Gin Multifactor Authentication

v 0.0.1

Flexible authentication for web, mobile, desktop and hybrid apps. Can be used for 1fa, 2fa and mfa scenarios. Easily configurable and extendable with new authentication methods, called services. All authenticaton scenarios, called flows, are based on identifiers and secrets, which can be used or not used in multiple combinations:

• username, email, phone, ...
• password, passcode (aka one-time pass or token), hardcode (aka device or card id), ...

Full list of supported services (devices):

• Email (soon)
• Phone (as Sms)
• WhatsApp (soon)
• Google Authenticator
• Microsoft Authenticator
• Authy, andOTP, etc
• Yubikey (soon)
• ...add yours

and service providers:

• Twilio
• Vonage (Nexmo) (soon)
• Amazon SNS (soon)
• ...add yours

Usage

See an example app in the /example folder.

// Init with specific flow(s):
// authenticate user if all (username, password, passcode) params are valid
auth := multauth.Auth{
        Flows: []multauth.Flow{{"Username", "Password", "Passcode"}},
}

app := gin.Default()

app.POST("/signin", func(c *gin.Context) {
        // ...Grab params from the context and store them in the "data" map

        err := auth.Authenticate(map[string]interface{}{
                "Username": data["username"],
                "Password": data["password"],
                "Passcode": data["passcode"], // with Google Authenticator or so
        }, user)

        if err == nil {
                c.JSON(200, gin.H{
                        "message": "Welcome " + user.Username,
                        "token": "YOUR_JWT_TOKEN",
                })
        }
})

app.Run()