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154 lines
3.9 KiB
Markdown
154 lines
3.9 KiB
Markdown
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[English](jwt-auth.md)
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# 目录
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- [**名字**](#名字)
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- [**属性**](#属性)
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- [**如何启用**](#如何启用)
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- [**测试插件**](#测试插件)
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- [**禁用插件**](#禁用插件)
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## 名字
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`jwt-auth` 是一个认证插件，它需要与 `consumer` 一起配合才能工作。
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添加 JWT Authentication 到一个 `service` 或 `route`。 然后，`consumer` 将其密钥添加到查询字符串参数、请求头或 `cookie` 中以验证其请求。
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有关 JWT 的更多信息，可移步 [JWT](https://jwt.io/) 查看更多信息。
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## 属性
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* `key`: 不同的 `consumer` 对象应有不同的值，它应当是唯一的。不同 consumer 使用了相同的 `key` ，将会出现请求匹配异常。
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* `secret`: 可选字段，加密秘钥。如果您未指定，后台将会自动帮您生成。
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* `algorithm`：可选字段，加密算法。目前支持 `HS256`, `HS384`, `HS512`, `RS256` 和 `ES256`，如果未指定，则默认使用 `HS256`。
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* `exp`: 可选字段，token 的超时时间，以秒为单位的计时。比如有效期是 5 分钟，那么就应设置为 `5 * 60 = 300`。
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## 如何启用
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1. 创建一个 consumer 对象，并设置插件 `jwt-auth` 的值。
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```shell
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curl http://127.0.0.1:9080/apisix/admin/consumers -X PUT -d '
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{
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"username": "jack",
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"plugins": {
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"jwt-auth": {
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"key": "user-key",
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"secret": "secret-key"
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}
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}
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}'
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```
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2. 创建 route 或 service 对象，并开启 `jwt-auth` 插件。
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```shell
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curl http://127.0.0.1:9080/apisix/admin/routes/1 -X PUT -d '
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{
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"methods": ["GET"],
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"uri": "/index.html",
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"plugins": {
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"jwt-auth": {}
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},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"39.97.63.215:80": 1
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}
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}
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}'
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```
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## Test Plugin
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#### 首先进行登录获取 `jwt-auth` token:
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```shell
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$ curl http://127.0.0.2:9080/apisix/plugin/jwt/sign?key=user-key -i
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HTTP/1.1 200 OK
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Date: Wed, 24 Jul 2019 10:33:31 GMT
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Content-Type: text/plain
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Transfer-Encoding: chunked
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Connection: keep-alive
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Server: APISIX web server
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eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTU2NDA1MDgxMX0.Us8zh_4VjJXF-TmR5f8cif8mBU7SuefPlpxhH0jbPVI
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```
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#### 使用获取到的 token 进行请求尝试
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* 缺少 token
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```shell
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$ curl http://127.0.0.2:9080/index.html -i
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HTTP/1.1 401 Unauthorized
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...
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{"message":"Missing JWT token in request"}
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```
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* token 放到请求头中：
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```shell
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$ curl http://127.0.0.2:9080/index.html -H 'Authorization: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTU2NDA1MDgxMX0.Us8zh_4VjJXF-TmR5f8cif8mBU7SuefPlpxhH0jbPVI' -i
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HTTP/1.1 200 OK
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Content-Type: text/html
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Content-Length: 13175
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...
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Accept-Ranges: bytes
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<!DOCTYPE html>
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<html lang="cn">
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...
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```
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* token 放到请求参数中：
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```shell
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$ curl http://127.0.0.2:9080/index.html?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTU2NDA1MDgxMX0.Us8zh_4VjJXF-TmR5f8cif8mBU7SuefPlpxhH0jbPVI -i
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HTTP/1.1 200 OK
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Content-Type: text/html
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Content-Length: 13175
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...
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Accept-Ranges: bytes
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<!DOCTYPE html>
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<html lang="cn">
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...
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```
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* token 放到 cookie 中：
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```shell
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$ curl http://127.0.0.2:9080/index.html --cookie jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTU2NDA1MDgxMX0.Us8zh_4VjJXF-TmR5f8cif8mBU7SuefPlpxhH0jbPVI -i
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HTTP/1.1 200 OK
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Content-Type: text/html
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Content-Length: 13175
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...
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Accept-Ranges: bytes
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<!DOCTYPE html>
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<html lang="cn">
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...
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```
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## 禁用插件
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当你想去掉 `jwt-auth` 插件的时候，很简单，在插件的配置中把对应的 `json` 配置删除即可，无须重启服务，即刻生效：
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```shell
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$ curl http://127.0.0.1:2379/v2/keys/apisix/routes/1 -X PUT -d value='
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{
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"methods": ["GET"],
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"uri": "/index.html",
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"id": 1,
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"plugins": {
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},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"39.97.63.215:80": 1
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}
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}
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}'
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```
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