datetime_convert()),
 693                         intval($contact_id)
 694                 );
 695         } else {
 696                 // update profile photos once every 12 hours as we have no notification of when they change.
 697                 $update_photo = ($r[0]['avatar-date'] < datetime_convert('','','now -12 hours'));
 698
 699                 // check that we have all the photos, this has been known to fail on occasion
 700                 if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro']) || ($update_photo)) {
 701
 702                         logger("fbsync_fetch_contact: Updating contact ".$contact->username, LOGGER_DEBUG);
 703
 704                         require_once("Photo.php");
 705
 706                         $photos = import_profile_photo($avatarpicture, $uid, $r[0]['id']);
 707
 708                         q("UPDATE `contact` SET `photo` = '%s',
 709                                                 `thumb` = '%s',
 710                                                 `micro` = '%s',
 711                                                 `name-date` = '%s',
 712                                                 `uri-date` = '%s',
 713                                                 `avatar-date` = '%s',
 714                                                 `url` = '%s',
 715                                                 `nurl` = '%s',
 716                                                 `addr` = '%s',
 717                                                 `name` = '%s',
 718                                                 `nick` = '%s'
 719                                         WHERE `id` = %d",
 720                                 dbesc($photos[0]),
 721                                 dbesc($photos[1]),
 722                                 dbesc($photos[2]),
 723                                 dbesc(datetime_convert()),
 724                                 dbesc(datetime_convert()),
 725                                 dbesc(datetime_convert()),
 726                                 dbesc($contact->url),
 727                                 dbesc(normalise_link($contact->url)),
 728                                 dbesc($contact->username."@facebook.com"),
 729                                 dbesc($contact->name),
 730                                 dbesc($contact->username),
 731                                 intval($r[0]['id'])
 732                         );
 733                 }
 734         }
 735         return($r[0]["id"]);
 736 }
 737
 738 function fbsync_get_self($uid) {
 739         $access_token = get_pconfig($uid,'facebook','access_token');
 740         if(! $access_token)
 741                 return;
 742         $s = fetch_url('https://graph.facebook.com/me/?access_token=' . $access_token);
 743         if($s) {
 744                 $j = json_decode($s);
 745                 set_pconfig($uid,'fbsync','self_id',(string) $j->id);
 746         }
 747 }
 748
 749 function fbsync_convertmsg($a, $body) {
 750         $str_tags = '';
 751
 752         $tags = get_tags($body);
 753
 754         if(count($tags)) {
 755                 foreach($tags as $tag) {
 756                         if (strstr(trim($tag), " "))
 757                                 continue;
 758
 759                         if(strpos($tag,'#') === 0) {
 760                                 if(strpos($tag,'[url='))
 761                                         continue;
 762
 763                                 // don't link tags that are already embedded in links
 764
 765                                 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
 766                                         continue;
 767                                 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
 768                                         continue;
 769
 770                                 $basetag = str_replace('_',' ',substr($tag,1));
 771                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 772                                 if(strlen($str_tags))
 773                                         $str_tags .= ',';
 774                                 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
 775                                 continue;
 776                         } elseif(strpos($tag,'@') === 0) {
 777                                 $basetag = substr($tag,1);
 778                                 $body = str_replace($tag,'@[url=https://twitter.com/' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 779                         }
 780
 781                 }
 782         }
 783
 784         $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
 785         if($cnt) {
 786                 foreach($matches as $mtch) {
 787                         if(strlen($str_tags))
 788                                 $str_tags .= ',';
 789                         $str_tags .= '@[url=' . $mtch[1] . '[/url]';
 790                 }
 791         }
 792
 793         return(array("body"=>$body, "tags"=>$str_tags));
 794
 795 }
 796
 797 function fbsync_fetchuser($a, $uid, $id) {
 798         $access_token = get_pconfig($uid,'facebook','access_token');
 799         $self_id = get_pconfig($uid,'fbsync','self_id');
 800
 801         $user = array();
 802
 803         $contact = q("SELECT `id`, `name`, `url`, `photo`  FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 804                 intval($uid), dbesc("facebook::".$id));
 805
 806         if (count($contact)) {
 807                 $user["contact-id"] = $contact[0]["id"];
 808                 $user["name"] = $contact[0]["name"];
 809                 $user["link"] = $contact[0]["url"];
 810                 $user["avatar"] = $contact[0]["photo"];
 811
 812                 return($user);
 813         }
 814
 815         $own_contact = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 816                 intval($uid), dbesc("facebook::".$self_id));
 817
 818         if (!count($own_contact))
 819                 return($user);
 820
 821         $fql = "SELECT name, url, pic_square FROM profile WHERE id = ".$id;
 822
 823         $url = "https://graph.facebook.com/fql?q=".urlencode($fql)."&access_token=".$access_token;
 824
 825         $feed = fetch_url($url);
 826         $data = json_decode($feed);
 827
 828         if (is_array($data->data)) {
 829                 $user["contact-id"] = $own_contact[0]["id"];
 830                 $user["name"] = $data->data[0]->name;
 831                 $user["link"] = $data->data[0]->url;
 832                 $user["avatar"] = $data->data[0]->pic_square;
 833         }
 834         return($user);
 835 }
 836
 837 function fbsync_fetchfeed($a, $uid) {
 838         $access_token = get_pconfig($uid,'facebook','access_token');
 839         $last_updated = get_pconfig($uid,'fbsync','last_updated');
 840         $self_id = get_pconfig($uid,'fbsync','self_id');
 841
 842         $create_user = get_pconfig($uid, 'fbsync', 'create_user');
 843         $do_likes = get_config('fbsync', 'do_likes');
 844
 845         $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 846                 intval($uid)
 847         );
 848
 849         $user = q("SELECT * FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
 850                 intval($uid)
 851         );
 852         if(! count($user))
 853                 return;
 854
 855         require_once('include/items.php');
 856
 857         //if ($last_updated == "")
 858                 $last_updated = 0;
 859
 860         logger("fbsync_fetchfeed: fetching content for user ".$self_id);
 861
 862         $fql = array(
 863                 "posts" => "SELECT action_links, actor_id, app_data, app_id, attachment, attribution, comment_info, created_time, filter_key, like_info, message, message_tags, parent_post_id, permalink, place, post_id, privacy, share_count, share_info, source_id, subscribed, tagged_ids, type, updated_time, with_tags FROM stream where filter_key in (SELECT filter_key FROM stream_filter WHERE uid=me() AND type='newsfeed') AND updated_time > $last_updated ORDER BY updated_time DESC LIMIT 500",
 864                 "comments" => "SELECT app_id, attachment, post_id, id, likes, fromid, time, text, text_tags, user_likes, likes FROM comment WHERE post_id IN (SELECT post_id FROM #posts) ORDER BY time DESC LIMIT 500",
 865                 "profiles" => "SELECT id, name, username, url, pic_square FROM profile WHERE id IN (SELECT actor_id FROM #posts) OR id IN (SELECT fromid FROM #comments) OR id IN (SELECT source_id FROM #posts) LIMIT 500",
 866                 "applications" => "SELECT app_id, display_name FROM application WHERE app_id IN (SELECT app_id FROM #posts) OR app_id IN (SELECT app_id FROM #comments) LIMIT 500",
 867                 "avatars" => "SELECT id, real_size, size, url FROM square_profile_pic WHERE id IN (SELECT id FROM #profiles) AND size = 256 LIMIT 500");
 868
 869         if ($do_likes) {
 870                 $fql["likes"] = "SELECT post_id, user_id FROM like WHERE post_id IN (SELECT post_id FROM #posts)";
 871                 $fql["profiles"] .= " OR id IN (SELECT user_id FROM #likes)";
 872         }
 873
 874         $url = "https://graph.facebook.com/fql?q=".urlencode(json_encode($fql))."&access_token=".$access_token;
 875
 876         $feed = fetch_url($url);
 877
 878         $data = json_decode($feed);
 879
 880         if (!is_array($data->data)) {
 881                 logger("fbsync_fetchfeed: Error fetching data for user ".$uid.": ".print_r($data, true));
 882                 return;
 883         }
 884
 885         $posts = array();
 886         $comments = array();
 887         $likes = array();
 888         $profiles = array();
 889         $applications = array();
 890         $avatars = array();
 891
 892         foreach($data->data AS $query) {
 893                 switch ($query->name) {
 894                         case "posts":
 895                                 $posts = array_reverse($query->fql_result_set);
 896                                 break;
 897                         case "comments":
 898                                 $comments = $query->fql_result_set;
 899                                 break;
 900                         case "likes":
 901                                 $likes = $query->fql_result_set;
 902                                 break;
 903                         case "profiles":
 904                                 $profiles = $query->fql_result_set;
 905                                 break;
 906                         case "applications":
 907                                 $applications = $query->fql_result_set;
 908                                 break;
 909                         case "avatars":
 910                                 $avatars = $query->fql_result_set;
 911                                 break;
 912                 }
 913         }
 914
 915         $square_avatars = array();
 916         $contacts = array();
 917         $application_data = array();
 918         $post_data = array();
 919         $comment_data = array();
 920
 921         foreach ($avatars AS $avatar) {
 922                 $avatar->id = number_format($avatar->id, 0, '', '');
 923                 $square_avatars[$avatar->id] = $avatar;
 924         }
 925         unset($avatars);
 926
 927         foreach ($profiles AS $profile) {
 928                 $profile->id = number_format($profile->id, 0, '', '');
 929
 930                 if ($square_avatars[$profile->id]->url != "")
 931                         $profile->pic_square = $square_avatars[$profile->id]->url;
 932
 933                 $contacts[$profile->id] = $profile;
 934         }
 935         unset($profiles);
 936         unset($square_avatars);
 937
 938         foreach ($applications AS $application) {
 939                 $application->app_id = number_format($application->app_id, 0, '', '');
 940                 $application_data[$application->app_id] = $application;
 941         }
 942         unset($applications);
 943
 944         foreach ($posts AS $post) {
 945                 $post->actor_id = number_format($post->actor_id, 0, '', '');
 946                 $post->source_id = number_format($post->source_id, 0, '', '');
 947                 $post->app_id = number_format($post->app_id, 0, '', '');
 948                 $post_data[$post->post_id] = $post;
 949         }
 950         unset($posts);
 951
 952         foreach($comments AS $comment) {
 953                 $comment->fromid = number_format($comment->fromid, 0, '', '');
 954                 $comment_data[$comment->id] = $comment;
 955         }
 956         unset($comments);
 957
 958         foreach ($post_data AS $post) {
 959                 if ($post->updated_time > $last_updated)
 960                         $last_updated = $post->updated_time;
 961
 962                 fbsync_createpost($a, $uid, $self, $contacts, $application_data, $post, $create_user);
 963         }
 964
 965         foreach ($comment_data AS $comment) {
 966                 fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $application_data, $comment);
 967         }
 968
 969         foreach($likes AS $like) {
 970                 $like->user_id = number_format($like->user_id, 0, '', '');
 971
 972                 fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like);
 973         }
 974
 975         set_pconfig($uid,'fbsync','last_updated', $last_updated);
 976 }
 977 ?>