*/
function s2p($s)
{
+ $block_size = 8;
$p = '';
for ($i = 0; $i < strlen($s); $i++) {
- $p .= $s{$i} . '/';
+ $p .= $s{$i};
+ if (($i + 1) % $block_size == 0) {
+ $p .= '/';
+ }
+ }
+ if (strlen($s) % $block_size != 0) {
+ $p .= '/';
}
return $p;
}
}
}
-function jirafeau_clean_rm_file($md5)
+function jirafeau_clean_rm_file($hash)
{
- $p = s2p("$md5");
- $f = VAR_FILES . $p . $md5;
+ $p = s2p("$hash");
+ $f = VAR_FILES . $p . $hash;
if (file_exists($f) && is_file($f)) {
unlink($f);
}
jirafeau_clean_rm_link($link);
- $md5 = $l['md5'];
- $p = s2p("$md5");
+ $hash = $l['hash'];
+ $p = s2p("$hash");
$counter = 1;
- if (file_exists(VAR_FILES . $p . $md5. '_count')) {
- $content = file(VAR_FILES . $p . $md5. '_count');
+ if (file_exists(VAR_FILES . $p . $hash. '_count')) {
+ $content = file(VAR_FILES . $p . $hash. '_count');
$counter = trim($content[0]);
}
$counter--;
if ($counter >= 1) {
- $handle = fopen(VAR_FILES . $p . $md5. '_count', 'w');
+ $handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
fwrite($handle, $counter);
fclose($handle);
}
if ($counter == 0) {
- jirafeau_clean_rm_file($md5);
+ jirafeau_clean_rm_file($hash);
}
}
/**
* Delete a file and it's links.
*/
-function jirafeau_delete_file($md5)
+function jirafeau_delete_file($hash)
{
$count = 0;
/* Get all links files. */
if (!count($l)) {
continue;
}
- if ($l['md5'] == $md5) {
+ if ($l['hash'] == $hash) {
$count++;
jirafeau_delete_link($node);
}
}
}
}
- jirafeau_clean_rm_file($md5);
+ jirafeau_clean_rm_file($hash);
return $count;
}
+
+/** hash file's content
+ * @param $method hash method, see 'file_hash' option. 'md5' or 'md5_outside'.
+ * @param $file_path file to hash
+ * @returns hash string
+ */
+function jirafeau_hash_file($method, $file_path)
+{
+ switch ($method) {
+ case 'md5_outside':
+ return jirafeau_md5_outside($file_path);
+ case 'md5':
+ return md5_file($file_path);
+ }
+ return md5_file($file_path);
+}
+
+/** hash part of file: start, end and size.
+ * This is a partial file hash, faster but weaker.
+ * @param $file_path file to hash
+ * @returns hash string
+ */
+function jirafeau_md5_outside($file_path)
+{
+ $size = filesize($file_path);
+ if ($size === false) {
+ $size = 0;
+ }
+ $handle = fopen($file_path, "r");
+ if ($handle === false) {
+ return false;
+ }
+ $first = fread($handle, 64);
+ if ($first === false) {
+ return false;
+ }
+ fseek($handle, $size < 64 ? 0 : $size - 64);
+ $last = fread($handle, 64);
+ fclose($handle);
+ return md5($first . $last . $size);
+}
+
/**
* handles an uploaded file
* @param $file the file struct given by $_FILE[]
* 'link' => the link name of the uploaded file
* 'delete_link' => the link code to delete file
*/
-function jirafeau_upload($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length)
+function jirafeau_upload($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length, $file_hash_method)
{
if (empty($file['tmp_name']) || !is_uploaded_file($file['tmp_name'])) {
return (array(
}
/* file informations */
- $md5 = md5_file($file['tmp_name']);
+ $hash = jirafeau_hash_file($file_hash_method, $file['tmp_name']);
$name = str_replace(NL, '', trim($file['name']));
$mime_type = $file['type'];
$size = $file['size'];
/* does file already exist ? */
$rc = false;
- $p = s2p("$md5");
- if (file_exists(VAR_FILES . $p . $md5)) {
+ $p = s2p("$hash");
+ if (file_exists(VAR_FILES . $p . $hash)) {
$rc = unlink($file['tmp_name']);
} elseif ((file_exists(VAR_FILES . $p) || @mkdir(VAR_FILES . $p, 0755, true))
- && move_uploaded_file($file['tmp_name'], VAR_FILES . $p . $md5)) {
+ && move_uploaded_file($file['tmp_name'], VAR_FILES . $p . $hash)) {
$rc = true;
}
if (!$rc) {
/* Increment or create count file. */
$counter = 0;
- if (file_exists(VAR_FILES . $p . $md5 . '_count')) {
- $content = file(VAR_FILES . $p . $md5. '_count');
+ 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 . $md5. '_count', 'w');
+ $handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
fwrite($handle, $counter);
fclose($handle);
/* Create delete code. */
$delete_link_code = jirafeau_gen_random(5);
- /* md5 password or empty. */
+ /* hash password or empty. */
$password = '';
if (!empty($key)) {
$password = md5($key);
}
/* create link file */
- $link_tmp_name = VAR_LINKS . $md5 . rand(0, 10000) . '.tmp';
+ $link_tmp_name = VAR_LINKS . $hash . rand(0, 10000) . '.tmp';
$handle = fopen($link_tmp_name, 'w');
fwrite($handle,
$name . NL. $mime_type . NL. $size . NL. $password . NL. $time .
- NL . $md5. NL . ($one_time_download ? 'O' : 'R') . NL . time() .
+ NL . $hash. NL . ($one_time_download ? 'O' : 'R') . NL . time() .
NL . $ip . NL. $delete_link_code . NL . ($crypted ? 'C' : 'O'));
fclose($handle);
- $md5_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
- $l = s2p("$md5_link");
+ $hash_link = substr(base_16_to_64(md5_file($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 . $md5_link)) {
+ !rename($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 . $md5. '_count', 'w');
+ $handle = fopen(VAR_FILES . $p . $hash. '_count', 'w');
fwrite($handle, $counter);
fclose($handle);
} else {
- jirafeau_clean_rm_file($md5_link);
+ jirafeau_clean_rm_file($hash_link);
}
return array(
'error' =>
'delete_link' => '');
}
return array( 'error' => $noerr,
- 'link' => $md5_link,
+ 'link' => $hash_link,
'delete_link' => $delete_link_code,
'crypt_key' => $crypt_key);
}
exit;
}
- /* check if the destination dirs are writable */
- $writable = is_writable(VAR_FILES) && is_writable(VAR_LINKS);
-
/* Checking for errors. */
if (!is_writable(VAR_FILES)) {
- add_error(t('The file directory is not writable!'), VAR_FILES);
+ add_error(t('FILE_DIR_W'), VAR_FILES);
}
if (!is_writable(VAR_LINKS)) {
- add_error(t('The link directory is not writable!'), VAR_LINKS);
+ add_error(t('LINK_DIR_W'), VAR_LINKS);
}
if (!is_writable(VAR_ASYNC)) {
$out['file_size'] = trim($c[2]);
$out['key'] = trim($c[3], NL);
$out['time'] = trim($c[4]);
- $out['md5'] = trim($c[5]);
+ $out['hash'] = trim($c[5]);
$out['onetime'] = trim($c[6]);
$out['upload_date'] = trim($c[7]);
$out['ip'] = trim($c[8]);
echo t('LS_FILES');
}
echo '</legend>';
- echo '<table>';
+ echo '<table border="1" width="1100">';
echo '<tr>';
- echo '<td>' . t('FILENAME') . '</td>';
- echo '<td>' . t('TYPE') . '</td>';
- echo '<td>' . t('SIZE') . '</td>';
- echo '<td>' . t('EXPIRE') . '</td>';
- echo '<td>' . t('ONETIME') . '</td>';
- echo '<td>' . t('UPLOAD_DATE') . '</td>';
- echo '<td>' . t('ORIGIN') . '</td>';
- echo '<td>' . t('ACTION') . '</td>';
+ echo '<th>' . t('FILENAME') . '</th>';
+ echo '<th>' . t('TYPE') . '</th>';
+ echo '<th>' . t('SIZE') . '</th>';
+ echo '<th>' . t('EXPIRE') . '</th>';
+ echo '<th>' . t('ONETIME') . '</th>';
+ echo '<th>' . t('UPLOAD_DATE') . '</th>';
+ echo '<th>' . t('ORIGIN') . '</th>';
+ echo '<th>' . t('ACTION') . '</th>';
echo '</tr>';
/* Get all links files. */
if (!empty($name) && !@preg_match("/$name/i", jirafeau_escape($l['file_name']))) {
continue;
}
- if (!empty($file_hash) && $file_hash != $l['md5']) {
+ if (!empty($file_hash) && $file_hash != $l['hash']) {
continue;
}
if (!empty($link_hash) && $link_hash != $node) {
'</form>' .
'<form method="post">' .
'<input type = "hidden" name = "action" value = "delete_file"/>' .
- '<input type = "hidden" name = "md5" value = "' . $l['md5'] . '"/>' .
+ '<input type = "hidden" name = "hash" value = "' . $l['hash'] . '"/>' .
jirafeau_admin_csrf_field() .
'<input type = "submit" value = "' . t('DEL_FILE_LINKS') . '" />' .
'</form>' .
if (!count($l)) {
continue;
}
- $p = s2p($l['md5']);
+ $p = s2p($l['hash']);
if ($l['time'] > 0 && $l['time'] < time() || // expired
- !file_exists(VAR_FILES . $p . $l['md5']) || // invalid
- !file_exists(VAR_FILES . $p . $l['md5'] . '_count')) { // invalid
+ !file_exists(VAR_FILES . $p . $l['hash']) || // invalid
+ !file_exists(VAR_FILES . $p . $l['hash'] . '_count')) { // invalid
jirafeau_delete_link($node);
$count++;
}
* @param $link_name_length link name length
* @return a string containing the download reference followed by a delete code or the string 'Error'
*/
-function jirafeau_async_end($ref, $code, $crypt, $link_name_length)
+function jirafeau_async_end($ref, $code, $crypt, $link_name_length, $file_hash_method)
{
/* Get async infos. */
$a = jirafeau_get_async_ref($ref);
}
}
- $md5 = md5_file($p);
+ $hash = jirafeau_hash_file($file_hash_method, $p);
$size = filesize($p);
- $np = s2p($md5);
+ $np = s2p($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 . $md5)) {
- rename($p, VAR_FILES . $np . $md5);
+ 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 . $md5 . '_count')) {
- $content = file(VAR_FILES . $np . $md5. '_count');
+ 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 . $md5. '_count', 'w');
+ $handle = fopen(VAR_FILES . $np . $hash. '_count', 'w');
fwrite($handle, $counter);
fclose($handle);
/* Create link. */
- $link_tmp_name = VAR_LINKS . $md5 . rand(0, 10000) . '.tmp';
+ $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 . $md5 . NL . $a['onetime'] . 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);
- $md5_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
- $l = s2p("$md5_link");
+ $hash_link = substr(base_16_to_64(md5_file($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 . $md5_link)) {
+ !rename($link_tmp_name, VAR_LINKS . $l . $hash_link)) {
echo "Error";
}
/* Clean async upload. */
jirafeau_async_delete($ref);
- return $md5_link . NL . $delete_link_code . NL . urlencode($crypt_key);
+ return $hash_link . NL . $delete_link_code . NL . urlencode($crypt_key);
}
function jirafeau_crypt_create_iv($base, $size)
$m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
/* Generate key. */
$crypt_key = jirafeau_gen_random(10);
- $md5_key = md5($crypt_key);
- $iv = jirafeau_crypt_create_iv($md5_key, mcrypt_enc_get_iv_size($m));
+ $hash_key = md5($crypt_key);
+ $iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
/* Init module. */
- mcrypt_generic_init($m, $md5_key, $iv);
+ mcrypt_generic_init($m, $hash_key, $iv);
/* Crypt file. */
$r = fopen($fp_src, 'r');
$w = fopen($fp_dst, 'c');
$m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
/* Extract key and iv. */
$crypt_key = $k;
- $md5_key = md5($crypt_key);
- $iv = jirafeau_crypt_create_iv($md5_key, mcrypt_enc_get_iv_size($m));
+ $hash_key = md5($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');
}
/**
- * Test if visitor's IP is authorized to upload.
+ * Test if the given IP is whitelisted by the given list.
*
* @param $allowedIpList array of allowed IPs
* @param $challengedIp IP to be challenged
* @return true if IP is authorized, false otherwise.
*/
-function jirafeau_challenge_upload_ip($allowedIpList, $challengedIp)
+function jirafeau_challenge_ip($allowedIpList, $challengedIp)
{
- // skip if list is empty = all IPs allowed
- if (count($allowedIpList) == 0) {
- return true;
- }
- // test given IP against each allowed IP
foreach ($allowedIpList as $i) {
if ($i == $challengedIp) {
return true;
return false;
}
+/**
+ * Check if Jirafeau has a restriction on the IP address for uploading.
+ * @return true if uploading is IP restricted, false otherwise.
+ */
+function jirafeau_upload_has_ip_restriction($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 $ip IP to be challenged
*/
function jirafeau_challenge_upload ($cfg, $ip, $password)
{
- // Allow if no ip restrictaion and no password restriction
- if ((count ($cfg['upload_ip']) == 0) and (count ($cfg['upload_password']) == 0)) {
- return true;
- }
-
- // Allow if ip is in array
- foreach ($cfg['upload_ip'] as $i) {
- if ($i == $ip) {
- return true;
- }
- // CIDR test for IPv4 only.
- if (strpos ($i, '/') !== false)
- {
- list ($subnet, $mask) = explode('/', $i);
- if ((ip2long ($ip) & ~((1 << (32 - $mask)) - 1) ) == ip2long ($subnet)) {
- return true;
- }
- }
- }
- if (!jirafeau_has_upload_password($cfg)) {
- return false;
- }
-
- foreach ($cfg['upload_password'] as $p) {
- if ($password == $p) {
- return true;
- }
- }
- return false;
+ return jirafeau_challenge_upload_ip_without_password($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 */
git.p6c8.net / jirafeau_project.git / blobdiff