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| unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, IdFTPList, IdFTPServer, IDTCPServer, IdSocketHandle, idglobal,
IdHashCRC, IdBaseComponent, IdComponent;
type
TForm1 = class(TForm)
FTPServer: TIdFTPServer;
procedure FTPServerUserLogin(ASender: TIdFTPServerThread;
const AUsername, APassword: String; var AAuthenticated: Boolean);
procedure FTPServerChangeDirectory(ASender: TIdFTPServerThread;
var VDirectory: String);
procedure FTPServerDeleteFile(ASender: TIdFTPServerThread;
const APathName: String);
procedure FTPServerGetFileSize(ASender: TIdFTPServerThread;
const AFilename: String; var VFileSize: Int64);
procedure FTPServerMakeDirectory(ASender: TIdFTPServerThread;
var VDirectory: String);
procedure FTPServerRemoveDirectory(ASender: TIdFTPServerThread;
var VDirectory: String);
procedure FTPServerStoreFile(ASender: TIdFTPServerThread;
const AFileName: String; AAppend: Boolean; var VStream: TStream);
procedure FTPServerRetrieveFile(ASender: TIdFTPServerThread;
const AFileName: String; var VStream: TStream);
procedure FTPServerRenameFile(ASender: TIdFTPServerThread;
const ARenameFromFile, ARenameToFile: String);
procedure FTPServerListDirectory(ASender: TIdFTPServerThread;
const APath: String; ADirectoryListing: TIdFTPListItems);
private
public
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
function CalculateCRC( const path: string ) : string;
var
f: tfilestream;
value: dword;
IdHashCRC32: TIdHashCRC32;
begin
IdHashCRC32 := nil;
f := nil;
try
IdHashCRC32 := TIdHashCRC32.create;
f := TFileStream.create( path, fmOpenRead or fmShareDenyWrite ) ;
value := IdHashCRC32.HashValue( f ) ;
result := inttohex( value, 8 ) ;
finally
f.free;
IdHashCRC32.free;
end;
end;
function StartsWith( const str, substr: string ) : boolean;
begin
result := copy( str, 1, length( substr ) ) = substr;
end;
function BackSlashToSlash( const str: string ) : string;
var
a: dword;
begin
result := str;
for a := 1 to length( result ) do
if result[a] = '\' then
result[a] := '/';
end;
function SlashToBackSlash( const str: string ) : string;
var
a: dword;
begin
result := str;
for a := 1 to length( result ) do
if result[a] = '/' then
result[a] := '\';
end;
function TransLatePath( const APathname, homeDir: string ) : string;
var
tmppath: string;
begin
result := SlashToBackSlash( homeDir ) ;
tmppath := SlashToBackSlash( APathname ) ;
if homedir = '/' then
begin
result := tmppath;
exit;
end;
if length( APathname ) = 0 then
exit;
if result[length( result ) ] = '\' then
result := copy( result, 1, length( result ) - 1 ) ;
if tmppath[1] <> '\' then
result := result + '\';
result := result + tmppath;
end;
function GetSizeOfFile( const APathname: string ) : int64;
begin
result := FileSizeByName( APathname ) ;
end;
function GetNewDirectory( old, action: string ) : string;
var
a: integer;
begin
if action = '../' then
begin
if old = '/' then
begin
result := old;
exit;
end;
a := length( old ) - 1;
while ( old[a] <> '\' ) and ( old[a] <> '/' ) do
dec( a ) ;
result := copy( old, 1, a ) ;
exit;
end;
if ( action[1] = '/' ) or ( action[1] = '\' ) then
result := action
else
result := old + action;
end;
procedure TForm1.FTPServerUserLogin(ASender: TIdFTPServerThread;
const AUsername, APassword: String; var AAuthenticated: Boolean);
begin
AAuthenticated := ( AUsername = 'test' ) and ( APassword = '123' ) ;
if not AAuthenticated then
exit;
ASender.HomeDir := '/';
asender.currentdir := '/';
end;
procedure TForm1.FTPServerChangeDirectory(ASender: TIdFTPServerThread;
var VDirectory: String);
begin
VDirectory := GetNewDirectory( ASender.CurrentDir, VDirectory ) ;
end;
procedure TForm1.FTPServerDeleteFile(ASender: TIdFTPServerThread;
const APathName: String);
begin
DeleteFile( pchar( TransLatePath( ASender.CurrentDir + '/' + APathname, ASender.HomeDir ) ) ) ;
end;
procedure TForm1.FTPServerGetFileSize(ASender: TIdFTPServerThread;
const AFilename: String; var VFileSize: Int64);
begin
VFileSize := GetSizeOfFile( TransLatePath( AFilename, ASender.HomeDir ) ) ;
end;
procedure TForm1.FTPServerMakeDirectory(ASender: TIdFTPServerThread;
var VDirectory: String);
begin
MkDir( TransLatePath( VDirectory, ASender.HomeDir ) ) ;
end;
procedure TForm1.FTPServerRemoveDirectory(ASender: TIdFTPServerThread;
var VDirectory: String);
begin
RmDir( TransLatePath( VDirectory, ASender.HomeDir ) ) ;
end;
procedure TForm1.FTPServerStoreFile(ASender: TIdFTPServerThread;
const AFileName: String; AAppend: Boolean; var VStream: TStream);
begin
if FileExists( translatepath( AFilename, ASender.HomeDir ) ) and AAppend then
begin
VStream := TFileStream.create( translatepath( AFilename, ASender.HomeDir ) , fmOpenWrite or fmShareExclusive ) ;
VStream.Seek( 0, soFromEnd ) ;
end
else
VStream := TFileStream.create( translatepath( AFilename, ASender.HomeDir ) , fmCreate or fmShareExclusive ) ;
end;
procedure TForm1.FTPServerRetrieveFile(ASender: TIdFTPServerThread;
const AFileName: String; var VStream: TStream);
begin
VStream := TFileStream.create( translatepath( AFilename, ASender.HomeDir ) , fmopenread or fmShareDenyWrite ) ;
end;
procedure TForm1.FTPServerRenameFile(ASender: TIdFTPServerThread;
const ARenameFromFile, ARenameToFile: String);
begin
if not MoveFile( pchar( TransLatePath( ARenameFromFile, ASender.HomeDir ) ) , pchar( TransLatePath( ARenameToFile, ASender.HomeDir ) ) ) then
RaiseLastWin32Error;
end;
procedure TForm1.FTPServerListDirectory(ASender: TIdFTPServerThread;
const APath: String; ADirectoryListing: TIdFTPListItems);
procedure AddlistItem( aDirectoryListing: TIdFTPListItems; Filename: string; ItemType: TIdDirItemType; size: int64; date: tdatetime ) ;
var
listitem: TIdFTPListItem;
begin
listitem := aDirectoryListing.Add;
listitem.ItemType := ItemType;
listitem.FileName := Filename;
listitem.OwnerName := 'anonymous';
listitem.GroupName := 'all';
listitem.OwnerPermissions := '---';
listitem.GroupPermissions := '---';
listitem.UserPermissions := '---';
listitem.Size := size;
listitem.ModifiedDate := date;
end;
var
f: tsearchrec;
a: integer;
begin
ADirectoryListing.DirectoryName := apath;
a := FindFirst( TransLatePath( apath, ASender.HomeDir ) + '*.*', faAnyFile, f ) ;
while ( a = 0 ) do
begin
if ( f.Attr and faDirectory > 0 ) then
AddlistItem( ADirectoryListing, f.Name, ditDirectory, f.size, FileDateToDateTime( f.Time ) )
else
AddlistItem( ADirectoryListing, f.Name, ditFile, f.size, FileDateToDateTime( f.Time ) ) ;
a := FindNext( f ) ;
end;
FindClose( f ) ;
end;
end. |
raziel