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['object-type'] = ACTIVITY_OBJ_NOTE; // default value - is maybe changed later when media is attached
 233         $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
 234
 235         $postarray['uri'] = "fb::".$post->post_id;
 236         $postarray['thr-parent'] = $postarray['uri'];
 237         $postarray['parent-uri'] = $postarray['uri'];
 238         $postarray['plink'] = $post->permalink;
 239
 240         $postarray['author-name'] = $contacts[$post->actor_id]->name;
 241         $postarray['author-link'] = $contacts[$post->actor_id]->url;
 242         $postarray['author-avatar'] = $contacts[$post->actor_id]->pic_square;
 243
 244         $postarray['owner-name'] = $contacts[$post->source_id]->name;
 245         $postarray['owner-link'] = $contacts[$post->source_id]->url;
 246         $postarray['owner-avatar'] = $contacts[$post->source_id]->pic_square;
 247
 248         $contact_id = 0;
 249
 250         if (($post->parent_post_id != "") AND ($post->actor_id == $post->source_id)) {
 251                 $pos = strpos($post->parent_post_id, "_");
 252
 253                 if ($pos != 0) {
 254                         $user_id = substr($post->parent_post_id, 0, $pos);
 255
 256                         $userdata = fbsync_fetchuser($a, $uid, $user_id);
 257
 258                         $contact_id = $userdata["contact-id"];
 259
 260                         $postarray['contact-id'] = $contact_id;
 261
 262                         if (array_key_exists("name", $userdata) AND ($userdata["name"] != "") AND !link_compare($userdata["link"], $postarray['author-link'])) {
 263                                 $postarray['owner-name'] = $userdata["name"];
 264                                 $postarray['owner-link'] = $userdata["link"];
 265                                 $postarray['owner-avatar'] = $userdata["avatar"];
 266
 267                                 if (!intval(get_config('system','wall-to-wall_share'))) {
 268
 269                                         $prebody = "[share author='".$postarray['author-name'].
 270                                                 "' profile='".$postarray['author-link'].
 271                                                 "' avatar='".$postarray['author-avatar']."']";
 272
 273                                         $postarray['author-name'] = $postarray['owner-name'];
 274                                         $postarray['author-link'] = $postarray['owner-link'];
 275                                         $postarray['author-avatar'] = $postarray['owner-avatar'];
 276                                 }
 277                         }
 278                 }
 279         }
 280
 281         if ($contact_id <= 0) {
 282                 if ($post->actor_id != $post->source_id) {
 283                         // Testing if we know the source or the actor
 284                         $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], false);
 285
 286                         if (($contact_id == 0) and array_key_exists($post->actor_id, $contacts))
 287                                 $contact_id = fbsync_fetch_contact($uid, $contacts[$post->actor_id], false);
 288
 289                         // If we don't know anyone, we guess we should know the source. Could be the wrong decision
 290                         if ($contact_id == 0)
 291                                 $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], $create_user);
 292                 } else
 293                         $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], $create_user);
 294
 295
 296                 if ($contact_id == -1) {
 297                         logger('fbsync_createpost: Contact is blocked. Post not imported '.print_r($post, true), LOGGER_DEBUG);
 298                         return;
 299                 } elseif (($contact_id <= 0) AND !$create_user) {
 300                         logger('fbsync_createpost: No matching contact found. Post not imported '.print_r($post, true), LOGGER_DEBUG);
 301                         return;
 302                 } elseif ($contact_id == 0) {
 303                         // This case should never happen
 304                         logger('fbsync_createpost: No matching contact found. Using own id. (Should never happen) '.print_r($post, true), LOGGER_DEBUG);
 305                         $contact_id = $self[0]["id"];
 306                 }
 307
 308                 $postarray['contact-id'] = $contact_id;
 309         }
 310
 311         $postarray["body"] = (isset($post->message) ? escape_tags($post->message) : '');
 312
 313         $msgdata = fbsync_convertmsg($a, $postarray["body"]);
 314
 315         $postarray["body"] = $msgdata["body"];
 316         $postarray["tag"] = $msgdata["tags"];
 317
 318         // Change the object type when an attachment is present
 319         if (isset($post->attachment->fb_object_type))
 320                 logger('fb_object_type: '.$post->attachment->fb_object_type." ".print_r($post->attachment, true), LOGGER_DEBUG);
 321                 switch ($post->attachment->fb_object_type) {
 322                         case 'photo':
 323                                 $postarray['object-type'] = ACTIVITY_OBJ_IMAGE; // photo is deprecated: http://activitystrea.ms/head/activity-schema.html#image
 324                                 break;
 325                         case 'video':
 326                                 $postarray['object-type'] = ACTIVITY_OBJ_VIDEO;
 327                                 break;
 328                         case '':
 329                                 //$postarray['object-type'] = ACTIVITY_OBJ_BOOKMARK;
 330                                 break;
 331                         default:
 332                                 logger('Unknown object type '.$post->attachment->fb_object_type, LOGGER_DEBUG);
 333                                 break;
 334                 }
 335
 336         $content = "";
 337         $type = "";
 338
 339         if (isset($post->attachment->name) and isset($post->attachment->href)) {
 340                 $oembed_data = oembed_fetch_url($post->attachment->href);
 341                 $type = $oembed_data->type;
 342                 if ($type == "rich")
 343                         $type = "link";
 344
 345                 $content = "[bookmark=".$post->attachment->href."]".$post->attachment->name."[/bookmark]";
 346         } elseif (isset($post->attachment->name) AND ($post->attachment->name != ""))
 347                 $content = "[b]" . $post->attachment->name."[/b]";
 348
 349         $quote = "";
 350         if (isset($post->attachment->description) and ($post->attachment->fb_object_type != "photo"))
 351                 $quote = $post->attachment->description;
 352
 353         if (isset($post->attachment->caption) and ($post->attachment->fb_object_type == "photo"))
 354                 $quote = $post->attachment->caption;
 355
 356         if ($quote.$post->attachment->href.$content.$postarray["body"] == "")
 357                 return;
 358
 359         if (isset($post->attachment->media) AND (($type == "") OR ($type == "link"))) {
 360                 foreach ($post->attachment->media AS $media) {
 361
 362                         if (isset($media->type))
 363                                 $type = $media->type;
 364
 365                         if (isset($media->src))
 366                                 $preview = $media->src;
 367
 368                         if (isset($media->photo))
 369                                 if (isset($media->photo->images) AND (count($media->photo->images) > 1))
 370                                         $preview = $media->photo->images[1]->src;
 371
 372                         if (isset($media->href) AND ($preview != "") AND ($media->href != ""))
 373                                 $content .= "\n".'[url='.$media->href.'][img]'.$preview.'[/img][/url]';
 374                         else {
 375                                 if ($preview != "")
 376                                         $content .= "\n".'[img]'.$preview.'[/img]';
 377
 378                                 // if just a link, it may be a wall photo - check
 379                                 if (isset($post->link))
 380                                         $content .= fbpost_get_photo($media->href);
 381                         }
 382                 }
 383         }
 384
 385         if ($type == "link")
 386                 $postarray["object-type"] = ACTIVITY_OBJ_BOOKMARK;
 387
 388         if ($content)
 389                 $postarray["body"] .= "\n";
 390
 391         if ($type)
 392                 $postarray["body"] .= "[class=type-".$type."]";
 393
 394         if ($content)
 395                 $postarray["body"] .= trim($content);
 396
 397         if ($quote)
 398                 $postarray["body"] .= "\n[quote]".trim($quote)."[/quote]";
 399
 400         if ($type)
 401                 $postarray["body"] .= "[/class]";
 402
 403         $postarray["body"] = trim($postarray["body"]);
 404
 405         if (trim($postarray["body"]) == "")
 406                 return;
 407
 408         if ($prebody != "")
 409                 $postarray["body"] = $prebody.$postarray["body"]."[/share]";
 410
 411         $postarray['created'] = datetime_convert('UTC','UTC',date("c", $post->created_time));
 412         $postarray['edited'] = datetime_convert('UTC','UTC',date("c", $post->updated_time));
 413
 414         $postarray['app'] = $applications[$post->app_id]->display_name;
 415
 416         if ($postarray['app'] == "")
 417                 $postarray['app'] = "Facebook";
 418
 419         if(isset($post->privacy) && $post->privacy->value !== '') {
 420                 $postarray['private'] = 1;
 421                 $postarray['allow_cid'] = '<' . $self[0]['id'] . '>';
 422         }
 423
 424         /*
 425         $postarray["location"] = $post->place->name;
 426         postarray["coord"] = $post->geo->coordinates[0]." ".$post->geo->coordinates[1];
 427         */
 428
 429         //$types = array(46, 80, 237, 247, 308);
 430         //if (!in_array($post->type, $types))
 431         //      $postarray["body"] = "Type: ".$post->type."\n".$postarray["body"];
 432         //print_r($post);
 433         //print_r($postarray);
 434         $item = item_store($postarray);
 435         logger('fbsync_createpost: User '.$self[0]["nick"].' posted feed item '.$item, LOGGER_DEBUG);
 436 }
 437
 438 function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $applications, $comment) {
 439
 440         // check if it was already imported
 441         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
 442                 intval($uid),
 443                 dbesc('fb::'.$comment->id)
 444         );
 445         if(count($r))
 446                 return;
 447
 448         // check if it was an own post (separate posting for performance reasons)
 449         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
 450                 intval($uid),
 451                 dbesc('fb::'.$comment->id)
 452         );
 453         if(count($r))
 454                 return;
 455
 456         $parent_uri = "";
 457         $parent_contact = 0;
 458         $parent_nick = "";
 459
 460         // Fetch the parent uri (Checking if the parent exists)
 461         $r = q("SELECT `uri`, `contact-id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
 462                 intval($uid),
 463                 dbesc('fb::'.$comment->post_id)
 464         );
 465         if(count($r)) {
 466                 $parent_uri = $r[0]["uri"];
 467                 $parent_contact = $r[0]["contact-id"];
 468         }
 469
 470         // check if it is a reply to an own post (separate posting for performance reasons)
 471         $r = q("SELECT `uri`, `contact-id` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
 472                 intval($uid),
 473                 dbesc('fb::'.$comment->post_id)
 474         );
 475         if(count($r)) {
 476                 $parent_uri = $r[0]["uri"];
 477                 $parent_contact = $r[0]["contact-id"];
 478         }
 479
 480         // No parent? Then quit
 481         if ($parent_uri == "")
 482                 return;
 483
 484         //logger("fbsync_createcomment: Checking if parent contact is blocked: ".$parent_contact." - ".$parent_uri, LOGGER_DEBUG);
 485
 486         // Check if the contact id was blocked
 487         if ($parent_contact > 0) {
 488                 $r = q("SELECT `blocked`, `readonly`, `nick` FROM `contact` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 489                         intval($uid), intval($parent_contact));
 490
 491                 // Should only happen if someone deleted the contact manually
 492                 if(!count($r)) {
 493                         logger("fbsync_createcomment: UID ".$uid." - Contact ".$parent_contact." doesn't seem to exist.", LOGGER_DEBUG);
 494                         return;
 495                 }
 496
 497                 // Is blocked? Then return
 498                 if ($r[0]["readonly"] OR $r[0]["blocked"]) {
 499                         logger("fbsync_createcomment: UID ".$uid." - Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
 500                         return;
 501                 }
 502
 503                 $parent_nick = $r[0]["nick"];
 504                 logger("fbsync_createcomment: UID ".$uid." - Contact '".$r[0]["nick"]."' isn't blocked. ".print_r($r, true), LOGGER_DEBUG);
 505         }
 506
 507         $postarray = array();
 508         $postarray['gravity'] = 0;
 509         $postarray['uid'] = $uid;
 510         $postarray['wall'] = 0;
 511
 512         $postarray['verb'] = ACTIVITY_POST;
 513         $postarray['object-type'] = ACTIVITY_OBJ_COMMENT;
 514         $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
 515
 516         $postarray['uri'] = "fb::".$comment->id;
 517         $postarray['thr-parent'] = $parent_uri;
 518         $postarray['parent-uri'] = $parent_uri;
 519         //$postarray['plink'] = $comment->permalink;
 520
 521         $contact_id = fbsync_fetch_contact($uid, $contacts[$comment->fromid], array(), false);
 522
 523         $contact_nick = $contacts[$comment->fromid]->name;
 524
 525         if ($contact_id == -1) {
 526                 logger('fbsync_createcomment: Contact was blocked. Comment not imported '.print_r($comment, true), LOGGER_DEBUG);
 527                 return;
 528         }
 529
 530         // If no contact was found, take it from the thread owner
 531         if ($contact_id <= 0) {
 532                 $contact_id = $parent_contact;
 533                 $contact_nick = $parent_nick;
 534         }
 535
 536         // This case here should never happen
 537         if ($contact_id <= 0) {
 538                 $contact_id = $self[0]["id"];
 539                 $contact_nick = $self[0]["nick"];
 540         }
 541
 542         if ($comment->fromid != $self_id) {
 543                 $postarray['contact-id'] = $contact_id;
 544                 $postarray['owner-name'] = $contacts[$comment->fromid]->name;
 545                 $postarray['owner-link'] = $contacts[$comment->fromid]->url;
 546                 $postarray['owner-avatar'] = $contacts[$comment->fromid]->pic_square;
 547         } else {
 548                 $postarray['contact-id'] = $self[0]["id"];
 549                 $postarray['owner-name'] = $self[0]["name"];
 550                 $postarray['owner-link'] = $self[0]["url"];
 551                 $postarray['owner-avatar'] = $self[0]["photo"];
 552                 $contact_nick = $self[0]["nick"];
 553         }
 554
 555         $postarray['author-name'] = $postarray['owner-name'];
 556         $postarray['author-link'] = $postarray['owner-link'];
 557         $postarray['author-avatar'] = $postarray['owner-avatar'];
 558
 559         $msgdata = fbsync_convertmsg($a, $comment->text);
 560
 561         $postarray["body"] = $msgdata["body"];
 562         $postarray["tag"] = $msgdata["tags"];
 563
 564         $postarray['created'] = datetime_convert('UTC','UTC',date("c", $comment->time));
 565         $postarray['edited'] = datetime_convert('UTC','UTC',date("c", $comment->time));
 566
 567         $postarray['app'] = $applications[$comment->app_id]->display_name;
 568
 569         if ($postarray['app'] == "")
 570                 $postarray['app'] = "Facebook";
 571
 572         if (trim($postarray["body"]) == "")
 573                 return;
 574
 575         $item = item_store($postarray);
 576         logger('fbsync_createcomment: UID '.$uid.' - CID '.$postarray['contact-id'].' - Nick '.$contact_nick.' posted comment '.$item, LOGGER_DEBUG);
 577
 578         if ($item == 0)
 579                 return;
 580
 581         $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0",
 582                 dbesc($postarray['parent-uri']),
 583                 intval($uid)
 584         );
 585
 586         if(count($myconv)) {
 587                 $importer_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
 588
 589                 $own_contact = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 590                         intval($uid), dbesc("facebook::".$self_id));
 591
 592                 if (!count($own_contact))
 593                         return;
 594
 595                 foreach($myconv as $conv) {
 596
 597                         // now if we find a match, it means we're in this conversation
 598                         if(!link_compare($conv['author-link'],$importer_url) AND !link_compare($conv['author-link'],$own_contact[0]["url"]))
 599                                 continue;
 600
 601                         require_once('include/enotify.php');
 602
 603                         $conv_parent = $conv['parent'];
 604
 605                         $notifyarr = array(
 606                                         'type'         => NOTIFY_COMMENT,
 607                                         'notify_flags' => $user[0]['notify-flags'],
 608                                         'language'     => $user[0]['language'],
 609                                         'to_name'      => $user[0]['username'],
 610                                         'to_email'     => $user[0]['email'],
 611                                         'uid'          => $user[0]['uid'],
 612                                         'item'         => $postarray,
 613                                         //'link'         => $a->get_baseurl() . '/display/' . $user[0]['nickname'] . '/' . $item,
 614                                         'link'         => $a->get_baseurl().'/display/'.get_item_guid($item),
 615                                         'source_name'  => $postarray['author-name'],
 616                                         'source_link'  => $postarray['author-link'],
 617                                         'source_photo' => $postarray['author-avatar'],
 618                                         'verb'         => ACTIVITY_POST,
 619                                         'otype'        => 'item',
 620                                         'parent'       => $conv_parent,
 621                         );
 622
 623                         notification($notifyarr);
 624
 625                         // only send one notification
 626                         break;
 627                 }
 628         }
 629 }
 630
 631 function fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like) {
 632
 633         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 634                                 dbesc("fb::".$like->post_id),
 635                                 intval($uid)
 636                 );
 637
 638         if (count($r))
 639                 $orig_post = $r[0];
 640         else
 641                 return;
 642
 643         // If we posted the like locally, it will be found with our url, not the FB url.
 644
 645         $second_url = (($like->user_id == $self_id) ? $self[0]["url"] : $contacts[$like->user_id]->url);
 646
 647         $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `verb` = '%s'
 648                 AND (`author-link` = '%s' OR `author-link` = '%s') LIMIT 1",
 649                 dbesc($orig_post["uri"]),
 650                 intval($uid),
 651                 dbesc(ACTIVITY_LIKE),
 652                 dbesc($contacts[$like->user_id]->url),
 653                 dbesc($second_url)
 654         );
 655
 656         if (count($r))
 657                 return;
 658
 659         $contact_id = fbsync_fetch_contact($uid, $contacts[$like->user_id], array(), false);
 660
 661         if ($contact_id <= 0)
 662                 $contact_id = $self[0]["id"];
 663
 664         $likedata = array();
 665         $likedata['parent'] = $orig_post['id'];
 666
 667         $likedata['verb'] = ACTIVITY_LIKE;
 668         $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
 669         $likedate['network'] =  dbesc(NETWORK_FACEBOOK);
 670
 671         $likedata['gravity'] = 3;
 672         $likedata['uid'] = $uid;
 673         $likedata['wall'] = 0;
 674         $likedata['uri'] = item_new_uri($a->get_baseurl(), $uid);
 675         $likedata['parent-uri'] = $orig_post["uri"];
 676         $likedata['app'] = "Facebook";
 677
 678         if ($like->user_id != $self_id) {
 679                 $likedata['contact-id'] = $contact_id;
 680                 $likedata['author-name'] = $contacts[$like->user_id]->name;
 681                 $likedata['author-link'] = $contacts[$like->user_id]->url;
 682                 $likedata['author-avatar'] = $contacts[$like->user_id]->pic_square;
 683         } else {
 684                 $likedata['contact-id'] = $self[0]["id"];
 685                 $likedata['author-name'] = $self[0]["name"];
 686                 $likedata['author-link'] = $self[0]["url"];
 687                 $likedata['author-avatar'] = $self[0]["photo"];
 688         }
 689
 690         $author  = '[url=' . $likedata['author-link'] . ']' . $likedata['author-name'] . '[/url]';
 691
 692         $objauthor =  '[url=' . $orig_post['author-link'] . ']' . $orig_post['author-name'] . '[/url]';
 693         $post_type = t('status');
 694
 695         $plink = '[url=' . $orig_post['plink'] . ']' . $post_type . '[/url]';
 696         $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
 697
 698         $likedata['body'] = sprintf( t('%1$s likes %2$s\'s %3$s'), $author, $objauthor, $plink);
 699
 700         $likedata['object'] = '<object><type>' . ACTIVITY_OBJ_NOTE . '</type><local>1</local>' .
 701                 '<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>';
 702
 703
 704         $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `author-link` = '%s' AND `verb` = '%s' AND `uid` = %d LIMIT 1",
 705                                 dbesc($likedata['parent-uri']),
 706                                 dbesc($likedata['author-link']),
 707                                 dbesc(ACTIVITY_LIKE),
 708                                 intval($uid)
 709                 );
 710
 711         if (count($r))
 712                 return;
 713
 714         $item = item_store($likedata);
 715         logger('fbsync_createlike: liked item '.$item.'. User '.$self[0]["nick"], LOGGER_DEBUG);
 716 }
 717
 718 function fbsync_fetch_contact($uid, $contact, $create_user) {
 719
 720         if($contact->url == "")
 721                 return(0);
 722
 723         // Check if the unique contact is existing
 724         // To-Do: only update once a while
 725         $r = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
 726                 dbesc(normalise_link($contact->url)));
 727
 728         if (count($r) == 0)
 729                 q("INSERT INTO unique_contacts (url, name, nick, avatar) VALUES ('%s', '%s', '%s', '%s')",
 730                         dbesc(normalise_link($contact->url)),
 731                         dbesc($contact->name),
 732                         dbesc($contact->username),
 733                         dbesc($contact->pic_square));
 734         else
 735                 q("UPDATE unique_contacts SET name = '%s', nick = '%s', avatar = '%s' WHERE url = '%s'",
 736                         dbesc($contact->name),
 737                         dbesc($contact->username),
 738                         dbesc($contact->pic_square),
 739                         dbesc(normalise_link($contact->url)));
 740
 741         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 742                 intval($uid), dbesc("facebook::".$contact->id));
 743
 744         if(!count($r) AND !$create_user)
 745                 return(0);
 746
 747         if (count($r) AND ($r[0]["readonly"] OR $r[0]["blocked"])) {
 748                 logger("fbsync_fetch_contact: Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
 749                 return(-1);
 750         }
 751
 752         $avatarpicture = $contact->pic_square;
 753
 754         if(!count($r)) {
 755                 // create contact record
 756                 q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
 757                                         `name`, `nick`, `photo`, `network`, `rel`, `priority`,
 758                                         `writable`, `blocked`, `readonly`, `pending`)
 759                                         VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0)",
 760                         intval($uid),
 761                         dbesc(datetime_convert()),
 762                         dbesc($contact->url),
 763                         dbesc(normalise_link($contact->url)),
 764                         dbesc($contact->username."@facebook.com"),
 765                         dbesc("facebook::".$contact->id),
 766                         dbesc($contact->id),
 767                         dbesc("facebook::".$contact->id),
 768                         dbesc($contact->name),
 769                         dbesc($contact->username),
 770                         dbesc($avatarpicture),
 771                         dbesc(NETWORK_FACEBOOK),
 772                         intval(CONTACT_IS_FRIEND),
 773                         intval(1),
 774                         intval(1)
 775                 );
 776
 777                 $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d LIMIT 1",
 778                         dbesc("facebook::".$contact->id),
 779                         intval($uid)
 780                         );
 781
 782                 if(! count($r))
 783                         return(false);
 784
 785                 $contact_id  = $r[0]['id'];
 786
 787                 $g = q("SELECT def_gid FROM user WHERE uid = %d LIMIT 1",
 788                         intval($uid)
 789                 );
 790
 791                 if($g && intval($g[0]['def_gid'])) {
 792                         require_once('include/group.php');
 793                         group_add_member($uid,'',$contact_id,$g[0]['def_gid']);
 794                 }
 795
 796                 require_once("Photo.php");
 797
 798                 $photos = import_profile_photo($avatarpicture,$uid,$contact_id);
 799
 800                 q("UPDATE `contact` SET `photo` = '%s',
 801                                         `thumb` = '%s',
 802                                         `micro` = '%s',
 803                                         `name-date` = '%s',
 804                                         `uri-date` = '%s',
 805                                         `avatar-date` = '%s'
 806                                 WHERE `id` = %d",
 807                         dbesc($photos[0]),
 808                         dbesc($photos[1]),
 809                         dbesc($photos[2]),
 810                         dbesc(datetime_convert()),
 811                         dbesc(datetime_convert()),
 812                         dbesc(datetime_convert()),
 813                         intval($contact_id)
 814                 );
 815         } else {
 816                 // update profile photos once every 12 hours as we have no notification of when they change.
 817                 $update_photo = ($r[0]['avatar-date'] < datetime_convert('','','now -12 hours'));
 818
 819                 // check that we have all the photos, this has been known to fail on occasion
 820                 if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro']) || ($update_photo)) {
 821
 822                         logger("fbsync_fetch_contact: Updating contact ".$contact->username, LOGGER_DEBUG);
 823
 824                         require_once("Photo.php");
 825
 826                         $photos = import_profile_photo($avatarpicture, $uid, $r[0]['id']);
 827
 828                         q("UPDATE `contact` SET `photo` = '%s',
 829                                                 `thumb` = '%s',
 830                                                 `micro` = '%s',
 831                                                 `name-date` = '%s',
 832                                                 `uri-date` = '%s',
 833                                                 `avatar-date` = '%s',
 834                                                 `url` = '%s',
 835                                                 `nurl` = '%s',
 836                                                 `addr` = '%s',
 837                                                 `name` = '%s',
 838                                                 `nick` = '%s',
 839                                                 `notify` = '%s'
 840                                         WHERE `id` = %d",
 841                                 dbesc($photos[0]),
 842                                 dbesc($photos[1]),
 843                                 dbesc($photos[2]),
 844                                 dbesc(datetime_convert()),
 845                                 dbesc(datetime_convert()),
 846                                 dbesc(datetime_convert()),
 847                                 dbesc($contact->url),
 848                                 dbesc(normalise_link($contact->url)),
 849                                 dbesc($contact->username."@facebook.com"),
 850                                 dbesc($contact->name),
 851                                 dbesc($contact->username),
 852                                 dbesc($contact->id),
 853                                 intval($r[0]['id'])
 854                         );
 855                 }
 856         }
 857         return($r[0]["id"]);
 858 }
 859
 860 function fbsync_get_self($uid) {
 861         $access_token = get_pconfig($uid,'facebook','access_token');
 862         if(! $access_token)
 863                 return;
 864         $s = fetch_url('https://graph.facebook.com/me/?access_token=' . $access_token);
 865         if($s) {
 866                 $j = json_decode($s);
 867                 set_pconfig($uid,'fbsync','self_id',(string) $j->id);
 868         }
 869 }
 870
 871 function fbsync_convertmsg($a, $body) {
 872         $str_tags = '';
 873
 874         $tags = get_tags($body);
 875
 876         if(count($tags)) {
 877                 foreach($tags as $tag) {
 878                         if (strstr(trim($tag), " "))
 879                                 continue;
 880
 881                         if(strpos($tag,'#') === 0) {
 882                                 if(strpos($tag,'[url='))
 883                                         continue;
 884
 885                                 // don't link tags that are already embedded in links
 886
 887                                 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
 888                                         continue;
 889                                 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
 890                                         continue;
 891
 892                                 $basetag = str_replace('_',' ',substr($tag,1));
 893                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 894                                 if(strlen($str_tags))
 895                                         $str_tags .= ',';
 896                                 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
 897                                 continue;
 898                         } elseif(strpos($tag,'@') === 0) {
 899                                 $basetag = substr($tag,1);
 900                                 $body = str_replace($tag,'@[url=https://twitter.com/' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 901                         }
 902
 903                 }
 904         }
 905
 906         $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
 907         if($cnt) {
 908                 foreach($matches as $mtch) {
 909                         if(strlen($str_tags))
 910                                 $str_tags .= ',';
 911                         $str_tags .= '@[url=' . $mtch[1] . '[/url]';
 912                 }
 913         }
 914
 915         return(array("body"=>$body, "tags"=>$str_tags));
 916
 917 }
 918
 919 function fbsync_fetchuser($a, $uid, $id) {
 920         $access_token = get_pconfig($uid,'facebook','access_token');
 921         $self_id = get_pconfig($uid,'fbsync','self_id');
 922
 923         $user = array();
 924
 925         $contact = q("SELECT `id`, `name`, `url`, `photo`  FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 926                 intval($uid), dbesc("facebook::".$id));
 927
 928         if (count($contact)) {
 929                 if (($contact[0]["readonly"] OR $contact[0]["blocked"])) {
 930                         logger("fbsync_fetchuser: Contact '".$contact[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
 931                         $user["contact-id"] = -1;
 932                 } else
 933                         $user["contact-id"] = $contact[0]["id"];
 934
 935                 $user["name"] = $contact[0]["name"];
 936                 $user["link"] = $contact[0]["url"];
 937                 $user["avatar"] = $contact[0]["photo"];
 938
 939                 return($user);
 940         }
 941
 942         $own_contact = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
 943                 intval($uid), dbesc("facebook::".$self_id));
 944
 945         if (!count($own_contact))
 946                 return($user);
 947
 948         $fql = "SELECT name, url, pic_square FROM profile WHERE id = ".$id;
 949
 950         $url = "https://graph.facebook.com/fql?q=".urlencode($fql)."&access_token=".$access_token;
 951
 952         $feed = fetch_url($url);
 953         $data = json_decode($feed);
 954
 955         if (is_array($data->data)) {
 956                 $user["contact-id"] = $own_contact[0]["id"];
 957                 $user["name"] = $data->data[0]->name;
 958                 $user["link"] = $data->data[0]->url;
 959                 $user["avatar"] = $data->data[0]->pic_square;
 960         }
 961         return($user);
 962 }
 963
 964 function fbsync_fetchfeed($a, $uid) {
 965         $access_token = get_pconfig($uid,'facebook','access_token');
 966         $last_updated = get_pconfig($uid,'fbsync','last_updated');
 967         $self_id = get_pconfig($uid,'fbsync','self_id');
 968
 969         $create_user = get_pconfig($uid, 'fbsync', 'create_user');
 970         $do_likes = get_config('fbsync', 'do_likes');
 971
 972         $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 973                 intval($uid)
 974         );
 975
 976         $user = q("SELECT * FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
 977                 intval($uid)
 978         );
 979         if(! count($user))
 980                 return;
 981
 982         require_once('include/items.php');
 983
 984         //if ($last_updated == "")
 985                 $last_updated = 0;
 986
 987         logger("fbsync_fetchfeed: fetching content for user ".$self_id);
 988
 989         $fql = array(
 990                 "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 > $last_updated ORDER BY updated_time DESC LIMIT 500",
 991                 "comments" => "SELECT app_id, attachment, post_id, id, likes, fromid, time, text, text_tags, user_likes, likes FROM comment WHERE post_id IN (SELECT post_id FROM #posts) ORDER BY time DESC LIMIT 500",
 992                 "profiles" => "SELECT id, name, username, url, pic_square FROM profile WHERE id IN (SELECT actor_id FROM #posts) OR id IN (SELECT fromid FROM #comments) OR id IN (SELECT source_id FROM #posts) LIMIT 500",
 993                 "applications" => "SELECT app_id, display_name FROM application WHERE app_id IN (SELECT app_id FROM #posts) OR app_id IN (SELECT app_id FROM #comments) LIMIT 500",
 994                 "avatars" => "SELECT id, real_size, size, url FROM square_profile_pic WHERE id IN (SELECT id FROM #profiles) AND size = 256 LIMIT 500");
 995
 996         if ($do_likes) {
 997                 $fql["likes"] = "SELECT post_id, user_id FROM like WHERE post_id IN (SELECT post_id FROM #posts)";
 998                 $fql["profiles"] .= " OR id IN (SELECT user_id FROM #likes)";
 999         }
1000
1001         $url = "https://graph.facebook.com/fql?q=".urlencode(json_encode($fql))."&access_token=".$access_token;
1002
1003         $feed = fetch_url($url);
1004         $data = json_decode($feed);
1005
1006         if (!is_array($data->data)) {
1007                 logger("fbsync_fetchfeed: Error fetching data for user ".$uid.": ".print_r($data, true));
1008                 return;
1009         }
1010
1011         $posts = array();
1012         $comments = array();
1013         $likes = array();
1014         $profiles = array();
1015         $applications = array();
1016         $avatars = array();
1017
1018         foreach($data->data AS $query) {
1019                 switch ($query->name) {
1020                         case "posts":
1021                                 $posts = array_reverse($query->fql_result_set);
1022                                 break;
1023                         case "comments":
1024                                 $comments = $query->fql_result_set;
1025                                 break;
1026                         case "likes":
1027                                 $likes = $query->fql_result_set;
1028                                 break;
1029                         case "profiles":
1030                                 $profiles = $query->fql_result_set;
1031                                 break;
1032                         case "applications":
1033                                 $applications = $query->fql_result_set;
1034                                 break;
1035                         case "avatars":
1036                                 $avatars = $query->fql_result_set;
1037                                 break;
1038                 }
1039         }
1040
1041         $square_avatars = array();
1042         $contacts = array();
1043         $application_data = array();
1044         $post_data = array();
1045         $comment_data = array();
1046
1047         foreach ($avatars AS $avatar) {
1048                 $avatar->id = number_format($avatar->id, 0, '', '');
1049                 $square_avatars[$avatar->id] = $avatar;
1050         }
1051         unset($avatars);
1052
1053         foreach ($profiles AS $profile) {
1054                 $profile->id = number_format($profile->id, 0, '', '');
1055
1056                 if ($square_avatars[$profile->id]->url != "")
1057                         $profile->pic_square = $square_avatars[$profile->id]->url;
1058
1059                 $contacts[$profile->id] = $profile;
1060         }
1061         unset($profiles);
1062         unset($square_avatars);
1063
1064         foreach ($applications AS $application) {
1065                 $application->app_id = number_format($application->app_id, 0, '', '');
1066                 $application_data[$application->app_id] = $application;
1067         }
1068         unset($applications);
1069
1070         foreach ($posts AS $post) {
1071                 $post->actor_id = number_format($post->actor_id, 0, '', '');
1072                 $post->source_id = number_format($post->source_id, 0, '', '');
1073                 $post->app_id = number_format($post->app_id, 0, '', '');
1074                 $post_data[$post->post_id] = $post;
1075         }
1076         unset($posts);
1077
1078         foreach($comments AS $comment) {
1079                 $comment->fromid = number_format($comment->fromid, 0, '', '');
1080                 $comment_data[$comment->id] = $comment;
1081         }
1082         unset($comments);
1083
1084         foreach ($post_data AS $post) {
1085                 if ($post->updated_time > $last_updated)
1086                         $last_updated = $post->updated_time;
1087                 fbsync_createpost($a, $uid, $self, $contacts, $application_data, $post, $create_user);
1088         }
1089
1090         foreach ($comment_data AS $comment) {
1091                 fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $application_data, $comment);
1092         }
1093
1094         foreach($likes AS $like) {
1095                 $like->user_id = number_format($like->user_id, 0, '', '');
1096
1097                 fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like);
1098         }
1099
1100         set_pconfig($uid,'fbsync','last_updated', $last_updated);
1101 }
1102 ?>