FM / IO

/home/techb158/balacoffee.com/wp-content/plugins/updraftplus/includes/Google/IO/

/home/techb158/balacoffee.com/wp-content/plugins/updraftplus/includes/Google/IO

Name	Size	Mode	Actions
Abstract.php	10923	0644	edit dl rm
cacerts.pem	134862	0644	edit dl rm
Curl.php	5472	0644	edit dl rm
Exception.php	1839	0644	edit dl rm
Stream.php	8023	0644	edit dl rm

Edit: /home/techb158/balacoffee.com/wp-content/plugins/updraftplus/includes/Google/IO/Stream.php (8023B)

<?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 Google_IO.
 *
 * @author Stuart Langley <slangley@google.com>
 */

if (!class_exists('UDP_Google_Client')) {
  require_once dirname(__FILE__) . '/../autoload.php';
}

class UDP_Google_IO_Stream extends UDP_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,
  );

public function __construct(UDP_Google_Client $client)
  {
    if (!ini_get('allow_url_fopen')) {
      $error = 'The stream IO handler requires the allow_url_fopen runtime ' .
               'configuration to be enabled';
      $client->getLogger()->critical($error);
      throw new UDP_Google_IO_Exception($error);
    }

parent::__construct($client);
  }

/**
   * Execute an HTTP Request
   *
   * @param Google_Http_Request $request the http request to be executed
   * @return array containing response headers, body, and http code
   * @throws UDP_Google_IO_Exception on curl or IO error
   */
  public function executeRequest(UDP_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();

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

$url = $request->getUrl();

if (preg_match('#^https?://([^/]+)/#', $url, $umatches)) { $cname = $umatches[1]; } else { $cname = false; }

# UpdraftPlus patch
// Added
if (empty($this->options['disable_verify_peer'])) {
	$requestSslContext['verify_peer'] = true;
	if (version_compare(PHP_VERSION, '5.6.0', '>=')) {
		if (!empty($cname)) $requestSslContext['peer_name'] = $cname;
	} else {
		if (!empty($cname)) {
			$requestSslContext['CN_match'] = $cname;
			$retry_on_fail = true;
		}
	}
} else {
	$requestSslContext['allow_self_signed'] = true;
}
if (!empty($this->options['cafile'])) $requestSslContext['cafile'] = $this->options['cafile'];

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

$context = stream_context_create($options);

# UpdraftPlus patch
//     $url = $request->getUrl();

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

$this->client->getLogger()->debug(
        'Stream request',
        array(
            'url' => $url,
            'method' => $request->getRequestMethod(),
            'headers' => $requestHeaders,
            'body' => $request->getPostBody()
        )
    );

// 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);

# UpdraftPLus patch
    if (!$fh && isset($retry_on_fail) && !empty($cname) && 'www.googleapis.com' == $cname) {
// Reset
	$this->trappedErrorNumber = null;
	$this->trappedErrorString = null;
       global $updraftplus;
       $updraftplus->log("Using Stream, and fopen failed; retrying different CN match to try to overcome");
       // www.googleapis.com does not match the cert now being presented - *.storage.googleapis.com; presumably, PHP's stream handler isn't handling alternative names properly. Rather than turn off all verification, let's retry with a new name to match.
       $options['ssl']['CN_match'] = 'www.storage.googleapis.com';
       $context = stream_context_create($options);
       $fh = fopen($url, 'r', false, $context);
    }

restore_error_handler();
    // END - error trap.

if ($this->trappedErrorNumber) {
      $error = sprintf(
          "HTTP Error: Unable to connect: '%s'",
          $this->trappedErrorString
      );

$this->client->getLogger()->error('Stream ' . $error);
      throw new UDP_Google_IO_Exception($error, $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) {
      $error = sprintf(
          "HTTP Error: Unable to connect: '%s'",
          $respHttpCode
      );

$this->client->getLogger()->error('Stream ' . $error);
      throw new UDP_Google_IO_Exception($error, $respHttpCode);
    }

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

$this->client->getLogger()->debug(
        'Stream response',
        array(
            'code' => $respHttpCode,
            'headers' => $responseHeaders,
            'body' => $response_data,
        )
    );

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;
  }
}

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