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indexer.php
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<?php
/**
* <eyy-indexer> [https://github.com/sixem/eyy-indexer]
*
* @license https://github.com/sixem/eyy-indexer/blob/master/LICENSE GPL-3.0
* @author emy (sixem) <emy@five.sh>
* @version 1.1.9
*/
/**
* [Configuration]
* A more in-depth overview can be found here:
* https://github.com/sixem/eyy-indexer/blob/master/CONFIG.md
*/
/* Used to bust the cache and to display footer version number. */
$version = '1.1.9';
$config = array(
/* Authentication options. */
'authentication' => false,
/* Formatting options. */
'format' => array(
'title' => 'Index of %s', /* Title format where %s is the current path. */
'date' => array('d/m/y H:i', 'd/m/y'), /* Date formats (desktop, mobile). */
'sizes' => array(' B', ' kB', ' MB', ' GB', ' TB') /* Size formats. */
),
/* Favicon options. */
'icon' => array(
'path' => '/favicon.ico', /* What favicon to use. */
'mime' => 'image/x-icon' /* Favicon mime type. */
),
/* Sorting options. Used as default until the client sets their own sorting settings. */
'sorting' => array(
'enabled' => false, /* Whether the server should sort the items. */
'order' => SORT_ASC, /* Sorting order. asc or desc. */
'types' => 0, /* What item types to sort. 0 = both. 1 = files only. 2 = directories only. */
'sort_by' => 'name', /* What to sort by. available options are name, modified, type and size. */
'use_mbstring' => false /* Enabled mbstring when sorting. */
),
/* Gallery options. */
'gallery' => array(
'enabled' => true, /* Whether the gallery plugin should be enabled. */
'reverse_options' => false, /* Reverse search options for images (when hovering over them). */
'scroll_interval' => 50, /* Break in ms between scroll navigation events. */
'list_alignment' => 0, /* List alignment where 0 is right and 1 is left. */
'fit_content' => true, /* Whether the media should be forced to fill the screen space. */
'image_sharpen' => false, /* Attempts to disable browser blurriness on images. */
'blur' => true /* Enables gallery background blur (can affect performance negatively on larger directories). */
),
/* Preview options. */
'preview' => array(
'enabled' => true, /* Whether the preview plugin should be enabled. */
'hover_delay' => 75, /* Delay in milliseconds before the preview is shown. */
'cursor_indicator' => true /* Displays a loading cursor while the preview is loading. */
),
/* Extension that should be marked as media.
* These extensions will have potential previews and will be included in the gallery. */
'extensions' => array(
'image' => array('jpg', 'jpeg', 'png', 'gif', 'ico', 'svg', 'bmp', 'webp'),
'video' => array('webm', 'mp4', 'ogg', 'ogv')
),
/* Styling options. */
'style' => array(
/* Set to a path relative to the root directory (location of this file) containg .css files.
* Each .css file will be treated as a separate theme. Set to false to disable themes. */
'themes' => array(
'path' => false,
'default' => false
),
/* Enables a more compact styling of the page. */
'compact' => false
),
/* Filter what files or directories to show.
* Uses regular expressions. All names !matching! the regex will be shown.
* Setting the value to false will disable the respective filter. */
'filter' => array(
'file' => false,
'directory' => false
),
/* Calculates the size of directories.
* This can be intensive, especially with the recursive option, so be aware of that. */
'directory_sizes' => array(
/* Whether directory sizes should be calculated or not. */
'enabled' => false,
/* Recursively scans the directories when calculating the size. */
'recursive' => false
),
/* Processing functions. */
'processor' => false,
/* Should ? and # characters be encoded when processing URLs. */
'encode_all' => false,
/* Whether this .php file should be directly accessible. */
'allow_direct_access' => false,
/* Set to 'strict' or 'weak'.
* 'strict' uses realpath() to avoid backwards directory traversal whereas 'weak' uses a similar string-based approach. */
'path_checking' => 'strict',
/* Enabled the performance mode. */
'performance' => false,
/* Whether extra information in the footer should be generated (page load time, path etc.). */
'footer' => true,
/* Displays a simple link to the git repository in the footer along with the current version.
* I would really appreciate it if you keep this enabled. */
'credits' => true,
/* Enables console output in JS and PHP debugging. */
'debug' => true
);
/* Look for a config file in the current directory. */
$config_file = (basename(__FILE__, '.php') . '.config.php');
/* If found, it'll override the above configuration values.
* Any unset values in the file will take the default values. */
if(file_exists($config_file))
{
$config = include($config_file);
} else if(file_exists('.' . $config_file)) /* Also check for hidden (.) file. */
{
$config = include('.' . $config_file);
}
/* Default configuration values. Used if values from the above config are unset. */
$defaults = array('authentication' => false,'format' => array('title' => 'Index of %s','date' => array('m/d/y H:i:s', 'd/m/y'),'sizes' => array(' B', ' kB', ' MB', ' GB', ' TB')),'icon' => array('path' => '/favicon.png','mime' => 'image/png'),'sorting' => array('enabled' => false,'order' => SORT_ASC,'types' => 0,'sort_by' => 'name','use_mbstring' => false),'gallery' => array('enabled' => true,'reverse_options' => false,'scroll_interval' => 50,'list_alignment' => 0,'fit_content' => true,'image_sharpen' => false,'blur' => true),'preview' => array('enabled' => true,'hover_delay' => 75,'cursor_indicator' => true),'extensions' => array('image' => array('jpg', 'jpeg', 'png', 'gif', 'ico', 'svg', 'bmp', 'webp'),'video' => array('webm', 'mp4', 'ogg', 'ogv')),'style' => array('themes' => array('path' => false,'default' => false),'compact' => false),'filter' => array('file' => false,'directory' => false),'directory_sizes' => array('enabled' => false, 'recursive' => false),'processor' => false,'encode_all' => false,'allow_direct_access' => false,'path_checking' => 'strict','performance' => false,'footer' => true,'credits' => true,'debug' => false);
/* Authentication function. */
function authenticate($users, $realm)
{
function http_digest_parse($text)
{
/* Protect against missing data. */
$needed_parts = array(
'nonce' => 1,
'nc' => 1,
'cnonce' => 1,
'qop' => 1,
'username' => 1,
'uri' => 1,
'response' => 1
);
$data = array();
$keys = implode('|', array_keys($needed_parts));
preg_match_all('@(' . $keys . ')=(?:([\'"])([^\2]+?)\2|([^\s,]+))@', $text, $matches, PREG_SET_ORDER);
foreach($matches as $m)
{
$data[$m[1]] = $m[3] ? $m[3] : $m[4];
unset($needed_parts[$m[1]]);
}
return $needed_parts ? false : $data;
}
/* Create header for when unathorized. */
function createHeader($realm)
{
header($_SERVER['SERVER_PROTOCOL'] . '401 Unauthorized');
header('WWW-Authenticate: Digest realm="' . $realm . '",qop="auth",nonce="' . uniqid() . '",opaque="' . md5($realm) . '"');
}
/* Deny access if no digest is set. */
if(empty($_SERVER['PHP_AUTH_DIGEST']))
{
createHeader($realm);
die('401 Unauthorized');
}
/* Get digest data. */
$data = http_digest_parse($_SERVER['PHP_AUTH_DIGEST']);
/* Deny access if data is invalid or username is unset. */
if(!$data || !isset($users[$data['username']]))
{
createHeader($realm);
die('Invalid credentials.');
}
$a1 = md5($data['username'] . ':' . $realm . ':' . $users[$data['username']]);
$a2 = md5($_SERVER['REQUEST_METHOD'] . ':' . $data['uri']);
$valid_response = md5($a1 . ':' . $data['nonce'] . ':' . $data['nc'] . ':' . $data['cnonce'] . ':' . $data['qop'] . ':' . $a2);
/* Deny access if data can't be verified. */
if($data['response'] != $valid_response)
{
createHeader($realm);
die('Invalid credentials.');
}
}
/* Call authentication function if authentication is enabled. */
if(isset($config['authentication']) &&
$config['authentication'] &&
is_array($config['authentication']) &&
count($config['authentication']) > 0)
{
authenticate($config['authentication'], 'Restricted content.');
}
/* Set default configuration values if the config is missing any keys.
* This does not go too deep at all. */
foreach($defaults as $key => $value)
{
if(!isset($config[$key]))
{
$config[$key] = $defaults[$key];
} else if(is_array($config[$key]))
{
foreach($defaults[$key] as $k => $v)
{
if(!isset($config[$key][$k]))
{
$config[$key][$k] = $defaults[$key][$k];
}
}
}
}
/* Set start time for page render calculations. */
if($config['footer'] === true)
{
$render = microtime(true);
}
/* Enable debugging if enabled. */
if($config['debug'] === true)
{
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
}
if($config['style']['themes']['path'])
{
if($config['style']['themes']['path'][0] !== '/')
{
$config['style']['themes']['path'] = ('/' . $config['style']['themes']['path']);
}
if(substr($config['style']['themes']['path'], -1) !== '/')
{
$config['style']['themes']['path'] = ($config['style']['themes']['path'] . '/');
}
}
if(!is_array($config['format']['date']))
{
if(is_string($config['format']['date']))
{
$config['format']['date'] = array($config['format']['date']);
} else {
$config['format']['date'] = array('d/m/y H:i', 'd/m/y');
}
}
class Indexer
{
public $path;
private $relative, $requested, $types, $allow_direct;
function __construct($path, $options = array())
{
/* Get requested path. */
$requested = rawurldecode(strpos($path, '?') !== false ? explode('?', $path)[0] : $path);
/* Set relative path. */
if(isset($options['path']['relative']) && $options['path']['relative'] !== NULL)
{
$this->relative = $options['path']['relative'];
} else {
$this->relative = dirname(__FILE__);
}
/* Declare array for optional processing of data. */
$this->processor = array(
'item' => NULL
);
/* Check for passed processing functions. */
if(isset($options['processor']) && is_array($options['processor']))
{
if(isset($options['processor']['item']))
{
$this->processor['item'] = $options['processor']['item'];
}
}
/* Set remaining options/variables. */
$this->client = isset($options['client']) ? $options['client'] : NULL;
$this->allow_direct = isset($options['allow_direct_access']) ? $options['allow_direct_access'] : true;
$this->path = rtrim(self::joinPaths($this->relative, $requested), '/');
$this->timestamp = time();
$this->directory_sizes = $options['directory_sizes'];
/* Is requested path a directory? */
if(is_dir($this->path))
{
/* Check if the directory is above the base directory (or same level). */
if(self::isAboveCurrent($this->path, $this->relative))
{
$this->requested = $requested;
} else {
/* Directory is below the base directory. */
if($options['path_checking'] === 'strict' || $options['path_checking'] !== 'weak')
{
throw new Exception("requested path (is_dir) is below the public working directory. (mode: {$options['path_checking']})", 1);
} else if($options['path_checking'] === 'weak')
{
/* If path checking is 'weak' do another test using a 'realpath' alternative instead (string-based approach which doesn't solve links). */
if(self::isAboveCurrent($this->path, $this->relative, false) || is_link($this->path))
{
$this->requested = $requested;
} else {
/* Even the 'weak' check failed, throw an exception. */
throw new Exception("requested path (is_dir) is below the public working directory. (mode: {$options['path_checking']})", 2);
}
}
}
} else {
/* Is requested path a file (this can only be the indexer as we don't have control over any other files)? */
if(is_file($this->path))
{
/* If direct access is disabled, deny access. */
if($this->allow_direct === false)
{
http_response_code(403); die('Forbidden');
} else {
/* If direct access is allowed, show current directory of script (if it is above base directory). */
$this->path = dirname($this->path);
if(self::isAboveCurrent($this->path, $this->relative))
{
$this->requested = dirname($requested);
} else {
throw new Exception('requested path (is_file) is below the public working directory.', 3);
}
}
} else {
/* If requested path is neither a file nor a directory. */
throw new Exception('invalid path. path does not exist.', 4);
}
}
/* Set extension variables. */
if(isset($options['extensions']))
{
$this->types = array();
foreach($options['extensions'] as $type => $value)
{
foreach($options['extensions'][$type] as $extension) $this->types[strtolower($extension)] = $type;
}
} else {
$this->types = array(
'jpg' => 'image',
'jpeg' => 'image',
'gif' => 'image',
'png' => 'image',
'ico' => 'image',
'svg' => 'image',
'bmp' => 'image',
'webp' => 'image',
'webm' => 'video',
'mp4' => 'video',
'ogg' => 'video',
'ogv' => 'video'
);
}
/* Set filter variables. */
if(isset($options['filter']) && is_array($options['filter']))
{
$this->filter = $options['filter'];
} else {
$this->filter = array(
'file' => false,
'directory' => false
);
}
/* Set size format variables. */
if(isset($options['format']['sizes']) && $options['format']['sizes'] !== NULL)
{
$this->format['sizes'] = $options['format']['sizes'];
} else {
$this->format['sizes'] = array(' B', ' kB', ' MB', ' GB', ' TB', ' PB', ' EB', ' ZB', ' YB');
}
$this->format['date'] = $options['format']['date'];
}
/* Gets file/directory information and constructs the HTML of the table. */
public function buildTable($sorting = false, $sort_items = 0, $sort_type = 'modified', $use_mb = false)
{
/* Get client timezone offset. */
$cookies = array(
'timezone_offset' => intval(is_array($this->client) ? (isset($this->client['timezone_offset']) ? $this->client['timezone_offset'] : 0) : 0)
);
$timezone = array(
'offset' => $cookies['timezone_offset'] > 0 ? -$cookies['timezone_offset'] * 60 : abs($cookies['timezone_offset']) * 60
);
/* Gets the filename of this .php file. Used to hide it from the folder. */
$script_name = basename(__FILE__);
/* Gets the current directory. */
$directory = self::getCurrentDirectory();
/* Gets the files from the current path using 'scandir'. */
$files = self::getFiles();
/* Is this the base directory (/)?*/
$is_base = ($directory === '/');
$op = sprintf(
'<tr class="parent"><td><a href="%s">[Parent Directory]</a></td><td><span>-</span></td><td><span>-</span></td><td><span>-</span></td></tr>',
dirname($directory)
);
$data = array(
'files' => array(),
'directories' => array(),
'recent' => array(
'file' => 0,
'directory' => 0
),
'size' => array(
'total' => 0,
'readable' => 'N/A'
)
);
/* Hide directories / files if they match the filter or if they are indexer components. */
foreach($files as $file)
{
if($file[0] === '.') continue;
$path = ($this->path . '/' . $file);
if(is_dir($path))
{
if($is_base && $file === 'indexer')
{
continue;
} else if($this->filter['directory'] !== false && !preg_match($this->filter['directory'], $file))
{
continue;
}
array_push($data['directories'], array($path, $file)); continue;
} else if(file_exists($path))
{
if($is_base && $file === $script_name)
{
continue;
} else if($this->filter['file'] !== false && !preg_match($this->filter['file'], $file))
{
continue;
}
array_push($data['files'], array($path, $file)); continue;
}
}
if($use_mb === true && !function_exists('mb_strtolower'))
{
http_response_code(500);
die(
'Error (mb_strtolower is not defined): In order to use mbstring, you\'ll need to ' .
'<a href="https://www.php.net/manual/en/mbstring.installation.php">install</a> ' .
'it first.'
);
}
foreach($data['directories'] as $index => $dir)
{
$item = &$data['directories'][$index];
/* We only need to set 'name' key if we're sorting by name. */
if($sort_type === 'name')
{
$item['name'] = $use_mb === true ? mb_strtolower($dir[1], 'UTF-8') : strtolower($dir[1]);
}
/* Set directory data values. */
$item['modified'] = self::getModified($dir[0], $timezone['offset']);
$item['type'] = 'directory';
$item['size'] = $this->directory_sizes['enabled'] ? ($this->directory_sizes['recursive'] ? self::getDirectorySizeRecursively($dir[0]) : self::getDirectorySize($dir[0])) : 0;
$item['url'] = rtrim(self::joinPaths($this->requested, $dir[1]), '/');
}
foreach($data['files'] as $index => $file)
{
$item = &$data['files'][$index];
/* We only need to set 'name' key if we're sorting by name. */
if($sort_type === 'name')
{
$item['name'] = $use_mb === true ? mb_strtolower($file[1], 'UTF-8') : strtolower($file[1]);
}
/* Set file data values. */
$item['type'] = self::getFileType($file[1]);
$item['size'] = self::getSize($file[0]);
$item['modified'] = self::getModified($file[0], $timezone['offset']);
$item['url'] = rtrim(self::joinPaths($this->requested, $file[1]), '/');
}
/* Pass data to processor if it is set. */
if($this->processor['item'])
{
$data = $this->processor['item']($data, $this);
}
/* Sort items server-side. */
if($sorting)
{
if($sort_items === 0 || $sort_items === 1)
{
array_multisort(
array_column($data['files'], $sort_type),
$sorting,
$data['files']
);
}
if($sort_items === 0 || $sort_items === 2)
{
array_multisort(
array_column($data['directories'], $sort_type),
$sorting,
$data['directories']
);
}
}
/* Iterate over the directories, get and store data. */
foreach($data['directories'] as $dir)
{
if($this->directory_sizes['enabled'])
{
$data['size']['total'] = ($data['size']['total'] + $dir['size']);
}
$op .= sprintf(
'<tr class="directory"><td data-raw="%s"><a href="%s">[%s]</a></td><td data-raw="%s"><span>%s</span></td>',
$dir[1], $dir['url'], $dir[1], $dir['modified'][0], $dir['modified'][1]
);
if($data['recent']['directory'] === 0 || $dir['modified'][0] > $data['recent']['directory'])
{
$data['recent']['directory'] = $dir['modified'][0];
}
$op .= sprintf(
'<td%s>%s</td>',
$this->directory_sizes['enabled'] ? ' data-raw="' . $dir['size'] . '"' : '',
$this->directory_sizes['enabled'] ? self::readableFilesize($dir['size']) : '-'
);
$op .= '<td><span>-</span></td></tr>';
}
/* Iterate over the files, get and store data. */
foreach($data['files'] as $file)
{
$data['size']['total'] = ($data['size']['total'] + $file['size'][0]);
if($data['recent']['file'] === 0 || $file['modified'][0] > $data['recent']['file'])
{
$data['recent']['file'] = $file['modified'][0];
}
$op .= sprintf(
'<tr class="file"><td data-raw="%s">',
$file[1]
);
$op .= sprintf(
'<a%shref="%s">%s</a></td>',
(($file['type'][0] === 'image' || $file['type'][0] === 'video' ? true : false) ? ' class="preview" ' : ' '), $file['url'], $file[1]
);
$op .= sprintf(
'<td data-raw="%d"><span>%s</span></td>',
$file['modified'][0], $file['modified'][1]
);
$op .= sprintf(
'<td data-raw="%d">%s</td>',
$file['size'][0] === -1 ? 0 : $file['size'][0], $file['size'][1]
);
$op .= sprintf(
'<td data-raw="%s" class="download"><a href="%s" download="" filename="%s">%s</a></td></tr>',
$file['type'][0], $file['url'], $file[1], ('<span data-view="mobile">[Save]</span><span data-view="desktop">[Download]</span>')
);
}
$data['size']['readable'] = self::readableFilesize($data['size']['total']);
$this->data = $data;
return $op;
}
/* Gets the current files from set path. */
private function getFiles()
{
return scandir($this->path, SCANDIR_SORT_NONE);
}
/* A 'realpath' alternative, doesn't resolve links, relies purely on strings instead.
* Used with 'weak' path checking. */
private function removeDotSegments($input)
{
$output = '';
while($input !== '')
{
if(($prefix = substr($input, 0, 3)) == '../' || ($prefix = substr($input, 0, 2)) == './')
{
$input = substr($input, strlen($prefix));
} else if(($prefix = substr($input, 0, 3)) == '/./' || ($prefix = $input) == '/.')
{
$input = '/' . substr($input, strlen($prefix));
} else if (($prefix = substr($input, 0, 4)) == '/../' || ($prefix = $input) == '/..')
{
$input = '/' . substr($input, strlen($prefix));
$output = substr($output, 0, strrpos($output, '/'));
} else if($input == '.' || $input == '..')
{
$input = '';
} else
{
$pos = strpos($input, '/');
if($pos === 0) $pos = strpos($input, '/', $pos+1);
if($pos === false) $pos = strlen($input);
$output .= substr($input, 0, $pos);
$input = (string) substr($input, $pos);
}
}
return $output;
}
/* Checks if $path is above $base. Reverse path traversal is bad? */
private function isAboveCurrent($path, $base, $use_realpath = true)
{
return self::startsWith($use_realpath ? realpath($path) : self::removeDotSegments($path), $use_realpath ? realpath($base) : self::removeDotSegments($base));
}
/* Some data is stored in $this->data, this retrieves that. */
public function getLastData()
{
return isset($this->data) ? $this->data : false;
}
/* Gets the current directory. */
public function getCurrentDirectory()
{
$requested = trim($this->requested);
if($requested === '/' || $requested === '\\' || empty($requested))
{
return '/';
} else {
return $requested[strlen($requested) - 1] === '/' ? rtrim($requested, '/') . '/' : rtrim($requested, '/');
}
}
/* Identifies file type by matching it against the extension arrays. */
private function getFileType($filename)
{
$extension = strtolower(ltrim(pathinfo($filename, PATHINFO_EXTENSION), '.'));
return array(isset($this->types[$extension]) ? $this->types[$extension] : 'other', $extension);
}
/* Converts the current path into clickable a[href] links. */
public function makePathClickable($path)
{
$paths = explode('/', ltrim($path, '/'));
$output = ('<a href="/">/</a>');
foreach($paths as $i => $p)
{
$i++;
$text = (($i !== 1 ? '/' : '') . $p);
if($text === '/')
{
continue;
}
$href = implode('/', array_slice($paths, 0, $i));
$output .= sprintf('<a href="/%s">%s</a>', $href, $text);
}
return $output;
}
/* Formats a unix timestamp. */
private function formatDate($format, $stamp, $modifier = 0)
{
return gmdate($format, $stamp + $modifier);
}
/* Gets the last modified date of a file. */
private function getModified($path, $modifier = 0)
{
$stamp = filemtime($path);
if(count($this->format['date']) > 1)
{
$format = sprintf('<\s\p\a\n \d\a\t\a-\v\i\e\w="\d\e\s\k\t\o\p">%s\<\/\s\p\a\n\>'.
'<\s\p\a\n \d\a\t\a-\v\i\e\w="\m\o\b\i\l\e">%s\<\/\s\p\a\n\>',
$this->format['date'][0], $this->format['date'][1]);
} else {
$format = $this->format['date'][0];
}
return array(
$stamp,
self::formatDate($format, $stamp, $modifier)
);
}
/* Gets a client cookie key (if it exists). */
private function getCookie($key, $default = NULL)
{
return isset($_COOKIE[$key]) ? $_COOKIE[$key] : $default;
}
/* Gets the size of a file. */
private function getSize($path)
{
$fs = filesize($path);
$size = ($fs < 0 ? -1 : $fs);
return array($size, self::readableFilesize($size));
}
/* Gets the size of a directory. */
private function getDirectorySize($path)
{
$size = 0;
try
{
foreach(scandir($path, SCANDIR_SORT_NONE) as $file)
{
if($file[0] === '.')
{
continue;
} else {
$filesize = filesize(self::joinPaths($path, $file));
if($filesize && $filesize > 0)
{
$size += $filesize;
}
}
}
} catch (Exception $e)
{
$size += 0;
}
return $size;
}
/* Gets the full size of a director using. */
private function getDirectorySizeRecursively($path)
{
$size = 0;
$iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path));
try
{
foreach($iterator as $file)
{
if($file->isDir())
{
continue;
} else {
$size += filesize($file->getPathname());
}
}
} catch (Exception $e)
{
$size += 0;
}
return $size;
}
/* Converts bytes to a readable file size. */
private function readableFilesize($bytes, $decimals = 2)
{
/* If file size is -1, return '-'.
* This can happen to very large file size (PHP/Server limitations). */
if($bytes === -1) return '-';
$factor = floor((strlen($bytes) - 1) / 3);
$x = @$this->format['sizes'][$factor];
if($bytes > 104857600 || $factor == 0)
{
$decimals = 0;
}
if($x === $this->format['sizes'][1]) $decimals = 0;
return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . $x;
}
/* Checks if a string starts with a string. */
private function startsWith($haystack, $needle)
{
return $needle === '' || strrpos($haystack, $needle, - strlen($haystack)) !== false;
}
/* Concentrates path components into a merged path. */
public function joinPaths(...$params)
{
$paths = array();
foreach($params as $param)
{
if($param !== '') $paths[] = $param;
}
return preg_replace('#/+#','/', join('/', $paths));
}
}
/* Is cookie set? */
$client = isset($_COOKIE['ei-client']) ? $_COOKIE['ei-client'] : NULL;
/* If client cookie is set, parse it. */
if($client)
{
$client = json_decode($client, true);
}
/* Validate that the cookie is a valid array. */
$validate = is_array($client);
$cookies = array(
'sorting' => array(
'row' => $validate ? (isset($client['sort']['row']) ? $client['sort']['row'] : NULL) : NULL,
'ascending' => $validate ? (isset($client['sort']['ascending']) ? $client['sort']['ascending'] : NULL) : NULL
)
);
/* Override the config value if the cookie value is set */
if($validate && isset($client['style']['compact']) && $client['style']['compact'])
{
$config['style']['compact'] = $client['style']['compact'];
}
/* Set sorting settings. */
$sorting = array(
'enabled' => $config['sorting']['enabled'],
'order' => $config['sorting']['order'],
'types' => $config['sorting']['types'],
'sort_by' => strtolower($config['sorting']['sort_by'])
);
if($cookies['sorting']['row'] !== NULL)
{
switch(intval($cookies['sorting']['row']))
{
case 0: $sorting['sort_by'] = 'name'; break;
case 1: $sorting['sort_by'] = 'modified'; break;
case 2: $sorting['sort_by'] = 'size'; break;
case 3: $sorting['sort_by'] = 'type'; break;
}
}
if($cookies['sorting']['ascending'] !== NULL)
{
$sorting['order'] = (boolval($cookies['sorting']['ascending']) === true ? SORT_ASC : SORT_DESC);
}
if($cookies['sorting']['ascending'] !== NULL || $cookies['sorting']['row'] !== NULL)
{
$sorting['enabled'] = true;
}
/* Is 'INDEXER_BASE_PATH' set? Change base path.*/
if(isset($_SERVER['INDEXER_BASE_PATH']))
{
$base_path = $_SERVER['INDEXER_BASE_PATH'];
} else {
$base_path = dirname(__FILE__);
}
try
{
/* Call class with options set. */
$indexer = new Indexer(
rawurldecode($_SERVER['REQUEST_URI']),
array(
'path' => array(
'relative' => $base_path
),
'format' => array(
'date' => isset($config['format']['date']) ? $config['format']['date'] : NULL,
'sizes' => isset($config['format']['sizes']) ? $config['format']['sizes'] : NULL
),
'directory_sizes' => $config['directory_sizes'],
'client' => $client,
'filter' => $config['filter'],
'extensions' => $config['extensions'],
'path_checking' => strtolower($config['path_checking']),
'processor' => $config['processor'],
'allow_direct_access' => $config['allow_direct_access']
)
);
} catch (Exception $e) {
http_response_code(500);
echo "<h3>Error:</h3><p>{$e} ({$e->getCode()})</p>";
if($e->getCode() === 1 || $e->getCode() === 2)
{
echo '<p>This error occurs when the requested directory is below the directory of the PHP file.'.
($e->getCode() === 1 ? '<br/>You can try setting <b>path_checking</b> to <b>weak</b> if you are working with symbolic links etc.' : '') . '</p>';
}
exit('<p>Fatal error - Exiting.</p>');
}
/* Call 'buildTable', get content. */
$contents = $indexer->buildTable(
$sorting['enabled'] ? $sorting['order'] : false,
$sorting['enabled'] ? $sorting['types'] : 0,
$sorting['enabled'] ? strtolower($sorting['sort_by']) : 'modified',
$sorting['enabled'] ? $config['sorting']['use_mbstring'] : false
);
$data = $indexer->getLastData();
$itemsTotal = (count($data['files']) + count($data['directories']));
/* Check if performance mode depends on item count. */
if(is_int($config['performance']))
{
$itemsTotal = (count($data['files']) + count($data['directories']));
if($itemsTotal >= $config['performance'])
{
$config['performance'] = true;
} else {
$config['performance'] = false;
}
}
/* Set some data like file count etc. */
$counts = array(
'files' => count($data['files']),
'directories' => count($data['directories'])
);
$themes = array();
/* Are themes enabled? */
if($config['style']['themes']['path'])
{
/* Trim the string of set directory path. */
$directory = rtrim($indexer->joinPaths($base_path, $config['style']['themes']['path']), '/');
/* If set theme path is valid directory, scan it for .css files and add them to the theme pool. */
if(is_dir($directory))
{
foreach(preg_grep('~\.css$~', scandir($directory, SCANDIR_SORT_NONE)) as $theme)
{
if($theme[0] !== '.') array_push($themes, substr($theme, 0, strrpos($theme, '.')));
}
}
/* Prepend default theme to the beginning of the array. */
if(count($themes) > 0) array_unshift($themes, 'default');
}
$current_theme = NULL;
if(count($themes) > 0)
{
/* Check if a theme is already set. */
if(is_array($client) && isset($client['style']['theme']))