private function GetResponse()
{
if (!$this->connected) {
return null;
}
$arHeaders = array();
$body = "";
while ($line = fgets($this->fp, 4096)) {
if ($line == "\r\n") {
break;
}
$arHeaders[] = trim($line);
}
if (count($arHeaders) <= 0) {
return null;
}
$bChunked = $bConnectionClosed = false;
$contentLength = null;
foreach ($arHeaders as $value) {
if (!$bChunked && preg_match("#Transfer-Encoding:\\s*chunked#i", $value)) {
$bChunked = true;
}
if (!$bConnectionClosed && preg_match('#Connection:\\s*close#i', $value)) {
$bConnectionClosed = true;
}
if (is_null($contentLength)) {
if (preg_match('#Content-Length:\\s*([0-9]*)#i', $value, $arMatches)) {
$contentLength = intval($arMatches[1]);
}
if (preg_match('#HTTP/1\\.1\\s+204#i', $value)) {
$contentLength = 0;
}
}
}
if ($bChunked) {
do {
$line = fgets($this->fp, 4096);
$line = strtolower($line);
$chunkSize = "";
$i = 0;
while ($i < strlen($line)) {
$c = substr($line, $i, 1);
if (in_array($c, array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"))) {
$chunkSize .= $c;
} else {
break;
}
$i++;
}
$chunkSize = hexdec($chunkSize);
if ($chunkSize > 0) {
$lb = $chunkSize;
$body1 = '';
while ($lb > 0) {
$d = fread($this->fp, $lb);
if ($d === false) {
break;
}
$body1 .= $d;
$lb = $chunkSize - (function_exists('mb_strlen') ? mb_strlen($body1, 'latin1') : strlen($body1));
}
$body .= $body1;
}
fgets($this->fp, 4096);
} while ($chunkSize);
} elseif ($contentLength === 0) {
} elseif ($contentLength > 0) {
$lb = $contentLength;
while ($lb > 0) {
$d = fread($this->fp, $lb);
if ($d === false) {
break;
}
$body .= $d;
$lb = $contentLength - (function_exists('mb_strlen') ? mb_strlen($body, 'latin1') : strlen($body));
}
} else {
socket_set_timeout($this->fp, 0);
while (!feof($this->fp)) {
$d = fread($this->fp, 4096);
if ($d === false) {
break;
}
$body .= $d;
if (substr($body, -9) == "\r\n\r\n0\r\n\r\n") {
$body = substr($body, 0, -9);
break;
}
}
socket_set_timeout($this->fp, $this->socketTimeout);
}
if ($bConnectionClosed) {
$this->Disconnect();
}
$responce = new CDavExchangeClientResponce($arHeaders, $body);
$httpVersion = $responce->GetStatus('version');
if (is_null($httpVersion) || $httpVersion != 'HTTP/1.1' && $httpVersion != 'HTTP/1.0') {
return null;
}
return $responce;
}
private function Authenticate($request, $response)
{
$authenticate = $response->GetHeader('WWW-Authenticate');
$authenticateProxy = $response->GetHeader('Proxy-Authenticate');
if (is_null($authenticate) && is_null($authenticateProxy)) {
return null;
}
if (!is_null($authenticate) && !is_array($authenticate)) {
$authenticate = array($authenticate);
}
if (!is_null($authenticateProxy) && !is_array($authenticateProxy)) {
$authenticateProxy = array($authenticateProxy);
}
if (!is_null($authenticate)) {
$arAuth = array();
foreach ($authenticate as $auth) {
$auth = trim($auth);
$p = strpos($auth, " ");
if ($p !== false) {
$arAuth[strtolower(substr($auth, 0, $p))] = trim(substr($auth, $p));
} else {
$arAuth[strtolower($auth)] = "";
}
}
if (array_key_exists("digest", $arAuth)) {
$request = $this->AuthenticateDigest(CDavExchangeClientResponce::ExtractArray($arAuth["digest"]), $request, $response, "Authorization");
} elseif (array_key_exists("basic", $arAuth)) {
$request = $this->AuthenticateBasic(CDavExchangeClientResponce::ExtractArray($arAuth["basic"]), $request, $response, "Authorization");
} elseif (array_key_exists("googlelogin", $arAuth)) {
$request = $this->AuthenticateGoogleLogin(CDavExchangeClientResponce::ExtractArray($arAuth["basic"]), $request, $response, "Authorization");
if ($request === null) {
return null;
}
} else {
return null;
}
}
if (!is_null($authenticateProxy)) {
$arAuthProxy = array();
foreach ($authenticateProxy as $auth) {
$auth = trim($auth);
$p = strpos($auth, " ");
if ($p !== false) {
$arAuthProxy[strtolower(substr($auth, 0, $p))] = trim(substr($auth, $p));
} else {
$arAuthProxy[strtolower($auth)] = "";
}
}
if (array_key_exists("digest", $arAuthProxy)) {
$request = $this->AuthenticateDigest(CDavExchangeClientResponce::ExtractArray($arAuthProxy["digest"]), $request, $response, "Proxy-Authorization");
} elseif (array_key_exists("basic", $arAuthProxy)) {
$request = $this->AuthenticateBasic(CDavExchangeClientResponce::ExtractArray($arAuthProxy["basic"]), $request, $response, "Proxy-Authorization");
} else {
return null;
}
}
return $request;
}
