84 lines
2.8 KiB
PHP
84 lines
2.8 KiB
PHP
<?php
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/**
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* Processes an AJAX request and returns a JSON encoded result.
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*
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* Path Info:
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* ----------
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* http://example.com/horde/services/ajax.php/APP/ACTION[?OPTIONS]
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* - ACTION: (string) The AJAX action identifier.
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* - APP: (string) The application name.
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* - OPTIONS: Additional URL options
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* - jsonhtml: (boolean) On error, return in text/html format instead of
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* application/json
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*
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* Copyright 2010-2017 Horde LLC (http://www.horde.org/)
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*
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* See the enclosed file COPYING for license information (LGPL-2). If you
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* did not receive this file, see http://www.horde.org/licenses/lgpl.
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*
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* @author Michael Slusarz <slusarz@horde.org>
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* @category Horde
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* @license http://www.horde.org/licenses/lgpl LGPL-2
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* @package Horde
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*/
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require_once __DIR__ . '/../lib/Application.php';
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list($app, $action) = explode('/', trim(Horde_Util::getPathInfo(), '/'));
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if (empty($action)) {
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// This is the only case where we really don't return anything, since
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// the frontend can be presumed not to make this request on purpose.
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// Other missing data cases we return a response of boolean false.
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exit;
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}
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try {
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Horde_Registry::appInit($app, array(
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'authentication' => 'fallback'
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));
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} catch (Exception $e) {
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// Uncaught exception. Sending backtrace info back via AJAX is just a
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// waste of time.
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exit;
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}
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// Open an output buffer to ensure that we catch errors that might break JSON
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// encoding.
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Horde::startBuffer();
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// Token checking occurs in constructor.
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$vars = $injector->getInstance('Horde_Variables');
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try {
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$ajax = $injector->getInstance('Horde_Core_Factory_Ajax')->create($app, $vars, $action, $vars->token);
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} catch (Horde_Exception $e) {
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/* Treat a token error as a session timeout. */
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$response = new Horde_Core_Ajax_Response_HordeCore_SessionTimeout($app);
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$response->jsonhtml = $vars->jsonhtml;
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$response->sendAndExit();
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}
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try {
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$ajax->doAction();
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// Clear the output buffer that we started above, and log any unexpected
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// output at a DEBUG level.
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if ($out = Horde::endBuffer()) {
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Horde::log('Unexpected output when creating AJAX reponse: ' . $out, 'DEBUG');
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}
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// Send the final result.
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$ajax->send();
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} catch (Horde_Exception_AuthenticationFailure $e) {
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// If we reach this, authentication to Horde was successful, but
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// authentication to some underlying backend failed. Best to logout
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// immediately, since no way of knowing if error is transient.
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$response = new Horde_Core_Ajax_Response_HordeCore_NoAuth($app, $e->getCode());
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$response->jsonhtml = $vars->jsonhtml;
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$response->sendAndExit();
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} catch (Exception $e) {
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$notification->push($e->getMessage(), 'horde.error');
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$response = new Horde_Core_Ajax_Response_HordeCore();
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$response->jsonhtml = $vars->jsonhtml;
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$response->sendAndExit();
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}
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