From e59b0f053b029d8ccacdfb43b8efe94ec9bc521a Mon Sep 17 00:00:00 2001
From: "Kirill Lipatov (Leency)" <lipatov.kiril@gmail.com>
Date: Fri, 18 May 2018 20:18:10 +0000
Subject: [PATCH] WebView: code refactoring, minor fixes

git-svn-id: svn://kolibrios.org@7281 a494cfbc-eb01-0410-851d-a64ba20cac60
---
 programs/cmm/TWB/absolute_url.h             |   2 +-
 programs/cmm/browser/WebView.c              |  79 +++---
 programs/cmm/browser/download_manager.h     | 285 ++++++++++----------
 programs/cmm/lib/patterns/http_downloader.h | 125 ++++++---
 programs/cmm/liza/liza.c                    |   5 +
 5 files changed, 279 insertions(+), 217 deletions(-)

diff --git a/programs/cmm/TWB/absolute_url.h b/programs/cmm/TWB/absolute_url.h
index 3623b49572..f29d0955e2 100644
--- a/programs/cmm/TWB/absolute_url.h
+++ b/programs/cmm/TWB/absolute_url.h
@@ -42,7 +42,7 @@ void GetAbsoluteURL(dword in_URL)
 	}
 	
 	IF (!strcmpn(in_URL,"./", 2)) in_URL+=2;
-	if (!http_transfer) 
+	if (!http.transfer) 
 	{
 		strcpy(#newurl, history.current());
 	}
diff --git a/programs/cmm/browser/WebView.c b/programs/cmm/browser/WebView.c
index 9b62bc2f6c..c1d6902b76 100644
--- a/programs/cmm/browser/WebView.c
+++ b/programs/cmm/browser/WebView.c
@@ -27,10 +27,12 @@
 #include "..\lib\patterns\history.h"
 #include "..\lib\patterns\http_downloader.h"
 
+_http http = {0, 0, 0, 0, 0, 0, 0};
+
 char homepage[] = FROM "html\\homepage.htm""\0";
 
 #ifdef LANG_RUS
-char version[]="Текстовый браузер 1.73";
+char version[]="Текстовый браузер 1.74";
 ?define IMAGES_CACHE_CLEARED "Кэш картинок очищен"
 ?define T_LAST_SLIDE "Это последний слайд"
 char loading[] = "Загрузка страницы...<br>";
@@ -45,7 +47,7 @@ char link_menu[] =
 "Копировать ссылку
 Скачать содержимое ссылки";
 #else
-char version[]="Text-based Browser 1.73";
+char version[]="Text-based Browser 1.74";
 ?define IMAGES_CACHE_CLEARED "Images cache cleared"
 ?define T_LAST_SLIDE "This slide is the last"
 char loading[] = "Loading...<br>";
@@ -75,9 +77,6 @@ char stak[4096];
 
 int action_buf;
 
-dword http_transfer = 0;
-dword http_buffer;
-
 dword TOOLBAR_H = 40;
 dword STATUSBAR_H = 15;
 dword col_bg;
@@ -185,34 +184,17 @@ void main()
 			break;
 			
 		case evNetwork:
-			if (http_transfer > 0) {
-				http_receive stdcall (http_transfer);
-				$push EAX
-				ESI = http_transfer;
-				wv_progress_bar.max = ESI.http_msg.content_length;
-				if (wv_progress_bar.value != ESI.http_msg.content_received)
-				{
-					wv_progress_bar.value = ESI.http_msg.content_received;	
-					DrawProgress();
-				}
-				$pop EAX
-				if (EAX == 0) {
-					ESI = http_transfer;
+			if (http.transfer > 0) {
+				http.receive();
+				EventUpdateProgressBar();
+				if (http.receive_result == 0) {
 					// Handle redirects
-					if (ESI.http_msg.status >= 300) && (ESI.http_msg.status < 400)
+					if (http.status_code >= 300) && (http.status_code < 400)
 					{
 						redirected++;
 						if (redirected<=5)
 						{
-							http_find_header_field stdcall (http_transfer, "location\0");
-							if (EAX!=0) {
-								ESI = EAX;
-								EDI = #URL;
-								do {
-									$lodsb;
-									$stosb;
-								} while (AL != 0) && (AL != 13) && (AL != 10);
-								DSBYTE[EDI-1]='\0';
+							if (http.handle_redirect()) {
 								if (!strncmp(#URL,"https://",8))
 								{
 									history.back();
@@ -238,8 +220,7 @@ void main()
 					// Loading the page is complete, free resources
 					if (redirected>0)
 					{
-						http_free stdcall (http_transfer);
-						http_transfer=0;
+						http.free();
 						GetAbsoluteURL(#URL);
 						history.back();
 						strcpy(#editURL, #URL);
@@ -249,11 +230,10 @@ void main()
 					else
 					{
 						history.add(#URL);
-						ESI = http_transfer;
+						ESI = http.transfer;
 						bufpointer = ESI.http_msg.content_ptr;
 						bufsize = ESI.http_msg.content_received;
-						http_free stdcall (http_transfer);
-						http_transfer=0;
+						http.free();
 						SetPageDefaults();
 						ShowPage();
 					}
@@ -338,7 +318,7 @@ void ProcessEvent(dword id__)
 		case 063: //F5
 			IF(address_box.flags & 0b10) return;
 		case REFRESH_BUTTON:
-			if (http_transfer > 0) 
+			if (http.transfer > 0) 
 			{
 				StopLoading();
 				Draw_Window();
@@ -391,15 +371,15 @@ void ProcessEvent(dword id__)
 
 void StopLoading()
 {
-	if (http_transfer)
+	if (http.transfer)
 	{
-		EAX = http_transfer;
+		EAX = http.transfer;
 		EAX = EAX.http_msg.content_ptr;		// get pointer to data
 		$push	EAX							// save it on the stack
-		http_free stdcall (http_transfer);	// abort connection
+		http_free stdcall (http.transfer);	// abort connection
 		$pop	EAX							
 		free(EAX);						// free data
-		http_transfer=0;
+		http.transfer=0;
 		bufsize = 0;
 		bufpointer = free(bufpointer);
 	}
@@ -432,9 +412,8 @@ void OpenPage()
 	if (!strncmp(#URL,"http:",5))
 	{
 		img_draw stdcall(skin.image, address_box.left+address_box.width+1, address_box.top-3, 17, skin.h, 131, 0);
-		http_get stdcall (#URL, 0, 0, #accept_language);
-		http_transfer = EAX;
-		if (!http_transfer)
+		http.get(#URL);
+		if (!http.transfer)
 		{
 			StopLoading();
 			bufsize = 0;
@@ -465,7 +444,7 @@ DrawEditBoxWebView()
 	address_box.size = address_box.pos = address_box.shift = address_box.shift_old = strlen(#editURL);
 	address_box.offset = 0;
 	edit_box_draw stdcall(#address_box);
-	if (http_transfer > 0) EAX = 131; else EAX = 54;
+	if (http.transfer > 0) EAX = 131; else EAX = 54;
 	img_draw stdcall(skin.image, address_box.left+address_box.width+1, address_box.top-3, 17, skin.h, EAX, 0);
 }
 
@@ -476,7 +455,7 @@ void ShowPage()
 	debugval("bufsize", bufsize);
 	if (!bufsize)
 	{
-		if (http_transfer) WB1.LoadInternalPage(#loading, sizeof(loading));
+		if (http.transfer) WB1.LoadInternalPage(#loading, sizeof(loading));
 		else WB1.LoadInternalPage(#page_not_found, sizeof(page_not_found));
 	}
 	else
@@ -508,7 +487,7 @@ int SetSkinColors()
 void DrawProgress()
 {
 	unsigned long btn;
-	if (http_transfer == 0) return;
+	if (http.transfer == 0) return;
 	if (wv_progress_bar.max) btn = address_box.width*wv_progress_bar.value/wv_progress_bar.max; else btn = 30;
 	DrawBar(address_box.left-2, address_box.top+20, btn, 2, wv_progress_bar.progress_color);
 }
@@ -517,7 +496,7 @@ void DrawProgress()
 char anchor[256];
 void ClickLink()
 {
-	if (http_transfer > 0) 
+	if (http.transfer > 0) 
 	{
 		StopLoading();
 		history.back();
@@ -611,6 +590,16 @@ void EventShowLinkMenu(dword _left, _top)
 	menu.show(Form.left+_left-6,Form.top+_top+skin_height+3, 220, #link_menu, COPY_LINK);
 }
 
+void EventUpdateProgressBar()
+{
+	wv_progress_bar.max = http.content_length;
+	if (wv_progress_bar.value != http.content_received)
+	{
+		wv_progress_bar.value = http.content_received;	
+		DrawProgress();
+	}
+}
+
 
 void ShowErrorMessageThatHttpsIsNotSupportedYet()
 {
diff --git a/programs/cmm/browser/download_manager.h b/programs/cmm/browser/download_manager.h
index e49f31527b..b83a060f8b 100644
--- a/programs/cmm/browser/download_manager.h
+++ b/programs/cmm/browser/download_manager.h
@@ -1,186 +1,191 @@
 #ifdef LANG_RUS
-    #define DL_WINDOW_HEADER "Менеджер загрузок"
-    #define START_DOWNLOADING "Начать закачку"
-    #define STOP_DOWNLOADING "Остановить"
-    #define SHOW_IN_FOLDER "Показать в папке"
-    #define OPEN_FILE_TEXT "Открыть файл"
-    #define FILE_SAVED_AS "'Менеджер загрузок\nФайл сохранен как "
-    #define KB_RECEIVED "Идет скачивание... %s получено"
+	#define DL_WINDOW_HEADER "Менеджер загрузок"
+	#define START_DOWNLOADING "Начать закачку"
+	#define STOP_DOWNLOADING "Остановить"
+	#define SHOW_IN_FOLDER "Показать в папке"
+	#define OPEN_FILE_TEXT "Открыть файл"
+	#define FILE_SAVED_AS "'Менеджер загрузок\nФайл сохранен как "
+	#define KB_RECEIVED "Идет скачивание... %s получено"
 #else
-    #define DL_WINDOW_HEADER "Download Manager"
-    #define START_DOWNLOADING "Start downloading"
-    #define STOP_DOWNLOADING "Stop downloading"
-    #define SHOW_IN_FOLDER "Show in folder"
-    #define OPEN_FILE_TEXT "Open file"
-    #define FILE_SAVED_AS "'Download manager\nFile saved as "
-    #define KB_RECEIVED "Downloading... %s received"
+	#define DL_WINDOW_HEADER "Download Manager"
+	#define START_DOWNLOADING "Start downloading"
+	#define STOP_DOWNLOADING "Stop downloading"
+	#define SHOW_IN_FOLDER "Show in folder"
+	#define OPEN_FILE_TEXT "Open file"
+	#define FILE_SAVED_AS "'Download manager\nFile saved as "
+	#define KB_RECEIVED "Downloading... %s received"
 #endif
 char save_to[4096] = "/tmp0/1/Downloads";
  
 proc_info DL_Form;
 char downloader_edit[10000];
 char filepath[4096];
-int mouse_twbi;
-edit_box ed = {250,20,20,0xffffff,0x94AECE,0xffffff,0xffffff,0x10000000,sizeof(downloader_edit),#downloader_edit,#mouse_twbi,2,19,19};
+edit_box ed = {NULL,57,20,0xffffff,0x94AECE,0xffffff,0xffffff,0x10000000,sizeof(downloader_edit),#downloader_edit,0,2,19,19};
 progress_bar pb = {0, 20, 58, 350, 17, 0, 0, 100, 0xFFFfff, 0x74DA00, 0x9F9F9F};
 //progress_bar pb = {0, 180, 55, 225, 12, 0, 0, 100, 0xFFFfff, 0x74DA00, 0x9F9F9F};
 //progress_bar: value, left, top, width, height, style, min, max, back_color, progress_color, frame_color;
-    
+	
  
-byte downloader_opened;
+bool downloader_opened;
 char downloader_stak[4096];
-char str[2048];
-char aux[2048];
  
  
  
 void Downloader()  
 {
-    int key, i;
-    char notify_message[4296];
-    downloader_opened = 1;
-    SetEventMask(EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_MOUSE + EVM_MOUSE_FILTER + EVM_STACK);
+	if (!dir_exists(#save_to)) CreateDir(#save_to);
+	downloader_opened = true;
+	SetEventMask(EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_MOUSE + EVM_MOUSE_FILTER + EVM_STACK);
 
-    system.color.get();
-    pb.frame_color = system.color.work_dark;
+	system.color.get();
+	pb.frame_color = system.color.work_dark;
  
-    filepath[0] = NULL;
-    
-    downloader.Stop();
-    if (downloader_edit[0]) StartDownloading(); else strcpy(#downloader_edit, "http://");
-    ed.size = ed.pos = ed.shift = ed.shift_old = strlen(#downloader_edit);
+	filepath[0] = NULL;
+	
+	downloader.Stop();
+	if (downloader_edit[0]) StartDownloading(); else strcpy(#downloader_edit, "http://");
+	ed.size = ed.pos = ed.shift = ed.shift_old = strlen(#downloader_edit);
  
-    loop() switch(WaitEvent())
-    {
-        case evMouse:
-            if (!CheckActiveProcess(DL_Form.ID)) break;
-            edit_box_mouse stdcall (#ed);
-            break;
+	loop() switch(WaitEvent())
+	{
+		case evMouse:
+			edit_box_mouse stdcall (#ed);
+			break;
 
-        case evButton:
-            Key_Scan(GetButtonID());
-            break;
+		case evButton:
+			Key_Scan(GetButtonID());
+			break;
 
-        case evKey:
-            GetKeys();
-            edit_box_key stdcall(#ed);
-            if (key_scancode==SCAN_CODE_ENTER) Key_Scan(301);
-            break;
+		case evKey:
+			GetKeys();
+			edit_box_key stdcall(#ed);
+			if (key_scancode==SCAN_CODE_ENTER) Key_Scan(301);
+			break;
 
-        case evReDraw:
-            DefineAndDrawWindow(215, 100, 580, 130, 0x74, system.color.work, DL_WINDOW_HEADER, 0);
-            GetProcessInfo(#DL_Form, SelfInfo);
-            if (DL_Form.status_window>2) break;
-            if (DL_Form.height<120) MoveSize(OLD,OLD,OLD,120);
-            if (DL_Form.width<280) MoveSize(OLD,OLD,280,OLD);
-            DL_Draw_Window();
-            break;
-           
-        default:
-            if (!downloader.MonitorProgress()) break;
-            pb.max = downloader.data_full_size;
-            if (pb.value != downloader.data_downloaded_size)
-            {
-                pb.value = downloader.data_downloaded_size;
-                progressbar_draw stdcall(#pb);
-                DrawDownloading();
-            }
-            if (downloader.state == STATE_COMPLETED)
-            {
-                if (!dir_exists(#save_to)) CreateDir(#save_to);
-                strcpy(#filepath, #save_to);
-                chrcat(#filepath, '/');
-   				// Clean all slashes at the end
-       			strcpy(#aux,  #downloader_edit);
-       			while (aux[strlen(#aux)-1] == '/') {
-                    aux[strlen(#aux)-1] = 0;
-                }
-                strcat(#filepath,  #aux+strrchr(#aux, '/'));
-				
-				for (i=0; i<strlen(#filepath); i++) if(filepath[i]==':')||(filepath[i]=='?')filepath[i]='-';
- 
-                if (CreateFile(downloader.data_downloaded_size, downloader.bufpointer, #filepath)==0)
-                    sprintf(#notify_message, "%s%s%s",FILE_SAVED_AS,#filepath,"' -Dt");
-                else
-                    sprintf(#notify_message, "%s%s%s","'Download manager\nError! Can\96t save file as ",#filepath,"' -Et");
-                
-                notify(#notify_message);
-                StopDownloading();
-                DL_Draw_Window();
-                break;
-            }          
-    }
+		case evReDraw:
+			DefineAndDrawWindow(215, 100, 580, 130, 0x74, system.color.work, DL_WINDOW_HEADER, 0);
+			GetProcessInfo(#DL_Form, SelfInfo);
+			if (DL_Form.status_window>2) break;
+			if (DL_Form.height<120) MoveSize(OLD,OLD,OLD,120);
+			if (DL_Form.width<280) MoveSize(OLD,OLD,280,OLD);
+			DL_Draw_Window();
+			break;
+		   
+		default:
+			if (!downloader.MonitorProgress()) break;
+			pb.max = downloader.data_full_size;
+			if (pb.value != downloader.data_downloaded_size)
+			{
+				pb.value = downloader.data_downloaded_size;
+				progressbar_draw stdcall(#pb);
+				DrawDownloading();
+			}
+			if (downloader.state == STATE_COMPLETED)
+			{
+				SaveDownloadedFile();
+				StopDownloading();
+				DL_Draw_Window();
+				break;
+			}          
+	}
 }
  
 void Key_Scan(int id)
 {
-    if (id==001) { downloader_opened=0; StopDownloading(); ExitProcess(); }
-    if (id==301) && (downloader.http_transfer <= 0) StartDownloading();
-    if (id==302) StopDownloading();
-    if (id==305) RunProgram("/sys/File managers/Eolite", #save_to);
-    if (id==306) RunProgram("/sys/@open", #filepath);
+	if (id==001) { downloader_opened=false; StopDownloading(); ExitProcess(); }
+	if (id==301) && (downloader.httpd.transfer <= 0) StartDownloading();
+	if (id==302) StopDownloading();
+	if (id==305) RunProgram("/sys/File managers/Eolite", #save_to);
+	if (id==306) {
+		SetCurDir(#save_to);
+		RunProgram("/sys/@open", #filepath);
+	}
 }
  
 void DL_Draw_Window()
 {  
-    int cleft = 15;
-    int but_x = 0;
-    int but_y = 58;
-    DrawBar(0,0, DL_Form.cwidth, DL_Form.cheight, system.color.work);
-    DeleteButton(305);
-    DeleteButton(306);
-    if (downloader.state == STATE_NOT_STARTED) || (downloader.state == STATE_COMPLETED)
-    {
-        but_x = cleft + DrawStandartCaptButton(cleft, but_y, 301, START_DOWNLOADING);   
-        if (filepath[0])
-        {
-            but_x += DrawStandartCaptButton(but_x, but_y, 305, SHOW_IN_FOLDER);
-            DrawStandartCaptButton(but_x, but_y, 306, OPEN_FILE_TEXT);  
-        }
-    }
-    if (downloader.state == STATE_IN_PROGRESS)
-    {
-        DrawCaptButton(DL_Form.width - 190, but_y, 167, 26, 302, system.color.work_button, system.color.work_button_text, STOP_DOWNLOADING);
-        DrawDownloading();
-    }
-    WriteText(cleft, ed.top + 4, 0x90, system.color.work_text, "URL:");
-    ed.left = strlen("URL:")*8 + 10 + cleft;
+	int cleft = 15;
+	int but_x = 0;
+	int but_y = 58;
+	DrawBar(0,0, DL_Form.cwidth, DL_Form.cheight, system.color.work);
+	DeleteButton(301);
+	DeleteButton(302);
+	DeleteButton(305);
+	DeleteButton(306);
+	if (downloader.state == STATE_NOT_STARTED) || (downloader.state == STATE_COMPLETED)
+	{
+		but_x = cleft + DrawStandartCaptButton(cleft, but_y, 301, START_DOWNLOADING);   
+		if (filepath[0])
+		{
+			but_x += DrawStandartCaptButton(but_x, but_y, 305, SHOW_IN_FOLDER);
+			DrawStandartCaptButton(but_x, but_y, 306, OPEN_FILE_TEXT);  
+		}
+	}
+	if (downloader.state == STATE_IN_PROGRESS)
+	{
+		DrawStandartCaptButton(DL_Form.width - 190, but_y, 302, STOP_DOWNLOADING);
+		DrawDownloading();
+	}
+	WriteText(cleft, ed.top + 4, 0x90, system.color.work_text, "URL:");
     ed.width = DL_Form.cwidth - ed.left - cleft - 3;
-    ed.offset=0;
-    DrawEditBox(#ed);
+	ed.offset=0;
+	DrawEditBox(#ed);
 }
  
 void StartDownloading()
 {
-    StopDownloading();
-    if (strncmp(#downloader_edit,"http://",7)!=0) {
-        notify("'File address should start from http://' -E");
-        return;
-    }
-    if (!downloader.Start(#downloader_edit)) {
-        notify("'Error while starting download process.\nPlease, check entered path and internet connection.' -E");
-        StopDownloading();
-        return;
-    }
-    ed.blur_border_color = 0xCACACA;
-    ed.flags = 100000000000b;
-    pb.value = 0;
-    DL_Draw_Window();
+	StopDownloading();
+	if (strncmp(#downloader_edit,"http://",7)!=0) {
+		notify("'File address should start from http://' -E");
+		return;
+	}
+	if (!downloader.Start(#downloader_edit)) {
+		notify("'Error while starting download process.\nPlease, check entered path and internet connection.' -E");
+		StopDownloading();
+		return;
+	}
+	ed.blur_border_color = 0xCACACA;
+	ed.flags = 100000000000b;
+	pb.value = 0;
+	DL_Draw_Window();
 }
  
 void DrawDownloading()
 {
-    char bytes_received[70];
-    sprintf(#bytes_received, KB_RECEIVED, ConvertSizeToKb(downloader.data_downloaded_size) );
-    DrawBar(15, pb.top + 22, strlen(#bytes_received+4)*12, 16, system.color.work);
-    WriteText(15, pb.top + 22, 0x90, system.color.work_text, #bytes_received);
-    progressbar_draw stdcall(#pb);
+	char bytes_received[70];
+	sprintf(#bytes_received, KB_RECEIVED, ConvertSizeToKb(downloader.data_downloaded_size) );
+	DrawBar(15, pb.top + 22, strlen(#bytes_received+4)*12, 16, system.color.work);
+	WriteText(15, pb.top + 22, 0x90, system.color.work_text, #bytes_received);
+	progressbar_draw stdcall(#pb);
 }
  
 void StopDownloading()
 {
-    downloader.Stop();
-    ed.blur_border_color = 0xFFFfff;
-    ed.flags = 10b;
-    DL_Draw_Window();
+	downloader.Stop();
+	ed.blur_border_color = 0xFFFfff;
+	ed.flags = 10b;
+	DL_Draw_Window();
+}
+
+void SaveDownloadedFile()
+{
+	int i;
+	char aux[2048];
+	char notify_message[4296];
+
+	// Clean all slashes at the end
+	strcpy(#aux,  #downloader_edit);
+	while (aux[strlen(#aux)-1] == '/') {
+		aux[strlen(#aux)-1] = 0;
+	}
+	sprintf(#filepath, "%s/%s", #save_to, #aux+strrchr(#aux, '/'));
+	
+	for (i=0; i<strlen(#filepath); i++) if(filepath[i]==':')||(filepath[i]=='?')filepath[i]='-';
+
+	if (CreateFile(downloader.data_downloaded_size, downloader.bufpointer, #filepath)==0)
+		sprintf(#notify_message, "%s%s%s",FILE_SAVED_AS,#filepath,"' -Dt");
+	else
+		sprintf(#notify_message, "%s%s%s","'Download manager\nError! Can\96t save file as ",#filepath,"' -Et");
+	
+	notify(#notify_message);
 }
\ No newline at end of file
diff --git a/programs/cmm/lib/patterns/http_downloader.h b/programs/cmm/lib/patterns/http_downloader.h
index d51765bc16..e9719253d3 100644
--- a/programs/cmm/lib/patterns/http_downloader.h
+++ b/programs/cmm/lib/patterns/http_downloader.h
@@ -1,3 +1,77 @@
+//===================================================//
+//                                                   //
+//                       HTTP                        //
+//                                                   //
+//===================================================//
+
+struct _http
+{
+    dword url;
+    dword transfer;
+    dword content_length;
+    dword content_received;
+    dword status_code;
+    dword receive_result;
+    dword content_pointer;
+
+    dword get();
+    void free();
+    void receive();
+    bool handle_redirect();
+};
+
+dword _http::get(dword _url)
+{
+    url = _url;
+    http_get stdcall (url, 0, 0, #accept_language);
+    transfer = EAX;
+    return transfer;
+}
+
+void _http::free()
+{
+    http_free stdcall (transfer);
+    transfer=0;
+}
+
+void _http::receive()
+{
+    http_receive stdcall (transfer);
+    receive_result = EAX;
+
+    ESI = transfer;
+    if (!EAX) status_code = ESI.http_msg.status;
+    content_length = ESI.http_msg.content_length;
+    content_received = ESI.http_msg.content_received;
+
+ }
+
+bool _http::handle_redirect()
+{
+	dword redirect, i;
+	char redirect_url[4096*3], finaladress[4096*3];
+    http_find_header_field stdcall (transfer, "location\0");
+    if (EAX!=0) {
+        ESI = EAX;
+        EDI = #redirect_url;
+        do {
+            $lodsb;
+            $stosb;
+        } while (AL != 0) && (AL != 13) && (AL != 10);
+        DSBYTE[EDI-1]='\0';
+        get_absolute_url(#finaladress, url, #redirect_url);
+        strcpy(url, #finaladress);
+        return true;
+    }
+    return false;
+}
+
+//===================================================//
+//                                                   //
+//                    DOWNLOADER                     //
+//                                                   //
+//===================================================//
+
 
 enum { 
 	STATE_NOT_STARTED, 
@@ -6,11 +80,10 @@ enum {
 };
 
 struct DOWNLOADER {
+	_http httpd;
 	unsigned data_downloaded_size, data_full_size;
 	dword bufpointer, bufsize, url;
-	byte state;
-	dword http_transfer;
-	int http_status_code;
+	int state;
 	dword Start();
 	void Stop();
 	void Completed();
@@ -21,25 +94,24 @@ dword DOWNLOADER::Start(dword _url)
 {
 	url = _url;
 	state = STATE_IN_PROGRESS;
-	http_get stdcall (url, 0, 0, #accept_language);
-	http_transfer = EAX;
-	return http_transfer;
+	httpd.get(url);
+	return httpd.transfer;
 }
 
 void DOWNLOADER::Stop()
 {
 	state = STATE_NOT_STARTED;
-	if (http_transfer!=0)
+	if (httpd.transfer!=0)
 	{
-		EAX = http_transfer;
+		EAX = httpd.transfer;
 		EAX = EAX.http_msg.content_ptr;		// get pointer to data
 		$push EAX							// save it on the stack
-		http_free stdcall (http_transfer);	// abort connection
+		http_free stdcall (httpd.transfer);	// abort connection
 		$pop  EAX							
-		mem_Free(EAX);						// free data
-		http_transfer=0;
+		free(EAX);						// free data
+		httpd.transfer=0;
 		bufsize = 0;
-		bufpointer = mem_Free(bufpointer);
+		bufpointer = free(bufpointer);
 	}
 	data_downloaded_size = data_full_size = 0;
 }
@@ -47,39 +119,30 @@ void DOWNLOADER::Stop()
 void DOWNLOADER::Completed()
 {
 	state = STATE_COMPLETED;
-	ESI = http_transfer;
+	ESI = httpd.transfer;
 	bufpointer = ESI.http_msg.content_ptr;
 	bufsize = ESI.http_msg.content_received;
-	http_free stdcall (http_transfer);
-	http_transfer=0;
+	httpd.free();
 }
 
 int DOWNLOADER::MonitorProgress() 
 {
 	dword receive_result;
 	char redirect_url[4096*3], finaladress[4096*3];
-	if (http_transfer <= 0) return false;
-	http_receive stdcall (http_transfer);
+	if (httpd.transfer <= 0) return false;
+	http_receive stdcall (httpd.transfer);
 	receive_result = EAX;
-	EDI = http_transfer;
-	http_status_code = EDI.http_msg.status;
+	EDI = httpd.transfer;
+	httpd.status_code = EDI.http_msg.status;
 	data_full_size = EDI.http_msg.content_length;
 	data_downloaded_size = EDI.http_msg.content_received;
 	if (!data_full_size) data_full_size = data_downloaded_size * 6 + 1;
 
 	if (receive_result == 0) {
-		if (http_status_code >= 300) && (http_status_code < 400)
+		if (httpd.status_code >= 300) && (httpd.status_code < 400)
 		{
-			http_find_header_field stdcall (http_transfer, "location\0");
-			if (EAX!=0) {
-				ESI = EAX;
-				EDI = #redirect_url;
-				do {
-					$lodsb;
-					$stosb;
-				} while ((AL != 0) && (AL != 13) && (AL != 10));
-				DSBYTE[EDI-1]='\0';
-			}
+			httpd.handle_redirect();
+			strcpy(url, httpd.url);
 			get_absolute_url(#finaladress, url, #redirect_url);
 			Stop();
 			Start(#finaladress);
@@ -94,7 +157,7 @@ int DOWNLOADER::MonitorProgress()
 
 /*=====================================
 ==                                   ==
-==         CHECK URL TYPE            ==
+==         CHECK PATH TYPE           ==
 ==                                   ==
 =====================================*/
 
diff --git a/programs/cmm/liza/liza.c b/programs/cmm/liza/liza.c
index ff9baf39b1..9c6c63a171 100644
--- a/programs/cmm/liza/liza.c
+++ b/programs/cmm/liza/liza.c
@@ -26,6 +26,11 @@
 byte letter_icons[sizeof(file "img/letter_icons.raw")] = FROM "img/letter_icons.raw";
 #include "img/letter_icons.h"
 
+struct mockup
+{
+	dword transfer;
+} http = {0};
+
 //connection algorithm
 enum {
 	STOP,