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<?php
namespace Shaarli\Api;
use Shaarli\Base64Url;
/**
* Class ApiUtilsTest
*/
class ApiUtilsTest extends \PHPUnit_Framework_TestCase
{
/**
* Force the timezone for ISO datetimes.
*/
public static function setUpBeforeClass()
{
date_default_timezone_set('UTC');
}
/**
* Generate a valid JWT token.
*
* @param string $secret API secret used to generate the signature.
*
* @return string Generated token.
*/
public static function generateValidJwtToken($secret)
{
$header = Base64Url::encode('{
"typ": "JWT",
"alg": "HS512"
}');
$payload = Base64Url::encode('{
"iat": '. time() .'
}');
$signature = Base64Url::encode(hash_hmac('sha512', $header .'.'. $payload , $secret, true));
return $header .'.'. $payload .'.'. $signature;
}
/**
* Generate a JWT token from given header and payload.
*
* @param string $header Header in JSON format.
* @param string $payload Payload in JSON format.
* @param string $secret API secret used to hash the signature.
*
* @return string JWT token.
*/
public static function generateCustomJwtToken($header, $payload, $secret)
{
$header = Base64Url::encode($header);
$payload = Base64Url::encode($payload);
$signature = Base64Url::encode(hash_hmac('sha512', $header . '.' . $payload, $secret, true));
return $header . '.' . $payload . '.' . $signature;
}
/**
* Test validateJwtToken() with a valid JWT token.
*/
public function testValidateJwtTokenValid()
{
$secret = 'WarIsPeace';
ApiUtils::validateJwtToken(self::generateValidJwtToken($secret), $secret);
}
/**
* Test validateJwtToken() with a malformed JWT token.
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Malformed JWT token
*/
public function testValidateJwtTokenMalformed()
{
$token = 'ABC.DEF';
ApiUtils::validateJwtToken($token, 'foo');
}
/**
* Test validateJwtToken() with an empty JWT token.
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Malformed JWT token
*/
public function testValidateJwtTokenMalformedEmpty()
{
$token = false;
ApiUtils::validateJwtToken($token, 'foo');
}
/**
* Test validateJwtToken() with a JWT token without header.
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Malformed JWT token
*/
public function testValidateJwtTokenMalformedEmptyHeader()
{
$token = '.payload.signature';
ApiUtils::validateJwtToken($token, 'foo');
}
/**
* Test validateJwtToken() with a JWT token without payload
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Malformed JWT token
*/
public function testValidateJwtTokenMalformedEmptyPayload()
{
$token = 'header..signature';
ApiUtils::validateJwtToken($token, 'foo');
}
/**
* Test validateJwtToken() with a JWT token with an empty signature.
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Invalid JWT signature
*/
public function testValidateJwtTokenInvalidSignatureEmpty()
{
$token = 'header.payload.';
ApiUtils::validateJwtToken($token, 'foo');
}
/**
* Test validateJwtToken() with a JWT token with an invalid signature.
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Invalid JWT signature
*/
public function testValidateJwtTokenInvalidSignature()
{
$token = 'header.payload.nope';
ApiUtils::validateJwtToken($token, 'foo');
}
/**
* Test validateJwtToken() with a JWT token with a signature generated with the wrong API secret.
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Invalid JWT signature
*/
public function testValidateJwtTokenInvalidSignatureSecret()
{
ApiUtils::validateJwtToken(self::generateValidJwtToken('foo'), 'bar');
}
/**
* Test validateJwtToken() with a JWT token with a an invalid header (not JSON).
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Invalid JWT header
*/
public function testValidateJwtTokenInvalidHeader()
{
$token = $this->generateCustomJwtToken('notJSON', '{"JSON":1}', 'secret');
ApiUtils::validateJwtToken($token, 'secret');
}
/**
* Test validateJwtToken() with a JWT token with a an invalid payload (not JSON).
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Invalid JWT payload
*/
public function testValidateJwtTokenInvalidPayload()
{
$token = $this->generateCustomJwtToken('{"JSON":1}', 'notJSON', 'secret');
ApiUtils::validateJwtToken($token, 'secret');
}
/**
* Test validateJwtToken() with a JWT token without issued time.
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Invalid JWT issued time
*/
public function testValidateJwtTokenInvalidTimeEmpty()
{
$token = $this->generateCustomJwtToken('{"JSON":1}', '{"JSON":1}', 'secret');
ApiUtils::validateJwtToken($token, 'secret');
}
/**
* Test validateJwtToken() with an expired JWT token.
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Invalid JWT issued time
*/
public function testValidateJwtTokenInvalidTimeExpired()
{
$token = $this->generateCustomJwtToken('{"JSON":1}', '{"iat":' . (time() - 600) . '}', 'secret');
ApiUtils::validateJwtToken($token, 'secret');
}
/**
* Test validateJwtToken() with a JWT token issued in the future.
*
* @expectedException \Shaarli\Api\Exceptions\ApiAuthorizationException
* @expectedExceptionMessage Invalid JWT issued time
*/
public function testValidateJwtTokenInvalidTimeFuture()
{
$token = $this->generateCustomJwtToken('{"JSON":1}', '{"iat":' . (time() + 60) . '}', 'secret');
ApiUtils::validateJwtToken($token, 'secret');
}
}
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