@@ 55-868 (lines=814) @@ | ||
52 | * |
|
53 | */ |
|
54 | ||
55 | class JUpload |
|
56 | { |
|
57 | ||
58 | public $appletparams; |
|
59 | public $classparams; |
|
60 | public $files; |
|
61 | ||
62 | public function __construct($appletparams = [], $classparams = []) |
|
63 | { |
|
64 | if ('array' !== gettype($classparams)) { |
|
65 | $this->abort('Invalid type of parameter classparams: Expecting an array'); |
|
66 | } |
|
67 | if ('array' !== gettype($appletparams)) { |
|
68 | $this->abort('Invalid type of parameter appletparams: Expecting an array'); |
|
69 | } |
|
70 | ||
71 | // set some defaults for the applet params |
|
72 | if (!isset($appletparams['afterUploadURL'])) { |
|
73 | $appletparams['afterUploadURL'] = $_SERVER['PHP_SELF'] . '?afterupload=1'; |
|
74 | } |
|
75 | if (!isset($appletparams['name'])) { |
|
76 | $appletparams['name'] = 'JUpload'; |
|
77 | } |
|
78 | if (!isset($appletparams['archive'])) { |
|
79 | $appletparams['archive'] = 'wjhk.jupload.jar'; |
|
80 | } |
|
81 | if (!isset($appletparams['code'])) { |
|
82 | $appletparams['code'] = 'wjhk.jupload2.JUploadApplet'; |
|
83 | } |
|
84 | if (!isset($appletparams['debugLevel'])) { |
|
85 | $appletparams['debugLevel'] = 0; |
|
86 | } |
|
87 | if (!isset($appletparams['httpUploadParameterType'])) { |
|
88 | $appletparams['httpUploadParameterType'] = 'array'; |
|
89 | } |
|
90 | if (!isset($appletparams['showLogWindow'])) { |
|
91 | $appletparams['showLogWindow'] = ($appletparams['debugLevel'] > 0) ? 'true' : 'false'; |
|
92 | } |
|
93 | if (!isset($appletparams['width'])) { |
|
94 | $appletparams['width'] = 640; |
|
95 | } |
|
96 | if (!isset($appletparams['height'])) { |
|
97 | $appletparams['height'] = ('true' === $appletparams['showLogWindow']) ? 500 : 300; |
|
98 | } |
|
99 | if (!isset($appletparams['mayscript'])) { |
|
100 | $appletparams['mayscript'] = 'true'; |
|
101 | } |
|
102 | if (!isset($appletparams['scriptable'])) { |
|
103 | $appletparams['scriptable'] = 'false'; |
|
104 | } |
|
105 | //if (!isset($appletparams['stringUploadSuccess'])) |
|
106 | $appletparams['stringUploadSuccess'] = 'SUCCESS'; |
|
107 | //if (!isset($appletparams['stringUploadError'])) |
|
108 | $appletparams['stringUploadError'] = 'ERROR: (.*)'; |
|
109 | $maxpost = $this->tobytes(ini_get('post_max_size')); |
|
110 | $maxmem = $this->tobytes(ini_get('memory_limit')); |
|
111 | $maxfs = $this->tobytes(ini_get('upload_max_filesize')); |
|
112 | $obd = ini_get('open_basedir'); |
|
113 | if (!isset($appletparams['maxChunkSize'])) { |
|
114 | $maxchunk = ($maxpost < $maxmem) ? $maxpost : $maxmem; |
|
115 | $maxchunk = ($maxchunk < $maxfs) ? $maxchunk : $maxfs; |
|
116 | $maxchunk /= 4; |
|
117 | $optchunk = (500000 > $maxchunk) ? $maxchunk : 500000; |
|
118 | $appletparams['maxChunkSize'] = $optchunk; |
|
119 | } |
|
120 | $appletparams['maxChunkSize'] = $this->tobytes($appletparams['maxChunkSize']); |
|
121 | if (!isset($appletparams['maxFileSize'])) { |
|
122 | $appletparams['maxFileSize'] = $maxfs; |
|
123 | } |
|
124 | $appletparams['maxFileSize'] = $this->tobytes($appletparams['maxFileSize']); |
|
125 | if (isset($classparams['errormail'])) { |
|
126 | $appletparams['urlToSendErrorTo'] = $_SERVER['PHP_SELF'] . '?errormail'; |
|
127 | } |
|
128 | ||
129 | // Same for class parameters |
|
130 | if (!isset($classparams['demo_mode'])) { |
|
131 | $classparams['demo_mode'] = false; |
|
132 | } |
|
133 | if ($classparams['demo_mode']) { |
|
134 | $classparams['create_destdir'] = false; |
|
135 | $classparams['allow_subdirs'] = true; |
|
136 | $classparams['allow_zerosized'] = true; |
|
137 | $classparams['duplicate'] = 'overwrite'; |
|
138 | } |
|
139 | if (!isset($classparams['debug_php'])) // set true to log some messages in PHP log |
|
140 | { |
|
141 | $classparams['debug_php'] = false; |
|
142 | } |
|
143 | if (!isset($this->classparams['allowed_mime_types'])) // array of allowed MIME type |
|
144 | { |
|
145 | $classparams['allowed_mime_types'] = 'all'; |
|
146 | } |
|
147 | if (!isset($this->classparams['allowed_file_extensions'])) // array of allowed file extensions |
|
148 | { |
|
149 | $classparams['allowed_file_extensions'] = 'all'; |
|
150 | } |
|
151 | if (!isset($classparams['verbose_errors'])) // shouldn't display server info on a production site! |
|
152 | { |
|
153 | $classparams['verbose_errors'] = true; |
|
154 | } |
|
155 | if (!isset($classparams['session_regenerate'])) { |
|
156 | $classparams['session_regenerate'] = false; |
|
157 | } |
|
158 | if (!isset($classparams['create_destdir'])) { |
|
159 | $classparams['create_destdir'] = true; |
|
160 | } |
|
161 | if (!isset($classparams['allow_subdirs'])) { |
|
162 | $classparams['allow_subdirs'] = false; |
|
163 | } |
|
164 | if (!isset($classparams['spaces_in_subdirs'])) { |
|
165 | $classparams['spaces_in_subdirs'] = false; |
|
166 | } |
|
167 | if (!isset($classparams['allow_zerosized'])) { |
|
168 | $classparams['allow_zerosized'] = false; |
|
169 | } |
|
170 | if (!isset($classparams['duplicate'])) { |
|
171 | $classparams['duplicate'] = 'rename'; |
|
172 | } |
|
173 | if (!isset($classparams['dirperm'])) { |
|
174 | $classparams['dirperm'] = 0755; |
|
175 | } |
|
176 | if (!isset($classparams['fileperm'])) { |
|
177 | $classparams['fileperm'] = 0644; |
|
178 | } |
|
179 | if (!isset($classparams['destdir'])) { |
|
180 | if ('' != $obd) { |
|
181 | $classparams['destdir'] = $obd; |
|
182 | } else { |
|
183 | $classparams['destdir'] = '/var/tmp/jupload_test'; |
|
184 | } |
|
185 | } else { |
|
186 | $classparams['destdir'] = str_replace('~', ' ', $classparams['destdir']); |
|
187 | } |
|
188 | if ($classparams['create_destdir']) { |
|
189 | $_umask = umask(0); // override the system mask |
|
190 | @mkdir($classparams['destdir'], $classparams['dirperm']); |
|
191 | umask($_umask); |
|
192 | } |
|
193 | if (!is_dir($classparams['destdir']) && is_writable($classparams['destdir'])) { |
|
194 | $this->abort('Destination dir not accessible'); |
|
195 | } |
|
196 | if (!isset($classparams['tmp_prefix'])) { |
|
197 | $classparams['tmp_prefix'] = 'jutmp.'; |
|
198 | } |
|
199 | if (!isset($classparams['var_prefix'])) { |
|
200 | $classparams['var_prefix'] = 'juvar.'; |
|
201 | } |
|
202 | if (!isset($classparams['jscript_wrapper'])) { |
|
203 | $classparams['jscript_wrapper'] = 'JUploadSetProperty'; |
|
204 | } |
|
205 | if (!isset($classparams['tag_jscript'])) { |
|
206 | $classparams['tag_jscript'] = '<!--JUPLOAD_JSCRIPT-->'; |
|
207 | } |
|
208 | if (!isset($classparams['tag_applet'])) { |
|
209 | $classparams['tag_applet'] = '<!--JUPLOAD_APPLET-->'; |
|
210 | } |
|
211 | if (!isset($classparams['tag_flist'])) { |
|
212 | $classparams['tag_flist'] = '<!--JUPLOAD_FILES-->'; |
|
213 | } |
|
214 | if (!isset($classparams['http_flist_start'])) { |
|
215 | $classparams['http_flist_start'] = "<table border='1'><TR><TH>Filename</TH><TH>file size</TH><TH>Relative path</TH><TH>Full name</TH><TH>md5sum</TH><TH>Specific parameters</TH></TR>"; |
|
216 | } |
|
217 | if (!isset($classparams['http_flist_end'])) { |
|
218 | $classparams['http_flist_end'] = "</table>\n"; |
|
219 | } |
|
220 | if (!isset($classparams['http_flist_file_before'])) { |
|
221 | $classparams['http_flist_file_before'] = '<tr><td>'; |
|
222 | } |
|
223 | if (!isset($classparams['http_flist_file_between'])) { |
|
224 | $classparams['http_flist_file_between'] = '</td><td>'; |
|
225 | } |
|
226 | if (!isset($classparams['http_flist_file_after'])) { |
|
227 | $classparams['http_flist_file_after'] = "</td></tr>\n"; |
|
228 | } |
|
229 | ||
230 | $this->appletparams = $appletparams; |
|
231 | $this->classparams = $classparams; |
|
232 | $this->page_start(); |
|
233 | } |
|
234 | ||
235 | /** |
|
236 | * Return an array of uploaded files * The array contains: name, size, tmp_name, error, |
|
237 | * relativePath, md5sum, mimetype, fullName, path |
|
238 | */ |
|
239 | public function uploadedfiles() |
|
240 | { |
|
241 | return $this->files; |
|
242 | } |
|
243 | ||
244 | /** |
|
245 | * Log a message on the current output, as a HTML comment. |
|
246 | * @param $function |
|
247 | * @param $msg |
|
248 | * @param bool $htmlComment |
|
249 | */ |
|
250 | protected function logDebug($function, $msg, $htmlComment = true) |
|
251 | { |
|
252 | $output = "[DEBUG] [$function] $msg"; |
|
253 | if ($htmlComment) { |
|
254 | echo("<!-- $output -->\r\n"); |
|
255 | } else { |
|
256 | echo("$output\r\n"); |
|
257 | } |
|
258 | } |
|
259 | ||
260 | /** |
|
261 | * Log a message to the PHP log. |
|
262 | * Declared "protected" so it may be Extended if you require customised logging (e.g. particular log file location). |
|
263 | * @param $function |
|
264 | * @param $msg |
|
265 | */ |
|
266 | protected function logPHPDebug($function, $msg) |
|
267 | { |
|
268 | if (true === $this->classparams['debug_php']) { |
|
269 | $output = "[DEBUG] [$function] " . $this->arrayexpand($msg); |
|
270 | error_log($output); |
|
271 | } |
|
272 | } |
|
273 | ||
274 | private function arrayexpand($array) |
|
275 | { |
|
276 | $output = ''; |
|
277 | if (is_array($array)) { |
|
278 | foreach ($array as $key => $value) { |
|
279 | $output .= "\n " . $key . ' => ' . $this->arrayexpand($value); |
|
280 | } |
|
281 | } else { |
|
282 | $output .= $array; |
|
283 | } |
|
284 | ||
285 | return $output; |
|
286 | } |
|
287 | ||
288 | /** |
|
289 | * Convert a value ending in 'G','M' or 'K' to bytes |
|
290 | * @param $val |
|
291 | * @return int|string |
|
292 | */ |
|
293 | private function tobytes($val) |
|
294 | { |
|
295 | $val = trim($val); |
|
296 | $last = fix_strtolower($val{strlen($val) - 1}); |
|
297 | switch ($last) { |
|
298 | case 'g': |
|
299 | $val *= 1024; |
|
300 | case 'm': |
|
301 | $val *= 1024; |
|
302 | case 'k': |
|
303 | $val *= 1024; |
|
304 | } |
|
305 | ||
306 | return $val; |
|
307 | } |
|
308 | ||
309 | /** |
|
310 | * Build a string, containing a javascript wrapper function |
|
311 | * for setting applet properties via JavaScript. This is necessary, |
|
312 | * because we use the "modern" method of including the applet (using |
|
313 | * <object> resp. <embed> tags) in order to trigger automatic JRE downloading. |
|
314 | * Therefore, in Netscape-like browsers, the applet is accessible via |
|
315 | * the document.embeds[] array while in others, it is accessible via the |
|
316 | * document.applets[] array. |
|
317 | * |
|
318 | * @return A string, containing the necessary wrapper function (named JUploadSetProperty) |
|
319 | */ |
|
320 | private function str_jsinit() |
|
321 | { |
|
322 | $N = "\n"; |
|
323 | $name = $this->appletparams['name']; |
|
324 | $ret = '<script type="text/javascript">' . $N; |
|
325 | $ret .= '<!--' . $N; |
|
326 | $ret .= 'function ' . $this->classparams['jscript_wrapper'] . '(name, value) {' . $N; |
|
327 | $ret .= ' document.applets["' . $name . '"] == null || document.applets["' . $name . '"].setProperty(name,value);' . $N; |
|
328 | $ret .= ' document.embeds["' . $name . '"] == null || document.embeds["' . $name . '"].setProperty(name,value);' . $N; |
|
329 | $ret .= '}' . $N; |
|
330 | $ret .= '//-->' . $N; |
|
331 | $ret .= '</script>'; |
|
332 | ||
333 | return $ret; |
|
334 | } |
|
335 | ||
336 | /** |
|
337 | * Build a string, containing the applet tag with all parameters. |
|
338 | * |
|
339 | * @return A string, containing the applet tag |
|
340 | */ |
|
341 | private function str_applet() |
|
342 | { |
|
343 | $N = "\n"; |
|
344 | $params = $this->appletparams; |
|
345 | // return the actual applet tag |
|
346 | $ret = '<object classid = "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"' . $N; |
|
347 | $ret .= ' codebase = "http://java.sun.com/update/1.5.0/jinstall-1_5-windows-i586.cab#Version=5,0,0,3"' . $N; |
|
348 | $ret .= ' width = "' . $params['width'] . '"' . $N; |
|
349 | $ret .= ' height = "' . $params['height'] . '"' . $N; |
|
350 | $ret .= ' name = "' . $params['name'] . '">' . $N; |
|
351 | foreach ($params as $key => $val) { |
|
352 | if ('width' !== $key && 'height' !== $key) { |
|
353 | $ret .= ' <param name = "' . $key . '" value = "' . $val . '" />' . $N; |
|
354 | } |
|
355 | } |
|
356 | $ret .= ' <comment>' . $N; |
|
357 | $ret .= ' <embed' . $N; |
|
358 | $ret .= ' type = "application/x-java-applet;version=1.5"' . $N; |
|
359 | foreach ($params as $key => $val) { |
|
360 | $ret .= ' ' . $key . ' = "' . $val . '"' . $N; |
|
361 | } |
|
362 | $ret .= ' pluginspage = "http://java.sun.com/products/plugin/index.html#download">' . $N; |
|
363 | $ret .= ' <noembed>' . $N; |
|
364 | $ret .= ' Java 1.5 or higher plugin required.' . $N; |
|
365 | $ret .= ' </noembed>' . $N; |
|
366 | $ret .= ' </embed>' . $N; |
|
367 | $ret .= ' </comment>' . $N; |
|
368 | $ret .= '</object>'; |
|
369 | ||
370 | return $ret; |
|
371 | } |
|
372 | ||
373 | private function abort($msg = '') |
|
374 | { |
|
375 | $this->cleanup(); |
|
376 | if ('' != $msg) { |
|
377 | die(str_replace('(.*)', $msg, $this->appletparams['stringUploadError']) . "\n"); |
|
378 | } |
|
379 | exit; |
|
380 | } |
|
381 | ||
382 | private function warning($msg = '') |
|
383 | { |
|
384 | $this->cleanup(); |
|
385 | if ('' != $msg) { |
|
386 | echo('WARNING: ' . $msg . "\n"); |
|
387 | } |
|
388 | echo $this->appletparams['stringUploadSuccess'] . "\n"; |
|
389 | exit; |
|
390 | } |
|
391 | ||
392 | private function cleanup() |
|
393 | { |
|
394 | // remove all uploaded files of *this* request |
|
395 | if (isset($_FILES)) { |
|
396 | foreach ($_FILES as $key => $val) { |
|
397 | @unlink($val['tmp_name']); |
|
398 | } |
|
399 | } |
|
400 | // remove accumulated file, if any. |
|
401 | @unlink($this->classparams['destdir'] . '/' . $this->classparams['tmp_prefix'] . session_id()); |
|
402 | @unlink($this->classparams['destdir'] . '/' . $this->classparams['tmp_prefix'] . 'tmp' . session_id()); |
|
403 | // reset session var |
|
404 | $_SESSION[$this->classparams['var_prefix'] . 'size'] = 0; |
|
405 | ||
406 | return; |
|
407 | } |
|
408 | ||
409 | private function mkdirp($path) |
|
410 | { |
|
411 | // create subdir (hierary) below destdir; |
|
412 | $dirs = explode('/', $path); |
|
413 | $path = $this->classparams['destdir']; |
|
414 | foreach ($dirs as $dir) { |
|
415 | $path .= '/' . $dir; |
|
416 | if (!file_exists($path)) { // @ does NOT always supress the error! |
|
417 | $_umask = umask(0); // override the system mask |
|
418 | @mkdir($path, $this->classparams['dirperm']); |
|
419 | umask($_umask); |
|
420 | } |
|
421 | } |
|
422 | if (!is_dir($path) && is_writable($path)) { |
|
423 | $this->abort('Destination dir not accessible'); |
|
424 | } |
|
425 | } |
|
426 | ||
427 | /** |
|
428 | * This method: |
|
429 | * - Replaces some potentially dangerous characters by '_' (in the given name an relative path) |
|
430 | * - Checks if a files of the same name already exists. |
|
431 | * - If no: no problem. |
|
432 | * - If yes, and the duplicate class param is set to rename, the file is renamed. |
|
433 | * - If yes, and the duplicate class param is set to overwrite, the file is not renamed. The existing one will be erased. |
|
434 | * - If yes, and the duplicate class param is set to reject, an error is thrown. |
|
435 | * @param $name |
|
436 | * @param $subdir |
|
437 | * @return string |
|
438 | */ |
|
439 | private function dstfinal(&$name, &$subdir) |
|
440 | { |
|
441 | $name = preg_replace('![`$\\\\/|]!', '_', $name); |
|
442 | if ($this->classparams['allow_subdirs'] && ('' != $subdir)) { |
|
443 | $subdir = trim(preg_replace('!\\\\!', '/', $subdir), '/'); |
|
444 | $subdir = preg_replace('![`$|]!', '_', $subdir); |
|
445 | if (!$this->classparams['spaces_in_subdirs']) { |
|
446 | $subdir = str_replace(' ', '_', $subdir); |
|
447 | } |
|
448 | // recursively create subdir |
|
449 | if (!$this->classparams['demo_mode']) { |
|
450 | $this->mkdirp($subdir); |
|
451 | } |
|
452 | // append a slash |
|
453 | $subdir .= '/'; |
|
454 | } else { |
|
455 | $subdir = ''; |
|
456 | } |
|
457 | $ret = $this->classparams['destdir'] . '/' . $subdir . $name; |
|
458 | if (file_exists($ret)) { |
|
459 | if ('overwrite' === $this->classparams['duplicate']) { |
|
460 | return $ret; |
|
461 | } |
|
462 | if ('reject' === $this->classparams['duplicate']) { |
|
463 | $this->abort('A file with the same name already exists'); |
|
464 | } |
|
465 | if ('warning' === $this->classparams['duplicate']) { |
|
466 | $this->warning("File $name already exists - rejected"); |
|
467 | } |
|
468 | if ('rename' === $this->classparams['duplicate']) { |
|
469 | $cnt = 1; |
|
470 | $dir = $this->classparams['destdir'] . '/' . $subdir; |
|
471 | $ext = strrchr($name, '.'); |
|
472 | if ($ext) { |
|
473 | $nameWithoutExtension = substr($name, 0, strlen($name) - strlen($ext)); |
|
474 | } else { |
|
475 | $ext = ''; |
|
476 | $nameWithoutExtension = $name; |
|
477 | } |
|
478 | ||
479 | $rtry = $dir . $nameWithoutExtension . '_' . $cnt . $ext; |
|
480 | while (file_exists($rtry)) { |
|
481 | ++$cnt; |
|
482 | $rtry = $dir . $nameWithoutExtension . '._' . $cnt . $ext; |
|
483 | } |
|
484 | //We store the result name in the byReference name parameter. |
|
485 | $name = $nameWithoutExtension . '_' . $cnt . $ext; |
|
486 | $ret = $rtry; |
|
487 | } |
|
488 | } |
|
489 | ||
490 | return $ret; |
|
491 | } |
|
492 | ||
493 | /** |
|
494 | * Example function to process the files uploaded. This one simply displays the files' data. |
|
495 | * |
|
496 | */ |
|
497 | public function defaultAfterUploadManagement() |
|
498 | { |
|
499 | $flist = '[defaultAfterUploadManagement] Nb uploaded files is: ' . count($this->files); |
|
500 | $flist = $this->classparams['http_flist_start']; |
|
501 | foreach ($this->files as $f) { |
|
502 | //$f is an array, that contains all info about the uploaded file. |
|
503 | $this->logDebug('defaultAfterUploadManagement', " Reading file ${f['name']}"); |
|
504 | $flist .= $this->classparams['http_flist_file_before']; |
|
505 | $flist .= $f['name']; |
|
506 | $flist .= $this->classparams['http_flist_file_between']; |
|
507 | $flist .= $f['size']; |
|
508 | $flist .= $this->classparams['http_flist_file_between']; |
|
509 | $flist .= $f['relativePath']; |
|
510 | $flist .= $this->classparams['http_flist_file_between']; |
|
511 | $flist .= $f['fullName']; |
|
512 | $flist .= $this->classparams['http_flist_file_between']; |
|
513 | $flist .= $f['md5sum']; |
|
514 | $addBR = false; |
|
515 | foreach ($f as $key => $value) { |
|
516 | //If it's a specific key, let's display it: |
|
517 | if ('name' !== $key && 'size' !== $key && 'relativePath' !== $key && 'fullName' !== $key && 'md5sum' !== $key) { |
|
518 | if ($addBR) { |
|
519 | $flist .= '<br>'; |
|
520 | } else { |
|
521 | // First line. We must add a new 'official' list separator. |
|
522 | $flist .= $this->classparams['http_flist_file_between']; |
|
523 | $addBR = true; |
|
524 | } |
|
525 | $flist .= "$key => $value"; |
|
526 | } |
|
527 | } |
|
528 | $flist .= $this->classparams['http_flist_file_after']; |
|
529 | } |
|
530 | $flist .= $this->classparams['http_flist_end']; |
|
531 | ||
532 | return $flist; |
|
533 | } |
|
534 | ||
535 | /** |
|
536 | * Generation of the applet tag, and necessary things around (js content). Insertion of this into the content of the |
|
537 | * page. |
|
538 | * See the tag_jscript and tag_applet class parameters. |
|
539 | * @param $str |
|
540 | * @return string|string[]|null |
|
541 | */ |
|
542 | private function generateAppletTag($str) |
|
543 | { |
|
544 | $this->logDebug('generateAppletTag', 'Entering function'); |
|
545 | $str = preg_replace('/' . $this->classparams['tag_jscript'] . '/', $this->str_jsinit(), $str); |
|
546 | ||
547 | return preg_replace('/' . $this->classparams['tag_applet'] . '/', $this->str_applet(), $str); |
|
548 | } |
|
549 | ||
550 | /** |
|
551 | * This function is called when constructing the page, when we're not reveiving uploaded files. It 'just' construct |
|
552 | * the applet tag, by calling the relevant function. |
|
553 | * |
|
554 | * This *must* be public, because it is called from PHP's output buffering |
|
555 | * @param $str |
|
556 | * @return string|string[]|null |
|
557 | */ |
|
558 | public function interceptBeforeUpload($str) |
|
559 | { |
|
560 | $this->logDebug('interceptBeforeUpload', 'Entering function'); |
|
561 | ||
562 | return $this->generateAppletTag($str); |
|
563 | } |
|
564 | ||
565 | /** |
|
566 | * This function displays the uploaded files description in the current page (see tag_flist class parameter) |
|
567 | * |
|
568 | * This *must* be public, because it is called from PHP's output buffering. |
|
569 | * @param $str |
|
570 | * @return string|string[]|null |
|
571 | */ |
|
572 | public function interceptAfterUpload($str) |
|
573 | { |
|
574 | $this->logDebug('interceptAfterUpload', 'Entering function'); |
|
575 | $this->logPHPDebug('interceptAfterUpload', $this->files); |
|
576 | ||
577 | if (count($this->files) > 0) { |
|
578 | if (isset($this->classparams['callbackAfterUploadManagement'])) { |
|
579 | $this->logDebug('interceptAfterUpload', 'Before call of ' . $this->classparams['callbackAfterUploadManagement']); |
|
580 | $strForFListContent = call_user_func($this->classparams['callbackAfterUploadManagement'], $this, $this->files); |
|
581 | } else { |
|
582 | $strForFListContent = $this->defaultAfterUploadManagement(); |
|
583 | } |
|
584 | $str = preg_replace('/' . $this->classparams['tag_flist'] . '/', $strForFListContent, $str); |
|
585 | } |
|
586 | ||
587 | return $this->generateAppletTag($str); |
|
588 | } |
|
589 | ||
590 | /** |
|
591 | * This method manages the receiving of the debug log, when an error occurs. |
|
592 | */ |
|
593 | private function receive_debug_log() |
|
594 | { |
|
595 | // handle error report |
|
596 | if (isset($_POST['description']) && isset($_POST['log'])) { |
|
597 | $msg = $_POST['log']; |
|
598 | mail($this->classparams['errormail'], $_POST['description'], $msg); |
|
599 | } else { |
|
600 | if (isset($_SERVER['SERVER_ADMIN'])) { |
|
601 | mail( |
|
602 | $_SERVER['SERVER_ADMIN'], |
|
603 | 'Empty jupload error log', |
|
604 | 'An empty log has just been posted.' |
|
605 | ); |
|
606 | } |
|
607 | $this->logPHPDebug('receive_debug_log', 'Empty error log received'); |
|
608 | } |
|
609 | exit; |
|
610 | } |
|
611 | ||
612 | /** |
|
613 | * This method is the heart of the system. It manage the files sent by the applet, check the incoming parameters (md5sum) and |
|
614 | * reconstruct the files sent in chunk mode. |
|
615 | * |
|
616 | * The result is stored in the $files array, and can then be managed by the function given in the callbackAfterUploadManagement |
|
617 | * class parameter, or within the page whose URL is given in the afterUploadURL applet parameter. |
|
618 | * Or you can Extend the class and redeclare defaultAfterUploadManagement() to your needs. |
|
619 | */ |
|
620 | private function receive_uploaded_files() |
|
621 | { |
|
622 | $this->logDebug('receive_uploaded_files', 'Entering POST management'); |
|
623 | ||
624 | if ('' == session_id()) { |
|
625 | session_start(); |
|
626 | } |
|
627 | // we check for the session *after* handling possible error log |
|
628 | // because an error could have happened because the session-id is missing. |
|
629 | if (!isset($_SESSION[$this->classparams['var_prefix'] . 'size'])) { |
|
630 | $this->abort('Invalid session (in afterupload, POST, check of size)'); |
|
631 | } |
|
632 | if (!isset($_SESSION[$this->classparams['var_prefix'] . 'files'])) { |
|
633 | $this->abort('Invalid session (in afterupload, POST, check of files)'); |
|
634 | } |
|
635 | $this->files = $_SESSION[$this->classparams['var_prefix'] . 'files']; |
|
636 | if (!is_array($this->files)) { |
|
637 | $this->abort('Invalid session (in afterupload, POST, is_array(files))'); |
|
638 | } |
|
639 | if ('true' === $this->appletparams['sendMD5Sum'] && !isset($_POST['md5sum'])) { |
|
640 | $this->abort('Required POST variable md5sum is missing'); |
|
641 | } |
|
642 | $cnt = 0; |
|
643 | foreach ($_FILES as $key => $value) { |
|
644 | //Let's read the $_FILES data |
|
645 | if (isset($files_data)) { |
|
646 | unset($files_data); |
|
647 | } |
|
648 | $jupart = (isset($_POST['jupart'])) ? (int)$_POST['jupart'] : 0; |
|
649 | $jufinal = (isset($_POST['jufinal'])) ? (int)$_POST['jufinal'] : 1; |
|
650 | $relpaths = (isset($_POST['relpathinfo'])) ? $_POST['relpathinfo'] : null; |
|
651 | $md5sums = (isset($_POST['md5sum'])) ? $_POST['md5sum'] : null; |
|
652 | $mimetypes = (isset($_POST['mimetype'])) ? $_POST['mimetype'] : null; |
|
653 | //$relpaths = (isset($_POST["relpathinfo$cnt"])) ? $_POST["relpathinfo$cnt"] : null; |
|
654 | //$md5sums = (isset($_POST["md5sum$cnt"])) ? $_POST["md5sum$cnt"] : null; |
|
655 | ||
656 | if ('string' === gettype($relpaths)) { |
|
657 | $relpaths = [$relpaths]; |
|
658 | } |
|
659 | if ('string' === gettype($md5sums)) { |
|
660 | $md5sums = [$md5sums]; |
|
661 | } |
|
662 | if ('true' === $this->appletparams['sendMD5Sum'] && !is_array($md5sums)) { |
|
663 | $this->abort('Expecting an array of MD5 checksums'); |
|
664 | } |
|
665 | if (!is_array($relpaths)) { |
|
666 | $this->abort('Expecting an array of relative paths'); |
|
667 | } |
|
668 | if (!is_array($mimetypes)) { |
|
669 | $this->abort('Expecting an array of MIME types'); |
|
670 | } |
|
671 | // Check the MIME type (note: this is easily forged!) |
|
672 | if (isset($this->classparams['allowed_mime_types']) && is_array($this->classparams['allowed_mime_types'])) { |
|
673 | if (!in_array($mimetypes[$cnt], $this->classparams['allowed_mime_types'])) { |
|
674 | $this->abort('MIME type ' . $mimetypes[$cnt] . ' not allowed'); |
|
675 | } |
|
676 | } |
|
677 | if (isset($this->classparams['allowed_file_extensions']) && is_array($this->classparams['allowed_file_extensions'])) { |
|
678 | $fileExtension = substr(strrchr($value['name'][$cnt], '.'), 1); |
|
679 | if (!in_array($fileExtension, $this->classparams['allowed_file_extensions'])) { |
|
680 | $this->abort('File extension ' . $fileExtension . ' not allowed'); |
|
681 | } |
|
682 | } |
|
683 | ||
684 | $dstdir = $this->classparams['destdir']; |
|
685 | $dstname = $dstdir . '/' . $this->classparams['tmp_prefix'] . session_id(); |
|
686 | $tmpname = $dstdir . '/' . $this->classparams['tmp_prefix'] . 'tmp' . session_id(); |
|
687 | ||
688 | // Controls are now done. Let's store the current uploaded files properties in an array, for future use. |
|
689 | $files_data['name'] = $value['name'][$cnt]; |
|
690 | $files_data['size'] = 'not calculated yet'; |
|
691 | $files_data['tmp_name'] = $value['tmp_name'][$cnt]; |
|
692 | $files_data['error'] = $value['error'][$cnt]; |
|
693 | $files_data['relativePath'] = $relpaths[$cnt]; |
|
694 | $files_data['md5sum'] = $md5sums[$cnt]; |
|
695 | $files_data['mimetype'] = $mimetypes[$cnt]; |
|
696 | ||
697 | if (!move_uploaded_file($files_data['tmp_name'], $tmpname)) { |
|
698 | if ($classparams['verbose_errors']) { |
|
699 | $this->abort("Unable to move uploaded file (from ${files_data['tmp_name']} to $tmpname)"); |
|
700 | } else { |
|
701 | trigger_error("Unable to move uploaded file (from ${files_data['tmp_name']} to $tmpname)", E_USER_WARNING); |
|
702 | $this->abort('Unable to move uploaded file'); |
|
703 | } |
|
704 | } |
|
705 | ||
706 | // In demo mode, no file storing is done. We just delete the newly uploaded file. |
|
707 | if ($this->classparams['demo_mode']) { |
|
708 | if ($jufinal || (!$jupart)) { |
|
709 | if ($jupart) { |
|
710 | $files_data['size'] = ($jupart - 1) * $this->appletparams['maxChunkSize'] + filesize($tmpname); |
|
711 | } else { |
|
712 | $files_data['size'] = filesize($tmpname); |
|
713 | } |
|
714 | $files_data['fullName'] = 'Demo mode<BR>No file storing'; |
|
715 | array_push($this->files, $files_data); |
|
716 | } |
|
717 | unlink($tmpname); |
|
718 | ++$cnt; |
|
719 | continue; |
|
720 | } |
|
721 | //If we get here, the upload is a real one (no demo) |
|
722 | if ($jupart) { |
|
723 | // got a chunk of a multi-part upload |
|
724 | $len = filesize($tmpname); |
|
725 | $_SESSION[$this->classparams['var_prefix'] . 'size'] += $len; |
|
726 | if ($len > 0) { |
|
727 | $src = fopen($tmpname, 'rb'); |
|
728 | $dst = fopen($dstname, (1 == $jupart) ? 'wb' : 'ab'); |
|
729 | while ($len > 0) { |
|
730 | $rlen = ($len > 8192) ? 8192 : $len; |
|
731 | $buf = fread($src, $rlen); |
|
732 | if (!$buf) { |
|
733 | fclose($src); |
|
734 | fclose($dst); |
|
735 | unlink($dstname); |
|
736 | $this->abort('read IO error'); |
|
737 | } |
|
738 | if (!fwrite($dst, $buf, $rlen)) { |
|
739 | fclose($src); |
|
740 | fclose($dst); |
|
741 | unlink($dstname); |
|
742 | $this->abort('write IO error'); |
|
743 | } |
|
744 | $len -= $rlen; |
|
745 | } |
|
746 | fclose($src); |
|
747 | fclose($dst); |
|
748 | unlink($tmpname); |
|
749 | } |
|
750 | if ($jufinal) { |
|
751 | // This is the last chunk. Check total lenght and |
|
752 | // rename it to it's final name. |
|
753 | $dlen = filesize($dstname); |
|
754 | if ($dlen != $_SESSION[$this->classparams['var_prefix'] . 'size']) { |
|
755 | $this->abort('file size mismatch'); |
|
756 | } |
|
757 | if ('true' === $this->appletparams['sendMD5Sum']) { |
|
758 | if ($md5sums[$cnt] != md5_file($dstname)) { |
|
759 | $this->abort('MD5 checksum mismatch'); |
|
760 | } |
|
761 | } |
|
762 | // remove zero sized files |
|
763 | if (($dlen > 0) || $this->classparams['allow_zerosized']) { |
|
764 | $dstfinal = $this->dstfinal($files_data['name'], $files_data['relativePath']); |
|
765 | if (!rename($dstname, $dstfinal)) { |
|
766 | $this->abort('rename IO error'); |
|
767 | } |
|
768 | $_umask = umask(0); // override the system mask |
|
769 | if (!chmod($dstfinal, $this->classparams['fileperm'])) { |
|
770 | $this->abort('chmod IO error'); |
|
771 | } |
|
772 | umask($_umask); |
|
773 | $files_data['size'] = filesize($dstfinal); |
|
774 | $files_data['fullName'] = $dstfinal; |
|
775 | $files_data['path'] = fix_dirname($dstfinal); |
|
776 | array_push($this->files, $files_data); |
|
777 | } else { |
|
778 | unlink($dstname); |
|
779 | } |
|
780 | // reset session var |
|
781 | $_SESSION[$this->classparams['var_prefix'] . 'size'] = 0; |
|
782 | } |
|
783 | } else { |
|
784 | // Got a single file upload. Trivial. |
|
785 | if ('true' === $this->appletparams['sendMD5Sum']) { |
|
786 | if ($md5sums[$cnt] != md5_file($tmpname)) { |
|
787 | $this->abort('MD5 checksum mismatch'); |
|
788 | } |
|
789 | } |
|
790 | $dstfinal = $this->dstfinal($files_data['name'], $files_data['relativePath']); |
|
791 | if (!rename($tmpname, $dstfinal)) { |
|
792 | $this->abort('rename IO error'); |
|
793 | } |
|
794 | $_umask = umask(0); // override the system mask |
|
795 | if (!chmod($dstfinal, $this->classparams['fileperm'])) { |
|
796 | $this->abort('chmod IO error'); |
|
797 | } |
|
798 | umask($_umask); |
|
799 | $files_data['size'] = filesize($dstfinal); |
|
800 | $files_data['fullName'] = $dstfinal; |
|
801 | $files_data['path'] = fix_dirname($dstfinal); |
|
802 | array_push($this->files, $files_data); |
|
803 | } |
|
804 | ++$cnt; |
|
805 | } |
|
806 | ||
807 | echo $this->appletparams['stringUploadSuccess'] . "\n"; |
|
808 | $_SESSION[$this->classparams['var_prefix'] . 'files'] = $this->files; |
|
809 | session_write_close(); |
|
810 | exit; |
|
811 | } |
|
812 | ||
813 | /** |
|
814 | * |
|
815 | * |
|
816 | */ |
|
817 | private function page_start() |
|
818 | { |
|
819 | $this->logDebug('page_start', 'Entering function'); |
|
820 | ||
821 | // If the applet checks for the serverProtocol, it issues a HEAD request |
|
822 | // -> Simply return an empty doc. |
|
823 | if ('HEAD' === $_SERVER['REQUEST_METHOD']) { |
|
824 | // Nothing to do |
|
825 | ||
826 | } elseif ('GET' === $_SERVER['REQUEST_METHOD']) { |
|
827 | // A GET request means: return upload page |
|
828 | $this->logDebug('page_start', 'Entering GET management'); |
|
829 | ||
830 | if ('' == session_id()) { |
|
831 | session_start(); |
|
832 | } |
|
833 | if (isset($_GET['afterupload'])) { |
|
834 | $this->logDebug('page_start', 'afterupload is set'); |
|
835 | if (!isset($_SESSION[$this->classparams['var_prefix'] . 'files'])) { |
|
836 | $this->abort('Invalid session (in afterupload, GET, check of $_SESSION): files array is not set'); |
|
837 | } |
|
838 | $this->files = $_SESSION[$this->classparams['var_prefix'] . 'files']; |
|
839 | if (!is_array($this->files)) { |
|
840 | $this->abort('Invalid session (in afterupload, GET, check of is_array(files)): files is not an array'); |
|
841 | } |
|
842 | // clear session data ready for new upload |
|
843 | $_SESSION[$this->classparams['var_prefix'] . 'files'] = []; |
|
844 | ||
845 | // start intercepting the content of the calling page, to display the upload result. |
|
846 | ob_start([& $this, 'interceptAfterUpload']); |
|
847 | } else { |
|
848 | $this->logDebug('page_start', 'afterupload is not set'); |
|
849 | if ($this->classparams['session_regenerate']) { |
|
850 | session_regenerate_id(true); |
|
851 | } |
|
852 | $this->files = []; |
|
853 | $_SESSION[$this->classparams['var_prefix'] . 'size'] = 0; |
|
854 | $_SESSION[$this->classparams['var_prefix'] . 'files'] = $this->files; |
|
855 | // start intercepting the content of the calling page, to display the applet tag. |
|
856 | ob_start([& $this, 'interceptBeforeUpload']); |
|
857 | } |
|
858 | } elseif ('POST' === $_SERVER['REQUEST_METHOD']) { |
|
859 | // If we got a POST request, this is the real work. |
|
860 | if (isset($_GET['errormail'])) { |
|
861 | //Hum, an error occurs on server side. Let's manage the debug log, that we just received. |
|
862 | $this->receive_debug_log(); |
|
863 | } else { |
|
864 | $this->receive_uploaded_files(); |
|
865 | } |
|
866 | } |
|
867 | } |
|
868 | } |
|
869 | ||
870 | // PHP end tag omitted intentionally!! |
|
871 |
@@ 55-868 (lines=814) @@ | ||
52 | * |
|
53 | */ |
|
54 | ||
55 | class JUpload |
|
56 | { |
|
57 | ||
58 | public $appletparams; |
|
59 | public $classparams; |
|
60 | public $files; |
|
61 | ||
62 | public function __construct($appletparams = [], $classparams = []) |
|
63 | { |
|
64 | if ('array' !== gettype($classparams)) { |
|
65 | $this->abort('Invalid type of parameter classparams: Expecting an array'); |
|
66 | } |
|
67 | if ('array' !== gettype($appletparams)) { |
|
68 | $this->abort('Invalid type of parameter appletparams: Expecting an array'); |
|
69 | } |
|
70 | ||
71 | // set some defaults for the applet params |
|
72 | if (!isset($appletparams['afterUploadURL'])) { |
|
73 | $appletparams['afterUploadURL'] = $_SERVER['PHP_SELF'] . '?afterupload=1'; |
|
74 | } |
|
75 | if (!isset($appletparams['name'])) { |
|
76 | $appletparams['name'] = 'JUpload'; |
|
77 | } |
|
78 | if (!isset($appletparams['archive'])) { |
|
79 | $appletparams['archive'] = 'wjhk.jupload.jar'; |
|
80 | } |
|
81 | if (!isset($appletparams['code'])) { |
|
82 | $appletparams['code'] = 'wjhk.jupload2.JUploadApplet'; |
|
83 | } |
|
84 | if (!isset($appletparams['debugLevel'])) { |
|
85 | $appletparams['debugLevel'] = 0; |
|
86 | } |
|
87 | if (!isset($appletparams['httpUploadParameterType'])) { |
|
88 | $appletparams['httpUploadParameterType'] = 'array'; |
|
89 | } |
|
90 | if (!isset($appletparams['showLogWindow'])) { |
|
91 | $appletparams['showLogWindow'] = ($appletparams['debugLevel'] > 0) ? 'true' : 'false'; |
|
92 | } |
|
93 | if (!isset($appletparams['width'])) { |
|
94 | $appletparams['width'] = 640; |
|
95 | } |
|
96 | if (!isset($appletparams['height'])) { |
|
97 | $appletparams['height'] = ('true' === $appletparams['showLogWindow']) ? 500 : 300; |
|
98 | } |
|
99 | if (!isset($appletparams['mayscript'])) { |
|
100 | $appletparams['mayscript'] = 'true'; |
|
101 | } |
|
102 | if (!isset($appletparams['scriptable'])) { |
|
103 | $appletparams['scriptable'] = 'false'; |
|
104 | } |
|
105 | //if (!isset($appletparams['stringUploadSuccess'])) |
|
106 | $appletparams['stringUploadSuccess'] = 'SUCCESS'; |
|
107 | //if (!isset($appletparams['stringUploadError'])) |
|
108 | $appletparams['stringUploadError'] = 'ERROR: (.*)'; |
|
109 | $maxpost = $this->tobytes(ini_get('post_max_size')); |
|
110 | $maxmem = $this->tobytes(ini_get('memory_limit')); |
|
111 | $maxfs = $this->tobytes(ini_get('upload_max_filesize')); |
|
112 | $obd = ini_get('open_basedir'); |
|
113 | if (!isset($appletparams['maxChunkSize'])) { |
|
114 | $maxchunk = ($maxpost < $maxmem) ? $maxpost : $maxmem; |
|
115 | $maxchunk = ($maxchunk < $maxfs) ? $maxchunk : $maxfs; |
|
116 | $maxchunk /= 4; |
|
117 | $optchunk = (500000 > $maxchunk) ? $maxchunk : 500000; |
|
118 | $appletparams['maxChunkSize'] = $optchunk; |
|
119 | } |
|
120 | $appletparams['maxChunkSize'] = $this->tobytes($appletparams['maxChunkSize']); |
|
121 | if (!isset($appletparams['maxFileSize'])) { |
|
122 | $appletparams['maxFileSize'] = $maxfs; |
|
123 | } |
|
124 | $appletparams['maxFileSize'] = $this->tobytes($appletparams['maxFileSize']); |
|
125 | if (isset($classparams['errormail'])) { |
|
126 | $appletparams['urlToSendErrorTo'] = $_SERVER['PHP_SELF'] . '?errormail'; |
|
127 | } |
|
128 | ||
129 | // Same for class parameters |
|
130 | if (!isset($classparams['demo_mode'])) { |
|
131 | $classparams['demo_mode'] = false; |
|
132 | } |
|
133 | if ($classparams['demo_mode']) { |
|
134 | $classparams['create_destdir'] = false; |
|
135 | $classparams['allow_subdirs'] = true; |
|
136 | $classparams['allow_zerosized'] = true; |
|
137 | $classparams['duplicate'] = 'overwrite'; |
|
138 | } |
|
139 | if (!isset($classparams['debug_php'])) // set true to log some messages in PHP log |
|
140 | { |
|
141 | $classparams['debug_php'] = false; |
|
142 | } |
|
143 | if (!isset($this->classparams['allowed_mime_types'])) // array of allowed MIME type |
|
144 | { |
|
145 | $classparams['allowed_mime_types'] = 'all'; |
|
146 | } |
|
147 | if (!isset($this->classparams['allowed_file_extensions'])) // array of allowed file extensions |
|
148 | { |
|
149 | $classparams['allowed_file_extensions'] = 'all'; |
|
150 | } |
|
151 | if (!isset($classparams['verbose_errors'])) // shouldn't display server info on a production site! |
|
152 | { |
|
153 | $classparams['verbose_errors'] = true; |
|
154 | } |
|
155 | if (!isset($classparams['session_regenerate'])) { |
|
156 | $classparams['session_regenerate'] = false; |
|
157 | } |
|
158 | if (!isset($classparams['create_destdir'])) { |
|
159 | $classparams['create_destdir'] = true; |
|
160 | } |
|
161 | if (!isset($classparams['allow_subdirs'])) { |
|
162 | $classparams['allow_subdirs'] = false; |
|
163 | } |
|
164 | if (!isset($classparams['spaces_in_subdirs'])) { |
|
165 | $classparams['spaces_in_subdirs'] = false; |
|
166 | } |
|
167 | if (!isset($classparams['allow_zerosized'])) { |
|
168 | $classparams['allow_zerosized'] = false; |
|
169 | } |
|
170 | if (!isset($classparams['duplicate'])) { |
|
171 | $classparams['duplicate'] = 'rename'; |
|
172 | } |
|
173 | if (!isset($classparams['dirperm'])) { |
|
174 | $classparams['dirperm'] = 0755; |
|
175 | } |
|
176 | if (!isset($classparams['fileperm'])) { |
|
177 | $classparams['fileperm'] = 0644; |
|
178 | } |
|
179 | if (!isset($classparams['destdir'])) { |
|
180 | if ('' != $obd) { |
|
181 | $classparams['destdir'] = $obd; |
|
182 | } else { |
|
183 | $classparams['destdir'] = '/var/tmp/jupload_test'; |
|
184 | } |
|
185 | } else { |
|
186 | $classparams['destdir'] = str_replace('~', ' ', $classparams['destdir']); |
|
187 | } |
|
188 | if ($classparams['create_destdir']) { |
|
189 | $_umask = umask(0); // override the system mask |
|
190 | @mkdir($classparams['destdir'], $classparams['dirperm']); |
|
191 | umask($_umask); |
|
192 | } |
|
193 | if (!is_dir($classparams['destdir']) && is_writable($classparams['destdir'])) { |
|
194 | $this->abort('Destination dir not accessible'); |
|
195 | } |
|
196 | if (!isset($classparams['tmp_prefix'])) { |
|
197 | $classparams['tmp_prefix'] = 'jutmp.'; |
|
198 | } |
|
199 | if (!isset($classparams['var_prefix'])) { |
|
200 | $classparams['var_prefix'] = 'juvar.'; |
|
201 | } |
|
202 | if (!isset($classparams['jscript_wrapper'])) { |
|
203 | $classparams['jscript_wrapper'] = 'JUploadSetProperty'; |
|
204 | } |
|
205 | if (!isset($classparams['tag_jscript'])) { |
|
206 | $classparams['tag_jscript'] = '<!--JUPLOAD_JSCRIPT-->'; |
|
207 | } |
|
208 | if (!isset($classparams['tag_applet'])) { |
|
209 | $classparams['tag_applet'] = '<!--JUPLOAD_APPLET-->'; |
|
210 | } |
|
211 | if (!isset($classparams['tag_flist'])) { |
|
212 | $classparams['tag_flist'] = '<!--JUPLOAD_FILES-->'; |
|
213 | } |
|
214 | if (!isset($classparams['http_flist_start'])) { |
|
215 | $classparams['http_flist_start'] = "<table border='1'><TR><TH>Filename</TH><TH>file size</TH><TH>Relative path</TH><TH>Full name</TH><TH>md5sum</TH><TH>Specific parameters</TH></TR>"; |
|
216 | } |
|
217 | if (!isset($classparams['http_flist_end'])) { |
|
218 | $classparams['http_flist_end'] = "</table>\n"; |
|
219 | } |
|
220 | if (!isset($classparams['http_flist_file_before'])) { |
|
221 | $classparams['http_flist_file_before'] = '<tr><td>'; |
|
222 | } |
|
223 | if (!isset($classparams['http_flist_file_between'])) { |
|
224 | $classparams['http_flist_file_between'] = '</td><td>'; |
|
225 | } |
|
226 | if (!isset($classparams['http_flist_file_after'])) { |
|
227 | $classparams['http_flist_file_after'] = "</td></tr>\n"; |
|
228 | } |
|
229 | ||
230 | $this->appletparams = $appletparams; |
|
231 | $this->classparams = $classparams; |
|
232 | $this->page_start(); |
|
233 | } |
|
234 | ||
235 | /** |
|
236 | * Return an array of uploaded files * The array contains: name, size, tmp_name, error, |
|
237 | * relativePath, md5sum, mimetype, fullName, path |
|
238 | */ |
|
239 | public function uploadedfiles() |
|
240 | { |
|
241 | return $this->files; |
|
242 | } |
|
243 | ||
244 | /** |
|
245 | * Log a message on the current output, as a HTML comment. |
|
246 | * @param $function |
|
247 | * @param $msg |
|
248 | * @param bool $htmlComment |
|
249 | */ |
|
250 | protected function logDebug($function, $msg, $htmlComment = true) |
|
251 | { |
|
252 | $output = "[DEBUG] [$function] $msg"; |
|
253 | if ($htmlComment) { |
|
254 | echo("<!-- $output -->\r\n"); |
|
255 | } else { |
|
256 | echo("$output\r\n"); |
|
257 | } |
|
258 | } |
|
259 | ||
260 | /** |
|
261 | * Log a message to the PHP log. |
|
262 | * Declared "protected" so it may be Extended if you require customised logging (e.g. particular log file location). |
|
263 | * @param $function |
|
264 | * @param $msg |
|
265 | */ |
|
266 | protected function logPHPDebug($function, $msg) |
|
267 | { |
|
268 | if (true === $this->classparams['debug_php']) { |
|
269 | $output = "[DEBUG] [$function] " . $this->arrayexpand($msg); |
|
270 | error_log($output); |
|
271 | } |
|
272 | } |
|
273 | ||
274 | private function arrayexpand($array) |
|
275 | { |
|
276 | $output = ''; |
|
277 | if (is_array($array)) { |
|
278 | foreach ($array as $key => $value) { |
|
279 | $output .= "\n " . $key . ' => ' . $this->arrayexpand($value); |
|
280 | } |
|
281 | } else { |
|
282 | $output .= $array; |
|
283 | } |
|
284 | ||
285 | return $output; |
|
286 | } |
|
287 | ||
288 | /** |
|
289 | * Convert a value ending in 'G','M' or 'K' to bytes |
|
290 | * @param $val |
|
291 | * @return int|string |
|
292 | */ |
|
293 | private function tobytes($val) |
|
294 | { |
|
295 | $val = trim($val); |
|
296 | $last = fix_strtolower($val{strlen($val) - 1}); |
|
297 | switch ($last) { |
|
298 | case 'g': |
|
299 | $val *= 1024; |
|
300 | case 'm': |
|
301 | $val *= 1024; |
|
302 | case 'k': |
|
303 | $val *= 1024; |
|
304 | } |
|
305 | ||
306 | return $val; |
|
307 | } |
|
308 | ||
309 | /** |
|
310 | * Build a string, containing a javascript wrapper function |
|
311 | * for setting applet properties via JavaScript. This is necessary, |
|
312 | * because we use the "modern" method of including the applet (using |
|
313 | * <object> resp. <embed> tags) in order to trigger automatic JRE downloading. |
|
314 | * Therefore, in Netscape-like browsers, the applet is accessible via |
|
315 | * the document.embeds[] array while in others, it is accessible via the |
|
316 | * document.applets[] array. |
|
317 | * |
|
318 | * @return A string, containing the necessary wrapper function (named JUploadSetProperty) |
|
319 | */ |
|
320 | private function str_jsinit() |
|
321 | { |
|
322 | $N = "\n"; |
|
323 | $name = $this->appletparams['name']; |
|
324 | $ret = '<script type="text/javascript">' . $N; |
|
325 | $ret .= '<!--' . $N; |
|
326 | $ret .= 'function ' . $this->classparams['jscript_wrapper'] . '(name, value) {' . $N; |
|
327 | $ret .= ' document.applets["' . $name . '"] == null || document.applets["' . $name . '"].setProperty(name,value);' . $N; |
|
328 | $ret .= ' document.embeds["' . $name . '"] == null || document.embeds["' . $name . '"].setProperty(name,value);' . $N; |
|
329 | $ret .= '}' . $N; |
|
330 | $ret .= '//-->' . $N; |
|
331 | $ret .= '</script>'; |
|
332 | ||
333 | return $ret; |
|
334 | } |
|
335 | ||
336 | /** |
|
337 | * Build a string, containing the applet tag with all parameters. |
|
338 | * |
|
339 | * @return A string, containing the applet tag |
|
340 | */ |
|
341 | private function str_applet() |
|
342 | { |
|
343 | $N = "\n"; |
|
344 | $params = $this->appletparams; |
|
345 | // return the actual applet tag |
|
346 | $ret = '<object classid = "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"' . $N; |
|
347 | $ret .= ' codebase = "http://java.sun.com/update/1.5.0/jinstall-1_5-windows-i586.cab#Version=5,0,0,3"' . $N; |
|
348 | $ret .= ' width = "' . $params['width'] . '"' . $N; |
|
349 | $ret .= ' height = "' . $params['height'] . '"' . $N; |
|
350 | $ret .= ' name = "' . $params['name'] . '">' . $N; |
|
351 | foreach ($params as $key => $val) { |
|
352 | if ('width' !== $key && 'height' !== $key) { |
|
353 | $ret .= ' <param name = "' . $key . '" value = "' . $val . '" />' . $N; |
|
354 | } |
|
355 | } |
|
356 | $ret .= ' <comment>' . $N; |
|
357 | $ret .= ' <embed' . $N; |
|
358 | $ret .= ' type = "application/x-java-applet;version=1.5"' . $N; |
|
359 | foreach ($params as $key => $val) { |
|
360 | $ret .= ' ' . $key . ' = "' . $val . '"' . $N; |
|
361 | } |
|
362 | $ret .= ' pluginspage = "http://java.sun.com/products/plugin/index.html#download">' . $N; |
|
363 | $ret .= ' <noembed>' . $N; |
|
364 | $ret .= ' Java 1.5 or higher plugin required.' . $N; |
|
365 | $ret .= ' </noembed>' . $N; |
|
366 | $ret .= ' </embed>' . $N; |
|
367 | $ret .= ' </comment>' . $N; |
|
368 | $ret .= '</object>'; |
|
369 | ||
370 | return $ret; |
|
371 | } |
|
372 | ||
373 | private function abort($msg = '') |
|
374 | { |
|
375 | $this->cleanup(); |
|
376 | if ('' != $msg) { |
|
377 | die(str_replace('(.*)', $msg, $this->appletparams['stringUploadError']) . "\n"); |
|
378 | } |
|
379 | exit; |
|
380 | } |
|
381 | ||
382 | private function warning($msg = '') |
|
383 | { |
|
384 | $this->cleanup(); |
|
385 | if ('' != $msg) { |
|
386 | echo('WARNING: ' . $msg . "\n"); |
|
387 | } |
|
388 | echo $this->appletparams['stringUploadSuccess'] . "\n"; |
|
389 | exit; |
|
390 | } |
|
391 | ||
392 | private function cleanup() |
|
393 | { |
|
394 | // remove all uploaded files of *this* request |
|
395 | if (isset($_FILES)) { |
|
396 | foreach ($_FILES as $key => $val) { |
|
397 | @unlink($val['tmp_name']); |
|
398 | } |
|
399 | } |
|
400 | // remove accumulated file, if any. |
|
401 | @unlink($this->classparams['destdir'] . '/' . $this->classparams['tmp_prefix'] . session_id()); |
|
402 | @unlink($this->classparams['destdir'] . '/' . $this->classparams['tmp_prefix'] . 'tmp' . session_id()); |
|
403 | // reset session var |
|
404 | $_SESSION[$this->classparams['var_prefix'] . 'size'] = 0; |
|
405 | ||
406 | return; |
|
407 | } |
|
408 | ||
409 | private function mkdirp($path) |
|
410 | { |
|
411 | // create subdir (hierary) below destdir; |
|
412 | $dirs = explode('/', $path); |
|
413 | $path = $this->classparams['destdir']; |
|
414 | foreach ($dirs as $dir) { |
|
415 | $path .= '/' . $dir; |
|
416 | if (!file_exists($path)) { // @ does NOT always supress the error! |
|
417 | $_umask = umask(0); // override the system mask |
|
418 | @mkdir($path, $this->classparams['dirperm']); |
|
419 | umask($_umask); |
|
420 | } |
|
421 | } |
|
422 | if (!is_dir($path) && is_writable($path)) { |
|
423 | $this->abort('Destination dir not accessible'); |
|
424 | } |
|
425 | } |
|
426 | ||
427 | /** |
|
428 | * This method: |
|
429 | * - Replaces some potentially dangerous characters by '_' (in the given name an relative path) |
|
430 | * - Checks if a files of the same name already exists. |
|
431 | * - If no: no problem. |
|
432 | * - If yes, and the duplicate class param is set to rename, the file is renamed. |
|
433 | * - If yes, and the duplicate class param is set to overwrite, the file is not renamed. The existing one will be erased. |
|
434 | * - If yes, and the duplicate class param is set to reject, an error is thrown. |
|
435 | * @param $name |
|
436 | * @param $subdir |
|
437 | * @return string |
|
438 | */ |
|
439 | private function dstfinal(&$name, &$subdir) |
|
440 | { |
|
441 | $name = preg_replace('![`$\\\\/|]!', '_', $name); |
|
442 | if ($this->classparams['allow_subdirs'] && ('' != $subdir)) { |
|
443 | $subdir = trim(preg_replace('!\\\\!', '/', $subdir), '/'); |
|
444 | $subdir = preg_replace('![`$|]!', '_', $subdir); |
|
445 | if (!$this->classparams['spaces_in_subdirs']) { |
|
446 | $subdir = str_replace(' ', '_', $subdir); |
|
447 | } |
|
448 | // recursively create subdir |
|
449 | if (!$this->classparams['demo_mode']) { |
|
450 | $this->mkdirp($subdir); |
|
451 | } |
|
452 | // append a slash |
|
453 | $subdir .= '/'; |
|
454 | } else { |
|
455 | $subdir = ''; |
|
456 | } |
|
457 | $ret = $this->classparams['destdir'] . '/' . $subdir . $name; |
|
458 | if (file_exists($ret)) { |
|
459 | if ('overwrite' === $this->classparams['duplicate']) { |
|
460 | return $ret; |
|
461 | } |
|
462 | if ('reject' === $this->classparams['duplicate']) { |
|
463 | $this->abort('A file with the same name already exists'); |
|
464 | } |
|
465 | if ('warning' === $this->classparams['duplicate']) { |
|
466 | $this->warning("File $name already exists - rejected"); |
|
467 | } |
|
468 | if ('rename' === $this->classparams['duplicate']) { |
|
469 | $cnt = 1; |
|
470 | $dir = $this->classparams['destdir'] . '/' . $subdir; |
|
471 | $ext = strrchr($name, '.'); |
|
472 | if ($ext) { |
|
473 | $nameWithoutExtension = substr($name, 0, strlen($name) - strlen($ext)); |
|
474 | } else { |
|
475 | $ext = ''; |
|
476 | $nameWithoutExtension = $name; |
|
477 | } |
|
478 | ||
479 | $rtry = $dir . $nameWithoutExtension . '_' . $cnt . $ext; |
|
480 | while (file_exists($rtry)) { |
|
481 | ++$cnt; |
|
482 | $rtry = $dir . $nameWithoutExtension . '._' . $cnt . $ext; |
|
483 | } |
|
484 | //We store the result name in the byReference name parameter. |
|
485 | $name = $nameWithoutExtension . '_' . $cnt . $ext; |
|
486 | $ret = $rtry; |
|
487 | } |
|
488 | } |
|
489 | ||
490 | return $ret; |
|
491 | } |
|
492 | ||
493 | /** |
|
494 | * Example function to process the files uploaded. This one simply displays the files' data. |
|
495 | * |
|
496 | */ |
|
497 | public function defaultAfterUploadManagement() |
|
498 | { |
|
499 | $flist = '[defaultAfterUploadManagement] Nb uploaded files is: ' . count($this->files); |
|
500 | $flist = $this->classparams['http_flist_start']; |
|
501 | foreach ($this->files as $f) { |
|
502 | //$f is an array, that contains all info about the uploaded file. |
|
503 | $this->logDebug('defaultAfterUploadManagement', " Reading file ${f['name']}"); |
|
504 | $flist .= $this->classparams['http_flist_file_before']; |
|
505 | $flist .= $f['name']; |
|
506 | $flist .= $this->classparams['http_flist_file_between']; |
|
507 | $flist .= $f['size']; |
|
508 | $flist .= $this->classparams['http_flist_file_between']; |
|
509 | $flist .= $f['relativePath']; |
|
510 | $flist .= $this->classparams['http_flist_file_between']; |
|
511 | $flist .= $f['fullName']; |
|
512 | $flist .= $this->classparams['http_flist_file_between']; |
|
513 | $flist .= $f['md5sum']; |
|
514 | $addBR = false; |
|
515 | foreach ($f as $key => $value) { |
|
516 | //If it's a specific key, let's display it: |
|
517 | if ('name' !== $key && 'size' !== $key && 'relativePath' !== $key && 'fullName' !== $key && 'md5sum' !== $key) { |
|
518 | if ($addBR) { |
|
519 | $flist .= '<br>'; |
|
520 | } else { |
|
521 | // First line. We must add a new 'official' list separator. |
|
522 | $flist .= $this->classparams['http_flist_file_between']; |
|
523 | $addBR = true; |
|
524 | } |
|
525 | $flist .= "$key => $value"; |
|
526 | } |
|
527 | } |
|
528 | $flist .= $this->classparams['http_flist_file_after']; |
|
529 | } |
|
530 | $flist .= $this->classparams['http_flist_end']; |
|
531 | ||
532 | return $flist; |
|
533 | } |
|
534 | ||
535 | /** |
|
536 | * Generation of the applet tag, and necessary things around (js content). Insertion of this into the content of the |
|
537 | * page. |
|
538 | * See the tag_jscript and tag_applet class parameters. |
|
539 | * @param $str |
|
540 | * @return string|string[]|null |
|
541 | */ |
|
542 | private function generateAppletTag($str) |
|
543 | { |
|
544 | $this->logDebug('generateAppletTag', 'Entering function'); |
|
545 | $str = preg_replace('/' . $this->classparams['tag_jscript'] . '/', $this->str_jsinit(), $str); |
|
546 | ||
547 | return preg_replace('/' . $this->classparams['tag_applet'] . '/', $this->str_applet(), $str); |
|
548 | } |
|
549 | ||
550 | /** |
|
551 | * This function is called when constructing the page, when we're not reveiving uploaded files. It 'just' construct |
|
552 | * the applet tag, by calling the relevant function. |
|
553 | * |
|
554 | * This *must* be public, because it is called from PHP's output buffering |
|
555 | * @param $str |
|
556 | * @return string|string[]|null |
|
557 | */ |
|
558 | public function interceptBeforeUpload($str) |
|
559 | { |
|
560 | $this->logDebug('interceptBeforeUpload', 'Entering function'); |
|
561 | ||
562 | return $this->generateAppletTag($str); |
|
563 | } |
|
564 | ||
565 | /** |
|
566 | * This function displays the uploaded files description in the current page (see tag_flist class parameter) |
|
567 | * |
|
568 | * This *must* be public, because it is called from PHP's output buffering. |
|
569 | * @param $str |
|
570 | * @return string|string[]|null |
|
571 | */ |
|
572 | public function interceptAfterUpload($str) |
|
573 | { |
|
574 | $this->logDebug('interceptAfterUpload', 'Entering function'); |
|
575 | $this->logPHPDebug('interceptAfterUpload', $this->files); |
|
576 | ||
577 | if (count($this->files) > 0) { |
|
578 | if (isset($this->classparams['callbackAfterUploadManagement'])) { |
|
579 | $this->logDebug('interceptAfterUpload', 'Before call of ' . $this->classparams['callbackAfterUploadManagement']); |
|
580 | $strForFListContent = call_user_func($this->classparams['callbackAfterUploadManagement'], $this, $this->files); |
|
581 | } else { |
|
582 | $strForFListContent = $this->defaultAfterUploadManagement(); |
|
583 | } |
|
584 | $str = preg_replace('/' . $this->classparams['tag_flist'] . '/', $strForFListContent, $str); |
|
585 | } |
|
586 | ||
587 | return $this->generateAppletTag($str); |
|
588 | } |
|
589 | ||
590 | /** |
|
591 | * This method manages the receiving of the debug log, when an error occurs. |
|
592 | */ |
|
593 | private function receive_debug_log() |
|
594 | { |
|
595 | // handle error report |
|
596 | if (isset($_POST['description']) && isset($_POST['log'])) { |
|
597 | $msg = $_POST['log']; |
|
598 | mail($this->classparams['errormail'], $_POST['description'], $msg); |
|
599 | } else { |
|
600 | if (isset($_SERVER['SERVER_ADMIN'])) { |
|
601 | mail( |
|
602 | $_SERVER['SERVER_ADMIN'], |
|
603 | 'Empty jupload error log', |
|
604 | 'An empty log has just been posted.' |
|
605 | ); |
|
606 | } |
|
607 | $this->logPHPDebug('receive_debug_log', 'Empty error log received'); |
|
608 | } |
|
609 | exit; |
|
610 | } |
|
611 | ||
612 | /** |
|
613 | * This method is the heart of the system. It manage the files sent by the applet, check the incoming parameters (md5sum) and |
|
614 | * reconstruct the files sent in chunk mode. |
|
615 | * |
|
616 | * The result is stored in the $files array, and can then be managed by the function given in the callbackAfterUploadManagement |
|
617 | * class parameter, or within the page whose URL is given in the afterUploadURL applet parameter. |
|
618 | * Or you can Extend the class and redeclare defaultAfterUploadManagement() to your needs. |
|
619 | */ |
|
620 | private function receive_uploaded_files() |
|
621 | { |
|
622 | $this->logDebug('receive_uploaded_files', 'Entering POST management'); |
|
623 | ||
624 | if ('' == session_id()) { |
|
625 | session_start(); |
|
626 | } |
|
627 | // we check for the session *after* handling possible error log |
|
628 | // because an error could have happened because the session-id is missing. |
|
629 | if (!isset($_SESSION[$this->classparams['var_prefix'] . 'size'])) { |
|
630 | $this->abort('Invalid session (in afterupload, POST, check of size)'); |
|
631 | } |
|
632 | if (!isset($_SESSION[$this->classparams['var_prefix'] . 'files'])) { |
|
633 | $this->abort('Invalid session (in afterupload, POST, check of files)'); |
|
634 | } |
|
635 | $this->files = $_SESSION[$this->classparams['var_prefix'] . 'files']; |
|
636 | if (!is_array($this->files)) { |
|
637 | $this->abort('Invalid session (in afterupload, POST, is_array(files))'); |
|
638 | } |
|
639 | if ('true' === $this->appletparams['sendMD5Sum'] && !isset($_POST['md5sum'])) { |
|
640 | $this->abort('Required POST variable md5sum is missing'); |
|
641 | } |
|
642 | $cnt = 0; |
|
643 | foreach ($_FILES as $key => $value) { |
|
644 | //Let's read the $_FILES data |
|
645 | if (isset($files_data)) { |
|
646 | unset($files_data); |
|
647 | } |
|
648 | $jupart = (isset($_POST['jupart'])) ? (int)$_POST['jupart'] : 0; |
|
649 | $jufinal = (isset($_POST['jufinal'])) ? (int)$_POST['jufinal'] : 1; |
|
650 | $relpaths = (isset($_POST['relpathinfo'])) ? $_POST['relpathinfo'] : null; |
|
651 | $md5sums = (isset($_POST['md5sum'])) ? $_POST['md5sum'] : null; |
|
652 | $mimetypes = (isset($_POST['mimetype'])) ? $_POST['mimetype'] : null; |
|
653 | //$relpaths = (isset($_POST["relpathinfo$cnt"])) ? $_POST["relpathinfo$cnt"] : null; |
|
654 | //$md5sums = (isset($_POST["md5sum$cnt"])) ? $_POST["md5sum$cnt"] : null; |
|
655 | ||
656 | if ('string' === gettype($relpaths)) { |
|
657 | $relpaths = [$relpaths]; |
|
658 | } |
|
659 | if ('string' === gettype($md5sums)) { |
|
660 | $md5sums = [$md5sums]; |
|
661 | } |
|
662 | if ('true' === $this->appletparams['sendMD5Sum'] && !is_array($md5sums)) { |
|
663 | $this->abort('Expecting an array of MD5 checksums'); |
|
664 | } |
|
665 | if (!is_array($relpaths)) { |
|
666 | $this->abort('Expecting an array of relative paths'); |
|
667 | } |
|
668 | if (!is_array($mimetypes)) { |
|
669 | $this->abort('Expecting an array of MIME types'); |
|
670 | } |
|
671 | // Check the MIME type (note: this is easily forged!) |
|
672 | if (isset($this->classparams['allowed_mime_types']) && is_array($this->classparams['allowed_mime_types'])) { |
|
673 | if (!in_array($mimetypes[$cnt], $this->classparams['allowed_mime_types'])) { |
|
674 | $this->abort('MIME type ' . $mimetypes[$cnt] . ' not allowed'); |
|
675 | } |
|
676 | } |
|
677 | if (isset($this->classparams['allowed_file_extensions']) && is_array($this->classparams['allowed_file_extensions'])) { |
|
678 | $fileExtension = substr(strrchr($value['name'][$cnt], '.'), 1); |
|
679 | if (!in_array($fileExtension, $this->classparams['allowed_file_extensions'])) { |
|
680 | $this->abort('File extension ' . $fileExtension . ' not allowed'); |
|
681 | } |
|
682 | } |
|
683 | ||
684 | $dstdir = $this->classparams['destdir']; |
|
685 | $dstname = $dstdir . '/' . $this->classparams['tmp_prefix'] . session_id(); |
|
686 | $tmpname = $dstdir . '/' . $this->classparams['tmp_prefix'] . 'tmp' . session_id(); |
|
687 | ||
688 | // Controls are now done. Let's store the current uploaded files properties in an array, for future use. |
|
689 | $files_data['name'] = $value['name'][$cnt]; |
|
690 | $files_data['size'] = 'not calculated yet'; |
|
691 | $files_data['tmp_name'] = $value['tmp_name'][$cnt]; |
|
692 | $files_data['error'] = $value['error'][$cnt]; |
|
693 | $files_data['relativePath'] = $relpaths[$cnt]; |
|
694 | $files_data['md5sum'] = $md5sums[$cnt]; |
|
695 | $files_data['mimetype'] = $mimetypes[$cnt]; |
|
696 | ||
697 | if (!move_uploaded_file($files_data['tmp_name'], $tmpname)) { |
|
698 | if ($classparams['verbose_errors']) { |
|
699 | $this->abort("Unable to move uploaded file (from ${files_data['tmp_name']} to $tmpname)"); |
|
700 | } else { |
|
701 | trigger_error("Unable to move uploaded file (from ${files_data['tmp_name']} to $tmpname)", E_USER_WARNING); |
|
702 | $this->abort('Unable to move uploaded file'); |
|
703 | } |
|
704 | } |
|
705 | ||
706 | // In demo mode, no file storing is done. We just delete the newly uploaded file. |
|
707 | if ($this->classparams['demo_mode']) { |
|
708 | if ($jufinal || (!$jupart)) { |
|
709 | if ($jupart) { |
|
710 | $files_data['size'] = ($jupart - 1) * $this->appletparams['maxChunkSize'] + filesize($tmpname); |
|
711 | } else { |
|
712 | $files_data['size'] = filesize($tmpname); |
|
713 | } |
|
714 | $files_data['fullName'] = 'Demo mode<BR>No file storing'; |
|
715 | array_push($this->files, $files_data); |
|
716 | } |
|
717 | unlink($tmpname); |
|
718 | ++$cnt; |
|
719 | continue; |
|
720 | } |
|
721 | //If we get here, the upload is a real one (no demo) |
|
722 | if ($jupart) { |
|
723 | // got a chunk of a multi-part upload |
|
724 | $len = filesize($tmpname); |
|
725 | $_SESSION[$this->classparams['var_prefix'] . 'size'] += $len; |
|
726 | if ($len > 0) { |
|
727 | $src = fopen($tmpname, 'rb'); |
|
728 | $dst = fopen($dstname, (1 == $jupart) ? 'wb' : 'ab'); |
|
729 | while ($len > 0) { |
|
730 | $rlen = ($len > 8192) ? 8192 : $len; |
|
731 | $buf = fread($src, $rlen); |
|
732 | if (!$buf) { |
|
733 | fclose($src); |
|
734 | fclose($dst); |
|
735 | unlink($dstname); |
|
736 | $this->abort('read IO error'); |
|
737 | } |
|
738 | if (!fwrite($dst, $buf, $rlen)) { |
|
739 | fclose($src); |
|
740 | fclose($dst); |
|
741 | unlink($dstname); |
|
742 | $this->abort('write IO error'); |
|
743 | } |
|
744 | $len -= $rlen; |
|
745 | } |
|
746 | fclose($src); |
|
747 | fclose($dst); |
|
748 | unlink($tmpname); |
|
749 | } |
|
750 | if ($jufinal) { |
|
751 | // This is the last chunk. Check total lenght and |
|
752 | // rename it to it's final name. |
|
753 | $dlen = filesize($dstname); |
|
754 | if ($dlen != $_SESSION[$this->classparams['var_prefix'] . 'size']) { |
|
755 | $this->abort('file size mismatch'); |
|
756 | } |
|
757 | if ('true' === $this->appletparams['sendMD5Sum']) { |
|
758 | if ($md5sums[$cnt] != md5_file($dstname)) { |
|
759 | $this->abort('MD5 checksum mismatch'); |
|
760 | } |
|
761 | } |
|
762 | // remove zero sized files |
|
763 | if (($dlen > 0) || $this->classparams['allow_zerosized']) { |
|
764 | $dstfinal = $this->dstfinal($files_data['name'], $files_data['relativePath']); |
|
765 | if (!rename($dstname, $dstfinal)) { |
|
766 | $this->abort('rename IO error'); |
|
767 | } |
|
768 | $_umask = umask(0); // override the system mask |
|
769 | if (!chmod($dstfinal, $this->classparams['fileperm'])) { |
|
770 | $this->abort('chmod IO error'); |
|
771 | } |
|
772 | umask($_umask); |
|
773 | $files_data['size'] = filesize($dstfinal); |
|
774 | $files_data['fullName'] = $dstfinal; |
|
775 | $files_data['path'] = fix_dirname($dstfinal); |
|
776 | array_push($this->files, $files_data); |
|
777 | } else { |
|
778 | unlink($dstname); |
|
779 | } |
|
780 | // reset session var |
|
781 | $_SESSION[$this->classparams['var_prefix'] . 'size'] = 0; |
|
782 | } |
|
783 | } else { |
|
784 | // Got a single file upload. Trivial. |
|
785 | if ('true' === $this->appletparams['sendMD5Sum']) { |
|
786 | if ($md5sums[$cnt] != md5_file($tmpname)) { |
|
787 | $this->abort('MD5 checksum mismatch'); |
|
788 | } |
|
789 | } |
|
790 | $dstfinal = $this->dstfinal($files_data['name'], $files_data['relativePath']); |
|
791 | if (!rename($tmpname, $dstfinal)) { |
|
792 | $this->abort('rename IO error'); |
|
793 | } |
|
794 | $_umask = umask(0); // override the system mask |
|
795 | if (!chmod($dstfinal, $this->classparams['fileperm'])) { |
|
796 | $this->abort('chmod IO error'); |
|
797 | } |
|
798 | umask($_umask); |
|
799 | $files_data['size'] = filesize($dstfinal); |
|
800 | $files_data['fullName'] = $dstfinal; |
|
801 | $files_data['path'] = fix_dirname($dstfinal); |
|
802 | array_push($this->files, $files_data); |
|
803 | } |
|
804 | ++$cnt; |
|
805 | } |
|
806 | ||
807 | echo $this->appletparams['stringUploadSuccess'] . "\n"; |
|
808 | $_SESSION[$this->classparams['var_prefix'] . 'files'] = $this->files; |
|
809 | session_write_close(); |
|
810 | exit; |
|
811 | } |
|
812 | ||
813 | /** |
|
814 | * |
|
815 | * |
|
816 | */ |
|
817 | private function page_start() |
|
818 | { |
|
819 | $this->logDebug('page_start', 'Entering function'); |
|
820 | ||
821 | // If the applet checks for the serverProtocol, it issues a HEAD request |
|
822 | // -> Simply return an empty doc. |
|
823 | if ('HEAD' === $_SERVER['REQUEST_METHOD']) { |
|
824 | // Nothing to do |
|
825 | ||
826 | } elseif ('GET' === $_SERVER['REQUEST_METHOD']) { |
|
827 | // A GET request means: return upload page |
|
828 | $this->logDebug('page_start', 'Entering GET management'); |
|
829 | ||
830 | if ('' == session_id()) { |
|
831 | session_start(); |
|
832 | } |
|
833 | if (isset($_GET['afterupload'])) { |
|
834 | $this->logDebug('page_start', 'afterupload is set'); |
|
835 | if (!isset($_SESSION[$this->classparams['var_prefix'] . 'files'])) { |
|
836 | $this->abort('Invalid session (in afterupload, GET, check of $_SESSION): files array is not set'); |
|
837 | } |
|
838 | $this->files = $_SESSION[$this->classparams['var_prefix'] . 'files']; |
|
839 | if (!is_array($this->files)) { |
|
840 | $this->abort('Invalid session (in afterupload, GET, check of is_array(files)): files is not an array'); |
|
841 | } |
|
842 | // clear session data ready for new upload |
|
843 | $_SESSION[$this->classparams['var_prefix'] . 'files'] = []; |
|
844 | ||
845 | // start intercepting the content of the calling page, to display the upload result. |
|
846 | ob_start([& $this, 'interceptAfterUpload']); |
|
847 | } else { |
|
848 | $this->logDebug('page_start', 'afterupload is not set'); |
|
849 | if ($this->classparams['session_regenerate']) { |
|
850 | session_regenerate_id(true); |
|
851 | } |
|
852 | $this->files = []; |
|
853 | $_SESSION[$this->classparams['var_prefix'] . 'size'] = 0; |
|
854 | $_SESSION[$this->classparams['var_prefix'] . 'files'] = $this->files; |
|
855 | // start intercepting the content of the calling page, to display the applet tag. |
|
856 | ob_start([& $this, 'interceptBeforeUpload']); |
|
857 | } |
|
858 | } elseif ('POST' === $_SERVER['REQUEST_METHOD']) { |
|
859 | // If we got a POST request, this is the real work. |
|
860 | if (isset($_GET['errormail'])) { |
|
861 | //Hum, an error occurs on server side. Let's manage the debug log, that we just received. |
|
862 | $this->receive_debug_log(); |
|
863 | } else { |
|
864 | $this->receive_uploaded_files(); |
|
865 | } |
|
866 | } |
|
867 | } |
|
868 | } |
|
869 | ||
870 | // PHP end tag omitted intentionally!! |
|
871 |