Add config and basic page template support

* load JS file asyncronously (just HTML5 async attribut)
* add basic support for page template, where it generates the code inside
  of a simple div at the top
* added option to turn off QR code support

cfg/conf.sample.php

@@ -56,6 +56,10 @@ languageselection = false
 ; the pastes encryption key
 ; urlshortener = "https://shortener.example.com/api?link="
 
+; (optional) Let users create a QR code for sharing the paste URL with one click.
+; It works both when a new paste is created and when you view a paste.
+; qrcode = true
+
 ; (optional) IP based icons are a weak mechanism to detect if a comment was from
 ; a different user when the same username was used in a comment. It might be
 ; used to get the IP of a non anonymous comment poster if the server salt is

css/bootstrap/privatebin.css

@@ -79,16 +79,6 @@ body.loading {
 	margin-left: 5px;
 }
 
-#qrcodelink {
-	color: #337ab7;
-	float: right;
-	margin-left: 5px;
-	cursor: pointer;
-}
-#qrcodelink:hover, #qrcodelink:focus {
-	color: #23527c;
-}
-
 #qrcodemodalClose {
 	float: right;
 }

js/privatebin.js

@@ -1206,8 +1206,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
         var $pasteSuccess,
             $pasteUrl,
             $remainingTime,
-            $shortenButton,
+            $shortenButton;
-            $qrCodeLink;
 
         /**
          * forward to URL shortener
@@ -1242,23 +1241,6 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
             }
         }
 
-        /**
-         * Shows the QR code of the current paste.
-         *
-         * @name   PasteStatus.displayQrCode
-         * @function
-         * @param  {Event} event
-         */
-        function displayQrCode(event)
-        {
-            var qrCanvas = kjua({
-                render: 'canvas',
-                text: $pasteUrl.attr('href')
-            });
-            $('#qrcode-display').html(qrCanvas);
-
-        }
-
         /**
          * creates a notification after a successfull paste upload
          *
@@ -1355,11 +1337,9 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
             // $pasteUrl is saved in me.createPasteNotification() after creation
             $remainingTime = $('#remainingtime');
             $shortenButton = $('#shortenbutton');
-            $qrCodeLink = $('#qrcodelink');
 
             // bind elements
             $shortenButton.click(sendToShortener);
-            $qrCodeLink.click(displayQrCode);
         }
 
         return me;
@@ -2429,6 +2409,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
             $password,
             $passwordInput,
             $rawTextButton,
+            $qrCodeLink,
             $sendButton;
 
         var pasteExpiration = '1week';
@@ -2606,6 +2587,22 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
             event.preventDefault();
         }
 
+        /**
+         * Shows the QR code of the current paste (URL).
+         *
+         * @name   TopNav.displayQrCode
+         * @function
+         * @param  {Event} event
+         */
+        function displayQrCode(event)
+        {
+            var qrCanvas = kjua({
+                render: 'canvas',
+                text: window.location.href
+            });
+            $('#qrcode-display').html(qrCanvas);
+        }
+
         /**
          * Shows all elements belonging to viwing an existing pastes
          *
@@ -2622,6 +2619,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
             $newButton.removeClass('hidden');
             $cloneButton.removeClass('hidden');
             $rawTextButton.removeClass('hidden');
+            $qrCodeLink.removeClass('hidden');
 
             viewButtonsDisplayed = true;
         }
@@ -2642,6 +2640,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
             $newButton.addClass('hidden');
             $cloneButton.addClass('hidden');
             $rawTextButton.addClass('hidden');
+            $qrCodeLink.addClass('hidden');
 
             viewButtonsDisplayed = false;
         }
@@ -2892,6 +2891,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
             $passwordInput = $('#passwordinput');
             $rawTextButton = $('#rawtextbutton');
             $sendButton = $('#sendbutton');
+            $qrCodeLink = $('#qrcodelink');
 
             // bootstrap template drop down
             $('#language ul.dropdown-menu li a').click(setLanguage);
@@ -2906,6 +2906,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
             $cloneButton.click(Controller.clonePaste);
             $rawTextButton.click(rawText);
             $fileRemoveButton.click(removeAttachment);
+            $qrCodeLink.click(displayQrCode);
 
             // bootstrap template drop downs
             $('ul.dropdown-menu li a', $('#expiration').parent()).click(updateExpiration);

lib/Configuration.php

@@ -52,6 +52,7 @@ class Configuration
             'languageselection'        => false,
             'languagedefault'          => '',
             'urlshortener'             => '',
+            'qrcode'                   => true,
             'icon'                     => 'identicon',
             'cspheader'                => 'default-src \'none\'; manifest-src \'self\'; connect-src *; script-src \'self\'; style-src \'self\'; font-src \'self\'; img-src \'self\' data:; referrer no-referrer; sandbox allow-same-origin allow-scripts allow-forms allow-popups',
             'zerobincompatibility'     => false,

lib/PrivateBin.php

@@ -448,6 +448,7 @@ class PrivateBin
         $page->assign('EXPIREDEFAULT', $this->_conf->getKey('default', 'expire'));
         $page->assign('EXPIRECLONE', !$this->_doesExpire || ($this->_doesExpire && $this->_conf->getKey('clone', 'expire')));
         $page->assign('URLSHORTENER', $this->_conf->getKey('urlshortener'));
+        $page->assign('QRCODE', $this->_conf->getKey('qrcode'));
         $page->draw($this->_conf->getKey('template'));
     }
 

tpl/bootstrap.php

@@ -43,8 +43,12 @@ endif;
 		<noscript><link type="text/css" rel="stylesheet" href="css/noscript.css" /></noscript>
 		<script type="text/javascript" src="js/jquery-3.1.1.js" integrity="sha512-U6K1YLIFUWcvuw5ucmMtT9HH4t0uz3M366qrF5y4vnyH6dgDzndlcGvH/Lz5k8NFh80SN95aJ5rqGZEdaQZ7ZQ==" crossorigin="anonymous"></script>
 		<script type="text/javascript" src="js/sjcl-1.0.6.js" integrity="sha512-DsyxLV/uBoQlRTJmW5Gb2SxXUXB+aYeZ6zk+NuXy8LuLyi8oGti9AGn6He5fUY2DtgQ2//RjfaZog8exFuunUQ==" crossorigin="anonymous"></script>
-		<script type="text/javascript" src="js/kjua.min.js" integrity="sha512-hmvfOhcr4J8bjQ2GuNVzfSbuulv72wgQCJpgnXc2+cCHKqvYo8pK2nc0Q4Esem2973zo1radyIMTEkt+xJlhBA==" crossorigin="anonymous"></script>
 <?php
+if ($QRCODE):
+?>
+		<script async type="text/javascript" src="js/kjua-0.1.2.min.js" integrity="sha512-hmvfOhcr4J8bjQ2GuNVzfSbuulv72wgQCJpgnXc2+cCHKqvYo8pK2nc0Q4Esem2973zo1radyIMTEkt+xJlhBA==" crossorigin="anonymous"></script>
+<?php
+endif;
 if ($ZEROBINCOMPATIBILITY):
 ?>
 		<script type="text/javascript" src="js/base64-1.7.js" integrity="sha512-JdwsSP3GyHR+jaCkns9CL9NTt4JUJqm/BsODGmYhBcj5EAPKcHYh+OiMfyHbcDLECe17TL0hjXADFkusAqiYgA==" crossorigin="anonymous"></script>
@@ -71,7 +75,7 @@ if ($MARKDOWN):
 <?php
 endif;
 ?>
-		<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-HXQpEiyKGjM1QuKb+BfxjMcyrrmD3FX5nw5hwgOTONCtQqxCM5Q5bGkmsEvSKc+RcBUpGT3Mc48TddPI8kAlIg==" crossorigin="anonymous"></script>
+		<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-PMr+homyzdcY7Cmh5XZCbU9Qmg3RjwGdpRk1jBuLyVJRMGPeKscsbklIceXssSVMdv4Y9+d2UNXykuDL7Z4fDg==" crossorigin="anonymous"></script>
 		<!--[if lt IE 10]>
 		<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
 		<![endif]-->
@@ -174,6 +178,15 @@ endif;
 						<button id="rawtextbutton" type="button" class="hidden btn btn-<?php echo $isDark ? 'warning' : 'default'; ?> navbar-btn">
 							<span class="glyphicon glyphicon-text-background" aria-hidden="true"></span> <?php echo I18n::_('Raw text'), PHP_EOL; ?>
 						</button>
+<?php
+if ($QRCODE):
+?>
+						<button id="qrcodelink" type="button" data-toggle="modal" data-target="#qrcodemodal" class="hidden btn btn-<?php echo $isDark ? 'warning' : 'default'; ?> navbar-btn">
+							<span class="glyphicon glyphicon-qrcode" aria-hidden="true"></span> <?php echo I18n::_('QR code'), PHP_EOL; ?>
+						</button>
+<?php
+endif;
+?>
 					</li>
 					<li class="dropdown">
 						<select id="pasteExpiration" name="pasteExpiration" class="hidden">
@@ -473,9 +486,6 @@ if (strlen($URLSHORTENER)):
 endif;
 ?>
 					</div>
-					<div id="qrcodelink" data-toggle="modal" data-target="#qrcodemodal">
-						<span class="glyphicon glyphicon-qrcode" title="<?php echo I18n::_('Show QR code') ?>"></span>
-					</div>
 				</div>
 				<ul id="editorTabs" class="nav nav-tabs hidden">
 					<li role="presentation" class="active"><a id="messageedit" href="#"><?php echo I18n::_('Editor'); ?></a></li>

tpl/page.php

@@ -48,8 +48,13 @@ if ($MARKDOWN):
 		<script type="text/javascript" src="js/purify.min.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-jJuy143F5Oy7oS3VkjzeJGBxIUuQ1H0eSjuvLGD3FiQzeu8Pwp5vI/jQ2dxlxSrzejmNMicdLHnIqH7R8Ft0lQ==" crossorigin="anonymous"></script>
 <?php
 endif;
+if ($QRCODE):
 ?>
-		<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-HXQpEiyKGjM1QuKb+BfxjMcyrrmD3FX5nw5hwgOTONCtQqxCM5Q5bGkmsEvSKc+RcBUpGT3Mc48TddPI8kAlIg==" crossorigin="anonymous"></script>
+		<script async type="text/javascript" src="js/kjua-0.1.2.min.js" integrity="sha512-hmvfOhcr4J8bjQ2GuNVzfSbuulv72wgQCJpgnXc2+cCHKqvYo8pK2nc0Q4Esem2973zo1radyIMTEkt+xJlhBA==" crossorigin="anonymous"></script>
+<?php
+endif;
+?>
+		<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-PMr+homyzdcY7Cmh5XZCbU9Qmg3RjwGdpRk1jBuLyVJRMGPeKscsbklIceXssSVMdv4Y9+d2UNXykuDL7Z4fDg==" crossorigin="anonymous"></script>
 		<!--[if lt IE 10]>
 		<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
 		<![endif]-->
@@ -100,6 +105,13 @@ if ($EXPIRECLONE):
 endif;
 ?>
 					<button id="rawtextbutton" class="hidden"><img src="img/icon_raw.png" width="15" height="15" alt="" /><?php echo I18n::_('Raw text'); ?></button>
+<?php
+if ($QRCODE):
+?>
+					<button id="qrcodelink" class="hidden"><img src="img/icon_qr.png" width="15" height="15" alt="" /><?php echo I18n::_('QR code'); ?></button>
+<?php
+endif;
+?>
 					<div id="expiration" class="hidden button"><?php echo I18n::_('Expires'); ?>:
 						<select id="pasteExpiration" name="pasteExpiration">
 <?php
@@ -185,6 +197,9 @@ if (strlen($LANGUAGESELECTION)):
 <?php
 endif;
 ?>
+				</div>
+				<div id="qrcode-display">
+
 				</div>
 				<div id="pastesuccess" class="hidden">
 					<div id="deletelink"></div>