Edit File by line

<?php

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if (!defined('ABSPATH')) exit;

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if (!class_exists('BVRespStream')) :

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class BVStream extends BVCallbackBase {

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public $bvb64stream;

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public $bvb64cksize;

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public $checksum;

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function __construct($request) {

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$this->bvb64stream = $request->bvb64stream;

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$this->bvb64cksize = $request->bvb64cksize;

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$this->checksum = $request->checksum;

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}

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public function writeChunk($chunk) {

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}

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public static function startStream($account, $request) {

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$result = array();

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$params = $request->params;

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$stream = new BVRespStream($request);

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if ($request->isAPICall()) {

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$stream = new BVHttpStream($request);

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if (!$stream->connect()) {

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$apicallstatus = array(

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"httperror" => "Cannot Open Connection to Host",

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"streamerrno" => $stream->errno,

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"streamerrstr" => $stream->errstr

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);

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return array("apicallstatus" => $apicallstatus);

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}

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if (array_key_exists('acbmthd', $params)) {

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$qstr = http_build_query(array('bvapicheck' => $params['bvapicheck']));

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$url = '/bvapi/'.$params['acbmthd']."?".$qstr;

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if (array_key_exists('acbqry', $params)) {

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$url .= "&".$params['acbqry'];

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}

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$stream->multipartChunkedPost($url);

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} else {

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return array("apicallstatus" => array("httperror" => "ApiCall method not present"));

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}

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}

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return array('stream' => $stream);

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}

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public function writeStream($chunk) {

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if (strlen($chunk) > 0) {

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$bvb64_prefix = "";

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if ($this->bvb64stream) {

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$chunk_size = $this->bvb64cksize;

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$chunk = $this->base64Encode($chunk, $chunk_size);

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$bvb64_prefix .= "BVB64" . ":";

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}

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$hash_prefix = "";

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if ($this->checksum == 'crc32') {

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$hash_prefix .= "CRC32" . ":" . crc32($chunk) . ":";

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} else if ($this->checksum == 'md5') {

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$hash_prefix .= "MD5" . ":" . md5($chunk) . ":";

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}

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$chunk = $hash_prefix . $bvb64_prefix . strlen($chunk) . ":" . $chunk;

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$this->writeChunk($chunk);

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}

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}

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}

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class BVRespStream extends BVStream {

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public $bvboundry;

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function __construct($request) {

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parent::__construct($request);

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$this->bvboundry = $request->bvboundry;

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}

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public function writeChunk($chunk) {

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echo $this->bvboundry . "ckckckckck" . $chunk . $this->bvboundry . "ckckckckck";

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}

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public function endStream() {

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echo $this->bvboundry . "rerererere";

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return array();

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}

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}

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class BVHttpStream extends BVStream {

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var $user_agent = 'BVHttpStream';

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var $host;

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var $port;

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var $timeout = 20;

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var $conn;

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var $errno;

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var $errstr;

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var $boundary;

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var $apissl;

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function __construct($request) {

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parent::__construct($request);

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$this->host = $request->params['apihost'];

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$this->port = intval($request->params['apiport']);

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$this->apissl = array_key_exists('apissl', $request->params);

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}

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public function connect() {

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if ($this->apissl && function_exists('stream_socket_client')) {

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$this->conn = stream_socket_client("ssl://".$this->host.":".$this->port, $errno, $errstr, $this->timeout);

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} else {

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$this->conn = @fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout);

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}

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if (!$this->conn) {

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$this->errno = $errno;

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$this->errstr = $errstr;

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return false;

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}

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socket_set_timeout($this->conn, $this->timeout);

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return true;

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}

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public function write($data) {

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fwrite($this->conn, $data);

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}

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public function sendChunk($data) {

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$this->write(sprintf("%x\r\n", strlen($data)));

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$this->write($data);

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$this->write("\r\n");

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}

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public function sendRequest($method, $url, $headers = array(), $body = null) {

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$def_hdrs = array("Connection" => "keep-alive",

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"Host" => $this->host);

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$headers = array_merge($def_hdrs, $headers);

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$request = strtoupper($method)." ".$url." HTTP/1.1\r\n";

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if (null != $body) {

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$headers["Content-length"] = strlen($body);

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}

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foreach($headers as $key=>$val) {

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$request .= $key.":".$val."\r\n";

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}

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$request .= "\r\n";

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if (null != $body) {

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$request .= $body;

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}

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$this->write($request);

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return $request;

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}

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public function post($url, $headers = array(), $body = "") {

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if(is_array($body)) {

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$b = "";

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foreach($body as $key=>$val) {

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$b .= $key."=".urlencode($val)."&";

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}

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$body = substr($b, 0, strlen($b) - 1);

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}

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$this->sendRequest("POST", $url, $headers, $body);

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}

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public function streamedPost($url, $headers = array()) {

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$headers['Transfer-Encoding'] = "chunked";

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$this->sendRequest("POST", $url, $headers);

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}

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public function multipartChunkedPost($url) {

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$mph = array(

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"Content-Disposition" => "form-data; name=bvinfile; filename=data",

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"Content-Type" => "application/octet-stream"

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);

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$rnd = rand(100000, 999999);

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$this->boundary = "----".$rnd;

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$prologue = "--".$this->boundary."\r\n";

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foreach($mph as $key=>$val) {

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$prologue .= $key.":".$val."\r\n";

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}

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$prologue .= "\r\n";

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$headers = array('Content-Type' => "multipart/form-data; boundary=".$this->boundary);

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$this->streamedPost($url, $headers);

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$this->sendChunk($prologue);

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}

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public function writeChunk($data) {

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$this->sendChunk($data);

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}

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public function closeChunk() {

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$this->sendChunk("");

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}

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public function endStream() {

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$epilogue = "\r\n\r\n--".$this->boundary."--\r\n";

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$this->sendChunk($epilogue);

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$this->closeChunk();

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$result = array();

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$resp = $this->getResponse();

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if (array_key_exists('httperror', $resp)) {

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$result["httperror"] = $resp['httperror'];

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} else {

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$result["respstatus"] = $resp['status'];

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$result["respstatus_string"] = $resp['status_string'];

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}

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return array("apicallstatus" => $result);

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}

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public function getResponse() {

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$response = array();

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$response['headers'] = array();

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$state = 1;

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$conlen = 0;

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stream_set_timeout($this->conn, 300);

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while (!feof($this->conn)) {

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$line = fgets($this->conn, 4096);

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if (1 == $state) {

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if (!BVHelper::safePregMatch('/HTTP\/(\\d\\.\\d)\\s*(\\d+)\\s*(.*)/', $line, $m)) {

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$response['httperror'] = "Status code line invalid: ".htmlentities($line);

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return $response;

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}

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$response['http_version'] = $m[1];

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$response['status'] = $m[2];

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$response['status_string'] = $m[3];

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$state = 2;

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} else if (2 == $state) {

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# End of headers

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if (2 == strlen($line)) {

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if ($conlen > 0)

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$response['body'] = fread($this->conn, $conlen);

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return $response;

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}

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if (!BVHelper::safePregMatch('/([^:]+):\\s*(.*)/', $line, $m)) {

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// Skip to the next header

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continue;

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}

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$key = strtolower(trim($m[1]));

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$val = trim($m[2]);

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$response['headers'][$key] = $val;

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if ($key == "content-length") {

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$conlen = intval($val);

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}

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}

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}

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return $response;

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}

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}

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endif;

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