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228 | ------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2005-2018, 2020, 2021, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by the --
-- Free Software Foundation; either version 3, or (at your option) any --
-- later version. This library is distributed in the hope that it will be --
-- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
------------------------------------------------------------------------------
pragma Ada_2012;
pragma License (GPL);
with AWS.Messages;
with AWS.Net.Buffered;
with AWS.Translator;
with AWS.Client.HTTP_Utils;
package body AWS.Client.Ext is
procedure Do_Options
(Connection : in out HTTP_Connection;
Result : out Response.Data;
URI : String := No_Data;
Headers : Header_List := Empty_Header_List) is
begin
Send_Request
(Connection, OPTIONS, Result, URI, No_Content, Headers);
end Do_Options;
function Do_Options
(URL : String;
User : String := No_Data;
Pwd : String := No_Data;
Proxy : String := No_Data;
Proxy_User : String := No_Data;
Proxy_Pwd : String := No_Data;
Timeouts : Timeouts_Values := No_Timeout;
Headers : Header_List := Empty_Header_List;
User_Agent : String := Default.User_Agent) return Response.Data
is
Connection : HTTP_Connection;
Result : Response.Data;
begin
Create (Connection,
URL, User, Pwd, Proxy, Proxy_User, Proxy_Pwd,
Persistent => False,
Timeouts => Timeouts,
User_Agent => User_Agent);
Do_Options (Connection, Result, Headers => Headers);
Close (Connection);
return Result;
exception
when others =>
Close (Connection);
raise;
end Do_Options;
procedure Do_Patch
(Connection : in out HTTP_Connection;
Result : out Response.Data;
URI : String := No_Data;
Data : String;
Headers : Header_List := Empty_Header_List) is
begin
Send_Request
(Connection, PATCH, Result, URI, Translator.To_Stream_Element_Array (Data), Headers);
end Do_Patch;
function Do_Patch
(URL : String;
Data : String;
User : String := No_Data;
Pwd : String := No_Data;
Proxy : String := No_Data;
Proxy_User : String := No_Data;
Proxy_Pwd : String := No_Data;
Timeouts : Timeouts_Values := No_Timeout;
Headers : Header_List := Empty_Header_List;
User_Agent : String := Default.User_Agent) return Response.Data
is
Connection : HTTP_Connection;
Result : Response.Data;
begin
Create (Connection,
URL, User, Pwd, Proxy, Proxy_User, Proxy_Pwd,
Persistent => False,
Timeouts => Timeouts,
User_Agent => User_Agent);
Do_Patch (Connection, Result, Data => Data, Headers => Headers);
Close (Connection);
return Result;
exception
when others =>
Close (Connection);
raise;
end Do_Patch;
function Do_Delete
(URL : String;
Data : String;
User : String := No_Data;
Pwd : String := No_Data;
Proxy : String := No_Data;
Proxy_User : String := No_Data;
Proxy_Pwd : String := No_Data;
Timeouts : Timeouts_Values := No_Timeout;
Headers : Header_List := Empty_Header_List;
User_Agent : String := Default.User_Agent) return Response.Data
is
Connection : HTTP_Connection;
Result : Response.Data;
begin
Create (Connection,
URL, User, Pwd, Proxy, Proxy_User, Proxy_Pwd,
Persistent => False,
Timeouts => Timeouts,
User_Agent => User_Agent);
Do_Delete (Connection, Result, Data, Headers => Headers);
Close (Connection);
return Result;
exception
when others =>
Close (Connection);
raise;
end Do_Delete;
procedure Do_Delete
(Connection : in out HTTP_Connection;
Result : out Response.Data;
Data : String;
URI : String := No_Data;
Headers : Header_List := Empty_Header_List) is
begin
Send_Request
(Connection, DELETE, Result, URI, Translator.To_Stream_Element_Array (Data), Headers);
end Do_Delete;
------------------
-- Send_Request --
------------------
procedure Send_Request
(Connection : in out HTTP_Connection;
Kind : Method_Kind;
Result : out Response.Data;
URI : String;
Data : Stream_Element_Array := No_Content;
Headers : Header_List := Empty_Header_List)
is
use Ada.Real_Time;
Stamp : constant Time := Clock;
Try_Count : Natural := Connection.Retry;
Auth_Attempts : Auth_Attempts_Count := (others => 2);
Auth_Is_Over : Boolean;
begin
Retry : loop
begin
HTTP_Utils.Open_Send_Common_Header
(Connection, Method_Kind'Image (Kind), URI, Headers);
-- If there is some data to send
if Data'Length > 0 then
HTTP_Utils.Send_Header
(Connection.Socket.all,
Messages.Content_Length (Data'Length));
Net.Buffered.New_Line (Connection.Socket.all);
-- Send message body
Net.Buffered.Write (Connection.Socket.all, Data);
else
Net.Buffered.New_Line (Connection.Socket.all);
end if;
HTTP_Utils.Get_Response
(Connection, Result,
Get_Body => Kind /= HEAD and then not Connection.Streaming);
HTTP_Utils.Decrement_Authentication_Attempt
(Connection, Auth_Attempts, Auth_Is_Over);
if Auth_Is_Over then
return;
elsif Kind /= HEAD and then Connection.Streaming then
HTTP_Utils.Read_Body (Connection, Result, Store => False);
end if;
exception
when E : Net.Socket_Error | HTTP_Utils.Connection_Error =>
Error_Processing
(Connection, Try_Count, Result,
Method_Kind'Image (Kind), E, Stamp);
exit Retry when not Response.Is_Empty (Result);
end;
end loop Retry;
end Send_Request;
end AWS.Client.Ext;
|