修改了下post处理逻辑

Author: loveshell

waf.lua

@@ -12,11 +12,13 @@ else
     elseif ngx.var.http_user_agent and ngx.re.match(ngx.var.http_user_agent,regex.."|"..agent,"isjo")  then
         log('USER-AGENT',ngx.unescape_uri(ngx.var.request_uri))
         check()
-    elseif ngx.req.get_method()=='POST' and ngx.re.match(ngx.unescape_uri(ngx.req.get_body_data()),regex.."|"..post,"isjo") then
+    elseif ngx.req.get_body_data() and  ngx.re.match(ngx.req.get_body_data(),[[Content-Disposition: form-data;(.*)filename=]],"isjo") ==nil and ngx.re.match(ngx.unescape_uri(ngx.req.get_body_data()),regex.."|"..post,"isjo") then
         log('POST',ngx.unescape_uri(ngx.var.request_uri),ngx.unescape_uri(ngx.req.get_body_data()))
-        check()
-    elseif string.len(filext) >0 and ngx.req.get_body_data() and ngx.re.match(ngx.req.get_body_data(),[[^(Content-Disposition: form-data;(.*)filename="(.*).("..filext..")").*$]],"isjo") then
-        check()
+            check()
+    elseif string.len(filext) >0 then
+        if ngx.req.get_body_data() and ngx.re.match(ngx.req.get_body_data(),"Content-Disposition: form-data;(.*)filename=\"(.*)."..filext.."\"","isjo") then
+            check()
+        end
 --    elseif ngx.req.get_headers()["Cookie"] and ngx.re.match(ngx.unescape_uri(ngx.req.get_headers()["Cookie"]),regex,"isjo")then
 --        log('COOKIE',ngx.unescape_uri(ngx.var.request_uri),ngx.unescape_uri(ngx.req.get_headers()["Cookie"]))
 --        check()