Go (lang) HTTP session authentication
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README.md

Go Session Authentication

Build Status Coverage Status GoDoc Version 2.0.0

See git tags/releases for information about potentially breaking change.

This package uses the Gorilla web toolkit's sessions package to implement a user authentication and authorization system for Go web servers.

Multiple user data storage backends are available, and new ones can be implemented relatively easily.

Access can be restricted by a users' role.

Uses bcrypt for password hashing.

var (
    aaa httpauth.Authorizer
)

func login(rw http.ResponseWriter, req *http.Request) {
    username := req.PostFormValue("username")
    password := req.PostFormValue("password")
    if err := aaa.Login(rw, req, username, password, "/"); err != nil && err.Error() == "already authenticated" {
        http.Redirect(rw, req, "/", http.StatusSeeOther)
    } else if err != nil {
        fmt.Println(err)
        http.Redirect(rw, req, "/login", http.StatusSeeOther)
    }
}

Run go run server.go from the examples directory and visit localhost:8009 for an example. You can login with the username "admin" and password "adminadmin".

Tests can be run by simulating Travis CI's build environment. There's a very unsafe script --- start-test-env.sh that will do this for you.

You should follow me on Twitter. Appreciate this package?

TODO

  • User roles - modification
  • SMTP email validation (key based)
  • More backends
  • Possible remove dependance on bcrypt