hide complete IP of other users, when non-admin requests player info. showing the first two parts of the IP was kinda pointless to begin with (what for?) and has recently lead to increased abuse and lobby flooding due to bots collecting/posting IP tracking information
(*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2014 Andrey Korotaev <unC0Rr@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*)
{$INCLUDE "options.inc"}
unit uUtils;
interface
uses uTypes, uFloat;
procedure SplitBySpace(var a, b: shortstring);
procedure SplitByChar(var a, b: shortstring; c: char);
{$IFNDEF PAS2C}
procedure SplitByChar(var a, b: ansistring; c: char);
{$ENDIF}
function EnumToStr(const en : TGearType) : shortstring; overload;
function EnumToStr(const en : TVisualGearType) : shortstring; overload;
function EnumToStr(const en : TSound) : shortstring; overload;
function EnumToStr(const en : TAmmoType) : shortstring; overload;
function EnumToStr(const en : TStatInfoType) : shortstring; overload;
function EnumToStr(const en : THogEffect) : shortstring; overload;
function EnumToStr(const en : TCapGroup) : shortstring; overload;
function Min(a, b: LongInt): LongInt; inline;
function Max(a, b: LongInt): LongInt; inline;
function IntToStr(n: LongInt): shortstring;
function StrToInt(s: shortstring): LongInt;
function FloatToStr(n: hwFloat): shortstring;
function DxDy2Angle(const _dY, _dX: hwFloat): real; inline;
function DxDy2Angle32(const _dY, _dX: hwFloat): LongInt;
function DxDy2AttackAngle(const _dY, _dX: hwFloat): LongInt;
function DxDy2AttackAnglef(const _dY, _dX: extended): LongInt;
procedure SetLittle(var r: hwFloat);
function Str2PChar(const s: shortstring): PChar;
function DecodeBase64(s: shortstring): shortstring;
function isPowerOf2(i: Longword): boolean;
function toPowerOf2(i: Longword): Longword; inline;
function endian(independent: LongWord): LongWord; inline;
function CheckCJKFont(s: ansistring; font: THWFont): THWFont;
procedure AddFileLog(s: shortstring);
procedure AddFileLogRaw(s: pchar); cdecl;
function CheckNoTeamOrHH: boolean; inline;
function GetLaunchX(at: TAmmoType; dir: LongInt; angle: LongInt): LongInt;
function GetLaunchY(at: TAmmoType; angle: LongInt): LongInt;
{$IFNDEF PAS2C}
procedure Write(var f: textfile; s: shortstring);
procedure WriteLn(var f: textfile; s: shortstring);
{$ENDIF}
function isPhone: Boolean; inline;
{$IFDEF IPHONEOS}
procedure startLoadingIndicator; cdecl; external;
procedure stopLoadingIndicator; cdecl; external;
procedure saveFinishedSynching; cdecl; external;
function isApplePhone: Boolean; cdecl; external;
procedure AudioServicesPlaySystemSound(num: LongInt); cdecl; external;
{$ENDIF}
function sanitizeForLog(s: shortstring): shortstring;
function sanitizeCharForLog(c: char): shortstring;
procedure initModule(isNotPreview: boolean);
procedure freeModule;
implementation
uses {$IFNDEF PAS2C}typinfo, {$ENDIF}Math, uConsts, uVariables, SysUtils;
{$IFDEF DEBUGFILE}
var f: textfile;
{$IFDEF USE_VIDEO_RECORDING}
logMutex: TRTLCriticalSection; // mutex for debug file
{$ENDIF}
{$ENDIF}
var CharArray: array[0..255] of Char;
procedure SplitBySpace(var a,b: shortstring);
begin
SplitByChar(a,b,' ');
end;
// should this include "strtolower()" for the split string?
procedure SplitByChar(var a, b: shortstring; c : char);
var i, t: LongInt;
begin
i:= Pos(c, a);
if i > 0 then
begin
for t:= 1 to Pred(i) do
if (a[t] >= 'A')and(a[t] <= 'Z') then
Inc(a[t], 32);
b:= copy(a, i + 1, Length(a) - i);
a[0]:= char(Pred(i))
{$IFDEF PAS2C}
a[i] := 0;
{$ENDIF}
end
else
b:= '';
end;
{$IFNDEF PAS2C}
procedure SplitByChar(var a, b: ansistring; c: char);
var i: LongInt;
begin
i:= Pos(c, a);
if i > 0 then
begin
b:= copy(a, i + 1, Length(a) - i);
setlength(a, Pred(i));
end else b:= '';
end; { SplitByChar }
{$ENDIF}
function EnumToStr(const en : TGearType) : shortstring; overload;
begin
EnumToStr:= GetEnumName(TypeInfo(TGearType), ord(en))
end;
function EnumToStr(const en : TVisualGearType) : shortstring; overload;
begin
EnumToStr:= GetEnumName(TypeInfo(TVisualGearType), ord(en))
end;
function EnumToStr(const en : TSound) : shortstring; overload;
begin
EnumToStr:= GetEnumName(TypeInfo(TSound), ord(en))
end;
function EnumToStr(const en : TAmmoType) : shortstring; overload;
begin
EnumToStr:= GetEnumName(TypeInfo(TAmmoType), ord(en))
end;
function EnumToStr(const en : TStatInfoType) : shortstring; overload;
begin
EnumToStr:= GetEnumName(TypeInfo(TStatInfoType), ord(en))
end;
function EnumToStr(const en: THogEffect) : shortstring; overload;
begin
EnumToStr := GetEnumName(TypeInfo(THogEffect), ord(en))
end;
function EnumToStr(const en: TCapGroup) : shortstring; overload;
begin
EnumToStr := GetEnumName(TypeInfo(TCapGroup), ord(en))
end;
function Min(a, b: LongInt): LongInt;
begin
if a < b then
Min:= a
else
Min:= b
end;
function Max(a, b: LongInt): LongInt;
begin
if a > b then
Max:= a
else
Max:= b
end;
function IntToStr(n: LongInt): shortstring;
begin
str(n, IntToStr)
end;
function StrToInt(s: shortstring): LongInt;
var c: LongInt;
begin
{$IFDEF PAS2C}
val(s, StrToInt);
{$ELSE}
val(s, StrToInt, c);
{$IFDEF DEBUGFILE}
if c <> 0 then
writeln(f, 'Error at position ' + IntToStr(c) + ' : ' + s[c])
{$ENDIF}
{$ENDIF}
end;
function FloatToStr(n: hwFloat): shortstring;
begin
FloatToStr:= cstr(n) + '_' + inttostr(Lo(n.QWordValue))
end;
function DxDy2Angle(const _dY, _dX: hwFloat): real; inline;
var dY, dX: Extended;
begin
dY:= hwFloat2Float(_dY);
dX:= hwFloat2Float(_dX);
DxDy2Angle:= arctan2(dY, dX) * 180 / pi
end;
function DxDy2Angle32(const _dY, _dX: hwFloat): LongInt;
const _16divPI: Extended = 16/pi;
var dY, dX: Extended;
begin
dY:= hwFloat2Float(_dY);
dX:= hwFloat2Float(_dX);
DxDy2Angle32:= trunc(arctan2(dY, dX) * _16divPI) and $1f
end;
function DxDy2AttackAngle(const _dY, _dX: hwFloat): LongInt;
const MaxAngleDivPI: Extended = cMaxAngle/pi;
var dY, dX: Extended;
begin
dY:= hwFloat2Float(_dY);
dX:= hwFloat2Float(_dX);
DxDy2AttackAngle:= trunc(arctan2(dY, dX) * MaxAngleDivPI)
end;
function DxDy2AttackAnglef(const _dY, _dX: extended): LongInt; inline;
begin
DxDy2AttackAnglef:= trunc(arctan2(_dY, _dX) * (cMaxAngle/pi))
end;
procedure SetLittle(var r: hwFloat);
begin
r:= SignAs(cLittle, r)
end;
function isPowerOf2(i: Longword): boolean;
begin
isPowerOf2:= (i and (i - 1)) = 0
end;
function toPowerOf2(i: Longword): Longword;
begin
toPowerOf2:= 1;
while (toPowerOf2 < i) do toPowerOf2:= toPowerOf2 shl 1
end;
function DecodeBase64(s: shortstring): shortstring;
const table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
var i, t, c: Longword;
begin
c:= 0;
for i:= 1 to Length(s) do
begin
t:= Pos(s[i], table);
if s[i] = '=' then
inc(c);
if t > 0 then
s[i]:= char(t - 1)
else
s[i]:= #0
end;
i:= 1;
t:= 1;
while i <= length(s) do
begin
DecodeBase64[t ]:= char((byte(s[i ]) shl 2) or (byte(s[i + 1]) shr 4));
DecodeBase64[t + 1]:= char((byte(s[i + 1]) shl 4) or (byte(s[i + 2]) shr 2));
DecodeBase64[t + 2]:= char((byte(s[i + 2]) shl 6) or (byte(s[i + 3]) ));
inc(t, 3);
inc(i, 4)
end;
if c < 3 then
t:= t - c;
DecodeBase64[0]:= char(t - 1)
end;
function Str2PChar(const s: shortstring): PChar;
var i :Integer ;
begin
for i:= 1 to Length(s) do
begin
CharArray[i - 1] := s[i];
end;
CharArray[Length(s)]:= #0;
Str2PChar:= @(CharArray[0]);
end;
function endian(independent: LongWord): LongWord; inline;
begin
{$IFDEF ENDIAN_LITTLE}
endian:= independent;
{$ELSE}
endian:= (((independent and $FF000000) shr 24) or
((independent and $00FF0000) shr 8) or
((independent and $0000FF00) shl 8) or
((independent and $000000FF) shl 24))
{$ENDIF}
end;
procedure AddFileLog(s: shortstring);
begin
// s:= s;
{$IFDEF DEBUGFILE}
{$IFDEF USE_VIDEO_RECORDING}
EnterCriticalSection(logMutex);
{$ENDIF}
writeln(f, inttostr(GameTicks) + ': ' + s);
flush(f);
{$IFDEF USE_VIDEO_RECORDING}
LeaveCriticalSection(logMutex);
{$ENDIF}
{$ENDIF}
end;
procedure AddFileLogRaw(s: pchar); cdecl;
begin
s:= s;
{$IFNDEF PAS2C}
{$IFDEF DEBUGFILE}
{$IFDEF USE_VIDEO_RECORDING}
EnterCriticalSection(logMutex);
{$ENDIF}
write(f, s);
flush(f);
{$IFDEF USE_VIDEO_RECORDING}
LeaveCriticalSection(logMutex);
{$ENDIF}
{$ENDIF}
{$ENDIF}
end;
function CheckCJKFont(s: ansistring; font: THWFont): THWFont;
var l, i : LongInt;
u: WideChar;
tmpstr: array[0..256] of WideChar;
begin
CheckCJKFont:= font;
{$IFNDEF MOBILE}
// remove chinese fonts for now
if (font >= CJKfnt16) or (length(s) = 0) then
{$ENDIF}
exit;
l:= Utf8ToUnicode(@tmpstr, Str2PChar(s), length(s))-1;
i:= 0;
while i < l do
begin
u:= tmpstr[i];
if (#$1100 <= u) and (
(u <= #$11FF ) or // Hangul Jamo
((#$2E80 <= u) and (u <= #$2FDF)) or // CJK Radicals Supplement / Kangxi Radicals
((#$2FF0 <= u) and (u <= #$31FF)) or // Ideographic Description Characters / CJK Radicals Supplement / Hiragana / Hangul Compatibility Jamo / Katakana
((#$31C0 <= u) and (u <= #$31EF)) or // CJK Strokes
((#$3200 <= u) and (u <= #$4DBF)) or // Enclosed CJK Letters and Months / CJK Compatibility / CJK Unified Ideographs Extension A / Circled Katakana
((#$4E00 <= u) and (u <= #$9FFF)) or // CJK Unified Ideographs
((#$AC00 <= u) and (u <= #$D7AF)) or // Hangul Syllables
((#$F900 <= u) and (u <= #$FAFF)) or // CJK Compatibility Ideographs
((#$FE30 <= u) and (u <= #$FE4F)) or // CJK Compatibility Forms
((#$FF66 <= u) and (u <= #$FF9D))) // halfwidth katakana
then
begin
CheckCJKFont:= THWFont( ord(font) + ((ord(High(THWFont))+1) div 2) );
exit;
end;
inc(i)
end;
(* two more to check. pascal WideChar is only 16 bit though
((#$20000 <= u) and (u >= #$2A6DF)) or // CJK Unified Ideographs Extension B
((#$2F800 <= u) and (u >= #$2FA1F))) // CJK Compatibility Ideographs Supplement *)
end;
function GetLaunchX(at: TAmmoType; dir: LongInt; angle: LongInt): LongInt;
begin
GetLaunchX:= 0
(*
if (Ammoz[at].ejectX <> 0) or (Ammoz[at].ejectY <> 0) then
GetLaunchX:= sign(dir) * (8 + hwRound(AngleSin(angle) * Ammoz[at].ejectX) + hwRound(AngleCos(angle) * Ammoz[at].ejectY))
else
GetLaunchX:= 0 *)
end;
function GetLaunchY(at: TAmmoType; angle: LongInt): LongInt;
begin
GetLaunchY:= 0
(*
if (Ammoz[at].ejectX <> 0) or (Ammoz[at].ejectY <> 0) then
GetLaunchY:= hwRound(AngleSin(angle) * Ammoz[at].ejectY) - hwRound(AngleCos(angle) * Ammoz[at].ejectX) - 2
else
GetLaunchY:= 0*)
end;
function CheckNoTeamOrHH: boolean;
begin
CheckNoTeamOrHH:= (CurrentTeam = nil) or (CurrentHedgehog^.Gear = nil);
end;
{$IFNDEF PAS2C}
procedure Write(var f: textfile; s: shortstring);
begin
system.write(f, s)
end;
procedure WriteLn(var f: textfile; s: shortstring);
begin
system.writeln(f, s)
end;
{$ENDIF}
// this function is just to determine whether we are running on a limited screen device
function isPhone: Boolean; inline;
begin
isPhone:= false;
{$IFDEF IPHONEOS}
isPhone:= isApplePhone();
{$ENDIF}
{$IFDEF ANDROID}
//nasty nasty hack. TODO: implement callback to java to have a unified way of determining if it is a tablet
if (cScreenWidth < 1000) and (cScreenHeight < 500) then
isPhone:= true;
{$ENDIF}
end;
function sanitizeForLog(s: shortstring): shortstring;
var i: byte;
r: shortstring;
begin
r[0]:= s[0];
for i:= 1 to length(s) do
if (s[i] < #32) or (s[i] > #127) then
r[i]:= '?'
else
r[i]:= s[i];
sanitizeForLog:= r
end;
function sanitizeCharForLog(c: char): shortstring;
var r: shortstring;
begin
if (c < #32) or (c > #127) then
r:= '#' + inttostr(byte(c))
else
begin
// some magic for pas2c
r[0]:= #1;
r[1]:= c;
end;
sanitizeCharForLog:= r
end;
procedure initModule(isNotPreview: boolean);
{$IFDEF DEBUGFILE}
var logfileBase: shortstring;
i: LongInt;
{$ENDIF}
begin
{$IFDEF DEBUGFILE}
if isNotPreview then
begin
if GameType = gmtRecord then
logfileBase:= 'rec'
else
logfileBase:= 'game';
end
else
logfileBase:= 'preview';
{$IFDEF USE_VIDEO_RECORDING}
InitCriticalSection(logMutex);
{$ENDIF}
{$I-}
{$IFNDEF PAS2C}
f:= stderr; // if everything fails, write to stderr
{$ENDIF}
if (UserPathPrefix <> '') then
begin
{$IFNDEF PAS2C}
// create directory if it doesn't exist
if not FileExists(UserPathPrefix + '/Logs/') then
CreateDir(UserPathPrefix + '/Logs/');
{$ENDIF}
// if log is locked, write to the next one
i:= 0;
while(i < 7) do
begin
assign(f, UserPathPrefix + '/Logs/' + logfileBase + inttostr(i) + '.log');
if IOResult = 0 then
break;
inc(i)
end;
end;
Rewrite(f);
{$I+}
{$ENDIF}
//mobile stuff
{$IFDEF IPHONEOS}
mobileRecord.PerformRumble:= @AudioServicesPlaySystemSound;
mobileRecord.GameLoading:= @startLoadingIndicator;
mobileRecord.GameLoaded:= @stopLoadingIndicator;
mobileRecord.SaveLoadingEnded:= @saveFinishedSynching;
{$ELSE}
mobileRecord.PerformRumble:= nil;
mobileRecord.GameLoading:= nil;
mobileRecord.GameLoaded:= nil;
mobileRecord.SaveLoadingEnded:= nil;
{$ENDIF}
end;
procedure freeModule;
begin
{$IFDEF DEBUGFILE}
writeln(f, 'halt at ' + inttostr(GameTicks) + ' ticks. TurnTimeLeft = ' + inttostr(TurnTimeLeft));
flush(f);
close(f);
{$IFDEF USE_VIDEO_RECORDING}
DoneCriticalSection(logMutex);
{$ENDIF}
{$ENDIF}
end;
end.