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93 lines
3.5 KiB
Markdown
93 lines
3.5 KiB
Markdown
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# Summary
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- [**Name**](#name)
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- [**Attributes**](#attributes)
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- [**Token Introspection**](#token-introspection)
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## Name
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The OAuth 2 / Open ID Connect(OIDC) plugin provides authentication and introspection capability to APISIX.
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## Attributes
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|Name |Requirement |Description|
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|------- |----- |------|
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|client_id |required |OAuth client ID|
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|client_secret |required |OAuth client secret|
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|discovery |required |URL of the discovery endpoint of the identity server|
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|realm |optional |Realm used for the authentication; default is apisix|
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|bearer_only |optional |Setting this `true` will check for the authorization header in the request with a bearer token; default is `false`|
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|logout_path |optional |default is `/logout`|
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|redirect_uri |optional |default is `ngx.var.request_uri`|
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|timeout |optional |default is 3 seconds|
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|ssl_verify |optional |default is `false`|
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|introspection_endpoint |optional |URL of the token verification endpoint of the identity server|
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|introspection_endpoint_auth_method |optional |Authentication method name for token introspection |
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### Token Introspection
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Token introspection helps to validate a request by verifying the token against an Oauth 2 authorization server.
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As prerequisite, you should create a trusted client in the identity server and generate a valid token(JWT) for introspection.
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The following image shows an example(successful) flow of the token introspection via the gateway.
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The following is the curl command to enable the plugin to an external service.
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This route will protect `https://httpbin.org/get`(echo service) by introspecting the token provided in the header of the request.
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```bash
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curl http://127.0.0.1:9080/apisix/admin/routes/5 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
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{
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"uri": "/get",
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"plugins": {
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"proxy-rewrite": {
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"scheme": "https"
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},
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"openid-connect": {
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"client_id": "api_six_client_id",
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"client_secret": "client_secret_code",
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"discovery": "full_URL_of_the_discovery_endpoint",
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"introspection_endpoint": "full_URL_of_introspection_endpoint",
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"bearer_only": true,
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"realm": "master",
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"introspection_endpoint_auth_method": "client_secret_basic"
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}
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},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"httpbin.org:443": 1
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}
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}
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}'
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```
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The following command can be used to access the new route.
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```bash
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curl -i -X GET http://127.0.0.1:9080/get -H "Host: httpbin.org" -H "Authorization: Bearer {replace_jwt_token}"
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```
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## Troubleshooting
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Check/modify the DNS settings (`conf/config.yaml) if APISIX cannot resolve/connect to the identity provider.
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