404 lines
10 KiB
PHP
404 lines
10 KiB
PHP
<?php
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namespace GuzzleHttp\Cookie;
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/**
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* Set-Cookie object
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*/
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class SetCookie
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{
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/** @var array */
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private static $defaults = [
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'Name' => null,
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'Value' => null,
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'Domain' => null,
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'Path' => '/',
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'Max-Age' => null,
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'Expires' => null,
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'Secure' => false,
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'Discard' => false,
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'HttpOnly' => false
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];
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/** @var array Cookie data */
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private $data;
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/**
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* Create a new SetCookie object from a string
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*
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* @param string $cookie Set-Cookie header string
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*
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* @return self
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*/
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public static function fromString($cookie)
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{
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// Create the default return array
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$data = self::$defaults;
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// Explode the cookie string using a series of semicolons
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$pieces = array_filter(array_map('trim', explode(';', $cookie)));
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// The name of the cookie (first kvp) must exist and include an equal sign.
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if (empty($pieces[0]) || !strpos($pieces[0], '=')) {
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return new self($data);
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}
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// Add the cookie pieces into the parsed data array
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foreach ($pieces as $part) {
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$cookieParts = explode('=', $part, 2);
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$key = trim($cookieParts[0]);
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$value = isset($cookieParts[1])
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? trim($cookieParts[1], " \n\r\t\0\x0B")
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: true;
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// Only check for non-cookies when cookies have been found
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if (empty($data['Name'])) {
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$data['Name'] = $key;
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$data['Value'] = $value;
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} else {
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foreach (array_keys(self::$defaults) as $search) {
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if (!strcasecmp($search, $key)) {
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$data[$search] = $value;
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continue 2;
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}
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}
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$data[$key] = $value;
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}
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}
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return new self($data);
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}
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/**
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* @param array $data Array of cookie data provided by a Cookie parser
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*/
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public function __construct(array $data = [])
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{
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$this->data = array_replace(self::$defaults, $data);
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// Extract the Expires value and turn it into a UNIX timestamp if needed
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if (!$this->getExpires() && $this->getMaxAge()) {
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// Calculate the Expires date
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$this->setExpires(time() + $this->getMaxAge());
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} elseif ($this->getExpires() && !is_numeric($this->getExpires())) {
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$this->setExpires($this->getExpires());
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}
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}
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public function __toString()
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{
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$str = $this->data['Name'] . '=' . $this->data['Value'] . '; ';
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foreach ($this->data as $k => $v) {
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if ($k !== 'Name' && $k !== 'Value' && $v !== null && $v !== false) {
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if ($k === 'Expires') {
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$str .= 'Expires=' . gmdate('D, d M Y H:i:s \G\M\T', $v) . '; ';
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} else {
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$str .= ($v === true ? $k : "{$k}={$v}") . '; ';
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}
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}
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}
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return rtrim($str, '; ');
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}
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public function toArray()
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{
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return $this->data;
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}
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/**
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* Get the cookie name
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*
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* @return string
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*/
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public function getName()
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{
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return $this->data['Name'];
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}
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/**
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* Set the cookie name
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*
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* @param string $name Cookie name
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*/
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public function setName($name)
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{
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$this->data['Name'] = $name;
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}
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/**
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* Get the cookie value
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*
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* @return string
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*/
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public function getValue()
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{
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return $this->data['Value'];
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}
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/**
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* Set the cookie value
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*
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* @param string $value Cookie value
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*/
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public function setValue($value)
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{
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$this->data['Value'] = $value;
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}
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/**
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* Get the domain
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*
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* @return string|null
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*/
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public function getDomain()
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{
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return $this->data['Domain'];
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}
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/**
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* Set the domain of the cookie
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*
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* @param string $domain
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*/
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public function setDomain($domain)
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{
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$this->data['Domain'] = $domain;
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}
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/**
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* Get the path
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*
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* @return string
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*/
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public function getPath()
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{
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return $this->data['Path'];
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}
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/**
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* Set the path of the cookie
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*
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* @param string $path Path of the cookie
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*/
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public function setPath($path)
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{
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$this->data['Path'] = $path;
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}
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/**
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* Maximum lifetime of the cookie in seconds
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*
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* @return int|null
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*/
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public function getMaxAge()
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{
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return $this->data['Max-Age'];
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}
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/**
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* Set the max-age of the cookie
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*
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* @param int $maxAge Max age of the cookie in seconds
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*/
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public function setMaxAge($maxAge)
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{
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$this->data['Max-Age'] = $maxAge;
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}
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/**
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* The UNIX timestamp when the cookie Expires
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*
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* @return mixed
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*/
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public function getExpires()
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{
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return $this->data['Expires'];
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}
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/**
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* Set the unix timestamp for which the cookie will expire
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*
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* @param int $timestamp Unix timestamp
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*/
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public function setExpires($timestamp)
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{
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$this->data['Expires'] = is_numeric($timestamp)
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? (int) $timestamp
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: strtotime($timestamp);
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}
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/**
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* Get whether or not this is a secure cookie
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*
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* @return null|bool
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*/
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public function getSecure()
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{
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return $this->data['Secure'];
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}
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/**
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* Set whether or not the cookie is secure
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*
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* @param bool $secure Set to true or false if secure
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*/
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public function setSecure($secure)
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{
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$this->data['Secure'] = $secure;
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}
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/**
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* Get whether or not this is a session cookie
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*
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* @return null|bool
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*/
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public function getDiscard()
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{
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return $this->data['Discard'];
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}
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/**
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* Set whether or not this is a session cookie
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*
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* @param bool $discard Set to true or false if this is a session cookie
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*/
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public function setDiscard($discard)
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{
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$this->data['Discard'] = $discard;
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}
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/**
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* Get whether or not this is an HTTP only cookie
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*
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* @return bool
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*/
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public function getHttpOnly()
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{
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return $this->data['HttpOnly'];
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}
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/**
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* Set whether or not this is an HTTP only cookie
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*
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* @param bool $httpOnly Set to true or false if this is HTTP only
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*/
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public function setHttpOnly($httpOnly)
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{
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$this->data['HttpOnly'] = $httpOnly;
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}
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/**
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* Check if the cookie matches a path value.
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*
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* A request-path path-matches a given cookie-path if at least one of
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* the following conditions holds:
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*
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* - The cookie-path and the request-path are identical.
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* - The cookie-path is a prefix of the request-path, and the last
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* character of the cookie-path is %x2F ("/").
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* - The cookie-path is a prefix of the request-path, and the first
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* character of the request-path that is not included in the cookie-
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* path is a %x2F ("/") character.
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*
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* @param string $requestPath Path to check against
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*
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* @return bool
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*/
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public function matchesPath($requestPath)
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{
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$cookiePath = $this->getPath();
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// Match on exact matches or when path is the default empty "/"
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if ($cookiePath === '/' || $cookiePath == $requestPath) {
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return true;
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}
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// Ensure that the cookie-path is a prefix of the request path.
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if (0 !== strpos($requestPath, $cookiePath)) {
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return false;
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}
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// Match if the last character of the cookie-path is "/"
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if (substr($cookiePath, -1, 1) === '/') {
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return true;
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}
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// Match if the first character not included in cookie path is "/"
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return substr($requestPath, strlen($cookiePath), 1) === '/';
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}
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/**
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* Check if the cookie matches a domain value
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*
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* @param string $domain Domain to check against
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*
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* @return bool
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*/
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public function matchesDomain($domain)
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{
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// Remove the leading '.' as per spec in RFC 6265.
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// http://tools.ietf.org/html/rfc6265#section-5.2.3
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$cookieDomain = ltrim($this->getDomain(), '.');
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// Domain not set or exact match.
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if (!$cookieDomain || !strcasecmp($domain, $cookieDomain)) {
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return true;
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}
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// Matching the subdomain according to RFC 6265.
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// http://tools.ietf.org/html/rfc6265#section-5.1.3
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if (filter_var($domain, FILTER_VALIDATE_IP)) {
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return false;
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}
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return (bool) preg_match('/\.' . preg_quote($cookieDomain, '/') . '$/', $domain);
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}
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/**
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* Check if the cookie is expired
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*
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* @return bool
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*/
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public function isExpired()
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{
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return $this->getExpires() !== null && time() > $this->getExpires();
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}
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/**
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* Check if the cookie is valid according to RFC 6265
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*
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* @return bool|string Returns true if valid or an error message if invalid
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*/
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public function validate()
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{
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// Names must not be empty, but can be 0
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$name = $this->getName();
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if (empty($name) && !is_numeric($name)) {
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return 'The cookie name must not be empty';
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}
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// Check if any of the invalid characters are present in the cookie name
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if (preg_match(
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'/[\x00-\x20\x22\x28-\x29\x2c\x2f\x3a-\x40\x5c\x7b\x7d\x7f]/',
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$name
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)) {
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return 'Cookie name must not contain invalid characters: ASCII '
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. 'Control characters (0-31;127), space, tab and the '
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. 'following characters: ()<>@,;:\"/?={}';
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}
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// Value must not be empty, but can be 0
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$value = $this->getValue();
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if (empty($value) && !is_numeric($value)) {
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return 'The cookie value must not be empty';
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}
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// Domains must not be empty, but can be 0
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// A "0" is not a valid internet domain, but may be used as server name
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// in a private network.
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$domain = $this->getDomain();
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if (empty($domain) && !is_numeric($domain)) {
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return 'The cookie domain must not be empty';
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}
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return true;
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}
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}
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