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key-auth.md

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Summary

Name

key-auth is an authentication plugin, it should work with consumer together.

Add Key Authentication (also sometimes referred to as an API key) to a Service or a Route. Consumers then add their key either in a querystring parameter or a header to authenticate their requests.

Attributes

Name Type Requirement Default Valid Description
key string required different consumer objects should use different values, it should be unique.

How To Enable

Two steps are required:

  1. creates a consumer object, and set the attributes of plugin key-auth.
curl http://127.0.0.1:9080/apisix/admin/consumers -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
    "username": "jack",
    "plugins": {
        "key-auth": {
            "key": "auth-one"
        }
    }
}'

You can open dashboard with a browser: http://127.0.0.1:9080/apisix/dashboard/, to complete the above operation through the web interface, first add a route:

Then add key-auth plugin:

  1. creates a route or service object, and enable plugin key-auth.
curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
    "methods": ["GET"],
    "uri": "/index.html",
    "id": 1,
    "plugins": {
        "key-auth": {}
    },
    "upstream": {
        "type": "roundrobin",
        "nodes": {
            "39.97.63.215:80": 1
        }
    }
}'

Test Plugin

Here is a correct test example:

$ curl http://127.0.0.2:9080/index.html -H 'apikey: auth-one' -i
HTTP/1.1 200 OK
...

If the request does not set apikey correctly, will get a 401 response.

$ curl http://127.0.0.2:9080/index.html -i
HTTP/1.1 401 Unauthorized
...
{"message":"Missing API key found in request"}

$ curl http://127.0.0.2:9080/index.html -H 'apikey: abcabcabc' -i
HTTP/1.1 401 Unauthorized
...
{"message":"Invalid API key in request"}

Disable Plugin

When you want to disable the key-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:

$ curl http://127.0.0.1:2379/v2/keys/apisix/routes/1 -X PUT -d value='
{
    "uri": "/index.html",
    "plugins": {},
    "upstream": {
        "type": "roundrobin",
        "nodes": {
            "39.97.63.215:80": 1
        }
    }
}'

The key-auth plugin has been disabled now. It works for other plugins.