-- cd /tmp
-- wget https://luarocks.org/releases/luarocks-3.11.1.tar.gz
-- tar zxpf luarocks-3.11.1.tar.gz
-- cd luarocks-3.11.1
-- ./configure --with-lua=/usr/local/openresty/luajit
-- make
-- make install
--
-- /usr/local/bin/luarocks install lua-resty-http
--
-- /usr/local/bin/luarocks list

package.path = package.path .. ';/usr/local/openresty/nginx/scripts/?.lua';

local cjson = require "cjson"

-- Collect request details
local request_data = {
    method = ngx.var.request_method,
    uri = ngx.var.request_uri,
    headers = ngx.req.get_headers(),
    body = nil,
    remote_addr = ngx.var.remote_addr,
    timestamp = ngx.now(),
    protocol = ngx.var.server_protocol,
    query_string = ngx.var.query_string or "",
    request_length = ngx.var.request_length
}

-- Capture request body (if any)
ngx.req.read_body()
local body = ngx.req.get_body_data()
if body then
    request_data.body = body
elseif ngx.req.get_body_file() then
    local file = ngx.req.get_body_file()
    local f, err = io.open(file, "r")
    if f then
        request_data.body = f:read("*all")
        f:close()
    else
        ngx.log(ngx.ERR, "Failed to read body file: ", err)
        request_data.body_error = err
    end
end

-- Remove sensitive headers
request_data.headers.Authorization = nil
request_data.headers.HtySudoerToken = nil

-- Encode as JSON
local json_payload, encode_err = cjson.encode(request_data)
if not json_payload then
    ngx.log(ngx.ERR, "Failed to encode JSON: ", encode_err)
    return
end

-- Write to log file
local log_file_path = "/tmp/prow_requests.log"
local file, err = io.open(log_file_path, "a")
if file then
    file:write(json_payload .. "\n")
    file:close()
else
    ngx.log(ngx.ERR, "Failed to write to log file: ", err)
end