feat: Add attachment support for Signal and WhatsApp channels

- Signal: Use base64Attachments field in signal-cli-rest-api
- WhatsApp: Implement Baileys attachment sending for images, videos, audio, and documents
- Both channels retrieve attachments from Zammad Store model
- Support multiple attachments per message
This commit is contained in:
Darren Clarke 2025-08-21 10:58:33 +02:00
parent 9139c8e8de
commit d2a3c71bcd
8 changed files with 255 additions and 85 deletions

View file

@ -3,7 +3,7 @@ import { createLogger } from "@link-stack/logger";
import * as signalApi from "@link-stack/signal-api";
const { Configuration, MessagesApi, GroupsApi } = signalApi;
const logger = createLogger('bridge-worker-send-signal-message');
const logger = createLogger("bridge-worker-send-signal-message");
interface SendSignalMessageTaskOptions {
token: string;
@ -13,6 +13,11 @@ interface SendSignalMessageTaskOptions {
quoteMessage?: string; // Optional: message text to quote
quoteAuthor?: string; // Optional: author of quoted message (phone number)
quoteTimestamp?: number; // Optional: timestamp of quoted message in milliseconds
attachments?: Array<{
data: string; // base64
filename: string;
mime_type: string;
}>;
}
const sendSignalMessageTask = async ({
@ -23,13 +28,17 @@ const sendSignalMessageTask = async ({
quoteMessage,
quoteAuthor,
quoteTimestamp,
attachments,
}: SendSignalMessageTaskOptions): Promise<void> => {
logger.debug({
token,
to,
conversationId,
messageLength: message?.length,
}, 'Processing outgoing message');
logger.debug(
{
token,
to,
conversationId,
messageLength: message?.length,
},
"Processing outgoing message",
);
const bot = await db
.selectFrom("SignalBot")
.selectAll()
@ -58,12 +67,16 @@ const sendSignalMessageTask = async ({
const isGroupId = isUUID || isGroupPrefix || isBase64;
const enableAutoGroups = process.env.BRIDGE_SIGNAL_AUTO_GROUPS === "true";
logger.debug({
to,
isGroupId,
enableAutoGroups,
shouldCreateGroup: enableAutoGroups && !isGroupId && to && conversationId,
}, 'Recipient analysis');
logger.debug(
{
to,
isGroupId,
enableAutoGroups,
shouldCreateGroup:
enableAutoGroups && !isGroupId && to && conversationId,
},
"Recipient analysis",
);
// If sending to a phone number and auto-groups is enabled, create a group first
if (enableAutoGroups && !isGroupId && to && conversationId) {
@ -93,7 +106,7 @@ const sendSignalMessageTask = async ({
const createdGroup = groups.find((g) => g.id === finalTo);
if (createdGroup && createdGroup.internalId) {
internalId = createdGroup.internalId;
logger.debug({ internalId }, 'Got actual internalId');
logger.debug({ internalId }, "Got actual internalId");
} else {
// Fallback: extract base64 part from ID
if (finalTo.startsWith("group.")) {
@ -101,20 +114,23 @@ const sendSignalMessageTask = async ({
}
}
} catch (fetchError) {
logger.debug('Could not fetch group details, using ID base64 part');
logger.debug("Could not fetch group details, using ID base64 part");
// Fallback: extract base64 part from ID
if (finalTo.startsWith("group.")) {
internalId = finalTo.substring(6);
}
}
logger.debug({
groupId: finalTo,
internalId,
groupName,
conversationId,
originalRecipient: to,
botNumber: bot.phoneNumber,
}, 'Created new Signal group');
logger.debug(
{
groupId: finalTo,
internalId,
groupName,
conversationId,
originalRecipient: to,
botNumber: bot.phoneNumber,
},
"Created new Signal group",
);
// Notify Zammad about the new group ID via webhook
await worker.addJob("common/notify-webhooks", {
@ -130,23 +146,30 @@ const sendSignalMessageTask = async ({
});
}
} catch (groupError) {
logger.error({
error: groupError instanceof Error ? groupError.message : groupError,
to,
conversationId,
}, 'Error creating Signal group');
logger.error(
{
error:
groupError instanceof Error ? groupError.message : groupError,
to,
conversationId,
},
"Error creating Signal group",
);
// Continue with original recipient if group creation fails
}
}
logger.debug({
fromNumber: number,
toRecipient: finalTo,
originalTo: to,
recipientChanged: to !== finalTo,
groupCreated,
isGroupRecipient: finalTo.startsWith("group."),
}, 'Sending message via API');
logger.debug(
{
fromNumber: number,
toRecipient: finalTo,
originalTo: to,
recipientChanged: to !== finalTo,
groupCreated,
isGroupRecipient: finalTo.startsWith("group."),
},
"Sending message via API",
);
// Build the message data with optional quote parameters
const messageData: signalApi.ApiSendMessageV2 = {
@ -155,12 +178,15 @@ const sendSignalMessageTask = async ({
message,
};
logger.debug({
number,
recipients: [finalTo],
message: message.substring(0, 50) + "...",
hasQuoteParams: !!(quoteMessage && quoteAuthor && quoteTimestamp),
}, 'Message data being sent');
logger.debug(
{
number,
recipients: [finalTo],
message: message.substring(0, 50) + "...",
hasQuoteParams: !!(quoteMessage && quoteAuthor && quoteTimestamp),
},
"Message data being sent",
);
// Add quote parameters if all are provided
if (quoteMessage && quoteAuthor && quoteTimestamp) {
@ -168,43 +194,64 @@ const sendSignalMessageTask = async ({
messageData.quoteAuthor = quoteAuthor;
messageData.quoteMessage = quoteMessage;
logger.debug({
quoteAuthor,
quoteMessage: quoteMessage.substring(0, 50) + "...",
quoteTimestamp,
}, 'Including quote in message');
logger.debug(
{
quoteAuthor,
quoteMessage: quoteMessage.substring(0, 50) + "...",
quoteTimestamp,
},
"Including quote in message",
);
}
// Add attachments if provided
if (attachments && attachments.length > 0) {
messageData.base64Attachments = attachments.map((att) => att.data);
logger.debug(
{
attachmentCount: attachments.length,
attachmentNames: attachments.map((att) => att.filename),
},
"Including attachments in message",
);
}
const response = await messagesClient.v2SendPost({
data: messageData,
});
logger.debug({
to: finalTo,
groupCreated,
response: response?.timestamp || "no timestamp",
}, 'Message sent successfully');
logger.debug(
{
to: finalTo,
groupCreated,
response: response?.timestamp || "no timestamp",
},
"Message sent successfully",
);
} catch (error: any) {
// Try to get the actual error message from the response
if (error.response) {
try {
const errorBody = await error.response.text();
logger.error({
status: error.response.status,
statusText: error.response.statusText,
body: errorBody,
sentTo: finalTo,
messageDetails: {
fromNumber: number,
toRecipients: [finalTo],
hasQuote: !!quoteMessage,
logger.error(
{
status: error.response.status,
statusText: error.response.statusText,
body: errorBody,
sentTo: finalTo,
messageDetails: {
fromNumber: number,
toRecipients: [finalTo],
hasQuote: !!quoteMessage,
},
},
}, 'Signal API error');
"Signal API error",
);
} catch (e) {
logger.error('Could not parse error response');
logger.error("Could not parse error response");
}
}
logger.error({ error }, 'Full error details');
logger.error({ error }, "Full error details");
throw error;
}
};