%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
-module(mod_actions).
-export([do/1,load/2, store/2]).
-include("httpd.hrl").
-include("httpd_internal.hrl").
%% do
do(Info) ->
case proplists:get_value(status, Info#mod.data) of
%% A status code has been generated!
{_StatusCode, _PhraseArgs, _Reason} ->
{proceed,Info#mod.data};
%% No status code has been generated!
undefined ->
case proplists:get_value(response, Info#mod.data) of
%% No response has been generated!
undefined ->
Path = mod_alias:path(Info#mod.data,Info#mod.config_db,
Info#mod.request_uri),
Suffix = httpd_util:suffix(Path),
MimeType = httpd_util:lookup_mime(Info#mod.config_db,Suffix,
"text/plain"),
Actions = httpd_util:multi_lookup(Info#mod.config_db,action),
case action(Info#mod.request_uri,MimeType,Actions) of
{yes, RequestURI} ->
{proceed, [{new_request_uri, RequestURI} | Info#mod.data]};
no ->
Scripts = httpd_util:multi_lookup(Info#mod.config_db, script),
case script(Info#mod.request_uri, Info#mod.method, Scripts) of
{yes, RequestURI} ->
{proceed,[{new_request_uri, RequestURI} | Info#mod.data]};
no ->
{proceed, Info#mod.data}
end
end;
%% A response has been generated or sent!
_Response ->
{proceed, Info#mod.data}
end
end.
action(_RequestURI, _MimeType, []) ->
no;
action(RequestURI, MimeType, [{MimeType, CGIScript} | _Rest]) ->
{yes, CGIScript ++ RequestURI};
action(RequestURI, MimeType, [_ | Rest]) ->
action(RequestURI, MimeType, Rest).
script(_RequestURI, _Method, []) ->
no;
script(RequestURI, Method, [{Method, CGIScript} | _Rest]) ->
{yes, CGIScript ++ RequestURI};
script(RequestURI, Method, [_ | Rest]) ->
script(RequestURI, Method, Rest).
%%
%% Configuration
%%
%% load
load("Action "++ Action, []) ->
case re:split(Action, " ", [{return, list}]) of
[MimeType, CGIScript] ->
{ok,[],{action, {MimeType, CGIScript}}};
_ ->
{error,?NICE(string:strip(Action)++" is an invalid Action")}
end;
load("Script " ++ Script,[]) ->
case re:split(Script, " ", [{return, list}]) of
[Method, CGIScript] ->
{ok,[],{script, {Method, CGIScript}}};
_ ->
{error,?NICE(string:strip(Script)++" is an invalid Script")}
end.
store({action, {MimeType, CGIScript}} = Conf, _) when is_list(MimeType),
is_list(CGIScript) ->
{ok, Conf};
store({action, Value}, _) ->
{error, {wrong_type, {action, Value}}};
store({script, {Method, CGIScript}} = Conf, _) when is_list(Method),
is_list(CGIScript) ->
case string:to_lower(Method) of
"get" ->
{ok, Conf};
"post" ->
{ok, Conf};
_ ->
{error, {wrong_type, Conf}}
end;
store({script, Value}, _) ->
{error, {wrong_type, {script, Value}}}.
