firebase-auth-echo-middleware

define Golang firebase auth middleware for echo web framework https://echo.labstack.com/

install

go get github.com/mondora/firebase-auth-echo-middleware

example

package main

import (
    "github.com/labstack/echo/v4"
    firebaseauth "github.com/mondora/firebase-auth-echo-middleware"
)

type H map[string]interface{}

func testApiHandler(c echo.Context) error {
    user := c.Get("user")
    authProvider := c.Get("auth-provider")
    return c.JSON(200, H{
        "user": user,
        "authProvider": authProvider,
        "OK":      true,
    })
}

func optionsSkipper(c echo.Context) bool {
    return c.Request().Method == "OPTIONS"
}

func main() {
    credentialJSON := `{
      "type": "service_account",
      "project_id": "...",
      "private_key_id": "...",
      "private_key": "-----BEGIN PRIVATE KEY-----\n...\n-----END PRIVATE KEY-----\n",
      "client_email": "firebase-adminsdk-...@....iam.gserviceaccount.com",
      "client_id": "...",
      "auth_uri": "https://accounts.google.com/o/oauth2/auth",
      "token_uri": "https://oauth2.googleapis.com/token",
      "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
      "client_x509_cert_url": "..."
    }`
    firebaseAuth := firebaseauth.WithConfig(firebaseauth.Config{
        Skipper:        optionsSkipper,
        CredentialJSON: []byte(credentialJSON),
    })
    router := echo.New()
    apiV1 := router.Group("/api/v1")
    apiV1.Use(firebaseAuth)
    apiV1.GET("/test-api", testApiHandler)
    router.Logger.Fatal(router.Start(":8080"))
}