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141 lines
3.1 KiB
141 lines
3.1 KiB
<?php
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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class CUrl {
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private $url;
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protected $reference;
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protected $query;
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protected $arguments = [];
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/**
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* WARNING: the class doesn't support parsing query strings with multi-dimensional arrays.
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*
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* @param string|null $url
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*/
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public function __construct($url = null) {
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if (empty($url)) {
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$this->formatGetArguments();
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$this->url = basename($_SERVER['SCRIPT_NAME']);
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}
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else {
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$this->url = $url;
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// parse reference
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$pos = strpos($url, '#');
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if ($pos !== false) {
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$this->reference = substr($url, $pos + 1);
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$this->url = substr($url, 0, $pos);
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}
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// parse query
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$pos = strpos($url, '?');
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if ($pos !== false) {
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$this->query = substr($url, $pos + 1);
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$this->url = substr($url, 0, $pos);
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}
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$this->formatArguments();
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}
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}
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/**
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* Creates a HTTP query string from the arguments set in self::$arguments and saves it in self::$query.
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*/
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public function formatQuery() {
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$this->query = http_build_query($this->arguments);
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}
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public function formatGetArguments() {
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$this->arguments = $_GET;
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$this->formatQuery();
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return $this;
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}
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public function formatArguments($query = null) {
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if ($query === null) {
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$query = $this->query;
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}
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if ($query !== null) {
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$args = explode('&', $query);
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foreach ($args as $id => $arg) {
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if (empty($arg)) {
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continue;
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}
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if (strpos($arg, '=') !== false) {
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list($name, $value) = explode('=', $arg);
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$this->arguments[urldecode($name)] = urldecode($value);
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}
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else {
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$this->arguments[$arg] = '';
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}
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}
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}
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$this->formatQuery();
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}
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/**
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* Return relative url.
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*
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* @return string
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*/
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public function getUrl() {
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$this->formatQuery();
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$url = $this->url;
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$url .= $this->query ? '?'.$this->query : '';
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$url .= $this->reference ? '#'.urlencode($this->reference) : '';
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return $url;
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}
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public function removeArgument($key) {
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unset($this->arguments[$key]);
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return $this;
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}
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public function setArgument($key, $value = '') {
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$this->arguments[$key] = $value;
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return $this;
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}
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/**
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* Returns true if the specified argument is present in $this->arguments.
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*
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* @param $key string The name of the argument.
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*
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* @return bool
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*/
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public function hasArgument($key) {
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return array_key_exists($key, $this->arguments) ;
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}
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public function toString() {
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return $this->getUrl();
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}
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}
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