Annotation of loncom/interface/lonindexer.pm, revision 1.6
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
1.4 harris41 9: # 05/21/2001 H. K. Ng
1.6 ! harris41 10: # 05/23/2001 H. K. Ng
1.2 harris41 11: #
1.1 www 12: package Apache::lonindexer;
13:
14: use strict;
15: use Apache::lonnet();
16: use Apache::Constants qw(:common);
1.2 harris41 17: use Apache::File;
18: use GDBM_File;
19:
1.4 harris41 20: my %hash;
1.2 harris41 21: my %dirs;
22: my %language;
23:
24: sub BEGIN {
25: my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/language.tab');
26: map {
27: $_=~/(\w+)\s+([\w\s\-]+)/;
28: $language{$1}=$2;
29: } <$fh>;
30: }
1.1 www 31:
32: sub handler {
33: my $r = shift;
34: $r->content_type('text/html');
35: $r->send_http_header;
36: return OK if $r->header_only;
37:
38: my $iconpath= $r->dir_config('lonIconsURL');
39: my $domain = $r->dir_config('lonDefDomain');
40: my $role = $r->dir_config('lonRole');
41: my $loadlim = $r->dir_config('lonLoadLim');
42: my $servadm = $r->dir_config('lonAdmEMail');
43: my $sysadm = $r->dir_config('lonSysEMail');
44: my $lonhost = $r->dir_config('lonHostID');
45: my $tabdir = $r->dir_config('lonTabDir');
46:
47: # ---------------------------------------------------------------- Print Header
48: $r->print(<<ENDHEADER);
49: <html>
50: <head>
1.2 harris41 51: <title>The LearningOnline Network With CAPA Directory Browser</title>
1.3 harris41 52:
1.2 harris41 53: <SCRIPT language="javascript">
54: function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
55: var options = "width=" + w + ",height=" + h + ",";
56: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
57: options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
58: var newWin = window.open(url, wdwName, options);
59: newWin.focus();
60: }
61: </SCRIPT>
1.3 harris41 62:
1.1 www 63: </head>
64: <body bgcolor="#FFFFFF">
65: ENDHEADER
66:
67: my $line;
68: my (@attrchk,@openpath);
69: my $uri=$r->uri;
70: my $iconpath="/res/adm/pages/indexericons/";
71:
1.2 harris41 72: $r->print("<h2><font color=\"\#888888\">The LearningOnline With CAPA Network Directory Browser</font></h2>\n");
1.1 www 73:
1.6 ! harris41 74: my $diropen = "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
! 75:
! 76: if (tie(%hash,'GDBM_File',$diropen,&GDBM_WRCREAT,0640)) {
! 77:
! 78: if ($ENV{'form.attrs'} ne "") {
! 79: for (my $i=0; $i<=5; $i++) {
! 80: delete $hash{'display_attrs_'.$i};
! 81: if ($ENV{'form.attr'.$i} == 1) {
! 82: $attrchk[$i] = "checked";
! 83: $hash{'display_attrs_'.$i} = 1;
! 84: }
! 85: }
! 86: } else {
! 87: for (my $i=0; $i<=5; $i++) {
! 88: $attrchk[$i] = "checked" if $hash{'display_attrs_'.$i} == 1;
! 89: }
! 90: }
1.1 www 91: $r->print(<<END);
1.2 harris41 92: <b><font color="#666666">Display file attributes</font></b><br>
1.1 www 93: <form method="post" name="fileattr" action="$uri" enctype="application/x-www-form-urlencoded">
94: <table border=0><tr>
1.2 harris41 95: <td><input type=checkbox name=attr0 value="1" $attrchk[0]> Size</td>
96: <td><input type=checkbox name=attr1 value="1" $attrchk[1]> Last access</td>
97: <td><input type=checkbox name=attr2 value="1" $attrchk[2]> Last modified</td>
1.1 www 98: </tr><tr>
1.2 harris41 99: <td><input type=checkbox name=attr3 value="1" $attrchk[3]> Author</td>
100: <td><input type=checkbox name=attr4 value="1" $attrchk[4]> Keywords</td>
101: <td><input type=checkbox name=attr5 value="1" $attrchk[5]> Language</td>
1.1 www 102: </tr></table>
1.6 ! harris41 103: <input type="submit" name="attrs" value="Review">
! 104: <input type="submit" name="attrs" value="Refresh">
1.1 www 105: </form>
106: END
107:
1.5 harris41 108: my $titleclr="#ddffff";
109: $r->print("<table border=0><tr><td bgcolor=#eeeeee>\n");
110: $r->print("<table border=0><tr>\n");
111: $r->print("<td bgcolor=$titleclr><b>Name</b></td>\n");
1.6 ! harris41 112: $r->print("<td bgcolor=$titleclr align=right><b>Size (bytes) </b></td>\n") if ($hash{'display_attrs_0'} == 1);
! 113: $r->print("<td bgcolor=$titleclr><b>Last accessed</b></td>\n") if ($hash{'display_attrs_1'} == 1);
! 114: $r->print("<td bgcolor=$titleclr><b>Last modified</b></td>\n") if ($hash{'display_attrs_2'} == 1);
! 115: $r->print("<td bgcolor=$titleclr><b>Author(s)</b></td>\n") if ($hash{'display_attrs_3'} == 1);
! 116: $r->print("<td bgcolor=$titleclr><b>Keywords</b></td>\n") if ($hash{'display_attrs_4'} == 1);
! 117: $r->print("<td bgcolor=$titleclr><b>Language</b></td>\n") if ($hash{'display_attrs_5'} == 1);
1.5 harris41 118: $r->print("</tr>");
119:
1.4 harris41 120: map {
121: if ($_ =~ /^diropen_status_/) {
122: my $key = $_;
123: $key =~ s/^diropen_status_//;
124: $dirs{$key} = $hash{$_};
125: }
126: } keys %hash;
127:
1.2 harris41 128: if ($ENV{'form.openuri'}) { # take care of review and refresh options
129: my $uri=$ENV{'form.openuri'};
1.4 harris41 130: if (exists($hash{'diropen_status_'.$uri})) {
131: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 132: $dirs{$uri} = 'open';
1.4 harris41 133: $hash{'diropen_status_'.$uri} = 'open';
134: if ($cursta eq 'open') {
135: $dirs{$uri} = 'closed';
136: $hash{'diropen_status_'.$uri} = 'closed';
137: }
1.2 harris41 138: } else {
1.4 harris41 139: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 140: $dirs{$uri} = 'open';
141: }
142: }
1.1 www 143:
1.2 harris41 144: my $toplevel = "/res/";
1.4 harris41 145: my $indent = 0;
1.2 harris41 146: &scanDir ($r,$toplevel,$indent);
147:
148: $r->print("</table>");
149: $r->print("</td></tr></table>");
150: $r->print("</body></html>\n");
1.4 harris41 151: untie(%hash);
1.2 harris41 152: } else {
153: $r->print("Unable to tie hash to db file");
154: }
1.1 www 155: return OK;
156: }
1.2 harris41 157:
1.6 ! harris41 158:
1.2 harris41 159: # --------------------recursive scan of a directory
160: sub scanDir {
161: my ($r,$startdir,$indent)=@_;
1.3 harris41 162: my ($compuri,$curdir);
163: my $dirptr=16384;
1.1 www 164: $indent++;
165:
1.2 harris41 166: my %dupdirs = %dirs;
167: my @list=&get_list($r,$startdir);
168: foreach my $line (@list) {
1.5 harris41 169: my ($strip,$dom,$foo,$testdir,$foo)=split(/\&/,$line,5);
1.4 harris41 170: next if $strip =~ /.*\.meta$/;
1.5 harris41 171: if ($dom eq "domain") {
1.3 harris41 172: $compuri = join('',$strip,"/"); # domain list has /res/<domain name>
173: $curdir = $compuri;
1.2 harris41 174: } else {
175: $compuri = join('',$startdir,$strip,"/"); # user, dir & file having name only, i.e., w/o path
1.3 harris41 176: $curdir = $startdir;
1.2 harris41 177: }
178: my $diropen = 0;
1.5 harris41 179: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/)) {
1.3 harris41 180: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 181: if ($key eq $compuri and $val eq "open") {
182: $diropen = 1;
183: delete $dupdirs{key},$dirs{$key};
184: }
1.3 harris41 185: }
1.1 www 186: }
1.4 harris41 187: &display_line($r,$diropen,$line,$indent,$curdir,@list);
1.2 harris41 188: &scanDir ($r,$compuri,$indent) if $diropen == 1;
1.1 www 189: }
190: $indent--;
191: }
192:
1.2 harris41 193: # ----------------- get complete matched list based on the uri ------
1.1 www 194: sub get_list {
195: my ($r,$uri)=@_;
196: my @list;
1.2 harris41 197: my $luri = $uri;
198: $luri =~ s/\//_/g;
199:
1.6 ! harris41 200: if ($ENV{'form.attrs'} eq "Refresh") {
1.4 harris41 201: map {
202: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
203: } keys %hash;
1.2 harris41 204: }
205:
1.4 harris41 206: if ($hash{'dirlist_files'.$luri}) {
207: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.1 www 208: } else {
1.4 harris41 209: @list = &Apache::lonnet::dirlist($uri);
210: $hash{'dirlist_files_'.$luri} = join('\n',@list);
1.1 www 211: }
212: return @list=&match_ext($r,@list);
213: }
214:
1.2 harris41 215: #-------------------------- filters out files based on extensions
1.1 www 216: sub match_ext {
217: my ($r,@packlist)=@_;
218: my @trimlist;
219: my $nextline;
220: my @fileext;
221: my $dirptr=16384;
222:
223: my $tabdir = $r->dir_config('lonTabDir');
224: my $fn = $tabdir."/filetypes.tab";
225: if (-e $fn) {
226: my $FH=Apache::File->new($fn);
227: my @content=<$FH>;
1.2 harris41 228: foreach my $line (@content) {
1.1 www 229: (my $ext,my $foo) = split /\s+/,$line;
230: push @fileext,$ext;
231: }
232: }
1.2 harris41 233: foreach my $line (@packlist) {
234: chomp $line;
235: $line =~ s/^\/home\/httpd\/html//;
236: my @unpackline = split (/\&/,$line);
237: next if ($unpackline[0] eq ".");
238: next if ($unpackline[0] eq "..");
239: my @filecom = split (/\./,$unpackline[0]);
240: my $fext = pop(@filecom);
241: my $fnptr = $unpackline[3]&$dirptr;
242: if ($fnptr == 0 and $unpackline[3] ne "") {
243: foreach my $nextline (@fileext) {
244: push @trimlist,$line if $nextline eq $fext;
1.1 www 245: }
246: } else {
1.2 harris41 247: push @trimlist,$line;
1.1 www 248: }
249: }
1.4 harris41 250: @trimlist = sort (@trimlist);
1.1 www 251: return @trimlist;
252: }
253:
1.2 harris41 254: #------------------- displays one line in appropriate table format
1.1 www 255: sub display_line{
1.4 harris41 256: my ($r,$diropen,$line,$indent,$startdir,@list)=@_;
1.1 www 257: my (@pathfn, $fndir, $fnptr);
258: my $dirptr=16384;
259: my $fileclr="#ffffe6";
260: my $iconpath="/res/adm/pages/indexericons/";
261:
262: my @filecom = split (/\&/,$line);
263: my @pathcom = split (/\//,$filecom[0]);
264: my $listname = $pathcom[scalar(@pathcom)-1];
265: my $fnptr = $filecom[3]&$dirptr;
1.4 harris41 266: my $msg = 'View '.$filecom[0].' resources';
267: $msg = 'Close '.$filecom[0].' directory' if $diropen == 1;
1.1 www 268:
269: my $tabtag="</td>";
270: my $i=0;
271:
272: while ($i<=5) {
1.6 ! harris41 273: # my $key="form.attr".$i;
! 274: # $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,"> </td>") if $ENV{$key} == 1;
! 275: $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,"> </td>") if $hash{'display_attrs_'.$i} == 1;
1.1 www 276: $i++;
277: }
278: if ($filecom[1] eq "domain") {
279: $r->print("<tr>");
280: $r->print("<td bgcolor=$fileclr valign=bottom>");
1.2 harris41 281: &begin_form ($r,$filecom[0].'/');
1.3 harris41 282: my $anchor = $filecom[0].'/';
283: $anchor =~ s/\///g;
284: $r->print ("<a name=\"".$anchor."\">\n<input src=\"".$iconpath."comp.blue.gif\"");
1.4 harris41 285: $r->print (" name=\"$msg\" height=\"22\" type=\"image\" border=\"0\">\n");
1.1 www 286: $r->print("Domain - $listname $tabtag</tr></form>\n");
287: return OK;
288: }
289: if ($filecom[1] eq "user") {
290: $r->print("<tr>");
291: $r->print("<td bgcolor=$fileclr valign=bottom>\n");
1.2 harris41 292: my $curdir = $startdir.$filecom[0].'/';
293: &begin_form ($r,$curdir);
1.3 harris41 294: my $anchor = $curdir;
295: $anchor =~ s/\///g;
1.4 harris41 296: # $r->print ("<a name=\"$anchor\">\n<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
297: $r->print ("<a name=\"$anchor\">\n<img src=",$iconpath,"whitespace1.gif border=0>\n");
1.1 www 298: $r->print ("<input src=\"$iconpath");
299: $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;
300: $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;
1.4 harris41 301: $r->print (" name=\"$msg\" height=\"22\" type=\"image\" border=\"0\">\n");
1.3 harris41 302: $r->print ("<img src=",$iconpath,"quill.gif border=0>\n");
303: $r->print ("$listname $tabtag</tr></form>\n");
1.1 www 304: return OK;
305: }
306: # display file
307: if ($fnptr == 0 and $filecom[3] ne "") {
308: my @file_ext = split (/\./,$listname);
309: my $curfext = $file_ext[scalar(@file_ext)-1];
1.2 harris41 310: my $filelink = $startdir.$filecom[0];
1.1 www 311: $r->print("<tr><td bgcolor=$fileclr>");
1.4 harris41 312:
313: if ($indent < 11) {
314: $r->print("<img src=",$iconpath,"whitespace",$indent,".gif border=0>\n");
315: } else {
316: my $ten = int($indent/10.);
317: my $rem = $indent%10.0;
318: my $count = 0;
319: while ($count < $ten) {
320: $r->print("<img src=",$iconpath,"whitespace10.gif border=0>\n");
1.1 www 321: $count++;
1.4 harris41 322: }
323: $r->print("<img src=",$iconpath,"whitespace",$rem,".gif border=0>\n") if $rem > 0;
1.1 www 324: }
1.4 harris41 325:
1.1 www 326: $r->print("<img src=$iconpath$curfext.gif border=0>\n");
1.4 harris41 327: $r->print(" <a href=$filelink>",$listname,"</a>\n");
328: my $metafile = grep /^$filecom[0]\.meta\&/, @list;
1.2 harris41 329:
1.4 harris41 330: $r->print (" (<a href=\"javascript:openWindow('".$filelink.".meta', 'metadatafile', '400', '450', 'no', 'yes')\"; TARGET=_self>metadata</a>) ") if ($metafile == 1);
1.2 harris41 331:
332: $r=>print("</td>\n");
1.6 ! harris41 333: # $r->print("<td bgcolor=$fileclr align=right valign=bottom> ",$filecom[8]," </td>\n") if $ENV{'form.attr0'} == 1;
! 334: $r->print("<td bgcolor=$fileclr align=right valign=bottom> ",$filecom[8]," </td>\n") if $hash{'display_attrs_0'} == 1;
! 335: $r->print("<td bgcolor=$fileclr valign=bottom> ".(localtime($filecom[9]))." </td>\n") if $hash{'display_attrs_1'} == 1;
! 336: $r->print("<td bgcolor=$fileclr valign=bottom> ".(localtime($filecom[10]))." </td>\n") if $hash{'display_attrs_2'} == 1;
1.2 harris41 337:
1.6 ! harris41 338: if ($hash{'display_attrs_3'} == 1) {
1.4 harris41 339: my $author = &Apache::lonnet::metadata($filelink,'author') if ($metafile == 1);
1.2 harris41 340: $author = ' ' if (!$author);
341: $r->print("<td bgcolor=$fileclr valign=bottom> ".$author." </td>\n");
342: }
1.6 ! harris41 343: if ($hash{'display_attrs_4'} == 1) {
1.4 harris41 344: my $keywords = &Apache::lonnet::metadata($filelink,'keywords') if ($metafile == 1);
1.2 harris41 345: $keywords = ' ' if (!$keywords);
346: $r->print("<td bgcolor=$fileclr valign=bottom> ".$keywords." </td>\n");
347: }
1.6 ! harris41 348: if ($hash{'display_attrs_5'} == 1) {
1.4 harris41 349: my $lang = &Apache::lonnet::metadata($filelink,'language') if ($metafile == 1);
1.2 harris41 350: $lang = $language{$lang};
351: $lang = ' ' if (!$lang);
352: $r->print("<td bgcolor=$fileclr valign=bottom> ".$lang." </td>\n");
353: }
1.1 www 354: $r->print("</tr>\n");
355: }
1.2 harris41 356: # -- display directory
1.1 www 357: if ($fnptr == $dirptr) {
358: my @file_ext = split (/\./,$listname);
359: my $curfext = $file_ext[scalar(@file_ext)-1];
1.2 harris41 360: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 361: my $anchor = $curdir;
362: $anchor =~ s/\///g;
1.1 www 363: $r->print("<tr><td bgcolor=$fileclr valign=bottom>");
1.2 harris41 364: &begin_form ($r,$curdir);
1.4 harris41 365: my $indentm1 = $indent-1;
366: if ($indentm1 < 11) {
367: $r->print("<img src=",$iconpath,"whitespace",$indentm1,".gif border=0>\n");
368: } else {
369: my $ten = int($indentm1/10.);
370: my $rem = $indentm1%10.0;
371: my $count = 0;
372: while ($count < $ten) {
373: $r->print("<img src=",$iconpath,"whitespace10.gif border=0>\n");
1.1 www 374: $count++;
1.4 harris41 375: }
376: $r->print("<img src=",$iconpath,"whitespace",$rem,".gif border=0>\n") if $rem > 0;
1.1 www 377: }
1.3 harris41 378: $r->print ("<a name=\"$anchor\">\n<input src=\"$iconpath");
1.1 www 379: $r->print ("folder_pointer_closed.gif\"") if $diropen == 0;
380: $r->print ("folder_pointer_opened.gif\"") if $diropen == 1;
1.4 harris41 381: $r->print (" name=\"$msg\" height=\"22\" type=\"image\" border=\"0\">\n");
1.1 www 382: $r->print("<img src=",$iconpath,"folder_closed.gif border=0>\n") if $diropen == 0;
383: $r->print("<img src=",$iconpath,"folder_opened.gif border=0>\n") if $diropen == 1;
384: $r->print("$listname $tabtag</tr></form>\n");
385: }
1.2 harris41 386:
1.1 www 387: }
388:
1.2 harris41 389: #---------------------prints the beginning of a form for directory or file link
1.1 www 390: sub begin_form {
391: my ($r,$uri) = @_;
1.3 harris41 392: my $anchor = $uri;
393: $anchor =~ s/\///g;
394: $r->print ("<form method=\"post\" name=\"dirpath\" action=\"/res/\#$anchor\" enctype=\"application/x-www-form-urlencoded\">\n");
1.2 harris41 395: $r->print ("<input type=hidden name=openuri value=\"$uri\">\n");
1.1 www 396:
1.6 ! harris41 397: # for (my $i=0; $i<=5; $i++) {
! 398: # $r->print ("<input type=hidden name=attr$i value=\"1\">\n") if $ENV{'form.attr'.$i} == 1;
! 399: # }
1.1 www 400: }
401:
402: 1;
403: __END__
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