compressionArchiveUtil.inc.php
9.39 KB
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
<?php
/**
* $Id:
*
* KnowledgeTree Open Source Edition
* Document Management Made Simple
* Copyright (C) 2004 - 2008 The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* You can contact The Jam Warehouse Software (Pty) Limited, Unit 1, Tramber Place,
* Blake Street, Observatory, 7925 South Africa. or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*
*/
/**
* Class to create and download a zip file
*/
class ZipFolder {
var $sTmpPath = '';
var $sZipFileName = '';
var $sZipFile = '';
var $aPaths = array();
var $aReplaceKeys = array();
var $aReplaceValues = array();
var $sOutputEncoding = 'UTF-8';
/**
* Constructor
*/
function ZipFolder($sZipFileName) {
$this->oKTConfig =& KTConfig::getSingleton();
$this->oStorage =& KTStorageManagerUtil::getSingleton();
$sBasedir = $this->oKTConfig->get("urls/tmpDirectory");
$sTmpPath = tempnam($sBasedir, 'kt_compress_zip');
unlink($sTmpPath);
mkdir($sTmpPath, 0700);
$this->sTmpPath = $sTmpPath;
$this->sZipFileName = $sZipFileName;
$this->aPaths = array();
$aReplace = array(
"[" => "[[]",
" " => "[ ]",
"*" => "[*]",
"?" => "[?]",
);
$this->aReplaceKeys = array_keys($aReplace);
$this->aReplaceValues = array_values($aReplace);
}
/**
* Add a document to the zip file
*/
function addDocumentToZip($oDocument, $oFolder = null) {
if(empty($oFolder)){
$oFolder = Folder::get($oDocument->getFolderID());
}
$sDocPath = $oFolder->getFullPath().'/'.$oFolder->getName();
$sDocName = $oDocument->getFileName();
$sParentFolder = str_replace('<', '', str_replace('</', '', str_replace('>', '', sprintf('%s/%s', $this->sTmpPath, $sDocPath))));
$newDir = $this->sTmpPath;
$sFullPath = str_replace('<', '', str_replace('</', '', str_replace('>', '', $this->_convertEncoding($sDocPath, true))));
foreach (split('/', $sFullPath) as $dirPart) {
$newDir = sprintf("%s/%s", $newDir, $dirPart);
if (!file_exists($newDir)) {
mkdir($newDir, 0700);
}
}
$sOrigFile = str_replace('<', '', str_replace('</', '', str_replace('>', '', $this->oStorage->temporaryFile($oDocument))));
$sFilename = sprintf("%s/%s", $sParentFolder, str_replace('<', '', str_replace('</', '', str_replace('>', '', $sDocName))));
$sFilename = $this->_convertEncoding($sFilename, true);
copy($sOrigFile, $sFilename);
$sPath = str_replace('<', '', str_replace('</', '', str_replace('>', '', sprintf("%s/%s", $sDocPath, $sDocName))));
$sPath = str_replace($this->aReplaceKeys, $this->aReplaceValues, $sPath);
$sPath = $this->_convertEncoding($sPath, true);
$this->aPaths[] = $sPath;
return true;
}
/**
* Add a folder to the zip file
*/
function addFolderToZip($oFolder) {
$sFolderPath = $oFolder->getFullPath().'/'.$oFolder->getName().'/';
$sParentFolder = str_replace('<', '', str_replace('</', '', str_replace('>', '', sprintf('%s/%s', $this->sTmpPath, $sFolderPath))));
$newDir = $this->sTmpPath;
$sFullPath = str_replace('<', '', str_replace('</', '', str_replace('>', '', $this->_convertEncoding($sFolderPath, true))));
foreach (split('/', $sFullPath) as $dirPart) {
$newDir = sprintf("%s/%s", $newDir, $dirPart);
if (!file_exists($newDir)) {
mkdir($newDir, 0700);
}
}
$sPath = str_replace('<', '', str_replace('</', '', str_replace('>', '', sprintf("%s", $sFolderPath))));
$sPath = str_replace($this->aReplaceKeys, $this->aReplaceValues, $sPath);
$sPath = $this->_convertEncoding($sPath, true);
$this->aPaths[] = $sPath;
return true;
}
/**
* Zip the temp folder
*/
function createZipFile($bEchoStatus = FALSE) {
if(empty($this->aPaths)){
return PEAR::raiseError(_kt("No folders or documents found to compress"));
//$this->addErrorMessage(_kt("No folders or documents found to compress"));
//return false;
}
$sManifest = sprintf("%s/%s", $this->sTmpPath, "MANIFEST");
file_put_contents($sManifest, join("\n", $this->aPaths));
$sZipFile = sprintf("%s/%s.zip", $this->sTmpPath, $this->sZipFileName);
$sZipFile = str_replace('<', '', str_replace('</', '', str_replace('>', '', $sZipFile)));
$sZipCommand = KTUtil::findCommand("export/zip", "zip");
$aCmd = array($sZipCommand, "-r", $sZipFile, ".", "-i@MANIFEST");
$sOldPath = getcwd();
chdir($this->sTmpPath);
// Note that the popen means that pexec will return a file descriptor
$aOptions = array('popen' => 'r');
$fh = KTUtil::pexec($aCmd, $aOptions);
if($bEchoStatus){
$last_beat = time();
while(!feof($fh)) {
if ($i % 1000 == 0) {
$this_beat = time();
if ($last_beat + 1 < $this_beat) {
$last_beat = $this_beat;
print " ";
}
}
$contents = fread($fh, 4096);
if ($contents) {
print nl2br($this->_convertEncoding($contents, false));
}
$i++;
}
}
pclose($fh);
// Save the zip file and path into session
$_SESSION['zipcompression'] = KTUtil::arrayGet($_SESSION, 'zipcompression', array());
$sExportCode = KTUtil::randomString();
$_SESSION['zipcompression'][$sExportCode] = array(
'file' => $sZipFile,
'dir' => $this->oZip->sTmpPath,
);
$_SESSION['zipcompression']['exportcode'] = $sExportCode;
$this->sZipFile = $sZipFile;
return $sExportCode;
}
/**
* Download the zip file
*/
function downloadZipFile($exportCode = NULL) {
if(!(isset($exportCode) && !empty($exportCode))) {
$exportCode = KTUtil::arrayGet($_SESSION['zipcompression'], 'exportcode');
}
$aData = KTUtil::arrayGet($_SESSION['zipcompression'], $exportCode);
if(!empty($aData)){
$sZipFile = $aData['file'];
$sTmpPath = $aData['dir'];
}else{
$sZipFile = $this->sZipFile;
$sTmpPath = $this->sTmpPath;
}
if (!file_exists($sZipFile)) {
return PEAR::raiseError(_kt('The ZIP file can only be downloaded once - if you cancel the download, you will need to reload the page.'));
}
header("Content-Type: application/zip");
header("Content-Length: ". filesize($sZipFile));
header("Content-Disposition: attachment; filename=\"" . $this->sZipFileName . ".zip" . "\"");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: must-revalidate");
readfile($sZipFile);
$sTmpDir = $sTmpPath;
KTUtil::deleteDirectory($sTmpDir);
return true;
}
/**
* Check that iconv exists and that the selected encoding is supported.
*/
function checkConvertEncoding() {
if(!function_exists("iconv")) {
return PEAR::raiseError(_kt('IConv PHP extension not installed. The zip file compression could not handle output filename encoding conversion !'));
}
$oKTConfig = $this->oKTConfig;
$this->sOutputEncoding = $oKTConfig->get('export/encoding', 'UTF-8');
// Test the specified encoding
if(iconv("UTF-8", $this->sOutputEncoding, "") === FALSE) {
return PEAR::raiseError(_kt('Specified output encoding for the zip files compression does not exists !'));
}
return true;
}
function _convertEncoding($sMystring, $bEncode) {
if (strcasecmp($this->sOutputEncoding, "UTF-8") === 0) {
return $sMystring;
}
if ($bEncode) {
return iconv("UTF-8", $this->sOutputEncoding, $sMystring);
} else {
return iconv($this->sOutputEncoding, "UTF-8", $sMystring);
}
}
}
?>