Files
clawdbot/extensions/googlechat/src/monitor.ts
2026-01-25 04:11:36 +00:00

901 lines
29 KiB
TypeScript

import type { IncomingMessage, ServerResponse } from "node:http";
import type { ClawdbotConfig } from "clawdbot/plugin-sdk";
import { resolveMentionGatingWithBypass } from "clawdbot/plugin-sdk";
import {
type ResolvedGoogleChatAccount
} from "./accounts.js";
import {
downloadGoogleChatMedia,
deleteGoogleChatMessage,
sendGoogleChatMessage,
updateGoogleChatMessage,
} from "./api.js";
import { verifyGoogleChatRequest, type GoogleChatAudienceType } from "./auth.js";
import { getGoogleChatRuntime } from "./runtime.js";
import type {
GoogleChatAnnotation,
GoogleChatAttachment,
GoogleChatEvent,
GoogleChatSpace,
GoogleChatMessage,
GoogleChatUser,
} from "./types.js";
export type GoogleChatRuntimeEnv = {
log?: (message: string) => void;
error?: (message: string) => void;
};
export type GoogleChatMonitorOptions = {
account: ResolvedGoogleChatAccount;
config: ClawdbotConfig;
runtime: GoogleChatRuntimeEnv;
abortSignal: AbortSignal;
webhookPath?: string;
webhookUrl?: string;
statusSink?: (patch: { lastInboundAt?: number; lastOutboundAt?: number }) => void;
};
type GoogleChatCoreRuntime = ReturnType<typeof getGoogleChatRuntime>;
type WebhookTarget = {
account: ResolvedGoogleChatAccount;
config: ClawdbotConfig;
runtime: GoogleChatRuntimeEnv;
core: GoogleChatCoreRuntime;
path: string;
audienceType?: GoogleChatAudienceType;
audience?: string;
statusSink?: (patch: { lastInboundAt?: number; lastOutboundAt?: number }) => void;
mediaMaxMb: number;
};
const webhookTargets = new Map<string, WebhookTarget[]>();
function logVerbose(core: GoogleChatCoreRuntime, runtime: GoogleChatRuntimeEnv, message: string) {
if (core.logging.shouldLogVerbose()) {
runtime.log?.(`[googlechat] ${message}`);
}
}
function normalizeWebhookPath(raw: string): string {
const trimmed = raw.trim();
if (!trimmed) return "/";
const withSlash = trimmed.startsWith("/") ? trimmed : `/${trimmed}`;
if (withSlash.length > 1 && withSlash.endsWith("/")) {
return withSlash.slice(0, -1);
}
return withSlash;
}
function resolveWebhookPath(webhookPath?: string, webhookUrl?: string): string | null {
const trimmedPath = webhookPath?.trim();
if (trimmedPath) return normalizeWebhookPath(trimmedPath);
if (webhookUrl?.trim()) {
try {
const parsed = new URL(webhookUrl);
return normalizeWebhookPath(parsed.pathname || "/");
} catch {
return null;
}
}
return "/googlechat";
}
async function readJsonBody(req: IncomingMessage, maxBytes: number) {
const chunks: Buffer[] = [];
let total = 0;
return await new Promise<{ ok: boolean; value?: unknown; error?: string }>((resolve) => {
let resolved = false;
const doResolve = (value: { ok: boolean; value?: unknown; error?: string }) => {
if (resolved) return;
resolved = true;
req.removeAllListeners();
resolve(value);
};
req.on("data", (chunk: Buffer) => {
total += chunk.length;
if (total > maxBytes) {
doResolve({ ok: false, error: "payload too large" });
req.destroy();
return;
}
chunks.push(chunk);
});
req.on("end", () => {
try {
const raw = Buffer.concat(chunks).toString("utf8");
if (!raw.trim()) {
doResolve({ ok: false, error: "empty payload" });
return;
}
doResolve({ ok: true, value: JSON.parse(raw) as unknown });
} catch (err) {
doResolve({ ok: false, error: err instanceof Error ? err.message : String(err) });
}
});
req.on("error", (err) => {
doResolve({ ok: false, error: err instanceof Error ? err.message : String(err) });
});
});
}
export function registerGoogleChatWebhookTarget(target: WebhookTarget): () => void {
const key = normalizeWebhookPath(target.path);
const normalizedTarget = { ...target, path: key };
const existing = webhookTargets.get(key) ?? [];
const next = [...existing, normalizedTarget];
webhookTargets.set(key, next);
return () => {
const updated = (webhookTargets.get(key) ?? []).filter((entry) => entry !== normalizedTarget);
if (updated.length > 0) {
webhookTargets.set(key, updated);
} else {
webhookTargets.delete(key);
}
};
}
function normalizeAudienceType(value?: string | null): GoogleChatAudienceType | undefined {
const normalized = value?.trim().toLowerCase();
if (normalized === "app-url" || normalized === "app_url" || normalized === "app") {
return "app-url";
}
if (normalized === "project-number" || normalized === "project_number" || normalized === "project") {
return "project-number";
}
return undefined;
}
export async function handleGoogleChatWebhookRequest(
req: IncomingMessage,
res: ServerResponse,
): Promise<boolean> {
const url = new URL(req.url ?? "/", "http://localhost");
const path = normalizeWebhookPath(url.pathname);
const targets = webhookTargets.get(path);
if (!targets || targets.length === 0) return false;
if (req.method !== "POST") {
res.statusCode = 405;
res.setHeader("Allow", "POST");
res.end("Method Not Allowed");
return true;
}
const authHeader = String(req.headers.authorization ?? "");
const bearer = authHeader.toLowerCase().startsWith("bearer ")
? authHeader.slice("bearer ".length)
: "";
const body = await readJsonBody(req, 1024 * 1024);
if (!body.ok) {
res.statusCode = body.error === "payload too large" ? 413 : 400;
res.end(body.error ?? "invalid payload");
return true;
}
let raw = body.value;
if (!raw || typeof raw !== "object" || Array.isArray(raw)) {
res.statusCode = 400;
res.end("invalid payload");
return true;
}
// Transform Google Workspace Add-on format to standard Chat API format
const rawObj = raw as {
commonEventObject?: { hostApp?: string };
chat?: {
messagePayload?: { space?: GoogleChatSpace; message?: GoogleChatMessage };
user?: GoogleChatUser;
eventTime?: string;
};
authorizationEventObject?: { systemIdToken?: string };
};
if (rawObj.commonEventObject?.hostApp === "CHAT" && rawObj.chat?.messagePayload) {
const chat = rawObj.chat;
const messagePayload = chat.messagePayload;
raw = {
type: "MESSAGE",
space: messagePayload?.space,
message: messagePayload?.message,
user: chat.user,
eventTime: chat.eventTime,
};
// For Add-ons, the bearer token may be in authorizationEventObject.systemIdToken
const systemIdToken = rawObj.authorizationEventObject?.systemIdToken;
if (!bearer && systemIdToken) {
Object.assign(req.headers, { authorization: `Bearer ${systemIdToken}` });
}
}
const event = raw as GoogleChatEvent;
const eventType = event.type ?? (raw as { eventType?: string }).eventType;
if (typeof eventType !== "string") {
res.statusCode = 400;
res.end("invalid payload");
return true;
}
if (!event.space || typeof event.space !== "object" || Array.isArray(event.space)) {
res.statusCode = 400;
res.end("invalid payload");
return true;
}
if (eventType === "MESSAGE") {
if (!event.message || typeof event.message !== "object" || Array.isArray(event.message)) {
res.statusCode = 400;
res.end("invalid payload");
return true;
}
}
// Re-extract bearer in case it was updated from Add-on format
const authHeaderNow = String(req.headers.authorization ?? "");
const effectiveBearer = authHeaderNow.toLowerCase().startsWith("bearer ")
? authHeaderNow.slice("bearer ".length)
: bearer;
let selected: WebhookTarget | undefined;
for (const target of targets) {
const audienceType = target.audienceType;
const audience = target.audience;
const verification = await verifyGoogleChatRequest({
bearer: effectiveBearer,
audienceType,
audience,
});
if (verification.ok) {
selected = target;
break;
}
}
if (!selected) {
res.statusCode = 401;
res.end("unauthorized");
return true;
}
selected.statusSink?.({ lastInboundAt: Date.now() });
processGoogleChatEvent(event, selected).catch((err) => {
selected?.runtime.error?.(
`[${selected.account.accountId}] Google Chat webhook failed: ${String(err)}`,
);
});
res.statusCode = 200;
res.setHeader("Content-Type", "application/json");
res.end("{}");
return true;
}
async function processGoogleChatEvent(event: GoogleChatEvent, target: WebhookTarget) {
const eventType = event.type ?? (event as { eventType?: string }).eventType;
if (eventType !== "MESSAGE") return;
if (!event.message || !event.space) return;
await processMessageWithPipeline({
event,
account: target.account,
config: target.config,
runtime: target.runtime,
core: target.core,
statusSink: target.statusSink,
mediaMaxMb: target.mediaMaxMb,
});
}
function normalizeUserId(raw?: string | null): string {
const trimmed = raw?.trim() ?? "";
if (!trimmed) return "";
return trimmed.replace(/^users\//i, "").toLowerCase();
}
export function isSenderAllowed(
senderId: string,
senderEmail: string | undefined,
allowFrom: string[],
) {
if (allowFrom.includes("*")) return true;
const normalizedSenderId = normalizeUserId(senderId);
const normalizedEmail = senderEmail?.trim().toLowerCase() ?? "";
return allowFrom.some((entry) => {
const normalized = String(entry).trim().toLowerCase();
if (!normalized) return false;
if (normalized === normalizedSenderId) return true;
if (normalizedEmail && normalized === normalizedEmail) return true;
if (normalizedEmail && normalized.replace(/^users\//i, "") === normalizedEmail) return true;
if (normalized.replace(/^users\//i, "") === normalizedSenderId) return true;
if (normalized.replace(/^(googlechat|google-chat|gchat):/i, "") === normalizedSenderId) {
return true;
}
return false;
});
}
function resolveGroupConfig(params: {
groupId: string;
groupName?: string | null;
groups?: Record<string, { requireMention?: boolean; allow?: boolean; enabled?: boolean; users?: Array<string | number>; systemPrompt?: string }>;
}) {
const { groupId, groupName, groups } = params;
const entries = groups ?? {};
const keys = Object.keys(entries);
if (keys.length === 0) {
return { entry: undefined, allowlistConfigured: false };
}
const normalizedName = groupName?.trim().toLowerCase();
const candidates = [groupId, groupName ?? "", normalizedName ?? ""].filter(Boolean);
let entry = candidates.map((candidate) => entries[candidate]).find(Boolean);
if (!entry && normalizedName) {
entry = entries[normalizedName];
}
const fallback = entries["*"];
return { entry: entry ?? fallback, allowlistConfigured: true, fallback };
}
function extractMentionInfo(annotations: GoogleChatAnnotation[], botUser?: string | null) {
const mentionAnnotations = annotations.filter((entry) => entry.type === "USER_MENTION");
const hasAnyMention = mentionAnnotations.length > 0;
const botTargets = new Set(["users/app", botUser?.trim()].filter(Boolean) as string[]);
const wasMentioned = mentionAnnotations.some((entry) => {
const userName = entry.userMention?.user?.name;
if (!userName) return false;
if (botTargets.has(userName)) return true;
return normalizeUserId(userName) === "app";
});
return { hasAnyMention, wasMentioned };
}
/**
* Resolve bot display name with fallback chain:
* 1. Account config name
* 2. Agent name from config
* 3. "Clawdbot" as generic fallback
*/
function resolveBotDisplayName(params: {
accountName?: string;
agentId: string;
config: ClawdbotConfig;
}): string {
const { accountName, agentId, config } = params;
if (accountName?.trim()) return accountName.trim();
const agent = config.agents?.list?.find((a) => a.id === agentId);
if (agent?.name?.trim()) return agent.name.trim();
return "Clawdbot";
}
async function processMessageWithPipeline(params: {
event: GoogleChatEvent;
account: ResolvedGoogleChatAccount;
config: ClawdbotConfig;
runtime: GoogleChatRuntimeEnv;
core: GoogleChatCoreRuntime;
statusSink?: (patch: { lastInboundAt?: number; lastOutboundAt?: number }) => void;
mediaMaxMb: number;
}): Promise<void> {
const { event, account, config, runtime, core, statusSink, mediaMaxMb } = params;
const space = event.space;
const message = event.message;
if (!space || !message) return;
const spaceId = space.name ?? "";
if (!spaceId) return;
const spaceType = (space.type ?? "").toUpperCase();
const isGroup = spaceType !== "DM";
const sender = message.sender ?? event.user;
const senderId = sender?.name ?? "";
const senderName = sender?.displayName ?? "";
const senderEmail = sender?.email ?? undefined;
const allowBots = account.config.allowBots === true;
if (!allowBots) {
if (sender?.type?.toUpperCase() === "BOT") {
logVerbose(core, runtime, `skip bot-authored message (${senderId || "unknown"})`);
return;
}
if (senderId === "users/app") {
logVerbose(core, runtime, "skip app-authored message");
return;
}
}
const messageText = (message.argumentText ?? message.text ?? "").trim();
const attachments = message.attachment ?? [];
const hasMedia = attachments.length > 0;
const rawBody = messageText || (hasMedia ? "<media:attachment>" : "");
if (!rawBody) return;
const defaultGroupPolicy = config.channels?.defaults?.groupPolicy;
const groupPolicy = account.config.groupPolicy ?? defaultGroupPolicy ?? "allowlist";
const groupConfigResolved = resolveGroupConfig({
groupId: spaceId,
groupName: space.displayName ?? null,
groups: account.config.groups ?? undefined,
});
const groupEntry = groupConfigResolved.entry;
const groupUsers = groupEntry?.users ?? account.config.groupAllowFrom ?? [];
let effectiveWasMentioned: boolean | undefined;
if (isGroup) {
if (groupPolicy === "disabled") {
logVerbose(core, runtime, `drop group message (groupPolicy=disabled, space=${spaceId})`);
return;
}
const groupAllowlistConfigured = groupConfigResolved.allowlistConfigured;
const groupAllowed =
Boolean(groupEntry) || Boolean((account.config.groups ?? {})["*"]);
if (groupPolicy === "allowlist") {
if (!groupAllowlistConfigured) {
logVerbose(
core,
runtime,
`drop group message (groupPolicy=allowlist, no allowlist, space=${spaceId})`,
);
return;
}
if (!groupAllowed) {
logVerbose(core, runtime, `drop group message (not allowlisted, space=${spaceId})`);
return;
}
}
if (groupEntry?.enabled === false || groupEntry?.allow === false) {
logVerbose(core, runtime, `drop group message (space disabled, space=${spaceId})`);
return;
}
if (groupUsers.length > 0) {
const ok = isSenderAllowed(senderId, senderEmail, groupUsers.map((v) => String(v)));
if (!ok) {
logVerbose(core, runtime, `drop group message (sender not allowed, ${senderId})`);
return;
}
}
}
const dmPolicy = account.config.dm?.policy ?? "pairing";
const configAllowFrom = (account.config.dm?.allowFrom ?? []).map((v) => String(v));
const shouldComputeAuth = core.channel.commands.shouldComputeCommandAuthorized(rawBody, config);
const storeAllowFrom =
!isGroup && (dmPolicy !== "open" || shouldComputeAuth)
? await core.channel.pairing.readAllowFromStore("googlechat").catch(() => [])
: [];
const effectiveAllowFrom = [...configAllowFrom, ...storeAllowFrom];
const commandAllowFrom = isGroup ? groupUsers.map((v) => String(v)) : effectiveAllowFrom;
const useAccessGroups = config.commands?.useAccessGroups !== false;
const senderAllowedForCommands = isSenderAllowed(senderId, senderEmail, commandAllowFrom);
const commandAuthorized = shouldComputeAuth
? core.channel.commands.resolveCommandAuthorizedFromAuthorizers({
useAccessGroups,
authorizers: [
{ configured: commandAllowFrom.length > 0, allowed: senderAllowedForCommands },
],
})
: undefined;
if (isGroup) {
const requireMention = groupEntry?.requireMention ?? account.config.requireMention ?? true;
const annotations = message.annotations ?? [];
const mentionInfo = extractMentionInfo(annotations, account.config.botUser);
const allowTextCommands = core.channel.commands.shouldHandleTextCommands({
cfg: config,
surface: "googlechat",
});
const mentionGate = resolveMentionGatingWithBypass({
isGroup: true,
requireMention,
canDetectMention: true,
wasMentioned: mentionInfo.wasMentioned,
implicitMention: false,
hasAnyMention: mentionInfo.hasAnyMention,
allowTextCommands,
hasControlCommand: core.channel.text.hasControlCommand(rawBody, config),
commandAuthorized: commandAuthorized === true,
});
effectiveWasMentioned = mentionGate.effectiveWasMentioned;
if (mentionGate.shouldSkip) {
logVerbose(core, runtime, `drop group message (mention required, space=${spaceId})`);
return;
}
}
if (!isGroup) {
if (dmPolicy === "disabled" || account.config.dm?.enabled === false) {
logVerbose(core, runtime, `Blocked Google Chat DM from ${senderId} (dmPolicy=disabled)`);
return;
}
if (dmPolicy !== "open") {
const allowed = senderAllowedForCommands;
if (!allowed) {
if (dmPolicy === "pairing") {
const { code, created } = await core.channel.pairing.upsertPairingRequest({
channel: "googlechat",
id: senderId,
meta: { name: senderName || undefined, email: senderEmail },
});
if (created) {
logVerbose(core, runtime, `googlechat pairing request sender=${senderId}`);
try {
await sendGoogleChatMessage({
account,
space: spaceId,
text: core.channel.pairing.buildPairingReply({
channel: "googlechat",
idLine: `Your Google Chat user id: ${senderId}`,
code,
}),
});
statusSink?.({ lastOutboundAt: Date.now() });
} catch (err) {
logVerbose(core, runtime, `pairing reply failed for ${senderId}: ${String(err)}`);
}
}
} else {
logVerbose(
core,
runtime,
`Blocked unauthorized Google Chat sender ${senderId} (dmPolicy=${dmPolicy})`,
);
}
return;
}
}
}
if (
isGroup &&
core.channel.commands.isControlCommandMessage(rawBody, config) &&
commandAuthorized !== true
) {
logVerbose(core, runtime, `googlechat: drop control command from ${senderId}`);
return;
}
const route = core.channel.routing.resolveAgentRoute({
cfg: config,
channel: "googlechat",
accountId: account.accountId,
peer: {
kind: isGroup ? "group" : "dm",
id: spaceId,
},
});
let mediaPath: string | undefined;
let mediaType: string | undefined;
if (attachments.length > 0) {
const first = attachments[0];
const attachmentData = await downloadAttachment(first, account, mediaMaxMb, core);
if (attachmentData) {
mediaPath = attachmentData.path;
mediaType = attachmentData.contentType;
}
}
const fromLabel = isGroup
? space.displayName || `space:${spaceId}`
: senderName || `user:${senderId}`;
const storePath = core.channel.session.resolveStorePath(config.session?.store, {
agentId: route.agentId,
});
const envelopeOptions = core.channel.reply.resolveEnvelopeFormatOptions(config);
const previousTimestamp = core.channel.session.readSessionUpdatedAt({
storePath,
sessionKey: route.sessionKey,
});
const body = core.channel.reply.formatAgentEnvelope({
channel: "Google Chat",
from: fromLabel,
timestamp: event.eventTime ? Date.parse(event.eventTime) : undefined,
previousTimestamp,
envelope: envelopeOptions,
body: rawBody,
});
const groupSystemPrompt = groupConfigResolved.entry?.systemPrompt?.trim() || undefined;
const ctxPayload = core.channel.reply.finalizeInboundContext({
Body: body,
RawBody: rawBody,
CommandBody: rawBody,
From: `googlechat:${senderId}`,
To: `googlechat:${spaceId}`,
SessionKey: route.sessionKey,
AccountId: route.accountId,
ChatType: isGroup ? "channel" : "direct",
ConversationLabel: fromLabel,
SenderName: senderName || undefined,
SenderId: senderId,
SenderUsername: senderEmail,
WasMentioned: isGroup ? effectiveWasMentioned : undefined,
CommandAuthorized: commandAuthorized,
Provider: "googlechat",
Surface: "googlechat",
MessageSid: message.name,
MessageSidFull: message.name,
ReplyToId: message.thread?.name,
ReplyToIdFull: message.thread?.name,
MediaPath: mediaPath,
MediaType: mediaType,
MediaUrl: mediaPath,
GroupSpace: isGroup ? space.displayName ?? undefined : undefined,
GroupSystemPrompt: isGroup ? groupSystemPrompt : undefined,
OriginatingChannel: "googlechat",
OriginatingTo: `googlechat:${spaceId}`,
});
void core.channel.session
.recordSessionMetaFromInbound({
storePath,
sessionKey: ctxPayload.SessionKey ?? route.sessionKey,
ctx: ctxPayload,
})
.catch((err) => {
runtime.error?.(`googlechat: failed updating session meta: ${String(err)}`);
});
// Typing indicator setup
// Note: Reaction mode requires user OAuth, not available with service account auth.
// If reaction is configured, we fall back to message mode with a warning.
let typingIndicator = account.config.typingIndicator ?? "message";
if (typingIndicator === "reaction") {
runtime.error?.(
`[${account.accountId}] typingIndicator="reaction" requires user OAuth (not supported with service account). Falling back to "message" mode.`,
);
typingIndicator = "message";
}
let typingMessageName: string | undefined;
// Start typing indicator (message mode only, reaction mode not supported with app auth)
if (typingIndicator === "message") {
try {
const botName = resolveBotDisplayName({
accountName: account.config.name,
agentId: route.agentId,
config,
});
const result = await sendGoogleChatMessage({
account,
space: spaceId,
text: `_${botName} is typing..._`,
thread: message.thread?.name,
});
typingMessageName = result?.messageName;
} catch (err) {
runtime.error?.(`Failed sending typing message: ${String(err)}`);
}
}
await core.channel.reply.dispatchReplyWithBufferedBlockDispatcher({
ctx: ctxPayload,
cfg: config,
dispatcherOptions: {
deliver: async (payload) => {
await deliverGoogleChatReply({
payload,
account,
spaceId,
runtime,
core,
config,
statusSink,
typingMessageName,
});
// Only use typing message for first delivery
typingMessageName = undefined;
},
onError: (err, info) => {
runtime.error?.(
`[${account.accountId}] Google Chat ${info.kind} reply failed: ${String(err)}`,
);
},
},
});
}
async function downloadAttachment(
attachment: GoogleChatAttachment,
account: ResolvedGoogleChatAccount,
mediaMaxMb: number,
core: GoogleChatCoreRuntime,
): Promise<{ path: string; contentType?: string } | null> {
const resourceName = attachment.attachmentDataRef?.resourceName;
if (!resourceName) return null;
const maxBytes = Math.max(1, mediaMaxMb) * 1024 * 1024;
const downloaded = await downloadGoogleChatMedia({ account, resourceName, maxBytes });
const saved = await core.channel.media.saveMediaBuffer(
downloaded.buffer,
downloaded.contentType ?? attachment.contentType,
"inbound",
maxBytes,
attachment.contentName,
);
return { path: saved.path, contentType: saved.contentType };
}
async function deliverGoogleChatReply(params: {
payload: { text?: string; mediaUrls?: string[]; mediaUrl?: string; replyToId?: string };
account: ResolvedGoogleChatAccount;
spaceId: string;
runtime: GoogleChatRuntimeEnv;
core: GoogleChatCoreRuntime;
config: ClawdbotConfig;
statusSink?: (patch: { lastInboundAt?: number; lastOutboundAt?: number }) => void;
typingMessageName?: string;
}): Promise<void> {
const { payload, account, spaceId, runtime, core, config, statusSink, typingMessageName } = params;
const mediaList = payload.mediaUrls?.length
? payload.mediaUrls
: payload.mediaUrl
? [payload.mediaUrl]
: [];
if (mediaList.length > 0) {
let suppressCaption = false;
if (typingMessageName) {
try {
await deleteGoogleChatMessage({
account,
messageName: typingMessageName,
});
} catch (err) {
runtime.error?.(`Google Chat typing cleanup failed: ${String(err)}`);
const fallbackText = payload.text?.trim()
? payload.text
: mediaList.length > 1
? "Sent attachments."
: "Sent attachment.";
try {
await updateGoogleChatMessage({
account,
messageName: typingMessageName,
text: fallbackText,
});
suppressCaption = Boolean(payload.text?.trim());
} catch (updateErr) {
runtime.error?.(`Google Chat typing update failed: ${String(updateErr)}`);
}
}
}
let first = true;
for (const mediaUrl of mediaList) {
const caption = first && !suppressCaption ? payload.text : undefined;
first = false;
try {
const loaded = await core.channel.media.fetchRemoteMedia(mediaUrl, {
maxBytes: (account.config.mediaMaxMb ?? 20) * 1024 * 1024,
});
const upload = await uploadAttachmentForReply({
account,
spaceId,
buffer: loaded.buffer,
contentType: loaded.contentType,
filename: loaded.filename ?? "attachment",
});
if (!upload.attachmentUploadToken) {
throw new Error("missing attachment upload token");
}
await sendGoogleChatMessage({
account,
space: spaceId,
text: caption,
thread: payload.replyToId,
attachments: [
{ attachmentUploadToken: upload.attachmentUploadToken, contentName: loaded.filename },
],
});
statusSink?.({ lastOutboundAt: Date.now() });
} catch (err) {
runtime.error?.(`Google Chat attachment send failed: ${String(err)}`);
}
}
return;
}
if (payload.text) {
const chunkLimit = account.config.textChunkLimit ?? 4000;
const chunkMode = core.channel.text.resolveChunkMode(
config,
"googlechat",
account.accountId,
);
const chunks = core.channel.text.chunkMarkdownTextWithMode(
payload.text,
chunkLimit,
chunkMode,
);
for (let i = 0; i < chunks.length; i++) {
const chunk = chunks[i];
try {
// Edit typing message with first chunk if available
if (i === 0 && typingMessageName) {
await updateGoogleChatMessage({
account,
messageName: typingMessageName,
text: chunk,
});
} else {
await sendGoogleChatMessage({
account,
space: spaceId,
text: chunk,
thread: payload.replyToId,
});
}
statusSink?.({ lastOutboundAt: Date.now() });
} catch (err) {
runtime.error?.(`Google Chat message send failed: ${String(err)}`);
}
}
}
}
async function uploadAttachmentForReply(params: {
account: ResolvedGoogleChatAccount;
spaceId: string;
buffer: Buffer;
contentType?: string;
filename: string;
}) {
const { account, spaceId, buffer, contentType, filename } = params;
const { uploadGoogleChatAttachment } = await import("./api.js");
return await uploadGoogleChatAttachment({
account,
space: spaceId,
filename,
buffer,
contentType,
});
}
export function monitorGoogleChatProvider(options: GoogleChatMonitorOptions): () => void {
const core = getGoogleChatRuntime();
const webhookPath = resolveWebhookPath(options.webhookPath, options.webhookUrl);
if (!webhookPath) {
options.runtime.error?.(`[${options.account.accountId}] invalid webhook path`);
return () => {};
}
const audienceType = normalizeAudienceType(options.account.config.audienceType);
const audience = options.account.config.audience?.trim();
const mediaMaxMb = options.account.config.mediaMaxMb ?? 20;
const unregister = registerGoogleChatWebhookTarget({
account: options.account,
config: options.config,
runtime: options.runtime,
core,
path: webhookPath,
audienceType,
audience,
statusSink: options.statusSink,
mediaMaxMb,
});
return unregister;
}
export async function startGoogleChatMonitor(params: GoogleChatMonitorOptions): Promise<() => void> {
return monitorGoogleChatProvider(params);
}
export function resolveGoogleChatWebhookPath(params: {
account: ResolvedGoogleChatAccount;
}): string {
return resolveWebhookPath(
params.account.config.webhookPath,
params.account.config.webhookUrl,
) ?? "/googlechat";
}
export function computeGoogleChatMediaMaxMb(params: { account: ResolvedGoogleChatAccount }) {
return params.account.config.mediaMaxMb ?? 20;
}