forked from extern/egroupware
* Spellchecker: marking "browser based" (default for new installs) and "No" as safer and fixing CSP policy for web-spell-checker
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Ralf Becker
parent
1f214243bb
commit
aca5c7948e
@ -92,10 +92,10 @@
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<td>{lang_Enable_spellcheck_in_rich_text_editor}:</td>
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<td>
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<select name="newsettings[enabled_spellcheck]">
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<option value="">{lang_No}</option>
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<option value="">{lang_No} - {lang_more_secure}</option>
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<option value="True"{selected_enabled_spellcheck_True}>{lang_Yes}</option>
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<option value="YesNoSCAYT"{selected_enabled_spellcheck_YesNoSCAYT}>{lang_Yes,_but_no_SCAYT}</option>
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<option value="YesBrowserBased"{selected_enabled_spellcheck_YesBrowserBased}>{lang_Yes,_use_browser_based_spell_checking_engine}</option>
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<option value="YesBrowserBased"{selected_enabled_spellcheck_YesBrowserBased}>{lang_Yes,_use_browser_based_spell_checking_engine} - {lang_more_secure}</option>
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<option value="YesUseWebSpellCheck"{selected_enabled_spellcheck_YesUseWebSpellCheck}>{lang_Yes,_use_WebSpellChecker}</option>
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</select>
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</td>
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@ -266,15 +266,6 @@
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</tr>
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-->
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<tr class="row_off">
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<td>{lang_Enable_the_soap_service} {lang_(default_No,_leave_it_off_if_you_dont_use_it)}:</td>
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<td>
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<select name="newsettings[soap_enabled]">
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<option value="">{lang_No}</option>
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<option value="True"{selected_soap_enabled_True}>{lang_Yes}</option>
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</select>
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</td>
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</tr>
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<tr class="row_on">
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<td>{lang_How_many_entries_should_non-admins_be_able_to_export_(empty_=_no_limit,_no_=_no_export)}:<br />{lang_This_controls_exports_and_merging.}</td>
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<td><input name="newsettings[export_limit]" value="{value_export_limit}" size="5"></td>
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@ -422,6 +422,11 @@ class egw_ckeditor_config
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return json_encode(self::get_ckeditor_config_array($mode, $height, $expanded_toolbar, $start_path));
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}
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/**
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* URL webspellchecker uses for scripts and style-sheets
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*/
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const WEBSPELLCHECK_HOST = 'svc.webspellchecker.net';
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/**
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* Set for CK-Editor necessary CSP script-src attributes
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*
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@ -430,11 +435,14 @@ class egw_ckeditor_config
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public static function set_csp_script_src_attrs()
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{
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$attrs = array('unsafe-eval', 'unsafe-inline');
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$url = ($_SERVER['HTTPS'] ? 'https://' : 'http://').self::WEBSPELLCHECK_HOST;
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// if webspellchecker is enabled in EGroupware config, allow access to it's url
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if (in_array($GLOBALS['egw_info']['server']['enabled_spellcheck'], array('True', 'YesUseWebSpellCheck')))
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{
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$attrs[] = 'https://svc.webspellchecker.net';
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$attrs[] = $url;
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egw_framework::csp_style_src_attrs($url);
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}
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//error_log(__METHOD__."() egw_info[server][enabled_spellcheck]='{$GLOBALS['egw_info']['server']['enabled_spellcheck']}' --> attrs=".array2string($attrs));
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// tell framework CK Editor needs eval and inline javascript :(
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@ -101,7 +101,7 @@ abstract class egw_framework
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*
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* EGroupware itself currently still requires 'unsafe-eval'!
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*
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* @param string|array $set=array() 'unsafe-eval' and/or 'unsafe-inline' (without quotes!)
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* @param string|array $set =array() 'unsafe-eval' and/or 'unsafe-inline' (without quotes!) or URL (incl. protocol!)
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* @return string with attributes eg. "'unsafe-eval' 'unsafe-inline'"
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*/
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public static function csp_script_src_attrs($set=null)
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@ -122,6 +122,41 @@ abstract class egw_framework
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return implode(' ', self::$csp_script_src_attrs);
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}
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/**
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* Additional attributes or urls for CSP style-src 'self'
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*
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* 'unsafe-inline' is currently allways added, as it is used in a couple of places.
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*
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* @var array
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*/
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private static $csp_style_src_attrs = array("'unsafe-inline'");
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/**
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* Set/get Content-Security-Policy attributes for style-src: 'unsafe-inline'
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*
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* EGroupware itself currently still requires 'unsafe-inline'!
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*
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* @param string|array $set =array() 'unsafe-inline' (without quotes!) and/or URL (incl. protocol!)
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* @return string with attributes eg. "'unsafe-inline'"
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*/
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public static function csp_style_src_attrs($set=null)
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{
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foreach((array)$set as $attr)
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{
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if (in_array($attr, array('none', 'self', 'unsafe-inline')))
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{
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$attr = "'$attr'"; // automatic add quotes
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}
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if (!in_array($attr, self::$csp_style_src_attrs))
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{
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self::$csp_style_src_attrs[] = $attr;
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//error_log(__METHOD__."() setting CSP script-src $attr ".function_backtrace());
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}
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}
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//error_log(__METHOD__."(".array2string($set).") returned ".array2string(implode(' ', self::$csp_script_src_attrs)).' '.function_backtrace());
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return implode(' ', self::$csp_style_src_attrs);
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}
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/**
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* Query additional CSP frame-src from current app
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*
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@ -146,11 +181,13 @@ abstract class egw_framework
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// - "style-src 'self' 'unsave-inline'" allows only self and inline style, which we need
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// - "frame-src 'self' manual.egroupware.org" allows frame and iframe content only for self or manual.egroupware.org
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$frame_src = array("'self'", 'manual.egroupware.org');
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if (($additional = $this->_get_csp_frame_src())) $frame_src = array_merge($frame_src, $additional);
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if (($additional = $this->_get_csp_frame_src())) $frame_src = array_unique(array_merge($frame_src, $additional));
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$csp = "script-src 'self' ".self::csp_script_src_attrs().
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"; connect-src 'self'".
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"; style-src 'self' ".self::csp_style_src_attrs().
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"; frame-src ".implode(' ', $frame_src);
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$csp = "script-src 'self' ".($script_attrs=self::csp_script_src_attrs()).
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"; connect-src 'self'; style-src 'self' 'unsafe-inline'; frame-src ".implode(' ', $frame_src);
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//error_log(__METHOD__."() script_attrs=$script_attrs");
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//$csp = "default-src * 'unsafe-eval' 'unsafe-inline'"; // allow everything
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header("Content-Security-Policy: $csp");
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header("X-Webkit-CSP: $csp"); // Chrome: <= 24, Safari incl. iOS
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@ -446,7 +483,7 @@ abstract class egw_framework
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{
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//allow to include JSONP file with social media urls from egroupware.org
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self::csp_script_src_attrs('https://www.egroupware.org');
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//error_log(__METHOD__."() server[template_dir]=".array2string($GLOBALS['egw_info']['server']['template_dir']).", this->template=$this->template, this->template_dir=$this->template_dir, get_class(this)=".get_class($this));
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$tmpl = new Template($GLOBALS['egw_info']['server']['template_dir']);
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@ -240,8 +240,8 @@ class setup_process
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{
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unset($current_config['aspell_path']);
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}
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// always enable spellchecker, ckeditor now uses spell-as-you-type via a public webservice
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$current_config['enabled_spellcheck'] = 'True';
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// always enable browser based spellchecker
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$current_config['enabled_spellcheck'] = 'YesBrowserBased';
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// always enable history logging for calendar, addressbook and infolog
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$current_config['history'] = 'history'; // addressbook: only admin
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