harden login page by no longer using www.groupware.org to load social media icons

This commit is contained in:
Ralf Becker 2015-02-21 13:29:10 +00:00
parent 370e503dab
commit 9cc1d409eb
5 changed files with 123 additions and 25 deletions

View File

@ -180,18 +180,50 @@ abstract class egw_framework
//error_log(__METHOD__."() setting CSP script-src $attr ".function_backtrace());
}
}
//error_log(__METHOD__."(".array2string($set).") returned ".array2string(implode(' ', self::$csp_script_src_attrs)).' '.function_backtrace());
//error_log(__METHOD__."(".array2string($set).") returned ".array2string(implode(' ', self::$csp_connect_src_attrs)).' '.function_backtrace());
return implode(' ', self::$csp_connect_src_attrs);
}
/**
* Query additional CSP frame-src from current app
* Additional attributes or urls for CSP frame-src 'self'
*
* @return array
* @var array
*/
protected function _get_csp_frame_src()
private static $csp_frame_src_attrs;
/**
* Set/get Content-Security-Policy attributes for frame-src:
*
* Calling this method with an empty array sets no frame-src, but "'self'"!
*
* @param string|array $set =array() URL (incl. protocol!)
* @return string with attributes eg. "'unsafe-inline'"
*/
public static function csp_frame_src_attrs($set=null)
{
return $GLOBALS['egw']->hooks->single('csp-frame-src', $GLOBALS['egw_info']['flags']['currentapp']);
// set frame-src attrs of API and apps via hook
if (!isset(self::$csp_frame_src_attrs) && !isset($set))
{
$frame_src = array('manual.egroupware.org', 'www.egroupware.org');
if (($additional = $GLOBALS['egw']->hooks->single('csp-frame-src', $GLOBALS['egw_info']['flags']['currentapp'])))
{
$frame_src = array_unique(array_merge($frame_src, $additional));
}
return self::csp_frame_src_attrs($frame_src);
}
if (!isset(self::$csp_frame_src_attrs)) self::$csp_frame_src_attrs = array();
foreach((array)$set as $attr)
{
if (!in_array($attr, self::$csp_frame_src_attrs))
{
self::$csp_frame_src_attrs[] = $attr;
//error_log(__METHOD__."() setting CSP script-src $attr ".function_backtrace());
}
}
//error_log(__METHOD__."(".array2string($set).") returned ".array2string(implode(' ', self::$csp_frame_src_attrs)).' '.function_backtrace());
return implode(' ', self::$csp_frame_src_attrs);
}
/**
@ -207,13 +239,10 @@ abstract class egw_framework
// - "connect-src 'self'" allows ajax requests only to self
// - "style-src 'self' 'unsave-inline'" allows only self and inline style, which we need
// - "frame-src 'self' manual.egroupware.org" allows frame and iframe content only for self or manual.egroupware.org
$frame_src = array("'self'", 'manual.egroupware.org', 'www.egroupware.org');
if (($additional = $this->_get_csp_frame_src())) $frame_src = array_unique(array_merge($frame_src, $additional));
$csp = "script-src 'self' ".self::csp_script_src_attrs().
"; connect-src 'self' ".self::csp_connect_src_attrs().
"; style-src 'self' ".self::csp_style_src_attrs().
"; frame-src ".implode(' ', $frame_src);
"; frame-src 'self' ".self::csp_frame_src_attrs();
//$csp = "default-src * 'unsafe-eval' 'unsafe-inline'"; // allow everything
header("Content-Security-Policy: $csp");
@ -512,8 +541,7 @@ abstract class egw_framework
*/
function login_screen($extra_vars)
{
//allow to include JSONP file with social media urls from egroupware.org
self::csp_script_src_attrs('https://www.egroupware.org');
self::csp_frame_src_attrs(array()); // array() no external frame-sources
//error_log(__METHOD__."() server[template_dir]=".array2string($GLOBALS['egw_info']['server']['template_dir']).", this->template=$this->template, this->template_dir=$this->template_dir, get_class(this)=".get_class($this));
$tmpl = new Template($GLOBALS['egw_info']['server']['template_dir']);

View File

@ -1,19 +1,19 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
/**
* EGroupware login page javascript
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @version $Id$
*/
egw_LAB.wait(function() {
$j.ajax('https://www.egroupware.org/social.js', {
dataType: "jsonp",
jsonp: false,
jsonpCallback: "do_social",
cache: true
}).done(function(_data)
egw_LAB.wait(function()
{
$j(document).ready(function()
{
$j(document).ready(function() {
function do_social(_data)
{
var isPixelegg = $j('link[href*="pixelegg.css"]')[0];
var social = $j(document.createElement('div'))
.attr({
@ -34,6 +34,12 @@ egw_LAB.wait(function() {
.append($j(document.createElement('img'))
.attr('src', data.svg));
}
});
}
do_social([
{ "svg": egw_webserverUrl+"/phpgwapi/templates/default/images/login_contact.svg", "url": "https://www.egroupware.org/en/contact.html", "lang": { "de": "https://www.egroupware.org/de/kontakt.html" }},
{ "svg": egw_webserverUrl+"/phpgwapi/templates/default/images/login_facebook.svg", "url": "https://www.facebook.com/egroupware" },
{ "svg": egw_webserverUrl+"/phpgwapi/templates/default/images/login_twitter.svg", "url": "https://twitter.com/egroupware" }
]);
});
});

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@ -0,0 +1,21 @@
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<?xml-stylesheet type="text/css" href="../../../../pixelegg/less/svg.css" ?>
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