Examples with HttpResponder io.cdap.http.HttpResponder used on opensource projects

Example 1 with HttpResponder

use of io.cdap.http.HttpResponder in project cdap by caskdata.

the class AppLifecycleHttpHandler method getAllApps.

/**
 * Returns a list of applications associated with a namespace.
 */
@GET
@Path("/apps")
public void getAllApps(HttpRequest request, HttpResponder responder, @PathParam("namespace-id") String namespaceId, @QueryParam("artifactName") String artifactName, @QueryParam("artifactVersion") String artifactVersion, @QueryParam("pageToken") String pageToken, @QueryParam("pageSize") Integer pageSize, @QueryParam("orderBy") SortOrder orderBy, @QueryParam("nameFilter") String nameFilter) throws Exception {
    NamespaceId namespace = validateNamespace(namespaceId);
    Set<String> names = new HashSet<>();
    if (!Strings.isNullOrEmpty(artifactName)) {
        for (String name : Splitter.on(',').split(artifactName)) {
            names.add(name);
        }
    }
    if (Optional.ofNullable(pageSize).orElse(0) != 0) {
        JsonPaginatedListResponder.respond(GSON, responder, APP_LIST_PAGINATED_KEY, jsonListResponder -> {
            AtomicReference<ApplicationRecord> lastRecord = new AtomicReference<>(null);
            ScanApplicationsRequest scanRequest = getScanRequest(namespaceId, artifactVersion, pageToken, pageSize, orderBy, nameFilter, names);
            boolean pageLimitReached = applicationLifecycleService.scanApplications(scanRequest, appDetail -> {
                ApplicationRecord record = new ApplicationRecord(appDetail);
                jsonListResponder.send(record);
                lastRecord.set(record);
            });
            ApplicationRecord record = lastRecord.get();
            return !pageLimitReached || record == null ? null : record.getName() + EntityId.IDSTRING_PART_SEPARATOR + record.getAppVersion();
        });
    } else {
        ScanApplicationsRequest scanRequest = getScanRequest(namespaceId, artifactVersion, pageToken, null, orderBy, nameFilter, names);
        JsonWholeListResponder.respond(GSON, responder, jsonListResponder -> applicationLifecycleService.scanApplications(scanRequest, d -> jsonListResponder.send(new ApplicationRecord(d))));
    }
}

Example 2 with HttpResponder

use of io.cdap.http.HttpResponder in project cdap by caskdata.

the class ArtifactHttpHandler method addArtifact.

@POST
@Path("/namespaces/{namespace-id}/artifacts/{artifact-name}")
@AuditPolicy(AuditDetail.HEADERS)
public BodyConsumer addArtifact(HttpRequest request, HttpResponder responder, @PathParam("namespace-id") final String namespaceId, @PathParam("artifact-name") final String artifactName, @HeaderParam(VERSION_HEADER) final String artifactVersion, @HeaderParam(EXTENDS_HEADER) final String parentArtifactsStr, @HeaderParam(PLUGINS_HEADER) String pluginClasses) throws NamespaceNotFoundException, BadRequestException {
    final NamespaceId namespace = validateAndGetNamespace(namespaceId);
    // that processes the last http chunk.
    if (artifactVersion != null && !artifactVersion.isEmpty()) {
        ArtifactId artifactId = validateAndGetArtifactId(namespace, artifactName, artifactVersion);
        // If the artifact ID is available, use it to perform an authorization check.
        contextAccessEnforcer.enforce(artifactId, StandardPermission.CREATE);
    } else {
        // If there is no version, we perform an enforceOnParent check in which the entityID is not needed.
        contextAccessEnforcer.enforceOnParent(EntityType.ARTIFACT, namespace, StandardPermission.CREATE);
    }
    final Set<ArtifactRange> parentArtifacts = parseExtendsHeader(namespace, parentArtifactsStr);
    final Set<PluginClass> additionalPluginClasses;
    if (pluginClasses == null || pluginClasses.isEmpty()) {
        additionalPluginClasses = ImmutableSet.of();
    } else {
        try {
            additionalPluginClasses = GSON.fromJson(pluginClasses, PLUGINS_TYPE);
            additionalPluginClasses.forEach(PluginClass::validate);
        } catch (JsonParseException e) {
            throw new BadRequestException(String.format("%s header '%s' is invalid.", PLUGINS_HEADER, pluginClasses), e);
        } catch (IllegalArgumentException e) {
            throw new BadRequestException(String.format("Invalid PluginClasses '%s'.", pluginClasses), e);
        }
    }
    try {
        // copy the artifact contents to local tmp directory
        Files.createDirectories(tmpDir.toPath());
        File destination = File.createTempFile("artifact-", ".jar", tmpDir);
        return new AbstractBodyConsumer(destination) {

            @Override
            protected void onFinish(HttpResponder responder, File uploadedFile) {
                try {
                    String version = (artifactVersion == null || artifactVersion.isEmpty()) ? getBundleVersion(uploadedFile) : artifactVersion;
                    ArtifactId artifactId = validateAndGetArtifactId(namespace, artifactName, version);
                    // add the artifact to the repo
                    artifactRepository.addArtifact(Id.Artifact.fromEntityId(artifactId), uploadedFile, parentArtifacts, additionalPluginClasses);
                    responder.sendString(HttpResponseStatus.OK, "Artifact added successfully");
                } catch (ArtifactRangeNotFoundException e) {
                    responder.sendString(HttpResponseStatus.NOT_FOUND, e.getMessage());
                } catch (ArtifactAlreadyExistsException e) {
                    responder.sendString(HttpResponseStatus.CONFLICT, e.getMessage());
                } catch (WriteConflictException e) {
                    responder.sendString(HttpResponseStatus.INTERNAL_SERVER_ERROR, "Conflict while writing artifact, please try again.");
                } catch (IOException e) {
                    LOG.error("Exception while trying to write artifact {}-{}-{}.", namespaceId, artifactName, artifactVersion, e);
                    responder.sendString(HttpResponseStatus.INTERNAL_SERVER_ERROR, "Error performing IO while writing artifact.");
                } catch (BadRequestException e) {
                    responder.sendString(HttpResponseStatus.BAD_REQUEST, e.getMessage());
                } catch (UnauthorizedException e) {
                    responder.sendString(HttpResponseStatus.FORBIDDEN, e.getMessage());
                } catch (Exception e) {
                    LOG.error("Error while writing artifact {}-{}-{}", namespaceId, artifactName, artifactVersion, e);
                    responder.sendString(HttpResponseStatus.INTERNAL_SERVER_ERROR, "Error while adding artifact.");
                }
            }

            private String getBundleVersion(File file) throws BadRequestException, IOException {
                try (JarFile jarFile = new JarFile(file)) {
                    Manifest manifest = jarFile.getManifest();
                    if (manifest == null) {
                        throw new BadRequestException("Unable to derive version from artifact because it does not contain a manifest. " + "Please package the jar with a manifest, or explicitly specify the artifact version.");
                    }
                    Attributes attributes = manifest.getMainAttributes();
                    String version = attributes == null ? null : attributes.getValue(ManifestFields.BUNDLE_VERSION);
                    if (version == null) {
                        throw new BadRequestException("Unable to derive version from artifact because manifest does not contain Bundle-Version attribute. " + "Please include Bundle-Version in the manifest, or explicitly specify the artifact version.");
                    }
                    return version;
                } catch (ZipException e) {
                    throw new BadRequestException("Artifact is not in zip format. Please make sure it is a jar file.");
                }
            }
        };
    } catch (IOException e) {
        LOG.error("Exception creating temp file to place artifact {} contents", artifactName, e);
        responder.sendString(HttpResponseStatus.INTERNAL_SERVER_ERROR, "Server error creating temp file for artifact.");
        return null;
    }
}

Example 3 with HttpResponder

use of io.cdap.http.HttpResponder in project cdap by caskdata.

the class AppLifecycleHttpHandler method deployAppFromArtifact.

// normally we wouldn't want to use a body consumer but would just want to read the request body directly
// since it wont be big. But the deploy app API has one path with different behavior based on content type
// the other behavior requires a BodyConsumer and only have one method per path is allowed,
// so we have to use a BodyConsumer
private BodyConsumer deployAppFromArtifact(final ApplicationId appId) throws IOException {
    // Perform auth checks outside BodyConsumer as only the first http request containing auth header
    // to populate SecurityRequestContext while http chunk doesn't. BodyConsumer runs in the thread
    // that processes the last http chunk.
    accessEnforcer.enforce(appId, authenticationContext.getPrincipal(), StandardPermission.CREATE);
    // createTempFile() needs a prefix of at least 3 characters
    return new AbstractBodyConsumer(File.createTempFile("apprequest-" + appId, ".json", tmpDir)) {

        @Override
        protected void onFinish(HttpResponder responder, File uploadedFile) {
            try (FileReader fileReader = new FileReader(uploadedFile)) {
                AppRequest<?> appRequest = DECODE_GSON.fromJson(fileReader, AppRequest.class);
                ArtifactSummary artifactSummary = appRequest.getArtifact();
                KerberosPrincipalId ownerPrincipalId = appRequest.getOwnerPrincipal() == null ? null : new KerberosPrincipalId(appRequest.getOwnerPrincipal());
                // if we don't null check, it gets serialized to "null"
                Object config = appRequest.getConfig();
                String configString = config == null ? null : config instanceof String ? (String) config : GSON.toJson(config);
                try {
                    applicationLifecycleService.deployApp(appId.getParent(), appId.getApplication(), appId.getVersion(), artifactSummary, configString, createProgramTerminator(), ownerPrincipalId, appRequest.canUpdateSchedules(), false, Collections.emptyMap());
                } catch (DatasetManagementException e) {
                    if (e.getCause() instanceof UnauthorizedException) {
                        throw (UnauthorizedException) e.getCause();
                    } else {
                        throw e;
                    }
                }
                responder.sendString(HttpResponseStatus.OK, "Deploy Complete");
            } catch (ArtifactNotFoundException e) {
                responder.sendString(HttpResponseStatus.NOT_FOUND, e.getMessage());
            } catch (ConflictException e) {
                responder.sendString(HttpResponseStatus.CONFLICT, e.getMessage());
            } catch (UnauthorizedException e) {
                responder.sendString(HttpResponseStatus.FORBIDDEN, e.getMessage());
            } catch (InvalidArtifactException e) {
                responder.sendString(HttpResponseStatus.BAD_REQUEST, e.getMessage());
            } catch (IOException e) {
                LOG.error("Error reading request body for creating app {}.", appId);
                responder.sendString(HttpResponseStatus.INTERNAL_SERVER_ERROR, String.format("Error while reading json request body for app %s.", appId));
            } catch (Exception e) {
                LOG.error("Deploy failure", e);
                responder.sendString(HttpResponseStatus.BAD_REQUEST, e.getMessage());
            }
        }
    };
}

Example 4 with HttpResponder

use of io.cdap.http.HttpResponder in project cdap by caskdata.

the class MonitorHandlerAuthorizationTest method testGetSystemServiceLiveInfoAuthorization.

@Test
public void testGetSystemServiceLiveInfoAuthorization() throws Exception {
    SystemServiceId systemServiceId = new SystemServiceId(SERVICE_NAME);
    MonitorHandler handler = createMonitorHandler(Authorizable.fromEntityId(systemServiceId), Arrays.asList(StandardPermission.GET));
    HttpRequest request = mock(HttpRequest.class);
    HttpResponder responder = mock(HttpResponder.class);
    AuthenticationTestContext.actAsPrincipal(UNPRIVILEGED_PRINCIPAL);
    try {
        handler.getServiceLiveInfo(request, responder, SERVICE_NAME);
    } catch (UnauthorizedException e) {
    // expected
    }
    AuthenticationTestContext.actAsPrincipal(MASTER_PRINCIPAL);
    handler.getServiceLiveInfo(request, responder, SERVICE_NAME);
}

Example 5 with HttpResponder

use of io.cdap.http.HttpResponder in project cdap by caskdata.

the class MonitorHandlerAuthorizationTest method testGetServiceSpecAuthorization.

@Test
public void testGetServiceSpecAuthorization() throws Exception {
    InstanceId instanceId = InstanceId.SELF;
    MonitorHandler handler = createMonitorHandler(Authorizable.fromEntityId(instanceId, EntityType.SYSTEM_SERVICE), Arrays.asList(StandardPermission.LIST));
    HttpRequest request = mock(HttpRequest.class);
    HttpResponder responder = mock(HttpResponder.class);
    AuthenticationTestContext.actAsPrincipal(UNPRIVILEGED_PRINCIPAL);
    try {
        handler.getServiceSpec(request, responder);
    } catch (UnauthorizedException e) {
    // expected
    }
    AuthenticationTestContext.actAsPrincipal(MASTER_PRINCIPAL);
    handler.getServiceSpec(request, responder);
}