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