mirror of
https://github.com/Terranom674/Piwigo_Bratonien_Tools.git
synced 2026-09-19 12:54:31 +00:00
98 lines
2.6 KiB
PHP
98 lines
2.6 KiB
PHP
<?php
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if (!defined('PHPWG_ROOT_PATH'))
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{
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die('Hacking attempt!');
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}
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require_once(BRATONIEN_TOOLS_PATH . 'include/database.class.php');
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require_once(BRATONIEN_TOOLS_PATH . 'include/watermark_engine.inc.php');
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require_once(BRATONIEN_TOOLS_PATH . 'tools/watermark_settings.inc.php');
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require_once(BRATONIEN_TOOLS_PATH . 'tools/watermark_profiles.inc.php');
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require_once(BRATONIEN_TOOLS_PATH . 'tools/album_rules.inc.php');
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function bratonien_tools_runtime_category_id()
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{
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global $page;
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if (!empty($page['category']['id']))
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{
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return (int)$page['category']['id'];
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}
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if (!empty($page['category']) && is_numeric($page['category']))
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{
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return (int)$page['category'];
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}
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return 0;
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}
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function bratonien_tools_runtime_effective_rule($category_id)
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{
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static $categories = null;
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static $rules = null;
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static $defaults = null;
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if ($categories === null)
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{
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$categories = bratonien_tools_get_category_tree();
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$rules = bratonien_tools_get_album_rules();
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$defaults = bratonien_tools_get_watermark_defaults();
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}
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if ((int)$category_id <= 0)
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{
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if (empty($defaults['public_profile']))
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{
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return array('mode'=>'disabled','profile_id'=>null,'source'=>'global');
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}
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return array('mode'=>'profile','profile_id'=>(int)$defaults['public_profile'],'source'=>'global');
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}
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return bratonien_tools_resolve_album_rule((int)$category_id, $categories, $rules, $defaults);
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}
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function bratonien_tools_runtime_sign($rel_url, $profile_id)
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{
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global $conf;
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$key = !empty($conf['secret_key']) ? $conf['secret_key'] : $conf['db_password'];
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return hash_hmac('sha256', $profile_id.'|'.$rel_url, $key);
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}
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function bratonien_tools_runtime_b64url_encode($value)
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{
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return rtrim(strtr(base64_encode($value), '+/', '-_'), '=');
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}
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function bratonien_tools_filter_derivative_url($url, $params, $src_image, $rel_url)
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{
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if (!bratonien_tools_watermark_engine_enabled())
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{
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return $url;
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}
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$rule = bratonien_tools_runtime_effective_rule(bratonien_tools_runtime_category_id());
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if ($rule['mode'] !== 'profile' || empty($rule['profile_id']))
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{
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return $url;
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}
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$profile = bratonien_tools_get_watermark_profile((int)$rule['profile_id']);
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if (!$profile || empty($profile['watermark_file']))
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{
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return $url;
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}
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$watermark_path = PHPWG_ROOT_PATH.PWG_LOCAL_DIR.'watermarks/'.$profile['watermark_file'];
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if (!is_file($watermark_path))
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{
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return $url;
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}
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$profile_id = (int)$profile['id'];
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$signature = bratonien_tools_runtime_sign($rel_url, $profile_id);
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return get_root_url().'plugins/'.BRATONIEN_TOOLS_ID.'/watermark.php?p='.$profile_id.'&u='.
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rawurlencode(bratonien_tools_runtime_b64url_encode($rel_url)).'&s='.$signature;
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}
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