mirror of
https://gitlab.com/mojo42/Jirafeau.git
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0b8bc44d7a
When setting a PHP ini value like `post_max_size`, the value may not have a modifier (e.g. "M") and for "0" input, the function return empty string. Signed-off-by: Jerome Jutteau <jerome@jutteau.fr>
1579 lines
46 KiB
PHP
1579 lines
46 KiB
PHP
<?php
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/*
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* Jirafeau, your web file repository
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* Copyright (C) 2008 Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
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* Copyright (C) 2015 Jerome Jutteau <jerome@jutteau.fr>
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* Copyright (C) 2015 Nicola Spanti (RyDroid) <dev@nicola-spanti.info>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/**
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* Transform a string in a path by separating each letters by a '/'.
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* @return path finishing with a '/'
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*/
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function s2p($s)
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{
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$block_size = 8;
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$p = '';
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for ($i = 0; $i < strlen($s); $i++) {
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$p .= $s[$i];
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if (($i + 1) % $block_size == 0) {
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$p .= '/';
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}
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}
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if (strlen($s) % $block_size != 0) {
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$p .= '/';
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}
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return $p;
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}
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/**
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* Convert base 16 to base 64
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* @returns A string based on 64 characters (0-9, a-z, A-Z, "-" and "_")
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*/
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function base_16_to_64($num)
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{
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$m = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_';
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$hex2bin = array('0000', # 0
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'0001', # 1
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'0010', # 2
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'0011', # 3
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'0100', # 4
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'0101', # 5
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'0110', # 6
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'0111', # 7
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'1000', # 8
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'1001', # 9
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'1010', # a
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'1011', # b
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'1100', # c
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'1101', # d
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'1110', # e
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'1111'); # f
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$o = '';
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$b = '';
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$i = 0;
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# Convert long hex string to bin.
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$size = strlen($num);
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for ($i = 0; $i < $size; $i++) {
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$b .= $hex2bin[hexdec($num[$i])];
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}
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# Convert long bin to base 64.
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$size *= 4;
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for ($i = $size - 6; $i >= 0; $i -= 6) {
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$o = $m[bindec(substr($b, $i, 6))] . $o;
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}
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# Some few bits remaining ?
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if ($i < 0 && $i > -6) {
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$o = $m[bindec(substr($b, 0, $i + 6))] . $o;
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}
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return $o;
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}
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/**
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* Generate a random code.
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* @param $l code length
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* @return random code.
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*/
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function jirafeau_gen_random($l)
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{
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if ($l <= 0) {
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return 42;
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}
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$code="";
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for ($i = 0; $i < $l; $i++) {
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$code .= dechex(rand(0, 15));
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}
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return $code;
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}
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function is_ssl()
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{
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if (isset($_SERVER['HTTPS'])) {
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if ('on' == strtolower($_SERVER['HTTPS']) ||
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'1' == $_SERVER['HTTPS']) {
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return true;
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}
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} elseif (isset($_SERVER['SERVER_PORT']) && ('443' == $_SERVER['SERVER_PORT'])) {
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return true;
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} elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
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if ($_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
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return true;
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}
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}
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return false;
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}
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function jirafeau_human_size($octets)
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{
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$u = array('B', 'KB', 'MB', 'GB', 'TB');
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$o = max($octets, 0);
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$p = min(floor(($o ? log($o) : 0) / log(1024)), count($u) - 1);
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$o /= pow(1024, $p);
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return round($o, 1) . $u[$p];
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}
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// Convert UTC timestamp to a datetime field
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function jirafeau_get_datetimefield($timestamp)
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{
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$content = '<span class="datetime" data-datetime="' . strftime('%Y-%m-%d %H:%M', $timestamp) . '">'
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. strftime('%Y-%m-%d %H:%M', $timestamp) . ' (GMT)</span>';
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return $content;
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}
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function jirafeau_fatal_error($errorText, $cfg = array())
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{
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echo '<div class="error"><h2>Error</h2><p>' . $errorText . '</p></div>';
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require(JIRAFEAU_ROOT . 'lib/template/footer.php');
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exit;
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}
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function jirafeau_clean_rm_link($link)
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{
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$p = s2p("$link");
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if (file_exists(VAR_LINKS . $p . $link)) {
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unlink(VAR_LINKS . $p . $link);
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}
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$parse = VAR_LINKS . $p;
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$scan = array();
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while (file_exists($parse)
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&& ($scan = scandir($parse))
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&& count($scan) == 2 // '.' and '..' folders => empty.
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&& basename($parse) != basename(VAR_LINKS)) {
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rmdir($parse);
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$parse = substr($parse, 0, strlen($parse) - strlen(basename($parse)) - 1);
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}
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}
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function jirafeau_clean_rm_file($hash)
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{
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$p = s2p("$hash");
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$f = VAR_FILES . $p . $hash;
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if (file_exists($f) && is_file($f)) {
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unlink($f);
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}
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if (file_exists($f . '_count') && is_file($f . '_count')) {
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unlink($f . '_count');
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}
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$parse = VAR_FILES . $p;
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$scan = array();
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while (file_exists($parse)
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&& ($scan = scandir($parse))
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&& count($scan) == 2 // '.' and '..' folders => empty.
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&& basename($parse) != basename(VAR_FILES)) {
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rmdir($parse);
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$parse = substr($parse, 0, strlen($parse) - strlen(basename($parse)) - 1);
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}
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}
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/**
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* transforms a php.ini string representing a value in an integer
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* @param $value the value from php.ini
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* @returns an integer for this value
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*/
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function jirafeau_ini_to_bytes($value)
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{
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$modifier = substr($value, -1);
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$bytes = substr($value, 0, -1);
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switch (strtoupper($modifier)) {
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default:
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return intval($value);
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break;
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case 'P':
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$bytes *= 1024;
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// no break
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case 'T':
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$bytes *= 1024;
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// no break
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case 'G':
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$bytes *= 1024;
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// no break
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case 'M':
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$bytes *= 1024;
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// no break
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case 'K':
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$bytes *= 1024;
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}
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return $bytes;
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}
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/**
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* gets the maximum upload size according to php.ini
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* @returns the maximum upload size in bytes
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*/
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function jirafeau_get_max_upload_size_bytes()
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{
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return min(
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jirafeau_ini_to_bytes(ini_get('post_max_size')),
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jirafeau_ini_to_bytes(ini_get('upload_max_filesize'))
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);
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}
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/**
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* gets the maximum upload size according to php.ini
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* @returns the maximum upload size string
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*/
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function jirafeau_get_max_upload_size()
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{
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return jirafeau_human_size(jirafeau_get_max_upload_size_bytes());
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}
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/**
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* get the maximal upload size for a data chunk in async uploads
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* @param max_upload_chunk_size_bytes
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*/
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function jirafeau_get_max_upload_chunk_size_bytes($max_upload_chunk_size_bytes = 0)
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{
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if ($max_upload_chunk_size_bytes == 0) {
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$size = jirafeau_get_max_upload_size_bytes();
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// Jirafeau must choose an arbitrary number as PHP config does not give any limit nor $max_upload_chunk_size_bytes
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if ($size == 0) {
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return 10000000; // 10MB
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}
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return $size;
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}
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$size = min(
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jirafeau_get_max_upload_size_bytes(),
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$max_upload_chunk_size_bytes
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);
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if ($size == 0) {
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return $max_upload_chunk_size_bytes;
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}
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return $size;
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}
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/**
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* gets a string explaining the error
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* @param $code the error code
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* @returns a string explaining the error
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*/
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function jirafeau_upload_errstr($code)
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{
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switch ($code) {
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case UPLOAD_ERR_INI_SIZE:
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case UPLOAD_ERR_FORM_SIZE:
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return t('Your file exceeds the maximum authorized file size. ');
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case UPLOAD_ERR_PARTIAL:
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case UPLOAD_ERR_NO_FILE:
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return
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t('Your file was not uploaded correctly. You may succeed in retrying. ');
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case UPLOAD_ERR_NO_TMP_DIR:
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case UPLOAD_ERR_CANT_WRITE:
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case UPLOAD_ERR_EXTENSION:
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return t('Internal error. You may not succeed in retrying. ');
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}
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return t('Unknown error. ');
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}
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/** Remove link and it's file
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* @param $link the link's name (hash)
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*/
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function jirafeau_delete_link($link)
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{
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$l = jirafeau_get_link($link);
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if (!count($l)) {
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return;
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}
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jirafeau_clean_rm_link($link);
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$hash = $l['hash'];
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$p = s2p("$hash");
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$counter = 1;
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if (file_exists(VAR_FILES . $p . $hash. '_count')) {
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$content = file(VAR_FILES . $p . $hash. '_count');
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$counter = trim($content[0]);
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}
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$counter--;
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if ($counter >= 1) {
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$handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
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fwrite($handle, $counter);
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fclose($handle);
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}
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if ($counter == 0) {
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jirafeau_clean_rm_file($hash);
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}
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}
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/**
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* Delete a file and it's links.
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*/
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function jirafeau_delete_file($hash)
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{
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$count = 0;
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/* Get all links files. */
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$stack = array(VAR_LINKS);
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while (($d = array_shift($stack)) && $d != null) {
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$dir = scandir($d);
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foreach ($dir as $node) {
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if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
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preg_match('/\.tmp/i', "$node")) {
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continue;
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}
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if (is_dir($d . $node)) {
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/* Push new found directory. */
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$stack[] = $d . $node . '/';
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} elseif (is_file($d . $node)) {
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/* Read link informations. */
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$l = jirafeau_get_link(basename($node));
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if (!count($l)) {
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continue;
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}
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if ($l['hash'] == $hash) {
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$count++;
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jirafeau_delete_link($node);
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}
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}
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}
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}
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jirafeau_clean_rm_file($hash);
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return $count;
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}
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/** hash file's content
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* @param $method hash method, see 'file_hash' option. Valid methods are 'md5', 'md5_outside' or 'random'
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* @param $file_path file to hash
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* @returns hash string
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*/
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function jirafeau_hash_file($method, $file_path)
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{
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switch ($method) {
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case 'md5_outside':
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return jirafeau_md5_outside($file_path);
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case 'md5':
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return md5_file($file_path);
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case 'random':
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return jirafeau_gen_random(32);
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}
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return md5_file($file_path);
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}
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/** hash part of file: start, end and size.
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* This is a partial file hash, faster but weaker.
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* @param $file_path file to hash
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* @returns hash string
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*/
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function jirafeau_md5_outside($file_path)
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{
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$out = false;
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$handle = fopen($file_path, "r");
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if ($handle === false) {
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return false;
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}
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$size = filesize($file_path);
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if ($size === false) {
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goto err;
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}
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$first = fread($handle, 64);
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if ($first === false) {
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goto err;
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}
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if (fseek($handle, $size < 64 ? 0 : $size - 64) == -1) {
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goto err;
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}
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$last = fread($handle, 64);
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if ($last === false) {
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goto err;
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}
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$out = md5($first . $last . $size);
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err:
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fclose($handle);
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return $out;
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}
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/**
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* handles an uploaded file
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* @param $file the file struct given by $_FILE[]
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* @param $one_time_download is the file a one time download ?
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* @param $key if not empty, protect the file with this key
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* @param $time the time of validity of the file
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* @param $ip uploader's ip
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* @param $crypt boolean asking to crypt or not
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* @param $link_name_length size of the link name
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* @returns an array containing some information
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* 'error' => information on possible errors
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* 'link' => the link name of the uploaded file
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* 'delete_link' => the link code to delete file
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*/
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function jirafeau_upload($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length, $file_hash_method)
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{
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if (empty($file['tmp_name']) || !is_uploaded_file($file['tmp_name'])) {
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return (array(
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'error' =>
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array('has_error' => true,
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'why' => jirafeau_upload_errstr($file['error'])),
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'link' => '',
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'delete_link' => ''));
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}
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/* array representing no error */
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$noerr = array('has_error' => false, 'why' => '');
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/* Crypt file if option is enabled. */
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$crypted = false;
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$crypt_key = '';
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if ($crypt == true && !(extension_loaded('mcrypt') == true)) {
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error_log("PHP extension mcrypt not loaded, won't encrypt in Jirafeau");
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}
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if ($crypt == true && extension_loaded('mcrypt') == true) {
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$crypt_key = jirafeau_encrypt_file($file['tmp_name'], $file['tmp_name']);
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if (strlen($crypt_key) > 0) {
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$crypted = true;
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}
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}
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/* file information */
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$hash = jirafeau_hash_file($file_hash_method, $file['tmp_name']);
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$name = str_replace(NL, '', trim($file['name']));
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$mime_type = $file['type'];
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$size = $file['size'];
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|
|
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/* does file already exist ? */
|
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$rc = false;
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$p = s2p("$hash");
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if (file_exists(VAR_FILES . $p . $hash)) {
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$rc = unlink($file['tmp_name']);
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} elseif ((file_exists(VAR_FILES . $p) || @mkdir(VAR_FILES . $p, 0755, true))
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&& move_uploaded_file($file['tmp_name'], VAR_FILES . $p . $hash)) {
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$rc = true;
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}
|
|
if (!$rc) {
|
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return (array(
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'error' =>
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array('has_error' => true,
|
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'why' => t('INTERNAL_ERROR_DEL')),
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'link' =>'',
|
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'delete_link' => ''));
|
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}
|
|
|
|
/* Increment or create count file. */
|
|
$counter = 0;
|
|
if (file_exists(VAR_FILES . $p . $hash . '_count')) {
|
|
$content = file(VAR_FILES . $p . $hash. '_count');
|
|
$counter = trim($content[0]);
|
|
}
|
|
$counter++;
|
|
$handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
|
|
fwrite($handle, $counter);
|
|
fclose($handle);
|
|
|
|
/* Create delete code. */
|
|
$delete_link_code = jirafeau_gen_random(5);
|
|
|
|
/* hash password or empty. */
|
|
$password = '';
|
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if (!empty($key)) {
|
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$password = md5($key);
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}
|
|
|
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/* create link file */
|
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$link_tmp_name = VAR_LINKS . $hash . rand(0, 10000) . '.tmp';
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$handle = fopen($link_tmp_name, 'w');
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fwrite(
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$handle,
|
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$name . NL. $mime_type . NL. $size . NL. $password . NL. $time .
|
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NL . $hash. NL . ($one_time_download ? 'O' : 'R') . NL . time() .
|
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NL . $ip . NL. $delete_link_code . NL . ($crypted ? 'C' : 'O')
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);
|
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fclose($handle);
|
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$hash_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
|
|
$l = s2p("$hash_link");
|
|
if (!@mkdir(VAR_LINKS . $l, 0755, true) ||
|
|
!rename($link_tmp_name, VAR_LINKS . $l . $hash_link)) {
|
|
if (file_exists($link_tmp_name)) {
|
|
unlink($link_tmp_name);
|
|
}
|
|
|
|
$counter--;
|
|
if ($counter >= 1) {
|
|
$handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
|
|
fwrite($handle, $counter);
|
|
fclose($handle);
|
|
} else {
|
|
jirafeau_clean_rm_file($hash_link);
|
|
}
|
|
return array(
|
|
'error' =>
|
|
array('has_error' => true,
|
|
'why' => t('Internal error during file creation. ')),
|
|
'link' =>'',
|
|
'delete_link' => '');
|
|
}
|
|
return array( 'error' => $noerr,
|
|
'link' => $hash_link,
|
|
'delete_link' => $delete_link_code,
|
|
'crypt_key' => $crypt_key);
|
|
}
|
|
|
|
/**
|
|
* Tells if a mime-type is viewable in a browser
|
|
* @param $mime the mime type
|
|
* @returns a boolean telling if a mime type is viewable
|
|
*/
|
|
function jirafeau_is_viewable($mime)
|
|
{
|
|
if (!empty($mime)) {
|
|
$viewable = array('image', 'video', 'audio');
|
|
$decomposed = explode('/', $mime);
|
|
if (in_array($decomposed[0], $viewable) && strpos($mime, 'image/svg+xml') === false) {
|
|
return true;
|
|
}
|
|
$viewable = array('text/plain');
|
|
if (in_array($mime, $viewable)) {
|
|
return true;
|
|
}
|
|
}
|
|
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 $error;
|
|
}
|
|
echo '</div>';
|
|
}
|
|
}
|
|
|
|
function check_errors($cfg)
|
|
{
|
|
if (!($cfg['installation_done'] === true)) {
|
|
if (file_exists(JIRAFEAU_ROOT . 'install.php')) {
|
|
header('Location: install.php');
|
|
exit;
|
|
} else {
|
|
add_error(t('INSTALL_FILE_NOT_FOUND_TITLE'), t('INSTALL_FILE_NOT_FOUND_DESC'));
|
|
}
|
|
}
|
|
|
|
if (!is_writable(VAR_FILES)) {
|
|
add_error(t('FILE_DIR_W'), VAR_FILES);
|
|
}
|
|
|
|
if (!is_writable(VAR_LINKS)) {
|
|
add_error(t('LINK_DIR_W'), VAR_LINKS);
|
|
}
|
|
|
|
if (!is_writable(VAR_ASYNC)) {
|
|
add_error(t('ASYNC_DIR_W'), VAR_ASYNC);
|
|
}
|
|
|
|
if ($cfg['enable_crypt'] && $cfg['litespeed_workaround']) {
|
|
add_error(t('INCOMPATIBLE_OPTIONS_W'), 'enable_crypt=true<br>litespeed_workaround=true');
|
|
}
|
|
|
|
if ($cfg['one_time_download'] && $cfg['litespeed_workaround']) {
|
|
add_error(t('INCOMPATIBLE_OPTIONS_W'), 'one_time_download=true<br>litespeed_workaround=true');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Read link information
|
|
* @return array containing information.
|
|
*/
|
|
function jirafeau_get_link($hash)
|
|
{
|
|
$out = array();
|
|
$link = VAR_LINKS . s2p("$hash") . $hash;
|
|
|
|
if (!file_exists($link)) {
|
|
return $out;
|
|
}
|
|
|
|
$c = file($link);
|
|
$out['file_name'] = trim($c[0]);
|
|
$out['mime_type'] = trim($c[1]);
|
|
$out['file_size'] = trim($c[2]);
|
|
$out['key'] = trim($c[3], NL);
|
|
$out['time'] = trim($c[4]);
|
|
$out['hash'] = trim($c[5]);
|
|
$out['onetime'] = trim($c[6]);
|
|
$out['upload_date'] = trim($c[7]);
|
|
$out['ip'] = trim($c[8]);
|
|
$out['link_code'] = trim($c[9]);
|
|
$out['crypted'] = trim($c[10]) == 'C';
|
|
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* List files in admin interface.
|
|
*/
|
|
function jirafeau_admin_list($name, $file_hash, $link_hash)
|
|
{
|
|
echo '<fieldset><legend>';
|
|
if (!empty($name)) {
|
|
echo t('FILENAME') . ": " . jirafeau_escape($name);
|
|
}
|
|
if (!empty($file_hash)) {
|
|
echo t('FILE') . ": " . jirafeau_escape($file_hash);
|
|
}
|
|
if (!empty($link_hash)) {
|
|
echo t('LINK') . ": " . jirafeau_escape($link_hash);
|
|
}
|
|
if (empty($name) && empty($file_hash) && empty($link_hash)) {
|
|
echo t('LS_FILES');
|
|
}
|
|
echo '</legend>';
|
|
echo '<table>';
|
|
echo '<tr>';
|
|
echo '<th></th>';
|
|
echo '<th>' . t('ACTION') . '</th>';
|
|
echo '</tr>';
|
|
|
|
/* Get all links files. */
|
|
$stack = array(VAR_LINKS);
|
|
while (($d = array_shift($stack)) && $d != null) {
|
|
$dir = scandir($d);
|
|
foreach ($dir as $node) {
|
|
if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
|
|
preg_match('/\.tmp/i', "$node")) {
|
|
continue;
|
|
}
|
|
if (is_dir($d . $node)) {
|
|
/* Push new found directory. */
|
|
$stack[] = $d . $node . '/';
|
|
} elseif (is_file($d . $node)) {
|
|
/* Read link information. */
|
|
$l = jirafeau_get_link($node);
|
|
if (!count($l)) {
|
|
continue;
|
|
}
|
|
|
|
/* Filter. */
|
|
if (!empty($name) && !@preg_match("/$name/i", jirafeau_escape($l['file_name']))) {
|
|
continue;
|
|
}
|
|
if (!empty($file_hash) && $file_hash != $l['hash']) {
|
|
continue;
|
|
}
|
|
if (!empty($link_hash) && $link_hash != $node) {
|
|
continue;
|
|
}
|
|
/* Print link information. */
|
|
echo '<tr>';
|
|
echo '<td>' .
|
|
'<strong><a id="upload_link" href="f.php?h='. jirafeau_escape($node) .'" title="' .
|
|
t('DL_PAGE') . '">' . jirafeau_escape($l['file_name']) . '</a></strong><br/>';
|
|
echo t('TYPE') . ': ' . jirafeau_escape($l['mime_type']) . '<br/>';
|
|
echo t('SIZE') . ': ' . jirafeau_human_size($l['file_size']) . '<br>';
|
|
echo t('EXPIRE') . ': ' . ($l['time'] == -1 ? '∞' : jirafeau_get_datetimefield($l['time'])) . '<br/>';
|
|
echo t('ONETIME') . ': ' . ($l['onetime'] == 'O' ? 'Yes' : 'No') . '<br/>';
|
|
echo t('UPLOAD_DATE') . ': ' . jirafeau_get_datetimefield($l['upload_date']) . '<br/>';
|
|
if (strlen($l['ip']) > 0) {
|
|
echo t('ORIGIN') . ': ' . $l['ip'] . '<br/>';
|
|
}
|
|
echo '</td><td>';
|
|
echo '<form method="post">' .
|
|
'<input type = "hidden" name = "action" value = "download"/>' .
|
|
'<input type = "hidden" name = "link" value = "' . $node . '"/>' .
|
|
jirafeau_admin_csrf_field() .
|
|
'<input type = "submit" value = "' . t('DL') . '" />' .
|
|
'</form>' .
|
|
'<form method="post">' .
|
|
'<input type = "hidden" name = "action" value = "delete_link"/>' .
|
|
'<input type = "hidden" name = "link" value = "' . $node . '"/>' .
|
|
jirafeau_admin_csrf_field() .
|
|
'<input type = "submit" value = "' . t('DEL_LINK') . '" />' .
|
|
'</form>' .
|
|
'<form method="post">' .
|
|
'<input type = "hidden" name = "action" value = "delete_file"/>' .
|
|
'<input type = "hidden" name = "hash" value = "' . $l['hash'] . '"/>' .
|
|
jirafeau_admin_csrf_field() .
|
|
'<input type = "submit" value = "' . t('DEL_FILE_LINKS') . '" />' .
|
|
'</form>' .
|
|
'</td>';
|
|
echo '</tr>';
|
|
}
|
|
}
|
|
}
|
|
echo '</table></fieldset>';
|
|
}
|
|
|
|
/**
|
|
* Clean expired files.
|
|
* @return number of cleaned files.
|
|
*/
|
|
function jirafeau_admin_clean()
|
|
{
|
|
$count = 0;
|
|
/* Get all links files. */
|
|
$stack = array(VAR_LINKS);
|
|
while (($d = array_shift($stack)) && $d != null) {
|
|
$dir = scandir($d);
|
|
|
|
foreach ($dir as $node) {
|
|
if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
|
|
preg_match('/\.tmp/i', "$node")) {
|
|
continue;
|
|
}
|
|
|
|
if (is_dir($d . $node)) {
|
|
/* Push new found directory. */
|
|
$stack[] = $d . $node . '/';
|
|
} elseif (is_file($d . $node)) {
|
|
/* Read link information. */
|
|
$l = jirafeau_get_link(basename($node));
|
|
if (!count($l)) {
|
|
continue;
|
|
}
|
|
$p = s2p($l['hash']);
|
|
if ($l['time'] > 0 && $l['time'] < time() || // expired
|
|
!file_exists(VAR_FILES . $p . $l['hash']) || // invalid
|
|
!file_exists(VAR_FILES . $p . $l['hash'] . '_count')) { // invalid
|
|
jirafeau_delete_link($node);
|
|
$count++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $count;
|
|
}
|
|
|
|
|
|
/**
|
|
* Clean old async transfers.
|
|
* @return number of cleaned files.
|
|
*/
|
|
function jirafeau_admin_clean_async()
|
|
{
|
|
$count = 0;
|
|
/* Get all links files. */
|
|
$stack = array(VAR_ASYNC);
|
|
while (($d = array_shift($stack)) && $d != null) {
|
|
$dir = scandir($d);
|
|
|
|
foreach ($dir as $node) {
|
|
if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
|
|
preg_match('/\.tmp/i', "$node")) {
|
|
continue;
|
|
}
|
|
|
|
if (is_dir($d . $node)) {
|
|
/* Push new found directory. */
|
|
$stack[] = $d . $node . '/';
|
|
} elseif (is_file($d . $node)) {
|
|
/* Read async information. */
|
|
$a = jirafeau_get_async_ref(basename($node));
|
|
if (!count($a)) {
|
|
continue;
|
|
}
|
|
/* Delete transfers older than 1 hour. */
|
|
if (time() - $a['last_edited'] > 3600) {
|
|
jirafeau_async_delete(basename($node));
|
|
$count++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $count;
|
|
}
|
|
|
|
/**
|
|
* Better strval function for debug purposes
|
|
*/
|
|
function jirafeau_strval($value)
|
|
{
|
|
if (gettype($value) == "boolean") {
|
|
return $value ? 'true' : 'false';
|
|
}
|
|
return strval($value);
|
|
}
|
|
|
|
/**
|
|
* Show file/folder permissions
|
|
*/
|
|
function jirafeau_fileperms($path)
|
|
{
|
|
$out = substr(sprintf("%o", @fileperms($path)), -4) . ", ";
|
|
$out .= "read " . (is_readable($path) ? "OK" : "KO") . ", ";
|
|
$out .= "write " . (is_writable($path) ? "OK" : "KO");
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Show some useful informations for bug reporting.
|
|
*/
|
|
function jirafeau_admin_bug_report($cfg)
|
|
{
|
|
$out = "<fieldset><legend>" . t('REPORTING_AN_ISSUE') . "</legend>";
|
|
$out .= "If you have a problem related to Jirafeau, please <a href='https://gitlab.com/mojo42/Jirafeau/-/issues'>open an issue</a>, explain your problem in english and copy-paste the following content:<br/><br/><code>";
|
|
|
|
$out .= "# Jirafeau<br/>";
|
|
$out .= "- version: " . JIRAFEAU_VERSION . "<br/>";
|
|
$jirafeau_options = [
|
|
'debug',
|
|
'file_hash',
|
|
'litespeed_workaround',
|
|
'store_uploader_ip',
|
|
'installation_done',
|
|
'enable_crypt',
|
|
'preview',
|
|
'maximal_upload_size',
|
|
'store_uploader_ip',
|
|
'max_upload_chunk_size_bytes'
|
|
];
|
|
foreach ($jirafeau_options as &$o) {
|
|
$v = $cfg[$o];
|
|
$out .= "- $o: " . jirafeau_strval($v) . " (" . gettype($v) . ")<br/>";
|
|
}
|
|
$out .= "<br/>";
|
|
|
|
$out .= "# PHP options<br/>";
|
|
$out .= "- php version: " . phpversion() . "<br/>";
|
|
$out .= "- mcrypt version: " . phpversion('mcrypt') . "<br/>";
|
|
$php_options = [
|
|
'post_max_size',
|
|
'upload_max_filesize',
|
|
'safe_mode',
|
|
'max_execution_time',
|
|
'max_input_time'
|
|
];
|
|
foreach ($php_options as &$o) {
|
|
$v = ini_get($o);
|
|
$out .= "- $o: " . jirafeau_strval($v) . " (" . gettype($v). ")<br/>";
|
|
}
|
|
$out .= "- can set_time_limit: " . (set_time_limit(0) ? "yes" : "no") . "<br/>";
|
|
$out .= "<br/>";
|
|
|
|
$out .= "# File permissions<br/>";
|
|
$out .= "- 'var' folder permissions: " . jirafeau_fileperms($cfg['var_root']) . "<br/>";
|
|
$out .= "- 'file' folder permissions: " . jirafeau_fileperms(VAR_FILES) . "<br/>";
|
|
$out .= "- 'links' folder permissions: " . jirafeau_fileperms(VAR_LINKS) . "<br/>";
|
|
$out .= "- 'async' folder permissions: " . jirafeau_fileperms(VAR_ASYNC) . "<br/>";
|
|
$out .= "<br/>";
|
|
|
|
$out .= "# Server details<br/>";
|
|
$out .= "- server software: " . $_SERVER["SERVER_SOFTWARE"] . "<br/>";
|
|
$out .= "<br/>";
|
|
|
|
$out .= "# OS details<br/>";
|
|
$out .= "- OS: " . php_uname() . "<br/>";
|
|
$out .= "<br/>";
|
|
|
|
$out .= "# Browser details<br/>";
|
|
$out .= "<script type='text/javascript' lang='Javascript'>
|
|
// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-v3-or-Later
|
|
document.write('- html5 support: ' + (check_html5_file_api() ? 'yes' : 'no') + '<br/>');
|
|
document.write('- user agent: ' + navigator.userAgent + '<br/>');
|
|
// @license-end
|
|
</script>";
|
|
$out .= "<br/>";
|
|
|
|
$out .= "# Memory<br/>";
|
|
$out .= "- memory_get_peak_usage: " . jirafeau_human_size(memory_get_peak_usage()) . "<br/>";
|
|
|
|
$out .= "</code></fieldset>";
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Read async transfer information
|
|
* @return array containing information.
|
|
*/
|
|
function jirafeau_get_async_ref($ref)
|
|
{
|
|
$out = array();
|
|
$refinfos = VAR_ASYNC . s2p("$ref") . "$ref";
|
|
|
|
if (!file_exists($refinfos)) {
|
|
return $out;
|
|
}
|
|
|
|
$c = file($refinfos);
|
|
$out['file_name'] = trim($c[0]);
|
|
$out['mime_type'] = trim($c[1]);
|
|
$out['key'] = trim($c[2], NL);
|
|
$out['time'] = trim($c[3]);
|
|
$out['onetime'] = trim($c[4]);
|
|
$out['ip'] = trim($c[5]);
|
|
$out['last_edited'] = trim($c[6]);
|
|
$out['next_code'] = trim($c[7]);
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Delete async transfer information
|
|
*/
|
|
function jirafeau_async_delete($ref)
|
|
{
|
|
$p = s2p("$ref");
|
|
if (file_exists(VAR_ASYNC . $p . $ref)) {
|
|
unlink(VAR_ASYNC . $p . $ref);
|
|
}
|
|
if (file_exists(VAR_ASYNC . $p . $ref . '_data')) {
|
|
unlink(VAR_ASYNC . $p . $ref . '_data');
|
|
}
|
|
$parse = VAR_ASYNC . $p;
|
|
$scan = array();
|
|
while (file_exists($parse)
|
|
&& ($scan = scandir($parse))
|
|
&& count($scan) == 2 // '.' and '..' folders => empty.
|
|
&& basename($parse) != basename(VAR_ASYNC)) {
|
|
rmdir($parse);
|
|
$parse = substr($parse, 0, strlen($parse) - strlen(basename($parse)) - 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Init a new asynchronous upload.
|
|
* @param $filename Name of the file to send
|
|
* @param $one_time One time upload parameter
|
|
* @param $key eventual password (or blank)
|
|
* @param $time time limit
|
|
* @param $ip ip address of the client
|
|
* @return a string containing a temporary reference followed by a code or a string starting with 'Error'
|
|
*/
|
|
function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
|
|
{
|
|
/* Create temporary folder. */
|
|
$ref;
|
|
$p;
|
|
$code = jirafeau_gen_random(4);
|
|
do {
|
|
$ref = jirafeau_gen_random(32);
|
|
$p = VAR_ASYNC . s2p($ref);
|
|
} while (file_exists($p));
|
|
@mkdir($p, 0755, true);
|
|
if (!file_exists($p)) {
|
|
return 'Error: cannot create async folder.';
|
|
}
|
|
|
|
/* touch empty data file */
|
|
$w_path = $p . $ref . '_data';
|
|
touch($w_path);
|
|
|
|
/* md5 password or empty */
|
|
$password = '';
|
|
if (!empty($key)) {
|
|
$password = md5($key);
|
|
}
|
|
|
|
/* Store information. */
|
|
$p .= $ref;
|
|
$handle = fopen($p, 'w');
|
|
fwrite(
|
|
$handle,
|
|
str_replace(NL, '', trim($filename)) . NL .
|
|
str_replace(NL, '', trim($type)) . NL . $password . NL .
|
|
$time . NL . ($one_time ? 'O' : 'R') . NL . $ip . NL .
|
|
time() . NL . $code . NL
|
|
);
|
|
fclose($handle);
|
|
|
|
return $ref . NL . $code ;
|
|
}
|
|
|
|
/**
|
|
* Append a piece of file on the asynchronous upload.
|
|
* @param $ref asynchronous upload reference
|
|
* @param $file piece of data
|
|
* @param $code client code for this operation
|
|
* @param $max_file_size maximum allowed file size
|
|
* @return a string containing a next code to use or a string starting with 'Error'
|
|
*/
|
|
function jirafeau_async_push($ref, $data, $code, $max_file_size)
|
|
{
|
|
/* Get async infos. */
|
|
$a = jirafeau_get_async_ref($ref);
|
|
|
|
/* Check some errors. */
|
|
if (count($a) == 0) {
|
|
return "Error: cannot find transfer";
|
|
}
|
|
if ($a['next_code'] != "$code") {
|
|
return "Error: bad transfer code";
|
|
}
|
|
if ($data['error'] != UPLOAD_ERR_OK) {
|
|
// Check error code in https://www.php.net/manual/en/features.file-upload.errors.php
|
|
$data_details = print_r($data, true);
|
|
return "Error: upload error: {$data_details}";
|
|
}
|
|
if (empty($data['tmp_name'])) {
|
|
return "Error: missing tmp_name";
|
|
}
|
|
if (!is_uploaded_file($data['tmp_name'])) {
|
|
return "Error: tmp_name may not be uploaded";
|
|
}
|
|
|
|
$p = s2p($ref);
|
|
|
|
/* File path. */
|
|
$r_path = $data['tmp_name'];
|
|
$w_path = VAR_ASYNC . $p . $ref . '_data';
|
|
|
|
/* Check that file size is not above upload limit. */
|
|
if ($max_file_size > 0 &&
|
|
filesize($r_path) + filesize($w_path) > $max_file_size * 1024 * 1024) {
|
|
jirafeau_async_delete($ref);
|
|
return "Error: file size is above upload limit";
|
|
}
|
|
|
|
/* Concatenate data. */
|
|
$r = fopen($r_path, 'r');
|
|
$w = fopen($w_path, 'a');
|
|
while (!feof($r)) {
|
|
if (fwrite($w, fread($r, 1024)) === false) {
|
|
fclose($r);
|
|
fclose($w);
|
|
jirafeau_async_delete($ref);
|
|
return "Error: cannot write file";
|
|
}
|
|
}
|
|
fclose($r);
|
|
fclose($w);
|
|
unlink($r_path);
|
|
|
|
/* Update async file. */
|
|
$code = jirafeau_gen_random(4);
|
|
$handle = fopen(VAR_ASYNC . $p . $ref, 'w');
|
|
fwrite(
|
|
$handle,
|
|
$a['file_name'] . NL. $a['mime_type'] . NL. $a['key'] . NL .
|
|
$a['time'] . NL . $a['onetime'] . NL . $a['ip'] . NL .
|
|
time() . NL . $code . NL
|
|
);
|
|
fclose($handle);
|
|
return $code;
|
|
}
|
|
|
|
/**
|
|
* Finalize an asynchronous upload.
|
|
* @param $ref asynchronous upload reference
|
|
* @param $code client code for this operation
|
|
* @param $crypt boolean asking to crypt or not
|
|
* @param $link_name_length link name length
|
|
* @return a string containing the download reference followed by a delete code or a string starting with 'Error'
|
|
*/
|
|
function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_method)
|
|
{
|
|
/* Get async infos. */
|
|
$a = jirafeau_get_async_ref($ref);
|
|
if (count($a) == 0
|
|
|| $a['next_code'] != "$code") {
|
|
return "Error: bad code for ending transfer";
|
|
}
|
|
|
|
/* Generate link infos. */
|
|
$p = VAR_ASYNC . s2p($ref) . $ref . "_data";
|
|
if (!file_exists($p)) {
|
|
return "Error: referenced file does not exist";
|
|
}
|
|
|
|
$crypted = false;
|
|
$crypt_key = '';
|
|
if ($crypt == true && extension_loaded('mcrypt') == true) {
|
|
$crypt_key = jirafeau_encrypt_file($p, $p);
|
|
if (strlen($crypt_key) > 0) {
|
|
$crypted = true;
|
|
}
|
|
}
|
|
|
|
$hash = jirafeau_hash_file($file_hash_method, $p);
|
|
$size = filesize($p);
|
|
$np = s2p($hash);
|
|
$delete_link_code = jirafeau_gen_random(5);
|
|
|
|
/* File already exist ? */
|
|
if (!file_exists(VAR_FILES . $np)) {
|
|
@mkdir(VAR_FILES . $np, 0755, true);
|
|
}
|
|
if (!file_exists(VAR_FILES . $np . $hash)) {
|
|
rename($p, VAR_FILES . $np . $hash);
|
|
}
|
|
|
|
/* Increment or create count file. */
|
|
$counter = 0;
|
|
if (file_exists(VAR_FILES . $np . $hash . '_count')) {
|
|
$content = file(VAR_FILES . $np . $hash. '_count');
|
|
$counter = trim($content[0]);
|
|
}
|
|
$counter++;
|
|
$handle = fopen(VAR_FILES . $np . $hash. '_count', 'w');
|
|
fwrite($handle, $counter);
|
|
fclose($handle);
|
|
|
|
/* Create link. */
|
|
$link_tmp_name = VAR_LINKS . $hash . rand(0, 10000) . '.tmp';
|
|
$handle = fopen($link_tmp_name, 'w');
|
|
fwrite(
|
|
$handle,
|
|
$a['file_name'] . NL . $a['mime_type'] . NL . $size . NL .
|
|
$a['key'] . NL . $a['time'] . NL . $hash . NL . $a['onetime'] . NL .
|
|
time() . NL . $a['ip'] . NL . $delete_link_code . NL . ($crypted ? 'C' : 'O')
|
|
);
|
|
fclose($handle);
|
|
$hash_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
|
|
$l = s2p("$hash_link");
|
|
if (!@mkdir(VAR_LINKS . $l, 0755, true)) {
|
|
return "Error: cannot create folder in LINKS";
|
|
}
|
|
if (!rename($link_tmp_name, VAR_LINKS . $l . $hash_link)) {
|
|
return "Error: cannot rename file in LINKS";
|
|
}
|
|
|
|
/* Clean async upload. */
|
|
jirafeau_async_delete($ref);
|
|
return $hash_link . NL . $delete_link_code . NL . urlencode($crypt_key);
|
|
}
|
|
|
|
function jirafeau_crypt_create_iv($base, $size)
|
|
{
|
|
$iv = '';
|
|
while (strlen($iv) < $size) {
|
|
$iv = $iv . $base;
|
|
}
|
|
$iv = substr($iv, 0, $size);
|
|
return $iv;
|
|
}
|
|
|
|
/**
|
|
* Crypt file and returns decrypt key.
|
|
* @param $fp_src file path to the file to crypt.
|
|
* @param $fp_dst file path to the file to write crypted file (could be the same).
|
|
* @return decrypt key composed of the key and the iv separated by a point ('.')
|
|
*/
|
|
function jirafeau_encrypt_file($fp_src, $fp_dst)
|
|
{
|
|
$fs = filesize($fp_src);
|
|
if ($fs === false || $fs == 0 || !(extension_loaded('mcrypt') == true)) {
|
|
return '';
|
|
}
|
|
|
|
/* Prepare module. */
|
|
$m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
|
|
/* Generate key. */
|
|
$crypt_key = jirafeau_gen_random(10);
|
|
$hash_key = md5($crypt_key);
|
|
$iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
|
|
/* Init module. */
|
|
mcrypt_generic_init($m, $hash_key, $iv);
|
|
/* Crypt file. */
|
|
$r = fopen($fp_src, 'r');
|
|
$w = fopen($fp_dst, 'c');
|
|
while (!feof($r)) {
|
|
$enc = mcrypt_generic($m, fread($r, 1024));
|
|
if (fwrite($w, $enc) === false) {
|
|
return '';
|
|
}
|
|
}
|
|
fclose($r);
|
|
fclose($w);
|
|
/* Cleanup. */
|
|
mcrypt_generic_deinit($m);
|
|
mcrypt_module_close($m);
|
|
return $crypt_key;
|
|
}
|
|
|
|
/**
|
|
* Decrypt file.
|
|
* @param $fp_src file path to the file to decrypt.
|
|
* @param $fp_dst file path to the file to write decrypted file (could be the same).
|
|
* @param $k string composed of the key and the iv separated by a point ('.')
|
|
* @return key used to decrypt. a string of length 0 is returned if failed.
|
|
*/
|
|
function jirafeau_decrypt_file($fp_src, $fp_dst, $k)
|
|
{
|
|
$fs = filesize($fp_src);
|
|
if ($fs === false || $fs == 0 || extension_loaded('mcrypt') == false) {
|
|
return false;
|
|
}
|
|
|
|
/* Init module */
|
|
$m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
|
|
/* Extract key and iv. */
|
|
$crypt_key = $k;
|
|
$hash_key = md5($crypt_key);
|
|
$iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
|
|
/* Decrypt file. */
|
|
$r = fopen($fp_src, 'r');
|
|
$w = fopen($fp_dst, 'c');
|
|
while (!feof($r)) {
|
|
$dec = mdecrypt_generic($m, fread($r, 1024));
|
|
if (fwrite($w, $dec) === false) {
|
|
return false;
|
|
}
|
|
}
|
|
fclose($r);
|
|
fclose($w);
|
|
/* Cleanup. */
|
|
mcrypt_generic_deinit($m);
|
|
mcrypt_module_close($m);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if Jirafeau is password protected for visitors.
|
|
* @return true if Jirafeau is password protected, false otherwise.
|
|
*/
|
|
function jirafeau_has_upload_password($cfg)
|
|
{
|
|
return count($cfg['upload_password']) > 0;
|
|
}
|
|
|
|
/**
|
|
* Challenge password for a visitor.
|
|
* @param $password password to be challenged
|
|
* @return true if password is valid, false otherwise.
|
|
*/
|
|
function jirafeau_challenge_upload_password($cfg, $password)
|
|
{
|
|
if (!jirafeau_has_upload_password($cfg)) {
|
|
return false;
|
|
}
|
|
foreach ($cfg['upload_password'] as $p) {
|
|
if ($password == $p) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Test if the given IP is whitelisted by the given list.
|
|
*
|
|
* @param $allowedIpList array of allowed IPs
|
|
* @param $challengedIp IP to be challenged
|
|
* @return true if IP is authorized, false otherwise.
|
|
*/
|
|
function jirafeau_challenge_ip($allowedIpList, $challengedIp)
|
|
{
|
|
foreach ($allowedIpList as $i) {
|
|
if ($i == $challengedIp) {
|
|
return true;
|
|
}
|
|
// CIDR test for IPv4 only.
|
|
if (strpos($i, '/') !== false) {
|
|
list($subnet, $mask) = explode('/', $i);
|
|
if ((ip2long($challengedIp) & ~((1 << (32 - $mask)) - 1)) == ip2long($subnet)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check if Jirafeau has a restriction on the IP address for uploading.
|
|
* @return true if uploading is IP restricted, false otherwise.
|
|
*/
|
|
function jirafeau_upload_has_ip_restriction($cfg)
|
|
{
|
|
return count($cfg['upload_ip']) > 0;
|
|
}
|
|
|
|
/**
|
|
* Test if visitor's IP is authorized to upload at all.
|
|
*
|
|
* @param $cfg configuration
|
|
* @param $challengedIp IP to be challenged
|
|
* @return true if IP is authorized, false otherwise.
|
|
*/
|
|
function jirafeau_challenge_upload_ip($cfg, $challengedIp)
|
|
{
|
|
// If no IP address have been listed, allow upload from any IP
|
|
if (!jirafeau_upload_has_ip_restriction($cfg)) {
|
|
return true;
|
|
}
|
|
return jirafeau_challenge_ip($cfg['upload_ip'], $challengedIp);
|
|
}
|
|
|
|
/**
|
|
* Test if visitor's IP is authorized to upload without a password.
|
|
*
|
|
* @param $cfg configuration
|
|
* @param $challengedIp IP to be challenged
|
|
* @return true if IP is authorized, false otherwise.
|
|
*/
|
|
function jirafeau_challenge_upload_ip_without_password($cfg, $challengedIp)
|
|
{
|
|
return jirafeau_challenge_ip($cfg['upload_ip_nopassword'], $challengedIp);
|
|
}
|
|
|
|
/**
|
|
* Test if visitor's IP is authorized or password is supplied and authorized
|
|
* @param $ip IP to be challenged
|
|
* @param $password password to be challenged
|
|
* @return true if access is valid, false otherwise.
|
|
*/
|
|
function jirafeau_challenge_upload($cfg, $ip, $password)
|
|
{
|
|
return jirafeau_challenge_upload_ip_without_password($cfg, $ip) ||
|
|
(!jirafeau_has_upload_password($cfg) && !jirafeau_upload_has_ip_restriction($cfg)) ||
|
|
(jirafeau_challenge_upload_password($cfg, $password) && jirafeau_challenge_upload_ip($cfg, $ip));
|
|
}
|
|
|
|
/** Tell if we have some HTTP headers generated by a proxy */
|
|
function has_http_forwarded()
|
|
{
|
|
return
|
|
!empty($_SERVER['HTTP_X_FORWARDED_FOR']) ||
|
|
!empty($_SERVER['http_X_forwarded_for']);
|
|
}
|
|
|
|
/**
|
|
* Generate IP list from HTTP headers generated by a proxy
|
|
* @return array of IP strings
|
|
*/
|
|
function get_ip_list_http_forwarded()
|
|
{
|
|
$ip_list = array();
|
|
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
|
|
$l = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
|
|
if ($l === false) {
|
|
return array();
|
|
}
|
|
foreach ($l as $ip) {
|
|
array_push($ip_list, preg_replace('/\s+/', '', $ip));
|
|
}
|
|
}
|
|
if (!empty($_SERVER['http_X_forwarded_for'])) {
|
|
$l = explode(',', $_SERVER['http_X_forwarded_for']);
|
|
foreach ($l as $ip) {
|
|
// Separate IP from port
|
|
$ipa = explode(':', $ip);
|
|
if ($ipa === false) {
|
|
continue;
|
|
}
|
|
$ip = $ipa[0];
|
|
array_push($ip_list, preg_replace('/\s+/', '', $ip));
|
|
}
|
|
}
|
|
return $ip_list;
|
|
}
|
|
|
|
/**
|
|
* Get the ip address of the client from REMOTE_ADDR
|
|
* or from HTTP_X_FORWARDED_FOR if behind a proxy
|
|
* @returns the client ip address
|
|
*/
|
|
function get_ip_address($cfg)
|
|
{
|
|
$remote = $_SERVER['REMOTE_ADDR'];
|
|
if (count($cfg['proxy_ip']) == 0 || !has_http_forwarded()) {
|
|
return $remote;
|
|
}
|
|
|
|
$ip_list = get_ip_list_http_forwarded();
|
|
if (count($ip_list) == 0) {
|
|
return $remote;
|
|
}
|
|
|
|
foreach ($cfg['proxy_ip'] as $proxy_ip) {
|
|
if ($remote != $proxy_ip) {
|
|
continue;
|
|
}
|
|
// Take the last IP (the one which has been set by the defined proxy).
|
|
return end($ip_list);
|
|
}
|
|
return $remote;
|
|
}
|
|
|
|
/**
|
|
* Convert hexadecimal string to base64
|
|
*/
|
|
function hex_to_base64($hex)
|
|
{
|
|
$b = '';
|
|
foreach (str_split($hex, 2) as $pair) {
|
|
$b .= chr(hexdec($pair));
|
|
}
|
|
return base64_encode($b);
|
|
}
|
|
|
|
/**
|
|
* Replace markers in templates.
|
|
*
|
|
* Available markers have the scheme "###MARKERNAME###".
|
|
*
|
|
* @param $content string Template text with markers
|
|
* @param $htmllinebreaks boolean Convert linebreaks to BR-Tags
|
|
* @return Template with replaced markers
|
|
*/
|
|
function jirafeau_replace_markers($content, $htmllinebreaks = false)
|
|
{
|
|
$patterns = array(
|
|
'/###ORGANISATION###/',
|
|
'/###CONTACTPERSON###/',
|
|
'/###WEBROOT###/'
|
|
);
|
|
$replacements = array(
|
|
$GLOBALS['cfg']['organisation'],
|
|
$GLOBALS['cfg']['contactperson'],
|
|
$GLOBALS['cfg']['web_root']
|
|
);
|
|
$content = preg_replace($patterns, $replacements, $content);
|
|
|
|
if (true === $htmllinebreaks) {
|
|
$content = nl2br($content);
|
|
}
|
|
|
|
return $content;
|
|
}
|
|
|
|
function jirafeau_escape($string)
|
|
{
|
|
return htmlspecialchars($string, ENT_QUOTES);
|
|
}
|
|
|
|
function jirafeau_admin_session_start()
|
|
{
|
|
$_SESSION['admin_auth'] = true;
|
|
$_SESSION['admin_csrf'] = md5(uniqid(mt_rand(), true));
|
|
}
|
|
|
|
function jirafeau_admin_session_end()
|
|
{
|
|
$_SESSION = array();
|
|
session_destroy();
|
|
}
|
|
|
|
function jirafeau_admin_session_logged()
|
|
{
|
|
return isset($_SESSION['admin_auth']) &&
|
|
isset($_SESSION['admin_csrf']) &&
|
|
isset($_POST['admin_csrf']) &&
|
|
$_SESSION['admin_auth'] === true &&
|
|
$_SESSION['admin_csrf'] === $_POST['admin_csrf'];
|
|
}
|
|
|
|
function jirafeau_admin_csrf_field()
|
|
{
|
|
return "<input type='hidden' name='admin_csrf' value='". $_SESSION['admin_csrf'] . "'/>";
|
|
}
|
|
|
|
function jirafeau_dir_size($dir)
|
|
{
|
|
$size = 0;
|
|
foreach (glob(rtrim($dir, '/').'/*', GLOB_NOSORT) as $entry) {
|
|
$size += is_file($entry) ? filesize($entry) : jirafeau_dir_size($entry);
|
|
}
|
|
return $size;
|
|
}
|
|
|
|
function jirafeau_export_cfg($cfg)
|
|
{
|
|
$content = '<?php' . NL;
|
|
$content .= '/* This file was generated by the install process. ' .
|
|
'You can edit it. Please see config.original.php to understand the ' .
|
|
'configuration items. */' . NL;
|
|
$content .= '$cfg = ' . var_export($cfg, true) . ';';
|
|
|
|
$fileWrite = file_put_contents(JIRAFEAU_CFG, $content);
|
|
|
|
if (false === $fileWrite) {
|
|
jirafeau_fatal_error(t('Can not write local configuration file'));
|
|
}
|
|
}
|
|
|
|
function jirafeau_mkdir($path)
|
|
{
|
|
return !(!file_exists($path) && !@mkdir($path, 0755));
|
|
}
|
|
|
|
/**
|
|
* Returns true whether the path is writable or we manage to make it
|
|
* so, which essentially is the same thing.
|
|
* @param $path is the file or directory to be tested.
|
|
* @return true if $path is writable.
|
|
*/
|
|
function jirafeau_is_writable($path)
|
|
{
|
|
/* "@" gets rid of error messages. */
|
|
return is_writable($path) || @chmod($path, 0777);
|
|
}
|
|
|
|
function jirafeau_check_var_dir($path)
|
|
{
|
|
$mkdir_str1 = t('CANNOT_CREATE_DIR') . ':';
|
|
$mkdir_str2 = t('MANUAL_CREATE');
|
|
$write_str1 = t('DIR_NOT_W') . ':';
|
|
$write_str2 = t('You should give the write permission to the web server on ' .
|
|
'this directory.');
|
|
$solution_str = t('HERE_SOLUTION') . ':';
|
|
|
|
if (!jirafeau_mkdir($path) || !jirafeau_is_writable($path)) {
|
|
return array('has_error' => true,
|
|
'why' => $mkdir_str1 . '<br /><code>' .
|
|
$path . '</code><br />' . $solution_str .
|
|
'<br />' . $mkdir_str2);
|
|
}
|
|
|
|
foreach (array('files', 'links', 'async') as $subdir) {
|
|
$subpath = $path.$subdir;
|
|
|
|
if (!jirafeau_mkdir($subpath) || !jirafeau_is_writable($subpath)) {
|
|
return array('has_error' => true,
|
|
'why' => $mkdir_str1 . '<br /><code>' .
|
|
$subpath . '</code><br />' . $solution_str .
|
|
'<br />' . $mkdir_str2);
|
|
}
|
|
}
|
|
|
|
return array('has_error' => false, 'why' => '');
|
|
}
|
|
|
|
function jirafeau_add_ending_slash($path)
|
|
{
|
|
return $path . ((substr($path, -1) == '/') ? '' : '/');
|
|
}
|
|
|
|
function jirafeau_default_web_root()
|
|
{
|
|
return $_SERVER['HTTP_HOST'] . str_replace('install.php', '', $_SERVER['REQUEST_URI']);
|
|
}
|