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| Rev | Author | Line No. | Line |
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| 2 | daniel-mar | 1 | unit Unit1; |
| 2 | |||
| 3 | interface |
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| 4 | |||
| 5 | uses |
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| 6 | Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, |
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| 7 | System.Classes, Vcl.Graphics, |
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| 8 | Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls; |
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| 9 | |||
| 10 | type |
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| 11 | TSeverity = (seOK, seWarning, seCritical); |
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| 12 | |||
| 13 | TForm1 = class(TForm) |
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| 14 | Button1: TButton; |
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| 15 | Memo1: TMemo; |
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| 16 | cbVerbose: TCheckBox; |
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| 17 | LabeledEdit1: TLabeledEdit; |
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| 18 | cbWarnChecksumFileMissing: TCheckBox; |
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| 19 | cbWarningMissingChecksumFileEntry: TCheckBox; |
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| 20 | cbWarnVanishedFile: TCheckBox; |
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| 21 | cbWarnChecksumMismatch: TCheckBox; |
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| 22 | Label1: TLabel; |
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| 23 | RadioGroup1: TRadioGroup; |
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| 24 | procedure Button1Click(Sender: TObject); |
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| 25 | procedure FormShow(Sender: TObject); |
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| 26 | private |
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| 27 | CheckSumFileCount: integer; |
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| 28 | function CheckDirectory(ADirectory: string; recursive: boolean): TSeverity; |
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| 29 | function VerifyChecksumFile(aChecksumFile: string): TSeverity; |
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| 30 | function GetChecksumSafe(const filename: string): string; |
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| 31 | end; |
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| 32 | |||
| 33 | var |
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| 34 | Form1: TForm1; |
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| 35 | |||
| 36 | implementation |
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| 37 | |||
| 38 | {$R *.dfm} |
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| 39 | |||
| 40 | uses |
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| 41 | MD5, SFV, Common; |
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| 42 | |||
| 43 | const |
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| 44 | DUMMY_FILE = 'DUMMY.$$$'; |
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| 45 | |||
| 46 | procedure TForm1.Button1Click(Sender: TObject); |
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| 47 | var |
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| 48 | sev: TSeverity; |
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| 49 | begin |
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| 50 | Memo1.Clear; |
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| 51 | if not DirectoryExists(LabeledEdit1.Text) then |
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| 52 | begin |
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| 53 | showmessage('Directory does not exist'); |
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| 54 | exit; |
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| 55 | end; |
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| 56 | Application.ProcessMessages; |
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| 57 | CheckSumFileCount := 0; |
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| 58 | sev := CheckDirectory(LabeledEdit1.Text, true); |
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| 59 | Beep; |
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| 60 | case sev of |
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| 61 | seOK: |
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| 62 | showmessage('OK'); |
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| 63 | seWarning: |
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| 64 | showmessage('Warning'); |
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| 65 | seCritical: |
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| 66 | showmessage('Critical'); |
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| 67 | end; |
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| 68 | Caption := Format('Done. Checked %d checksum files.', [CheckSumFileCount]); |
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| 69 | end; |
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| 70 | |||
| 71 | function SevMax(a, b: TSeverity): TSeverity; |
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| 72 | begin |
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| 73 | if Ord(a) > Ord(b) then |
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| 74 | Result := a |
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| 75 | else |
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| 76 | Result := b; |
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| 77 | end; |
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| 78 | |||
| 79 | function TForm1.VerifyChecksumFile(aChecksumFile: string): TSeverity; |
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| 80 | var |
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| 81 | slFile: TStringList; |
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| 82 | i: integer; |
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| 83 | originalFilename: string; |
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| 84 | expectedChecksum: string; |
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| 85 | IsFound: boolean; |
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| 86 | SR: TSearchRec; |
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| 87 | fullfilename: string; |
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| 88 | ADirectory: string; |
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| 89 | originalFilenameFull: string; |
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| 90 | begin |
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| 91 | if ExtractFileName(aChecksumFile) <> DUMMY_FILE then |
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| 92 | begin |
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| 93 | Inc(CheckSumFileCount); |
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| 94 | end; |
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| 95 | |||
| 96 | if cbVerbose.Checked then |
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| 97 | begin |
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| 98 | Form1.Memo1.Lines.Add('Check: ' + aChecksumFile); |
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| 99 | end; |
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| 100 | |||
| 101 | Result := seOK; |
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| 102 | ADirectory := IncludeTrailingPathDelimiter(ExtractFilePath(aChecksumFile)); |
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| 103 | |||
| 104 | try |
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| 105 | slFile := TStringList.Create; |
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| 106 | try |
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| 107 | slFile.CaseSensitive := false; |
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| 108 | slFile.OwnsObjects := true; |
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| 109 | |||
| 110 | if radiogroup1.itemindex = 0 then |
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| 111 | SFVFileToStringList(aChecksumFile, slFile) |
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| 112 | else |
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| 113 | MD5FileToStringList(aChecksumFile, slFile); |
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| 114 | // TODO: If multiple checksum files => put them together into a single array (beware conflicts!) |
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| 115 | |||
| 116 | // 1. Check existing entries in the checksum file |
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| 117 | |||
| 118 | for i := 0 to slFile.Count - 1 do |
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| 119 | begin |
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| 120 | originalFilename := slFile.Strings[i]; |
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| 121 | expectedChecksum := TChecksum(slFile.Objects[i]).checksum; |
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| 122 | |||
| 123 | originalFilenameFull := ADirectory + originalFilename; |
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| 124 | |||
| 125 | if not FileExists(originalFilenameFull) then |
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| 126 | begin |
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| 127 | if cbWarnVanishedFile.Checked then |
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| 128 | begin |
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| 129 | Form1.Memo1.Lines.Add('FILE VANISHED: ' + originalFilenameFull); |
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| 130 | Result := SevMax(Result, seCritical); |
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| 131 | end; |
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| 132 | end |
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| 133 | else if LowerCase(GetChecksumSafe(originalFilenameFull)) |
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| 134 | = LowerCase(expectedChecksum) then |
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| 135 | begin |
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| 136 | if cbVerbose.Checked then |
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| 137 | begin |
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| 138 | Form1.Memo1.Lines.Add('OK: ' + originalFilenameFull + ' = ' + |
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| 139 | expectedChecksum); |
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| 140 | end; |
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| 141 | Result := SevMax(Result, seOK); |
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| 142 | end |
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| 143 | else |
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| 144 | begin |
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| 145 | if cbWarnChecksumMismatch.Checked then |
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| 146 | begin |
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| 147 | Form1.Memo1.Lines.Add('CHECKSUM MISMATCH: ' + originalFilenameFull + |
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| 148 | ' <> ' + expectedChecksum); |
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| 149 | Result := SevMax(Result, seCritical); |
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| 150 | end; |
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| 151 | end; |
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| 152 | end; |
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| 153 | |||
| 154 | // 2. Checking for entries which are NOT in the checksum file |
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| 155 | |||
| 156 | IsFound := FindFirst(ADirectory + '*', faAnyFile - faDirectory, SR) = 0; |
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| 157 | while IsFound do |
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| 158 | begin |
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| 159 | fullfilename := ADirectory + SR.Name; |
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| 160 | if (LowerCase(ExtractFileExt(fullfilename)) <> '.md5') and |
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| 161 | (LowerCase(ExtractFileExt(fullfilename)) <> '.sfv') and |
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| 162 | (LowerCase(ExtractFileName(fullfilename)) <> 'thumbs.db') then |
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| 163 | begin |
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| 164 | if slFile.IndexOf(SR.Name) = -1 then //if slFile.Values[SR.Name] = '' then |
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| 165 | begin |
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| 166 | if ExtractFileName(aChecksumFile) = DUMMY_FILE then |
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| 167 | begin |
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| 168 | if cbWarnChecksumFileMissing.Checked then |
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| 169 | begin |
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| 170 | Form1.Memo1.Lines.Add('NEW FILE WITHOUT CHECKSUM FILE: ' + |
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| 171 | fullfilename); |
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| 172 | Result := SevMax(Result, seWarning); |
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| 173 | end; |
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| 174 | end |
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| 175 | else |
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| 176 | begin |
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| 177 | if cbWarningMissingChecksumFileEntry.Checked then |
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| 178 | begin |
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| 179 | Form1.Memo1.Lines.Add('NEW FILE WITHOUT CHECKSUM ENTRY: ' + |
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| 180 | fullfilename); |
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| 181 | Result := SevMax(Result, seWarning); |
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| 182 | end; |
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| 183 | end; |
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| 184 | end; |
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| 185 | end; |
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| 186 | IsFound := FindNext(SR) = 0; |
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| 187 | end; |
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| 188 | FindClose(SR); |
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| 189 | finally |
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| 190 | slFile.Free; |
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| 191 | end; |
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| 192 | except |
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| 193 | on E: Exception do |
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| 194 | begin |
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| 195 | Memo1.Lines.Add('Invalid checksum file: ' + aChecksumFile + ' : ' + E.Message); |
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| 196 | Result := seCritical; |
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| 197 | end; |
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| 198 | end; |
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| 199 | end; |
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| 200 | |||
| 201 | function TForm1.CheckDirectory(ADirectory: string; recursive: boolean) |
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| 202 | : TSeverity; |
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| 203 | var |
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| 204 | IsFound: boolean; |
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| 205 | SR: TSearchRec; |
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| 206 | fullfilename: string; |
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| 207 | begin |
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| 208 | Caption := ADirectory; |
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| 209 | Application.ProcessMessages; |
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| 210 | if Application.Terminated then Abort; |
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| 211 | |||
| 212 | Result := seOK; |
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| 213 | ADirectory := IncludeTrailingPathDelimiter(ADirectory); |
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| 214 | |||
| 215 | // Check checksum files |
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| 216 | if radiogroup1.itemindex = 0 then |
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| 217 | IsFound := FindFirst(ADirectory + '*.sfv', faAnyFile - faDirectory, SR) = 0 |
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| 218 | else |
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| 219 | IsFound := FindFirst(ADirectory + '*.md5', faAnyFile - faDirectory, SR) = 0; |
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| 220 | if not IsFound then |
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| 221 | begin |
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| 222 | fullfilename := ADirectory + DUMMY_FILE; // virtual "empty" file |
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| 223 | Result := SevMax(Result, VerifyChecksumFile(fullfilename)); |
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| 224 | end |
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| 225 | else |
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| 226 | begin |
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| 227 | while IsFound do |
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| 228 | begin |
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| 229 | fullfilename := ADirectory + SR.Name; |
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| 230 | |||
| 231 | Caption := fullfilename; |
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| 232 | Application.ProcessMessages; |
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| 233 | if Application.Terminated then Abort; |
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| 234 | |||
| 235 | Result := SevMax(Result, VerifyChecksumFile(fullfilename)); |
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| 236 | IsFound := FindNext(SR) = 0; |
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| 237 | end; |
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| 238 | end; |
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| 239 | FindClose(SR); |
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| 240 | |||
| 241 | // Check other dirs |
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| 242 | if recursive then |
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| 243 | begin |
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| 244 | IsFound := FindFirst(ADirectory + '*', faAnyFile, SR) = 0; |
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| 245 | while IsFound do |
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| 246 | begin |
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| 247 | fullfilename := ADirectory + SR.Name; |
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| 248 | if DirectoryExists(fullfilename) and (SR.Name <> '.') and (SR.Name <> '..') |
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| 249 | then |
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| 250 | begin |
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| 251 | Result := SevMax(Result, CheckDirectory(fullfilename, recursive)); |
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| 252 | end; |
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| 253 | IsFound := FindNext(SR) = 0; |
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| 254 | end; |
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| 255 | FindClose(SR); |
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| 256 | end; |
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| 257 | end; |
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| 258 | |||
| 259 | procedure TForm1.FormShow(Sender: TObject); |
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| 260 | begin |
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| 261 | if ParamCount >= 1 then |
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| 262 | begin |
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| 263 | LabeledEdit1.Text := ParamStr(1); |
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| 264 | end; |
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| 265 | end; |
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| 266 | |||
| 267 | function TForm1.GetChecksumSafe(const filename: string): string; |
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| 268 | begin |
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| 269 | Caption := filename; |
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| 270 | Application.ProcessMessages; |
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| 271 | if Application.Terminated then Abort; |
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| 272 | |||
| 273 | try |
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| 274 | if radiogroup1.itemindex = 0 then |
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| 275 | Result := CalcFileCRC32(filename) |
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| 276 | else |
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| 277 | Result := md5file(filename); |
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| 278 | except |
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| 279 | on E: Exception do |
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| 280 | begin |
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| 281 | Memo1.Lines.Add('Cannot read file ' + filename + ' : ' + E.Message); |
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| 282 | Result := 'ERROR'; |
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| 283 | end; |
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| 284 | end; |
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| 285 | end; |
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| 286 | |||
| 287 | end. |