added nonsign for wallet zk login (#169)

api/v1/authenticate/authenticate.go

@@ -25,13 +25,14 @@ func ApplyRoutes(r *gin.RouterGroup) {
 		g.POST("", authenticate)
 		g.Use(paseto.PASETO(false))
 		g.GET("", authenticateToken)
+		g.GET("/nonSign", authenticateNonSignature)
 	}
 }
 
 func authenticate(c *gin.Context) {
 	db := dbconfig.GetDb()
 	chain_symbol := c.Query("chain")
-	//TODO remove flow id if 200
+	//TODO remove flow id if 200"
 	var req AuthenticateRequest
 
 	err := c.BindJSON(&req)
@@ -168,3 +169,63 @@ func authenticateToken(c *gin.Context) {
 	}
 	httpo.NewSuccessResponseP(200, "Token verifies successfully", payload).SendD(c)
 }
+
+func authenticateNonSignature(c *gin.Context) {
+	db := dbconfig.GetDb()
+	//TODO remove flow id if 200
+	var req AuthenticateRequestNoSign
+	err := c.BindJSON(&req)
+	if err != nil {
+		httpo.NewErrorResponse(http.StatusBadRequest, fmt.Sprintf("payload is invalid: %s", err)).SendD(c)
+		return
+	}
+	//Get flowid type
+	var flowIdData models.FlowId
+	err = db.Model(&models.FlowId{}).Where("flow_id = ?", req.FlowId).First(&flowIdData).Error
+	if err != nil {
+		logwrapper.Errorf("failed to get flowId, error %v", err)
+		httpo.NewErrorResponse(http.StatusNotFound, "flow id not found").SendD(c)
+		return
+	}
+	if flowIdData.FlowIdType != models.AUTH {
+		httpo.NewErrorResponse(http.StatusBadRequest, "flow id not created for auth").SendD(c)
+		return
+	}
+	if req.WalletAddress != flowIdData.WalletAddress {
+		httpo.NewErrorResponse(http.StatusBadRequest, "WalletAddress incorrect").SendD(c)
+		return
+	}
+
+	// update wallet address for that user_id
+	err = db.Model(&models.User{}).Where("user_id = ?", flowIdData.UserId).Update("wallet_address", flowIdData.WalletAddress).Error
+	if err != nil {
+		httpo.NewErrorResponse(http.StatusInternalServerError, "Unexpected error occured").SendD(c)
+		logwrapper.Errorf("failed to update wallet address, error %v", err.Error())
+		return
+	}
+
+	customClaims := claims.NewWithWallet(flowIdData.UserId, &flowIdData.WalletAddress)
+	pvKey, err := hex.DecodeString(envconfig.EnvVars.PASETO_PRIVATE_KEY[2:])
+	if err != nil {
+		httpo.NewErrorResponse(http.StatusInternalServerError, "Unexpected error occured").SendD(c)
+		logwrapper.Errorf("failed to generate token, error %v", err.Error())
+		return
+	}
+	pasetoToken, err := auth.GenerateToken(customClaims, pvKey)
+	if err != nil {
+		httpo.NewErrorResponse(http.StatusInternalServerError, "Unexpected error occured").SendD(c)
+		logwrapper.Errorf("failed to generate token, error %v", err.Error())
+		return
+	}
+	err = db.Where("flow_id = ?", req.FlowId).Delete(&models.FlowId{}).Error
+	if err != nil {
+		httpo.NewErrorResponse(http.StatusInternalServerError, "Unexpected error occured").SendD(c)
+		logwrapper.Errorf("failed to delete flowId, error %v", err.Error())
+		return
+	}
+	payload := AuthenticatePayload{
+		Token:  pasetoToken,
+		UserId: flowIdData.UserId,
+	}
+	httpo.NewSuccessResponseP(200, "Token generated successfully", payload).SendD(c)
+}