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1   package io.apicurio.registry.maven;
2   
3   import com.fasterxml.jackson.databind.JsonNode;
4   import com.fasterxml.jackson.databind.ObjectMapper;
5   import com.google.protobuf.Descriptors.FileDescriptor;
6   import io.apicurio.registry.content.ContentHandle;
7   import io.apicurio.registry.content.TypedContent;
8   import io.apicurio.registry.content.refs.ExternalReference;
9   import io.apicurio.registry.content.refs.ReferenceFinder;
10  import io.apicurio.registry.maven.refs.IndexedResource;
11  import io.apicurio.registry.maven.refs.ReferenceIndex;
12  import io.apicurio.registry.rest.client.RegistryClient;
13  import io.apicurio.registry.rest.client.models.ArtifactReference;
14  import io.apicurio.registry.rest.client.models.CreateArtifact;
15  import io.apicurio.registry.rest.client.models.CreateVersion;
16  import io.apicurio.registry.rest.client.models.IfArtifactExists;
17  import io.apicurio.registry.rest.client.models.ProblemDetails;
18  import io.apicurio.registry.rest.client.models.RuleViolationProblemDetails;
19  import io.apicurio.registry.rest.client.models.VersionContent;
20  import io.apicurio.registry.rest.client.models.VersionMetaData;
21  import io.apicurio.registry.types.ArtifactType;
22  import io.apicurio.registry.types.ContentTypes;
23  import io.apicurio.registry.types.provider.ArtifactTypeUtilProvider;
24  import io.apicurio.registry.types.provider.DefaultArtifactTypeUtilProviderImpl;
25  import io.vertx.core.Vertx;
26  import org.apache.avro.Schema;
27  import org.apache.commons.io.FileUtils;
28  import org.apache.maven.plugin.MojoExecutionException;
29  import org.apache.maven.plugin.MojoFailureException;
30  import org.apache.maven.plugins.annotations.Mojo;
31  import org.apache.maven.plugins.annotations.Parameter;
32  
33  import java.io.File;
34  import java.io.FileInputStream;
35  import java.io.FileNotFoundException;
36  import java.io.IOException;
37  import java.io.InputStream;
38  import java.nio.charset.StandardCharsets;
39  import java.nio.file.Files;
40  import java.nio.file.Path;
41  import java.nio.file.Paths;
42  import java.util.ArrayList;
43  import java.util.Collection;
44  import java.util.List;
45  import java.util.Set;
46  import java.util.Stack;
47  import java.util.concurrent.ExecutionException;
48  import java.util.stream.Collectors;
49  
50  /**
51   * Register artifacts against registry.
52   */
53  @Mojo(name = "register")
54  public class RegisterRegistryMojo extends AbstractRegistryMojo {
55  
56      /**
57       * The list of pre-registered artifacts that can be used as references.
58       */
59      @Parameter(required = false)
60      List<ExistingReference> existingReferences;
61  
62      /**
63       * The list of artifacts to register.
64       */
65      @Parameter(required = true)
66      List<RegisterArtifact> artifacts;
67  
68      /**
69       * Set this to 'true' to skip registering the artifact(s). Convenient in case you want to skip for specific occasions.
70       */
71      @Parameter(property = "skipRegister", defaultValue = "false")
72      boolean skip;
73  
74      /**
75       * Set this to 'true' to perform the action with the "dryRun" option enabled. This will effectively test
76       * whether registration *would have worked*. But it results in no changes made on the server.
77       */
78      @Parameter(property = "dryRun", defaultValue = "false")
79      boolean dryRun;
80  
81      DefaultArtifactTypeUtilProviderImpl utilProviderFactory = new DefaultArtifactTypeUtilProviderImpl();
82  
83      /**
84       * Validate the configuration.
85       */
86      protected boolean validate() throws MojoExecutionException {
87          if (skip) {
88              getLog().info("register is skipped.");
89              return false;
90          }
91  
92          if (artifacts == null || artifacts.isEmpty()) {
93              getLog().warn("No artifacts are configured for registration.");
94              return false;
95          }
96  
97          if (existingReferences == null) {
98              existingReferences = new ArrayList<>();
99          }
100 
101         int idx = 0;
102         int errorCount = 0;
103         for (RegisterArtifact artifact : artifacts) {
104             if (artifact.getGroupId() == null) {
105                 getLog().error(String.format(
106                         "GroupId is required when registering an artifact.  Missing from artifacts[%d].",
107                         idx));
108                 errorCount++;
109             }
110             if (artifact.getArtifactId() == null) {
111                 getLog().error(String.format(
112                         "ArtifactId is required when registering an artifact.  Missing from artifacts[%s].",
113                         idx));
114                 errorCount++;
115             }
116             if (artifact.getFile() == null) {
117                 getLog().error(String.format(
118                         "File is required when registering an artifact.  Missing from artifacts[%s].", idx));
119                 errorCount++;
120             } else if (!artifact.getFile().exists()) {
121                 getLog().error(
122                         String.format("Artifact file to register is configured but file does not exist: %s",
123                                 artifact.getFile().getPath()));
124                 errorCount++;
125             }
126 
127             idx++;
128         }
129 
130         if (errorCount > 0) {
131             throw new MojoExecutionException(
132                     "Invalid configuration of the Register Artifact(s) mojo. See the output log for details.");
133         }
134         return true;
135     }
136 
137     @Override
138     protected void executeInternal() throws MojoExecutionException {
139         int errorCount = 0;
140         if (validate()) {
141             Vertx vertx = createVertx();
142             RegistryClient registryClient = createClient(vertx);
143 
144             for (RegisterArtifact artifact : artifacts) {
145                 String groupId = artifact.getGroupId();
146                 String artifactId = artifact.getArtifactId();
147                 try {
148                     if (artifact.getAutoRefs() != null && artifact.getAutoRefs()) {
149                         // If we have references, then we'll need to create the local resource index and then
150                         // process all refs.
151                         ReferenceIndex index = createIndex(artifact.getFile());
152                         addExistingReferencesToIndex(registryClient, index, existingReferences);
153                         addExistingReferencesToIndex(registryClient, index, artifact.getExistingReferences());
154                         Stack<RegisterArtifact> registrationStack = new Stack<>();
155 
156                         registerWithAutoRefs(registryClient, artifact, index, registrationStack);
157                     } else if (artifact.getAnalyzeDirectory() != null && artifact.getAnalyzeDirectory()) { // Auto
158                         // register
159                         // selected,
160                         // we
161                         // must
162                         // figure
163                         // out
164                         // if
165                         // the
166                         // artifact
167                         // has
168                         // reference
169                         // using
170                         // the
171                         // directory
172                         // structure
173                         registerDirectory(registryClient, artifact);
174                     } else {
175 
176                         List<ArtifactReference> references = new ArrayList<>();
177                         // First, we check if the artifact being processed has references defined
178                         if (hasReferences(artifact)) {
179                             references = processArtifactReferences(registryClient, artifact.getReferences());
180                         }
181                         registerArtifact(registryClient, artifact, references);
182                     }
183                 } catch (Exception e) {
184                     errorCount++;
185                     getLog().error(String.format("Exception while registering artifact [%s] / [%s]", groupId,
186                             artifactId), e);
187                 }
188 
189             }
190 
191             if (errorCount > 0) {
192                 throw new MojoExecutionException("Errors while registering artifacts ...");
193             }
194         }
195     }
196 
197     private VersionMetaData registerWithAutoRefs(RegistryClient registryClient, RegisterArtifact artifact,
198             ReferenceIndex index, Stack<RegisterArtifact> registrationStack) throws IOException,
199             ExecutionException, InterruptedException, MojoExecutionException, MojoFailureException {
200         if (loopDetected(artifact, registrationStack)) {
201             throw new RuntimeException(
202                     "Artifact reference loop detected (not supported): " + printLoop(registrationStack));
203         }
204         registrationStack.push(artifact);
205 
206         // Read the artifact content.
207         ContentHandle artifactContent = readContent(artifact.getFile());
208         String artifactContentType = getContentTypeByExtension(artifact.getFile().getName());
209         TypedContent typedArtifactContent = TypedContent.create(artifactContent, artifactContentType);
210 
211         // Find all references in the content
212         ArtifactTypeUtilProvider provider = this.utilProviderFactory
213                 .getArtifactTypeProvider(artifact.getArtifactType());
214         ReferenceFinder referenceFinder = provider.getReferenceFinder();
215         Set<ExternalReference> externalReferences = referenceFinder
216                 .findExternalReferences(typedArtifactContent);
217 
218         // Register all of the references first, then register the artifact.
219         List<ArtifactReference> registeredReferences = new ArrayList<>(externalReferences.size());
220         for (ExternalReference externalRef : externalReferences) {
221             IndexedResource iresource = index.lookup(externalRef.getResource(),
222                     Paths.get(artifact.getFile().toURI()));
223 
224             // TODO: need a way to resolve references that are not local (already registered in the registry)
225             if (iresource == null) {
226                 throw new RuntimeException("Reference could not be resolved.  From: "
227                         + artifact.getFile().getName() + "  To: " + externalRef.getFullReference());
228             }
229 
230             // If the resource isn't already registered, then register it now.
231             if (!iresource.isRegistered()) {
232                 // TODO: determine the artifactId better (type-specific logic here?)
233                 String artifactId = externalRef.getResource();
234                 File localFile = getLocalFile(iresource.getPath());
235                 RegisterArtifact refArtifact = buildFromRoot(artifact, artifactId);
236                 refArtifact.setArtifactType(iresource.getType());
237                 refArtifact.setVersion(null);
238                 refArtifact.setFile(localFile);
239                 refArtifact.setContentType(getContentTypeByExtension(localFile.getName()));
240                 try {
241                     var car = registerWithAutoRefs(registryClient, refArtifact, index, registrationStack);
242                     iresource.setRegistration(car);
243                 } catch (IOException | ExecutionException | InterruptedException e) {
244                     throw new RuntimeException(e);
245                 }
246             }
247 
248             var reference = new ArtifactReference();
249             reference.setName(externalRef.getFullReference());
250             reference.setVersion(iresource.getRegistration().getVersion());
251             reference.setGroupId(iresource.getRegistration().getGroupId());
252             reference.setArtifactId(iresource.getRegistration().getArtifactId());
253             registeredReferences.add(reference);
254         }
255         registeredReferences.sort((ref1, ref2) -> ref1.getName().compareTo(ref2.getName()));
256 
257         registrationStack.pop();
258         return registerArtifact(registryClient, artifact, registeredReferences);
259     }
260 
261     private void registerDirectory(RegistryClient registryClient, RegisterArtifact artifact)
262             throws IOException, ExecutionException, InterruptedException, MojoExecutionException,
263             MojoFailureException {
264         switch (artifact.getArtifactType()) {
265             case ArtifactType.AVRO:
266                 final AvroDirectoryParser avroDirectoryParser = new AvroDirectoryParser(registryClient);
267                 final ParsedDirectoryWrapper<Schema> schema = avroDirectoryParser.parse(artifact.getFile());
268                 registerArtifact(registryClient, artifact, avroDirectoryParser
269                         .handleSchemaReferences(artifact, schema.getSchema(), schema.getSchemaContents()));
270                 break;
271             case ArtifactType.PROTOBUF:
272                 final ProtobufDirectoryParser protobufDirectoryParser = new ProtobufDirectoryParser(
273                         registryClient);
274                 final ParsedDirectoryWrapper<FileDescriptor> protoSchema = protobufDirectoryParser
275                         .parse(artifact.getFile());
276                 registerArtifact(registryClient, artifact, protobufDirectoryParser.handleSchemaReferences(
277                         artifact, protoSchema.getSchema(), protoSchema.getSchemaContents()));
278                 break;
279             case ArtifactType.JSON:
280                 final JsonSchemaDirectoryParser jsonSchemaDirectoryParser = new JsonSchemaDirectoryParser(
281                         registryClient);
282                 final ParsedDirectoryWrapper<org.everit.json.schema.Schema> jsonSchema = jsonSchemaDirectoryParser
283                         .parse(artifact.getFile());
284                 registerArtifact(registryClient, artifact, jsonSchemaDirectoryParser.handleSchemaReferences(
285                         artifact, jsonSchema.getSchema(), jsonSchema.getSchemaContents()));
286                 break;
287             default:
288                 throw new IllegalArgumentException(
289                         String.format("Artifact type not recognized for analyzing a directory structure %s",
290                                 artifact.getArtifactType()));
291         }
292     }
293 
294     private VersionMetaData registerArtifact(RegistryClient registryClient, RegisterArtifact artifact,
295             List<ArtifactReference> references) throws FileNotFoundException, ExecutionException,
296             InterruptedException, MojoExecutionException, MojoFailureException {
297         if (artifact.getFile() != null) {
298             return registerArtifact(registryClient, artifact, new FileInputStream(artifact.getFile()),
299                     references);
300         } else {
301             return getArtifactVersionMetadata(registryClient, artifact);
302         }
303     }
304 
305     private VersionMetaData getArtifactVersionMetadata(RegistryClient registryClient,
306             RegisterArtifact artifact) {
307         String groupId = artifact.getGroupId();
308         String artifactId = artifact.getArtifactId();
309         String version = artifact.getVersion();
310 
311         VersionMetaData amd = registryClient.groups().byGroupId(groupId).artifacts().byArtifactId(artifactId)
312                 .versions().byVersionExpression(version).get();
313         getLog().info(String.format("Successfully processed artifact [%s] / [%s].  GlobalId is [%d]", groupId,
314                 artifactId, amd.getGlobalId()));
315 
316         return amd;
317     }
318 
319     private VersionMetaData registerArtifact(RegistryClient registryClient, RegisterArtifact artifact,
320             InputStream artifactContent, List<ArtifactReference> references)
321             throws ExecutionException, InterruptedException, MojoFailureException, MojoExecutionException {
322         String groupId = artifact.getGroupId();
323         String artifactId = artifact.getArtifactId();
324         String version = artifact.getVersion();
325         String type = artifact.getArtifactType();
326         Boolean canonicalize = artifact.getCanonicalize();
327         String ct = artifact.getContentType() == null ? ContentTypes.APPLICATION_JSON
328             : artifact.getContentType();
329         String data = null;
330         try {
331             if (artifact.getMinify() != null && artifact.getMinify()) {
332                 ObjectMapper objectMapper = new ObjectMapper();
333                 JsonNode jsonNode = objectMapper.readValue(artifactContent, JsonNode.class);
334                 data = jsonNode.toString();
335             } else {
336                 data = new String(artifactContent.readAllBytes(), StandardCharsets.UTF_8);
337             }
338         } catch (IOException e) {
339             throw new RuntimeException(e);
340         }
341 
342         CreateArtifact createArtifact = new CreateArtifact();
343         createArtifact.setArtifactId(artifactId);
344         createArtifact.setArtifactType(type);
345 
346         CreateVersion createVersion = new CreateVersion();
347         createVersion.setVersion(version);
348         createArtifact.setFirstVersion(createVersion);
349 
350         VersionContent content = new VersionContent();
351         content.setContent(data);
352         content.setContentType(ct);
353         content.setReferences(references.stream().map(r -> {
354             ArtifactReference ref = new ArtifactReference();
355             ref.setArtifactId(r.getArtifactId());
356             ref.setGroupId(r.getGroupId());
357             ref.setVersion(r.getVersion());
358             ref.setName(r.getName());
359             return ref;
360         }).collect(Collectors.toList()));
361         createVersion.setContent(content);
362 
363         try {
364             var vmd = registryClient.groups().byGroupId(groupId).artifacts().post(createArtifact, config -> {
365                 if (artifact.getIfExists() != null) {
366                     config.queryParameters.ifExists = IfArtifactExists
367                             .forValue(artifact.getIfExists().value());
368                     if (dryRun) {
369                         config.queryParameters.dryRun = true;
370                     }
371                 }
372                 config.queryParameters.canonical = canonicalize;
373             });
374 
375             getLog().info(String.format("Successfully registered artifact [%s] / [%s].  GlobalId is [%d]",
376                     groupId, artifactId, vmd.getVersion().getGlobalId()));
377 
378             return vmd.getVersion();
379         } catch (RuleViolationProblemDetails | ProblemDetails e) {
380             logAndThrow(e);
381             return null;
382         }
383     }
384 
385     private static boolean hasReferences(RegisterArtifact artifact) {
386         return artifact.getReferences() != null && !artifact.getReferences().isEmpty();
387     }
388 
389     private List<ArtifactReference> processArtifactReferences(RegistryClient registryClient,
390             List<RegisterArtifactReference> referencedArtifacts) throws FileNotFoundException,
391             ExecutionException, InterruptedException, MojoExecutionException, MojoFailureException {
392         List<ArtifactReference> references = new ArrayList<>();
393         for (RegisterArtifactReference artifact : referencedArtifacts) {
394             List<ArtifactReference> nestedReferences = new ArrayList<>();
395             // First, we check if the artifact being processed has references defined, and register them if
396             // needed
397             if (hasReferences(artifact)) {
398                 nestedReferences = processArtifactReferences(registryClient, artifact.getReferences());
399             }
400             final VersionMetaData artifactMetaData = registerArtifact(registryClient, artifact,
401                     nestedReferences);
402             references.add(buildReferenceFromMetadata(artifactMetaData, artifact.getName()));
403         }
404         return references;
405     }
406 
407     public void setArtifacts(List<RegisterArtifact> artifacts) {
408         this.artifacts = artifacts;
409     }
410 
411     public void setSkip(boolean skip) {
412         this.skip = skip;
413     }
414 
415     private static ArtifactReference buildReferenceFromMetadata(VersionMetaData metaData,
416             String referenceName) {
417         ArtifactReference reference = new ArtifactReference();
418         reference.setName(referenceName);
419         reference.setArtifactId(metaData.getArtifactId());
420         reference.setGroupId(metaData.getGroupId());
421         reference.setVersion(metaData.getVersion());
422         return reference;
423     }
424 
425     /**
426      * Create a local index relative to the given file location.
427      *
428      * @param file
429      */
430     private static ReferenceIndex createIndex(File file) {
431         ReferenceIndex index = new ReferenceIndex(file.getParentFile().toPath());
432         Collection<File> allFiles = FileUtils.listFiles(file.getParentFile(), null, true);
433         allFiles.stream().filter(f -> f.isFile()).forEach(f -> {
434             index.index(f.toPath(), readContent(f));
435         });
436         return index;
437     }
438 
439     private void addExistingReferencesToIndex(RegistryClient registryClient, ReferenceIndex index,
440             List<ExistingReference> existingReferences) throws ExecutionException, InterruptedException {
441         if (existingReferences != null && !existingReferences.isEmpty()) {
442             for (ExistingReference ref : existingReferences) {
443                 VersionMetaData vmd;
444                 if (ref.getVersion() == null || "LATEST".equalsIgnoreCase(ref.getVersion())) {
445                     vmd = registryClient.groups().byGroupId(ref.getGroupId()).artifacts()
446                             .byArtifactId(ref.getArtifactId()).versions().byVersionExpression("branch=latest")
447                             .get();
448                 } else {
449                     vmd = new VersionMetaData();
450                     vmd.setGroupId(ref.getGroupId());
451                     vmd.setArtifactId(ref.getArtifactId());
452                     vmd.setVersion(ref.getVersion());
453                 }
454                 index.index(ref.getResourceName(), vmd);
455             }
456         }
457     }
458 
459     protected static ContentHandle readContent(File file) {
460         try {
461             return ContentHandle.create(Files.readAllBytes(file.toPath()));
462         } catch (IOException e) {
463             throw new RuntimeException("Failed to read schema file: " + file, e);
464         }
465     }
466 
467     protected static RegisterArtifact buildFromRoot(RegisterArtifact rootArtifact, String artifactId) {
468         RegisterArtifact nestedSchema = new RegisterArtifact();
469         nestedSchema.setCanonicalize(rootArtifact.getCanonicalize());
470         nestedSchema.setArtifactId(artifactId);
471         nestedSchema.setGroupId(rootArtifact.getGroupId());
472         nestedSchema.setContentType(rootArtifact.getContentType());
473         nestedSchema.setArtifactType(rootArtifact.getArtifactType());
474         nestedSchema.setMinify(rootArtifact.getMinify());
475         nestedSchema.setContentType(rootArtifact.getContentType());
476         nestedSchema.setIfExists(rootArtifact.getIfExists());
477         nestedSchema.setAutoRefs(rootArtifact.getAutoRefs());
478         return nestedSchema;
479     }
480 
481     private static File getLocalFile(Path path) {
482         return path.toFile();
483     }
484 
485     /**
486      * Detects a loop by looking for the given artifact in the registration stack.
487      *
488      * @param artifact
489      * @param registrationStack
490      */
491     private static boolean loopDetected(RegisterArtifact artifact,
492             Stack<RegisterArtifact> registrationStack) {
493         for (RegisterArtifact stackArtifact : registrationStack) {
494             if (artifact.getFile().equals(stackArtifact.getFile())) {
495                 return true;
496             }
497         }
498         return false;
499     }
500 
501     private static String printLoop(Stack<RegisterArtifact> registrationStack) {
502         return registrationStack.stream().map(artifact -> artifact.getFile().getName())
503                 .collect(Collectors.joining(" -> "));
504     }
505 
506 }