fbsync/fbsync.php

   1 <?php
   2 /**
   3  * Name: Facebook Sync
   4  * Description: Synchronizes the Facebook Newsfeed
   5  * Version: 1.0
   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         register_hook('expire', 'addon/fbsync/fbsync.php', 'fbsync_expire');
  30 }
  31
  32 function fbsync_uninstall() {
  33         unregister_hook('connector_settings',      'addon/fbsync/fbsync.php', 'fbsync_settings');
  34         unregister_hook('connector_settings_post', 'addon/fbsync/fbsync.php', 'fbsync_settings_post');
  35         unregister_hook('cron', 'addon/fbsync/fbsync.php', 'fbsync_cron');
  36         unregister_hook('follow', 'addon/fbsync/fbsync.php', 'fbsync_follow');
  37         unregister_hook('expire', 'addon/fbsync/fbsync.php', 'fbsync_expire');
  38 }
  39
  40 function fbsync_follow($a, &$contact) {
  41
  42         logger("fbsync_follow: Check if contact is facebook contact. ".$contact["url"], LOGGER_DEBUG);
  43
  44         if (!strstr($contact["url"], "://www.facebook.com") AND !strstr($contact["url"], "://facebook.com") AND !strstr($contact["url"], "@facebook.com"))
  45                 return;
  46
  47         // contact seems to be a facebook contact, so continue
  48         $nickname = preg_replace("=https?://.*facebook.com/([\w.]*).*=ism", "$1", $contact["url"]);
  49         $nickname = str_replace("@facebook.com", "", $nickname);
  50
  51         $uid = $a->user["uid"];
  52
  53         $access_token = get_pconfig($uid,'facebook','access_token');
  54
  55         $fql = array(
  56                         "profile" => "SELECT id, pic_square, url, username, name FROM profile WHERE username = '$nickname'",
  57                         "avatar" => "SELECT url FROM square_profile_pic WHERE id IN (SELECT id FROM #profile) AND size = 256");
  58
  59         $url = "https://graph.facebook.com/fql?q=".urlencode(json_encode($fql))."&access_token=".$access_token;
  60
  61         $feed = fetch_url($url);
  62         $data = json_decode($feed);
  63
  64         $id = 0;
  65
  66         logger("fbsync_follow: Query id for nickname ".$nickname, LOGGER_DEBUG);
  67
  68         if (!is_array($data->data))
  69                 return;
  70
  71         $contactdata = new stdClass;
  72
  73         foreach($data->data AS $query) {
  74                 switch ($query->name) {
  75                         case "profile":
  76                                 $contactdata->id =  number_format($query->fql_result_set[0]->id, 0, '', '');
  77                                 $contactdata->pic_square = $query->fql_result_set[0]->pic_square;
  78                                 $contactdata->url = $query->fql_result_set[0]->url;
  79                                 $contactdata->username = $query->fql_result_set[0]->username;
  80                                 $contactdata->name = $query->fql_result_set[0]->name;
  81                                 break;
  82
  83                         case "avatar":
  84                                 $contactdata->pic_square = $query->fql_result_set[0]->url;
  85                                 break;
  86                 }
  87         }
  88
  89         logger("fbsync_follow: Got contact for nickname ".$nickname." ".print_r($contactdata, true), LOGGER_DEBUG);
  90
  91         // Create contact
  92         fbsync_fetch_contact($uid, $contactdata, true);
  93
  94         $r = q("SELECT name,nick,url,addr,batch,notify,poll,request,confirm,poco,photo,priority,network,alias,pubkey
  95                 FROM `contact` WHERE `uid` = %d AND `alias` = '%s'",
  96                                 intval($uid),
  97                                 dbesc("facebook::".$contactdata->id));
  98         if (count($r))
  99                 $contact["contact"] = $r[0];
 100 }
 101
 102
 103 function fbsync_settings(&$a,&$s) {
 104
 105         // Settings are done inside the fbpost addon
 106         return;
 107
 108         if(! local_user())
 109                 return;
 110
 111         /* Add our stylesheet to the page so we can make our settings look nice */
 112
 113         $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->get_baseurl() . '/addon/fbsync/fbsync.css' . '" media="all" />' . "\r\n";
 114
 115         /* Get the current state of our config variables */
 116
 117         $enabled = get_pconfig(local_user(),'fbsync','sync');
 118
 119         $checked = (($enabled) ? ' checked="checked" ' : '');
 120
 121         $def_enabled = get_pconfig(local_user(),'fbsync','create_user');
 122
 123         $def_checked = (($def_enabled) ? ' checked="checked" ' : '');
 124
 125         /* Add some HTML to the existing form */
 126
 127         $s .= '<span id="settings_fbsync_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_fbsync_expanded\'); openClose(\'settings_fbsync_inflated\');">';
 128         $s .= '<img class="connector" src="images/facebook.png" /><h3 class="connector">'. t('Facebook Import').'</h3>';
 129         $s .= '</span>';
 130         $s .= '<div id="settings_fbsync_expanded" class="settings-block" style="display: none;">';
 131         $s .= '<span class="fakelink" onclick="openClose(\'settings_fbsync_expanded\'); openClose(\'settings_fbsync_inflated\');">';
 132         $s .= '<img class="connector" src="images/facebook.png" /><h3 class="connector">'. t('Facebook Import').'</h3>';
 133         $s .= '</span>';
 134
 135         $s .= '<div id="fbsync-enable-wrapper">';
 136         $s .= '<label id="fbsync-enable-label" for="fbsync-checkbox">' . t('Import Facebook newsfeed') . '</label>';
 137         $s .= '<input id="fbsync-checkbox" type="checkbox" name="fbsync" value="1" ' . $checked . '/>';
 138         $s .= '</div><div class="clear"></div>';
 139
 140         $s .= '<div id="fbsync-create_user-wrapper">';
 141         $s .= '<label id="fbsync-create_user-label" for="fbsync-create_user">' . t('Automatically create contacts') . '</label>';
 142         $s .= '<input id="fbsync-create_user" type="checkbox" name="create_user" value="1" ' . $def_checked . '/>';
 143         $s .= '</div><div class="clear"></div>';
 144
 145         /* provide a submit button */
 146
 147         $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="fbsync-submit" name="fbsync-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div></div>';
 148
 149 }
 150
 151 function fbsync_settings_post(&$a,&$b) {
 152
 153         if(x($_POST,'fbsync-submit')) {
 154                 set_pconfig(local_user(),'fbsync','sync',intval($_POST['fbsync']));
 155                 set_pconfig(local_user(),'fbsync','create_user',intval($_POST['create_user']));
 156         }
 157 }
 158
 159 function fbsync_cron($a,$b) {
 160         $last = get_config('fbsync','last_poll');
 161
 162         $poll_interval = intval(get_config('fbsync','poll_interval'));
 163         if(! $poll_interval)
 164                 $poll_interval = FBSYNC_DEFAULT_POLL_INTERVAL;
 165
 166         if($last) {
 167                 $next = $last + ($poll_interval * 60);
 168                 if($next > time()) {
 169                         logger('fbsync_cron: poll intervall not reached');
 170                         return;
 171                 }
 172         }
 173         logger('fbsync_cron: cron_start');
 174
 175         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'fbsync' AND `k` = 'sync' AND `v` = '1' ORDER BY RAND()");
 176         if(count($r)) {
 177                 foreach($r as $rr) {
 178                         fbsync_get_self($rr['uid']);
 179
 180                         logger('fbsync_cron: importing timeline from user '.$rr['uid']);
 181                         fbsync_fetchfeed($a, $rr['uid']);
 182                 }
 183         }
 184
 185         logger('fbsync_cron: cron_end');
 186
 187         set_config('fbsync','last_poll', time());
 188 }
 189
 190 function fbsync_expire($a,$b) {
 191
 192         $days = get_config('fbsync', 'expire');
 193
 194         if ($days == 0)
 195                 return;
 196
 197         $r = q("DELETE FROM `item` WHERE `deleted` AND `network` = '%s'", dbesc(NETWORK_FACEBOOK));
 198
 199         require_once("include/items.php");
 200
 201         logger('fbsync_expire: expire_start');
 202
 203         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'fbsync' AND `k` = 'sync' AND `v` = '1' ORDER BY RAND()");
 204         if(count($r)) {
 205                 foreach($r as $rr) {
 206                         logger('fbsync_expire: user '.$rr['uid']);
 207                         item_expire($rr['uid'], $days, NETWORK_FACEBOOK, true);
 208                 }
 209         }
 210
 211         logger('fbsync_expire: expire_end');
 212 }
 213
 214 function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $create_user) {
 215
 216         require_once("include/oembed.php");
 217
 218         // check if it was already imported
 219         $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
 220                 intval($uid),
 221                 dbesc('fb::'.$post->post_id)
 222         );
 223         if(count($r))
 224                 return;
 225
 226         $postarray = array();
 227         $postarray['gravity'] = 0;
 228         $postarray['uid'] = $uid;
 229         $postarray['wall'] = 0;
 230
 231         $postarray['verb'] = ACTIVITY_POST;
 232         $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
 233
 234         $postarray['uri'] = "fb::".$post->post_id;
 235         $postarray['thr-parent'] = $postarray['uri'];
 236         $postarray['parent-uri'] = $postarray['uri'];
 237         $postarray['plink'] = $post->permalink;
 238
 239         $postarray['author-name'] = $contacts[$post->actor_id]->name;
 240         $postarray['author-link'] = $contacts[$post->actor_id]->url;
 241         $postarray['author-avatar'] = $contacts[$post->actor_id]->pic_square;
 242
 243         $postarray['owner-name'] = $contacts[$post->source_id]->name;
 244         $postarray['owner-link'] = $contacts[$post->source_id]->url;
 245         $postarray['owner-avatar'] = $contacts[$post->source_id]->pic_square;
 246
 247         $contact_id = 0;
 248
 249         if (($post->parent_post_id != "") AND ($post->actor_id == $post->source_id)) {
 250                 $pos = strpos($post->parent_post_id, "_");
 251
 252                 if ($pos != 0) {
 253                         $user_id = substr($post->parent_post_id, 0, $pos);
 254
 255                         $userdata = fbsync_fetchuser($a, $uid, $user_id);
 256
 257                         $contact_id = $userdata["contact-id"];
 258
 259                         $postarray['contact-id'] = $contact_id;
 260
 261                         if (array_key_exists("name", $userdata) AND ($userdata["name"] != "") AND !link_compare($userdata["link"], $postarray['author-link'])) {
 262                                 $postarray['owner-name'] = $userdata["name"];
 263                                 $postarray['owner-link'] = $userdata["link"];
 264                                 $postarray['owner-avatar'] = $userdata["avatar"];
 265
 266                                 if (!intval(get_config('system','wall-to-wall_share'))) {
 267
 268                                         $prebody = "[share author='".$postarray['author-name'].
 269                                                 "' profile='".$postarray['author-link'].
 270                                                 "' avatar='".$postarray['author-avatar']."']";
 271
 272                                         $postarray['author-name'] = $postarray['owner-name'];
 273                                         $postarray['author-link'] = $postarray['owner-link'];
 274                                         $postarray['author-avatar'] = $postarray['owner-avatar'];
 275                                 }
 276                         }
 277                 }
 278         }
 279
 280         if ($contact_id <= 0) {
 281                 $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], $create_user);
 282
 283                 if ($contact_id == -1) {
 284                         logger('fbsync_createpost: Contact is blocked. Post not imported '.print_r($post, true), LOGGER_DEBUG);
 285                         return;
 286                 } elseif (($contact_id <= 0) AND !$create_user) {
 287                         logger('fbsync_createpost: No matching contact found. Post not imported '.print_r($post, true), LOGGER_DEBUG);
 288                         return;
 289                 } elseif ($contact_id == 0) {
 290                         // This case should never happen
 291                         logger('fbsync_createpost: No matching contact found. Using own id. (Should never happen) '.print_r($post, true), LOGGER_DEBUG);
 292                         $contact_id = $self[0]["id"];
 293                 }
 294
 295                 $postarray['contact-id'] = $contact_id;
 296         }
 297
 298         $postarray["body"] = (isset($post->message) ? escape_tags($post->message) : '');
 299
 300         $msgdata = fbsync_convertmsg($a, $postarray["body"]);
 301
 302         $postarray["body"] = $msgdata["body"];
 303         $postarray["tag"] = $msgdata["tags"];
 304
 305         $content = "";
 306         $type = "";
 307
 308         if (isset($post->attachment->name) and isset($post->attachment->href)) {
 309                 $oembed_data = oembed_fetch_url($post->attachment->href);
 310                 $type = $oembed_data->type;
 311                 if ($type == "rich")
 312                         $type = "link";
 313
 314                 $content = "[bookmark=".$post->attachment->href."]".$post->attachment->name."[/bookmark]";
 315         } elseif (isset($post->attachment->name) AND ($post->attachment->name != ""))
 316                 $content = "[b]" . $post->attachment->name."[/b]";
 317
 318         $quote = "";
 319         if(isset($post->attachment->description) and ($post->attachment->fb_object_type != "photo"))
 320                 $quote = $post->attachment->description;
 321
 322         if(isset($post->attachment->caption) and ($post->attachment->fb_object_type == "photo"))
 323                 $quote = $post->attachment->caption;
 324
 325         if ($quote.$post->attachment->href.$content.$postarray["body"] == "")
 326                 return;
 327
 328         if (isset($post->attachment->media) // AND !strstr($post->attachment->href, "://www.youtube.com/")
 329                 //AND !strstr($post->attachment->href, "://youtu.be/")
 330                 //AND !strstr($post->attachment->href, ".vimeo.com/"))
 331                 AND (($type == "") OR ($type == "link"))) {
 332                 foreach ($post->attachment->media AS $media) {
 333                         //$media->photo->owner = number_format($media->photo->owner, 0, '', '');
 334                         //if ($media->photo->owner != '') {
 335                         //      $postarray['author-name'] = $contacts[$media->photo->owner]->name;
 336                         //      $postarray['author-link'] = $contacts[$media->photo->owner]->url;
 337                         //      $postarray['author-avatar'] = $contacts[$media->photo->owner]->pic_square;
 338                         //}
 339
 340                         if (isset($media->type))
 341                                 $type = $media->type;
 342
 343                         if(isset($media->src) && isset($media->href) AND ($media->src != "") AND ($media->href != ""))
 344                                 $content .= "\n".'[url='.$media->href.'][img]'.fpost_cleanpicture($media->src).'[/img][/url]';
 345                         else {
 346                                 if (isset($media->src) AND ($media->src != ""))
 347                                         $content .= "\n".'[img]'.fpost_cleanpicture($media->src).'[/img]';
 348
 349                                 // if just a link, it may be a wall photo - check
 350                                 if(isset($post->link))
 351                                         $content .= fbpost_get_photo($media->href);
 352                         }
 353                 }
 354         }
 355
 356         if ($content)
 357                 $postarray["body"] .= "\n";
 358
 359         if ($type)
 360                 $postarray["body"] .= "[class=type-".$type."]";
 361
 362         if ($content)
 363                 $postarray["body"] .= trim($content);
 364
 365         if ($quote)
 366                 $postarray["body"] .= "\n[quote]".trim($quote)."[/quote]";
 367
 368         if ($type)
 369                 $postarray["body"] .= "[/class]";
 370
 371         $postarray["body"] = trim($postarray["body"]);
 372
 373         if (trim($postarray["body"]) == "")
 374                 return;
 375
 376         if ($prebody != "")
 377                 $postarray["body"] = $prebody.$postarray["body"]."[/share]";
 378
 379         $postarray['created'] = datetime_convert('UTC','UTC',date("c", $post->created_time));
 380         $postarray['edited'] = datetime_convert('UTC','UTC',date("c", $post->updated_time));
 381
 382         $postarray['app'] = $applications[$post->app_id]->display_name;
 383
 384         if ($postarray['app'] == "")
 385                 $postarray['app'] = "Facebook";
 386
 387         if(isset($post->privacy) && $post->privacy->value !== '') {
 388                 $postarray['private'] = 1;
 389                 $postarray['allow_cid'] = '<' . $self[0]['id'] . '>';
 390         }
 391
 392         /*
 393         $postarray["location"] = $post->place->name;
 394         postarray["coord"] = $post->geo->coordinates[0]." ".$post->geo->coordinates[1];
 395         */
 396
 397         //$types = array(46, 80, 237, 247, 308);
 398         //if (!in_array($post->type, $types))
 399         //      $postarray["body"] = "Type: ".$post->type."\n".$postarray["body"];
 400         //print_r($post);
 401         //print_r($postarray);
 402         $item = item_store($postarray);
 403         logger('fbsync_createpost: User '.$self[0]["nick"].' posted feed item '.$item, LOGGER_DEBUG);
 404 }
 405
 406 function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $applications, $comment) {
 407
 408         // check if it was already imported
 409         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
 410                 intval($uid),
 411                 dbesc('fb::'.$comment->id)
 412         );
 413         if(count($r))
 414                 return;
 415
 416         // check if it was an own post (separate posting for performance reasons)
 417         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
 418                 intval($uid),
 419                 dbesc('fb::'.$comment->id)
 420         );
 421         if(count($r))
 422                 return;
 423
 424         $parent_uri = "";
 425         $parent_contact = 0;
 426         $parent_nick = "";
 427
 428         // Fetch the parent uri (Checking if the parent exists)
 429         $r = q("SELECT `uri`, `contact-id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
 430                 intval($uid),
 431                 dbesc('fb::'.$comment->post_id)
 432         );
 433         if(count($r)) {
 434                 $parent_uri = $r[0]["uri"];
 435                 $parent_contact = $r[0]["contact-id"];
 436         }
 437
 438         // check if it is a reply to an own post (separate posting for performance reasons)
 439         $r = q("SELECT `uri`, `contact-id` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
 440                 intval($uid),
 441                 dbesc('fb::'.$comment->post_id)
 442         );
 443         if(count($r)) {
 444                 $parent_uri = $r[0]["uri"];
 445                 $parent_contact = $r[0]["contact-id"];
 446         }
 447
 448         // No parent? Then quit
 449         if ($parent_uri == "")
 450                 return;
 451
 452         //logger("fbsync_createcomment: Checking if parent contact is blocked: ".$parent_contact." - ".$parent_uri, LOGGER_DEBUG);
 453
 454         // Check if the contact id was blocked
 455         if ($parent_contact > 0) {
 456                 $r = q("SELECT `blocked`, `readonly`, `nick` FROM `contact` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 457                         intval($uid), intval($parent_contact));
 458
 459                 // Should only happen if someone deleted the contact manually
 460                 if(!count($r)) {
 461                         logger("fbsync_createcomment: UID ".$uid." - Contact ".$parent_contact." doesn't seem to exist.", LOGGER_DEBUG);
 462                         return;
 463                 }
 464
 465                 // Is blocked? Then return
 466                 if ($r[0]["readonly"] OR $r[0]["blocked"]) {
 467                         logger("fbsync_createcomment: UID ".$uid." - Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
 468                         return;
 469                 }
 470
 471                 $parent_nick = $r[0]["nick"];
 472                 logger("fbsync_createcomment: UID ".$uid." - Contact '".$r[0]["nick"]."' isn't blocked. ".print_r($r, true), LOGGER_DEBUG);
 473         }
 474
 475         $postarray = array();
 476         $postarray['gravity'] = 0;
 477         $postarray['uid'] = $uid;
 478         $postarray['wall'] = 0;
 479
 480         $postarray['verb'] = ACTIVITY_POST;
 481         $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
 482
 483         $postarray['uri'] = "fb::".$comment->id;
 484         $postarray['thr-parent'] = $parent_uri;
 485         $postarray['parent-uri'] = $parent_uri;
 486         //$postarray['plink'] = $comment->permalink;
 487
 488         $contact_id = fbsync_fetch_contact($uid, $contacts[$comment->fromid], array(), false);
 489
 490         $contact_nick = $contacts[$comment->fromid]->name;
 491
 492         if ($contact_id == -1) {
 493                 logger('fbsync_createcomment: Contact was blocked. Comment not imported '.print_r($comment, true), LOGGER_DEBUG);
 494                 return;
 495         }
 496
 497         // If no contact was found, take it from the thread owner
 498         if ($contact_id <= 0) {
 499                 $contact_id = $parent_contact;
 500                 $contact_nick = $parent_nick;
 501         }
 502
 503         // This case here should never happen
 504         if ($contact_id <= 0) {
 505                 $contact_id = $self[0]["id"];
 506                 $contact_nick = $self[0]["nick"];
 507         }
 508
 509         if ($comment->fromid != $self_id) {
 510                 $postarray['contact-id'] = $contact_id;
 511                 $postarray['owner-name'] = $contacts[$comment->fromid]->name;
 512                 $postarray['owner-link'] = $contacts[$comment->fromid]->url;
 513                 $postarray['owner-avatar'] = $contacts[$comment->fromid]->pic_square;
 514         } else {
 515                 $postarray['contact-id'] = $self[0]["id"];
 516                 $postarray['owner-name'] = $self[0]["name"];
 517                 $postarray['owner-link'] = $self[0]["url"];
 518                 $postarray['owner-avatar'] = $self[0]["photo"];
 519                 $contact_nick = $self[0]["nick"];
 520         }
 521
 522         $postarray['author-name'] = $postarray['owner-name'];
 523         $postarray['author-link'] = $postarray['owner-link'];
 524         $postarray['author-avatar'] = $postarray['owner-avatar'];
 525
 526         $msgdata = fbsync_convertmsg($a, $comment->text);
 527
 528         $postarray["body"] = $msgdata["body"];
 529         $postarray["tag"] = $msgdata["tags"];
 530
 531         $postarray['created'] = datetime_convert('UTC','UTC',date("c", $comment->time));
 532         $postarray['edited'] = datetime_convert('UTC','UTC',date("c", $comment->time));
 533
 534         $postarray['app'] = $applications[$comment->app_id]->display_name;
 535
 536         if ($postarray['app'] == "")
 537                 $postarray['app'] = "Facebook";
 538
 539         if (trim($postarray["body"]) == "")
 540                 return;
 541
 542         $item = item_store($postarray);
 543         logger('fbsync_createcomment: UID '.$uid.' - CID '.$postarray['contact-id'].' - Nick '.$contact_nick.' posted comment '.$item, LOGGER_DEBUG);
 544
 545         if ($item == 0)
 546                 return;
 547
 548         $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0",
 549                 dbesc($postarray['parent-uri']),
 550                 intval($uid)
 551         );
 552
 553         if(count($myconv)) {
 554                 $importer_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
 555
 556                 $own_contact = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 557                         intval($uid), dbesc("facebook::".$self_id));
 558
 559                 if (!count($own_contact))
 560                         return;
 561
 562                 foreach($myconv as $conv) {
 563
 564                         // now if we find a match, it means we're in this conversation
 565                         if(!link_compare($conv['author-link'],$importer_url) AND !link_compare($conv['author-link'],$own_contact[0]["url"]))
 566                                 continue;
 567
 568                         require_once('include/enotify.php');
 569
 570                         $conv_parent = $conv['parent'];
 571
 572                         $notifyarr = array(
 573                                         'type'         => NOTIFY_COMMENT,
 574                                         'notify_flags' => $user[0]['notify-flags'],
 575                                         'language'     => $user[0]['language'],
 576                                         'to_name'      => $user[0]['username'],
 577                                         'to_email'     => $user[0]['email'],
 578                                         'uid'          => $user[0]['uid'],
 579                                         'item'         => $postarray,
 580                                         'link'             => $a->get_baseurl() . '/display/' . $user[0]['nickname'] . '/' . $item,
 581                                         'source_name'  => $postarray['author-name'],
 582                                         'source_link'  => $postarray['author-link'],
 583                                         'source_photo' => $postarray['author-avatar'],
 584                                         'verb'         => ACTIVITY_POST,
 585                                         'otype'        => 'item',
 586                                         'parent'       => $conv_parent,
 587                         );
 588
 589                         notification($notifyarr);
 590
 591                         // only send one notification
 592                         break;
 593                 }
 594         }
 595 }
 596
 597 function fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like) {
 598
 599         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 600                                 dbesc("fb::".$like->post_id),
 601                                 intval($uid)
 602                 );
 603
 604         if (count($r))
 605                 $orig_post = $r[0];
 606         else
 607                 return;
 608
 609         // If we posted the like locally, it will be found with our url, not the FB url.
 610
 611         $second_url = (($like->user_id == $self_id) ? $self[0]["url"] : $contacts[$like->user_id]->url);
 612
 613         $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `verb` = '%s'
 614                 AND (`author-link` = '%s' OR `author-link` = '%s') LIMIT 1",
 615                 dbesc($orig_post["uri"]),
 616                 intval($uid),
 617                 dbesc(ACTIVITY_LIKE),
 618                 dbesc($contacts[$like->user_id]->url),
 619                 dbesc($second_url)
 620         );
 621
 622         if (count($r))
 623                 return;
 624
 625         $contact_id = fbsync_fetch_contact($uid, $contacts[$like->user_id], array(), false);
 626
 627         if ($contact_id <= 0)
 628                 $contact_id = $self[0]["id"];
 629
 630         $likedata = array();
 631         $likedata['parent'] = $orig_post['id'];
 632         $likedata['verb'] = ACTIVITY_LIKE;
 633         $likedate['network'] =  dbesc(NETWORK_FACEBOOK);
 634         $likedata['gravity'] = 3;
 635         $likedata['uid'] = $uid;
 636         $likedata['wall'] = 0;
 637         $likedata['uri'] = item_new_uri($a->get_baseurl(), $uid);
 638         $likedata['parent-uri'] = $orig_post["uri"];
 639         $likedata['app'] = "Facebook";
 640
 641         if ($like->user_id != $self_id) {
 642                 $likedata['contact-id'] = $contact_id;
 643                 $likedata['author-name'] = $contacts[$like->user_id]->name;
 644                 $likedata['author-link'] = $contacts[$like->user_id]->url;
 645                 $likedata['author-avatar'] = $contacts[$like->user_id]->pic_square;
 646         } else {
 647                 $likedata['contact-id'] = $self[0]["id"];
 648                 $likedata['author-name'] = $self[0]["name"];
 649                 $likedata['author-link'] = $self[0]["url"];
 650                 $likedata['author-avatar'] = $self[0]["photo"];
 651         }
 652
 653         $author  = '[url=' . $likedata['author-link'] . ']' . $likedata['author-name'] . '[/url]';
 654
 655         $objauthor =  '[url=' . $orig_post['author-link'] . ']' . $orig_post['author-name'] . '[/url]';
 656         $post_type = t('status');
 657
 658         $plink = '[url=' . $orig_post['plink'] . ']' . $post_type . '[/url]';
 659         $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
 660
 661         $likedata['body'] = sprintf( t('%1$s likes %2$s\'s %3$s'), $author, $objauthor, $plink);
 662
 663         $likedata['object'] = '<object><type>' . ACTIVITY_OBJ_NOTE . '</type><local>1</local>' .
 664                 '<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>';
 665
 666
 667         $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `author-link` = '%s' AND `verb` = '%s' AND `uid` = %d LIMIT 1",
 668                                 dbesc($likedata['parent-uri']),
 669                                 dbesc($likedata['author-link']),
 670                                 dbesc(ACTIVITY_LIKE),
 671                                 intval($uid)
 672                 );
 673
 674         if (count($r))
 675                 return;
 676
 677         $item = item_store($likedata);
 678         logger('fbsync_createlike: liked item '.$item.'. User '.$self[0]["nick"], LOGGER_DEBUG);
 679 }
 680
 681 function fbsync_fetch_contact($uid, $contact, $create_user) {
 682
 683         // Check if the unique contact is existing
 684         // To-Do: only update once a while
 685         $r = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
 686                 dbesc(normalise_link($contact->url)));
 687
 688         if (count($r) == 0)
 689                 q("INSERT INTO unique_contacts (url, name, nick, avatar) VALUES ('%s', '%s', '%s', '%s')",
 690                         dbesc(normalise_link($contact->url)),
 691                         dbesc($contact->name),
 692                         dbesc($contact->username),
 693                         dbesc($contact->pic_square));
 694         else
 695                 q("UPDATE unique_contacts SET name = '%s', nick = '%s', avatar = '%s' WHERE url = '%s'",
 696                         dbesc($contact->name),
 697                         dbesc($contact->username),
 698                         dbesc($contact->pic_square),
 699                         dbesc(normalise_link($contact->url)));
 700
 701         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 702                 intval($uid), dbesc("facebook::".$contact->id));
 703
 704         if(!count($r) AND !$create_user)
 705                 return(0);
 706
 707         if (count($r) AND ($r[0]["readonly"] OR $r[0]["blocked"])) {
 708                 logger("fbsync_fetch_contact: Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
 709                 return(-1);
 710         }
 711
 712         $avatarpicture = $contact->pic_square;
 713
 714         if(!count($r)) {
 715                 // create contact record
 716                 q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
 717                                         `name`, `nick`, `photo`, `network`, `rel`, `priority`,
 718                                         `writable`, `blocked`, `readonly`, `pending`)
 719                                         VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0)",
 720                         intval($uid),
 721                         dbesc(datetime_convert()),
 722                         dbesc($contact->url),
 723                         dbesc(normalise_link($contact->url)),
 724                         dbesc($contact->username."@facebook.com"),
 725                         dbesc("facebook::".$contact->id),
 726                         dbesc($contact->id),
 727                         dbesc("facebook::".$contact->id),
 728                         dbesc($contact->name),
 729                         dbesc($contact->username),
 730                         dbesc($avatarpicture),
 731                         dbesc(NETWORK_FACEBOOK),
 732                         intval(CONTACT_IS_FRIEND),
 733                         intval(1),
 734                         intval(1)
 735                 );
 736
 737                 $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d LIMIT 1",
 738                         dbesc("facebook::".$contact->id),
 739                         intval($uid)
 740                         );
 741
 742                 if(! count($r))
 743                         return(false);
 744
 745                 $contact_id  = $r[0]['id'];
 746
 747                 $g = q("SELECT def_gid FROM user WHERE uid = %d LIMIT 1",
 748                         intval($uid)
 749                 );
 750
 751                 if($g && intval($g[0]['def_gid'])) {
 752                         require_once('include/group.php');
 753                         group_add_member($uid,'',$contact_id,$g[0]['def_gid']);
 754                 }
 755
 756                 require_once("Photo.php");
 757
 758                 $photos = import_profile_photo($avatarpicture,$uid,$contact_id);
 759
 760                 q("UPDATE `contact` SET `photo` = '%s',
 761                                         `thumb` = '%s',
 762                                         `micro` = '%s',
 763                                         `name-date` = '%s',
 764                                         `uri-date` = '%s',
 765                                         `avatar-date` = '%s'
 766                                 WHERE `id` = %d",
 767                         dbesc($photos[0]),
 768                         dbesc($photos[1]),
 769                         dbesc($photos[2]),
 770                         dbesc(datetime_convert()),
 771                         dbesc(datetime_convert()),
 772                         dbesc(datetime_convert()),
 773                         intval($contact_id)
 774                 );
 775         } else {
 776                 // update profile photos once every 12 hours as we have no notification of when they change.
 777                 $update_photo = ($r[0]['avatar-date'] < datetime_convert('','','now -12 hours'));
 778
 779                 // check that we have all the photos, this has been known to fail on occasion
 780                 if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro']) || ($update_photo)) {
 781
 782                         logger("fbsync_fetch_contact: Updating contact ".$contact->username, LOGGER_DEBUG);
 783
 784                         require_once("Photo.php");
 785
 786                         $photos = import_profile_photo($avatarpicture, $uid, $r[0]['id']);
 787
 788                         q("UPDATE `contact` SET `photo` = '%s',
 789                                                 `thumb` = '%s',
 790                                                 `micro` = '%s',
 791                                                 `name-date` = '%s',
 792                                                 `uri-date` = '%s',
 793                                                 `avatar-date` = '%s',
 794                                                 `url` = '%s',
 795                                                 `nurl` = '%s',
 796                                                 `addr` = '%s',
 797                                                 `name` = '%s',
 798                                                 `nick` = '%s',
 799                                                 `notify` = '%s'
 800                                         WHERE `id` = %d",
 801                                 dbesc($photos[0]),
 802                                 dbesc($photos[1]),
 803                                 dbesc($photos[2]),
 804                                 dbesc(datetime_convert()),
 805                                 dbesc(datetime_convert()),
 806                                 dbesc(datetime_convert()),
 807                                 dbesc($contact->url),
 808                                 dbesc(normalise_link($contact->url)),
 809                                 dbesc($contact->username."@facebook.com"),
 810                                 dbesc($contact->name),
 811                                 dbesc($contact->username),
 812                                 dbesc($contact->id),
 813                                 intval($r[0]['id'])
 814                         );
 815                 }
 816         }
 817         return($r[0]["id"]);
 818 }
 819
 820 function fbsync_get_self($uid) {
 821         $access_token = get_pconfig($uid,'facebook','access_token');
 822         if(! $access_token)
 823                 return;
 824         $s = fetch_url('https://graph.facebook.com/me/?access_token=' . $access_token);
 825         if($s) {
 826                 $j = json_decode($s);
 827                 set_pconfig($uid,'fbsync','self_id',(string) $j->id);
 828         }
 829 }
 830
 831 function fbsync_convertmsg($a, $body) {
 832         $str_tags = '';
 833
 834         $tags = get_tags($body);
 835
 836         if(count($tags)) {
 837                 foreach($tags as $tag) {
 838                         if (strstr(trim($tag), " "))
 839                                 continue;
 840
 841                         if(strpos($tag,'#') === 0) {
 842                                 if(strpos($tag,'[url='))
 843                                         continue;
 844
 845                                 // don't link tags that are already embedded in links
 846
 847                                 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
 848                                         continue;
 849                                 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
 850                                         continue;
 851
 852                                 $basetag = str_replace('_',' ',substr($tag,1));
 853                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 854                                 if(strlen($str_tags))
 855                                         $str_tags .= ',';
 856                                 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
 857                                 continue;
 858                         } elseif(strpos($tag,'@') === 0) {
 859                                 $basetag = substr($tag,1);
 860                                 $body = str_replace($tag,'@[url=https://twitter.com/' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 861                         }
 862
 863                 }
 864         }
 865
 866         $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
 867         if($cnt) {
 868                 foreach($matches as $mtch) {
 869                         if(strlen($str_tags))
 870                                 $str_tags .= ',';
 871                         $str_tags .= '@[url=' . $mtch[1] . '[/url]';
 872                 }
 873         }
 874
 875         return(array("body"=>$body, "tags"=>$str_tags));
 876
 877 }
 878
 879 function fbsync_fetchuser($a, $uid, $id) {
 880         $access_token = get_pconfig($uid,'facebook','access_token');
 881         $self_id = get_pconfig($uid,'fbsync','self_id');
 882
 883         $user = array();
 884
 885         $contact = q("SELECT `id`, `name`, `url`, `photo`  FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 886                 intval($uid), dbesc("facebook::".$id));
 887
 888         if (count($contact)) {
 889                 if (($contact[0]["readonly"] OR $contact[0]["blocked"])) {
 890                         logger("fbsync_fetchuser: Contact '".$contact[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
 891                         $user["contact-id"] = -1;
 892                 } else
 893                         $user["contact-id"] = $contact[0]["id"];
 894
 895                 $user["name"] = $contact[0]["name"];
 896                 $user["link"] = $contact[0]["url"];
 897                 $user["avatar"] = $contact[0]["photo"];
 898
 899                 return($user);
 900         }
 901
 902         $own_contact = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 903                 intval($uid), dbesc("facebook::".$self_id));
 904
 905         if (!count($own_contact))
 906                 return($user);
 907
 908         $fql = "SELECT name, url, pic_square FROM profile WHERE id = ".$id;
 909
 910         $url = "https://graph.facebook.com/fql?q=".urlencode($fql)."&access_token=".$access_token;
 911
 912         $feed = fetch_url($url);
 913         $data = json_decode($feed);
 914
 915         if (is_array($data->data)) {
 916                 $user["contact-id"] = $own_contact[0]["id"];
 917                 $user["name"] = $data->data[0]->name;
 918                 $user["link"] = $data->data[0]->url;
 919                 $user["avatar"] = $data->data[0]->pic_square;
 920         }
 921         return($user);
 922 }
 923
 924 function fbsync_fetchfeed($a, $uid) {
 925         $access_token = get_pconfig($uid,'facebook','access_token');
 926         $last_updated = get_pconfig($uid,'fbsync','last_updated');
 927         $self_id = get_pconfig($uid,'fbsync','self_id');
 928
 929         $create_user = get_pconfig($uid, 'fbsync', 'create_user');
 930         $do_likes = get_config('fbsync', 'do_likes');
 931
 932         $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 933                 intval($uid)
 934         );
 935
 936         $user = q("SELECT * FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
 937                 intval($uid)
 938         );
 939         if(! count($user))
 940                 return;
 941
 942         require_once('include/items.php');
 943
 944         //if ($last_updated == "")
 945                 $last_updated = 0;
 946
 947         logger("fbsync_fetchfeed: fetching content for user ".$self_id);
 948
 949         $fql = array(
 950                 "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 > $last_updated ORDER BY updated_time DESC LIMIT 500",
 951                 "comments" => "SELECT app_id, attachment, post_id, id, likes, fromid, time, text, text_tags, user_likes, likes FROM comment WHERE post_id IN (SELECT post_id FROM #posts) ORDER BY time DESC LIMIT 500",
 952                 "profiles" => "SELECT id, name, username, url, pic_square FROM profile WHERE id IN (SELECT actor_id FROM #posts) OR id IN (SELECT fromid FROM #comments) OR id IN (SELECT source_id FROM #posts) LIMIT 500",
 953                 "applications" => "SELECT app_id, display_name FROM application WHERE app_id IN (SELECT app_id FROM #posts) OR app_id IN (SELECT app_id FROM #comments) LIMIT 500",
 954                 "avatars" => "SELECT id, real_size, size, url FROM square_profile_pic WHERE id IN (SELECT id FROM #profiles) AND size = 256 LIMIT 500");
 955
 956         if ($do_likes) {
 957                 $fql["likes"] = "SELECT post_id, user_id FROM like WHERE post_id IN (SELECT post_id FROM #posts)";
 958                 $fql["profiles"] .= " OR id IN (SELECT user_id FROM #likes)";
 959         }
 960
 961         $url = "https://graph.facebook.com/fql?q=".urlencode(json_encode($fql))."&access_token=".$access_token;
 962
 963         $feed = fetch_url($url);
 964         $data = json_decode($feed);
 965
 966         if (!is_array($data->data)) {
 967                 logger("fbsync_fetchfeed: Error fetching data for user ".$uid.": ".print_r($data, true));
 968                 return;
 969         }
 970
 971         $posts = array();
 972         $comments = array();
 973         $likes = array();
 974         $profiles = array();
 975         $applications = array();
 976         $avatars = array();
 977
 978         foreach($data->data AS $query) {
 979                 switch ($query->name) {
 980                         case "posts":
 981                                 $posts = array_reverse($query->fql_result_set);
 982                                 break;
 983                         case "comments":
 984                                 $comments = $query->fql_result_set;
 985                                 break;
 986                         case "likes":
 987                                 $likes = $query->fql_result_set;
 988                                 break;
 989                         case "profiles":
 990                                 $profiles = $query->fql_result_set;
 991                                 break;
 992                         case "applications":
 993                                 $applications = $query->fql_result_set;
 994                                 break;
 995                         case "avatars":
 996                                 $avatars = $query->fql_result_set;
 997                                 break;
 998                 }
 999         }
1000
1001         $square_avatars = array();
1002         $contacts = array();
1003         $application_data = array();
1004         $post_data = array();
1005         $comment_data = array();
1006
1007         foreach ($avatars AS $avatar) {
1008                 $avatar->id = number_format($avatar->id, 0, '', '');
1009                 $square_avatars[$avatar->id] = $avatar;
1010         }
1011         unset($avatars);
1012
1013         foreach ($profiles AS $profile) {
1014                 $profile->id = number_format($profile->id, 0, '', '');
1015
1016                 if ($square_avatars[$profile->id]->url != "")
1017                         $profile->pic_square = $square_avatars[$profile->id]->url;
1018
1019                 $contacts[$profile->id] = $profile;
1020         }
1021         unset($profiles);
1022         unset($square_avatars);
1023
1024         foreach ($applications AS $application) {
1025                 $application->app_id = number_format($application->app_id, 0, '', '');
1026                 $application_data[$application->app_id] = $application;
1027         }
1028         unset($applications);
1029
1030         foreach ($posts AS $post) {
1031                 $post->actor_id = number_format($post->actor_id, 0, '', '');
1032                 $post->source_id = number_format($post->source_id, 0, '', '');
1033                 $post->app_id = number_format($post->app_id, 0, '', '');
1034                 $post_data[$post->post_id] = $post;
1035         }
1036         unset($posts);
1037
1038         foreach($comments AS $comment) {
1039                 $comment->fromid = number_format($comment->fromid, 0, '', '');
1040                 $comment_data[$comment->id] = $comment;
1041         }
1042         unset($comments);
1043
1044         foreach ($post_data AS $post) {
1045                 if ($post->updated_time > $last_updated)
1046                         $last_updated = $post->updated_time;
1047                 fbsync_createpost($a, $uid, $self, $contacts, $application_data, $post, $create_user);
1048         }
1049
1050         foreach ($comment_data AS $comment) {
1051                 fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $application_data, $comment);
1052         }
1053
1054         foreach($likes AS $like) {
1055                 $like->user_id = number_format($like->user_id, 0, '', '');
1056
1057                 fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like);
1058         }
1059
1060         set_pconfig($uid,'fbsync','last_updated', $last_updated);
1061 }
1062 ?>