friendica_2021-01/mod/display.php

147 lines
3.5 KiB
PHP

<?php
function display_content(&$a) {
require_once("include/bbcode.php");
require_once('include/security.php');
require_once('include/conversation.php');
$o = '<div id="live-display"></div>' . "\r\n";
$nick = (($a->argc > 1) ? $a->argv[1] : '');
profile_load($a,$nick);
$item_id = (($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;
if(remote_user()) {
$contact_id = $_SESSION['visitor_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];
$sql_extra = "
AND `allow_cid` = ''
AND `allow_gid` = ''
AND `deny_cid` = ''
AND `deny_gid` = ''
";
// Profile owner - everything is visible
if(local_user() && (local_user() == $a->profile['uid'])) {
$sql_extra = '';
}
// authenticated visitor - here lie dragons
// If $remotecontact is true, we know that not only is this a remotely authenticated
// person, but that it is *our* contact, which is important in multi-user mode.
elseif($remote_contact) {
$gs = '<<>>'; // should be impossible to match
if(count($groups)) {
foreach($groups as $g)
$gs .= '|<' . intval($g) . '>';
}
$sql_extra = sprintf(
" AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s') ",
intval($_SESSION['visitor_id']),
intval($_SESSION['visitor_id']),
dbesc($gs),
dbesc($gs)
);
}
$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 `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'])
);
}
$o .= conversation($a,$r,'display', false);
}
else {
$r = q("SELECT `id` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
dbesc($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 );
}
}
$o .= '<div class="cc-license">' . t('Shared content is covered by the <a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons Attribution 3.0</a> license.') . '</div>';
return $o;
}