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[中文 ](jwt-auth-cn.md )
# Summary
- [**Name** ](#name )
- [**Attributes** ](#attributes )
- [**How To Enable** ](#how-to-enable )
- [**Test Plugin** ](#test-plugin )
- [**Disable Plugin** ](#disable-plugin )
## Name
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`jwt-auth` is an authentication plugin that need to work with `consumer` . Add JWT Authentication to a `service` or `route` .
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The `consumer` then adds its key to the query string parameter, request header, or `cookie` to verify its request.
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For more information on JWT, refer to [JWT ](https://jwt.io/ ) for more information.
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## Attributes
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* `key` : different `consumer` have different value, it's unique. different `consumer` use the same `key` , and there will be a request matching exception.
* `secret` : optional, encryption key. if you do not specify, the value is auto-generated in the background.
* `algorithm` : optional, encryption algorithm .support`HS256`, `HS384` , `HS512` , `RS256` and `ES256` ,`HS256` is default.
* `exp` : optional, token's expire time, the unit is second. for example, 5 minutes, need to set the value of 300.( 5 * 60 = 300 ).
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## How To Enable
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1. set a consumer and config the value of the `jwt-auth` option
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```shell
curl http://127.0.0.1:9080/apisix/admin/consumers -X PUT -d '
{
"username": "jack",
"plugins": {
"jwt-auth": {
"key": "user-key",
"secret": "my-secret-key"
}
}
}'
```
you can visit Dashboard `http://127.0.0.1:9080/apisix/dashboard/` and add a Consumer through the web console:
then add jwt-auth plugin in the Consumer page:
2. add a Route or add a Service , and enable the `jwt-auth` plugin
```shell
curl http://127.0.0.1:9080/apisix/admin/routes/1 -X PUT -d '
{
"methods": ["GET"],
"uri": "/index.html",
"plugins": {
"jwt-auth": {}
},
"upstream": {
"type": "roundrobin",
"nodes": {
"39.97.63.215:80": 1
}
}
}'
```
## Test Plugin
#### get the token in `jwt-auth` plugin:
```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
Date: Wed, 24 Jul 2019 10:33:31 GMT
Content-Type: text/plain
Transfer-Encoding: chunked
Connection: keep-alive
Server: APISIX web server
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTU2NDA1MDgxMX0.Us8zh_4VjJXF-TmR5f8cif8mBU7SuefPlpxhH0jbPVI
```
#### try request with token
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* without token:
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```shell
$ curl http://127.0.0.2:9080/index.html -i
HTTP/1.1 401 Unauthorized
...
{"message":"Missing JWT token in request"}
```
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* request header with token:
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```shell
$ curl http://127.0.0.2:9080/index.html -H 'Authorization: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTU2NDA1MDgxMX0.Us8zh_4VjJXF-TmR5f8cif8mBU7SuefPlpxhH0jbPVI' -i
HTTP/1.1 200 OK
Content-Type: text/html
Content-Length: 13175
...
Accept-Ranges: bytes
<!DOCTYPE html>
< html lang = "cn" >
...
```
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* request params with token:
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```shell
$ curl http://127.0.0.2:9080/index.html?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTU2NDA1MDgxMX0.Us8zh_4VjJXF-TmR5f8cif8mBU7SuefPlpxhH0jbPVI -i
HTTP/1.1 200 OK
Content-Type: text/html
Content-Length: 13175
...
Accept-Ranges: bytes
<!DOCTYPE html>
< html lang = "cn" >
...
```
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* request cookie with token:
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```shell
$ curl http://127.0.0.2:9080/index.html --cookie jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJrZXkiOiJ1c2VyLWtleSIsImV4cCI6MTU2NDA1MDgxMX0.Us8zh_4VjJXF-TmR5f8cif8mBU7SuefPlpxhH0jbPVI -i
HTTP/1.1 200 OK
Content-Type: text/html
Content-Length: 13175
...
Accept-Ranges: bytes
<!DOCTYPE html>
< html lang = "cn" >
...
```
## *Disable Plugin
When you want to disable the `jwt-auth` plugin, it is very simple,
you can delete the corresponding json configuration in the plugin configuration,
no need to restart the service, it will take effect immediately:
```shell
$ curl http://127.0.0.1:2379/v2/keys/apisix/routes/1 -X PUT -d value='
{
"methods": ["GET"],
"uri": "/index.html",
"id": 1,
"plugins": {},
"upstream": {
"type": "roundrobin",
"nodes": {
"39.97.63.215:80": 1
}
}
}'
```
