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authorFlorian Pritz <bluewind@xssn.at>2010-02-06 23:14:56 +0100
committerFlorian Pritz <bluewind@xssn.at>2010-02-06 23:31:27 +0100
commit9e9d77b4072de4f8c73e8bbade07a8f27734e4bd (patch)
treea5d709254968fed8f3acdb9eec68fde2faa14b94 /system/application/models/file_mod.php
Initial commit
Signed-off-by: Florian Pritz <bluewind@xssn.at>
Diffstat (limited to 'system/application/models/file_mod.php')
-rw-r--r--system/application/models/file_mod.php164
1 files changed, 164 insertions, 0 deletions
diff --git a/system/application/models/file_mod.php b/system/application/models/file_mod.php
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+<?php
+/*
+ * Copyright 2009-2010 Florian "Bluewind" Pritz <bluewind@server-speed.net>
+ *
+ * Licensed under GPLv3
+ * (see COPYING for full license text)
+ *
+ */
+
+class File_mod extends Model {
+
+ function __construct()
+ {
+ parent::Model();
+ }
+
+ function new_id()
+ {
+ $id = $this->random_id(3,6);
+
+ if ($this->id_exists($id)) {
+ return $this->new_id();
+ } else {
+ return $id;
+ }
+ }
+
+ function id_exists($id)
+ {
+ $sql = '
+ SELECT id
+ FROM `files`
+ WHERE `id` = ?';
+ $query = $this->db->query($sql, array($id));
+
+ if ($query->num_rows() == 1) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function get_filedata($id)
+ {
+ $sql = '
+ SELECT hash,filename
+ FROM `files`
+ WHERE `id` = ?';
+ $query = $this->db->query($sql, array($id));
+
+ if ($query->num_rows() == 1) {
+ $return = $query->result_array();
+ return $return[0];
+ } else {
+ return false;
+ }
+ }
+
+ function folder($hash) {
+ return $this->config->item('upload_path').'/'.substr($hash, 0, 3);
+ }
+
+ function hash_password($password)
+ {
+ // TODO: move salt to config
+ return sha1('w9yFMeU6ITrkrPBlRJfA'.$password);
+ }
+
+ private function unused_file($hash)
+ {
+ $sql = '
+ SELECT id
+ FROM `files`
+ WHERE `hash` = ?';
+ $query = $this->db->query($sql, array($hash));
+
+ if ($query->num_rows() == 0) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function delete_id($id, $password)
+ {
+ $filedata = $this->get_filedata($id);
+ $password = $this->hash_password($password);
+
+ $sql = '
+ DELETE
+ FROM `files`
+ WHERE `id` = ?
+ AND password = ?
+ LIMIT 1';
+ $query = $this->db->query($sql, array($id, $password));
+
+ if($this->unused_file($filedata['hash'])) {
+ unlink($this->config->item('upload_path').'/'.substr($filedata['hash'], 0, 3).'/'.$filedata['hash']);
+ // TODO: remove empty folders
+ }
+ }
+
+ private function random_id($min_length, $max_length)
+ {
+ $random = '';
+ $char_list = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ $char_list .= "abcdefghijklmnopqrstuvwxyz";
+ $char_list .= "1234567890";
+
+ for($i = 0; $i < $max_length; $i++) {
+ if (strlen($random) >= $min_length) {
+ if (rand()%2 == 1) {
+ break;
+ }
+ }
+ $random .= substr($char_list,(rand()%(strlen($char_list))), 1);
+ }
+ return $random;
+ }
+
+ function mime2extension($type)
+ {
+ $typearray = array(
+ 'text/plain' => 'txt',
+ 'text/x-python' => 'py',
+ 'text/x-csrc' => 'c',
+ 'text/x-chdr' => 'h',
+ 'text/x-c++hdr' => 'h',
+ 'text/x-c++src' => 'cpp',
+ 'text/x-patch' => 'diff',
+ 'text/x-lua' => 'lua',
+ 'text/x-haskell' => 'hs',
+ 'text/x-literate-haskell' => 'hs',
+ 'text/x-subviewer' => 'sh',
+ #'text/x-makefile' => 'make',
+ #'text/x-log' => 'log',
+ 'text/html' => 'html',
+ 'text/css' => 'css',
+ #'image/svg+xml' => 'xml',
+ 'application/x-perl' => 'pl',
+ 'application/xml' => 'xml',
+ 'application/javascript' => 'js',
+ 'application/x-desktop' => 'txt',
+ 'application/x-m4' => 'txt',
+ 'application/x-awk' => 'awk',
+ 'application/x-java' => 'java',
+ 'application/x-php' => 'php',
+ 'application/x-ruby' => 'rb',
+ 'application/x-shellscript' => 'sh',
+ 'application/x-x509-ca-cert' => 'txt',
+ 'application/mbox' => 'txt'
+ );
+ if (array_key_exists($type, $typearray)) return $typearray[$type];
+
+ if (strpos($type, 'text/') === 0) return 'txt';
+
+ # default
+ return false;
+ }
+
+}
+
+/* End of file file_mod.php */
+/* Location: ./system/application/models/file_mod.php */