mirror of
https://github.com/google-wallet/rest-samples.git
synced 2026-01-08 21:18:00 -05:00
505 lines
12 KiB
Go
505 lines
12 KiB
Go
/*
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* Copyright 2023 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// [START setup]
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// [START imports]
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package main
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"github.com/golang-jwt/jwt"
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"github.com/google/uuid"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/google"
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oauthJwt "golang.org/x/oauth2/jwt"
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"io"
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"net/http"
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"os"
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"strings"
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)
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// [END imports]
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const (
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batchUrl = "https://walletobjects.googleapis.com/batch"
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classUrl = "https://walletobjects.googleapis.com/walletobjects/v1/offerClass"
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objectUrl = "https://walletobjects.googleapis.com/walletobjects/v1/offerObject"
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)
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// [END setup]
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type demoOffer struct {
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credentials *oauthJwt.Config
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httpClient *http.Client
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batchUrl, classUrl, objectUrl string
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}
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// [START auth]
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// Create authenticated HTTP client using a service account file.
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func (d *demoOffer) auth() {
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b, _ := os.ReadFile(os.Getenv("GOOGLE_APPLICATION_CREDENTIALS"))
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credentials, _ := google.JWTConfigFromJSON(b, "https://www.googleapis.com/auth/wallet_object.issuer")
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d.credentials = credentials
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d.httpClient = d.credentials.Client(oauth2.NoContext)
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}
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// [END auth]
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// [START createClass]
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// Create a class.
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func (d *demoOffer) createClass(issuerId, classSuffix string) {
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newClass := fmt.Sprintf(`
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{
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"redemptionChannel": "ONLINE",
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"reviewStatus": "UNDER_REVIEW",
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"title": "Offer title",
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"issuerName": "Issuer name",
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"provider": "Provider name",
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"id": "%s.%s"
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}
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`, issuerId, classSuffix)
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res, err := d.httpClient.Post(classUrl, "application/json", bytes.NewBuffer([]byte(newClass)))
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if err != nil {
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fmt.Println(err)
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} else {
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b, _ := io.ReadAll(res.Body)
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fmt.Printf("Class insert response:\n%s\n", b)
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}
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}
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// [END createClass]
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// [START createObject]
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// Create an object.
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func (d *demoOffer) createObject(issuerId, classSuffix, objectSuffix string) {
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newObject := fmt.Sprintf(`
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{
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"classId": "%s.%s",
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"heroImage": {
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"contentDescription": {
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"defaultValue": {
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"value": "Hero image description",
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"language": "en-US"
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}
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},
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"sourceUri": {
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"uri": "https://farm4.staticflickr.com/3723/11177041115_6e6a3b6f49_o.jpg"
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}
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},
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"barcode": {
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"type": "QR_CODE",
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"value": "QR code"
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},
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"locations": [
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{
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"latitude": 37.424015499999996,
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"longitude": -122.09259560000001
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}
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],
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"validTimeInterval": {
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"start": {
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"date": "2023-06-12T23:20:50.52Z"
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},
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"end": {
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"date": "2023-12-12T23:20:50.52Z"
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}
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},
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"state": "ACTIVE",
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"linksModuleData": {
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"uris": [
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{
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"id": "LINK_MODULE_URI_ID",
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"uri": "http://maps.google.com/",
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"description": "Link module URI description"
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},
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{
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"id": "LINK_MODULE_TEL_ID",
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"uri": "tel:6505555555",
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"description": "Link module tel description"
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}
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]
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},
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"imageModulesData": [
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{
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"id": "IMAGE_MODULE_ID",
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"mainImage": {
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"contentDescription": {
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"defaultValue": {
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"value": "Image module description",
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"language": "en-US"
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}
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},
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"sourceUri": {
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"uri": "http://farm4.staticflickr.com/3738/12440799783_3dc3c20606_b.jpg"
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}
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}
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}
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],
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"textModulesData": [
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{
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"body": "Text module body",
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"header": "Text module header",
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"id": "TEXT_MODULE_ID"
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}
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],
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"id": "%s.%s"
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}
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`, issuerId, classSuffix, issuerId, objectSuffix)
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res, err := d.httpClient.Post(objectUrl, "application/json", bytes.NewBuffer([]byte(newObject)))
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if err != nil {
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fmt.Println(err)
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} else {
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b, _ := io.ReadAll(res.Body)
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fmt.Printf("Object insert response:\n%s\n", b)
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}
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}
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// [END createObject]
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// [START expireObject]
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// Expire an object.
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//
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// Sets the object's state to Expired. If the valid time interval is
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// already set, the pass will expire automatically up to 24 hours after.
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func (d *demoOffer) expireObject(issuerId, objectSuffix string) {
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patchBody := `{"state": "EXPIRED"}`
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url := fmt.Sprintf("%s/%s.%s", objectUrl, issuerId, objectSuffix)
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req, _ := http.NewRequest(http.MethodPatch, url, bytes.NewBuffer([]byte(patchBody)))
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res, err := d.httpClient.Do(req)
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if err != nil {
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fmt.Println(err)
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} else {
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b, _ := io.ReadAll(res.Body)
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fmt.Printf("Object expiration response:\n%s\n", b)
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}
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}
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// [END expireObject]
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// [START jwtNew]
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// Generate a signed JWT that creates a new pass class and object.
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//
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// When the user opens the "Add to Google Wallet" URL and saves the pass to
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// their wallet, the pass class and object defined in the JWT are
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// created. This allows you to create multiple pass classes and objects in
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// one API call when the user saves the pass to their wallet.
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func (d *demoOffer) createJwtNewObjects(issuerId, classSuffix, objectSuffix string) {
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newClass := fmt.Sprintf(`
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{
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"redemptionChannel": "ONLINE",
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"reviewStatus": "UNDER_REVIEW",
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"title": "Offer title",
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"issuerName": "Issuer name",
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"provider": "Provider name",
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"id": "%s.%s"
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}
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`, issuerId, classSuffix)
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newObject := fmt.Sprintf(`
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{
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"classId": "%s.%s",
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"heroImage": {
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"contentDescription": {
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"defaultValue": {
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"value": "Hero image description",
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"language": "en-US"
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}
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},
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"sourceUri": {
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"uri": "https://farm4.staticflickr.com/3723/11177041115_6e6a3b6f49_o.jpg"
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}
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},
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"barcode": {
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"type": "QR_CODE",
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"value": "QR code"
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},
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"locations": [
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{
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"latitude": 37.424015499999996,
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"longitude": -122.09259560000001
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}
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],
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"validTimeInterval": {
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"start": {
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"date": "2023-06-12T23:20:50.52Z"
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},
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"end": {
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"date": "2023-12-12T23:20:50.52Z"
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}
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},
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"state": "ACTIVE",
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"linksModuleData": {
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"uris": [
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{
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"id": "LINK_MODULE_URI_ID",
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"uri": "http://maps.google.com/",
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"description": "Link module URI description"
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},
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{
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"id": "LINK_MODULE_TEL_ID",
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"uri": "tel:6505555555",
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"description": "Link module tel description"
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}
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]
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},
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"imageModulesData": [
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{
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"id": "IMAGE_MODULE_ID",
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"mainImage": {
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"contentDescription": {
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"defaultValue": {
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"value": "Image module description",
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"language": "en-US"
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}
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},
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"sourceUri": {
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"uri": "http://farm4.staticflickr.com/3738/12440799783_3dc3c20606_b.jpg"
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}
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}
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}
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],
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"textModulesData": [
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{
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"body": "Text module body",
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"header": "Text module header",
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"id": "TEXT_MODULE_ID"
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}
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],
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"id": "%s.%s"
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}
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`, issuerId, classSuffix, issuerId, objectSuffix)
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var payload map[string]interface{}
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json.Unmarshal([]byte(fmt.Sprintf(`
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{
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"genericClasses": [%s],
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"genericObjects": [%s]
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}
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`, newClass, newObject)), &payload)
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claims := jwt.MapClaims{
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"iss": d.credentials.Email,
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"aud": "google",
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"origins": []string{"www.example.com"},
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"typ": "savetowallet",
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"payload": payload,
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}
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// The service account credentials are used to sign the JWT
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key, _ := jwt.ParseRSAPrivateKeyFromPEM(d.credentials.PrivateKey)
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token, _ := jwt.NewWithClaims(jwt.SigningMethodRS256, claims).SignedString(key)
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fmt.Println("Add to Google Wallet link")
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fmt.Println("https://pay.google.com/gp/v/save/" + token)
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}
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// [END jwtNew]
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// [START jwtExisting]
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// Generate a signed JWT that references an existing pass object.
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// When the user opens the "Add to Google Wallet" URL and saves the pass to
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// their wallet, the pass objects defined in the JWT are added to the
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// user's Google Wallet app. This allows the user to save multiple pass
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// objects in one API call.
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func (d *demoOffer) createJwtExistingObjects(issuerId string) {
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var payload map[string]interface{}
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json.Unmarshal([]byte(fmt.Sprintf(`
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{
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"eventTicketObjects": [{
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"id": "%s.EVENT_OBJECT_SUFFIX",
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"classId": "%s.EVENT_CLASS_SUFFIX"
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}],
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"flightObjects": [{
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"id": "%s.FLIGHT_OBJECT_SUFFIX",
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"classId": "%s.FLIGHT_CLASS_SUFFIX"
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}],
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"genericObjects": [{
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"id": "%s.GENERIC_OBJECT_SUFFIX",
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"classId": "%s.GENERIC_CLASS_SUFFIX"
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}],
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"giftCardObjects": [{
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"id": "%s.GIFT_CARD_OBJECT_SUFFIX",
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"classId": "%s.GIFT_CARD_CLASS_SUFFIX"
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}],
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"loyaltyObjects": [{
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"id": "%s.LOYALTY_OBJECT_SUFFIX",
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"classId": "%s.LOYALTY_CLASS_SUFFIX"
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}],
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"offerObjects": [{
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"id": "%s.OFFER_OBJECT_SUFFIX",
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"classId": "%s.OFFER_CLASS_SUFFIX"
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}],
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"transitObjects": [{
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"id": "%s.TRANSIT_OBJECT_SUFFIX",
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"classId": "%s.TRANSIT_CLASS_SUFFIX"
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}]
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}
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`, issuerId)), &payload)
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claims := jwt.MapClaims{
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"iss": d.credentials.Email,
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"aud": "google",
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"origins": []string{"www.example.com"},
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"typ": "savetowallet",
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"payload": payload,
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}
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// The service account credentials are used to sign the JWT
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key, _ := jwt.ParseRSAPrivateKeyFromPEM(d.credentials.PrivateKey)
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token, _ := jwt.NewWithClaims(jwt.SigningMethodRS256, claims).SignedString(key)
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fmt.Println("Add to Google Wallet link")
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fmt.Println("https://pay.google.com/gp/v/save/" + token)
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}
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// [END jwtExisting]
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// [START batch]
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// Batch create Google Wallet objects from an existing class.
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func (d *demoOffer) batchCreateObjects(issuerId, classSuffix string) {
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data := ""
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for i := 0; i < 3; i++ {
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objectSuffix := strings.ReplaceAll(uuid.New().String(), "-", "_")
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batchObject := fmt.Sprintf(`
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{
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"classId": "%s.%s",
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"heroImage": {
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"contentDescription": {
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"defaultValue": {
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"value": "Hero image description",
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"language": "en-US"
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}
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},
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"sourceUri": {
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"uri": "https://farm4.staticflickr.com/3723/11177041115_6e6a3b6f49_o.jpg"
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}
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},
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"barcode": {
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"type": "QR_CODE",
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"value": "QR code"
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},
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"locations": [
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{
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"latitude": 37.424015499999996,
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"longitude": -122.09259560000001
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}
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],
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"validTimeInterval": {
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"start": {
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"date": "2023-06-12T23:20:50.52Z"
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},
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"end": {
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"date": "2023-12-12T23:20:50.52Z"
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}
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},
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"state": "ACTIVE",
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"linksModuleData": {
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"uris": [
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{
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"id": "LINK_MODULE_URI_ID",
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"uri": "http://maps.google.com/",
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"description": "Link module URI description"
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},
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{
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"id": "LINK_MODULE_TEL_ID",
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"uri": "tel:6505555555",
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"description": "Link module tel description"
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}
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]
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},
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"imageModulesData": [
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{
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"id": "IMAGE_MODULE_ID",
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"mainImage": {
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"contentDescription": {
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"defaultValue": {
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"value": "Image module description",
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"language": "en-US"
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}
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},
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"sourceUri": {
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"uri": "http://farm4.staticflickr.com/3738/12440799783_3dc3c20606_b.jpg"
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}
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}
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}
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],
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"textModulesData": [
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{
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"body": "Text module body",
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"header": "Text module header",
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"id": "TEXT_MODULE_ID"
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}
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],
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"id": "%s.%s"
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}
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`, issuerId, classSuffix, issuerId, objectSuffix)
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data += "--batch_createobjectbatch\n"
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data += "Content-Type: application/json\n\n"
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data += "POST /walletobjects/v1/offerObject\n\n"
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data += batchObject + "\n\n"
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}
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data += "--batch_createobjectbatch--"
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// batchUrl = 'https://walletobjects.googleapis.com/batch';
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res, err := d.httpClient.Post(batchUrl, "multipart/mixed; boundary=batch_createobjectbatch", bytes.NewBuffer([]byte(data)))
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if err != nil {
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fmt.Println(err)
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} else {
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b, _ := io.ReadAll(res.Body)
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fmt.Printf("Batch insert response:\n%s\n", b)
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}
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}
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// [END batch]
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func main() {
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if len(os.Args) == 0 {
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fmt.Println("Usage: go run demo_offer.go <issuer-id>")
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os.Exit(1)
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}
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issuerId := os.Getenv("WALLET_ISSUER_ID")
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classSuffix := strings.ReplaceAll(uuid.New().String(), "-", "_")
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objectSuffix := fmt.Sprintf("%s-%s", strings.ReplaceAll(uuid.New().String(), "-", "_"), classSuffix)
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d := demoOffer{}
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d.auth()
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d.createClass(issuerId, classSuffix)
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d.createObject(issuerId, classSuffix, objectSuffix)
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d.expireObject(issuerId, objectSuffix)
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d.createJwtNewObjects(issuerId, classSuffix, objectSuffix)
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d.createJwtExistingObjects(issuerId)
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d.batchCreateObjects(issuerId, classSuffix)
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}
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