Imported trunk.

git-svn-id: https://svn.apache.org/repos/asf/incubator/couchdb/trunk@642432 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 92 insertions, 0 deletions

diff --git a/src/couch_inets/mod_actions.erl b/src/couch_inets/mod_actions.erl
new file mode 100644
index 00000000..3447196c
--- /dev/null
+++ b/src/couch_inets/mod_actions.erl
@@ -0,0 +1,92 @@
+%% ``The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved via the world wide web at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%% 
+%%     $Id$
+%%
+-module(mod_actions).
+-export([do/1,load/2]).
+
+-include("httpd.hrl").
+
+%% do
+
+do(Info) ->
+  case httpd_util:key1search(Info#mod.data,status) of
+    %% A status code has been generated!
+    {_StatusCode, _PhraseArgs, _Reason} ->
+      {proceed,Info#mod.data};
+    %% No status code has been generated!
+    undefined ->
+      case httpd_util:key1search(Info#mod.data,response) 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 regexp:split(Action, " ") of
+    {ok,[MimeType, CGIScript]} ->
+      {ok,[],{action, {MimeType, CGIScript}}};
+    {ok,_} ->
+      {error,?NICE(httpd_conf:clean(Action)++" is an invalid Action")}
+  end;
+load("Script " ++ Script,[]) ->
+  case regexp:split(Script, " ") of
+    {ok,[Method, CGIScript]} ->
+      {ok,[],{script, {Method, CGIScript}}};
+    {ok,_} ->
+      {error,?NICE(httpd_conf:clean(Script)++" is an invalid Script")}
+  end.