👀 好きコードに (worker.js)
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1 changed files with 71 additions and 61 deletions
132
worker.js
132
worker.js
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@ -1,13 +1,18 @@
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// @ts-check
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// いじりやすいようにここに変数を集約させたい
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const BLOCKLIST = ["hacker@example.com", "spammer@example.com"];
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const FORWARD_TO = "mymail@example.com";
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const WEBHOOK_URL = "https://discord.com/api/webhooks/xxx/xxx";
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// trendcreate icon
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const WEBHOOK_ICON = "https://git.v-sli.me/HidemaruOwO/email-worker/raw/branch/main/assets/webhook_icon.jpg";
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const WEBHOOK_ICON =
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"https://git.v-sli.me/HidemaruOwO/email-worker/raw/branch/main/assets/webhook_icon.jpg";
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// mail letter icon
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const AUTHOR_ICON = "https://git.v-sli.me/HidemaruOwO/email-worker/raw/branch/main/assets/email_icon.png";
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const AUTHOR_ICON =
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"https://git.v-sli.me/HidemaruOwO/email-worker/raw/branch/main/assets/email_icon.png";
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// cloudflare icon
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const FOOTER_ICON = "https://git.v-sli.me/HidemaruOwO/email-worker/raw/branch/main/assets/cloudflare_icon.ico";
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const FOOTER_ICON =
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"https://git.v-sli.me/HidemaruOwO/email-worker/raw/branch/main/assets/cloudflare_icon.ico";
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export default {
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async email(message, env, ctx) {
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@ -17,63 +22,67 @@ export default {
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}
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try {
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const [text] = await Promise.all([
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getMailText(message),
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message.forward(FORWARD_TO)
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const [result] = await Promise.all([
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notify(message),
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message.forward(FORWARD_TO),
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]);
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const result = await notify(message.headers.get("from"), message.headers.get('subject'), text, message.headers.get("date"));
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if (!result.ok) {
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console.log(await result.text())
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console.log(await result.json())
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console.log(await result.text());
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console.log(await result.json());
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return;
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}
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} catch (err) {
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console.error("処理エラー:", err);
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}
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}
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},
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};
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async function notify(from, subject, text, date) {
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// async function notify(from, subject, text, date) {
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async function notify(message) {
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const from = message.headers.get("from");
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const subject = message.headers.get("subject");
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const date = message.headers.get("date");
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const text = await getMailText(message);
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const payload = {
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username: "contact@trendcreate.net",
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avatar_url: WEBHOOK_ICON,
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content: `**${from}**からお問い合わせメールが届いております。`,
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embeds: [{
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author: {name: from || "名前なし", icon_url: AUTHOR_ICON},
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title: `**${subject || "件名なし"}**`,
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description: text || "本文はありません。",
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timestamp: new Date(date).toISOString(),
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footer: {
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text: 'Powered by Cloudflare Worker and Email Routing',
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icon_url: FOOTER_ICON
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}
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}],
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embeds: [
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{
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author: { name: from || "名前なし", icon_url: AUTHOR_ICON },
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title: `**${subject || "件名なし"}**`,
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description: text || "本文はありません。",
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timestamp: new Date(date).toISOString(),
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footer: {
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text: "Powered by Cloudflare Worker and Email Routing",
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icon_url: FOOTER_ICON,
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},
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},
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],
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};
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// console.log(JSON.stringify(payload))
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try {
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const result = await fetch(WEBHOOK_URL, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(payload)
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});
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return result;
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} catch (err) {
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console.log(err)
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throw new Error(err)
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}
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return;
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try {
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const result = await fetch(WEBHOOK_URL, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(payload),
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});
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return result;
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} catch (err) {
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console.log(err);
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throw new Error(err);
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}
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}
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async function getMailText(message) {
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try {
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const buf = await readStream(message.raw);
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if (buf === "NO_CONTENT") {
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return ""
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return "";
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}
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return parseEmail(buf);
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} catch (err) {
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@ -83,56 +92,56 @@ async function getMailText(message) {
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async function readStream(stream) {
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if (typeof stream === "undefined") {
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return "NO_CONTENT"
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return "NO_CONTENT";
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}
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const chunks = [];
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const reader = stream.getReader();
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while (true) {
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const { done, value } = await reader.read();
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if (done) break;
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chunks.push(value);
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}
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const size = chunks.reduce((sum, chunk) => sum + chunk.length, 0);
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const result = new Uint8Array(size);
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let pos = 0;
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for (const chunk of chunks) {
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result.set(chunk, pos);
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pos += chunk.length;
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}
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return result;
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}
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function parseEmail(buffer) {
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const text = new TextDecoder().decode(buffer);
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const headerEnd = text.indexOf('\r\n\r\n');
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if (headerEnd === -1) return '';
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const headerEnd = text.indexOf("\r\n\r\n");
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if (headerEnd === -1) return "";
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const header = text.substring(0, headerEnd);
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const body = text.substring(headerEnd + 4);
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const boundaryMatch = header.match(/boundary="?([^"\r\n]+)"?/i);
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if (!boundaryMatch) return body.trim();
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const boundary = `--${boundaryMatch[1]}`;
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const parts = body.split(boundary);
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for (const part of parts) {
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if (part.includes('Content-Type: text/plain')) {
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const isBase64 = part.includes('Content-Transfer-Encoding: base64');
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const partBody = part.split('\r\n\r\n')[1]?.trim();
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if (part.includes("Content-Type: text/plain")) {
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const isBase64 = part.includes("Content-Transfer-Encoding: base64");
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const partBody = part.split("\r\n\r\n")[1]?.trim();
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if (!partBody) continue;
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if (isBase64) {
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try {
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const cleanBase64 = partBody.replace(/[\r\n\s]/g, '');
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const cleanBase64 = partBody.replace(/[\r\n\s]/g, "");
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return decodeBase64(cleanBase64);
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} catch {
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continue;
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@ -142,17 +151,18 @@ function parseEmail(buffer) {
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}
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}
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}
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return '';
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return "";
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}
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function decodeBase64(base64) {
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const binary = atob(base64);
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const bytes = new Uint8Array(binary.length);
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for (let i = 0; i < binary.length; i++) {
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bytes[i] = binary.charCodeAt(i);
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}
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return new TextDecoder().decode(bytes);
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}
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}
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