679 lines
23 KiB
TypeScript
679 lines
23 KiB
TypeScript
import { resolveHumanDelayConfig } from "../../agents/identity.js";
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import { hasControlCommand } from "../../auto-reply/command-detection.js";
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import { dispatchInboundMessage } from "../../auto-reply/dispatch.js";
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import {
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formatInboundEnvelope,
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formatInboundFromLabel,
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resolveEnvelopeFormatOptions,
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} from "../../auto-reply/envelope.js";
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import {
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createInboundDebouncer,
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resolveInboundDebounceMs,
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} from "../../auto-reply/inbound-debounce.js";
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import {
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buildPendingHistoryContextFromMap,
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clearHistoryEntriesIfEnabled,
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recordPendingHistoryEntryIfEnabled,
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} from "../../auto-reply/reply/history.js";
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import { finalizeInboundContext } from "../../auto-reply/reply/inbound-context.js";
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import { buildMentionRegexes, matchesMentionPatterns } from "../../auto-reply/reply/mentions.js";
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import { createReplyDispatcherWithTyping } from "../../auto-reply/reply/reply-dispatcher.js";
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import { resolveControlCommandGate } from "../../channels/command-gating.js";
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import { logInboundDrop, logTypingFailure } from "../../channels/logging.js";
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import { resolveMentionGatingWithBypass } from "../../channels/mention-gating.js";
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import { normalizeSignalMessagingTarget } from "../../channels/plugins/normalize/signal.js";
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import { createReplyPrefixOptions } from "../../channels/reply-prefix.js";
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import { recordInboundSession } from "../../channels/session.js";
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import { createTypingCallbacks } from "../../channels/typing.js";
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import { resolveChannelGroupRequireMention } from "../../config/group-policy.js";
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import { readSessionUpdatedAt, resolveStorePath } from "../../config/sessions.js";
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import { danger, logVerbose, shouldLogVerbose } from "../../globals.js";
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import { enqueueSystemEvent } from "../../infra/system-events.js";
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import { mediaKindFromMime } from "../../media/constants.js";
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import { buildPairingReply } from "../../pairing/pairing-messages.js";
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import {
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readChannelAllowFromStore,
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upsertChannelPairingRequest,
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} from "../../pairing/pairing-store.js";
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import { resolveAgentRoute } from "../../routing/resolve-route.js";
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import { normalizeE164 } from "../../utils.js";
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import {
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formatSignalPairingIdLine,
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formatSignalSenderDisplay,
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formatSignalSenderId,
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isSignalSenderAllowed,
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resolveSignalPeerId,
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resolveSignalRecipient,
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resolveSignalSender,
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} from "../identity.js";
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import { sendMessageSignal, sendReadReceiptSignal, sendTypingSignal } from "../send.js";
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import type { SignalEventHandlerDeps, SignalReceivePayload } from "./event-handler.types.js";
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import { renderSignalMentions } from "./mentions.js";
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export function createSignalEventHandler(deps: SignalEventHandlerDeps) {
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const inboundDebounceMs = resolveInboundDebounceMs({ cfg: deps.cfg, channel: "signal" });
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type SignalInboundEntry = {
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senderName: string;
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senderDisplay: string;
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senderRecipient: string;
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senderPeerId: string;
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groupId?: string;
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groupName?: string;
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isGroup: boolean;
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bodyText: string;
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timestamp?: number;
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messageId?: string;
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mediaPath?: string;
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mediaType?: string;
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commandAuthorized: boolean;
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wasMentioned?: boolean;
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};
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async function handleSignalInboundMessage(entry: SignalInboundEntry) {
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const fromLabel = formatInboundFromLabel({
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isGroup: entry.isGroup,
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groupLabel: entry.groupName ?? undefined,
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groupId: entry.groupId ?? "unknown",
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groupFallback: "Group",
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directLabel: entry.senderName,
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directId: entry.senderDisplay,
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});
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const route = resolveAgentRoute({
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cfg: deps.cfg,
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channel: "signal",
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accountId: deps.accountId,
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peer: {
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kind: entry.isGroup ? "group" : "direct",
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id: entry.isGroup ? (entry.groupId ?? "unknown") : entry.senderPeerId,
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},
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});
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const storePath = resolveStorePath(deps.cfg.session?.store, {
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agentId: route.agentId,
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});
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const envelopeOptions = resolveEnvelopeFormatOptions(deps.cfg);
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const previousTimestamp = readSessionUpdatedAt({
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storePath,
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sessionKey: route.sessionKey,
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});
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const body = formatInboundEnvelope({
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channel: "Signal",
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from: fromLabel,
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timestamp: entry.timestamp ?? undefined,
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body: entry.bodyText,
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chatType: entry.isGroup ? "group" : "direct",
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sender: { name: entry.senderName, id: entry.senderDisplay },
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previousTimestamp,
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envelope: envelopeOptions,
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});
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let combinedBody = body;
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const historyKey = entry.isGroup ? String(entry.groupId ?? "unknown") : undefined;
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if (entry.isGroup && historyKey) {
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combinedBody = buildPendingHistoryContextFromMap({
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historyMap: deps.groupHistories,
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historyKey,
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limit: deps.historyLimit,
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currentMessage: combinedBody,
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formatEntry: (historyEntry) =>
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formatInboundEnvelope({
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channel: "Signal",
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from: fromLabel,
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timestamp: historyEntry.timestamp,
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body: `${historyEntry.body}${
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historyEntry.messageId ? ` [id:${historyEntry.messageId}]` : ""
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}`,
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chatType: "group",
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senderLabel: historyEntry.sender,
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envelope: envelopeOptions,
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}),
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});
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}
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const signalToRaw = entry.isGroup
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? `group:${entry.groupId}`
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: `signal:${entry.senderRecipient}`;
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const signalTo = normalizeSignalMessagingTarget(signalToRaw) ?? signalToRaw;
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const inboundHistory =
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entry.isGroup && historyKey && deps.historyLimit > 0
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? (deps.groupHistories.get(historyKey) ?? []).map((historyEntry) => ({
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sender: historyEntry.sender,
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body: historyEntry.body,
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timestamp: historyEntry.timestamp,
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}))
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: undefined;
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const ctxPayload = finalizeInboundContext({
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Body: combinedBody,
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BodyForAgent: entry.bodyText,
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InboundHistory: inboundHistory,
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RawBody: entry.bodyText,
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CommandBody: entry.bodyText,
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From: entry.isGroup
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? `group:${entry.groupId ?? "unknown"}`
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: `signal:${entry.senderRecipient}`,
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To: signalTo,
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SessionKey: route.sessionKey,
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AccountId: route.accountId,
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ChatType: entry.isGroup ? "group" : "direct",
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ConversationLabel: fromLabel,
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GroupSubject: entry.isGroup ? (entry.groupName ?? undefined) : undefined,
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SenderName: entry.senderName,
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SenderId: entry.senderDisplay,
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Provider: "signal" as const,
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Surface: "signal" as const,
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MessageSid: entry.messageId,
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Timestamp: entry.timestamp ?? undefined,
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MediaPath: entry.mediaPath,
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MediaType: entry.mediaType,
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MediaUrl: entry.mediaPath,
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WasMentioned: entry.isGroup ? entry.wasMentioned === true : undefined,
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CommandAuthorized: entry.commandAuthorized,
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OriginatingChannel: "signal" as const,
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OriginatingTo: signalTo,
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});
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await recordInboundSession({
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storePath,
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sessionKey: ctxPayload.SessionKey ?? route.sessionKey,
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ctx: ctxPayload,
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updateLastRoute: !entry.isGroup
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? {
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sessionKey: route.mainSessionKey,
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channel: "signal",
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to: entry.senderRecipient,
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accountId: route.accountId,
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}
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: undefined,
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onRecordError: (err) => {
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logVerbose(`signal: failed updating session meta: ${String(err)}`);
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},
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});
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if (shouldLogVerbose()) {
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const preview = body.slice(0, 200).replace(/\\n/g, "\\\\n");
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logVerbose(`signal inbound: from=${ctxPayload.From} len=${body.length} preview="${preview}"`);
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}
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const { onModelSelected, ...prefixOptions } = createReplyPrefixOptions({
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cfg: deps.cfg,
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agentId: route.agentId,
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channel: "signal",
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accountId: route.accountId,
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});
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const typingCallbacks = createTypingCallbacks({
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start: async () => {
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if (!ctxPayload.To) {
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return;
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}
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await sendTypingSignal(ctxPayload.To, {
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baseUrl: deps.baseUrl,
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account: deps.account,
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accountId: deps.accountId,
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});
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},
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onStartError: (err) => {
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logTypingFailure({
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log: logVerbose,
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channel: "signal",
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target: ctxPayload.To ?? undefined,
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error: err,
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});
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},
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});
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const { dispatcher, replyOptions, markDispatchIdle } = createReplyDispatcherWithTyping({
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...prefixOptions,
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humanDelay: resolveHumanDelayConfig(deps.cfg, route.agentId),
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deliver: async (payload) => {
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await deps.deliverReplies({
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replies: [payload],
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target: ctxPayload.To,
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baseUrl: deps.baseUrl,
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account: deps.account,
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accountId: deps.accountId,
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runtime: deps.runtime,
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maxBytes: deps.mediaMaxBytes,
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textLimit: deps.textLimit,
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});
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},
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onError: (err, info) => {
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deps.runtime.error?.(danger(`signal ${info.kind} reply failed: ${String(err)}`));
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},
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onReplyStart: typingCallbacks.onReplyStart,
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});
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const { queuedFinal } = await dispatchInboundMessage({
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ctx: ctxPayload,
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cfg: deps.cfg,
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dispatcher,
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replyOptions: {
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...replyOptions,
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disableBlockStreaming:
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typeof deps.blockStreaming === "boolean" ? !deps.blockStreaming : undefined,
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onModelSelected,
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},
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});
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markDispatchIdle();
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if (!queuedFinal) {
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if (entry.isGroup && historyKey) {
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clearHistoryEntriesIfEnabled({
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historyMap: deps.groupHistories,
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historyKey,
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limit: deps.historyLimit,
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});
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}
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return;
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}
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if (entry.isGroup && historyKey) {
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clearHistoryEntriesIfEnabled({
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historyMap: deps.groupHistories,
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historyKey,
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limit: deps.historyLimit,
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});
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}
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}
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const inboundDebouncer = createInboundDebouncer<SignalInboundEntry>({
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debounceMs: inboundDebounceMs,
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buildKey: (entry) => {
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const conversationId = entry.isGroup ? (entry.groupId ?? "unknown") : entry.senderPeerId;
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if (!conversationId || !entry.senderPeerId) {
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return null;
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}
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return `signal:${deps.accountId}:${conversationId}:${entry.senderPeerId}`;
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},
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shouldDebounce: (entry) => {
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if (!entry.bodyText.trim()) {
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return false;
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}
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if (entry.mediaPath || entry.mediaType) {
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return false;
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}
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return !hasControlCommand(entry.bodyText, deps.cfg);
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},
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onFlush: async (entries) => {
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const last = entries.at(-1);
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if (!last) {
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return;
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}
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if (entries.length === 1) {
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await handleSignalInboundMessage(last);
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return;
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}
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const combinedText = entries
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.map((entry) => entry.bodyText)
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.filter(Boolean)
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.join("\\n");
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if (!combinedText.trim()) {
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return;
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}
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await handleSignalInboundMessage({
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...last,
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bodyText: combinedText,
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mediaPath: undefined,
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mediaType: undefined,
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});
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},
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onError: (err) => {
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deps.runtime.error?.(`signal debounce flush failed: ${String(err)}`);
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},
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});
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return async (event: { event?: string; data?: string }) => {
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if (event.event !== "receive" || !event.data) {
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return;
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}
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let payload: SignalReceivePayload | null = null;
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try {
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payload = JSON.parse(event.data) as SignalReceivePayload;
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} catch (err) {
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deps.runtime.error?.(`failed to parse event: ${String(err)}`);
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return;
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}
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if (payload?.exception?.message) {
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deps.runtime.error?.(`receive exception: ${payload.exception.message}`);
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}
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const envelope = payload?.envelope;
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if (!envelope) {
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return;
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}
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if (envelope.syncMessage) {
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return;
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}
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const sender = resolveSignalSender(envelope);
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if (!sender) {
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return;
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}
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if (deps.account && sender.kind === "phone") {
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if (sender.e164 === normalizeE164(deps.account)) {
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return;
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}
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}
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const dataMessage = envelope.dataMessage ?? envelope.editMessage?.dataMessage;
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const reaction = deps.isSignalReactionMessage(envelope.reactionMessage)
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? envelope.reactionMessage
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: deps.isSignalReactionMessage(dataMessage?.reaction)
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? dataMessage?.reaction
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: null;
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// Replace  (object replacement character) with @uuid or @phone from mentions
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// Signal encodes mentions as the object replacement character; hydrate them from metadata first.
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const rawMessage = dataMessage?.message ?? "";
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const normalizedMessage = renderSignalMentions(rawMessage, dataMessage?.mentions);
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const messageText = normalizedMessage.trim();
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const quoteText = dataMessage?.quote?.text?.trim() ?? "";
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const hasBodyContent =
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Boolean(messageText || quoteText) || Boolean(!reaction && dataMessage?.attachments?.length);
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if (reaction && !hasBodyContent) {
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if (reaction.isRemove) {
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return;
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} // Ignore reaction removals
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const emojiLabel = reaction.emoji?.trim() || "emoji";
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const senderDisplay = formatSignalSenderDisplay(sender);
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const senderName = envelope.sourceName ?? senderDisplay;
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logVerbose(`signal reaction: ${emojiLabel} from ${senderName}`);
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const targets = deps.resolveSignalReactionTargets(reaction);
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const shouldNotify = deps.shouldEmitSignalReactionNotification({
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mode: deps.reactionMode,
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account: deps.account,
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targets,
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sender,
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allowlist: deps.reactionAllowlist,
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});
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if (!shouldNotify) {
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return;
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}
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const groupId = reaction.groupInfo?.groupId ?? undefined;
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const groupName = reaction.groupInfo?.groupName ?? undefined;
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const isGroup = Boolean(groupId);
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const senderPeerId = resolveSignalPeerId(sender);
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const route = resolveAgentRoute({
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cfg: deps.cfg,
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channel: "signal",
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accountId: deps.accountId,
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peer: {
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kind: isGroup ? "group" : "direct",
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id: isGroup ? (groupId ?? "unknown") : senderPeerId,
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},
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});
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const groupLabel = isGroup ? `${groupName ?? "Signal Group"} id:${groupId}` : undefined;
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const messageId = reaction.targetSentTimestamp
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? String(reaction.targetSentTimestamp)
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: "unknown";
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const text = deps.buildSignalReactionSystemEventText({
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emojiLabel,
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actorLabel: senderName,
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messageId,
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targetLabel: targets[0]?.display,
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groupLabel,
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});
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const senderId = formatSignalSenderId(sender);
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const contextKey = [
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"signal",
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"reaction",
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"added",
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messageId,
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senderId,
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emojiLabel,
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groupId ?? "",
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]
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.filter(Boolean)
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.join(":");
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enqueueSystemEvent(text, { sessionKey: route.sessionKey, contextKey });
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return;
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}
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if (!dataMessage) {
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return;
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}
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const senderDisplay = formatSignalSenderDisplay(sender);
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const senderRecipient = resolveSignalRecipient(sender);
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const senderPeerId = resolveSignalPeerId(sender);
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const senderAllowId = formatSignalSenderId(sender);
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if (!senderRecipient) {
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return;
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}
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const senderIdLine = formatSignalPairingIdLine(sender);
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const groupId = dataMessage.groupInfo?.groupId ?? undefined;
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const groupName = dataMessage.groupInfo?.groupName ?? undefined;
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const isGroup = Boolean(groupId);
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const storeAllowFrom = await readChannelAllowFromStore("signal").catch(() => []);
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const effectiveDmAllow = [...deps.allowFrom, ...storeAllowFrom];
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const effectiveGroupAllow = [...deps.groupAllowFrom, ...storeAllowFrom];
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const dmAllowed =
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deps.dmPolicy === "open" ? true : isSignalSenderAllowed(sender, effectiveDmAllow);
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if (!isGroup) {
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if (deps.dmPolicy === "disabled") {
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return;
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}
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if (!dmAllowed) {
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if (deps.dmPolicy === "pairing") {
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const senderId = senderAllowId;
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const { code, created } = await upsertChannelPairingRequest({
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channel: "signal",
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id: senderId,
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meta: { name: envelope.sourceName ?? undefined },
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});
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if (created) {
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logVerbose(`signal pairing request sender=${senderId}`);
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try {
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await sendMessageSignal(
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`signal:${senderRecipient}`,
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buildPairingReply({
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channel: "signal",
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idLine: senderIdLine,
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code,
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}),
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{
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baseUrl: deps.baseUrl,
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account: deps.account,
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maxBytes: deps.mediaMaxBytes,
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accountId: deps.accountId,
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},
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);
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} catch (err) {
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logVerbose(`signal pairing reply failed for ${senderId}: ${String(err)}`);
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}
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}
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} else {
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logVerbose(`Blocked signal sender ${senderDisplay} (dmPolicy=${deps.dmPolicy})`);
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}
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return;
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}
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}
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if (isGroup && deps.groupPolicy === "disabled") {
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logVerbose("Blocked signal group message (groupPolicy: disabled)");
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return;
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}
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if (isGroup && deps.groupPolicy === "allowlist") {
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if (effectiveGroupAllow.length === 0) {
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logVerbose("Blocked signal group message (groupPolicy: allowlist, no groupAllowFrom)");
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return;
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}
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if (!isSignalSenderAllowed(sender, effectiveGroupAllow)) {
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logVerbose(`Blocked signal group sender ${senderDisplay} (not in groupAllowFrom)`);
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return;
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}
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}
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const useAccessGroups = deps.cfg.commands?.useAccessGroups !== false;
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const ownerAllowedForCommands = isSignalSenderAllowed(sender, effectiveDmAllow);
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const groupAllowedForCommands = isSignalSenderAllowed(sender, effectiveGroupAllow);
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const hasControlCommandInMessage = hasControlCommand(messageText, deps.cfg);
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const commandGate = resolveControlCommandGate({
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useAccessGroups,
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authorizers: [
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{ configured: effectiveDmAllow.length > 0, allowed: ownerAllowedForCommands },
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||
{ configured: effectiveGroupAllow.length > 0, allowed: groupAllowedForCommands },
|
||
],
|
||
allowTextCommands: true,
|
||
hasControlCommand: hasControlCommandInMessage,
|
||
});
|
||
const commandAuthorized = isGroup ? commandGate.commandAuthorized : dmAllowed;
|
||
if (isGroup && commandGate.shouldBlock) {
|
||
logInboundDrop({
|
||
log: logVerbose,
|
||
channel: "signal",
|
||
reason: "control command (unauthorized)",
|
||
target: senderDisplay,
|
||
});
|
||
return;
|
||
}
|
||
|
||
const route = resolveAgentRoute({
|
||
cfg: deps.cfg,
|
||
channel: "signal",
|
||
accountId: deps.accountId,
|
||
peer: {
|
||
kind: isGroup ? "group" : "direct",
|
||
id: isGroup ? (groupId ?? "unknown") : senderPeerId,
|
||
},
|
||
});
|
||
const mentionRegexes = buildMentionRegexes(deps.cfg, route.agentId);
|
||
const wasMentioned = isGroup && matchesMentionPatterns(messageText, mentionRegexes);
|
||
const requireMention =
|
||
isGroup &&
|
||
resolveChannelGroupRequireMention({
|
||
cfg: deps.cfg,
|
||
channel: "signal",
|
||
groupId,
|
||
accountId: deps.accountId,
|
||
});
|
||
const canDetectMention = mentionRegexes.length > 0;
|
||
const mentionGate = resolveMentionGatingWithBypass({
|
||
isGroup,
|
||
requireMention: Boolean(requireMention),
|
||
canDetectMention,
|
||
wasMentioned,
|
||
implicitMention: false,
|
||
hasAnyMention: false,
|
||
allowTextCommands: true,
|
||
hasControlCommand: hasControlCommandInMessage,
|
||
commandAuthorized,
|
||
});
|
||
const effectiveWasMentioned = mentionGate.effectiveWasMentioned;
|
||
if (isGroup && requireMention && canDetectMention && mentionGate.shouldSkip) {
|
||
logInboundDrop({
|
||
log: logVerbose,
|
||
channel: "signal",
|
||
reason: "no mention",
|
||
target: senderDisplay,
|
||
});
|
||
const quoteText = dataMessage.quote?.text?.trim() || "";
|
||
const pendingPlaceholder = (() => {
|
||
if (!dataMessage.attachments?.length) {
|
||
return "";
|
||
}
|
||
// When we're skipping a message we intentionally avoid downloading attachments.
|
||
// Still record a useful placeholder for pending-history context.
|
||
if (deps.ignoreAttachments) {
|
||
return "<media:attachment>";
|
||
}
|
||
const firstContentType = dataMessage.attachments?.[0]?.contentType;
|
||
const pendingKind = mediaKindFromMime(firstContentType ?? undefined);
|
||
return pendingKind ? `<media:${pendingKind}>` : "<media:attachment>";
|
||
})();
|
||
const pendingBodyText = messageText || pendingPlaceholder || quoteText;
|
||
const historyKey = groupId ?? "unknown";
|
||
recordPendingHistoryEntryIfEnabled({
|
||
historyMap: deps.groupHistories,
|
||
historyKey,
|
||
limit: deps.historyLimit,
|
||
entry: {
|
||
sender: envelope.sourceName ?? senderDisplay,
|
||
body: pendingBodyText,
|
||
timestamp: envelope.timestamp ?? undefined,
|
||
messageId:
|
||
typeof envelope.timestamp === "number" ? String(envelope.timestamp) : undefined,
|
||
},
|
||
});
|
||
return;
|
||
}
|
||
|
||
let mediaPath: string | undefined;
|
||
let mediaType: string | undefined;
|
||
let placeholder = "";
|
||
const firstAttachment = dataMessage.attachments?.[0];
|
||
if (firstAttachment?.id && !deps.ignoreAttachments) {
|
||
try {
|
||
const fetched = await deps.fetchAttachment({
|
||
baseUrl: deps.baseUrl,
|
||
account: deps.account,
|
||
attachment: firstAttachment,
|
||
sender: senderRecipient,
|
||
groupId,
|
||
maxBytes: deps.mediaMaxBytes,
|
||
});
|
||
if (fetched) {
|
||
mediaPath = fetched.path;
|
||
mediaType = fetched.contentType ?? firstAttachment.contentType ?? undefined;
|
||
}
|
||
} catch (err) {
|
||
deps.runtime.error?.(danger(`attachment fetch failed: ${String(err)}`));
|
||
}
|
||
}
|
||
|
||
const kind = mediaKindFromMime(mediaType ?? undefined);
|
||
if (kind) {
|
||
placeholder = `<media:${kind}>`;
|
||
} else if (dataMessage.attachments?.length) {
|
||
placeholder = "<media:attachment>";
|
||
}
|
||
|
||
const bodyText = messageText || placeholder || dataMessage.quote?.text?.trim() || "";
|
||
if (!bodyText) {
|
||
return;
|
||
}
|
||
|
||
const receiptTimestamp =
|
||
typeof envelope.timestamp === "number"
|
||
? envelope.timestamp
|
||
: typeof dataMessage.timestamp === "number"
|
||
? dataMessage.timestamp
|
||
: undefined;
|
||
if (deps.sendReadReceipts && !deps.readReceiptsViaDaemon && !isGroup && receiptTimestamp) {
|
||
try {
|
||
await sendReadReceiptSignal(`signal:${senderRecipient}`, receiptTimestamp, {
|
||
baseUrl: deps.baseUrl,
|
||
account: deps.account,
|
||
accountId: deps.accountId,
|
||
});
|
||
} catch (err) {
|
||
logVerbose(`signal read receipt failed for ${senderDisplay}: ${String(err)}`);
|
||
}
|
||
} else if (
|
||
deps.sendReadReceipts &&
|
||
!deps.readReceiptsViaDaemon &&
|
||
!isGroup &&
|
||
!receiptTimestamp
|
||
) {
|
||
logVerbose(`signal read receipt skipped (missing timestamp) for ${senderDisplay}`);
|
||
}
|
||
|
||
const senderName = envelope.sourceName ?? senderDisplay;
|
||
const messageId =
|
||
typeof envelope.timestamp === "number" ? String(envelope.timestamp) : undefined;
|
||
await inboundDebouncer.enqueue({
|
||
senderName,
|
||
senderDisplay,
|
||
senderRecipient,
|
||
senderPeerId,
|
||
groupId,
|
||
groupName,
|
||
isGroup,
|
||
bodyText,
|
||
timestamp: envelope.timestamp ?? undefined,
|
||
messageId,
|
||
mediaPath,
|
||
mediaType,
|
||
commandAuthorized,
|
||
wasMentioned: effectiveWasMentioned,
|
||
});
|
||
};
|
||
}
|