Show spam aliases #
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andryyy
286
data/web/rc/program/lib/Roundcube/rcube_output.php
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286
data/web/rc/program/lib/Roundcube/rcube_output.php
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<?php
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/**
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+-----------------------------------------------------------------------+
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| This file is part of the Roundcube PHP suite |
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| Copyright (C) 2005-2014 The Roundcube Dev Team |
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| |
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| Licensed under the GNU General Public License version 3 or |
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| any later version with exceptions for skins & plugins. |
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| See the README file for a full license statement. |
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| |
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| CONTENTS: |
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| Abstract class for output generation |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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| Author: Aleksander Machniak <alec@alec.pl> |
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+-----------------------------------------------------------------------+
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*/
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/**
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* Class for output generation
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*
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* @package Framework
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* @subpackage View
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*/
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abstract class rcube_output
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{
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public $browser;
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protected $app;
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protected $config;
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protected $charset = RCUBE_CHARSET;
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protected $env = array();
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protected $skins = array();
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/**
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* Object constructor
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*/
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public function __construct()
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{
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$this->app = rcube::get_instance();
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$this->config = $this->app->config;
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$this->browser = new rcube_browser();
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}
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/**
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* Magic getter
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*/
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public function __get($var)
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{
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// allow read-only access to some members
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switch ($var) {
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case 'env': return $this->env;
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case 'skins': return $this->skins;
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case 'charset': return $this->charset;
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}
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return null;
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}
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/**
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* Setter for output charset.
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* To be specified in a meta tag and sent as http-header
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*
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* @param string $charset Charset name
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*/
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public function set_charset($charset)
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{
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$this->charset = $charset;
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}
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/**
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* Getter for output charset
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*
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* @return string Output charset name
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*/
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public function get_charset()
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{
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return $this->charset;
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}
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/**
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* Set environment variable
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*
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* @param string $name Property name
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* @param mixed $value Property value
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*/
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public function set_env($name, $value)
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{
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$this->env[$name] = $value;
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}
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/**
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* Environment variable getter.
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*
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* @param string $name Property name
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*
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* @return mixed Property value
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*/
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public function get_env($name)
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{
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return $this->env[$name];
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}
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/**
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* Delete all stored env variables and commands
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*/
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public function reset()
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{
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$this->env = array();
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}
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/**
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* Invoke display_message command
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*
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* @param string $message Message to display
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* @param string $type Message type [notice|confirm|error]
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* @param array $vars Key-value pairs to be replaced in localized text
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* @param boolean $override Override last set message
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* @param int $timeout Message displaying time in seconds
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*/
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abstract function show_message($message, $type = 'notice', $vars = null, $override = true, $timeout = 0);
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/**
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* Redirect to a certain url.
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*
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* @param mixed $p Either a string with the action or url parameters as key-value pairs
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* @param int $delay Delay in seconds
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*/
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abstract function redirect($p = array(), $delay = 1);
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/**
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* Send output to the client.
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*/
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abstract function send();
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/**
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* Send HTTP headers to prevent caching a page
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*/
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public function nocacheing_headers()
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{
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if (headers_sent()) {
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return;
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}
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header("Expires: ".gmdate("D, d M Y H:i:s")." GMT");
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header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
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// We need to set the following headers to make downloads work using IE in HTTPS mode.
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if ($this->browser->ie && rcube_utils::https_check()) {
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header('Pragma: private');
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header("Cache-Control: private, must-revalidate");
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}
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else {
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header("Cache-Control: private, no-cache, no-store, must-revalidate, post-check=0, pre-check=0");
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header("Pragma: no-cache");
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}
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}
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/**
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* Send header with expire date 30 days in future
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*
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* @param int Expiration time in seconds
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*/
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public function future_expire_header($offset = 2600000)
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{
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if (headers_sent()) {
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return;
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}
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header("Expires: " . gmdate("D, d M Y H:i:s", time()+$offset) . " GMT");
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header("Cache-Control: max-age=$offset");
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header("Pragma: ");
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}
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/**
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* Send browser compatibility/security/etc. headers
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*/
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public function common_headers()
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{
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if (headers_sent()) {
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return;
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}
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// Unlock IE compatibility mode
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if ($this->browser->ie) {
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header('X-UA-Compatible: IE=edge');
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}
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// Request browser to disable DNS prefetching (CVE-2010-0464)
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header("X-DNS-Prefetch-Control: off");
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// send CSRF and clickjacking protection headers
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if ($xframe = $this->app->config->get('x_frame_options', 'sameorigin')) {
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header('X-Frame-Options: ' . $xframe);
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}
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}
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/**
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* Show error page and terminate script execution
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*
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* @param int $code Error code
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* @param string $message Error message
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*/
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public function raise_error($code, $message)
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{
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// STUB: to be overloaded by specific output classes
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fputs(STDERR, "Error $code: $message\n");
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exit(-1);
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}
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/**
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* Create an edit field for inclusion on a form
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*
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* @param string $col Field name
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* @param string $value Field value
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* @param array $attrib HTML element attributes for the field
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* @param string $type HTML element type (default 'text')
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*
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* @return string HTML field definition
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*/
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public static function get_edit_field($col, $value, $attrib, $type = 'text')
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{
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static $colcounts = array();
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$fname = '_'.$col;
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$attrib['name'] = $fname . ($attrib['array'] ? '[]' : '');
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$attrib['class'] = trim($attrib['class'] . ' ff_' . $col);
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if ($type == 'checkbox') {
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$attrib['value'] = '1';
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$input = new html_checkbox($attrib);
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}
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else if ($type == 'textarea') {
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$attrib['cols'] = $attrib['size'];
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$input = new html_textarea($attrib);
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}
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else if ($type == 'select') {
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$input = new html_select($attrib);
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$input->add('---', '');
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$input->add(array_values($attrib['options']), array_keys($attrib['options']));
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}
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else if ($type == 'password' || $attrib['type'] == 'password') {
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$input = new html_passwordfield($attrib);
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}
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else {
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if ($attrib['type'] != 'text' && $attrib['type'] != 'hidden') {
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$attrib['type'] = 'text';
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}
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$input = new html_inputfield($attrib);
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}
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// use value from post
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if (isset($_POST[$fname])) {
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$postvalue = rcube_utils::get_input_value($fname, rcube_utils::INPUT_POST, true);
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$value = $attrib['array'] ? $postvalue[intval($colcounts[$col]++)] : $postvalue;
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}
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$out = $input->show($value);
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return $out;
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}
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/**
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* Convert a variable into a javascript object notation
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*
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* @param mixed $input Input value
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* @param boolean $pretty Enable JSON formatting
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*
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* @return string Serialized JSON string
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*/
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public static function json_serialize($input, $pretty = false)
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{
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$input = rcube_charset::clean($input);
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$options = 0;
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if ($pretty) {
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$options |= JSON_PRETTY_PRINT;
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}
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// sometimes even using rcube_charset::clean() the input contains invalid UTF-8 sequences
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// that's why we have @ here
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return @json_encode($input, $options);
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}
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}
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