public function switchAction($action, $httpVars, $filesVars)
{
$repository = ConfService::getRepository();
if (!$repository->detectStreamWrapper(true)) {
return false;
}
if (!isset($this->pluginConf)) {
$this->pluginConf = array("GENERATE_THUMBNAIL" => false);
}
$selection = new UserSelection($repository, $httpVars);
$destStreamURL = $selection->currentBaseUrl();
if ($action == "preview_data_proxy") {
$file = $selection->getUniqueFile();
if (!file_exists($destStreamURL . $file) || !is_readable($destStreamURL . $file)) {
header("Content-Type: " . AJXP_Utils::getImageMimeType(basename($file)) . "; name=\"" . basename($file) . "\"");
header("Content-Length: 0");
return;
}
$this->logInfo('Preview', 'Preview content of ' . $file, array("files" => $selection->getUniqueFile()));
if (isset($httpVars["get_thumb"]) && $httpVars["get_thumb"] == "true" && $this->getFilteredOption("GENERATE_THUMBNAIL", $repository->getId())) {
$dimension = 200;
if (isset($httpVars["dimension"]) && is_numeric($httpVars["dimension"])) {
$dimension = $httpVars["dimension"];
}
$this->currentDimension = $dimension;
$cacheItem = AJXP_Cache::getItem("diaporama_" . $dimension, $destStreamURL . $file, array($this, "generateThumbnail"));
$data = $cacheItem->getData();
$cId = $cacheItem->getId();
header("Content-Type: " . AJXP_Utils::getImageMimeType(basename($cId)) . "; name=\"" . basename($cId) . "\"");
header("Content-Length: " . strlen($data));
header('Cache-Control: public');
header("Pragma:");
header("Last-Modified: " . gmdate("D, d M Y H:i:s", time() - 10000) . " GMT");
header("Expires: " . gmdate("D, d M Y H:i:s", time() + 5 * 24 * 3600) . " GMT");
print $data;
} else {
//$filesize = filesize($destStreamURL.$file);
$node = new AJXP_Node($destStreamURL . $file);
$fp = fopen($destStreamURL . $file, "r");
$stat = fstat($fp);
$filesize = $stat["size"];
header("Content-Type: " . AJXP_Utils::getImageMimeType(basename($file)) . "; name=\"" . basename($file) . "\"");
header("Content-Length: " . $filesize);
header('Cache-Control: public');
header("Pragma:");
header("Last-Modified: " . gmdate("D, d M Y H:i:s", time() - 10000) . " GMT");
header("Expires: " . gmdate("D, d M Y H:i:s", time() + 5 * 24 * 3600) . " GMT");
$stream = fopen("php://output", "a");
AJXP_MetaStreamWrapper::copyFileInStream($destStreamURL . $file, $stream);
fflush($stream);
fclose($stream);
AJXP_Controller::applyHook("node.read", array($node));
}
}
}
public function switchAction($action, $httpVars, $filesVars)
{
$repository = ConfService::getRepositoryById($httpVars["repository_id"]);
if (!$repository->detectStreamWrapper(true)) {
return false;
}
if (AuthService::usersEnabled()) {
$loggedUser = AuthService::getLoggedUser();
if ($loggedUser === null && ConfService::getCoreConf("ALLOW_GUEST_BROWSING", "auth")) {
AuthService::logUser("guest", null);
$loggedUser = AuthService::getLoggedUser();
}
if (!$loggedUser->canSwitchTo($repository->getId())) {
echo "You do not have permissions to access this resource";
return false;
}
}
$selection = new UserSelection($repository, $httpVars);
if ($action == "open_file") {
$selectedNode = $selection->getUniqueNode();
$selectedNodeUrl = $selectedNode->getUrl();
if (!file_exists($selectedNodeUrl) || !is_readable($selectedNodeUrl)) {
echo "File does not exist";
return false;
}
$filesize = filesize($selectedNodeUrl);
$fp = fopen($selectedNodeUrl, "rb");
$fileMime = "application/octet-stream";
//Get mimetype with fileinfo PECL extension
if (class_exists("finfo")) {
$finfo = new finfo(FILEINFO_MIME);
$fileMime = $finfo->buffer(fread($fp, 2000));
}
//Get mimetype with (deprecated) mime_content_type
if (strpos($fileMime, "application/octet-stream") === 0 && function_exists("mime_content_type")) {
$fileMime = @mime_content_type($fp);
}
//Guess mimetype based on file extension
if (strpos($fileMime, "application/octet-stream") === 0) {
$fileExt = substr(strrchr(basename($selectedNodeUrl), '.'), 1);
if (empty($fileExt)) {
$fileMime = "application/octet-stream";
} else {
$regex = "/^([\\w\\+\\-\\.\\/]+)\\s+(\\w+\\s)*({$fileExt}\\s)/i";
$lines = file($this->getBaseDir() . "/resources/other/mime.types");
foreach ($lines as $line) {
if (substr($line, 0, 1) == '#') {
continue;
}
// skip comments
$line = rtrim($line) . " ";
if (!preg_match($regex, $line, $matches)) {
continue;
}
// no match to the extension
$fileMime = $matches[1];
}
}
}
fclose($fp);
// If still no mimetype, give up and serve application/octet-stream
if (empty($fileMime)) {
$fileMime = "application/octet-stream";
}
//Send headers
HTMLWriter::generateInlineHeaders(basename($selectedNodeUrl), $filesize, $fileMime);
$stream = fopen("php://output", "a");
AJXP_MetaStreamWrapper::copyFileInStream($selectedNodeUrl, $stream);
fflush($stream);
fclose($stream);
AJXP_Controller::applyHook("node.read", array($selectedNode));
$this->logInfo('Download', 'Read content of ' . $selectedNodeUrl, array("files" => $selectedNodeUrl));
}
}
/**
* Read a file (by chunks) and copy the data directly inside the given stream.
*
* @param string $path
* @param resource $stream
*/
public static function copyFileInStream($path, $stream)
{
$url = self::translateURL($path);
AJXP_MetaStreamWrapper::copyFileInStream($url, $stream);
/*
$wrapperClass = AJXP_MetaStreamWrapper::actualRepositoryWrapperClass(parse_url($url, PHP_URL_HOST));
call_user_func(array($wrapperClass, "copyFileInStream"), $url, $stream);
*/
if (self::$linkNode !== null) {
ConfService::loadDriverForRepository(self::$linkNode->getRepository());
}
}
public function readFile($filePathOrData, $headerType = "plain", $localName = "", $data = false, $gzip = null, $realfileSystem = false, $byteOffset = -1, $byteLength = -1)
{
if (!$data && !$gzip && !file_exists($filePathOrData)) {
throw new Exception("File {$filePathOrData} not found!");
}
if ($gzip === null) {
$gzip = ConfService::getCoreConf("GZIP_COMPRESSION");
}
if (!$realfileSystem && AJXP_MetaStreamWrapper::actualRepositoryWrapperClass($this->repository->getId()) == "fsAccessWrapper") {
$originalFilePath = $filePathOrData;
$filePathOrData = fsAccessWrapper::patchPathForBaseDir($filePathOrData);
}
session_write_close();
restore_error_handler();
restore_exception_handler();
set_exception_handler('download_exception_handler');
set_error_handler('download_exception_handler');
// required for IE, otherwise Content-disposition is ignored
if (ini_get('zlib.output_compression')) {
AJXP_Utils::safeIniSet('zlib.output_compression', 'Off');
}
$isFile = !$data && !$gzip;
if ($byteLength == -1) {
if ($data) {
$size = strlen($filePathOrData);
} else {
if ($realfileSystem) {
$size = sprintf("%u", filesize($filePathOrData));
} else {
$size = filesize($filePathOrData);
}
}
} else {
$size = $byteLength;
}
if ($gzip && ($size > ConfService::getCoreConf("GZIP_LIMIT") || !function_exists("gzencode") || @strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') === FALSE)) {
$gzip = false;
// disable gzip
}
$localName = $localName == "" ? basename(isset($originalFilePath) ? $originalFilePath : $filePathOrData) : $localName;
if ($headerType == "plain") {
header("Content-type:text/plain");
} else {
if ($headerType == "image") {
header("Content-Type: " . AJXP_Utils::getImageMimeType(basename($filePathOrData)) . "; name=\"" . $localName . "\"");
header("Content-Length: " . $size);
header('Cache-Control: public');
} else {
if ($isFile) {
header("Accept-Ranges: 0-{$size}");
$this->logDebug("Sending accept range 0-{$size}");
}
// Check if we have a range header (we are resuming a transfer)
if (isset($_SERVER['HTTP_RANGE']) && $isFile && $size != 0) {
if ($headerType == "stream_content") {
if (extension_loaded('fileinfo') && AJXP_MetaStreamWrapper::actualRepositoryWrapperClass($this->repository->getId()) == "fsAccessWrapper") {
$fInfo = new fInfo(FILEINFO_MIME);
$realfile = AJXP_MetaStreamWrapper::getRealFSReference($filePathOrData);
$mimeType = $fInfo->file($realfile);
$splitChar = explode(";", $mimeType);
$mimeType = trim($splitChar[0]);
$this->logDebug("Detected mime {$mimeType} for {$realfile}");
} else {
$mimeType = AJXP_Utils::getStreamingMimeType(basename($filePathOrData));
}
header('Content-type: ' . $mimeType);
}
// multiple ranges, which can become pretty complex, so ignore it for now
$ranges = explode('=', $_SERVER['HTTP_RANGE']);
$offsets = explode('-', $ranges[1]);
$offset = floatval($offsets[0]);
$length = floatval($offsets[1]) - $offset;
if (!$length) {
$length = $size - $offset;
}
if ($length + $offset > $size || $length < 0) {
$length = $size - $offset;
}
$this->logDebug('Content-Range: bytes ' . $offset . '-' . $length . '/' . $size);
header('HTTP/1.1 206 Partial Content');
header('Content-Range: bytes ' . $offset . '-' . ($offset + $length) . '/' . $size);
header("Content-Length: " . $length);
$file = fopen($filePathOrData, 'rb');
if (!is_resource($file)) {
throw new Exception("Failed opening file " . $filePathOrData);
}
fseek($file, 0);
$relOffset = $offset;
while ($relOffset > 2000000000.0) {
// seek to the requested offset, this is 0 if it's not a partial content request
fseek($file, 2000000000, SEEK_CUR);
$relOffset -= 2000000000;
// This works because we never overcome the PHP 32 bit limit
}
fseek($file, $relOffset, SEEK_CUR);
while (ob_get_level()) {
ob_end_flush();
}
$readSize = 0.0;
$bufferSize = 1024 * 8;
while (!feof($file) && $readSize < $length && connection_status() == 0) {
$this->logDebug("dl reading {$readSize} to {$length}", $_SERVER["HTTP_RANGE"]);
echo fread($file, $bufferSize);
$readSize += $bufferSize;
flush();
}
fclose($file);
return;
} else {
if ($gzip) {
$gzippedData = $data ? gzencode($filePathOrData, 9) : gzencode(file_get_contents($filePathOrData), 9);
$size = strlen($gzippedData);
}
HTMLWriter::generateAttachmentsHeader($localName, $size, $isFile, $gzip);
if ($gzip) {
print $gzippedData;
return;
}
}
}
}
if ($data) {
print $filePathOrData;
} else {
if ($this->getFilteredOption("USE_XSENDFILE", $this->repository) && AJXP_MetaStreamWrapper::actualRepositoryWrapperClass($this->repository->getId()) == "fsAccessWrapper") {
if (!$realfileSystem) {
$filePathOrData = fsAccessWrapper::getRealFSReference($filePathOrData);
}
$filePathOrData = str_replace("\\", "/", $filePathOrData);
$server_name = $_SERVER["SERVER_SOFTWARE"];
$regex = '/^(lighttpd\\/1.4).([0-9]{2}$|[0-9]{3}$|[0-9]{4}$)+/';
if (preg_match($regex, $server_name)) {
$header_sendfile = "X-LIGHTTPD-send-file";
} else {
$header_sendfile = "X-Sendfile";
}
header($header_sendfile . ": " . SystemTextEncoding::toUTF8($filePathOrData));
header("Content-type: application/octet-stream");
header('Content-Disposition: attachment; filename="' . basename($filePathOrData) . '"');
return;
}
if ($this->getFilteredOption("USE_XACCELREDIRECT", $this->repository->getId()) && AJXP_MetaStreamWrapper::actualRepositoryWrapperClass($this->repository->getId()) == "fsAccessWrapper" && array_key_exists("X-Accel-Mapping", $_SERVER)) {
if (!$realfileSystem) {
$filePathOrData = fsAccessWrapper::getRealFSReference($filePathOrData);
}
$filePathOrData = str_replace("\\", "/", $filePathOrData);
$filePathOrData = SystemTextEncoding::toUTF8($filePathOrData);
$mapping = explode('=', $_SERVER['X-Accel-Mapping']);
$replacecount = 0;
$accelfile = str_replace($mapping[0], $mapping[1], $filePathOrData, $replacecount);
if ($replacecount == 1) {
header("X-Accel-Redirect: {$accelfile}");
header("Content-type: application/octet-stream");
header('Content-Disposition: attachment; filename="' . basename($accelfile) . '"');
return;
} else {
$this->logError("X-Accel-Redirect", "Problem with X-Accel-Mapping for file {$filePathOrData}");
}
}
$stream = fopen("php://output", "a");
if ($realfileSystem) {
$this->logDebug("realFS!", array("file" => $filePathOrData));
$fp = fopen($filePathOrData, "rb");
if (!is_resource($fp)) {
throw new Exception("Failed opening file " . $filePathOrData);
}
if ($byteOffset != -1) {
fseek($fp, $byteOffset);
}
$sentSize = 0;
$readChunk = 4096;
while (!feof($fp)) {
if ($byteLength != -1 && $sentSize + $readChunk >= $byteLength) {
// compute last chunk and break after
$readChunk = $byteLength - $sentSize;
$break = true;
}
$data = fread($fp, $readChunk);
$dataSize = strlen($data);
fwrite($stream, $data, $dataSize);
$sentSize += $dataSize;
if (isset($break)) {
break;
}
}
fclose($fp);
} else {
AJXP_MetaStreamWrapper::copyFileInStream($filePathOrData, $stream);
}
fflush($stream);
fclose($stream);
}
}
public function switchAction($action, $httpVars, $filesVars)
{
$repository = ConfService::getRepository();
if (!$repository->detectStreamWrapper(true)) {
return false;
}
$selection = new UserSelection($repository, $httpVars);
$node = $selection->getUniqueNode();
if ($action == "read_video_data") {
if (!file_exists($node->getUrl()) || !is_readable($node->getUrl())) {
throw new Exception("Cannot find file!");
}
$this->logDebug("Reading video");
session_write_close();
$filesize = filesize($node->getUrl());
$filename = $node->getUrl();
$basename = AJXP_Utils::safeBasename($filename);
//$fp = fopen($destStreamURL.$file, "r");
if (preg_match("/\\.ogv\$/", $basename)) {
header("Content-Type: video/ogg; name=\"" . $basename . "\"");
} else {
if (preg_match("/\\.mp4\$/", $basename)) {
header("Content-Type: video/mp4; name=\"" . $basename . "\"");
} else {
if (preg_match("/\\.m4v\$/", $basename)) {
header("Content-Type: video/x-m4v; name=\"" . $basename . "\"");
} else {
if (preg_match("/\\.webm\$/", $basename)) {
header("Content-Type: video/webm; name=\"" . $basename . "\"");
}
}
}
}
if (isset($_SERVER['HTTP_RANGE']) && $filesize != 0) {
$this->logDebug("Http range", array($_SERVER['HTTP_RANGE']));
// multiple ranges, which can become pretty complex, so ignore it for now
$ranges = explode('=', $_SERVER['HTTP_RANGE']);
$offsets = explode('-', $ranges[1]);
$offset = floatval($offsets[0]);
if ($offset == 0) {
$this->logInfo('Preview', 'Streaming content of ' . $filename, array("files" => $filename));
}
$length = floatval($offsets[1]) - $offset + 1;
if (!$length) {
$length = $filesize - $offset;
}
if ($length + $offset > $filesize || $length < 0) {
$length = $filesize - $offset;
}
header('HTTP/1.1 206 Partial Content');
header('Content-Range: bytes ' . $offset . '-' . ($offset + $length - 1) . '/' . $filesize);
header('Accept-Ranges:bytes');
header("Content-Length: " . $length);
$file = fopen($filename, 'rb');
if (!is_resource($file)) {
throw new Exception("Cannot open file {$file}!");
}
fseek($file, 0);
$relOffset = $offset;
while ($relOffset > 2000000000.0) {
// seek to the requested offset, this is 0 if it's not a partial content request
fseek($file, 2000000000, SEEK_CUR);
$relOffset -= 2000000000;
// This works because we never overcome the PHP 32 bit limit
}
fseek($file, $relOffset, SEEK_CUR);
while (ob_get_level()) {
ob_end_flush();
}
$readSize = 0.0;
while (!feof($file) && $readSize < $length && connection_status() == 0) {
if ($length < 2048) {
echo fread($file, $length);
} else {
echo fread($file, 2048);
}
$readSize += 2048.0;
flush();
}
fclose($file);
} else {
$this->logInfo('Preview', 'Streaming content of ' . $filename, array("files" => $filename));
header("Content-Length: " . $filesize);
header("Content-Range: bytes 0-" . ($filesize - 1) . "/" . $filesize . ";");
header('Cache-Control: public');
$stream = fopen("php://output", "a");
AJXP_MetaStreamWrapper::copyFileInStream($node->getUrl(), $stream);
fflush($stream);
fclose($stream);
}
AJXP_Controller::applyHook("node.read", array($node));
} else {
if ($action == "get_sess_id") {
HTMLWriter::charsetHeader("text/plain");
print session_id();
}
}
}
public function switchAction($action, $httpVars, $postProcessData)
{
$repository = ConfService::getRepository();
if (!$repository->detectStreamWrapper(false)) {
return false;
}
if ($action == "audio_proxy") {
$selection = new UserSelection($repository, $httpVars);
$destStreamURL = $selection->currentBaseUrl();
$node = new AJXP_Node($destStreamURL . "/" . $selection->getUniqueFile());
// Backward compat
// May be a backward compatibility problem, try to base64decode the filepath
if (!file_exists($node->getUrl()) && strpos($httpVars["file"], "base64encoded:") === false) {
$file = AJXP_Utils::decodeSecureMagic(base64_decode($httpVars["file"]));
if (!file_exists($destStreamURL . $file)) {
throw new Exception("Cannot find file!");
} else {
$node = new AJXP_Node($destStreamURL . $file);
}
}
if (!is_readable($node->getUrl())) {
throw new Exception("Cannot find file!");
}
$fileUrl = $node->getUrl();
$localName = basename($fileUrl);
$cType = "audio/" . array_pop(explode(".", $localName));
$size = filesize($node->getUrl());
header("Content-Type: " . $cType . "; name=\"" . $localName . "\"");
header("Content-Length: " . $size);
$stream = fopen("php://output", "a");
AJXP_MetaStreamWrapper::copyFileInStream($fileUrl, $stream);
fflush($stream);
fclose($stream);
AJXP_Controller::applyHook("node.read", array($node));
$this->logInfo('Preview', 'Read content of ' . $node->getUrl(), array("files" => $node->getUrl()));
//exit(1);
} else {
if ($action == "ls") {
if (!isset($httpVars["playlist"])) {
// This should not happen anyway, because of the applyCondition.
AJXP_Controller::passProcessDataThrough($postProcessData);
return false;
}
// We transform the XML into XSPF
$xmlString = $postProcessData["ob_output"];
$xmlDoc = new DOMDocument();
$xmlDoc->loadXML($xmlString);
$xElement = $xmlDoc->documentElement;
header("Content-Type:application/xspf+xml;charset=UTF-8");
print '<?xml version="1.0" encoding="UTF-8"?>';
print '<playlist version="1" xmlns="http://xspf.org/ns/0/">';
print "<trackList>";
foreach ($xElement->childNodes as $child) {
$isFile = $child->getAttribute("is_file") == "true";
$label = $child->getAttribute("text");
$ar = explode(".", $label);
$ext = strtolower(end($ar));
if (!$isFile || $ext != "mp3") {
continue;
}
print "<track><location>" . AJXP_SERVER_ACCESS . "?secure_token=" . AuthService::getSecureToken() . "&get_action=audio_proxy&file=" . base64_encode($child->getAttribute("filename")) . "</location><title>" . $label . "</title></track>";
}
print "</trackList>";
AJXP_XMLWriter::close("playlist");
}
}
}
