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home/chryzalihi/www/wp-includesOLD/Requests/src/Response.php 0000604 00000010221 15243366206 0020167 0 ustar 00 <?php
/**
* HTTP response class
*
* Contains a response from \WpOrg\Requests\Requests::request()
*
* @package Requests
*/
namespace WpOrg\Requests;
use WpOrg\Requests\Cookie\Jar;
use WpOrg\Requests\Exception;
use WpOrg\Requests\Exception\Http;
use WpOrg\Requests\Response\Headers;
/**
* HTTP response class
*
* Contains a response from \WpOrg\Requests\Requests::request()
*
* @package Requests
*/
class Response {
/**
* Response body
*
* @var string
*/
public $body = '';
/**
* Raw HTTP data from the transport
*
* @var string
*/
public $raw = '';
/**
* Headers, as an associative array
*
* @var \WpOrg\Requests\Response\Headers Array-like object representing headers
*/
public $headers = [];
/**
* Status code, false if non-blocking
*
* @var integer|boolean
*/
public $status_code = false;
/**
* Protocol version, false if non-blocking
*
* @var float|boolean
*/
public $protocol_version = false;
/**
* Whether the request succeeded or not
*
* @var boolean
*/
public $success = false;
/**
* Number of redirects the request used
*
* @var integer
*/
public $redirects = 0;
/**
* URL requested
*
* @var string
*/
public $url = '';
/**
* Previous requests (from redirects)
*
* @var array Array of \WpOrg\Requests\Response objects
*/
public $history = [];
/**
* Cookies from the request
*
* @var \WpOrg\Requests\Cookie\Jar Array-like object representing a cookie jar
*/
public $cookies = [];
/**
* Constructor
*/
public function __construct() {
$this->headers = new Headers();
$this->cookies = new Jar();
}
/**
* Is the response a redirect?
*
* @return boolean True if redirect (3xx status), false if not.
*/
public function is_redirect() {
$code = $this->status_code;
return in_array($code, [300, 301, 302, 303, 307], true) || $code > 307 && $code < 400;
}
/**
* Throws an exception if the request was not successful
*
* @param boolean $allow_redirects Set to false to throw on a 3xx as well
*
* @throws \WpOrg\Requests\Exception If `$allow_redirects` is false, and code is 3xx (`response.no_redirects`)
* @throws \WpOrg\Requests\Exception\Http On non-successful status code. Exception class corresponds to "Status" + code (e.g. {@see \WpOrg\Requests\Exception\Http\Status404})
*/
public function throw_for_status($allow_redirects = true) {
if ($this->is_redirect()) {
if ($allow_redirects !== true) {
throw new Exception('Redirection not allowed', 'response.no_redirects', $this);
}
} elseif (!$this->success) {
$exception = Http::get_class($this->status_code);
throw new $exception(null, $this);
}
}
/**
* JSON decode the response body.
*
* The method parameters are the same as those for the PHP native `json_decode()` function.
*
* @link https://php.net/json-decode
*
* @param ?bool $associative Optional. When `true`, JSON objects will be returned as associative arrays;
* When `false`, JSON objects will be returned as objects.
* When `null`, JSON objects will be returned as associative arrays
* or objects depending on whether `JSON_OBJECT_AS_ARRAY` is set in the flags.
* Defaults to `true` (in contrast to the PHP native default of `null`).
* @param int $depth Optional. Maximum nesting depth of the structure being decoded.
* Defaults to `512`.
* @param int $options Optional. Bitmask of JSON_BIGINT_AS_STRING, JSON_INVALID_UTF8_IGNORE,
* JSON_INVALID_UTF8_SUBSTITUTE, JSON_OBJECT_AS_ARRAY, JSON_THROW_ON_ERROR.
* Defaults to `0` (no options set).
*
* @return array
*
* @throws \WpOrg\Requests\Exception If `$this->body` is not valid json.
*/
public function decode_body($associative = true, $depth = 512, $options = 0) {
$data = json_decode($this->body, $associative, $depth, $options);
if (json_last_error() !== JSON_ERROR_NONE) {
$last_error = json_last_error_msg();
throw new Exception('Unable to parse JSON data: ' . $last_error, 'response.invalid', $this);
}
return $data;
}
}
home/chryzalihi/www/wp-contentOLD/plugins/backwpup/vendor/Guzzle/Http/Message/Response.php 0000604 00000063343 15244447602 0026024 0 ustar 00 <?php
namespace Guzzle\Http\Message;
use Guzzle\Common\Version;
use Guzzle\Common\ToArrayInterface;
use Guzzle\Common\Exception\RuntimeException;
use Guzzle\Http\EntityBodyInterface;
use Guzzle\Http\EntityBody;
use Guzzle\Http\Exception\BadResponseException;
use Guzzle\Http\RedirectPlugin;
use Guzzle\Parser\ParserRegistry;
/**
* Guzzle HTTP response object
*/
class Response extends AbstractMessage implements \Serializable
{
/**
* @var array Array of reason phrases and their corresponding status codes
*/
private static $statusTexts = array(
100 => 'Continue',
101 => 'Switching Protocols',
102 => 'Processing',
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
207 => 'Multi-Status',
208 => 'Already Reported',
226 => 'IM Used',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
307 => 'Temporary Redirect',
308 => 'Permanent Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Timeout',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Long',
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
422 => 'Unprocessable Entity',
423 => 'Locked',
424 => 'Failed Dependency',
425 => 'Reserved for WebDAV advanced collections expired proposal',
426 => 'Upgrade required',
428 => 'Precondition Required',
429 => 'Too Many Requests',
431 => 'Request Header Fields Too Large',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'HTTP Version Not Supported',
506 => 'Variant Also Negotiates (Experimental)',
507 => 'Insufficient Storage',
508 => 'Loop Detected',
510 => 'Not Extended',
511 => 'Network Authentication Required',
);
/** @var EntityBodyInterface The response body */
protected $body;
/** @var string The reason phrase of the response (human readable code) */
protected $reasonPhrase;
/** @var string The status code of the response */
protected $statusCode;
/** @var array Information about the request */
protected $info = array();
/** @var string The effective URL that returned this response */
protected $effectiveUrl;
/** @var array Cacheable response codes (see RFC 2616:13.4) */
protected static $cacheResponseCodes = array(200, 203, 206, 300, 301, 410);
/**
* Create a new Response based on a raw response message
*
* @param string $message Response message
*
* @return self|bool Returns false on error
*/
public static function fromMessage($message)
{
$data = ParserRegistry::getInstance()->getParser('message')->parseResponse($message);
if (!$data) {
return false;
}
$response = new static($data['code'], $data['headers'], $data['body']);
$response->setProtocol($data['protocol'], $data['version'])
->setStatus($data['code'], $data['reason_phrase']);
// Set the appropriate Content-Length if the one set is inaccurate (e.g. setting to X)
$contentLength = (string) $response->getHeader('Content-Length');
$actualLength = strlen($data['body']);
if (strlen($data['body']) > 0 && $contentLength != $actualLength) {
$response->setHeader('Content-Length', $actualLength);
}
return $response;
}
/**
* Construct the response
*
* @param string $statusCode The response status code (e.g. 200, 404, etc)
* @param ToArrayInterface|array $headers The response headers
* @param string|resource|EntityBodyInterface $body The body of the response
*
* @throws BadResponseException if an invalid response code is given
*/
public function __construct($statusCode, $headers = null, $body = null)
{
parent::__construct();
$this->setStatus($statusCode);
$this->body = EntityBody::factory($body !== null ? $body : '');
if ($headers) {
if (is_array($headers)) {
$this->setHeaders($headers);
} elseif ($headers instanceof ToArrayInterface) {
$this->setHeaders($headers->toArray());
} else {
throw new BadResponseException('Invalid headers argument received');
}
}
}
/**
* @return string
*/
public function __toString()
{
return $this->getMessage();
}
public function serialize()
{
return json_encode(array(
'status' => $this->statusCode,
'body' => (string) $this->body,
'headers' => $this->headers->toArray()
));
}
public function unserialize($serialize)
{
$data = json_decode($serialize, true);
$this->__construct($data['status'], $data['headers'], $data['body']);
}
/**
* Get the response entity body
*
* @param bool $asString Set to TRUE to return a string of the body rather than a full body object
*
* @return EntityBodyInterface|string
*/
public function getBody($asString = false)
{
return $asString ? (string) $this->body : $this->body;
}
/**
* Set the response entity body
*
* @param EntityBodyInterface|string $body Body to set
*
* @return self
*/
public function setBody($body)
{
$this->body = EntityBody::factory($body);
return $this;
}
/**
* Set the protocol and protocol version of the response
*
* @param string $protocol Response protocol
* @param string $version Protocol version
*
* @return self
*/
public function setProtocol($protocol, $version)
{
$this->protocol = $protocol;
$this->protocolVersion = $version;
return $this;
}
/**
* Get the protocol used for the response (e.g. HTTP)
*
* @return string
*/
public function getProtocol()
{
return $this->protocol;
}
/**
* Get the HTTP protocol version
*
* @return string
*/
public function getProtocolVersion()
{
return $this->protocolVersion;
}
/**
* Get a cURL transfer information
*
* @param string $key A single statistic to check
*
* @return array|string|null Returns all stats if no key is set, a single stat if a key is set, or null if a key
* is set and not found
* @link http://www.php.net/manual/en/function.curl-getinfo.php
*/
public function getInfo($key = null)
{
if ($key === null) {
return $this->info;
} elseif (array_key_exists($key, $this->info)) {
return $this->info[$key];
} else {
return null;
}
}
/**
* Set the transfer information
*
* @param array $info Array of cURL transfer stats
*
* @return self
*/
public function setInfo(array $info)
{
$this->info = $info;
return $this;
}
/**
* Set the response status
*
* @param int $statusCode Response status code to set
* @param string $reasonPhrase Response reason phrase
*
* @return self
* @throws BadResponseException when an invalid response code is received
*/
public function setStatus($statusCode, $reasonPhrase = '')
{
$this->statusCode = (int) $statusCode;
if (!$reasonPhrase && isset(self::$statusTexts[$this->statusCode])) {
$this->reasonPhrase = self::$statusTexts[$this->statusCode];
} else {
$this->reasonPhrase = $reasonPhrase;
}
return $this;
}
/**
* Get the response status code
*
* @return integer
*/
public function getStatusCode()
{
return $this->statusCode;
}
/**
* Get the entire response as a string
*
* @return string
*/
public function getMessage()
{
$message = $this->getRawHeaders();
// Only include the body in the message if the size is < 2MB
$size = $this->body->getSize();
if ($size < 2097152) {
$message .= (string) $this->body;
}
return $message;
}
/**
* Get the the raw message headers as a string
*
* @return string
*/
public function getRawHeaders()
{
$headers = 'HTTP/1.1 ' . $this->statusCode . ' ' . $this->reasonPhrase . "\r\n";
$lines = $this->getHeaderLines();
if (!empty($lines)) {
$headers .= implode("\r\n", $lines) . "\r\n";
}
return $headers . "\r\n";
}
/**
* Get the response reason phrase- a human readable version of the numeric
* status code
*
* @return string
*/
public function getReasonPhrase()
{
return $this->reasonPhrase;
}
/**
* Get the Accept-Ranges HTTP header
*
* @return string Returns what partial content range types this server supports.
*/
public function getAcceptRanges()
{
return (string) $this->getHeader('Accept-Ranges');
}
/**
* Calculate the age of the response
*
* @return integer
*/
public function calculateAge()
{
$age = $this->getHeader('Age');
if ($age === null && $this->getDate()) {
$age = time() - strtotime($this->getDate());
}
return $age === null ? null : (int) (string) $age;
}
/**
* Get the Age HTTP header
*
* @return integer|null Returns the age the object has been in a proxy cache in seconds.
*/
public function getAge()
{
return (string) $this->getHeader('Age');
}
/**
* Get the Allow HTTP header
*
* @return string|null Returns valid actions for a specified resource. To be used for a 405 Method not allowed.
*/
public function getAllow()
{
return (string) $this->getHeader('Allow');
}
/**
* Check if an HTTP method is allowed by checking the Allow response header
*
* @param string $method Method to check
*
* @return bool
*/
public function isMethodAllowed($method)
{
$allow = $this->getHeader('Allow');
if ($allow) {
foreach (explode(',', $allow) as $allowable) {
if (!strcasecmp(trim($allowable), $method)) {
return true;
}
}
}
return false;
}
/**
* Get the Cache-Control HTTP header
*
* @return string
*/
public function getCacheControl()
{
return (string) $this->getHeader('Cache-Control');
}
/**
* Get the Connection HTTP header
*
* @return string
*/
public function getConnection()
{
return (string) $this->getHeader('Connection');
}
/**
* Get the Content-Encoding HTTP header
*
* @return string|null
*/
public function getContentEncoding()
{
return (string) $this->getHeader('Content-Encoding');
}
/**
* Get the Content-Language HTTP header
*
* @return string|null Returns the language the content is in.
*/
public function getContentLanguage()
{
return (string) $this->getHeader('Content-Language');
}
/**
* Get the Content-Length HTTP header
*
* @return integer Returns the length of the response body in bytes
*/
public function getContentLength()
{
return (int) (string) $this->getHeader('Content-Length');
}
/**
* Get the Content-Location HTTP header
*
* @return string|null Returns an alternate location for the returned data (e.g /index.htm)
*/
public function getContentLocation()
{
return (string) $this->getHeader('Content-Location');
}
/**
* Get the Content-Disposition HTTP header
*
* @return string|null Returns the Content-Disposition header
*/
public function getContentDisposition()
{
return (string) $this->getHeader('Content-Disposition');
}
/**
* Get the Content-MD5 HTTP header
*
* @return string|null Returns a Base64-encoded binary MD5 sum of the content of the response.
*/
public function getContentMd5()
{
return (string) $this->getHeader('Content-MD5');
}
/**
* Get the Content-Range HTTP header
*
* @return string Returns where in a full body message this partial message belongs (e.g. bytes 21010-47021/47022).
*/
public function getContentRange()
{
return (string) $this->getHeader('Content-Range');
}
/**
* Get the Content-Type HTTP header
*
* @return string Returns the mime type of this content.
*/
public function getContentType()
{
return (string) $this->getHeader('Content-Type');
}
/**
* Checks if the Content-Type is of a certain type. This is useful if the
* Content-Type header contains charset information and you need to know if
* the Content-Type matches a particular type.
*
* @param string $type Content type to check against
*
* @return bool
*/
public function isContentType($type)
{
return stripos($this->getHeader('Content-Type'), $type) !== false;
}
/**
* Get the Date HTTP header
*
* @return string|null Returns the date and time that the message was sent.
*/
public function getDate()
{
return (string) $this->getHeader('Date');
}
/**
* Get the ETag HTTP header
*
* @return string|null Returns an identifier for a specific version of a resource, often a Message digest.
*/
public function getEtag()
{
return (string) $this->getHeader('ETag');
}
/**
* Get the Expires HTTP header
*
* @return string|null Returns the date/time after which the response is considered stale.
*/
public function getExpires()
{
return (string) $this->getHeader('Expires');
}
/**
* Get the Last-Modified HTTP header
*
* @return string|null Returns the last modified date for the requested object, in RFC 2822 format
* (e.g. Tue, 15 Nov 1994 12:45:26 GMT)
*/
public function getLastModified()
{
return (string) $this->getHeader('Last-Modified');
}
/**
* Get the Location HTTP header
*
* @return string|null Used in redirection, or when a new resource has been created.
*/
public function getLocation()
{
return (string) $this->getHeader('Location');
}
/**
* Get the Pragma HTTP header
*
* @return Header|null Returns the implementation-specific headers that may have various effects anywhere along
* the request-response chain.
*/
public function getPragma()
{
return (string) $this->getHeader('Pragma');
}
/**
* Get the Proxy-Authenticate HTTP header
*
* @return string|null Authentication to access the proxy (e.g. Basic)
*/
public function getProxyAuthenticate()
{
return (string) $this->getHeader('Proxy-Authenticate');
}
/**
* Get the Retry-After HTTP header
*
* @return int|null If an entity is temporarily unavailable, this instructs the client to try again after a
* specified period of time.
*/
public function getRetryAfter()
{
return (string) $this->getHeader('Retry-After');
}
/**
* Get the Server HTTP header
*
* @return string|null A name for the server
*/
public function getServer()
{
return (string) $this->getHeader('Server');
}
/**
* Get the Set-Cookie HTTP header
*
* @return string|null An HTTP cookie.
*/
public function getSetCookie()
{
return (string) $this->getHeader('Set-Cookie');
}
/**
* Get the Trailer HTTP header
*
* @return string|null The Trailer general field value indicates that the given set of header fields is present in
* the trailer of a message encoded with chunked transfer-coding.
*/
public function getTrailer()
{
return (string) $this->getHeader('Trailer');
}
/**
* Get the Transfer-Encoding HTTP header
*
* @return string|null The form of encoding used to safely transfer the entity to the user
*/
public function getTransferEncoding()
{
return (string) $this->getHeader('Transfer-Encoding');
}
/**
* Get the Vary HTTP header
*
* @return string|null Tells downstream proxies how to match future request headers to decide whether the cached
* response can be used rather than requesting a fresh one from the origin server.
*/
public function getVary()
{
return (string) $this->getHeader('Vary');
}
/**
* Get the Via HTTP header
*
* @return string|null Informs the client of proxies through which the response was sent.
*/
public function getVia()
{
return (string) $this->getHeader('Via');
}
/**
* Get the Warning HTTP header
*
* @return string|null A general warning about possible problems with the entity body
*/
public function getWarning()
{
return (string) $this->getHeader('Warning');
}
/**
* Get the WWW-Authenticate HTTP header
*
* @return string|null Indicates the authentication scheme that should be used to access the requested entity
*/
public function getWwwAuthenticate()
{
return (string) $this->getHeader('WWW-Authenticate');
}
/**
* Checks if HTTP Status code is a Client Error (4xx)
*
* @return bool
*/
public function isClientError()
{
return $this->statusCode >= 400 && $this->statusCode < 500;
}
/**
* Checks if HTTP Status code is Server OR Client Error (4xx or 5xx)
*
* @return boolean
*/
public function isError()
{
return $this->isClientError() || $this->isServerError();
}
/**
* Checks if HTTP Status code is Information (1xx)
*
* @return bool
*/
public function isInformational()
{
return $this->statusCode < 200;
}
/**
* Checks if HTTP Status code is a Redirect (3xx)
*
* @return bool
*/
public function isRedirect()
{
return $this->statusCode >= 300 && $this->statusCode < 400;
}
/**
* Checks if HTTP Status code is Server Error (5xx)
*
* @return bool
*/
public function isServerError()
{
return $this->statusCode >= 500 && $this->statusCode < 600;
}
/**
* Checks if HTTP Status code is Successful (2xx | 304)
*
* @return bool
*/
public function isSuccessful()
{
return ($this->statusCode >= 200 && $this->statusCode < 300) || $this->statusCode == 304;
}
/**
* Check if the response can be cached based on the response headers
*
* @return bool Returns TRUE if the response can be cached or false if not
*/
public function canCache()
{
// Check if the response is cacheable based on the code
if (!in_array((int) $this->getStatusCode(), self::$cacheResponseCodes)) {
return false;
}
// Make sure a valid body was returned and can be cached
if ((!$this->getBody()->isReadable() || !$this->getBody()->isSeekable())
&& ($this->getContentLength() > 0 || $this->getTransferEncoding() == 'chunked')) {
return false;
}
// Never cache no-store resources (this is a private cache, so private
// can be cached)
if ($this->getHeader('Cache-Control') && $this->getHeader('Cache-Control')->hasDirective('no-store')) {
return false;
}
return $this->isFresh() || $this->getFreshness() === null || $this->canValidate();
}
/**
* Gets the number of seconds from the current time in which this response is still considered fresh
*
* @return int|null Returns the number of seconds
*/
public function getMaxAge()
{
if ($header = $this->getHeader('Cache-Control')) {
// s-max-age, then max-age, then Expires
if ($age = $header->getDirective('s-maxage')) {
return $age;
}
if ($age = $header->getDirective('max-age')) {
return $age;
}
}
if ($this->getHeader('Expires')) {
return strtotime($this->getExpires()) - time();
}
return null;
}
/**
* Check if the response is considered fresh.
*
* A response is considered fresh when its age is less than or equal to the freshness lifetime (maximum age) of the
* response.
*
* @return bool|null
*/
public function isFresh()
{
$fresh = $this->getFreshness();
return $fresh === null ? null : $fresh >= 0;
}
/**
* Check if the response can be validated against the origin server using a conditional GET request.
*
* @return bool
*/
public function canValidate()
{
return $this->getEtag() || $this->getLastModified();
}
/**
* Get the freshness of the response by returning the difference of the maximum lifetime of the response and the
* age of the response (max-age - age).
*
* Freshness values less than 0 mean that the response is no longer fresh and is ABS(freshness) seconds expired.
* Freshness values of greater than zero is the number of seconds until the response is no longer fresh. A NULL
* result means that no freshness information is available.
*
* @return int
*/
public function getFreshness()
{
$maxAge = $this->getMaxAge();
$age = $this->calculateAge();
return $maxAge && $age ? ($maxAge - $age) : null;
}
/**
* Parse the JSON response body and return an array
*
* @return array|string|int|bool|float
* @throws RuntimeException if the response body is not in JSON format
*/
public function json()
{
$data = json_decode((string) $this->body, true);
if (JSON_ERROR_NONE !== json_last_error()) {
throw new RuntimeException('Unable to parse response body into JSON: ' . json_last_error());
}
return $data === null ? array() : $data;
}
/**
* Parse the XML response body and return a \SimpleXMLElement.
*
* In order to prevent XXE attacks, this method disables loading external
* entities. If you rely on external entities, then you must parse the
* XML response manually by accessing the response body directly.
*
* @return \SimpleXMLElement
* @throws RuntimeException if the response body is not in XML format
* @link http://websec.io/2012/08/27/Preventing-XXE-in-PHP.html
*/
public function xml()
{
$errorMessage = null;
$internalErrors = libxml_use_internal_errors(true);
$disableEntities = libxml_disable_entity_loader(true);
libxml_clear_errors();
try {
$xml = new \SimpleXMLElement((string) $this->body ?: '<root />', LIBXML_NONET);
if ($error = libxml_get_last_error()) {
$errorMessage = $error->message;
}
} catch (\Exception $e) {
$errorMessage = $e->getMessage();
}
libxml_clear_errors();
libxml_use_internal_errors($internalErrors);
libxml_disable_entity_loader($disableEntities);
if ($errorMessage) {
throw new RuntimeException('Unable to parse response body into XML: ' . $errorMessage);
}
return $xml;
}
/**
* Get the redirect count of this response
*
* @return int
*/
public function getRedirectCount()
{
return (int) $this->params->get(RedirectPlugin::REDIRECT_COUNT);
}
/**
* Set the effective URL that resulted in this response (e.g. the last redirect URL)
*
* @param string $url The effective URL
*
* @return self
*/
public function setEffectiveUrl($url)
{
$this->effectiveUrl = $url;
return $this;
}
/**
* Get the effective URL that resulted in this response (e.g. the last redirect URL)
*
* @return string
*/
public function getEffectiveUrl()
{
return $this->effectiveUrl;
}
/**
* @deprecated
* @codeCoverageIgnore
*/
public function getPreviousResponse()
{
Version::warn(__METHOD__ . ' is deprecated. Use the HistoryPlugin.');
return null;
}
/**
* @deprecated
* @codeCoverageIgnore
*/
public function setRequest($request)
{
Version::warn(__METHOD__ . ' is deprecated');
return $this;
}
/**
* @deprecated
* @codeCoverageIgnore
*/
public function getRequest()
{
Version::warn(__METHOD__ . ' is deprecated');
return null;
}
}
home/chryzalihi/www/wp-contentOLD/plugins/backwpup/vendor/PEAR/HTTP/Request2/Response.php 0000604 00000052371 15244741011 0025247 0 ustar 00 <?php
/**
* Class representing a HTTP response
*
* PHP version 5
*
* LICENSE
*
* This source file is subject to BSD 3-Clause License that is bundled
* with this package in the file LICENSE and available at the URL
* https://raw.github.com/pear/HTTP_Request2/trunk/docs/LICENSE
*
* @category HTTP
* @package HTTP_Request2
* @author Alexey Borzov <avb@php.net>
* @copyright 2008-2014 Alexey Borzov <avb@php.net>
* @license http://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @link http://pear.php.net/package/HTTP_Request2
*/
/**
* Exception class for HTTP_Request2 package
*/
require_once 'HTTP/Request2/Exception.php';
/**
* Class representing a HTTP response
*
* The class is designed to be used in "streaming" scenario, building the
* response as it is being received:
* <code>
* $statusLine = read_status_line();
* $response = new HTTP_Request2_Response($statusLine);
* do {
* $headerLine = read_header_line();
* $response->parseHeaderLine($headerLine);
* } while ($headerLine != '');
*
* while ($chunk = read_body()) {
* $response->appendBody($chunk);
* }
*
* var_dump($response->getHeader(), $response->getCookies(), $response->getBody());
* </code>
*
* @category HTTP
* @package HTTP_Request2
* @author Alexey Borzov <avb@php.net>
* @license http://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @version Release: 2.2.1
* @link http://pear.php.net/package/HTTP_Request2
* @link http://tools.ietf.org/html/rfc2616#section-6
*/
class HTTP_Request2_Response
{
/**
* HTTP protocol version (e.g. 1.0, 1.1)
* @var string
*/
protected $version;
/**
* Status code
* @var integer
* @link http://tools.ietf.org/html/rfc2616#section-6.1.1
*/
protected $code;
/**
* Reason phrase
* @var string
* @link http://tools.ietf.org/html/rfc2616#section-6.1.1
*/
protected $reasonPhrase;
/**
* Effective URL (may be different from original request URL in case of redirects)
* @var string
*/
protected $effectiveUrl;
/**
* Associative array of response headers
* @var array
*/
protected $headers = array();
/**
* Cookies set in the response
* @var array
*/
protected $cookies = array();
/**
* Name of last header processed by parseHederLine()
*
* Used to handle the headers that span multiple lines
*
* @var string
*/
protected $lastHeader = null;
/**
* Response body
* @var string
*/
protected $body = '';
/**
* Whether the body is still encoded by Content-Encoding
*
* cURL provides the decoded body to the callback; if we are reading from
* socket the body is still gzipped / deflated
*
* @var bool
*/
protected $bodyEncoded;
/**
* Associative array of HTTP status code / reason phrase.
*
* @var array
* @link http://tools.ietf.org/html/rfc2616#section-10
*/
protected static $phrases = array(
// 1xx: Informational - Request received, continuing process
100 => 'Continue',
101 => 'Switching Protocols',
// 2xx: Success - The action was successfully received, understood and
// accepted
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
// 3xx: Redirection - Further action must be taken in order to complete
// the request
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found', // 1.1
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
307 => 'Temporary Redirect',
// 4xx: Client Error - The request contains bad syntax or cannot be
// fulfilled
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Timeout',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Long',
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
// 5xx: Server Error - The server failed to fulfill an apparently
// valid request
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'HTTP Version Not Supported',
509 => 'Bandwidth Limit Exceeded',
);
/**
* Returns the default reason phrase for the given code or all reason phrases
*
* @param int $code Response code
*
* @return string|array|null Default reason phrase for $code if $code is given
* (null if no phrase is available), array of all
* reason phrases if $code is null
* @link http://pear.php.net/bugs/18716
*/
public static function getDefaultReasonPhrase($code = null)
{
if (null === $code) {
return self::$phrases;
} else {
return isset(self::$phrases[$code]) ? self::$phrases[$code] : null;
}
}
/**
* Constructor, parses the response status line
*
* @param string $statusLine Response status line (e.g. "HTTP/1.1 200 OK")
* @param bool $bodyEncoded Whether body is still encoded by Content-Encoding
* @param string $effectiveUrl Effective URL of the response
*
* @throws HTTP_Request2_MessageException if status line is invalid according to spec
*/
public function __construct($statusLine, $bodyEncoded = true, $effectiveUrl = null)
{
if (!preg_match('!^HTTP/(\d\.\d) (\d{3})(?: (.+))?!', $statusLine, $m)) {
throw new HTTP_Request2_MessageException(
"Malformed response: {$statusLine}",
HTTP_Request2_Exception::MALFORMED_RESPONSE
);
}
$this->version = $m[1];
$this->code = intval($m[2]);
$this->reasonPhrase = !empty($m[3]) ? trim($m[3]) : self::getDefaultReasonPhrase($this->code);
$this->bodyEncoded = (bool)$bodyEncoded;
$this->effectiveUrl = (string)$effectiveUrl;
}
/**
* Parses the line from HTTP response filling $headers array
*
* The method should be called after reading the line from socket or receiving
* it into cURL callback. Passing an empty string here indicates the end of
* response headers and triggers additional processing, so be sure to pass an
* empty string in the end.
*
* @param string $headerLine Line from HTTP response
*/
public function parseHeaderLine($headerLine)
{
$headerLine = trim($headerLine, "\r\n");
if ('' == $headerLine) {
// empty string signals the end of headers, process the received ones
if (!empty($this->headers['set-cookie'])) {
$cookies = is_array($this->headers['set-cookie'])?
$this->headers['set-cookie']:
array($this->headers['set-cookie']);
foreach ($cookies as $cookieString) {
$this->parseCookie($cookieString);
}
unset($this->headers['set-cookie']);
}
foreach (array_keys($this->headers) as $k) {
if (is_array($this->headers[$k])) {
$this->headers[$k] = implode(', ', $this->headers[$k]);
}
}
} elseif (preg_match('!^([^\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]+):(.+)$!', $headerLine, $m)) {
// string of the form header-name: header value
$name = strtolower($m[1]);
$value = trim($m[2]);
if (empty($this->headers[$name])) {
$this->headers[$name] = $value;
} else {
if (!is_array($this->headers[$name])) {
$this->headers[$name] = array($this->headers[$name]);
}
$this->headers[$name][] = $value;
}
$this->lastHeader = $name;
} elseif (preg_match('!^\s+(.+)$!', $headerLine, $m) && $this->lastHeader) {
// continuation of a previous header
if (!is_array($this->headers[$this->lastHeader])) {
$this->headers[$this->lastHeader] .= ' ' . trim($m[1]);
} else {
$key = count($this->headers[$this->lastHeader]) - 1;
$this->headers[$this->lastHeader][$key] .= ' ' . trim($m[1]);
}
}
}
/**
* Parses a Set-Cookie header to fill $cookies array
*
* @param string $cookieString value of Set-Cookie header
*
* @link http://web.archive.org/web/20080331104521/http://cgi.netscape.com/newsref/std/cookie_spec.html
*/
protected function parseCookie($cookieString)
{
$cookie = array(
'expires' => null,
'domain' => null,
'path' => null,
'secure' => false
);
if (!strpos($cookieString, ';')) {
// Only a name=value pair
$pos = strpos($cookieString, '=');
$cookie['name'] = trim(substr($cookieString, 0, $pos));
$cookie['value'] = trim(substr($cookieString, $pos + 1));
} else {
// Some optional parameters are supplied
$elements = explode(';', $cookieString);
$pos = strpos($elements[0], '=');
$cookie['name'] = trim(substr($elements[0], 0, $pos));
$cookie['value'] = trim(substr($elements[0], $pos + 1));
for ($i = 1; $i < count($elements); $i++) {
if (false === strpos($elements[$i], '=')) {
$elName = trim($elements[$i]);
$elValue = null;
} else {
list ($elName, $elValue) = array_map('trim', explode('=', $elements[$i]));
}
$elName = strtolower($elName);
if ('secure' == $elName) {
$cookie['secure'] = true;
} elseif ('expires' == $elName) {
$cookie['expires'] = str_replace('"', '', $elValue);
} elseif ('path' == $elName || 'domain' == $elName) {
$cookie[$elName] = urldecode($elValue);
} else {
$cookie[$elName] = $elValue;
}
}
}
$this->cookies[] = $cookie;
}
/**
* Appends a string to the response body
*
* @param string $bodyChunk part of response body
*/
public function appendBody($bodyChunk)
{
$this->body .= $bodyChunk;
}
/**
* Returns the effective URL of the response
*
* This may be different from the request URL if redirects were followed.
*
* @return string
* @link http://pear.php.net/bugs/bug.php?id=18412
*/
public function getEffectiveUrl()
{
return $this->effectiveUrl;
}
/**
* Returns the status code
*
* @return integer
*/
public function getStatus()
{
return $this->code;
}
/**
* Returns the reason phrase
*
* @return string
*/
public function getReasonPhrase()
{
return $this->reasonPhrase;
}
/**
* Whether response is a redirect that can be automatically handled by HTTP_Request2
*
* @return bool
*/
public function isRedirect()
{
return in_array($this->code, array(300, 301, 302, 303, 307))
&& isset($this->headers['location']);
}
/**
* Returns either the named header or all response headers
*
* @param string $headerName Name of header to return
*
* @return string|array Value of $headerName header (null if header is
* not present), array of all response headers if
* $headerName is null
*/
public function getHeader($headerName = null)
{
if (null === $headerName) {
return $this->headers;
} else {
$headerName = strtolower($headerName);
return isset($this->headers[$headerName])? $this->headers[$headerName]: null;
}
}
/**
* Returns cookies set in response
*
* @return array
*/
public function getCookies()
{
return $this->cookies;
}
/**
* Returns the body of the response
*
* @return string
* @throws HTTP_Request2_Exception if body cannot be decoded
*/
public function getBody()
{
if (0 == strlen($this->body) || !$this->bodyEncoded
|| !in_array(strtolower($this->getHeader('content-encoding')), array('gzip', 'deflate'))
) {
return $this->body;
} else {
if (extension_loaded('mbstring') && (2 & ini_get('mbstring.func_overload'))) {
$oldEncoding = mb_internal_encoding();
mb_internal_encoding('8bit');
}
try {
switch (strtolower($this->getHeader('content-encoding'))) {
case 'gzip':
$decoded = self::decodeGzip($this->body);
break;
case 'deflate':
$decoded = self::decodeDeflate($this->body);
}
} catch (Exception $e) {
}
if (!empty($oldEncoding)) {
mb_internal_encoding($oldEncoding);
}
if (!empty($e)) {
throw $e;
}
return $decoded;
}
}
/**
* Get the HTTP version of the response
*
* @return string
*/
public function getVersion()
{
return $this->version;
}
/**
* Decodes the message-body encoded by gzip
*
* The real decoding work is done by gzinflate() built-in function, this
* method only parses the header and checks data for compliance with
* RFC 1952
*
* @param string $data gzip-encoded data
*
* @return string decoded data
* @throws HTTP_Request2_LogicException
* @throws HTTP_Request2_MessageException
* @link http://tools.ietf.org/html/rfc1952
*/
public static function decodeGzip($data)
{
$length = strlen($data);
// If it doesn't look like gzip-encoded data, don't bother
if (18 > $length || strcmp(substr($data, 0, 2), "\x1f\x8b")) {
return $data;
}
if (!function_exists('gzinflate')) {
throw new HTTP_Request2_LogicException(
'Unable to decode body: gzip extension not available',
HTTP_Request2_Exception::MISCONFIGURATION
);
}
$method = ord(substr($data, 2, 1));
if (8 != $method) {
throw new HTTP_Request2_MessageException(
'Error parsing gzip header: unknown compression method',
HTTP_Request2_Exception::DECODE_ERROR
);
}
$flags = ord(substr($data, 3, 1));
if ($flags & 224) {
throw new HTTP_Request2_MessageException(
'Error parsing gzip header: reserved bits are set',
HTTP_Request2_Exception::DECODE_ERROR
);
}
// header is 10 bytes minimum. may be longer, though.
$headerLength = 10;
// extra fields, need to skip 'em
if ($flags & 4) {
if ($length - $headerLength - 2 < 8) {
throw new HTTP_Request2_MessageException(
'Error parsing gzip header: data too short',
HTTP_Request2_Exception::DECODE_ERROR
);
}
$extraLength = unpack('v', substr($data, 10, 2));
if ($length - $headerLength - 2 - $extraLength[1] < 8) {
throw new HTTP_Request2_MessageException(
'Error parsing gzip header: data too short',
HTTP_Request2_Exception::DECODE_ERROR
);
}
$headerLength += $extraLength[1] + 2;
}
// file name, need to skip that
if ($flags & 8) {
if ($length - $headerLength - 1 < 8) {
throw new HTTP_Request2_MessageException(
'Error parsing gzip header: data too short',
HTTP_Request2_Exception::DECODE_ERROR
);
}
$filenameLength = strpos(substr($data, $headerLength), chr(0));
if (false === $filenameLength || $length - $headerLength - $filenameLength - 1 < 8) {
throw new HTTP_Request2_MessageException(
'Error parsing gzip header: data too short',
HTTP_Request2_Exception::DECODE_ERROR
);
}
$headerLength += $filenameLength + 1;
}
// comment, need to skip that also
if ($flags & 16) {
if ($length - $headerLength - 1 < 8) {
throw new HTTP_Request2_MessageException(
'Error parsing gzip header: data too short',
HTTP_Request2_Exception::DECODE_ERROR
);
}
$commentLength = strpos(substr($data, $headerLength), chr(0));
if (false === $commentLength || $length - $headerLength - $commentLength - 1 < 8) {
throw new HTTP_Request2_MessageException(
'Error parsing gzip header: data too short',
HTTP_Request2_Exception::DECODE_ERROR
);
}
$headerLength += $commentLength + 1;
}
// have a CRC for header. let's check
if ($flags & 2) {
if ($length - $headerLength - 2 < 8) {
throw new HTTP_Request2_MessageException(
'Error parsing gzip header: data too short',
HTTP_Request2_Exception::DECODE_ERROR
);
}
$crcReal = 0xffff & crc32(substr($data, 0, $headerLength));
$crcStored = unpack('v', substr($data, $headerLength, 2));
if ($crcReal != $crcStored[1]) {
throw new HTTP_Request2_MessageException(
'Header CRC check failed',
HTTP_Request2_Exception::DECODE_ERROR
);
}
$headerLength += 2;
}
// unpacked data CRC and size at the end of encoded data
$tmp = unpack('V2', substr($data, -8));
$dataCrc = $tmp[1];
$dataSize = $tmp[2];
// finally, call the gzinflate() function
// don't pass $dataSize to gzinflate, see bugs #13135, #14370
$unpacked = gzinflate(substr($data, $headerLength, -8));
if (false === $unpacked) {
throw new HTTP_Request2_MessageException(
'gzinflate() call failed',
HTTP_Request2_Exception::DECODE_ERROR
);
} elseif ($dataSize != strlen($unpacked)) {
throw new HTTP_Request2_MessageException(
'Data size check failed',
HTTP_Request2_Exception::DECODE_ERROR
);
} elseif ((0xffffffff & $dataCrc) != (0xffffffff & crc32($unpacked))) {
throw new HTTP_Request2_Exception(
'Data CRC check failed',
HTTP_Request2_Exception::DECODE_ERROR
);
}
return $unpacked;
}
/**
* Decodes the message-body encoded by deflate
*
* @param string $data deflate-encoded data
*
* @return string decoded data
* @throws HTTP_Request2_LogicException
*/
public static function decodeDeflate($data)
{
if (!function_exists('gzuncompress')) {
throw new HTTP_Request2_LogicException(
'Unable to decode body: gzip extension not available',
HTTP_Request2_Exception::MISCONFIGURATION
);
}
// RFC 2616 defines 'deflate' encoding as zlib format from RFC 1950,
// while many applications send raw deflate stream from RFC 1951.
// We should check for presence of zlib header and use gzuncompress() or
// gzinflate() as needed. See bug #15305
$header = unpack('n', substr($data, 0, 2));
return (0 == $header[1] % 31)? gzuncompress($data): gzinflate($data);
}
}
?>