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; 2010 Added by Tuncay a prefix "InternetFileRead_" to all functions.
/*
___ _ _ _____ _ _ ____ _
|_ _|_ __ | |_ ___ _ __ _ __ ___| |_| ___(_) | ___| _ \ ___ __ _ __| |
| || '_ \| __/ _ \ '__| '_ \ / _ \ __| |_ | | |/ _ \ |_) / _ \/ _` |/ _` |
| || | | | || __/ | | | | | __/ |_| _| | | | __/ _ < __/ (_| | (_| |
|___|_| |_|\__\___|_| |_| |_|\___|\__|_| |_|_|\___|_| \_\___|\__,_|\__,_|
by SKAN ( Suresh Kumar A N, arian.suresh@gmail.com )
Created: 24-Jun-2009 | LastEdit: 03-Jul-2009
Forum Topic: www.autohotkey.com/forum/viewtopic.php?t=45718
Included : InternetFileRead(), DLP() Progress Bar, VarZ_Save(),Examples
____________________________________________________________________________
Credit:
Olfen for his topics:
DllCall: HttpQueryInfo - Get HTTP headers
- www.autohotkey.com/forum/topic10510.html
UrlDownloadToVar()
- www.autohotkey.com/forum/topic10466.html
Lexikos for:
For supporting this project with valuable info,
especially:
code/method to support FTP read
- www.autohotkey.com/forum/viewtopic.php?p=277646#277646
clarifying alternative parameter for proxy issues
- www.autohotkey.com/forum/viewtopic.php?p=279205#279205
- www.autohotkey.com/forum/viewtopic.php?p=279210#279210
Thanks to all the replies in Forum Topic which motivates me to perfect this.
*/
;?out-begin
/*
#SingleInstance Force
; Example 1: Download the leading 100 bytes of default HTML and extract a part of text.
URL := "http://www.formyip.com/"
If ( InternetFileRead( IP, URL, 100, 100, "No-Progress" ) > 0 )
MsgBox, 64, Your External IP Address
, % IP := SubStr( IP,SP:=InStr(IP,"My ip address ")+17,InStr(IP," ",0,SP+1)-SP )
; Example 2, Download a binary file ( AHK Script Decompiler ) and save it.
URL := "http://www.autohotkey.com/download/Exe2Ahk.exe"
If ( InternetFileRead( binData, URL, False, 10240, "No-Progress" ) > 0 && !ErrorLevel )
If VarZ_Save( binData, A_ScriptDir "\Exe2Ahk.exe" )
MsgBox, 64, AHK Script Compiler Downloaded and Saved, % A_ScriptDir "\Exe2Ahk.exe"
; Example 3, Download a FTP file: EditPlus 3.11 Evaluation Version (1 MB) and save it.
URL := "ftp://ftp.editplus.com/epp311_en.exe"
If ( InternetFileRead( binData, URL ) > 0 && !ErrorLevel )
If VarZ_Save( binData, A_Temp "\epp311_en.exe" ) {
Sleep 500
DLP( False ) ; or use Progress, off
Run %A_Temp%\epp311_en.exe
}
; AHK will automatically unload libraries on exit. If you are particular, here is a method
; to unload Wininet library without a handle.
DllCall( "FreeLibrary", UInt,DllCall( "GetModuleHandle", Str,"wininet.dll") )
Return ; // end of auto-execute section //
*/
;?out-end
InternetFileRead( ByRef V, URL="", RB=0, bSz=1024, DLP="DLP", F=0x84000000 ) {
Static LIB="WININET\", QRL=16, CL="00000000000000", N=""
If ! DllCall( "GetModuleHandle", Str,"wininet.dll" )
DllCall( "LoadLibrary", Str,"wininet.dll" )
If ! hIO:=DllCall( LIB "InternetOpenA", Str,N, UInt,4, Str,N, Str,N, UInt,0 )
Return -1
If ! (( hIU:=DllCall( LIB "InternetOpenUrlA", UInt,hIO, Str,URL, Str,N, Int,0, UInt,F
, UInt,0 ) ) || ErrorLevel )
Return 0 - ( !DllCall( LIB "InternetCloseHandle", UInt,hIO ) ) - 2
If ! ( RB )
If ( SubStr(URL,1,4) = "ftp:" )
CL := DllCall( LIB "FtpGetFileSize", UInt,hIU, UIntP,0 )
Else If ! DllCall( LIB "HttpQueryInfoA", UInt,hIU, Int,5, Str,CL, UIntP,QRL, UInt,0 )
Return 0 - ( !DllCall( LIB "InternetCloseHandle", UInt,hIU ) )
- ( !DllCall( LIB "InternetCloseHandle", UInt,hIO ) ) - 4
VarSetCapacity( V,64 ), VarSetCapacity( V,0 )
SplitPath, URL, FN,,,, DN
FN:=(FN ? FN : DN), CL:=(RB ? RB : CL), VarSetCapacity( V,CL,32 ), P:=&V,
B:=(bSz>CL ? CL : bSz), TtlB:=0, LP := RB ? "Unknown" : CL, %InternetFileRead_DLP%( True,CL,FN ) ;?Added Prefix to %DLP%
Loop {
If ( DllCall( LIB "InternetReadFile", UInt,hIU, UInt,P, UInt,B, UIntP,R ) && !R )
Break
P:=(P+R), TtlB:=(TtlB+R), RemB:=(CL-TtlB), B:=(RemB<B ? RemB : B), %InternetFileRead_DLP%( TtlB,LP ) ;?Added Prefix to %DLP%
Sleep -1
} TtlB<>CL ? VarSetCapacity( T,TtlB ) DllCall( "RtlMoveMemory", Str,T, Str,V, UInt,TtlB )
. VarSetCapacity( V,0 ) . VarSetCapacity( V,TtlB,32 ) . DllCall( "RtlMoveMemory", Str,V
, Str,T, UInt,TtlB ) . %InternetFileRead_DLP%( TtlB, TtlB ) : N ;?Added Prefix to %DLP%
If ( !DllCall( LIB "InternetCloseHandle", UInt,hIU ) )
+ ( !DllCall( LIB "InternetCloseHandle", UInt,hIO ) )
Return -6
Return, VarSetCapacity(V)+((ErrorLevel:=(RB>0 && TtlB<RB)||(RB=0 && TtlB=CL) ? 0 : 1)<<64)
}
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; The following function is an add-on to provide "Download Progress" to InternetFileRead()
; InternetFileRead() calls DLP() dynamically, i.e., will not error-out if DLP() is missing
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
InternetFileRead_DLP( WP=0, LP=0, Msg="" ) { ;?Added Prefix
If ( WP=1 ) {
SysGet, m, MonitorWorkArea, 1
y:=(mBottom-46-2), x:=(mRight-370-2), VarSetCapacity( Size,16,0 )
DllCall( "shlwapi.dll\StrFormatByteSize64A", Int64,LP, Str,Size, UInt,16 )
Size := ( Size="0 bytes" ) ? N : "«" Size "»"
Progress, CWE6E3E4 CT000020 CBF73D00 x%x% y%y% w370 h46 B1 FS8 WM700 WS400 FM8 ZH8 ZY3
,, %Msg% %Size%, InternetFileRead(), Tahoma
WinSet, Transparent, 210, InternetFileRead()
} Progress,% (P:=Round(WP/LP*100)),% "Memory Download: " wp " / " lp " [ " P "`% ]"
IfEqual,wP,0, Progress, Off
}
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
; The following function is a part of: VarZ 46L - Native Data Compression
; View topic : www.autohotkey.com/forum/viewtopic.php?t=45559
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
InternetFileRead_VarZ_Save( byRef V, File="" ) { ; www.autohotkey.net/~Skan/wrapper/FileIO16/FileIO16.ahk ;?Added Prefix
Return ( ( hFile := DllCall( "_lcreat", Str,File, UInt,0 ) ) > 0 )
? DllCall( "_lwrite", UInt,hFile, Str,V, UInt,VarSetCapacity(V) )
+ ( DllCall( "_lclose", UInt,hFile ) << 64 ) : 0
}