include/ostatus.php

   1 <?php
   2 require_once("include/Contact.php");
   3 require_once("include/threads.php");
   4 require_once("include/html2bbcode.php");
   5 require_once("include/bbcode.php");
   6 require_once("include/items.php");
   7 require_once("mod/share.php");
   8 require_once("include/enotify.php");
   9 require_once("include/socgraph.php");
  10 require_once("include/Photo.php");
  11 require_once("include/Scrape.php");
  12 require_once("include/follow.php");
  13 require_once("include/api.php");
  14 require_once("mod/proxy.php");
  15
  16 define('OSTATUS_DEFAULT_POLL_INTERVAL', 30); // given in minutes
  17 define('OSTATUS_DEFAULT_POLL_TIMEFRAME', 1440); // given in minutes
  18 define('OSTATUS_DEFAULT_POLL_TIMEFRAME_MENTIONS', 14400); // given in minutes
  19
  20 define("NS_ATOM", "http://www.w3.org/2005/Atom");
  21 define("NS_THR", "http://purl.org/syndication/thread/1.0");
  22 define("NS_GEORSS", "http://www.georss.org/georss");
  23 define("NS_ACTIVITY", "http://activitystrea.ms/spec/1.0/");
  24 define("NS_MEDIA", "http://purl.org/syndication/atommedia");
  25 define("NS_POCO", "http://portablecontacts.net/spec/1.0");
  26 define("NS_OSTATUS", "http://ostatus.org/schema/1.0");
  27 define("NS_STATUSNET", "http://status.net/schema/api/1/");
  28
  29 function ostatus_check_follow_friends() {
  30         $r = q("SELECT `uid`,`v` FROM `pconfig` WHERE `cat`='system' AND `k`='ostatus_legacy_contact' AND `v` != ''");
  31
  32         if (!$r)
  33                 return;
  34
  35         foreach ($r AS $contact) {
  36                 ostatus_follow_friends($contact["uid"], $contact["v"]);
  37                 set_pconfig($contact["uid"], "system", "ostatus_legacy_contact", "");
  38         }
  39 }
  40
  41 // This function doesn't work reliable by now.
  42 function ostatus_follow_friends($uid, $url) {
  43         $contact = probe_url($url);
  44
  45         if (!$contact)
  46                 return;
  47
  48         $api = $contact["baseurl"]."/api/";
  49
  50         // Fetching friends
  51         $data = z_fetch_url($api."statuses/friends.json?screen_name=".$contact["nick"]);
  52
  53         if (!$data["success"])
  54                 return;
  55
  56         $friends = json_decode($data["body"]);
  57
  58         foreach ($friends AS $friend) {
  59                 $url = $friend->statusnet_profile_url;
  60                 $r = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND
  61                         (`nurl` = '%s' OR `alias` = '%s' OR `alias` = '%s') AND
  62                         `network` != '%s' LIMIT 1",
  63                         intval($uid), dbesc(normalise_link($url)),
  64                         dbesc(normalise_link($url)), dbesc($url), dbesc(NETWORK_STATUSNET));
  65                 if (!$r) {
  66                         $data = probe_url($friend->statusnet_profile_url);
  67                         if ($data["network"] == NETWORK_OSTATUS) {
  68                                 $result = new_contact($uid,$friend->statusnet_profile_url);
  69                                 if ($result["success"])
  70                                         logger($friend->name." ".$url." - success", LOGGER_DEBUG);
  71                                 else
  72                                         logger($friend->name." ".$url." - failed", LOGGER_DEBUG);
  73                         } else
  74                                 logger($friend->name." ".$url." - not OStatus", LOGGER_DEBUG);
  75                 }
  76         }
  77 }
  78
  79 function ostatus_fetchauthor($xpath, $context, $importer, &$contact, $onlyfetch) {
  80
  81         $author = array();
  82         $author["author-link"] = $xpath->evaluate('atom:author/atom:uri/text()', $context)->item(0)->nodeValue;
  83         $author["author-name"] = $xpath->evaluate('atom:author/atom:name/text()', $context)->item(0)->nodeValue;
  84
  85         // Preserve the value
  86         $authorlink = $author["author-link"];
  87
  88         $alternate = $xpath->query("atom:author/atom:link[@rel='alternate']", $context)->item(0)->attributes;
  89         if (is_object($alternate))
  90                 foreach($alternate AS $attributes)
  91                         if ($attributes->name == "href")
  92                                 $author["author-link"] = $attributes->textContent;
  93
  94         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` IN ('%s', '%s') AND `network` != '%s'",
  95                 intval($importer["uid"]), dbesc(normalise_link($author["author-link"])),
  96                 dbesc(normalise_link($authorlink)), dbesc(NETWORK_STATUSNET));
  97         if ($r) {
  98                 $contact = $r[0];
  99                 $author["contact-id"] = $r[0]["id"];
 100         } else
 101                 $author["contact-id"] = $contact["id"];
 102
 103         $avatarlist = array();
 104         $avatars = $xpath->query("atom:author/atom:link[@rel='avatar']", $context);
 105         foreach($avatars AS $avatar) {
 106                 $href = "";
 107                 $width = 0;
 108                 foreach($avatar->attributes AS $attributes) {
 109                         if ($attributes->name == "href")
 110                                 $href = $attributes->textContent;
 111                         if ($attributes->name == "width")
 112                                 $width = $attributes->textContent;
 113                 }
 114                 if (($width > 0) AND ($href != ""))
 115                         $avatarlist[$width] = $href;
 116         }
 117         if (count($avatarlist) > 0) {
 118                 krsort($avatarlist);
 119                 $author["author-avatar"] = current($avatarlist);
 120         }
 121
 122         $displayname = $xpath->evaluate('atom:author/poco:displayName/text()', $context)->item(0)->nodeValue;
 123         if ($displayname != "")
 124                 $author["author-name"] = $displayname;
 125
 126         $author["owner-name"] = $author["author-name"];
 127         $author["owner-link"] = $author["author-link"];
 128         $author["owner-avatar"] = $author["author-avatar"];
 129
 130         if ($r AND !$onlyfetch) {
 131                 // Update contact data
 132
 133                 $value = $xpath->query("atom:link[@rel='salmon']", $context)->item(0)->nodeValue;
 134                 if ($value != "")
 135                         $contact["notify"] = $value;
 136
 137                 $value = $xpath->evaluate('atom:author/uri/text()', $context)->item(0)->nodeValue;
 138                 if ($value != "")
 139                         $contact["alias"] = $value;
 140
 141                 $value = $xpath->evaluate('atom:author/poco:displayName/text()', $context)->item(0)->nodeValue;
 142                 if ($value != "")
 143                         $contact["name"] = $value;
 144
 145                 $value = $xpath->evaluate('atom:author/poco:preferredUsername/text()', $context)->item(0)->nodeValue;
 146                 if ($value != "")
 147                         $contact["nick"] = $value;
 148
 149                 $value = $xpath->evaluate('atom:author/poco:note/text()', $context)->item(0)->nodeValue;
 150                 if ($value != "")
 151                         $contact["about"] = html2bbcode($value);
 152
 153                 $value = $xpath->evaluate('atom:author/poco:address/poco:formatted/text()', $context)->item(0)->nodeValue;
 154                 if ($value != "")
 155                         $contact["location"] = $value;
 156
 157                 if (($contact["name"] != $r[0]["name"]) OR ($contact["nick"] != $r[0]["nick"]) OR ($contact["about"] != $r[0]["about"]) OR ($contact["location"] != $r[0]["location"])) {
 158
 159                         logger("Update contact data for contact ".$contact["id"], LOGGER_DEBUG);
 160
 161                         q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s', `name-date` = '%s' WHERE `id` = %d AND `network` = '%s'",
 162                                 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
 163                                 dbesc(datetime_convert()), intval($contact["id"]), dbesc(NETWORK_OSTATUS));
 164
 165                         poco_check($contact["url"], $contact["name"], $contact["network"], $author["author-avatar"], $contact["about"], $contact["location"],
 166                                                 "", "", "", datetime_convert(), 2, $contact["id"], $contact["uid"]);
 167                 }
 168
 169                 if (isset($author["author-avatar"]) AND ($author["author-avatar"] != $r[0]['avatar'])) {
 170                         logger("Update profile picture for contact ".$contact["id"], LOGGER_DEBUG);
 171
 172                         $photos = import_profile_photo($author["author-avatar"], $importer["uid"], $contact["id"]);
 173
 174                         q("UPDATE `contact` SET `avatar` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' WHERE `id` = %d AND `network` = '%s'",
 175                                 dbesc($author["author-avatar"]), dbesc($photos[0]), dbesc($photos[1]), dbesc($photos[2]),
 176                                 dbesc(datetime_convert()), intval($contact["id"]), dbesc(NETWORK_OSTATUS));
 177                 }
 178
 179                 // Only update the global contact if it is an OStatus contact
 180                 if ($contact["network"] == NETWORK_OSTATUS) {
 181                         /// @todo Add the "addr" field
 182                         $contact["generation"] = 2;
 183                         $contact["avatar"] = $author["author-avatar"];
 184                         update_gcontact($contact);
 185                 }
 186         }
 187
 188         return($author);
 189 }
 190
 191 function ostatus_salmon_author($xml, $importer) {
 192         $a = get_app();
 193
 194         if ($xml == "")
 195                 return;
 196
 197         $doc = new DOMDocument();
 198         @$doc->loadXML($xml);
 199
 200         $xpath = new DomXPath($doc);
 201         $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
 202         $xpath->registerNamespace('thr', "http://purl.org/syndication/thread/1.0");
 203         $xpath->registerNamespace('georss', "http://www.georss.org/georss");
 204         $xpath->registerNamespace('activity', "http://activitystrea.ms/spec/1.0/");
 205         $xpath->registerNamespace('media', "http://purl.org/syndication/atommedia");
 206         $xpath->registerNamespace('poco', "http://portablecontacts.net/spec/1.0");
 207         $xpath->registerNamespace('ostatus', "http://ostatus.org/schema/1.0");
 208         $xpath->registerNamespace('statusnet', "http://status.net/schema/api/1/");
 209
 210         $entries = $xpath->query('/atom:entry');
 211
 212         foreach ($entries AS $entry) {
 213                 // fetch the author
 214                 $author = ostatus_fetchauthor($xpath, $entry, $importer, $contact, true);
 215                 return $author;
 216         }
 217 }
 218
 219 function ostatus_import($xml,$importer,&$contact, &$hub) {
 220
 221         $a = get_app();
 222
 223         logger("Import OStatus message", LOGGER_DEBUG);
 224
 225         if ($xml == "")
 226                 return;
 227
 228         $doc = new DOMDocument();
 229         @$doc->loadXML($xml);
 230
 231         $xpath = new DomXPath($doc);
 232         $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
 233         $xpath->registerNamespace('thr', "http://purl.org/syndication/thread/1.0");
 234         $xpath->registerNamespace('georss', "http://www.georss.org/georss");
 235         $xpath->registerNamespace('activity', "http://activitystrea.ms/spec/1.0/");
 236         $xpath->registerNamespace('media', "http://purl.org/syndication/atommedia");
 237         $xpath->registerNamespace('poco', "http://portablecontacts.net/spec/1.0");
 238         $xpath->registerNamespace('ostatus', "http://ostatus.org/schema/1.0");
 239         $xpath->registerNamespace('statusnet', "http://status.net/schema/api/1/");
 240
 241         $gub = "";
 242         $hub_attributes = $xpath->query("/atom:feed/atom:link[@rel='hub']")->item(0)->attributes;
 243         if (is_object($hub_attributes))
 244                 foreach($hub_attributes AS $hub_attribute)
 245                         if ($hub_attribute->name == "href") {
 246                                 $hub = $hub_attribute->textContent;
 247                                 logger("Found hub ".$hub, LOGGER_DEBUG);
 248                         }
 249
 250         $header = array();
 251         $header["uid"] = $importer["uid"];
 252         $header["network"] = NETWORK_OSTATUS;
 253         $header["type"] = "remote";
 254         $header["wall"] = 0;
 255         $header["origin"] = 0;
 256         $header["gravity"] = GRAVITY_PARENT;
 257
 258         // it could either be a received post or a post we fetched by ourselves
 259         // depending on that, the first node is different
 260         $first_child = $doc->firstChild->tagName;
 261
 262         if ($first_child == "feed")
 263                 $entries = $xpath->query('/atom:feed/atom:entry');
 264         else
 265                 $entries = $xpath->query('/atom:entry');
 266
 267         $conversation = "";
 268         $conversationlist = array();
 269         $item_id = 0;
 270
 271         // Reverse the order of the entries
 272         $entrylist = array();
 273
 274         foreach ($entries AS $entry)
 275                 $entrylist[] = $entry;
 276
 277         foreach (array_reverse($entrylist) AS $entry) {
 278
 279                 $mention = false;
 280
 281                 // fetch the author
 282                 if ($first_child == "feed")
 283                         $author = ostatus_fetchauthor($xpath, $doc->firstChild, $importer, $contact, false);
 284                 else
 285                         $author = ostatus_fetchauthor($xpath, $entry, $importer, $contact, false);
 286
 287                 $value = $xpath->evaluate('atom:author/poco:preferredUsername/text()', $context)->item(0)->nodeValue;
 288                 if ($value != "")
 289                         $nickname = $value;
 290                 else
 291                         $nickname = $author["author-name"];
 292
 293                 $item = array_merge($header, $author);
 294
 295                 // Now get the item
 296                 $item["uri"] = $xpath->query('atom:id/text()', $entry)->item(0)->nodeValue;
 297
 298                 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 299                         intval($importer["uid"]), dbesc($item["uri"]));
 300                 if ($r) {
 301                         logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already existed under id ".$r[0]["id"], LOGGER_DEBUG);
 302                         continue;
 303                 }
 304
 305                 $item["body"] = add_page_info_to_body(html2bbcode($xpath->query('atom:content/text()', $entry)->item(0)->nodeValue));
 306                 $item["object-type"] = $xpath->query('activity:object-type/text()', $entry)->item(0)->nodeValue;
 307
 308                 if (($item["object-type"] == ACTIVITY_OBJ_BOOKMARK) OR ($item["object-type"] == ACTIVITY_OBJ_EVENT)) {
 309                         $item["title"] = $xpath->query('atom:title/text()', $entry)->item(0)->nodeValue;
 310                         $item["body"] = $xpath->query('atom:summary/text()', $entry)->item(0)->nodeValue;
 311                 } elseif ($item["object-type"] == ACTIVITY_OBJ_QUESTION)
 312                         $item["title"] = $xpath->query('atom:title/text()', $entry)->item(0)->nodeValue;
 313
 314                 $item["object"] = $xml;
 315                 $item["verb"] = $xpath->query('activity:verb/text()', $entry)->item(0)->nodeValue;
 316
 317                 /// @TODO
 318                 /// Delete a message
 319                 if ($item["verb"] == "qvitter-delete-notice") {
 320                         // ignore "Delete" messages (by now)
 321                         logger("Ignore delete message ".print_r($item, true));
 322                         continue;
 323                 }
 324
 325                 if ($item["verb"] == ACTIVITY_JOIN) {
 326                         // ignore "Join" messages
 327                         logger("Ignore join message ".print_r($item, true));
 328                         continue;
 329                 }
 330
 331                 if ($item["verb"] == ACTIVITY_FOLLOW) {
 332                         new_follower($importer, $contact, $item, $nickname);
 333                         continue;
 334                 }
 335
 336                 if ($item["verb"] == NAMESPACE_OSTATUS."/unfollow") {
 337                         lose_follower($importer, $contact, $item, $dummy);
 338                         continue;
 339                 }
 340
 341                 if ($item["verb"] == ACTIVITY_FAVORITE) {
 342                         $orig_uri = $xpath->query("activity:object/atom:id", $entry)->item(0)->nodeValue;
 343                         logger("Favorite ".$orig_uri." ".print_r($item, true));
 344
 345                         $item["verb"] = ACTIVITY_LIKE;
 346                         $item["parent-uri"] = $orig_uri;
 347                         $item["gravity"] = GRAVITY_LIKE;
 348                 }
 349
 350                 if ($item["verb"] == NAMESPACE_OSTATUS."/unfavorite") {
 351                         // Ignore "Unfavorite" message
 352                         logger("Ignore unfavorite message ".print_r($item, true));
 353                         continue;
 354                 }
 355
 356                 // http://activitystrea.ms/schema/1.0/rsvp-yes
 357                 if (!in_array($item["verb"], array(ACTIVITY_POST, ACTIVITY_LIKE, ACTIVITY_SHARE)))
 358                         logger("Unhandled verb ".$item["verb"]." ".print_r($item, true));
 359
 360                 $item["created"] = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
 361                 $item["edited"] = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
 362                 $conversation = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
 363
 364                 $related = "";
 365
 366                 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
 367                 if (is_object($inreplyto->item(0))) {
 368                         foreach($inreplyto->item(0)->attributes AS $attributes) {
 369                                 if ($attributes->name == "ref")
 370                                         $item["parent-uri"] = $attributes->textContent;
 371                                 if ($attributes->name == "href")
 372                                         $related = $attributes->textContent;
 373                         }
 374                 }
 375
 376                 $georsspoint = $xpath->query('georss:point', $entry);
 377                 if ($georsspoint)
 378                         $item["coord"] = $georsspoint->item(0)->nodeValue;
 379
 380                 /// @TODO
 381                 /// $item["location"] =
 382
 383                 $categories = $xpath->query('atom:category', $entry);
 384                 if ($categories) {
 385                         foreach ($categories AS $category) {
 386                                 foreach($category->attributes AS $attributes)
 387                                         if ($attributes->name == "term") {
 388                                                 $term = $attributes->textContent;
 389                                                 if(strlen($item["tag"]))
 390                                                         $item["tag"] .= ',';
 391                                                 $item["tag"] .= "#[url=".$a->get_baseurl()."/search?tag=".$term."]".$term."[/url]";
 392                                         }
 393                         }
 394                 }
 395
 396                 $self = "";
 397                 $enclosure = "";
 398
 399                 $links = $xpath->query('atom:link', $entry);
 400                 if ($links) {
 401                         $rel = "";
 402                         $href = "";
 403                         $type = "";
 404                         $length = "0";
 405                         $title = "";
 406                         foreach ($links AS $link) {
 407                                 foreach($link->attributes AS $attributes) {
 408                                         if ($attributes->name == "href")
 409                                                 $href = $attributes->textContent;
 410                                         if ($attributes->name == "rel")
 411                                                 $rel = $attributes->textContent;
 412                                         if ($attributes->name == "type")
 413                                                 $type = $attributes->textContent;
 414                                         if ($attributes->name == "length")
 415                                                 $length = $attributes->textContent;
 416                                         if ($attributes->name == "title")
 417                                                 $title = $attributes->textContent;
 418                                 }
 419                                 if (($rel != "") AND ($href != ""))
 420                                         switch($rel) {
 421                                                 case "alternate":
 422                                                         $item["plink"] = $href;
 423                                                         if (($item["object-type"] == ACTIVITY_OBJ_QUESTION) OR
 424                                                                 ($item["object-type"] == ACTIVITY_OBJ_EVENT))
 425                                                                 $item["body"] .= add_page_info($href);
 426                                                         break;
 427                                                 case "ostatus:conversation":
 428                                                         $conversation = $href;
 429                                                         break;
 430                                                 case "enclosure":
 431                                                         $enclosure = $href;
 432                                                         if(strlen($item["attach"]))
 433                                                                 $item["attach"] .= ',';
 434
 435                                                         $item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'" title="'.$title.'"[/attach]';
 436                                                         break;
 437                                                 case "related":
 438                                                         if ($item["object-type"] != ACTIVITY_OBJ_BOOKMARK) {
 439                                                                 if (!isset($item["parent-uri"]))
 440                                                                         $item["parent-uri"] = $href;
 441
 442                                                                 if ($related == "")
 443                                                                         $related = $href;
 444                                                         } else
 445                                                                 $item["body"] .= add_page_info($href);
 446                                                         break;
 447                                                 case "self":
 448                                                         $self = $href;
 449                                                         break;
 450                                                 case "mentioned":
 451                                                         // Notification check
 452                                                         if ($importer["nurl"] == normalise_link($href))
 453                                                                 $mention = true;
 454                                                         break;
 455                                         }
 456                         }
 457                 }
 458
 459                 $local_id = "";
 460                 $repeat_of = "";
 461
 462                 $notice_info = $xpath->query('statusnet:notice_info', $entry);
 463                 if ($notice_info AND ($notice_info->length > 0)) {
 464                         foreach($notice_info->item(0)->attributes AS $attributes) {
 465                                 if ($attributes->name == "source")
 466                                         $item["app"] = strip_tags($attributes->textContent);
 467                                 if ($attributes->name == "local_id")
 468                                         $local_id = $attributes->textContent;
 469                                 if ($attributes->name == "repeat_of")
 470                                         $repeat_of = $attributes->textContent;
 471                         }
 472                 }
 473
 474                 // Is it a repeated post?
 475                 if ($repeat_of != "") {
 476                         $activityobjects = $xpath->query('activity:object', $entry)->item(0);
 477
 478                         if (is_object($activityobjects)) {
 479
 480                                 $orig_uri = $xpath->query("activity:object/atom:id", $activityobjects)->item(0)->nodeValue;
 481                                 if (!isset($orig_uri))
 482                                         $orig_uri = $xpath->query('atom:id/text()', $activityobjects)->item(0)->nodeValue;
 483
 484                                 $orig_links = $xpath->query("activity:object/atom:link[@rel='alternate']", $activityobjects);
 485                                 if ($orig_links AND ($orig_links->length > 0))
 486                                         foreach($orig_links->item(0)->attributes AS $attributes)
 487                                                 if ($attributes->name == "href")
 488                                                         $orig_link = $attributes->textContent;
 489
 490                                 if (!isset($orig_link))
 491                                         $orig_link = $xpath->query("atom:link[@rel='alternate']", $activityobjects)->item(0)->nodeValue;
 492
 493                                 if (!isset($orig_link))
 494                                         $orig_link =  ostatus_convert_href($orig_uri);
 495
 496                                 $orig_body = $xpath->query('activity:object/atom:content/text()', $activityobjects)->item(0)->nodeValue;
 497                                 if (!isset($orig_body))
 498                                         $orig_body = $xpath->query('atom:content/text()', $activityobjects)->item(0)->nodeValue;
 499
 500                                 $orig_created = $xpath->query('atom:published/text()', $activityobjects)->item(0)->nodeValue;
 501
 502                                 $orig_contact = $contact;
 503                                 $orig_author = ostatus_fetchauthor($xpath, $activityobjects, $importer, $orig_contact, false);
 504
 505                                 //if (!intval(get_config('system','wall-to-wall_share'))) {
 506                                 //      $prefix = share_header($orig_author['author-name'], $orig_author['author-link'], $orig_author['author-avatar'], "", $orig_created, $orig_link);
 507                                 //      $item["body"] = $prefix.add_page_info_to_body(html2bbcode($orig_body))."[/share]";
 508                                 //} else {
 509                                         $item["author-name"] = $orig_author["author-name"];
 510                                         $item["author-link"] = $orig_author["author-link"];
 511                                         $item["author-avatar"] = $orig_author["author-avatar"];
 512                                         $item["body"] = add_page_info_to_body(html2bbcode($orig_body));
 513                                         $item["created"] = $orig_created;
 514
 515                                         $item["uri"] = $orig_uri;
 516                                         $item["plink"] = $orig_link;
 517                                 //}
 518
 519                                 $item["verb"] = $xpath->query('activity:verb/text()', $activityobjects)->item(0)->nodeValue;
 520
 521                                 $item["object-type"] = $xpath->query('activity:object/activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
 522                                 if (!isset($item["object-type"]))
 523                                         $item["object-type"] = $xpath->query('activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
 524                         }
 525                 }
 526
 527                 //if ($enclosure != "")
 528                 //      $item["body"] .= add_page_info($enclosure);
 529
 530                 if (isset($item["parent-uri"])) {
 531                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 532                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
 533
 534                         if (!$r AND ($related != "")) {
 535                                 $reply_path = str_replace("/notice/", "/api/statuses/show/", $related).".atom";
 536
 537                                 if ($reply_path != $related) {
 538                                         logger("Fetching related items for user ".$importer["uid"]." from ".$reply_path, LOGGER_DEBUG);
 539                                         $reply_xml = fetch_url($reply_path);
 540
 541                                         $reply_contact = $contact;
 542                                         ostatus_import($reply_xml,$importer,$reply_contact, $reply_hub);
 543
 544                                         // After the import try to fetch the parent item again
 545                                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 546                                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
 547                                 }
 548                         }
 549                         if ($r) {
 550                                 $item["type"] = 'remote-comment';
 551                                 $item["gravity"] = GRAVITY_COMMENT;
 552                         }
 553                 } else
 554                         $item["parent-uri"] = $item["uri"];
 555
 556                 $item_id = ostatus_completion($conversation, $importer["uid"], $item);
 557
 558                 if (!$item_id) {
 559                         logger("Error storing item", LOGGER_DEBUG);
 560                         continue;
 561                 }
 562
 563                 logger("Item was stored with id ".$item_id, LOGGER_DEBUG);
 564                 $item["id"] = $item_id;
 565
 566                 if ($mention AND in_array($item["verb"], array(ACTIVITY_POST, ACTIVITY_SHARE))) {
 567                         $u = q("SELECT `notify-flags`, `language`, `username`, `email` FROM user WHERE uid = %d LIMIT 1", intval($item['uid']));
 568                         $r = q("SELECT `parent` FROM `item` WHERE `id` = %d", intval($item_id));
 569
 570                         notification(array(
 571                                 'type'         => NOTIFY_TAGSELF,
 572                                 'notify_flags' => $u[0]["notify-flags"],
 573                                 'language'     => $u[0]["language"],
 574                                 'to_name'      => $u[0]["username"],
 575                                 'to_email'     => $u[0]["email"],
 576                                 'uid'          => $item["uid"],
 577                                 'item'         => $item,
 578                                 'link'         => $a->get_baseurl().'/display/'.urlencode(get_item_guid($item_id)),
 579                                 'source_name'  => $item["author-name"],
 580                                 'source_link'  => $item["author-link"],
 581                                 'source_photo' => $item["author-avatar"],
 582                                 'verb'         => ACTIVITY_TAG,
 583                                 'otype'        => 'item',
 584                                 'parent'       => $r[0]["parent"]
 585                         ));
 586                 }
 587         }
 588 }
 589
 590 function ostatus_convert_href($href) {
 591         $elements = explode(":",$href);
 592
 593         if ((count($elements) <= 2) OR ($elements[0] != "tag"))
 594                 return $href;
 595
 596         $server = explode(",", $elements[1]);
 597         $conversation = explode("=", $elements[2]);
 598
 599         if ((count($elements) == 4) AND ($elements[2] == "post"))
 600                 return "http://".$server[0]."/notice/".$elements[3];
 601
 602         if ((count($conversation) != 2) OR ($conversation[1] ==""))
 603                 return $href;
 604
 605         if ($elements[3] == "objectType=thread")
 606                 return "http://".$server[0]."/conversation/".$conversation[1];
 607         else
 608                 return "http://".$server[0]."/notice/".$conversation[1];
 609
 610         return $href;
 611 }
 612
 613 function check_conversations($mentions = false, $override = false) {
 614         $last = get_config('system','ostatus_last_poll');
 615
 616         $poll_interval = intval(get_config('system','ostatus_poll_interval'));
 617         if(! $poll_interval)
 618                 $poll_interval = OSTATUS_DEFAULT_POLL_INTERVAL;
 619
 620         // Don't poll if the interval is set negative
 621         if (($poll_interval < 0) AND !$override)
 622                 return;
 623
 624         if (!$mentions) {
 625                 $poll_timeframe = intval(get_config('system','ostatus_poll_timeframe'));
 626                 if (!$poll_timeframe)
 627                         $poll_timeframe = OSTATUS_DEFAULT_POLL_TIMEFRAME;
 628         } else {
 629                 $poll_timeframe = intval(get_config('system','ostatus_poll_timeframe'));
 630                 if (!$poll_timeframe)
 631                         $poll_timeframe = OSTATUS_DEFAULT_POLL_TIMEFRAME_MENTIONS;
 632         }
 633
 634
 635         if ($last AND !$override) {
 636                 $next = $last + ($poll_interval * 60);
 637                 if ($next > time()) {
 638                         logger('poll interval not reached');
 639                         return;
 640                 }
 641         }
 642
 643         logger('cron_start');
 644
 645         $start = date("Y-m-d H:i:s", time() - ($poll_timeframe * 60));
 646
 647         if ($mentions)
 648                 $conversations = q("SELECT `term`.`oid`, `term`.`url`, `term`.`uid` FROM `term`
 649                                         STRAIGHT_JOIN `thread` ON `thread`.`iid` = `term`.`oid` AND `thread`.`uid` = `term`.`uid`
 650                                         WHERE `term`.`type` = 7 AND `term`.`term` > '%s' AND `thread`.`mention`
 651                                         GROUP BY `term`.`url`, `term`.`uid` ORDER BY `term`.`term` DESC", dbesc($start));
 652         else
 653                 $conversations = q("SELECT `oid`, `url`, `uid` FROM `term`
 654                                         WHERE `type` = 7 AND `term` > '%s'
 655                                         GROUP BY `url`, `uid` ORDER BY `term` DESC", dbesc($start));
 656
 657         foreach ($conversations AS $conversation) {
 658                 ostatus_completion($conversation['url'], $conversation['uid']);
 659         }
 660
 661         logger('cron_end');
 662
 663         set_config('system','ostatus_last_poll', time());
 664 }
 665
 666 function ostatus_completion($conversation_url, $uid, $item = array()) {
 667
 668         $a = get_app();
 669
 670         $item_stored = -1;
 671
 672         $conversation_url = ostatus_convert_href($conversation_url);
 673
 674         // If the thread shouldn't be completed then store the item and go away
 675         if ((intval(get_config('system','ostatus_poll_interval')) == -2) AND (count($item) > 0)) {
 676                 //$arr["app"] .= " (OStatus-NoCompletion)";
 677                 $item_stored = item_store($item, true);
 678                 return($item_stored);
 679         }
 680
 681         // Get the parent
 682         $parents = q("SELECT `id`, `parent`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `id` IN
 683                         (SELECT `parent` FROM `item` WHERE `id` IN
 684                                 (SELECT `oid` FROM `term` WHERE `uid` = %d AND `otype` = %d AND `type` = %d AND `url` = '%s'))",
 685                         intval($uid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION), dbesc($conversation_url));
 686
 687         if ($parents)
 688                 $parent = $parents[0];
 689         elseif (count($item) > 0) {
 690                 $parent = $item;
 691                 $parent["type"] = "remote";
 692                 $parent["verb"] = ACTIVITY_POST;
 693                 $parent["visible"] = 1;
 694         } else {
 695                 // Preset the parent
 696                 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid`=%d", $uid);
 697                 if (!$r)
 698                         return(-2);
 699
 700                 $parent = array();
 701                 $parent["id"] = 0;
 702                 $parent["parent"] = 0;
 703                 $parent["uri"] = "";
 704                 $parent["contact-id"] = $r[0]["id"];
 705                 $parent["type"] = "remote";
 706                 $parent["verb"] = ACTIVITY_POST;
 707                 $parent["visible"] = 1;
 708         }
 709
 710         $conv = str_replace("/conversation/", "/api/statusnet/conversation/", $conversation_url).".as";
 711         $pageno = 1;
 712         $items = array();
 713
 714         logger('fetching conversation url '.$conv.' for user '.$uid);
 715
 716         do {
 717                 $conv_arr = z_fetch_url($conv."?page=".$pageno);
 718
 719                 // If it is a non-ssl site and there is an error, then try ssl or vice versa
 720                 if (!$conv_arr["success"] AND (substr($conv, 0, 7) == "http://")) {
 721                         $conv = str_replace("http://", "https://", $conv);
 722                         $conv_as = fetch_url($conv."?page=".$pageno);
 723                 } elseif (!$conv_arr["success"] AND (substr($conv, 0, 8) == "https://")) {
 724                         $conv = str_replace("https://", "http://", $conv);
 725                         $conv_as = fetch_url($conv."?page=".$pageno);
 726                 } else
 727                         $conv_as = $conv_arr["body"];
 728
 729                 $conv_as = str_replace(',"statusnet:notice_info":', ',"statusnet_notice_info":', $conv_as);
 730                 $conv_as = json_decode($conv_as);
 731
 732                 $no_of_items = sizeof($items);
 733
 734                 if (@is_array($conv_as->items))
 735                         foreach ($conv_as->items AS $single_item)
 736                                 $items[$single_item->id] = $single_item;
 737
 738                 if ($no_of_items == sizeof($items))
 739                         break;
 740
 741                 $pageno++;
 742
 743         } while (true);
 744
 745         logger('fetching conversation done. Found '.count($items).' items');
 746
 747         if (!sizeof($items)) {
 748                 if (count($item) > 0) {
 749                         //$arr["app"] .= " (OStatus-NoConvFetched)";
 750                         $item_stored = item_store($item, true);
 751
 752                         if ($item_stored) {
 753                                 logger("Conversation ".$conversation_url." couldn't be fetched. Item uri ".$item["uri"]." stored: ".$item_stored, LOGGER_DEBUG);
 754                                 ostatus_store_conversation($item_id, $conversation_url);
 755                         }
 756
 757                         return($item_stored);
 758                 } else
 759                         return(-3);
 760         }
 761
 762         $items = array_reverse($items);
 763
 764         $r = q("SELECT `nurl` FROM `contact` WHERE `uid` = %d AND `self`", intval($uid));
 765         $importer = $r[0];
 766
 767         foreach ($items as $single_conv) {
 768
 769                 // Test - remove before flight
 770                 //$tempfile = tempnam(get_temppath(), "conversation");
 771                 //file_put_contents($tempfile, json_encode($single_conv));
 772
 773                 $mention = false;
 774
 775                 if (isset($single_conv->object->id))
 776                         $single_conv->id = $single_conv->object->id;
 777
 778                 $plink = ostatus_convert_href($single_conv->id);
 779                 if (isset($single_conv->object->url))
 780                         $plink = ostatus_convert_href($single_conv->object->url);
 781
 782                 if (@!$single_conv->id)
 783                         continue;
 784
 785                 logger("Got id ".$single_conv->id, LOGGER_DEBUG);
 786
 787                 if ($first_id == "") {
 788                         $first_id = $single_conv->id;
 789
 790                         // The first post of the conversation isn't our first post. There are three options:
 791                         // 1. Our conversation hasn't the "real" thread starter
 792                         // 2. This first post is a post inside our thread
 793                         // 3. This first post is a post inside another thread
 794                         if (($first_id != $parent["uri"]) AND ($parent["uri"] != "")) {
 795                                 $new_parents = q("SELECT `id`, `parent`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `id` IN
 796                                                         (SELECT `parent` FROM `item`
 797                                                                 WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s')) LIMIT 1",
 798                                         intval($uid), dbesc($first_id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
 799                                 if ($new_parents) {
 800                                         if ($new_parents[0]["parent"] == $parent["parent"]) {
 801                                                 // Option 2: This post is already present inside our thread - but not as thread starter
 802                                                 logger("Option 2: uri present in our thread: ".$first_id, LOGGER_DEBUG);
 803                                                 $first_id = $parent["uri"];
 804                                         } else {
 805                                                 // Option 3: Not so good. We have mixed parents. We have to see how to clean this up.
 806                                                 // For now just take the new parent.
 807                                                 $parent = $new_parents[0];
 808                                                 $first_id = $parent["uri"];
 809                                                 logger("Option 3: mixed parents for uri ".$first_id, LOGGER_DEBUG);
 810                                         }
 811                                 } else {
 812                                         // Option 1: We hadn't got the real thread starter
 813                                         // We have to clean up our existing messages.
 814                                         $parent["id"] = 0;
 815                                         $parent["uri"] = $first_id;
 816                                         logger("Option 1: we have a new parent: ".$first_id, LOGGER_DEBUG);
 817                                 }
 818                         } elseif ($parent["uri"] == "") {
 819                                 $parent["id"] = 0;
 820                                 $parent["uri"] = $first_id;
 821                         }
 822                 }
 823
 824                 $parent_uri = $parent["uri"];
 825
 826                 // "context" only seems to exist on older servers
 827                 if (isset($single_conv->context->inReplyTo->id)) {
 828                         $parent_exists = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
 829                                                 intval($uid), dbesc($single_conv->context->inReplyTo->id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
 830                         if ($parent_exists)
 831                                 $parent_uri = $single_conv->context->inReplyTo->id;
 832                 }
 833
 834                 // This is the current way
 835                 if (isset($single_conv->object->inReplyTo->id)) {
 836                         $parent_exists = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
 837                                                 intval($uid), dbesc($single_conv->object->inReplyTo->id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
 838                         if ($parent_exists)
 839                                 $parent_uri = $single_conv->object->inReplyTo->id;
 840                 }
 841
 842                 $message_exists = q("SELECT `id`, `parent`, `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
 843                                                 intval($uid), dbesc($single_conv->id),
 844                                                 dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
 845                 if ($message_exists) {
 846                         logger("Message ".$single_conv->id." already existed on the system", LOGGER_DEBUG);
 847
 848                         if ($parent["id"] != 0) {
 849                                 $existing_message = $message_exists[0];
 850
 851                                 // We improved the way we fetch OStatus messages, this shouldn't happen very often now
 852                                 /// @TODO We have to change the shadow copies as well. This way here is really ugly.
 853                                 if ($existing_message["parent"] != $parent["id"]) {
 854                                         logger('updating id '.$existing_message["id"].' with parent '.$existing_message["parent"].' to parent '.$parent["id"].' uri '.$parent["uri"].' thread '.$parent_uri, LOGGER_DEBUG);
 855
 856                                         // Update the parent id of the selected item
 857                                         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s' WHERE `id` = %d",
 858                                                 intval($parent["id"]), dbesc($parent["uri"]), intval($existing_message["id"]));
 859
 860                                         // Update the parent uri in the thread - but only if it points to itself
 861                                         $r = q("UPDATE `item` SET `thr-parent` = '%s' WHERE `id` = %d AND `uri` = `thr-parent`",
 862                                                 dbesc($parent_uri), intval($existing_message["id"]));
 863
 864                                         // try to change all items of the same parent
 865                                         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s' WHERE `parent` = %d",
 866                                                 intval($parent["id"]), dbesc($parent["uri"]), intval($existing_message["parent"]));
 867
 868                                         // Update the parent uri in the thread - but only if it points to itself
 869                                         $r = q("UPDATE `item` SET `thr-parent` = '%s' WHERE (`parent` = %d) AND (`uri` = `thr-parent`)",
 870                                                 dbesc($parent["uri"]), intval($existing_message["parent"]));
 871
 872                                         // Now delete the thread
 873                                         delete_thread($existing_message["parent"]);
 874                                 }
 875                         }
 876
 877                         // The item we are having on the system is the one that we wanted to store via the item array
 878                         if (isset($item["uri"]) AND ($item["uri"] == $existing_message["uri"])) {
 879                                 $item = array();
 880                                 $item_stored = 0;
 881                         }
 882
 883                         continue;
 884                 }
 885
 886                 if (is_array($single_conv->to))
 887                         foreach($single_conv->to AS $to)
 888                                 if ($importer["nurl"] == normalise_link($to->id))
 889                                         $mention = true;
 890
 891                 $actor = $single_conv->actor->id;
 892                 if (isset($single_conv->actor->url))
 893                         $actor = $single_conv->actor->url;
 894
 895                 $contact = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
 896                                 $uid, normalise_link($actor), NETWORK_STATUSNET);
 897
 898                 if (count($contact)) {
 899                         logger("Found contact for url ".$actor, LOGGER_DEBUG);
 900                         $contact_id = $contact[0]["id"];
 901                 } else {
 902                         logger("No contact found for url ".$actor, LOGGER_DEBUG);
 903
 904                         // Adding a global contact
 905                         /// @TODO Use this data for the post
 906                         $global_contact_id = get_contact($actor, 0);
 907
 908                         logger("Global contact ".$global_contact_id." found for url ".$actor, LOGGER_DEBUG);
 909
 910                         $contact_id = $parent["contact-id"];
 911                 }
 912
 913                 $arr = array();
 914                 $arr["network"] = NETWORK_OSTATUS;
 915                 $arr["uri"] = $single_conv->id;
 916                 $arr["plink"] = $plink;
 917                 $arr["uid"] = $uid;
 918                 $arr["contact-id"] = $contact_id;
 919                 $arr["parent-uri"] = $parent_uri;
 920                 $arr["created"] = $single_conv->published;
 921                 $arr["edited"] = $single_conv->published;
 922                 $arr["owner-name"] = $single_conv->actor->displayName;
 923                 if ($arr["owner-name"] == '')
 924                         $arr["owner-name"] = $single_conv->actor->contact->displayName;
 925                 if ($arr["owner-name"] == '')
 926                         $arr["owner-name"] = $single_conv->actor->portablecontacts_net->displayName;
 927
 928                 $arr["owner-link"] = $actor;
 929                 $arr["owner-avatar"] = $single_conv->actor->image->url;
 930                 $arr["author-name"] = $arr["owner-name"];
 931                 $arr["author-link"] = $actor;
 932                 $arr["author-avatar"] = $single_conv->actor->image->url;
 933                 $arr["body"] = add_page_info_to_body(html2bbcode($single_conv->content));
 934
 935                 if (isset($single_conv->status_net->notice_info->source))
 936                         $arr["app"] = strip_tags($single_conv->status_net->notice_info->source);
 937                 elseif (isset($single_conv->statusnet->notice_info->source))
 938                         $arr["app"] = strip_tags($single_conv->statusnet->notice_info->source);
 939                 elseif (isset($single_conv->statusnet_notice_info->source))
 940                         $arr["app"] = strip_tags($single_conv->statusnet_notice_info->source);
 941                 elseif (isset($single_conv->provider->displayName))
 942                         $arr["app"] = $single_conv->provider->displayName;
 943                 else
 944                         $arr["app"] = "OStatus";
 945
 946                 //$arr["app"] .= " (Conversation)";
 947
 948                 $arr["object"] = json_encode($single_conv);
 949                 $arr["verb"] = $parent["verb"];
 950                 $arr["visible"] = $parent["visible"];
 951                 $arr["location"] = $single_conv->location->displayName;
 952                 $arr["coord"] = trim($single_conv->location->lat." ".$single_conv->location->lon);
 953
 954                 // Is it a reshared item?
 955                 if (isset($single_conv->verb) AND ($single_conv->verb == "share") AND isset($single_conv->object)) {
 956                         if (is_array($single_conv->object))
 957                                 $single_conv->object = $single_conv->object[0];
 958
 959                         logger("Found reshared item ".$single_conv->object->id);
 960
 961                         // $single_conv->object->context->conversation;
 962
 963                         if (isset($single_conv->object->object->id))
 964                                 $arr["uri"] = $single_conv->object->object->id;
 965                         else
 966                                 $arr["uri"] = $single_conv->object->id;
 967
 968                         if (isset($single_conv->object->object->url))
 969                                 $plink = ostatus_convert_href($single_conv->object->object->url);
 970                         else
 971                                 $plink = ostatus_convert_href($single_conv->object->url);
 972
 973                         if (isset($single_conv->object->object->content))
 974                                 $arr["body"] = add_page_info_to_body(html2bbcode($single_conv->object->object->content));
 975                         else
 976                                 $arr["body"] = add_page_info_to_body(html2bbcode($single_conv->object->content));
 977
 978                         $arr["plink"] = $plink;
 979
 980                         $arr["created"] = $single_conv->object->published;
 981                         $arr["edited"] = $single_conv->object->published;
 982
 983                         $arr["author-name"] = $single_conv->object->actor->displayName;
 984                         if ($arr["owner-name"] == '')
 985                                 $arr["author-name"] = $single_conv->object->actor->contact->displayName;
 986
 987                         $arr["author-link"] = $single_conv->object->actor->url;
 988                         $arr["author-avatar"] = $single_conv->object->actor->image->url;
 989
 990                         $arr["app"] = $single_conv->object->provider->displayName."#";
 991                         //$arr["verb"] = $single_conv->object->verb;
 992
 993                         $arr["location"] = $single_conv->object->location->displayName;
 994                         $arr["coord"] = trim($single_conv->object->location->lat." ".$single_conv->object->location->lon);
 995                 }
 996
 997                 if ($arr["location"] == "")
 998                         unset($arr["location"]);
 999
1000                 if ($arr["coord"] == "")
1001                         unset($arr["coord"]);
1002
1003                 // Copy fields from given item array
1004                 if (isset($item["uri"]) AND (($item["uri"] == $arr["uri"]) OR ($item["uri"] ==  $single_conv->id))) {
1005                         $copy_fields = array("owner-name", "owner-link", "owner-avatar", "author-name", "author-link", "author-avatar",
1006                                                 "gravity", "body", "object-type", "object", "verb", "created", "edited", "coord", "tag",
1007                                                 "title", "attach", "app", "type", "location", "contact-id", "uri");
1008                         foreach ($copy_fields AS $field)
1009                                 if (isset($item[$field]))
1010                                         $arr[$field] = $item[$field];
1011
1012                         //$arr["app"] .= " (OStatus)";
1013                 }
1014
1015                 $newitem = item_store($arr);
1016                 if (!$newitem) {
1017                         logger("Item wasn't stored ".print_r($arr, true), LOGGER_DEBUG);
1018                         continue;
1019                 }
1020
1021                 if (isset($item["uri"]) AND ($item["uri"] == $arr["uri"])) {
1022                         $item = array();
1023                         $item_stored = $newitem;
1024                 }
1025
1026                 logger('Stored new item '.$plink.' for parent '.$arr["parent-uri"].' under id '.$newitem, LOGGER_DEBUG);
1027
1028                 // Add the conversation entry (but don't fetch the whole conversation)
1029                 ostatus_store_conversation($newitem, $conversation_url);
1030
1031                 if ($mention) {
1032                         $u = q("SELECT `notify-flags`, `language`, `username`, `email` FROM user WHERE uid = %d LIMIT 1", intval($uid));
1033                         $r = q("SELECT `parent` FROM `item` WHERE `id` = %d", intval($newitem));
1034
1035                         notification(array(
1036                                 'type'         => NOTIFY_TAGSELF,
1037                                 'notify_flags' => $u[0]["notify-flags"],
1038                                 'language'     => $u[0]["language"],
1039                                 'to_name'      => $u[0]["username"],
1040                                 'to_email'     => $u[0]["email"],
1041                                 'uid'          => $uid,
1042                                 'item'         => $arr,
1043                                 'link'         => $a->get_baseurl().'/display/'.urlencode(get_item_guid($newitem)),
1044                                 'source_name'  => $arr["author-name"],
1045                                 'source_link'  => $arr["author-link"],
1046                                 'source_photo' => $arr["author-avatar"],
1047                                 'verb'         => ACTIVITY_TAG,
1048                                 'otype'        => 'item',
1049                                 'parent'       => $r[0]["parent"]
1050                         ));
1051                 }
1052
1053                 // If the newly created item is the top item then change the parent settings of the thread
1054                 // This shouldn't happen anymore. This is supposed to be absolote.
1055                 if ($arr["uri"] == $first_id) {
1056                         logger('setting new parent to id '.$newitem);
1057                         $new_parents = q("SELECT `id`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
1058                                 intval($uid), intval($newitem));
1059                         if ($new_parents)
1060                                 $parent = $new_parents[0];
1061                 }
1062         }
1063
1064         if (($item_stored < 0) AND (count($item) > 0)) {
1065                 //$arr["app"] .= " (OStatus-NoConvFound)";
1066                 $item_stored = item_store($item, true);
1067                 if ($item_stored) {
1068                         logger("Uri ".$item["uri"]." wasn't found in conversation ".$conversation_url, LOGGER_DEBUG);
1069                         ostatus_store_conversation($item_stored, $conversation_url);
1070                 }
1071         }
1072
1073         return($item_stored);
1074 }
1075
1076 function ostatus_store_conversation($itemid, $conversation_url) {
1077         global $a;
1078
1079         $conversation_url = ostatus_convert_href($conversation_url);
1080
1081         $messages = q("SELECT `uid`, `parent`, `created`, `received`, `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($itemid));
1082         if (!$messages)
1083                 return;
1084         $message = $messages[0];
1085
1086         // Store conversation url if not done before
1087         $conversation = q("SELECT `url` FROM `term` WHERE `uid` = %d AND `oid` = %d AND `otype` = %d AND `type` = %d",
1088                 intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION));
1089
1090         if (!$conversation) {
1091                 $r = q("INSERT INTO `term` (`uid`, `oid`, `otype`, `type`, `term`, `url`, `created`, `received`, `guid`) VALUES (%d, %d, %d, %d, '%s', '%s', '%s', '%s', '%s')",
1092                         intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION),
1093                         dbesc($message["created"]), dbesc($conversation_url), dbesc($message["created"]), dbesc($message["received"]), dbesc($message["guid"]));
1094                 logger('Storing conversation url '.$conversation_url.' for id '.$itemid);
1095         }
1096 }
1097
1098 function get_reshared_guid($item) {
1099         $body = trim($item["body"]);
1100
1101         // Skip if it isn't a pure repeated messages
1102         // Does it start with a share?
1103         if (strpos($body, "[share") > 0)
1104                 return("");
1105
1106         // Does it end with a share?
1107         if (strlen($body) > (strrpos($body, "[/share]") + 8))
1108                 return("");
1109
1110         $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
1111         // Skip if there is no shared message in there
1112         if ($body == $attributes)
1113                 return(false);
1114
1115         $guid = "";
1116         preg_match("/guid='(.*?)'/ism", $attributes, $matches);
1117         if ($matches[1] != "")
1118                 $guid = $matches[1];
1119
1120         preg_match('/guid="(.*?)"/ism', $attributes, $matches);
1121         if ($matches[1] != "")
1122                 $guid = $matches[1];
1123
1124         return $guid;
1125 }
1126
1127 function xml_create_element($doc, $element, $value = "", $attributes = array()) {
1128         $element = $doc->createElement($element, xmlify($value));
1129
1130         foreach ($attributes AS $key => $value) {
1131                 $attribute = $doc->createAttribute($key);
1132                 $attribute->value = xmlify($value);
1133                 $element->appendChild($attribute);
1134         }
1135         return $element;
1136 }
1137
1138 function xml_add_element($doc, $parent, $element, $value = "", $attributes = array()) {
1139         $element = xml_create_element($doc, $element, $value, $attributes);
1140         $parent->appendChild($element);
1141 }
1142
1143 function ostatus_format_picture_post($body) {
1144         $siteinfo = get_attached_data($body);
1145
1146         if (($siteinfo["type"] == "photo")) {
1147                 if (isset($siteinfo["preview"]))
1148                         $preview = $siteinfo["preview"];
1149                 else
1150                         $preview = $siteinfo["image"];
1151
1152                 // Is it a remote picture? Then make a smaller preview here
1153                 $preview = proxy_url($preview, false, PROXY_SIZE_SMALL);
1154
1155                 // Is it a local picture? Then make it smaller here
1156                 $preview = str_replace(array("-0.jpg", "-0.png"), array("-2.jpg", "-2.png"), $preview);
1157                 $preview = str_replace(array("-1.jpg", "-1.png"), array("-2.jpg", "-2.png"), $preview);
1158
1159                 if (isset($siteinfo["url"]))
1160                         $url = $siteinfo["url"];
1161                 else
1162                         $url = $siteinfo["image"];
1163
1164                 $body = trim($siteinfo["text"])." [url]".$url."[/url]\n[img]".$preview."[/img]";
1165         }
1166
1167         return $body;
1168 }
1169
1170 function ostatus_add_header($doc, $owner) {
1171         $a = get_app();
1172
1173         $root = $doc->createElementNS(NS_ATOM, 'feed');
1174         $doc->appendChild($root);
1175
1176         $root->setAttribute("xmlns:thr", NS_THR);
1177         $root->setAttribute("xmlns:georss", NS_GEORSS);
1178         $root->setAttribute("xmlns:activity", NS_ACTIVITY);
1179         $root->setAttribute("xmlns:media", NS_MEDIA);
1180         $root->setAttribute("xmlns:poco", NS_POCO);
1181         $root->setAttribute("xmlns:ostatus", NS_OSTATUS);
1182         $root->setAttribute("xmlns:statusnet", NS_STATUSNET);
1183
1184         $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
1185         xml_add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
1186         xml_add_element($doc, $root, "id", $a->get_baseurl()."/profile/".$owner["nick"]);
1187         xml_add_element($doc, $root, "title", sprintf("%s timeline", $owner["name"]));
1188         xml_add_element($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], $a->config["sitename"]));
1189         xml_add_element($doc, $root, "logo", $owner["photo"]);
1190         xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
1191
1192         $author = ostatus_add_author($doc, $owner);
1193         $root->appendChild($author);
1194
1195         $attributes = array("href" => $owner["url"], "rel" => "alternate", "type" => "text/html");
1196         xml_add_element($doc, $root, "link", "", $attributes);
1197
1198         /// @TODO We have to find out what this is
1199         /// $attributes = array("href" => $a->get_baseurl()."/sup",
1200         ///             "rel" => "http://api.friendfeed.com/2008/03#sup",
1201         ///             "type" => "application/json");
1202         /// xml_add_element($doc, $root, "link", "", $attributes);
1203
1204         ostatus_hublinks($doc, $root);
1205
1206         $attributes = array("href" => $a->get_baseurl()."/salmon/".$owner["nick"], "rel" => "salmon");
1207         xml_add_element($doc, $root, "link", "", $attributes);
1208
1209         $attributes = array("href" => $a->get_baseurl()."/salmon/".$owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-replies");
1210         xml_add_element($doc, $root, "link", "", $attributes);
1211
1212         $attributes = array("href" => $a->get_baseurl()."/salmon/".$owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-mention");
1213         xml_add_element($doc, $root, "link", "", $attributes);
1214
1215         $attributes = array("href" => $a->get_baseurl()."/api/statuses/user_timeline/".$owner["nick"].".atom",
1216                         "rel" => "self", "type" => "application/atom+xml");
1217         xml_add_element($doc, $root, "link", "", $attributes);
1218
1219         return $root;
1220 }
1221
1222 function ostatus_hublinks($doc, $root) {
1223         $a = get_app();
1224         $hub = get_config('system','huburl');
1225
1226         $hubxml = '';
1227         if(strlen($hub)) {
1228                 $hubs = explode(',', $hub);
1229                 if(count($hubs)) {
1230                         foreach($hubs as $h) {
1231                                 $h = trim($h);
1232                                 if(! strlen($h))
1233                                         continue;
1234                                 if ($h === '[internal]')
1235                                         $h = $a->get_baseurl() . '/pubsubhubbub';
1236                                 xml_add_element($doc, $root, "link", "", array("href" => $h, "rel" => "hub"));
1237                         }
1238                 }
1239         }
1240 }
1241
1242 function ostatus_get_attachment($doc, $root, $item) {
1243         $o = "";
1244         $siteinfo = get_attached_data($item["body"]);
1245
1246         switch($siteinfo["type"]) {
1247                 case 'link':
1248                         $attributes = array("rel" => "enclosure",
1249                                         "href" => $siteinfo["url"],
1250                                         "type" => "text/html; charset=UTF-8",
1251                                         "length" => "",
1252                                         "title" => $siteinfo["title"]);
1253                         xml_add_element($doc, $root, "link", "", $attributes);
1254                         break;
1255                 case 'photo':
1256                         $imgdata = get_photo_info($siteinfo["image"]);
1257                         $attributes = array("rel" => "enclosure",
1258                                         "href" => $siteinfo["image"],
1259                                         "type" => $imgdata["mime"],
1260                                         "length" => intval($imgdata["size"]));
1261                         xml_add_element($doc, $root, "link", "", $attributes);
1262                         break;
1263                 case 'video':
1264                         $attributes = array("rel" => "enclosure",
1265                                         "href" => $siteinfo["url"],
1266                                         "type" => "text/html; charset=UTF-8",
1267                                         "length" => "",
1268                                         "title" => $siteinfo["title"]);
1269                         xml_add_element($doc, $root, "link", "", $attributes);
1270                         break;
1271                 default:
1272                         break;
1273         }
1274
1275         if (($siteinfo["type"] != "photo") AND isset($siteinfo["image"])) {
1276                 $photodata = get_photo_info($siteinfo["image"]);
1277
1278                 $attributes = array("rel" => "preview", "href" => $siteinfo["image"], "media:width" => $photodata[0], "media:height" => $photodata[1]);
1279                 xml_add_element($doc, $root, "link", "", $attributes);
1280         }
1281
1282
1283         $arr = explode('[/attach],',$item['attach']);
1284         if(count($arr)) {
1285                 foreach($arr as $r) {
1286                         $matches = false;
1287                         $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches);
1288                         if($cnt) {
1289                                 $attributes = array("rel" => "enclosure",
1290                                                 "href" => $matches[1],
1291                                                 "type" => $matches[3]);
1292
1293                                 if(intval($matches[2]))
1294                                         $attributes["length"] = intval($matches[2]);
1295
1296                                 if(trim($matches[4]) != "")
1297                                         $attributes["title"] = trim($matches[4]);
1298
1299                                 xml_add_element($doc, $root, "link", "", $attributes);
1300                         }
1301                 }
1302         }
1303 }
1304
1305 function ostatus_add_author($doc, $owner) {
1306         $a = get_app();
1307
1308         $r = q("SELECT `homepage` FROM `profile` WHERE `uid` = %d AND `is-default` LIMIT 1", intval($owner["uid"]));
1309         if ($r)
1310                 $profile = $r[0];
1311
1312         $author = $doc->createElement("author");
1313         xml_add_element($doc, $author, "activity:object-type", ACTIVITY_OBJ_PERSON);
1314         xml_add_element($doc, $author, "uri", $owner["url"]);
1315         xml_add_element($doc, $author, "name", $owner["name"]);
1316
1317         $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $owner["url"]);
1318         xml_add_element($doc, $author, "link", "", $attributes);
1319
1320         $attributes = array(
1321                         "rel" => "avatar",
1322                         "type" => "image/jpeg", // To-Do?
1323                         "media:width" => 175,
1324                         "media:height" => 175,
1325                         "href" => $owner["photo"]);
1326         xml_add_element($doc, $author, "link", "", $attributes);
1327
1328         if (isset($owner["thumb"])) {
1329                 $attributes = array(
1330                                 "rel" => "avatar",
1331                                 "type" => "image/jpeg", // To-Do?
1332                                 "media:width" => 80,
1333                                 "media:height" => 80,
1334                                 "href" => $owner["thumb"]);
1335                 xml_add_element($doc, $author, "link", "", $attributes);
1336         }
1337
1338         xml_add_element($doc, $author, "poco:preferredUsername", $owner["nick"]);
1339         xml_add_element($doc, $author, "poco:displayName", $owner["name"]);
1340         xml_add_element($doc, $author, "poco:note", $owner["about"]);
1341
1342         if (trim($owner["location"]) != "") {
1343                 $element = $doc->createElement("poco:address");
1344                 xml_add_element($doc, $element, "poco:formatted", $owner["location"]);
1345                 $author->appendChild($element);
1346         }
1347
1348         if (trim($profile["homepage"]) != "") {
1349                 $urls = $doc->createElement("poco:urls");
1350                 xml_add_element($doc, $urls, "poco:type", "homepage");
1351                 xml_add_element($doc, $urls, "poco:value", $profile["homepage"]);
1352                 xml_add_element($doc, $urls, "poco:primary", "true");
1353                 $author->appendChild($urls);
1354         }
1355
1356         if (count($profile)) {
1357                 xml_add_element($doc, $author, "followers", "", array("url" => $a->get_baseurl()."/viewcontacts/".$owner["nick"]));
1358                 xml_add_element($doc, $author, "statusnet:profile_info", "", array("local_id" => $owner["uid"]));
1359         }
1360
1361         return $author;
1362 }
1363
1364 /**
1365  * @TODO Picture attachments should look like this:
1366  *      <a href="https://status.pirati.ca/attachment/572819" title="https://status.pirati.ca/file/heluecht-20151202T222602-rd3u49p.gif"
1367  *      class="attachment thumbnail" id="attachment-572819" rel="nofollow external">https://status.pirati.ca/attachment/572819</a>
1368  *
1369 */
1370
1371 function ostatus_entry($doc, $item, $owner, $toplevel = false, $repeat = false) {
1372         $a = get_app();
1373
1374         $is_repeat = false;
1375
1376 /*      if (!$repeat) {
1377                 $repeated_guid = get_reshared_guid($item);
1378
1379                 if ($repeated_guid != "") {
1380                         $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1381                                 intval($owner["uid"]), dbesc($repeated_guid));
1382                         if ($r) {
1383                                 $repeated_item = $r[0];
1384                                 $is_repeat = true;
1385                         }
1386                 }
1387         }
1388 */
1389         if (!$toplevel AND !$repeat) {
1390                 $entry = $doc->createElement("entry");
1391                 $title = sprintf("New note by %s", $owner["nick"]);
1392         } elseif (!$toplevel AND $repeat) {
1393                 $entry = $doc->createElement("activity:object");
1394                 $title = sprintf("New note by %s", $owner["nick"]);
1395         } else {
1396                 $entry = $doc->createElementNS(NS_ATOM, "entry");
1397
1398                 $entry->setAttribute("xmlns:thr", NS_THR);
1399                 $entry->setAttribute("xmlns:georss", NS_GEORSS);
1400                 $entry->setAttribute("xmlns:activity", NS_ACTIVITY);
1401                 $entry->setAttribute("xmlns:media", NS_MEDIA);
1402                 $entry->setAttribute("xmlns:poco", NS_POCO);
1403                 $entry->setAttribute("xmlns:ostatus", NS_OSTATUS);
1404                 $entry->setAttribute("xmlns:statusnet", NS_STATUSNET);
1405
1406                 $author = ostatus_add_author($doc, $owner);
1407                 $entry->appendChild($author);
1408
1409                 $title = sprintf("New comment by %s", $owner["nick"]);
1410         }
1411
1412         // To use the object-type "bookmark" we have to implement these elements:
1413         //
1414         // <activity:object-type>http://activitystrea.ms/schema/1.0/bookmark</activity:object-type>
1415         // <title>Historic Rocket Landing</title>
1416         // <summary>Nur ein Testbeitrag.</summary>
1417         // <link rel="related" href="https://www.youtube.com/watch?v=9pillaOxGCo"/>
1418         // <link rel="preview" href="https://pirati.cc/file/thumb-4526-450x338-b48c8055f0c2fed0c3f67adc234c4b99484a90c42ed3cac73dc1081a4d0a7bc1.jpg.jpg" media:width="450" media:height="338"/>
1419         //
1420         // But: it seems as if it doesn't federate well between the GS servers
1421         // So we just set it to "note" to be sure that it reaches their target systems
1422
1423         if (!$repeat)
1424                 xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
1425         else
1426                 xml_add_element($doc, $entry, "activity:object-type", NAMESPACE_ACTIVITY_SCHEMA.'activity');
1427
1428         xml_add_element($doc, $entry, "id", $item["uri"]);
1429         xml_add_element($doc, $entry, "title", $title);
1430
1431         if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
1432                 $body = fix_private_photos($item['body'],$owner['uid'],$item, 0);
1433         else
1434                 $body = $item['body'];
1435
1436         $body = ostatus_format_picture_post($body);
1437
1438         if ($item['title'] != "")
1439                 $body = "[b]".$item['title']."[/b]\n\n".$body;
1440
1441         //$body = bb_remove_share_information($body);
1442         $body = bbcode($body, false, false, 7);
1443
1444         xml_add_element($doc, $entry, "content", $body, array("type" => "html"));
1445
1446         xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
1447                                                         "href" => $a->get_baseurl()."/display/".$item["guid"]));
1448
1449         xml_add_element($doc, $entry, "status_net", "", array("notice_id" => $item["id"]));
1450
1451         if (!$is_repeat)
1452                 xml_add_element($doc, $entry, "activity:verb", construct_verb($item));
1453         else
1454                 xml_add_element($doc, $entry, "activity:verb", ACTIVITY_SHARE);
1455
1456         xml_add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
1457         xml_add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
1458
1459         if ($is_repeat) {
1460                 $repeated_owner = array();
1461                 $repeated_owner["name"] = $repeated_item["author-name"];
1462                 $repeated_owner["url"] = $repeated_item["author-link"];
1463                 $repeated_owner["photo"] = $repeated_item["author-avatar"];
1464                 $repeated_owner["nick"] = $repeated_owner["name"];
1465                 $repeated_owner["location"] = "";
1466                 $repeated_owner["about"] = "";
1467                 $repeated_owner["uid"] = 0;
1468
1469                 // Fetch the missing data from the global contacts
1470                 $r =q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'", normalise_link($repeated_item["author-link"]));
1471                 if ($r) {
1472                         if ($r[0]["nick"] != "")
1473                                 $repeated_owner["nick"] = $r[0]["nick"];
1474
1475                         $repeated_owner["location"] = $r[0]["location"];
1476                         $repeated_owner["about"] = $r[0]["about"];
1477                 }
1478
1479                 $entry_repeat = ostatus_entry($doc, $repeated_item, $repeated_owner, false, true);
1480                 $entry->appendChild($entry_repeat);
1481         } elseif ($repeat) {
1482                 $author = ostatus_add_author($doc, $owner);
1483                 $entry->appendChild($author);
1484         }
1485
1486         $mentioned = array();
1487
1488         if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
1489                 $parent = q("SELECT `guid`, `author-link`, `owner-link` FROM `item` WHERE `id` = %d", intval($item["parent"]));
1490                 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
1491
1492                 $attributes = array(
1493                                 "ref" => $parent_item,
1494                                 "type" => "text/html",
1495                                 "href" => $a->get_baseurl()."/display/".$parent[0]["guid"]);
1496                 xml_add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
1497
1498                 $attributes = array(
1499                                 "rel" => "related",
1500                                 "href" => $a->get_baseurl()."/display/".$parent[0]["guid"]);
1501                 xml_add_element($doc, $entry, "link", "", $attributes);
1502
1503                 $mentioned[$parent[0]["author-link"]] = $parent[0]["author-link"];
1504                 $mentioned[$parent[0]["owner-link"]] = $parent[0]["owner-link"];
1505
1506                 $thrparent = q("SELECT `guid`, `author-link`, `owner-link` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
1507                                 intval($owner["uid"]),
1508                                 dbesc($parent_item));
1509                 if ($thrparent) {
1510                         $mentioned[$thrparent[0]["author-link"]] = $thrparent[0]["author-link"];
1511                         $mentioned[$thrparent[0]["owner-link"]] = $thrparent[0]["owner-link"];
1512                 }
1513         }
1514
1515         xml_add_element($doc, $entry, "link", "", array("rel" => "ostatus:conversation",
1516                                                         "href" => $a->get_baseurl()."/display/".$owner["nick"]."/".$item["parent"]));
1517         xml_add_element($doc, $entry, "ostatus:conversation", $a->get_baseurl()."/display/".$owner["nick"]."/".$item["parent"]);
1518
1519         $tags = item_getfeedtags($item);
1520
1521         if(count($tags))
1522                 foreach($tags as $t)
1523                         if ($t[0] == "@")
1524                                 $mentioned[$t[1]] = $t[1];
1525
1526         // Make sure that mentions are accepted (GNU Social has problems with mixing HTTP and HTTPS)
1527         $newmentions = array();
1528         foreach ($mentioned AS $mention) {
1529                 $newmentions[str_replace("http://", "https://", $mention)] = str_replace("http://", "https://", $mention);
1530                 $newmentions[str_replace("https://", "http://", $mention)] = str_replace("https://", "http://", $mention);
1531         }
1532         $mentioned = $newmentions;
1533
1534         foreach ($mentioned AS $mention) {
1535                 $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
1536                         intval($owner["uid"]),
1537                         dbesc(normalise_link($mention)));
1538                 if ($r[0]["forum"] OR $r[0]["prv"])
1539                         xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1540                                                                                 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1541                                                                                 "href" => $mention));
1542                 else
1543                         xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1544                                                                                 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1545                                                                                 "href" => $mention));
1546         }
1547
1548         if (!$item["private"])
1549                 xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1550                                                                 "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/collection",
1551                                                                 "href" => "http://activityschema.org/collection/public"));
1552
1553         if(count($tags))
1554                 foreach($tags as $t)
1555                         if ($t[0] != "@")
1556                                 xml_add_element($doc, $entry, "category", "", array("term" => $t[2]));
1557
1558         ostatus_get_attachment($doc, $entry, $item);
1559
1560         /// @TODO
1561         /// The API call has yet to be implemented
1562         //$attributes = array("href" => $a->get_baseurl()."/api/statuses/show/".$item["id"].".atom",
1563         //              "rel" => "self", "type" => "application/atom+xml");
1564         //xml_add_element($doc, $entry, "link", "", $attributes);
1565
1566         //$attributes = array("href" => $a->get_baseurl()."/api/statuses/show/".$item["id"].".atom",
1567         //              "rel" => "edit", "type" => "application/atom+xml");
1568         //xml_add_element($doc, $entry, "link", "", $attributes);
1569
1570         $app = $item["app"];
1571         if ($app == "")
1572                 $app = "web";
1573
1574
1575         $attributes = array("local_id" => $item["id"], "source" => $app);
1576         if ($is_repeat)
1577                 $attributes["repeat_of"] = $repeated_item["id"];
1578
1579         xml_add_element($doc, $entry, "statusnet:notice_info", "", $attributes);
1580
1581         return $entry;
1582 }
1583
1584 function ostatus_feed(&$a, $owner_nick, $last_update) {
1585
1586         $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
1587                         FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
1588                         WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
1589                         dbesc($owner_nick));
1590         if (!$r)
1591                 return;
1592
1593         $owner = $r[0];
1594
1595         if(!strlen($last_update))
1596                 $last_update = 'now -30 days';
1597
1598         $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
1599
1600         $items = q("SELECT STRAIGHT_JOIN `item`.*, `item`.`id` AS `item_id` FROM `item`
1601                         INNER JOIN `thread` ON `thread`.`iid` = `item`.`parent`
1602                         LEFT JOIN `item` AS `thritem` ON `thritem`.`uri`=`item`.`thr-parent` AND `thritem`.`uid`=`item`.`uid`
1603                         WHERE `item`.`uid` = %d AND `item`.`received` > '%s' AND NOT `item`.`private` AND NOT `item`.`deleted`
1604                                 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
1605                                 AND ((`item`.`wall` AND (`item`.`parent` = `item`.`id`))
1606                                         OR (`item`.`network` = '%s' AND ((`thread`.`network` IN ('%s', '%s')) OR (`thritem`.`network` IN ('%s', '%s')))) AND `thread`.`mention`)
1607                                 AND ((`item`.`owner-link` IN ('%s', '%s') AND (`item`.`parent` = `item`.`id`))
1608                                         OR (`item`.`author-link` IN ('%s', '%s')))
1609                         ORDER BY `item`.`received` DESC
1610                         LIMIT 0, 300",
1611                         intval($owner["uid"]), dbesc($check_date), dbesc(NETWORK_DFRN),
1612                         //dbesc(NETWORK_OSTATUS), dbesc(NETWORK_OSTATUS),
1613                         //dbesc(NETWORK_OSTATUS), dbesc(NETWORK_OSTATUS),
1614                         dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN),
1615                         dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN),
1616                         dbesc($owner["nurl"]), dbesc(str_replace("http://", "https://", $owner["nurl"])),
1617                         dbesc($owner["nurl"]), dbesc(str_replace("http://", "https://", $owner["nurl"]))
1618                 );
1619
1620         $doc = new DOMDocument('1.0', 'utf-8');
1621         $doc->formatOutput = true;
1622
1623         $root = ostatus_add_header($doc, $owner);
1624
1625         foreach ($items AS $item) {
1626                 $entry = ostatus_entry($doc, $item, $owner);
1627                 $root->appendChild($entry);
1628         }
1629
1630         return(trim($doc->saveXML()));
1631 }
1632
1633 function ostatus_salmon($item,$owner) {
1634
1635         $doc = new DOMDocument('1.0', 'utf-8');
1636         $doc->formatOutput = true;
1637
1638         $entry = ostatus_entry($doc, $item, $owner, true);
1639
1640         $doc->appendChild($entry);
1641
1642         return(trim($doc->saveXML()));
1643 }
1644 ?>