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Rev | Author | Line No. | Line |
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68 | daniel-mar | 1 | unit UD2_Utils; |
2 | |||
3 | interface |
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4 | |||
5 | {$IF CompilerVersion >= 25.0} |
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6 | {$LEGACYIFEND ON} |
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7 | {$IFEND} |
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8 | |||
70 | daniel-mar | 9 | {$INCLUDE 'UserDetect2.inc'} |
10 | |||
68 | daniel-mar | 11 | uses |
85 | daniel-mar | 12 | Windows, SysUtils, Dialogs, ShellAPI, Classes, UD2_Parsing; |
68 | daniel-mar | 13 | |
73 | daniel-mar | 14 | const |
15 | EXITCODE_OK = 0; |
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16 | EXITCODE_TASK_NOTHING_MATCHES = 1; |
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17 | EXITCODE_RUN_FAILURE = 2; |
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18 | EXITCODE_TASK_NOT_EXISTS = 10; |
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19 | EXITCODE_INI_NOT_FOUND = 11; |
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20 | EXITCODE_RUNCMD_SYNTAX_ERROR = 12; |
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81 | daniel-mar | 21 | EXITCODE_SYNTAX_ERROR = 13; |
73 | daniel-mar | 22 | |
68 | daniel-mar | 23 | type |
82 | daniel-mar | 24 | TArrayOfString = array of string; |
68 | daniel-mar | 25 | |
26 | TIconFileIdx = record |
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27 | FileName: string; |
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28 | IconIndex: integer; |
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29 | end; |
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30 | |||
82 | daniel-mar | 31 | function SplitString(const aSeparator, aString: string; aMax: Integer = 0): TArrayOfString; |
86 | daniel-mar | 32 | function MergeString(ary: TArrayOfString; glue: string): string; |
82 | daniel-mar | 33 | function BetterInterpreteBool(str: string): boolean; |
68 | daniel-mar | 34 | function GetOwnCmdName: string; |
35 | function ExpandEnvStr(const szInput: string): string; |
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85 | daniel-mar | 36 | procedure UD2_RunCMD(cmd: TUD2Command); |
68 | daniel-mar | 37 | function SplitIconString(IconString: string): TIconFileIdx; |
38 | // function GetHTML(AUrl: string): string; |
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39 | procedure VTS_CheckUpdates(VTSID, CurVer: string); |
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71 | daniel-mar | 40 | function FormatOSError(ec: DWORD): string; |
81 | daniel-mar | 41 | function CheckBoolParam(idx: integer; name: string): boolean; |
87 | daniel-mar | 42 | function IndexOf_CS(aStrings: TStrings; aToken: string): Integer; |
82 | daniel-mar | 43 | function UD2_GetThreadErrorMode: DWORD; |
44 | function UD2_SetThreadErrorMode(dwNewMode: DWORD; lpOldMode: LPDWORD): BOOL; |
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95 | daniel-mar | 45 | function GetFileVersion(const FileName: string=''): string; |
68 | daniel-mar | 46 | |
47 | implementation |
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48 | |||
49 | uses |
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92 | daniel-mar | 50 | idhttp, Forms; |
68 | daniel-mar | 51 | |
82 | daniel-mar | 52 | function SplitString(const aSeparator, aString: string; aMax: Integer = 0): TArrayOfString; |
68 | daniel-mar | 53 | // http://stackoverflow.com/a/2626991/3544341 |
54 | var |
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55 | i, strt, cnt: Integer; |
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56 | sepLen: Integer; |
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57 | |||
58 | procedure AddString(aEnd: Integer = -1); |
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59 | var |
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60 | endPos: Integer; |
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61 | begin |
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62 | if (aEnd = -1) then |
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63 | endPos := i |
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64 | else |
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65 | endPos := aEnd + 1; |
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66 | |||
67 | if (strt < endPos) then |
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68 | result[cnt] := Copy(aString, strt, endPos - strt) |
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69 | else |
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70 | result[cnt] := ''; |
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71 | |||
72 | Inc(cnt); |
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73 | end; |
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74 | |||
75 | begin |
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76 | if (aString = '') or (aMax < 0) then |
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77 | begin |
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78 | SetLength(result, 0); |
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79 | EXIT; |
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80 | end; |
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81 | |||
82 | if (aSeparator = '') then |
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83 | begin |
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84 | SetLength(result, 1); |
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85 | result[0] := aString; |
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86 | EXIT; |
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87 | end; |
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88 | |||
89 | sepLen := Length(aSeparator); |
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90 | SetLength(result, (Length(aString) div sepLen) + 1); |
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91 | |||
92 | i := 1; |
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93 | strt := i; |
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94 | cnt := 0; |
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95 | while (i <= (Length(aString)- sepLen + 1)) do |
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96 | begin |
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97 | if (aString[i] = aSeparator[1]) then |
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98 | if (Copy(aString, i, sepLen) = aSeparator) then |
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99 | begin |
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100 | AddString; |
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101 | |||
102 | if (cnt = aMax) then |
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103 | begin |
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104 | SetLength(result, cnt); |
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105 | EXIT; |
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106 | end; |
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107 | |||
108 | Inc(i, sepLen - 1); |
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109 | strt := i + 1; |
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110 | end; |
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111 | |||
112 | Inc(i); |
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113 | end; |
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114 | |||
115 | AddString(Length(aString)); |
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116 | |||
117 | SetLength(result, cnt); |
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118 | end; |
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119 | |||
82 | daniel-mar | 120 | function BetterInterpreteBool(str: string): boolean; |
68 | daniel-mar | 121 | resourcestring |
122 | LNG_CANNOT_INTERPRETE_BOOL = 'Cannot determinate the boolean value of "%s"'; |
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123 | begin |
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124 | str := LowerCase(str); |
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125 | if (str = 'yes') or (str = 'true') or (str = '1') then |
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126 | result := true |
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127 | else if (str = 'no') or (str = 'false') or (str = '0') then |
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128 | result := false |
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129 | else |
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130 | raise EConvertError.CreateFmt(LNG_CANNOT_INTERPRETE_BOOL, [str]); |
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131 | end; |
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132 | |||
133 | function GetOwnCmdName: string; |
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134 | begin |
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135 | result := ParamStr(0); |
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136 | result := ExtractFileName(result); |
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137 | result := ChangeFileExt(result, ''); |
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138 | result := UpperCase(result); |
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139 | end; |
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140 | |||
141 | function ExpandEnvStr(const szInput: string): string; |
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142 | // http://stackoverflow.com/a/2833147/3544341 |
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143 | const |
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144 | MAXSIZE = 32768; |
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145 | begin |
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146 | SetLength(Result, MAXSIZE); |
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147 | SetLength(Result, ExpandEnvironmentStrings(pchar(szInput), |
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148 | @Result[1],length(Result))); |
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149 | end; |
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150 | |||
71 | daniel-mar | 151 | function FormatOSError(ec: DWORD): string; |
68 | daniel-mar | 152 | resourcestring |
153 | LNG_UNKNOWN_ERROR = 'Operating system error %d'; |
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71 | daniel-mar | 154 | begin |
155 | result := SysErrorMessage(ec); |
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156 | |||
157 | // Some errors have no error message, e.g. error 193 (BAD_EXE_FORMAT) in the German version of Windows 10 |
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158 | if result = '' then result := Format(LNG_UNKNOWN_ERROR, [ec]); |
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159 | end; |
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160 | |||
73 | daniel-mar | 161 | function CheckLastOSCall(AThrowException: boolean): boolean; |
68 | daniel-mar | 162 | var |
163 | LastError: Cardinal; |
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164 | begin |
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165 | LastError := GetLastError; |
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73 | daniel-mar | 166 | result := LastError = 0; |
167 | if not result then |
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68 | daniel-mar | 168 | begin |
169 | if AThrowException then |
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170 | begin |
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171 | RaiseLastOSError; |
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172 | end |
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173 | else |
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174 | begin |
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71 | daniel-mar | 175 | MessageDlg(FormatOSError(LastError), mtError, [mbOK], 0); |
68 | daniel-mar | 176 | end; |
177 | end; |
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178 | end; |
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179 | |||
180 | function SplitIconString(IconString: string): TIconFileIdx; |
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181 | var |
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182 | p: integer; |
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183 | begin |
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184 | p := Pos(',', IconString); |
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185 | |||
186 | if p = 0 then |
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187 | begin |
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188 | result.FileName := IconString; |
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189 | result.IconIndex := 0; |
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190 | end |
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191 | else |
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192 | begin |
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193 | result.FileName := ExpandEnvStr(copy(IconString, 0, p-1)); |
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194 | result.IconIndex := StrToInt(Copy(IconString, p+1, Length(IconString)-p)); |
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195 | end; |
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196 | end; |
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197 | |||
85 | daniel-mar | 198 | procedure UD2_RunCMD(cmd: TUD2Command); |
68 | daniel-mar | 199 | // Discussion: http://stackoverflow.com/questions/32802679/acceptable-replacement-for-winexec/32804669#32804669 |
200 | // Version 1: http://pastebin.com/xQjDmyVe |
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201 | // --> CreateProcess + ShellExecuteEx |
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202 | // --> Problem: Run-In-Same-Directory functionality is not possible |
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203 | // (requires manual command and argument separation) |
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204 | // Version 2: http://pastebin.com/YpUmF5rd |
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205 | // --> Splits command and arguments manually, and uses ShellExecute |
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206 | // --> Problem: error handling wrong |
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207 | // --> Problem: Run-In-Same-Directory functionality is not implemented |
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208 | // Current version: |
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209 | // --> Splits command and arguments manually, and uses ShellExecute |
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210 | // --> Run-In-Same-Directory functionality is implemented |
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211 | resourcestring |
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212 | LNG_INVALID_SYNTAX = 'The command line has an invalid syntax'; |
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213 | var |
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214 | cmdFile, cmdArgs, cmdDir: string; |
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215 | p: integer; |
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216 | sei: TShellExecuteInfo; |
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85 | daniel-mar | 217 | cmdLine: string; |
68 | daniel-mar | 218 | begin |
219 | // We need a function which does following: |
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220 | // 1. Replace the Environment strings, e.g. %SystemRoot% |
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221 | // 2. Runs EXE files with parameters (e.g. "cmd.exe /?") |
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222 | // 3. Runs EXE files without path (e.g. "calc.exe") |
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223 | // 4. Runs EXE files without extension (e.g. "calc") |
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224 | // 5. Runs non-EXE files (e.g. "Letter.doc") |
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225 | // 6. Commands with white spaces (e.g. "C:\Program Files\xyz.exe") must be enclosed in quotes. |
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79 | daniel-mar | 226 | |
85 | daniel-mar | 227 | cmdLine := ExpandEnvStr(cmd.executable); |
68 | daniel-mar | 228 | |
229 | // Split command line from argument list |
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230 | if Copy(cmdLine, 1, 1) = '"' then |
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231 | begin |
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232 | cmdLine := Copy(cmdLine, 2, Length(cmdLine)-1); |
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233 | p := Pos('"', cmdLine); |
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234 | if p = 0 then |
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235 | begin |
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236 | // No matching quotes |
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237 | // CreateProcess() handles the whole command line as single file name ("abc -> "abc") |
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238 | // ShellExecuteEx() does not accept the command line |
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73 | daniel-mar | 239 | ExitCode := EXITCODE_RUNCMD_SYNTAX_ERROR; |
68 | daniel-mar | 240 | MessageDlg(LNG_INVALID_SYNTAX, mtError, [mbOK], 0); |
241 | Exit; |
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242 | end; |
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243 | cmdFile := Copy(cmdLine, 1, p-1); |
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244 | cmdArgs := Copy(cmdLine, p+2, Length(cmdLine)-p-1); |
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245 | end |
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246 | else |
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247 | begin |
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248 | p := Pos(' ', cmdLine); |
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249 | if p = 0 then |
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250 | begin |
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251 | cmdFile := cmdLine; |
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252 | cmdArgs := ''; |
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253 | end |
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254 | else |
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255 | begin |
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256 | cmdFile := Copy(cmdLine, 1, p-1); |
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257 | cmdArgs := Copy(cmdLine, p+1, Length(cmdLine)-p); |
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258 | end; |
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259 | end; |
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260 | |||
81 | daniel-mar | 261 | ZeroMemory(@sei, SizeOf(sei)); |
262 | |||
85 | daniel-mar | 263 | if cmd.runAsAdmin then |
81 | daniel-mar | 264 | begin |
265 | sei.lpVerb := 'runas'; |
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266 | end; |
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267 | |||
85 | daniel-mar | 268 | if cmd.runInOwnDirectory then |
68 | daniel-mar | 269 | begin |
270 | cmdFile := ExtractFileName(cmdLine); |
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271 | cmdDir := ExtractFilePath(cmdLine); |
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272 | end |
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273 | else |
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274 | begin |
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275 | cmdFile := cmdLine; |
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276 | cmdDir := ''; |
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277 | end; |
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278 | |||
279 | sei.cbSize := SizeOf(sei); |
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280 | sei.lpFile := PChar(cmdFile); |
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70 | daniel-mar | 281 | {$IFNDEF PREFER_SHELLEXECUTEEX_MESSAGES} |
282 | sei.fMask := SEE_MASK_FLAG_NO_UI; |
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283 | {$ENDIF} |
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68 | daniel-mar | 284 | if cmdArgs <> '' then sei.lpParameters := PChar(cmdArgs); |
285 | if cmdDir <> '' then sei.lpDirectory := PChar(cmdDir); |
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85 | daniel-mar | 286 | sei.nShow := cmd.windowMode; |
68 | daniel-mar | 287 | if ShellExecuteEx(@sei) then Exit; |
70 | daniel-mar | 288 | {$IFNDEF PREFER_SHELLEXECUTEEX_MESSAGES} |
73 | daniel-mar | 289 | if not CheckLastOSCall(false) then ExitCode := EXITCODE_RUN_FAILURE; |
70 | daniel-mar | 290 | {$ENDIF} |
68 | daniel-mar | 291 | end; |
292 | |||
92 | daniel-mar | 293 | function GetHTML(const url: string): string; |
68 | daniel-mar | 294 | var |
92 | daniel-mar | 295 | idhttp :Tidhttp; |
68 | daniel-mar | 296 | begin |
92 | daniel-mar | 297 | idhttp := Tidhttp.Create(nil); |
298 | try |
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299 | result := idhttp.Get(url); |
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300 | finally |
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301 | idhttp.Free; |
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79 | daniel-mar | 302 | end; |
68 | daniel-mar | 303 | end; |
304 | |||
305 | procedure VTS_CheckUpdates(VTSID, CurVer: string); |
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306 | resourcestring |
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307 | (* |
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308 | LNG_DOWNLOAD_ERR = 'Ein Fehler ist aufgetreten. Wahrscheinlich ist keine Internetverbindung aufgebaut, oder der der ViaThinkSoft-Server temporär offline.'; |
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309 | LNG_NEW_VERSION = 'Eine neue Programmversion ist vorhanden. Möchten Sie diese jetzt herunterladen?'; |
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310 | LNG_NO_UPDATE = 'Es ist keine neue Programmversion vorhanden.'; |
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311 | *) |
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312 | LNG_DOWNLOAD_ERR = 'An error occurred while searching for updates. Please check your internet connection and firewall.'; |
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313 | LNG_NEW_VERSION = 'A new version is available. Do you want to download it now?'; |
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314 | LNG_NO_UPDATE = 'You already have the newest program version.'; |
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315 | var |
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79 | daniel-mar | 316 | status: string; |
68 | daniel-mar | 317 | begin |
79 | daniel-mar | 318 | status := GetHTML('http://www.viathinksoft.de/update/?id='+VTSID); |
319 | if Copy(status, 0, 7) = 'Status:' then |
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68 | daniel-mar | 320 | begin |
321 | MessageDlg(LNG_DOWNLOAD_ERR, mtError, [mbOK], 0); |
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322 | end |
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323 | else |
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324 | begin |
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79 | daniel-mar | 325 | if status <> CurVer then |
68 | daniel-mar | 326 | begin |
327 | if MessageDlg(LNG_NEW_VERSION, mtConfirmation, mbYesNoCancel, 0) = ID_YES then |
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328 | begin |
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82 | daniel-mar | 329 | shellexecute(application.handle, 'open', pchar('http://www.viathinksoft.de/update/?id=@'+VTSID), '', '', SW_Normal); |
68 | daniel-mar | 330 | end; |
331 | end |
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332 | else |
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333 | begin |
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334 | MessageDlg(LNG_NO_UPDATE, mtInformation, [mbOk], 0); |
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335 | end; |
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336 | end; |
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337 | end; |
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338 | |||
81 | daniel-mar | 339 | function CheckBoolParam(idx: integer; name: string): boolean; |
340 | begin |
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341 | Result := ('/'+LowerCase(name) = LowerCase(ParamStr(idx))) or |
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342 | ('-'+LowerCase(name) = LowerCase(ParamStr(idx))); |
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343 | end; |
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344 | |||
82 | daniel-mar | 345 | // function GetThreadErrorMode: DWORD; stdcall; external kernel32 name 'GetThreadErrorMode'; |
346 | function UD2_GetThreadErrorMode: DWORD; |
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347 | type |
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348 | TFuncGetThreadErrorMode = function: DWORD; stdcall; |
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349 | var |
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350 | dllHandle: Cardinal; |
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351 | fGetThreadErrorMode: TFuncGetThreadErrorMode; |
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352 | begin |
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353 | dllHandle := LoadLibrary(kernel32); |
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354 | if dllHandle = 0 then |
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355 | begin |
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356 | result := 0; |
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357 | Exit; |
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358 | end; |
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359 | try |
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360 | @fGetThreadErrorMode := GetProcAddress(dllHandle, 'GetThreadErrorMode'); |
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361 | if not Assigned(fGetThreadErrorMode) then |
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362 | begin |
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363 | result := 0; // Windows Vista and prior |
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364 | Exit; |
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365 | end; |
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366 | result := fGetThreadErrorMode(); |
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367 | finally |
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368 | FreeLibrary(dllHandle); |
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369 | end; |
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370 | end; |
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371 | |||
372 | // function SetThreadErrorMode(dwNewMode: DWORD; lpOldMode: LPDWORD): BOOL; stdcall; external kernel32 name 'SetThreadErrorMode'; |
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373 | function UD2_SetThreadErrorMode(dwNewMode: DWORD; lpOldMode: LPDWORD): BOOL; |
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374 | type |
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375 | TFuncSetThreadErrorMode = function(dwNewMode: DWORD; lpOldMode: LPDWORD): BOOL; stdcall; |
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376 | var |
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377 | dllHandle: Cardinal; |
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378 | fSetThreadErrorMode: TFuncSetThreadErrorMode; |
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379 | begin |
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380 | dllHandle := LoadLibrary(kernel32); |
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381 | if dllHandle = 0 then |
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382 | begin |
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383 | result := FALSE; |
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384 | if Assigned(lpOldMode) then lpOldMode^ := UD2_GetThreadErrorMode; |
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385 | Exit; |
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386 | end; |
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387 | try |
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388 | @fSetThreadErrorMode := GetProcAddress(dllHandle, 'SetThreadErrorMode'); |
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389 | if not Assigned(fSetThreadErrorMode) then |
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390 | begin |
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391 | result := FALSE; // Windows Vista and prior |
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392 | if Assigned(lpOldMode) then lpOldMode^ := UD2_GetThreadErrorMode; |
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393 | Exit; |
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394 | end; |
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395 | result := fSetThreadErrorMode(dwNewMode, lpOldMode); |
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396 | finally |
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397 | FreeLibrary(dllHandle); |
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398 | end; |
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399 | end; |
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400 | |||
401 | function IndexOf_CS(aStrings: TStrings; aToken: String): Integer; |
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402 | var |
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85 | daniel-mar | 403 | i: Integer; |
82 | daniel-mar | 404 | begin |
405 | Result := -1; |
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85 | daniel-mar | 406 | for i := 0 to aStrings.Count-1 do |
407 | begin |
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408 | if aStrings[i] = aToken then |
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409 | begin |
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82 | daniel-mar | 410 | Result := i; |
411 | Break; |
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412 | end; |
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85 | daniel-mar | 413 | end; |
82 | daniel-mar | 414 | end; |
415 | |||
86 | daniel-mar | 416 | function MergeString(ary: TArrayOfString; glue: string): string; |
417 | var |
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418 | i: integer; |
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419 | begin |
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420 | result := ''; |
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421 | for i := Low(ary) to High(ary) do |
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422 | begin |
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423 | if result <> '' then result := result + glue; |
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424 | result := result + ary[i]; |
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425 | end; |
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426 | end; |
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427 | |||
95 | daniel-mar | 428 | function GetFileVersion(const FileName: string=''): string; |
429 | var |
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430 | lpVerInfo: pointer; |
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431 | rVerValue: PVSFixedFileInfo; |
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432 | dwInfoSize: cardinal; |
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433 | dwValueSize: cardinal; |
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434 | dwDummy: cardinal; |
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435 | lpstrPath: pchar; |
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436 | a, b, c, d: word; |
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437 | resourcestring |
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438 | LNG_NO_VERSION = 'No version specification'; |
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439 | begin |
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440 | if Trim(FileName) = EmptyStr then |
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441 | lpstrPath := pchar(ParamStr(0)) |
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442 | else |
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443 | lpstrPath := pchar(FileName); |
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444 | |||
445 | dwInfoSize := GetFileVersionInfoSize(lpstrPath, dwDummy); |
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446 | |||
447 | if dwInfoSize = 0 then |
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448 | begin |
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449 | Result := LNG_NO_VERSION; |
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450 | Exit; |
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451 | end; |
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452 | |||
453 | GetMem(lpVerInfo, dwInfoSize); |
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454 | try |
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455 | GetFileVersionInfo(lpstrPath, 0, dwInfoSize, lpVerInfo); |
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456 | VerQueryValue(lpVerInfo, '', pointer(rVerValue), dwValueSize); |
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457 | |||
458 | with rVerValue^ do |
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459 | begin |
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460 | a := dwFileVersionMS shr 16; |
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461 | b := dwFileVersionMS and $FFFF; |
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462 | c := dwFileVersionLS shr 16; |
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463 | d := dwFileVersionLS and $FFFF; |
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464 | |||
465 | Result := IntToStr(a); |
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466 | if (b <> 0) or (c <> 0) or (d <> 0) then Result := Result + '.' + IntToStr(b); |
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467 | if (c <> 0) or (d <> 0) then Result := Result + '.' + IntToStr(c); |
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468 | if (d <> 0) then Result := Result + '.' + IntToStr(d); |
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469 | end; |
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470 | finally |
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471 | FreeMem(lpVerInfo, dwInfoSize); |
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472 | end; |
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473 | |||
474 | end; |
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475 | |||
68 | daniel-mar | 476 | end. |