mirror of
https://github.com/moodle/moodle.git
synced 2025-01-17 21:49:15 +01:00
189 lines
6.6 KiB
PHP
189 lines
6.6 KiB
PHP
<?php // $Id$
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/// The Web service script that is called from the filepicker front end
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require_once('../config.php');
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require_once('../lib/filelib.php');
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require_once('lib.php');
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/// Parameters
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$p = optional_param('p', '', PARAM_INT); // page or path
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$env = optional_param('env', 'form', PARAM_ALPHA); // opened in editor or moodleform
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$file = optional_param('file', '', PARAM_RAW); // file to download
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$title = optional_param('title', '', PARAM_FILE); // new file name
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$action = optional_param('action', '', PARAM_ALPHA);
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$ctx_id = optional_param('ctx_id', SITEID, PARAM_INT); // context ID
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$repo_id = optional_param('repo_id', 1, PARAM_INT); // repository ID
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$callback = optional_param('callback', '', PARAM_CLEANHTML);
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/// Headers to make it not cacheable
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header("Cache-Control: no-cache, must-revalidate");
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header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
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/// Check permissions
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if (! (isloggedin() && repository_check_context($ctx_id)) ) {
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$err = new stdclass;
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$err->e = get_string('nopermissiontoaccess', 'repository');
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die(json_encode($err));
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}
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/// Wait as long as it takes for this script to finish
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set_time_limit(0);
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/// Check for actions that do not need repository ID
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switch ($action) {
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case 'gsearch': // Global Search
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$repos = repository_get_instances(array(get_context_instance_by_id($ctx_id), get_system_context()));
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$list = array();
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foreach($repos as $repo){
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if ($repo->global_search()) {
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try {
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$ret = $repo->get_listing(null, $search);
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array_walk($ret['list'], 'repository_attach_id', $repo->id); // See function below
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$tmp = array_merge($list, $ret['list']);
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$list = $tmp;
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} catch (repository_exception $e) {
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$err = new stdclass;
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$err->e = $e->getMessage();
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die(json_encode($err));
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}
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}
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}
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die(json_encode(array('list'=>$list)));
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break;
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case 'ccache': // Clean cache
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$cache = new curl_cache;
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$cache->refresh();
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$action = 'list';
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break;
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}
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/// Get repository instance information
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$sql = 'SELECT i.name, i.typeid, r.type FROM {repository} r, {repository_instances} i '.
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'WHERE i.id='.$repo_id.' AND i.typeid=r.id';
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if (!$repository = $DB->get_record_sql($sql)) {
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$err = new stdclass;
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$err->e = get_string('invalidrepositoryid', 'repository');
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die(json_encode($err));
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} else {
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$type = $repository->type;
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}
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if (file_exists($CFG->dirroot.'/repository/'.$type.'/repository.class.php')) {
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require_once($CFG->dirroot.'/repository/'.$type.'/repository.class.php');
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$classname = 'repository_' . $type;
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try {
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$repo = new $classname($repo_id, $ctx_id, array('ajax'=>true, 'name'=>$repository->name));
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} catch (repository_exception $e){
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$err = new stdclass;
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$err->e = $e->getMessage();
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die(json_encode($err));
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}
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} else {
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$err = new stdclass;
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$err->e = get_string('invalidplugin', 'repository');
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die(json_encode($err));
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}
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if (!empty($callback)) {
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// call opener window to refresh repository
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// the callback url should be something like this:
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// http://xx.moodle.com/repository/ws.php?callback=yes&repo_id=1&sid=xxx
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// sid is the attached auth token from external source
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$js =<<<EOD
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<html><head><script type="text/javascript">
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window.opener.repository_callback($repo_id);
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window.close();
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</script><body></body></html>
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EOD;
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echo $js;
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die;
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}
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/// These actions all occur on the currently active repository instance
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switch ($action) {
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case 'sign':
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case 'list':
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if ($repo->check_login()) {
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try {
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if (!empty($p)) {
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echo json_encode($repo->get_listing($p));
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} else {
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echo json_encode($repo->get_listing());
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}
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} catch (repository_exception $e) {
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$err = new stdclass;
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$err->e = $e->getMessage();
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die(json_encode($err));
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}
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break;
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} else {
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$action = 'login';
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}
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case 'login':
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try {
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echo json_encode($repo->print_login());
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} catch (repository_exception $e){
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$err = new stdclass;
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$err->e = $e->getMessage();
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die(json_encode($err));
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}
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break;
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case 'logout':
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echo json_encode($repo->logout());
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break;
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case 'searchform':
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$repo->print_search();
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break;
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case 'search':
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try {
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echo json_encode($repo->search());
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} catch (repository_exception $e) {
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$err = new stdclass;
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$err->e = $e->getMessage();
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die(json_encode($err));
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}
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break;
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case 'download':
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$path = $repo->get_file($file, $title);
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$itemid = (int)substr(hexdec(uniqid()), 0, 9)+rand(1,100);
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try {
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$info = repository_move_to_filepool($path, $title, $itemid);
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if ($env == 'form'){
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echo json_encode($info);
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} else if ($env == 'editor') {
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echo json_encode($info);
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} else {
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}
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} catch (repository_exception $e){
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$err = new stdclass;
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$err->e = $e->getMessage();
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die(json_encode($err));
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} catch (Exception $e) {
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$err = new stdclass;
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$err->e = $e->getMessage();
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die(json_encode($err));
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}
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break;
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case 'upload':
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try {
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echo json_encode($repo->get_listing());
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} catch (repository_exception $e){
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$err = new stdclass;
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$err->e = $e->getMessage();
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die(json_encode($err));
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}
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break;
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}
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/**
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* Small function to walk an array to attach repository ID
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*/
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function repository_attach_id(&$value, $key, $id){
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$value['repo_id'] = $id;
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}
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