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Merge branch 'develop' of https://github.com/pydio/pydio-core into de…
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…velop
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cdujeu committed Sep 10, 2014
2 parents 8ca8173 + 3261853 commit daa7c64
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Showing 11 changed files with 496 additions and 89 deletions.
2 changes: 1 addition & 1 deletion core/src/plugins/authfront.cas/class.CasAuthFrontend.php
Expand Up @@ -47,7 +47,7 @@ class CasAuthFrontend extends AbstractAuthFrontend
private $cas_additional_role;


function tryToLogUser($httpVars, $isLast = false)
function tryToLogUser(&$httpVars, $isLast = false)
{
$this->loadConfig();

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Expand Up @@ -23,7 +23,7 @@

class BasicHttpAuthFrontend extends AbstractAuthFrontend {

function tryToLogUser($httpVars, $isLast = false){
function tryToLogUser(&$httpVars, $isLast = false){

$localHttpLogin = $_SERVER["PHP_AUTH_USER"];
$localHttpPassw = $_SERVER['PHP_AUTH_PW'];
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Expand Up @@ -23,7 +23,7 @@

class ServerHttpAuthFrontend extends AbstractAuthFrontend {

function tryToLogUser($httpVars, $isLast = false){
function tryToLogUser(&$httpVars, $isLast = false){

$localHttpLogin = $_SERVER["REMOTE_USER"];
$localHttpPassw = isSet($_SERVER['PHP_AUTH_PW']) ? $_SERVER['PHP_AUTH_PW'] : "";
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Expand Up @@ -32,13 +32,13 @@ function init($options){
parent::init($options);
}

function detectVar($httpVars, $varName){
function detectVar(&$httpVars, $varName){
if(isSet($httpVars[$varName])) return $httpVars[$varName];
if(isSet($_SERVER["HTTP_PYDIO_".strtoupper($varName)])) return $_SERVER["HTTP_".strtoupper($varName)];
return "";
}

function tryToLogUser($httpVars, $isLast = false){
function tryToLogUser(&$httpVars, $isLast = false){

$token = $this->detectVar($httpVars, "auth_token");
if(empty($token)){
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161 changes: 161 additions & 0 deletions core/src/plugins/authfront.otp/Google2FA.php
@@ -0,0 +1,161 @@
<?
/**
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* PHP Google two-factor authentication module.
*
* See http://www.idontplaydarts.com/2011/07/google-totp-two-factor-authentication-for-php/
* for more details
*
* @author Phil
**/

class Google2FA {

const keyRegeneration = 30; // Interval between key regeneration
const otpLength = 6; // Length of the Token generated

private static $lut = array( // Lookup needed for Base32 encoding
"A" => 0, "B" => 1,
"C" => 2, "D" => 3,
"E" => 4, "F" => 5,
"G" => 6, "H" => 7,
"I" => 8, "J" => 9,
"K" => 10, "L" => 11,
"M" => 12, "N" => 13,
"O" => 14, "P" => 15,
"Q" => 16, "R" => 17,
"S" => 18, "T" => 19,
"U" => 20, "V" => 21,
"W" => 22, "X" => 23,
"Y" => 24, "Z" => 25,
"2" => 26, "3" => 27,
"4" => 28, "5" => 29,
"6" => 30, "7" => 31
);

/**
* Generates a 16 digit secret key in base32 format
* @return string
**/
public static function generate_secret_key($length = 16) {
$b32 = "234567QWERTYUIOPASDFGHJKLZXCVBNM";
$s = "";

for ($i = 0; $i < $length; $i++)
$s .= $b32[rand(0,31)];
return $s;
}

/**
* Returns the current Unix Timestamp devided by the keyRegeneration
* period.
* @return integer
**/
public static function get_timestamp() {
return floor(microtime(true)/self::keyRegeneration);
}

/**
* Decodes a base32 string into a binary string.
**/
public static function base32_decode($b32) {

$b32 = strtoupper($b32);

if (!preg_match('/^[ABCDEFGHIJKLMNOPQRSTUVWXYZ234567]+$/', $b32, $match))
throw new Exception('Invalid characters in the base32 string.');

$l = strlen($b32);
$n = 0;
$j = 0;
$binary = "";

for ($i = 0; $i < $l; $i++) {

$n = $n << 5; // Move buffer left by 5 to make room
$n = $n + self::$lut[$b32[$i]]; // Add value into buffer
$j = $j + 5; // Keep track of number of bits in buffer

if ($j >= 8) {
$j = $j - 8;
$binary .= chr(($n & (0xFF << $j)) >> $j);
}
}

return $binary;
}

/**
* Takes the secret key and the timestamp and returns the one time
* password.
*
* @param binary $key - Secret key in binary form.
* @param integer $counter - Timestamp as returned by get_timestamp.
* @return string
**/
public static function oath_hotp($key, $counter)
{
if (strlen($key) < 8)
throw new Exception('Secret key is too short. Must be at least 16 base 32 characters');

$bin_counter = pack('N*', 0) . pack('N*', $counter); // Counter must be 64-bit int
$hash = hash_hmac ('sha1', $bin_counter, $key, true);

return str_pad(self::oath_truncate($hash), self::otpLength, '0', STR_PAD_LEFT);
}

/**
* Verifys a user inputted key against the current timestamp. Checks $window
* keys either side of the timestamp.
*
* @param string $b32seed
* @param string $key - User specified key
* @param integer $window
* @param boolean $useTimeStamp
* @return boolean
**/
public static function verify_key($b32seed, $key, $window = 4, $useTimeStamp = true) {

$timeStamp = self::get_timestamp();

if ($useTimeStamp !== true) $timeStamp = (int)$useTimeStamp;

$binarySeed = self::base32_decode($b32seed);

for ($ts = $timeStamp - $window; $ts <= $timeStamp + $window; $ts++)
if (self::oath_hotp($binarySeed, $ts) == $key)
return true;

return false;

}

/**
* Extracts the OTP from the SHA1 hash.
* @param binary $hash
* @return integer
**/
public static function oath_truncate($hash)
{
$offset = ord($hash[19]) & 0xf;

return (
((ord($hash[$offset+0]) & 0x7f) << 24 ) |
((ord($hash[$offset+1]) & 0xff) << 16 ) |
((ord($hash[$offset+2]) & 0xff) << 8 ) |
(ord($hash[$offset+3]) & 0xff)
) % pow(10, self::otpLength);
}
}
21 changes: 0 additions & 21 deletions core/src/plugins/authfront.otp/class.OTP_LoginForm.js
@@ -1,21 +0,0 @@
/*
* Copyright 2007-2013 Charles du Jeu - Abstrium SAS <team (at) pyd.io>
* This file is part of Pydio.
*
* Pydio 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.
*
* Pydio 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 Pydio. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <http://pyd.io/>.
*
*/

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