Simulating http_sub

hajducko · 2017-10-25T03:33:07+00:00

hello,obviously, ngx_lua can do it.1. hello-world example code to start with ngx_lua, http://openresty.org/en/getting-started.html2. what we can d...

Simulating http_sub

hajducko

Is there an example ( or is it even possible ) to replicate the nginx http_sub module with lua?

I'm in a situation where I need to do what http_sub does, but the nginx binary isn't compiled with http_sub and I can't recompile it. It does, however, have the lua module. Was hoping there was an easy way to do some simple substitutions on the response content. Something like:

sub_filter '</body>' '<span>Hello world</span></body>';

Thanks.

huang_hua2012

hello,

maybe you can do it with content_by_lua* and subrequest like this:

location / {

content_by_lua_block {

local response = do-subrequest

local body = ngx.re.sub(response.body, pattern, content)

ngx.print(body)

}

在 2017年10月25日，上午3:33，Steve Hajducko <haj...@gmail.com> 写道：

http_sub

igor.clark

Maybe body_filter_by_lua_* might do what you need?

https://github.com/openresty/lua-nginx-module#body_filter_by_lua_block

Cheers
i

On 24/10/2017 20:33, Steve Hajducko wrote:

Is there an example ( or is it even possible ) to replicate the nginx http_sub module with lua?

I'm in a situation where I need to do what http_sub does, but the nginx binary isn't compiled with http_sub and I can't recompile it. It does, however, have the lua module. Was hoping there was an easy way to do some simple substitutions on the response content. Something like:

sub_filter '</body>' '<span>Hello world</span></body>';

Thanks.

.