Caelebs opened a new issue #3913:
URL: https://github.com/apache/apisix/issues/3913
### Issue description
I have a custom plug-in to determine whether the requested URI exists in the
whitelist api list. In addition, there is another plugin to request the
internal authentication service to verify whether there is permission. Now my
approach is to enter in the request When it comes to the first plugin, I use
`core.response.set_header("Ignore", var)` to set a header, and then determine
the value of the header in subsequent plugins. I am not sure if there are other
ways to do it? The method I use now doesn't seem to be very good.
I have used `spring cloud gateway` before, and the practice was similar to
now, using `serverWebExchange.getAttributes().put("ignore_access", "true");`,
maybe apisix can have a better way? Because I always feel that it is not very
good to transfer variables by setting the header
### Environment
* apisix version (cmd: `apisix version`): `2.4`
* OS (cmd: `uname -a`): `CentOS Linux release 7.6.1810 (Core)`
* OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`):
`openresty/1.17.8.2`
* etcd version, if have (cmd: run `curl
http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):
`{"up_time":1869,"boot_time":1616727683,"last_report_time":1616729544,"id":"408bcb78-10dd-4958-902c-f399bc60e0fc","etcd_version":"3.4.0","hostname":"TEST3","version":"2.4"}`
* apisix-dashboard version, if have: `2.5`
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