mod/display.php

   1 <?php
   2
   3 function display_init(&$a) {
   4
   5         if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
   6                 return;
   7         }
   8
   9         $nick = (($a->argc > 1) ? $a->argv[1] : '');
  10         $profiledata = array();
  11
  12         // If there is only one parameter, then check if this parameter could be a guid
  13         if ($a->argc == 2) {
  14                 $nick = "";
  15                 $itemuid = 0;
  16
  17                 // Does the local user have this item?
  18                 if (local_user()) {
  19                         $r = q("SELECT `id`, `parent`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid` FROM `item`
  20                                 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  21                                         AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
  22                         if (count($r)) {
  23                                 $nick = $a->user["nickname"];
  24                                 $itemuid = local_user();
  25                         }
  26                 }
  27
  28                 // Or is it anywhere on the server?
  29                 if ($nick == "") {
  30                         $r = q("SELECT `user`.`nickname`, `item`.`id`, `item`.`parent`, `item`.`author-name`,
  31                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`body`
  32                                 FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
  33                                 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  34                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  35                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  36                                         AND NOT `item`.`private` AND NOT `user`.`hidewall`
  37                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
  38                                 //      AND NOT `item`.`private` AND `item`.`wall`
  39                         if (count($r)) {
  40                                 $nick = $r[0]["nickname"];
  41                                 $itemuid = $r[0]["uid"];
  42                         }
  43                 }
  44
  45                 // Is it an item with uid=0?
  46                 if ($nick == "") {
  47                         $r = q("SELECT `item`.`id`, `item`.`parent`, `item`.`author-name`,
  48                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`body`
  49                                 FROM `item` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  50                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  51                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  52                                         AND NOT `item`.`private` AND `item`.`uid` = 0
  53                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
  54                                 //      AND NOT `item`.`private` AND `item`.`wall`
  55                 }
  56                 if (count($r)) {
  57                         if ($r[0]["id"] != $r[0]["parent"])
  58                                 $r = q("SELECT `id`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid` FROM `item`
  59                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  60                                                 AND `id` = %d", $r[0]["parent"]);
  61
  62                         $profiledata = display_fetchauthor($a, $r[0]);
  63
  64                         if (strstr(normalise_link($profiledata["url"]), normalise_link($a->get_baseurl()))) {
  65                                 $nickname = str_replace(normalise_link($a->get_baseurl())."/profile/", "", normalise_link($profiledata["url"]));
  66
  67                                 if (($nickname != $a->user["nickname"])) {
  68                                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
  69                                                 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
  70                                                 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
  71                                                 dbesc($nickname)
  72                                         );
  73                                         if (count($r))
  74                                                 $profiledata = $r[0];
  75
  76                                         $profiledata["network"] = NETWORK_DFRN;
  77                                 } else
  78                                         $profiledata = array();
  79                         }
  80                 } else {
  81                         $a->error = 404;
  82                         notice( t('Item not found.') . EOL);
  83                         return;
  84                 }
  85         }
  86
  87         profile_load($a, $nick, 0, $profiledata);
  88
  89 }
  90
  91 function display_fetchauthor($a, $item) {
  92
  93         $profiledata = array();
  94         $profiledata["uid"] = -1;
  95         $profiledata["nickname"] = $item["author-name"];
  96         $profiledata["name"] = $item["author-name"];
  97         $profiledata["picdate"] = "";
  98         $profiledata["photo"] = $item["author-avatar"];
  99         $profiledata["url"] = $item["author-link"];
 100         $profiledata["network"] = $item["network"];
 101
 102         // Check for a repeated message
 103         $skip = false;
 104         $body = trim($item["body"]);
 105
 106         // Skip if it isn't a pure repeated messages
 107         // Does it start with a share?
 108         if (!$skip AND strpos($body, "[share") > 0)
 109                 $skip = true;
 110
 111         // Does it end with a share?
 112         if (!$skip AND (strlen($body) > (strrpos($body, "[/share]") + 8)))
 113                 $skip = true;
 114
 115         if (!$skip) {
 116                 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
 117                 // Skip if there is no shared message in there
 118                 if ($body == $attributes)
 119                         $skip = true;
 120         }
 121
 122         if (!$skip) {
 123                 $author = "";
 124                 preg_match("/author='(.*?)'/ism", $attributes, $matches);
 125                 if ($matches[1] != "")
 126                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 127
 128                 preg_match('/author="(.*?)"/ism', $attributes, $matches);
 129                 if ($matches[1] != "")
 130                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 131
 132                 $profile = "";
 133                 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 134                 if ($matches[1] != "")
 135                         $profiledata["url"] = $matches[1];
 136
 137                 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 138                 if ($matches[1] != "")
 139                         $profiledata["url"] = $matches[1];
 140
 141                 $avatar = "";
 142                 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 143                 if ($matches[1] != "")
 144                         $profiledata["photo"] = $matches[1];
 145
 146                 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 147                 if ($matches[1] != "")
 148                         $profiledata["photo"] = $matches[1];
 149
 150                 $profiledata["nickname"] = $profiledata["name"];
 151                 $profiledata["network"] = GetProfileUsername($profiledata["url"], "", false, true);
 152
 153                 $profiledata["address"] = "";
 154                 $profiledata["about"] = "";
 155         }
 156
 157         // Don't show details from Diaspora contacts if you don't follow the contact
 158         $showdetails = ($profiledata["network"] != NETWORK_DIASPORA);
 159
 160         // Fetching further contact data from the contact table
 161         $r = q("SELECT `uid`, `network`, `name`, `photo`, `nick`, `addr`, `location`, `about`, `gender`, `keywords`
 162                 FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d AND `network` = '%s' AND `rel` IN (%d, %d)",
 163                 dbesc(normalise_link($profiledata["url"])), intval(local_user()), dbesc($item["network"]),
 164                 intval(CONTACT_IS_SHARING), intval(CONTACT_IS_FRIEND));
 165         if (!count($r))
 166                 $r = q("SELECT `uid`, `network`, `name`, `photo`, `nick`, `addr`, `location`, `about`, `gender`, `keywords`
 167                         FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d AND `rel` IN (%d, %d)",
 168                         dbesc(normalise_link($profiledata["url"])), intval(local_user()),
 169                         intval(CONTACT_IS_SHARING), intval(CONTACT_IS_FRIEND));
 170
 171         if (count($r)) {
 172                 $profiledata["name"] = $r[0]["name"];
 173                 $profiledata["photo"] = $r[0]["photo"];
 174                 $profiledata["nickname"] = $r[0]["nick"];
 175                 $profiledata["addr"] = $r[0]["addr"];
 176                 $profiledata["keywords"] = $r[0]["keywords"];
 177                 $profiledata["network"] = $r[0]["network"];
 178
 179                 if (local_user() OR $showdetails) {
 180                         $showdetails = true;
 181                         $profiledata["address"] = $r[0]["location"];
 182                         $profiledata["about"] = $r[0]["about"];
 183                         $profiledata["gender"] = $r[0]["gender"];
 184                 }
 185         }
 186
 187         // Fetching profile data from global contacts
 188         if ($profiledata["network"] != NETWORK_FEED) {
 189                 $r = q("SELECT `name`, `photo`, `nick`, `addr`, `location`, `about`, `gender`, `keywords`, `network` FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($profiledata["url"])));
 190                 if (count($r)) {
 191                         $profiledata["name"] = $r[0]["name"];
 192                         $profiledata["photo"] = $r[0]["photo"];
 193                         $profiledata["nickname"] = $r[0]["nick"];
 194                         $profiledata["addr"] = $r[0]["addr"];
 195                         $profiledata["network"] = $r[0]["network"];
 196
 197                         if ($r[0]["keywords"])
 198                                 $profiledata["keywords"] = $r[0]["keywords"];
 199
 200                         if ($showdetails) {
 201                                 if ($r[0]["location"])
 202                                         $profiledata["address"] = $r[0]["location"];
 203
 204                                 if ($r[0]["about"])
 205                                         $profiledata["about"] = $r[0]["about"];
 206
 207                                 if ($r[0]["gender"])
 208                                         $profiledata["gender"] = $r[0]["gender"];
 209                         }
 210                 }
 211         }
 212
 213         if (local_user()) {
 214                 if (in_array($profiledata["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)))
 215                         $profiledata["remoteconnect"] = $a->get_baseurl()."/follow?url=".urlencode($profiledata["url"]);
 216         } elseif ($profiledata["network"] == NETWORK_DFRN) {
 217                 $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
 218                 $profiledata["remoteconnect"] = $connect;
 219         }
 220
 221         return($profiledata);
 222 }
 223
 224 function display_content(&$a, $update = 0) {
 225
 226         if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 227                 notice( t('Public access denied.') . EOL);
 228                 return;
 229         }
 230
 231         require_once('include/security.php');
 232         require_once('include/conversation.php');
 233         require_once('include/acl_selectors.php');
 234
 235
 236         $o = '';
 237
 238         $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
 239
 240
 241         if($update) {
 242                 $nick = $_REQUEST['nick'];
 243         }
 244         else {
 245                 $nick = (($a->argc > 1) ? $a->argv[1] : '');
 246         }
 247
 248         if($update) {
 249                 $item_id = $_REQUEST['item_id'];
 250                 $a->profile = array('uid' => intval($update), 'profile_uid' => intval($update));
 251         }
 252         else {
 253                 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
 254
 255                 if ($a->argc == 2) {
 256                         $nick = "";
 257
 258                         if (local_user()) {
 259                                 $r = q("SELECT `id` FROM `item`
 260                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 261                                                 AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
 262                                 if (count($r)) {
 263                                         $item_id = $r[0]["id"];
 264                                         $nick = $a->user["nickname"];
 265                                 }
 266                         }
 267
 268                         if ($nick == "") {
 269                                 $r = q("SELECT `user`.`nickname`, `item`.`id` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
 270                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 271                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 272                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 273                                                 AND NOT `item`.`private` AND NOT `user`.`hidewall`
 274                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 275                                         //      AND NOT `item`.`private` AND `item`.`wall`
 276                                 if (count($r)) {
 277                                         $item_id = $r[0]["id"];
 278                                         $nick = $r[0]["nickname"];
 279                                 }
 280                         }
 281                         if ($nick == "") {
 282                                 $r = q("SELECT `item`.`id` FROM `item`
 283                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 284                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 285                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 286                                                 AND NOT `item`.`private` AND `item`.`uid` = 0
 287                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 288                                         //      AND NOT `item`.`private` AND `item`.`wall`
 289                                 if (count($r)) {
 290                                         $item_id = $r[0]["id"];
 291                                 }
 292                         }
 293                 }
 294         }
 295
 296         if ($item_id AND !is_numeric($item_id)) {
 297                 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 298                         dbesc($item_id), intval($a->profile['uid']));
 299                 if ($r)
 300                         $item_id = $r[0]["id"];
 301                 else
 302                         $item_id = false;
 303         }
 304
 305         if (!$item_id) {
 306                 $a->error = 404;
 307                 notice(t('Item not found.').EOL);
 308                 return;
 309         }
 310
 311
 312         $groups = array();
 313
 314         $contact = null;
 315         $remote_contact = false;
 316
 317         $contact_id = 0;
 318
 319         if(is_array($_SESSION['remote'])) {
 320                 foreach($_SESSION['remote'] as $v) {
 321                         if($v['uid'] == $a->profile['uid']) {
 322                                 $contact_id = $v['cid'];
 323                                 break;
 324                         }
 325                 }
 326         }
 327
 328         if($contact_id) {
 329                 $groups = init_groups_visitor($contact_id);
 330                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 331                         intval($contact_id),
 332                         intval($a->profile['uid'])
 333                 );
 334                 if(count($r)) {
 335                         $contact = $r[0];
 336                         $remote_contact = true;
 337                 }
 338         }
 339
 340         if(! $remote_contact) {
 341                 if(local_user()) {
 342                         $contact_id = $_SESSION['cid'];
 343                         $contact = $a->contact;
 344                 }
 345         }
 346
 347         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
 348                 intval($a->profile['uid'])
 349         );
 350         if(count($r))
 351                 $a->page_contact = $r[0];
 352
 353         $is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
 354
 355         if($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
 356                 notice( t('Access to this profile has been restricted.') . EOL);
 357                 return;
 358         }
 359
 360         // We need the editor here to be able to reshare an item.
 361
 362         if ($is_owner) {
 363                 $x = array(
 364                         'is_owner' => true,
 365                         'allow_location' => $a->user['allow_location'],
 366                         'default_location' => $a->user['default-location'],
 367                         'nickname' => $a->user['nickname'],
 368                         'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
 369                         'acl' => populate_acl($a->user, true),
 370                         'bang' => '',
 371                         'visitor' => 'block',
 372                         'profile_uid' => local_user(),
 373                         'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
 374                 );
 375                 $o .= status_editor($a,$x,0,true);
 376         }
 377
 378         $sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
 379
 380         if($update) {
 381
 382                 $r = q("SELECT `id` FROM `item` WHERE `item`.`uid` = %d
 383                         AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 384                         $sql_extra AND `unseen`",
 385                         intval($a->profile['uid']),
 386                         intval($item_id)
 387                 );
 388
 389                 if(!$r)
 390                         return '';
 391         }
 392
 393         $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,  `item`.`network` AS `item_network`,
 394                 `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
 395                 `contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
 396                 `contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
 397                 FROM `item` INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 398                 AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
 399                 WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`deleted`
 400                 AND NOT `item`.`moderated`
 401                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 402                 $sql_extra
 403                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
 404                 intval($a->profile['uid']),
 405                 intval($item_id)
 406         );
 407
 408         if(!$r && local_user()) {
 409                 // Check if this is another person's link to a post that we have
 410                 $r = q("SELECT `item`.uri FROM `item`
 411                         WHERE (`item`.`id` = %d OR `item`.`uri` = '%s')
 412                         LIMIT 1",
 413                         intval($item_id),
 414                         dbesc($item_id)
 415                 );
 416                 if($r) {
 417                         $item_uri = $r[0]['uri'];
 418
 419                         $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,  `item`.`network` AS `item_network`,
 420                                 `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
 421                                 `contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
 422                                 `contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
 423                                 FROM `item` INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 424                                 AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
 425                                 WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`deleted`
 426                                 AND NOT `item`.`moderated`
 427                                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
 428                                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
 429                                 intval(local_user()),
 430                                 dbesc($item_uri),
 431                                 intval(local_user())
 432                         );
 433                 }
 434         }
 435
 436
 437         if($r) {
 438
 439                 if((local_user()) && (local_user() == $a->profile['uid'])) {
 440                         $unseen = q("SELECT `id` FROM `item` WHERE `unseen` AND `parent` = %d",
 441                                         intval($r[0]['parent']));
 442
 443                         if ($unseen)
 444                                 q("UPDATE `item` SET `unseen` = 0
 445                                         WHERE `parent` = %d AND `unseen`",
 446                                         intval($r[0]['parent'])
 447                                 );
 448                 }
 449
 450                 $items = conv_sort($r,"`commented`");
 451
 452                 if(!$update)
 453                         $o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
 454                 $o .= conversation($a,$items,'display', $update);
 455
 456                 // Preparing the meta header
 457                 require_once('include/bbcode.php');
 458                 require_once("include/html2plain.php");
 459                 $description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
 460                 $title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
 461                 $author_name = $r[0]["author-name"];
 462
 463                 $image = "";
 464                 if ($image == "")
 465                         $image = $r[0]["thumb"];
 466
 467                 if ($title == "")
 468                         $title = $author_name;
 469
 470                 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 471                 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 472                 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 473
 474                 //<meta name="keywords" content="">
 475                 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
 476                 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
 477                 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
 478                 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
 479
 480                 // Schema.org microdata
 481                 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
 482                 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
 483                 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
 484                 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
 485
 486                 // Twitter cards
 487                 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
 488                 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
 489                 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
 490                 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
 491                 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
 492
 493                 // Dublin Core
 494                 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
 495                 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
 496
 497                 // Open Graph
 498                 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
 499                 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
 500                 $a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
 501                 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
 502                 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
 503                 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
 504                 // article:tag
 505
 506                 return $o;
 507         }
 508
 509         $r = q("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
 510                 dbesc($item_id),
 511                 dbesc($item_id)
 512         );
 513         if($r) {
 514                 if($r[0]['deleted']) {
 515                         notice( t('Item has been removed.') . EOL );
 516                 }
 517                 else {
 518                         notice( t('Permission denied.') . EOL );
 519                 }
 520         }
 521         else {
 522                 notice( t('Item not found.') . EOL );
 523         }
 524
 525         return $o;
 526 }
 527