switch to maintained lib (#16532)
Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Andrew Thornton <art27@cantab.net>tokarchuk/v1.17
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## Migration Guide from v2 -> v3 |
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Version 3 adds several new, frequently requested features. To do so, it introduces a few breaking changes. We've worked to keep these as minimal as possible. This guide explains the breaking changes and how you can quickly update your code. |
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### `Token.Claims` is now an interface type |
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The most requested feature from the 2.0 verison of this library was the ability to provide a custom type to the JSON parser for claims. This was implemented by introducing a new interface, `Claims`, to replace `map[string]interface{}`. We also included two concrete implementations of `Claims`: `MapClaims` and `StandardClaims`. |
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`MapClaims` is an alias for `map[string]interface{}` with built in validation behavior. It is the default claims type when using `Parse`. The usage is unchanged except you must type cast the claims property. |
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The old example for parsing a token looked like this.. |
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```go |
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if token, err := jwt.Parse(tokenString, keyLookupFunc); err == nil { |
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fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"]) |
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} |
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``` |
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is now directly mapped to... |
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```go |
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if token, err := jwt.Parse(tokenString, keyLookupFunc); err == nil { |
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claims := token.Claims.(jwt.MapClaims) |
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fmt.Printf("Token for user %v expires %v", claims["user"], claims["exp"]) |
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} |
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``` |
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`StandardClaims` is designed to be embedded in your custom type. You can supply a custom claims type with the new `ParseWithClaims` function. Here's an example of using a custom claims type. |
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```go |
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type MyCustomClaims struct { |
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User string |
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*StandardClaims |
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} |
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if token, err := jwt.ParseWithClaims(tokenString, &MyCustomClaims{}, keyLookupFunc); err == nil { |
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claims := token.Claims.(*MyCustomClaims) |
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fmt.Printf("Token for user %v expires %v", claims.User, claims.StandardClaims.ExpiresAt) |
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} |
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``` |
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### `ParseFromRequest` has been moved |
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To keep this library focused on the tokens without becoming overburdened with complex request processing logic, `ParseFromRequest` and its new companion `ParseFromRequestWithClaims` have been moved to a subpackage, `request`. The method signatues have also been augmented to receive a new argument: `Extractor`. |
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`Extractors` do the work of picking the token string out of a request. The interface is simple and composable. |
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This simple parsing example: |
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```go |
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if token, err := jwt.ParseFromRequest(tokenString, req, keyLookupFunc); err == nil { |
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fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"]) |
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} |
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``` |
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is directly mapped to: |
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```go |
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if token, err := request.ParseFromRequest(req, request.OAuth2Extractor, keyLookupFunc); err == nil { |
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claims := token.Claims.(jwt.MapClaims) |
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fmt.Printf("Token for user %v expires %v", claims["user"], claims["exp"]) |
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} |
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``` |
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There are several concrete `Extractor` types provided for your convenience: |
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* `HeaderExtractor` will search a list of headers until one contains content. |
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* `ArgumentExtractor` will search a list of keys in request query and form arguments until one contains content. |
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* `MultiExtractor` will try a list of `Extractors` in order until one returns content. |
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* `AuthorizationHeaderExtractor` will look in the `Authorization` header for a `Bearer` token. |
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* `OAuth2Extractor` searches the places an OAuth2 token would be specified (per the spec): `Authorization` header and `access_token` argument |
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* `PostExtractionFilter` wraps an `Extractor`, allowing you to process the content before it's parsed. A simple example is stripping the `Bearer ` text from a header |
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### RSA signing methods no longer accept `[]byte` keys |
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Due to a [critical vulnerability](https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/), we've decided the convenience of accepting `[]byte` instead of `rsa.PublicKey` or `rsa.PrivateKey` isn't worth the risk of misuse. |
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To replace this behavior, we've added two helper methods: `ParseRSAPrivateKeyFromPEM(key []byte) (*rsa.PrivateKey, error)` and `ParseRSAPublicKeyFromPEM(key []byte) (*rsa.PublicKey, error)`. These are just simple helpers for unpacking PEM encoded PKCS1 and PKCS8 keys. If your keys are encoded any other way, all you need to do is convert them to the `crypto/rsa` package's types. |
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```go |
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func keyLookupFunc(*Token) (interface{}, error) { |
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// Don't forget to validate the alg is what you expect: |
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if _, ok := token.Method.(*jwt.SigningMethodRSA); !ok { |
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return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"]) |
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} |
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// Look up key |
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key, err := lookupPublicKey(token.Header["kid"]) |
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if err != nil { |
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return nil, err |
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} |
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// Unpack key from PEM encoded PKCS8 |
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return jwt.ParseRSAPublicKeyFromPEM(key) |
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} |
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``` |
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@ -1,4 +1,4 @@ |
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.DS_Store |
.DS_Store |
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bin |
bin |
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.idea/ |
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@ -1,4 +1,5 @@ |
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Copyright (c) 2012 Dave Grijalva |
Copyright (c) 2012 Dave Grijalva |
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Copyright (c) 2021 golang-jwt maintainers |
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
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@ -0,0 +1,22 @@ |
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## Migration Guide (v3.2.1) |
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Starting from [v3.2.1](https://github.com/golang-jwt/jwt/releases/tag/v3.2.1]), the import path has changed from `github.com/dgrijalva/jwt-go` to `github.com/golang-jwt/jwt`. Future releases will be using the `github.com/golang-jwt/jwt` import path and continue the existing versioning scheme of `v3.x.x+incompatible`. Backwards-compatible patches and fixes will be done on the `v3` release branch, where as new build-breaking features will be developed in a `v4` release, possibly including a SIV-style import path. |
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### go.mod replacement |
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In a first step, the easiest way is to use `go mod edit` to issue a replacement. |
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``` |
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go mod edit -replace github.com/dgrijalva/jwt-go=github.com/golang-jwt/jwt@v3.2.1+incompatible |
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go mod tidy |
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``` |
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This will still keep the old import path in your code but replace it with the new package and also introduce a new indirect dependency to `github.com/golang-jwt/jwt`. Try to compile your project; it should still work. |
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### Cleanup |
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If your code still consistently builds, you can replace all occurences of `github.com/dgrijalva/jwt-go` with `github.com/golang-jwt/jwt`, either manually or by using tools such as `sed`. Finally, the `replace` directive in the `go.mod` file can be removed. |
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## Older releases (before v3.2.0) |
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The original migration guide for older releases can be found at https://github.com/dgrijalva/jwt-go/blob/master/MIGRATION_GUIDE.md. |
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vendor/github.com/dgrijalva/jwt-go/doc.go → vendor/github.com/golang-jwt/jwt/doc.go
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vendor/github.com/dgrijalva/jwt-go/doc.go → vendor/github.com/golang-jwt/jwt/doc.go
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vendor/github.com/dgrijalva/jwt-go/rsa.go → vendor/github.com/golang-jwt/jwt/rsa.go
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vendor/github.com/dgrijalva/jwt-go/rsa.go → vendor/github.com/golang-jwt/jwt/rsa.go
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