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