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: #
7: package Apache::lonindexer;
8:
9: use strict;
10: use Apache::lonnet();
11: use Apache::Constants qw(:common);
12:
13: sub handler {
14: my $r = shift;
15: $r->content_type('text/html');
16: $r->send_http_header;
17: return OK if $r->header_only;
18:
19: my $iconpath= $r->dir_config('lonIconsURL');
20: my $domain = $r->dir_config('lonDefDomain');
21: my $role = $r->dir_config('lonRole');
22: my $loadlim = $r->dir_config('lonLoadLim');
23: my $servadm = $r->dir_config('lonAdmEMail');
24: my $sysadm = $r->dir_config('lonSysEMail');
25: my $lonhost = $r->dir_config('lonHostID');
26: my $tabdir = $r->dir_config('lonTabDir');
27:
28: # ---------------------------------------------------------------- Print Header
29: $r->print(<<ENDHEADER);
30: <html>
31: <head>
32: <title>The LearningOnline Network Directory Browser</title>
33: </head>
34: <body bgcolor="#FFFFFF">
35: ENDHEADER
36:
37: my $line;
38: my (@attrchk,@openpath);
39: my $uri=$r->uri;
40: my $iconpath="/res/adm/pages/indexericons/";
41:
42: $r->print("<h2>The LearningOnline Network Directory Browser</h2>\n");
43: # $r->print("<hr>Current uri=$uri<br>called uri=$ENV{'form.openuri'}<br>domain=$domain<hr>");
44:
45: for (my $i=0; $i<=5; $i++) {
46: $attrchk[$i] = "checked" if $ENV{'form.attr'.$i} == 1;
47: }
48: $r->print(<<END);
49: <b>Display file attributes</b><br>
50: <form method="post" name="fileattr" action="$uri" enctype="application/x-www-form-urlencoded">
51: <table border=0><tr>
52: <td><input type=checkbox name=attr0 value="1" $attrchk[0]>Size</td>
53: <td><input type=checkbox name=attr1 value="1" $attrchk[1]>Last access</td>
54: <td><input type=checkbox name=attr2 value="1" $attrchk[2]>Last modified</td>
55: </tr><tr>
56: <td><input type=checkbox name=attr3 value="1" $attrchk[3]>Author</td>
57: <td><input type=checkbox name=attr4 value="1" $attrchk[4]>Keywords</td>
58: <td><input type=checkbox name=attr5 value="1" $attrchk[5]>Language</td>
59: </tr></table>
60: <input type=hidden name=openuri value="$ENV{'form.openuri'}">
61: <input type="submit" name="dirlistattr" value="Review">
62: </form>
63: END
64: my $titleclr="#ddffff";
65: my $fileclr="#ffffdd";
66:
67: $r->print("<table border=0><tr><td bgcolor=#eeeeee>\n");
68: $r->print("<table border=0><tr>\n");
69: $r->print("<td bgcolor=$titleclr><b>Name</b></td>\n");
70: $r->print("<td bgcolor=$titleclr align=right><b>Size (bytes) </b></td>\n") if ($ENV{'form.attr0'} == 1);
71: $r->print("<td bgcolor=$titleclr><b>Last accessed</b></td>\n") if ($ENV{'form.attr1'} == 1);
72: $r->print("<td bgcolor=$titleclr><b>Last modified</b></td>\n") if ($ENV{'form.attr2'} == 1);
73: $r->print("</tr>");
74:
75: if ($ENV{'dirlist.level'} eq "") {
76: my %dirlevel;
77: $dirlevel{'dirlist.level'}='-2';
78: &Apache::lonnet::appenv(%dirlevel);
79: } else {
80: $ENV{'dirlist.level'}='-2';
81: }
82: if ($ENV{'form.openuri'} =~ /$uri\&/) {
83: my @pathcom = split(/\//,$uri);
84: pop @pathcom;
85: my $splituri = join ('/',@pathcom);
86: $uri = join ('',$splituri,"/");
87: }
88: &display_line ($r,1,"/res/".$domain."&domain");
89: # $domain="/res/".$domain."/";
90: &branch($r,"/res/".$domain."/",$uri);
91:
92: $r->print("</table>");
93: $r->print("</td></tr></table>");
94: $r->print("</body></html>\n");
95: # &display_env($r);
96:
97: return OK;
98: }
99:
100: # my @packlist=&Apache::lonnet::dirlist($uri);
101: # print "Dir list<br>".join('<br>',@packlist)."<br>";
102:
103: sub branch {
104: my ($r,$uri,$calluri)=@_;
105: my ($line,@list);
106: my ($domusr,$foo,$strip,$testdir,$compuri,$chkdir,$diropen);
107: my $dirptr=16384;
108: $ENV{'dirlist.level'}++;
109:
110: @list=&get_list($r,$uri);
111: foreach $line (@list) {
112: chomp $line;
113:
114: ($strip,$domusr,$foo,$testdir,$foo)=split(/\&/,$line,5);
115: $compuri=join("",$strip,"/");
116: $chkdir=$testdir&$dirptr;
117: if ($domusr eq "domain" or $domusr eq "user") {
118: $chkdir = $dirptr;
119: $testdir = $dirptr;
120: }
121: $diropen = 0;
122: $diropen = 1 if ($compuri eq $calluri);
123: &display_line($r,$diropen,$line);
124:
125: &branch($r,$compuri,$calluri) if ($calluri =~ $compuri and $calluri=~/^$uri/ and $chkdir == $dirptr and $testdir ne "");
126: }
127: $ENV{'dirlist.level'}--;
128: }
129:
130: # ------ get complete list based on the uri ------
131: sub get_list {
132: my ($r,$uri)=@_;
133: my @list;
134: my $luri=$uri;
135: $luri=~s/\//_/g;
136: my $dirlist = "/home/httpd/perl/tmp/$ENV{'user.name'}_dirlist$luri.tmp";
137: if (-e $dirlist) {
138: my $FH = Apache::File->new($dirlist);
139: @list=<$FH>;
140: } else {
141: @list=&Apache::lonnet::dirlist($uri);
142: my $FH = Apache::File->new(">$dirlist");
143: print $FH join("\n",@list);
144: }
145: return @list=&match_ext($r,@list);
146: }
147:
148: # ------ get previously opened path, if any ------
149: sub get_openpath {
150: my $uri=shift;
151: my @list;
152: my $openlist = "/home/httpd/perl/tmp/$ENV{'user.name'}_dirlist_open_path.tmp";
153: if (-e $openlist) {
154: my $FH = Apache::File->new($openlist);
155: @list=<$FH>;
156: close ($FH);
157: my $line;
158: my $FH = Apache::File->new(">$openlist");
159: print $FH "$uri\n" if $list[0] eq "";
160: foreach $line (@list) {
161: chomp $line;
162: if ($line eq $uri) {
163: my @pathcom = split(/\//,$uri);
164: pop @pathcom;
165: my $splituri = join ('/',@pathcom);
166: $uri = join ('',$splituri,"/");
167: } else {
168: print $FH "$line\n";
169: }
170: }
171: } else {
172: my $FH = Apache::File->new(">$openlist");
173: print $FH "$uri\n";
174: }
175: return $uri;
176: }
177:
178: sub match_ext {
179: my ($r,@packlist)=@_;
180: my $line;
181: my @trimlist;
182: my $nextline;
183: my @fileext;
184: my $dirptr=16384;
185:
186: my $tabdir = $r->dir_config('lonTabDir');
187: my $fn = $tabdir."/filetypes.tab";
188: if (-e $fn) {
189: my $FH=Apache::File->new($fn);
190: my @content=<$FH>;
191: foreach $line (@content) {
192: (my $ext,my $foo) = split /\s+/,$line;
193: push @fileext,$ext;
194: }
195: }
196: foreach $line (@packlist) {
197: my ($foo,$strip) = split(/\/html/,$line);
198: my @unpacklist = split (/\&/,$strip);
199:
200: my @pathfn = split (/\//,$unpacklist[0]);
201: my $fndir = $pathfn[scalar(@pathfn)-1];
202: my @filecom = split (/\./,$fndir);
203: my $curfext = $filecom[scalar(@filecom)-1];
204: my $fnptr = $unpacklist[3]&$dirptr;
205: if ($fnptr == 0 and $unpacklist[3] ne "") {
206: foreach $nextline (@fileext) {
207: push @trimlist,$strip if $nextline eq $curfext;
208: }
209: } else {
210: push @trimlist,$strip;
211: }
212: }
213: return @trimlist;
214: }
215:
216: sub display_line{
217: my ($r,$diropen,$line)=@_;
218: my (@pathfn, $fndir, $fnptr);
219: my $dirptr=16384;
220: my $fileclr="#ffffe6";
221: my $iconpath="/res/adm/pages/indexericons/";
222:
223: my @filecom = split (/\&/,$line);
224: my @pathcom = split (/\//,$filecom[0]);
225: my $listname = $pathcom[scalar(@pathcom)-1];
226: my $fnptr = $filecom[3]&$dirptr;
227: my $indent = $ENV{'dirlist.level'};
228:
229: my $tabtag="</td>";
230: my $nextline;
231: my $i=0;
232:
233: while ($i<=5) {
234: my $key="form.attr".$i;
235: $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,"> </td>") if $ENV{$key} == 1;
236: $i++;
237: }
238:
239: if ($filecom[1] eq "domain") {
240: $r->print("<tr>");
241: $r->print("<td bgcolor=$fileclr valign=bottom>");
242: &begin_form ($r,$filecom[0]);
243: $r->print ("<input src=\"$iconpath");
244: $r->print ("comp.blue.gif\"");
245: $r->print (" name=\"submit\" height=\"22\" type=\"image\" border=\"0\">\n");
246: $r->print("Domain - $listname $tabtag</tr></form>\n");
247: return OK;
248: }
249:
250: if ($filecom[1] eq "user") {
251: $r->print("<tr>");
252: $r->print("<td bgcolor=$fileclr valign=bottom>\n");
253: &begin_form ($r,$filecom[0]);
254: my $count = 0;
255: while ($count <= $ENV{'dirlist.level'}) {
256: $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
257: $count++;
258: }
259: $r->print ("<input src=\"$iconpath");
260: $r->print ("right.gif\"") if $diropen == 0;
261: $r->print ("down.gif\"") if $diropen == 1;
262: $r->print (" name=\"submit\" height=\"22\" type=\"image\" border=\"0\">\n");
263: $r->print("<img src=",$iconpath,"quill.gif border=0>\n");
264: $r->print("$listname $tabtag</tr></form>\n");
265: return OK;
266: }
267:
268: # display file
269: if ($fnptr == 0 and $filecom[3] ne "") {
270: my @file_ext = split (/\./,$listname);
271: my $curfext = $file_ext[scalar(@file_ext)-1];
272: my $count = 0;
273: $r->print("<tr><td bgcolor=$fileclr>");
274: while ($count <= $ENV{'dirlist.level'}) {
275: $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
276: $count++;
277: }
278: $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
279: $r->print("<img src=$iconpath$curfext.gif border=0>\n");
280: $r->print(" <a href=$filecom[0]>",$listname,"</a> </td>\n");
281: $r->print("<td bgcolor=$fileclr align=right valign=bottom> ",$filecom[8]," </td>\n") if $ENV{'form.attr0'} == 1;
282: $r->print("<td bgcolor=$fileclr valign=bottom> ".(localtime($filecom[9]))." </td>\n") if $ENV{'form.attr1'} == 1;
283: $r->print("<td bgcolor=$fileclr valign=bottom> ".(localtime($filecom[10]))." </td>\n") if $ENV{'form.attr2'} == 1;
284: $r->print("</tr>\n");
285: }
286:
287: # display directory
288: if ($fnptr == $dirptr) {
289: my @file_ext = split (/\./,$listname);
290: my $curfext = $file_ext[scalar(@file_ext)-1];
291: $r->print("<tr><td bgcolor=$fileclr valign=bottom>");
292: &begin_form ($r,$filecom[0]);
293:
294: my $count = 0;
295: while ($count <= $ENV{'dirlist.level'}) {
296: $r->print("<img src=",$iconpath,"white_space_20_22.gif border=0>\n");
297: $count++;
298: }
299:
300: $r->print ("<input src=\"$iconpath");
301: $r->print ("right.gif\"") if $diropen == 0;
302: $r->print ("down.gif\"") if $diropen == 1;
303: $r->print (" name=\"submit\" height=\"22\" type=\"image\" border=\"0\">\n");
304: $r->print("<img src=",$iconpath,"folder.gif border=0>\n") if $diropen == 0;
305: $r->print("<img src=",$iconpath,"folder.open.gif border=0>\n") if $diropen == 1;
306: $r->print("$listname $tabtag</tr></form>\n");
307: }
308: }
309:
310: sub begin_form {
311: my ($r,$uri) = @_;
312: my $currenturi = $r->uri;
313: my $openuri = $ENV{'form.openuri'};
314: if ($ENV{'form.openuri'} =~ /$currenturi\&/) {
315: $openuri =~ s/$currenturi\&//;
316: } else {
317: $currenturi = join ('',$currenturi,"&");
318: $openuri = join ('&',$ENV{'form.openuri'},$currenturi);
319: $openuri =~ s/\&+/\&/g;
320: }
321: $r->print ("<form method=\"post\" name=\"dirpath\" action=\"$uri/\" enctype=\"application/x-www-form-urlencoded\">\n");
322: $r->print ("<input type=hidden name=openuri value=\"$openuri\">\n");
323:
324: for (my $i=0; $i<=5; $i++) {
325: $r->print ("<input type=hidden name=attr$i value=\"1\">\n") if $ENV{'form.attr'.$i} == 1;
326: }
327: }
328:
329: sub display_env {
330: my $r=shift;
331: my %otherenv;
332: $otherenv{'hi'}='there';
333: $otherenv{'does_this'}='work?';
334: &Apache::lonnet::appenv(%otherenv);
335: my $envkey;
336: foreach $envkey (sort keys %ENV) {
337: $r->print("$envkey: $ENV{$envkey}<br>\n");
338: }
339: # $r->print("<hr>".&Apache::lonnet::ssi('/res/msu/korte/test.tex'));
340: # $r->print("<hr>".join('<br>',&Apache::lonnet::dirlist('/res/msu/korte/')));
341: }
342:
343: 1;
344: __END__
345:
346:
347:
348:
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