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19 package org.eclipse.aether.transport.jetty;
20
21 import javax.net.ssl.SSLContext;
22 import javax.net.ssl.X509TrustManager;
23
24 import java.io.IOException;
25 import java.io.InputStream;
26 import java.net.URI;
27 import java.net.URISyntaxException;
28 import java.nio.file.Files;
29 import java.nio.file.Path;
30 import java.nio.file.StandardCopyOption;
31 import java.security.cert.X509Certificate;
32 import java.util.HashMap;
33 import java.util.Map;
34 import java.util.concurrent.ExecutionException;
35 import java.util.concurrent.TimeUnit;
36 import java.util.concurrent.atomic.AtomicBoolean;
37 import java.util.concurrent.atomic.AtomicReference;
38 import java.util.function.Function;
39 import java.util.regex.Matcher;
40
41 import org.eclipse.aether.ConfigurationProperties;
42 import org.eclipse.aether.RepositorySystemSession;
43 import org.eclipse.aether.repository.AuthenticationContext;
44 import org.eclipse.aether.repository.RemoteRepository;
45 import org.eclipse.aether.spi.connector.transport.AbstractTransporter;
46 import org.eclipse.aether.spi.connector.transport.GetTask;
47 import org.eclipse.aether.spi.connector.transport.PeekTask;
48 import org.eclipse.aether.spi.connector.transport.PutTask;
49 import org.eclipse.aether.spi.connector.transport.TransportTask;
50 import org.eclipse.aether.spi.connector.transport.http.ChecksumExtractor;
51 import org.eclipse.aether.spi.connector.transport.http.HttpTransporter;
52 import org.eclipse.aether.spi.connector.transport.http.HttpTransporterException;
53 import org.eclipse.aether.spi.io.PathProcessor;
54 import org.eclipse.aether.transfer.NoTransporterException;
55 import org.eclipse.aether.transfer.TransferCancelledException;
56 import org.eclipse.aether.util.ConfigUtils;
57 import org.eclipse.aether.util.connector.transport.http.HttpTransporterUtils;
58 import org.eclipse.jetty.client.Authentication;
59 import org.eclipse.jetty.client.BasicAuthentication;
60 import org.eclipse.jetty.client.HttpClient;
61 import org.eclipse.jetty.client.HttpProxy;
62 import org.eclipse.jetty.client.InputStreamResponseListener;
63 import org.eclipse.jetty.client.Request;
64 import org.eclipse.jetty.client.Response;
65 import org.eclipse.jetty.client.transport.HttpClientConnectionFactory;
66 import org.eclipse.jetty.client.transport.HttpClientTransportDynamic;
67 import org.eclipse.jetty.http.HttpHeader;
68 import org.eclipse.jetty.http2.client.HTTP2Client;
69 import org.eclipse.jetty.http2.client.transport.ClientConnectionFactoryOverHTTP2;
70 import org.eclipse.jetty.io.ClientConnector;
71 import org.eclipse.jetty.util.ssl.SslContextFactory;
72
73 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.ACCEPT_ENCODING;
74 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.CONTENT_LENGTH;
75 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.CONTENT_RANGE;
76 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.CONTENT_RANGE_PATTERN;
77 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.IF_UNMODIFIED_SINCE;
78 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.LAST_MODIFIED;
79 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.MULTIPLE_CHOICES;
80 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.PRECONDITION_FAILED;
81 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.RANGE;
82 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.USER_AGENT;
83
84
85
86
87
88
89 final class JettyTransporter extends AbstractTransporter implements HttpTransporter {
90 private static final long MODIFICATION_THRESHOLD = 60L * 1000L;
91
92 private final RepositorySystemSession session;
93
94 private final RemoteRepository repository;
95
96 private final ChecksumExtractor checksumExtractor;
97
98 private final PathProcessor pathProcessor;
99
100 private final URI baseUri;
101
102 private final HttpClient client;
103
104 private final int connectTimeout;
105
106 private final int requestTimeout;
107
108 private final Map<String, String> headers;
109
110 private final boolean preemptiveAuth;
111
112 private final boolean preemptivePutAuth;
113
114 private final boolean insecure;
115
116 private final AtomicReference<BasicAuthentication.BasicResult> basicServerAuthenticationResult;
117
118 private final AtomicReference<BasicAuthentication.BasicResult> basicProxyAuthenticationResult;
119
120 JettyTransporter(
121 RepositorySystemSession session,
122 RemoteRepository repository,
123 ChecksumExtractor checksumExtractor,
124 PathProcessor pathProcessor)
125 throws NoTransporterException {
126 this.session = session;
127 this.repository = repository;
128 this.checksumExtractor = checksumExtractor;
129 this.pathProcessor = pathProcessor;
130 try {
131 this.baseUri = HttpTransporterUtils.getBaseUri(repository);
132 } catch (URISyntaxException e) {
133 throw new NoTransporterException(repository, e.getMessage(), e);
134 }
135
136 HashMap<String, String> headers = new HashMap<>();
137 String userAgent = HttpTransporterUtils.getUserAgent(session, repository);
138 if (userAgent != null) {
139 headers.put(USER_AGENT, userAgent);
140 }
141 Map<String, String> configuredHeaders = HttpTransporterUtils.getHttpHeaders(session, repository);
142 if (configuredHeaders != null) {
143 headers.putAll(configuredHeaders);
144 }
145
146 this.headers = headers;
147
148 this.connectTimeout = HttpTransporterUtils.getHttpRequestTimeout(session, repository);
149 this.requestTimeout = HttpTransporterUtils.getHttpRequestTimeout(session, repository);
150 this.preemptiveAuth = HttpTransporterUtils.isHttpPreemptiveAuth(session, repository);
151 this.preemptivePutAuth = HttpTransporterUtils.isHttpPreemptivePutAuth(session, repository);
152 final String httpsSecurityMode = HttpTransporterUtils.getHttpsSecurityMode(session, repository);
153 this.insecure = ConfigurationProperties.HTTPS_SECURITY_MODE_INSECURE.equals(httpsSecurityMode);
154
155 this.basicServerAuthenticationResult = new AtomicReference<>(null);
156 this.basicProxyAuthenticationResult = new AtomicReference<>(null);
157 this.client = createClient();
158 }
159
160 private void mayApplyPreemptiveAuth(Request request) {
161 if (basicServerAuthenticationResult.get() != null) {
162 basicServerAuthenticationResult.get().apply(request);
163 }
164 if (basicProxyAuthenticationResult.get() != null) {
165 basicProxyAuthenticationResult.get().apply(request);
166 }
167 }
168
169 private URI resolve(TransportTask task) {
170 return baseUri.resolve(task.getLocation());
171 }
172
173 @Override
174 protected void implPeek(PeekTask task) throws Exception {
175 Request request = client.newRequest(resolve(task)).method("HEAD");
176 request.headers(m -> headers.forEach(m::add));
177 if (preemptiveAuth) {
178 mayApplyPreemptiveAuth(request);
179 }
180 Response response = request.send();
181 if (response.getStatus() >= MULTIPLE_CHOICES) {
182 throw new HttpTransporterException(response.getStatus());
183 }
184 }
185
186 @Override
187 protected void implGet(GetTask task) throws Exception {
188 boolean resume = task.getResumeOffset() > 0L && task.getDataPath() != null;
189 Response response;
190 InputStreamResponseListener listener;
191
192 while (true) {
193 Request request = client.newRequest(resolve(task)).method("GET");
194 request.headers(m -> headers.forEach(m::add));
195 if (preemptiveAuth) {
196 mayApplyPreemptiveAuth(request);
197 }
198 JettyRFC9457Reporter.INSTANCE.prepareRequest(request);
199 if (resume) {
200 long resumeOffset = task.getResumeOffset();
201 long lastModified =
202 Files.getLastModifiedTime(task.getDataPath()).toMillis();
203 request.headers(h -> {
204 h.add(RANGE, "bytes=" + resumeOffset + '-');
205 h.addDateField(IF_UNMODIFIED_SINCE, lastModified - MODIFICATION_THRESHOLD);
206 h.remove(HttpHeader.ACCEPT_ENCODING);
207 h.add(ACCEPT_ENCODING, "identity");
208 });
209 }
210
211 listener = new InputStreamResponseListener();
212 request.send(listener);
213 try {
214 response = listener.get(requestTimeout, TimeUnit.MILLISECONDS);
215 } catch (ExecutionException e) {
216 Throwable t = e.getCause();
217 if (t instanceof Exception) {
218 throw (Exception) t;
219 } else {
220 throw new RuntimeException(t);
221 }
222 }
223 if (response.getStatus() >= MULTIPLE_CHOICES) {
224 if (resume && response.getStatus() == PRECONDITION_FAILED) {
225 resume = false;
226 continue;
227 }
228 JettyRFC9457Reporter.INSTANCE.generateException(listener, (statusCode, reasonPhrase) -> {
229 throw new HttpTransporterException(statusCode);
230 });
231 }
232 break;
233 }
234
235 long offset = 0L, length = response.getHeaders().getLongField(CONTENT_LENGTH);
236 if (resume) {
237 String range = response.getHeaders().get(CONTENT_RANGE);
238 if (range != null) {
239 Matcher m = CONTENT_RANGE_PATTERN.matcher(range);
240 if (!m.matches()) {
241 throw new IOException("Invalid Content-Range header for partial download: " + range);
242 }
243 offset = Long.parseLong(m.group(1));
244 length = Long.parseLong(m.group(2)) + 1L;
245 if (offset < 0L || offset >= length || (offset > 0L && offset != task.getResumeOffset())) {
246 throw new IOException("Invalid Content-Range header for partial download from offset "
247 + task.getResumeOffset() + ": " + range);
248 }
249 }
250 }
251
252 final boolean downloadResumed = offset > 0L;
253 final Path dataFile = task.getDataPath();
254 if (dataFile == null) {
255 try (InputStream is = listener.getInputStream()) {
256 utilGet(task, is, true, length, downloadResumed);
257 }
258 } else {
259 try (PathProcessor.CollocatedTempFile tempFile = pathProcessor.newTempFile(dataFile)) {
260 task.setDataPath(tempFile.getPath(), downloadResumed);
261 if (downloadResumed && Files.isRegularFile(dataFile)) {
262 try (InputStream inputStream = Files.newInputStream(dataFile)) {
263 Files.copy(inputStream, tempFile.getPath(), StandardCopyOption.REPLACE_EXISTING);
264 }
265 }
266 try (InputStream is = listener.getInputStream()) {
267 utilGet(task, is, true, length, downloadResumed);
268 }
269 tempFile.move();
270 } finally {
271 task.setDataPath(dataFile);
272 }
273 }
274 if (task.getDataPath() != null && response.getHeaders().getDateField(LAST_MODIFIED) != -1) {
275 long lastModified =
276 response.getHeaders().getDateField(LAST_MODIFIED);
277 if (lastModified != -1) {
278 pathProcessor.setLastModified(task.getDataPath(), lastModified);
279 }
280 }
281 Map<String, String> checksums = checksumExtractor.extractChecksums(headerGetter(response));
282 if (checksums != null && !checksums.isEmpty()) {
283 checksums.forEach(task::setChecksum);
284 }
285 }
286
287 private static Function<String, String> headerGetter(Response response) {
288 return s -> response.getHeaders().get(s);
289 }
290
291 @Override
292 protected void implPut(PutTask task) throws Exception {
293 Request request = client.newRequest(resolve(task)).method("PUT");
294 request.headers(m -> headers.forEach(m::add));
295 JettyRFC9457Reporter.INSTANCE.prepareRequest(request);
296 if (preemptiveAuth || preemptivePutAuth) {
297 mayApplyPreemptiveAuth(request);
298 }
299 request.body(PutTaskRequestContent.from(task));
300 AtomicBoolean started = new AtomicBoolean(false);
301 Response response;
302 InputStreamResponseListener listener = new InputStreamResponseListener();
303 try {
304 request.onRequestCommit(r -> {
305 if (task.getDataLength() == 0) {
306 if (started.compareAndSet(false, true)) {
307 try {
308 task.getListener().transportStarted(0, task.getDataLength());
309 } catch (TransferCancelledException e) {
310 r.abort(e);
311 }
312 }
313 }
314 })
315 .onRequestContent((r, b) -> {
316 if (started.compareAndSet(false, true)) {
317 try {
318 task.getListener().transportStarted(0, task.getDataLength());
319 } catch (TransferCancelledException e) {
320 r.abort(e);
321 return;
322 }
323 }
324 try {
325 task.getListener().transportProgressed(b);
326 } catch (TransferCancelledException e) {
327 r.abort(e);
328 }
329 })
330 .send(listener);
331 response = listener.get(requestTimeout, TimeUnit.MILLISECONDS);
332 } catch (ExecutionException e) {
333 Throwable t = e.getCause();
334 if (t instanceof IOException ioex) {
335 if (ioex.getCause() instanceof TransferCancelledException) {
336 throw (TransferCancelledException) ioex.getCause();
337 } else {
338 throw ioex;
339 }
340 } else if (t instanceof Exception) {
341 throw (Exception) t;
342 } else {
343 throw new RuntimeException(t);
344 }
345 }
346
347 if (response.getStatus() >= MULTIPLE_CHOICES) {
348 JettyRFC9457Reporter.INSTANCE.generateException(listener, (statusCode, reasonPhrase) -> {
349 throw new HttpTransporterException(statusCode);
350 });
351 throw new HttpTransporterException(response.getStatus());
352 }
353 }
354
355 @Override
356 protected void implClose() {
357 try {
358 this.client.stop();
359 } catch (Exception e) {
360 throw new RuntimeException(e);
361 }
362 }
363
364 @SuppressWarnings("checkstyle:methodlength")
365 private HttpClient createClient() throws RuntimeException {
366 BasicAuthentication.BasicResult serverAuth = null;
367 BasicAuthentication.BasicResult proxyAuth = null;
368 SSLContext sslContext = null;
369 BasicAuthentication basicAuthentication = null;
370 try (AuthenticationContext repoAuthContext = AuthenticationContext.forRepository(session, repository)) {
371 if (repoAuthContext != null) {
372 sslContext = repoAuthContext.get(AuthenticationContext.SSL_CONTEXT, SSLContext.class);
373
374 String username = repoAuthContext.get(AuthenticationContext.USERNAME);
375 String password = repoAuthContext.get(AuthenticationContext.PASSWORD);
376
377 URI uri = URI.create(repository.getUrl());
378 basicAuthentication = new BasicAuthentication(uri, Authentication.ANY_REALM, username, password);
379 if (preemptiveAuth || preemptivePutAuth) {
380 serverAuth = new BasicAuthentication.BasicResult(uri, HttpHeader.AUTHORIZATION, username, password);
381 }
382 }
383 }
384
385 if (sslContext == null) {
386 try {
387 if (insecure) {
388 sslContext = SSLContext.getInstance("TLS");
389 X509TrustManager tm = new X509TrustManager() {
390 @Override
391 public void checkClientTrusted(X509Certificate[] chain, String authType) {}
392
393 @Override
394 public void checkServerTrusted(X509Certificate[] chain, String authType) {}
395
396 @Override
397 public X509Certificate[] getAcceptedIssuers() {
398 return new X509Certificate[0];
399 }
400 };
401 sslContext.init(null, new X509TrustManager[] {tm}, null);
402 } else {
403 sslContext = SSLContext.getDefault();
404 }
405 } catch (Exception e) {
406 if (e instanceof RuntimeException) {
407 throw (RuntimeException) e;
408 } else {
409 throw new IllegalStateException("SSL Context setup failure", e);
410 }
411 }
412 }
413
414 SslContextFactory.Client sslContextFactory = new SslContextFactory.Client();
415 sslContextFactory.setSslContext(sslContext);
416 if (insecure) {
417 sslContextFactory.setEndpointIdentificationAlgorithm(null);
418 sslContextFactory.setHostnameVerifier((name, context) -> true);
419 }
420
421 ClientConnector clientConnector = new ClientConnector();
422 clientConnector.setSslContextFactory(sslContextFactory);
423
424 HTTP2Client http2Client = new HTTP2Client(clientConnector);
425 ClientConnectionFactoryOverHTTP2.HTTP2 http2 = new ClientConnectionFactoryOverHTTP2.HTTP2(http2Client);
426
427 HttpClientTransportDynamic transport;
428 if ("https".equalsIgnoreCase(repository.getProtocol())) {
429 transport = new HttpClientTransportDynamic(
430 clientConnector, http2, HttpClientConnectionFactory.HTTP11);
431 } else {
432 transport = new HttpClientTransportDynamic(
433 clientConnector, HttpClientConnectionFactory.HTTP11, http2);
434 }
435
436 HttpClient httpClient = new HttpClient(transport);
437 httpClient.setConnectTimeout(connectTimeout);
438 httpClient.setIdleTimeout(requestTimeout);
439 httpClient.setFollowRedirects(ConfigUtils.getBoolean(
440 session,
441 JettyTransporterConfigurationKeys.DEFAULT_FOLLOW_REDIRECTS,
442 JettyTransporterConfigurationKeys.CONFIG_PROP_FOLLOW_REDIRECTS));
443 httpClient.setMaxRedirects(ConfigUtils.getInteger(
444 session,
445 JettyTransporterConfigurationKeys.DEFAULT_MAX_REDIRECTS,
446 JettyTransporterConfigurationKeys.CONFIG_PROP_MAX_REDIRECTS));
447
448 httpClient.setUserAgentField(null);
449
450 if (basicAuthentication != null) {
451 httpClient.getAuthenticationStore().addAuthentication(basicAuthentication);
452 }
453
454 if (repository.getProxy() != null) {
455 HttpProxy proxy = new HttpProxy(
456 repository.getProxy().getHost(), repository.getProxy().getPort());
457
458 httpClient.getProxyConfiguration().addProxy(proxy);
459 try (AuthenticationContext proxyAuthContext = AuthenticationContext.forProxy(session, repository)) {
460 if (proxyAuthContext != null) {
461 String username = proxyAuthContext.get(AuthenticationContext.USERNAME);
462 String password = proxyAuthContext.get(AuthenticationContext.PASSWORD);
463
464 BasicAuthentication proxyAuthentication =
465 new BasicAuthentication(proxy.getURI(), Authentication.ANY_REALM, username, password);
466
467 httpClient.getAuthenticationStore().addAuthentication(proxyAuthentication);
468 if (preemptiveAuth || preemptivePutAuth) {
469 proxyAuth = new BasicAuthentication.BasicResult(
470 proxy.getURI(), HttpHeader.PROXY_AUTHORIZATION, username, password);
471 }
472 }
473 }
474 }
475 if (serverAuth != null) {
476 this.basicServerAuthenticationResult.set(serverAuth);
477 }
478 if (proxyAuth != null) {
479 this.basicProxyAuthenticationResult.set(proxyAuth);
480 }
481
482 try {
483 httpClient.start();
484 return httpClient;
485 } catch (Exception e) {
486 if (e instanceof RuntimeException) {
487 throw (RuntimeException) e;
488 } else {
489 throw new IllegalStateException("Jetty client start failure", e);
490 }
491 }
492 }
493 }