Annotation of loncom/interface/lonindexer.pm, revision 1.2
1.1 www 1: # The LearningOnline Network with CAPA
2: # Directory Indexer
3: # (Login Screen
4: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14 Gerd Kortemeyer)
5: # 11/23 Gerd Kortemeyer
6: # 07/20-08/04 H.K. Ng
7: #
1.2 ! harris41 8: # 05/9-05/19/2001 H. K. Ng
! 9: #
1.1 www 10: package Apache::lonindexer;
11:
12: use strict;
13: use Apache::lonnet();
14: use Apache::Constants qw(:common);
1.2 ! harris41 15: use Apache::File;
! 16: use GDBM_File;
! 17:
! 18: my %dirs;
! 19: my %language;
! 20:
! 21: sub BEGIN {
! 22: my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/language.tab');
! 23: map {
! 24: $_=~/(\w+)\s+([\w\s\-]+)/;
! 25: $language{$1}=$2;
! 26: } <$fh>;
! 27: }
1.1 www 28:
29: sub handler {
30: my $r = shift;
31: $r->content_type('text/html');
32: $r->send_http_header;
33: return OK if $r->header_only;
34:
35: my $iconpath= $r->dir_config('lonIconsURL');
36: my $domain = $r->dir_config('lonDefDomain');
37: my $role = $r->dir_config('lonRole');
38: my $loadlim = $r->dir_config('lonLoadLim');
39: my $servadm = $r->dir_config('lonAdmEMail');
40: my $sysadm = $r->dir_config('lonSysEMail');
41: my $lonhost = $r->dir_config('lonHostID');
42: my $tabdir = $r->dir_config('lonTabDir');
43:
44: # ---------------------------------------------------------------- Print Header
45: $r->print(<<ENDHEADER);
46: <html>
47: <head>
1.2 ! harris41 48: <title>The LearningOnline Network With CAPA Directory Browser</title>
! 49: <SCRIPT language="javascript">
! 50: function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
! 51: var options = "width=" + w + ",height=" + h + ",";
! 52: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
! 53: options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
! 54: var newWin = window.open(url, wdwName, options);
! 55: newWin.focus();
! 56: }
! 57: </SCRIPT>
1.1 www 58: </head>
59: <body bgcolor="#FFFFFF">
60: ENDHEADER
61:
62: my $line;
63: my (@attrchk,@openpath);
64: my $uri=$r->uri;
65: my $iconpath="/res/adm/pages/indexericons/";
66:
1.2 ! harris41 67: $r->print("<h2><font color=\"\#888888\">The LearningOnline With CAPA Network Directory Browser</font></h2>\n");
1.1 www 68:
69: for (my $i=0; $i<=5; $i++) {
70: $attrchk[$i] = "checked" if $ENV{'form.attr'.$i} == 1;
71: }
72: $r->print(<<END);
1.2 ! harris41 73: <b><font color="#666666">Display file attributes</font></b><br>
1.1 www 74: <form method="post" name="fileattr" action="$uri" enctype="application/x-www-form-urlencoded">
75: <table border=0><tr>
1.2 ! harris41 76: <td><input type=checkbox name=attr0 value="1" $attrchk[0]> Size</td>
! 77: <td><input type=checkbox name=attr1 value="1" $attrchk[1]> Last access</td>
! 78: <td><input type=checkbox name=attr2 value="1" $attrchk[2]> Last modified</td>
1.1 www 79: </tr><tr>
1.2 ! harris41 80: <td><input type=checkbox name=attr3 value="1" $attrchk[3]> Author</td>
! 81: <td><input type=checkbox name=attr4 value="1" $attrchk[4]> Keywords</td>
! 82: <td><input type=checkbox name=attr5 value="1" $attrchk[5]> Language</td>
1.1 www 83: </tr></table>
1.2 ! harris41 84: <input type="submit" name="dirlistattr" value="Review">
1.1 www 85: <input type="submit" name="dirlistattr" value="Refresh">
86: </form>
87: END
88:
1.2 ! harris41 89: my $diropen = "/home/httpd/perl/tmp/$domain$ENV{'user.name'}_diropen.db";
1.1 www 90:
1.2 ! harris41 91: if (tie(%dirs,'GDBM_File',$diropen,&GDBM_WRCREAT,0640)) {
! 92: my $titleclr="#ddffff";
! 93: # my $fileclr="#ffffdd";
! 94: $r->print("<table border=0><tr><td bgcolor=#eeeeee>\n");
! 95: $r->print("<table border=0><tr>\n");
! 96: $r->print("<td bgcolor=$titleclr><b>Name</b></td>\n");
! 97: $r->print("<td bgcolor=$titleclr align=right><b>Size (bytes) </b></td>\n") if ($ENV{'form.attr0'} == 1);
! 98: $r->print("<td bgcolor=$titleclr><b>Last accessed</b></td>\n") if ($ENV{'form.attr1'} == 1);
! 99: $r->print("<td bgcolor=$titleclr><b>Last modified</b></td>\n") if ($ENV{'form.attr2'} == 1);
! 100: $r->print("<td bgcolor=$titleclr><b>Author(s)</b></td>\n") if ($ENV{'form.attr3'} == 1);
! 101: $r->print("<td bgcolor=$titleclr><b>Keywords</b></td>\n") if ($ENV{'form.attr4'} == 1);
! 102: $r->print("<td bgcolor=$titleclr><b>Language</b></td>\n") if ($ENV{'form.attr5'} == 1);
! 103: $r->print("</tr>");
! 104:
! 105: if ($ENV{'form.openuri'}) { # take care of review and refresh options
! 106: my $uri=$ENV{'form.openuri'};
! 107: if (exists($dirs{$uri})) {
! 108: my $cursta = $dirs{$uri};
! 109: $dirs{$uri} = 'open';
! 110: $dirs{$uri} = 'closed' if $cursta eq 'open';
! 111: } else {
! 112: $dirs{$uri} = 'open';
! 113: }
! 114: }
1.1 www 115:
1.2 ! harris41 116: sort keys %dirs;
1.1 www 117:
1.2 ! harris41 118: my $toplevel = "/res/";
! 119: my $indent = -1;
! 120: &scanDir ($r,$toplevel,$indent);
! 121:
! 122: $r->print("</table>");
! 123: $r->print("</td></tr></table>");
! 124: $r->print("</body></html>\n");
! 125: untie(%dirs);
! 126: } else {
! 127: $r->print("Unable to tie hash to db file");
! 128: }
1.1 www 129: return OK;
130: }
1.2 ! harris41 131:
! 132: # --------------------recursive scan of a directory
! 133: sub scanDir {
! 134: my ($r,$startdir,$indent)=@_;
! 135: my $compuri;
1.1 www 136: $indent++;
137:
1.2 ! harris41 138: my %dupdirs = %dirs;
! 139: sort keys %dupdirs;
! 140: my @list=&get_list($r,$startdir);
! 141: foreach my $line (@list) {
! 142: my ($strip,$domusr,$foo,$testdir,$foo)=split(/\&/,$line,5);
! 143: if ($domusr eq "domain") {
! 144: $compuri=join('',$strip,"/"); # domain list has /res/<domain name>
! 145: } else {
! 146: $compuri = join('',$startdir,$strip,"/"); # user, dir & file having name only, i.e., w/o path
! 147: }
! 148: my $diropen = 0;
! 149: &display_line($r,$diropen,$line,$indent,$strip."/") if $domusr eq "domain";
! 150: while (my ($key,$val)= each %dupdirs) {
! 151: $diropen = 1 if ($key eq $compuri and $val eq "open");
1.1 www 152: }
1.2 ! harris41 153: &display_line($r,$diropen,$line,$indent,$startdir) if ($domusr ne "domain");
! 154: &scanDir ($r,$compuri,$indent) if $diropen == 1;
1.1 www 155: }
156: $indent--;
157: }
158:
1.2 ! harris41 159: # ----------------- get complete matched list based on the uri ------
1.1 www 160: sub get_list {
161: my ($r,$uri)=@_;
162: my @list;
1.2 ! harris41 163: my $luri = $uri;
! 164: my $domain = $r->dir_config('lonDefDomain');
! 165: $luri =~ s/\//_/g;
! 166:
! 167: if ($ENV{'form.dirlistattr'} eq "Refresh") {
! 168: my $tmpdir="/home/httpd/perl/tmp";
! 169: my $filename;
! 170: opendir(DIR,$tmpdir);
! 171: while ($filename=readdir(DIR)) {
! 172: if ($filename=~/^$domain$ENV{'user.name'}_dirlist.*\.tmp$/) {
! 173: unlink($tmpdir.'/'.$filename);
! 174: }
! 175: }
! 176: closedir(DIR);
! 177: }
! 178:
! 179: my $dirlist = "/home/httpd/perl/tmp/$domain$ENV{'user.name'}_dirlist$luri.tmp";
1.1 www 180: if (-e $dirlist) {
181: my $FH = Apache::File->new($dirlist);
182: @list=<$FH>;
183: } else {
184: @list=&Apache::lonnet::dirlist($uri);
185: my $FH = Apache::File->new(">$dirlist");
186: print $FH join("\n",@list);
187: }
1.2 ! harris41 188: @list = sort(@list);
1.1 www 189: return @list=&match_ext($r,@list);
190: }
191:
1.2 ! harris41 192: #-------------------------- filters out files based on extensions
1.1 www 193: sub match_ext {
194: my ($r,@packlist)=@_;
195: my @trimlist;
196: my $nextline;
197: my @fileext;
198: my $dirptr=16384;
199:
200: my $tabdir = $r->dir_config('lonTabDir');
201: my $fn = $tabdir."/filetypes.tab";
202: if (-e $fn) {
203: my $FH=Apache::File->new($fn);
204: my @content=<$FH>;
1.2 ! harris41 205: foreach my $line (@content) {
1.1 www 206: (my $ext,my $foo) = split /\s+/,$line;
207: push @fileext,$ext;
208: }
209: }
1.2 ! harris41 210: foreach my $line (@packlist) {
! 211: chomp $line;
! 212: $line =~ s/^\/home\/httpd\/html//;
! 213: my @unpackline = split (/\&/,$line);
! 214: next if ($unpackline[0] eq ".");
! 215: next if ($unpackline[0] eq "..");
! 216: my @filecom = split (/\./,$unpackline[0]);
! 217: my $fext = pop(@filecom);
! 218: next if $fext eq "meta";
! 219: my $fnptr = $unpackline[3]&$dirptr;
! 220: if ($fnptr == 0 and $unpackline[3] ne "") {
! 221: foreach my $nextline (@fileext) {
! 222: push @trimlist,$line if $nextline eq $fext;
1.1 www 223: }
224: } else {
1.2 ! harris41 225: push @trimlist,$line;
1.1 www 226: }
227: }
228: return @trimlist;
229: }
230:
1.2 ! harris41 231: #------------------- displays one line in appropriate table format
1.1 www 232: sub display_line{
1.2 ! harris41 233: my ($r,$diropen,$line,$indent,$startdir)=@_;
1.1 www 234: my (@pathfn, $fndir, $fnptr);
235: my $dirptr=16384;
236: my $fileclr="#ffffe6";
237: my $iconpath="/res/adm/pages/indexericons/";
238:
239: my @filecom = split (/\&/,$line);
240: my @pathcom = split (/\//,$filecom[0]);
241: my $listname = $pathcom[scalar(@pathcom)-1];
242: my $fnptr = $filecom[3]&$dirptr;
243:
244: my $tabtag="</td>";
245: my $i=0;
246:
247: while ($i<=5) {
248: my $key="form.attr".$i;
249: $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,"> </td>") if $ENV{$key} == 1;
250: $i++;
251: }
252: if ($filecom[1] eq "domain") {
253: $r->print("<tr>");
254: $r->print("<td bgcolor=$fileclr valign=bottom>");
1.2 ! harris41 255: &begin_form ($r,$filecom[0].'/');
1.1 www 256: $r->print ("<input src=\"$iconpath");
257: $r->print ("comp.blue.gif\"");
1.2 ! harris41 258: $r->print (" name=\"View $filecom[0]/ resources\" height=\"22\" type=\"image\" border=\"0\">\n");
1.1 www 259: $r->print("Domain - $listname $tabtag</tr></form>\n");
260: return OK;
261: }
262: if ($filecom[1] eq "user") {
263: $r->print("<tr>");
264: $r->print("<td bgcolor=$fileclr valign=bottom>\n");
1.2 ! harris41 265: my $curdir = $startdir.$filecom[0].'/';
! 266: &begin_form ($r,$curdir);
! 267: $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
1.1 www 268: $r->print ("<input src=\"$iconpath");
269: $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;
270: $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;
1.2 ! harris41 271: $r->print (" name=\"View $curdir resources\" height=\"22\" type=\"image\" border=\"0\">\n");
1.1 www 272: $r->print("<img src=",$iconpath,"quill.gif border=0>\n");
273: $r->print("$listname $tabtag</tr></form>\n");
274: return OK;
275: }
276: # display file
277: if ($fnptr == 0 and $filecom[3] ne "") {
278: my @file_ext = split (/\./,$listname);
279: my $curfext = $file_ext[scalar(@file_ext)-1];
1.2 ! harris41 280: my $filelink = $startdir.$filecom[0];
1.1 www 281: my $count = 0;
282: $r->print("<tr><td bgcolor=$fileclr>");
1.2 ! harris41 283: while ($count < $indent) {
1.1 www 284: $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
285: $count++;
286: }
287: $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
288: $r->print("<img src=$iconpath$curfext.gif border=0>\n");
1.2 ! harris41 289: $r->print(" <a href=$filelink>",$listname,"</a>");
! 290: my $metafile = '/home/httpd/html'.$filelink.'.meta';
! 291:
! 292: $r->print (" (<a href=\"javascript:openWindow('".$filelink.".meta', 'metadata', '400', '450', 'no', 'yes')\"; TARGET=_self>metadata</a>) ") if (-e $metafile);
! 293:
! 294: # $r->print(" (<a href=$filelink.meta target=cat>metadata</a>)") if (-e $metafile);
! 295: $r=>print("</td>\n");
1.1 www 296: $r->print("<td bgcolor=$fileclr align=right valign=bottom> ",$filecom[8]," </td>\n") if $ENV{'form.attr0'} == 1;
297: $r->print("<td bgcolor=$fileclr valign=bottom> ".(localtime($filecom[9]))." </td>\n") if $ENV{'form.attr1'} == 1;
298: $r->print("<td bgcolor=$fileclr valign=bottom> ".(localtime($filecom[10]))." </td>\n") if $ENV{'form.attr2'} == 1;
1.2 ! harris41 299:
! 300: if ($ENV{'form.attr3'} == 1) {
! 301: my $author = &Apache::lonnet::metadata($filelink,'author');
! 302: $author = ' ' if (!$author);
! 303: $r->print("<td bgcolor=$fileclr valign=bottom> ".$author." </td>\n");
! 304: }
! 305: if ($ENV{'form.attr4'} == 1) {
! 306: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
! 307: $keywords = ' ' if (!$keywords);
! 308: $r->print("<td bgcolor=$fileclr valign=bottom> ".$keywords." </td>\n");
! 309: }
! 310: if ($ENV{'form.attr5'} == 1) {
! 311: my $lang = &Apache::lonnet::metadata($filelink,'language');
! 312: $lang = $language{$lang};
! 313: $lang = ' ' if (!$lang);
! 314: $r->print("<td bgcolor=$fileclr valign=bottom> ".$lang." </td>\n");
! 315: }
1.1 www 316: $r->print("</tr>\n");
317: }
1.2 ! harris41 318: # -- display directory
1.1 www 319: if ($fnptr == $dirptr) {
320: my @file_ext = split (/\./,$listname);
321: my $curfext = $file_ext[scalar(@file_ext)-1];
1.2 ! harris41 322: my $curdir = $startdir.$filecom[0].'/';
1.1 www 323: $r->print("<tr><td bgcolor=$fileclr valign=bottom>");
1.2 ! harris41 324: &begin_form ($r,$curdir);
1.1 www 325:
326: my $count = 0;
1.2 ! harris41 327: while ($count < $indent) {
1.1 www 328: $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
329: $count++;
330: }
331:
332: $r->print ("<input src=\"$iconpath");
333: $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;
334: $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;
1.2 ! harris41 335: $r->print (" name=\"View $curdir resources\" height=\"22\" type=\"image\" border=\"0\">\n");
1.1 www 336: $r->print("<img src=",$iconpath,"folder_closed.gif border=0>\n") if $diropen == 0;
337: $r->print("<img src=",$iconpath,"folder_opened.gif border=0>\n") if $diropen == 1;
338: $r->print("$listname $tabtag</tr></form>\n");
339: }
1.2 ! harris41 340:
1.1 www 341: }
342:
1.2 ! harris41 343: #---------------------prints the beginning of a form for directory or file link
1.1 www 344: sub begin_form {
345: my ($r,$uri) = @_;
1.2 ! harris41 346:
! 347: $r->print ("<form method=\"post\" name=\"dirpath\" action=\"/res/\" enctype=\"application/x-www-form-urlencoded\">\n");
! 348: $r->print ("<input type=hidden name=openuri value=\"$uri\">\n");
1.1 www 349:
350: for (my $i=0; $i<=5; $i++) {
351: $r->print ("<input type=hidden name=attr$i value=\"1\">\n") if $ENV{'form.attr'.$i} == 1;
352: }
353: }
354:
355: 1;
356: __END__
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