public function readFile($filePathOrData, $headerType = "plain", $localName = "", $data = false, $gzip = null, $realfileSystem = false, $byteOffset = -1, $byteLength = -1)
{
if ($gzip === null) {
$gzip = ConfService::getCoreConf("GZIP_COMPRESSION");
}
if (!$realfileSystem && $this->wrapperClassName == "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 = $this->filesystemFileSize($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: " . $size);
header('Cache-Control: public');
} else {
/*
if (preg_match('/ MSIE /',$_SERVER['HTTP_USER_AGENT']) || preg_match('/ WebKit /',$_SERVER['HTTP_USER_AGENT'])) {
$localName = str_replace("+", " ", urlencode(SystemTextEncoding::toUTF8($localName)));
}
*/
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') && $this->wrapperClassName == "fsAccessWrapper") {
$fInfo = new fInfo(FILEINFO_MIME);
$realfile = call_user_func(array($this->wrapperClassName, "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');
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->getId()) && $this->wrapperClassName == "fsAccessWrapper") {
if (!$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()) && $this->wrapperClassName == "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 ($byteOffset != -1) {
fseek($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($fp);
} else {
call_user_func(array($this->wrapperClassName, "copyFileInStream"), $filePathOrData, $stream);
}
fflush($stream);
fclose($stream);
}
}
function readFile($filePathOrData, $headerType = "plain", $localName = "", $data = false, $gzip = null, $realfileSystem = false, $byteOffset = -1, $byteLength = -1)
{
if ($gzip === null) {
$gzip = ConfService::getCoreConf("GZIP_COMPRESSION");
}
if (!$realfileSystem && $this->wrapperClassName == "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 = $this->filesystemFileSize($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: " . $size);
header('Cache-Control: public');
} else {
/*
if(preg_match('/ MSIE /',$_SERVER['HTTP_USER_AGENT']) || preg_match('/ WebKit /',$_SERVER['HTTP_USER_AGENT'])){
$localName = str_replace("+", " ", urlencode(SystemTextEncoding::toUTF8($localName)));
}
*/
if ($isFile) {
header("Accept-Ranges: 0-{$size}");
AJXP_Logger::debug("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') && $this->wrapperClassName == "fsAccessWrapper") {
$fInfo = new fInfo(FILEINFO_MIME);
$realfile = call_user_func(array($this->wrapperClassName, "getRealFSReference"), $filePathOrData);
$mimeType = $fInfo->file($realfile);
$splitChar = explode(";", $mimeType);
$mimeType = trim($splitChar[0]);
AJXP_Logger::debug("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;
}
AJXP_Logger::debug('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');
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 < $length && connection_status() == 0) {
AJXP_Logger::debug("dl reading {$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, $gzip);
/*
header("Content-Type: application/force-download; name=\"".$localName."\"");
header("Content-Transfer-Encoding: binary");
if($gzip){
header("Content-Encoding: gzip");
// If gzip, recompute data size!
$gzippedData = ($data?gzencode($filePathOrData,9):gzencode(file_get_contents($filePathOrData), 9));
$size = strlen($gzippedData);
}
header("Content-Length: ".$size);
if ($isFile && ($size != 0)) header("Content-Range: bytes 0-" . ($size - 1) . "/" . $size . ";");
header("Content-Disposition: attachment; filename=\"".$localName."\"");
header("Expires: 0");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
if (preg_match('/ MSIE /',$_SERVER['HTTP_USER_AGENT'])){
header("Cache-Control: max_age=0");
header("Pragma: public");
}
// IE8 is dumb
if (preg_match('/ MSIE /',$_SERVER['HTTP_USER_AGENT']))
{
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private",false);
// header("Content-Type: application/octet-stream");
}
// For SSL websites there is a bug with IE see article KB 323308
// therefore we must reset the Cache-Control and Pragma Header
if (ConfService::getConf("USE_HTTPS")==1 && preg_match('/ MSIE /',$_SERVER['HTTP_USER_AGENT']))
{
header("Cache-Control:");
header("Pragma:");
}
*/
if ($gzip) {
print $gzippedData;
return;
}
}
}
}
if ($data) {
print $filePathOrData;
} else {
if ($this->pluginConf["USE_XSENDFILE"] && $this->wrapperClassName == "fsAccessWrapper") {
if (!$realfileSystem) {
$filePathOrData = fsAccessWrapper::getRealFSReference($filePathOrData);
}
$filePathOrData = str_replace("\\", "/", $filePathOrData);
header("X-Sendfile: " . SystemTextEncoding::toUTF8($filePathOrData));
header("Content-type: application/octet-stream");
header('Content-Disposition: attachment; filename="' . basename($filePathOrData) . '"');
return;
}
$stream = fopen("php://output", "a");
if ($realfileSystem) {
AJXP_Logger::debug("realFS!", array("file" => $filePathOrData));
$fp = fopen($filePathOrData, "rb");
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($fp);
} else {
call_user_func(array($this->wrapperClassName, "copyFileInStream"), $filePathOrData, $stream);
}
fflush($stream);
fclose($stream);
}
}