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         $header = array();
  88         $header["uid"] = $importer["uid"];
  89         $header["network"] = NETWORK_OSTATUS;
  90         $header["type"] = "remote";
  91         $header["wall"] = 0;
  92         $header["origin"] = 0;
  93         $header["gravity"] = GRAVITY_PARENT;
  94
  95         // it could either be a received post or a post we fetched by ourselves
  96         // depending on that, the first node is different
  97         $first_child = $doc->firstChild->tagName;
  98
  99         if ($first_child == "feed")
 100                 $entries = $xpath->query('/atom:feed/atom:entry');
 101         else
 102                 $entries = $xpath->query('/atom:entry');
 103
 104         $conversation = "";
 105         $conversationlist = array();
 106         $item_id = 0;
 107
 108         // Reverse the order of the entries
 109         $entrylist = array();
 110
 111         foreach ($entries AS $entry)
 112                 $entrylist[] = $entry;
 113
 114         foreach (array_reverse($entrylist) AS $entry) {
 115
 116                 $mention = false;
 117
 118                 // fetch the author
 119                 if ($first_child == "feed")
 120                         $author = ostatus_fetchauthor($xpath, $doc->firstChild, $importer, $contact);
 121                 else
 122                         $author = ostatus_fetchauthor($xpath, $entry, $importer, $contact);
 123
 124                 $item = array_merge($header, $author);
 125
 126                 // Now get the item
 127                 $item["uri"] = $xpath->query('atom:id/text()', $entry)->item(0)->nodeValue;
 128
 129                 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 130                         intval($importer["uid"]), dbesc($item["uri"]));
 131                 if ($r) {
 132                         logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already existed under id ".$r[0]["id"], LOGGER_DEBUG);
 133                         continue;
 134                 }
 135
 136                 $item["body"] = add_page_info_to_body(html2bbcode($xpath->query('atom:content/text()', $entry)->item(0)->nodeValue));
 137                 $item["object-type"] = $xpath->query('activity:object-type/text()', $entry)->item(0)->nodeValue;
 138                 $item["verb"] = $xpath->query('activity:verb/text()', $entry)->item(0)->nodeValue;
 139
 140                 if ($item["verb"] == ACTIVITY_FOLLOW) {
 141                         // ignore "Follow" messages
 142                         continue;
 143                 }
 144
 145                 if ($item["verb"] == ACTIVITY_FAVORITE) {
 146                         // ignore "Favorite" messages
 147                         continue;
 148                 }
 149
 150                 $item["created"] = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
 151                 $item["edited"] = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
 152                 $conversation = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
 153
 154                 $related = "";
 155
 156                 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
 157                 if (is_object($inreplyto->item(0))) {
 158                         foreach($inreplyto->item(0)->attributes AS $attributes) {
 159                                 if ($attributes->name == "ref")
 160                                         $item["parent-uri"] = $attributes->textContent;
 161                                 if ($attributes->name == "href")
 162                                         $related = $attributes->textContent;
 163                         }
 164                 }
 165
 166                 $georsspoint = $xpath->query('georss:point', $entry);
 167                 if ($georsspoint)
 168                         $item["coord"] = $georsspoint->item(0)->nodeValue;
 169
 170                 $categories = $xpath->query('atom:category', $entry);
 171                 if ($categories) {
 172                         foreach ($categories AS $category) {
 173                                 foreach($category->attributes AS $attributes)
 174                                         if ($attributes->name == "term") {
 175                                                 $term = $attributes->textContent;
 176                                                 if(strlen($item["tag"]))
 177                                                         $item["tag"] .= ',';
 178                                                 $item["tag"] .= "#[url=".$a->get_baseurl()."/search?tag=".$term."]".$term."[/url]";
 179                                         }
 180                         }
 181                 }
 182
 183                 $self = "";
 184                 $enclosure = "";
 185
 186                 $links = $xpath->query('atom:link', $entry);
 187                 if ($links) {
 188                         $rel = "";
 189                         $href = "";
 190                         $type = "";
 191                         $length = "0";
 192                         $title = "";
 193                         foreach ($links AS $link) {
 194                                 foreach($link->attributes AS $attributes) {
 195                                         if ($attributes->name == "href")
 196                                                 $href = $attributes->textContent;
 197                                         if ($attributes->name == "rel")
 198                                                 $rel = $attributes->textContent;
 199                                         if ($attributes->name == "type")
 200                                                 $type = $attributes->textContent;
 201                                         if ($attributes->name == "length")
 202                                                 $length = $attributes->textContent;
 203                                         if ($attributes->name == "title")
 204                                                 $title = $attributes->textContent;
 205                                 }
 206                                 if (($rel != "") AND ($href != ""))
 207                                         switch($rel) {
 208                                                 case "alternate":
 209                                                         $item["plink"] = $href;
 210                                                         break;
 211                                                 case "ostatus:conversation":
 212                                                         $conversation = $href;
 213                                                         break;
 214                                                 case "enclosure":
 215                                                         $enclosure = $href;
 216                                                         if(strlen($item["attach"]))
 217                                                                 $item["attach"] .= ',';
 218
 219                                                         $item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'" title="'.$title.'"[/attach]';
 220                                                         break;
 221                                                 case "related":
 222                                                         if (!isset($item["parent-uri"]))
 223                                                                 $item["parent-uri"] = $href;
 224
 225                                                         if ($related == "")
 226                                                                 $related = $href;
 227                                                         break;
 228                                                 case "self":
 229                                                         $self = $href;
 230                                                         break;
 231                                                 case "mentioned":
 232                                                         // Notification check
 233                                                         if ($importer["nurl"] == normalise_link($href))
 234                                                                 $mention = true;
 235                                                         break;
 236                                         }
 237                         }
 238                 }
 239
 240                 $local_id = "";
 241                 $repeat_of = "";
 242
 243                 $notice_info = $xpath->query('statusnet:notice_info', $entry);
 244                 if ($notice_info)
 245                         foreach($notice_info->item(0)->attributes AS $attributes) {
 246                                 if ($attributes->name == "source")
 247                                         $item["app"] = strip_tags($attributes->textContent);
 248                                 if ($attributes->name == "local_id")
 249                                         $local_id = $attributes->textContent;
 250                                 if ($attributes->name == "repeat_of")
 251                                         $repeat_of = $attributes->textContent;
 252                         }
 253
 254                 // Is it a repeated post?
 255                 if ($repeat_of != "") {
 256                         $activityobjects = $xpath->query('activity:object', $entry)->item(0);
 257
 258                         if (is_object($activityobjects)) {
 259
 260                                 $orig_uris = $xpath->query("activity:object/atom:link[@rel='alternate']", $activityobjects);
 261                                 if ($orig_uris)
 262                                         foreach($orig_uris->item(0)->attributes AS $attributes)
 263                                                 if ($attributes->name == "href")
 264                                                         $orig_uri = $attributes->textContent;
 265
 266                                 if (!isset($orig_uri))
 267                                         $orig_uri = $xpath->query("atom:link[@rel='alternate']", $activityobjects)->item(0)->nodeValue;
 268
 269                                 if (!isset($orig_uri))
 270                                         $orig_uri = $xpath->query("activity:object/atom:id", $activityobjects)->item(0)->nodeValue;
 271
 272                                 if (!isset($orig_uri))
 273                                         $orig_uri = $xpath->query('atom:id/text()', $activityobjects)->item(0)->nodeValue;
 274
 275                                 $orig_body = $xpath->query('atom:content/text()', $activityobjects)->item(0)->nodeValue;
 276                                 $orig_created = $xpath->query('atom:published/text()', $activityobjects)->item(0)->nodeValue;
 277
 278                                 $orig_contact = $contact;
 279                                 $orig_author = ostatus_fetchauthor($xpath, $activityobjects, $importer, $orig_contact);
 280
 281                                 $prefix = share_header($orig_author['author-name'], $orig_author['author-link'], $orig_author['author-avatar'], "", $orig_created, $orig_uri);
 282                                 $item["body"] = $prefix.html2bbcode($orig_body)."[/share]";
 283
 284                                 $item["verb"] = $xpath->query('activity:verb/text()', $activityobjects)->item(0)->nodeValue;
 285                                 $item["object-type"] = $xpath->query('activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
 286                         }
 287                 }
 288
 289                 //if ($enclosure != "")
 290                 //      $item["body"] .= add_page_info($enclosure);
 291
 292                 if (isset($item["parent-uri"])) {
 293                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 294                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
 295
 296                         if (!$r AND ($related != "")) {
 297                                 $reply_path = str_replace("/notice/", "/api/statuses/show/", $related).".atom";
 298
 299                                 if ($reply_path != $related) {
 300                                         logger("Fetching related items for user ".$importer["uid"]." from ".$reply_path, LOGGER_DEBUG);
 301                                         $reply_xml = fetch_url($reply_path);
 302
 303                                         $reply_contact = $contact;
 304                                         ostatus_import($reply_xml,$importer,$reply_contact, $reply_hub);
 305
 306                                         // After the import try to fetch the parent item again
 307                                         $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
 308                                                 intval($importer["uid"]), dbesc($item["parent-uri"]));
 309                                 }
 310                         }
 311                         if ($r) {
 312                                 $item["type"] = 'remote-comment';
 313                                 $item["gravity"] = GRAVITY_COMMENT;
 314                         }
 315                 } else
 316                         $item["parent-uri"] = $item["uri"];
 317
 318                 $item_id = item_store($item);
 319                 //echo $xml;
 320                 //print_r($item);
 321                 //echo $item_id." ".$item["parent-uri"]."\n";
 322
 323                 if (!$item_id) {
 324                         logger("Error storing item ".print_r($item, true), LOGGER_DEBUG);
 325                         continue;
 326                 }
 327
 328                 logger("Item was stored with id ".$item_id, LOGGER_DEBUG);
 329                 $item["id"] = $item_id;
 330
 331                 if (!isset($item["parent"]) OR ($item["parent"] == 0))
 332                         $item["parent"] = $item_id;
 333
 334                 if ($mention) {
 335                         $u = q("SELECT `notify-flags`, `language`, `username`, `email` FROM user WHERE uid = %d LIMIT 1", intval($item['uid']));
 336
 337                         notification(array(
 338                                 'type'         => NOTIFY_TAGSELF,
 339                                 'notify_flags' => $u[0]["notify-flags"],
 340                                 'language'     => $u[0]["language"],
 341                                 'to_name'      => $u[0]["username"],
 342                                 'to_email'     => $u[0]["email"],
 343                                 'uid'          => $item["uid"],
 344                                 'item'         => $item,
 345                                 'link'         => $a->get_baseurl().'/display/'.urlencode(get_item_guid($item["id"])),
 346                                 'source_name'  => $item["author-name"],
 347                                 'source_link'  => $item["author-link"],
 348                                 'source_photo' => $item["author-avatar"],
 349                                 'verb'         => ACTIVITY_TAG,
 350                                 'otype'        => 'item',
 351                                 'parent'       => $item["parent"]
 352                         ));
 353                 }
 354
 355                 if ($conversation != "") {
 356                         // Check for duplicates. We really don't need to check the same conversation twice.
 357                         if (!in_array($conversation, $conversationlist)) {
 358                                 complete_conversation($item_id, $conversation);
 359                                 $conversationlist[] = $conversation;
 360                         }
 361                 }
 362         }
 363 }