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umain.pas
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umain.pas
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unit uMain;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, ExtCtrls,
ComCtrls, Buttons, IdHTTP, IdSSLOpenSSL, IniFiles,
IdComponent, shellapi;
type
{ TfrmMain }
TfrmMain = class(TForm)
btnAbort: TBitBtn;
btnRun: TBitBtn;
http: TIdHTTP;
iohandler: TIdSSLIOHandlerSocketOpenSSL;
m: TMemo;
pnlBottom: TPanel;
ProgressBar: TProgressBar;
timer: TTimer;
procedure btnAbortClick(Sender: TObject);
procedure btnRunClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure httpWork(ASender: TObject; AWorkMode: TWorkMode; AWorkCount: int64);
procedure timerTimer(Sender: TObject);
private
procedure LoadParams(ASectionPostfix: string);
function GetVersions: TStringList;
procedure DoUpdate(ASectionPostfix: string);
procedure Log(const msg: string);
function Body2FileList(const ARelUrl: string; const ALogPrefix: string;
const APostfix: string): TStringList;
function GetBodyFirstLine: string;
procedure DownloadDir(const ARelURL: string; const ADestDir: string;
const ALogPrefix: string = '');
function GetBodyFileName: string;
// function GetContentType: string;
// function GetHeaderFileName: string;
procedure Get(RelUrl: string);
procedure SetupHTTP;
procedure CopyAllFiles(ASourceDir, ADestDir: string;
AReset_Rights: boolean = False; AOverWrite: boolean = True);
function IsParentURL(AParentURL, ACurrentURL: string): boolean;
procedure DoRun;
public
FIniFile: TIniFile;
FLogFile: TFileStream;
FSectionPostfix: string;
FServerSection: string;
FProxySection: string;
FResourceSection: string;
FDestinationSection: string;
FProto: string;
FHost: string;
FPort: integer;
FProxyHost: string;
FProxyPort: integer;
FProxyUser: string;
FProxyPassword: string;
FRun: string;
FRunParams: string;
FResourceName: string;
FLastVersionDir: string;
FLastVersion: string;
FVersionPath: string;
FDownloadDir: string;
FInstallDir: string;
FCheckWritable: string;
FReplicate: boolean;
FSectionIndex: integer;
FAbort: boolean;
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
end;
var
frmMain: TfrmMain;
implementation
uses
fileutil, uHelp, uFunctions;
{$R *.lfm}
{ TfrmMain }
constructor TfrmMain.Create(AOwner: TComponent);
var
fpath: string;
flogfilepath: string;
begin
inherited;
FSectionIndex := 1;
FAbort := False;
if ParamCount > 0 then
begin
if ((ParamStr(1) = '/?') or (ParamStr(1) = '-h') or
(ParamStr(1) = '--help')) then
begin
TfrmHelp.Execute;
Application.Terminate;
exit;
end;
if not FileExists(ParamStr(1)) then
raise Exception.Create('Nem található: ' + ParamStr(1));
FIniFile := TIniFile.Create(ParamStr(1));
end
else
begin
fpath := GetExeDir + 'checkup.ini';
if not FileExists(fpath) then
fpath := GetExeDir + 'autoupdate.ini';
if not FileExists(fpath) then
raise Exception.Create('Nem található: checkup.ini');
FIniFile := TIniFile.Create(fpath);
end;
flogfilepath := GetExedir + 'CheckUp.log';
if FileExists(flogfilepath) then
begin
FLogFile := TFileStream.Create(flogfilepath, fmOpenWrite or fmShareDenyWrite);
FLogFile.Seek(0, soEnd);
end
else
begin
FLogFile := TFileStream.Create(flogfilepath, fmCreate or fmOpenWrite);
end;
end;
destructor TfrmMain.Destroy;
begin
try
FIniFile.Free;
FLogFile.Free;
finally
inherited;
end;
end;
procedure TfrmMain.Log(const msg: string);
var
s: string;
begin
m.Lines.add(msg);
s := DateTimeToStr(now) + ': ' + msg + #13 + #10;
FLogFile.Write(s[1], Length(s));
end;
procedure TfrmMain.LoadParams(ASectionPostfix: string);
begin
with FIniFile do
begin
FSectionPostfix := ASectionPostfix;
if SectionExists('Server' + ASectionPostfix) then
begin
FServerSection := 'Server' + ASectionPostfix;
end
else
begin
FServerSection := 'Server';
end;
FProto := ReadString(FServerSection, 'Proto', 'http');
FHost := ReadString(FServerSection, 'Host', '');
FPort := ReadInteger(FServerSection, 'Port', 8000);
Log(FServerSection + ': ' + FProto + '://' + FHost + ':' + IntToStr(FPort));
if SectionExists('Proxy' + ASectionPostfix) then
begin
FProxySection := 'Proxy' + ASectionPostfix;
end
else
begin
FProxySection := 'Proxy';
end;
FProxyHost := ReadString(FProxySection, 'Host', '');
FProxyPort := ReadInteger(FProxySection, 'Port', 80);
FProxyUser := ReadString(FProxySection, 'User', '');
FProxyPassword := ReadString(FProxySection, 'Password', '');
if FProxyHost <> '' then
Log(FProxySection + ': ' + FProxyHost + ':' + IntToStr(FProxyPort));
FRun := ReadString('AfterUpdate' + ASectionPostfix, 'Run', '');
FRunParams := ReadString('AfterUpdate' + ASectionPostfix, 'Params', '');
FResourceSection := 'Resource' + ASectionPostfix;
FResourceName := ReadString(FResourceSection, 'Name', '');
if (FResourceName <> '') then
begin
if FResourceName[Length(FResourceName)] <> '/' then
FResourceName := FResourceName + '/';
end;
FVersionPath := ReadString(FResourceSection, 'VersionPath', '');
FLastVersionDir := ReadString(FResourceSection, 'LastVersionDir', '');
FLastVersion := ReadString(FResourceSection, 'LastVersion', '');
Log(FResourceSection + ': ' + FResourceName);
FDestinationSection := 'Destination' + ASectionPostfix;
FDownloadDir := ReadString(FDestinationSection, 'DownloadDir', '');
if FDownloadDir = '' then
FDownloadDir := GetExedir + 'Download';
FInstallDir := ReadString(FDestinationSection, 'InstallDir', '');
if FInstallDir = '' then
FInstallDir := StrDec(GetExedir);
FCheckWritable := ReadString(FDestinationSection, 'CheckWritable', '');
if FCheckWritable = '' then
FCheckWritable := GetExedir + FRun;
FReplicate := ReadInteger(FDestinationSection, 'Replicate', 0) <> 0;
Log('Local version: ' + FLastVersion);
Log('Local version dir: ' + FLastVersionDir);
end;
end;
function TfrmMain.GetBodyFileName: string;
begin
Result := GetExedir + 'BODY';
end;
procedure TfrmMain.SetupHTTP;
begin
with http do
begin
if FProxyHost <> '' then
begin
ProxyParams.ProxyServer := FProxyHost;
ProxyParams.ProxyPort := FProxyPort;
ProxyParams.ProxyUsername := FProxyUser;
ProxyParams.ProxyPassword := FProxyPassword;
end;
end;
end;
procedure TfrmMain.Get(RelUrl: string);
var
resp: TFileStream;
cnt: integer;
url: string;
begin
if FileExists(GetBodyFileName) then
DeleteFile(GetBodyFileName);
resp := TFileStream.Create(GetBodyFileName, fmCreate or fmShareDenyWrite);
cnt := 0;
try
repeat
try
// For https, openssl dlls are needed.
// http://www.indyproject.org/sockets/ssl.en.aspx
url := FProto + '://' + FHost + ':' + IntToStr(FPort) + RelUrl;
Log(' GET ' + url);
http.Get(url, resp);
Application.ProcessMessages;
break;
except
on E: EIdHTTPProtocolException do
begin
Log('HTTP ' + IntToStr(e.ErrorCode)+': '+e.Message);
raise;
end;
on E: Exception do
begin
Log(e.Message);
Log('HIBA('+IntToStr(cnt)+') - hamarosan újra próbálom');
if cnt > 20 then
raise;
sleep(300);
Inc(cnt);
end;
end;
until False;
Application.ProcessMessages;
finally
resp.Free;
end;
end;
function TfrmMain.Body2FileList(const ARelUrl: string; const ALogPrefix: string;
const APostfix: string): TStringList;
var
index: integer;
b, bu: string;
nnname: string;
prefix: string;
begin
prefix := FResourceName + ARelUrl;
b := File2String(GetBodyFileName);
bu := AnsiUpperCase(b);
Result := TStringList.Create;
repeat
index := Pos('HREF="', bu);
if index > 0 then
begin
b := System.Copy(b, index + Length('HREF="'), Length(b));
bu := System.Copy(bu, index + Length('HREF="'), Length(bu));
index := Pos('"', bu);
if index > 0 then
begin
nnname := Trim(System.Copy(b, 1, index - 1));
if Pos(prefix, nnname) = 1 then
nnname := System.Copy(nnname, Length(prefix) + 1, Length(nnname));
if (Length(nnname) > 1) then
begin
if (APostfix = '') or ((APostfix <> '') and StrEndsWith(nnname, APostfix)) then
begin
Result.Add(nnname);
Log(ALogPrefix + nnname);
end;
end;
b := System.Copy(b, index + Length('"'), Length(b));
bu := System.Copy(bu, index + Length('"'), Length(bu));
end
else
break;
end
else
break;
until False;
end;
function URLIsDir(url: string): boolean;
begin
Result :=
(Length(url) > 0) and (url[Length(url)] = '/');
end;
procedure TfrmMain.TimerTimer(Sender: TObject);
var
secname: string;
begin
if Showing then
begin
if btnRun.Enabled then
exit;
Timer.Enabled := False;
if FSectionIndex = 1 then
begin
DoUpdate('');
end
else
begin
secname := 'Resource' + IntToStr(FSectionIndex);
if not FIniFile.SectionExists(secname) then
begin
Close;
Exit;
end;
if FIniFile.SectionExists(secname) then
begin
DoUpdate(IntToStr(FSectionIndex));
end;
end;
Inc(FSectionIndex);
Timer.Enabled := True;
end;
end;
procedure TfrmMain.DoUpdate(ASectionPostfix: string);
var
FVersions: TStringList;
FNewestVersion: string;
FNewestVersionDir: string;
fs: TFileStream;
begin
//if ASectionPostfix<>'' then
Log('Következő szekció fedolgozása: ' + ASectionPostfix);
LoadParams(ASectionPostfix);
SetupHTTP;
FVersions := nil;
FNewestVersionDir := '';
if FVersionPath <> '' then
begin
Get(FVersionPath);
FNewestVersion := GetBodyFirstLine;
if FNewestVersion = '' then
raise Exception.Create('Az utolsó verzió neve nem határozható meg' +
' (' + FVersionPath + '), nem lehet frissíteni.');
end
else
begin
FVersions := GetVersions;
if FVersions.Count = 0 then
begin
FVersions.Free;
raise Exception.Create(
'Nincsenek elérhető verziók, talán rosszak a beállítások.');
end;
FVersions.Sort;
FNewestVersionDir := FVersions[FVersions.Count - 1];
FNewestVersion := FNewestVersionDir;
end;
try
if FNewestVersion <> FLastVersion then
begin
// Ha VersionPath -ot használtunk, akkor még mindig le kell tölteni
// a verzió könyvtár listát, és kiszedni az utolsót.
if FVersions = nil then
begin
FVersions := GetVersions;
if FVersions.Count = 0 then
begin
FVersions.Free;
raise Exception.Create(
'Nincsenek elérhető verziók, talán rosszak a beállítások.');
end;
FVersions.Sort;
FNewestVersionDir := FVersions[FVersions.Count - 1];
end;
if (FCheckWritable <> '') and FileExists(FCheckWritable) then
begin
Log('Írhatóság ellenőrzése: ' + FCheckWritable);
while not FAbort do
begin
try
fs := TFileStream.Create(FCheckWritable, fmOpenReadWrite or
fmShareDenyWrite);
fs.Free;
break; // Successful write attempt.
except
on E: EFOpenError do
begin
Log(E.Message);
if MessageDlg('Kérdés',
'Van elérhető új verzió, de a frissítést nem lehet elvégezni, mert a következő állomány nem írható: '
+ #13 + #13 + FCheckWritable + #13 + #13 +
'Ha már fut a program egy példánya, akkor lépjen ki belőle, mielőtt a frissítéseket elvégezné, és próbálja újra.' + #13 + 'Szeretné most újra megpróbálni?', mtConfirmation, [mbYes, mbNo], '') <> mrYes then
Abort;
end;
end;
end;
end;
if FAbort then
begin
Log('Megszakítva.');
Exit;
end;
Log('Frissítés erre a verzióra: ' + FNewestVersion);
Log('Frissítés erre a könyvtárra: ' + FNewestVersionDir);
Log('-------------------------------');
if not DirectoryExists(FDownloadDir) then
MkDir(FDownloadDir);
FDownloadDir := FDownloadDir + '\' + StrDec(FNewestVersionDir);
if not DirectoryExists(FInstallDir) then
MkDir(FInstallDir);
if StrEndsWith(FResourceName,'/')
then DownloadDir(FResourceName + FNewestVersionDir, FDownloadDir)
else DownloadDir(FResourceName + '/' + FNewestVersionDir, FDownloadDir);
Log('-------------------------------');
if FAbort then
begin
Log('Megszakítva.');
Exit;
end;
if FReplicate then
begin
FInstallDir := FInstallDir + '\' + StrDec(FNewestVersionDir);
if not DirectoryExists(FInstallDir) then
MkDir(FInstallDir);
end;
if FAbort then
begin
Log('Megszakítva.');
Exit;
end;
CopyAllFiles(FDownloadDir, FInstallDir);
FIniFile.WriteString(FResourceSection, 'LastVersion', FNewestVersion);
FIniFile.WriteString(FResourceSection, 'LastVersionDir', FNewestVersionDir);
end
else
begin
Log('Úgy tűnik ez már a legújabb verzió...');
end;
Log('-------------------------------');
(*
if CtrlDown and (FRun<>'') then
begin
Log('Futtatni: ' + FRun);
btnRun.Enabled := true;
Log('--------[ CTRL lenyomva ]-------');
Log('Nyomja meg a futtatás vagy a megszakítás gombot a folytatáshoz.');
end else begin
DoRun;
btnRun.Enabled := false;
end;
*)
DoRun;
btnRun.Enabled := False;
finally
FVersions.Free;
end;
end;
procedure TfrmMain.DoRun;
begin
if FRun <> '' then
ShellExecute(
0,nil,
PChar(GetExeDir + FRun),
PChar(FRunParams),
PChar(GetExeDir),
1 // SW_SHOWNORMAL
);
end;
function TfrmMain.GetVersions: TStringList;
begin
Log('Verziók keresése...');
Get(FResourceName + '/');
Result := Body2FileList('/', ' -> ', '/');
end;
// Igazat ad ha AParentURL az ACurrentURL parent-je
function TfrmMain.IsParentURL(AParentURL, ACurrentURL: string): boolean;
begin
if (AParentUrl = '..') or (AParentUrl = '../') or
(Pos(AParentURL, ACurrentURL) = 1) or (AParentURL = ACurrentURL + '/..') or
(AParentURL = ACurrentURL + '/../') or (AParentURL = ACurrentURL + '..') or
(AParentURL = ACurrentURL + '../') then
Result := True
else
Result := False;
end;
procedure TfrmMain.DownloadDir(const ARelURL: string; const ADestDir: string;
const ALogPrefix: string = '');
var
FFiles: TStringList;
index: integer;
item_url, dirname: string;
begin
if not DirectoryExists(ADestDir) then
MkDir(ADestDir);
if StrStartsWith(ARelURL, '/')
then Get(ARelURL)
else Get('/' + ARelURL);
FFiles := Body2FileList('/' + ARelURL, ALogPrefix, '');
try
if FAbort then
begin
Log('DownloadDir: Megszakítva.');
Exit;
end;
for index := 0 to FFiles.Count - 1 do
begin
// Itt megnézzük hogy parent dir hivatkozás van-e
if not IsParentURL(FFiles[index], FResourceName + '/' + ARelUrl) then
begin
item_url := ARelUrl + FFiles[index];
Log('Letöltés ' + item_url);
if StrStartsWith(item_url, '/')
then Get(item_url)
else Get('/' + item_url);
if URLIsDir(item_url) then
begin
dirname := StrDec(FFiles[index]);
DownloadDir(
ARelUrl + FFiles[index],
ADestDir + '\' + dirname,
ALogPrefix + '/' + dirname
);
end
else
RenameFile(
GetBodyFileName,
ADestDir + '\' + FFiles[index]
);
end;
if FAbort then
begin
Log('DownloadDir: Megszakítva.');
Exit;
end;
end;
finally
FFiles.Free;
end;
end;
procedure TfrmMain.CopyAllFiles(ASourceDir, ADestDir: string;
AReset_Rights: boolean = False; AOverWrite: boolean = True);
var
F: TSearchRec;
res: integer;
procedure DoCopy(AFileName: string);
var
SourceFile: string;
DestFile: string;
begin
Repaint;
SourceFile := ASourceDir + '\' + AFileName;
DestFile := ADestDir + '\' + AFileName;
Log('Copy: ' + DestFile);
if DirectoryExists(SourceFile) then
begin
// Könyvtár másolása
if not DirectoryExists(DestFile) then
if not CreateDir(DestFile) then
raise Exception.Create(
'Nem lehetett létrehozni ezt a könyvtárat: ' + #13 + DestFile);
CopyAllFiles(SourceFile, DestFile);
end
else
begin
// Állomány másolása
if FileExists(DestFile) then
begin
if not AOverWrite then
raise Exception.Create('Ez az állomány már létezik: ' +
DestFile);
if AReset_Rights then
if (FileSetAttr(DestFile, faArchive) <> 0) or
(not DeleteFile(DestFile)) then
raise Exception.Create('Nem törölhető: ' + DestFile);
end;
if not CopyFile(SourceFile, DestFile, False) then
raise Exception.Create('Nem másolható: ' + #13 + SourceFile +
' -> ' + DestFile);
if AReset_Rights then
if FileSetAttr(DestFile, faArchive) <> 0 then
ShowMessage(
'Figyelem! ' + #13 + 'File attribútum nem törölhető: ' +
#13 + DestFile
);
end;
end;
begin
res := FindFirst(ASourceDir + '\*.*', SysUtils.faReadOnly or
SysUtils.faDirectory, F);
try
while res = 0 do
begin
if FAbort then
begin
Log('CopyAllFiles: Megszakítva.');
Exit;
end;
if (F.Name <> '.') and (F.Name <> '..') and (F.Name <> '../') then
DoCopy(F.Name);
res := FindNext(F);
end;
finally
FindClose(F);
end;
end;
function TfrmMain.GetBodyFirstLine: string;
var
body: string;
idx: integer;
begin
body := File2String(GetBodyFileName);
idx := Pos('\n', body);
if (idx > 0) then
begin
body := System.Copy(body, 1, idx);
end;
Result := Trim(body);
end;
procedure TfrmMain.btnRunClick(Sender: TObject);
begin
DoRun;
btnRun.Enabled := False;
end;
procedure TfrmMain.FormCreate(Sender: TObject);
begin
end;
procedure TfrmMain.httpWork(ASender: TObject; AWorkMode: TWorkMode; AWorkCount: int64);
begin
with http do
begin
if Response.ContentLength > 0 then
ProgressBar.Max := Response.ContentLength;
if (AWorkCount >= 0) and (AWorkCount <= Response.ContentLength) then
ProgressBar.Position := AWorkCount;
end;
//if FAbort then
// http.Abort ???
Application.ProcessMessages;
end;
procedure TfrmMain.btnAbortClick(Sender: TObject);
begin
btnRun.Enabled := True;
FAbort := True;
Close;
end;
end.