ספריות לקוח ב-GAPI

כדי לקבל חוויה טובה יותר, מומלץ להשתמש בספריות לקוח ה-GAPI הספציפיות לשפה, מאשר פיתוח של REST או gRPC גולמיים לתקשורת בין שרתים. קובצי Protobuf שהלקוחות האלה מבוססים עליהם זמינים לציבור בכתובת https://github.com/googleapis/googleapis/tree/master/google/maps/fleetengine/delivery/v1.

אם אין ספריות בשפה של האפליקציה, מומלץ להשתמש ב-gRPC או בנקודות הקצה של Fleet Engine REST.

כדי לבצע אימות באמצעות Fleet Engine, צריך אסימון אינטרנט מסוג JSON חתום. לפרטים נוספים, ראו אימות והרשאה.

Java

ספריות Java מפורסמות במסגרת google.maps.fleetengine.delivery.v1.

Gradle

plugins {
  id "maven-publish"
  id "com.google.cloud.artifactregistry.gradle-plugin" version "2.1.4"
}

publishing {
  repositories {
    maven {
      url "artifactregistry://us-maven.pkg.dev/fleetengine-gapic/maven"
    }
  }
}

repositories {
  maven {
    url "artifactregistry://us-maven.pkg.dev/fleetengine-gapic/maven"
  }
}

dependencies {
  implementation 'com.google.maps:gapic-google-maps-fleetengine-delivery-v1-java:latest.release'
}

Maven

<project>
  <distributionManagement>
    <snapshotRepository>
      <id>artifact-registry</id>
      <url>artifactregistry://us-maven.pkg.dev/fleetengine-gapic/maven</url>
    </snapshotRepository>
    <repository>
      <id>artifact-registry</id>
      <url>artifactregistry://us-maven.pkg.dev/fleetengine-gapic/maven</url>
    </repository>
  </distributionManagement>

  <repositories>
    <repository>
      <id>artifact-registry</id>
      <url>artifactregistry://us-maven.pkg.dev/fleetengine-gapic/maven</url>
      <releases>
        <enabled>true</enabled>
      </releases>
      <snapshots>
        <enabled>true</enabled>
      </snapshots>
    </repository>
  </repositories>

  <build>
    <extensions>
      <extension>
        <groupId>com.google.cloud.artifactregistry</groupId>
        <artifactId>artifactregistry-maven-wagon</artifactId>
        <version>2.1.4</version>
      </extension>
    </extensions>
  </build>

  <dependency>
    <groupId>com.google.maps</groupId>
    <artifactId>gapic-google-maps-fleetengine-delivery-v1-java</artifactId>
    <version>LATEST</version>
  </dependency>
</project>

תוכלו להשתמש ב-Fleet Engine Auth Library עבור Java כדי ליצור אסימוני אינטרנט JSON חתומים בסביבת Java.

בדף תחילת העבודה עם Fleet Engine תוכלו לראות דוגמאות של Java לאינטראקציה עם Fleet Engine API.

Node.js / TypeScript

נשימות בדקה

אפשר לציין את כתובת ה-URL של הספרייה בקטע dependencies של package.json:

{
  "dependencies": {
    "@googlemaps/fleetengine-delivery": "https://storage.googleapis.com/fleetengine-gapic/dist/latest_release/maps-fleetengine-delivery-v1-nodejs.tar.gz",
    "google-auth-library": "^9.2.0",
    "googleapis": "^118.0.0"
  }
}

קוד לדוגמה:

const {google} = require('googleapis');
const fleetengine = require('@googlemaps/fleetengine-delivery');
const {GoogleAuth} = require('google-auth-library');

// CONSTANTS
const PROJECT_ID = 'YOUR_GCP_PROJECT_NAME';
const VEHICLE_ID = 'YOUR_VEHICLE_ID';
const SERVICE_ACCOUNT = 'YOUR_SERVICE_ACCOUNT';
const SERVICE_ACCOUNT_EMAIL = `${SERVICE_ACCOUNT}@${PROJECT_ID}.iam.gserviceaccount.com`;

// CREATE A JWT FOR AUTHENTICATION
const HOWLONG = 55 * 60;          // 55 minutes, cannot be more than 60 minutes

async function signToken(claims) {
  const googleAuth = new google.auth.GoogleAuth({
    scopes: ['https://www.googleapis.com/auth/cloud-platform'],
  });
  const authClient = await googleAuth.getClient();
  google.options({auth: authClient});

  const now = Math.round(Date.now() / 1000);
  const iat = now - 300;
  const exp = now + HOWLONG;

  const request = {
      name: `projects/-/serviceAccounts/${SERVICE_ACCOUNT_EMAIL}`,
      requestBody: {
          payload: JSON.stringify({
              iss: SERVICE_ACCOUNT_EMAIL,
              sub: SERVICE_ACCOUNT_EMAIL,
              aud: 'https://fleetengine.googleapis.com/',
              iat: iat,
              exp: exp,
              authorization: claims
          }),
      }
  };

  const response = await google.iamcredentials('v1').projects.serviceAccounts
      .signJwt(request)
      .catch((err) => {
        if (err.errors) throw err.errors;
        else throw err;
      });
  return response.data.signedJwt;
}

// MAKE A REQUEST
async function main() {
    const claims = {
      deliveryvehicleid: VEHICLE_ID
    };

    signToken(claims).then(token => {
      let auth = new GoogleAuth();
      auth.cachedCredential = new AuthorizationHeaderProvider(token);
      const client = new fleetengine.DeliveryServiceClient({ auth: auth });

      client.getDeliveryVehicle({name: `providers/${PROJECT_ID}/deliveryVehicles/${VEHICLE_ID}`}).then(function(resp) {
        console.log(resp);
      }, function(err) {
        console.log(err);
      });
    });
}

class AuthorizationHeaderProvider {
    constructor(token) {
        this.token = token;
    }

    getRequestMetadata(url, callback) {
        callback(null, {'authorization': `Bearer ${this.token}`});
    }
}

main().catch(console.error);

Go

ספריית Go נמצאת בחבילה כמודול בכתובת https://pkg.go.dev/cloud.google.com/go/maps

package main

import (
  "context"
  "fmt"
  "os"
  "time"
  "google.golang.org/grpc"
  "google.golang.org/grpc/credentials"
  "google.golang.org/grpc/metadata"
  credentials "cloud.google.com/go/iam/credentials/apiv1"
  credentialspb "cloud.google.com/go/iam/credentials/apiv1/credentialspb"
  delivery "cloud.google.com/go/maps/fleetengine/delivery/apiv1/deliverypb"
)

func (a *auth) signToken(ctx context.Context, email string, iat time.Time, exp time.Time, aud string, scope string, privateClaims map[string]any) (string, error) {
  claimSet := struct {
    Iss           string `json:"iss"`
    Sub           string `json:"sub"`
    Aud           string `json:"aud"`
    Scope         string `json:"scope"`
    Iat           int64  `json:"iat"`
    Exp           int64  `json:"exp"`
    Authorization any    `json:"authorization"`
  }{email, email, aud, scope, iat.Unix(), exp.Unix(), nil}

  if privateClaims != nil {
    if auth, ok := privateClaims["authorization"]; ok {
      claimSet.Authorization = auth
    }
  }

  client, err := credentials.NewIamCredentialsClient(ctx)
  if err != nil {
    return "", fmt.Errorf("Could not instantiate IAM credentials client: %v", err)
  }

  payloadJSON, err := json.Marshal(claimSet)
  if err != nil {
    return "", fmt.Errorf("Could not marshal JWT payload: %v", err)
  }

  req := &credentialspb.SignJwtRequest{
    Name:    fmt.Sprintf("projects/-/serviceAccounts/%s", email),
    Payload: string(payloadJSON),
    JwtType: "JWT",
  }

  resp, err := client.SignJwt(ctx, req)
  if err != nil {
    return "", fmt.Errorf("SignJwt request failed with error: %v", err)
  }
  return resp.SignedJwt, nil
}

func main() {
  project_id := "YOUR_GCP_PROJECT_NAME"
  vehicle_id := "YOUR_VEHICLE_ID"
  service_account_name := "YOUR_SERVICE_ACCOUNT"
  service_account_email := fmt.Sprintf("%s@%s.iam.gserviceaccount.com", service_account_name, project_id)

  ctx := context.Background()

  iat := time.Now().Add(-time.Minute * 5)
  exp := time.Now().Add(time.Minute * 55)
  aud := "https://fleetengine.googleapis.com/"
  scope := "https://www.googleapis.com/auth/cloud-platform"
  claims := map[string]string{
    "deliveryvehicleid": vehicle_id,
  }

  token := signToken(ctx, service_account_email, iat, exp, aud, scope, claims)
  opts := []grpc.DialOption{
    grpc.WithTransportCredentials(credentials.NewClientTLSFromCert(nil, "")),
  }
  auth_header := string(fmt.Sprintf("Bearer %s", token))

  address := "fleetengine.googleapis.com:443"
  ctx = metadata.AppendToOutgoingContext(ctx, "authorization", auth_header)
  conn, _ := grpc.DialContext(ctx, address, opts...)

  request := &delivery.GetDeliveryVehicleRequest {
    Name: fmt.Sprintf("providers/%s/deliveryVehicles/%s", project_id, vehicle_id),
  }
  svc := delivery.NewDeliveryServiceClient(conn)

  response, err := svc.GetDeliveryVehicle(ctx, request)

  if (err != nil) {
    fmt.Println(err)
    return
  }

  fmt.Println(response)
}

Python

פרטים נוספים זמינים בכתובת https://pypi.org/project/google-maps-fleetengine-delivery/0.1.0/

pip

pip install google-auth
pip install google-maps-fleetengine-delivery

קוד לדוגמה:

from google.maps import fleetengine_delivery
import google.auth
from google.auth import jwt, iam
from google.auth.transport import requests

# CONSTANTS
PROJECT_ID = 'YOUR_GCP_PROJECT_NAME'
VEHICLE_ID = 'YOUR_VEHICLE_ID'
SERVICE_ACCOUNT = f'YOUR_SERVICE_ACCOUNT@{PROJECT_ID}.iam.gserviceaccount.com'

# CREATE A JWT FOR AUTHENTICATION
credentials, _ = google.auth.default(
  scopes=['https://www.googleapis.com/auth/iam'])
signer = iam.Signer(requests.Request(), credentials, SERVICE_ACCOUNT)
jwt_credentials = jwt.Credentials(
  signer,
  issuer=SERVICE_ACCOUNT,
  subject=SERVICE_ACCOUNT,
  audience='https://fleetengine.googleapis.com/',
  additional_claims={
    "authorization": {
      "vehicleid" : VEHICLE_ID
    }
  }
)

# MAKE A REQUEST
maps_fleetengine_client = fleetengine_delivery.DeliveryServiceClient(credentials=jwt_credentials)
request = fleetengine_delivery.GetDeliveryVehicleRequest(name=f'providers/{PROJECT_ID}/deliveryVehicles/{VEHICLE_ID}')
response = maps_fleetengine_client.get_delivery_vehicle(request=request)

C#

ניתן למצוא הוראות התקנה של ספריית C# בכתובת https://www.nuget.org/packages/Google.Maps.FleetEngine.Delivery.V1.

PHP

ניתן להוריד את ספריית PHP מהכתובת https://storage.googleapis.com/fleetengine-gapic/dist/latest_release/google-maps-fleetengine-delivery-v1-php.tar.gz

Ruby

ניתן להוריד את ספריית Ruby מהכתובת https://storage.googleapis.com/fleetengine-gapic/dist/latest_release/google-maps-fleetengine-delivery-v1-ruby.tar.gz