/*Easy PHP Upload - version 2.31
A easy to use class for your (multiple) file uploads
Copyright (c) 2004 - 2006, Olaf Lederer
All rights reserved.*/
class file_upload {
var $the_file;
var $the_temp_file;
var $upload_dir;
var $replace;
var $do_filename_check;
var $max_length_filename = 100;
var $extensions;
var $ext_string;
var $language;
var $http_error;
var $rename_file; // if this var is true the file copy get a new name
var $file_copy; // the new name
var $message = array();
var $create_directory = true;
function file_upload() {
$this->language = "en"; // choice of en, nl, es
$this->rename_file = true;
$this->ext_string = "";
}
function show_error_string($br = "<br />\n") {
$msg_string = "";
foreach ($this->message as $value) {
$msg_string .= $value.$br;
}
return $msg_string;
}
function set_file_name($new_name = "") { // this "conversion" is used for unique/new filenames
if ($this->rename_file) {
if ($this->the_file == "") return;
$name = ($new_name == "") ? strtotime("now") : $new_name;
sleep(3);
$name = $name.$this->get_extension($this->the_file);
} else {
$name = str_replace(" ", "_", $this->the_file); // space will result in problems on linux systems
}
return $name;
}
function upload($to_name = "") {
$new_name = $this->set_file_name($to_name);
if ($this->check_file_name($new_name)) {
if ($this->validateExtension()) {
if (is_uploaded_file($this->the_temp_file)) {
$this->file_copy = $new_name;
if ($this->move_upload($this->the_temp_file, $this->file_copy)) {
$this->message[] = $this->error_text($this->http_error);
if ($this->rename_file) $this->message[] = $this->error_text(16);
return true;
}
} else {
$this->message[] = $this->error_text($this->http_error);
return false;
}
} else {
$this->show_extensions();
$this->message[] = $this->error_text(11);
return false;
}
} else {
return false;
}
}
function check_file_name($the_name) {
if ($the_name != "") {
if (strlen($the_name) > $this->max_length_filename) {
$this->message[] = $this->error_text(13);
return false;
} else {
if ($this->do_filename_check == "y") {
if (preg_match("/^[a-z0-9_]*\.(.){1,5}$/i", $the_name)) {
return true;
} else {
$this->message[] = $this->error_text(12);
return false;
}
} else {
return true;
}
}
} else {
$this->message[] = $this->error_text(10);
return false;
}
}
function get_extension($from_file) {
$ext = strtolower(strrchr($from_file,"."));
return $ext;
}
function validateExtension() {
$extension = $this->get_extension($this->the_file);
$ext_array = $this->extensions;
if (in_array($extension, $ext_array)) {
// check mime type hier too against allowed/restricted mime types (boolean check mimetype)
return true;
} else {
return false;
}
}
// this method is only used for detailed error reporting
function show_extensions() {
$this->ext_string = implode(" ", $this->extensions);
}
function move_upload($tmp_file, $new_file) {
if ($this->existing_file($new_file)) {
$newfile = $this->upload_dir.$new_file;
if ($this->check_dir($this->upload_dir)) {
if (move_uploaded_file($tmp_file, $newfile)) {
umask(0);
chmod($newfile , 0644);
return true;
} else {
return false;
}
} else {
$this->message[] = $this->error_text(14);
return false;
}
} else {
$this->message[] = $this->error_text(15);
return false;
}
}
function check_dir($directory) {
if (!is_dir($directory)) {
if ($this->create_directory) {
umask(0);
mkdir($directory, 0777);
return true;
} else {
return false;
}
} else {
return true;
}
}
function existing_file($file_name) {
if ($this->replace == "y") {
return true;
} else {
if (file_exists($this->upload_dir.$file_name)) {
return false;
} else {
return true;
}
}
}
function get_uploaded_file_info($name) {
$str = "File name: ".basename($name)."\n";
$str .= "File size: ".filesize($name)." bytes\n";
if (function_exists("mime_content_type")) {
$str .= "Mime type: ".mime_content_type($name)."\n";
}
if ($img_dim = getimagesize($name)) {
$str .= "Image dimensions: x = ".$img_dim[0]."px, y = ".$img_dim[1]."px\n";
}
return $str;
}
// this method was first located inside the foto_upload extension
function del_temp_file($file) {
$delete = @unlink($file);
clearstatcache();
if (@file_exists($file)) {
$filesys = eregi_replace("/","\\",$file);
$delete = @system("del $filesys");
clearstatcache();
if (@file_exists($file)) {
$delete = @chmod ($file, 0644);
$delete = @unlink($file);
$delete = @system("del $filesys");
}
}
}
// this function creates a file field and if $show_alternate is true it will show a text field if the given file already exists
// there is also a submit button to remove the text field value
function create_file_field($element, $label = "", $length = 25, $show_replace = true, $replace_label = "Replace old file?", $file_path = "", $file_name = "", $show_alternate = false, $alt_length = 30, $alt_btn_label = "Delete image") {
$field = ($label != "") ? "<label>".$label."</label>\n" : "";
$file_field = "<input type=\"file\" name=\"".$element."\" size=\"".$length."\" />\n";
$file_field .= ($show_replace) ? "<span>".$replace_label."</span><input type=\"checkbox\" name=\"replace\" value=\"y\" />" : "";
if ($file_name != "" && $show_alternate) {
$field .= "<input type=\"text\" name=\"".$element."\" size=\"".$alt_length."\" value=\"".$file_name."\" readonly=\"readonly\"";
$field .= (!@file_exists($file_path.$file_name)) ? " title=\"".sprintf($this->error_text(17), $file_name)."\" />\n" : " />\n";
$field .= "<input type=\"checkbox\" name=\"del_img\" value=\"y\" /><span>".$alt_btn_label."</span>\n";
} else {
$field .= $file_field;
}
return $field;
}
// some error (HTTP)reporting, change the messages or remove options if you like.
function error_text($err_num) {
switch ($this->language) {
case "nl":
$error[0] = "Het bestand is succesvol gekopieerd.";
$error[1] = "Het bestand is te groot, controlleer de max. toegelaten bestandsgrootte.";
$error[2] = "Het bestand is te groot, controlleer de max. toegelaten bestandsgrootte.";
$error[3] = "Fout bij het uploaden, probeer het nog een keer.";
$error[4] = "Fout bij het uploaden, probeer het nog een keer.";
$error[10] = "Selecteer een bestand.";
$error[11] = "Er zijn alleen bestanden van dit type toegestaan: <b>".$this->ext_string."</b>";
$error[12] = "Sorry, de bestandsnaam bevat tekens die niet zijn toegestaan. Gebruik alleen nummer, letters en het underscore teken. <br>Een geldige naam eindigt met een punt en de extensie.";
$error[13] = "De bestandsnaam is te lang, het maximum is: ".$this->max_length_filename." tekens.";
$error[14] = "Sorry, de opgegeven directory bestaat niet!";
$error[15] = "Uploading <b>".$this->the_file."...Fout!</b> Sorry, er is al een bestand met deze naam aanwezig.";
$error[16] = "Het gekopieerde bestand is hernoemd naar <b>".$this->file_copy."</b>.";
$error[17] = "Het bestand %s bestaat niet.";
break;
case "de":
$error[0] = "Die Datei: <b>".$this->the_file."</b> wurde hochgeladen!";
$error[1] = "Die hochzuladende Datei ist größer als der Wert in der Server-Konfiguration!";
$error[2] = "Die hochzuladende Datei ist größer als der Wert in der Klassen-Konfiguration!";
$error[3] = "Die hochzuladende Datei wurde nur teilweise übertragen";
$error[4] = "Es wurde keine Datei hochgeladen";
$error[10] = "Wählen Sie eine Datei aus!.";
$error[11] = "Es sind nur Dateien mit folgenden Endungen erlaubt: <b>".$this->ext_string."</b>";
$error[12] = "Der Dateiname enthält ungültige Zeichen. Benutzen Sie nur alphanumerische Zeichen für den Dateinamen mit Unterstrich. <br>Ein gültiger Dateiname endet mit einem Punkt, gefolgt von der Endung.";
$error[13] = "Der Dateiname überschreitet die maximale Anzahl von ".$this->max_length_filename." Zeichen.";
$error[14] = "Das Upload-Verzeichnis existiert nicht!";
$error[15] = "Upload <b>".$this->the_file."...Fehler!</b> Eine Datei mit gleichem Dateinamen existiert bereits.";
$error[16] = "Die hochgeladene Datei ist umbenannt in <b>".$this->file_copy."</b>.";
$error[17] = "Die Datei %s existiert nicht.";
break;
//
// place here the translations (if you need) from the directory "add_translations"
//
default:
// start http errors
$error[0] = "File: <b>".$this->the_file."</b> successfully uploaded!";
$error[1] = "The uploaded file exceeds the max. upload filesize directive in the server configuration.";
$error[2] = "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the html form.";
$error[3] = "The uploaded file was only partially uploaded";
$error[4] = "No file was uploaded";
// end http errors
$error[10] = "Please select a file for upload.";
$error[11] = "Only files with the following extensions are allowed: <b>".$this->ext_string."</b>";
$error[12] = "Sorry, the filename contains invalid characters. Use only alphanumerical chars and separate parts of the name (if needed) with an underscore. <br>A valid filename ends with one dot followed by the extension.";
$error[13] = "The filename exceeds the maximum length of ".$this->max_length_filename." characters.";
$error[14] = "Sorry, the upload directory doesn't exist!";
$error[15] = "Uploading <b>".$this->the_file."...Error!</b> Sorry, a file with this name already exitst.";
$error[16] = "The uploaded file is renamed to <b>".$this->file_copy."</b>.";
$error[17] = "The file %s does not exist.";
}
return $error[$err_num];
}
}
