From 75fb1be88e4efe8562c596a7671db1b48f4dc331 Mon Sep 17 00:00:00 2001 From: Liang Jian Date: Fri, 3 Dec 2021 15:19:25 +0800 Subject: [PATCH 1/2] #1 submit obs-form-upload demo --- .gitignore | 4 + demos/obs-form-upload/demoCorsBlocked.html | 42 ++ demos/obs-form-upload/index.html | 83 ++++ demos/obs-form-upload/modules/index.mjs | 75 ++++ demos/obs-form-upload/modules/utils.mjs | 51 +++ package-lock.json | 485 +++++++++++++++++++++ package.json | 19 + server/bin/start.js | 1 + server/src/server.js | 19 + 9 files changed, 779 insertions(+) create mode 100644 .gitignore create mode 100644 demos/obs-form-upload/demoCorsBlocked.html create mode 100644 demos/obs-form-upload/index.html create mode 100644 demos/obs-form-upload/modules/index.mjs create mode 100644 demos/obs-form-upload/modules/utils.mjs create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 server/bin/start.js create mode 100644 server/src/server.js diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..eb6d4d9 --- /dev/null +++ b/.gitignore @@ -0,0 +1,4 @@ +.vscode +.idea +node_modules +*.log \ No newline at end of file diff --git a/demos/obs-form-upload/demoCorsBlocked.html b/demos/obs-form-upload/demoCorsBlocked.html new file mode 100644 index 0000000..1de50da --- /dev/null +++ b/demos/obs-form-upload/demoCorsBlocked.html @@ -0,0 +1,42 @@ + + + + + + + + OBS Form Upload Demo + + + + +

OBS Form Upload Demo

+ +
+
+
+
File
+ +
+
+
Filename
+ +
+
+
+ +
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/demos/obs-form-upload/index.html b/demos/obs-form-upload/index.html new file mode 100644 index 0000000..dc26baf --- /dev/null +++ b/demos/obs-form-upload/index.html @@ -0,0 +1,83 @@ + + + + + + + Document + + + +
+ Object key + + +

+ ACL + + +

+ Content-Type + + +

+ + + + + + + + + +

+ + + + + + + + \ No newline at end of file diff --git a/demos/obs-form-upload/modules/index.mjs b/demos/obs-form-upload/modules/index.mjs new file mode 100644 index 0000000..77e11a9 --- /dev/null +++ b/demos/obs-form-upload/modules/index.mjs @@ -0,0 +1,75 @@ +import { getAuthorization, upload } from './utils.mjs' + + +// Token infos +const ak = 'WDALORESWVT2VV8TELEG' +const obsBucketName = 'dtse-public-project' +const endpoint = 'https://obs.cn-south-1.myhuaweicloud.com/' +const xObsAcl = 'public-read' + + +// submit handler binding +const form = document.getElementById('uploadForm') +form.onsubmit = async (ev) => { + ev.preventDefault() + + const fileElement = document.getElementsByName('file')[0] + const filenameElement = document.getElementsByName('filename')[0] + + const file = fileElement.files[0] + const filename = filenameElement.value + const authorizationData = await getAuthorization() + + uploadFile(file, { + filename, + ak, + authorizationData, + obsBucketName, + endpoint, + xObsAcl, + }) +} + + +/** + * submit handler + * @param {*} file + * @param {*} options.filename + * @param {*} options.ak + * @param {*} options.authorizationData + * @param {*} options.obsBucketName + * @param {*} options.endpoint + * @param {*} options.xObsAcl + */ +async function uploadFile(file, { + filename, + ak, + authorizationData, + obsBucketName, + endpoint, + xObsAcl, +}) { + let formData = new FormData() + + // 以下键值顺序不能变更，变更调不通接口 + formData.append('key', filename) + formData.append('x-obs-acl', xObsAcl) // set same value as your backend + formData.append('content-type', 'text/plain') // set same value as your backend + formData.append('policy', authorizationData.policy) + formData.append('AccessKeyId', ak) + formData.append('signature', authorizationData.signature) + formData.append('file', file) + + const result = await upload(formData, { + obsBucketName, + endpoint, + }) + if (result?.status === 204) { + alert('Upload successfully!') + console.log('Upload successfully!', result) + } + else { + alert('Upload failed!') + console.error('Upload failed!', result) + } +} diff --git a/demos/obs-form-upload/modules/utils.mjs b/demos/obs-form-upload/modules/utils.mjs new file mode 100644 index 0000000..3f80b44 --- /dev/null +++ b/demos/obs-form-upload/modules/utils.mjs @@ -0,0 +1,51 @@ +/** + * Get signature and policy, for authorization. + * @description policy and signature from your backend method ObsClient.createPostSignature + * @returns Promise, including authorization data + */ +export async function getAuthorization() { + return axios.get('/obs') + .then((res) => { + if (res.status < 300 && res.data?.code == 200) { + console.log('Authorization data:', res.data?.data) + return res.data?.data || {} + } + else { + return Promise.reject(res) + } + }) + .catch(error => { + console('请求失败', error) + }) +} + +/** + * Upload file + * @param {*} formData FormData with file, policy and signature. + * @param {*} options.obsBucketName OBS bucket name + * @param {*} options.endpoint OBS endpoint for your zone + * @returns Promsie + */ +export async function upload(formData, { + obsBucketName, endpoint +}) { + // 'https://dtse-public-project.obs.cn-south-1.myhuaweicloud.com/' + const baseURL = getUploadURL(obsBucketName, endpoint) + return axios.post('/', formData, { + baseURL, + ContentType: 'multipart/form-data', + }) +} + +/** + * Splicing bucket name and endpoint together, eg: "http://bucketname.your-endpoint/" + * @param {*} obsBucketName OBS bucket name + * @param {*} endPoint OBS endpoint for your zone + * @returns upload request url + */ +export function getUploadURL(obsBucketName, endpoint) { + let url = endpoint + url = url.replace(/(https?:\/\/)/g, '$1' + obsBucketName + '.') + console.log('baseURL:', url) + return url +} diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..b5eeca3 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,485 @@ +{ + "name": "obsform-upload-demo-frontend", + 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"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", + "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=" + }, + "utils-merge": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz", + "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=" + }, + "vary": { + "version": "1.1.2", + "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", + "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=" + } + } +} diff --git a/package.json b/package.json new file mode 100644 index 0000000..d7e342d --- /dev/null +++ b/package.json @@ -0,0 +1,19 @@ +{ + "name": "obsform-upload-demo-frontend", + "version": "1.0.0", + "description": "#### Description 表单数据上传至华为云OBS前端代码", + "main": "index.js", + "scripts": { + "start": "node ./server/bin/start" + }, + "repository": { + "type": "git", + "url": "git@gitee.com:DTSEDeveloper/obsform-upload-demo-frontend.git" + }, + "author": "", + "license": "ISC", + "dependencies": { + "express": "^4.17.1", + "http-proxy-middleware": "^2.0.1" + } +} diff --git a/server/bin/start.js b/server/bin/start.js new file mode 100644 index 0000000..41c0e87 --- /dev/null +++ b/server/bin/start.js @@ -0,0 +1 @@ +require('../src/server') \ No newline at end of file diff --git a/server/src/server.js b/server/src/server.js new file mode 100644 index 0000000..6104e20 --- /dev/null +++ b/server/src/server.js @@ -0,0 +1,19 @@ +const express = require('express') +const { createProxyMiddleware } = require('http-proxy-middleware') +const app = express() +const PORT = 3000 + +// serve fo tatic files +app.use(express.static('demos')) + +// '/api' proxy +app.use('/obs', createProxyMiddleware({ + target: 'http://116.63.69.85:8080', + changeOrigin: true, +})); + + +app.listen(PORT, (error) => { + if (error) console.log(error) + console.log(`You service is running at http://localhost:${PORT}`) +}) -- Gitee From 78f1fad07b47c6713b388bd569bb657b7c04e549 Mon Sep 17 00:00:00 2001 From: Liang Jian Date: Fri, 3 Dec 2021 16:52:44 +0800 Subject: [PATCH 2/2] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20README=20=E6=96=87?= =?UTF-8?q?=E6=A1=A3?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- README.md | 45 ++++++++++++++++++--------------- demos/obs-form-upload/README.md | 3 +++ 2 files changed, 28 insertions(+), 20 deletions(-) create mode 100644 demos/obs-form-upload/README.md diff --git a/README.md b/README.md index f81f2dd..25afec4 100644 --- a/README.md +++ b/README.md @@ -1,27 +1,37 @@ # OBSFormUploadDemo-frontend -#### 介绍 -表单数据上传至华为云OBS前端代码 - +## 介绍 +表单数据上传至华为云OBS前端代码 -#### 软件架构 +## 软件架构 软件架构说明 -#### 安装教程 +## 安装教程 -1. xxxx -2. xxxx -3. xxxx +1. 在本地安装 node +2. 进入项目文件夹安装 npm 依赖 +```bash +npm install +``` -#### 使用说明 +## demo 使用说明 -1. xxxx -2. xxxx -3. xxxx +1. 启动服务 +``` +npm start +``` +2. 在浏览器中打开 http://localhost:3000/obs-form-upload +3. 选择文件填写文件名上传 -#### 参与贡献 + +## demo 问题说明 +1. /demo/obs-form-upload/index.html 中的页面表单上传实例存在问题，浏览器发送的表单内容不能通过 JavaScript 获取到，导致无法得到上传结果； +2. /demo/obs-form-upload/demoCorsBlocked.html 中的方法是通过 axios 构建表单进行 XMLHttpRequest 请求，但因为跨域导致不能正常获取上传结果； +3. 以上两种方法都能成功上传，但无法得到上传结果。 + +## 参与贡献 1. Fork 本仓库 2. 新建 Feat_xxx 分支 @@ -29,11 +39,6 @@ 4. 新建 Pull Request -#### 特技 +## 特技 -1. 使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md -2. Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com) -3. 你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目 -4. [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目，是综合评定出的优秀开源项目 -5. Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help) -6. Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/) +1. 使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.mdGitee 上的优秀开源项目 diff --git a/demos/obs-form-upload/README.md b/demos/obs-form-upload/README.md new file mode 100644 index 0000000..383a065 --- /dev/null +++ b/demos/obs-form-upload/README.md @@ -0,0 +1,3 @@ +## 1. demo 文件夹，用 `npm start` 命令运行服务后，打开本连地址 http://localhost:3000/obs-form-upload 即可访问。 + +## 2. /obs 请求用于从服务端获取 signature/policy 等信息，但服务器未设置允许跨域，所以在本地使用了代理 \ No newline at end of file -- Gitee