+++ /dev/null
-<?php
-/*
- * Jyraphe, your web file repository
- * Copyright (C) 2008 Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * transforms a php.ini string representing a value in an integer
- * @param $value the value from php.ini
- * @returns an integer for this value
- */
-function jyraphe_ini_to_bytes($value) {
- $modifier = substr($value, -1);
- $bytes = substr($value, 0, -1);
- switch(strtoupper($modifier)) {
- case 'P':
- $bytes *= 1024;
- case 'T':
- $bytes *= 1024;
- case 'G':
- $bytes *= 1024;
- case 'M':
- $bytes *= 1024;
- case 'K':
- $bytes *= 1024;
- default:
- break;
- }
- return $bytes;
-}
-
-/**
- * gets the maximum upload size according to php.ini
- * @returns the maximum upload size
- */
-function jyraphe_get_max_upload_size() {
- return min(jyraphe_ini_to_bytes(ini_get('post_max_size')), jyraphe_ini_to_bytes(ini_get('upload_max_filesize')));
-}
-
-/**
- * detects if a given filename is present in a directory and find an alternate filename
- * @param $name the initial filename
- * @param $dir the directory to explore (finishing with a '/')
- * @returns an alternate filename, possibly the initial filename
- */
-function jyraphe_detect_collision($name, $dir) {
- if(!file_exists($dir . $name)) {
- return $name;
- }
-
- $dot = strpos($name, '.');
- $dot = ($dot === false) ? strlen($name) : $dot;
- $first = substr($name, 0, $dot);
- $second = substr($name, $dot);
- $i = 1;
- do {
- $new_name = $first . '-' . $i . $second;
- $i++;
- } while(file_exists($dir . $new_name));
-
- return $new_name;
-}
-
-/**
- * gets a string explaining the error
- * @param $code the error code
- * @returns a string explaining the error
- */
-function jyraphe_upload_errstr($code) {
- switch($code) {
- case UPLOAD_ERR_INI_SIZE:
- case UPLOAD_ERR_FORM_SIZE:
- return _('Your file exceeds the maximum authorized file size.');
- break;
-
- case UPLOAD_ERR_PARTIAL:
- case UPLOAD_ERR_NO_FILE:
- return _('Your file was not uploaded correctly. You may succeed in retrying.');
- break;
-
- case UPLOAD_ERR_NO_TMP_DIR:
- case UPLOAD_ERR_CANT_WRITE:
- case UPLOAD_ERR_EXTENSION:
- return _('Internal error. You may not succeed in retrying.');
- break;
-
- default:
- break;
- }
- return _('Unknown error.');
-}
-
-/**
- * handles an uploaded file
- * @param $file the file struct given by $_FILE[]
- * @param $one_time_download is the file a one time download ?
- * @param $key if not empty, protect the file with this key
- * @param $time the time of validity of the file
- * @param $cfg the current configuration
- * @returns an array containing some information
- * 'error' => information on possible errors
- * 'link' => the link name of the uploaded file
- */
-function jyraphe_upload($file, $one_time_download, $key, $time, $cfg) {
- if(!empty($file['tmp_name'])) {
-
- if($file['name'] == '.htaccess') {
- return(array(
- 'error' => array(
- 'has_error' => true,
- 'why' => _('This file is forbidden for security reasons.')),
- 'link' => '')
- );
- }
-
-
- if(is_uploaded_file($file['tmp_name'])) {
-
- /* array representing no error */
- $noerr = array('has_error' => false, 'why' => '');
-
- /* we check if this file is already here */
- $md5 = md5_file($file['tmp_name']);
- $link_name = ($one_time_download ? 'O' : 'R') . $md5;
- if(file_exists(VAR_LINKS . $link_name)) {
- return(array('error' => $noerr, 'link' => $link_name));
- }
-
- $mime_type = $file['type'];
- $final_name = trim($file['name']);
-
- /* we prevent .php and make it a .phps for security reasons */
- if((strlen($final_name) >= 4) && (substr($final_name, -4) == '.php')) {
- $final_name .= 's';
- $mime_type = 'application/x-httpd-php-source';
- }
-
- /* we check if there is a file with that name */
- $final_name = jyraphe_detect_collision($final_name, VAR_FILES);
-
- /* we move it to the right place and create the link */
- if(move_uploaded_file($file['tmp_name'], VAR_FILES . $final_name)) {
- $handle = fopen(VAR_LINKS . $link_name, 'w');
- fwrite($handle, $final_name . NL . $mime_type . NL . $file['size'] . NL . $key . NL . $time . NL);
- fclose($handle);
-
- return(array('error' => $noerr, 'link' => $link_name));
- }
- }
- }
-
- return(array('error' => array('has_error' => true, 'why' => jyraphe_upload_errstr($file['error'])), 'link' => ''));
-}
-
-/**
- * tells if a mime-type is viewable in a browser
- * @param $mime the mime type
- * @returns a boolean telling if a mime type is viewable
- */
-function jyraphe_is_viewable($mime) {
- if(!empty($mime)) {
- // actually, verify if mime-type is an image or a text
- $viewable = array('image', 'text');
- $decomposed = explode('/', $mime);
- return in_array($decomposed[0], $viewable);
- }
- return false;
-}
-
-
-// Error handling functions.
-//! Global array that contains all registered errors.
-$error_list = array ();
-
-/**
- * Adds an error to the list of errors.
- * @param $title the error's title
- * @param $description is a human-friendly description of the problem.
- */
-function add_error ($title, $description) {
- global $error_list;
- $error_list[] = '<p>' . $title . '<br />' . $description . '</p>';
-}
-
-/**
- * Informs whether any error has been registered yet.
- * @return true if there are errors.
- */
-function has_error () {
- global $error_list;
- return !empty ($error_list);
-}
-
-/**
- * Displays all the errors.
- */
-function show_errors () {
- if (has_error ()) {
- global $error_list;
- echo '<div class="error">';
- foreach ($error_list as $error) {
- echo $error;
- }
- echo '</div>';
- }
-}
-
-?>
git.p6c8.net / jirafeau / mojo42.git / blobdiff