Jakob Wennberg
84 lines
2.5 KiB
TypeScript
84 lines
2.5 KiB
TypeScript
/**
|
|
* Email Handler - Parse Resend inbound webhook payloads
|
|
*
|
|
* SERVER-ONLY: Uses service role client for cross-user lookups.
|
|
*/
|
|
|
|
import 'server-only'
|
|
import type { ResendInboundPayload, ResendAttachment } from '../types'
|
|
|
|
const SUPPORTED_MIME_TYPES = [
|
|
'application/pdf',
|
|
'image/jpeg',
|
|
'image/png',
|
|
'image/webp',
|
|
]
|
|
|
|
/**
|
|
* Parse and validate a Resend inbound webhook payload
|
|
*/
|
|
export function parseInboundPayload(body: unknown): ResendInboundPayload | null {
|
|
if (!body || typeof body !== 'object') return null
|
|
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
|
const data = body as any
|
|
|
|
if (!data.from || !data.to) return null
|
|
|
|
return {
|
|
from: String(data.from),
|
|
to: String(data.to),
|
|
subject: data.subject ? String(data.subject) : '',
|
|
html: data.html || null,
|
|
text: data.text || null,
|
|
attachments: Array.isArray(data.attachments) ? data.attachments : [],
|
|
created_at: data.created_at || new Date().toISOString(),
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Extract supported file attachments from the payload.
|
|
* Returns only PDF and image attachments.
|
|
*/
|
|
export function extractAttachments(payload: ResendInboundPayload): ResendAttachment[] {
|
|
return payload.attachments.filter(
|
|
(att) => att.content_type && SUPPORTED_MIME_TYPES.includes(att.content_type) && att.content
|
|
)
|
|
}
|
|
|
|
/**
|
|
* Resolve user_id from the recipient email address.
|
|
* Looks up the extension_data table where users store their inbox email setting.
|
|
*
|
|
* Uses a service role client (passed as parameter) since webhook requests
|
|
* don't have user authentication.
|
|
*/
|
|
export async function resolveUserFromEmail(
|
|
recipientEmail: string,
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
|
serviceClient: any
|
|
): Promise<string | null> {
|
|
// Extract the local part (before @) to handle address variants
|
|
const normalizedEmail = recipientEmail.toLowerCase().trim()
|
|
|
|
// Look up in extension_data where invoice-inbox settings store the inbox email
|
|
const { data, error } = await serviceClient
|
|
.from('extension_data')
|
|
.select('user_id, value')
|
|
.eq('extension_id', 'invoice-inbox')
|
|
.eq('key', 'settings')
|
|
|
|
if (error || !data) return null
|
|
|
|
// Find the user whose inboxEmail matches the recipient
|
|
for (const row of data) {
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
|
const settings = row.value as any
|
|
if (settings?.inboxEmail && settings.inboxEmail.toLowerCase().trim() === normalizedEmail) {
|
|
return row.user_id
|
|
}
|
|
}
|
|
|
|
return null
|
|
}
|