Annotation of loncom/interface/lonsource.pm, revision 1.4
1.1 taceyjo1 1: # The LearningOnline Network with CAPA
1.2 albertel 2: # Souce Code handler
1.1 taceyjo1 3: #
1.4 ! taceyjo1 4: # $Id: lonsource.pm,v 1.3 2004/06/18 15:13:07 www Exp $
1.1 taceyjo1 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30:
31: package Apache::lonsource;
32:
33: use strict;
34: use Apache::lonnet();
35: use Apache::loncommon();
36: use Apache::lonhtmlcommon();
37: use Apache::lonsequence();
38: use Apache::Constants qw(:common :http);
39: use Apache::lonmeta;
40: use Apache::File;
41: use Apache::lonlocal;
42: use HTML::Entities;
43:
44: sub make_link {
1.4 ! taceyjo1 45: my ($filename, $listname) = @_;
1.2 albertel 46: my $sourcelink = "http://".$ENV{'SERVER_NAME'}.
1.4 ! taceyjo1 47: "/adm/source/?filename=".$filename."&listname=".$listname;
1.2 albertel 48:
49: return $sourcelink;
1.1 taceyjo1 50: }
51:
52: sub stage_2 {
1.4 ! taceyjo1 53: my ($r, $filename, $author, $listname) = @_;
! 54: $filename = $filename;
! 55: &Apache::loncommon::content_type($r,'text/html');
! 56: my ($uname, $udom) = &Apache::loncacc::constructaccess('/~'.$author.'/',$r->dir_config('lonDefDomain'));
! 57: $r->send_http_header;
! 58: $r->print('<html><head><title>LON-CAPA Move source to construction space</title>');
! 59: $r->print(&Apache::loncommon::bodytag('Problem source code moving operation'));
! 60: $r->print("Please enter the directory that you would like the source code to go into, a default has also been provided <br />");
! 61: $r->print("Also note, the path is in reference to the root of your construction space, and new directories will be automatically created. <br /><br />");
! 62: $r->print(' <form name="copy" action="/adm/source/" target="_parent" method="post">
! 63: <input type="hidden" name="filename" value="'.$filename.'" />
! 64: <input type="hidden" name="listname" value="'.$listname.'" />
! 65: <input type="hidden" name="action" value="copy_stage" />
! 66: <input type="text" name="newpath" value="/shared_source/'.$author.'" />
! 67: <input type="submit" value="Copy" />
! 68: </form>');
! 69: return OK;
! 70: }
! 71:
! 72:
! 73: sub copy_stage {
! 74: my ($r, $filename, $listname, $newpath) = @_;
! 75: my $role;
! 76: my $domain;
! 77: my $author_name;
! 78: #Figure out if we are author or co-author
! 79: if($ENV{'request.role'} =~ m|ca.|) {
! 80: ($role, $domain, $author_name) = split(/\//,$ENV{'request.role'});
! 81: } else {
! 82: $role = "au.";
! 83: $domain = $ENV{'user.domain'};
! 84: $author_name = $ENV{'user.name'};
! 85: }
! 86:
! 87: my $path_to_new_file = '/home/'.$author_name.'/public_html/'.$newpath.'/'.$listname;
! 88: #Just checking again for access as we want to make sure that it is really ok now that we have the real path
! 89: my ($uname,$udom)= &Apache::loncacc::constructaccess($path_to_new_file,$domain);
! 90: unless (($uname) && ($udom)) {
! 91: return HTTP_NOT_ACCEPTABLE;
! 92: }
! 93: &Apache::loncommon::content_type($r,'text/html');
! 94: $r->send_http_header;
! 95: $r->print('<html><head><title>LON-CAPA Move source to construction space</title>');
! 96: $r->print(&Apache::loncommon::bodytag('Copying Source'));
! 97: my $result = &Apache::loncfile::exists($uname, $udom, $path_to_new_file);
! 98: $r->print($result);
! 99: if(($result) && ($result =~ m|published|) ) {
! 100: &delete_file($r, $author_name, $newpath, $filename, $path_to_new_file, '1');
! 101: } elsif(($result) && ($result =~ m|exists!|)) {
! 102: &confirm($r, $author_name, $newpath, $filename, $path_to_new_file);
! 103: } else {
! 104: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
! 105: }
! 106:
! 107: return OK;
! 108:
! 109: }
! 110:
! 111: sub confirm {
! 112: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
! 113: $r->print("<b>Press delete to remove file and replace it with a copy of the source you are viewing</b><br /><br />");
! 114: $r->print(' <form name="delete_confirm" action="/adm/source/" target="_parent" method="post">
! 115: <input type="hidden" name="filename" value="'.$filename.'" />
! 116: <input type="hidden" name="path" value="'.$path_to_new_file.'" />
! 117: <input type="hidden" name="author" value="'.$author_name.'" />
! 118: <input type="hidden" name="newpath" value="'.$newpath.'" />
! 119: <input type="hidden" name="action" value="delete_confirm" />
! 120:
! 121: <input type="submit" value="Delete" />
! 122: </form>');
! 123: }
! 124:
! 125: sub delete_file {
! 126: my ($r, $author_name, $newpath, $filename, $path_to_new_file, $type) = @_;
! 127: if($type eq '1') {
! 128: $r->print("<b>Cannot delete non-obsolete published file</b><br />Please
! 129: use the code view in previous window to use shared code<br /><br />");
! 130: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()">');
! 131: } else {
! 132: if(-e $path_to_new_file) {
! 133: unless(unlink($path_to_new_file)) {
! 134: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
! 135: return 0;
! 136: }
! 137: } else {
! 138: $r->print('<p> '.&mt('No such file').'. </p></form>');
! 139: return 0;
! 140: }
! 141: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
! 142: }
1.1 taceyjo1 143: }
144:
1.4 ! taceyjo1 145: sub copy_file {
! 146: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
! 147: $r->print("<b>Creating directories</b>");
! 148: my $path = '/home/'.$author_name.'/public_html/';
! 149: my @directories = split(/\//,$newpath);
! 150: foreach my $now_checking (@directories) {
! 151: if($now_checking ne '') {
! 152: $path = $path.'/'.$now_checking;
! 153: if(-e $path) {} #More moving along, isn't recursion fun'
! 154: else {
! 155: unless(mkdir($path, 02770)) {
! 156: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
! 157: return 0;
! 158: }
! 159: unless(chmod(02770, ($path))) {
! 160: $r->print('<font color="red"> '.&mt('Error').': '.$!.'</font>');
! 161: return 0;
! 162: }
! 163: }
! 164: } else { } #Just move along
! 165: }
! 166: $r->print("<br /><b>Copying File</b>");
! 167: my $problem_filename = "/home/httpd/html".$filename;
! 168: my $file_output = &Apache::lonnet::getfile($problem_filename);
! 169: my $fs=Apache::File->new(">$path_to_new_file");
! 170: if (defined($fs)) {
! 171: print $fs $file_output;
! 172: }
! 173: $r->print("<br /><br />");
! 174: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()">');
! 175: #Some 1.3'ish feature is to include the derivative feature, will go here..'
! 176: }
! 177:
1.1 taceyjo1 178: sub print_item {
1.4 ! taceyjo1 179: my ($r, $filename) = @_;
! 180: $filename = "/home/httpd/html".$filename;
! 181: &Apache::lonnet::logthis("print_item filename = $filename");
! 182: my $file_output = &Apache::lonnet::getfile($filename);
! 183: my $count=0;
! 184: my $maxlength=-1;
! 185: foreach (split ("\n", $file_output)) {
! 186: $count+=int(length($_)/79);
! 187: $count++;
! 188: if (length($_) > $maxlength) { $maxlength = length($_); }
! 189: }
! 190: my $rows = $count;
! 191: my $cols = $maxlength;
! 192: $r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.
! 193: &HTML::Entities::encode($file_output,'<>&"').'</textarea>');
! 194: return OK;
1.1 taceyjo1 195:
196: }
197:
198:
199: sub handler {
1.2 albertel 200: my $r=shift;
1.3 www 201: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.4 ! taceyjo1 202: ['filename','listname']);
1.3 www 203: my $filename = $ENV{'form.filename'};
1.4 ! taceyjo1 204: my $listname = $ENV{'form.listname'};
1.3 www 205: my $source = &Apache::lonnet::metadata($filename,'sourceavail');
206: if ($source ne 'open') {
1.4 ! taceyjo1 207: $ENV{'user.error.msg'}="$filename:cre:1:1:Source code not available";
! 208: return HTTP_NOT_ACCEPTABLE;
1.3 www 209: }
1.4 ! taceyjo1 210: if ((!&Apache::lonnet::allowed('cre',$filename)) ||
! 211: (!&Apache::lonnet::allowed('bre',$filename))) {
! 212: $ENV{'user.error.msg'}="$filename:bre:1:1:Access to resource denied";
! 213: return HTTP_NOT_ACCEPTABLE;
1.3 www 214: }
215: if ($ENV{'form.action'} eq 'stage2') {
1.4 ! taceyjo1 216: my $author = &Apache::lonnet::metadata($filename,'authorspace');
! 217: $author =~ m|@|;
! 218: $author = $`; #This just tells who the author name is for later processing.
! 219: &stage_2($r, $ENV{'form.filename'}, $author, $listname);
! 220: } elsif($ENV{'form.action'} eq 'copy_stage') {
! 221: ©_stage($r, $filename,$ENV{'form.listname'},$ENV{'form.newpath'});
! 222: } elsif($ENV{'form.action'} eq 'delete_confirm') {
! 223: &Apache::loncommon::content_type($r,'text/html');
! 224: $r->send_http_header;
! 225: &delete_file($r, $ENV{'form.author'}, $ENV{'form.newpath'}, $ENV{'form.filename'}, $ENV{'form.path'}, '0');
! 226: } else {
! 227: &Apache::loncommon::content_type($r,'text/html');
! 228: $r->send_http_header;
! 229: $r->print(' <form name="copy" action="/adm/source/" target="_parent" method="post">
1.1 taceyjo1 230: <input type="button" value="Close Window" name="close" onClick="window.close()">
231: <input type="hidden" name="filename" value="'.$filename.'" />
1.4 ! taceyjo1 232: <input type="hidden" name="listname" value="'.$listname.'" />
1.1 taceyjo1 233: <input type="hidden" name="action" value="stage2" />
234: <input type="submit" value="Copy to CSTR" />
235: </form>');
1.4 ! taceyjo1 236: $r->print('<hr />');
! 237: &print_item($r, $ENV{'form.filename'});
! 238: }
1.2 albertel 239: return OK;
1.1 taceyjo1 240: }
241:
242: 1;
243:
1.2 albertel 244:
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