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handlers.go
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/
handlers.go
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package auth
import (
"log"
"net/http"
"strconv"
"time"
"github.com/linkc0829/go-ics/internal/handlers/secret"
"github.com/dgrijalva/jwt-go"
"github.com/linkc0829/go-ics/pkg/utils"
"github.com/linkc0829/go-ics/pkg/utils/datasource"
"github.com/gin-gonic/gin"
"github.com/markbates/goth/gothic"
)
// Claims JWT claims
type Claims struct {
Email string `json:"email"`
jwt.StandardClaims
}
// Begin login with the auth provider
func Begin() gin.HandlerFunc {
return func(c *gin.Context) {
c.Request = AddProviderToContext(c, c.Param("provider"))
provider := c.Request.Context().Value("provider").(string)
log.Println("Add Provider To Context: " + provider)
// try to get the user without re-authenticating
if gothUser, err := gothic.CompleteUserAuth(c.Writer, c.Request); err != nil {
gothic.BeginAuthHandler(c.Writer, c.Request)
} else {
log.Printf("user: %#v", gothUser)
}
}
}
// CallBack callback to complete auth provider flow
func CallBack(cfg *utils.ServerConfig, db *datasource.DB) gin.HandlerFunc {
return func(c *gin.Context) {
// You have to add value context with provider name to get provider name in GetProviderName method
c.Request = AddProviderToContext(c, c.Param("provider"))
log.Println("CallBack adds provider to context")
user, err := gothic.CompleteUserAuth(c.Writer, c.Request)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Println("CallBack CompleteUserAuth")
u, err := db.Mongo.FindUserByJWT(user.Email, user.Provider, user.UserID)
// logger.Infof("gothUser: %#v", user)
if err != nil {
if u, err = db.Mongo.CreateUserFromGoth(&user); err != nil {
log.Println("[Auth.CallBack.UserLoggedIn.UpsertUserProfile.Error]: " + err.Error())
c.AbortWithError(http.StatusInternalServerError, err)
return
}
}
log.Println("[Auth.CallBack.UserLoggedIn]: ", u.ID)
//generate new token pair
accToken, tokenExpiry, refreshToken, err := secret.CreateTokenPair(cfg, u.ID.Hex(), user.Provider)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
//update redis
refExp, _ := strconv.Atoi(cfg.JWT.RefreshTokenExpire[:len(cfg.JWT.RefreshTokenExpire)-1])
db.Redis.Do("Set", u.ID.Hex(), refreshToken, "EX", refExp*3600)
data := struct {
TokenType string
Token string
TokenExpiry time.Time
Redirect string
}{
Token: accToken,
TokenType: "Bearer",
TokenExpiry: tokenExpiry,
Redirect: "/profile/" + u.ID.Hex(),
}
c.SetCookie("refresh_token", refreshToken, 0, "/", "localhost", false, true)
c.HTML(http.StatusOK, "callback", data)
//c.Writer.Header().Set("Location", "/"+u.ID.Hex())
//c.JSON(http.StatusPermanentRedirect, json)
}
}