Possibility to display QR code for contacts data (#5030)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Possibility to display QR code for contacts data (#5030)
 - Added identicon plugin
 - Widescreen layout aka three column view (#5093)
 - Unify automatic marking as \Seen in preview pane, full-page and extwin views (#5071)

INSTALL

@@ -24,6 +24,7 @@ REQUIREMENTS
    - Auth_SASL 1.0.6 or newer
    - Net_Sieve 1.3.2 or newer (for managesieve plugin)
    - Crypt_GPG 1.6.0 or newer (for enigma plugin)
+   - Endroid/QrCode 1.6.0 or newer (https://github.com/endroid/QrCode)
 * php.ini options (see .htaccess file):
    - error_reporting E_ALL & ~E_NOTICE & ~E_STRICT
    - memory_limit > 16MB (increase as suitable to support large attachments)

composer.json-dist

@@ -30,7 +30,8 @@
         "pear-pear.php.net/mail_mime": "~1.10.0",
         "pear-pear.php.net/net_smtp": "~1.7.1",
         "pear-pear.php.net/crypt_gpg": "~1.6.0@beta",
-        "roundcube/net_sieve": "~1.5.0"
+        "roundcube/net_sieve": "~1.5.0",
+        "endroid/qrcode": "~1.6.5"
     },
     "require-dev": {
         "phpunit/phpunit": "*"

program/js/app.js

@@ -474,7 +474,7 @@ function rcube_webmail()
         this.set_page_buttons();
 
         if (this.env.cid) {
-          this.enable_command('show', 'edit', true);
+          this.enable_command('show', 'edit', 'qrcode', true);
           // register handlers for group assignment via checkboxes
           if (this.gui_objects.editform) {
             $('input.groupmember').change(function() {
@@ -6632,6 +6632,24 @@ function rcube_webmail()
     this.http_request('search', {_sid: id}, lock);
   };
 
+  // display a dialog with QR code image
+  this.qrcode = function()
+  {
+    var title = this.get_label('qrcode'),
+      buttons = [{
+        text: this.get_label('close'),
+        'class': 'mainaction',
+        click: function() {
+          (ref.is_framed() ? parent.$ : $)(this).dialog('destroy');
+        }
+      }],
+      img = new Image(300, 300);
+
+    img.src = this.url('addressbook/qrcode', {_source: this.env.source, _cid: this.env.cid});
+
+    return this.show_popup_dialog(img, title, buttons, {width: 310, height: 410});
+  };
+
 
   /*********************************************************/
   /*********        user settings methods          *********/

program/localization/en_US/labels.inc

@@ -369,6 +369,7 @@ $labels['advsearch'] = 'Advanced Search';
 $labels['advanced'] = 'Advanced';
 $labels['other'] = 'Other';
 $labels['printcontact'] = 'Print contact';
+$labels['qrcode'] = 'QR Code';
 
 $labels['typehome']   = 'Home';
 $labels['typework']   = 'Work';

program/steps/addressbook/qrcode.inc

@@ -0,0 +1,75 @@
+<?php
+
+/**
+ +-----------------------------------------------------------------------+
+ | program/steps/addressbook/qrcode.inc                                  |
+ |                                                                       |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2005-2016, The Roundcube Dev Team                       |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Show contact data as QR code                                        |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Aleksander Machniak <alec@alec.pl>                            |
+ +-----------------------------------------------------------------------+
+*/
+
+// Get contact ID and source ID from request
+$cids   = rcmail_get_cids();
+$source = key($cids);
+$cid    = $cids ? array_shift($cids[$source]) : null;
+
+// read contact record
+$abook   = rcmail_contact_source($source, true);
+$contact = $abook->get_record($cid, true);
+
+// generate QR code image
+if ($data = rcmail_contact_qrcode($contact)) {
+    header('Content-Type: image/png');
+    header('Content-Length: ' . strlen($data));
+    echo $data;
+}
+else {
+    header('HTTP/1.0 404 Contact not found');
+}
+
+exit;
+
+
+function rcmail_contact_qrcode($contact)
+{
+    $vcard = new rcube_vcard();
+
+    // QR code input is limited, use only common fields
+    $fields = array('firstname', 'surname', 'middlename', 'nickname', 'organization',
+        'prefix', 'suffix', 'phone', 'email', 'jobtitle');
+
+    foreach ($contact as $field => $value) {
+        list($field, $section) = explode(':', $field, 2);
+        if (in_array($field, $fields)) {
+            foreach ((array) $value as $v) {
+                $vcard->set($field, $v, $section);
+            }
+        }
+    }
+
+    $data = $vcard->export();
+
+    $qrCode = new Endroid\QrCode\QrCode();
+    $qrCode
+        ->setText($data)
+        ->setSize(300)
+        ->setPadding(0)
+        ->setErrorCorrection('high')
+    //    ->setLabel('Scan the code')
+    //    ->setLabelFontSize(16)
+        ->setForegroundColor(array('r' => 0, 'g' => 0, 'b' => 0, 'a' => 0))
+        ->setBackgroundColor(array('r' => 255, 'g' => 255, 'b' => 255, 'a' => 0));
+
+    return $qrCode->get('png');
+}

program/steps/addressbook/show.inc

@@ -42,6 +42,7 @@ if ($cid && ($record = ($CONTACT_RECORD ?: $CONTACTS->get_record($cid, true))))
 // get address book name (for display)
 rcmail_set_sourcename($CONTACTS);
 
+$OUTPUT->add_label('qrcode');
 $OUTPUT->add_handlers(array(
     'contacthead'    => 'rcmail_contact_head',
     'contactdetails' => 'rcmail_contact_details',

skins/classic/templates/contact.html

@@ -21,6 +21,7 @@
   </div>
   <p>
     <roundcube:button command="edit" type="input" class="button" label="editcontact" condition="!ENV:readonly" />
+    <roundcube:button command="qrcode" type="input" class="button" label="qrcode" />
   </p>
 </div>
 <script type="text/javascript">rcube_init_tabs('contacttabs')</script>

skins/larry/templates/contact.html

@@ -25,6 +25,7 @@
 
 <div id="headerbuttons" class="formbuttons">
 	<roundcube:button command="edit" type="input" class="button mainaction" label="editcontact" condition="!ENV:readonly" />
+	<roundcube:button command="qrcode" type="input" class="button" label="qrcode" />
 </div>
 
 <roundcube:include file="/includes/footer.html" />