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 function ostatus_check_follow_friends() {
  21         $r = q("SELECT `uid`,`v` FROM `pconfig` WHERE `cat`='system' AND `k`='ostatus_legacy_contact' AND `v` != ''");
  22
  23         if (!$r)
  24                 return;
  25
  26         foreach ($r AS $contact) {
  27                 ostatus_follow_friends($contact["uid"], $contact["v"]);
  28                 set_pconfig($contact["uid"], "system", "ostatus_legacy_contact", "");
  29         }
  30 }
  31
  32 // This function doesn't work reliable by now.
  33 function ostatus_follow_friends($uid, $url) {
  34         $contact = probe_url($url);
  35
  36         if (!$contact)
  37                 return;
  38
  39         $api = $contact["baseurl"]."/api/";
  40
  41         // Fetching friends
  42         $data = z_fetch_url($api."statuses/friends.json?screen_name=".$contact["nick"]);
  43
  44         if (!$data["success"])
  45                 return;
  46
  47         $friends = json_decode($data["body"]);
  48
  49         foreach ($friends AS $friend) {
  50                 $url = $friend->statusnet_profile_url;
  51                 $r = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND
  52                         (`nurl` = '%s' OR `alias` = '%s' OR `alias` = '%s') AND
  53                         `network` != '%s' LIMIT 1",
  54                         intval($uid), dbesc(normalise_link($url)),
  55                         dbesc(normalise_link($url)), dbesc($url), dbesc(NETWORK_STATUSNET));
  56                 if (!$r) {
  57                         $data = probe_url($friend->statusnet_profile_url);
  58                         if ($data["network"] == NETWORK_OSTATUS) {
  59                                 $result = new_contact($uid,$friend->statusnet_profile_url);
  60                                 if ($result["success"])
  61                                         logger($friend->name." ".$url." - success", LOGGER_DEBUG);
  62                                 else
  63                                         logger($friend->name." ".$url." - failed", LOGGER_DEBUG);
  64                         } else
  65                                 logger($friend->name." ".$url." - not OStatus", LOGGER_DEBUG);
  66                 }
  67         }
  68 }
  69
  70 function ostatus_fetchauthor($xpath, $context, $importer, &$contact, $onlyfetch) {
  71
  72         $author = array();
  73         $author["author-link"] = $xpath->evaluate('atom:author/atom:uri/text()', $context)->item(0)->nodeValue;
  74         $author["author-name"] = $xpath->evaluate('atom:author/atom:name/text()', $context)->item(0)->nodeValue;
  75
  76         // Preserve the value
  77         $authorlink = $author["author-link"];
  78
  79         $alternate = $xpath->query("atom:author/atom:link[@rel='alternate']", $context)->item(0)->attributes;
  80         if (is_object($alternate))
  81                 foreach($alternate AS $attributes)
  82                         if ($attributes->name == "href")
  83                                 $author["author-link"] = $attributes->textContent;
  84
  85         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` IN ('%s', '%s') AND `network` != '%s'",
  86                 intval($importer["uid"]), dbesc(normalise_link($author["author-link"])),
  87                 dbesc(normalise_link($authorlink)), dbesc(NETWORK_STATUSNET));
  88         if ($r) {
  89                 $contact = $r[0];
  90                 $author["contact-id"] = $r[0]["id"];
  91         } else
  92                 $author["contact-id"] = $contact["id"];
  93
  94         $avatarlist = array();
  95         $avatars = $xpath->query("atom:author/atom:link[@rel='avatar']", $context);
  96         foreach($avatars AS $avatar) {
  97                 $href = "";
  98                 $width = 0;
  99                 foreach($avatar->attributes AS $attributes) {
 100                         if ($attributes->name == "href")
 101                                 $href = $attributes->textContent;
 102                         if ($attributes->name == "width")
 103                                 $width = $attributes->textContent;
 104                 }
 105                 if (($width > 0) AND ($href != ""))
 106                         $avatarlist[$width] = $href;
 107         }
 108         if (count($avatarlist) > 0) {
 109                 krsort($avatarlist);
 110                 $author["author-avatar"] = current($avatarlist);
 111         }
 112
 113         $displayname = $xpath->evaluate('atom:author/poco:displayName/text()', $context)->item(0)->nodeValue;
 114         if ($displayname != "")
 115                 $author["author-name"] = $displayname;
 116
 117         $author["owner-name"] = $author["author-name"];
 118         $author["owner-link"] = $author["author-link"];
 119         $author["owner-avatar"] = $author["author-avatar"];
 120
 121         // Only update the contacts if it is an OStatus contact
 122         if ($r AND !$onlyfetch AND ($contact["network"] == NETWORK_OSTATUS)) {
 123                 // Update contact data
 124
 125                 $value = $xpath->query("atom:link[@rel='salmon']", $context)->item(0)->nodeValue;
 126                 if ($value != "")
 127                         $contact["notify"] = $value;
 128
 129                 $value = $xpath->evaluate('atom:author/uri/text()', $context)->item(0)->nodeValue;
 130                 if ($value != "")
 131                         $contact["alias"] = $value;
 132
 133                 $value = $xpath->evaluate('atom:author/poco:displayName/text()', $context)->item(0)->nodeValue;
 134                 if ($value != "")
 135                         $contact["name"] = $value;
 136
 137                 $value = $xpath->evaluate('atom:author/poco:preferredUsername/text()', $context)->item(0)->nodeValue;
 138                 if ($value != "")
 139                         $contact["nick"] = $value;
 140
 141                 $value = $xpath->evaluate('atom:author/poco:note/text()', $context)->item(0)->nodeValue;
 142                 if ($value != "")
 143                         $contact["about"] = html2bbcode($value);
 144
 145                 $value = $xpath->evaluate('atom:author/poco:address/poco:formatted/text()', $context)->item(0)->nodeValue;
 146                 if ($value != "")
 147                         $contact["location"] = $value;
 148
 149                 if (($contact["name"] != $r[0]["name"]) OR ($contact["nick"] != $r[0]["nick"]) OR ($contact["about"] != $r[0]["about"]) OR ($contact["location"] != $r[0]["location"])) {
 150
 151                         logger("Update contact data for contact ".$contact["id"], LOGGER_DEBUG);
 152
 153                         q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s', `name-date` = '%s' WHERE `id` = %d",
 154                                 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
 155                                 dbesc(datetime_convert()), intval($contact["id"]));
 156
 157                         poco_check($contact["url"], $contact["name"], $contact["network"], $author["author-avatar"], $contact["about"], $contact["location"],
 158                                                 "", "", "", datetime_convert(), 2, $contact["id"], $contact["uid"]);
 159                 }
 160
 161                 if (isset($author["author-avatar"]) AND ($author["author-avatar"] != $r[0]['avatar'])) {
 162                         logger("Update profile picture for contact ".$contact["id"], LOGGER_DEBUG);
 163
 164                         update_contact_avatar($author["author-avatar"], $importer["uid"], $contact["id"]);
 165                 }
 166
 167                 $contact["generation"] = 2;
 168                 $contact["photo"] = $author["author-avatar"];
 169                 update_gcontact($contact);
 170         }
 171
 172         return($author);
 173 }
 174
 175 function ostatus_salmon_author($xml, $importer) {
 176         $a = get_app();
 177
 178         if ($xml == "")
 179                 return;
 180
 181         $doc = new DOMDocument();
 182         @$doc->loadXML($xml);
 183
 184         $xpath = new DomXPath($doc);
 185         $xpath->registerNamespace('atom', NAMESPACE_ATOM1);
 186         $xpath->registerNamespace('thr', NAMESPACE_THREAD);
 187         $xpath->registerNamespace('georss', NAMESPACE_GEORSS);
 188         $xpath->registerNamespace('activity', NAMESPACE_ACTIVITY);
 189         $xpath->registerNamespace('media', NAMESPACE_MEDIA);
 190         $xpath->registerNamespace('poco', NAMESPACE_POCO);
 191         $xpath->registerNamespace('ostatus', NAMESPACE_OSTATUS);
 192         $xpath->registerNamespace('statusnet', NAMESPACE_STATUSNET);
 193
 194         $entries = $xpath->query('/atom:entry');
 195
 196         foreach ($entries AS $entry) {
 197                 // fetch the author
 198                 $author = ostatus_fetchauthor($xpath, $entry, $importer, $contact, true);
 199                 return $author;
 200         }
 201 }
 202
 203 function ostatus_import($xml,$importer,&$contact, &$hub) {
 204
 205         $a = get_app();
 206
 207         logger("Import OStatus message", LOGGER_DEBUG);
 208
 209         if ($xml == "")
 210                 return;
 211
 212         $doc = new DOMDocument();
 213         @$doc->loadXML($xml);
 214
 215         $xpath = new DomXPath($doc);
 216         $xpath->registerNamespace('atom', NAMESPACE_ATOM1);
 217         $xpath->registerNamespace('thr', NAMESPACE_THREAD);
 218         $xpath->registerNamespace('georss', NAMESPACE_GEORSS);
 219         $xpath->registerNamespace('activity', NAMESPACE_ACTIVITY);
 220         $xpath->registerNamespace('media', NAMESPACE_MEDIA);
 221         $xpath->registerNamespace('poco', NAMESPACE_POCO);
 222         $xpath->registerNamespace('ostatus', NAMESPACE_OSTATUS);
 223         $xpath->registerNamespace('statusnet', NAMESPACE_STATUSNET);
 224
 225         $gub = "";
 226         $hub_attributes = $xpath->query("/atom:feed/atom:link[@rel='hub']")->item(0)->attributes;
 227         if (is_object($hub_attributes))
 228                 foreach($hub_attributes AS $hub_attribute)
 229                         if ($hub_attribute->name == "href") {
 230                                 $hub = $hub_attribute->textContent;
 231                                 logger("Found hub ".$hub, LOGGER_DEBUG);
 232                         }
 233
 234         $header = array();
 235         $header["uid"] = $importer["uid"];
 236         $header["network"] = NETWORK_OSTATUS;
 237         $header["type"] = "remote";
 238         $header["wall"] = 0;
 239         $header["origin"] = 0;
 240         $header["gravity"] = GRAVITY_PARENT;
 241
 242         // it could either be a received post or a post we fetched by ourselves
 243         // depending on that, the first node is different
 244         $first_child = $doc->firstChild->tagName;
 245
 246         if ($first_child == "feed")
 247                 $entries = $xpath->query('/atom:feed/atom:entry');
 248         else
 249                 $entries = $xpath->query('/atom:entry');
 250
 251         $conversation = "";
 252         $conversationlist = array();
 253         $item_id = 0;
 254
 255         // Reverse the order of the entries
 256         $entrylist = array();
 257
 258         foreach ($entries AS $entry)
 259                 $entrylist[] = $entry;
 260
 261         foreach (array_reverse($entrylist) AS $entry) {
 262
 263                 $mention = false;
 264
 265                 // fetch the author
 266                 if ($first_child == "feed")
 267                         $author = ostatus_fetchauthor($xpath, $doc->firstChild, $importer, $contact, false);
 268                 else
 269                         $author = ostatus_fetchauthor($xpath, $entry, $importer, $contact, false);
 270
 271                 $value = $xpath->evaluate('atom:author/poco:preferredUsername/text()', $context)->item(0)->nodeValue;
 272                 if ($value != "")
 273                         $nickname = $value;
 274                 else
 275                         $nickname = $author["author-name"];
 276
 277                 $item = array_merge($header, $author);
 278
 279                 // Now get the item
 280                 $item["uri"] = $xpath->query('atom:id/text()', $entry)->item(0)->nodeValue;
 281
 282                 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 283                         intval($importer["uid"]), dbesc($item["uri"]));
 284                 if ($r) {
 285                         logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already existed under id ".$r[0]["id"], LOGGER_DEBUG);
 286                         continue;
 287                 }
 288
 289                 $item["body"] = add_page_info_to_body(html2bbcode($xpath->query('atom:content/text()', $entry)->item(0)->nodeValue));
 290                 $item["object-type"] = $xpath->query('activity:object-type/text()', $entry)->item(0)->nodeValue;
 291
 292                 if (($item["object-type"] == ACTIVITY_OBJ_BOOKMARK) OR ($item["object-type"] == ACTIVITY_OBJ_EVENT)) {
 293                         $item["title"] = $xpath->query('atom:title/text()', $entry)->item(0)->nodeValue;
 294                         $item["body"] = $xpath->query('atom:summary/text()', $entry)->item(0)->nodeValue;
 295                 } elseif ($item["object-type"] == ACTIVITY_OBJ_QUESTION)
 296                         $item["title"] = $xpath->query('atom:title/text()', $entry)->item(0)->nodeValue;
 297
 298                 $item["object"] = $xml;
 299                 $item["verb"] = $xpath->query('activity:verb/text()', $entry)->item(0)->nodeValue;
 300
 301                 /// @TODO
 302                 /// Delete a message
 303                 if ($item["verb"] == "qvitter-delete-notice") {
 304                         // ignore "Delete" messages (by now)
 305                         logger("Ignore delete message ".print_r($item, true));
 306                         continue;
 307                 }
 308
 309                 if ($item["verb"] == ACTIVITY_JOIN) {
 310                         // ignore "Join" messages
 311                         logger("Ignore join message ".print_r($item, true));
 312                         continue;
 313                 }
 314
 315                 if ($item["verb"] == ACTIVITY_FOLLOW) {
 316                         new_follower($importer, $contact, $item, $nickname);
 317                         continue;
 318                 }
 319
 320                 if ($item["verb"] == NAMESPACE_OSTATUS."/unfollow") {
 321                         lose_follower($importer, $contact, $item, $dummy);
 322                         continue;
 323                 }
 324
 325                 if ($item["verb"] == ACTIVITY_FAVORITE) {
 326                         $orig_uri = $xpath->query("activity:object/atom:id", $entry)->item(0)->nodeValue;
 327                         logger("Favorite ".$orig_uri." ".print_r($item, true));
 328
 329                         $item["verb"] = ACTIVITY_LIKE;
 330                         $item["parent-uri"] = $orig_uri;
 331                         $item["gravity"] = GRAVITY_LIKE;
 332                 }
 333
 334                 if ($item["verb"] == NAMESPACE_OSTATUS."/unfavorite") {
 335                         // Ignore "Unfavorite" message
 336                         logger("Ignore unfavorite message ".print_r($item, true));
 337                         continue;
 338                 }
 339
 340                 // http://activitystrea.ms/schema/1.0/rsvp-yes
 341                 if (!in_array($item["verb"], array(ACTIVITY_POST, ACTIVITY_LIKE, ACTIVITY_SHARE)))
 342                         logger("Unhandled verb ".$item["verb"]." ".print_r($item, true));
 343
 344                 $item["created"] = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
 345                 $item["edited"] = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
 346                 $conversation = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
 347
 348                 $related = "";
 349
 350                 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
 351                 if (is_object($inreplyto->item(0))) {
 352                         foreach($inreplyto->item(0)->attributes AS $attributes) {
 353                                 if ($attributes->name == "ref")
 354                                         $item["parent-uri"] = $attributes->textContent;
 355                                 if ($attributes->name == "href")
 356                                         $related = $attributes->textContent;
 357                         }
 358                 }
 359
 360                 $georsspoint = $xpath->query('georss:point', $entry);
 361                 if ($georsspoint)
 362                         $item["coord"] = $georsspoint->item(0)->nodeValue;
 363
 364                 /// @TODO
 365                 /// $item["location"] =
 366
 367                 $categories = $xpath->query('atom:category', $entry);
 368                 if ($categories) {
 369                         foreach ($categories AS $category) {
 370                                 foreach($category->attributes AS $attributes)
 371                                         if ($attributes->name == "term") {
 372                                                 $term = $attributes->textContent;
 373                                                 if(strlen($item["tag"]))
 374                                                         $item["tag"] .= ',';
 375                                                 $item["tag"] .= "#[url=".$a->get_baseurl()."/search?tag=".$term."]".$term."[/url]";
 376                                         }
 377                         }
 378                 }
 379
 380                 $self = "";
 381                 $enclosure = "";
 382
 383                 $links = $xpath->query('atom:link', $entry);
 384                 if ($links) {
 385                         $rel = "";
 386                         $href = "";
 387                         $type = "";
 388                         $length = "0";
 389                         $title = "";
 390                         foreach ($links AS $link) {
 391                                 foreach($link->attributes AS $attributes) {
 392                                         if ($attributes->name == "href")
 393                                                 $href = $attributes->textContent;
 394                                         if ($attributes->name == "rel")
 395                                                 $rel = $attributes->textContent;
 396                                         if ($attributes->name == "type")
 397                                                 $type = $attributes->textContent;
 398                                         if ($attributes->name == "length")
 399                                                 $length = $attributes->textContent;
 400                                         if ($attributes->name == "title")
 401                                                 $title = $attributes->textContent;
 402                                 }
 403                                 if (($rel != "") AND ($href != ""))
 404                                         switch($rel) {
 405                                                 case "alternate":
 406                                                         $item["plink"] = $href;
 407                                                         if (($item["object-type"] == ACTIVITY_OBJ_QUESTION) OR
 408                                                                 ($item["object-type"] == ACTIVITY_OBJ_EVENT))
 409                                                                 $item["body"] .= add_page_info($href);
 410                                                         break;
 411                                                 case "ostatus:conversation":
 412                                                         $conversation = $href;
 413                                                         break;
 414                                                 case "enclosure":
 415                                                         $enclosure = $href;
 416                                                         if(strlen($item["attach"]))
 417                                                                 $item["attach"] .= ',';
 418
 419                                                         $item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'" title="'.$title.'"[/attach]';
 420                                                         break;
 421                                                 case "related":
 422                                                         if ($item["object-type"] != ACTIVITY_OBJ_BOOKMARK) {
 423                                                                 if (!isset($item["parent-uri"]))
 424                                                                         $item["parent-uri"] = $href;
 425
 426                                                                 if ($related == "")
 427                                                                         $related = $href;
 428                                                         } else
 429                                                                 $item["body"] .= add_page_info($href);
 430                                                         break;
 431                                                 case "self":
 432                                                         $self = $href;
 433                                                         break;
 434                                                 case "mentioned":
 435                                                         // Notification check
 436                                                         if ($importer["nurl"] == normalise_link($href))
 437                                                                 $mention = true;
 438                                                         break;
 439                                         }
 440                         }
 441                 }
 442
 443                 $local_id = "";
 444                 $repeat_of = "";
 445
 446                 $notice_info = $xpath->query('statusnet:notice_info', $entry);
 447                 if ($notice_info AND ($notice_info->length > 0)) {
 448                         foreach($notice_info->item(0)->attributes AS $attributes) {
 449                                 if ($attributes->name == "source")
 450                                         $item["app"] = strip_tags($attributes->textContent);
 451                                 if ($attributes->name == "local_id")
 452                                         $local_id = $attributes->textContent;
 453                                 if ($attributes->name == "repeat_of")
 454                                         $repeat_of = $attributes->textContent;
 455                         }
 456                 }
 457
 458                 // Is it a repeated post?
 459                 if ($repeat_of != "") {
 460                         $activityobjects = $xpath->query('activity:object', $entry)->item(0);
 461
 462                         if (is_object($activityobjects)) {
 463
 464                                 $orig_uri = $xpath->query("activity:object/atom:id", $activityobjects)->item(0)->nodeValue;
 465                                 if (!isset($orig_uri))
 466                                         $orig_uri = $xpath->query('atom:id/text()', $activityobjects)->item(0)->nodeValue;
 467
 468                                 $orig_links = $xpath->query("activity:object/atom:link[@rel='alternate']", $activityobjects);
 469                                 if ($orig_links AND ($orig_links->length > 0))
 470                                         foreach($orig_links->item(0)->attributes AS $attributes)
 471                                                 if ($attributes->name == "href")
 472                                                         $orig_link = $attributes->textContent;
 473
 474                                 if (!isset($orig_link))
 475                                         $orig_link = $xpath->query("atom:link[@rel='alternate']", $activityobjects)->item(0)->nodeValue;
 476
 477                                 if (!isset($orig_link))
 478                                         $orig_link =  ostatus_convert_href($orig_uri);
 479
 480                                 $orig_body = $xpath->query('activity:object/atom:content/text()', $activityobjects)->item(0)->nodeValue;
 481                                 if (!isset($orig_body))
 482                                         $orig_body = $xpath->query('atom:content/text()', $activityobjects)->item(0)->nodeValue;
 483
 484                                 $orig_created = $xpath->query('atom:published/text()', $activityobjects)->item(0)->nodeValue;
 485
 486                                 $orig_contact = $contact;
 487                                 $orig_author = ostatus_fetchauthor($xpath, $activityobjects, $importer, $orig_contact, false);
 488
 489                                 //if (!intval(get_config('system','wall-to-wall_share'))) {
 490                                 //      $prefix = share_header($orig_author['author-name'], $orig_author['author-link'], $orig_author['author-avatar'], "", $orig_created, $orig_link);
 491                                 //      $item["body"] = $prefix.add_page_info_to_body(html2bbcode($orig_body))."[/share]";
 492                                 //} else {
 493                                         $item["author-name"] = $orig_author["author-name"];
 494                                         $item["author-link"] = $orig_author["author-link"];
 495                                         $item["author-avatar"] = $orig_author["author-avatar"];
 496                                         $item["body"] = add_page_info_to_body(html2bbcode($orig_body));
 497                                         $item["created"] = $orig_created;
 498
 499                                         $item["uri"] = $orig_uri;
 500                                         $item["plink"] = $orig_link;
 501                                 //}
 502
 503                                 $item["verb"] = $xpath->query('activity:verb/text()', $activityobjects)->item(0)->nodeValue;
 504
 505                                 $item["object-type"] = $xpath->query('activity:object/activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
 506                                 if (!isset($item["object-type"]))
 507                                         $item["object-type"] = $xpath->query('activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
 508                         }
 509                 }
 510
 511                 //if ($enclosure != "")
 512                 //      $item["body"] .= add_page_info($enclosure);
 513
 514                 if (isset($item["parent-uri"])) {
 515                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 516                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
 517
 518                         if (!$r AND ($related != "")) {
 519                                 $reply_path = str_replace("/notice/", "/api/statuses/show/", $related).".atom";
 520
 521                                 if ($reply_path != $related) {
 522                                         logger("Fetching related items for user ".$importer["uid"]." from ".$reply_path, LOGGER_DEBUG);
 523                                         $reply_xml = fetch_url($reply_path);
 524
 525                                         $reply_contact = $contact;
 526                                         ostatus_import($reply_xml,$importer,$reply_contact, $reply_hub);
 527
 528                                         // After the import try to fetch the parent item again
 529                                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 530                                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
 531                                 }
 532                         }
 533                         if ($r) {
 534                                 $item["type"] = 'remote-comment';
 535                                 $item["gravity"] = GRAVITY_COMMENT;
 536                         }
 537                 } else
 538                         $item["parent-uri"] = $item["uri"];
 539
 540                 $item_id = ostatus_completion($conversation, $importer["uid"], $item, $self);
 541
 542                 if (!$item_id) {
 543                         logger("Error storing item", LOGGER_DEBUG);
 544                         continue;
 545                 }
 546
 547                 logger("Item was stored with id ".$item_id, LOGGER_DEBUG);
 548         }
 549 }
 550
 551 function ostatus_convert_href($href) {
 552         $elements = explode(":",$href);
 553
 554         if ((count($elements) <= 2) OR ($elements[0] != "tag"))
 555                 return $href;
 556
 557         $server = explode(",", $elements[1]);
 558         $conversation = explode("=", $elements[2]);
 559
 560         if ((count($elements) == 4) AND ($elements[2] == "post"))
 561                 return "http://".$server[0]."/notice/".$elements[3];
 562
 563         if ((count($conversation) != 2) OR ($conversation[1] ==""))
 564                 return $href;
 565
 566         if ($elements[3] == "objectType=thread")
 567                 return "http://".$server[0]."/conversation/".$conversation[1];
 568         else
 569                 return "http://".$server[0]."/notice/".$conversation[1];
 570
 571         return $href;
 572 }
 573
 574 function check_conversations($mentions = false, $override = false) {
 575         $last = get_config('system','ostatus_last_poll');
 576
 577         $poll_interval = intval(get_config('system','ostatus_poll_interval'));
 578         if(! $poll_interval)
 579                 $poll_interval = OSTATUS_DEFAULT_POLL_INTERVAL;
 580
 581         // Don't poll if the interval is set negative
 582         if (($poll_interval < 0) AND !$override)
 583                 return;
 584
 585         if (!$mentions) {
 586                 $poll_timeframe = intval(get_config('system','ostatus_poll_timeframe'));
 587                 if (!$poll_timeframe)
 588                         $poll_timeframe = OSTATUS_DEFAULT_POLL_TIMEFRAME;
 589         } else {
 590                 $poll_timeframe = intval(get_config('system','ostatus_poll_timeframe'));
 591                 if (!$poll_timeframe)
 592                         $poll_timeframe = OSTATUS_DEFAULT_POLL_TIMEFRAME_MENTIONS;
 593         }
 594
 595
 596         if ($last AND !$override) {
 597                 $next = $last + ($poll_interval * 60);
 598                 if ($next > time()) {
 599                         logger('poll interval not reached');
 600                         return;
 601                 }
 602         }
 603
 604         logger('cron_start');
 605
 606         $start = date("Y-m-d H:i:s", time() - ($poll_timeframe * 60));
 607
 608         if ($mentions)
 609                 $conversations = q("SELECT `term`.`oid`, `term`.`url`, `term`.`uid` FROM `term`
 610                                         STRAIGHT_JOIN `thread` ON `thread`.`iid` = `term`.`oid` AND `thread`.`uid` = `term`.`uid`
 611                                         WHERE `term`.`type` = 7 AND `term`.`term` > '%s' AND `thread`.`mention`
 612                                         GROUP BY `term`.`url`, `term`.`uid` ORDER BY `term`.`term` DESC", dbesc($start));
 613         else
 614                 $conversations = q("SELECT `oid`, `url`, `uid` FROM `term`
 615                                         WHERE `type` = 7 AND `term` > '%s'
 616                                         GROUP BY `url`, `uid` ORDER BY `term` DESC", dbesc($start));
 617
 618         foreach ($conversations AS $conversation) {
 619                 ostatus_completion($conversation['url'], $conversation['uid']);
 620         }
 621
 622         logger('cron_end');
 623
 624         set_config('system','ostatus_last_poll', time());
 625 }
 626
 627 /**
 628  * @brief Updates the gcontact table with actor data from the conversation
 629  *
 630  * @param object $actor The actor object that contains the contact data
 631  */
 632 function ostatus_conv_fetch_actor($actor) {
 633
 634         // We set the generation to "3" since the data here is not as reliable as the data we get on other occasions
 635         $contact = array("network" => NETWORK_OSTATUS, "generation" => 3);
 636
 637         if (isset($actor->url))
 638                 $contact["url"] = $actor->url;
 639
 640         if (isset($actor->displayName))
 641                 $contact["name"] = $actor->displayName;
 642
 643         if (isset($actor->portablecontacts_net->displayName))
 644                 $contact["name"] = $actor->portablecontacts_net->displayName;
 645
 646         if (isset($actor->portablecontacts_net->preferredUsername))
 647                 $contact["nick"] = $actor->portablecontacts_net->preferredUsername;
 648
 649         if (isset($actor->id))
 650                 $contact["alias"] = $actor->id;
 651
 652         if (isset($actor->summary))
 653                 $contact["about"] = $actor->summary;
 654
 655         if (isset($actor->portablecontacts_net->note))
 656                 $contact["about"] = $actor->portablecontacts_net->note;
 657
 658         if (isset($actor->portablecontacts_net->addresses->formatted))
 659                 $contact["location"] = $actor->portablecontacts_net->addresses->formatted;
 660
 661
 662         if (isset($actor->image->url))
 663                 $contact["photo"] = $actor->image->url;
 664
 665         if (isset($actor->image->width))
 666                 $avatarwidth = $actor->image->width;
 667
 668         if (is_array($actor->status_net->avatarLinks))
 669                 foreach ($actor->status_net->avatarLinks AS $avatar) {
 670                         if ($avatarsize < $avatar->width) {
 671                                 $contact["photo"] = $avatar->url;
 672                                 $avatarsize = $avatar->width;
 673                         }
 674                 }
 675
 676         update_gcontact($contact);
 677 }
 678
 679 function ostatus_fetch_conversation($self, $conversation_url = "") {
 680
 681         if ($conversation_url != "") {
 682                 $elements = explode(":", $conversation_url);
 683
 684                 if ((count($elements) <= 2) OR ($elements[0] != "tag"))
 685                         return $conversation_url;
 686         }
 687
 688         if ($self == "")
 689                 return "";
 690
 691         $json = str_replace(".atom", ".json", $self);
 692
 693         $raw = fetch_url($json);
 694         if ($raw == "")
 695                 return "";
 696
 697         $data = json_decode($raw);
 698         if (!is_object($data))
 699                 return "";
 700
 701         $conversation_id = $data->statusnet_conversation_id;
 702
 703         $pos = strpos($self, "/api/statuses/show/");
 704         $base_url = substr($self, 0, $pos);
 705
 706         return $base_url."/conversation/".$conversation_id;
 707 }
 708
 709 function ostatus_completion($conversation_url, $uid, $item = array(), $self = "") {
 710
 711         $a = get_app();
 712
 713         $item_stored = -1;
 714
 715         //$conversation_url = ostatus_convert_href($conversation_url);
 716         $conversation_url = ostatus_fetch_conversation($self, $conversation_url);
 717
 718         // If the thread shouldn't be completed then store the item and go away
 719         // Don't do a completion on liked content
 720         if (((intval(get_config('system','ostatus_poll_interval')) == -2) AND (count($item) > 0)) OR
 721                 ($item["verb"] == ACTIVITY_LIKE) OR ($conversation_url == "")) {
 722                 //$arr["app"] .= " (OStatus-NoCompletion)";
 723                 $item_stored = item_store($item, true);
 724                 return($item_stored);
 725         }
 726
 727         // Get the parent
 728         $parents = q("SELECT `id`, `parent`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `id` IN
 729                         (SELECT `parent` FROM `item` WHERE `id` IN
 730                                 (SELECT `oid` FROM `term` WHERE `uid` = %d AND `otype` = %d AND `type` = %d AND `url` = '%s'))",
 731                         intval($uid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION), dbesc($conversation_url));
 732
 733         if ($parents)
 734                 $parent = $parents[0];
 735         elseif (count($item) > 0) {
 736                 $parent = $item;
 737                 $parent["type"] = "remote";
 738                 $parent["verb"] = ACTIVITY_POST;
 739                 $parent["visible"] = 1;
 740         } else {
 741                 // Preset the parent
 742                 $r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid`=%d", $uid);
 743                 if (!$r)
 744                         return(-2);
 745
 746                 $parent = array();
 747                 $parent["id"] = 0;
 748                 $parent["parent"] = 0;
 749                 $parent["uri"] = "";
 750                 $parent["contact-id"] = $r[0]["id"];
 751                 $parent["type"] = "remote";
 752                 $parent["verb"] = ACTIVITY_POST;
 753                 $parent["visible"] = 1;
 754         }
 755
 756         $conv = str_replace("/conversation/", "/api/statusnet/conversation/", $conversation_url).".as";
 757         $pageno = 1;
 758         $items = array();
 759
 760         logger('fetching conversation url '.$conv.' (Self: '.$self.') for user '.$uid);
 761
 762         do {
 763                 $conv_arr = z_fetch_url($conv."?page=".$pageno);
 764
 765                 // If it is a non-ssl site and there is an error, then try ssl or vice versa
 766                 if (!$conv_arr["success"] AND (substr($conv, 0, 7) == "http://")) {
 767                         $conv = str_replace("http://", "https://", $conv);
 768                         $conv_as = fetch_url($conv."?page=".$pageno);
 769                 } elseif (!$conv_arr["success"] AND (substr($conv, 0, 8) == "https://")) {
 770                         $conv = str_replace("https://", "http://", $conv);
 771                         $conv_as = fetch_url($conv."?page=".$pageno);
 772                 } else
 773                         $conv_as = $conv_arr["body"];
 774
 775                 $conv_as = str_replace(',"statusnet:notice_info":', ',"statusnet_notice_info":', $conv_as);
 776                 $conv_as = json_decode($conv_as);
 777
 778                 $no_of_items = sizeof($items);
 779
 780                 if (@is_array($conv_as->items))
 781                         foreach ($conv_as->items AS $single_item)
 782                                 $items[$single_item->id] = $single_item;
 783
 784                 if ($no_of_items == sizeof($items))
 785                         break;
 786
 787                 $pageno++;
 788
 789         } while (true);
 790
 791         logger('fetching conversation done. Found '.count($items).' items');
 792
 793         if (!sizeof($items)) {
 794                 if (count($item) > 0) {
 795                         //$arr["app"] .= " (OStatus-NoConvFetched)";
 796                         $item_stored = item_store($item, true);
 797
 798                         if ($item_stored) {
 799                                 logger("Conversation ".$conversation_url." couldn't be fetched. Item uri ".$item["uri"]." stored: ".$item_stored, LOGGER_DEBUG);
 800                                 ostatus_store_conversation($item_id, $conversation_url);
 801                         }
 802
 803                         return($item_stored);
 804                 } else
 805                         return(-3);
 806         }
 807
 808         $items = array_reverse($items);
 809
 810         $r = q("SELECT `nurl` FROM `contact` WHERE `uid` = %d AND `self`", intval($uid));
 811         $importer = $r[0];
 812
 813         $new_parent = true;
 814
 815         foreach ($items as $single_conv) {
 816
 817                 // Update the gcontact table
 818                 ostatus_conv_fetch_actor($single_conv->actor);
 819
 820                 // Test - remove before flight
 821                 //$tempfile = tempnam(get_temppath(), "conversation");
 822                 //file_put_contents($tempfile, json_encode($single_conv));
 823
 824                 $mention = false;
 825
 826                 if (isset($single_conv->object->id))
 827                         $single_conv->id = $single_conv->object->id;
 828
 829                 $plink = ostatus_convert_href($single_conv->id);
 830                 if (isset($single_conv->object->url))
 831                         $plink = ostatus_convert_href($single_conv->object->url);
 832
 833                 if (@!$single_conv->id)
 834                         continue;
 835
 836                 logger("Got id ".$single_conv->id, LOGGER_DEBUG);
 837
 838                 if ($first_id == "") {
 839                         $first_id = $single_conv->id;
 840
 841                         // The first post of the conversation isn't our first post. There are three options:
 842                         // 1. Our conversation hasn't the "real" thread starter
 843                         // 2. This first post is a post inside our thread
 844                         // 3. This first post is a post inside another thread
 845                         if (($first_id != $parent["uri"]) AND ($parent["uri"] != "")) {
 846
 847                                 $new_parent = true;
 848
 849                                 $new_parents = q("SELECT `id`, `parent`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `id` IN
 850                                                         (SELECT `parent` FROM `item`
 851                                                                 WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s')) LIMIT 1",
 852                                         intval($uid), dbesc($first_id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
 853                                 if ($new_parents) {
 854                                         if ($new_parents[0]["parent"] == $parent["parent"]) {
 855                                                 // Option 2: This post is already present inside our thread - but not as thread starter
 856                                                 logger("Option 2: uri present in our thread: ".$first_id, LOGGER_DEBUG);
 857                                                 $first_id = $parent["uri"];
 858                                         } else {
 859                                                 // Option 3: Not so good. We have mixed parents. We have to see how to clean this up.
 860                                                 // For now just take the new parent.
 861                                                 $parent = $new_parents[0];
 862                                                 $first_id = $parent["uri"];
 863                                                 logger("Option 3: mixed parents for uri ".$first_id, LOGGER_DEBUG);
 864                                         }
 865                                 } else {
 866                                         // Option 1: We hadn't got the real thread starter
 867                                         // We have to clean up our existing messages.
 868                                         $parent["id"] = 0;
 869                                         $parent["uri"] = $first_id;
 870                                         logger("Option 1: we have a new parent: ".$first_id, LOGGER_DEBUG);
 871                                 }
 872                         } elseif ($parent["uri"] == "") {
 873                                 $parent["id"] = 0;
 874                                 $parent["uri"] = $first_id;
 875                         }
 876                 }
 877
 878                 $parent_uri = $parent["uri"];
 879
 880                 // "context" only seems to exist on older servers
 881                 if (isset($single_conv->context->inReplyTo->id)) {
 882                         $parent_exists = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
 883                                                 intval($uid), dbesc($single_conv->context->inReplyTo->id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
 884                         if ($parent_exists)
 885                                 $parent_uri = $single_conv->context->inReplyTo->id;
 886                 }
 887
 888                 // This is the current way
 889                 if (isset($single_conv->object->inReplyTo->id)) {
 890                         $parent_exists = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
 891                                                 intval($uid), dbesc($single_conv->object->inReplyTo->id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
 892                         if ($parent_exists)
 893                                 $parent_uri = $single_conv->object->inReplyTo->id;
 894                 }
 895
 896                 $message_exists = q("SELECT `id`, `parent`, `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
 897                                                 intval($uid), dbesc($single_conv->id),
 898                                                 dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
 899                 if ($message_exists) {
 900                         logger("Message ".$single_conv->id." already existed on the system", LOGGER_DEBUG);
 901
 902                         if ($parent["id"] != 0) {
 903                                 $existing_message = $message_exists[0];
 904
 905                                 // We improved the way we fetch OStatus messages, this shouldn't happen very often now
 906                                 /// @TODO We have to change the shadow copies as well. This way here is really ugly.
 907                                 if ($existing_message["parent"] != $parent["id"]) {
 908                                         logger('updating id '.$existing_message["id"].' with parent '.$existing_message["parent"].' to parent '.$parent["id"].' uri '.$parent["uri"].' thread '.$parent_uri, LOGGER_DEBUG);
 909
 910                                         // Update the parent id of the selected item
 911                                         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s' WHERE `id` = %d",
 912                                                 intval($parent["id"]), dbesc($parent["uri"]), intval($existing_message["id"]));
 913
 914                                         // Update the parent uri in the thread - but only if it points to itself
 915                                         $r = q("UPDATE `item` SET `thr-parent` = '%s' WHERE `id` = %d AND `uri` = `thr-parent`",
 916                                                 dbesc($parent_uri), intval($existing_message["id"]));
 917
 918                                         // try to change all items of the same parent
 919                                         $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s' WHERE `parent` = %d",
 920                                                 intval($parent["id"]), dbesc($parent["uri"]), intval($existing_message["parent"]));
 921
 922                                         // Update the parent uri in the thread - but only if it points to itself
 923                                         $r = q("UPDATE `item` SET `thr-parent` = '%s' WHERE (`parent` = %d) AND (`uri` = `thr-parent`)",
 924                                                 dbesc($parent["uri"]), intval($existing_message["parent"]));
 925
 926                                         // Now delete the thread
 927                                         delete_thread($existing_message["parent"]);
 928                                 }
 929                         }
 930
 931                         // The item we are having on the system is the one that we wanted to store via the item array
 932                         if (isset($item["uri"]) AND ($item["uri"] == $existing_message["uri"])) {
 933                                 $item = array();
 934                                 $item_stored = 0;
 935                         }
 936
 937                         continue;
 938                 }
 939
 940                 if (is_array($single_conv->to))
 941                         foreach($single_conv->to AS $to)
 942                                 if ($importer["nurl"] == normalise_link($to->id))
 943                                         $mention = true;
 944
 945                 $actor = $single_conv->actor->id;
 946                 if (isset($single_conv->actor->url))
 947                         $actor = $single_conv->actor->url;
 948
 949                 $contact = q("SELECT `id`, `rel` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
 950                                 $uid, normalise_link($actor), NETWORK_STATUSNET);
 951
 952                 if (count($contact)) {
 953                         logger("Found contact for url ".$actor, LOGGER_DEBUG);
 954                         $contact_id = $contact[0]["id"];
 955
 956                         $not_following = !in_array($contact[0]["rel"], array(CONTACT_IS_SHARING, CONTACT_IS_FRIEND));
 957                 } else {
 958                         logger("No contact found for url ".$actor, LOGGER_DEBUG);
 959
 960                         // Adding a global contact
 961                         /// @TODO Use this data for the post
 962                         $global_contact_id = get_contact($actor, 0);
 963
 964                         logger("Global contact ".$global_contact_id." found for url ".$actor, LOGGER_DEBUG);
 965
 966                         $contact_id = $parent["contact-id"];
 967
 968                         $not_following = true;
 969                 }
 970
 971                 // Do we only want to import threads that were started by our contacts?
 972                 if ($not_following AND $new_parent AND get_config('system','ostatus_full_threads')) {
 973                         logger("Don't import uri ".$first_id." because we don't follow the person ".$actor, LOGGER_DEBUG);
 974                         continue;
 975                 }
 976
 977                 $arr = array();
 978                 $arr["network"] = NETWORK_OSTATUS;
 979                 $arr["uri"] = $single_conv->id;
 980                 $arr["plink"] = $plink;
 981                 $arr["uid"] = $uid;
 982                 $arr["contact-id"] = $contact_id;
 983                 $arr["parent-uri"] = $parent_uri;
 984                 $arr["created"] = $single_conv->published;
 985                 $arr["edited"] = $single_conv->published;
 986                 $arr["owner-name"] = $single_conv->actor->displayName;
 987                 if ($arr["owner-name"] == '')
 988                         $arr["owner-name"] = $single_conv->actor->contact->displayName;
 989                 if ($arr["owner-name"] == '')
 990                         $arr["owner-name"] = $single_conv->actor->portablecontacts_net->displayName;
 991
 992                 $arr["owner-link"] = $actor;
 993                 $arr["owner-avatar"] = $single_conv->actor->image->url;
 994                 $arr["author-name"] = $arr["owner-name"];
 995                 $arr["author-link"] = $actor;
 996                 $arr["author-avatar"] = $single_conv->actor->image->url;
 997                 $arr["body"] = add_page_info_to_body(html2bbcode($single_conv->content));
 998
 999                 if (isset($single_conv->status_net->notice_info->source))
1000                         $arr["app"] = strip_tags($single_conv->status_net->notice_info->source);
1001                 elseif (isset($single_conv->statusnet->notice_info->source))
1002                         $arr["app"] = strip_tags($single_conv->statusnet->notice_info->source);
1003                 elseif (isset($single_conv->statusnet_notice_info->source))
1004                         $arr["app"] = strip_tags($single_conv->statusnet_notice_info->source);
1005                 elseif (isset($single_conv->provider->displayName))
1006                         $arr["app"] = $single_conv->provider->displayName;
1007                 else
1008                         $arr["app"] = "OStatus";
1009
1010                 //$arr["app"] .= " (Conversation)";
1011
1012                 $arr["object"] = json_encode($single_conv);
1013                 $arr["verb"] = $parent["verb"];
1014                 $arr["visible"] = $parent["visible"];
1015                 $arr["location"] = $single_conv->location->displayName;
1016                 $arr["coord"] = trim($single_conv->location->lat." ".$single_conv->location->lon);
1017
1018                 // Is it a reshared item?
1019                 if (isset($single_conv->verb) AND ($single_conv->verb == "share") AND isset($single_conv->object)) {
1020                         if (is_array($single_conv->object))
1021                                 $single_conv->object = $single_conv->object[0];
1022
1023                         logger("Found reshared item ".$single_conv->object->id);
1024
1025                         // $single_conv->object->context->conversation;
1026
1027                         if (isset($single_conv->object->object->id))
1028                                 $arr["uri"] = $single_conv->object->object->id;
1029                         else
1030                                 $arr["uri"] = $single_conv->object->id;
1031
1032                         if (isset($single_conv->object->object->url))
1033                                 $plink = ostatus_convert_href($single_conv->object->object->url);
1034                         else
1035                                 $plink = ostatus_convert_href($single_conv->object->url);
1036
1037                         if (isset($single_conv->object->object->content))
1038                                 $arr["body"] = add_page_info_to_body(html2bbcode($single_conv->object->object->content));
1039                         else
1040                                 $arr["body"] = add_page_info_to_body(html2bbcode($single_conv->object->content));
1041
1042                         $arr["plink"] = $plink;
1043
1044                         $arr["created"] = $single_conv->object->published;
1045                         $arr["edited"] = $single_conv->object->published;
1046
1047                         $arr["author-name"] = $single_conv->object->actor->displayName;
1048                         if ($arr["owner-name"] == '')
1049                                 $arr["author-name"] = $single_conv->object->actor->contact->displayName;
1050
1051                         $arr["author-link"] = $single_conv->object->actor->url;
1052                         $arr["author-avatar"] = $single_conv->object->actor->image->url;
1053
1054                         $arr["app"] = $single_conv->object->provider->displayName."#";
1055                         //$arr["verb"] = $single_conv->object->verb;
1056
1057                         $arr["location"] = $single_conv->object->location->displayName;
1058                         $arr["coord"] = trim($single_conv->object->location->lat." ".$single_conv->object->location->lon);
1059                 }
1060
1061                 if ($arr["location"] == "")
1062                         unset($arr["location"]);
1063
1064                 if ($arr["coord"] == "")
1065                         unset($arr["coord"]);
1066
1067                 // Copy fields from given item array
1068                 if (isset($item["uri"]) AND (($item["uri"] == $arr["uri"]) OR ($item["uri"] ==  $single_conv->id))) {
1069                         $copy_fields = array("owner-name", "owner-link", "owner-avatar", "author-name", "author-link", "author-avatar",
1070                                                 "gravity", "body", "object-type", "object", "verb", "created", "edited", "coord", "tag",
1071                                                 "title", "attach", "app", "type", "location", "contact-id", "uri");
1072                         foreach ($copy_fields AS $field)
1073                                 if (isset($item[$field]))
1074                                         $arr[$field] = $item[$field];
1075
1076                         //$arr["app"] .= " (OStatus)";
1077                 }
1078
1079                 $newitem = item_store($arr);
1080                 if (!$newitem) {
1081                         logger("Item wasn't stored ".print_r($arr, true), LOGGER_DEBUG);
1082                         continue;
1083                 }
1084
1085                 if (isset($item["uri"]) AND ($item["uri"] == $arr["uri"])) {
1086                         $item = array();
1087                         $item_stored = $newitem;
1088                 }
1089
1090                 logger('Stored new item '.$plink.' for parent '.$arr["parent-uri"].' under id '.$newitem, LOGGER_DEBUG);
1091
1092                 // Add the conversation entry (but don't fetch the whole conversation)
1093                 ostatus_store_conversation($newitem, $conversation_url);
1094
1095                 // If the newly created item is the top item then change the parent settings of the thread
1096                 // This shouldn't happen anymore. This is supposed to be absolote.
1097                 if ($arr["uri"] == $first_id) {
1098                         logger('setting new parent to id '.$newitem);
1099                         $new_parents = q("SELECT `id`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
1100                                 intval($uid), intval($newitem));
1101                         if ($new_parents)
1102                                 $parent = $new_parents[0];
1103                 }
1104         }
1105
1106         if (($item_stored < 0) AND (count($item) > 0)) {
1107                 //$arr["app"] .= " (OStatus-NoConvFound)";
1108                 $item_stored = item_store($item, true);
1109                 if ($item_stored) {
1110                         logger("Uri ".$item["uri"]." wasn't found in conversation ".$conversation_url, LOGGER_DEBUG);
1111                         ostatus_store_conversation($item_stored, $conversation_url);
1112                 }
1113         }
1114
1115         return($item_stored);
1116 }
1117
1118 function ostatus_store_conversation($itemid, $conversation_url) {
1119         global $a;
1120
1121         $conversation_url = ostatus_convert_href($conversation_url);
1122
1123         $messages = q("SELECT `uid`, `parent`, `created`, `received`, `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($itemid));
1124         if (!$messages)
1125                 return;
1126         $message = $messages[0];
1127
1128         // Store conversation url if not done before
1129         $conversation = q("SELECT `url` FROM `term` WHERE `uid` = %d AND `oid` = %d AND `otype` = %d AND `type` = %d",
1130                 intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION));
1131
1132         if (!$conversation) {
1133                 $r = q("INSERT INTO `term` (`uid`, `oid`, `otype`, `type`, `term`, `url`, `created`, `received`, `guid`) VALUES (%d, %d, %d, %d, '%s', '%s', '%s', '%s', '%s')",
1134                         intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION),
1135                         dbesc($message["created"]), dbesc($conversation_url), dbesc($message["created"]), dbesc($message["received"]), dbesc($message["guid"]));
1136                 logger('Storing conversation url '.$conversation_url.' for id '.$itemid);
1137         }
1138 }
1139
1140 function get_reshared_guid($item) {
1141         $body = trim($item["body"]);
1142
1143         // Skip if it isn't a pure repeated messages
1144         // Does it start with a share?
1145         if (strpos($body, "[share") > 0)
1146                 return("");
1147
1148         // Does it end with a share?
1149         if (strlen($body) > (strrpos($body, "[/share]") + 8))
1150                 return("");
1151
1152         $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
1153         // Skip if there is no shared message in there
1154         if ($body == $attributes)
1155                 return(false);
1156
1157         $guid = "";
1158         preg_match("/guid='(.*?)'/ism", $attributes, $matches);
1159         if ($matches[1] != "")
1160                 $guid = $matches[1];
1161
1162         preg_match('/guid="(.*?)"/ism', $attributes, $matches);
1163         if ($matches[1] != "")
1164                 $guid = $matches[1];
1165
1166         return $guid;
1167 }
1168
1169 function xml_create_element($doc, $element, $value = "", $attributes = array()) {
1170         $element = $doc->createElement($element, xmlify($value));
1171
1172         foreach ($attributes AS $key => $value) {
1173                 $attribute = $doc->createAttribute($key);
1174                 $attribute->value = xmlify($value);
1175                 $element->appendChild($attribute);
1176         }
1177         return $element;
1178 }
1179
1180 function xml_add_element($doc, $parent, $element, $value = "", $attributes = array()) {
1181         $element = xml_create_element($doc, $element, $value, $attributes);
1182         $parent->appendChild($element);
1183 }
1184
1185 function ostatus_format_picture_post($body) {
1186         $siteinfo = get_attached_data($body);
1187
1188         if (($siteinfo["type"] == "photo")) {
1189                 if (isset($siteinfo["preview"]))
1190                         $preview = $siteinfo["preview"];
1191                 else
1192                         $preview = $siteinfo["image"];
1193
1194                 // Is it a remote picture? Then make a smaller preview here
1195                 $preview = proxy_url($preview, false, PROXY_SIZE_SMALL);
1196
1197                 // Is it a local picture? Then make it smaller here
1198                 $preview = str_replace(array("-0.jpg", "-0.png"), array("-2.jpg", "-2.png"), $preview);
1199                 $preview = str_replace(array("-1.jpg", "-1.png"), array("-2.jpg", "-2.png"), $preview);
1200
1201                 if (isset($siteinfo["url"]))
1202                         $url = $siteinfo["url"];
1203                 else
1204                         $url = $siteinfo["image"];
1205
1206                 $body = trim($siteinfo["text"])." [url]".$url."[/url]\n[img]".$preview."[/img]";
1207         }
1208
1209         return $body;
1210 }
1211
1212 function ostatus_add_header($doc, $owner) {
1213         $a = get_app();
1214
1215         $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
1216         $doc->appendChild($root);
1217
1218         $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
1219         $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
1220         $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
1221         $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
1222         $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
1223         $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
1224         $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
1225
1226         $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
1227         xml_add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
1228         xml_add_element($doc, $root, "id", $a->get_baseurl()."/profile/".$owner["nick"]);
1229         xml_add_element($doc, $root, "title", sprintf("%s timeline", $owner["name"]));
1230         xml_add_element($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], $a->config["sitename"]));
1231         xml_add_element($doc, $root, "logo", $owner["photo"]);
1232         xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
1233
1234         $author = ostatus_add_author($doc, $owner);
1235         $root->appendChild($author);
1236
1237         $attributes = array("href" => $owner["url"], "rel" => "alternate", "type" => "text/html");
1238         xml_add_element($doc, $root, "link", "", $attributes);
1239
1240         /// @TODO We have to find out what this is
1241         /// $attributes = array("href" => $a->get_baseurl()."/sup",
1242         ///             "rel" => "http://api.friendfeed.com/2008/03#sup",
1243         ///             "type" => "application/json");
1244         /// xml_add_element($doc, $root, "link", "", $attributes);
1245
1246         ostatus_hublinks($doc, $root);
1247
1248         $attributes = array("href" => $a->get_baseurl()."/salmon/".$owner["nick"], "rel" => "salmon");
1249         xml_add_element($doc, $root, "link", "", $attributes);
1250
1251         $attributes = array("href" => $a->get_baseurl()."/salmon/".$owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-replies");
1252         xml_add_element($doc, $root, "link", "", $attributes);
1253
1254         $attributes = array("href" => $a->get_baseurl()."/salmon/".$owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-mention");
1255         xml_add_element($doc, $root, "link", "", $attributes);
1256
1257         $attributes = array("href" => $a->get_baseurl()."/api/statuses/user_timeline/".$owner["nick"].".atom",
1258                         "rel" => "self", "type" => "application/atom+xml");
1259         xml_add_element($doc, $root, "link", "", $attributes);
1260
1261         return $root;
1262 }
1263
1264 function ostatus_hublinks($doc, $root) {
1265         $a = get_app();
1266         $hub = get_config('system','huburl');
1267
1268         $hubxml = '';
1269         if(strlen($hub)) {
1270                 $hubs = explode(',', $hub);
1271                 if(count($hubs)) {
1272                         foreach($hubs as $h) {
1273                                 $h = trim($h);
1274                                 if(! strlen($h))
1275                                         continue;
1276                                 if ($h === '[internal]')
1277                                         $h = $a->get_baseurl() . '/pubsubhubbub';
1278                                 xml_add_element($doc, $root, "link", "", array("href" => $h, "rel" => "hub"));
1279                         }
1280                 }
1281         }
1282 }
1283
1284 function ostatus_get_attachment($doc, $root, $item) {
1285         $o = "";
1286         $siteinfo = get_attached_data($item["body"]);
1287
1288         switch($siteinfo["type"]) {
1289                 case 'link':
1290                         $attributes = array("rel" => "enclosure",
1291                                         "href" => $siteinfo["url"],
1292                                         "type" => "text/html; charset=UTF-8",
1293                                         "length" => "",
1294                                         "title" => $siteinfo["title"]);
1295                         xml_add_element($doc, $root, "link", "", $attributes);
1296                         break;
1297                 case 'photo':
1298                         $imgdata = get_photo_info($siteinfo["image"]);
1299                         $attributes = array("rel" => "enclosure",
1300                                         "href" => $siteinfo["image"],
1301                                         "type" => $imgdata["mime"],
1302                                         "length" => intval($imgdata["size"]));
1303                         xml_add_element($doc, $root, "link", "", $attributes);
1304                         break;
1305                 case 'video':
1306                         $attributes = array("rel" => "enclosure",
1307                                         "href" => $siteinfo["url"],
1308                                         "type" => "text/html; charset=UTF-8",
1309                                         "length" => "",
1310                                         "title" => $siteinfo["title"]);
1311                         xml_add_element($doc, $root, "link", "", $attributes);
1312                         break;
1313                 default:
1314                         break;
1315         }
1316
1317         if (($siteinfo["type"] != "photo") AND isset($siteinfo["image"])) {
1318                 $photodata = get_photo_info($siteinfo["image"]);
1319
1320                 $attributes = array("rel" => "preview", "href" => $siteinfo["image"], "media:width" => $photodata[0], "media:height" => $photodata[1]);
1321                 xml_add_element($doc, $root, "link", "", $attributes);
1322         }
1323
1324
1325         $arr = explode('[/attach],',$item['attach']);
1326         if(count($arr)) {
1327                 foreach($arr as $r) {
1328                         $matches = false;
1329                         $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches);
1330                         if($cnt) {
1331                                 $attributes = array("rel" => "enclosure",
1332                                                 "href" => $matches[1],
1333                                                 "type" => $matches[3]);
1334
1335                                 if(intval($matches[2]))
1336                                         $attributes["length"] = intval($matches[2]);
1337
1338                                 if(trim($matches[4]) != "")
1339                                         $attributes["title"] = trim($matches[4]);
1340
1341                                 xml_add_element($doc, $root, "link", "", $attributes);
1342                         }
1343                 }
1344         }
1345 }
1346
1347 function ostatus_add_author($doc, $owner) {
1348         $a = get_app();
1349
1350         $r = q("SELECT `homepage` FROM `profile` WHERE `uid` = %d AND `is-default` LIMIT 1", intval($owner["uid"]));
1351         if ($r)
1352                 $profile = $r[0];
1353
1354         $author = $doc->createElement("author");
1355         xml_add_element($doc, $author, "activity:object-type", ACTIVITY_OBJ_PERSON);
1356         xml_add_element($doc, $author, "uri", $owner["url"]);
1357         xml_add_element($doc, $author, "name", $owner["name"]);
1358
1359         $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $owner["url"]);
1360         xml_add_element($doc, $author, "link", "", $attributes);
1361
1362         $attributes = array(
1363                         "rel" => "avatar",
1364                         "type" => "image/jpeg", // To-Do?
1365                         "media:width" => 175,
1366                         "media:height" => 175,
1367                         "href" => $owner["photo"]);
1368         xml_add_element($doc, $author, "link", "", $attributes);
1369
1370         if (isset($owner["thumb"])) {
1371                 $attributes = array(
1372                                 "rel" => "avatar",
1373                                 "type" => "image/jpeg", // To-Do?
1374                                 "media:width" => 80,
1375                                 "media:height" => 80,
1376                                 "href" => $owner["thumb"]);
1377                 xml_add_element($doc, $author, "link", "", $attributes);
1378         }
1379
1380         xml_add_element($doc, $author, "poco:preferredUsername", $owner["nick"]);
1381         xml_add_element($doc, $author, "poco:displayName", $owner["name"]);
1382         xml_add_element($doc, $author, "poco:note", $owner["about"]);
1383
1384         if (trim($owner["location"]) != "") {
1385                 $element = $doc->createElement("poco:address");
1386                 xml_add_element($doc, $element, "poco:formatted", $owner["location"]);
1387                 $author->appendChild($element);
1388         }
1389
1390         if (trim($profile["homepage"]) != "") {
1391                 $urls = $doc->createElement("poco:urls");
1392                 xml_add_element($doc, $urls, "poco:type", "homepage");
1393                 xml_add_element($doc, $urls, "poco:value", $profile["homepage"]);
1394                 xml_add_element($doc, $urls, "poco:primary", "true");
1395                 $author->appendChild($urls);
1396         }
1397
1398         if (count($profile)) {
1399                 xml_add_element($doc, $author, "followers", "", array("url" => $a->get_baseurl()."/viewcontacts/".$owner["nick"]));
1400                 xml_add_element($doc, $author, "statusnet:profile_info", "", array("local_id" => $owner["uid"]));
1401         }
1402
1403         return $author;
1404 }
1405
1406 /**
1407  * @TODO Picture attachments should look like this:
1408  *      <a href="https://status.pirati.ca/attachment/572819" title="https://status.pirati.ca/file/heluecht-20151202T222602-rd3u49p.gif"
1409  *      class="attachment thumbnail" id="attachment-572819" rel="nofollow external">https://status.pirati.ca/attachment/572819</a>
1410  *
1411 */
1412
1413 function ostatus_entry($doc, $item, $owner, $toplevel = false, $repeat = false) {
1414         $a = get_app();
1415
1416         if (($item["id"] != $item["parent"]) AND (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
1417                 logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
1418         }
1419
1420         $is_repeat = false;
1421
1422 /*      if (!$repeat) {
1423                 $repeated_guid = get_reshared_guid($item);
1424
1425                 if ($repeated_guid != "") {
1426                         $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1427                                 intval($owner["uid"]), dbesc($repeated_guid));
1428                         if ($r) {
1429                                 $repeated_item = $r[0];
1430                                 $is_repeat = true;
1431                         }
1432                 }
1433         }
1434 */
1435         if (!$toplevel AND !$repeat) {
1436                 $entry = $doc->createElement("entry");
1437                 $title = sprintf("New note by %s", $owner["nick"]);
1438         } elseif (!$toplevel AND $repeat) {
1439                 $entry = $doc->createElement("activity:object");
1440                 $title = sprintf("New note by %s", $owner["nick"]);
1441         } else {
1442                 $entry = $doc->createElementNS(NAMESPACE_ATOM1, "entry");
1443
1444                 $entry->setAttribute("xmlns:thr", NAMESPACE_THREAD);
1445                 $entry->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
1446                 $entry->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
1447                 $entry->setAttribute("xmlns:media", NAMESPACE_MEDIA);
1448                 $entry->setAttribute("xmlns:poco", NAMESPACE_POCO);
1449                 $entry->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
1450                 $entry->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
1451
1452                 $author = ostatus_add_author($doc, $owner);
1453                 $entry->appendChild($author);
1454
1455                 $title = sprintf("New comment by %s", $owner["nick"]);
1456         }
1457
1458         // To use the object-type "bookmark" we have to implement these elements:
1459         //
1460         // <activity:object-type>http://activitystrea.ms/schema/1.0/bookmark</activity:object-type>
1461         // <title>Historic Rocket Landing</title>
1462         // <summary>Nur ein Testbeitrag.</summary>
1463         // <link rel="related" href="https://www.youtube.com/watch?v=9pillaOxGCo"/>
1464         // <link rel="preview" href="https://pirati.cc/file/thumb-4526-450x338-b48c8055f0c2fed0c3f67adc234c4b99484a90c42ed3cac73dc1081a4d0a7bc1.jpg.jpg" media:width="450" media:height="338"/>
1465         //
1466         // But: it seems as if it doesn't federate well between the GS servers
1467         // So we just set it to "note" to be sure that it reaches their target systems
1468
1469         if (!$repeat)
1470                 xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
1471         else
1472                 xml_add_element($doc, $entry, "activity:object-type", NAMESPACE_ACTIVITY_SCHEMA.'activity');
1473
1474         xml_add_element($doc, $entry, "id", $item["uri"]);
1475         xml_add_element($doc, $entry, "title", $title);
1476
1477         if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
1478                 $body = fix_private_photos($item['body'],$owner['uid'],$item, 0);
1479         else
1480                 $body = $item['body'];
1481
1482         $body = ostatus_format_picture_post($body);
1483
1484         if ($item['title'] != "")
1485                 $body = "[b]".$item['title']."[/b]\n\n".$body;
1486
1487         //$body = bb_remove_share_information($body);
1488         $body = bbcode($body, false, false, 7);
1489
1490         xml_add_element($doc, $entry, "content", $body, array("type" => "html"));
1491
1492         xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
1493                                                         "href" => $a->get_baseurl()."/display/".$item["guid"]));
1494
1495         xml_add_element($doc, $entry, "status_net", "", array("notice_id" => $item["id"]));
1496
1497         if (!$is_repeat)
1498                 xml_add_element($doc, $entry, "activity:verb", construct_verb($item));
1499         else
1500                 xml_add_element($doc, $entry, "activity:verb", ACTIVITY_SHARE);
1501
1502         xml_add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
1503         xml_add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
1504
1505         if ($is_repeat) {
1506                 $repeated_owner = array();
1507                 $repeated_owner["name"] = $repeated_item["author-name"];
1508                 $repeated_owner["url"] = $repeated_item["author-link"];
1509                 $repeated_owner["photo"] = $repeated_item["author-avatar"];
1510                 $repeated_owner["nick"] = $repeated_owner["name"];
1511                 $repeated_owner["location"] = "";
1512                 $repeated_owner["about"] = "";
1513                 $repeated_owner["uid"] = 0;
1514
1515                 // Fetch the missing data from the global contacts
1516                 $r =q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'", normalise_link($repeated_item["author-link"]));
1517                 if ($r) {
1518                         if ($r[0]["nick"] != "")
1519                                 $repeated_owner["nick"] = $r[0]["nick"];
1520
1521                         $repeated_owner["location"] = $r[0]["location"];
1522                         $repeated_owner["about"] = $r[0]["about"];
1523                 }
1524
1525                 $entry_repeat = ostatus_entry($doc, $repeated_item, $repeated_owner, false, true);
1526                 $entry->appendChild($entry_repeat);
1527         } elseif ($repeat) {
1528                 $author = ostatus_add_author($doc, $owner);
1529                 $entry->appendChild($author);
1530         }
1531
1532         $mentioned = array();
1533
1534         if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
1535                 $parent = q("SELECT `guid`, `author-link`, `owner-link` FROM `item` WHERE `id` = %d", intval($item["parent"]));
1536                 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
1537
1538                 $attributes = array(
1539                                 "ref" => $parent_item,
1540                                 "type" => "text/html",
1541                                 "href" => $a->get_baseurl()."/display/".$parent[0]["guid"]);
1542                 xml_add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
1543
1544                 $attributes = array(
1545                                 "rel" => "related",
1546                                 "href" => $a->get_baseurl()."/display/".$parent[0]["guid"]);
1547                 xml_add_element($doc, $entry, "link", "", $attributes);
1548
1549                 $mentioned[$parent[0]["author-link"]] = $parent[0]["author-link"];
1550                 $mentioned[$parent[0]["owner-link"]] = $parent[0]["owner-link"];
1551
1552                 $thrparent = q("SELECT `guid`, `author-link`, `owner-link` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
1553                                 intval($owner["uid"]),
1554                                 dbesc($parent_item));
1555                 if ($thrparent) {
1556                         $mentioned[$thrparent[0]["author-link"]] = $thrparent[0]["author-link"];
1557                         $mentioned[$thrparent[0]["owner-link"]] = $thrparent[0]["owner-link"];
1558                 }
1559         }
1560
1561         xml_add_element($doc, $entry, "link", "", array("rel" => "ostatus:conversation",
1562                                                         "href" => $a->get_baseurl()."/display/".$owner["nick"]."/".$item["parent"]));
1563         xml_add_element($doc, $entry, "ostatus:conversation", $a->get_baseurl()."/display/".$owner["nick"]."/".$item["parent"]);
1564
1565         $tags = item_getfeedtags($item);
1566
1567         if(count($tags))
1568                 foreach($tags as $t)
1569                         if ($t[0] == "@")
1570                                 $mentioned[$t[1]] = $t[1];
1571
1572         // Make sure that mentions are accepted (GNU Social has problems with mixing HTTP and HTTPS)
1573         $newmentions = array();
1574         foreach ($mentioned AS $mention) {
1575                 $newmentions[str_replace("http://", "https://", $mention)] = str_replace("http://", "https://", $mention);
1576                 $newmentions[str_replace("https://", "http://", $mention)] = str_replace("https://", "http://", $mention);
1577         }
1578         $mentioned = $newmentions;
1579
1580         foreach ($mentioned AS $mention) {
1581                 $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
1582                         intval($owner["uid"]),
1583                         dbesc(normalise_link($mention)));
1584                 if ($r[0]["forum"] OR $r[0]["prv"])
1585                         xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1586                                                                                 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1587                                                                                 "href" => $mention));
1588                 else
1589                         xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1590                                                                                 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1591                                                                                 "href" => $mention));
1592         }
1593
1594         if (!$item["private"])
1595                 xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1596                                                                 "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/collection",
1597                                                                 "href" => "http://activityschema.org/collection/public"));
1598
1599         if(count($tags))
1600                 foreach($tags as $t)
1601                         if ($t[0] != "@")
1602                                 xml_add_element($doc, $entry, "category", "", array("term" => $t[2]));
1603
1604         ostatus_get_attachment($doc, $entry, $item);
1605
1606         /// @TODO
1607         /// The API call has yet to be implemented
1608         //$attributes = array("href" => $a->get_baseurl()."/api/statuses/show/".$item["id"].".atom",
1609         //              "rel" => "self", "type" => "application/atom+xml");
1610         //xml_add_element($doc, $entry, "link", "", $attributes);
1611
1612         //$attributes = array("href" => $a->get_baseurl()."/api/statuses/show/".$item["id"].".atom",
1613         //              "rel" => "edit", "type" => "application/atom+xml");
1614         //xml_add_element($doc, $entry, "link", "", $attributes);
1615
1616         $app = $item["app"];
1617         if ($app == "")
1618                 $app = "web";
1619
1620
1621         $attributes = array("local_id" => $item["id"], "source" => $app);
1622         if ($is_repeat)
1623                 $attributes["repeat_of"] = $repeated_item["id"];
1624
1625         xml_add_element($doc, $entry, "statusnet:notice_info", "", $attributes);
1626
1627         return $entry;
1628 }
1629
1630 function ostatus_feed(&$a, $owner_nick, $last_update) {
1631
1632         $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
1633                         FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
1634                         WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
1635                         dbesc($owner_nick));
1636         if (!$r)
1637                 return;
1638
1639         $owner = $r[0];
1640
1641         if(!strlen($last_update))
1642                 $last_update = 'now -30 days';
1643
1644         $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
1645
1646         $items = q("SELECT STRAIGHT_JOIN `item`.*, `item`.`id` AS `item_id` FROM `item`
1647                         INNER JOIN `thread` ON `thread`.`iid` = `item`.`parent`
1648                         LEFT JOIN `item` AS `thritem` ON `thritem`.`uri`=`item`.`thr-parent` AND `thritem`.`uid`=`item`.`uid`
1649                         WHERE `item`.`uid` = %d AND `item`.`received` > '%s' AND NOT `item`.`private` AND NOT `item`.`deleted`
1650                                 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
1651                                 AND ((`item`.`wall` AND (`item`.`parent` = `item`.`id`))
1652                                         OR (`item`.`network` = '%s' AND ((`thread`.`network` IN ('%s', '%s')) OR (`thritem`.`network` IN ('%s', '%s')))) AND `thread`.`mention`)
1653                                 AND ((`item`.`owner-link` IN ('%s', '%s') AND (`item`.`parent` = `item`.`id`))
1654                                         OR (`item`.`author-link` IN ('%s', '%s')))
1655                         ORDER BY `item`.`received` DESC
1656                         LIMIT 0, 300",
1657                         intval($owner["uid"]), dbesc($check_date), dbesc(NETWORK_DFRN),
1658                         //dbesc(NETWORK_OSTATUS), dbesc(NETWORK_OSTATUS),
1659                         //dbesc(NETWORK_OSTATUS), dbesc(NETWORK_OSTATUS),
1660                         dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN),
1661                         dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN),
1662                         dbesc($owner["nurl"]), dbesc(str_replace("http://", "https://", $owner["nurl"])),
1663                         dbesc($owner["nurl"]), dbesc(str_replace("http://", "https://", $owner["nurl"]))
1664                 );
1665
1666         $doc = new DOMDocument('1.0', 'utf-8');
1667         $doc->formatOutput = true;
1668
1669         $root = ostatus_add_header($doc, $owner);
1670
1671         foreach ($items AS $item) {
1672                 $entry = ostatus_entry($doc, $item, $owner);
1673                 $root->appendChild($entry);
1674         }
1675
1676         return(trim($doc->saveXML()));
1677 }
1678
1679 function ostatus_salmon($item,$owner) {
1680
1681         $doc = new DOMDocument('1.0', 'utf-8');
1682         $doc->formatOutput = true;
1683
1684         $entry = ostatus_entry($doc, $item, $owner, true);
1685
1686         $doc->appendChild($entry);
1687
1688         return(trim($doc->saveXML()));
1689 }
1690 ?>