feat: add AI email extraction with Cloudflare Workers AI

Add AI-powered email content extraction feature using Cloudflare Workers AI to automatically identify and extract important information from emails including verification codes, authentication links, service links, and subscription links.

Features:
- AI extraction with priority-based logic (auth_code > auth_link > service_link > subscription_link > other_link)
- Admin allowlist configuration with wildcard support (*@example.com)
- Frontend display in both email list (compact) and detail view (full mode)
- Bilingual documentation (Chinese/English)
- Database migration: add metadata field to raw_mails (v0.0.3 -> v0.0.4)

Technical highlights:
- Proper regex escaping for wildcard pattern matching
- Content truncation to avoid AI token limits
- Error handling that won't affect email receiving
- JSON schema validation for AI responses
- Type-safe TypeScript implementation
- Vue I18n support with special character escaping

References:
- Inspired by Alle Project: https://github.com/bestruirui/Alle
- Uses Cloudflare Workers AI JSON Mode

🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Dream Hunter
2025-12-06 16:28:19 +08:00
committed by GitHub
parent a2a9f9e25f
commit dbb55d948f
27 changed files with 2473 additions and 1637 deletions

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@@ -0,0 +1,4 @@
-- Add metadata column to raw_mails table for storing AI extraction results and other metadata
-- This column stores JSON data with flexible schema for various analysis results
ALTER TABLE raw_mails ADD COLUMN metadata TEXT;

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@@ -4,6 +4,7 @@ CREATE TABLE IF NOT EXISTS raw_mails (
source TEXT,
address TEXT,
raw TEXT,
metadata TEXT,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);

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@@ -29,12 +29,12 @@
"axios": "^1.13.2",
"jszip": "^3.10.1",
"mail-parser-wasm": "^0.2.1",
"naive-ui": "^2.43.1",
"postal-mime": "^2.6.0",
"naive-ui": "^2.43.2",
"postal-mime": "^2.6.1",
"vooks": "^0.2.12",
"vue": "^3.5.24",
"vue": "^3.5.25",
"vue-clipboard3": "^2.0.0",
"vue-i18n": "^11.1.12",
"vue-i18n": "^11.2.2",
"vue-router": "^4.6.3"
},
"devDependencies": {
@@ -44,12 +44,12 @@
"unplugin-auto-import": "^19.3.0",
"unplugin-vue-components": "^28.8.0",
"vite": "^6.4.1",
"vite-plugin-pwa": "^1.1.0",
"vite-plugin-pwa": "^1.2.0",
"vite-plugin-top-level-await": "^1.6.0",
"vite-plugin-wasm": "^3.5.0",
"workbox-build": "^7.3.0",
"workbox-window": "^7.3.0",
"wrangler": "^4.47.0"
"workbox-build": "^7.4.0",
"workbox-window": "^7.4.0",
"wrangler": "^4.53.0"
},
"packageManager": "pnpm@10.10.0+sha512.d615db246fe70f25dcfea6d8d73dee782ce23e2245e3c4f6f888249fb568149318637dca73c2c5c8ef2a4ca0d5657fb9567188bfab47f566d1ee6ce987815c39"
}

1456
frontend/pnpm-lock.yaml generated

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@@ -0,0 +1,145 @@
<script setup>
import { computed } from 'vue';
import { useI18n } from 'vue-i18n';
import { ContentCopyOutlined, LinkRound, CodeRound } from '@vicons/material';
import { useMessage } from 'naive-ui';
const message = useMessage();
const { t } = useI18n({
messages: {
en: {
authCode: 'Verification Code',
authLink: 'Authentication Link',
serviceLink: 'Service Link',
subscriptionLink: 'Subscription Link',
otherLink: 'Other Link',
copySuccess: 'Copied successfully',
copyFailed: 'Copy failed',
open: 'Open',
},
zh: {
authCode: '验证码',
authLink: '认证链接',
serviceLink: '服务链接',
subscriptionLink: '订阅链接',
otherLink: '其他链接',
copySuccess: '复制成功',
copyFailed: '复制失败',
open: '打开',
}
}
});
const props = defineProps({
metadata: {
type: String,
default: null
},
compact: {
type: Boolean,
default: false
}
});
const aiExtract = computed(() => {
if (!props.metadata) return null;
try {
const data = JSON.parse(props.metadata);
return data.ai_extract || null;
} catch (e) {
return null;
}
});
const typeLabel = computed(() => {
if (!aiExtract.value) return '';
const typeMap = {
auth_code: t('authCode'),
auth_link: t('authLink'),
service_link: t('serviceLink'),
subscription_link: t('subscriptionLink'),
other_link: t('otherLink'),
};
return typeMap[aiExtract.value.type] || '';
});
const typeIcon = computed(() => {
if (!aiExtract.value) return null;
const iconMap = {
auth_code: CodeRound,
auth_link: LinkRound,
service_link: LinkRound,
subscription_link: LinkRound,
other_link: LinkRound,
};
return iconMap[aiExtract.value.type] || null;
});
const isLink = computed(() => {
return aiExtract.value && aiExtract.value.type !== 'auth_code';
});
const displayText = computed(() => {
if (!aiExtract.value) return '';
return aiExtract.value.result_text || aiExtract.value.result;
});
const copyToClipboard = async () => {
try {
await navigator.clipboard.writeText(aiExtract.value.result);
message.success(t('copySuccess'));
} catch (e) {
message.error(t('copyFailed'));
}
};
const openLink = () => {
if (isLink.value && aiExtract.value.result) {
window.open(aiExtract.value.result, '_blank');
}
};
</script>
<template>
<div v-if="aiExtract && aiExtract.result" class="ai-extract-info">
<n-alert v-if="!compact" type="success" closable>
<template #icon>
<n-icon :component="typeIcon" />
</template>
<template #header>
{{ typeLabel }}
</template>
<n-space align="center">
<n-text v-if="aiExtract.type === 'auth_code'" strong style="font-size: 18px; font-family: monospace;">
{{ aiExtract.result }}
</n-text>
<n-ellipsis v-else style="max-width: 400px;">
{{ displayText }}
</n-ellipsis>
<n-button size="small" @click="copyToClipboard" tertiary>
<template #icon>
<n-icon :component="ContentCopyOutlined" />
</template>
</n-button>
<n-button v-if="isLink" size="small" @click="openLink" tertiary type="primary">
{{ t('open') }}
</n-button>
</n-space>
</n-alert>
<n-tag v-else type="success" @click="copyToClipboard" style="cursor: pointer;" size="small">
<template #icon>
<n-icon :component="typeIcon" />
</template>
<n-ellipsis style="max-width: 150px;">
{{ typeLabel }}: {{ displayText }}
</n-ellipsis>
</n-tag>
</div>
</template>
<style scoped>
.ai-extract-info {
margin-bottom: 10px;
}
</style>

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@@ -8,6 +8,7 @@ import { useIsMobile } from '../utils/composables'
import { processItem } from '../utils/email-parser'
import { utcToLocalDate } from '../utils';
import MailContentRenderer from "./MailContentRenderer.vue";
import AiExtractInfo from "./AiExtractInfo.vue";
const message = useMessage()
const isMobile = useIsMobile()
@@ -439,6 +440,7 @@ onBeforeUnmount(() => {
TO: {{ row.address }}
</n-ellipsis>
</n-tag>
<AiExtractInfo :metadata="row.metadata" compact />
</template>
</n-thing>
</n-list-item>
@@ -513,6 +515,7 @@ onBeforeUnmount(() => {
<n-tag v-if="showEMailTo" type="info">
TO: {{ row.address }}
</n-tag>
<AiExtractInfo :metadata="row.metadata" compact />
</template>
</n-thing>
</n-list-item>

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@@ -3,6 +3,7 @@ import { ref } from "vue";
import { useI18n } from 'vue-i18n'
import { CloudDownloadRound, ReplyFilled, ForwardFilled, FullscreenRound } from '@vicons/material'
import ShadowHtmlComponent from "./ShadowHtmlComponent.vue";
import AiExtractInfo from "./AiExtractInfo.vue";
import { getDownloadEmlUrl } from '../utils/email-parser';
import { utcToLocalDate } from '../utils';
import { useGlobalState } from '../store';
@@ -179,6 +180,9 @@ const handleSaveToS3 = async (filename, blob) => {
</n-button>
</n-space>
<!-- AI 提取信息 -->
<AiExtractInfo :metadata="mail.metadata" />
<!-- 邮件内容 -->
<div class="mail-content">
<pre v-if="showTextMail" class="mail-text">{{ mail.text }}</pre>

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@@ -26,6 +26,7 @@ import Webhook from './admin/Webhook.vue';
import MailWebhook from './admin/MailWebhook.vue';
import WorkerConfig from './admin/WorkerConfig.vue';
import IpBlacklistSettings from './admin/IpBlacklistSettings.vue';
import AiExtractSettings from './admin/AiExtractSettings.vue';
const {
adminAuth, showAdminAuth, adminTab, loading,
@@ -74,6 +75,7 @@ const { t } = useI18n({
database: 'Database',
workerconfig: 'Worker Config',
ipBlacklistSettings: 'IP Blacklist',
aiExtractSettings: 'AI Extract Settings',
appearance: 'Appearance',
about: 'About',
ok: 'OK',
@@ -103,6 +105,7 @@ const { t } = useI18n({
database: '数据库',
workerconfig: 'Worker 配置',
ipBlacklistSettings: 'IP 黑名单',
aiExtractSettings: 'AI 提取设置',
appearance: '外观',
about: '关于',
ok: '确定',
@@ -166,6 +169,9 @@ onMounted(async () => {
<n-tab-pane name="ipBlacklistSettings" :tab="t('ipBlacklistSettings')">
<IpBlacklistSettings />
</n-tab-pane>
<n-tab-pane name="aiExtractSettings" :tab="t('aiExtractSettings')">
<AiExtractSettings />
</n-tab-pane>
<n-tab-pane name="webhook" :tab="t('webhookSettings')">
<Webhook />
</n-tab-pane>

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@@ -0,0 +1,125 @@
<script setup lang="ts">
import { onMounted, ref } from 'vue'
import { useI18n } from 'vue-i18n'
import { useMessage } from 'naive-ui'
// @ts-ignore
import { api } from '../../api'
const message = useMessage()
const { t } = useI18n({
messages: {
en: {
title: 'AI Email Extraction Settings',
successTip: 'Success',
save: 'Save',
enableAllowList: 'Enable Address Allowlist',
enableAllowListTip: 'When enabled, AI extraction will only process emails sent to addresses in the allowlist',
allowList: 'Address Allowlist (Enter address and press Enter, wildcards supported)',
allowListTip: "Wildcard * matches any characters, e.g. *{'@'}example.com matches all addresses under example.com domain",
manualInputPrompt: 'Type and press Enter to add',
disabledTip: 'When disabled, AI extraction will process all email addresses',
},
zh: {
title: 'AI 邮件提取设置',
successTip: '成功',
save: '保存',
enableAllowList: '启用地址白名单',
enableAllowListTip: '启用后AI 提取功能仅对白名单中的邮箱地址生效',
allowList: '地址白名单 (请输入地址并回车,支持通配符)',
allowListTip: "通配符 * 可匹配任意字符,如 *{'@'}example.com 可匹配 example.com 域名下的所有地址",
manualInputPrompt: '输入后按回车键添加',
disabledTip: '未启用时,所有邮箱地址都可使用 AI 提取功能',
}
}
});
type AiExtractSettings = {
enableAllowList: boolean
allowList: string[]
}
const settings = ref<AiExtractSettings>({
enableAllowList: false,
allowList: []
})
const fetchData = async () => {
try {
const res = await api.fetch(`/admin/ai_extract/settings`) as AiExtractSettings
Object.assign(settings.value, res)
} catch (error) {
message.error((error as Error).message || "error");
}
}
const saveSettings = async () => {
try {
await api.fetch(`/admin/ai_extract/settings`, {
method: 'POST',
body: JSON.stringify(settings.value),
})
message.success(t('successTip'))
} catch (error) {
message.error((error as Error).message || "error");
}
}
onMounted(async () => {
await fetchData();
})
</script>
<template>
<div class="center">
<n-card :title="t('title')" :bordered="false" embedded style="max-width: 800px; overflow: auto;">
<n-flex justify="end">
<n-button @click="saveSettings" type="primary">
{{ t('save') }}
</n-button>
</n-flex>
<n-form-item-row :label="t('enableAllowList')">
<n-switch v-model:value="settings.enableAllowList" :round="false" />
</n-form-item-row>
<n-alert v-if="!settings.enableAllowList" type="info" style="margin-bottom: 16px;">
{{ t('disabledTip') }}
</n-alert>
<div v-if="settings.enableAllowList">
<n-alert type="warning" style="margin-bottom: 16px;">
{{ t('enableAllowListTip') }}
</n-alert>
<n-form-item-row :label="t('allowList')">
<n-select v-model:value="settings.allowList" filterable multiple tag
:placeholder="t('allowListTip')">
<template #empty>
<n-text depth="3">
{{ t('manualInputPrompt') }}
</n-text>
</template>
</n-select>
</n-form-item-row>
<n-text depth="3" style="font-size: 12px;">
{{ t('allowListTip') }}
</n-text>
</div>
</n-card>
</div>
</template>
<style scoped>
.center {
display: flex;
text-align: left;
place-items: center;
justify-content: center;
}
.n-button {
margin-top: 10px;
}
</style>

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@@ -11,7 +11,7 @@
"author": "",
"license": "ISC",
"devDependencies": {
"wrangler": "^4.47.0"
"wrangler": "^4.53.0"
},
"packageManager": "pnpm@10.10.0+sha512.d615db246fe70f25dcfea6d8d73dee782ce23e2245e3c4f6f888249fb568149318637dca73c2c5c8ef2a4ca0d5657fb9567188bfab47f566d1ee6ce987815c39"
}

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@@ -142,6 +142,7 @@ function sidebarGuide(): DefaultTheme.SidebarItem[] {
text: 'Additional Features',
collapsed: false,
items: [
{ text: 'AI Email Recognition', link: 'feature/ai-extract' },
{ text: 'Configure SMTP IMAP Proxy', link: 'feature/config-smtp-proxy' },
{ text: 'Send Email API', link: 'feature/send-mail-api' },
{ text: 'View Email API', link: 'feature/mail-api' },

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@@ -142,6 +142,7 @@ function sidebarGuide(): DefaultTheme.SidebarItem[] {
text: '附加功能',
collapsed: false,
items: [
{ text: 'AI 邮件识别', link: 'feature/ai-extract' },
{ text: '配置 SMTP IMAP 代理服务', link: 'feature/config-smtp-proxy' },
{ text: '发送邮件 API', link: 'feature/send-mail-api' },
{ text: '查看邮件 API', link: 'feature/mail-api' },

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@@ -0,0 +1,70 @@
# AI Email Recognition
> [!NOTE]
> This feature is supported from version v1.1.0
>
> This feature is inspired by the [Alle project](https://github.com/bestruirui/Alle/blob/62e74629ded0c7966c12d4e1c54f0bcc2e54f12c/src/lib/email/extract.ts#L54)
## Features
The AI email recognition feature uses Cloudflare Workers AI to automatically analyze incoming email content and intelligently extract important information, including:
- **Verification Code** (auth_code) - OTP, security code, confirmation code, etc.
- **Authentication Link** (auth_link) - Login, verify, activate, password reset links
- **Service Link** (service_link) - GitHub, GitLab, deployment notifications and other service-related links
- **Subscription Link** (subscription_link) - Unsubscribe, manage subscription links
- **Other Link** (other_link) - Other valuable links
Extraction results are automatically saved to the `metadata` field in the database, and the frontend can directly display extracted verification codes or links.
## Configuration Variables
| Variable Name | Type | Description | Example |
| -------------------------- | --------- | -------------------------------------------------------------------------------------------------------------------------------- | -------------------------------- |
| `ENABLE_AI_EMAIL_EXTRACT` | Text/JSON | Whether to enable AI email recognition feature | `true` |
| `AI_EXTRACT_MODEL` | Text | AI model name, choose from [models supporting JSON mode](https://developers.cloudflare.com/workers-ai/features/json-mode/#supported-models) | `@cf/meta/llama-3.1-8b-instruct` |
## Workers AI Binding
Configure Workers AI binding in `wrangler.toml`:
```toml
[ai]
binding = "AI"
```
Or add in Cloudflare Dashboard Worker settings:
- **Variable name**: `AI`
- **Type**: Workers AI
## Address Allowlist (Optional)
To control costs and resource usage, you can configure an address allowlist in the Admin console's **AI Extract Settings** page:
### Configuration
- **Allowlist Disabled**: AI extraction will process all email addresses
- **Allowlist Enabled**: AI extraction will only process addresses in the allowlist
### Allowlist Format
One address per line, supporting wildcard `*` to match any characters:
- **Exact Match**: `user@example.com` - Only matches this specific email
- **Domain Wildcard**: `*@example.com` - Matches all emails under example.com domain
- **User Wildcard**: `admin*@example.com` - Matches emails starting with admin
- **Wildcard Anywhere**: `*test*@example.com` - Matches emails containing test
- **Multiple Wildcards**: `admin*@*.com` - Matches emails starting with admin under any .com domain
### Configuration Example
```text
user@example.com
*@mydomain.com
admin*@company.com
```
This configuration will only perform AI extraction for:
- `user@example.com` (exact match)
- All emails under `@mydomain.com` (e.g., `test@mydomain.com`, `admin@mydomain.com`)
- All emails starting with `admin` under `@company.com` (e.g., `admin@company.com`, `admin123@company.com`)

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@@ -5,49 +5,49 @@
## Required Variables
| Variable Name | Type | Description | Example |
| -------------------------- | ----------- | ------------------------------------------------------------ | ------------------------------------ |
| `DOMAINS` | JSON | All domains for temporary email, supports multiple domains | `["awsl.uk", "dreamhunter2333.xyz"]` |
| `JWT_SECRET` | Text/Secret | Secret key for generating JWT, used for login and authentication | `xxx` |
| `ADMIN_PASSWORDS` | JSON | Admin console passwords, console access disabled if not configured | `["123", "456"]` |
| Variable Name | Type | Description | Example |
| -------------------------- | ----------- | ---------------------------------------------------------------------- | ------------------------------------ |
| `DOMAINS` | JSON | All domains for temporary email, supports multiple domains | `["awsl.uk", "dreamhunter2333.xyz"]` |
| `JWT_SECRET` | Text/Secret | Secret key for generating JWT, used for login and authentication | `xxx` |
| `ADMIN_PASSWORDS` | JSON | Admin console passwords, console access disabled if not configured | `["123", "456"]` |
| `ENABLE_USER_CREATE_EMAIL` | Text/JSON | Whether to allow users to create mailboxes, disabled if not configured | `true` |
| `ENABLE_USER_DELETE_EMAIL` | Text/JSON | Whether to allow users to delete emails, disabled if not configured | `true` |
| `ENABLE_USER_DELETE_EMAIL` | Text/JSON | Whether to allow users to delete emails, disabled if not configured | `true` |
## Console Related Variables
| Variable Name | Type | Description | Example |
| ------------------------------ | --------- | -------------------------------------------------- | ---------------- |
| Variable Name | Type | Description | Example |
| ------------------------------ | --------- | ------------------------------------------------------- | ---------------- |
| `PASSWORDS` | JSON | Website private passwords, required after configuration | `["123", "456"]` |
| `DISABLE_ADMIN_PASSWORD_CHECK` | Text/JSON | Warning: Admin console without password or user check | `false` |
| `DISABLE_ADMIN_PASSWORD_CHECK` | Text/JSON | Warning: Admin console without password or user check | `false` |
## Email Related Variables
| Variable Name | Type | Description | Example |
| ------------------------------------- | --------- | ---------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------- |
| `PREFIX` | Text | Default prefix for new `email address` names, can be left unconfigured if no prefix needed | `tmp` |
| `MIN_ADDRESS_LEN` | Number | Minimum length of `email address` name | `1` |
| `MAX_ADDRESS_LEN` | Number | Maximum length of `email address` name | `30` |
| `DISABLE_CUSTOM_ADDRESS_NAME` | Text/JSON | Disable custom email address names, if set to true, users cannot enter custom names and they will be auto-generated | `true` |
| `ADDRESS_CHECK_REGEX` | Text | Regular expression for `email address` name, used for validation only | `^(?!.*admin).*` |
| Variable Name | Type | Description | Example |
| ------------------------------------- | --------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------- |
| `PREFIX` | Text | Default prefix for new `email address` names, can be left unconfigured if no prefix needed | `tmp` |
| `MIN_ADDRESS_LEN` | Number | Minimum length of `email address` name | `1` |
| `MAX_ADDRESS_LEN` | Number | Maximum length of `email address` name | `30` |
| `DISABLE_CUSTOM_ADDRESS_NAME` | Text/JSON | Disable custom email address names, if set to true, users cannot enter custom names and they will be auto-generated | `true` |
| `ADDRESS_CHECK_REGEX` | Text | Regular expression for `email address` name, used for validation only | `^(?!.*admin).*` |
| `ADDRESS_REGEX` | Text | Regular expression to replace illegal symbols in `email address` name, symbols not in the regex will be replaced. Default is `[^a-z0-9]` if not set. Use with caution as some symbols may prevent email reception | `[^a-z0-9]` |
| `DEFAULT_DOMAINS` | JSON | Default domains available to users (not logged in or users without assigned roles) | `["awsl.uk", "dreamhunter2333.xyz"]` |
| `CREATE_ADDRESS_DEFAULT_DOMAIN_FIRST` | Text/JSON | Whether to prioritize default domain when creating new addresses, if set to true, will use the first domain when no domain is specified, mainly for telegram bot scenarios | `false` |
| `DOMAIN_LABELS` | JSON | For Chinese domains, you can use DOMAIN_LABELS to display Chinese names | `["中文.awsl.uk", "dreamhunter2333.xyz"]` |
| `ENABLE_AUTO_REPLY` | Text/JSON | Allow automatic email replies | `true` |
| `DEFAULT_SEND_BALANCE` | Text/JSON | Default email sending balance, will be 0 if not set | `1` |
| `ENABLE_ADDRESS_PASSWORD` | Text/JSON | Enable address password feature, when enabled, passwords will be auto-generated for new addresses, supports password login and modification | `true` |
| `DEFAULT_DOMAINS` | JSON | Default domains available to users (not logged in or users without assigned roles) | `["awsl.uk", "dreamhunter2333.xyz"]` |
| `CREATE_ADDRESS_DEFAULT_DOMAIN_FIRST` | Text/JSON | Whether to prioritize default domain when creating new addresses, if set to true, will use the first domain when no domain is specified, mainly for telegram bot scenarios | `false` |
| `DOMAIN_LABELS` | JSON | For Chinese domains, you can use DOMAIN_LABELS to display Chinese names | `["中文.awsl.uk", "dreamhunter2333.xyz"]` |
| `ENABLE_AUTO_REPLY` | Text/JSON | Allow automatic email replies | `true` |
| `DEFAULT_SEND_BALANCE` | Text/JSON | Default email sending balance, will be 0 if not set | `1` |
| `ENABLE_ADDRESS_PASSWORD` | Text/JSON | Enable address password feature, when enabled, passwords will be auto-generated for new addresses, supports password login and modification | `true` |
## Email Reception Related Variables
| Variable Name | Type | Description | Example |
| ------------------------------- | --------- | -------------------------------------------------------------------------------------- | -------------------------- |
| `BLACK_LIST` | Text | Blacklist for filtering senders, comma separated | `gov.cn,edu.cn` |
| `ENABLE_CHECK_JUNK_MAIL` | Text/JSON | Whether to enable junk mail checking, used with the following two lists | `false` |
| `JUNK_MAIL_CHECK_LIST` | JSON | Junk mail check configuration, marked as junk if any item `exists` and `fails` | `["spf", "dkim", "dmarc"]` |
| `JUNK_MAIL_FORCE_PASS_LIST` | JSON | Junk mail check configuration, marked as junk if any item `does not exist` or `fails` | `["spf", "dkim", "dmarc"]` |
| Variable Name | Type | Description | Example |
| ------------------------------- | --------- | ---------------------------------------------------------------------------------------------------------------------- | -------------------------- |
| `BLACK_LIST` | Text | Blacklist for filtering senders, comma separated | `gov.cn,edu.cn` |
| `ENABLE_CHECK_JUNK_MAIL` | Text/JSON | Whether to enable junk mail checking, used with the following two lists | `false` |
| `JUNK_MAIL_CHECK_LIST` | JSON | Junk mail check configuration, marked as junk if any item `exists` and `fails` | `["spf", "dkim", "dmarc"]` |
| `JUNK_MAIL_FORCE_PASS_LIST` | JSON | Junk mail check configuration, marked as junk if any item `does not exist` or `fails` | `["spf", "dkim", "dmarc"]` |
| `FORWARD_ADDRESS_LIST` | JSON | Global forward address list, disabled if not configured, all emails will be forwarded to listed addresses when enabled | `["xxx@xxx.com"]` |
| `REMOVE_EXCEED_SIZE_ATTACHMENT` | Text/JSON | If attachment exceeds 2MB, remove it, email may lose some information due to parsing | `true` |
| `REMOVE_ALL_ATTACHMENT` | Text/JSON | Remove all attachments, email may lose some information due to parsing | `true` |
| `REMOVE_EXCEED_SIZE_ATTACHMENT` | Text/JSON | If attachment exceeds 2MB, remove it, email may lose some information due to parsing | `true` |
| `REMOVE_ALL_ATTACHMENT` | Text/JSON | Remove all attachments, email may lose some information due to parsing | `true` |
> [!NOTE]
> `Junk mail checking` and `attachment removal` require email parsing, free tier CPU is limited, may cause large email parsing timeout
@@ -58,9 +58,9 @@
## Webhook Related Variables
| Variable Name | Type | Description | Example |
| ---------------- | --------- | -------------------------------------------- | ------------------ |
| `ENABLE_WEBHOOK` | Text/JSON | Whether to enable webhook | `true` |
| Variable Name | Type | Description | Example |
| ---------------- | --------- | ------------------------------------------------- | ------------------ |
| `ENABLE_WEBHOOK` | Text/JSON | Whether to enable webhook | `true` |
| `FRONTEND_URL` | Text | Frontend URL, used for sending webhook email URLs | `https://xxxx.xxx` |
> [!NOTE]
@@ -72,13 +72,13 @@
## User Related Variables
| Variable Name | Type | Description | Example |
| ------------------------------------- | --------- | ---------------------------------------------------------------------------------------------- | ------- |
| `USER_DEFAULT_ROLE` | Text | Default role for new users, only effective when email verification is enabled | `vip` |
| `ADMIN_USER_ROLE` | Text | Admin role configuration, if user role equals ADMIN_USER_ROLE, user can access admin console | `admin` |
| `USER_ROLES` | JSON | - | See below |
| `DISABLE_ANONYMOUS_USER_CREATE_EMAIL` | Text/JSON | Disable anonymous user mailbox creation, if set to true, users can only create addresses after login | `true` |
| `NO_LIMIT_SEND_ROLE` | Text | Roles that can send unlimited emails, multiple roles separated by comma `vip,admin` | `vip` |
| Variable Name | Type | Description | Example |
| ------------------------------------- | --------- | ---------------------------------------------------------------------------------------------------- | --------- |
| `USER_DEFAULT_ROLE` | Text | Default role for new users, only effective when email verification is enabled | `vip` |
| `ADMIN_USER_ROLE` | Text | Admin role configuration, if user role equals ADMIN_USER_ROLE, user can access admin console | `admin` |
| `USER_ROLES` | JSON | - | See below |
| `DISABLE_ANONYMOUS_USER_CREATE_EMAIL` | Text/JSON | Disable anonymous user mailbox creation, if set to true, users can only create addresses after login | `true` |
| `NO_LIMIT_SEND_ROLE` | Text | Roles that can send unlimited emails, multiple roles separated by comma `vip,admin` | `vip` |
> [!NOTE] USER_ROLES User Role Configuration
>
@@ -91,24 +91,24 @@
## Web Related Variables
| Variable Name | Type | Description | Example |
| -------------------------- | ----------- | -------------------------------------------------------- | --------------------- |
| `DEFAULT_LANG` | Text | Worker error message default language, zh/en | `zh` |
| `TITLE` | Text | Custom frontend page website title, supports html | `Custom Title` |
| `ANNOUNCEMENT` | Text | Custom frontend page announcement, supports html | `Custom Announcement` |
| Variable Name | Type | Description | Example |
| -------------------------- | ----------- | ------------------------------------------------------------------------ | --------------------- |
| `DEFAULT_LANG` | Text | Worker error message default language, zh/en | `zh` |
| `TITLE` | Text | Custom frontend page website title, supports html | `Custom Title` |
| `ANNOUNCEMENT` | Text | Custom frontend page announcement, supports html | `Custom Announcement` |
| `ALWAYS_SHOW_ANNOUNCEMENT` | Text/JSON | Whether to always show announcement (even if unchanged), default `false` | `true` |
| `COPYRIGHT` | Text | Custom frontend footer text, supports html | `Dream Hunter` |
| `ADMIN_CONTACT` | Text | Admin contact information, can be any string, hidden if not configured | `xxx@gmail.com` |
| `DISABLE_SHOW_GITHUB` | Text/JSON | Whether to show GitHub link | `true` |
| `CF_TURNSTILE_SITE_KEY` | Text/Secret | Turnstile CAPTCHA configuration | `xxx` |
| `CF_TURNSTILE_SECRET_KEY` | Text/Secret | Turnstile CAPTCHA configuration | `xxx` |
| `COPYRIGHT` | Text | Custom frontend footer text, supports html | `Dream Hunter` |
| `ADMIN_CONTACT` | Text | Admin contact information, can be any string, hidden if not configured | `xxx@gmail.com` |
| `DISABLE_SHOW_GITHUB` | Text/JSON | Whether to show GitHub link | `true` |
| `CF_TURNSTILE_SITE_KEY` | Text/Secret | Turnstile CAPTCHA configuration | `xxx` |
| `CF_TURNSTILE_SECRET_KEY` | Text/Secret | Turnstile CAPTCHA configuration | `xxx` |
## Telegram Bot Related Variables
| Variable Name | Type | Description | Example |
| ---------------- | ------ | ---------------------------------------------------------------------------------------- | ------- |
| `TG_MAX_ADDRESS` | Number | Maximum number of mailboxes that can be bound to telegram bot | `5` |
| `TG_BOT_INFO` | Text | Optional, telegram BOT_INFO, predefined BOT_INFO can reduce webhook latency | `{}` |
| Variable Name | Type | Description | Example |
| ---------------- | ------ | --------------------------------------------------------------------------- | ------- |
| `TG_MAX_ADDRESS` | Number | Maximum number of mailboxes that can be bound to telegram bot | `5` |
| `TG_BOT_INFO` | Text | Optional, telegram BOT_INFO, predefined BOT_INFO can reduce webhook latency | `{}` |
> [!NOTE]
> Telegram functionality requires email parsing, free tier CPU is limited, may cause large email parsing timeout
@@ -119,9 +119,9 @@
## Other Variables
| Variable Name | Type | Description | Example |
| ----------------------- | --------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------- |
| `ENABLE_ANOTHER_WORKER` | Text/JSON | Whether to enable other workers to process emails | `false` |
| Variable Name | Type | Description | Example |
| ----------------------- | --------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------- |
| `ENABLE_ANOTHER_WORKER` | Text/JSON | Whether to enable other workers to process emails | `false` |
| `ANOTHER_WORKER_LIST` | JSON | - Configuration for other workers to process emails, multiple workers can be configured <br/> - Filter by keywords, call the bound worker's method (default method name is rpcEmail)<br/> - keywords are required, otherwise the worker will not be triggered | See below |
> [!NOTE]

View File

@@ -0,0 +1,70 @@
# AI 邮件识别
> [!NOTE]
> 此功能从 v1.1.0 版本开始支持
>
> 本功能参考自 [Alle 项目](https://github.com/bestruirui/Alle/blob/62e74629ded0c7966c12d4e1c54f0bcc2e54f12c/src/lib/email/extract.ts#L54)
## 功能说明
AI 邮件识别功能使用 Cloudflare Workers AI 自动分析收到的邮件内容,智能提取重要信息,包括:
- **验证码** (auth_code) - OTP、安全码、确认码等
- **认证链接** (auth_link) - 登录、验证、激活、重置密码链接
- **服务链接** (service_link) - GitHub、GitLab、部署通知等服务相关链接
- **订阅管理链接** (subscription_link) - 退订、管理订阅等链接
- **其他链接** (other_link) - 其他有价值的链接
提取结果会自动保存到数据库的 `metadata` 字段中,前端可以直接展示提取的验证码或链接。
## 配置变量
| 变量名 | 类型 | 说明 | 示例 |
| ------------------------- | --------- | ------------------------------------------------------------------------------------------------------------------------------ | -------------------------------- |
| `ENABLE_AI_EMAIL_EXTRACT` | 文本/JSON | 是否启用 AI 邮件识别功能 | `true` |
| `AI_EXTRACT_MODEL` | 文本 | AI 模型名称,从[支持 JSON 模式的模型](https://developers.cloudflare.com/workers-ai/features/json-mode/#supported-models)中选择 | `@cf/meta/llama-3.1-8b-instruct` |
## Workers AI 绑定
需要在 `wrangler.toml` 中配置 Workers AI 绑定:
```toml
[ai]
binding = "AI"
```
或在 Cloudflare Dashboard 的 Worker 设置中添加:
- **Variable name**: `AI`
- **Type**: Workers AI
## 地址白名单(可选)
为了控制成本和资源使用,可以在 Admin 控制台的 **AI 提取设置** 页面配置地址白名单:
### 配置说明
- **未启用白名单**:所有邮箱地址都可使用 AI 提取功能
- **启用白名单**:仅白名单中的邮箱地址会进行 AI 提取
### 白名单格式
每行一个地址,支持通配符 `*` 匹配任意字符:
- **精确匹配**`user@example.com` - 仅匹配该邮箱
- **域名通配符**`*@example.com` - 匹配 example.com 域名下的所有邮箱
- **用户通配符**`admin*@example.com` - 匹配 admin 开头的邮箱
- **任意位置通配符**`*test*@example.com` - 匹配包含 test 的邮箱
- **多个通配符**`admin*@*.com` - 匹配所有 .com 域名下 admin 开头的邮箱
### 配置示例
```text
user@example.com
*@mydomain.com
admin*@company.com
```
此配置将只对以下邮箱进行 AI 提取:
- `user@example.com`(精确匹配)
- 所有 `@mydomain.com` 的邮箱(如 `test@mydomain.com``admin@mydomain.com`
- 所有 `admin` 开头的 `@company.com` 邮箱(如 `admin@company.com``admin123@company.com`

View File

@@ -6,7 +6,7 @@
"devDependencies": {
"@types/node": "^24.10.1",
"vitepress": "^1.6.4",
"wrangler": "^4.47.0"
"wrangler": "^4.53.0"
},
"scripts": {
"dev": "vitepress dev docs",

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@@ -11,26 +11,26 @@
"build": "wrangler deploy --dry-run --outdir dist --minify"
},
"devDependencies": {
"@cloudflare/workers-types": "^4.20251111.0",
"@cloudflare/workers-types": "^4.20251205.0",
"@eslint/js": "9.18.0",
"@simplewebauthn/types": "10.0.0",
"@types/node": "^22.19.1",
"eslint": "9.18.0",
"globals": "^15.15.0",
"typescript-eslint": "^8.46.4",
"wrangler": "^4.47.0"
"typescript-eslint": "^8.48.1",
"wrangler": "^4.53.0"
},
"dependencies": {
"@aws-sdk/client-s3": "3.888.0",
"@aws-sdk/s3-request-presigner": "3.888.0",
"@simplewebauthn/server": "10.0.1",
"hono": "^4.10.5",
"hono": "^4.10.7",
"jsonpath-plus": "^10.3.0",
"mimetext": "^3.0.27",
"postal-mime": "^2.6.0",
"postal-mime": "^2.6.1",
"resend": "^4.8.0",
"telegraf": "4.16.3",
"worker-mailer": "^1.2.0"
"worker-mailer": "^1.2.1"
},
"pnpm": {
"patchedDependencies": {

833
worker/pnpm-lock.yaml generated

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@@ -0,0 +1,27 @@
import { Context } from "hono";
import { CONSTANTS } from "../constants";
import { getJsonSetting, saveSetting } from "../utils";
export type AiExtractSettings = {
enableAllowList: boolean;
allowList: string[];
}
async function getAiExtractSettings(c: Context<HonoCustomType>): Promise<Response> {
const settings = await getJsonSetting<AiExtractSettings>(c, CONSTANTS.AI_EXTRACT_SETTINGS_KEY) || {
enableAllowList: false,
allowList: []
};
return c.json(settings);
}
async function saveAiExtractSettings(c: Context<HonoCustomType>): Promise<Response> {
const settings = await c.req.json<AiExtractSettings>();
await saveSetting(c, CONSTANTS.AI_EXTRACT_SETTINGS_KEY, JSON.stringify(settings));
return c.json({ success: true })
}
export default {
getAiExtractSettings,
saveAiExtractSettings,
}

View File

@@ -9,6 +9,7 @@ CREATE TABLE IF NOT EXISTS raw_mails (
source TEXT,
address TEXT,
raw TEXT,
metadata TEXT,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);
@@ -142,8 +143,11 @@ export default {
const query = `ALTER TABLE address ADD password TEXT;`
await c.env.DB.exec(query);
}
if (version == "v0.0.3") {
// migration from v0.0.3 to v0.0.4
await c.env.DB.exec(`ALTER TABLE raw_mails ADD COLUMN metadata TEXT;`);
}
if (version != CONSTANTS.DB_VERSION) {
// TODO: Perform migration logic here
// remove all \r and \n characters from the query string
// split by ; and join with a ;\n
const query = DB_INIT_QUERIES.replace(/[\r\n]/g, "")

View File

@@ -15,6 +15,7 @@ import admin_mail_api from './admin_mail_api'
import { sendMailbyAdmin } from './send_mail'
import db_api from './db_api'
import ip_blacklist_settings from './ip_blacklist_settings'
import ai_extract_settings from './ai_extract_settings'
import { EmailRuleSettings } from '../models'
export const api = new Hono<HonoCustomType>()
@@ -377,3 +378,7 @@ api.post('admin/db_migration', db_api.migrate);
// IP blacklist settings
api.get("/admin/ip_blacklist/settings", ip_blacklist_settings.getIpBlacklistSettings);
api.post("/admin/ip_blacklist/settings", ip_blacklist_settings.saveIpBlacklistSettings);
// AI extract settings
api.get("/admin/ai_extract/settings", ai_extract_settings.getAiExtractSettings);
api.post("/admin/ai_extract/settings", ai_extract_settings.saveAiExtractSettings);

View File

@@ -3,7 +3,7 @@ export const CONSTANTS = {
// DB Version
DB_VERSION_KEY: 'db_version',
DB_VERSION: "v0.0.3",
DB_VERSION: "v0.0.4",
// DB settings
ADDRESS_BLOCK_LIST_KEY: 'address_block_list',
@@ -16,6 +16,7 @@ export const CONSTANTS = {
EMAIL_RULE_SETTINGS_KEY: 'email_rule_settings',
ROLE_ADDRESS_CONFIG_KEY: 'role_address_config',
IP_BLACKLIST_SETTINGS_KEY: 'ip_blacklist_settings',
AI_EXTRACT_SETTINGS_KEY: 'ai_extract_settings',
// KV
TG_KV_PREFIX: "temp-mail-telegram",

View File

@@ -0,0 +1,235 @@
/**
* AI Email Extraction Module
*
* This module provides email content analysis using Cloudflare Workers AI.
* It extracts important information like verification codes, authentication links,
* service links, and subscription management links from email content.
*/
import { commonParseMail } from "../common";
import { getBooleanValue, getJsonSetting } from "../utils";
import { CONSTANTS } from "../constants";
import { Context } from "hono";
import type { AiExtractSettings } from "../admin_api/ai_extract_settings";
// AI Prompt for email analysis
const PROMPT = `
You are an expert email analyzer. Your task is to first UNDERSTAND the email content, then EXTRACT the most relevant information based on priority.
# Step 1: UNDERSTAND the Email
Read the entire email carefully and determine its:
- Overall purpose (verification, marketing, notification, etc.)
- Key context and situation
- What the sender wants the recipient to do
- Any security-sensitive content
# Step 2: EXTRACT Based on Priority
After understanding, extract the most important item according to this priority order:
**Priority 1: auth_code (Authentication Code)**
- Numeric or alphanumeric codes used for login verification
- Keywords: verification code, OTP, security code, confirmation code, auth code, 验证码, 校验码
- Extract ONLY the code itself (remove spaces, hyphens, etc.)
- Example: "123456" from "Your verification code is 123-456"
**Priority 2: auth_link (Authentication Link)**
- Links used for login, email verification, account activation, or password reset
- Keywords: verify, confirm, activate, login, signin, signup, reset, 验证, 激活, 登录
- Must be a real, complete URL (http:// or https://)
- Never fabricate or infer links that don't exist in the content
- Example: "https://example.com/verify?token=abc123"
**Priority 3: service_link (Service Link)**
- Links related to specific services or actions
- Keywords: commit, pull request, issue, repository, deployment, GitHub, GitLab, code review
- Real URLs for technical or service-related notifications
- Example: GitHub commit link, deployment notification link
**Priority 4: subscription_link (Subscription Management Link)**
- Links for managing email subscriptions, typically unsubscribe
- Keywords: unsubscribe, opt-out, manage preferences, 退订, 取消订阅
- Usually found at the bottom of marketing emails
- Real URLs for subscription control
**Priority 5: other_link (Other Valuable Link)**
- Any other link that might be useful or important
- Only extract if no higher-priority items exist
- Must be a real, complete URL from the content
**Priority 6: none**
- No relevant codes, links, or valuable content found
- Email appears to be plain text or irrelevant
# Special Case: Markdown Link Format
If the extracted content is in markdown link format [text](url):
- Extract the text inside the brackets as result_text
- When brackets are empty, analyze the email context and language
- Generate a concise, meaningful description (2-5 words) for result_text
- Match the email's language (Chinese → Chinese description, English → English)
# Critical Rules
1. **Understand First**: Always analyze the email's purpose before extracting
2. **Single Selection**: Choose ONLY ONE type based on the highest priority match
3. **Real Data Only**: Never invent, guess, or fabricate content
4. **Complete URLs**: Links must be full, valid URLs as they appear in the email
5. **Clean Extraction**: Return only the raw extracted content, no extra text
# Output Format (JSON only)
{
"type": "auth_code|auth_link|service_link|subscription_link|other_link|none",
"result": "the extracted code/link OR empty string",
"result_text": "the display text from markdown-format links."
}
IMPORTANT: Return ONLY the JSON, no explanations or additional text.
`;
/**
* Extract important information from email content using Cloudflare Workers AI
*
* @param content - The email content to analyze (plain text or HTML)
* @param env - Cloudflare Workers environment bindings
* @returns Promise<ExtractResult> - The extracted information
*/
async function extractWithCloudflareAI(
content: string,
env: Bindings
): Promise<ExtractResult> {
// Get the AI model name from environment variable or use default
const modelName = env.AI_EXTRACT_MODEL || '@cf/meta/llama-3.1-8b-instruct';
const result = await env.AI.run(modelName as keyof AiModels, {
messages: [
{ role: 'system', content: PROMPT },
{ role: 'user', content },
],
response_format: {
type: 'json_schema',
json_schema: {
type: 'object',
properties: {
type: {
type: 'string',
enum: ['auth_code', 'auth_link', 'service_link', 'subscription_link', 'other_link', 'none']
},
result: { type: 'string' },
result_text: { type: 'string' },
},
required: ['type', 'result', 'result_text'],
},
},
stream: false,
});
// @ts-expect-error result.response
const response = result.response;
if (typeof response === 'string') {
return JSON.parse(response) as ExtractResult;
}
if (response && typeof response === 'object') {
return response as ExtractResult;
}
throw new Error('Unexpected response format from Cloudflare AI');
}
/**
* Main extraction function
* Checks if AI extraction is enabled, processes the email content, and saves to database
*
* @param parsedEmailContext - The parsed email context
* @param env - Cloudflare Workers environment bindings
* @param message_id - The email message ID
* @param address - The recipient email address
* @returns Promise<void>
*/
export async function extractEmailInfo(
parsedEmailContext: ParsedEmailContext,
env: Bindings,
message_id: string | null,
address: string
): Promise<void> {
try {
// Check if AI extraction is enabled via environment variable
if (!getBooleanValue(env.ENABLE_AI_EMAIL_EXTRACT)) {
return;
}
// Ensure AI binding is available
if (!env.AI) {
console.error('AI binding not available');
return;
}
// Check allowlist if enabled
const aiSettings = await getJsonSetting<AiExtractSettings>(
{ env: env } as Context<HonoCustomType>,
CONSTANTS.AI_EXTRACT_SETTINGS_KEY
);
if (aiSettings?.enableAllowList && aiSettings.allowList?.length > 0) {
const isAllowed = aiSettings.allowList.some(pattern => {
// Support wildcard matching
if (pattern.includes('*')) {
// Escape special regex characters except *
const escapedPattern = pattern
.replace(/[.+?^${}()|[\]\\]/g, '\\$&')
.replace(/\*/g, '.*');
const regex = new RegExp('^' + escapedPattern + '$');
return regex.test(address);
}
// Exact match
return address === pattern;
});
if (!isAllowed) {
console.log(`AI extraction skipped for ${address}: not in allowlist`);
return;
}
}
// Parse email to get content
const parsedEmail = await commonParseMail(parsedEmailContext);
const emailContent = parsedEmail?.text || parsedEmail?.html || "";
if (!emailContent) {
return;
}
// Truncate content if too long (max 4000 characters to avoid token limits)
const truncatedContent = emailContent.length > 4000
? emailContent.substring(0, 4000) + '...[truncated]'
: emailContent;
const result = await extractWithCloudflareAI(truncatedContent, env);
// If extraction found something useful, save it to database
if (result.type !== 'none' && result.result) {
const metadata = JSON.stringify({
ai_extract: result,
extracted_at: new Date().toISOString()
});
// Update the raw_mails record with metadata
await env.DB.prepare(
`UPDATE raw_mails SET metadata = ? WHERE message_id = ?`
).bind(metadata, message_id).run();
console.log(`AI extraction completed for ${message_id}: ${result.type}`);
}
} catch (e) {
console.error('AI email extraction error:', e);
}
}
/**
* Type definition for extraction result
*/
export type ExtractResult = {
type: 'auth_code' | 'auth_link' | 'service_link' | 'subscription_link' | 'other_link' | 'none';
result: string;
result_text: string;
};

View File

@@ -7,6 +7,7 @@ import { isBlocked } from "./black_list";
import { triggerWebhook, triggerAnotherWorker, commonParseMail } from "../common";
import { check_if_junk_mail } from "./check_junk";
import { remove_attachment_if_need } from "./check_attachment";
import { extractEmailInfo } from "./ai_extract";
import { EmailRuleSettings } from "../models";
import { CONSTANTS } from "../constants";
@@ -155,6 +156,9 @@ async function email(message: ForwardableEmailMessage, env: Bindings, ctx: Execu
// auto reply email
await auto_reply(message, env);
// AI email content extraction
await extractEmailInfo(parsedEmailContext, env, message_id, message.to);
}
export { email }

View File

@@ -11,6 +11,7 @@ type Bindings = {
RATE_LIMITER: any
SEND_MAIL: any
ASSETS: Fetcher
AI: Ai
// config
DEFAULT_LANG: string | undefined
@@ -86,6 +87,10 @@ type Bindings = {
// webhook config
FRONTEND_URL: string | undefined
// AI extraction config
ENABLE_AI_EMAIL_EXTRACT: string | boolean | undefined
AI_EXTRACT_MODEL: string | undefined
}
type JwtPayload = {

View File

@@ -107,6 +107,10 @@ ENABLE_AUTO_REPLY = false
# REMOVE_EXCEED_SIZE_ATTACHMENT = true
# remove all attachment, mail maybe mising some information due to parsing
# REMOVE_ALL_ATTACHMENT = true
# AI email extraction, automatically extract verification codes, auth links, etc.
# ENABLE_AI_EMAIL_EXTRACT = true
# AI model name, choose from https://developers.cloudflare.com/workers-ai/models/#text-generation
# AI_EXTRACT_MODEL = "@cf/meta/llama-3.1-8b-instruct"
# Calling other woker to process email
# ENABLE_ANOTHER_WORKER = false
# ANOTHER_WORKER_LIST = """
@@ -127,6 +131,10 @@ binding = "DB"
database_name = "xxx"
database_id = "xxx"
# Workers AI binding (required for AI email extraction)
# [ai]
# binding = "AI"
# kv config for send email verification code
# [[kv_namespaces]]
# binding = "KV"