';
echo '| ' .
- '' . htmlspecialchars($l['file_name']) . '';
+ '' . jirafeau_escape($l['file_name']) . '';
echo ' | ';
- echo '' . $l['mime_type'] . ' | ';
+ echo '' . jirafeau_escape($l['mime_type']) . ' | ';
echo '' . jirafeau_human_size($l['file_size']) . ' | ';
echo '' . ($l['time'] == -1 ? 'â' : jirafeau_get_datetimefield($l['time'])) . ' | ';
echo '';
@@ -621,17 +630,20 @@ function jirafeau_admin_list($name, $file_hash, $link_hash)
'' .
'' .
'' .
' | ';
echo '
';
@@ -1062,23 +1074,22 @@ function jirafeau_challenge_upload_password($cfg, $password)
}
/**
- * Test if visitor's IP is authorized to upload.
- * @param $ip IP to be challenged
+ * Test if the given IP is whitelisted by the given list.
+ *
+ * @param $allowedIpList array of allowed IPs
+ * @param $challengedIp IP to be challenged
* @return true if IP is authorized, false otherwise.
*/
-function jirafeau_challenge_upload_ip($cfg, $ip)
+function jirafeau_challenge_ip($allowedIpList, $challengedIp)
{
- if (count($cfg['upload_ip']) == 0) {
- return true;
- }
- foreach ($cfg['upload_ip'] as $i) {
- if ($i == $ip) {
+ foreach ($allowedIpList as $i) {
+ if ($i == $challengedIp) {
return true;
}
// CIDR test for IPv4 only.
if (strpos($i, '/') !== false) {
list($subnet, $mask) = explode('/', $i);
- if ((ip2long($ip) & ~((1 << (32 - $mask)) - 1)) == ip2long($subnet)) {
+ if ((ip2long($challengedIp) & ~((1 << (32 - $mask)) - 1)) == ip2long($subnet)) {
return true;
}
}
@@ -1086,6 +1097,42 @@ function jirafeau_challenge_upload_ip($cfg, $ip)
return false;
}
+/**
+ * Check if Jirafeau has a restriction on the IP address for uploading.
+ * @return true if uploading is IP restricted, false otherwise.
+ */
+function jirafeau_upload_has_ip_restriction($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 $ip IP to be challenged
@@ -1094,35 +1141,9 @@ function jirafeau_challenge_upload_ip($cfg, $ip)
*/
function jirafeau_challenge_upload ($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, $ip));
}
/** Tell if we have some HTTP headers generated by a proxy */
@@ -1203,185 +1224,6 @@ function hex_to_base64($hex)
return base64_encode($b);
}
-/**
- * Read alias informations
- * @return array containing informations.
- */
-function jirafeau_get_alias($hash)
-{
- $out = array();
- $link = VAR_ALIAS . s2p("$hash") . $hash;
-
- if (!file_exists($link)) {
- return $out;
- }
-
- $c = file($link);
- $out['md5_password'] = trim($c[0]);
- $out['ip'] = trim($c[1]);
- $out['update_date'] = trim($c[2]);
- $out['destination'] = trim($c[3], NL);
-
- return $out;
-}
-
-/** Create an alias to a jirafeau's link.
- * @param $alias alias name
- * @param $destination reference of the destination
- * @param $password password to protect alias
- * @param $ip client's IP
- * @return a string containing the edit code of the alias or the string "Error"
- */
-function jirafeau_alias_create($alias, $destination, $password, $ip)
-{
- /* Check that alias and password are long enough. */
- if (strlen($alias) < 8 ||
- strlen($alias) > 32 ||
- strlen($password) < 8 ||
- strlen($password) > 32) {
- return 'Error';
- }
-
- /* Check that destination exists. */
- $l = jirafeau_get_link($destination);
- if (!count($l)) {
- return 'Error';
- }
-
- /* Check that alias does not already exists. */
- $alias = md5($alias);
- $p = VAR_ALIAS . s2p($alias);
- if (file_exists($p)) {
- return 'Error';
- }
-
- /* Create alias folder. */
- @mkdir($p, 0755, true);
- if (!file_exists($p)) {
- return 'Error';
- }
-
- /* Generate password. */
- $md5_password = md5($password);
-
- /* Store informations. */
- $p .= $alias;
- $handle = fopen($p, 'w');
- fwrite($handle,
- $md5_password . NL .
- $ip . NL .
- time() . NL .
- $destination . NL);
- fclose($handle);
-
- return 'Ok';
-}
-
-/** Update an alias.
- * @param $alias alias to update
- * @param $destination reference of the new destination
- * @param $password password to protect alias
- * @param $new_password optional new password to protect alias
- * @param $ip client's IP
- * @return "Ok" or "Error" string
- */
-function jirafeau_alias_update($alias, $destination, $password,
- $new_password, $ip)
-{
- $alias = md5($alias);
- /* Check that alias exits. */
- $a = jirafeau_get_alias($alias);
- if (!count($a)) {
- return 'Error';
- }
-
- /* Check that destination exists. */
- $l = jirafeau_get_link($a["destination"]);
- if (!count($l)) {
- return 'Error';
- }
-
- /* Check password. */
- if ($a["md5_password"] != md5($password)) {
- return 'Error';
- }
-
- $p = $a['md5_password'];
- if (strlen($new_password) >= 8 &&
- strlen($new_password) <= 32) {
- $p = md5($new_password);
- } elseif (strlen($new_password) > 0) {
- return 'Error';
- }
-
- /* Rewrite informations. */
- $p = VAR_ALIAS . s2p($alias) . $alias;
- $handle = fopen($p, 'w');
- fwrite($handle,
- $p . NL .
- $ip . NL .
- time() . NL .
- $destination . NL);
- fclose($handle);
- return 'Ok';
-}
-
-/** Get an alias.
- * @param $alias alias to get
- * @return alias destination or "Error" string
- */
-function jirafeau_alias_get($alias)
-{
- $alias = md5($alias);
- /* Check that alias exits. */
- $a = jirafeau_get_alias($alias);
- if (!count($a)) {
- return 'Error';
- }
-
- return $a['destination'];
-}
-
-function jirafeau_clean_rm_alias($alias)
-{
- $p = s2p("$alias");
- if (file_exists(VAR_ALIAS . $p . $alias)) {
- unlink(VAR_ALIAS . $p . $alias);
- }
- $parse = VAR_ALIAS . $p;
- $scan = array();
- while (file_exists($parse)
- && ($scan = scandir($parse))
- && count($scan) == 2 // '.' and '..' folders => empty.
- && basename($parse) != basename(VAR_ALIAS)) {
- rmdir($parse);
- $parse = substr($parse, 0, strlen($parse) - strlen(basename($parse)) - 1);
- }
-}
-
-/** Delete an alias.
- * @param $alias alias to delete
- * @param $password password to protect alias
- * @return "Ok" or "Error" string
- */
-function jirafeau_alias_delete($alias, $password)
-{
- $alias = md5($alias);
- /* Check that alias exits. */
- $a = jirafeau_get_alias($alias);
- if (!count($a)) {
- return "Error";
- }
-
- /* Check password. */
- if ($a["md5_password"] != md5($password)) {
- return 'Error';
- }
-
- jirafeau_clean_rm_alias($alias);
- return 'Ok';
-}
-
/**
* Replace markers in templates.
*
@@ -1411,3 +1253,34 @@ function jirafeau_replace_markers($content, $htmllinebreaks = false)
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 "