HTTP library: support for non-standard port and HTTP proxy server.

git-svn-id: svn://kolibrios.org@4233 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr 2013-11-15 07:49:31 +00:00
parent 82ff339910
commit b8f49a3e81

View File

@ -6,6 +6,7 @@
;; HTTP library for KolibriOS ;;
;; ;;
;; Written by hidnplayr@kolibrios.org ;;
;; Proxy code written by CleverMouse ;;
;; ;;
;; GNU GENERAL PUBLIC LICENSE ;;
;; Version 2, June 1991 ;;
@ -152,14 +153,6 @@ endl
mov [pageaddr], ebx
mov [port], ecx
; Do we need to use a proxy?
cmp [proxyAddr], 0
jne .proxy_done
.proxy_done:
;;;;
; Connect to the other side.
stdcall open_connection, [hostname], [port]
test eax, eax
@ -177,6 +170,14 @@ endl
mov esi, str_get
copy_till_zero
; If we are using a proxy, send complete URL, otherwise send only page address.
cmp [proxyAddr], 0
je .no_proxy
mov esi, str_http ; prepend 'http://'
copy_till_zero
mov esi, [hostname]
copy_till_zero
.no_proxy:
mov esi, [pageaddr]
copy_till_zero
@ -193,6 +194,11 @@ endl
copy_till_zero
@@:
cmp byte[proxyUser], 0
je @f
call append_proxy_auth_header
@@:
mov esi, str_close
mov ecx, str_close.length
rep movsb
@ -258,15 +264,6 @@ endl
mov [pageaddr], ebx
mov [port], ecx
; Do we need to use a proxy?
cmp [proxyAddr], 0
jne .proxy_done
; TODO: set hostname to that of the
.proxy_done:
;;;;
; Connect to the other side.
stdcall open_connection, [hostname], [port]
test eax, eax
@ -284,6 +281,14 @@ endl
mov esi, str_head
copy_till_zero
; If we are using a proxy, send complete URL, otherwise send only page address.
cmp [proxyAddr], 0
je .no_proxy
mov esi, str_http ; prepend 'http://'
copy_till_zero
mov esi, [hostname]
copy_till_zero
.no_proxy:
mov esi, [pageaddr]
copy_till_zero
@ -300,6 +305,11 @@ endl
copy_till_zero
@@:
cmp byte[proxyUser], 0
je @f
call append_proxy_auth_header
@@:
mov esi, str_close
mov ecx, str_close.length
rep movsb
@ -367,15 +377,6 @@ endl
mov [pageaddr], ebx
mov [port], ecx
; Do we need to use a proxy?
cmp [proxyAddr], 0
jne .proxy_done
; TODO: set hostname to that of the
.proxy_done:
;;;;
; Connect to the other side.
stdcall open_connection, [hostname], [port]
test eax, eax
@ -393,6 +394,14 @@ endl
mov esi, str_post
copy_till_zero
; If we are using a proxy, send complete URL, otherwise send only page address.
cmp [proxyAddr], 0
je .no_proxy
mov esi, str_http ; prepend 'http://'
copy_till_zero
mov esi, [hostname]
copy_till_zero
.no_proxy:
mov esi, [pageaddr]
copy_till_zero
@ -408,7 +417,7 @@ endl
rep movsb
mov eax, [content_length]
call ascii_dec
call eax_ascii_dec
mov esi, str_post_ct
mov ecx, str_post_ct.length
@ -423,6 +432,11 @@ endl
copy_till_zero
@@:
cmp byte[proxyUser], 0
je @f
call append_proxy_auth_header
@@:
mov esi, str_close
mov ecx, str_close.length
rep movsb
@ -1147,6 +1161,15 @@ locals
socketnum dd ?
endl
cmp [proxyAddr], 0
je .no_proxy
mov [hostname], proxyAddr
push [proxyPort]
pop [port]
.no_proxy:
; Resolve the hostname
DEBUGF 1, "Resolving hostname\n"
push esp ; reserve stack place
@ -1216,12 +1239,14 @@ proc parse_url URL ;////////////////////////////////////////////////////////////
;;------------------------------------------------------------------------------------------------;;
;< eax = 0 (error) / ptr to ASCIIZ hostname ;;
;< ebx = ptr to ASCIIZ pageaddr ;;
;< ecx = port number ;;
;;================================================================================================;;
locals
urlsize dd ?
hostname dd ?
pageaddr dd ?
port dd ?
endl
DEBUGF 1, "parsing URL: %s\n", [URL]
@ -1238,10 +1263,7 @@ endl
inc esi
dec ecx
jnz .loop1
DEBUGF 1, "Invalid URL\n"
xor eax, eax
ret
jmp .invalid
.skip_proto:
inc esi ; skip the two '/'
@ -1266,7 +1288,7 @@ endl
push ecx edi ; remember the pointer and length of pageaddr
; Create new buffer and put hostname in it
; Create new buffer and put hostname in it.
mov ecx, edi
sub ecx, [URL]
inc ecx ; we will add a 0 byte at the end
@ -1282,10 +1304,40 @@ endl
xor al, al
stosb
; Check if user provided a port, and convert it if so.
mov esi, [hostname]
mov [port], 80 ; default port if user didnt provide one
.portloop:
lodsb
test al, al
jz .no_port
cmp al, ':'
jne .portloop
push esi
call ascii_dec_ebx
pop edi
cmp byte[esi-1], 0
jne .invalid
cmp [proxyAddr], 0 ; remove port number from hostname
jne @f ; unless when we are using proxy
mov byte[edi-1], 0
@@:
test ebx, ebx
je .invalid
cmp ebx, 0xffff
ja .invalid
mov [port], ebx
.no_port:
; Did user provide a pageaddr?
mov [pageaddr], str_slash ; assume there is no pageaddr
pop esi ecx
test ecx, ecx
jz .no_page
; Create new buffer and put pageaddr into it.
inc ecx ; we will add a 0 byte at the end
invoke mem.alloc, ecx
or eax, eax
@ -1297,11 +1349,11 @@ endl
rep movsb
xor al, al
stosb
.no_page:
.no_page:
mov eax, [hostname]
mov ebx, [pageaddr]
mov ecx, 80 ;;;; FIXME
mov ecx, [port]
DEBUGF 1, "hostname: %s\n", eax
DEBUGF 1, "pageaddr: %s\n", ebx
@ -1310,14 +1362,101 @@ endl
ret
.no_mem:
DEBUGF 1, "Out of memory!\n"
xor eax, eax
ret
.invalid:
DEBUGF 1, "Invalid URL!\n"
xor eax, eax
ret
endp
;;================================================================================================;;
proc ascii_dec ;//////////////////////////////////////////////////////////////////////////////////;;
proc append_proxy_auth_header ;///////////////////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? Appends the proxy authentication header ;;
;;------------------------------------------------------------------------------------------------;;
;> / ;;
;;------------------------------------------------------------------------------------------------;;
;< / ;;
;;================================================================================================;;
mov esi, str_proxy_auth
mov ecx, str_proxy_auth.length
rep movsb
; base64-encode string <user>:<password>
mov esi, proxyUser
apah000:
lodsb
test al, al
jz apah001
call encode_base64_byte
jmp apah000
apah001:
mov al, ':'
call encode_base64_byte
mov esi, proxyPassword
apah002:
lodsb
test al, al
jz apah003
call encode_base64_byte
jmp apah002
apah003:
call encode_base64_final
ret
encode_base64_byte:
inc ecx
shl edx, 8
mov dl, al
cmp ecx, 3
je ebb001
ret
ebb001:
shl edx, 8
inc ecx
ebb002:
rol edx, 6
xor eax, eax
xchg al, dl
mov al, [base64_table+eax]
stosb
loop ebb002
ret
encode_base64_final:
mov al, 0
test ecx, ecx
jz ebf000
call encode_base64_byte
test ecx, ecx
jz ebf001
call encode_base64_byte
mov byte [edi-2], '='
ebf001:
mov byte [edi-1], '='
ebf000:
ret
endp
;;================================================================================================;;
proc eax_ascii_dec ;//////////////////////////////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? Convert eax to ASCII decimal number ;;
;;------------------------------------------------------------------------------------------------;;
@ -1350,6 +1489,35 @@ proc ascii_dec ;////////////////////////////////////////////////////////////////
endp
;;================================================================================================;;
proc ascii_dec_ebx ;//////////////////////////////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? Convert ASCII decimal number to ebx ;;
;;------------------------------------------------------------------------------------------------;;
;> esi = ptr where to read ASCII decimal number ;;
;;------------------------------------------------------------------------------------------------;;
;> ebx = number ;;
;;================================================================================================;;
xor eax, eax
xor ebx, ebx
.loop:
lodsb
sub al, '0'
jb .done
cmp al, 9
ja .done
lea ebx, [ebx + 4*ebx]
shl ebx, 1
add ebx, eax
jmp .loop
.done:
ret
endp
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
@ -1427,6 +1595,8 @@ str_close db 13, 10, 'User-Agent: KolibriOS libHTTP/1.0', 13, 10, 'Connect
str_proxy_auth db 13, 10, 'Proxy-Authorization: Basic '
.length = $ - str_proxy_auth
str_http db 'http://', 0
base64_table db 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
db '0123456789+/'