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fix: Adapt Duplicati.php to new auth endpoint using JWT #812

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Merged
mvdkleijn merged 1 commit into from
Feb 15, 2025
Merged

fix: Adapt Duplicati.php to new auth endpoint using JWT #812

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100 changes: 31 additions & 69 deletions Duplicati/Duplicati.php
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Original file line number Diff line number Diff line change
Expand Up @@ -30,31 +30,44 @@ public function test()
public function auth()
{
// Auth flow references
// https://github.com/duplicati/duplicati/blob/master/Duplicati/Server/webroot/login/login.js
// https://github.com/Pectojin/duplicati-client/blob/master/auth.py
// https://github.com/duplicati/duplicati/blob/master/Duplicati/WebserverCore/Endpoints/V1/Auth.cs
// https://github.com/duplicati/duplicati/blob/master/Duplicati/WebserverCore/Middlewares/JWTProvider.cs
$body = json_encode(["password" => $this->config->password]);

$noncedPassword = $this->getNoncedPassword($this->config->password);

$passAttrs = [
"body" => "password=" . urlencode($noncedPassword),
"cookies" => $this->jar,
$vars = [
"http_errors" => false,
"timeout" => 5,
"body" => $body,
"cookies" => $this->jar, // Store cookies for session handling
"headers" => [
"content-type" => "application/x-www-form-urlencoded"
"Content-Type" => "application/json",
],
];

$passResponse = parent::execute(
$this->url("login.cgi"),
$passAttrs,
null,

$result = parent::execute(
$this->url("api/v1/auth/login"),
[],
$vars,
"POST"
);

if (null === $passResponse || $passResponse->getStatusCode() !== 200) {
if ($result === null) {
throw new Exception("Could not connect to Duplicati");
}

$responseBody = $result->getBody()->getContents();


$response = json_decode($responseBody, true);

if (null === $response || $result->getStatusCode() !== 200 || !isset($response['AccessToken'])) {
throw new Exception("Error logging in");
}

return $passResponse;
$this->config->jwt = $response['AccessToken']; // Store the token correctly
return $response['AccessToken'];
}

public function livestats()
Expand Down Expand Up @@ -85,65 +98,14 @@ public function url($endpoint)
return $api_url;
}

private function getNoncedPassword($password)
{

$nonceDetails = $this->getNonce();

$nonce = $nonceDetails["Nonce"];
$salt = $nonceDetails["Salt"];

// Prepare nonced+salted password
$encodedPassword = mb_convert_encoding($password, 'UTF-8', 'ISO-8859-1');

$saltedPasssword = $encodedPassword . base64_decode($salt);

$hashedSaltedPassword = hash('sha256', $saltedPasssword, true);

$nonceAndPass = base64_decode($nonce) . $hashedSaltedPassword;

$hashedNoncedPassword = hash('sha256', $nonceAndPass, true);

$encodedHashedNoncedPassword = base64_encode($hashedNoncedPassword);

return $encodedHashedNoncedPassword;
}

private function getNonce()
{
$nonceAttrs = [
"body" => "get-nonce=1",
"cookies" => $this->jar,
"headers" => [
"content-type" => "application/x-www-form-urlencoded"
],
];

$nonceResponse = parent::execute(
$this->url("login.cgi"),
$nonceAttrs,
null,
"POST"
);

if (null === $nonceResponse || $nonceResponse->getStatusCode() !== 200) {
throw new Exception("Error getting nonce");
}

$nonceBody = $nonceResponse->getBody();
$nonceBodyData = $nonceBody->read(50 * 1024);
$nonceDetails = json_decode(preg_replace('/[\x00-\x1F\x80-\xFF]/', '', $nonceBodyData), true);

return $nonceDetails;
}

private function getServerState()
{
$attrs = [
"cookies" => $this->jar,
"headers" => [
"content-type" => "application/json",
"X-XSRF-Token" => urldecode($this->jar->getCookieByName("xsrf-token")->getValue())
"Content-Type" => "application/json",
"Authorization" => "Bearer " . $this->config->jwt, // Add JWT token
],
];
$result = parent::execute(
Expand Down Expand Up @@ -197,11 +159,11 @@ private function getDateDiff($time1, $time2, $precision = 1)

// If time1 > time2 then swap the 2 values
if ($time1 > $time2) {
list( $time1, $time2 ) = array( $time2, $time1 );
list($time1, $time2) = array($time2, $time1);
}

// Set up intervals and diffs arrays
$intervals = array( 'year', 'month', 'day', 'hour', 'minute', 'second' );
$intervals = array('year', 'month', 'day', 'hour', 'minute', 'second');
$diffs = array();

foreach ($intervals as $interval) {
Expand All @@ -219,7 +181,7 @@ private function getDateDiff($time1, $time2, $precision = 1)
}

$time1 = strtotime("+" . $looped . " " . $interval, $time1);
$diffs[ $interval ] = $looped;
$diffs[$interval] = $looped;
}

$count = 0;
Expand Down