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com.stripe.net.LiveStripeResponseGetter Maven / Gradle / Ivy
package com.stripe.net;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSyntaxException;
import com.stripe.Stripe;
import com.stripe.exception.*;
import com.stripe.exception.oauth.InvalidClientException;
import com.stripe.exception.oauth.InvalidGrantException;
import com.stripe.exception.oauth.InvalidScopeException;
import com.stripe.exception.oauth.OAuthException;
import com.stripe.exception.oauth.UnsupportedGrantTypeException;
import com.stripe.exception.oauth.UnsupportedResponseTypeException;
import com.stripe.model.*;
import com.stripe.model.oauth.OAuthError;
import com.stripe.util.Stopwatch;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;
import java.util.Optional;
public class LiveStripeResponseGetter implements StripeResponseGetter {
private final HttpClient httpClient;
private final StripeResponseGetterOptions options;
private final RequestTelemetry requestTelemetry = new RequestTelemetry();
@FunctionalInterface
private interface RequestSendFunction {
R apply(StripeRequest request) throws StripeException;
}
private > T sendWithTelemetry(
StripeRequest request, List usage, RequestSendFunction send)
throws StripeException {
Stopwatch stopwatch = Stopwatch.startNew();
T response = send.apply(request);
stopwatch.stop();
requestTelemetry.maybeEnqueueMetrics(response, stopwatch.getElapsed(), usage);
return response;
}
/**
* Initializes a new instance of the {@link LiveStripeResponseGetter} class with default
* parameters.
*/
public LiveStripeResponseGetter() {
this(null, null);
}
/**
* Initializes a new instance of the {@link LiveStripeResponseGetter} class.
*
* @param httpClient the HTTP client to use
*/
public LiveStripeResponseGetter(HttpClient httpClient) {
this(null, httpClient);
}
public LiveStripeResponseGetter(StripeResponseGetterOptions options, HttpClient httpClient) {
this.options = options != null ? options : GlobalStripeResponseGetterOptions.INSTANCE;
this.httpClient = (httpClient != null) ? httpClient : buildDefaultHttpClient();
}
private StripeRequest toStripeRequest(ApiRequest apiRequest, RequestOptions mergedOptions)
throws StripeException {
String fullUrl = fullUrl(apiRequest);
Optional telemetryHeaderValue = requestTelemetry.pollPayload();
StripeRequest request =
new StripeRequest(apiRequest.getMethod(), fullUrl, apiRequest.getParams(), mergedOptions);
if (telemetryHeaderValue.isPresent()) {
request =
request.withAdditionalHeader(RequestTelemetry.HEADER_NAME, telemetryHeaderValue.get());
}
return request;
}
private StripeRequest toRawStripeRequest(RawApiRequest apiRequest, RequestOptions mergedOptions)
throws StripeException {
String fullUrl = fullUrl(apiRequest);
ApiMode apiMode = apiRequest.getPath().startsWith("/v2") ? ApiMode.PREVIEW : ApiMode.V1;
Optional telemetryHeaderValue = requestTelemetry.pollPayload();
StripeRequest request =
StripeRequest.createWithStringContent(
apiRequest.getMethod(),
fullUrl,
apiRequest.getRawContent(),
mergedOptions,
apiMode == ApiMode.PREVIEW);
if (apiMode == ApiMode.PREVIEW) {
request = request.withAdditionalHeader("Stripe-Version", Stripe.PREVIEW_API_VERSION);
}
if (telemetryHeaderValue.isPresent()) {
request =
request.withAdditionalHeader(RequestTelemetry.HEADER_NAME, telemetryHeaderValue.get());
}
return request;
}
@Override
@SuppressWarnings({"TypeParameterUnusedInFormals", "unchecked"})
public T request(ApiRequest apiRequest, Type typeToken)
throws StripeException {
RequestOptions mergedOptions = RequestOptions.merge(this.options, apiRequest.getOptions());
if (RequestOptions.unsafeGetStripeVersionOverride(mergedOptions) != null) {
apiRequest = apiRequest.addUsage("unsafe_stripe_version_override");
}
StripeRequest request = toStripeRequest(apiRequest, mergedOptions);
StripeResponse response =
sendWithTelemetry(request, apiRequest.getUsage(), r -> httpClient.requestWithRetries(r));
int responseCode = response.code();
String responseBody = response.body();
String requestId = response.requestId();
if (responseCode < 200 || responseCode >= 300) {
handleError(response);
}
T resource = null;
try {
resource = (T) ApiResource.deserializeStripeObject(responseBody, typeToken, this);
} catch (JsonSyntaxException e) {
raiseMalformedJsonError(responseBody, responseCode, requestId, e);
}
if (resource instanceof StripeCollectionInterface) {
((StripeCollectionInterface) resource).setRequestOptions(apiRequest.getOptions());
((StripeCollectionInterface) resource).setRequestParams(apiRequest.getParams());
}
resource.setLastResponse(response);
return resource;
}
@Override
public InputStream requestStream(ApiRequest apiRequest) throws StripeException {
RequestOptions mergedOptions = RequestOptions.merge(this.options, apiRequest.getOptions());
if (RequestOptions.unsafeGetStripeVersionOverride(mergedOptions) != null) {
apiRequest = apiRequest.addUsage("unsafe_stripe_version_override");
}
StripeRequest request = toStripeRequest(apiRequest, mergedOptions);
StripeResponseStream responseStream =
sendWithTelemetry(
request, apiRequest.getUsage(), r -> httpClient.requestStreamWithRetries(r));
int responseCode = responseStream.code();
if (responseCode < 200 || responseCode >= 300) {
StripeResponse response;
try {
response = responseStream.unstream();
} catch (IOException e) {
throw new ApiConnectionException(
String.format(
"IOException during API request to Stripe (%s): %s "
+ "Please check your internet connection and try again. If this problem persists,"
+ "you should check Stripe's service status at https://twitter.com/stripestatus,"
+ " or let us know at [email protected] .",
Stripe.getApiBase(), e.getMessage()),
e);
}
handleError(response);
}
return responseStream.body();
}
@Override
public StripeResponse rawRequest(RawApiRequest apiRequest) throws StripeException {
RequestOptions mergedOptions = RequestOptions.merge(this.options, apiRequest.getOptions());
if (RequestOptions.unsafeGetStripeVersionOverride(mergedOptions) != null) {
apiRequest = apiRequest.addUsage("unsafe_stripe_version_override");
}
StripeRequest request = toRawStripeRequest(apiRequest, mergedOptions);
Map additionalHeaders = apiRequest.getOptions().getAdditionalHeaders();
if (additionalHeaders != null) {
for (Map.Entry entry : additionalHeaders.entrySet()) {
String key = entry.getKey();
String value = entry.getValue();
request = request.withAdditionalHeader(key, value);
}
}
StripeResponse response =
sendWithTelemetry(request, apiRequest.getUsage(), r -> httpClient.requestWithRetries(r));
int responseCode = response.code();
if (responseCode < 200 || responseCode >= 300) {
handleApiError(response);
}
return response;
}
@Override
@SuppressWarnings({"TypeParameterUnusedInFormals", "deprecation"})
public T request(
BaseAddress baseAddress,
ApiResource.RequestMethod method,
String path,
Map params,
Type typeToken,
RequestOptions options,
ApiMode apiMode)
throws StripeException {
return this.request(new ApiRequest(baseAddress, method, path, params, options), typeToken);
}
@Override
@SuppressWarnings({"TypeParameterUnusedInFormals", "deprecation"})
public InputStream requestStream(
BaseAddress baseAddress,
ApiResource.RequestMethod method,
String path,
Map params,
RequestOptions options,
ApiMode apiMode)
throws StripeException {
return this.requestStream(new ApiRequest(baseAddress, method, path, params, options));
}
private static HttpClient buildDefaultHttpClient() {
return new HttpURLConnectionClient();
}
private static void raiseMalformedJsonError(
String responseBody, int responseCode, String requestId, Throwable e) throws ApiException {
String details = e == null ? "none" : e.getMessage();
throw new ApiException(
String.format(
"Invalid response object from API: %s. (HTTP response code was %d). Additional details: %s.",
responseBody, responseCode, details),
requestId,
null,
responseCode,
e);
}
private void handleError(StripeResponse response) throws StripeException {
JsonObject responseBody = ApiResource.GSON.fromJson(response.body(), JsonObject.class);
/*
OAuth errors are JSON objects where `error` is a string. In
contrast, in API errors, `error` is a hash with sub-keys. We use
this property to distinguish between OAuth and API errors.
*/
if (responseBody.has("error") && responseBody.get("error").isJsonPrimitive()) {
JsonPrimitive error = responseBody.getAsJsonPrimitive("error");
if (error.isString()) {
handleOAuthError(response);
}
} else {
handleApiError(response);
}
}
private void handleApiError(StripeResponse response) throws StripeException {
StripeError error = null;
StripeException exception = null;
try {
JsonObject jsonObject =
ApiResource.INTERNAL_GSON
.fromJson(response.body(), JsonObject.class)
.getAsJsonObject("error");
error = ApiResource.deserializeStripeObject(jsonObject.toString(), StripeError.class, this);
} catch (JsonSyntaxException e) {
raiseMalformedJsonError(response.body(), response.code(), response.requestId(), e);
}
if (error == null) {
raiseMalformedJsonError(response.body(), response.code(), response.requestId(), null);
}
error.setLastResponse(response);
switch (response.code()) {
case 400:
case 404:
if ("idempotency_error".equals(error.getType())) {
exception =
new IdempotencyException(
error.getMessage(), response.requestId(), error.getCode(), response.code());
} else {
exception =
new InvalidRequestException(
error.getMessage(),
error.getParam(),
response.requestId(),
error.getCode(),
response.code(),
null);
}
break;
case 401:
exception =
new AuthenticationException(
error.getMessage(), response.requestId(), error.getCode(), response.code());
break;
case 402:
exception =
new CardException(
error.getMessage(),
response.requestId(),
error.getCode(),
error.getParam(),
error.getDeclineCode(),
error.getCharge(),
response.code(),
null);
break;
case 403:
exception =
new PermissionException(
error.getMessage(), response.requestId(), error.getCode(), response.code());
break;
case 429:
exception =
new RateLimitException(
error.getMessage(),
error.getParam(),
response.requestId(),
error.getCode(),
response.code(),
null);
break;
default:
exception =
new ApiException(
error.getMessage(), response.requestId(), error.getCode(), response.code(), null);
break;
}
exception.setStripeError(error);
throw exception;
}
private void handleOAuthError(StripeResponse response) throws StripeException {
OAuthError error = null;
StripeException exception = null;
try {
error = ApiResource.deserializeStripeObject(response.body(), OAuthError.class, this);
} catch (JsonSyntaxException e) {
raiseMalformedJsonError(response.body(), response.code(), response.requestId(), e);
}
if (error == null) {
raiseMalformedJsonError(response.body(), response.code(), response.requestId(), null);
}
error.setLastResponse(response);
String code = error.getError();
String description = (error.getErrorDescription() != null) ? error.getErrorDescription() : code;
switch (code) {
case "invalid_client":
exception =
new InvalidClientException(
code, description, response.requestId(), response.code(), null);
break;
case "invalid_grant":
exception =
new InvalidGrantException(
code, description, response.requestId(), response.code(), null);
break;
case "invalid_request":
exception =
new com.stripe.exception.oauth.InvalidRequestException(
code, description, response.requestId(), response.code(), null);
break;
case "invalid_scope":
exception =
new InvalidScopeException(
code, description, response.requestId(), response.code(), null);
break;
case "unsupported_grant_type":
exception =
new UnsupportedGrantTypeException(
code, description, response.requestId(), response.code(), null);
break;
case "unsupported_response_type":
exception =
new UnsupportedResponseTypeException(
code, description, response.requestId(), response.code(), null);
break;
default:
exception = new ApiException(code, response.requestId(), null, response.code(), null);
break;
}
if (exception instanceof OAuthException) {
((OAuthException) exception).setOauthError(error);
}
throw exception;
}
@Override
public void validateRequestOptions(RequestOptions options) {
if ((options == null || options.getApiKey() == null) && this.options.getApiKey() == null) {
throw new ApiKeyMissingException(
"API key is not set. You can set the API key globally using Stripe.ApiKey, or by passing RequestOptions");
}
}
private String fullUrl(BaseApiRequest apiRequest) {
BaseAddress baseAddress = apiRequest.getBaseAddress();
RequestOptions options = apiRequest.getOptions();
String relativeUrl = apiRequest.getPath();
String baseUrl;
switch (baseAddress) {
case API:
baseUrl = this.options.getApiBase();
break;
case CONNECT:
baseUrl = this.options.getConnectBase();
break;
case FILES:
baseUrl = this.options.getFilesBase();
break;
default:
throw new IllegalArgumentException("Unknown base address " + baseAddress);
}
if (options != null && options.getBaseUrl() != null) {
baseUrl = options.getBaseUrl();
}
return String.format("%s%s", baseUrl, relativeUrl);
}
}
