friendica_2021-01/mod/display.php
Michael Vogel 2866f62c88 Suppoorting Open Graph and Dublin Core when displaying single item
Following link shorteners in parse_url
2013-03-02 14:46:06 +01:00

218 lines
6.1 KiB
PHP

<?php
function display_init(&$a) {
if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
return;
}
$nick = (($a->argc > 1) ? $a->argv[1] : '');
profile_load($a,$nick);
}
function display_content(&$a, $update = 0) {
if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
notice( t('Public access denied.') . EOL);
return;
}
require_once("include/bbcode.php");
require_once('include/security.php');
require_once('include/conversation.php');
require_once('include/acl_selectors.php');
$o = '';
$a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
if($update) {
$nick = $_REQUEST['nick'];
}
else {
$nick = (($a->argc > 1) ? $a->argv[1] : '');
}
if($update) {
$item_id = $_REQUEST['item_id'];
$a->profile = array('uid' => intval($update), 'profile_uid' => intval($update));
}
else {
$item_id = (($a->argc > 2) ? intval($a->argv[2]) : 0);
}
if(! $item_id) {
$a->error = 404;
notice( t('Item not found.') . EOL);
return;
}
$groups = array();
$contact = null;
$remote_contact = false;
$contact_id = 0;
if(is_array($_SESSION['remote'])) {
foreach($_SESSION['remote'] as $v) {
if($v['uid'] == $a->profile['uid']) {
$contact_id = $v['cid'];
break;
}
}
}
if($contact_id) {
$groups = init_groups_visitor($contact_id);
$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($contact_id),
intval($a->profile['uid'])
);
if(count($r)) {
$contact = $r[0];
$remote_contact = true;
}
}
if(! $remote_contact) {
if(local_user()) {
$contact_id = $_SESSION['cid'];
$contact = $a->contact;
}
}
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
intval($a->profile['uid'])
);
if(count($r))
$a->page_contact = $r[0];
$is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
if($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
notice( t('Access to this profile has been restricted.') . EOL);
return;
}
if ($is_owner) {
$celeb = ((($a->user['page-flags'] == PAGE_SOAPBOX) || ($a->user['page-flags'] == PAGE_COMMUNITY)) ? true : false);
$x = array(
'is_owner' => true,
'allow_location' => $a->user['allow_location'],
'default_location' => $a->user['default-location'],
'nickname' => $a->user['nickname'],
'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
'acl' => populate_acl($a->user, $celeb),
'bang' => '',
'visitor' => 'block',
'profile_uid' => local_user(),
'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
);
$o .= status_editor($a,$x,0,true);
}
$sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
if($update) {
$r = q("SELECT id FROM item WHERE item.uid = %d
AND `item`.`parent` = ( SELECT `parent` FROM `item` WHERE ( `id` = '%s' OR `uri` = '%s' ))
$sql_extra AND unseen = 1",
intval($a->profile['uid']),
dbesc($item_id),
dbesc($item_id)
);
if(!$r)
return '';
}
$r = q("SELECT `item`.*, `item`.`id` AS `item_id`,
`contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
`contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0
and `item`.`moderated` = 0
AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
AND `item`.`parent` = ( SELECT `parent` FROM `item` WHERE ( `id` = '%s' OR `uri` = '%s' ))
$sql_extra
ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
intval($a->profile['uid']),
dbesc($item_id),
dbesc($item_id)
);
if(count($r)) {
if((local_user()) && (local_user() == $a->profile['uid'])) {
q("UPDATE `item` SET `unseen` = 0
WHERE `parent` = %d AND `unseen` = 1",
intval($r[0]['parent'])
);
}
$items = conv_sort($r,"`commented`");
if(!$update)
$o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
$o .= conversation($a,$items,'display', $update);
// Preparing the meta header
require_once('include/bbcode.php');
require_once("include/html2plain.php");
$description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
$title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
if ($title == "")
$title = $r[0]["author-name"];
//<meta name="keywords" content="">
$a->page['htmlhead'] .= '<meta name="author" content="'.$r[0]["author-name"].'" />'."\n";
$a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
$a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
$a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
//<meta property="og:image" content="" />
$a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
$a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
$a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$r[0]["author-name"].'" />'."\n";
// article:tag
}
else {
$r = q("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
dbesc($item_id),
dbesc($item_id)
);
if(count($r)) {
if($r[0]['deleted']) {
notice( t('Item has been removed.') . EOL );
}
else {
notice( t('Permission denied.') . EOL );
}
}
else {
notice( t('Item not found.') . EOL );
}
}
return $o;
}