mirror of
https://github.com/ONLYOFFICE/document-server-integration.git
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74 lines
2.3 KiB
PHP
74 lines
2.3 KiB
PHP
<?php
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/*
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*
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* (c) Copyright Ascensio System SIA 2019
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*
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* The MIT License (MIT)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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?>
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<?php
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require( dirname(__FILE__) . '/config.php' );
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//Function to check if the request is an AJAX request
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function is_ajax() {
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return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';
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}
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function get_http_origin() {
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$origin = '';
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if ( ! empty ( $_SERVER[ 'HTTP_ORIGIN' ] ) )
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$origin = $_SERVER[ 'HTTP_ORIGIN' ];
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return $origin;
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}
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function nocache_headers() {
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$headers = array(
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'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT',
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'Cache-Control' => 'no-cache, must-revalidate, max-age=0',
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'Pragma' => 'no-cache',
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);
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$headers['Last-Modified'] = false;
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unset( $headers['Last-Modified'] );
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// In PHP 5.3+, make sure we are not sending a Last-Modified header.
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if ( function_exists( 'header_remove' ) ) {
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@header_remove( 'Last-Modified' );
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} else {
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// In PHP 5.2, send an empty Last-Modified header, but only as a
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// last resort to override a header already sent. #WP23021
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foreach ( headers_list() as $header ) {
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if ( 0 === stripos( $header, 'Last-Modified' ) ) {
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$headers['Last-Modified'] = '';
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break;
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}
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}
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}
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foreach( $headers as $name => $field_value )
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@header("{$name}: {$field_value}");
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}
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?>
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