flutter/dart_jsonwebtoken
1
0
Fork 0
mirror of https://github.com/jonasroussel/dart_jsonwebtoken.git synced 2025-07-30 23:42:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

v2.1.0

Browse Source
This commit is contained in:
Jonas Roussel
2021-04-13 18:45:19 +02:00
parent 97950a5d9c
commit 2fcea79c95
4 changed files with 84 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
lib/src/errors.dart
View File

@ -12,19 +12,41 @@ class JWTError extends Error {
/// An error thrown when jwt is invalid
class JWTInvalidError extends JWTError {
JWTInvalidError(String message) : super(message);
@override
String toString() => 'JWTInvalidError: $message';
}
/// An error thrown when jwt is expired
class JWTExpiredError extends JWTError {
JWTExpiredError() : super('jwt expired');
@override
String toString() => 'JWTExpiredError: $message';
}
/// An error thrown when jwt is not active
class JWTNotActiveError extends JWTError {
JWTNotActiveError() : super('jwt not active');
@override
String toString() => 'JWTNotActiveError: $message';
}
/// An error thrown when parsing failed
class JWTParseError extends JWTError {
JWTParseError(String message) : super(message);
@override
String toString() => 'JWTParseError: $message';
}
/// An error thrown by default
class JWTUndefinedError extends JWTError {
JWTUndefinedError(this.error) : super(error.toString());
final Error error;
@override
String toString() => 'JWTUndefinedError: $message';
}

101
lib/src/jwt.dart
View File

@ -20,7 +20,6 @@ class JWT {
bool checkHeaderType = true,
bool checkExpiresIn = true,
bool checkNotBefore = true,
bool throwUndefinedErrors = false,
Duration? issueAt,
String? audience,
String? subject,
@ -129,10 +128,10 @@ class JWT {
return JWT(payload);
}
} catch (ex) {
if (throwUndefinedErrors) {
rethrow;
if (ex is Error) {
throw JWTUndefinedError(ex);
} else {
throw JWTInvalidError('invalid token');
rethrow;
}
}
}
@ -175,56 +174,64 @@ class JWT {
Duration? notBefore,
bool noIssueAt = false,
}) {
final header = {'alg': algorithm.name, 'typ': 'JWT'};
try {
final header = {'alg': algorithm.name, 'typ': 'JWT'};
if (payload is Map<String, dynamic> || payload is Map<dynamic, dynamic>) {
if (payload is Map<String, dynamic> || payload is Map<dynamic, dynamic>) {
try {
payload = Map<String, dynamic>.from(payload);
if (!noIssueAt) payload['iat'] = secondsSinceEpoch(DateTime.now());
if (expiresIn != null) {
payload['exp'] = secondsSinceEpoch(DateTime.now().add(expiresIn));
}
if (notBefore != null) {
payload['nbf'] = secondsSinceEpoch(DateTime.now().add(notBefore));
}
if (audience != null) payload['aud'] = audience;
if (subject != null) payload['sub'] = subject;
if (issuer != null) payload['iss'] = issuer;
if (jwtId != null) payload['jti'] = jwtId;
} catch (ex) {
assert(
payload is Map<String, dynamic>,
'If payload is a Map its must be a Map<String, dynamic>',
);
}
}
final b64Header = base64Unpadded(jsonBase64.encode(header));
String b64Payload;
try {
payload = Map<String, dynamic>.from(payload);
if (!noIssueAt) payload['iat'] = secondsSinceEpoch(DateTime.now());
if (expiresIn != null) {
payload['exp'] = secondsSinceEpoch(DateTime.now().add(expiresIn));
}
if (notBefore != null) {
payload['nbf'] = secondsSinceEpoch(DateTime.now().add(notBefore));
}
if (audience != null) payload['aud'] = audience;
if (subject != null) payload['sub'] = subject;
if (issuer != null) payload['iss'] = issuer;
if (jwtId != null) payload['jti'] = jwtId;
b64Payload = base64Unpadded(
payload is String
? base64.encode(utf8.encode(payload))
: jsonBase64.encode(payload),
);
} catch (ex) {
assert(
payload is Map<String, dynamic>,
'If payload is a Map its must be a Map<String, dynamic>',
throw JWTError(
'invalid payload json format (Map keys must be String type)',
);
}
}
final b64Header = base64Unpadded(jsonBase64.encode(header));
String b64Payload;
try {
b64Payload = base64Unpadded(
payload is String
? base64.encode(utf8.encode(payload))
: jsonBase64.encode(payload),
);
} catch (ex) {
throw JWTError(
'invalid payload json format (Map keys must be String type)',
);
}
final body = '$b64Header.$b64Payload';
final signature = base64Unpadded(
base64Url.encode(
algorithm.sign(
key,
Uint8List.fromList(utf8.encode(body)),
final body = '$b64Header.$b64Payload';
final signature = base64Unpadded(
base64Url.encode(
algorithm.sign(
key,
Uint8List.fromList(utf8.encode(body)),
),
),
),
);
);
return body + '.' + signature;
return body + '.' + signature;
} catch (ex) {
if (ex is Error) {
throw JWTUndefinedError(ex);
} else {
rethrow;
}
}
}
}