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项目作者: go-jwt

项目描述 :
an JSON Web Tokens (JWT) project for golang
高级语言: Go
项目地址: git://github.com/go-jwt/jwt.git
创建时间: 2017-05-24T06:20:31Z
项目社区:https://github.com/go-jwt/jwt

开源协议:MIT License

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jwt-go

build
Go
Reference
Coverage Status

A go (or ‘golang’ for search engine friendliness)
implementation of JSON Web
Tokens
.

Starting with v4.0.0
this project adds Go module support, but maintains backward compatibility with
older v3.x.y tags and upstream github.com/dgrijalva/jwt-go. See the
MIGRATION_GUIDE.md for more information. Version
v5.0.0 introduces major improvements to the validation of tokens, but is not
entirely backward compatible.

After the original author of the library suggested migrating the maintenance
of jwt-go, a dedicated team of open source maintainers decided to clone the
existing library into this repository. See
dgrijalva/jwt-go#462 for a
detailed discussion on this topic.

SECURITY NOTICE: Some older versions of Go have a security issue in the
crypto/elliptic. The recommendation is to upgrade to at least 1.15 See issue
dgrijalva/jwt-go#216 for more
detail.

SECURITY NOTICE: It’s important that you validate the alg presented is
what you
expect
.
This library attempts to make it easy to do the right thing by requiring key
types to match the expected alg, but you should take the extra step to verify it in
your usage. See the examples provided.

Supported Go versions

Our support of Go versions is aligned with Go’s version release
policy
. So we will support a major
version of Go until there are two newer major releases. We no longer support
building jwt-go with unsupported Go versions, as these contain security
vulnerabilities that will not be fixed.

What the heck is a JWT?

JWT.io has a great introduction to JSON Web
Tokens.

In short, it’s a signed JSON object that does something useful (for example,
authentication). It’s commonly used for Bearer tokens in Oauth 2. A token is
made of three parts, separated by .‘s. The first two parts are JSON objects,
that have been base64url
encoded. The last part is the signature, encoded the same way.

The first part is called the header. It contains the necessary information for
verifying the last part, the signature. For example, which encryption method
was used for signing and what key was used.

The part in the middle is the interesting bit. It’s called the Claims and
contains the actual stuff you care about. Refer to RFC
7519
for information about
reserved keys and the proper way to add your own.

What’s in the box?

This library supports the parsing and verification as well as the generation and
signing of JWTs. Current supported signing algorithms are HMAC SHA, RSA,
RSA-PSS, and ECDSA, though hooks are present for adding your own.

Installation Guidelines

  1. To install the jwt package, you first need to have
    Go installed, then you can use the command
    below to add jwt-go as a dependency in your Go program.
  1. go get -u github.com/golang-jwt/jwt/v5
  1. Import it in your code:
  1. import "github.com/golang-jwt/jwt/v5"

Usage

A detailed usage guide, including how to sign and verify tokens can be found on
our documentation website.

Examples

See the project documentation
for examples of usage:

Compliance

This library was last reviewed to comply with RFC
7519
dated May 2015 with a few
notable differences:

  • In order to protect against accidental use of Unsecured
    JWTs
    , tokens using
    alg=none will only be accepted if the constant
    jwt.UnsafeAllowNoneSignatureType is provided as the key.

Project Status & Versioning

This library is considered production ready. Feedback and feature requests are
appreciated. The API should be considered stable. There should be very few
backward-incompatible changes outside of major version updates (and only with
good reason).

This project uses Semantic Versioning 2.0.0. Accepted pull
requests will land on main. Periodically, versions will be tagged from
main. You can find all the releases on the project releases
page
.

BREAKING CHANGES: A full list of breaking changes is available in
VERSION_HISTORY.md. See MIGRATION_GUIDE.md for more information on updating
your code.

Extensions

This library publishes all the necessary components for adding your own signing
methods or key functions. Simply implement the SigningMethod interface and
register a factory method using RegisterSigningMethod or provide a
jwt.Keyfunc.

A common use case would be integrating with different 3rd party signature
providers, like key management services from various cloud providers or Hardware
Security Modules (HSMs) or to implement additional standards.

Extension Purpose Repo
GCP Integrates with multiple Google Cloud Platform signing tools (AppEngine, IAM API, Cloud KMS) https://github.com/someone1/gcp-jwt-go
AWS Integrates with AWS Key Management Service, KMS https://github.com/matelang/jwt-go-aws-kms
JWKS Provides support for JWKS (RFC 7517) as a jwt.Keyfunc https://github.com/MicahParks/keyfunc

Disclaimer: Unless otherwise specified, these integrations are maintained by
third parties and should not be considered as a primary offer by any of the
mentioned cloud providers

More

Go package documentation can be found on
pkg.go.dev
. Additional
documentation can be found on our project
page
.

The command line utility included in this project (cmd/jwt) provides a
straightforward example of token creation and parsing as well as a useful tool
for debugging your own integration. You’ll also find several implementation
examples in the documentation.

golang-jwt incorporates a modified version
of the JWT logo, which is distributed under the terms of the MIT
License
.