init

internal/ginserver/oauth_token.go

@@ -0,0 +1,40 @@
+package ginserver
+
+import (
+	"fmt"
+	"github.com/kratisto/mam-contract/internal/storage/model"
+	"github.com/kratisto/mam-contract/internal/utils"
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"google.golang.org/api/oauth2/v1"
+)
+
+func ValidateOAuthToken(c *gin.Context) {
+	authorizationHeader := c.GetHeader("Authorization")
+	authorizationHeaderSplitted := strings.Split(authorizationHeader, " ")
+	if len(authorizationHeaderSplitted) != 2 {
+		utils.JSONError(c.Writer, model.ErrBadRequestFormat)
+		c.Abort()
+		return
+	}
+
+	oauth2Service, err := oauth2.New(&http.Client{})
+	if oauth2Service == nil {
+		fmt.Println(err)
+		utils.JSONError(c.Writer, model.ErrInternalServer)
+		c.Abort()
+		return
+	}
+	tokenInfoCall := oauth2Service.Tokeninfo()
+	tokenInfoCall.IdToken(authorizationHeaderSplitted[1])
+	token, err := tokenInfoCall.Do()
+	if err != nil {
+		utils.GetLogger().WithError(err).Error(err)
+		utils.JSONError(c.Writer, model.ErrBadRequestFormat)
+		c.Abort()
+		return
+	}
+	c.Set("googleUserId", token.UserId)
+}