mirror of
https://github.com/TechplexEngineer/opensimWebAssets.git
synced 2026-08-14 01:07:52 +00:00
Anthony Le Mansec
6a929f5abd
- tested on recent builds of apache/php, imagemagick and pecl imagick extension. - updated README and INSTALL files with current server-sides software versions. - added image magick jpeg2k DELEGATE notes.
63 lines
1.9 KiB
PHP
63 lines
1.9 KiB
PHP
<?php
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/*
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* This file is part of WebAssets for OpenSimulator.
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*
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* WebAssets for OpenSimulator is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*
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* WebAssets for OpenSimulator is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with WebAssets for OpenSimulator. If not, see <http://www.gnu.org/licenses/>.
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*/
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require_once('inc/config.php');
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/**
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* @brief Checks whether given asset is locally cached in given cache directory.
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*
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* @param asset_id (string) Assetid to check
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* @param cachedir jpeg2k / converted caching directory constant, as set in inc/config.php.
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* @return true if picture is cached in given directory, false otherwise.
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*
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* @author Anthony Le Mansec <a.lm@free.fr>
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*/
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function cache_check($asset_id, $cachedir=JP2_CACHE_DIR) {
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$cache_file = $cachedir.$asset_id;
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$file_max_age = time() - CACHE_MAX_AGE;
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if (!file_exists($cache_file))
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return (false);
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if (filemtime($cache_file) < $file_max_age) {
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// expired, removing old file:
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unlink($cache_file);
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return (false);
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}
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return (true);
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}
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/**
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* @brief Stores given picture to given cache directory.
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*
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* @param asset_id (string) UUID of the asset to store.
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* @param content (datas) raw image datas
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* @param cachedir local directory where to store image (as defined in inc/config.php)
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* @return false on error, true otherwise.
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*/
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function cache_write($asset_id, $content, $cachedir=JP2_CACHE_DIR) {
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$cache_file = $cachedir.$asset_id;
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$h = fopen($cache_file, "wb+");
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if (!$h)
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return (false);
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fwrite($h, $content);
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fclose($h);
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return (true);
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}
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?>
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