MDL-33501 - oauth2lib: enforce sesskey in oauth2callback.php

The sesskey needs to be embeded in the local url returned as this is the
only parameter we have control of.
This commit is contained in:
Dan Poltawski 2012-06-04 11:11:38 +08:00
parent db7602af7c
commit 5df1b73748
3 changed files with 17 additions and 5 deletions

View file

@ -35,4 +35,12 @@ $code = required_param('code', PARAM_RAW);
// The state parameter we've given (used in moodle as a redirect url). // The state parameter we've given (used in moodle as a redirect url).
$state = required_param('state', PARAM_LOCALURL); $state = required_param('state', PARAM_LOCALURL);
redirect(new moodle_url($state, array('code' => $code))); $redirecturl = new moodle_url($state);
$params = $redirecturl->params();
if (isset($params['sesskey']) and confirm_sesskey($params['sesskey'])) {
$redirecturl->param('code', $code);
redirect($redirecturl);
} else {
print_error('invalidsesskey');
}

View file

@ -39,8 +39,10 @@ class repository_googledocs extends repository {
public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array()) { public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array()) {
parent::__construct($repositoryid, $context, $options); parent::__construct($repositoryid, $context, $options);
$returnurl = new moodle_url('/repository/repository_callback.php', $returnurl = new moodle_url('/repository/repository_callback.php');
array('callback' => 'yes', 'repo_id' =>$this->id)); $returnurl->param('callback', 'yes');
$returnurl->param('repo_id', $this->id);
$returnurl->param('sesskey', sesskey());
$clientid = get_config('googledocs', 'clientid'); $clientid = get_config('googledocs', 'clientid');
$secret = get_config('googledocs', 'secret'); $secret = get_config('googledocs', 'secret');

View file

@ -41,8 +41,10 @@ class repository_picasa extends repository {
public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array()) { public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array()) {
parent::__construct($repositoryid, $context, $options); parent::__construct($repositoryid, $context, $options);
$returnurl = new moodle_url('/repository/repository_callback.php', $returnurl = new moodle_url('/repository/repository_callback.php');
array('callback' => 'yes', 'repo_id' =>$this->id)); $returnurl->param('callback', 'yes');
$returnurl->param('repo_id', $this->id);
$returnurl->param('sesskey', sesskey());
$clientid = get_config('picasa', 'clientid'); $clientid = get_config('picasa', 'clientid');
$secret = get_config('picasa', 'secret'); $secret = get_config('picasa', 'secret');