Added files forgotten in the httpd refactoring checkin.

git-svn-id: https://svn.apache.org/repos/asf/incubator/couchdb/trunk@701174 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 142 insertions, 0 deletions

diff --git a/src/couchdb/couch_httpd_misc_handlers.erl b/src/couchdb/couch_httpd_misc_handlers.erl
new file mode 100644
index 00000000..040e34de
--- /dev/null
+++ b/src/couchdb/couch_httpd_misc_handlers.erl
@@ -0,0 +1,142 @@
+% 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.
+
+-module(couch_httpd_misc_handlers).
+
+-export([handle_welcome_req/2,handle_utils_dir_req/2,handle_all_dbs_req/1,
+    handle_replicate_req/1,handle_restart_req/1,handle_uuids_req/1,
+    handle_config_req/1]).
+    
+-export([increment_update_seq_req/2]).
+
+
+-include("couch_db.hrl").
+
+-import(couch_httpd,
+    [send_json/2,send_json/3,send_json/4,send_method_not_allowed/2,
+    start_json_response/2,send_chunk/2,end_json_response/1,
+    start_chunked_response/3]).
+
+% httpd global handlers
+
+handle_welcome_req(#httpd{method='GET'}=Req, WelcomeMessage) ->
+    send_json(Req, {[
+        {couchdb, WelcomeMessage},
+        {version, list_to_binary(couch_server:get_version())}
+    ]});
+handle_welcome_req(Req, _) ->
+    send_method_not_allowed(Req, "GET,HEAD").
+
+
+handle_utils_dir_req(#httpd{method='GET'}=Req, DocumentRoot) ->
+    "/" ++ UrlPath = couch_httpd:path(Req),
+    case couch_httpd:partition(UrlPath) of
+    {_ActionKey, "/", RelativePath} ->
+        % GET /_utils/path or GET /_utils/
+        couch_httpd:serve_file(Req, RelativePath, DocumentRoot);
+    {_ActionKey, "", _RelativePath} ->
+        % GET /_utils
+        couch_httpd:send_response(Req, 301, [{"Location", "/_utils/"}], <<>>)
+    end;
+handle_utils_dir_req(Req, _) ->
+    send_method_not_allowed(Req, "GET,HEAD").
+
+
+handle_all_dbs_req(#httpd{method='GET'}=Req) ->
+    {ok, DbNames} = couch_server:all_databases(),
+    send_json(Req, DbNames);
+handle_all_dbs_req(Req) ->
+    send_method_not_allowed(Req, "GET,HEAD").
+
+
+handle_replicate_req(#httpd{method='POST'}=Req) ->
+    {Props} = couch_httpd:json_body(Req),
+    Source = proplists:get_value(<<"source">>, Props),
+    Target = proplists:get_value(<<"target">>, Props),
+    {Options} = proplists:get_value(<<"options">>, Props, {[]}),
+    {ok, {JsonResults}} = couch_rep:replicate(Source, Target, Options),
+    send_json(Req, {[{ok, true} | JsonResults]});
+handle_replicate_req(Req) ->
+    send_method_not_allowed(Req, "POST").
+
+
+handle_restart_req(#httpd{method='POST'}=Req) ->
+    Response = send_json(Req, {[{ok, true}]}),
+    spawn(fun() -> couch_server:remote_restart() end),
+    Response;
+handle_restart_req(Req) ->
+    send_method_not_allowed(Req, "POST").
+
+
+handle_uuids_req(#httpd{method='POST'}=Req) ->
+    Count = list_to_integer(couch_httpd:qs_value(Req, "count", "1")),
+    % generate the uuids
+    UUIDs = [ couch_util:new_uuid() || _ <- lists:seq(1,Count)],
+    % send a JSON response
+    send_json(Req, {[{"uuids", UUIDs}]});
+handle_uuids_req(Req) ->
+    send_method_not_allowed(Req, "POST").
+
+
+% Config request handler
+
+    
+% GET /_config/
+% GET /_config
+handle_config_req(#httpd{method='GET', path_parts=[_]}=Req) ->
+    KVs = [{list_to_binary(Key), list_to_binary(Value)}
+            || {Key, Value} <- couch_config:all()],
+    send_json(Req, 200, {KVs});
+% GET /_config/Section
+handle_config_req(#httpd{method='GET', path_parts=[_,Section]}=Req) ->
+    KVs = [{list_to_binary(Key), list_to_binary(Value)}
+            || {Key, Value} <- couch_config:get(Section)],
+    send_json(Req, 200, {KVs});
+% PUT /_config/Section/Key
+% "value"
+handle_config_req(#httpd{method='PUT', path_parts=[_, Section, Key]}=Req) ->
+    Value = binary_to_list(couch_httpd:body(Req)),
+    ok = couch_config:set(Section, Key, Value),
+    send_json(Req, 200, {[
+        {ok, true}
+    ]});
+% GET /_config/Section/Key
+handle_config_req(#httpd{method='GET', path_parts=[_, Section, Key]}=Req) ->
+    case couch_config:get(Section, Key, null) of
+    null ->
+        throw({not_found, unknown_config_value});
+    Value ->
+        send_json(Req, 200, list_to_binary(Value))
+    end;
+% DELETE /_config/Section/Key
+handle_config_req(#httpd{method='DELETE',path_parts=[_,Section,Key]}=Req) ->
+    case couch_config:get(Section, Key, null) of
+    null ->
+        throw({not_found, unknown_config_value});
+    OldValue ->
+        couch_config:delete(Section, Key),
+        send_json(Req, 200, list_to_binary(OldValue))
+    end;
+handle_config_req(Req) ->
+    send_method_not_allowed(Req, "GET,PUT,DELETE").
+
+
+% httpd db handlers
+
+increment_update_seq_req(#httpd{method='POST'}=Req, Db) ->
+    {ok, NewSeq} = couch_db:increment_update_seq(Db),
+    send_json(Req, {[{ok, true},
+        {update_seq, NewSeq}
+    ]});
+increment_update_seq_req(Req, _Db) ->
+    send_method_not_allowed(Req, "GET,PUT,DELETE").
+