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Responder.php
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Responder.php
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<?php
/**
*
* License, TERMS and CONDITIONS
*
* This software is lisensed under the GNU LESSER GENERAL PUBLIC LICENSE (LGPL) version 3
* Please read the license here : http://www.gnu.org/licenses/lgpl-3.0.txt
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* ATTRIBUTION REQUIRED
* 4. All web pages generated by the use of this software, or at least
* the page that lists the recent questions (usually home page) must include
* a link to the http://www.lampcms.com and text of the link must indicate that
* the website's Questions/Answers functionality is powered by lampcms.com
* An example of acceptable link would be "Powered by <a href="http://www.lampcms.com">LampCMS</a>"
* The location of the link is not important, it can be in the footer of the page
* but it must not be hidden by style attibutes
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This product includes GeoLite data created by MaxMind,
* available from http://www.maxmind.com/
*
*
* @author Dmitri Snytkine <cms@lampcms.com>
* @copyright 2005-2012 (or current year) Dmitri Snytkine
* @license http://www.gnu.org/licenses/lgpl-3.0.txt GNU LESSER GENERAL PUBLIC LICENSE (LGPL) version 3
* @link http://www.lampcms.com Lampcms.com project
* @version Release: @package_version@
*
*
*/
namespace Lampcms;
class Responder
{
const PAGE_OPEN = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link type="text/css" rel="stylesheet" href="{_DIR_}/style/1/www/_main.css">
</head>
<body>';
const PAGE_CLOSE = '</body></html>';
const JS_OPEN = '<script type="text/javascript">';
const JS_CLOSE = '</script>';
const CSS_OPEN = '<style type="text/css">';
const CSS_CLOSE = '</style>';
/**
* Flag indicates that
* request came to the iframe
* This usually happens when form
* is submitted via hijaxForm javascript
* The purpose of this flag is to allow
* the sending of response json to be sent
* out via sendJSON in a special way
*
* @see sendJSON()
*
*
* @var bool
*/
protected static $bIframe = false;
/**
* Send the string to a browser and exit
*
* @param array $aJSON
* @param array $headers
* @param int $httpCode httpCode default is 200
* @param boolean $addJSTags if true, then
* string will be sent as an HTML page that contains
* javascript
* Javascript will pass the json object to
* the parent window's function fParseResponse
* but only if parent object exists and contains
* fParseQfJson script
*
* @throws \OutOfBoundsException
* @internal param array $arrJSON
*/
public static function sendJSON(array $aJSON, array $headers = null, $httpCode = 200, $addJSTags = false)
{
if (Request::isIframe() || !empty($addJSTags)) {
self::sendJsonPage($aJSON);
session_write_close();
throw new \OutOfBoundsException;
}
$contentType = "Content-Type: text/json; charset=UTF-8";
$res = \json_encode($aJSON);
d('Sending json: ' . $res);
header("HTTP/1.1 " . $httpCode . " OK");
header($contentType);
echo($res);
\session_write_close();
fastcgi_finish_request();
//exit();
throw new \OutOfBoundsException;
}
/**
* Send out response to JSONP Request
* by sending out application/javascript Content-Type header
* and then string: callback function with
* JSON-encoded data as callback's argument
* and then calling fastcgi_finish_request();
* and exit;
*
* @param array $aJSON
* @param string $callback
*
* @throws \OutOfBoundsException
* @throws \InvalidArgumentException
*/
public static function sendJSONP(array $aJSON, $callback)
{
if (!is_string($callback)) {
throw new \InvalidArgumentException('$callback must be a string. Was: ' . gettype($callback));
}
header("HTTP/1.1 200 OK");
header("Content-Type: application/javascript; charset=UTF-8");
echo $callback . '(' . \json_encode($aJSON) . ')';
\session_write_close();
fastcgi_finish_request();
throw new \OutOfBoundsException;
}
/**
* Outputs html page
* that includes ONLY javascript
* that contains json encoded array or data
*
* @param array|string $aJson
*
* @throws \OutOfBoundsException
* @return void
*/
public static function sendJsonPage(array $aJson)
{
$header = "Content-Type: text/html";
$json = json_encode($aJson);
$result = self::PAGE_OPEN . self::JS_OPEN . '
if(parent && parent.oSL && (parent.oSL.oFrm && parent.oSL.oFrm.fParseResponce) ){
parent.oSL.oFrm.fParseResponce(' . $json . ');
}
else{
alert("parent page does not have required oSL.oFrm.fParseResponce");
}
' . self::JS_CLOSE . self::PAGE_CLOSE;
header($header);
echo $result;
session_write_close();
fastcgi_finish_request();
throw new \OutOfBoundsException;
}
/**
* Generates a simple
* html page with contents of
* an error message inside a special
* <div>
*
* @param string $sError
* @return string Error message to put inside
* the page
*/
public static function makeErrorPage($sError)
{
return self::PAGE_OPEN . "\n" . '<div id="excsl"><div id="tools">' . $sError . '</div></div>' . "\n" . self::PAGE_CLOSE;
}
/**
* Redirecting browser to a new url
* using the header "Location" value
*
* @param string $url url where to redirect. Default is '/' meaning to www root
*
* @throws \OutOfBoundsException
*/
public static function redirectToPage($url = null)
{
if (null === $url) {
$url = (empty($_SERVER['HTTP_REFERER'])) ? '/' : $_SERVER['HTTP_REFERER'];
}
if (Request::isAjax()) {
self::sendJSON(array('redirect' => $url));
}
\session_write_close();
header("Location: " . $url);
fastcgi_finish_request();
throw new \OutOfBoundsException;
}
/**
* Make a url from values in
* $_SESSION['LOCATION'] array
*
* @return string a assembled url
*/
public static function makeUrlFromLocation()
{
$sUrl = null;
if (isset($_SESSION) &&
!empty($_SESSION['LOCATION']) &&
!empty($_SESSION['LOCATION']['H']) &&
!empty($_SESSION['LOCATION']['a'])
) {
$sUrl = self::makeUri('', \array_merge($_SESSION['LOCATION']['H'], array('a' => $_SESSION['LOCATION']['a'])));
}
return $sUrl;
}
}