feat: add auto reply (#49)

* feat: add auto reply * feat: add auto reply * feat: update readme * feat: add auto reply
2026-07-06 23:01:34 +08:00 · 2023-12-18 21:41:15 +08:00
parent af78248145
commit 95ae65dc03
14 changed files with 349 additions and 33 deletions
--- a/worker/package.json
+++ b/worker/package.json
@@ -3,6 +3,7 @@
  "version": "0.0.0",
  "private": true,
  "scripts": {
+    "dev": "wrangler dev",
    "deploy": "wrangler deploy",
    "start": "wrangler dev"
  },
@@ -12,6 +13,7 @@
  "dependencies": {
    "hono": "^3.11.7",
    "mailparser": "^3.6.5",
+    "mimetext": "^3.0.16",
    "postal-mime": "^1.1.0"
  },
  "pnpm": {
--- a/worker/pnpm-lock.yaml
+++ b/worker/pnpm-lock.yaml
@@ -16,6 +16,9 @@ dependencies:
  mailparser:
    specifier: ^3.6.5
    version: 3.6.5(patch_hash=ykuld7ytssxm3j6t6ehwmtonk4)
+  mimetext:
+    specifier: ^3.0.16
+    version: 3.0.16
  postal-mime:
    specifier: ^1.1.0
    version: 1.1.0
@@ -27,6 +30,21 @@ devDependencies:

 packages:

+  /@babel/runtime-corejs3@7.23.6:
+    resolution: {integrity: sha512-Djs/ZTAnpyj0nyg7p1J6oiE/tZ9G2stqAFlLGZynrW+F3k2w2jGK2mLOBxzYIOcZYA89+c3d3wXKpYLcpwcU6w==}
+    engines: {node: '>=6.9.0'}
+    dependencies:
+      core-js-pure: 3.34.0
+      regenerator-runtime: 0.14.1
+    dev: false
+
+  /@babel/runtime@7.23.6:
+    resolution: {integrity: sha512-zHd0eUrf5GZoOWVCXp6koAKQTfZV07eit6bGPmJgnZdnSAvvZee6zniW2XMF7Cmc4ISOOnPy3QaSiIJGJkVEDQ==}
+    engines: {node: '>=6.9.0'}
+    dependencies:
+      regenerator-runtime: 0.14.1
+    dev: false
+
  /@cloudflare/kv-asset-handler@0.2.0:
    resolution: {integrity: sha512-MVbXLbTcAotOPUj0pAMhVtJ+3/kFkwJqc5qNOleOZTv6QkZZABDMS21dSrSlVswEHwrpWC03e4fWytjqKvuE2A==}
    dependencies:
@@ -306,6 +324,19 @@ packages:
      selderee: 0.11.0
    dev: false

+  /@tsconfig/esm@1.0.5:
+    resolution: {integrity: sha512-JzoZ0h299JRLPfV5VBsMq1TuMy+OmU9bdV/7NcjfRojL0eIcA1k5ESrtjWrDwJRJnk9B0QmgR0rq04LERbdfWw==}
+    deprecated: this package has been deprecated
+    dev: false
+
+  /@tsconfig/node18@2.0.1:
+    resolution: {integrity: sha512-UqdfvuJK0SArA2CxhKWwwAWfnVSXiYe63bVpMutc27vpngCntGUZQETO24pEJ46zU6XM+7SpqYoMgcO3bM11Ew==}
+    dev: false
+
+  /@tsconfig/strictest@2.0.2:
+    resolution: {integrity: sha512-jt4jIsWKvUvuY6adJnQJlb/UR7DdjC8CjHI/OaSQruj2yX9/K6+KOvDt/vD6udqos/FUk5Op66CvYT7TBLYO5Q==}
+    dev: false
+
  /@types/node-forge@1.3.10:
    resolution: {integrity: sha512-y6PJDYN4xYBxwd22l+OVH35N+1fCYWiuC3aiP2SlXVE6Lo7SS+rSx9r89hLxrP4pn6n1lBGhHJ12pj3F3Mpttw==}
    dependencies:
@@ -316,7 +347,6 @@ packages:
    resolution: {integrity: sha512-D08YG6rr8X90YB56tSIuBaddy/UXAA9RKJoFvrsnogAum/0pmjkgi4+2nx96A330FmioegBWmEYQ+syqCFaveg==}
    dependencies:
      undici-types: 5.26.5
-    dev: true

  /acorn-walk@8.3.1:
    resolution: {integrity: sha512-TgUZgYvqZprrl7YldZNoa9OciCAyZR+Ejm9eXzKCmjsF5IKp/wgQ7Z/ZpjpGTIUPwrHQIcYeI8qDh4PsEwxMbw==}
@@ -392,6 +422,11 @@ packages:
    engines: {node: '>= 0.6'}
    dev: true

+  /core-js-pure@3.34.0:
+    resolution: {integrity: sha512-pmhivkYXkymswFfbXsANmBAewXx86UBfmagP+w0wkK06kLsLlTK5oQmsURPivzMkIBQiYq2cjamcZExIwlFQIg==}
+    requiresBuild: true
+    dev: false
+
  /data-uri-to-buffer@2.0.2:
    resolution: {integrity: sha512-ND9qDTLc6diwj+Xe5cdAgVTbLVdXbtxTJRXRhli8Mowuaan+0EJOtdqJ0QCHNSSPyoXGx9HX2/VMnKeC34AChA==}
    dev: true
@@ -588,6 +623,10 @@ packages:
    engines: {node: '>=0.12.0'}
    dev: true

+  /js-base64@3.7.5:
+    resolution: {integrity: sha512-3MEt5DTINKqfScXKfJFrRbxkrnk2AxPWGBL/ycjz4dK8iqiSJ06UxD8jh8xuh6p10TX4t2+7FsBYVxxQbMg+qA==}
+    dev: false
+
  /leac@0.6.0:
    resolution: {integrity: sha512-y+SqErxb8h7nE/fiEX07jsbuhrpO9lL8eca7/Y1nuWV2moNlXhyd59iDGcRf6moVyDMbmTNzL40SUyrFU/yDpg==}
    dev: false
@@ -653,12 +692,37 @@ packages:
      libqp: 2.0.1
    dev: false

+  /mime-db@1.52.0:
+    resolution: {integrity: sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==}
+    engines: {node: '>= 0.6'}
+    dev: false
+
+  /mime-types@2.1.35:
+    resolution: {integrity: sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==}
+    engines: {node: '>= 0.6'}
+    dependencies:
+      mime-db: 1.52.0
+    dev: false
+
  /mime@3.0.0:
    resolution: {integrity: sha512-jSCU7/VB1loIWBZe14aEYHU/+1UMEHoaO7qxCOVJOw9GgH72VAWppxNcjU+x9a2k3GSIBXNKxXQFqRvvZ7vr3A==}
    engines: {node: '>=10.0.0'}
    hasBin: true
    dev: true

+  /mimetext@3.0.16:
+    resolution: {integrity: sha512-uqtsQ2eNEpqoLUBSGSF6Y9eSbbNNeiknv7M6k5nzcs7M0uWtSjqWINYe6ZY/CowxnVDtNFSX+k9K6IicPboNBg==}
+    dependencies:
+      '@babel/runtime': 7.23.6
+      '@babel/runtime-corejs3': 7.23.6
+      '@tsconfig/esm': 1.0.5
+      '@tsconfig/node18': 2.0.1
+      '@tsconfig/strictest': 2.0.2
+      '@types/node': 20.10.4
+      js-base64: 3.7.5
+      mime-types: 2.1.35
+    dev: false
+
  /miniflare@3.20231030.4:
    resolution: {integrity: sha512-7MBz0ArLuDop1WJGZC6tFgN6c5MRyDOIlxbm3yp0TRBpvDS/KsTuWCQcCjsxN4QQ5zvL3JTkuIZbQzRRw/j6ow==}
    engines: {node: '>=16.13'}
@@ -747,6 +811,10 @@ packages:
      picomatch: 2.3.1
    dev: true

+  /regenerator-runtime@0.14.1:
+    resolution: {integrity: sha512-dYnhHh0nJoMfnkZs6GmmhFknAGRrLznOu5nc9ML+EJxGvrx6H7teuevqVqCuPcPK//3eDrrjQhehXVx9cnkGdw==}
+    dev: false
+
  /resolve.exports@2.0.2:
    resolution: {integrity: sha512-X2UW6Nw3n/aMgDVy+0rSqgHlv39WZAlZrXCdnbyEiKm17DSqHX4MmQMaST3FbeWR5FTuRcUwYAziZajji0Y7mg==}
    engines: {node: '>=10'}
@@ -842,7 +910,6 @@ packages:

  /undici-types@5.26.5:
    resolution: {integrity: sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==}
-    dev: true

  /undici@5.28.2:
    resolution: {integrity: sha512-wh1pHJHnUeQV5Xa8/kyQhO7WFa8M34l026L5P/+2TYiakvGy5Rdc8jWZVyG7ieht/0WgJLEd3kcU5gKx+6GC8w==}
--- a/worker/src/email.js
+++ b/worker/src/email.js
@@ -1,3 +1,6 @@
+import { createMimeMessage } from "mimetext";
+import { EmailMessage } from "cloudflare:email";
+
 const PostalMime = require("postal-mime");
 const simpleParser = require('mailparser').simpleParser;
 global.setImmediate = (callback) => callback();
@@ -44,6 +47,34 @@ async function email(message, env, ctx) {
            message.setReject(`Failed save message to ${message.to}`);
            console.log(`Failed save message from ${message.from} to ${message.to}`);
        }
+        try {
+            const results = await env.DB.prepare(
+                `SELECT * FROM auto_reply_mails where address = ? and enabled = 1`
+            ).bind(message.to).first();
+            if (results && results.source_prefix && message.from.startsWith(results.source_prefix)) {
+                const msg = createMimeMessage();
+                msg.setHeader("In-Reply-To", message.headers.get("Message-ID"));
+                msg.setSender({
+                    name: results.name || results.address,
+                    addr: results.address
+                });
+                msg.setRecipient(message.from);
+                msg.setSubject(results.subject || "Auto-reply");
+                msg.addMessage({
+                    contentType: 'text/plain',
+                    data: results.message || "This is an auto-reply message, please reconact later."
+                });
+
+                const replyMessage = new EmailMessage(
+                    message.to,
+                    message.from,
+                    msg.asRaw()
+                );
+                await message.reply(replyMessage);
+            }
+        } catch (error) {
+            console.log("reply email error", error);
+        }
    } else {
        message.setReject(`Unknown address ${message.to}`);
        console.log(`Unknown address ${message.to}`);
--- a/worker/src/router.js
+++ b/worker/src/router.js
@@ -32,14 +32,59 @@ api.get('/api/mails', async (c) => {
 })

 api.get('/api/settings', async (c) => {
-    return c.json(c.get("jwtPayload"));
+    const { address } = c.get("jwtPayload")
+    const results = await c.env.DB.prepare(
+        `SELECT * FROM auto_reply_mails where address = ?`
+    ).bind(address).first();
+    if (!results) {
+        return c.json({
+            auto_reply: {},
+            address: address
+        });
+    }
+    return c.json({
+        auto_reply: {
+            subject: results.subject,
+            message: results.message,
+            enabled: results.enabled == 1,
+            source_prefix: results.source_prefix,
+            name: results.name,
+        },
+        address: address
+    });
+})
+
+
+api.post('/api/settings', async (c) => {
+    const { address } = c.get("jwtPayload")
+    const { auto_reply } = await c.req.json();
+    const { name, subject, source_prefix, message, enabled } = auto_reply;
+    if ((!subject || !message) && enabled) {
+        return c.text("Invalid subject or message", 400)
+    }
+    else if (subject.length > 255 || message.length > 255) {
+        return c.text("Subject or message too long", 400)
+    }
+    const { success } = await c.env.DB.prepare(
+        `INSERT OR REPLACE INTO
+        auto_reply_mails
+        (name, address, source_prefix, subject, message, enabled)
+        VALUES
+        (?, ?, ?, ?, ?, ?)`
+    ).bind(name || '', address, source_prefix || '', subject || '', message || '', enabled ? 1 : 0).run();
+    if (!success) {
+        return c.text("Failed to save settings", 500)
+    }
+    return c.json({
+        success: success
+    })
 })

 api.get('/open_api/settings', async (c) => {
    // check header x-custom-auth
    let needAuth = false;
    if (c.env.PASSWORDS && c.env.PASSWORDS.length > 0) {
-        const auth = c.req.headers.get("x-custom-auth");
+        const auth = c.req.raw.headers.get("x-custom-auth");
        needAuth = !c.env.PASSWORDS.includes(auth);
    }
    return c.json({
@@ -63,7 +108,7 @@ api.get('/api/new_address', async (c) => {
    const emailAddress = c.env.PREFIX + name + "@" + domain
    try {
        const { success } = await c.env.DB.prepare(
-            `INSERT INTO address (name) VALUES (?)`
+            `INSERT INTO address(name) VALUES(?)`
        ).bind(name + "@" + domain).run();
        if (!success) {
            return c.text("Failed to create address", 500)
@@ -92,7 +137,7 @@ api.get('/admin/address', async (c) => {
        return c.text("Invalid offset", 400)
    }
    const { results } = await c.env.DB.prepare(
-        `SELECT * FROM address order by id desc limit ? offset ?`
+        `SELECT * FROM address order by id desc limit ? offset ? `
    ).bind(limit, offset).all();
    let count = 0;
    if (offset == 0) {
@@ -113,7 +158,7 @@ api.get('/admin/address', async (c) => {
 api.delete('/admin/delete_address/:id', async (c) => {
    const { id } = c.req.param();
    const { success } = await c.env.DB.prepare(
-        `DELETE FROM address WHERE id = ?`
+        `DELETE FROM address WHERE id = ? `
    ).bind(id).run();
    if (!success) {
        return c.text("Failed to delete address", 500)
@@ -126,7 +171,7 @@ api.delete('/admin/delete_address/:id', async (c) => {
 api.get('/admin/show_password/:id', async (c) => {
    const { id } = c.req.param();
    const name = await c.env.DB.prepare(
-        `SELECT name FROM address WHERE id = ?`
+        `SELECT name FROM address WHERE id = ? `
    ).bind(id).first("name");
    // compute address
    const emailAddress = c.env.PREFIX + name
@@ -148,12 +193,12 @@ api.get('/admin/mails', async (c) => {
        return c.text("Invalid offset", 400)
    }
    const { results } = await c.env.DB.prepare(
-        `SELECT id, source, subject, message FROM mails where address = ? order by id desc limit ? offset ?`
+        `SELECT id, source, subject, message FROM mails where address = ? order by id desc limit ? offset ? `
    ).bind(address, limit, offset).all();
    let count = 0;
    if (offset == 0) {
        const { count: mailCount } = await c.env.DB.prepare(
-            `SELECT count(*) as count FROM mails where address = ?`
+            `SELECT count(*) as count FROM mails where address = ? `
        ).bind(address).first();
        count = mailCount;
    }
@@ -173,7 +218,7 @@ api.get('/admin/mails_unknow', async (c) => {
    }
    const { results } = await c.env.DB.prepare(`
        SELECT id, source, subject, message FROM mails
-        where address NOT IN (select concat('${c.env.PREFIX}', name) from address)
+        where address NOT IN(select concat('${c.env.PREFIX}', name) from address)
        order by id desc limit ? offset ? `
    ).bind(limit, offset).all();
    let count = 0;
@@ -181,7 +226,7 @@ api.get('/admin/mails_unknow', async (c) => {
        const { count: mailCount } = await c.env.DB.prepare(`
            SELECT count(*) as count FROM mails
            where address NOT IN
-            (select concat('${c.env.PREFIX}', name) from address)`
+        (select concat('${c.env.PREFIX}', name) from address)`
        ).first();
        count = mailCount;
    }
--- a/worker/src/worker.js
+++ b/worker/src/worker.js
@@ -10,7 +10,7 @@ app.use('/*', cors());
 app.use('/api/*', async (c, next) => {
 	// check header x-custom-auth
 	if (c.env.PASSWORDS && c.env.PASSWORDS.length > 0) {
-		const auth = c.req.headers.get("x-custom-auth");
+		const auth = c.req.raw.headers.get("x-custom-auth");
 		if (!auth || !c.env.PASSWORDS.includes(auth)) {
 			return c.text("Need Password", 401)
 		}
@@ -25,7 +25,7 @@ app.use('/api/*', async (c, next) => {
 app.use('/admin/*', async (c, next) => {
 	// check header x-admin-auth
 	if (c.env.ADMIN_PASSWORDS && c.env.ADMIN_PASSWORDS.length > 0) {
-		const adminAuth = c.req.headers.get("x-admin-auth");
+		const adminAuth = c.req.raw.headers.get("x-admin-auth");
 		if (adminAuth && c.env.ADMIN_PASSWORDS.includes(adminAuth)) {
 			await next();
 			return;