Subversion Repositories Kolibri OS

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;;                                                                 ;;

;; Copyright (C) KolibriOS team 2017. All rights reserved.         ;;

;; Distributed under terms of the GNU General Public License       ;;

;;                                                                 ;;

;;  netsurf-installer - Set up Netsurf Browser on KolibriOS        ;;

;;               Author: ashmew2.                                  ;;

;;                                                                 ;;

;;  Inspired from downloader.asm by hidnplayr@kolibrios.org        ;;

;;            GENERAL PUBLIC LICENSE                               ;;

;;             Version 2, June 1991                                ;;

;;                                                                 ;;

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

URLMAXLEN       = 65535

FILENAMEMAXLEN  = 1024

__DEBUG_LEVEL__ = 2

__DEBUG__       = 1

format binary as ""

use32

        org     0x0

        db      'MENUET01'      ; header

        dd      0x01            ; header version

        dd      START           ; entry point

        dd      I_END          ; image size

        dd      I_END+0x1000    ; required memory

        dd      I_END+0x1000    ; esp

        dd      0x0             ; I_Path

        dd      0x0             ; I_Path

include '../../macros.inc'

include '../../proc32.inc'

include '../../dll.inc'

include '../../debug-fdo.inc'

include '../../develop/libraries/http/http.inc'

virtual at 0

        http_msg http_msg

end virtual

;; Parameters

;; HTTP URL to download

;; Target filename

proc get_file_over_http targeturl, targetfilename

    pusha

    xor eax, eax

    mov [write_to_file.current_offset], eax

    mov [write_to_file.bufsize], eax

    mov [write_to_file.bufptr], eax

    DEBUGF 1, "---- HTTP : Getting %s\n", [targeturl]

    invoke  HTTP_get, [targeturl], 0, FLAG_KEEPALIVE or FLAG_BLOCK, 0

    cmp     eax, 0

    je .http_error

    mov [httpstruct], eax

    ;; No HTTP errors, create a new file for the download.

    DEBUGF 1, "---- Creating new file : %s\n", [targetfilename]

    mcall 70, create_new_file

    cmp eax, 0

    jne .file_error

    .http_receive_loop:

        DEBUGF 1, "---- Receiving over http.\n"

        invoke HTTP_receive, [httpstruct]

        cmp eax, 0

        je .http_transfer_done

        mov ebp, [httpstruct]

        DEBUGF 1, "---- http flags = 0x%x.\n",     [ebp + http_msg.flags]

        test [ebp + http_msg.flags], 0xffff0000

        jnz .http_error

        mov ebp, [ebp + http_msg.content_received]

        cmp ebp, [write_to_file.current_offset]

        jle .http_receive_loop

        ;; Only proceed if we have more data in HTTP buffer than we have written to file.

        ;; Process data we got (write it to the file)

        mov ebp, [httpstruct]

        mov ecx, [ebp + http_msg.content_length]

        mov edx, [ebp + http_msg.content_received]

        DEBUGF 1, "---- Current file write offset : %u (http got : %u / %u)\n", [write_to_file.current_offset], edx, ecx

        sub edx, [write_to_file.current_offset]

        mov [write_to_file.bufsize], edx

        mov ecx, [ebp + http_msg.content_ptr]

        add ecx, [write_to_file.current_offset]

        mov [write_to_file.bufptr], ecx

        DEBUGF 1, "---- ecx + offset = 0x%x\n", ecx

        DEBUGF 1, "---- Writing to file %u bytes at 0x%x to %s\n", [write_to_file.bufsize], [write_to_file.bufptr], current_filename

        mcall 70, write_to_file

        cmp eax, 0

        jne .file_error

        DEBUGF 1, "---- Wrote to file %u bytes.\n", ebx

        add [write_to_file.current_offset], ebx

        DEBUGF 1, "---- File offset updated to : %u\n", [write_to_file.current_offset]

        jmp .http_receive_loop

    .file_error:

    DEBUGF 1, "file_erroR with eax = %u!", eax

        mcall -1

    .http_error:

    DEBUGF 1, "http_erroR!"

        mcall -1

    .http_transfer_done:

        ;; Write any remaining bytes from the http buffer into the file

         DEBUGF 1, "---- http flags = 0x%x.\n",     [httpstruct + http_msg.flags]

        DEBUGF 1, "Got %u bytes in total\n", [httpstruct + http_msg.content_length]

        mov ebp, [httpstruct]

        mov edx, [ebp + http_msg.content_length]

        sub edx, [write_to_file.current_offset]

        mov [write_to_file.bufsize], edx

        mov ecx, [ebp + http_msg.content_ptr]

        add ecx, [write_to_file.current_offset]

        mov [write_to_file.bufptr], ecx

        DEBUGF 1, "---- Final ecx + offset = 0x%x\n", ecx

        DEBUGF 1, "-- Writing to file %u bytes at 0x%x to %s\n", [write_to_file.bufsize], [write_to_file.bufptr], current_filename

        mcall 70, write_to_file

        cmp eax, 0

        jne .file_error

        DEBUGF 1, "-- Wrote to file %u bytes.\n", ebx

        add [write_to_file.current_offset], ebx

        DEBUGF 1, "-- File offset updated to : %u\n", [write_to_file.current_offset]

        mov ebp, [httpstruct]

        mov edx, [ebp + http_msg.content_length]

        cmp [write_to_file.current_offset], edx

        jne .http_transfer_done

    invoke HTTP_free, [httpstruct]

    popa

    ret

endp

proc make_new_folder newfolder

    pusha

    mov eax, [newfolder]

    mov [create_new_folder.foldername], eax

    mcall 70, create_new_folder

    test eax, eax

    jz .success

    DEBUGF 1, "Failed to create folder: %s\n", [newfolder]

    mcall -1

.success:

    popa

    ret

endp

START:

    mcall   68, 11                  ; init heap

; load libraries

    stdcall dll.Load, @IMPORT

    test    eax, eax

    jnz     .all_files_done_error

    DEBUGF 2, "-------------------------\n"

    DEBUGF 2, "NETSURF INSTALLER.\n"

    stdcall make_new_folder, dirname_res

    stdcall make_new_folder, dirname_res_pointers

    stdcall make_new_folder, dirname_res_throbber

    stdcall make_new_folder, dirname_res_icons

.get_next_file:

    mov        edi, current_url

    mov        esi, url

    @@:

        movsb

        cmp byte[esi], 0

        jne @b

    ;;  Loaded the base URL into current URL

    ;; Move onto the subsequent file.

    mov esi, [filelistoffset]

    cmp byte[esi], 0

    je  .all_files_done

    @@:

        movsb

        cmp byte[esi], 0

        jne @b

    movsb

    ;; DEBUGF 1, "-- Current URL with filename is : %s\n", current_url

; Create name of file we will download to

    mov esi, download_file_path

    mov edi, current_filename

    @@:

        movsb

        cmp byte[esi], 0

        jne @b

    mov esi, [filelistoffset]

    @@:

        movsb

        cmp byte[esi], 0

        jne @b

    movsb

    mov [filelistoffset], esi

    ;; current_filename is now set to the name of the file

    ;; current_url is now set to the name of the file we will get after download

    DEBUGF 2, "Fetching : %s", current_filename

    stdcall get_file_over_http, current_url, current_filename

    DEBUGF 2, "...DONE!\n"

    jmp .get_next_file

.all_files_done:

    DEBUGF 2, "-------------------------\n"

    DEBUGF 2, "NETSURF INSTALLED. Enjoy!\n"

    DEBUGF 2, "-------------------------\n"

    mcall -1

    ;; Inform user that all files are done

.all_files_done_error:

    DEBUGF 1, "FATAL ERROR: FAILED.\n", eax

    mcall -1

;---------------------------------------------------------------------

; Data area

;-----------------------------------------------------------------------------

align   4

@IMPORT:

library lib_http,       'http.obj'

import  lib_http, \

        HTTP_get,       'get', \

        HTTP_receive,   'receive', \

        HTTP_free,      'free'

include_debug_strings

download_file_path db '/tmp0/1/', 0

dirname_res db '/tmp0/1/res', 0

dirname_res_pointers db '/tmp0/1/res/pointers', 0

dirname_res_throbber db '/tmp0/1/res/throbber', 0

dirname_res_icons    db '/tmp0/1/res/icons', 0

url              db 'www.ashmew2.me/',0

filelist db 'nskolibrios', 0

         db 'res/adblock.css', 0

         db 'res/quirks.css', 0

         db 'res/Messages', 0

         db 'res/licence.html', 0

         db 'res/default.css', 0

         db 'res/netsurf.png', 0

         db 'res/sans.ttf', 0

         db 'res/welcome.html', 0

         db 'res/internal.css', 0

         db 'res/maps.html', 0

         db 'res/favicon.png', 0

         db 'res/credits.html', 0

         db 'res/throbber/throbber8.png', 0

         db 'res/throbber/throbber3.png', 0

         db 'res/throbber/throbber4.png', 0

         db 'res/throbber/throbber0.png', 0

         db 'res/throbber/throbber6.png', 0

         db 'res/throbber/throbber2.png', 0

         db 'res/throbber/throbber1.png', 0

         db 'res/throbber/throbber7.png', 0

         db 'res/throbber/throbber5.png', 0

         db 'res/pointers/point.png', 0

         db 'res/pointers/no_drop.png', 0

         db 'res/pointers/wait.png', 0

         db 'res/pointers/up-down.png', 0

         db 'res/pointers/help.png', 0

         db 'res/pointers/ru-ld.png', 0

         db 'res/pointers/menu.png', 0

         db 'res/pointers/not_allowed.png', 0

         db 'res/pointers/cross.png', 0

         db 'res/pointers/default.png', 0

         db 'res/pointers/caret.png', 0

         db 'res/pointers/left-right.png', 0

         db 'res/pointers/lu-rd.png', 0

         db 'res/pointers/progress.png', 0

         db 'res/pointers/move.png', 0

         db 'res/icons/back.png', 0

         db 'res/icons/back_g.png', 0

         db 'res/icons/scrollr.png', 0

         db 'res/icons/osk.png', 0

         db 'res/icons/forward_g.png', 0

         db 'res/icons/scrolll.png', 0

         db 'res/icons/history.png', 0

         db 'res/icons/forward.png', 0

         db 'res/icons/home_g.png', 0

         db 'res/icons/history_g.png', 0

         db 'res/icons/reload_g.png', 0

         db 'res/icons/scrollu.png', 0

         db 'res/icons/stop.png', 0

         db 'res/icons/scrolld.png', 0

         db 'res/icons/stop_g.png', 0

         db 'res/icons/home.png', 0

         db 'res/icons/reload.png', 0

         db 0

filelistoffset   dd filelist

httpstruct       dd 0

create_new_file    dd 2, 0, 0, 0, 0

    db 0

    dd current_filename

create_new_folder dd 9, 0, 0, 0, 0

                  db 0

 .foldername dd 0

write_to_file    dd 3

 .current_offset dd 0, 0

 .bufsize        dd 0

 .bufptr         dd 0

                 db 0

                 dd current_filename

socketdata       rb 4096

current_url      rb URLMAXLEN

current_filename rb FILENAMEMAXLEN

I_END: