function phorum_check_upload_limits($is_install)
{
global $PHORUM;
if ($is_install) {
return array(PHORUM_SANITY_SKIP, NULL, NULL);
}
// Keep track if uploads are used.
$upload_used = false;
// Get the maximum file upload size for PHP.
list($system_max_upload, $php_max_upload, $db_max_upload) = phorum_api_system_get_max_upload();
// Check limits for file uploading in personal profile.
if ($PHORUM["file_uploads"] && $PHORUM["max_file_size"]) {
$upload_used = true;
$res = phorum_single_check_upload_limits($PHORUM["max_file_size"] * 1024, "the Max File Size option for user file uploads " . "(in their profile)", $php_max_upload, $db_max_upload);
if ($res != NULL) {
return $res;
}
}
// Check limits for attachment uploading in forums.
require_once './include/api/forums.php';
$forums = phorum_api_forums_get(NULL, NULL, NULL, NULL, PHORUM_FLAG_INCLUDE_INACTIVE | PHORUM_FLAG_FORUMS);
foreach ($forums as $id => $forum) {
if ($forum["max_attachments"] > 0 && $forum["max_attachment_size"]) {
$upload_used = true;
$res = phorum_single_check_upload_limits($forum["max_attachment_size"] * 1024, "the Max File Size option for uploading attachments\n in the forum \"{$forum['name']}\"", $php_max_upload, $db_max_upload);
if ($res != NULL) {
return $res;
}
}
}
// No upload functionality found so far? Then we're done.
if (!$upload_used) {
return array(PHORUM_SANITY_OK, NULL);
}
// Check if the upload temp directory can be written.
$tmpdir = get_cfg_var('upload_tmp_dir');
if (!empty($tmpdir)) {
$fp = @fopen("{$tmpdir}/sanity_checks_dummy_uploadtmpfile", "w");
if (!$fp) {
return array(PHORUM_SANITY_CRIT, "The system is unable to write files\n to PHP's upload tmpdir \"" . htmlspecialchars($tmpdir) . "\".\n The system error was:<br/><br/>" . htmlspecialchars($php_errormsg) . ".", "Change the upload_tmp_dir setting in your php.ini file\n or give your webserver more permissions for the current\n upload directory.");
}
fclose($fp);
unlink("{$tmpdir}/sanity_checks_dummy_uploadtmpfile");
}
return array(PHORUM_SANITY_OK, NULL, NULL);
}
/**
* @deprecated Replaced by {@link phorum_api_system_get_max_upload()}.
*/
function phorum_get_system_max_upload()
{
require_once PHORUM_PATH . '/include/api/system.php';
return phorum_api_system_get_max_upload();
}
