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Bilal Al
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Sep 11, 2024
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13 changes: 13 additions & 0 deletions
13
client/src/main/java/io/split/service/CustomHttpModule.java
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| package io.split.service; | ||
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| import io.split.client.RequestDecorator; | ||
| import io.split.client.utils.SDKMetadata; | ||
| import io.split.service.SplitHttpClient; | ||
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| import java.io.IOException; | ||
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| public interface CustomHttpModule { | ||
| public SplitHttpClient createClient(String apiToken, SDKMetadata sdkMetadata, RequestDecorator requestDecorator) throws IOException; | ||
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| } |
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211 changes: 211 additions & 0 deletions
211
http-modules/src/main/java/io/split/httpmodules/okhttp/OkHttpClientImpl.java
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| Original file line number | Diff line number | Diff line change |
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| package io.split.httpmodules.okhttp; | ||
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| import io.split.client.RequestDecorator; | ||
| import io.split.client.dtos.SplitHttpResponse; | ||
| import io.split.client.utils.SDKMetadata; | ||
| import io.split.engine.common.FetchOptions; | ||
| import io.split.service.SplitHttpClient; | ||
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| import okhttp3.*; | ||
| import okhttp3.OkHttpClient.Builder; | ||
| import okhttp3.Request.*; | ||
| import okhttp3.logging.HttpLoggingInterceptor; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import split.org.apache.hc.client5.http.classic.methods.HttpGet; | ||
| import split.org.apache.hc.core5.http.Header; | ||
| import split.org.apache.hc.core5.http.HttpEntity; | ||
| import split.org.apache.hc.core5.http.HttpRequest; | ||
| import split.org.apache.hc.core5.http.io.entity.EntityUtils; | ||
| import split.org.apache.hc.core5.http.message.BasicHeader; | ||
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| import java.io.IOException; | ||
| import java.net.HttpURLConnection; | ||
| import java.net.Proxy; | ||
| import java.net.URI; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.TimeUnit; | ||
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| public class OkHttpClientImpl implements SplitHttpClient { | ||
| public final OkHttpClient httpClient; | ||
| private static final Logger _log = LoggerFactory.getLogger(OkHttpClientImpl.class); | ||
| private static final String HEADER_CACHE_CONTROL_NAME = "Cache-Control"; | ||
| private static final String HEADER_CACHE_CONTROL_VALUE = "no-cache"; | ||
| private static final String HEADER_API_KEY = "Authorization"; | ||
| private static final String HEADER_CLIENT_KEY = "SplitSDKClientKey"; | ||
| private static final String HEADER_CLIENT_MACHINE_NAME = "SplitSDKMachineName"; | ||
| private static final String HEADER_CLIENT_MACHINE_IP = "SplitSDKMachineIP"; | ||
| private static final String HEADER_CLIENT_VERSION = "SplitSDKVersion"; | ||
| private RequestDecorator _requestDecorator; | ||
| private String _apikey; | ||
| private SDKMetadata _metadata; | ||
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| public OkHttpClientImpl(String apiToken, SDKMetadata sdkMetadata, RequestDecorator requestDecorator, | ||
| Proxy proxy, String proxyAuthKerberosPrincipalName, boolean debugEnabled, | ||
| int readTimeout, int connectionTimeout) throws IOException { | ||
| _apikey = apiToken; | ||
| _metadata = sdkMetadata; | ||
| _requestDecorator = requestDecorator; | ||
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| HttpLoggingInterceptor logging = new HttpLoggingInterceptor(); | ||
| if (debugEnabled) { | ||
| logging.setLevel(HttpLoggingInterceptor.Level.HEADERS); | ||
| } else { | ||
| logging.setLevel(HttpLoggingInterceptor.Level.NONE); | ||
| } | ||
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| Map<String, String> kerberosOptions = new HashMap<>(); | ||
| kerberosOptions.put("com.sun.security.auth.module.Krb5LoginModule", "required"); | ||
| kerberosOptions.put("refreshKrb5Config", "false"); | ||
| kerberosOptions.put("doNotPrompt", "false"); | ||
| kerberosOptions.put("useTicketCache", "true"); | ||
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| Authenticator proxyAuthenticator = getProxyAuthenticator(proxyAuthKerberosPrincipalName, kerberosOptions); | ||
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| httpClient = new okhttp3.OkHttpClient.Builder() | ||
| .proxy(proxy) | ||
| .readTimeout(readTimeout, TimeUnit.MILLISECONDS) | ||
| .connectTimeout(connectionTimeout, TimeUnit.MILLISECONDS) | ||
| .addInterceptor(logging) | ||
| .proxyAuthenticator(proxyAuthenticator) | ||
| .build(); | ||
| } | ||
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| public HTTPKerberosAuthInterceptor getProxyAuthenticator(String proxyKerberosPrincipalName, | ||
| Map<String, String> kerberosOptions) throws IOException { | ||
| return new HTTPKerberosAuthInterceptor(proxyKerberosPrincipalName, kerberosOptions); | ||
| } | ||
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| @Override | ||
| public SplitHttpResponse get(URI uri, FetchOptions options, Map<String, List<String>> additionalHeaders) { | ||
| try { | ||
| okhttp3.Request.Builder requestBuilder = new okhttp3.Request.Builder(); | ||
| requestBuilder.url(uri.toString()); | ||
| setBasicHeaders(requestBuilder); | ||
| setAdditionalAndDecoratedHeaders(requestBuilder, additionalHeaders); | ||
| if (options.cacheControlHeadersEnabled()) { | ||
| requestBuilder.addHeader(HEADER_CACHE_CONTROL_NAME, HEADER_CACHE_CONTROL_VALUE); | ||
| } | ||
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| Request request = requestBuilder.build(); | ||
| _log.debug(String.format("Request Headers: %s", request.headers())); | ||
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| Response response = httpClient.newCall(request).execute(); | ||
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| int responseCode = response.code(); | ||
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| _log.debug(String.format("[GET] %s. Status code: %s", | ||
| request.url().toString(), | ||
| responseCode)); | ||
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| String statusMessage = ""; | ||
| if (responseCode < HttpURLConnection.HTTP_OK || responseCode >= HttpURLConnection.HTTP_MULT_CHOICE) { | ||
| _log.warn(String.format("Response status was: %s. Reason: %s", responseCode, | ||
| response.message())); | ||
| statusMessage = response.message(); | ||
| } | ||
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| String responseBody = response.body().string(); | ||
| response.close(); | ||
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| return new SplitHttpResponse(responseCode, | ||
| statusMessage, | ||
| responseBody, | ||
| getResponseHeaders(response)); | ||
| } catch (Exception e) { | ||
| throw new IllegalStateException(String.format("Problem in http get operation: %s", e), e); | ||
| } | ||
| } | ||
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| @Override | ||
| public SplitHttpResponse post(URI url, HttpEntity entity, | ||
| Map<String, List<String>> additionalHeaders) { | ||
| try { | ||
| okhttp3.Request.Builder requestBuilder = getRequestBuilder(); | ||
| requestBuilder.url(url.toString()); | ||
| setBasicHeaders(requestBuilder); | ||
| setAdditionalAndDecoratedHeaders(requestBuilder, additionalHeaders); | ||
| requestBuilder.addHeader("Accept-Encoding", "gzip"); | ||
| requestBuilder.addHeader("Content-Type", "application/json"); | ||
| String post = EntityUtils.toString((HttpEntity) entity); | ||
| RequestBody postBody = RequestBody.create(post.getBytes()); | ||
| requestBuilder.post(postBody); | ||
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| Request request = getRequest(requestBuilder); | ||
| _log.debug(String.format("Request Headers: %s", request.headers())); | ||
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| Response response = httpClient.newCall(request).execute(); | ||
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| int responseCode = response.code(); | ||
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| _log.debug(String.format("[GET] %s. Status code: %s", | ||
| request.url().toString(), | ||
| responseCode)); | ||
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| String statusMessage = ""; | ||
| if (responseCode < HttpURLConnection.HTTP_OK || responseCode >= HttpURLConnection.HTTP_MULT_CHOICE) { | ||
| _log.warn(String.format("Response status was: %s. Reason: %s", responseCode, | ||
| response.message())); | ||
| statusMessage = response.message(); | ||
| } | ||
| response.close(); | ||
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| return new SplitHttpResponse(responseCode, statusMessage, "", getResponseHeaders(response)); | ||
| } catch (Exception e) { | ||
| throw new IllegalStateException(String.format("Problem in http post operation: %s", e), e); | ||
| } | ||
| } | ||
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| protected okhttp3.Request.Builder getRequestBuilder() { | ||
| return new okhttp3.Request.Builder(); | ||
| } | ||
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| protected Request getRequest(okhttp3.Request.Builder requestBuilder) { | ||
| return requestBuilder.build(); | ||
| } | ||
| protected void setBasicHeaders(okhttp3.Request.Builder requestBuilder) { | ||
| requestBuilder.addHeader(HEADER_API_KEY, "Bearer " + _apikey); | ||
| requestBuilder.addHeader(HEADER_CLIENT_VERSION, _metadata.getSdkVersion()); | ||
| requestBuilder.addHeader(HEADER_CLIENT_MACHINE_IP, _metadata.getMachineIp()); | ||
| requestBuilder.addHeader(HEADER_CLIENT_MACHINE_NAME, _metadata.getMachineName()); | ||
| requestBuilder.addHeader(HEADER_CLIENT_KEY, _apikey.length() > 4 | ||
| ? _apikey.substring(_apikey.length() - 4) | ||
| : _apikey); | ||
| } | ||
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| protected void setAdditionalAndDecoratedHeaders(okhttp3.Request.Builder requestBuilder, Map<String, List<String>> additionalHeaders) { | ||
| if (additionalHeaders != null) { | ||
| for (Map.Entry<String, List<String>> entry : additionalHeaders.entrySet()) { | ||
| for (String value : entry.getValue()) { | ||
| requestBuilder.addHeader(entry.getKey(), value); | ||
| } | ||
| } | ||
| } | ||
| HttpRequest request = new HttpGet(""); | ||
| _requestDecorator.decorateHeaders(request); | ||
| for (Header header : request.getHeaders()) { | ||
| requestBuilder.addHeader(header.getName(), header.getValue()); | ||
| } | ||
| } | ||
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| protected Header[] getResponseHeaders(Response response) { | ||
| List<BasicHeader> responseHeaders = new ArrayList<>(); | ||
| Map<String, List<String>> map = response.headers().toMultimap(); | ||
| for (Map.Entry<String, List<String>> entry : map.entrySet()) { | ||
| if (entry.getKey() != null) { | ||
| BasicHeader responseHeader = new BasicHeader(entry.getKey(), entry.getValue()); | ||
| responseHeaders.add(responseHeader); | ||
| } | ||
| } | ||
| return responseHeaders.toArray(new split.org.apache.hc.core5.http.Header[0]); | ||
| } | ||
| @Override | ||
| public void close() throws IOException { | ||
| httpClient.dispatcher().executorService().shutdown(); | ||
| } | ||
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| } |
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