include/ostatus.php

   1 <?php
   2 require_once("mod/share.php");
   3 require_once('include/html2bbcode.php');
   4 require_once('include/enotify.php');
   5 require_once('include/items.php');
   6 require_once('include/ostatus_conversation.php');
   7
   8 function ostatus_fetchauthor($xpath, $context, $importer, &$contact) {
   9
  10         $author = array();
  11         $author["author-link"] = $xpath->evaluate('atom:author/atom:uri/text()', $context)->item(0)->nodeValue;
  12         $author["author-name"] = $xpath->evaluate('atom:author/atom:name/text()', $context)->item(0)->nodeValue;
  13
  14         // Preserve the value
  15         $authorlink = $author["author-link"];
  16
  17         $alternate = $xpath->query("atom:author/atom:link[@rel='alternate']", $context)->item(0)->attributes;
  18         if (is_object($alternate))
  19                 foreach($alternate AS $attributes)
  20                         if ($attributes->name == "href")
  21                                 $author["author-link"] = $attributes->textContent;
  22
  23         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` IN ('%s', '%s') AND `network` != '%s'",
  24                 intval($importer["uid"]), dbesc(normalise_link($author["author-link"])),
  25                 dbesc(normalise_link($authorlink)), dbesc(NETWORK_STATUSNET));
  26         if ($r) {
  27                 $contact = $r[0];
  28                 $author["contact-id"] = $r[0]["id"];
  29         } else
  30                 $author["contact-id"] = $contact["id"];
  31
  32         $avatarlist = array();
  33         $avatars = $xpath->query("atom:author/atom:link[@rel='avatar']", $context);
  34         foreach($avatars AS $avatar) {
  35                 $href = "";
  36                 $width = 0;
  37                 foreach($avatar->attributes AS $attributes) {
  38                         if ($attributes->name == "href")
  39                                 $href = $attributes->textContent;
  40                         if ($attributes->name == "width")
  41                                 $width = $attributes->textContent;
  42                 }
  43                 if (($width > 0) AND ($href != ""))
  44                         $avatarlist[$width] = $href;
  45         }
  46         if (count($avatarlist) > 0) {
  47                 krsort($avatarlist);
  48                 $author["author-avatar"] = current($avatarlist);
  49         }
  50
  51         $displayname = $xpath->evaluate('atom:author/poco:displayName/text()', $context)->item(0)->nodeValue;
  52         if ($displayname != "")
  53                 $author["author-name"] = $displayname;
  54
  55         $author["owner-name"] = $author["author-name"];
  56         $author["owner-link"] = $author["author-link"];
  57         $author["owner-avatar"] = $author["author-avatar"];
  58
  59         return($author);
  60 }
  61
  62 function ostatus_import($xml,$importer,&$contact, &$hub) {
  63
  64         // To-Do:
  65         // Hub
  66
  67         $a = get_app();
  68
  69         logger("Import OStatus message", LOGGER_DEBUG);
  70
  71         if ($xml == "")
  72                 return;
  73
  74         $doc = new DOMDocument();
  75         @$doc->loadXML($xml);
  76
  77         $xpath = new DomXPath($doc);
  78         $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
  79         $xpath->registerNamespace('thr', "http://purl.org/syndication/thread/1.0");
  80         $xpath->registerNamespace('georss', "http://www.georss.org/georss");
  81         $xpath->registerNamespace('activity', "http://activitystrea.ms/spec/1.0/");
  82         $xpath->registerNamespace('media', "http://purl.org/syndication/atommedia");
  83         $xpath->registerNamespace('poco', "http://portablecontacts.net/spec/1.0");
  84         $xpath->registerNamespace('ostatus', "http://ostatus.org/schema/1.0");
  85         $xpath->registerNamespace('statusnet', "http://status.net/schema/api/1/");
  86
  87         $gub = "";
  88         $hub_attributes = $xpath->query("/atom:feed/atom:link[@rel='hub']")->item(0)->attributes;
  89         if (is_object($hub_attributes))
  90                 foreach($hub_attributes AS $hub_attribute)
  91                         if ($hub_attribute->name == "href") {
  92                                 $hub = $hub_attribute->textContent;
  93                                 logger("Found hub ".$hub, LOGGER_DEBUG);
  94                         }
  95
  96         $header = array();
  97         $header["uid"] = $importer["uid"];
  98         $header["network"] = NETWORK_OSTATUS;
  99         $header["type"] = "remote";
 100         $header["wall"] = 0;
 101         $header["origin"] = 0;
 102         $header["gravity"] = GRAVITY_PARENT;
 103
 104         // it could either be a received post or a post we fetched by ourselves
 105         // depending on that, the first node is different
 106         $first_child = $doc->firstChild->tagName;
 107
 108         if ($first_child == "feed")
 109                 $entries = $xpath->query('/atom:feed/atom:entry');
 110         else
 111                 $entries = $xpath->query('/atom:entry');
 112
 113         $conversation = "";
 114         $conversationlist = array();
 115         $item_id = 0;
 116
 117         // Reverse the order of the entries
 118         $entrylist = array();
 119
 120         foreach ($entries AS $entry)
 121                 $entrylist[] = $entry;
 122
 123         foreach (array_reverse($entrylist) AS $entry) {
 124
 125                 $mention = false;
 126
 127                 // fetch the author
 128                 if ($first_child == "feed")
 129                         $author = ostatus_fetchauthor($xpath, $doc->firstChild, $importer, $contact);
 130                 else
 131                         $author = ostatus_fetchauthor($xpath, $entry, $importer, $contact);
 132
 133                 $item = array_merge($header, $author);
 134
 135                 // Now get the item
 136                 $item["uri"] = $xpath->query('atom:id/text()', $entry)->item(0)->nodeValue;
 137
 138                 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 139                         intval($importer["uid"]), dbesc($item["uri"]));
 140                 if ($r) {
 141                         logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already existed under id ".$r[0]["id"], LOGGER_DEBUG);
 142                         continue;
 143                 }
 144
 145                 $item["body"] = add_page_info_to_body(html2bbcode($xpath->query('atom:content/text()', $entry)->item(0)->nodeValue));
 146                 $item["object-type"] = $xpath->query('activity:object-type/text()', $entry)->item(0)->nodeValue;
 147                 $item["verb"] = $xpath->query('activity:verb/text()', $entry)->item(0)->nodeValue;
 148
 149                 if ($item["verb"] == ACTIVITY_FOLLOW) {
 150                         // ignore "Follow" messages
 151                         continue;
 152                 }
 153
 154                 if ($item["verb"] == ACTIVITY_FAVORITE) {
 155                         // ignore "Favorite" messages
 156                         continue;
 157                 }
 158
 159                 $item["created"] = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
 160                 $item["edited"] = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
 161                 $conversation = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
 162
 163                 $related = "";
 164
 165                 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
 166                 if (is_object($inreplyto->item(0))) {
 167                         foreach($inreplyto->item(0)->attributes AS $attributes) {
 168                                 if ($attributes->name == "ref")
 169                                         $item["parent-uri"] = $attributes->textContent;
 170                                 if ($attributes->name == "href")
 171                                         $related = $attributes->textContent;
 172                         }
 173                 }
 174
 175                 $georsspoint = $xpath->query('georss:point', $entry);
 176                 if ($georsspoint)
 177                         $item["coord"] = $georsspoint->item(0)->nodeValue;
 178
 179                 $categories = $xpath->query('atom:category', $entry);
 180                 if ($categories) {
 181                         foreach ($categories AS $category) {
 182                                 foreach($category->attributes AS $attributes)
 183                                         if ($attributes->name == "term") {
 184                                                 $term = $attributes->textContent;
 185                                                 if(strlen($item["tag"]))
 186                                                         $item["tag"] .= ',';
 187                                                 $item["tag"] .= "#[url=".$a->get_baseurl()."/search?tag=".$term."]".$term."[/url]";
 188                                         }
 189                         }
 190                 }
 191
 192                 $self = "";
 193                 $enclosure = "";
 194
 195                 $links = $xpath->query('atom:link', $entry);
 196                 if ($links) {
 197                         $rel = "";
 198                         $href = "";
 199                         $type = "";
 200                         $length = "0";
 201                         $title = "";
 202                         foreach ($links AS $link) {
 203                                 foreach($link->attributes AS $attributes) {
 204                                         if ($attributes->name == "href")
 205                                                 $href = $attributes->textContent;
 206                                         if ($attributes->name == "rel")
 207                                                 $rel = $attributes->textContent;
 208                                         if ($attributes->name == "type")
 209                                                 $type = $attributes->textContent;
 210                                         if ($attributes->name == "length")
 211                                                 $length = $attributes->textContent;
 212                                         if ($attributes->name == "title")
 213                                                 $title = $attributes->textContent;
 214                                 }
 215                                 if (($rel != "") AND ($href != ""))
 216                                         switch($rel) {
 217                                                 case "alternate":
 218                                                         $item["plink"] = $href;
 219                                                         break;
 220                                                 case "ostatus:conversation":
 221                                                         $conversation = $href;
 222                                                         break;
 223                                                 case "enclosure":
 224                                                         $enclosure = $href;
 225                                                         if(strlen($item["attach"]))
 226                                                                 $item["attach"] .= ',';
 227
 228                                                         $item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'" title="'.$title.'"[/attach]';
 229                                                         break;
 230                                                 case "related":
 231                                                         if (!isset($item["parent-uri"]))
 232                                                                 $item["parent-uri"] = $href;
 233
 234                                                         if ($related == "")
 235                                                                 $related = $href;
 236                                                         break;
 237                                                 case "self":
 238                                                         $self = $href;
 239                                                         break;
 240                                                 case "mentioned":
 241                                                         // Notification check
 242                                                         if ($importer["nurl"] == normalise_link($href))
 243                                                                 $mention = true;
 244                                                         break;
 245                                         }
 246                         }
 247                 }
 248
 249                 $local_id = "";
 250                 $repeat_of = "";
 251
 252                 $notice_info = $xpath->query('statusnet:notice_info', $entry);
 253                 if ($notice_info)
 254                         foreach($notice_info->item(0)->attributes AS $attributes) {
 255                                 if ($attributes->name == "source")
 256                                         $item["app"] = strip_tags($attributes->textContent);
 257                                 if ($attributes->name == "local_id")
 258                                         $local_id = $attributes->textContent;
 259                                 if ($attributes->name == "repeat_of")
 260                                         $repeat_of = $attributes->textContent;
 261                         }
 262
 263                 // Is it a repeated post?
 264                 if ($repeat_of != "") {
 265                         $activityobjects = $xpath->query('activity:object', $entry)->item(0);
 266
 267                         if (is_object($activityobjects)) {
 268
 269                                 $orig_uris = $xpath->query("activity:object/atom:link[@rel='alternate']", $activityobjects);
 270                                 if ($orig_uris)
 271                                         foreach($orig_uris->item(0)->attributes AS $attributes)
 272                                                 if ($attributes->name == "href")
 273                                                         $orig_uri = $attributes->textContent;
 274
 275                                 if (!isset($orig_uri))
 276                                         $orig_uri = $xpath->query("atom:link[@rel='alternate']", $activityobjects)->item(0)->nodeValue;
 277
 278                                 if (!isset($orig_uri))
 279                                         $orig_uri = $xpath->query("activity:object/atom:id", $activityobjects)->item(0)->nodeValue;
 280
 281                                 if (!isset($orig_uri))
 282                                         $orig_uri = $xpath->query('atom:id/text()', $activityobjects)->item(0)->nodeValue;
 283
 284                                 $orig_body = $xpath->query('atom:content/text()', $activityobjects)->item(0)->nodeValue;
 285                                 $orig_created = $xpath->query('atom:published/text()', $activityobjects)->item(0)->nodeValue;
 286
 287                                 $orig_contact = $contact;
 288                                 $orig_author = ostatus_fetchauthor($xpath, $activityobjects, $importer, $orig_contact);
 289
 290                                 $prefix = share_header($orig_author['author-name'], $orig_author['author-link'], $orig_author['author-avatar'], "", $orig_created, $orig_uri);
 291                                 $item["body"] = $prefix.html2bbcode($orig_body)."[/share]";
 292
 293                                 $item["verb"] = $xpath->query('activity:verb/text()', $activityobjects)->item(0)->nodeValue;
 294                                 $item["object-type"] = $xpath->query('activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
 295                         }
 296                 }
 297
 298                 //if ($enclosure != "")
 299                 //      $item["body"] .= add_page_info($enclosure);
 300
 301                 if (isset($item["parent-uri"])) {
 302                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 303                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
 304
 305                         if (!$r AND ($related != "")) {
 306                                 $reply_path = str_replace("/notice/", "/api/statuses/show/", $related).".atom";
 307
 308                                 if ($reply_path != $related) {
 309                                         logger("Fetching related items for user ".$importer["uid"]." from ".$reply_path, LOGGER_DEBUG);
 310                                         $reply_xml = fetch_url($reply_path);
 311
 312                                         $reply_contact = $contact;
 313                                         ostatus_import($reply_xml,$importer,$reply_contact, $reply_hub);
 314
 315                                         // After the import try to fetch the parent item again
 316                                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 317                                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
 318                                 }
 319                         }
 320                         if ($r) {
 321                                 $item["type"] = 'remote-comment';
 322                                 $item["gravity"] = GRAVITY_COMMENT;
 323                         }
 324                 } else
 325                         $item["parent-uri"] = $item["uri"];
 326
 327                 $item_id = item_store($item);
 328                 //echo $xml;
 329                 //print_r($item);
 330                 //echo $item_id." ".$item["parent-uri"]."\n";
 331
 332                 if (!$item_id) {
 333                         logger("Error storing item ".print_r($item, true), LOGGER_DEBUG);
 334                         continue;
 335                 }
 336
 337                 logger("Item was stored with id ".$item_id, LOGGER_DEBUG);
 338                 $item["id"] = $item_id;
 339
 340                 if (!isset($item["parent"]) OR ($item["parent"] == 0))
 341                         $item["parent"] = $item_id;
 342
 343                 if ($mention) {
 344                         $u = q("SELECT `notify-flags`, `language`, `username`, `email` FROM user WHERE uid = %d LIMIT 1", intval($item['uid']));
 345
 346                         notification(array(
 347                                 'type'         => NOTIFY_TAGSELF,
 348                                 'notify_flags' => $u[0]["notify-flags"],
 349                                 'language'     => $u[0]["language"],
 350                                 'to_name'      => $u[0]["username"],
 351                                 'to_email'     => $u[0]["email"],
 352                                 'uid'          => $item["uid"],
 353                                 'item'         => $item,
 354                                 'link'         => $a->get_baseurl().'/display/'.urlencode(get_item_guid($item["id"])),
 355                                 'source_name'  => $item["author-name"],
 356                                 'source_link'  => $item["author-link"],
 357                                 'source_photo' => $item["author-avatar"],
 358                                 'verb'         => ACTIVITY_TAG,
 359                                 'otype'        => 'item',
 360                                 'parent'       => $item["parent"]
 361                         ));
 362                 }
 363
 364                 if ($conversation != "") {
 365                         // Check for duplicates. We really don't need to check the same conversation twice.
 366                         if (!in_array($conversation, $conversationlist)) {
 367                                 complete_conversation($item_id, $conversation);
 368                                 $conversationlist[] = $conversation;
 369                         }
 370                 }
 371         }
 372 }