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

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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
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10
admin/oauth2callback.php
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@ -35,4 +35,12 @@ $code = required_param('code', PARAM_RAW);
// The state parameter we've given (used in moodle as a redirect url).
$state = required_param('state', PARAM_LOCALURL);
redirect(new moodle_url($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');
}