webketje/i18n_base.php

## i18n_base.php
<?php
if (myself(false) === 'load.php' && @$_GET['id'] === 'i18n_base') {
    add_action('page-access', 'i18n_base_pages_access');
}

add_filter('permissions-css', 'i18n_base_permissions_css');

function i18n_base_pages_access() {
    $usermgr = usermgr();
    $current_user = current_user();
    if ($current_user->cannot('access_pages')) {
        $usermgr->restrict_access();
    }
}

function i18n_base_permissions_css($style) {
    $usermgr = usermgr();
    $current_user = current_user();
    return pages_page_access($current_user, $style) . ($current_user->cannot('access_pages') ? '#nav_pages { display: none; }' : '');
}

## index.html
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.3/FileSaver.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.3/jszip.min.js"></script>
    <style>
      body { font: 16px normal Arial, Helvetica, sans-serif; line-height: 1em; }
      #plugin-perms { max-width: 600px; overflow: auto; }
      #plugin-perms label { display: block; float: left; width: 199px; }
      #plugin-perms input { float: right; }
      button#dl { border: 1px solid #aaa; padding: 3px 5px; background-color: #ccc; font-weight: bold; }
    </style>
  </head>
  <body>
    <h1>GS UserMgr - Plugin permissions collection</h1>
    <hr>
    <div id="plugin-perms"></div>
    <hr>
    <button type="button" id="dl">Download ZIP</button>
    <script>
      var perms = [
        { name: 'i18n_base.php', label: 'I18n base', url: 'https://gist.githubusercontent.com/webketje/219205fed6283548e8c0c0cbbcad5171/raw/i18n_base.php' }
      ];

      perms.root = document.getElementById('plugin-perms');

      perms.get = function(name) {
        return perms.filter(function(p) {
          return p.name === name;
        })[0];
      };

      perms.load = function(e) {
        var perm = perms.get(e.target.value),
            req = new XMLHttpRequest();
        req.onload = function() { perm.contents = this.responseText; };
        req.open("GET", perm.url);
        req.send();
      };

      perms.render = function() {
        for (var i = 0, l = perms.length; i < l; i++) {
          chk = document.createElement('input');
          chk.type = 'checkbox';
          chk.value = perms[i].name;
          chk.className = 'perm';
          chk.id = 'chk-' + perms[i].name.slice(0, -3);

          lbl = document.createElement('label');
          lbl.setAttribute('for', 'chk-' + perms[i].name.slice(0, -3));
          lbl.appendChild(document.createTextNode(perms[i].label));
          lbl.appendChild(chk);
          perms.root.appendChild(lbl);
        }
      };

      perms.download = function() {
        var elems  = perms.root.getElementsByClassName('perm'),
            zip    = new JSZip(), perm,
            folder = zip.folder('usermgr').folder('permissions');

        for (var i = 0, l = elems.length; i < l; i++) {
          if (elems[i].checked) {
            perm = perms.get(elems[i].value);
            if (perm.contents)
              folder.file(perm.name, perm.contents);
          }
        }

        zip.generateAsync({type:"blob"}).then(function (blob) {
            saveAs(blob, "usermgr_plugin_permissions.zip");
        });

      };

      perms.render();

      document.getElementById('dl').addEventListener('click', perms.download, false);
      perms.root.addEventListener('change', perms.load, false);
    </script>
  </body>
</html>
	<?php
	if (myself(false) === 'load.php' && @$_GET['id'] === 'i18n_base') {
	add_action('page-access', 'i18n_base_pages_access');
	}

	add_filter('permissions-css', 'i18n_base_permissions_css');

	function i18n_base_pages_access() {
	$usermgr = usermgr();
	$current_user = current_user();
	if ($current_user->cannot('access_pages')) {
	$usermgr->restrict_access();
	}
	}

	function i18n_base_permissions_css($style) {
	$usermgr = usermgr();
	$current_user = current_user();
	return pages_page_access($current_user, $style) . ($current_user->cannot('access_pages') ? '#nav_pages { display: none; }' : '');
	}
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.3/FileSaver.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.3/jszip.min.js"></script>
	<style>
	body { font: 16px normal Arial, Helvetica, sans-serif; line-height: 1em; }
	#plugin-perms { max-width: 600px; overflow: auto; }
	#plugin-perms label { display: block; float: left; width: 199px; }
	#plugin-perms input { float: right; }
	button#dl { border: 1px solid #aaa; padding: 3px 5px; background-color: #ccc; font-weight: bold; }
	</style>
	</head>
	<body>
	<h1>GS UserMgr - Plugin permissions collection</h1>
	<hr>
	<div id="plugin-perms"></div>
	<hr>
	<button type="button" id="dl">Download ZIP</button>
	<script>
	var perms = [
	{ name: 'i18n_base.php', label: 'I18n base', url: 'https://gist.githubusercontent.com/webketje/219205fed6283548e8c0c0cbbcad5171/raw/i18n_base.php' }
	];

	perms.root = document.getElementById('plugin-perms');

	perms.get = function(name) {
	return perms.filter(function(p) {
	return p.name === name;
	})[0];
	};

	perms.load = function(e) {
	var perm = perms.get(e.target.value),
	req = new XMLHttpRequest();
	req.onload = function() { perm.contents = this.responseText; };
	req.open("GET", perm.url);
	req.send();
	};

	perms.render = function() {
	for (var i = 0, l = perms.length; i < l; i++) {
	chk = document.createElement('input');
	chk.type = 'checkbox';
	chk.value = perms[i].name;
	chk.className = 'perm';
	chk.id = 'chk-' + perms[i].name.slice(0, -3);

	lbl = document.createElement('label');
	lbl.setAttribute('for', 'chk-' + perms[i].name.slice(0, -3));
	lbl.appendChild(document.createTextNode(perms[i].label));
	lbl.appendChild(chk);
	perms.root.appendChild(lbl);
	}
	};

	perms.download = function() {
	var elems = perms.root.getElementsByClassName('perm'),
	zip = new JSZip(), perm,
	folder = zip.folder('usermgr').folder('permissions');

	for (var i = 0, l = elems.length; i < l; i++) {
	if (elems[i].checked) {
	perm = perms.get(elems[i].value);
	if (perm.contents)
	folder.file(perm.name, perm.contents);
	}
	}

	zip.generateAsync({type:"blob"}).then(function (blob) {
	saveAs(blob, "usermgr_plugin_permissions.zip");
	});

	};

	perms.render();

	document.getElementById('dl').addEventListener('click', perms.download, false);
	perms.root.addEventListener('change', perms.load, false);
	</script>
	</body>
	</html>