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DEVEXP-492: Support webhook calls validation for server template #11

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merged 1 commit into from
Jul 24, 2024
Merged

DEVEXP-492: Support webhook calls validation for server template #11

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33 changes: 32 additions & 1 deletion templates/server/src/main/java/com/mycompany/app/numbers/Controller.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,19 +3,35 @@
import com.sinch.sdk.SinchClient;
import com.sinch.sdk.domains.numbers.api.v1.WebHooksService;
import com.sinch.sdk.domains.numbers.models.v1.webhooks.NumberEvent;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.server.ResponseStatusException;

@RestController("Numbers")
public class Controller {

private final SinchClient sinchClient;
private final ServerBusinessLogic webhooksBusinessLogic;

/**
* The secret value used for webhook calls validation have to equals to the one configured at
* number property (HmacSecret).
*
* @see <a
* href="https://developers.sinch.com/java-sdk/apidocs/com/sinch/sdk/domains/numbers/api/v1/CallbackConfigurationService.html#update(com.sinch.sdk.domains.numbers.models.v1.callbacks.request.CallbackConfigurationUpdateRequest)">update
* function Javadoc</a>
*/
@Value("${numbers.webhooks.secret}")
private String webhooksSecret;

@Autowired
public Controller(SinchClient sinchClient, ServerBusinessLogic webhooksBusinessLogic) {
this.sinchClient = sinchClient;
Expand All @@ -26,10 +42,25 @@ public Controller(SinchClient sinchClient, ServerBusinessLogic webhooksBusinessL
value = "/NumbersEvent",
consumes = MediaType.APPLICATION_JSON_VALUE,
produces = MediaType.APPLICATION_JSON_VALUE)
public ResponseEntity<Void> NumbersEvent(@RequestBody String body) {
public ResponseEntity<Void> NumbersEvent(
@RequestHeader Map<String, String> headers, @RequestBody String body) {

WebHooksService webhooks = sinchClient.numbers().v1().webhooks();

// ensure valid authentication to handle request
var validAuth =
webhooks.validateAuthenticationHeader(
webhooksSecret,
// request headers
headers,
// request payload body
body);

// token validation failed
if (!validAuth) {
throw new ResponseStatusException(HttpStatus.UNAUTHORIZED);
}

// decode the request payload
NumberEvent event = webhooks.parseEvent(body);

Expand Down
3 changes: 3 additions & 0 deletions templates/server/src/main/resources/application.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -20,3 +20,6 @@ credentials:
# - Voice
application-api-key:
application-api-secret:

# Secret value set for Numbers webhooks calls validation
numbers.webhooks.secret:
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