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118 lines
3.2 KiB
Markdown
118 lines
3.2 KiB
Markdown
---
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title: referer-restriction
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---
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<!--
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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-->
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## Summary
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- [**Name**](#name)
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- [**Attributes**](#attributes)
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- [**How To Enable**](#how-to-enable)
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- [**Test Plugin**](#test-plugin)
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- [**Disable Plugin**](#disable-plugin)
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## Name
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The `referer-restriction` can restrict access to a Service or a Route by
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whitelisting request header Referrers.
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## Attributes
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| Name | Type | Requirement | Default | Valid | Description |
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| --------- | ------------- | ----------- | ------- | ----- | ---------------------------------------- |
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| whitelist | array[string] | required | | | List of hostname to whitelist. The hostname can be started with `*` as a wildcard |
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| bypass_missing | boolean | optional | false | | Whether to bypass the check when the Referer header is missing or malformed |
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## How To Enable
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Creates a route or service object, and enable plugin `referer-restriction`.
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```shell
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curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
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{
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"uri": "/index.html",
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"127.0.0.1:1980": 1
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}
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},
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"plugins": {
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"referer-restriction": {
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"bypass_missing": true,
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"whitelist": [
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"xx.com",
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"*.xx.com"
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]
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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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Request with `Referer: http://xx.com/x`:
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```shell
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$ curl http://127.0.0.1:9080/index.html -H 'Referer: http://xx.com/x'
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HTTP/1.1 200 OK
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...
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```
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Request with `Referer: http://yy.com/x`:
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```shell
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$ curl http://127.0.0.1:9080/index.html -H 'Referer: http://yy.com/x'
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HTTP/1.1 403 Forbidden
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...
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{"message":"Your referer host is not allowed"}
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```
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Request without `Referer`:
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```shell
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$ curl http://127.0.0.1:9080/index.html
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HTTP/1.1 200 OK
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...
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```
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## Disable Plugin
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When you want to disable the `referer-restriction` plugin, it is very simple,
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you can delete the corresponding json configuration in the plugin configuration,
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no need to restart the service, it will take effect immediately:
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```shell
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$ curl http://127.0.0.1:2379/v2/keys/apisix/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d value='
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{
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"uri": "/index.html",
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"plugins": {},
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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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The `referer-restriction` plugin has been disabled now. It works for other plugins.
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