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JwtUtils: added a split() function to reduce code duplication

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This commit is contained in:
Dylan K. Taylor 2020-06-18 12:05:54 +01:00
parent 222399d178
commit 755e53cd71
1 changed files with 15 additions and 9 deletions
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24
src/network/mcpe/JwtUtils.php
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@ -58,6 +58,19 @@ use const STR_PAD_LEFT;
final class JwtUtils{ final class JwtUtils{
/**
* @return string[]
* @phpstan-return array{string, string, string}
* @throws JwtException
*/
public static function split(string $jwt) : array{
$v = explode(".", $jwt);
if(count($v) !== 3){
throw new JwtException("Expected exactly 3 JWT parts, got " . count($v));
}
return [$v[0], $v[1], $v[2]]; //workaround phpstan bug
}
/** /**
* TODO: replace this result with an object * TODO: replace this result with an object
* *
@ -67,10 +80,7 @@ final class JwtUtils{
* @throws JwtException * @throws JwtException
*/ */
public static function parse(string $token) : array{ public static function parse(string $token) : array{
$v = explode(".", $token); $v = self::split($token);
if(count($v) !== 3){
throw new JwtException("Expected exactly 3 JWT parts, got " . count($v));
}
$header = json_decode(self::b64UrlDecode($v[0]), true); $header = json_decode(self::b64UrlDecode($v[0]), true);
if(!is_array($header)){ if(!is_array($header)){
throw new JwtException("Failed to decode JWT header JSON: " . json_last_error_msg()); throw new JwtException("Failed to decode JWT header JSON: " . json_last_error_msg());
@ -87,11 +97,7 @@ final class JwtUtils{
* @throws JwtException * @throws JwtException
*/ */
public static function verify(string $jwt, PublicKeyInterface $signingKey) : bool{ public static function verify(string $jwt, PublicKeyInterface $signingKey) : bool{
$parts = explode('.', $jwt); [$header, $body, $signature] = self::split($jwt);
if(count($parts) !== 3){
throw new JwtException("Expected exactly 3 JWT parts, got " . count($parts));
}
[$header, $body, $signature] = $parts;
$plainSignature = self::b64UrlDecode($signature); $plainSignature = self::b64UrlDecode($signature);
if(strlen($plainSignature) !== 96){ if(strlen($plainSignature) !== 96){