package org.asamk.signal.jsonrpc;
import com.fasterxml.jackson.core.TreeNode;
+import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ContainerNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
-import org.asamk.signal.JsonReceiveMessageHandler;
-import org.asamk.signal.JsonWriter;
-import org.asamk.signal.OutputWriter;
+import org.asamk.signal.commands.Command;
import org.asamk.signal.commands.Commands;
-import org.asamk.signal.commands.JsonRpcCommand;
+import org.asamk.signal.commands.JsonRpcMultiCommand;
+import org.asamk.signal.commands.JsonRpcRegistrationCommand;
+import org.asamk.signal.commands.JsonRpcSingleCommand;
import org.asamk.signal.commands.exceptions.CommandException;
import org.asamk.signal.commands.exceptions.IOErrorException;
import org.asamk.signal.commands.exceptions.UntrustedKeyErrorException;
import org.asamk.signal.commands.exceptions.UserErrorException;
+import org.asamk.signal.json.JsonReceiveMessageHandler;
import org.asamk.signal.manager.Manager;
+import org.asamk.signal.manager.MultiAccountManager;
+import org.asamk.signal.manager.RegistrationManager;
+import org.asamk.signal.output.JsonWriter;
import org.asamk.signal.util.Util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
+import java.util.HashMap;
import java.util.Map;
+import java.util.Objects;
import java.util.function.Supplier;
public class SignalJsonRpcDispatcherHandler {
private static final int IO_ERROR = -3;
private static final int UNTRUSTED_KEY_ERROR = -4;
- private final Manager m;
- private final JsonWriter outputWriter;
- private final Supplier<String> lineSupplier;
+ private final ObjectMapper objectMapper;
+ private final JsonRpcSender jsonRpcSender;
+ private final JsonRpcReader jsonRpcReader;
+ private final boolean noReceiveOnStart;
+
+ private MultiAccountManager c;
+ private final Map<Manager, Manager.ReceiveMessageHandler> receiveHandlers = new HashMap<>();
+
+ private Manager m;
public SignalJsonRpcDispatcherHandler(
- final Manager m, final JsonWriter outputWriter, final Supplier<String> lineSupplier
+ final JsonWriter jsonWriter, final Supplier<String> lineSupplier, final boolean noReceiveOnStart
) {
+ this.noReceiveOnStart = noReceiveOnStart;
+ this.objectMapper = Util.createJsonObjectMapper();
+ this.jsonRpcSender = new JsonRpcSender(jsonWriter);
+ this.jsonRpcReader = new JsonRpcReader(jsonRpcSender, lineSupplier);
+ }
+
+ public void handleConnection(final MultiAccountManager c) {
+ this.c = c;
+
+ if (!noReceiveOnStart) {
+ c.getAccountNumbers().stream().map(c::getManager).filter(Objects::nonNull).forEach(this::subscribeReceive);
+ c.addOnManagerAddedHandler(this::subscribeReceive);
+ c.addOnManagerRemovedHandler(this::unsubscribeReceive);
+ }
+
+ handleConnection();
+ }
+
+ public void handleConnection(final Manager m) {
this.m = m;
- this.outputWriter = outputWriter;
- this.lineSupplier = lineSupplier;
+
+ if (!noReceiveOnStart) {
+ subscribeReceive(m);
+ }
+
+ final var currentThread = Thread.currentThread();
+ m.addClosedListener(currentThread::interrupt);
+
+ handleConnection();
}
- public void handleConnection() {
- final var objectMapper = Util.createJsonObjectMapper();
- final var jsonRpcSender = new JsonRpcSender(outputWriter);
+ private void subscribeReceive(final Manager m) {
+ if (receiveHandlers.containsKey(m)) {
+ return;
+ }
final var receiveMessageHandler = new JsonReceiveMessageHandler(m,
s -> jsonRpcSender.sendRequest(JsonRpcRequest.forNotification("receive",
objectMapper.valueToTree(s),
null)));
- try {
- m.addReceiveHandler(receiveMessageHandler);
+ m.addReceiveHandler(receiveMessageHandler);
+ receiveHandlers.put(m, receiveMessageHandler);
- // Maybe this should be handled inside the Manager
- while (!m.hasCaughtUpWithOldMessages()) {
- try {
- synchronized (m) {
- m.wait();
- }
- } catch (InterruptedException ignored) {
+ while (!m.hasCaughtUpWithOldMessages()) {
+ try {
+ synchronized (m) {
+ m.wait();
}
+ } catch (InterruptedException ignored) {
}
+ }
+ }
+
+ void unsubscribeReceive(final Manager m) {
+ final var receiveMessageHandler = receiveHandlers.remove(m);
+ if (receiveMessageHandler != null) {
+ m.removeReceiveHandler(receiveMessageHandler);
+ }
+ }
- final var jsonRpcReader = new JsonRpcReader(jsonRpcSender, lineSupplier);
- jsonRpcReader.readRequests((method, params) -> handleRequest(m, objectMapper, method, params),
+ private void handleConnection() {
+ try {
+ jsonRpcReader.readMessages((method, params) -> handleRequest(objectMapper, method, params),
response -> logger.debug("Received unexpected response for id {}", response.getId()));
} finally {
- m.removeReceiveHandler(receiveMessageHandler);
+ receiveHandlers.forEach(Manager::removeReceiveHandler);
+ receiveHandlers.clear();
}
}
private JsonNode handleRequest(
- final Manager m, final ObjectMapper objectMapper, final String method, ContainerNode<?> params
+ final ObjectMapper objectMapper, final String method, ContainerNode<?> params
+ ) throws JsonRpcException {
+ var command = getCommand(method);
+ if (c != null) {
+ if (command instanceof JsonRpcMultiCommand<?> jsonRpcCommand) {
+ return runCommand(objectMapper, params, new MultiCommandRunnerImpl<>(c, jsonRpcCommand));
+ }
+ if (command instanceof JsonRpcRegistrationCommand<?> jsonRpcCommand) {
+ try (var manager = getRegistrationManagerFromParams(params)) {
+ if (manager != null) {
+ return runCommand(objectMapper,
+ params,
+ new RegistrationCommandRunnerImpl<>(manager, c, jsonRpcCommand));
+ } else {
+ throw new JsonRpcException(new JsonRpcResponse.Error(JsonRpcResponse.Error.INVALID_PARAMS,
+ "Method requires valid account parameter",
+ null));
+ }
+ } catch (IOException e) {
+ logger.warn("Failed to close registration manager", e);
+ }
+ }
+ }
+ if (command instanceof JsonRpcSingleCommand<?> jsonRpcCommand) {
+ if (m != null) {
+ return runCommand(objectMapper, params, new CommandRunnerImpl<>(m, jsonRpcCommand));
+ }
+
+ final var manager = getManagerFromParams(params);
+ if (manager != null) {
+ return runCommand(objectMapper, params, new CommandRunnerImpl<>(manager, jsonRpcCommand));
+ } else {
+ throw new JsonRpcException(new JsonRpcResponse.Error(JsonRpcResponse.Error.INVALID_PARAMS,
+ "Method requires valid account parameter",
+ null));
+ }
+ }
+
+ throw new JsonRpcException(new JsonRpcResponse.Error(JsonRpcResponse.Error.METHOD_NOT_FOUND,
+ "Method not implemented",
+ null));
+ }
+
+ private Manager getManagerFromParams(final ContainerNode<?> params) {
+ if (params != null && params.has("account")) {
+ final var manager = c.getManager(params.get("account").asText());
+ ((ObjectNode) params).remove("account");
+ return manager;
+ }
+ return null;
+ }
+
+ private RegistrationManager getRegistrationManagerFromParams(final ContainerNode<?> params) {
+ if (params != null && params.has("account")) {
+ try {
+ final var registrationManager = c.getNewRegistrationManager(params.get("account").asText());
+ ((ObjectNode) params).remove("account");
+ return registrationManager;
+ } catch (IOException | IllegalStateException e) {
+ logger.warn("Failed to load registration manager", e);
+ return null;
+ }
+ }
+ return null;
+ }
+
+ private Command getCommand(final String method) {
+ if ("subscribeReceive".equals(method)) {
+ return new SubscribeReceiveCommand();
+ }
+ if ("unsubscribeReceive".equals(method)) {
+ return new UnsubscribeReceiveCommand();
+ }
+ return Commands.getCommand(method);
+ }
+
+ private record CommandRunnerImpl<T>(Manager m, JsonRpcSingleCommand<T> command) implements CommandRunner<T> {
+
+ @Override
+ public void handleCommand(final T request, final JsonWriter jsonWriter) throws CommandException {
+ command.handleCommand(request, m, jsonWriter);
+ }
+
+ @Override
+ public TypeReference<T> getRequestType() {
+ return command.getRequestType();
+ }
+ }
+
+ private record RegistrationCommandRunnerImpl<T>(
+ RegistrationManager m, MultiAccountManager c, JsonRpcRegistrationCommand<T> command
+ ) implements CommandRunner<T> {
+
+ @Override
+ public void handleCommand(final T request, final JsonWriter jsonWriter) throws CommandException {
+ command.handleCommand(request, m, jsonWriter);
+ }
+
+ @Override
+ public TypeReference<T> getRequestType() {
+ return command.getRequestType();
+ }
+ }
+
+ private record MultiCommandRunnerImpl<T>(
+ MultiAccountManager c, JsonRpcMultiCommand<T> command
+ ) implements CommandRunner<T> {
+
+ @Override
+ public void handleCommand(final T request, final JsonWriter jsonWriter) throws CommandException {
+ command.handleCommand(request, c, jsonWriter);
+ }
+
+ @Override
+ public TypeReference<T> getRequestType() {
+ return command.getRequestType();
+ }
+ }
+
+ interface CommandRunner<T> {
+
+ void handleCommand(T request, JsonWriter jsonWriter) throws CommandException;
+
+ TypeReference<T> getRequestType();
+ }
+
+ private JsonNode runCommand(
+ final ObjectMapper objectMapper, final ContainerNode<?> params, final CommandRunner<?> command
) throws JsonRpcException {
final Object[] result = {null};
- final JsonWriter commandOutputWriter = s -> {
+ final JsonWriter commandJsonWriter = s -> {
if (result[0] != null) {
throw new AssertionError("Command may only write one json result");
}
result[0] = s;
};
- var command = Commands.getCommand(method);
- if (!(command instanceof JsonRpcCommand)) {
- throw new JsonRpcException(new JsonRpcResponse.Error(JsonRpcResponse.Error.METHOD_NOT_FOUND,
- "Method not implemented",
- null));
- }
-
try {
- parseParamsAndRunCommand(m, objectMapper, params, commandOutputWriter, (JsonRpcCommand<?>) command);
+ parseParamsAndRunCommand(objectMapper, params, commandJsonWriter, command);
} catch (JsonMappingException e) {
throw new JsonRpcException(new JsonRpcResponse.Error(JsonRpcResponse.Error.INVALID_REQUEST,
e.getMessage(),
}
private <T> void parseParamsAndRunCommand(
- final Manager m,
final ObjectMapper objectMapper,
final TreeNode params,
- final OutputWriter outputWriter,
- final JsonRpcCommand<T> command
+ final JsonWriter jsonWriter,
+ final CommandRunner<T> command
) throws CommandException, JsonMappingException {
T requestParams = null;
final var requestType = command.getRequestType();
throw new AssertionError(e);
}
}
- command.handleCommand(requestParams, m, outputWriter);
+ command.handleCommand(requestParams, jsonWriter);
+ }
+
+ private class SubscribeReceiveCommand implements JsonRpcSingleCommand<Void> {
+
+ @Override
+ public String getName() {
+ return "subscribeReceive";
+ }
+
+ @Override
+ public void handleCommand(
+ final Void request, final Manager m, final JsonWriter jsonWriter
+ ) throws CommandException {
+ subscribeReceive(m);
+ }
+ }
+
+ private class UnsubscribeReceiveCommand implements JsonRpcSingleCommand<Void> {
+
+ @Override
+ public String getName() {
+ return "unsubscribeReceive";
+ }
+
+ @Override
+ public void handleCommand(
+ final Void request, final Manager m, final JsonWriter jsonWriter
+ ) throws CommandException {
+ unsubscribeReceive(m);
+ }
}
}
git.nmode.ca / signal-cli / blobdiff
