Delphi/CEF4Delphi
1
0
Fork 0
mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-11-15 15:55:56 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

CustomAbsolutePath canonicalizes relative and absolute paths now.

Browse Source 
Added CustomPathIsURL and CustomPathIsUNC functions
Added checks in CustomPathCanonicalize to avoid buffer overruns and unsupported paths.
This commit is contained in:
Salvador Díaz Fau 2019-09-23 11:42:20 +02:00
parent 09685f56e1
commit 8ec0801777
2 changed files with 50 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
source/uCEFMiscFunctions.pas
View File

@ -128,6 +128,10 @@ function PathIsRelativeUnicode(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAP
function GetGlobalMemoryStatusEx(var Buffer: TMyMemoryStatusEx): BOOL; stdcall; external Kernel32DLL name 'GlobalMemoryStatusEx';
function PathCanonicalizeAnsi(pszBuf: LPSTR; pszPath: LPCSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathCanonicalizeA';
function PathCanonicalizeUnicode(pszBuf: LPWSTR; pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathCanonicalizeW';
function PathIsUNCAnsi(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsUNCA';
function PathIsUNCUnicode(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsUNCW';
function PathIsURLAnsi(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsURLA';
function PathIsURLUnicode(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsURLW';
{$IFNDEF DELPHI12_UP}
{$IFDEF WIN64}
@ -142,6 +146,8 @@ function PathCanonicalizeUnicode(pszBuf: LPWSTR; pszPath: LPCWSTR): BOOL; stdcal
function CustomPathIsRelative(const aPath : string) : boolean;
function CustomPathCanonicalize(const aOriginalPath : string; var aCanonicalPath : string) : boolean;
function CustomAbsolutePath(const aPath : string; aMustExist : boolean = False) : string;
function CustomPathIsURL(const aPath : string) : boolean;
function CustomPathIsUNC(const aPath : string) : boolean;
function GetModulePath : string;
function CefIsCertStatusError(Status : TCefCertStatus) : boolean;
@ -1419,6 +1425,32 @@ begin
{$ENDIF}
end;
function CustomPathIsURL(const aPath : string) : boolean;
begin
{$IFDEF MSWINDOWS}
{$IFDEF DELPHI12_UP}
Result := PathIsURLUnicode(PChar(aPath + #0));
{$ELSE}
Result := PathIsURLAnsi(PChar(aPath + #0));
{$ENDIF}
{$ELSE}
Result := False;
{$ENDIF}
end;
function CustomPathIsUNC(const aPath : string) : boolean;
begin
{$IFDEF MSWINDOWS}
{$IFDEF DELPHI12_UP}
Result := PathIsUNCUnicode(PChar(aPath + #0));
{$ELSE}
Result := PathIsUNCAnsi(PChar(aPath + #0));
{$ENDIF}
{$ELSE}
Result := False;
{$ENDIF}
end;
function CustomPathCanonicalize(const aOriginalPath : string; var aCanonicalPath : string) : boolean;
var
TempBuffer: array [0..pred(MAX_PATH)] of Char;
@ -1426,17 +1458,22 @@ begin
Result := False;
aCanonicalPath := '';
if (length(aOriginalPath) > MAX_PATH) or
(Copy(aOriginalPath, 1, 4) = '\\?\') or
CustomPathIsUNC(aOriginalPath) then
exit;
FillChar(TempBuffer, MAX_PATH * SizeOf(Char), 0);
{$IFDEF MSWINDOWS}
{$IFDEF DELPHI12_UP}
if PathCanonicalizeUnicode(@TempBuffer[0], PChar(aOriginalPath)) then
if PathCanonicalizeUnicode(@TempBuffer[0], PChar(aOriginalPath + #0)) then
begin
aCanonicalPath := TempBuffer;
Result := True;
end;
{$ELSE}
if PathCanonicalizeAnsi(@TempBuffer[0], PChar(aOriginalPath)) then
if PathCanonicalizeAnsi(@TempBuffer[0], PChar(aOriginalPath + #0)) then
begin
aCanonicalPath := TempBuffer;
Result := True;
@ -1451,7 +1488,13 @@ var
begin
if (length(aPath) > 0) then
begin
if not(CustomPathIsRelative(aPath) and CustomPathCanonicalize(GetModulePath + aPath, TempPath)) then
if CustomPathIsRelative(aPath) then
begin
if not(CustomPathCanonicalize(GetModulePath + aPath, TempPath)) then
TempPath := aPath;
end
else
if not(CustomPathCanonicalize(aPath, TempPath)) then
TempPath := aPath;
if aMustExist and not(DirectoryExists(TempPath)) then

2
update_CEF4Delphi.json
View File

@ -2,7 +2,7 @@
"UpdateLazPackages" : [
{
"ForceNotify" : true,
"InternalVersion" : 31,
"InternalVersion" : 32,
"Name" : "cef4delphi_lazarus.lpk",
"Version" : "76.1.13.0"
}