2018-10-10 22:03:03 +00:00
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---
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id: 5895f70cf9fc0f352b528e65
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2021-03-22 13:52:28 +00:00
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title: 设置 Passport
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2018-10-10 22:03:03 +00:00
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challengeType: 2
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2020-09-17 10:49:58 +00:00
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forumTopicId: 301565
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2021-01-13 02:31:00 +00:00
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dashedName: set-up-passport
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2018-10-10 22:03:03 +00:00
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---
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2020-12-16 07:37:30 +00:00
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# --description--
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2020-09-17 10:49:58 +00:00
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2021-03-22 13:52:28 +00:00
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现在我们来创建 *Passport*,最终我们需要用它来实现用户注册和登录。 除了 Passport,我们还会用 Express-session 来处理 session(会话)。 在客户端,我们可以用这个中间件把 session id 储存到 cookie。同时,我们可以在服务器上通过这个 id 访问 session 数据。 通过这种方式,我们无需把用户的个人账号信息存到 cookie,来完成用户的验证。只需要用这个 id 作为 *key* 来访问服务器上用户的数据即可。
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2020-09-17 10:49:58 +00:00
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2021-03-22 13:52:28 +00:00
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为了在你的项目中使用 Passport,首先你需要在 package.json 文件中添加依赖: `"passport": "^0.3.2"`。
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2020-09-17 10:49:58 +00:00
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2021-03-22 13:52:28 +00:00
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此外,还需要添加 Express-session 作为依赖。 Express-session 有许多高级特性,但我们暂时只需要了解其基础功能。 `"express-session": "^1.15.0"`
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2020-09-17 10:49:58 +00:00
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2021-03-22 13:52:28 +00:00
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现在,我们需要配置 session 并初始化 Passport。 请先创建变量 “session” 和 “passport” 来分别引入 “express-session” 和 “passport”。
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2020-09-17 10:49:58 +00:00
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2021-03-22 13:52:28 +00:00
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为了让 express 应用可以使用 session,我们需要添加一些基础选项。 请在 .env 文件中添加字段 “SESSION_SECRET”,并给它赋一个随机值, 便于加密 cookie、计算哈希。
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2020-09-17 10:49:58 +00:00
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```js
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app.use(session({
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secret: process.env.SESSION_SECRET,
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resave: true,
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saveUninitialized: true,
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cookie: { secure: false }
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}));
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```
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2021-03-22 13:52:28 +00:00
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还有,我们需要让 express **使用** “passport.initialize()” 和 “passport.session()”。 (例如,`app.use(passport.initialize());`)。
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2020-09-17 10:49:58 +00:00
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2021-03-22 13:52:28 +00:00
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完成上述要求后,请提交你的页面链接。 如果你遇到了问题,可以参考[这里](https://gist.github.com/camperbot/4068a7662a2f9f5d5011074397d6788c)的答案。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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# --hints--
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2020-09-17 10:49:58 +00:00
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2021-03-22 13:52:28 +00:00
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应添加 Passort 和 express-session 作为依赖。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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(getUserInput) =>
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$.get(getUserInput('url') + '/_api/package.json').then(
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(data) => {
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var packJson = JSON.parse(data);
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assert.property(
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packJson.dependencies,
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'passport',
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'Your project should list "passport" as a dependency'
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);
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assert.property(
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packJson.dependencies,
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'express-session',
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'Your project should list "express-session" as a dependency'
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);
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},
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(xhr) => {
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throw new Error(xhr.statusText);
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}
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);
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```
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2018-10-10 22:03:03 +00:00
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2021-03-22 13:52:28 +00:00
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依赖应正确引入。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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(getUserInput) =>
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$.get(getUserInput('url') + '/_api/server.js').then(
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(data) => {
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assert.match(
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data,
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/require.*("|')passport("|')/gi,
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'You should have required passport'
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);
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assert.match(
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data,
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/require.*("|')express-session("|')/gi,
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'You should have required express-session'
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);
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},
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(xhr) => {
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throw new Error(xhr.statusText);
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}
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);
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2018-10-10 22:03:03 +00:00
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```
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2021-03-22 13:52:28 +00:00
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Express app 可以使用新的依赖。
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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```js
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(getUserInput) =>
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$.get(getUserInput('url') + '/_api/server.js').then(
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(data) => {
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assert.match(
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data,
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/passport.initialize/gi,
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'Your express app should use "passport.initialize()"'
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);
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assert.match(
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data,
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/passport.session/gi,
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'Your express app should use "passport.session()"'
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);
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},
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(xhr) => {
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throw new Error(xhr.statusText);
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}
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);
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```
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2018-10-10 22:03:03 +00:00
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2021-03-22 13:52:28 +00:00
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应正确设置 session 和 session secret。
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2018-10-10 22:03:03 +00:00
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```js
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2020-12-16 07:37:30 +00:00
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(getUserInput) =>
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$.get(getUserInput('url') + '/_api/server.js').then(
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(data) => {
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assert.match(
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data,
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/secret:( |)process.env.SESSION_SECRET/gi,
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'Your express app should have express-session set up with your secret as process.env.SESSION_SECRET'
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);
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},
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(xhr) => {
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throw new Error(xhr.statusText);
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}
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);
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2018-10-10 22:03:03 +00:00
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```
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2020-08-13 15:24:35 +00:00
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2020-12-16 07:37:30 +00:00
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# --solutions--
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2021-01-13 02:31:00 +00:00
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```js
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/**
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Backend challenges don't need solutions,
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because they would need to be tested against a full working project.
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Please check our contributing guidelines to learn more.
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*/
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```
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