public function test_js_files()
{
global $CFG;
$testfile1 = "{$CFG->tempdir}/test1.js";
$testfile2 = "{$CFG->tempdir}/test2.js";
$testfile3 = "{$CFG->tempdir}/test3.js";
$js1 = "\nfunction hm()\n{\n}\n";
$js2 = "function oh(){}";
file_put_contents($testfile1, $js1);
file_put_contents($testfile2, $js2);
$files = array($testfile1, $testfile2);
$this->assertSame("function hm(){};\nfunction oh(){}", core_minify::js_files($files));
$files = array($testfile1, $testfile2, $testfile3);
$this->assertStringStartsWith("function hm(){};\nfunction oh(){};\n\n\n// Cannot read JS file ", @core_minify::js_files($files));
unlink($testfile1);
unlink($testfile2);
}
/**
* Minify JavaScript files.
*
* @deprecated since 2.6
*
* @param array $files
* @return string
*/
function js_minify($files)
{
debugging('js_minify() is deprecated, use core_minify::js_files() or core_minify::js() instead.');
return core_minify::js_files($files);
}
/**
* Allow setting of the config function described in {@see set_config_function} from a file.
* The contents of this file are then passed to set_config_function.
*
* When jsrev is positive, the function is minified and stored in a MUC cache for subsequent uses.
*
* @param $file The path to the JavaScript function used for YUI configuration.
* @return String the name of the function to use in the group pattern configuration.
*/
public function set_config_source($file)
{
global $CFG;
$cache = cache::make('core', 'yuimodules');
// Attempt to get the metadata from the cache.
$keyname = 'configfn_' . $file;
$fullpath = $CFG->dirroot . '/' . $file;
if (!isset($CFG->jsrev) || $CFG->jsrev == -1) {
$cache->delete($keyname);
$configfn = file_get_contents($fullpath);
} else {
$configfn = $cache->get($keyname);
if ($configfn === false) {
require_once $CFG->libdir . '/jslib.php';
$configfn = core_minify::js_files(array($fullpath));
$cache->set($keyname, $configfn);
}
}
return $this->set_config_function($configfn);
}
if ($rev > 0 and file_exists($candidate)) {
if (!empty($_SERVER['HTTP_IF_NONE_MATCH']) || !empty($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
// we do not actually need to verify the etag value because our files
// never change in cache because we increment the rev parameter
js_send_unmodified(filemtime($candidate), $etag);
}
js_send_cached($candidate, $etag);
}
//=================================================================================
// ok, now we need to start normal moodle script, we need to load all libs and $DB
define('ABORT_AFTER_CONFIG_CANCEL', true);
define('NO_MOODLE_COOKIES', true);
// Session not used here
define('NO_UPGRADE_CHECK', true);
// Ignore upgrade check
require "{$CFG->dirroot}/lib/setup.php";
$theme = theme_config::load($themename);
$themerev = theme_get_revision();
if ($themerev <= 0 or $rev != $themerev) {
// Do not send caching headers if they do not request current revision,
// we do not want to pollute browser caches with outdated JS.
js_send_uncached($theme->javascript_content($type));
}
make_localcache_directory('theme', false);
js_write_cache_file_content($candidate, core_minify::js_files($theme->javascript_files($type)));
// Verify nothing failed in cache file creation.
clearstatcache();
if (file_exists($candidate)) {
js_send_cached($candidate, $etag);
}
js_send_uncached($theme->javascript_content($type));
// If-Modified-Since requests so there is no need to handle them specially.
header('Expires: ' . date('r', time() + 365 * 24 * 3600));
header('Cache-Control: max-age=' . 365 * 24 * 3600);
// Pragma is set to no-cache by default so must be overridden.
header('Pragma:');
}
// Get the right MIME type.
$mimetype = mimeinfo('type', $file);
// For JS files, these can be minified and stored in cache.
if ($mimetype === 'application/x-javascript' && $allowcache) {
// The cached file is stored without version number etc. This is okay
// because $CFG->cachedir is cleared each time there is a plugin update,
// such as a new version of a tinymce plugin.
// Flatten filename and include cache location.
$cache = $CFG->cachedir . '/editor_tinymce/pluginjs';
$cachefile = $cache . '/' . $tinymceplugin . str_replace('/', '_', $innerpath);
// If it doesn't exist, minify it and save to that location.
if (!file_exists($cachefile)) {
$content = core_minify::js_files(array($file));
js_write_cache_file_content($cachefile, $content);
}
$file = $cachefile;
} else {
if ($mimetype === 'text/html') {
header('X-UA-Compatible: IE=edge');
}
}
// Serve file.
header('Content-Length: ' . filesize($file));
header('Content-Type: ' . $mimetype);
readfile($file);
$jsfiles[] = $jsfile;
}
if (!$jsfiles) {
// bad luck - no valid files
die;
}
$etag = sha1($rev . implode(',', $jsfiles));
// Use the caching only for meaningful revision numbers which prevents future cache poisoning.
if ($rev > 0 and $rev < time() + 60 * 60) {
$candidate = $CFG->localcachedir . '/js/' . $etag;
if (file_exists($candidate)) {
if (!empty($_SERVER['HTTP_IF_NONE_MATCH']) || !empty($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
// we do not actually need to verify the etag value because our files
// never change in cache because we increment the rev parameter
js_send_unmodified(filemtime($candidate), $etag);
}
js_send_cached($candidate, $etag);
} else {
js_write_cache_file_content($candidate, core_minify::js_files($jsfiles));
// verify nothing failed in cache file creation
clearstatcache();
if (file_exists($candidate)) {
js_send_cached($candidate, $etag);
}
}
}
$content = '';
foreach ($jsfiles as $jsfile) {
$content .= file_get_contents($jsfile) . "\n";
}
js_send_uncached($content, $etag);
