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|
<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| |
| Copyright (C) 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> |
+-----------------------------------------------------------------------+
*/
if (stream_resolve_include_path('Bacon/BaconQrCode/autoload.php'))
include_once('Bacon/BaconQrCode/autoload.php');
class rcmail_action_contacts_qrcode extends rcmail_action_contacts_index
{
protected static $mode = self::MODE_HTTP;
/**
* Request handler.
*
* @param array $args Arguments from the previous step(s)
*/
public function run($args = [])
{
// Get contact ID and source ID from request
$cids = self::get_cids();
$source = key($cids);
$cid = $cids ? array_first($cids[$source]) : null;
$rcmail = rcmail::get_instance();
// read contact record
$abook = self::contact_source($source, true);
$contact = $abook->get_record($cid, true);
// generate QR code image
if ($data = self::contact_qrcode($contact)) {
$headers = [
'Content-Type: ' . self::check_support(),
'Content-Length: ' . strlen($data)
];
$rcmail->output->sendExit($data, $headers);
}
$rcmail->output->sendExit('', ['HTTP/1.0 404 Contact not found']);
}
/**
* Generate a QR-code image for a contact
*
* @param array $contact Contact record
*
* @return string|null Image content, Null on error or missing PHP extensions
*/
public static function contact_qrcode($contact)
{
if (empty($contact)) {
return null;
}
$type = self::check_support();
if (empty($type)) {
return null;
}
$vcard = new rcube_vcard();
// QR code input is limited, use only common fields
$fields = ['name', 'firstname', 'surname', 'middlename', 'nickname',
'organization', 'phone', 'email', 'jobtitle', 'prefix', 'suffix'];
foreach ($contact as $field => $value) {
if (strpos($field, ':') !== false) {
list($field, $section) = explode(':', $field, 2);
}
else {
$section = null;
}
if (in_array($field, $fields)) {
foreach ((array) $value as $v) {
$vcard->set($field, $v, $section);
}
}
}
$data = $vcard->export();
if (empty($data)) {
return null;
}
$renderer_style = new BaconQrCode\Renderer\RendererStyle\RendererStyle(300, 1);
$renderer_image = $type == 'image/png'
? new BaconQrCode\Renderer\Image\ImagickImageBackEnd()
: new BaconQrCode\Renderer\Image\SvgImageBackEnd();
$renderer = new BaconQrCode\Renderer\ImageRenderer($renderer_style, $renderer_image);
$writer = new BaconQrCode\Writer($renderer);
return $writer->writeString($data, RCUBE_CHARSET);
}
/**
* Check required extensions and classes for QR code generation
*
* @return string|null Content-type of the image result
*/
public static function check_support()
{
if (extension_loaded('iconv') && class_exists('BaconQrCode\Renderer\ImageRenderer')) {
if (extension_loaded('xmlwriter')) {
return 'image/svg+xml';
}
if (extension_loaded('imagick')) {
return 'image/png';
}
}
}
}
|
