diff --git a/.dockerignore b/.dockerignore index a6eb6d7..3601207 100644 --- a/.dockerignore +++ b/.dockerignore @@ -1,5 +1,8 @@ # Project README.md +test.js +test_post.js +src/translate_old.js node_modules/ # git @@ -8,9 +11,4 @@ node_modules/ .gitignore # vercel -api/ -vercel.json - -# netlify -functions/ -netlify.toml \ No newline at end of file +vercel.json \ No newline at end of file diff --git a/example.env b/.env similarity index 79% rename from example.env rename to .env index 30022e3..c565944 100644 --- a/example.env +++ b/.env @@ -1,15 +1,17 @@ -# 在使用此示例前，请先将文件名'example'去掉 - # 端口号 # type: Number +# default: 6119 PORT=6119 # 是否允许请求备选翻译 # type: Boolean +# default: true +# 不允许时报错 ALTERNATIVE=true # 跨域请求 (待完善) # type: Boolean String RegExp +# default: false # 正则表达式请使用引号包裹。 # 示例： '*'(允许任何) 或者 false(不允许) CORS_ORIGIN=false \ No newline at end of file diff --git a/.github/workflows/dependabot.yml b/.github/workflows/dependabot.yml new file mode 100644 index 0000000..16daee8 --- /dev/null +++ b/.github/workflows/dependabot.yml @@ -0,0 +1,9 @@ +# Please see the documentation for all configuration options: +# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file + +version: 2 +updates: + - package-ecosystem: "npm" + directory: "/" + schedule: + interval: "weekly" \ No newline at end of file diff --git a/.github/workflows/docker-image.yaml b/.github/workflows/docker-image.yaml index 3f8361a..7fbc0d2 100644 --- a/.github/workflows/docker-image.yaml +++ b/.github/workflows/docker-image.yaml @@ -51,11 +51,9 @@ jobs: with: images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} tags: | - type=schedule,pattern={{date 'YYYY/MM/DD-HH:mm' tz='Asia/Shanghai'}} type=semver,pattern={{version}} type=ref,event=branch - type=ref,event=pr - type=raw,value=${{ github.ref }},enable=${{ startsWith(github.ref, 'refs/tags/v') }} + type=raw,value=${{ format('YYYY/MM/DD-HH:mm', 'now', 'Asia/Shanghai') }},enable=${{ github.event.ref_type == 'tag' }} type=raw,value=latest,enable=${{ github.event.ref_type == 'tag' }} # Build and push Docker image with Buildx (don't push on PR) diff --git a/.gitignore b/.gitignore index 8ab0366..4a02067 100644 --- a/.gitignore +++ b/.gitignore @@ -3,6 +3,7 @@ # backup *.bak +src/translate_old.js # Logs logs diff --git a/Dockerfile b/Dockerfile index 186f5c5..786e4d7 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,11 +1,11 @@ # 阶段 1: 依赖安装 -FROM node:22-alpine AS deps +FROM node:lts-alpine AS deps WORKDIR /app COPY package*.json ./ RUN npm install # 阶段 2: 构建和运行应用 -FROM node:22-alpine +FROM node:lts-alpine WORKDIR /app # 复制依赖 diff --git a/LICENSE b/LICENSE index be3f7b2..74d5780 100644 --- a/LICENSE +++ b/LICENSE @@ -1,661 +1,19 @@ - GNU AFFERO GENERAL PUBLIC LICENSE - Version 3, 19 November 2007 - - Copyright (C) 2007 Free Software Foundation, Inc. - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The GNU Affero General Public License is a free, copyleft license for -software and other kinds of works, specifically designed to ensure -cooperation with the community in the case of network server software. - - The licenses for most software and other practical works are designed -to take away your freedom to share and change the works. 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It is safest -to attach them to the start of each source file to most effectively -state the exclusion of warranty; and each file should have at least -the "copyright" line and a pointer to where the full notice is found. - - - Copyright (C) - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU Affero General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more details. - - You should have received a copy of the GNU Affero General Public License - along with this program. If not, see . - -Also add information on how to contact you by electronic and paper mail. - - If your software can interact with users remotely through a computer -network, you should also make sure that it provides a way for users to -get its source. For example, if your program is a web application, its -interface could display a "Source" link that leads users to an archive -of the code. There are many ways you could offer source, and different -solutions will be better for different programs; see section 13 for the -specific requirements. - - You should also get your employer (if you work as a programmer) or school, -if any, to sign a "copyright disclaimer" for the program, if necessary. -For more information on this, and how to apply and follow the GNU AGPL, see -. +Copyright (c) 2024 shiguobaona (github.com/guobao2333) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. \ No newline at end of file diff --git a/README.md b/README.md index 75e699d..7014932 100644 --- a/README.md +++ b/README.md @@ -1,119 +1,81 @@ # DeepLX Serverless -[本项目](https://github.com/guobao2333/DeepLX-Serverless)是一个基于 DeepL翻译API 的无服务器函数部署项目，旨在提供一个可直接对接的免费翻译解决方案，很适合需要在无服务器环境中集成DeepL翻译服务的开发者使用。 -与原项目[DeepLX](https://github.com/OwO-Network/DeepLX)的区别在于**利用了无服务器函数(边缘函数)请求IP不固定的特性**，有效避免了`Error 429`请求太频繁的报错（不过嘛凡事总有例外¯\\\_(ツ)_/¯） +***本项目3.0版本开始完全基于[OwO-Network/DeepLX](https://github.com/OwO-Network/DeepLX)和DeepL网页端API进行重写。*** +**2.0及之前版本在[LegendLeo/deeplx-serverless](https://github.com/LegendLeo/deeplx-serverless)的基础上进行重构。** -虽然因此不会立马被*暂时封禁*，但也请不要滥用！目前我部署在vercel上会有流量限制，如果您有大量内容需要翻译，请购买DeepL的付费版，当前项目使用的free接口会受到DeepL政策限制 -由于目前项目未对pro接口进行适配，所以现在还只能使用free接口，不过在将来会完善，敬请期待~(„• ֊ •„)੭ +DeepLX Serverless是一个基于DeepL翻译且无需令牌的网页API的Serverless版本，与原项目[DeepLX](https://github.com/OwO-Network/DeepLX)的区别在于**利用了无服务器函数(边缘函数)请求IP不固定的特性**，有效避免了`Error 429`（不过嘛凡事总有例外¯\\\_(ツ)_/¯） +请勿滥用本项目！如果您有大量内容需要翻译，请购买DeepL的付费服务，项目使用的网页版接口会受到DeepL政策限制。 -**如果本项目对你有用的话，不妨点个`Star`❤️** -**Click `Star` if you like!! thanks❤️** - - -## Prerequisites | 你需要准备什么 -在正式开始使用前，我们还需要做一些准备工作喵(^o^)/ -你需要： -- 一双灵活的小手🙌🏻 -- 一个聪明的小脑袋瓜🧠 -- 支持 `Nodejs ≥18` 或 `Docker` 或 `Serverless Function` 的服务器💻 -- (可选) 拥有[Vercel](https://vercel.com) 的账号 - -## Deploy | 部署 +## Prerequisites | 准备工作 +> [!IMPORTANT] +> 有时`main`分支的合并可能不及时，或者你希望提前体验新功能，请切换到`dev`分支获取代码。 -使用任意支持无服务器函数部署的服务器，比如可以使用 `Vercel` 进行部署，又或者其他能够使用nodejs的服务器。(大多数服务器提供商都提供函数计算服务器) +- 支持 `Nodejs ≥18` 或 `Docker` 或 `Serverless Function` 的服务器 +- (可选) 拥有[Vercel](https://vercel.com)的账号 -如果你拥有 [Vercel](https://vercel.com) 账号的话那就很简单了，因为你只需要点击下方按钮即可一键部署： +### Deploy | 部署 [![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/guobao2333/DeepLX-Serverless) - -因维护者我有多个仓库需要维护，短时间内将无法对多平台部署方案进行兼容，您可以打开一个`issues📌`或打开一个`Pull Request📎`贡献您的代码。 -✨项目当前没有任何需要填写的变量值，但在后续可能会添加。 +```bash +git clone https://github.com/guobao2333/DeepLX-Serverless +cd DeepLX-Serverless +npm i +npm run start +``` + +配置可编辑`.env`或者提供启动参数来修改。 ### Docker | 容器部署 -🐳直接运行预构建容器： +🐳预构建： ```bash docker run -d -p 6119:6119 ghcr.io/guobao2333/deeplx-serverless ``` -🚧你还可以自己构建后运行： +自行构建： ```bash docker build -t deeplxs . docker run -d -p 6119:6119 deeplxs ``` - -### Self hosting | 源码部署 - -✅尽管本项目是专为 serverless 适配的方案，但是也能使用自己的服务器直接部署源码： -```bash -git clone https://github.com/guobao2333/DeepLX-Serverless -cd DeepLX-Serverless -npm i -npm run start -``` - -📋复制到命令行运行来一键启动服务： -```bash -git clone https://github.com/guobao2333/DeepLX-Serverless && cd DeepLX-Serverless && npm i && npm run start -``` - -如果部署完成了，就可以开始使用啦！🎉 - -#### startup parameters | 启动参数 +### Startup Parameters | 启动参数 > [!IMPORTANT] -> 此功能在 v2.0.0 及以上版本中可用 +> 此功能在 2.0.0 及以上版本中可用。 +> 启动参数会覆盖`.env` -如果你想的话，可以在启动时添加参数。 -比如添加一个`--no`前缀和`-a`参数来禁止备选翻译： +有时你可能想在启动服务时添加参数。 +比如添加一个`-c`参数来允许所有跨域请求： ```bash -npm run start -- --no-a +npm run start -- -c ``` 💡使用`-h`来获取所有参数。 ## How To Use | 如何使用 -> [!IMPORTANT] -> 请求时视部署服务的地区而定，可能会存在返回速度不一的情况，在中国地区可能会出现完全无法访问的情况，届时请尝试更换部署服务的地区，或让您部署的服务能够正常向DeepL发送请求即可。 -📡使用post通过 `域名地址` + `/translate` + `json请求体` 这样的形式获取json响应。 +* 详细调用参数请查看[项目Wiki](https://github.com/guobao2333/DeepLX-Serverless/wiki)。 -❔详细API文档，请查看本项目的wiki： -[English](https://github.com/guobao2333/DeepLX-Serverless/wiki/API-Parameters) | [简体中文](https://github.com/guobao2333/DeepLX-Serverless/wiki/API-%E5%8F%82%E6%95%B0) +### Http Call | 网络请求 -📋你可以直接复制到命令行运行**本地测试：** ```bash -curl --location --request POST 'http://localhost:6119/translate' --header 'Content-Type: application/json' --data '{"text": "你好，世界！", "source_lang": "zh", "target_lang": "en"}' +curl -X POST 'http://localhost:6119/translate' -H 'Content-Type: application/json' -d '{"text": "你好，世界！", "source_lang": "zh", "target_lang": "en"}' ``` -✨部署完成后，建议搭配浏览器插件「沉浸式翻译」一同使用。 +### Internal Call | 集成使用 -### NON-HTTP Call And example | 测试运行与内部调用 -🛠️你可以在不启动服务的情况下直接运行`npm test`用来测试翻译接口以及当前网络与DeepL的连通性。 -⚠️注意！测试仅返回翻译内容，获取所有结果需要使用`POST`！ +运行`npm test`来测试翻译接口。还可以集成到你的项目中来使用DeepL翻译服务。 -由于本项目并没有只局限于http协议的访问，所以完全可以集成到你的Serverless项目中来使用DeepL，下面是一个简单的调用示例： +简单的示例： ```javascript import { translate } from './translate.js'; -translate('你好，世界！', 'zh', 'en', 3) +translate('how are you?', 'en', 'zh', '', false, false) .then(result => { console.log(result) }); ``` -具体可以查看`test.js`，其中对调用函数的参数有详细说明。 - -## Use In Browser Extension Plugin | 在沉浸式翻译中使用 - -1. 在浏览器上安装最新的 [沉浸式翻译](https://github.com/immersive-translate/immersive-translate/releases)。 -2. 点击左下角的 "开发者设置"。启用测试版实验功能。 -3. 翻译服务选中 `DeepLX(beta)` -4. 设置 URL 为刚才获取的访问路径（需带translate）。 - -![沉浸式翻译](https://github.com/LegendLeo/deeplx-serverless/assets/25115173/d3affe2b-9e99-4d5c-bc8c-cd67e70d0368) - ## Star History | 收藏趋势 @@ -125,36 +87,16 @@ translate('你好，世界！', 'zh', 'en', 3) ## Contribute | 贡献 -> [!IMPORTANT] -> **如果您想要做出贡献，可以按照以下顺序操作：** -1. 先切换到`dev`分支，`pull`或者`fork`最新的代码。 -2. 提交并***签名***你的更改。(对提交进行签名可以防止冒名顶替) -3. 打开一个PR或多或少说明更改内容，接下来请等待合并。 - -本人因时间(和各种各样的)原因，可能无法及时对您的贡献进行测试，所以您可能还需要更多的**自行测试**。 - -如果你是第一次贡献，并且真的想贡献点什么，那么请查看[《如何为开源做贡献》](https://opensource.guide/how-to-contribute/)，我喜欢叫它「开源贡献指南」，那里有你需要知道的一切。 - -## License | 开源许可 -本项目遵循[GNU/AGPLv3](./LICENSE)许可证的条款发布。 - - Copyright (C) 2024 shiguobaona - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU Affero General Public License as published - by the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. +1. 获取`dev`或`main`分支的代码 +2. 提交你的更改并描述提交内容 +3. 打开一个`Pull Requests` - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more details. +如果你是第一次贡献，那么请查看[《如何为开源做贡献》](https://opensource.guide/how-to-contribute/) - You should have received a copy of the GNU Affero General Public License - along with this program. If not, see . +## Thanks | 感谢 -## Acknowledgments | 鸣谢 +它们是本项目的根本，没有它们就没有本项目。 -1. [OwO-Network/DeepLX](https://github.com/OwO-Network/DeepLX) - 感谢OwO-Network的优秀项目(•̀ᴗ•́)و̑̑ -2. [LegendLeo/deeplx-serverless](https://github.com/LegendLeo/deeplx-serverless) - 原项目 -3. [bropines/Deeplx-vercel](https://github.com/bropines/Deeplx-vercel) - 参考部分实现 +1. [OwO-Network/DeepLX](https://github.com/OwO-Network/DeepLX) +2. [LegendLeo/deeplx-serverless](https://github.com/LegendLeo/deeplx-serverless) +3. [bropines/Deeplx-vercel](https://github.com/bropines/Deeplx-vercel) diff --git a/functions/index.js b/functions/index.js deleted file mode 100644 index 1473f75..0000000 --- a/functions/index.js +++ /dev/null @@ -1,16 +0,0 @@ -import express from 'express'; -import fetch from 'node-fetch'; -import { post, get } from '../server.js'; - -const app = express(); - -app.post('/translate', async (req, res) => { - // 转发请求 - const response = await post(req, res); - - // 返回响应 - const data = await response.json(); - res.status(response.status).json(data); -}); - -app.get('/', async (req, res) => await get(req, res)); \ No newline at end of file diff --git a/netlify.toml b/netlify.toml deleted file mode 100644 index c98945c..0000000 --- a/netlify.toml +++ /dev/null @@ -1,2 +0,0 @@ -[build] - command = "npm install" diff --git a/package.json b/package.json index cb7ba8e..1835fd0 100644 --- a/package.json +++ b/package.json @@ -1,16 +1,9 @@ { "name": "deeplx-serverless", - "version": "2.1.0", + "version": "3.0.0", "description": "DeepL free API for Serverless", "type": "module", "main": "server.js", - "engines": { - "node": ">=18" - }, - "scripts": { - "start": "node server.js", - "test": "node test.js" - }, "keywords": [ "deeplxs", "deeplx", @@ -18,16 +11,24 @@ "translate", "serverless" ], - "license": "AGPL-3.0", + "author": "guobao2333", + "license": "MIT", + "engines": { + "node": ">=18" + }, + "scripts": { + "build:vercel": "mv src/* api/", + "start": "node src/server.js", + "test": "node test.js", + "start:sl": "node src/index.js", + "test:post": "node test_post.js" + }, "dependencies": { + "axios": "^1.7.4", + "cors": "^2.8.5", "dotenv": "^16.4.5", - "axios": "^1.6.3", "body-parser": "^1.20.2", - "cors": "^2.8.5", "express": "^4.18.2", - "lodash": "^4.17.21", - "node-fetch": "^3.3.2", - "random-int": "^3.0.0", "yargs": "^17.7.2" } } diff --git a/api/index.js b/src/index.js similarity index 81% rename from api/index.js rename to src/index.js index 1473f75..ab71388 100644 --- a/api/index.js +++ b/src/index.js @@ -1,6 +1,5 @@ import express from 'express'; -import fetch from 'node-fetch'; -import { post, get } from '../server.js'; +import { post, get } from './server.js'; const app = express(); diff --git a/server.js b/src/server.js similarity index 53% rename from server.js rename to src/server.js index 3fe2fc3..836047a 100644 --- a/server.js +++ b/src/server.js @@ -1,28 +1,29 @@ import express from 'express'; -import 'dotenv/config'; import cors from 'cors'; import bodyParser from 'body-parser'; import yargs from 'yargs/yargs'; import { hideBin } from 'yargs/helpers'; +import { brotliCompress, brotliDecompress } from 'zlib'; import { translate } from './translate.js'; +import'dotenv/config'; // 解析参数 const argv = yargs(hideBin(process.argv)) .option('port', { alias: 'p', - describe: '端口号', + describe: 'Service port number', coerce: check_port, default: Number(process.env.PORT) || 6119 }) .option('alt', { alias: 'a', - describe: '请求备选翻译', + describe: 'Allow request alternatives translation', type: 'boolean', default: Boolean(process.env.ALTERNATIVE) || true }) .option('cors', { alias: 'c', - describe: '允许跨域访问的源(origin)', + describe: 'Origin that allow cross-domain access', coerce: check_cors, default: process.env.CORS_ORIGIN || false }) @@ -40,64 +41,85 @@ const app = express(), preflightContinue: false }; -// 其他平台支持配置CORS，我就不兼容了 app.use(cors(CORS)); app.use(bodyParser.json()); -// 为了方便兼容多平台才这样写 app.post('/translate', async (req, res) => await post(req, res)); app.get('/', async (req, res) => await get(req, res)); async function post(req, res) { - const startTime = Date.now(); // 记录开始时间 + const startTime = Date.now(); + + let { text, source_lang, target_lang, alt_count } = req.body; + source_lang = source_lang.toUpperCase(); + target_lang = target_lang.toUpperCase(); // 检查请求体 - if (!req.body || Object.keys(req.body).length === 0) { + if (!req.body || !text || !target_lang || (alt_count !== undefined && typeof alt_count !== 'number')) { const duration = Date.now() - startTime; - console.log(`[LOG] ${new Date().toISOString()} | POST "translate" | 400 | Request body does not exist | ${duration}ms`); + console.log(`[WARN] ${new Date().toISOString()} | POST "translate" | 400 | Bad Request | ${duration}ms`); return res.status(400).json({ - "code": 400, - "message": "Bad Request" + code: 400, + message: "Bad Request" }); } - const { text, source_lang, target_lang, alt_count } = req.body; - // 是否允许备选翻译 if (!allowAlternative && alt_count !== undefined) { const duration = Date.now() - startTime; - console.log(`[LOG] ${new Date().toISOString()} | POST "translate" | 405 | Alt Not Allowed | ${duration}ms`); + console.log(`[LOG] ${new Date().toISOString()} | POST "translate" | 405 | Alternative Not Allowed | ${duration}ms`); return res.status(405).json({ - "code": 405, - "message": "Alternative Translate Not Allowed" + code: 405, + message: "Alternative Translate Not Allowed" }); - alt_count = 0; + // alt_count = 0; } try { - const result = await translate(text, source_lang, target_lang, alt_count); + const result = await translate(text, source_lang, target_lang); + // const result = await translate(text, source_lang, target_lang, alt_count); + /*result = brotliDecompress(result, (err, decompressedData) => { + if (err) console.error(err); + return decompressedData; + });*/ + const duration = Date.now() - startTime; // 计算处理时间 + // console.log(result); + if(result == "") { + console.error(`[ERROR] ${new Date().toISOString()} | POST "translate" | 500 | ${error.message} | ${duration}ms`); + res.status(500).json({ + code: 500, + message: "Translation failed", + error: result.statusText + }); + } console.log(`[LOG] ${new Date().toISOString()} | POST "translate" | 200 | ${duration}ms`); const responseData = { code: 200, - data: result.text, // 取第一个翻译结果 - id: Math.floor(Math.random() * 10000000000), // 生成一个随机 ID - method: 'Free', - source_lang, + id: result.id, + data: result.data, // 取第一个翻译结果 + method: "Free", + source_lang: result.source_lang, target_lang, alternatives: result.alternatives }; + /*brotliCompress(responseData, (err, compressedData) => { + if (err) { + console.error('压缩错误: '+err); + res.json(responseData); + } else res.json(compressedData); + });*/ + res.json(responseData); - } catch (error) { - const duration = Date.now() - startTime; - console.error(`[ERR] ${new Date().toISOString()} | POST "translate" | 500 | ${error.message} | ${duration}ms`); - res.status(500).json({ + } catch (err) { + console.error(err, err.stack); + return res.status(500).json({ code: 500, - message: 'Translation failed', - error: error.message + message: "Translation failed", + error: err.message }); } }; @@ -105,30 +127,28 @@ async function post(req, res) { async function get(req, res) { res.json({ code: 200, - message: "Welcome to the DeepL Free API. Please POST to '/translate'. This program is published in accordance with the terms of GNU/AGPLv3. Visit 'https://github.com/guobao2333/DeepLX-Serverless' for more information." + message: "Welcome to the DeepL Free API. Please POST to '/translate'. Visit 'https://github.com/guobao2333/DeepLX-Serverless' for more information." }); }; function check_cors(arg) { if (arg === undefined) return; - if (typeof arg === 'string' || typeof arg === 'boolean') { - return arg; - } + if (typeof arg === 'string' || typeof arg === 'boolean') return arg; + console.error("ParamTypeError: \x1b[33m'"+arg+"'\x1b[31m, origin should be Boolean or String.\n\x1b[0meg: \x1b[32m'*' or true or RegExp"); process.exit(1); } function check_port(arg) { - if (typeof arg === 'number' && !isNaN(arg) && Number.isInteger(arg) && arg >= 0 && arg <= 65535) { - return arg; - } - console.warn("WARNING:\x1b[0m port should be >= 0 and < 65536.\nUsed default value instead: 6119\n"); + if (typeof arg === 'number' && !isNaN(arg) && Number.isInteger(arg) && arg >= 0 && arg <= 65535) return arg; + + console.warn('WARNING:\x1b[0m port should be >= 0 and < 65536.\nUsed default value instead: 6119\n'); return 6119; } // 启动本地服务器 app.listen(PORT, () => { - console.log(`Server is running and listening on http://localhost:${PORT}`); + console.log(`Server is running and listening on http://localhost:${PORT}/translate`); }); export { post, get }; diff --git a/src/translate.js b/src/translate.js new file mode 100644 index 0000000..0efd34b --- /dev/null +++ b/src/translate.js @@ -0,0 +1,175 @@ +import axios from 'axios'; +import { brotliDecompress } from 'zlib'; + +const baseURL = 'https://www2.deepl.com', + proURL = 'https://api.deepl.com', + freeURL = 'https://api-free.deepl.com'; + +function formatPostString(postData) { + let body = JSON.stringify(postData), + str = ((body.id + 5) % 29 === 0 || (body.id + 3) % 13 === 0) ? '"method" : "' : '"method": "'; + body = body.replace('"method":"', str); + // console.log(body); + return body; +} + +async function sendRequest(postData, urlMethod, dlSession, printResult) { + const urlFull = `${baseURL}/jsonrpc?client=chrome-extension,1.28.0&method=${encodeURIComponent(urlMethod)}`; + + const headers = { + 'Content-Type': 'application/json', + "User-Agent": "DeepLBrowserExtension/1.28.0 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36", + "Accept": "*/*", + "Accept-Language": "en-US,en;q=0.9,zh-CN;q=0.8,zh-TW;q=0.7,zh-HK;q=0.6,zh;q=0.5", + "Authorization": "None", + "Cache-Control": "no-cache", + "DNT": "1", + "Origin": "chrome-extension://cofdbpoegempjloogbagkncekinflcnj", + "Pragma": "no-cache", + "Priority": "u=1, i", + "Referer": "https://www.deepl.com/", + "Sec-Fetch-Dest": "empty", + "Sec-Fetch-Mode": "cors", + "Sec-Fetch-Site": "none", + "Sec-GPC": "1", + ...(dlSession && {'Cookie': `dl_session=${dlSession}`}) + }; + postData = formatPostString(postData); + // console.log(postData); + + try { + const response = await axios.post(urlFull, postData, { + headers: headers + }); + // console.log(response.data); + + if (response.headers['content-encoding'] === 'br') { + const decompressed = brotliDecompress(response.data, (err, data) => { + if (err) console.error(err); + return data; + }); + return JSON.parse(decompressed.toString()); + } + return response.data; + } catch (err) { + console.error(err); + } +} + +async function splitText(text, tagHandling, dlSession, printResult) { + const postData = { + jsonrpc: '2.0', + method: 'LMT_split_text', + id: Math.floor(Math.random() * 1000000), + params: { + commonJobParams: { mode: 'translate' }, + lang: { lang_user_selected: 'auto' }, + texts: [text], + textType: tagHandling ? 'richtext' : 'plaintext' + } + }; + + return await sendRequest(postData, 'LMT_split_text', dlSession, printResult); +} + +// 执行翻译任务 +async function translate(text, sourceLang, targetLang, dlSession, tagHandling, printResult) { + try { + if (!text) { + throw new Error('No text to translate'); + } + + // 分割文本 + const splitResult = await splitText(text, tagHandling === 'html' || tagHandling === 'xml', dlSession, printResult); + // console.log(splitResult); + + if (splitResult.code == 429) { + throw { + code: splitResult.code, + message: splitResult.data.error + } + } + + // 获取检测到的语言 + if (sourceLang === 'auto' || sourceLang === '') { + sourceLang = splitResult.result.lang.detected.toLowerCase(); + } + + // 准备翻译任务 + const chunks = splitResult.result.texts[0].chunks, + jobs = chunks.map((chunk, index) => { + const sentence = chunk.sentences[0], + contextBefore = index > 0 ? [chunks[index - 1].sentences[0].text] : [], + contextAfter = index < chunks.length - 1 ? [chunks[index + 1].sentences[0].text] : []; + + return { + kind: 'default', + preferred_num_beams: 4, + raw_en_context_before: contextBefore, + raw_en_context_after: contextAfter, + sentences: [{ + prefix: sentence.prefix, + text: sentence.text, + id: index + 1 + }] + }; + }); + + const hasRegionalVariant = targetLang.includes('-'), + targetLangCode = hasRegionalVariant ? targetLang.split('-')[0] : targetLang; + + const postData = { + jsonrpc: '2.0', + method: 'LMT_handle_jobs', + id: Math.floor(Math.random() * 1000000), // 随机ID + params: { + commonJobParams: { + mode: 'translate', + ...(hasRegionalVariant && { regional_variant: targetLang }) + }, + lang: { + source_lang_computed: sourceLang.toUpperCase(), + target_lang: targetLangCode.toUpperCase() + }, + // jobs: [{kind:"default",sentences:[{text:text,id:1,prefix:""}],raw_en_context_before:[],raw_en_context_after:[],preferred_num_beams:1}], + jobs: jobs, + priority: 1, + timestamp: Date.now() + } + }; + + const response = await sendRequest(postData, 'LMT_handle_jobs', dlSession, printResult); + + let alternatives = [], translatedText = ''; + + // 获取备选翻译 + if (response.result.translations.length > 0) { + response.result.translations[0].beams.forEach(beam => { + alternatives.push(beam.sentences[0].text); + }); + } + // 获取翻译 + translatedText = response.result.translations[0].beams[0].sentences[0].text; + alternatives.shift(); + + if (!translatedText) { + throw new Error('Translation failed'); + } + + const ret = { + code: 200, + id: postData.id, + method: "Free", + data: translatedText, + alternatives: alternatives, + source_lang: sourceLang.toUpperCase(), + target_lang: targetLang.toUpperCase() + } + if(printResult) console.log(ret); + return ret; + } catch(err) { + return err; + } +} + +export { translate }; \ No newline at end of file diff --git a/src/translate_old.js b/src/translate_old.js new file mode 100644 index 0000000..40951f8 --- /dev/null +++ b/src/translate_old.js @@ -0,0 +1,130 @@ +// 由于代码已重构，此实现暂时停用，部分旧实现将会陆续合并到新的实现，以确保向前兼容 + +import axios from 'axios'; +import { brotliDecompress } from 'zlib'; + +const DEEPL_BASE_URL = 'https://www2.deepl.com/jsonrpc'/*, + DEEPL_PRO_URL = 'https://api.deepl.com', + DEEPL_FREE_URL = 'https://api-free.deepl.com'*/; +const headers = { + "Accept": "*/*", + "Accept-Language": "en-US,en;q=0.9,zh-CN;q=0.8,zh-TW;q=0.7,zh-HK;q=0.6,zh;q=0.5", + "Authorization": "None", + "Cache-Control": "no-cache", + "Content-Type": "application/json", + "DNT": "1", + "Origin": "chrome-extension://cofdbpoegempjloogbagkncekinflcnj", + "Pragma": "no-cache", + "Priority": "u=1, i", + "Referer": "https://www.deepl.com/", + "Sec-Fetch-Dest": "empty", + "Sec-Fetch-Mode": "cors", + "Sec-Fetch-Site": "none", + "Sec-GPC": "1", + "User-Agent": "DeepLBrowserExtension/1.28.0 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36" +}; + +function getICount(translateText) { + return (translateText || '').split('i').length - 1; +} + +function getRandomInt(min=8300000, max=8399998) { + min = Math.ceil(min); + max = Math.floor(max); + return (Math.floor(Math.random() * (max - min + 1)) + min) * 1000; +} + +function getTimestamp(iCount) { + const ts = Date.now(); + if (iCount === 0) { + return ts; + } + iCount++; + return ts - (ts % iCount) + iCount; +} + +/** + * 你可以在其他js中调用，无需运行 'npm start' + * 如果无需在控制台打印，最后一个布尔值参数可以去掉 + * + * @async + * @param {string} text - 待翻译的文本 + * @param {string} [sourceLang='AUTO'] - 源语言国家/地区代号 默认自动识别 + * @param {string} targetLang - 目标语言国家/地区代号 + * @param {number} [alternativeCount] - 请求的备选翻译数量 + * @param {boolean} [printResult] - 控制台打印返回结果 + * @returns {Promise} translationData - 返回翻译数据JSON对象 + * @typedef {Object} translationData + * @property {number} code - http状态码 + * @property {string} data - 翻译结果 + * @property {number} id + * @property {string} method - 请求的接口类型 目前只有Free + * @property {string} source_lang - 源语言国家/地区代号 + * @property {string} target_lang - 目标语言国家/地区代号 + * @property {Array} alternatives - 备选翻译列表 + * @example + * await translate('你好，世界！', 'zh', 'en', 3, true); + */ +async function translate( + text, + sourceLang, + targetLang, + alternativeCount = 0, + printResult = false, +) { + const iCount = getICount(text), + id = getRandomInt(); + + alternativeCount = Math.max(Math.min(3, alternativeCount), 0); + + let postData = { + jsonrpc: "2.0", + method: "LMT_split_text", + params: { + texts: [text], + commonJobParams: { + mode: "translate", + textType: "plaintext" + }, + lang: { lang_user_selected: "auto" } + }, + id: id + }; + + postData = JSON.stringify(postData); + if ((id + 5) % 29 === 0 || (id + 3) % 13 === 0) { + postData = postData.replace('"method":"', '"method" : "'); + } else { + postData = postData.replace('"method":"', '"method": "'); + } + + try { + const response = await axios.post(DEEPL_BASE_URL + '?method=LMT_split_text', postData, { + headers: headers, + }); + + if (response.status === 429) { + throw new Error('Too many requests, your IP has been blocked by DeepL temporarily, please don\'t request it frequently in a short time.'); + } + + if (response.status !== 200) { + throw new Error(`Error code: ${response.status}\nError message: ${response.statusText}`); + } + + // console.log(response.data); + + const result = { + detected_source_language: sourceLang.toUpperCase(), + data: response.data.result.texts[0].chunks[0].sentences[0].text, + // alternatives: response.data.result.texts[0].alternatives.map(alternative => alternative.text), + method: "Free" + }; + if(printResult) console.log(result); + return result; + } catch (err) { + console.error(err, err.stack); + throw err; + } +} + +export { translate }; diff --git a/test.js b/test.js index b1fbac7..67e2bde 100644 --- a/test.js +++ b/test.js @@ -1,26 +1,5 @@ -import { translate } from './translate.js'; +import { translate } from './src/translate.js'; (async () => { -/** - * 一个示例调用，用于非http协议的服务内调用 - * 你可以在其他js中调用，无需运行 'npm start' - * 如果无需在控制台打印，最后一个布尔值参数可以去掉 - * - * @async - * @param {string} text - 待翻译的文本 - * @param {string} [sourceLang='AUTO'] - 源语言国家/地区代号 默认自动识别 - * @param {string} targetLang - 目标语言国家/地区代号 - * @param {number} [alternativeCount] - 请求的备选翻译数量 - * @param {boolean} [printResult] - 控制台打印返回结果 - * @returns {Promise} translationData - 返回翻译数据JSON对象 - * @typedef {Object} translationData - * @property {number} code - http状态码 - * @property {string} data - 翻译结果 - * @property {number} id - * @property {string} method - 请求的接口类型 目前只有Free - * @property {string} source_lang - 源语言国家/地区代号 - * @property {string} target_lang - 目标语言国家/地区代号 - * @property {Array} alternatives - 备选翻译列表 - */ - await translate('你好，世界！', 'zh', 'en', 3, true); + await translate('how are you?', 'en', 'zh', '', false, true); })(); diff --git a/test_post.js b/test_post.js new file mode 100644 index 0000000..d6ba0c1 --- /dev/null +++ b/test_post.js @@ -0,0 +1,16 @@ +import axios from 'axios'; + +axios.post('http://localhost:6119/translate', { + "text": "hello, world!", + "source_lang": "en", + "target_lang": "zh", + "alt_count": 2 +}, { + headers: {"Content-Type": "application/json"} +}) +.then(response => { + console.log(response.data); +}) +.catch(err => { + console.error(err); +}); \ No newline at end of file diff --git a/translate.js b/translate.js deleted file mode 100644 index a4eab01..0000000 --- a/translate.js +++ /dev/null @@ -1,118 +0,0 @@ -import axios from 'axios'; -import lodash from 'lodash'; -const { random } = lodash; - -const DEEPL_BASE_URL = 'https://www2.deepl.com/jsonrpc'/*, - DEEPL_PRO_URL = 'https://api.deepl.com', - DEEPL_FREE_URL = 'https://api-free.deepl.com'*/; -const headers = { - 'Content-Type': 'application/json', - Accept: '*/*', - 'x-app-os-name': 'iOS', - 'x-app-os-version': '16.3.0', - 'Accept-Language': 'en-US,en;q=0.9', - 'Accept-Encoding': 'gzip, deflate, br', - 'x-app-device': 'iPhone13,2', - 'User-Agent': 'DeepL-iOS/2.9.1 iOS 16.3.0 (iPhone13,2)', - 'x-app-build': '510265', - 'x-app-version': '2.9.1', - Connection: 'keep-alive', -}; - -function getICount(translateText) { - return (translateText || '').split('i').length - 1; -} - -function getRandomNumber() { - return random(8300000, 8399998) * 1000; -} - -function getTimestamp(iCount) { - const ts = Date.now(); - if (iCount === 0) { - return ts; - } - iCount++; - return ts - (ts % iCount) + iCount; -} - -/** - * @async - * @param {string} text - 待翻译的文本 - * @param {string} [sourceLang='AUTO'] - 源语言国家/地区代号 默认自动识别 - * @param {string} targetLang - 目标语言国家/地区代号 - * @param {number} [alternativeCount] - 请求的备选翻译数量 - * @param {boolean} [printResult] - 控制台打印返回结果 - * @returns {Promise} translationData - 返回翻译数据JSON对象 - * @typedef {Object} translationData - * @property {number} code - http状态码 - * @property {string} data - 翻译结果 - * @property {number} id - * @property {string} method - 请求的接口类型 目前只有Free - * @property {string} source_lang - 源语言国家/地区代号 - * @property {string} target_lang - 目标语言国家/地区代号 - * @property {Array} alternatives - 备选翻译列表 - */ -async function translate( - text = 'Error: The original text cannot be empty!', - sourceLang = 'AUTO', - targetLang = 'ZH', - alternativeCount = 0, - printResult = false, -) { - const iCount = getICount(text); - const id = getRandomNumber(); - - alternativeCount = Math.max(Math.min(3, alternativeCount), 0); - - const postData = { - jsonrpc: '2.0', - method: 'LMT_handle_texts', - id: id, - params: { - texts: [{ text: text, requestAlternatives: alternativeCount }], - splitting: 'newlines', - lang: { - source_lang_user_selected: sourceLang.toUpperCase(), - target_lang: targetLang.toUpperCase(), - }, - timestamp: getTimestamp(iCount), - }, - }; - - let postDataStr = JSON.stringify(postData); - - if ((id + 5) % 29 === 0 || (id + 3) % 13 === 0) { - postDataStr = postDataStr.replace('"method":"', '"method" : "'); - } else { - postDataStr = postDataStr.replace('"method":"', '"method": "'); - } - - try { - const response = await axios.post(DEEPL_BASE_URL, postDataStr, { - headers: headers, - }); - - if (response.status === 429) { - throw new Error(`Too many requests, your IP has been blocked by DeepL temporarily, please don't request it frequently in a short time.`); - } - - if (response.status !== 200) { - console.error('Error', response.status); - return; - } - - const result = { - text: response.data.result.texts[0].text, - alternatives: response.data.result.texts[0].alternatives.map(alternative => alternative.text) - }; - if (printResult) { - console.log(result+'\n'); - } - return result; - } catch (err) { - console.error(err, err.stack); - } -} - -export { translate }; diff --git a/vercel.json b/vercel.json index d828cc4..d5f71b3 100644 --- a/vercel.json +++ b/vercel.json @@ -1,4 +1,12 @@ { + "builds": [ + { + "src": "package.json", + "use": "@vercel/node", + "config": { "zeroConfig": false } + } + ], + "outputDirectory": "api", "rewrites": [ { "source": "/(.*)", "destination": "/api/index.js" } ]