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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.*;
14  import io.apicurio.registry.rules.ParsedJsonSchema;
15  import io.apicurio.registry.types.ArtifactType;
16  import io.apicurio.registry.types.ContentTypes;
17  import io.apicurio.registry.types.provider.ArtifactTypeUtilProvider;
18  import io.apicurio.registry.types.provider.DefaultArtifactTypeUtilProviderImpl;
19  import io.vertx.core.Vertx;
20  import org.apache.avro.Schema;
21  import org.apache.commons.io.FileUtils;
22  import org.apache.maven.plugin.MojoExecutionException;
23  import org.apache.maven.plugin.MojoFailureException;
24  import org.apache.maven.plugins.annotations.Mojo;
25  import org.apache.maven.plugins.annotations.Parameter;
26  
27  import java.io.*;
28  import java.nio.charset.StandardCharsets;
29  import java.nio.file.Files;
30  import java.nio.file.Path;
31  import java.nio.file.Paths;
32  import java.util.*;
33  import java.util.concurrent.ExecutionException;
34  import java.util.stream.Collectors;
35  
36  /**
37   * Register artifacts against registry.
38   */
39  @Mojo(name = "register")
40  public class RegisterRegistryMojo extends AbstractRegistryMojo {
41  
42      /**
43       * The list of pre-registered artifacts that can be used as references.
44       */
45      @Parameter(required = false)
46      List<ExistingReference> existingReferences;
47  
48      /**
49       * The list of artifacts to register.
50       */
51      @Parameter(required = true)
52      List<RegisterArtifact> artifacts;
53  
54      /**
55       * Set this to 'true' to skip registering the artifact(s). Convenient in case you want to skip for specific occasions.
56       */
57      @Parameter(property = "skipRegister", defaultValue = "false")
58      boolean skip;
59  
60      /**
61       * Set this to 'true' to perform the action with the "dryRun" option enabled. This will effectively test
62       * whether registration *would have worked*. But it results in no changes made on the server.
63       */
64      @Parameter(property = "dryRun", defaultValue = "false")
65      boolean dryRun;
66  
67      DefaultArtifactTypeUtilProviderImpl utilProviderFactory = new DefaultArtifactTypeUtilProviderImpl();
68  
69      /**
70       * Validate the configuration.
71       */
72      protected boolean validate() throws MojoExecutionException {
73          if (skip) {
74              getLog().info("register is skipped.");
75              return false;
76          }
77  
78          if (artifacts == null || artifacts.isEmpty()) {
79              getLog().warn("No artifacts are configured for registration.");
80              return false;
81          }
82  
83          if (existingReferences == null) {
84              existingReferences = new ArrayList<>();
85          }
86  
87          int idx = 0;
88          int errorCount = 0;
89          for (RegisterArtifact artifact : artifacts) {
90              if (artifact.getGroupId() == null) {
91                  getLog().error(String.format(
92                          "GroupId is required when registering an artifact.  Missing from artifacts[%d].",
93                          idx));
94                  errorCount++;
95              }
96              if (artifact.getArtifactId() == null) {
97                  getLog().error(String.format(
98                          "ArtifactId is required when registering an artifact.  Missing from artifacts[%s].",
99                          idx));
100                 errorCount++;
101             }
102             if (artifact.getFile() == null) {
103                 getLog().error(String.format(
104                         "File is required when registering an artifact.  Missing from artifacts[%s].", idx));
105                 errorCount++;
106             } else if (!artifact.getFile().exists()) {
107                 getLog().error(
108                         String.format("Artifact file to register is configured but file does not exist: %s",
109                                 artifact.getFile().getPath()));
110                 errorCount++;
111             }
112 
113             idx++;
114         }
115 
116         if (errorCount > 0) {
117             throw new MojoExecutionException(
118                     "Invalid configuration of the Register Artifact(s) mojo. See the output log for details.");
119         }
120         return true;
121     }
122 
123     @Override
124     protected void executeInternal() throws MojoExecutionException {
125         int errorCount = 0;
126         if (validate()) {
127             Vertx vertx = createVertx();
128             RegistryClient registryClient = createClient(vertx);
129 
130             for (RegisterArtifact artifact : artifacts) {
131                 String groupId = artifact.getGroupId();
132                 String artifactId = artifact.getArtifactId();
133                 try {
134                     if (artifact.getAutoRefs() != null && artifact.getAutoRefs()) {
135                         // If we have references, then we'll need to create the local resource index and then
136                         // process all refs.
137                         ReferenceIndex index = createIndex(artifact.getFile());
138                         addExistingReferencesToIndex(registryClient, index, existingReferences);
139                         addExistingReferencesToIndex(registryClient, index, artifact.getExistingReferences());
140                         Stack<RegisterArtifact> registrationStack = new Stack<>();
141 
142                         registerWithAutoRefs(registryClient, artifact, index, registrationStack);
143                     } else if (artifact.getAnalyzeDirectory() != null && artifact.getAnalyzeDirectory()) { // Auto
144                         // register
145                         // selected,
146                         // we
147                         // must
148                         // figure
149                         // out
150                         // if
151                         // the
152                         // artifact
153                         // has
154                         // reference
155                         // using
156                         // the
157                         // directory
158                         // structure
159                         registerDirectory(registryClient, artifact);
160                     } else {
161 
162                         List<ArtifactReference> references = new ArrayList<>();
163                         // First, we check if the artifact being processed has references defined
164                         if (hasReferences(artifact)) {
165                             references = processArtifactReferences(registryClient, artifact.getReferences());
166                         }
167                         registerArtifact(registryClient, artifact, references);
168                     }
169                 } catch (Exception e) {
170                     errorCount++;
171                     getLog().error(String.format("Exception while registering artifact [%s] / [%s]", groupId,
172                             artifactId), e);
173                 }
174 
175             }
176 
177             if (errorCount > 0) {
178                 throw new MojoExecutionException("Errors while registering artifacts ...");
179             }
180         }
181     }
182 
183     private VersionMetaData registerWithAutoRefs(RegistryClient registryClient, RegisterArtifact artifact,
184                                                  ReferenceIndex index, Stack<RegisterArtifact> registrationStack) throws IOException,
185             ExecutionException, InterruptedException, MojoExecutionException, MojoFailureException {
186         if (loopDetected(artifact, registrationStack)) {
187             throw new RuntimeException(
188                     "Artifact reference loop detected (not supported): " + printLoop(registrationStack));
189         }
190         registrationStack.push(artifact);
191 
192         // Read the artifact content.
193         ContentHandle artifactContent = readContent(artifact.getFile());
194         String artifactContentType = getContentTypeByExtension(artifact.getFile().getName());
195         TypedContent typedArtifactContent = TypedContent.create(artifactContent, artifactContentType);
196 
197         // Find all references in the content
198         ArtifactTypeUtilProvider provider = this.utilProviderFactory
199                 .getArtifactTypeProvider(artifact.getArtifactType());
200         ReferenceFinder referenceFinder = provider.getReferenceFinder();
201         var referenceArtifactIdentifierExtractor = provider.getReferenceArtifactIdentifierExtractor();
202         Set<ExternalReference> externalReferences = referenceFinder
203                 .findExternalReferences(typedArtifactContent);
204 
205         // Register all the references first, then register the artifact.
206         List<ArtifactReference> registeredReferences = new ArrayList<>(externalReferences.size());
207         for (ExternalReference externalRef : externalReferences) {
208             IndexedResource iresource = index.lookup(externalRef.getResource(),
209                     Paths.get(artifact.getFile().toURI()));
210 
211             // TODO: need a way to resolve references that are not local (already registered in the registry)
212             if (iresource == null) {
213                 throw new RuntimeException("Reference could not be resolved.  From: "
214                         + artifact.getFile().getName() + "  To: " + externalRef.getFullReference());
215             }
216 
217             // If the resource isn't already registered, then register it now.
218             if (!iresource.isRegistered()) {
219                 // TODO: determine the artifactId better (type-specific logic here?)
220                 String artifactId = referenceArtifactIdentifierExtractor.extractArtifactId(externalRef.getResource());
221                 String groupId = referenceArtifactIdentifierExtractor.extractGroupId(externalRef.getResource());
222                 File localFile = getLocalFile(iresource.getPath());
223                 RegisterArtifact refArtifact = buildFromRoot(artifact, artifactId, groupId);
224                 refArtifact.setArtifactType(iresource.getType());
225                 refArtifact.setVersion(null);
226                 refArtifact.setFile(localFile);
227                 refArtifact.setContentType(getContentTypeByExtension(localFile.getName()));
228                 try {
229                     var car = registerWithAutoRefs(registryClient, refArtifact, index, registrationStack);
230                     iresource.setRegistration(car);
231                 } catch (IOException | ExecutionException | InterruptedException e) {
232                     throw new RuntimeException(e);
233                 }
234             }
235 
236             var reference = new ArtifactReference();
237             reference.setName(externalRef.getFullReference());
238             reference.setVersion(iresource.getRegistration().getVersion());
239             reference.setGroupId(iresource.getRegistration().getGroupId());
240             reference.setArtifactId(iresource.getRegistration().getArtifactId());
241             registeredReferences.add(reference);
242         }
243         registeredReferences.sort((ref1, ref2) -> ref1.getName().compareTo(ref2.getName()));
244 
245         registrationStack.pop();
246         return registerArtifact(registryClient, artifact, registeredReferences);
247     }
248 
249     private void registerDirectory(RegistryClient registryClient, RegisterArtifact artifact)
250             throws IOException, ExecutionException, InterruptedException, MojoExecutionException,
251             MojoFailureException {
252         switch (artifact.getArtifactType()) {
253             case ArtifactType.AVRO:
254                 final AvroDirectoryParser avroDirectoryParser = new AvroDirectoryParser(registryClient);
255                 final ParsedDirectoryWrapper<Schema> schema = avroDirectoryParser.parse(artifact.getFile());
256                 registerArtifact(registryClient, artifact, avroDirectoryParser
257                         .handleSchemaReferences(artifact, schema.getSchema(), schema.getSchemaContents()));
258                 break;
259             case ArtifactType.PROTOBUF:
260                 final ProtobufDirectoryParser protobufDirectoryParser = new ProtobufDirectoryParser(
261                         registryClient);
262                 final ParsedDirectoryWrapper<FileDescriptor> protoSchema = protobufDirectoryParser
263                         .parse(artifact.getFile());
264                 registerArtifact(registryClient, artifact, protobufDirectoryParser.handleSchemaReferences(
265                         artifact, protoSchema.getSchema(), protoSchema.getSchemaContents()));
266                 break;
267             case ArtifactType.JSON:
268                 final JsonSchemaDirectoryParser jsonSchemaDirectoryParser = new JsonSchemaDirectoryParser(
269                         registryClient);
270                 final ParsedDirectoryWrapper<ParsedJsonSchema> jsonSchema = jsonSchemaDirectoryParser
271                         .parse(artifact.getFile());
272                 registerArtifact(registryClient, artifact, jsonSchemaDirectoryParser.handleSchemaReferences(
273                         artifact, jsonSchema.getSchema(), jsonSchema.getSchemaContents()));
274                 break;
275             default:
276                 throw new IllegalArgumentException(
277                         String.format("Artifact type not recognized for analyzing a directory structure %s",
278                                 artifact.getArtifactType()));
279         }
280     }
281 
282     private VersionMetaData registerArtifact(RegistryClient registryClient, RegisterArtifact artifact,
283                                              List<ArtifactReference> references) throws FileNotFoundException, ExecutionException,
284             InterruptedException, MojoExecutionException, MojoFailureException {
285         if (artifact.getFile() != null) {
286             return registerArtifact(registryClient, artifact, new FileInputStream(artifact.getFile()),
287                     references);
288         } else {
289             return getArtifactVersionMetadata(registryClient, artifact);
290         }
291     }
292 
293     private VersionMetaData getArtifactVersionMetadata(RegistryClient registryClient,
294                                                        RegisterArtifact artifact) {
295         String groupId = artifact.getGroupId();
296         String artifactId = artifact.getArtifactId();
297         String version = artifact.getVersion();
298 
299         VersionMetaData amd = registryClient.groups().byGroupId(groupId).artifacts().byArtifactId(artifactId)
300                 .versions().byVersionExpression(version).get();
301         getLog().info(String.format("Successfully processed artifact [%s] / [%s].  GlobalId is [%d]", groupId,
302                 artifactId, amd.getGlobalId()));
303 
304         return amd;
305     }
306 
307     private VersionMetaData registerArtifact(RegistryClient registryClient, RegisterArtifact artifact,
308                                              InputStream artifactContent, List<ArtifactReference> references)
309             throws ExecutionException, InterruptedException, MojoFailureException, MojoExecutionException {
310         String groupId = artifact.getGroupId();
311         String artifactId = artifact.getArtifactId();
312         String version = artifact.getVersion();
313         String type = artifact.getArtifactType();
314         Boolean canonicalize = artifact.getCanonicalize();
315         String ct = artifact.getContentType() == null ? ContentTypes.APPLICATION_JSON
316                 : artifact.getContentType();
317         String data = null;
318         try {
319             if (artifact.getMinify() != null && artifact.getMinify()) {
320                 ObjectMapper objectMapper = new ObjectMapper();
321                 JsonNode jsonNode = objectMapper.readValue(artifactContent, JsonNode.class);
322                 data = jsonNode.toString();
323             } else {
324                 data = new String(artifactContent.readAllBytes(), StandardCharsets.UTF_8);
325             }
326         } catch (IOException e) {
327             throw new RuntimeException(e);
328         }
329 
330         CreateArtifact createArtifact = new CreateArtifact();
331         createArtifact.setArtifactId(artifactId);
332         createArtifact.setArtifactType(type);
333 
334         CreateVersion createVersion = new CreateVersion();
335         createVersion.setVersion(version);
336         createArtifact.setFirstVersion(createVersion);
337 
338         VersionContent content = new VersionContent();
339         content.setContent(data);
340         content.setContentType(ct);
341         content.setReferences(references.stream().map(r -> {
342             ArtifactReference ref = new ArtifactReference();
343             ref.setArtifactId(r.getArtifactId());
344             ref.setGroupId(r.getGroupId());
345             ref.setVersion(r.getVersion());
346             ref.setName(r.getName());
347             return ref;
348         }).collect(Collectors.toList()));
349         createVersion.setContent(content);
350 
351         try {
352             var vmd = registryClient.groups().byGroupId(groupId).artifacts().post(createArtifact, config -> {
353                 if (artifact.getIfExists() != null) {
354                     config.queryParameters.ifExists = IfArtifactExists
355                             .forValue(artifact.getIfExists().value());
356                     if (dryRun) {
357                         config.queryParameters.dryRun = true;
358                     }
359                 }
360                 config.queryParameters.canonical = canonicalize;
361             });
362 
363             getLog().info(String.format("Successfully registered artifact [%s] / [%s].  GlobalId is [%d]",
364                     groupId, artifactId, vmd.getVersion().getGlobalId()));
365 
366             return vmd.getVersion();
367         } catch (RuleViolationProblemDetails | ProblemDetails e) {
368             logAndThrow(e);
369             return null;
370         }
371     }
372 
373     private static boolean hasReferences(RegisterArtifact artifact) {
374         return artifact.getReferences() != null && !artifact.getReferences().isEmpty();
375     }
376 
377     private List<ArtifactReference> processArtifactReferences(RegistryClient registryClient,
378                                                               List<RegisterArtifactReference> referencedArtifacts) throws FileNotFoundException,
379             ExecutionException, InterruptedException, MojoExecutionException, MojoFailureException {
380         List<ArtifactReference> references = new ArrayList<>();
381         for (RegisterArtifactReference artifact : referencedArtifacts) {
382             List<ArtifactReference> nestedReferences = new ArrayList<>();
383             // First, we check if the artifact being processed has references defined, and register them if
384             // needed
385             if (hasReferences(artifact)) {
386                 nestedReferences = processArtifactReferences(registryClient, artifact.getReferences());
387             }
388             final VersionMetaData artifactMetaData = registerArtifact(registryClient, artifact,
389                     nestedReferences);
390             references.add(buildReferenceFromMetadata(artifactMetaData, artifact.getName()));
391         }
392         return references;
393     }
394 
395     public void setArtifacts(List<RegisterArtifact> artifacts) {
396         this.artifacts = artifacts;
397     }
398 
399     public void setSkip(boolean skip) {
400         this.skip = skip;
401     }
402 
403     private static ArtifactReference buildReferenceFromMetadata(VersionMetaData metaData,
404                                                                 String referenceName) {
405         ArtifactReference reference = new ArtifactReference();
406         reference.setName(referenceName);
407         reference.setArtifactId(metaData.getArtifactId());
408         reference.setGroupId(metaData.getGroupId());
409         reference.setVersion(metaData.getVersion());
410         return reference;
411     }
412 
413     private static boolean isFileAllowedInIndex(File file) {
414         return file.isFile() && (
415                 file.getName().toLowerCase().endsWith(".json") ||
416                         file.getName().toLowerCase().endsWith(".yml") ||
417                         file.getName().toLowerCase().endsWith(".yaml") ||
418                         file.getName().toLowerCase().endsWith(".xml") ||
419                         file.getName().toLowerCase().endsWith(".xsd") ||
420                         file.getName().toLowerCase().endsWith(".wsdl") ||
421                         file.getName().toLowerCase().endsWith(".graphql") ||
422                         file.getName().toLowerCase().endsWith(".avsc") ||
423                         file.getName().toLowerCase().endsWith(".proto")
424         );
425     }
426 
427     /**
428      * Create a local index relative to the given file location.
429      *
430      * @param file
431      */
432     private static ReferenceIndex createIndex(File file) {
433         ReferenceIndex index = new ReferenceIndex(file.getParentFile().toPath());
434         Collection<File> allFiles = FileUtils.listFiles(file.getParentFile(), null, true);
435         allFiles.stream().filter(RegisterRegistryMojo::isFileAllowedInIndex).forEach(f -> {
436             index.index(f.toPath(), readContent(f));
437         });
438         return index;
439     }
440 
441     private void addExistingReferencesToIndex(RegistryClient registryClient, ReferenceIndex index,
442                                               List<ExistingReference> existingReferences) throws ExecutionException, InterruptedException {
443         if (existingReferences != null && !existingReferences.isEmpty()) {
444             for (ExistingReference ref : existingReferences) {
445                 VersionMetaData vmd;
446                 if (ref.getVersion() == null || "LATEST".equalsIgnoreCase(ref.getVersion())) {
447                     vmd = registryClient.groups().byGroupId(ref.getGroupId()).artifacts()
448                             .byArtifactId(ref.getArtifactId()).versions().byVersionExpression("branch=latest")
449                             .get();
450                 } else {
451                     vmd = new VersionMetaData();
452                     vmd.setGroupId(ref.getGroupId());
453                     vmd.setArtifactId(ref.getArtifactId());
454                     vmd.setVersion(ref.getVersion());
455                 }
456                 index.index(ref.getResourceName(), vmd);
457             }
458         }
459     }
460 
461     protected static ContentHandle readContent(File file) {
462         try {
463             return ContentHandle.create(Files.readAllBytes(file.toPath()));
464         } catch (IOException e) {
465             throw new RuntimeException("Failed to read schema file: " + file, e);
466         }
467     }
468 
469     protected static RegisterArtifact buildFromRoot(RegisterArtifact rootArtifact, String artifactId, String groupId) {
470         RegisterArtifact nestedSchema = new RegisterArtifact();
471         nestedSchema.setCanonicalize(rootArtifact.getCanonicalize());
472         nestedSchema.setArtifactId(artifactId);
473         nestedSchema.setGroupId(groupId == null ? rootArtifact.getGroupId() : groupId);
474         nestedSchema.setContentType(rootArtifact.getContentType());
475         nestedSchema.setArtifactType(rootArtifact.getArtifactType());
476         nestedSchema.setMinify(rootArtifact.getMinify());
477         nestedSchema.setContentType(rootArtifact.getContentType());
478         nestedSchema.setIfExists(rootArtifact.getIfExists());
479         nestedSchema.setAutoRefs(rootArtifact.getAutoRefs());
480         return nestedSchema;
481     }
482 
483     private static File getLocalFile(Path path) {
484         return path.toFile();
485     }
486 
487     /**
488      * Detects a loop by looking for the given artifact in the registration stack.
489      *
490      * @param artifact
491      * @param registrationStack
492      */
493     private static boolean loopDetected(RegisterArtifact artifact,
494                                         Stack<RegisterArtifact> registrationStack) {
495         for (RegisterArtifact stackArtifact : registrationStack) {
496             if (artifact.getFile().equals(stackArtifact.getFile())) {
497                 return true;
498             }
499         }
500         return false;
501     }
502 
503     private static String printLoop(Stack<RegisterArtifact> registrationStack) {
504         return registrationStack.stream().map(artifact -> artifact.getFile().getName())
505                 .collect(Collectors.joining(" -> "));
506     }
507 
508 }