wordpress-theme-openmamba/functions.php

<?php

// Exit if accessed directly
if ( !defined( 'ABSPATH' ) ) {
	exit;
}

//add_action( 'login_init', 'send_frame_options_header', 10, 0 );

// Convenience function for translations in 'responsive' domain
function _r($text) {
   return __($text, 'responsive');
}

function openmamba_breadcrumbs() {
   $text['category'] = '';
}

// custom fonts
function add_custom_font() {
   $url = get_stylesheet_directory_uri() . '/fonts/comfortaa-regular/stylesheet.css';
   wp_register_style('comfortaaregular', $url);
   wp_enqueue_style('comfortaaregular');
   wp_register_style('comfortaalight', $url);
   wp_enqueue_style('comfortaalight');
   wp_register_style('comfortaabold', $url);
   wp_enqueue_style('comfortaabold');
}
add_action('wp_print_styles', 'add_custom_font');

// add styles and scripts
function add_custom_scripts() {
   wp_deregister_script('jquery');
   $protocol = 'http:';
   if($_SERVER['HTTPS']=='on') {
      $protocol='https:';
   }
   //$output .= "<script type=\"text/javascript\" src=\"" . get_stylesheet_directory_uri() . "/scripts/jquery.cookiebar.js\"></script>\n";
   wp_register_script('jquery', get_stylesheet_directory_uri() . "/scripts/jquery.min.js", false, '1.11.3');
   wp_enqueue_script('jquery');
   $JQUERY_LOADED = true;
   wp_register_script('jquerymigrate', get_stylesheet_directory_uri() . "/scripts/jquery-migrate-1.2.1.min.js", false, '1.2.1');
   wp_enqueue_script('jquerymigrate');
}
add_action('template_redirect', 'add_custom_scripts');

function add_mime_types($mime_types) {
   $mime_types['txt'] = 'text/plain';
   return $mime_types;
}
add_filter('upload_mimes', 'add_mime_types', 1, 1);

function add_search_box($items, $args) {
    if($args->theme_location == 'header-menu') {
        ob_start();
        get_search_form();
        $searchform = ob_get_contents();
        ob_end_clean();
 
        return $items .= '<li id="searchform-item">' . $searchform . '</li>';
    }
    return $items;
}
add_filter('wp_nav_menu_items','add_search_box', 10, 2);

function set_title($title) {
   $url = $_SERVER['REQUEST_URI'];
   $spliturl = explode('?', $url);
   $splituri = explode('/', $spliturl[0]);

   if (sizeof($splituri) > 2 && $splituri[2] == "rpms") {
      // Set title for distroquery-api
      if (sizeof($splituri) > 5) {
         if ($splituri[5] == "")
            return $splituri[4] . " (" . _r("Source RPM") . ") | ";
         else
            return $splituri[4] . " (" . $splituri[5] . ") | ";
      } else if (sizeof($splituri) > 4) {
         return _r("Repository") . " " . $splituri[3] . " | ";
      }
      return _r("Repositories") . " | ";
   } else if (sizeof($spliturl) > 1) {
      // Set title for obsolete packages pages
      $urlargs = $spliturl[1];
      parse_str($urlargs, $args);
      $newtitle = $title;
      if (array_key_exists('arch', $args)) {
         if (preg_match('/^[a-zA-Z0-9._]*$/', $args['arch'])) {
             $newtitle = urlencode($args['arch']) . " - " . $newtitle;
         } else {
             $newtitle = " Invalid request - " . $newtitle;
         }
      }
      if (array_key_exists('tag', $args)) {
         if (preg_match('/^[a-zA-Z0-9._-]*$/', $args['tag'])) {
            $newtitle  = urlencode($args['tag']) . " - " . $newtitle;
         } else {
             $newtitle = " Invalid request - " . $newtitle;
         }
      }
      if (array_key_exists('pkg', $args)) {
         if ($args['pkg'] == '_index')
            $newtitle = 'Index - ' . $newtitle;
         else {
            if (preg_match('/^[a-zA-Z0-9._+-]*$/', $args['pkg'])) {
               $e = explode('.', urlencode($args['pkg']));
               $newtitle = $e[0] . " - " . $e[1] . " - " . $newtitle;
            } else {
               $newtitle = " Invalid request - " . $newtitle;
            }
         }
      }
      return $newtitle;
   }
   return $title;
}
add_filter('wp_title','set_title');

// openmamba downloads pages
function openmamba_download_link($milestone, $medium, $currarch, $ext, $mlword, $lang) {
  $latest_file = "/var/ftp/pub/openmamba/media/".$milestone."/".$medium."/".$lang."/latest.inc.php";
  if (!file_exists($latest_file)) return "";
  eval(file_get_contents("/var/ftp/pub/openmamba/media/".$milestone."/".$medium."/".$lang."/latest.inc.php"));
  if ("$milestone" == "devel") {
     $displaymilestone = "rolling";
  } else {
     $displaymilestone = "$milestone";
  }
  $currreleasetag=$releaseTag[$medium.'-'.$milestone.'-'.$lang.'-'.$currarch];
  $ret = '';
#  if ($lang != "it") {
  $downloadmirror = 'https://cdn.openmamba.org/pub/openmamba/media';
#  } else {
#     $downloadmirror = '/media';
#  }
  if ("$currreleasetag" != "") {
     $ret .= "<table style='border:0;margin:0;margin-bottom:5px;'><tr><td style='vertical-align:middle;padding:4px;border:0;margin:0;width:20px;align:center;'><img src=/wp-content/themes/openmamba/download.png /></td>";
     $ret .= "<td style='border:0;margin:0;padding:4px;'><h5 style='margin:1px;'><a href=\"" . $downloadmirror. "/$milestone/$medium/$lang/".
             $nameMedium[$medium.'-'.$currreleasetag.'-'.$lang.'-'.$currarch]."\">";
     $ret .= "openmamba $displaymilestone $medium ";
     $ret .= __('for','responsive')." $currarch ($mlword)</a>&nbsp;</h5>";
     $ret .= "<i>";
     $ret .= __('File size:','responsive').' '.$sizeMedium[$medium.'-'.$currreleasetag.'-'.$lang.'-'.$currarch].'B; ';
     $ret .= __('Date','responsive').': '.substr($builddateMedium[$medium.'-'.$currreleasetag.'-'.$lang.'-'.$currarch],
                       0, strpos($builddateMedium[$medium.'-'.$currreleasetag.'-'.$lang.'-'.$currarch], ' '));
     $ret .= "; Md5: " . $md5Medium[$medium.'-'.$currreleasetag.'-'.$lang.'-'.$currarch];
     $ret .= "</i></td></tr></table>";
  } else {
     $ret .= "<table style='border:0;margin:0;margin-bottom:5px;'><tr><td style='vertical-align:middle;padding:4px;border:0;margin:0;width:20px;align:center;'><img src=/wp-content/themes/openmamba/download.png /></td>";
     $ret .= "<td style='border:0;margin:0;padding:4px;'><h5 style='margin:1px;'>";
     $ret .= "openmamba $displaymilestone $medium ";
     $ret .= __('for','responsive')." $currarch ($mlword)&nbsp;</h5>";
     $ret .= "<i><font color=red>";
     $ret .= __('Sorry, download is temporary unavailable. If the problem persists please report the problem.','responsive');
     $ret .= "</font></i></td></tr></table>";
  }
  return $ret;
}

function openmamba_infofile($mediaprefix, $milestone, $fallbackmilestone, $medium, $outputlang, $filename) {
   if (file_exists("$mediaprefix/$milestone/$medium/info/$filename.$outputlang.html.inc")) {
      $script_file = "$mediaprefix/$milestone/$medium/info/$filename.$outputlang.html.inc";
   } else if (file_exists("$mediaprefix/$fallbackmilestone/$medium/info/$filename.$outputlang.html.inc")) {
      $script_file = "$mediaprefix/$fallbackmilestone/$medium/info/$filename.$outputlang.html.inc";
   }
   $ret = '';
   if (isset($script_file)) {
      $file = fopen($script_file, "r");
      while (!feof($file)) {
        $b=fread($file,1024);
        $ret .= $b;
      }
      fclose($file);
   }
   return $ret;
}

function openmamba_download_func( $atts ) {
   $a = shortcode_atts( array(
      'milestone' => 'devel',
      'medium' => 'livedvd',
      'multilang' => '0',
      'archs' => 'x86_64;i586;arm;aarch64', // bitmask: 1=x86_64 2=i586 3=arm
      'ext' => '.iso'
      ), $atts );
   $milestone = $a['milestone'];
   $medium = $a['medium'];
   $ext = $a['ext'];
   $fallbackmilestone = 'milestone2';
   if ("$milestone" == "devel") {
      $displaymilestone = "rolling";
      $suffixmilestone = "snapshot";
   } else {
      $displaymilestone = "$milestone";
      $suffixmilestone = "$milestone";
   }
   $archname = array("x86_64", "aarch64", "i586", "arm");
   $mediaprefix = '/var/ftp/pub/openmamba/media';
   $mediafallbackprefix = '/var/ftp/pub/openmamba/media/milestone2';
   $outputlang = get_bloginfo("language");
   $outputlang = substr($outputlang,0,2);
   if ("$outputlang" != "it") {
      $outputlang = "en";
      $mlword = "multilanguage";
   } else {
      $mlword = "multilingue";
   }
   $ret = "<h3>openmamba $medium $displaymilestone</h3>";

   $ret .= do_shortcode(
      openmamba_infofile($mediaprefix,$milestone,$fallbackmilestone,$medium,$outputlang,"description"));

   $ret .= "<br><br>";
   if ($a['multilang']) {
      reset($archname);
      foreach($archname as $ey => $currarch) {
         if (strpos(";".$a['archs'].";",$currarch) == false) continue;
            $ret .= openmamba_download_link($milestone,$medium,$currarch,$ext,$mlword,"en");
      }
   } else {
      reset($archname);
      $langs = array('it' => 'italiano','en' => 'english','es' => 'español');
      foreach($archname as $ey => $currarch) {
         if (strpos(";".$a['archs'].";",$currarch) == false) continue;
         $ret .= openmamba_download_link($milestone,$medium,$currarch,$ext,$langs[$outputlang],$outputlang);
      }
      $out = "";
      foreach ($langs as $l => $lang) {
         if ($l == $outputlang) continue;
         reset($archname);
         foreach($archname as $ey => $currarch) {
            if (strpos(";".$a['archs'].";",$currarch) == false) continue;
            $out .= openmamba_download_link($milestone,$medium,$currarch,$ext,$lang,$l);
         }
      }
      $ret .= do_shortcode("[expand title=\"". __("More languages...","responsive") . "\"]". $out ."[/expand]");
   }

   $ret .= do_shortcode("&nbsp;&nbsp;&nbsp;[expand title=\"".__("Features","responsive")."\"]".
      openmamba_infofile($mediaprefix,$milestone,$fallbackmilestone,$medium,$outputlang,"features").
      "[/expand]");

   $ret .= do_shortcode("&nbsp;&nbsp;&nbsp;[expand title=\"".__("Requirements","responsive")."\"]".
      openmamba_infofile($mediaprefix,$milestone,$fallbackmilestone,$medium,$outputlang,"requirements").
      "[/expand]");

   $ret .= do_shortcode("&nbsp;&nbsp;&nbsp;[expand title=\"".__("Preparation","responsive")."\"]".
      openmamba_infofile($mediaprefix,$milestone,$fallbackmilestone,$medium,$outputlang,"howto").
      "[/expand]");

   $ret .= "<hr>";
   return $ret;
}
add_shortcode('openmamba_download', 'openmamba_download_func');

function openmamba_webbuild_func( $atts ) {

   $urlargspos = strpos($_SERVER['REQUEST_URI'], '?');
   if ($urlargspos > 0) {
      $urlargs = substr($_SERVER['REQUEST_URI'], $urlargspos);
   }

   $a = shortcode_atts( array(
      'host' => 'buildvm01.openmamba.org'
      ), $atts );
   print '<script>host="' . $a['host'] . '"</script>';

   $file = fopen(get_stylesheet_directory() . '/webbuild.html.inc', "r");
   print fread($file, 20000);
   flush();
   fclose($file);

   print "<script>$(document).ready(function(){ ajax_getvalues(\"" . $urlargs . "\",\"\");";
   print "ajax_getvalues_refresh(\"\",user,user_email,encodeURIComponent(secret)); })</script>";
}
add_shortcode('openmamba_webbuild', 'openmamba_webbuild_func');

function openmamba_webbuild_status_func() {

   $urlargspos = strpos($_SERVER['REQUEST_URI'], '?');
   if ($urlargspos > 0) {
      $urlargs = substr($_SERVER['REQUEST_URI'], $urlargspos);
   }
//   print "<table width=\"100%\" style=\"border:0;\"><tr><td>";
//   print "<div id=\"noajax_msg\"><p>AJAX support is not enabled in your browser. Live page updates will not be available, press Reload to update.</p></div>";
   print "<div id=\"noajax_msg\"></div>";
   print "<span class=webbuild id=\"output\">" . __("Loading, please wait...", "responsive") . "</span>";
   print "<script>$(document).ready(function(){ webbuild_status_getvalues(\"" . $urlargs . "\"); })</script>";//</td></tr></table>";
}
add_shortcode('openmamba_webbuild_status', 'openmamba_webbuild_status_func');

function openmamba_distroquery_func() {

   $urlargspos = strpos($_SERVER['REQUEST_URI'], '?');
   if ($urlargspos > 0) {
      $urlargs = substr($_SERVER['REQUEST_URI'], $urlargspos + 1);
   }

   $outputlang = get_bloginfo("language");
   if (substr($outputlang, 0, 2) == "it")
      $outputlang = "it_IT.UTF-8";
   else
      $outputlang = "en_US.UTF-8";

   if (preg_match('/^[a-zA-Z0-9._\=\-\+\/\.\&\:]*$/', $urlargs)) {
       $ret = "<div id=\"noajax_msg\"></div>";
       $ret .= "<span id=\"queryform\">Loading, please wait...</span><br>";
       $ret .= "<span id=\"querystatus\"></span><br><span id=\"queryreply\">&nbsp;</span>";
       $ret .= "<script>$(document).ready(function(){ distroquery_request(\"" . $urlargs . "\"); })</script>";
   } else {
      $ret = "<span id=\"distromatic\">" . __("Invalid request.", "responsive") . "</span><br>";
   }

   return $ret;
}
add_shortcode('openmamba_distroquery', 'openmamba_distroquery_func');

function openmamba_distromatic_func() {

   $urlargspos = strpos($_SERVER['REQUEST_URI'], '?');
   if ($urlargspos > 0) {
      $urlargs = substr($_SERVER['REQUEST_URI'], $urlargspos + 1);
   }

   $outputlang = get_bloginfo("language");
   if (substr($outputlang, 0, 2) == "it")
      $outputlang = "it_IT.UTF-8";
   else
      $outputlang = "en_US.UTF-8";

   if (preg_match('/^[a-zA-Z0-9._\=\-\+\/\.\&\:]*$/', $urlargs)) {
      $ret = "<span id=\"distromatic\">" . __("Loading, please wait...", "responsive") . "</span><br>";
      $ret .= "<script>$(document).ready(function(){ $('#distromatic').load('/distribution/distromatic.naked.html?" . $urlargs . "'); })</script>";
   } else {
      $ret = "<span id=\"distromatic\">" . __("Invalid request.", "responsive") . "</span><br>";
   }

   return $ret;
}
add_shortcode('openmamba_distromatic', 'openmamba_distromatic_func');

function openmamba_showfile_func() {

   $urlargspos = strpos($_SERVER['REQUEST_URI'], '?');
   if ($urlargspos > 0) {
      $urlargs = substr($_SERVER['REQUEST_URI'], $urlargspos + 1);
   }

   if (preg_match('/^[a-zA-Z0-9._\=\-\+\/\.\&\:]*$/', $urlargs)) {
      $ret = "<span id=\"distromatic\">" . "Loading, please wait..." . "</span><br>";
      $ret .= "<script>$(document).ready(function(){ $('#distromatic').load('/distribution/showfile.naked.html?" . $urlargs . "'); })</script>";
   } else {
      $ret = "<span id=\"distromatic\">" . __("Invalid request.", "responsive") . "</span><br>";
   }

   return $ret;
}
add_shortcode('openmamba_showfile', 'openmamba_showfile_func');

function openmamba_downloadfile_func() {

   $urlargspos = strpos($_SERVER['REQUEST_URI'], '?');
   if ($urlargspos > 0) {
      $urlargs = substr($_SERVER['REQUEST_URI'], $urlargspos + 1);
      parse_str($urlargs, $args);
      if ($args['file']) {
         $ret = "<span id=\"distromatic\">" . __("Starting download of", "responsive") . " <strong>" . basename($args['file']) . "</strong>, " . __("please wait...", "responsive") . "</span><br><br>";
         $ret .= "<script>$(document).ready(function(){ window.location.href='" . $args['file'] . "'; })</script>";
      }
   }

   return $ret;
}
add_shortcode('openmamba_downloadfile', 'openmamba_downloadfile_func');

// bbpress tag cloud
add_filter('widget_tag_cloud_args','set_number_tags');
function set_number_tags($args) {
$args = array('number' => 10, 'largest' => 20);
return $args;
}

// load_plugin_textdomain('user-registration' , get_site_url() . 'wp-content/themes/openmamba/languages/');

add_action('wp_head','hook_cookielaw');

function hook_cookielaw()
{
   $outputlang = get_bloginfo("language");
   $outputlang = substr($outputlang,0,2);
   //$message = __("This website only uses first party technical cookies necessary for the correct functioning of it.","responsive");
   if ("$outputlang" == "it") {
       $message = "Questo sito usa esclusivamente cookie di prima parte di tipo tecnico necessari per il corretto funzionamento dello stesso.";
       $policyurl = "/" . $outputlang . "/info/policy/";
   } else {
       $message = "This website only uses first party technical cookies necessary for the correct functioning of it.";
       $policyurl = "/" . $outputlang . "/about/policy/";
   }

   $accepttext = __("I Understand","responsive");
   $policytext = __("Cookie policy","responsive");
   $policyurl = "/" . $outputlang . "/info/policy/";
   $output = "<link rel=\"stylesheet\" type=\"text/css\" href=\"" . get_stylesheet_directory_uri() . "/styles/jquery.cookiebar.css\" />\n";
   $output .= "<script type=\"text/javascript\" src=\"" . get_stylesheet_directory_uri() . "/scripts/jquery.cookiebar.js\"></script>\n";
   $output .= "<script type=\"text/javascript\">$(document).ready(function(){ $.cookieBar({" .
              "message: \"" . $message . "\",acceptText: '" . $accepttext . "',".
              "policyText: '" . $policytext . "',policyURL: '" . $policyurl . "' }); });</script>\n";
   $output .= "<script type=\"text/javascript\">document.domain='openmamba.org';</script>\n";
   echo $output;
}

/*function responsive_get_social_icons() {

	$responsive_options = responsive_get_options();

	$sites = array (
		'foursquare'  => __( 'foursquare', 'responsive' ),
		'twitter'     => __( 'Twitter', 'responsive' ),
		'facebook'    => __( 'Facebook', 'responsive' ),
		'linkedin'    => __( 'LinkedIn', 'responsive' ),
		'youtube'     => __( 'YouTube', 'responsive' ),
		'stumbleupon' => __( 'StumbleUpon', 'responsive' ),
		'rss'         => __( 'RSS Feed', 'responsive' ),
		'googleplus'  => __( 'Google+', 'responsive' ),
		'instagram'   => __( 'Instagram', 'responsive' ),
		'pinterest'   => __( 'Pinterest', 'responsive' ),
		'yelp'        => __( 'Yelp!', 'responsive' ),
		'vimeo'       => __( 'Vimeo', 'responsive' ),
	);

	$html = '<ul class="social-icons">';
	foreach( $sites as $key => $value ) {
		if ( !empty( $responsive_options[$key . '_uid'] ) ) {
			$html .= '<li class="' . esc_attr( $key ) . '-icon"><a href="' . $responsive_options[$key . '_uid'] . '">' . '<img src="' . responsive_child_uri( '/core/icons/' . esc_attr( $key ) . '-icon.png' ) . '" width="24" height="24" alt="' . esc_html( $value ) . '">' . '</a></li>';
		}
	}
	$html .= '</ul><!-- .social-icons -->';

	return $html;

}

*/

function wpb_imagelink_setup() {
    $image_set = get_option( 'image_default_link_type' );

    if ($image_set !== 'none') {
        update_option('image_default_link_type', 'none');
    }
}
add_action('admin_init', 'wpb_imagelink_setup', 10);

/* Security: restrict access to wp-json */
function restrict_rest_api_access() {
    $whitelist = [ '127.0.0.1', "::1", '176.9.120.93', '2a01:4f8:151:7444::1:3' ];

    // Allow whitelisted ip addresses
    if (in_array($_SERVER['REMOTE_ADDR'], $whitelist) ){
        return;
    }

    // List of allowed endpoint prefixes (adjust as needed)
    $allowed_prefixes = [
        'openid-connect',  // Allow /wp-json/openid-connect/*
        // Add other prefixes here if needed
    ];

    // Get the current REST route
    $request_uri = $_SERVER['REQUEST_URI'];

    // Check if the request URI matches any allowed prefix
    foreach ($allowed_prefixes as $prefix) {
        if (strpos($request_uri, '/it/wp-json/' . $prefix) === 0) {
            return; // Allow access
        }
    }

    die( 'REST API is disabled.' );
}
add_action('rest_api_init', 'restrict_rest_api_access', 10, 3 );

/* Security: filter email domains frequently used for spam registrations */
function user_registration_filter($user_id, $email) {
   if ($user_id == false) {
      $e1 = explode("@", $email);
      if (in_array($e1[1], array(
         'xtra.ltd','tmobile.agency','btee.online','verizonconnect.online','proton.me',
         'eduonline.digital','vofadonepro.online','tasktracker.in'))) {
         error_log( "user_registration_filter: email=" . $email . " blacklisted domain=" . $e1[1] );
         $user_id = 100;
      } else {
      //preg_match("/[0-9]{2}$/", $e1[0]) ||
         if (preg_match("/[0-9]{3}$/", $e1[0]) || in_array($e1[0], array('astro_yoga'))) {
            error_log( "user_registration_filter: email=" . $email . " blacklisted ([0-9]{2}$) domain=" . $e1[1] );
            $user_id = 100;
         } else {
            error_log( "user_registration_filter: email=" . $email . " whitelisted domain=" . $e1[1] );
         }
      }
   }
   return $user_id;
}
add_filter('email_exists', 'user_registration_filter', 10, 2);

/* Security: prevent multisite signup */
function prevent_multisite_signup()
{
    wp_redirect( site_url() );
    die();
}
add_action( 'signup_header', 'prevent_multisite_signup' );

/* Fix for missing js support in bbpress editor */
add_filter ('bbp_body_class', 'rew_unset_no_js') ;

function rew_unset_no_js($classes) {
    if (in_array ('single-forum', $classes) || in_array ('single-topic', $classes)) {
	if (($key = array_search('no-js', $classes)) !== false) {
	    unset($classes[$key]);
	}
    }
return $classes ;
}

// Distroquery API management
add_filter( 'query_vars', function( $query_vars ) {
    $query_vars[] = 'distroquery';
    $query_vars[] = 'repo';
    $query_vars[] = 'package';
    $query_vars[] = 'arch';
    return $query_vars;
} );

function distroquery_api_rewrite_rules ( ) {
  add_rewrite_rule ( '^rpms/([^/]*)/([^/]*)/([^/]*)/?',
     'index.php?distroquery=1&repo=$matches[1]&package=$matches[2]&arch=$matches[3]','top' );
  add_rewrite_rule ( '^rpms/([^/]*)/([^/]*)/?',
     'index.php?distroquery=1&repo=$matches[1]&package=$matches[2]','top' );
  add_rewrite_rule ( '^rpms/([^/]*)/?',
     'index.php?distroquery=1&repo=$matches[1]','top' );
  add_rewrite_rule ( '^rpms/?',
     'index.php?distroquery=1','top' );
}
add_action ( 'init', 'distroquery_api_rewrite_rules', 10, 0 ) ;

add_filter( 'template_include', function( $template ) {
    if ( get_query_var( 'distroquery' ) == false || get_query_var( 'distroquery' ) == '' ) {
        return $template;
    }

    return get_theme_file_path() . '/distroquery.php';
} );

// openid-connect filters
function my_oidc_clients() {
    if ( ! defined( 'OIDC_CLIENT_ID' ) || ! defined( 'OIDC_CLIENT_KEY' ) ) {
        // Please define client id and key in wp-config.php.
        return;
    }

    return array(
        OIDC_CLIENT_ID => array(
            'name' => 'openmamba package sources',
            'secret' => OIDC_CLIENT_KEY,
            'redirect_uri' => 'https://src.openmamba.org/user/oauth2/openmamba/callback',
            'grant_types' => array( 'authorization_code' ),
            'scope' => 'openid profile',
        ),
    );
}
add_filter( 'oidc_registered_clients', 'my_oidc_clients' );

function my_oidc_capability() {
   return 'read';
}
add_filter( 'oidc_minimal_capability', 'my_oidc_capability' );

function my_user_claims($claims, $user) {
    $claims['email'] = $user->user_email;
    return $claims;
}
add_filter( 'oidc_user_claims', 'my_user_claims', 10, 2 );