-
Notifications
You must be signed in to change notification settings - Fork 0
/
quickupdate.pas
301 lines (272 loc) · 8.45 KB
/
quickupdate.pas
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
unit quickupdate;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, VirtualTrees, OGame_Types, html, IdHTTP,
IdBaseComponent, IdComponent, IdTCPConnection, IdTCPClient, ExtCtrls;
type
PQuickUpdateFileData = ^TQuickUpdateFileData;
TQuickUpdateFileData = record
filename: string;
hash_local: string;
hash_server: string;
status: string;
end;
Tfrm_quickupdate = class(TForm)
Panel1: TPanel;
lbl_update: TLabel;
Label1: TLabel;
vst_files: TVirtualStringTree;
btn_update: TButton;
Button2: TButton;
Button3: TButton;
IdHTTP1: TIdHTTP;
procedure vst_filesGetNodeDataSize(Sender: TBaseVirtualTree;
var NodeDataSize: Integer);
procedure vst_filesGetText(Sender: TBaseVirtualTree;
Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
var CellText: WideString);
procedure Button3Click(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure btn_updateClick(Sender: TObject);
procedure vst_filesCompareNodes(Sender: TBaseVirtualTree; Node1,
Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
procedure vst_filesBeforeCellPaint(Sender: TBaseVirtualTree;
TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
CellPaintMode: TVTCellPaintMode; CellRect: TRect;
var ContentRect: TRect);
private
ODB: TObject;
fullUpdateURL: string;
{ Private-Deklarationen }
public
enable_plugin_reload: boolean;
function getUpdates: boolean;
function applyUpdates: integer;
constructor Create(AOwner: TComponent); overload; override; // throw exception!
constructor Create(AOwner: TComponent; aODB: TObject;
aEnablePluginReload: boolean); reintroduce; overload;
{ Public-Deklarationen }
end;
implementation
{$R *.dfm}
uses IdHashMessageDigest, idHash, Math, Prog_Unit;
//returns MD5 has for a file
function MD5(const fileName : string) : string;
var
idmd5 : TIdHashMessageDigest5;
fs : TFileStream;
begin
idmd5 := TIdHashMessageDigest5.Create;
fs := TFileStream.Create(fileName, fmOpenRead OR fmShareDenyWrite) ;
try
result := idmd5.AsHex(
idmd5.HashValue(fs)
);
finally
fs.Free;
idmd5.Free;
end;
end;
function Tfrm_quickupdate.getUpdates: boolean;
var net: TIdHTTP;
mem: TMemoryStream;
xml, node, filenode: THTMLElement;
text: PChar;
zero: byte;
i: integer;
localPath: string;
begin
Result := false;
localPath := ExtractFilePath(Application.ExeName);
net := TIdHTTP.Create(Application);
mem := TMemoryStream.Create;
try
net.Get(fullUpdateURL+'quick.xml',mem);
zero := 0;
mem.Write(zero,sizeof(zero));
text := mem.Memory;
xml := THTMLElement.Create(nil, 'root');
try
vst_files.BeginUpdate;
vst_files.Clear;
xml.ParseHTMLCode(text);
node := xml.FindChildTagPath('quickupdate/files');
if node <> nil then
begin
for i := 0 to node.ChildCount-1 do
begin
filenode := node.ChildElements[i];
if filenode.TagName = 'file' then
begin
with TQuickUpdateFileData(vst_files.GetNodeData(
vst_files.AddChild(nil)
)^) do
begin
filename := trim(filenode.FullTagContent);
hash_server := LowerCase(trim(filenode.AttributeValue['hash']));
if FileExists(localPath+filename) then
begin
hash_local := LowerCase(MD5(localPath+filename));
if hash_server <> hash_local then
begin
status := 'needs update';
Result := true;
end
else
status := 'latest';
end
else
begin
hash_local := '<new>';
status := 'new file';
Result := true;
end;
end;
end;
end;
end;
vst_files.SortTree(3, sdDescending);
finally
xml.Free;
vst_files.EndUpdate;
end;
finally
net.free;
mem.Free;
end;
btn_update.Enabled := Result;
end;
procedure Tfrm_quickupdate.vst_filesGetNodeDataSize(
Sender: TBaseVirtualTree; var NodeDataSize: Integer);
begin
NodeDataSize := SizeOf(TQuickUpdateFileData);
end;
procedure Tfrm_quickupdate.vst_filesGetText(Sender: TBaseVirtualTree;
Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
var CellText: WideString);
var data: PQuickUpdateFileData;
begin
CellText := '-';
data := Sender.GetNodeData(Node);
case Column of
0: CellText := data.filename;
1: CellText := data.hash_local;
2: CellText := data.hash_server;
3: CellText := data.status;
end;
end;
procedure Tfrm_quickupdate.Button3Click(Sender: TObject);
begin
getUpdates;
end;
procedure Tfrm_quickupdate.FormShow(Sender: TObject);
begin
getUpdates;
end;
function Tfrm_quickupdate.applyUpdates: integer;
procedure testFilename(filename: string);
begin
if pos('..', filename) > 0 then
raise Exception.Create(
'Filename includes backreferences! This is not allowed!');
end;
procedure doUpdate(localfile: string; fileurl: string);
var fs: TFileStream;
localbackup: string;
begin
// nur Änderungen an "Unterverzeichnissen" erlaubt,
// also teste den Pfad vorher!
testFilename(localfile);
localbackup := localfile + '.bak';
CopyFile(PChar(localfile),PChar(localbackup), false);
try
fs := TFileStream.Create(localfile, fmCreate);
try
IdHTTP1.Get(fileurl, fs);
finally
fs.Free;
end;
DeleteFile(localbackup);
Result := Result +1;
except
CopyFile(PChar(localbackup), PChar(localfile), false);
raise;
end;
end;
var node: PVirtualNode;
localPath, localfile: string;
tmp_plugin: string;
begin
tmp_plugin := TOgameDataBase(ODB).LanguagePlugIn.PluginFilename;
if enable_plugin_reload then
TOgameDataBase(ODB).LanguagePlugIn.LoadPluginFile('','','');
try
Result := 0;
localPath := ExtractFilePath(Application.ExeName);
node := vst_files.GetFirst;
while (node <> nil) do
begin
with TQuickUpdateFileData(vst_files.GetNodeData(node)^) do
begin
localfile := localPath + filename;
if status <> 'latest' then
begin
doUpdate(localfile,fullUpdateURL+filename);
end;
end;
// next
node := vst_files.GetNext(node);
end;
ShowMessage('Update erfolgreich! ' + IntToStr(Result) + ' Dateien bearbeitet!');
finally
if enable_plugin_reload then
begin
TOgameDataBase(ODB).LanguagePlugIn.PluginFilename := tmp_plugin;
TOgameDataBase(ODB).SelectPlugIn(false);
end;
end;
end;
procedure Tfrm_quickupdate.btn_updateClick(Sender: TObject);
begin
applyUpdates;
ModalResult := mrOk;
end;
procedure Tfrm_quickupdate.vst_filesCompareNodes(Sender: TBaseVirtualTree;
Node1, Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
var text1, text2: WideString;
begin
vst_filesGetText(Sender, Node1, Column, ttNormal, text1);
vst_filesGetText(Sender, Node2, Column, ttNormal, text2);
Result := IfThen(text1 > text2, 1, -1);
end;
procedure Tfrm_quickupdate.vst_filesBeforeCellPaint(
Sender: TBaseVirtualTree; TargetCanvas: TCanvas; Node: PVirtualNode;
Column: TColumnIndex; CellPaintMode: TVTCellPaintMode; CellRect: TRect;
var ContentRect: TRect);
var status: WideString;
begin
if Column = 3 then
begin
vst_filesGetText(Sender, Node, Column, ttNormal, status);
if status = 'latest' then
TargetCanvas.Brush.Color := clLime
else
TargetCanvas.Brush.Color := clRed;
TargetCanvas.FillRect(CellRect);
end;
end;
constructor Tfrm_quickupdate.Create(AOwner: TComponent; aODB: TObject;
aEnablePluginReload: boolean);
begin
inherited Create(AOwner);
enable_plugin_reload := aEnablePluginReload;
self.ODB := aODB;
fullUpdateURL := StringReplace(QuickUpdateUrl, '%ver%', main_ver, [rfReplaceAll]);
end;
constructor Tfrm_quickupdate.Create(AOwner: TComponent);
begin
raise Exception.Create('Tfrm_quickupdate.Create: disabled contructor!');
inherited;
end;
end.