public function Wait($timeout = false, $readfps = array(), $writefps = array(), $exceptfps = NULL)
{
$readfps["ws_s"] = $this->fp;
if ($timeout === false || $timeout > $this->defaultkeepalive) {
$timeout = $this->defaultkeepalive;
}
foreach ($this->clients as $id => &$client) {
if ($client["writedata"] === "") {
$readfps["ws_c_" . $id] = $client["fp"];
}
if ($client["writedata"] !== "" || $client["websocket"] !== false && $client["websocket"]->NeedsWrite()) {
$writefps["ws_c_" . $id] = $client["fp"];
}
if ($client["websocket"] !== false) {
$timeout2 = $client["websocket"]->GetKeepAliveTimeout();
if ($timeout > $timeout2) {
$timeout = $timeout2;
}
}
}
$result = array("success" => true, "clients" => array(), "removed" => array(), "readfps" => array(), "writefps" => array(), "exceptfps" => array());
$result2 = @stream_select($readfps, $writefps, $exceptfps, $timeout);
if ($result2 === false) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Wait() failed due to stream_select() failure. Most likely cause: Connection failure."), "errorcode" => "stream_select_failed");
}
// Handle new connections.
if (isset($readfps["ws_s"])) {
while (($fp = @stream_socket_accept($this->fp, 0)) !== false) {
// Enable non-blocking mode.
stream_set_blocking($fp, 0);
$this->clients[$this->nextclientid] = array("id" => $this->nextclientid, "readdata" => "", "writedata" => "", "request" => false, "path" => "", "url" => "", "headers" => array(), "lastheader" => "", "websocket" => false, "fp" => $fp);
$this->nextclientid++;
}
unset($readfps["s"]);
}
// Handle clients in the read queue.
foreach ($readfps as $cid => $fp) {
if (!is_string($cid) || strlen($cid) < 6 || substr($cid, 0, 5) !== "ws_c_") {
continue;
}
$id = (int) substr($cid, 5);
if (!isset($this->clients[$id])) {
continue;
}
if ($this->clients[$id]["websocket"] !== false) {
$this->ProcessClientQueuesAndTimeoutState($result, $id, true, isset($writefps[$cid]));
// Remove active WebSocket clients from the write queue.
unset($writefps[$cid]);
} else {
$result2 = @fread($fp, 8192);
if ($result2 === false || feof($fp)) {
@fclose($fp);
unset($this->clients[$id]);
} else {
$this->clients[$id]["readdata"] .= $result2;
if (strlen($this->clients[$id]["readdata"]) > 100000) {
// Bad header size. Just kill the connection.
@fclose($fp);
unset($this->clients[$id]);
} else {
while (($pos = strpos($this->clients[$id]["readdata"], "\n")) !== false) {
// Retrieve the next line of input.
$line = rtrim(substr($this->clients[$id]["readdata"], 0, $pos));
$this->clients[$id]["readdata"] = (string) substr($this->clients[$id]["readdata"], $pos + 1);
if ($this->clients[$id]["request"] === false) {
$this->clients[$id]["request"] = trim($line);
} else {
if ($line !== "") {
// Process the header.
if ($this->clients[$id]["lastheader"] != "" && (substr($line, 0, 1) == " " || substr($line, 0, 1) == "\t")) {
$this->clients[$id]["headers"][$this->clients[$id]["lastheader"]] .= $header;
} else {
$pos = strpos($line, ":");
if ($pos === false) {
$pos = strlen($line);
}
$this->clients[$id]["lastheader"] = HTTP::HeaderNameCleanup(substr($line, 0, $pos));
$this->clients[$id]["headers"][$this->clients[$id]["lastheader"]] = ltrim(substr($line, $pos + 1));
}
} else {
// Headers have all been received. Process the client request.
$request = $this->clients[$id]["request"];
$pos = strpos($request, " ");
if ($pos === false) {
$pos = strlen($request);
}
$method = (string) substr($request, 0, $pos);
$request = trim(substr($request, $pos));
$pos = strrpos($request, " ");
if ($pos === false) {
$pos = strlen($request);
}
$path = (string) substr($request, 0, $pos);
if ($path === "") {
$path = "/";
}
$this->clients[$id]["path"] = $path;
$this->clients[$id]["url"] = "ws://" . $client["headers"]["Host"] . $path;
// Let a derived class handle the new connection (e.g. processing Origin and Host).
// Since the 'websocketclass' is instantiated AFTER this function, it is possible to switch classes on the fly.
$this->clients[$id]["writedata"] .= $this->ProcessNewConnection($method, $path, $this->clients[$id]);
// If an error occurs, the connection will still terminate.
$this->clients[$id]["websocket"] = new $this->websocketclass();
$this->clients[$id]["websocket"]->SetCloseMode($this->defaultclosemode);
$this->clients[$id]["websocket"]->SetKeepAliveTimeout($this->defaultkeepalive);
// If nothing was output, accept the connection.
if ($this->clients[$id]["writedata"] === "") {
$this->clients[$id]["writedata"] .= "HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\n";
$this->clients[$id]["writedata"] .= "Sec-WebSocket-Accept: " . base64_encode(sha1($this->clients[$id]["headers"]["Sec-Websocket-Key"] . WebSocket::KEY_GUID, true)) . "\r\n";
$this->clients[$id]["writedata"] .= $this->ProcessAcceptedConnection($method, $path, $this->clients[$id]);
$this->clients[$id]["writedata"] .= "\r\n";
// Finish class initialization.
$this->clients[$id]["websocket"]->SetServerMode();
$this->clients[$id]["websocket"]->SetMaxReadFrameSize($this->defaultmaxreadframesize);
$this->clients[$id]["websocket"]->SetMaxReadMessageSize($this->defaultmaxreadmessagesize);
// Set the socket in the WebSocket class.
$this->clients[$id]["websocket"]->Connect("", "", "", array("fp" => $fp));
}
break;
}
}
}
}
}
}
unset($readfps[$cid]);
}
// Handle remaining clients in the write queue.
foreach ($writefps as $cid => $fp) {
if (!is_string($cid) || strlen($cid) < 6 || substr($cid, 0, 5) !== "ws_c_") {
continue;
}
$id = (int) substr($cid, 5);
if (!isset($this->clients[$id])) {
continue;
}
if ($this->clients[$id]["writedata"] === "") {
$this->ProcessClientQueuesAndTimeoutState($result, $id, false, true);
} else {
$result2 = @fwrite($fp, $this->clients[$id]["writedata"]);
if ($result2 === false || feof($fp)) {
@fclose($fp);
unset($this->clients[$id]);
} else {
$this->clients[$id]["writedata"] = (string) substr($this->clients[$id]["writedata"], $result2);
// Let the application know about the new client.
if ($this->clients[$id]["writedata"] === "") {
$result["clients"][$id] = $this->clients[$id];
}
}
}
unset($writefps[$cid]);
}
// Handle client timeouts.
foreach ($this->clients as $id => &$client) {
if (!isset($result["clients"][$id]) && $client["writedata"] === "" && $client["websocket"] !== false) {
$this->ProcessClientQueuesAndTimeoutState($result, $id, false, false);
}
}
// Return any extra handles that were being waited on.
$result["readfps"] = $readfps;
$result["writefps"] = $writefps;
$result["exceptfps"] = $exceptfps;
return $result;
}
protected function ProcessReadData()
{
while (($frame = $this->ReadFrame()) !== false) {
// Verify that the opcode is probably valid.
if ($frame["opcode"] >= 0x3 && $frame["opcode"] <= 0x7 || $frame["opcode"] >= 0xb) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Invalid frame detected. Bad opcode 0x%02X.", $frame["opcode"]), "errorcode" => "bad_frame_opcode");
}
// No extension support (yet).
if ($frame["rsv1"] || $frame["rsv2"] || $frame["rsv3"]) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Invalid frame detected. One or more reserved extension bits are set."), "errorcode" => "bad_reserved_bits_set");
}
if ($frame["opcode"] >= 0x8) {
// Handle the control frame.
if (!$frame["fin"]) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Invalid frame detected. Fragmented control frame was received."), "errorcode" => "bad_control_frame");
}
if ($frame["opcode"] === self::FRAMETYPE_CONNECTION_CLOSE) {
if ($this->state === self::STATE_CLOSE) {
// Already sent the close state.
@fclose($this->fp);
$this->fp = false;
return array("success" => false, "error" => HTTP::HTTPTranslate("Connection closed by peer."), "errorcode" => "connection_closed");
} else {
// Change the state to close and send the connection close response to the peer at the appropriate time.
if ($this->closemode === self::CLOSE_IMMEDIATELY) {
$this->writemessages = array();
} else {
if ($this->closemode === self::CLOSE_AFTER_CURRENT_MESSAGE) {
$this->writemessages = array_slice($this->writemessages, 0, 1);
}
}
$this->state = self::STATE_CLOSE;
$result = $this->Write("", self::FRAMETYPE_CONNECTION_CLOSE);
if (!$result["success"]) {
return $result;
}
}
} else {
if ($frame["opcode"] === self::FRAMETYPE_PING) {
if ($this->state !== self::STATE_CLOSE) {
// Received a ping. Respond with a pong with the same payload.
$result = $this->Write($frame["payload"], self::FRAMETYPE_PONG, true, false, 0);
if (!$result["success"]) {
return $result;
}
}
} else {
if ($frame["opcode"] === self::FRAMETYPE_PONG) {
// Do nothing.
}
}
}
} else {
// Add this frame to the read message queue.
$lastcompleted = !count($this->readmessages) || $this->readmessages[count($this->readmessages) - 1]["fin"];
if ($lastcompleted) {
// Make sure the new frame is the start of a fragment or is not fragemented.
if ($frame["opcode"] === self::FRAMETYPE_CONTINUATION) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Invalid frame detected. Fragment continuation frame was received at the start of a fragment."), "errorcode" => "bad_continuation_frame");
}
$this->readmessages[] = $frame;
} else {
// Make sure the frame is a continuation frame.
if ($frame["opcode"] !== self::FRAMETYPE_CONTINUATION) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Invalid frame detected. Fragment continuation frame was not received for a fragment."), "errorcode" => "missing_continuation_frame");
}
$this->readmessages[count($this->readmessages) - 1]["fin"] = $frame["fin"];
$this->readmessages[count($this->readmessages) - 1]["payload"] .= $frame["payload"];
}
if ($this->maxreadmessagesize !== false && strlen($this->readmessages[count($this->readmessages) - 1]["payload"]) > $this->maxreadmessagesize) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Peer sent a single message exceeding %s bytes of data.", $this->maxreadmessagesize), "errorcode" => "max_read_message_size_exceeded");
}
}
//var_dump($frame);
}
return array("success" => true);
}
function get_check_curl_multi_init_key($ch)
{
global $curl_init__map;
$key = get_curl_multi_init_key($ch);
if (!isset($curl_multi_init__map[$key])) {
throw new Exception(HTTP::HTTPTranslate("cURL Emulator: Unable to find key mapping for resource."));
}
return $key;
}
public function Process($url, $profile = "auto", $tempoptions = array())
{
$startts = microtime(true);
$redirectts = $startts;
if (isset($tempoptions["timeout"])) {
$timeout = $tempoptions["timeout"];
} else {
if (isset($this->data["httpopts"]["timeout"])) {
$timeout = $this->data["httpopts"]["timeout"];
} else {
$timeout = false;
}
}
if (!isset($this->data["httpopts"]["headers"])) {
$this->data["httpopts"]["headers"] = array();
}
$this->data["httpopts"]["headers"] = HTTP::NormalizeHeaders($this->data["httpopts"]["headers"]);
unset($this->data["httpopts"]["method"]);
unset($this->data["httpopts"]["write_body_callback"]);
unset($this->data["httpopts"]["body"]);
unset($this->data["httpopts"]["postvars"]);
unset($this->data["httpopts"]["files"]);
$httpopts = $this->data["httpopts"];
$numfollow = $this->data["maxfollow"];
$numredirects = 0;
$totalrawsendsize = 0;
if (!isset($tempoptions["headers"])) {
$tempoptions["headers"] = array();
}
$tempoptions["headers"] = HTTP::NormalizeHeaders($tempoptions["headers"]);
if (isset($tempoptions["headers"]["Referer"])) {
$this->data["referer"] = $tempoptions["headers"]["Referer"];
}
// If a referrer is specified, use it to generate an absolute URL.
if ($this->data["referer"] != "") {
$url = HTTP::ConvertRelativeToAbsoluteURL($this->data["referer"], $url);
}
$urlinfo = HTTP::ExtractURL($url);
do {
if (!isset($this->data["allowedprotocols"][$urlinfo["scheme"]]) || !$this->data["allowedprotocols"][$urlinfo["scheme"]]) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Protocol '%s' is not allowed in '%s'.", $urlinfo["scheme"], $url), "errorcode" => "allowed_protocols");
}
$filename = HTTP::ExtractFilename($urlinfo["path"]);
$pos = strrpos($filename, ".");
$fileext = $pos !== false ? strtolower(substr($filename, $pos + 1)) : "";
// Set up some standard headers.
$headers = array();
$profile = strtolower($profile);
$tempprofile = explode("-", $profile);
if (count($tempprofile) == 2) {
$profile = $tempprofile[0];
$fileext = $tempprofile[1];
}
if (substr($profile, 0, 2) == "ie" || $profile == "auto" && substr($this->data["useragent"], 0, 2) == "ie") {
if ($fileext == "css") {
$headers["Accept"] = "text/css";
} else {
if ($fileext == "png" || $fileext == "jpg" || $fileext == "jpeg" || $fileext == "gif" || $fileext == "svg") {
$headers["Accept"] = "image/png, image/svg+xml, image/*;q=0.8, */*;q=0.5";
} else {
if ($fileext == "js") {
$headers["Accept"] = "application/javascript, */*;q=0.8";
} else {
if ($this->data["referer"] != "" || $fileext == "" || $fileext == "html" || $fileext == "xhtml" || $fileext == "xml") {
$headers["Accept"] = "text/html, application/xhtml+xml, */*";
} else {
$headers["Accept"] = "*/*";
}
}
}
}
$headers["Accept-Language"] = "en-US";
$headers["User-Agent"] = HTTP::GetUserAgent(substr($profile, 0, 2) == "ie" ? $profile : $this->data["useragent"]);
} else {
if ($profile == "firefox" || $profile == "auto" && $this->data["useragent"] == "firefox") {
if ($fileext == "css") {
$headers["Accept"] = "text/css,*/*;q=0.1";
} else {
if ($fileext == "png" || $fileext == "jpg" || $fileext == "jpeg" || $fileext == "gif" || $fileext == "svg") {
$headers["Accept"] = "image/png,image/*;q=0.8,*/*;q=0.5";
} else {
if ($fileext == "js") {
$headers["Accept"] = "*/*";
} else {
$headers["Accept"] = "text/html, application/xhtml+xml, */*";
}
}
}
$headers["Accept-Language"] = "en-us,en;q=0.5";
$headers["Cache-Control"] = "max-age=0";
$headers["User-Agent"] = HTTP::GetUserAgent("firefox");
} else {
if ($profile == "opera" || $profile == "auto" && $this->data["useragent"] == "opera") {
// Opera has the right idea: Just send the same thing regardless of the request type.
$headers["Accept"] = "text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/webp, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1";
$headers["Accept-Language"] = "en-US,en;q=0.9";
$headers["Cache-Control"] = "no-cache";
$headers["User-Agent"] = HTTP::GetUserAgent("opera");
} else {
if ($profile == "safari" || $profile == "chrome" || $profile == "auto" && ($this->data["useragent"] == "safari" || $this->data["useragent"] == "chrome")) {
if ($fileext == "css") {
$headers["Accept"] = "text/css,*/*;q=0.1";
} else {
if ($fileext == "png" || $fileext == "jpg" || $fileext == "jpeg" || $fileext == "gif" || $fileext == "svg" || $fileext == "js") {
$headers["Accept"] = "*/*";
} else {
$headers["Accept"] = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
}
}
$headers["Accept-Charset"] = "ISO-8859-1,utf-8;q=0.7,*;q=0.3";
$headers["Accept-Language"] = "en-US,en;q=0.8";
$headers["User-Agent"] = HTTP::GetUserAgent($profile == "safari" || $profile == "chrome" ? $profile : $this->data["useragent"]);
}
}
}
}
if ($this->data["referer"] != "") {
$headers["Referer"] = $this->data["referer"];
}
// Generate the final headers array.
$headers = array_merge($headers, $httpopts["headers"], $tempoptions["headers"]);
// Calculate the host and reverse host and remove port information.
$host = isset($headers["Host"]) ? $headers["Host"] : $urlinfo["host"];
$pos = strpos($host, "]");
if (substr($host, 0, 1) == "[" && $pos !== false) {
$host = substr($host, 0, $pos + 1);
} else {
$pos = strpos($host, ":");
if ($pos !== false) {
$host = substr($host, 0, $pos);
}
}
$dothost = $host;
if (substr($dothost, 0, 1) != ".") {
$dothost = "." . $dothost;
}
// Append cookies and delete old, invalid cookies.
$secure = $urlinfo["scheme"] == "https";
$cookiepath = $urlinfo["path"];
if ($cookiepath == "") {
$cookiepath = "/";
}
$pos = strrpos($cookiepath, "/");
if ($pos !== false) {
$cookiepath = substr($cookiepath, 0, $pos + 1);
}
$cookies = array();
foreach ($this->data["cookies"] as $domain => $paths) {
if (substr($domain, -strlen($dothost)) == $dothost) {
foreach ($paths as $path => $cookies2) {
if (substr($cookiepath, 0, strlen($path)) == $path) {
foreach ($cookies2 as $num => $info) {
if (isset($info["expires_ts"]) && $this->GetExpiresTimestamp($info["expires_ts"]) < time()) {
unset($this->data["cookies"][$domain][$path][$num]);
} else {
if ($secure || !isset($info["secure"])) {
$cookies[$info["name"]] = $info["value"];
}
}
}
if (!count($this->data["cookies"][$domain][$path])) {
unset($this->data["cookies"][$domain][$path]);
}
}
}
if (!count($this->data["cookies"][$domain])) {
unset($this->data["cookies"][$domain]);
}
}
}
$cookies2 = array();
foreach ($cookies as $name => $value) {
$cookies2[] = rawurlencode($name) . "=" . rawurlencode($value);
}
$headers["Cookie"] = implode("; ", $cookies2);
if ($headers["Cookie"] == "") {
unset($headers["Cookie"]);
}
// Generate the final options array.
$options = array_merge($httpopts, $tempoptions);
$options["headers"] = $headers;
if ($timeout !== false) {
$options["timeout"] = HTTP::GetTimeLeft($startts, $timeout);
}
// Process the request.
$result = HTTP::RetrieveWebpage($url, $options);
$result["url"] = $url;
$result["options"] = $options;
$result["firstreqts"] = $startts;
$result["numredirects"] = $numredirects;
$result["redirectts"] = $redirectts;
if (isset($result["rawsendsize"])) {
$totalrawsendsize += $result["rawsendsize"];
}
$result["totalrawsendsize"] = $totalrawsendsize;
unset($result["options"]["files"]);
unset($result["options"]["body"]);
if (!$result["success"]) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Unable to retrieve content. %s", $result["error"]), "info" => $result, "errorcode" => "retrievewebpage");
}
// Set up structures for another round.
if ($this->data["autoreferer"]) {
$this->data["referer"] = $url;
}
if (isset($result["headers"]["Location"]) && $this->data["followlocation"]) {
$redirectts = microtime(true);
unset($tempoptions["method"]);
unset($tempoptions["write_body_callback"]);
unset($tempoptions["body"]);
unset($tempoptions["postvars"]);
unset($tempoptions["files"]);
$tempoptions["headers"]["Referer"] = $url;
$url = $result["headers"]["Location"][0];
// Generate an absolute URL.
if ($this->data["referer"] != "") {
$url = HTTP::ConvertRelativeToAbsoluteURL($this->data["referer"], $url);
}
$urlinfo2 = HTTP::ExtractURL($url);
if (!isset($this->data["allowedredirprotocols"][$urlinfo2["scheme"]]) || !$this->data["allowedredirprotocols"][$urlinfo2["scheme"]]) {
return array("success" => false, "error" => HTTP::HTTPTranslate("Protocol '%s' is not allowed. Server attempted to redirect to '%s'.", $urlinfo2["scheme"], $url), "info" => $result, "errorcode" => "allowed_redir_protocols");
}
if ($urlinfo2["host"] != $urlinfo["host"]) {
unset($tempoptions["headers"]["Host"]);
unset($httpopts["headers"]["Host"]);
}
$urlinfo = $urlinfo2;
$numredirects++;
}
// Handle any 'Set-Cookie' headers.
if (isset($result["headers"]["Set-Cookie"])) {
foreach ($result["headers"]["Set-Cookie"] as $cookie) {
$items = explode("; ", $cookie);
$item = trim(array_shift($items));
if ($item != "") {
$cookie2 = array();
$pos = strpos($item, "=");
if ($pos === false) {
$cookie2["name"] = urldecode($item);
$cookie2["value"] = "";
} else {
$cookie2["name"] = urldecode(substr($item, 0, $pos));
$cookie2["value"] = urldecode(substr($item, $pos + 1));
}
$cookie = array();
foreach ($items as $item) {
$item = trim($item);
if ($item != "") {
$pos = strpos($item, "=");
if ($pos === false) {
$cookie[strtolower(trim(urldecode($item)))] = "";
} else {
$cookie[strtolower(trim(urldecode(substr($item, 0, $pos))))] = urldecode(substr($item, $pos + 1));
}
}
}
$cookie = array_merge($cookie, $cookie2);
if (isset($cookie["expires"])) {
$ts = HTTP::GetDateTimestamp($cookie["expires"]);
$cookie["expires_ts"] = gmdate("Y-m-d H:i:s", $ts === false ? time() - 24 * 60 * 60 : $ts);
} else {
if (isset($cookie["max-age"])) {
$cookie["expires_ts"] = gmdate("Y-m-d H:i:s", time() + (int) $cookie["max-age"]);
} else {
unset($cookie["expires_ts"]);
}
}
if (!isset($cookie["domain"])) {
$cookie["domain"] = $dothost;
}
if (substr($cookie["domain"], 0, 1) != ".") {
$cookie["domain"] = "." . $cookie["domain"];
}
if (!isset($cookie["path"])) {
$cookie["path"] = $cookiepath;
}
$cookie["path"] = str_replace("\\", "/", $cookie["path"]);
if (substr($cookie["path"], -1) != "/") {
$cookie["path"] = "/";
}
if (!isset($this->data["cookies"][$cookie["domain"]])) {
$this->data["cookies"][$cookie["domain"]] = array();
}
if (!isset($this->data["cookies"][$cookie["domain"]][$cookie["path"]])) {
$this->data["cookies"][$cookie["domain"]][$cookie["path"]] = array();
}
$this->data["cookies"][$cookie["domain"]][$cookie["path"]][] = $cookie;
}
}
}
if ($numfollow > 0) {
$numfollow--;
}
} while (isset($result["headers"]["Location"]) && $this->data["followlocation"] && $numfollow);
$result["numredirects"] = $numredirects;
$result["redirectts"] = $redirectts;
// Extract the forms from the page in a parsed format.
// Call WebBrowser::GenerateFormRequest() to prepare an actual request for Process().
if ($this->data["extractforms"]) {
$result["forms"] = $this->ExtractForms($result["url"], $result["body"]);
}
return $result;
}
