import { Context } from "hono";
import { html, raw } from "hono/html";
import { Env, FeedMetadata, EmailData } from "../types";
import { processEmailContent } from "../utils/html-processor";
export async function handle(c: Context<{ Bindings: Env }>): Promise {
const feedId = c.req.param("feedId");
const receivedAt = parseInt(c.req.param("entryId") ?? "", 10);
if (!feedId || isNaN(receivedAt)) {
return new Response("Not Found", { status: 404 });
}
const emailStorage = c.env.EMAIL_STORAGE;
const feedMetadata = (await emailStorage.get(
`feed:${feedId}:metadata`,
"json",
)) as FeedMetadata | null;
if (!feedMetadata) {
return new Response("Feed not found", { status: 404 });
}
const metaEntry = feedMetadata.emails.find(
(e) => e.receivedAt === receivedAt,
);
if (!metaEntry) {
return new Response("Entry not found", { status: 404 });
}
const emailData = (await emailStorage.get(
metaEntry.key,
"json",
)) as EmailData | null;
if (!emailData) {
return new Response("Entry not found", { status: 404 });
}
c.header(
"Content-Security-Policy",
"default-src 'none'; style-src 'unsafe-inline'; img-src *; frame-src 'none'",
);
return c.html(
html`
${emailData.subject}
${emailData.subject}
- From:
- ${emailData.from}
- Date:
- ${new Date(emailData.receivedAt).toUTCString()}
${raw(processEmailContent(emailData.content))}
`,
);
}