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fix csp-*-source hook not run, if Api\Header\ContenSecurity::add() was called

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This commit is contained in:
Ralf Becker 2020-04-30 17:31:46 +02:00
parent 1973264b6b
commit 9a548dca68
1 changed files with 8 additions and 7 deletions
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15
api/src/Header/ContentSecurityPolicy.php
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@ -37,8 +37,8 @@ class ContentSecurityPolicy
private static $sources = array( // our dhtmlxcommon version (not the current) uses eval,
'script-src' => array("'unsafe-eval'"), // sidebox javascript links, et2_widget_date / jQueryUI datepicker, maybe more
'style-src' => array("'unsafe-inline'"), // eTemplate styles and custom framework colors
'connect-src' => null, // NOT array(), to allow setting no default connect-src!
'frame-src' => null, // NOT array(), to allow setting no default frame-src!
'connect-src' => null, // NOT array(), to call the hook
'frame-src' => null, // NOT array(), to call the hook
'manifest-src'=> ["'self'"],
'frame-ancestors' => ["'self'"], // does not allow to frame (embed in frameset) other then self / clickjacking protection
'media-src' => ["data:"],
@ -49,7 +49,7 @@ class ContentSecurityPolicy
/**
* Add Content-Security-Policy sources
*
* Calling this method with an empty array for frame-src, sets no defaults but "'self'"!
* Calling this method with an empty array for frame-src or connect-src causes the hook to NOT run and just set 'self'!
*
* @param string $source valid CSP source types like 'script-src', 'style-src', 'connect-src', 'frame-src', ...
* @param string|array $attrs 'unsafe-eval', 'unsafe-inline' (without quotes!), full URLs or protocols (incl. colon!)
@ -65,9 +65,8 @@ class ContentSecurityPolicy
elseif (!isset(self::$sources[$source]))
{
// set frame-src attrs of API and apps via hook
if (in_array($source, ['frame-src', 'connect-src']) && !isset($attrs))
if (in_array($source, ['frame-src', 'connect-src']) && $attrs !== [])
{
$attrs = [];
// for regular (non login) pages, call hook allowing apps to add additional frame- and connect-src
if (basename($_SERVER['PHP_SELF']) !== 'login.php' &&
// no permission / user-run-rights check for connect-src
@ -75,7 +74,7 @@ class ContentSecurityPolicy
{
foreach($app_additional as $app => $additional)
{
if ($additional) $attrs = array_unique(array_merge($attrs, $additional));
if ($additional) $attrs = array_unique(array_merge((array)$attrs, $additional));
}
}
}
@ -124,6 +123,8 @@ class ContentSecurityPolicy
/**
* Set Content-Security-Policy attributes for connect-src:
*
* Calling this method with an empty array for caused the hook to NOT run and just set 'self'!
*
* @param string|array $set 'unsafe-eval', 'unsafe-inline' (without quotes!), full URLs or protocols (incl. colon!)
*/
public static function add_connect_src($set=null)
@ -134,7 +135,7 @@ class ContentSecurityPolicy
/**
* Set/get Content-Security-Policy attributes for frame-src:
*
* Calling this method with an empty array sets no frame-src, but "'self'"!
* Calling this method with an empty array for caused the hook to NOT run and just set 'self'!
*
* @param string|array $set 'unsafe-eval', 'unsafe-inline' (without quotes!), full URLs or protocols (incl. colon!)
*/