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19 package org.eclipse.aether.transport.jetty;
20
21 import javax.net.ssl.*;
22
23 import java.io.File;
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.StandardCopyOption;
30 import java.nio.file.attribute.FileTime;
31 import java.security.cert.X509Certificate;
32 import java.time.format.DateTimeParseException;
33 import java.util.Collections;
34 import java.util.HashMap;
35 import java.util.Map;
36 import java.util.concurrent.ExecutionException;
37 import java.util.concurrent.TimeUnit;
38 import java.util.concurrent.atomic.AtomicBoolean;
39 import java.util.concurrent.atomic.AtomicReference;
40 import java.util.function.Function;
41 import java.util.regex.Matcher;
42
43 import org.eclipse.aether.ConfigurationProperties;
44 import org.eclipse.aether.RepositorySystemSession;
45 import org.eclipse.aether.repository.AuthenticationContext;
46 import org.eclipse.aether.repository.RemoteRepository;
47 import org.eclipse.aether.spi.connector.transport.AbstractTransporter;
48 import org.eclipse.aether.spi.connector.transport.GetTask;
49 import org.eclipse.aether.spi.connector.transport.PeekTask;
50 import org.eclipse.aether.spi.connector.transport.PutTask;
51 import org.eclipse.aether.spi.connector.transport.TransportTask;
52 import org.eclipse.aether.spi.connector.transport.http.ChecksumExtractor;
53 import org.eclipse.aether.spi.connector.transport.http.HttpTransporter;
54 import org.eclipse.aether.spi.connector.transport.http.HttpTransporterException;
55 import org.eclipse.aether.transfer.NoTransporterException;
56 import org.eclipse.aether.transfer.TransferCancelledException;
57 import org.eclipse.aether.util.ConfigUtils;
58 import org.eclipse.aether.util.FileUtils;
59 import org.eclipse.jetty.client.HttpClient;
60 import org.eclipse.jetty.client.HttpProxy;
61 import org.eclipse.jetty.client.api.Authentication;
62 import org.eclipse.jetty.client.api.Request;
63 import org.eclipse.jetty.client.api.Response;
64 import org.eclipse.jetty.client.dynamic.HttpClientTransportDynamic;
65 import org.eclipse.jetty.client.http.HttpClientConnectionFactory;
66 import org.eclipse.jetty.client.util.BasicAuthentication;
67 import org.eclipse.jetty.client.util.InputStreamResponseListener;
68 import org.eclipse.jetty.http.HttpHeader;
69 import org.eclipse.jetty.http2.client.HTTP2Client;
70 import org.eclipse.jetty.http2.client.http.ClientConnectionFactoryOverHTTP2;
71 import org.eclipse.jetty.io.ClientConnector;
72 import org.eclipse.jetty.util.ssl.SslContextFactory;
73 import org.slf4j.Logger;
74 import org.slf4j.LoggerFactory;
75
76 import static org.eclipse.aether.spi.connector.transport.http.HttpConstants.*;
77
78
79
80
81
82
83 final class JettyTransporter extends AbstractTransporter implements HttpTransporter {
84 private static final long MODIFICATION_THRESHOLD = 60L * 1000L;
85
86 private final ChecksumExtractor checksumExtractor;
87
88 private final URI baseUri;
89
90 private final HttpClient client;
91
92 private final int requestTimeout;
93
94 private final Map<String, String> headers;
95
96 private final boolean preemptiveAuth;
97
98 private final boolean preemptivePutAuth;
99
100 private final BasicAuthentication.BasicResult basicServerAuthenticationResult;
101
102 private final BasicAuthentication.BasicResult basicProxyAuthenticationResult;
103
104 JettyTransporter(RepositorySystemSession session, RemoteRepository repository, ChecksumExtractor checksumExtractor)
105 throws NoTransporterException {
106 this.checksumExtractor = checksumExtractor;
107 try {
108 URI uri = new URI(repository.getUrl()).parseServerAuthority();
109 if (uri.isOpaque()) {
110 throw new URISyntaxException(repository.getUrl(), "URL must not be opaque");
111 }
112 if (uri.getRawFragment() != null || uri.getRawQuery() != null) {
113 throw new URISyntaxException(repository.getUrl(), "URL must not have fragment or query");
114 }
115 String path = uri.getPath();
116 if (path == null) {
117 path = "/";
118 }
119 if (!path.startsWith("/")) {
120 path = "/" + path;
121 }
122 if (!path.endsWith("/")) {
123 path = path + "/";
124 }
125 this.baseUri = URI.create(uri.getScheme() + "://" + uri.getRawAuthority() + path);
126 } catch (URISyntaxException e) {
127 throw new NoTransporterException(repository, e.getMessage(), e);
128 }
129
130 HashMap<String, String> headers = new HashMap<>();
131 String userAgent = ConfigUtils.getString(
132 session, ConfigurationProperties.DEFAULT_USER_AGENT, ConfigurationProperties.USER_AGENT);
133 if (userAgent != null) {
134 headers.put(USER_AGENT, userAgent);
135 }
136 @SuppressWarnings("unchecked")
137 Map<Object, Object> configuredHeaders = (Map<Object, Object>) ConfigUtils.getMap(
138 session,
139 Collections.emptyMap(),
140 ConfigurationProperties.HTTP_HEADERS + "." + repository.getId(),
141 ConfigurationProperties.HTTP_HEADERS);
142 if (configuredHeaders != null) {
143 configuredHeaders.forEach((k, v) -> headers.put(String.valueOf(k), v != null ? String.valueOf(v) : null));
144 }
145
146 this.headers = headers;
147
148 this.requestTimeout = ConfigUtils.getInteger(
149 session,
150 ConfigurationProperties.DEFAULT_REQUEST_TIMEOUT,
151 ConfigurationProperties.REQUEST_TIMEOUT + "." + repository.getId(),
152 ConfigurationProperties.REQUEST_TIMEOUT);
153 this.preemptiveAuth = ConfigUtils.getBoolean(
154 session,
155 ConfigurationProperties.DEFAULT_HTTP_PREEMPTIVE_AUTH,
156 ConfigurationProperties.HTTP_PREEMPTIVE_AUTH + "." + repository.getId(),
157 ConfigurationProperties.HTTP_PREEMPTIVE_AUTH);
158 this.preemptivePutAuth = ConfigUtils.getBoolean(
159 session,
160 ConfigurationProperties.DEFAULT_HTTP_PREEMPTIVE_PUT_AUTH,
161 ConfigurationProperties.HTTP_PREEMPTIVE_PUT_AUTH + "." + repository.getId(),
162 ConfigurationProperties.HTTP_PREEMPTIVE_PUT_AUTH);
163
164 this.client = getOrCreateClient(session, repository);
165
166 final String instanceKey = JETTY_INSTANCE_KEY_PREFIX + repository.getId();
167 this.basicServerAuthenticationResult =
168 (BasicAuthentication.BasicResult) session.getData().get(instanceKey + ".serverAuth");
169 this.basicProxyAuthenticationResult =
170 (BasicAuthentication.BasicResult) session.getData().get(instanceKey + ".proxyAuth");
171 }
172
173 private URI resolve(TransportTask task) {
174 return baseUri.resolve(task.getLocation());
175 }
176
177 @Override
178 public int classify(Throwable error) {
179 if (error instanceof HttpTransporterException
180 && ((HttpTransporterException) error).getStatusCode() == NOT_FOUND) {
181 return ERROR_NOT_FOUND;
182 }
183 return ERROR_OTHER;
184 }
185
186 @Override
187 protected void implPeek(PeekTask task) throws Exception {
188 Request request = client.newRequest(resolve(task))
189 .timeout(requestTimeout, TimeUnit.MILLISECONDS)
190 .method("HEAD");
191 request.headers(m -> headers.forEach(m::add));
192 if (preemptiveAuth) {
193 if (basicServerAuthenticationResult != null) {
194 basicServerAuthenticationResult.apply(request);
195 }
196 if (basicProxyAuthenticationResult != null) {
197 basicProxyAuthenticationResult.apply(request);
198 }
199 }
200 Response response = request.send();
201 if (response.getStatus() >= MULTIPLE_CHOICES) {
202 throw new HttpTransporterException(response.getStatus());
203 }
204 }
205
206 @Override
207 protected void implGet(GetTask task) throws Exception {
208 boolean resume = task.getResumeOffset() > 0L && task.getDataFile() != null;
209 Response response;
210 InputStreamResponseListener listener;
211
212 while (true) {
213 Request request = client.newRequest(resolve(task))
214 .timeout(requestTimeout, TimeUnit.MILLISECONDS)
215 .method("GET");
216 request.headers(m -> headers.forEach(m::add));
217 if (preemptiveAuth) {
218 if (basicServerAuthenticationResult != null) {
219 basicServerAuthenticationResult.apply(request);
220 }
221 if (basicProxyAuthenticationResult != null) {
222 basicProxyAuthenticationResult.apply(request);
223 }
224 }
225
226 if (resume) {
227 long resumeOffset = task.getResumeOffset();
228 request.headers(h -> {
229 h.add(RANGE, "bytes=" + resumeOffset + '-');
230 h.addDateField(IF_UNMODIFIED_SINCE, task.getDataFile().lastModified() - MODIFICATION_THRESHOLD);
231 h.remove(HttpHeader.ACCEPT_ENCODING);
232 h.add(ACCEPT_ENCODING, "identity");
233 });
234 }
235
236 listener = new InputStreamResponseListener();
237 request.send(listener);
238 try {
239 response = listener.get(requestTimeout, TimeUnit.MILLISECONDS);
240 } catch (ExecutionException e) {
241 Throwable t = e.getCause();
242 if (t instanceof Exception) {
243 throw (Exception) t;
244 } else {
245 throw new RuntimeException(t);
246 }
247 }
248 if (response.getStatus() >= MULTIPLE_CHOICES) {
249 if (resume && response.getStatus() == PRECONDITION_FAILED) {
250 resume = false;
251 continue;
252 }
253 throw new HttpTransporterException(response.getStatus());
254 }
255 break;
256 }
257
258 long offset = 0L, length = response.getHeaders().getLongField(CONTENT_LENGTH);
259 if (resume) {
260 String range = response.getHeaders().get(CONTENT_RANGE);
261 if (range != null) {
262 Matcher m = CONTENT_RANGE_PATTERN.matcher(range);
263 if (!m.matches()) {
264 throw new IOException("Invalid Content-Range header for partial download: " + range);
265 }
266 offset = Long.parseLong(m.group(1));
267 length = Long.parseLong(m.group(2)) + 1L;
268 if (offset < 0L || offset >= length || (offset > 0L && offset != task.getResumeOffset())) {
269 throw new IOException("Invalid Content-Range header for partial download from offset "
270 + task.getResumeOffset() + ": " + range);
271 }
272 }
273 }
274
275 final boolean downloadResumed = offset > 0L;
276 final File dataFile = task.getDataFile();
277 if (dataFile == null) {
278 try (InputStream is = listener.getInputStream()) {
279 utilGet(task, is, true, length, downloadResumed);
280 }
281 } else {
282 try (FileUtils.CollocatedTempFile tempFile = FileUtils.newTempFile(dataFile.toPath())) {
283 task.setDataFile(tempFile.getPath().toFile(), downloadResumed);
284 if (downloadResumed && Files.isRegularFile(dataFile.toPath())) {
285 try (InputStream inputStream = Files.newInputStream(dataFile.toPath())) {
286 Files.copy(inputStream, tempFile.getPath(), StandardCopyOption.REPLACE_EXISTING);
287 }
288 }
289 try (InputStream is = listener.getInputStream()) {
290 utilGet(task, is, true, length, downloadResumed);
291 }
292 tempFile.move();
293 } finally {
294 task.setDataFile(dataFile);
295 }
296 }
297 if (task.getDataFile() != null && response.getHeaders().getDateField(LAST_MODIFIED) != -1) {
298 long lastModified =
299 response.getHeaders().getDateField(LAST_MODIFIED);
300 if (lastModified != -1) {
301 try {
302 Files.setLastModifiedTime(task.getDataFile().toPath(), FileTime.fromMillis(lastModified));
303 } catch (DateTimeParseException e) {
304
305 }
306 }
307 }
308 Map<String, String> checksums = checksumExtractor.extractChecksums(headerGetter(response));
309 if (checksums != null && !checksums.isEmpty()) {
310 checksums.forEach(task::setChecksum);
311 }
312 }
313
314 private static Function<String, String> headerGetter(Response response) {
315 return s -> response.getHeaders().get(s);
316 }
317
318 @Override
319 protected void implPut(PutTask task) throws Exception {
320 Request request = client.newRequest(resolve(task)).method("PUT").timeout(requestTimeout, TimeUnit.MILLISECONDS);
321 request.headers(m -> headers.forEach(m::add));
322 if (preemptiveAuth || preemptivePutAuth) {
323 if (basicServerAuthenticationResult != null) {
324 basicServerAuthenticationResult.apply(request);
325 }
326 if (basicProxyAuthenticationResult != null) {
327 basicProxyAuthenticationResult.apply(request);
328 }
329 }
330 request.body(new PutTaskRequestContent(task));
331 AtomicBoolean started = new AtomicBoolean(false);
332 Response response;
333 try {
334 response = request.onRequestCommit(r -> {
335 if (task.getDataLength() == 0) {
336 if (started.compareAndSet(false, true)) {
337 try {
338 task.getListener().transportStarted(0, task.getDataLength());
339 } catch (TransferCancelledException e) {
340 r.abort(e);
341 }
342 }
343 }
344 })
345 .onRequestContent((r, b) -> {
346 if (started.compareAndSet(false, true)) {
347 try {
348 task.getListener().transportStarted(0, task.getDataLength());
349 } catch (TransferCancelledException e) {
350 r.abort(e);
351 return;
352 }
353 }
354 try {
355 task.getListener().transportProgressed(b);
356 } catch (TransferCancelledException e) {
357 r.abort(e);
358 }
359 })
360 .send();
361 } catch (ExecutionException e) {
362 Throwable t = e.getCause();
363 if (t instanceof IOException) {
364 IOException ioex = (IOException) t;
365 if (ioex.getCause() instanceof TransferCancelledException) {
366 throw (TransferCancelledException) ioex.getCause();
367 } else {
368 throw ioex;
369 }
370 } else if (t instanceof Exception) {
371 throw (Exception) t;
372 } else {
373 throw new RuntimeException(t);
374 }
375 }
376 if (response.getStatus() >= MULTIPLE_CHOICES) {
377 throw new HttpTransporterException(response.getStatus());
378 }
379 }
380
381 @Override
382 protected void implClose() {
383
384 }
385
386
387
388
389 static final String JETTY_INSTANCE_KEY_PREFIX = JettyTransporterFactory.class.getName() + ".jetty.";
390
391 static final Logger LOGGER = LoggerFactory.getLogger(JettyTransporter.class);
392
393 @SuppressWarnings("checkstyle:methodlength")
394 private HttpClient getOrCreateClient(RepositorySystemSession session, RemoteRepository repository)
395 throws NoTransporterException {
396
397 final String instanceKey = JETTY_INSTANCE_KEY_PREFIX + repository.getId();
398
399 final String httpsSecurityMode = ConfigUtils.getString(
400 session,
401 ConfigurationProperties.HTTPS_SECURITY_MODE_DEFAULT,
402 ConfigurationProperties.HTTPS_SECURITY_MODE + "." + repository.getId(),
403 ConfigurationProperties.HTTPS_SECURITY_MODE);
404
405 if (!ConfigurationProperties.HTTPS_SECURITY_MODE_DEFAULT.equals(httpsSecurityMode)
406 && !ConfigurationProperties.HTTPS_SECURITY_MODE_INSECURE.equals(httpsSecurityMode)) {
407 throw new IllegalArgumentException("Unsupported '" + httpsSecurityMode + "' HTTPS security mode.");
408 }
409 final boolean insecure = ConfigurationProperties.HTTPS_SECURITY_MODE_INSECURE.equals(httpsSecurityMode);
410
411 try {
412 AtomicReference<BasicAuthentication.BasicResult> serverAuth = new AtomicReference<>(null);
413 AtomicReference<BasicAuthentication.BasicResult> proxyAuth = new AtomicReference<>(null);
414 HttpClient client = (HttpClient) session.getData().computeIfAbsent(instanceKey, () -> {
415 SSLContext sslContext = null;
416 BasicAuthentication basicAuthentication = null;
417 try {
418 try (AuthenticationContext repoAuthContext =
419 AuthenticationContext.forRepository(session, repository)) {
420 if (repoAuthContext != null) {
421 sslContext = repoAuthContext.get(AuthenticationContext.SSL_CONTEXT, SSLContext.class);
422
423 String username = repoAuthContext.get(AuthenticationContext.USERNAME);
424 String password = repoAuthContext.get(AuthenticationContext.PASSWORD);
425
426 URI uri = URI.create(repository.getUrl());
427 basicAuthentication =
428 new BasicAuthentication(uri, Authentication.ANY_REALM, username, password);
429 if (preemptiveAuth || preemptivePutAuth) {
430 serverAuth.set(new BasicAuthentication.BasicResult(
431 uri, HttpHeader.AUTHORIZATION, username, password));
432 }
433 }
434 }
435
436 if (sslContext == null) {
437 if (insecure) {
438 sslContext = SSLContext.getInstance("TLS");
439 X509TrustManager tm = new X509TrustManager() {
440 @Override
441 public void checkClientTrusted(X509Certificate[] chain, String authType) {}
442
443 @Override
444 public void checkServerTrusted(X509Certificate[] chain, String authType) {}
445
446 @Override
447 public X509Certificate[] getAcceptedIssuers() {
448 return new X509Certificate[0];
449 }
450 };
451 sslContext.init(null, new X509TrustManager[] {tm}, null);
452 } else {
453 sslContext = SSLContext.getDefault();
454 }
455 }
456
457 int connectTimeout = ConfigUtils.getInteger(
458 session,
459 ConfigurationProperties.DEFAULT_CONNECT_TIMEOUT,
460 ConfigurationProperties.CONNECT_TIMEOUT + "." + repository.getId(),
461 ConfigurationProperties.CONNECT_TIMEOUT);
462
463 SslContextFactory.Client sslContextFactory = new SslContextFactory.Client();
464 sslContextFactory.setSslContext(sslContext);
465 if (insecure) {
466 sslContextFactory.setEndpointIdentificationAlgorithm(null);
467 sslContextFactory.setHostnameVerifier((name, context) -> true);
468 }
469
470 ClientConnector clientConnector = new ClientConnector();
471 clientConnector.setSslContextFactory(sslContextFactory);
472
473 HTTP2Client http2Client = new HTTP2Client(clientConnector);
474 ClientConnectionFactoryOverHTTP2.HTTP2 http2 =
475 new ClientConnectionFactoryOverHTTP2.HTTP2(http2Client);
476
477 HttpClientTransportDynamic transport;
478 if ("https".equalsIgnoreCase(repository.getProtocol())) {
479 transport = new HttpClientTransportDynamic(
480 clientConnector, http2, HttpClientConnectionFactory.HTTP11);
481 } else {
482 transport = new HttpClientTransportDynamic(
483 clientConnector,
484 HttpClientConnectionFactory.HTTP11,
485 http2);
486 }
487
488 HttpClient httpClient = new HttpClient(transport);
489 httpClient.setConnectTimeout(connectTimeout);
490 httpClient.setFollowRedirects(true);
491 httpClient.setMaxRedirects(2);
492
493 httpClient.setUserAgentField(null);
494
495 if (basicAuthentication != null) {
496 httpClient.getAuthenticationStore().addAuthentication(basicAuthentication);
497 }
498
499 if (repository.getProxy() != null) {
500 HttpProxy proxy = new HttpProxy(
501 repository.getProxy().getHost(),
502 repository.getProxy().getPort());
503
504 httpClient.getProxyConfiguration().addProxy(proxy);
505 try (AuthenticationContext proxyAuthContext =
506 AuthenticationContext.forProxy(session, repository)) {
507 if (proxyAuthContext != null) {
508 String username = proxyAuthContext.get(AuthenticationContext.USERNAME);
509 String password = proxyAuthContext.get(AuthenticationContext.PASSWORD);
510
511 BasicAuthentication proxyAuthentication = new BasicAuthentication(
512 proxy.getURI(), Authentication.ANY_REALM, username, password);
513
514 httpClient.getAuthenticationStore().addAuthentication(proxyAuthentication);
515 if (preemptiveAuth || preemptivePutAuth) {
516 proxyAuth.set(new BasicAuthentication.BasicResult(
517 proxy.getURI(), HttpHeader.PROXY_AUTHORIZATION, username, password));
518 }
519 }
520 }
521 }
522 if (!session.addOnSessionEndedHandler(() -> {
523 try {
524 httpClient.stop();
525 } catch (Exception e) {
526 throw new RuntimeException(e);
527 }
528 })) {
529 LOGGER.warn(
530 "Using Resolver 2 feature without Resolver 2 session handling, you may leak resources.");
531 }
532 httpClient.start();
533 return httpClient;
534 } catch (Exception e) {
535 throw new WrapperEx(e);
536 }
537 });
538 if (serverAuth.get() != null) {
539 session.getData().set(instanceKey + ".serverAuth", serverAuth.get());
540 }
541 if (proxyAuth.get() != null) {
542 session.getData().set(instanceKey + ".proxyAuth", proxyAuth.get());
543 }
544 return client;
545 } catch (WrapperEx e) {
546 throw new NoTransporterException(repository, e.getCause());
547 }
548 }
549
550 private static final class WrapperEx extends RuntimeException {
551 private WrapperEx(Throwable cause) {
552 super(cause);
553 }
554 }
555 }