View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.internal.aether;
20  
21  import java.nio.file.Path;
22  import java.nio.file.Paths;
23  import java.util.ArrayList;
24  import java.util.Arrays;
25  import java.util.HashMap;
26  import java.util.HashSet;
27  import java.util.LinkedHashMap;
28  import java.util.List;
29  import java.util.Map;
30  import java.util.function.Predicate;
31  import java.util.stream.Collectors;
32  
33  import org.apache.maven.api.Constants;
34  import org.apache.maven.api.di.Inject;
35  import org.apache.maven.api.di.Named;
36  import org.apache.maven.api.di.Singleton;
37  import org.apache.maven.api.services.TypeRegistry;
38  import org.apache.maven.api.xml.XmlNode;
39  import org.apache.maven.eventspy.internal.EventSpyDispatcher;
40  import org.apache.maven.execution.MavenExecutionRequest;
41  import org.apache.maven.internal.impl.resolver.MavenSessionBuilderSupplier;
42  import org.apache.maven.internal.xml.XmlNodeImpl;
43  import org.apache.maven.internal.xml.XmlPlexusConfiguration;
44  import org.apache.maven.model.ModelBase;
45  import org.apache.maven.resolver.RepositorySystemSessionFactory;
46  import org.apache.maven.rtinfo.RuntimeInformation;
47  import org.apache.maven.settings.Mirror;
48  import org.apache.maven.settings.Proxy;
49  import org.apache.maven.settings.Server;
50  import org.apache.maven.settings.building.SettingsProblem;
51  import org.apache.maven.settings.crypto.DefaultSettingsDecryptionRequest;
52  import org.apache.maven.settings.crypto.SettingsDecrypter;
53  import org.apache.maven.settings.crypto.SettingsDecryptionResult;
54  import org.codehaus.plexus.configuration.PlexusConfiguration;
55  import org.eclipse.aether.ConfigurationProperties;
56  import org.eclipse.aether.RepositoryListener;
57  import org.eclipse.aether.RepositorySystem;
58  import org.eclipse.aether.RepositorySystemSession;
59  import org.eclipse.aether.RepositorySystemSession.SessionBuilder;
60  import org.eclipse.aether.artifact.Artifact;
61  import org.eclipse.aether.artifact.DefaultArtifact;
62  import org.eclipse.aether.collection.VersionFilter;
63  import org.eclipse.aether.repository.RepositoryPolicy;
64  import org.eclipse.aether.resolution.ResolutionErrorPolicy;
65  import org.eclipse.aether.util.graph.version.ChainedVersionFilter;
66  import org.eclipse.aether.util.graph.version.ContextualSnapshotVersionFilter;
67  import org.eclipse.aether.util.graph.version.HighestVersionFilter;
68  import org.eclipse.aether.util.graph.version.LowestVersionFilter;
69  import org.eclipse.aether.util.graph.version.PredicateVersionFilter;
70  import org.eclipse.aether.util.listener.ChainedRepositoryListener;
71  import org.eclipse.aether.util.repository.AuthenticationBuilder;
72  import org.eclipse.aether.util.repository.DefaultAuthenticationSelector;
73  import org.eclipse.aether.util.repository.DefaultMirrorSelector;
74  import org.eclipse.aether.util.repository.DefaultProxySelector;
75  import org.eclipse.aether.util.repository.SimpleArtifactDescriptorPolicy;
76  import org.eclipse.aether.util.repository.SimpleResolutionErrorPolicy;
77  import org.eclipse.aether.version.InvalidVersionSpecificationException;
78  import org.eclipse.aether.version.Version;
79  import org.eclipse.aether.version.VersionRange;
80  import org.eclipse.aether.version.VersionScheme;
81  import org.slf4j.Logger;
82  import org.slf4j.LoggerFactory;
83  
84  import static java.util.Objects.requireNonNull;
85  
86  /**
87   * @since 3.3.0
88   */
89  @Named
90  @Singleton
91  public class DefaultRepositorySystemSessionFactory implements RepositorySystemSessionFactory {
92  
93      public static final String MAVEN_RESOLVER_TRANSPORT_DEFAULT = "default";
94  
95      public static final String MAVEN_RESOLVER_TRANSPORT_WAGON = "wagon";
96  
97      public static final String MAVEN_RESOLVER_TRANSPORT_APACHE = "apache";
98  
99      public static final String MAVEN_RESOLVER_TRANSPORT_JDK = "jdk";
100 
101     /**
102      * This name for Apache HttpClient transport is deprecated.
103      *
104      * @deprecated Renamed to {@link #MAVEN_RESOLVER_TRANSPORT_APACHE}
105      */
106     @Deprecated
107     private static final String MAVEN_RESOLVER_TRANSPORT_NATIVE = "native";
108 
109     public static final String MAVEN_RESOLVER_TRANSPORT_AUTO = "auto";
110 
111     private static final String WAGON_TRANSPORTER_PRIORITY_KEY = "aether.priority.WagonTransporterFactory";
112 
113     private static final String APACHE_HTTP_TRANSPORTER_PRIORITY_KEY = "aether.priority.ApacheTransporterFactory";
114 
115     private static final String JDK_HTTP_TRANSPORTER_PRIORITY_KEY = "aether.priority.JdkTransporterFactory";
116 
117     private static final String FILE_TRANSPORTER_PRIORITY_KEY = "aether.priority.FileTransporterFactory";
118 
119     private static final String RESOLVER_MAX_PRIORITY = String.valueOf(Float.MAX_VALUE);
120 
121     private final Logger logger = LoggerFactory.getLogger(getClass());
122 
123     private final RepositorySystem repoSystem;
124 
125     private final SettingsDecrypter settingsDecrypter;
126 
127     private final EventSpyDispatcher eventSpyDispatcher;
128 
129     private final RuntimeInformation runtimeInformation;
130 
131     private final TypeRegistry typeRegistry;
132 
133     private final VersionScheme versionScheme;
134 
135     private final Map<String, MavenExecutionRequestExtender> requestExtenders;
136 
137     private final Map<String, RepositorySystemSessionExtender> sessionExtenders;
138 
139     @SuppressWarnings("checkstyle:ParameterNumber")
140     @Inject
141     DefaultRepositorySystemSessionFactory(
142             RepositorySystem repoSystem,
143             SettingsDecrypter settingsDecrypter,
144             EventSpyDispatcher eventSpyDispatcher,
145             RuntimeInformation runtimeInformation,
146             TypeRegistry typeRegistry,
147             VersionScheme versionScheme,
148             Map<String, MavenExecutionRequestExtender> requestExtenders,
149             Map<String, RepositorySystemSessionExtender> sessionExtenders) {
150         this.repoSystem = repoSystem;
151         this.settingsDecrypter = settingsDecrypter;
152         this.eventSpyDispatcher = eventSpyDispatcher;
153         this.runtimeInformation = runtimeInformation;
154         this.typeRegistry = typeRegistry;
155         this.versionScheme = versionScheme;
156         this.requestExtenders = requestExtenders;
157         this.sessionExtenders = sessionExtenders;
158     }
159 
160     @Deprecated
161     public RepositorySystemSession newRepositorySession(MavenExecutionRequest request) {
162         return newRepositorySessionBuilder(request).build();
163     }
164 
165     @SuppressWarnings({"checkstyle:methodLength"})
166     public SessionBuilder newRepositorySessionBuilder(MavenExecutionRequest request) {
167         requireNonNull(request, "request");
168 
169         // apply MavenExecutionRequestExtenders
170         for (MavenExecutionRequestExtender requestExtender : requestExtenders.values()) {
171             requestExtender.extend(request);
172         }
173 
174         MavenSessionBuilderSupplier supplier = new MavenSessionBuilderSupplier(repoSystem);
175         SessionBuilder sessionBuilder = supplier.get();
176         sessionBuilder.setArtifactTypeRegistry(new TypeRegistryAdapter(typeRegistry)); // dynamic
177         sessionBuilder.setCache(request.getRepositoryCache());
178 
179         // this map is read ONLY to get config from (profiles + env + system + user)
180         Map<String, String> mergedProps = createMergedProperties(request);
181 
182         // configProps map is kept "pristine", is written ONLY, the mandatory resolver config
183         Map<String, Object> configProps = new LinkedHashMap<>();
184         configProps.put(ConfigurationProperties.USER_AGENT, getUserAgent());
185         configProps.put(ConfigurationProperties.INTERACTIVE, request.isInteractiveMode());
186         configProps.put("maven.startTime", request.getStartTime());
187 
188         sessionBuilder.setOffline(request.isOffline());
189         sessionBuilder.setChecksumPolicy(request.getGlobalChecksumPolicy());
190         sessionBuilder.setUpdatePolicy(
191                 request.isNoSnapshotUpdates()
192                         ? RepositoryPolicy.UPDATE_POLICY_NEVER
193                         : request.isUpdateSnapshots() ? RepositoryPolicy.UPDATE_POLICY_ALWAYS : null);
194 
195         int errorPolicy = 0;
196         errorPolicy |= request.isCacheNotFound()
197                 ? ResolutionErrorPolicy.CACHE_NOT_FOUND
198                 : ResolutionErrorPolicy.CACHE_DISABLED;
199         errorPolicy |= request.isCacheTransferError()
200                 ? ResolutionErrorPolicy.CACHE_TRANSFER_ERROR
201                 : ResolutionErrorPolicy.CACHE_DISABLED;
202         sessionBuilder.setResolutionErrorPolicy(
203                 new SimpleResolutionErrorPolicy(errorPolicy, errorPolicy | ResolutionErrorPolicy.CACHE_NOT_FOUND));
204 
205         sessionBuilder.setArtifactDescriptorPolicy(new SimpleArtifactDescriptorPolicy(
206                 request.isIgnoreMissingArtifactDescriptor(), request.isIgnoreInvalidArtifactDescriptor()));
207 
208         VersionFilter versionFilter = buildVersionFilter(mergedProps.get(Constants.MAVEN_VERSION_FILTERS));
209         if (versionFilter != null) {
210             sessionBuilder.setVersionFilter(versionFilter);
211         }
212 
213         DefaultSettingsDecryptionRequest decrypt = new DefaultSettingsDecryptionRequest();
214         decrypt.setProxies(request.getProxies());
215         decrypt.setServers(request.getServers());
216         SettingsDecryptionResult decrypted = settingsDecrypter.decrypt(decrypt);
217 
218         if (logger.isDebugEnabled()) {
219             for (SettingsProblem problem : decrypted.getProblems()) {
220                 logger.debug(problem.getMessage(), problem.getException());
221             }
222         }
223 
224         DefaultMirrorSelector mirrorSelector = new DefaultMirrorSelector();
225         for (Mirror mirror : request.getMirrors()) {
226             mirrorSelector.add(
227                     mirror.getId(),
228                     mirror.getUrl(),
229                     mirror.getLayout(),
230                     false,
231                     mirror.isBlocked(),
232                     mirror.getMirrorOf(),
233                     mirror.getMirrorOfLayouts());
234         }
235         sessionBuilder.setMirrorSelector(mirrorSelector);
236 
237         DefaultProxySelector proxySelector = new DefaultProxySelector();
238         for (Proxy proxy : decrypted.getProxies()) {
239             AuthenticationBuilder authBuilder = new AuthenticationBuilder();
240             authBuilder.addUsername(proxy.getUsername()).addPassword(proxy.getPassword());
241             proxySelector.add(
242                     new org.eclipse.aether.repository.Proxy(
243                             proxy.getProtocol(), proxy.getHost(), proxy.getPort(), authBuilder.build()),
244                     proxy.getNonProxyHosts());
245         }
246         sessionBuilder.setProxySelector(proxySelector);
247 
248         // Note: we do NOT use WagonTransportConfigurationKeys here as Maven Core does NOT depend on Wagon Transport
249         // and this is okay and "good thing".
250         DefaultAuthenticationSelector authSelector = new DefaultAuthenticationSelector();
251         for (Server server : decrypted.getServers()) {
252             AuthenticationBuilder authBuilder = new AuthenticationBuilder();
253             authBuilder.addUsername(server.getUsername()).addPassword(server.getPassword());
254             authBuilder.addPrivateKey(server.getPrivateKey(), server.getPassphrase());
255             authSelector.add(server.getId(), authBuilder.build());
256 
257             if (server.getConfiguration() != null) {
258                 XmlNode dom = server.getDelegate().getConfiguration();
259                 List<XmlNode> children = dom.getChildren().stream()
260                         .filter(c -> !"wagonProvider".equals(c.getName()))
261                         .collect(Collectors.toList());
262                 dom = new XmlNodeImpl(dom.getName(), null, null, children, null);
263                 PlexusConfiguration config = XmlPlexusConfiguration.toPlexusConfiguration(dom);
264                 configProps.put("aether.transport.wagon.config." + server.getId(), config);
265 
266                 // Translate to proper resolver configuration properties as well (as Plexus XML above is Wagon specific
267                 // only) but support only configuration/httpConfiguration/all, see
268                 // https://maven.apache.org/guides/mini/guide-http-settings.html
269                 Map<String, String> headers = null;
270                 Integer connectTimeout = null;
271                 Integer requestTimeout = null;
272 
273                 PlexusConfiguration httpHeaders = config.getChild("httpHeaders", false);
274                 if (httpHeaders != null) {
275                     PlexusConfiguration[] properties = httpHeaders.getChildren("property");
276                     if (properties != null && properties.length > 0) {
277                         headers = new HashMap<>();
278                         for (PlexusConfiguration property : properties) {
279                             headers.put(
280                                     property.getChild("name").getValue(),
281                                     property.getChild("value").getValue());
282                         }
283                     }
284                 }
285 
286                 PlexusConfiguration connectTimeoutXml = config.getChild("connectTimeout", false);
287                 if (connectTimeoutXml != null) {
288                     connectTimeout = Integer.parseInt(connectTimeoutXml.getValue());
289                 } else {
290                     // fallback configuration name
291                     PlexusConfiguration httpConfiguration = config.getChild("httpConfiguration", false);
292                     if (httpConfiguration != null) {
293                         PlexusConfiguration httpConfigurationAll = httpConfiguration.getChild("all", false);
294                         if (httpConfigurationAll != null) {
295                             connectTimeoutXml = httpConfigurationAll.getChild("connectionTimeout", false);
296                             if (connectTimeoutXml != null) {
297                                 connectTimeout = Integer.parseInt(connectTimeoutXml.getValue());
298                                 logger.warn("Settings for server {} uses legacy format", server.getId());
299                             }
300                         }
301                     }
302                 }
303 
304                 PlexusConfiguration requestTimeoutXml = config.getChild("requestTimeout", false);
305                 if (requestTimeoutXml != null) {
306                     requestTimeout = Integer.parseInt(requestTimeoutXml.getValue());
307                 } else {
308                     // fallback configuration name
309                     PlexusConfiguration httpConfiguration = config.getChild("httpConfiguration", false);
310                     if (httpConfiguration != null) {
311                         PlexusConfiguration httpConfigurationAll = httpConfiguration.getChild("all", false);
312                         if (httpConfigurationAll != null) {
313                             requestTimeoutXml = httpConfigurationAll.getChild("readTimeout", false);
314                             if (requestTimeoutXml != null) {
315                                 requestTimeout = Integer.parseInt(requestTimeoutXml.getValue());
316                                 logger.warn("Settings for server {} uses legacy format", server.getId());
317                             }
318                         }
319                     }
320                 }
321 
322                 // org.eclipse.aether.ConfigurationProperties.HTTP_HEADERS => Map<String, String>
323                 if (headers != null) {
324                     configProps.put(ConfigurationProperties.HTTP_HEADERS + "." + server.getId(), headers);
325                 }
326                 // org.eclipse.aether.ConfigurationProperties.CONNECT_TIMEOUT => int
327                 if (connectTimeout != null) {
328                     configProps.put(ConfigurationProperties.CONNECT_TIMEOUT + "." + server.getId(), connectTimeout);
329                 }
330                 // org.eclipse.aether.ConfigurationProperties.REQUEST_TIMEOUT => int
331                 if (requestTimeout != null) {
332                     configProps.put(ConfigurationProperties.REQUEST_TIMEOUT + "." + server.getId(), requestTimeout);
333                 }
334             }
335 
336             configProps.put("aether.transport.wagon.perms.fileMode." + server.getId(), server.getFilePermissions());
337             configProps.put("aether.transport.wagon.perms.dirMode." + server.getId(), server.getDirectoryPermissions());
338         }
339         sessionBuilder.setAuthenticationSelector(authSelector);
340 
341         Object transport =
342                 mergedProps.getOrDefault(Constants.MAVEN_RESOLVER_TRANSPORT, MAVEN_RESOLVER_TRANSPORT_DEFAULT);
343         if (MAVEN_RESOLVER_TRANSPORT_DEFAULT.equals(transport)) {
344             // The "default" mode (user did not set anything) from now on defaults to AUTO
345         } else if (MAVEN_RESOLVER_TRANSPORT_JDK.equals(transport)) {
346             // Make sure (whatever extra priority is set) that resolver file/jdk is selected
347             configProps.put(FILE_TRANSPORTER_PRIORITY_KEY, RESOLVER_MAX_PRIORITY);
348             configProps.put(JDK_HTTP_TRANSPORTER_PRIORITY_KEY, RESOLVER_MAX_PRIORITY);
349         } else if (MAVEN_RESOLVER_TRANSPORT_APACHE.equals(transport)
350                 || MAVEN_RESOLVER_TRANSPORT_NATIVE.equals(transport)) {
351             if (MAVEN_RESOLVER_TRANSPORT_NATIVE.equals(transport)) {
352                 logger.warn(
353                         "Transport name '{}' is DEPRECATED/RENAMED, use '{}' instead",
354                         MAVEN_RESOLVER_TRANSPORT_NATIVE,
355                         MAVEN_RESOLVER_TRANSPORT_APACHE);
356             }
357             // Make sure (whatever extra priority is set) that resolver file/apache is selected
358             configProps.put(FILE_TRANSPORTER_PRIORITY_KEY, RESOLVER_MAX_PRIORITY);
359             configProps.put(APACHE_HTTP_TRANSPORTER_PRIORITY_KEY, RESOLVER_MAX_PRIORITY);
360         } else if (MAVEN_RESOLVER_TRANSPORT_WAGON.equals(transport)) {
361             // Make sure (whatever extra priority is set) that wagon is selected
362             configProps.put(WAGON_TRANSPORTER_PRIORITY_KEY, RESOLVER_MAX_PRIORITY);
363         } else if (!MAVEN_RESOLVER_TRANSPORT_AUTO.equals(transport)) {
364             throw new IllegalArgumentException("Unknown resolver transport '" + transport
365                     + "'. Supported transports are: " + MAVEN_RESOLVER_TRANSPORT_WAGON + ", "
366                     + MAVEN_RESOLVER_TRANSPORT_APACHE + ", " + MAVEN_RESOLVER_TRANSPORT_JDK + ", "
367                     + MAVEN_RESOLVER_TRANSPORT_AUTO);
368         }
369 
370         sessionBuilder.setIgnoreArtifactDescriptorRepositories(request.isIgnoreTransitiveRepositories());
371 
372         sessionBuilder.setTransferListener(request.getTransferListener());
373 
374         RepositoryListener repositoryListener = eventSpyDispatcher.chainListener(new LoggingRepositoryListener(logger));
375 
376         boolean recordReverseTree = Boolean.parseBoolean(
377                 mergedProps.getOrDefault(Constants.MAVEN_REPO_LOCAL_RECORD_REVERSE_TREE, Boolean.FALSE.toString()));
378         if (recordReverseTree) {
379             repositoryListener = new ChainedRepositoryListener(repositoryListener, new ReverseTreeRepositoryListener());
380         }
381         sessionBuilder.setRepositoryListener(repositoryListener);
382 
383         // may be overridden
384         String resolverDependencyManagerTransitivity = mergedProps.getOrDefault(
385                 Constants.MAVEN_RESOLVER_DEPENDENCY_MANAGER_TRANSITIVITY, Boolean.TRUE.toString());
386         sessionBuilder.setDependencyManager(
387                 supplier.getDependencyManager(Boolean.parseBoolean(resolverDependencyManagerTransitivity)));
388 
389         ArrayList<Path> paths = new ArrayList<>();
390         paths.add(Paths.get(request.getLocalRepository().getBasedir()));
391         String localRepoTail = mergedProps.get(Constants.MAVEN_REPO_LOCAL_TAIL);
392         if (localRepoTail != null) {
393             Arrays.stream(localRepoTail.split(","))
394                     .filter(p -> p != null && !p.trim().isEmpty())
395                     .map(Paths::get)
396                     .forEach(paths::add);
397         }
398         sessionBuilder.withLocalRepositoryBaseDirectories(paths);
399 
400         for (RepositorySystemSessionExtender extender : sessionExtenders.values()) {
401             extender.extend(request, configProps, mirrorSelector, proxySelector, authSelector);
402         }
403 
404         // at this point we have "config" with pure MANDATORY resolver config, so resolver final config properties are
405         // mergedProperties + configProperties
406         HashMap<String, Object> finalConfigProperties = new HashMap<>();
407         finalConfigProperties.putAll(mergedProps);
408         finalConfigProperties.putAll(configProps);
409 
410         sessionBuilder.setUserProperties(request.getUserProperties());
411         sessionBuilder.setSystemProperties(request.getSystemProperties());
412         sessionBuilder.setConfigProperties(finalConfigProperties);
413 
414         return sessionBuilder;
415     }
416 
417     private VersionFilter buildVersionFilter(String filterExpression) {
418         ArrayList<VersionFilter> filters = new ArrayList<>();
419         if (filterExpression != null) {
420             List<String> expressions = Arrays.stream(filterExpression.split(";"))
421                     .filter(s -> s != null && !s.trim().isEmpty())
422                     .toList();
423             for (String expression : expressions) {
424                 if ("h".equals(expression)) {
425                     filters.add(new HighestVersionFilter());
426                 } else if (expression.startsWith("h(") && expression.endsWith(")")) {
427                     int num = Integer.parseInt(expression.substring(2, expression.length() - 1));
428                     filters.add(new HighestVersionFilter(num));
429                 } else if ("l".equals(expression)) {
430                     filters.add(new LowestVersionFilter());
431                 } else if (expression.startsWith("l(") && expression.endsWith(")")) {
432                     int num = Integer.parseInt(expression.substring(2, expression.length() - 1));
433                     filters.add(new LowestVersionFilter(num));
434                 } else if ("s".equals(expression)) {
435                     filters.add(new ContextualSnapshotVersionFilter());
436                 } else if (expression.startsWith("e(") && expression.endsWith(")")) {
437                     Artifact artifact = new DefaultArtifact(expression.substring(2, expression.length() - 1));
438                     VersionRange versionRange =
439                             artifact.getVersion().contains(",") ? parseVersionRange(artifact.getVersion()) : null;
440                     Predicate<Artifact> predicate = a -> {
441                         if (artifact.getGroupId().equals(a.getGroupId())
442                                 && artifact.getArtifactId().equals(a.getArtifactId())) {
443                             if (versionRange != null) {
444                                 Version v = parseVersion(a.getVersion());
445                                 return !versionRange.containsVersion(v);
446                             } else {
447                                 return !artifact.getVersion().equals(a.getVersion());
448                             }
449                         }
450                         return true;
451                     };
452                     filters.add(new PredicateVersionFilter(predicate));
453                 } else {
454                     throw new IllegalArgumentException("Unsupported filter expression: " + expression);
455                 }
456             }
457         }
458         if (filters.isEmpty()) {
459             return null;
460         } else if (filters.size() == 1) {
461             return filters.get(0);
462         } else {
463             return ChainedVersionFilter.newInstance(filters);
464         }
465     }
466 
467     private Version parseVersion(String spec) {
468         try {
469             return versionScheme.parseVersion(spec);
470         } catch (InvalidVersionSpecificationException e) {
471             throw new RuntimeException(e);
472         }
473     }
474 
475     private VersionRange parseVersionRange(String spec) {
476         try {
477             return versionScheme.parseVersionRange(spec);
478         } catch (InvalidVersionSpecificationException e) {
479             throw new RuntimeException(e);
480         }
481     }
482 
483     @SuppressWarnings({"unchecked", "rawtypes"})
484     private Map<String, String> createMergedProperties(MavenExecutionRequest request) {
485         // this throwaway map is really ONLY to get config from (profiles + env + system + user)
486         Map<String, String> mergedProps = new HashMap<>();
487         mergedProps.putAll(getPropertiesFromRequestedProfiles(request));
488         mergedProps.putAll(new HashMap<String, String>((Map) request.getSystemProperties()));
489         mergedProps.putAll(new HashMap<String, String>((Map) request.getUserProperties()));
490         return mergedProps;
491     }
492 
493     private Map<String, String> getPropertiesFromRequestedProfiles(MavenExecutionRequest request) {
494         HashSet<String> activeProfileId =
495                 new HashSet<>(request.getProfileActivation().getRequiredActiveProfileIds());
496         activeProfileId.addAll(request.getProfileActivation().getOptionalActiveProfileIds());
497 
498         return request.getProfiles().stream()
499                 .filter(profile -> activeProfileId.contains(profile.getId()))
500                 .map(ModelBase::getProperties)
501                 .flatMap(properties -> properties.entrySet().stream())
502                 .filter(e -> e.getValue() != null)
503                 .collect(Collectors.toMap(
504                         e -> String.valueOf(e.getKey()), e -> String.valueOf(e.getValue()), (k1, k2) -> k2));
505     }
506 
507     private String getUserAgent() {
508         String version = runtimeInformation.getMavenVersion();
509         version = version.isEmpty() ? version : "/" + version;
510         return "Apache-Maven" + version + " (Java " + System.getProperty("java.version") + "; "
511                 + System.getProperty("os.name") + " " + System.getProperty("os.version") + ")";
512     }
513 }