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Check both $_SERVER['HTTP_AUTHORIZATION'] and $_SERVER['REDIRECT_HTTP_AUTHORIZATION'] for HTTP Basic authentication headers

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This commit is contained in:
Corey Sewell 2015-03-17 12:07:21 +13:00
parent 2742f46b79
commit 46e61b3448
1 changed files with 12 additions and 2 deletions
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14
security/BasicAuth.php
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@ -50,9 +50,19 @@ class BasicAuth {
$isRunningTests = (class_exists('SapphireTest', false) && SapphireTest::is_running_test());
if(!Security::database_is_ready() || (Director::is_cli() && !$isRunningTests)) return true;
/*
* Enable HTTP Basic authentication workaround for PHP running in CGI mode with Apache
* Depending on server configuration the auth header may be in HTTP_AUTHORIZATION or
* REDIRECT_HTTP_AUTHORIZATION
*
* The follow rewrite rule must be in the sites .htaccess file to enable this workaround
* RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
*/
$authHeader = (isset($_SERVER['HTTP_AUTHORIZATION']) ? $_SERVER['HTTP_AUTHORIZATION'] :
(isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION']) ? $_SERVER['REDIRECT_HTTP_AUTHORIZATION'] : null));
$matches = array();
if (isset($_SERVER['HTTP_AUTHORIZATION']) &&
preg_match('/Basic\s+(.*)$/i', $_SERVER['HTTP_AUTHORIZATION'], $matches)) {
if ($authHeader &&
preg_match('/Basic\s+(.*)$/i', $authHeader, $matches)) {
list($name, $password) = explode(':', base64_decode($matches[1]));
$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
$_SERVER['PHP_AUTH_PW'] = strip_tags($password);