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` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
  21                                         AND `guid` = '%s' AND `uid` = %d", $a->argv[1], local_user());
  22                         if (count($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` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
  34                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  35                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  36                                         AND `item`.`private` = 0 AND NOT `user`.`hidewall`
  37                                         AND `item`.`guid` = '%s'", $a->argv[1]);
  38                                 //      AND `item`.`private` = 0 AND `item`.`wall` = 1
  39                         if (count($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` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
  50                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  51                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  52                                         AND `item`.`private` = 0 AND `item`.`uid` = 0
  53                                         AND `item`.`guid` = '%s'", $a->argv[1]);
  54                                 //      AND `item`.`private` = 0 AND `item`.`wall` = 1
  55                 }
  56                 if (count($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` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
  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                                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
  69                                                 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
  70                                                 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
  71                                                 dbesc($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         require_once("mod/proxy.php");
  93         require_once("include/bbcode.php");
  94
  95         $profiledata = array();
  96         $profiledata["uid"] = -1;
  97         $profiledata["nickname"] = $item["author-name"];
  98         $profiledata["name"] = $item["author-name"];
  99         $profiledata["picdate"] = "";
 100         $profiledata["photo"] = proxy_url($item["author-avatar"]);
 101         $profiledata["url"] = $item["author-link"];
 102         $profiledata["network"] = $item["network"];
 103
 104         // Fetching further contact data from the contact table
 105         $r = q("SELECT `photo`, `nick`, `location`, `about` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d",
 106                 normalise_link($profiledata["url"]), $item["uid"]);
 107         if (count($r)) {
 108                 $profiledata["photo"] = proxy_url($r[0]["photo"]);
 109                 $profiledata["address"] = proxy_parse_html(bbcode($r[0]["location"]));
 110                 $profiledata["about"] = proxy_parse_html(bbcode($r[0]["about"]));
 111                 if ($r[0]["nick"] != "")
 112                         $profiledata["nickname"] = $r[0]["nick"];
 113         }
 114
 115         // Fetching profile data from unique contacts
 116         $r = q("SELECT `avatar`, `nick`, `location`, `about` FROM `unique_contacts` WHERE `url` = '%s'", normalise_link($profiledata["url"]));
 117         if (count($r)) {
 118                 if ($profiledata["photo"] == "")
 119                         $profiledata["photo"] = proxy_url($r[0]["avatar"]);
 120                 if ($profiledata["address"] == "")
 121                         $profiledata["address"] = proxy_parse_html(bbcode($r[0]["location"]));
 122                 if ($profiledata["about"] == "")
 123                         $profiledata["about"] = proxy_parse_html(bbcode($r[0]["about"]));
 124                 if (($profiledata["nickname"] == "") AND ($r[0]["nick"] != ""))
 125                         $profiledata["nickname"] = $r[0]["nick"];
 126         }
 127
 128         // Check for a repeated message
 129         $skip = false;
 130         $body = trim($item["body"]);
 131
 132         // Skip if it isn't a pure repeated messages
 133         // Does it start with a share?
 134         if (!$skip AND strpos($body, "[share") > 0)
 135                 $skip = true;
 136
 137         // Does it end with a share?
 138         if (!$skip AND (strlen($body) > (strrpos($body, "[/share]") + 8)))
 139                 $skip = true;
 140
 141         if (!$skip) {
 142                 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
 143                 // Skip if there is no shared message in there
 144                 if ($body == $attributes)
 145                         $skip = true;
 146         }
 147
 148         if (!$skip) {
 149                 $author = "";
 150                 preg_match("/author='(.*?)'/ism", $attributes, $matches);
 151                 if ($matches[1] != "")
 152                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 153
 154                 preg_match('/author="(.*?)"/ism', $attributes, $matches);
 155                 if ($matches[1] != "")
 156                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 157
 158                 $profile = "";
 159                 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 160                 if ($matches[1] != "")
 161                         $profiledata["url"] = $matches[1];
 162
 163                 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 164                 if ($matches[1] != "")
 165                         $profiledata["url"] = $matches[1];
 166
 167                 $avatar = "";
 168                 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 169                 if ($matches[1] != "")
 170                         $profiledata["photo"] = $matches[1];
 171
 172                 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 173                 if ($matches[1] != "")
 174                         $profiledata["photo"] = $matches[1];
 175
 176                 $profiledata["nickname"] = $profiledata["name"];
 177                 $profiledata["network"] = GetProfileUsername($profiledata["url"], "", false, true);
 178
 179                 $profiledata["address"] = "";
 180                 $profiledata["about"] = "";
 181
 182                 // Fetching profile data from unique contacts
 183                 if ($profiledata["url"] != "") {
 184                         $r = q("SELECT `avatar`, `nick`, `location`, `about` FROM `unique_contacts` WHERE `url` = '%s'", normalise_link($profiledata["url"]));
 185                         if (count($r)) {
 186                                 $profiledata["photo"] = proxy_url($r[0]["avatar"]);
 187                                 $profiledata["address"] = proxy_parse_html(bbcode($r[0]["location"]));
 188                                 $profiledata["about"] = proxy_parse_html(bbcode($r[0]["about"]));
 189                                 if ($r[0]["nick"] != "")
 190                                         $profiledata["nickname"] = $r[0]["nick"];
 191                         }
 192                 }
 193         }
 194
 195         if (local_user()) {
 196                 if ($profiledata["network"] == NETWORK_DFRN) {
 197                         $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"])."&addr=".bin2hex($a->get_baseurl()."/profile/".$a->user["nickname"]);
 198                         $profiledata["remoteconnect"] = $connect;
 199                 } elseif ($profiledata["network"] == NETWORK_DIASPORA)
 200                         $profiledata["remoteconnect"] = $a->get_baseurl()."/contacts?add=".GetProfileUsername($profiledata["url"], "", true);
 201         } elseif ($profiledata["network"] == NETWORK_DFRN) {
 202                 $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
 203                 $profiledata["remoteconnect"] = $connect;
 204         }
 205
 206         return($profiledata);
 207 }
 208
 209 function display_content(&$a, $update = 0) {
 210
 211         if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 212                 notice( t('Public access denied.') . EOL);
 213                 return;
 214         }
 215
 216         require_once("include/bbcode.php");
 217         require_once('include/security.php');
 218         require_once('include/conversation.php');
 219         require_once('include/acl_selectors.php');
 220
 221
 222         $o = '';
 223
 224         $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
 225
 226
 227         if($update) {
 228                 $nick = $_REQUEST['nick'];
 229         }
 230         else {
 231                 $nick = (($a->argc > 1) ? $a->argv[1] : '');
 232         }
 233
 234         if($update) {
 235                 $item_id = $_REQUEST['item_id'];
 236                 $a->profile = array('uid' => intval($update), 'profile_uid' => intval($update));
 237         }
 238         else {
 239                 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
 240
 241                 if ($a->argc == 2) {
 242                         $nick = "";
 243
 244                         if (local_user()) {
 245                                 $r = q("SELECT `id` FROM `item`
 246                                         WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
 247                                                 AND `guid` = '%s' AND `uid` = %d", $a->argv[1], local_user());
 248                                 if (count($r)) {
 249                                         $item_id = $r[0]["id"];
 250                                         $nick = $a->user["nickname"];
 251                                 }
 252                         }
 253
 254                         if ($nick == "") {
 255                                 $r = q("SELECT `user`.`nickname`, `item`.`id` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
 256                                         WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
 257                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 258                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 259                                                 AND `item`.`private` = 0  AND NOT `user`.`hidewall`
 260                                                 AND `item`.`guid` = '%s'", $a->argv[1]);
 261                                         //      AND `item`.`private` = 0 AND `item`.`wall` = 1
 262                                 if (count($r)) {
 263                                         $item_id = $r[0]["id"];
 264                                         $nick = $r[0]["nickname"];
 265                                 }
 266                         }
 267                         if ($nick == "") {
 268                                 $r = q("SELECT `item`.`id` FROM `item`
 269                                         WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
 270                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 271                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 272                                                 AND `item`.`private` = 0  AND `item`.`uid` = 0
 273                                                 AND `item`.`guid` = '%s'", $a->argv[1]);
 274                                         //      AND `item`.`private` = 0 AND `item`.`wall` = 1
 275                                 if (count($r)) {
 276                                         $item_id = $r[0]["id"];
 277                                 }
 278                         }
 279                 }
 280         }
 281
 282         if(! $item_id) {
 283                 $a->error = 404;
 284                 notice( t('Item not found.') . EOL);
 285                 return;
 286         }
 287
 288         $groups = array();
 289
 290         $contact = null;
 291         $remote_contact = false;
 292
 293         $contact_id = 0;
 294
 295         if(is_array($_SESSION['remote'])) {
 296                 foreach($_SESSION['remote'] as $v) {
 297                         if($v['uid'] == $a->profile['uid']) {
 298                                 $contact_id = $v['cid'];
 299                                 break;
 300                         }
 301                 }
 302         }
 303
 304         if($contact_id) {
 305                 $groups = init_groups_visitor($contact_id);
 306                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 307                         intval($contact_id),
 308                         intval($a->profile['uid'])
 309                 );
 310                 if(count($r)) {
 311                         $contact = $r[0];
 312                         $remote_contact = true;
 313                 }
 314         }
 315
 316         if(! $remote_contact) {
 317                 if(local_user()) {
 318                         $contact_id = $_SESSION['cid'];
 319                         $contact = $a->contact;
 320                 }
 321         }
 322
 323         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 324                 intval($a->profile['uid'])
 325         );
 326         if(count($r))
 327                 $a->page_contact = $r[0];
 328
 329         $is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
 330
 331         if($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
 332                 notice( t('Access to this profile has been restricted.') . EOL);
 333                 return;
 334         }
 335
 336         if ($is_owner) {
 337                 $celeb = ((($a->user['page-flags'] == PAGE_SOAPBOX) || ($a->user['page-flags'] == PAGE_COMMUNITY)) ? true : false);
 338
 339                 $x = array(
 340                         'is_owner' => true,
 341                         'allow_location' => $a->user['allow_location'],
 342                         'default_location' => $a->user['default-location'],
 343                         'nickname' => $a->user['nickname'],
 344                         'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
 345                         'acl' => populate_acl($a->user, $celeb),
 346                         'bang' => '',
 347                         'visitor' => 'block',
 348                         'profile_uid' => local_user(),
 349                         'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
 350                 );
 351                 $o .= status_editor($a,$x,0,true);
 352         }
 353
 354         $sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
 355
 356         //              AND `item`.`parent` = ( SELECT `parent` FROM `item` FORCE INDEX (PRIMARY, `uri`) WHERE ( `id` = '%s' OR `uri` = '%s' ))
 357
 358         if($update) {
 359
 360                 $r = q("SELECT id FROM item WHERE item.uid = %d
 361                         AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE (`id` = '%s' OR `uri` = '%s'))
 362                         $sql_extra AND unseen = 1",
 363                         intval($a->profile['uid']),
 364                         dbesc($item_id),
 365                         dbesc($item_id)
 366                 );
 367
 368                 if(!$r)
 369                         return '';
 370         }
 371
 372         //      AND `item`.`parent` = ( SELECT `parent` FROM `item` FORCE INDEX (PRIMARY, `uri`) WHERE ( `id` = '%s' OR `uri` = '%s' )
 373
 374         $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,  `item`.`network` AS `item_network`,
 375                 `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
 376                 `contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
 377                 `contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
 378                 FROM `item` INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 379                 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 380                 WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0
 381                 and `item`.`moderated` = 0
 382                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE (`id` = '%s' OR `uri` = '%s')
 383                 AND uid = %d)
 384                 $sql_extra
 385                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
 386                 intval($a->profile['uid']),
 387                 dbesc($item_id),
 388                 dbesc($item_id),
 389                 intval($a->profile['uid'])
 390         );
 391
 392         if(!$r && local_user()) {
 393                 // Check if this is another person's link to a post that we have
 394                 $r = q("SELECT `item`.uri FROM `item`
 395                         WHERE (`item`.`id` = '%s' OR `item`.`uri` = '%s' )
 396                         LIMIT 1",
 397                         dbesc($item_id),
 398                         dbesc($item_id)
 399                 );
 400                 if($r) {
 401                         $item_uri = $r[0]['uri'];
 402                         //      AND `item`.`parent` = ( SELECT `parent` FROM `item` FORCE INDEX (PRIMARY, `uri`) WHERE `uri` = '%s' AND uid = %d )
 403
 404                         $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,  `item`.`network` AS `item_network`,
 405                                 `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
 406                                 `contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
 407                                 `contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
 408                                 FROM `item` INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 409                                 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 410                                 WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0
 411                                 and `item`.`moderated` = 0
 412                                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
 413                                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
 414                                 intval(local_user()),
 415                                 dbesc($item_uri),
 416                                 intval(local_user())
 417                         );
 418                 }
 419         }
 420
 421
 422         if($r) {
 423
 424                 if((local_user()) && (local_user() == $a->profile['uid'])) {
 425                         q("UPDATE `item` SET `unseen` = 0
 426                                 WHERE `parent` = %d AND `unseen` = 1",
 427                                 intval($r[0]['parent'])
 428                         );
 429                 }
 430
 431                 $items = conv_sort($r,"`commented`");
 432
 433                 if(!$update)
 434                         $o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
 435                 $o .= conversation($a,$items,'display', $update);
 436
 437                 // Preparing the meta header
 438                 require_once('include/bbcode.php');
 439                 require_once("include/html2plain.php");
 440                 $description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
 441                 $title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
 442                 $author_name = $r[0]["author-name"];
 443
 444                 $image = "";
 445                 if ($image == "")
 446                         $image = $r[0]["thumb"];
 447
 448                 if ($title == "")
 449                         $title = $author_name;
 450
 451                 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 452                 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 453                 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 454
 455                 //<meta name="keywords" content="">
 456                 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
 457                 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
 458                 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
 459                 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
 460
 461                 // Schema.org microdata
 462                 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
 463                 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
 464                 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
 465                 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
 466
 467                 // Twitter cards
 468                 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
 469                 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
 470                 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
 471                 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
 472                 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
 473
 474                 // Dublin Core
 475                 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
 476                 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
 477
 478                 // Open Graph
 479                 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
 480                 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
 481                 $a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
 482                 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
 483                 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
 484                 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
 485                 // article:tag
 486
 487                 return $o;
 488         }
 489
 490         $r = q("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
 491                 dbesc($item_id),
 492                 dbesc($item_id)
 493         );
 494         if($r) {
 495                 if($r[0]['deleted']) {
 496                         notice( t('Item has been removed.') . EOL );
 497                 }
 498                 else {
 499                         notice( t('Permission denied.') . EOL );
 500                 }
 501         }
 502         else {
 503                 notice( t('Item not found.') . EOL );
 504         }
 505
 506         return $o;
 507 }
 508