Authenticate

1
package main
2
3
import (
4
	"context"
5
	"fmt"
6
	"net/http"
7
	"os"
8
	"time"
9
10
	Lattice "github.com/anduril/lattice-sdk-go/v4"
11
	"github.com/anduril/lattice-sdk-go/v4/client"
12
	"github.com/anduril/lattice-sdk-go/v4/option"
13
)
14
15
func main() {
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	latticeEndpoint := os.Getenv("LATTICE_ENDPOINT")
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	environmentToken := os.Getenv("ENVIRONMENT_TOKEN")
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	// Remove sandboxesToken from the following statements if you are not developing on Sandboxes.
19
	sandboxesToken := os.Getenv("SANDBOXES_TOKEN")
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	if latticeEndpoint == "" || environmentToken == "" || sandboxesToken == "" {
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		fmt.Println("Missing required environment variables")
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		os.Exit(1)
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	}
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	headers := http.Header{}
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	headers.Add("Anduril-Sandbox-Authorization", fmt.Sprintf("Bearer %s", sandboxesToken))
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	LatticeClient := client.NewClient(
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		option.WithToken(environmentToken),
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		option.WithBaseURL(fmt.Sprintf("https://%s", latticeEndpoint)),
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		option.WithHTTPHeader(headers),
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	)
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	for {
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		ctx := context.Background()
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		entity, err := LatticeClient.Entities.GetEntity(ctx, &Lattice.GetEntityRequest{EntityID: "<ENTITY_ID>"})
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		if err != nil {
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			fmt.Printf("Error fetching entity: %v\n", err)
40
		} else {
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			fmt.Printf("Asset name     | %s\n", *entity.GetAliases().GetName())
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			fmt.Printf("Asset location | %f, %f\n", *entity.GetLocation().GetPosition().GetLatitudeDegrees(),
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				*entity.GetLocation().GetPosition().GetLongitudeDegrees())
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		}
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		time.Sleep(5 * time.Second)
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	}
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}

1
// This Go example is compatible with artifacts generated using
2
// the following grpc/go plugin: https://buf.build/anduril/lattice-sdk/sdks/main:grpc/go
3
package main
4
5
import (
6
	"context"
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	"log"
8
	"os"
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	"time"
10
11
	"buf.build/gen/go/anduril/lattice-sdk/grpc/go/anduril/entitymanager/v1/entitymanagerv1grpc"
12
	entitymanagerv1 "buf.build/gen/go/anduril/lattice-sdk/protocolbuffers/go/anduril/entitymanager/v1"
13
	"google.golang.org/grpc"
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	"google.golang.org/grpc/credentials"
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)
16
17
type BearerTokenAuth struct {
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	Token          string
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	SandboxesToken string
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}
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func (b *BearerTokenAuth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
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	return map[string]string{
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		"authorization":                 "Bearer " + b.Token,
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		"anduril-sandbox-authorization": "Bearer " + b.SandboxesToken,
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	}, nil
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}
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func (b *BearerTokenAuth) RequireTransportSecurity() bool {
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	return true
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}
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func main() {
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	ctx := context.Background()
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	environmentToken := os.Getenv("ENVIRONMENT_TOKEN")
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	latticeEndpoint := os.Getenv("LATTICE_ENDPOINT")
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	// Remove sandboxesToken from the following statements if you are not developing on Sandboxes.
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	sandboxesToken := os.Getenv("SANDBOXES_TOKEN")
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	if latticeEndpoint == "" || environmentToken == "" || sandboxesToken == "" {
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		log.Fatalf("Missing required environment variables")
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	}
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	auth := &BearerTokenAuth{
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		Token:          environmentToken,
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		SandboxesToken: sandboxesToken,
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	}
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	opts := []grpc.DialOption{
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		grpc.WithTransportCredentials(credentials.NewClientTLSFromCert(nil, "")),
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		grpc.WithPerRPCCredentials(auth),
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	}
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	conn, err := grpc.NewClient(latticeEndpoint, opts...)
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	if err != nil {
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		log.Fatalf("Did not connect: %v", err)
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	}
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	defer conn.Close()
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	client := entitymanagerv1grpc.NewEntityManagerAPIClient(conn)
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	// Periodically get the latest entity state
63
	for {
64
		entity, err := client.GetEntity(ctx, &entitymanagerv1.GetEntityRequest{
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			EntityId: "Demo-Sim-Asset1",
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		})
67
		if err != nil {
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			log.Fatalf("Error getting entity: %v", err)
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		}
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		// Process each entity.
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		log.Printf("Fetching entity at location: %f %f", entity.GetEntity().GetLocation().GetPosition().LatitudeDegrees, entity.GetEntity().GetLocation().GetPosition().LongitudeDegrees)
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		time.Sleep(5 * time.Second)
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	}
76
}

1
package main
2
3
import (
4
	"context"
5
	"fmt"
6
	"net/http"
7
	"os"
8
	"time"
9
10
	Lattice "github.com/anduril/lattice-sdk-go/v4"
11
	"github.com/anduril/lattice-sdk-go/v4/client"
12
	"github.com/anduril/lattice-sdk-go/v4/option"
13
)
14
15
func main() {
16
	// Get environment variables
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	latticeEndpoint := os.Getenv("LATTICE_ENDPOINT")
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	clientSecret := os.Getenv("LATTICE_CLIENT_SECRET")
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	clientId := os.Getenv("LATTICE_CLIENT_ID")
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	// Remove sandboxesToken from the following statements if you are not developing on Sandboxes.
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	sandboxesToken := os.Getenv("SANDBOXES_TOKEN")
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	// Check required environment variables
25
	if latticeEndpoint == "" || clientId == "" || clientSecret == "" || sandboxesToken == "" {
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		fmt.Println("Missing required environment variables")
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		os.Exit(1)
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	}
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	// Initialize headers for sandbox authorization
31
	headers := http.Header{}
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	headers.Add("Anduril-Sandbox-Authorization", fmt.Sprintf("Bearer %s", sandboxesToken))
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	// Create the client
35
	LatticeClient := client.NewClient(
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		option.WithClientCredentials(clientId, clientSecret),
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		option.WithBaseURL(fmt.Sprintf("https://%s", latticeEndpoint)),
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		option.WithHTTPHeader(headers),
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	)
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	// Continuously get the entity
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	for {
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		// Create context for the request
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		ctx := context.Background()
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		entity, err := LatticeClient.Entities.GetEntity(
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			ctx,
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			&Lattice.GetEntityRequest{
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				EntityID: "<ENTITY_ID>",
50
			},
51
		)
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		if err != nil {
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			fmt.Printf("Error fetching entity: %v\n", err)
55
		} else {
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			fmt.Printf("Asset name     | %s\n", *entity.GetAliases().GetName())
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			fmt.Printf("Asset location | %f, %f\n", *entity.GetLocation().GetPosition().GetLatitudeDegrees(),
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				*entity.GetLocation().GetPosition().GetLongitudeDegrees())
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		}
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		// Wait before next request
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		time.Sleep(5 * time.Second)
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	}
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}

1
// This Go example is compatible with artifacts generated using
2
// the following grpc/go plugin: https://buf.build/anduril/lattice-sdk/sdks/main:grpc/go
3
package main
4
5
import (
6
	"context"
7
	"encoding/json"
8
	"fmt"
9
	"io"
10
	"net/http"
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	"net/url"
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	"strings"
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	"time"
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)
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type ClientCredentialsAuth struct {
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	ClientID       string
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	ClientSecret   string
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	SandboxesToken string
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	Endpoint       string
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}
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type TokenResponse struct {
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	AccessToken string `json:"access_token"`
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	ExpiresIn   int    `json:"expires_in"`
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	TokenType   string `json:"token_type"`
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}
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var (
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	tokenCache      TokenResponse
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	tokenExpiryTime time.Time
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)
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func GetToken(credentials *ClientCredentialsAuth) (*TokenResponse, error) {
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	// If the token is initialized and doesn't expire within the next 5 minutes, return it.
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	if tokenCache.AccessToken != "" && time.Now().Add(time.Minute*5).Before(tokenExpiryTime) {
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		return &tokenCache, nil
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	}
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	// Otherwise, refresh the token
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	formData := url.Values{}
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	formData.Add("grant_type", "client_credentials")
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	formData.Add("client_id", credentials.ClientID)
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	formData.Add("client_secret", credentials.ClientSecret)
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	req, err := http.NewRequest("POST", credentials.Endpoint, strings.NewReader(formData.Encode()))
48
	if err != nil {
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		return nil, fmt.Errorf("failed to create token request: %w", err)
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	}
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	req.Header.Add("Anduril-Sandbox-Authorization", "Bearer "+credentials.SandboxesToken)
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	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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	client := &http.Client{
55
		Timeout: 10 * time.Second, // Set a timeout for the HTTP request
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	}
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	resp, err := client.Do(req)
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	if err != nil {
60
		return nil, fmt.Errorf("failed to make token request: %w", err)
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	}
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	defer resp.Body.Close()
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	if resp.StatusCode != http.StatusOK {
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		bodyBytes, _ := io.ReadAll(resp.Body)
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		return nil, fmt.Errorf("token request failed with status %d: %s", resp.StatusCode, string(bodyBytes))
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	}
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	var tokenResp TokenResponse
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	if err := json.NewDecoder(resp.Body).Decode(&tokenResp); err != nil {
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		return nil, fmt.Errorf("failed to decode token response: %w", err)
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	}
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	// Cache the token and set its expiry time
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	tokenCache = tokenResp
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	tokenExpiryTime = time.Now().Add(time.Duration(tokenResp.ExpiresIn) * time.Second)
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	return &tokenCache, nil
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}
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func (a *ClientCredentialsAuth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
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	_, err := GetToken(a)
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	if err != nil {
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		fmt.Printf("Token refresh failed: %v\n", err)
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		return nil, err
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	}
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	headers := map[string]string{
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		"authorization":                 "Bearer " + tokenCache.AccessToken,
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		"anduril-sandbox-authorization": "Bearer " + a.SandboxesToken,
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	}
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	return headers, nil
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}
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func (b *ClientCredentialsAuth) RequireTransportSecurity() bool {
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	return true
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}

1
// This Go example is compatible with artifacts generated using
2
// the following grpc/go plugin: https://buf.build/anduril/lattice-sdk/sdks/main:grpc/go
3
package main
4
5
import (
6
	"context"
7
	"fmt"
8
	"log"
9
	"os"
10
	"time"
11
12
	"buf.build/gen/go/anduril/lattice-sdk/grpc/go/anduril/entitymanager/v1/entitymanagerv1grpc"
13
	entitymanagerv1 "buf.build/gen/go/anduril/lattice-sdk/protocolbuffers/go/anduril/entitymanager/v1"
14
	"google.golang.org/grpc"
15
	"google.golang.org/grpc/credentials"
16
)
17
18
func main() {
19
	ctx := context.Background()
20
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	clientID := os.Getenv("LATTICE_CLIENT_ID")
22
	clientSecret := os.Getenv("LATTICE_CLIENT_SECRET")
23
	latticeEndpoint := os.Getenv("LATTICE_ENDPOINT")
24
	sandboxesToken := os.Getenv("SANDBOXES_TOKEN")
25
26
	if latticeEndpoint == "" || clientSecret == "" || clientID == "" || sandboxesToken == "" {
27
		log.Fatalf("Missing required environment variables")
28
	}
29
	auth := &ClientCredentialsAuth{
30
		ClientID:       clientID,
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		ClientSecret:   clientSecret,
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		SandboxesToken: sandboxesToken,
33
		Endpoint:       fmt.Sprintf("https://%s/api/v1/oauth/token", latticeEndpoint),
34
	}
35
36
	opts := []grpc.DialOption{
37
		grpc.WithTransportCredentials(credentials.NewClientTLSFromCert(nil, "")),
38
		grpc.WithPerRPCCredentials(auth),
39
	}
40
	conn, err := grpc.NewClient(latticeEndpoint, opts...)
41
42
	if err != nil {
43
		log.Fatalf("Did not connect: %v", err)
44
	}
45
	defer conn.Close()
46
47
	client := entitymanagerv1grpc.NewEntityManagerAPIClient(conn)
48
49
	// Periodically get the latest entity state
50
	for {
51
		entity, err := client.GetEntity(ctx, &entitymanagerv1.GetEntityRequest{
52
			EntityId: "Demo-Sim-Asset1",
53
		})
54
		if err != nil {
55
			log.Fatalf("Error getting entity: %v", err)
56
		}
57
58
		// Process each entity.
59
		log.Printf("Fetching entity at location: %f %f", entity.GetEntity().GetLocation().GetPosition().LatitudeDegrees, entity.GetEntity().GetLocation().GetPosition().LongitudeDegrees)
60
61
		time.Sleep(5 * time.Second)
62
	}
63
}