[cli] Add API to get authenticator data

cli/internal/api/authenticator.go

@@ -0,0 +1,41 @@
+package api
+
+import (
+	"context"
+	"github.com/ente-io/cli/internal/api/models"
+	"strconv"
+)
+
+func (c *Client) GetAuthKey(ctx context.Context) (*models.AuthKey, error) {
+	var res models.AuthKey
+	r, err := c.restClient.R().
+		SetContext(ctx).
+		SetResult(&res).
+		Get("/authenticator/key")
+	if r.IsError() {
+		return nil, &ApiError{
+			StatusCode: r.StatusCode(),
+			Message:    r.String(),
+		}
+	}
+	return &res, err
+}
+
+func (c *Client) GetDiff(ctx context.Context, sinceTime int64, limit int64) ([]models.AuthEntity, error) {
+	var res struct {
+		Diff []models.AuthEntity `json:"diff"`
+	}
+	r, err := c.restClient.R().
+		SetContext(ctx).
+		SetQueryParam("sinceTime", strconv.FormatInt(sinceTime, 10)).
+		SetQueryParam("limit", strconv.FormatInt(limit, 10)).
+		SetResult(&res).
+		Get("/authenticator/entity/diff")
+	if r.IsError() {
+		return nil, &ApiError{
+			StatusCode: r.StatusCode(),
+			Message:    r.String(),
+		}
+	}
+	return res.Diff, err
+}

cli/internal/api/models/authenticator.go

@@ -0,0 +1,16 @@
+package models
+
+type AuthKey struct {
+	UserID       int64  `json:"userID" binding:"required"`
+	EncryptedKey string `json:"encryptedKey" binding:"required"`
+	Header       string `json:"header" binding:"required"`
+}
+
+type AuthEntity struct {
+	ID           string  `json:"id" binding:"required"`
+	EncryptedKey *string `json:"encryptedKey"`
+	Header       *string `json:"header"`
+	IsDeleted    bool    `json:"isDeleted" binding:"required"`
+	CreatedAt    int64   `json:"createdAt" binding:"required"`
+	UpdatedAt    int64   `json:"updatedAt" binding:"required"`
+}