Professor6T9 Web SheLL

Windows NT WEB-23 10.0 build 17763 (Windows Server 2016) i586
Microsoft-IIS/10.0
103.118.16.173

File Name : Stream.php

<?php
/*
 * Copyright 2013 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Http Streams based implementation of W3TCG_Google_IO.
 *
 * @author Stuart Langley <slangley@google.com>
 */

class W3TCG_Google_IO_Stream extends W3TCG_Google_IO_Abstract
{
  const TIMEOUT = "timeout";
  const ZLIB = "compress.zlib://";
  private $options = array();
  private $trappedErrorNumber;
  private $trappedErrorString;

private static $DEFAULT_HTTP_CONTEXT = array(
    "follow_location" => 0,
    "ignore_errors" => 1,
  );

private static $DEFAULT_SSL_CONTEXT = array(
    "verify_peer" => true,
  );

/**
   * Execute an HTTP Request
   *
   * @param W3TCG_Google_HttpRequest $request the http request to be executed
   * @return W3TCG_Google_HttpRequest http request with the response http code,
   * response headers and response body filled in
   * @throws W3TCG_Google_IO_Exception on curl or IO error
   */
  public function executeRequest(W3TCG_Google_Http_Request $request)
  {
    $default_options = stream_context_get_options(stream_context_get_default());

$requestHttpContext = array_key_exists('http', $default_options) ?
        $default_options['http'] : array();

if ($request->getPostBody()) {
      $requestHttpContext["content"] = $request->getPostBody();
    }

$requestHeaders = $request->getRequestHeaders();
    if ($requestHeaders && is_array($requestHeaders)) {
      $headers = "";
      foreach ($requestHeaders as $k => $v) {
        $headers .= "$k: $v\r\n";
      }
      $requestHttpContext["header"] = $headers;
    }

$requestHttpContext["method"] = $request->getRequestMethod();
    $requestHttpContext["user_agent"] = $request->getUserAgent();

$requestSslContext = array_key_exists('ssl', $default_options) ?
        $default_options['ssl'] : array();

if (!array_key_exists("cafile", $requestSslContext)) {
      $requestSslContext["cafile"] = dirname(__FILE__) . '/cacerts.pem';
    }

$options = array(
        "http" => array_merge(
            self::$DEFAULT_HTTP_CONTEXT,
            $requestHttpContext
        ),
        "ssl" => array_merge(
            self::$DEFAULT_SSL_CONTEXT,
            $requestSslContext
        )
    );

$context = stream_context_create($options);

$url = $request->getUrl();

if ($request->canGzip()) {
      $url = self::ZLIB . $url;
    }

// We are trapping any thrown errors in this method only and
    // throwing an exception.
    $this->trappedErrorNumber = null;
    $this->trappedErrorString = null;

// START - error trap.
    set_error_handler(array($this, 'trapError'));
    $fh = fopen($url, 'r', false, $context);
    restore_error_handler();
    // END - error trap.

if ($this->trappedErrorNumber) {
      throw new W3TCG_Google_IO_Exception(
          sprintf(
              "HTTP Error: Unable to connect: '%s'",
              $this->trappedErrorString
          ),
          $this->trappedErrorNumber
      );
    }

$response_data = false;
    $respHttpCode = self::UNKNOWN_CODE;
    if ($fh) {
      if (isset($this->options[self::TIMEOUT])) {
        stream_set_timeout($fh, $this->options[self::TIMEOUT]);
      }

$response_data = stream_get_contents($fh);
      fclose($fh);

$respHttpCode = $this->getHttpResponseCode($http_response_header);
    }

if (false === $response_data) {
      throw new W3TCG_Google_IO_Exception(
          sprintf(
              "HTTP Error: Unable to connect: '%s'",
              $respHttpCode
          ),
          $respHttpCode
      );
    }

$responseHeaders = $this->getHttpResponseHeaders($http_response_header);

return array($response_data, $responseHeaders, $respHttpCode);
  }

/**
   * Set options that update the transport implementation's behavior.
   * @param $options
   */
  public function setOptions($options)
  {
    $this->options = $options + $this->options;
  }

/**
   * Method to handle errors, used for error handling around
   * stream connection methods.
   */
  public function trapError($errno, $errstr)
  {
    $this->trappedErrorNumber = $errno;
    $this->trappedErrorString = $errstr;
  }

/**
   * Set the maximum request time in seconds.
   * @param $timeout in seconds
   */
  public function setTimeout($timeout)
  {
    $this->options[self::TIMEOUT] = $timeout;
  }

/**
   * Get the maximum request time in seconds.
   * @return timeout in seconds
   */
  public function getTimeout()
  {
    return $this->options[self::TIMEOUT];
  }

/**
   * Test for the presence of a cURL header processing bug
   *
   * {@inheritDoc}
   *
   * @return boolean
   */
  protected function needsQuirk()
  {
    return false;
  }

protected function getHttpResponseCode($response_headers)
  {
    $header_count = count($response_headers);

for ($i = 0; $i < $header_count; $i++) {
      $header = $response_headers[$i];
      if (strncasecmp("HTTP", $header, strlen("HTTP")) == 0) {
        $response = explode(' ', $header);
        return $response[1];
      }
    }
    return self::UNKNOWN_CODE;
  }
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/0	0777	2023-06-20 01:43:28
..	dir	-	0/0	0777	2023-06-20 01:43:28
Abstract.php	text/x-php	10.69 KB	0/0	0666	2017-07-09 09:01:23
Curl.php	text/x-php	4.15 KB	0/0	0666	2017-07-09 09:01:24
Exception.php	text/x-php	689 B	0/0	0666	2017-07-09 09:01:25
Stream.php	text/x-php	5.66 KB	0/0	0666	2017-07-09 09:01:25
cacerts.pem	text/plain	131.7 KB	0/0	0666	2017-07-09 09:01:24

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