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[Web] Updated Yubico.php to v2.7 (#3535) 

Source: https://github.com/Yubico/php-yubico/releases/tag/Auth_Yubico-2.7
master
Timo N 2020-05-13 07:03:14 +02:00 committed by GitHub
parent 4ddc54aabc
commit e91fb7ccdd
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 100 additions and 41 deletions
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137
data/web/inc/lib/Yubico.php
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@ -5,7 +5,7 @@
* @category Auth
* @package Auth_Yubico
* @author Simon Josefsson <simon@yubico.com>, Olov Danielson <olov@yubico.com>
* @copyright 2007-2015 Yubico AB
* @copyright 2007-2020 Yubico AB
* @license https://opensource.org/licenses/bsd-license.php New BSD License
* @version 2.0
* @link https://www.yubico.com/
@ -50,12 +50,6 @@ class Auth_Yubico
*/
var $_key;
/**
* URL part of validation server
* @var string
*/
var $_url;
/**
* List with URL part of validation servers
* @var array
@ -80,12 +74,24 @@ class Auth_Yubico
*/
var $_response;
/**
* Number of times we retried in our last validation
* @var int
*/
var $_retries;
/**
* Flag whether to verify HTTPS server certificates or not.
* @var boolean
*/
var $_httpsverify;
/**
* Maximum number of times we will retry transient HTTP errors
* @var int
*/
var $_max_retries;
/**
* Constructor
*
@ -98,39 +104,37 @@ class Auth_Yubico
* default true)
* @access public
*/
public function __construct($id, $key = '', $https = 0, $httpsverify = 1)
public function __construct($id, $key = '', $https = 0, $httpsverify = 1, $max_retries = 3)
{
$this->_id = $id;
$this->_key = base64_decode($key);
$this->_httpsverify = $httpsverify;
$this->_max_retries = $max_retries;
}
/**
* Specify to use a different URL part for verification.
* The default is "api.yubico.com/wsapi/verify".
* The default is "https://api.yubico.com/wsapi/2.0/verify".
*
* @param string $url New server URL part to use
* @access public
* @deprecated
*/
function setURLpart($url)
{
$this->_url = $url;
$this->_url_list = array($url);
}
/**
* Get next URL part from list to use for validation.
*
* @return mixed string with URL part of false if no more URLs in list
* @return mixed string with URL part or false if no more URLs in list
* @access public
*/
function getNextURLpart()
{
if ($this->_url_list) $url_list=$this->_url_list;
else $url_list=array('https://api.yubico.com/wsapi/2.0/verify',
'https://api2.yubico.com/wsapi/2.0/verify',
'https://api3.yubico.com/wsapi/2.0/verify',
'https://api4.yubico.com/wsapi/2.0/verify',
'https://api5.yubico.com/wsapi/2.0/verify');
else $url_list=array('https://api.yubico.com/wsapi/2.0/verify');
if ($this->_url_index>=count($url_list)) return false;
else return $url_list[$this->_url_index++];
@ -178,6 +182,17 @@ class Auth_Yubico
return $this->_response;
}
/**
* Return the number of retries that were used in the last validation
*
* @return int Number of retries
* @access public
*/
function getRetries()
{
return $this->_retries;
}
/**
* Parse input string into password, yubikey prefix,
* ciphertext, and OTP.
@ -238,6 +253,26 @@ class Auth_Yubico
return $param_array;
}
function _make_curl_handle($query, $timeout=null)
{
flush();
$handle = curl_init($query);
curl_setopt($handle, CURLOPT_USERAGENT, "PEAR Auth_Yubico");
curl_setopt($handle, CURLOPT_RETURNTRANSFER, 1);
if (!$this->_httpsverify) {
curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, 0);
}
curl_setopt($handle, CURLOPT_FAILONERROR, true);
/* If timeout is set, we better apply it here as well
* in case the validation server fails to follow it. */
if ($timeout) {
curl_setopt($handle, CURLOPT_TIMEOUT, $timeout);
}
return $handle;
}
/**
* Verify Yubico OTP against multiple URLs
* Protocol specification 2.0 is used to construct validation requests
@ -252,12 +287,19 @@ class Auth_Yubico
* and 100 or "fast" or "secure".
* @param int $timeout Max number of seconds to wait
* for responses
* @param int $max_retries Max number of times we will retry on
* transient errors.
* @return mixed PEAR error on error, true otherwise
* @access public
*/
function verify($token, $use_timestamp=null, $wait_for_all=False,
$sl=null, $timeout=null)
$sl=null, $timeout=null, $max_retries=null)
{
/* If maximum retries is not set, default from instance */
if (is_null($max_retries)) {
$max_retries = $this->_max_retries;
}
/* Construct parameters string */
$ret = $this->parsePasswordOTP($token);
if (!$ret) {
@ -284,10 +326,13 @@ class Auth_Yubico
}
/* Generate and prepare request. */
$this->_lastquery=null;
$this->_lastquery = null;
$this->_retries = 0;
$this->URLreset();
$mh = curl_multi_init();
$ch = array();
$retries = array();
while($URLpart=$this->getNextURLpart())
{
$query = $URLpart . "?" . $parameters;
@ -295,21 +340,11 @@ class Auth_Yubico
if ($this->_lastquery) { $this->_lastquery .= " "; }
$this->_lastquery .= $query;
$handle = curl_init($query);
curl_setopt($handle, CURLOPT_USERAGENT, "PEAR Auth_Yubico");
curl_setopt($handle, CURLOPT_RETURNTRANSFER, 1);
if (!$this->_httpsverify) {
curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, 0);
}
curl_setopt($handle, CURLOPT_FAILONERROR, true);
/* If timeout is set, we better apply it here as well
in case the validation server fails to follow it.
*/
if ($timeout) curl_setopt($handle, CURLOPT_TIMEOUT, $timeout);
$handle = $this->_make_curl_handle($query, $timeout);
curl_multi_add_handle($mh, $handle);
$ch[(int)$handle] = $handle;
$retries[$query] = 0;
}
/* Execute and read request. */
@ -319,19 +354,20 @@ class Auth_Yubico
do {
/* Let curl do its work. */
while (($mrc = curl_multi_exec($mh, $active))
== CURLM_CALL_MULTI_PERFORM)
;
== CURLM_CALL_MULTI_PERFORM) {
curl_multi_select($mh);
}
while ($info = curl_multi_info_read($mh)) {
$cinfo = curl_getinfo ($info['handle']);
if ($info['result'] == CURLE_OK) {
/* We have a complete response from one server. */
$str = curl_multi_getcontent($info['handle']);
$cinfo = curl_getinfo ($info['handle']);
if ($wait_for_all) { # Better debug info
$this->_response .= 'URL=' . $cinfo['url'] ."\n"
$this->_response .= 'URL=' . $cinfo['url'] . ' HTTP_CODE='
. $cinfo['http_code'] . "\n"
. $str . "\n";
}
@ -413,12 +449,35 @@ class Auth_Yubico
if ($valid) return true;
return PEAR::raiseError($status);
}
} else {
/* Some kind of error, but def. not a 200 response */
/* No status= in response body */
$http_status_code = (int)$cinfo['http_code'];
$query = $cinfo['url'];
if ($http_status_code == 400 ||
($http_status_code >= 500 && $http_status_code < 600)) {
/* maybe retry */
if ($retries[$query] < $max_retries) {
$retries[$query]++; // for this server
$this->_retries++; // for this validation attempt
curl_multi_remove_handle($mh, $info['handle']);
curl_close($info['handle']);
unset ($ch[(int)$info['handle']]);
$newhandle = $this->_make_curl_handle($query, $timeout);
curl_multi_add_handle($mh, $newhandle);
$ch[(int)$newhandle] = $newhandle;
// Loop back up to curl_multi_exec, even if this
// was the last handle and curl_multi_exec _was_
// no longer active, it's active again now we've
// added a retry.
$active = true;
}
}
}
curl_multi_select($mh);
/* Done with this handle */
curl_multi_remove_handle($mh, $info['handle']);
curl_close($info['handle']);
unset ($ch[(int)$info['handle']]);
}
} while ($active);