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| * distributed with this work for additional information * |
| * regarding copyright ownership. The ASF licenses this file * |
| * to you under the Apache License, Version 2.0 (the * |
| * "License"); you may not use this file except in compliance * |
| * with the License. You may obtain a copy of the License at * |
| * * |
| * http://www.apache.org/licenses/LICENSE-2.0 * |
| * * |
| * Unless required by applicable law or agreed to in writing, * |
| * software distributed under the License is distributed on an * |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
| * KIND, either express or implied. See the License for the * |
| * specific language governing permissions and limitations * |
| * under the License. * |
| ****************************************************************/ |
| package org.apache.james.jmap.http; |
| |
| import static io.netty.handler.codec.http.HttpHeaderNames.CONTENT_LENGTH; |
| import static io.netty.handler.codec.http.HttpHeaderNames.CONTENT_TYPE; |
| import static io.netty.handler.codec.http.HttpResponseStatus.INTERNAL_SERVER_ERROR; |
| import static io.netty.handler.codec.http.HttpResponseStatus.OK; |
| import static org.apache.james.jmap.HttpConstants.JSON_CONTENT_TYPE; |
| import static org.apache.james.jmap.JMAPUrls.JMAP; |
| import static org.apache.james.jmap.http.LoggingHelper.jmapAuthContext; |
| import static org.apache.james.jmap.http.LoggingHelper.jmapContext; |
| import static org.apache.james.util.ReactorUtils.logOnError; |
| |
| import java.io.IOException; |
| import java.util.stream.Stream; |
| |
| import jakarta.inject.Inject; |
| import jakarta.inject.Named; |
| |
| import org.apache.james.jmap.Endpoint; |
| import org.apache.james.jmap.JMAPRoute; |
| import org.apache.james.jmap.JMAPRoutes; |
| import org.apache.james.jmap.draft.exceptions.BadRequestException; |
| import org.apache.james.jmap.draft.exceptions.InternalErrorException; |
| import org.apache.james.jmap.draft.methods.RequestHandler; |
| import org.apache.james.jmap.draft.model.AuthenticatedRequest; |
| import org.apache.james.jmap.draft.model.InvocationRequest; |
| import org.apache.james.jmap.exceptions.UnauthorizedException; |
| import org.apache.james.jmap.model.InvocationResponse; |
| import org.apache.james.mailbox.MailboxSession; |
| import org.apache.james.metrics.api.MetricFactory; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.fasterxml.jackson.core.JsonParser.Feature; |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.common.collect.ImmutableList; |
| |
| import io.netty.handler.codec.http.HttpMethod; |
| import reactor.core.publisher.Flux; |
| import reactor.core.publisher.Mono; |
| import reactor.netty.http.server.HttpServerRequest; |
| import reactor.netty.http.server.HttpServerResponse; |
| |
| public class JMAPApiRoutes implements JMAPRoutes { |
| public static final Logger LOGGER = LoggerFactory.getLogger(JMAPApiRoutes.class); |
| |
| private final ObjectMapper objectMapper; |
| private final RequestHandler requestHandler; |
| private final MetricFactory metricFactory; |
| private final Authenticator authenticator; |
| private final UserProvisioner userProvisioner; |
| |
| @Inject |
| public JMAPApiRoutes(RequestHandler requestHandler, MetricFactory metricFactory, @Named(InjectionKeys.DRAFT) Authenticator authenticator, UserProvisioner userProvisioner) { |
| this.requestHandler = requestHandler; |
| this.metricFactory = metricFactory; |
| this.authenticator = authenticator; |
| this.userProvisioner = userProvisioner; |
| this.objectMapper = new ObjectMapper(); |
| objectMapper.configure(Feature.ALLOW_UNQUOTED_CONTROL_CHARS, true); |
| } |
| |
| @Override |
| public Stream<JMAPRoute> routes() { |
| return Stream.of( |
| JMAPRoute.builder() |
| .endpoint(Endpoint.ofFixedPath(HttpMethod.POST, JMAP)) |
| .action(this::post) |
| .corsHeaders(), |
| JMAPRoute.builder() |
| .endpoint(Endpoint.ofFixedPath(HttpMethod.OPTIONS, JMAP)) |
| .action(CORS_CONTROL) |
| .noCorsHeaders() |
| ); |
| } |
| |
| private Mono<Void> post(HttpServerRequest request, HttpServerResponse response) { |
| return authenticator.authenticate(request) |
| .flatMap(session -> userProvisioner.provisionUser(session) |
| .then(Mono.from(metricFactory.decoratePublisherWithTimerMetric("JMAP-request", |
| post(request, response, session)))) |
| .contextWrite(jmapAuthContext(session))) |
| .onErrorResume(BadRequestException.class, e -> handleBadRequest(response, LOGGER, e)) |
| .onErrorResume(UnauthorizedException.class, e -> handleAuthenticationFailure(response, LOGGER, e)) |
| .doOnEach(logOnError(e -> LOGGER.error("Unexpected error", e))) |
| .onErrorResume(e -> response.status(INTERNAL_SERVER_ERROR).send()) |
| .contextWrite(jmapContext(request)); |
| } |
| |
| private Mono<Void> post(HttpServerRequest request, HttpServerResponse response, MailboxSession session) { |
| Flux<Object[]> responses = |
| requestAsJsonStream(request) |
| .map(InvocationRequest::deserialize) |
| .map(invocationRequest -> AuthenticatedRequest.decorate(invocationRequest, session)) |
| .concatMap(requestHandler::handle) |
| .map(InvocationResponse::asProtocolSpecification); |
| |
| return sendResponses(response, responses); |
| } |
| |
| private Mono<Void> sendResponses(HttpServerResponse response, Flux<Object[]> responses) { |
| return responses.collectList() |
| .map(objects -> { |
| try { |
| return objectMapper.writeValueAsBytes(objects); |
| } catch (JsonProcessingException e) { |
| throw new InternalErrorException("error serialising JMAP API response json"); |
| } |
| }) |
| .flatMap(json -> response.status(OK) |
| .header(CONTENT_TYPE, JSON_CONTENT_TYPE) |
| .header(CONTENT_LENGTH, Integer.toString(json.length)) |
| .sendByteArray(Mono.just(json)) |
| .then()); |
| } |
| |
| private Flux<JsonNode[]> requestAsJsonStream(HttpServerRequest req) { |
| return req.receive().aggregate().asInputStream() |
| .map(inputStream -> { |
| try { |
| return objectMapper.readValue(inputStream, JsonNode[][].class); |
| } catch (IOException e) { |
| throw new BadRequestException("Error deserializing JSON", e); |
| } |
| }) |
| .flatMapIterable(ImmutableList::copyOf); |
| } |
| } |