/**
* beforeRender callback function
*
* @param Controller $controller
* @return array contents for panel
*/
public function beforeRender(Controller $controller)
{
$data = array();
$dir = new Folder(LOGS);
$files = $dir->find();
foreach ($files as $log) {
$file = new File(LOGS . $log);
$name = $file->name();
$data[$name] = array();
if (!$file->readable()) {
$data[$name]['content'] = __('This log file is unreadable.');
continue;
}
$data[$name]['lastChange'] = date('Y-m-d H:i:s', $file->lastChange());
if ($file->size() > $this->readBytes) {
$file->offset(-$this->readBytes, SEEK_END);
}
$data[$name]['content'] = $file->read($this->readBytes);
}
return $data;
}
/**
* Setup for display or download the given file
*
* @param string $path Path to file
* @param array $options Options
* ### Options keys
* - name: Alternate download name
* - download: If `true` sets download header and forces file to be downloaded rather than displayed in browser
* @return void
* @throws NotFoundException
*/
public function file($path, $options = array())
{
$options += array('name' => null, 'download' => null);
if (!is_file($path)) {
$path = APP . $path;
}
$file = new File($path);
if (!$file->exists() || !$file->readable()) {
if (Configure::read('debug')) {
throw new NotFoundException(__d('cake_dev', 'The requested file %s was not found or not readable', $path));
}
throw new NotFoundException(__d('cake', 'The requested file was not found'));
}
$extension = strtolower($file->ext());
$download = $options['download'];
if ((!$extension || $this->type($extension) === false) && is_null($download)) {
$download = true;
}
$fileSize = $file->size();
if ($download) {
$agent = env('HTTP_USER_AGENT');
if (preg_match('%Opera(/| )([0-9].[0-9]{1,2})%', $agent)) {
$contentType = 'application/octetstream';
} elseif (preg_match('/MSIE ([0-9].[0-9]{1,2})/', $agent)) {
$contentType = 'application/force-download';
}
if (!empty($contentType)) {
$this->type($contentType);
}
if (is_null($options['name'])) {
$name = $file->name;
} else {
$name = $options['name'];
}
$this->download($name);
$this->header('Accept-Ranges', 'bytes');
$httpRange = env('HTTP_RANGE');
if (isset($httpRange)) {
list(, $range) = explode('=', $httpRange);
$size = $fileSize - 1;
$length = $fileSize - $range;
$this->header(array('Content-Length' => $length, 'Content-Range' => 'bytes ' . $range . $size . '/' . $fileSize));
$this->statusCode(206);
$file->open('rb', true);
$file->offset($range);
} else {
$this->header('Content-Length', $fileSize);
}
} else {
$this->header('Content-Length', $fileSize);
}
$this->_clearBuffer();
$this->_file = $file;
}
/**
* Creates a file with contents from base64 encoded string.
*
* TestData::getFile('image-png.png');
* TestData::getFile(array('image-png.png' => TMP . 'other-name.png'));
* TestData::getFile(array('image-png.png' => 'other-name.png'));
* TestData::getFile('file.txt', 'I am the content');
*
* @param mixed $key
* @param string $string
* @return string Absolute path to the created file
*/
public function getFile($key = null, $string = '')
{
if (is_array($key)) {
$file = current($key);
$key = key($key);
if (!Folder::isAbsolute($file)) {
$file = $this->settings['base'] . $file;
}
$alias = $file;
} else {
$alias = $key;
$file = $this->settings['base'] . $key;
}
if ($string === '') {
$string = $this->getString($key);
}
$File = new File($file);
if ($File->exists()) {
$File->delete();
}
$File->write($string);
$File->offset(0);
$File->close();
$this->Files[$alias] =& $File;
return $File->pwd();
}
/**
* Will load a file from various sources
*
* Supported formats:
* - Freedesktop Shared MIME-info Database
* - Apache Module mod_mime_magic
* - PHP file containing variables formatted like: $data[0] = array(item, item, item, ...)
*
* @param mixed $file An absolute path to a magic file in apache, freedesktop
* or a filename (without .php) of a file in the configs/ dir in CakePHP format
* @return mixed A format string or null if format could not be determined
* @access private
* @link http://httpd.apache.org/docs/2.2/en/mod/mod_mime_magic.html
* @link http://standards.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-0.13.html
*/
function __read($db)
{
$format = MimeMagic::format($db);
if ($format === 'Array') {
foreach ($db as $item) {
$this->register($item);
}
} elseif ($format === 'PHP') {
include $db;
foreach ($data as $item) {
$this->register($item);
}
} elseif ($format === 'Freedesktop Shared MIME-info Database') {
$sectionRegex = '^\\[(\\d{1,3}):([-\\w.\\+]+\\/[-\\w.\\+]+)\\]$';
$itemRegex = '^(\\d*)\\>+(\\d+)=+([^&~\\+]{2})([^&~\\+]+)&?([^~\\+]*)~?(\\d*)\\+?(\\d*).*$';
$File = new File($db);
$File->open('rb');
$File->offset(12);
while (!feof($File->handle)) {
$line = '';
if (!isset($chars)) {
$chars = array(0 => $File->read(1), 1 => $File->read(1));
} else {
$chars = array(0 => $chars[1], 1 => null);
}
while (!feof($File->handle) && !($chars[0] === "\n" && (ctype_digit($chars[1]) || $chars[1] === '>' || $chars[1] === '['))) {
$line .= $chars[0];
$chars = array(0 => $chars[1], 1 => $File->read(1));
}
if (preg_match('/' . $sectionRegex . '/', $line, $matches)) {
$section = array('priority' => $matches[1], 'mime_type' => $matches[2]);
} elseif (preg_match('/' . $itemRegex . '/', $line, $matches)) {
$indent = empty($matches[1]) ? 0 : intval($matches[1]);
$wordSize = empty($matches[6]) ? 1 : intval($matches[6]);
$item = array('offset' => intval($matches[2]), 'value_length' => current(unpack('n', $matches[3])), 'value' => $this->__formatValue($matches[4], $wordSize), 'mask' => empty($matches[5]) ? null : $this->__formatValue($matches[5], $wordSize), 'range_length' => empty($matches[7]) ? 1 : intval($matches[7]), 'mime_type' => $section['mime_type']);
$this->register($item, $indent, $section['priority']);
}
}
} elseif ($format === 'Apache Module mod_mime_magic') {
$itemRegex = '^(\\>*)(\\d+)\\t+(\\S+)\\t+([\\S^\\040]+)\\t*([-\\w.\\+]+\\/[-\\w.\\+]+)*\\t*(\\S*)$';
$File = new File($db);
$File->open('rb');
while (!feof($File->handle)) {
$line = trim(fgets($File->handle));
if (empty($line) || $line[0] === '#') {
continue;
}
$line = preg_replace('/(?!\\B)\\040+/', "\t", $line);
if (!preg_match('/' . $itemRegex . '/', $line, $matches)) {
continue;
}
$item = array('offset' => intval($matches[2]), 'value' => $this->__formatValue($matches[4], $matches[3], true), 'mask' => null, 'range_length' => 0, 'mime_type' => empty($matches[5]) ? null : $matches[5], 'encoding' => empty($matches[6]) ? null : $matches[6]);
$item['value_length'] = strlen($item['value']);
$this->register($item, strlen($matches[1]), 80);
}
} else {
trigger_error('MimeGlob::read - Unknown db format', E_USER_WARNING);
}
}
/**
* Reads out a file, and echos the content to the client.
*
* @param File $file File object
* @param array $range The range to read out of the file.
* @return bool True is whole file is echoed successfully or false if client connection is lost in between
*/
protected function _sendFile($file, $range)
{
$compress = $this->outputCompressed();
$file->open('rb');
$end = $start = false;
if ($range) {
list($start, $end) = $range;
}
if ($start !== false) {
$file->offset($start);
}
$bufferSize = 8192;
set_time_limit(0);
session_write_close();
while (!feof($file->handle)) {
if (!$this->_isActive()) {
$file->close();
return false;
}
$offset = $file->offset();
if ($end && $offset >= $end) {
break;
}
if ($end && $offset + $bufferSize >= $end) {
$bufferSize = $end - $offset + 1;
}
echo fread($file->handle, $bufferSize);
if (!$compress) {
$this->_flushBuffer();
}
}
$file->close();
return true;
}
