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friendica_2020-09-1_sharedH.../mod/attach.php
Andrej Stieben db949bb802 Updated modules to allow for partial overrides without errors
Only define functions if they have not been defined before, e.g. in themes. This makes it possible to override parts of a module and still use the other functions.
2016-02-05 21:52:39 +01:00

51 lines
1.2 KiB
PHP

<?php
require_once('include/security.php');
if(! function_exists('attach_init')) {
function attach_init(&$a) {
if($a->argc != 2) {
notice( t('Item not available.') . EOL);
return;
}
$item_id = intval($a->argv[1]);
// Check for existence, which will also provide us the owner uid
$r = q("SELECT * FROM `attach` WHERE `id` = %d LIMIT 1",
intval($item_id)
);
if(! count($r)) {
notice( t('Item was not found.'). EOL);
return;
}
$sql_extra = permissions_sql($r[0]['uid']);
// Now we'll see if we can access the attachment
$r = q("SELECT * FROM `attach` WHERE `id` = '%d' $sql_extra LIMIT 1",
dbesc($item_id)
);
if(! count($r)) {
notice( t('Permission denied.') . EOL);
return;
}
// Use quotes around the filename to prevent a "multiple Content-Disposition"
// error in Chrome for filenames with commas in them
header('Content-type: ' . $r[0]['filetype']);
header('Content-length: ' . $r[0]['filesize']);
if(isset($_GET['attachment']) && $_GET['attachment'] === '0')
header('Content-disposition: filename="' . $r[0]['filename'] . '"');
else
header('Content-disposition: attachment; filename="' . $r[0]['filename'] . '"');
echo $r[0]['data'];
killme();
// NOTREACHED
}
}