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middleware_auth.go
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/
middleware_auth.go
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package rest
import (
"errors"
"net/http"
"net/url"
"strings"
"github.com/emerishq/emeris-cns-server/cns/auth"
"github.com/gin-gonic/gin"
)
type AuthHeader struct {
Token string `header:"Authorization"`
}
func getToken(ctx *gin.Context) (string, error) {
var token string
cookie, err := ctx.Request.Cookie("auth._token.google")
if err != nil {
a := AuthHeader{}
if err := ctx.ShouldBindHeader(&a); err != nil {
return "", errors.New("no auth token found")
}
token = a.Token
} else {
reqTokenEncoded := cookie.Value
token, err = url.PathUnescape(reqTokenEncoded)
if err != nil {
return "", errors.New("error unescaping token")
}
}
return token, nil
}
func (r *router) Auth() gin.HandlerFunc {
return func(ctx *gin.Context) {
if r.s.a.Env == "test" {
r.s.l.Infow("skipping auth in test")
ctx.Set("user", auth.User{
Name: "Test Ickle",
Email: "tester@tendermint.com",
})
ctx.Next()
} else {
reqToken, err := getToken(ctx)
if err != nil {
e(ctx, http.StatusUnauthorized, err)
r.s.l.Error("token not found", err)
return
}
splitToken := strings.Split(reqToken, " ")
if len(splitToken) != 2 {
e(ctx, http.StatusUnauthorized, errors.New("invalid token"))
r.s.l.Error("invalid token")
return
}
reqToken = splitToken[1]
claims, err := r.s.a.ParseJWT(reqToken)
if err != nil {
e(ctx, http.StatusUnauthorized, err)
r.s.l.Error("failed to verify token", err)
return
}
email := claims["email"].(string)
name := claims["name"].(string)
ctx.Set("user", auth.User{
Name: name,
Email: email,
})
r.s.l.Infow("incoming request from %s (%s)\n", name, email)
ctx.Next()
}
}
}