[moodle.git] / repository / ws.php

<?php
set_time_limit(0);
header("Cache-Control: no-cache, must-revalidate");
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
require_once('../config.php');
require_once('../lib/filelib.php');
require_once('lib.php');
// page or path
$p     = optional_param('p', '', PARAM_INT);
// opened in editor or moodleform
$env   = optional_param('env', 'form', PARAM_ALPHA);
// file to download
$file  = optional_param('file', '', PARAM_RAW);
// rename the file name
$title = optional_param('title', '', PARAM_FILE);
$action = optional_param('action', '', PARAM_ALPHA);
$callback = optional_param('callback', '', PARAM_CLEANHTML);
// repository ID
$repo_id = optional_param('repo_id', 1, PARAM_INT);
$ctx_id  = optional_param('ctx_id', SITEID, PARAM_INT);
$userid  = $USER->id;

// check context id
if (!repository_check_context($ctx_id)) {
    $err = new stdclass;
    $err->e = get_string('nopermissiontoaccess', 'repository');
    die(json_encode($err));
}

/**
 * walk an array to attach repository ID
 */
function attach_repository_id(&$value, $key, $id){
    $value['repo_id'] = $id;
}

/**
 * these actions are requested without repository ID
 */
switch ($action) {
case 'gsearch':
    // global search
    $repos = repository_get_instances(array(get_context_instance_by_id($ctx_id), get_system_context()));
    $list = array();
    foreach($repos as $repo){
        if ($repo->global_search()) {
            try {
                $ret = $repo->get_listing(null, $search);
                array_walk($ret['list'], 'attach_repository_id', $repo->id);
                $tmp = array_merge($list, $ret['list']);
                $list = $tmp;
            } catch (repository_exception $e) {
                $err = new stdclass;
                $err->e = $e->getMessage();
                die(json_encode($err));
            }
        }
    }
    die(json_encode(array('list'=>$list)));
    break;
case 'ccache':
    //clean cache
    $cache = new curl_cache;
    $cache->refresh();
    $action = 'list';
    break;
}

// Get repository instance information
$sql = 'SELECT i.name, i.typeid, r.type FROM {repository} r, {repository_instances} i WHERE i.id='.$repo_id.' AND i.typeid=r.id';
if(!$repository = $DB->get_record_sql($sql)) {
    $err = new stdclass;
    $err->e = get_string('invalidrepositoryid', 'repository');
    die(json_encode($err));
} else {
    $type = $repository->type;
}

if(file_exists($CFG->dirroot.'/repository/'.
    $type.'/repository.class.php'))
{
    require_once($CFG->dirroot.'/repository/'.
        $type.'/repository.class.php');
    $classname = 'repository_' . $type;
    try{
        $repo = new $classname($repo_id, $ctx_id, array('ajax'=>true, 'name'=>$repository->name));
    } catch (repository_exception $e){
        $err = new stdclass;
        $err->e = $e->getMessage();
        die(json_encode($err));
    }
} else {
    $err = new stdclass;
    $err->e = get_string('invalidplugin', 'repository');
    die(json_encode($err));
}

if (!empty($callback)) {
    // call opener window to refresh repository
    // the callback url should be something like this:
    // http://xx.moodle.com/repository/ws.php?callback=yes&repo_id=1&sid=xxx
    // sid is the attached auth token from external source
    $js  =<<<EOD
<html><head><script type="text/javascript">
window.opener.repository_callback($repo_id);
window.close();
</script><body></body></html>
EOD;
    echo $js;
    die;
}

switch ($action) {
case 'searchform':
    $repo->print_search();
    break;
case 'login':
    try {
        echo json_encode($repo->print_login());
    } catch (repository_exception $e){
        $err = new stdclass;
        $err->e = $e->getMessage();
        die(json_encode($err));
    }
    break;
case 'search':
    try {
        echo json_encode($repo->search());
    } catch (repository_exception $e) {
        $err = new stdclass;
        $err->e = $e->getMessage();
        die(json_encode($err));
    }
    break;
case 'list':
    try {
        if(!empty($p)) {
            echo json_encode($repo->get_listing($p));
        } else {
            echo json_encode($repo->get_listing());
        }
    } catch (repository_exception $e) {
        $err = new stdclass;
        $err->e = $e->getMessage();
        die(json_encode($err));
    }
    break;
case 'download':
    $path = $repo->get_file($file, $title);
    $itemid = (int)substr(hexdec(uniqid()), 0, 9)+rand(1,100);
    try {
        $info = repository_move_to_filepool($path, $title, $itemid);
        if($env == 'form'){
            echo json_encode($info);
        } elseif($env == 'editor') {
            echo json_encode($info);
        } else {
        }
    } catch (repository_exception $e){
        $err = new stdclass;
        $err->e = $e->getMessage();
        die(json_encode($err));
    } catch (Exception $e) {
        $err = new stdclass;
        $err->e = $e->getMessage();
        die(json_encode($err));
    }
    break;
case 'upload':
    try {
        echo json_encode($repo->get_listing());
    } catch (repository_exception $e){
        $err = new stdclass;
        $err->e = $e->getMessage();
        die(json_encode($err));
    }
    break;
}
Commit	Line	Data
0eb58cf4	1	<?php
1e28c767	2	set_time_limit(0);
0e8ae38e	3	header("Cache-Control: no-cache, must-revalidate");
0e8ae38e	4	header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
0eb58cf4	5	require_once('../config.php');
6cbb4efb	6	require_once('../lib/filelib.php');
0eb58cf4	7	require_once('lib.php');
55b4bb1d	8	// page or path
b6558c3b	9	$p = optional_param('p', '', PARAM_INT);
3e515a9f	10	// opened in editor or moodleform
b6558c3b	11	$env = optional_param('env', 'form', PARAM_ALPHA);
3e515a9f	12	// file to download
64be2d6c	13	$file = optional_param('file', '', PARAM_RAW);
3e515a9f	14	// rename the file name
b6558c3b	15	$title = optional_param('title', '', PARAM_FILE);
b6558c3b	16	$action = optional_param('action', '', PARAM_ALPHA);
8988c36b	17	$callback = optional_param('callback', '', PARAM_CLEANHTML);
cf493e89	18	// repository ID
3570711a	19	$repo_id = optional_param('repo_id', 1, PARAM_INT);
f3a6f85b	20	$ctx_id = optional_param('ctx_id', SITEID, PARAM_INT);
f3a6f85b	21	$userid = $USER->id;
5bce5972	22
cf493e89	23	// check context id
455860ce	24	if (!repository_check_context($ctx_id)) {
	25	$err = new stdclass;
	26	$err->e = get_string('nopermissiontoaccess', 'repository');
	27	die(json_encode($err));
	28	}
	29
cf493e89	30	/**
	31	* walk an array to attach repository ID
	32	*/
d05ef4a3	33	function attach_repository_id(&$value, $key, $id){
	34	$value['repo_id'] = $id;
	35	}
cf493e89	36
	37	/**
	38	* these actions are requested without repository ID
	39	*/
	40	switch ($action) {
	41	case 'gsearch':
	42	// global search
455860ce	43	$repos = repository_get_instances(array(get_context_instance_by_id($ctx_id), get_system_context()));
	44	$list = array();
	45	foreach($repos as $repo){
	46	if ($repo->global_search()) {
	47	try {
	48	$ret = $repo->get_listing(null, $search);
d05ef4a3	49	array_walk($ret['list'], 'attach_repository_id', $repo->id);
d05ef4a3	50	$tmp = array_merge($list, $ret['list']);
455860ce	51	$list = $tmp;
	52	} catch (repository_exception $e) {
	53	$err = new stdclass;
	54	$err->e = $e->getMessage();
	55	die(json_encode($err));
	56	}
	57	}
	58	}
	59	die(json_encode(array('list'=>$list)));
cf493e89	60	break;
	61	case 'ccache':
	62	//clean cache
aae85978	63	$cache = new curl_cache;
aae85978	64	$cache->refresh();
7dfb3c1c	65	$action = 'list';
cf493e89	66	break;
aae85978	67	}
455860ce	68
cf493e89	69	// Get repository instance information
b3276c45	70	$sql = 'SELECT i.name, i.typeid, r.type FROM {repository} r, {repository_instances} i WHERE i.id='.$repo_id.' AND i.typeid=r.id';
5a3b9db9	71	if(!$repository = $DB->get_record_sql($sql)) {
bf1fccf0	72	$err = new stdclass;
	73	$err->e = get_string('invalidrepositoryid', 'repository');
	74	die(json_encode($err));
5a3b9db9	75	} else {
5a3b9db9	76	$type = $repository->type;
0eb58cf4	77	}
0eb58cf4	78
bf1fccf0	79	if(file_exists($CFG->dirroot.'/repository/'.
5a3b9db9	80	$type.'/repository.class.php'))
bf1fccf0	81	{
bf1fccf0	82	require_once($CFG->dirroot.'/repository/'.
5a3b9db9	83	$type.'/repository.class.php');
5a3b9db9	84	$classname = 'repository_' . $type;
bf1fccf0	85	try{
b3276c45	86	$repo = new $classname($repo_id, $ctx_id, array('ajax'=>true, 'name'=>$repository->name));
bf1fccf0	87	} catch (repository_exception $e){
	88	$err = new stdclass;
	89	$err->e = $e->getMessage();
3570711a	90	die(json_encode($err));
bf1fccf0	91	}
0eb58cf4	92	} else {
bf1fccf0	93	$err = new stdclass;
	94	$err->e = get_string('invalidplugin', 'repository');
	95	die(json_encode($err));
0eb58cf4	96	}
0eb58cf4	97
8988c36b	98	if (!empty($callback)) {
	99	// call opener window to refresh repository
	100	// the callback url should be something like this:
	101	// http://xx.moodle.com/repository/ws.php?callback=yes&repo_id=1&sid=xxx
	102	// sid is the attached auth token from external source
	103	$js =<<<EOD
	104	<html><head><script type="text/javascript">
	105	window.opener.repository_callback($repo_id);
	106	window.close();
	107	</script><body></body></html>
	108	EOD;
	109	echo $js;
	110	die;
	111	}
	112
cf493e89	113	switch ($action) {
2b9feb5f	114	case 'searchform':
	115	$repo->print_search();
	116	break;
cf493e89	117	case 'login':
	118	try {
	119	echo json_encode($repo->print_login());
	120	} catch (repository_exception $e){
	121	$err = new stdclass;
	122	$err->e = $e->getMessage();
	123	die(json_encode($err));
	124	}
	125	break;
cf493e89	126	case 'search':
fbd508b4	127	try {
	128	echo json_encode($repo->search());
	129	} catch (repository_exception $e) {
	130	$err = new stdclass;
	131	$err->e = $e->getMessage();
	132	die(json_encode($err));
	133	}
	134	break;
	135	case 'list':
bf1fccf0	136	try {
	137	if(!empty($p)) {
	138	echo json_encode($repo->get_listing($p));
bf1fccf0	139	} else {
	140	echo json_encode($repo->get_listing());
	141	}
	142	} catch (repository_exception $e) {
	143	$err = new stdclass;
	144	$err->e = $e->getMessage();
	145	die(json_encode($err));
5bce5972	146	}
cf493e89	147	break;
cf493e89	148	case 'download':
d8eb6e18	149	$path = $repo->get_file($file, $title);
64be2d6c	150	$itemid = (int)substr(hexdec(uniqid()), 0, 9)+rand(1,100);
bf1fccf0	151	try {
49a1ce19	152	$info = repository_move_to_filepool($path, $title, $itemid);
d8eb6e18	153	if($env == 'form'){
c0fa8cba	154	echo json_encode($info);
d8eb6e18	155	} elseif($env == 'editor') {
c0fa8cba	156	echo json_encode($info);
d8eb6e18	157	} else {
6cbb4efb	158	}
bf1fccf0	159	} catch (repository_exception $e){
	160	$err = new stdclass;
	161	$err->e = $e->getMessage();
	162	die(json_encode($err));
c2762f06	163	} catch (Exception $e) {
	164	$err = new stdclass;
	165	$err->e = $e->getMessage();
	166	die(json_encode($err));
bf1fccf0	167	}
cf493e89	168	break;
cf493e89	169	case 'upload':
5a3b9db9	170	try {
	171	echo json_encode($repo->get_listing());
	172	} catch (repository_exception $e){
	173	$err = new stdclass;
	174	$err->e = $e->getMessage();
	175	die(json_encode($err));
	176	}
cf493e89	177	break;
0eb58cf4	178	}