Annotation of loncom/publisher/lonupload.pm, revision 1.57
1.12 foxr 1:
1.1 www 2: # The LearningOnline Network with CAPA
3: # Handler to upload files into construction space
4: #
1.57 ! raeburn 5: # $Id: lonupload.pm,v 1.56 2011/10/31 01:28:47 raeburn Exp $
1.8 matthew 6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
1.10 harris41 29: ###
1.1 www 30:
1.39 jms 31: =head1 NAME
32:
33: Apache::lonupload - upload files into construction space
34:
35: =head1 SYNOPSIS
36:
37: Invoked by /etc/httpd/conf/srm.conf:
38:
39: <Location /adm/upload>
40: PerlAccessHandler Apache::lonacc
41: SetHandler perl-script
42: PerlHandler Apache::lonupload
43: ErrorDocument 403 /adm/login
44: ErrorDocument 404 /adm/notfound.html
45: ErrorDocument 406 /adm/unauthorized.html
46: ErrorDocument 500 /adm/errorhandler
47: </Location>
48:
49: =head1 INTRODUCTION
50:
51: This module uploads a file sitting on a client computer into
52: library server construction space.
53:
54: This is part of the LearningOnline Network with CAPA project
55: described at http://www.lon-capa.org.
56:
57: =head1 HANDLER SUBROUTINE
58:
59: This routine is called by Apache and mod_perl.
60:
61: =over 4
62:
63: =item *
64:
65: Initialize variables
66:
67: =item *
68:
69: Start page output
70:
71: =item *
72:
1.51 raeburn 73: output relevant interface phase (phaseone, phasetwo, phasethree or phasefour)
1.39 jms 74:
75: =item *
76:
77: (phase one is to specify upload file; phase two is to handle conditions
78: subsequent to specification--like overwriting an existing file; phase three
79: is to handle processing of secondary uploads - of embedded objects in an
80: html file).
81:
82: =back
83:
84: =head1 OTHER SUBROUTINES
85:
1.40 jms 86: =over
1.39 jms 87:
1.40 jms 88: =item phaseone()
1.39 jms 89:
1.40 jms 90: Interface for specifying file to upload.
1.39 jms 91:
1.40 jms 92: =item phasetwo()
1.39 jms 93:
1.40 jms 94: Interface for handling post-conditions about uploading (such
1.39 jms 95: as overwriting an existing file).
96:
1.40 jms 97: =item phasethree()
1.39 jms 98:
1.40 jms 99: Interface for handling secondary uploads of embedded objects
1.39 jms 100: in an html file.
101:
1.51 raeburn 102: =item phasefour()
103:
104: Interface for handling optional renaming of links to embedded
105: objects.
106:
1.40 jms 107: =item upfile_store()
1.39 jms 108:
1.40 jms 109: Store contents of uploaded file into temporary space. Invoked
1.39 jms 110: by phaseone subroutine.
111:
1.40 jms 112: =item check_extension()
1.39 jms 113:
1.40 jms 114: Checks if filename extension is permitted and checks type
1.39 jms 115: of file - if html file, calls parser to check for embedded objects.
116: Invoked by phasetwo subroutine.
117:
118: =back
119:
120: =cut
121:
1.1 www 122: package Apache::lonupload;
123:
124: use strict;
125: use Apache::File;
126: use File::Copy;
1.13 foxr 127: use File::Basename;
1.1 www 128: use Apache::Constants qw(:common :http :methods);
1.3 www 129: use Apache::loncacc;
1.10 harris41 130: use Apache::loncommon();
1.13 foxr 131: use Apache::lonnet;
1.14 foxr 132: use HTML::Entities();
1.20 www 133: use Apache::lonlocal;
1.29 albertel 134: use Apache::lonnet;
1.34 albertel 135: use LONCAPA();
1.12 foxr 136:
137: my $DEBUG=0;
138:
139: sub Debug {
1.30 albertel 140: # Put out the indicated message but only if DEBUG is true.
1.22 albertel 141: if ($DEBUG) {
1.30 albertel 142: my ($r,$message) = @_;
143: $r->log_reason($message);
1.22 albertel 144: }
1.12 foxr 145: }
1.1 www 146:
1.2 www 147: sub upfile_store {
148: my $r=shift;
149:
1.29 albertel 150: my $fname=$env{'form.upfile.filename'};
1.2 www 151: $fname=~s/\W//g;
152:
1.29 albertel 153: chomp($env{'form.upfile'});
1.1 www 154:
1.29 albertel 155: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
1.2 www 156: '_upload_'.$fname.'_'.time.'_'.$$;
157: {
158: my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').
159: '/tmp/'.$datatoken.'.tmp');
1.29 albertel 160: print $fh $env{'form.upfile'};
1.1 www 161: }
1.2 www 162: return $datatoken;
163: }
164:
165: sub phaseone {
1.25 raeburn 166: my ($r,$fn,$uname,$udom,$mode)=@_;
167: my $action = '/adm/upload';
168: if ($mode eq 'testbank') {
169: $action = '/adm/testbank';
170: } elsif ($mode eq 'imsimport') {
171: $action = '/adm/imsimport';
172: }
1.49 bisitz 173:
174: # Check for file to be uploaded
1.29 albertel 175: $env{'form.upfile.filename'}=~s/\\/\//g;
176: $env{'form.upfile.filename'}=~s/^.*\/([^\/]+)$/$1/;
1.49 bisitz 177: if (!$env{'form.upfile.filename'}) {
178: $r->print('<p class="LC_warning">'.&mt('No upload file specified.').'</p>');
179: return;
180: }
181:
1.55 www 182: # Append the name of the uploaded file
1.49 bisitz 183: $fn.=$env{'form.upfile.filename'};
184: $fn=~s/(\/)+/\//g;
185:
186: # Check for illegal filename
187: &Debug($r, "Filename for upload: $fn");
188: if (!(($fn) && ($fn!~/\/$/))) {
189: $r->print('<p class="LC_warning">'.&mt('Illegal filename.').'</p>');
190: return;
191: }
1.55 www 192: # Split part that I can change from the part that I cannot change
193: my ($fn1,$fn2)=($fn=~/^(\/priv\/[^\/]+\/[^\/]+\/)(.*)$/);
1.49 bisitz 194: # Display additional options for upload
195: # and upload button
196: $r->print(
197: '<form action="'.$action.'" method="post" name="fileupload">'
198: .'<input type="hidden" name="phase" value="two" />'
199: .'<input type="hidden" name="datatoken" value="'.&upfile_store.'" />'
200: );
201: $r->print(
202: &Apache::lonhtmlcommon::start_pick_box()
203: .&Apache::lonhtmlcommon::row_title(&mt('Save uploaded file as'))
1.55 www 204: .'<span class="LC_filename">'.$fn1.'</span>'
205: .'<input type="hidden" name="filename1" value="'.$fn1.'" />'
206: .'<input type="text" size="50" name="filename2" value="'.$fn2.'" />'
1.49 bisitz 207: .&Apache::lonhtmlcommon::row_closure()
208: .&Apache::lonhtmlcommon::row_title(&mt('File Type'))
209: .'<select name="filetype">'
210: .'<option value="standard" selected="selected">'.&mt('Regular file').'</option>'
211: .'<option value="testbank">'.&mt('Testbank file').'</option>'
212: .'<option value="imsimport">'.&mt('IMS package').'</option>'
213: .'</select>'.&Apache::loncommon::help_open_topic("Uploading_File_Options")
214: .&Apache::lonhtmlcommon::row_closure(1)
215: .&Apache::lonhtmlcommon::end_pick_box()
216: );
217: $r->print(
218: '<p>'
219: .'<input type="button" value="'.&mt('Upload').'" onclick="javascript:verifyForm()"/>'
220: .'</p>'
221: .'</form>'
222: );
1.13 foxr 223:
1.49 bisitz 224: # Check for bad extension and warn user
225: if ($fn=~/\.(\w+)$/ &&
226: (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
1.41 bisitz 227: $r->print('<p class="LC_error">'
1.49 bisitz 228: .&mt('The extension on this file, [_1], is reserved internally by LON-CAPA.',
229: '<span class="LC_filename">'.$1.'</span>')
1.41 bisitz 230: .' <br />'.&mt('Please change the extension.')
231: .'</p>');
1.49 bisitz 232: } elsif($fn=~/\.(\w+)$/ &&
233: !defined(&Apache::loncommon::fileembstyle($1))) {
1.41 bisitz 234: $r->print('<p class="LC_error">'
1.49 bisitz 235: .&mt('The extension on this file, [_1], is not recognized by LON-CAPA.',
236: '<span class="LC_filename">'.$1.'</span>')
1.41 bisitz 237: .' <br />'.&mt('Please change the extension.')
238: .'</p>');
1.22 albertel 239: }
1.1 www 240: }
241:
242: sub phasetwo {
1.55 www 243: my ($r,$fn,$uname,$udom,$mode)=@_;
244:
1.37 raeburn 245: my $output;
1.25 raeburn 246: my $action = '/adm/upload';
247: my $returnflag = '';
248: if ($mode eq 'testbank') {
249: $action = '/adm/testbank';
250: } elsif ($mode eq 'imsimport') {
251: $action = '/adm/imsimport';
252: }
1.22 albertel 253: $fn=~s/\/+/\//g;
1.55 www 254: if ($fn) {
255: my $target='/home/httpd/html/'.$fn;
1.22 albertel 256: &Debug($r, "target -> ".$target);
1.13 foxr 257: # target is the full filesystem path of the destination file.
1.22 albertel 258: my $base = &File::Basename::basename($fn);
259: my $path = &File::Basename::dirname($fn);
1.26 albertel 260: $base = &HTML::Entities::encode($base,'<>&"');
1.22 albertel 261: my $url = $path."/".$base;
262: &Debug($r, "URL is now ".$url);
1.29 albertel 263: my $datatoken=$env{'form.datatoken'};
1.22 albertel 264: if (($fn) && ($datatoken)) {
1.36 www 265: if ($env{'form.cancel'}) {
266: my $source=$r->dir_config('lonDaemons').'/tmp/'.$datatoken.'.tmp';
267: my $dirpath=$path.'/';
268: $dirpath=~s/\/+/\//g;
1.49 bisitz 269: $output .= '<p class="LC_warning">'.&mt('Upload cancelled.').'</p>'
270: .'<p><a href="'.$dirpath.'">'.
271: &mt('Back to Directory').'</a></p>';
272: } elsif ((-e $target) && (!$env{'form.override'})) {
273: $output .= '<form action="'.$action.'" method="post">'
274: .'<p class="LC_warning">'
275: .&mt('File [_1] already exists.',
276: '<span class="LC_filename">'.$fn.'</span>')
277: .'<input type="hidden" name="phase" value="two" />'
278: .'<input type="hidden" name="filename" value="'.$url.'" />'
279: .'<input type="hidden" name="datatoken" value="'.$datatoken.'" />'
280: .'<p>'
281: .'<input type="submit" name="cancel" value="'.&mt('Cancel').'" />'
282: .' <input type="submit" name="override" value="'.&mt('Overwrite').'" />'
283: .'</p>'
284: .'</form>';
1.36 www 285: } else {
1.22 albertel 286: my $source=$r->dir_config('lonDaemons').'/tmp/'.$datatoken.'.tmp';
1.27 www 287: my $dirpath=$path.'/';
288: $dirpath=~s/\/+/\//g;
1.22 albertel 289: # Check for bad extension and disallow upload
1.37 raeburn 290: my $result;
291: ($result,$returnflag) = &check_extension($fn,$mode,$source,$target,$action,$dirpath,$url);
292: $output .= $result;
1.22 albertel 293: }
294: } else {
1.37 raeburn 295: $output .= '<span class="LC_error">'.
1.22 albertel 296: &mt('Please use browser "Back" button and pick a filename').
1.37 raeburn 297: '</span><br />';
1.22 albertel 298: }
1.1 www 299: } else {
1.37 raeburn 300: $output .= '<span class="LC_error">'.
301: &mt('Please use browser "Back" button and pick a filename').
302: '</span><br />';
303: }
304: return ($output,$returnflag);
305: }
306:
307: sub check_extension {
308: my ($fn,$mode,$source,$target,$action,$dirpath,$url) = @_;
309: my ($result,$returnflag);
310: # Check for bad extension and disallow upload
311: if ($fn=~/\.(\w+)$/ &&
312: (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
1.49 bisitz 313: $result .= '<p class="LC_warning">'.
314: &mt('File [_1] could not be copied.',
315: '<span class="LC_filename">'.$fn.'</span> ').
316: '<br />'.
317: &mt('The extension on this file is reserved internally by LON-CAPA.').
318: '</p>';
1.37 raeburn 319: } elsif ($fn=~/\.(\w+)$/ &&
320: !defined(&Apache::loncommon::fileembstyle($1))) {
1.49 bisitz 321: $result .= '<p class="LC_warning">'.
322: &mt('File [_1] could not be copied.',
323: '<span class="LC_filename">'.$fn.'</span> ').
324: '<br />'.
325: &mt('The extension on this file is not recognized by LON-CAPA.').
326: '</p>';
1.37 raeburn 327: } elsif (-d $target) {
1.49 bisitz 328: $result .= '<p class="LC_warning">'.
329: &mt('File [_1] could not be copied.',
330: '<span class="LC_filename">'.$fn.'</span>').
331: '<br />'.
332: &mt('The target is an existing directory.').
333: '</p>';
1.37 raeburn 334: } elsif (copy($source,$target)) {
335: chmod(0660, $target); # Set permissions to rw-rw---.
336: if ($mode eq 'testbank' || $mode eq 'imsimport') {
337: $returnflag = 'ok';
1.49 bisitz 338: $result .= '<p class="LC_success">'
339: .&mt('Your file - [_1] - was uploaded successfully.',
340: '<span class="LC_filename">'.$fn.'<span>')
341: .'</p>';
1.37 raeburn 342: } else {
1.49 bisitz 343: $result .= '<p class="LC_success">'
344: .&mt('File copied.')
345: .'</p>';
1.37 raeburn 346: }
347: # Check for embedded objects.
348: my (%allfiles,%codebase);
349: my ($text,$header,$css,$js);
350: if (($mode ne 'imsimport') && ($target =~ /\.(htm|html|shtml)$/i)) {
351: my (%allfiles,%codebase);
352: &Apache::lonnet::extract_embedded_items($target,\%allfiles,\%codebase);
353: if (keys(%allfiles) > 0) {
1.50 raeburn 354: my ($currentpath) = ($url =~ m{^(.+)/[^/]+$});
1.51 raeburn 355: my $state = &embedded_form_elems('upload_embedded',$url,$mode);
356: my ($embedded,$num,$pathchg) =
357: &Apache::loncommon::ask_for_embedded_content($action,$state,\%allfiles,
358: \%codebase,
359: {'error_on_invalid_names' => 1,
360: 'ignore_remote_references' => 1,
361: 'current_path' => $currentpath});
1.50 raeburn 362: if ($embedded) {
1.51 raeburn 363: $result .= '<h3>'.&mt('Reference Warning').'</h3>';
364: if ($num) {
365: $result .= '<p>'.&mt('Completed upload of the file.').' '.&mt('This file contained references to other files.').'</p>'.
366: '<p>'.&mt('Please select the locations from which the referenced files are to be uploaded.').'</p>'.
367: $embedded;
368: if ($mode eq 'testbank') {
369: $returnflag = 'embedded';
370: $result .= '<p>'.&mt('Or [_1]continue[_2] the testbank import without these files.','<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
371: }
372: } else {
373: $result .= '<p>'.&mt('Completed upload of the file.').'</p>'.$embedded;
374: if ($pathchg) {
375: if ($mode eq 'testbank') {
376: $returnflag = 'embedded';
377: $result .= '<p>'.&mt('Or [_1]continue[_2] the testbank import without modifying the references(s).','<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
378: }
379: }
380: }
1.37 raeburn 381: }
382: }
383: }
384: if (($mode ne 'imsimport') && ($mode ne 'testbank')) {
1.49 bisitz 385: $result .= '<br /><a href="'.$url.'">'.
386: &mt('View file').'</a>';
1.37 raeburn 387: }
388: } else {
389: $result .= &mt('Failed to copy: [_1].',$!);
390: }
391: if ($mode ne 'imsimport' && $mode ne 'testbank') {
1.49 bisitz 392: $result .= '<br /><a href="'.$dirpath.'">'.
393: &mt('Back to Directory').'</a><br />';
1.37 raeburn 394: }
395: return ($result,$returnflag);
396: }
397:
398: sub phasethree {
399: my ($r,$fn,$uname,$udom,$mode) = @_;
1.55 www 400:
1.51 raeburn 401: my $action = '/adm/upload';
402: if ($mode eq 'testbank') {
403: $action = '/adm/testbank';
404: } elsif ($mode eq 'imsimport') {
405: $action = '/adm/imsimport';
406: }
1.56 raeburn 407: my $url_root = "/priv/$udom/$uname";
408: my $dir_root = $r->dir_config('lonDocRoot').$url_root;
1.51 raeburn 409: my $path = &File::Basename::dirname($fn);
410: my $filename = &HTML::Entities::encode($env{'form.filename'},'<>&"');
411: my $state = &embedded_form_elems('modify_orightml',$filename,$mode).
412: '<input type="hidden" name="phase" value="four" />';
413: my ($result,$returnflag) =
414: &Apache::loncommon::upload_embedded($mode,$path,$uname,$udom,
415: $dir_root,$url_root,undef,
416: undef,undef,$state,$action);
417: if ($mode ne 'imsimport' && $mode ne 'testbank') {
418: $result .= '<br /><h3><a href="'.$url_root.$fn.'">'.
419: &mt('View main file').'</a></h3>'.
420: '<h3><a href="'.$url_root.$path.'">'.
421: &mt('Back to Directory').'</a></h3><br />';
422: }
423: return ($result,$returnflag);
424: }
425:
426: sub embedded_form_elems {
427: my ($action,$filename,$mode) = @_;
428: return <<STATE;
429: <input type="hidden" name="action" value="$action" />
430: <input type="hidden" name="mode" value="$mode" />
431: <input type="hidden" name="filename" value="$filename" />
432: STATE
433: }
434:
435: sub phasefour {
436: my ($r,$fn,$uname,$udom,$mode) = @_;
1.55 www 437:
1.51 raeburn 438: my $action = '/adm/upload';
439: if ($mode eq 'testbank') {
440: $action = '/adm/testbank';
441: } elsif ($mode eq 'imsimport') {
442: $action = '/adm/imsimport';
443: }
1.37 raeburn 444: my $result;
1.56 raeburn 445: my $url_root = "/priv/$udom/$uname";
446: my $dir_root = $r->dir_config('lonDocRoot').$url_root;
1.37 raeburn 447: my $path = &File::Basename::dirname($fn);
1.51 raeburn 448: $result .= &Apache::loncommon::modify_html_refs($mode,$path,
449: $uname,$udom,$dir_root);
1.37 raeburn 450: if ($mode ne 'imsimport' && $mode ne 'testbank') {
1.51 raeburn 451: $result .= '<br /><h3><a href="'.$url_root.$fn.'">'.
452: &mt('View main file').'</a></h3>'.
453: '<h3><a href="'.$url_root.$path.'">'.
454: &mt('Back to Directory').'</a></h3><br />';
1.1 www 455: }
1.37 raeburn 456: return $result;
1.1 www 457: }
458:
1.10 harris41 459: # ---------------------------------------------------------------- Main Handler
1.1 www 460: sub handler {
461:
1.22 albertel 462: my $r=shift;
1.1 www 463:
1.57 ! raeburn 464: my ($uname,$udom);
1.25 raeburn 465: my $javascript = '';
1.55 www 466:
467: my $fn=$env{'form.filename'};
468:
469: if ($env{'form.filename1'}) {
470: $fn=$env{'form.filename1'}.$env{'form.filename2'};
471: }
472: $fn=~s/\/+/\//g;
473:
474: unless ($fn) {
475: $r->log_reason($env{'user.name'}.' at '.$env{'user.domain'}.
476: ' unspecified filename for upload', $r->filename);
477: return HTTP_NOT_FOUND;
1.22 albertel 478: }
479:
1.29 albertel 480: unless ($env{'form.phase'} eq 'two') {
1.25 raeburn 481: $javascript = qq|
482: function verifyForm() {
1.28 raeburn 483: var mode = document.fileupload.filetype.options[document.fileupload.filetype.selectedIndex].value
1.25 raeburn 484: if (mode == "testbank") {
1.28 raeburn 485: document.fileupload.action = "/adm/testbank";
1.25 raeburn 486: }
487: if (mode == "imsimport") {
1.28 raeburn 488: document.fileupload.action = "/adm/imsimport";
1.25 raeburn 489: }
490: if (mode == "standard") {
1.28 raeburn 491: document.fileupload.action = "/adm/upload";
1.25 raeburn 492: }
1.28 raeburn 493: document.fileupload.submit();
1.25 raeburn 494: }
1.33 albertel 495: |;
1.25 raeburn 496: }
1.55 www 497: ($uname,$udom)=&Apache::loncacc::constructaccess($fn);
1.37 raeburn 498:
1.22 albertel 499: unless (($uname) && ($udom)) {
500: $r->log_reason($uname.' at '.$udom.
1.29 albertel 501: ' trying to publish file '.$env{'form.filename'}.
1.22 albertel 502: ' - not authorized',
503: $r->filename);
504: return HTTP_NOT_ACCEPTABLE;
505: }
506:
1.1 www 507: # ----------------------------------------------------------- Start page output
508:
509:
1.22 albertel 510: &Apache::loncommon::content_type($r,'text/html');
511: $r->send_http_header;
1.1 www 512:
1.31 albertel 513: $javascript = "<script type=\"text/javascript\">\n//<!--\n".
514: $javascript."\n// --></script>\n";
1.1 www 515:
1.47 bisitz 516: # Breadcrumbs
517: my $brcrum = [{'href' => &Apache::loncommon::authorspace(),
518: 'text' => 'Construction Space'},
519: {'href' => '/adm/upload',
520: 'text' => 'Upload file to Construction Space'}];
1.31 albertel 521: $r->print(&Apache::loncommon::start_page('Upload file to Construction Space',
1.47 bisitz 522: $javascript,
523: {'bread_crumbs' => $brcrum,})
524: .&Apache::loncommon::head_subbox(
525: &Apache::loncommon::CSTR_pageheader())
526: );
1.3 www 527:
1.29 albertel 528: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
1.52 www 529: $r->print('<p class="LC_info">'
1.46 bisitz 530: .&mt('Co-Author [_1]',$uname.':'.$udom)
1.44 bisitz 531: .'</p>'
532: );
1.22 albertel 533: }
1.51 raeburn 534: if ($env{'form.phase'} eq 'four') {
535: my $output = &phasefour($r,$fn,$uname,$udom,'author');
536: $r->print($output);
537: } elsif ($env{'form.phase'} eq 'three') {
1.53 raeburn 538: my ($output,$rtnflag) = &phasethree($r,$fn,$uname,$udom,'author');
1.37 raeburn 539: $r->print($output);
540: } elsif ($env{'form.phase'} eq 'two') {
541: my ($output,$returnflag) = &phasetwo($r,$fn,$uname,$udom);
542: $r->print($output);
1.22 albertel 543: } else {
544: &phaseone($r,$fn,$uname,$udom);
545: }
1.1 www 546:
1.31 albertel 547: $r->print(&Apache::loncommon::end_page());
1.22 albertel 548: return OK;
1.1 www 549: }
1.7 www 550:
551: 1;
552: __END__
1.10 harris41 553:
554:
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