loncom/interface/lonsource.pm - view

File: [LON-CAPA] / loncom / interface / lonsource.pm
Revision 1.9: download - view: text, annotated - select for diffs
Thu Feb 17 08:29:43 2005 UTC (19 years, 3 months ago) by albertel
Branches: MAIN
CVS tags: HEAD

- <html> -> &Apache::lonxml::xmlbegin, thus valid doctypes are now getting output, Yeah! StandardsCmpliance

- backing out the encoding changes for now

- some xhtml cleanups
- one icon -> lonhttpd

1: # The LearningOnline Network with CAPA 2: # Souce Code handler 3: # 4: # $Id: lonsource.pm,v 1.9 2005/02/17 08:29:43 albertel Exp $ 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 { 45: my ($filename, $listname) = @_; 46: my $sourcelink = "http://".$ENV{'SERVER_NAME'}. 47: "/adm/source/?filename=".$filename."&listname=".$listname; 48: 49: return $sourcelink; 50: } 51: 52: sub stage_2 { 53: my ($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: my $html=&Apache::lonxml::xmlbegin(); 59: $r->print($html.'<head><title>LON-CAPA Move source to construction space</title>'); 60: $r->print(&Apache::loncommon::bodytag('Problem source code moving operation')); 61: $r->print("Please enter the directory that you would like the source code to go into, a default has also been provided <br />"); 62: $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 />"); 63: $r->print('<form name="copy" action="/adm/source/" target="_parent" method="post"> 64: <input type="hidden" name="filename" value="'.$filename.'" /> 65: <input type="hidden" name="listname" value="'.$listname.'" /> 66: <input type="hidden" name="action" value="copy_stage" /> 67: <input type="text" name="newpath" value="/shared_source/'.$author.'" />  68: <input type="submit" value="Copy" /> 69: </form>'); 70: return OK; 71: } 72: 73: 74: sub copy_stage { 75: my ($r, $filename, $listname, $newpath) = @_; 76: my $role; 77: my $domain; 78: my $author_name; 79: #Figure out if we are author or co-author 80: 81: if($ENV{'request.role'} =~ m|ca.|) { 82: ($role, $domain, $author_name) = split(/\//,$ENV{'request.role'}); 83: } else { 84: $role = "au."; 85: $domain = $ENV{'user.domain'}; 86: $author_name = $ENV{'user.name'}; 87: } 88: 89: my $path_to_new_file = '/home/'.$author_name.'/public_html/'.$newpath.'/'.$listname; 90: #Just checking again for access as we want to make sure that it is really ok now that we have the real path 91: 92: my ($uname,$udom)= &Apache::loncacc::constructaccess($path_to_new_file,$domain); 93: unless (($uname) && ($udom)) { 94: return HTTP_NOT_ACCEPTABLE; 95: } 96: &Apache::loncommon::content_type($r,'text/html'); 97: $r->send_http_header; 98: my $html=&Apache::lonxml::xmlbegin(); 99: $r->print($html.'<head><title>LON-CAPA Move source to construction space</title>'); 100: $r->print(&Apache::loncommon::bodytag('Copying Source')); 101: my $result = &Apache::loncfile::exists($uname, $udom, $path_to_new_file); 102: $r->print($result); 103: if(($result) && ($result =~ m|published|) ) { 104: &delete_copy_file($r, $author_name, $newpath, $filename, $path_to_new_file, '1'); 105: } elsif(($result) && ($result =~ m|exists!|)) { 106: &confirm($r, $author_name, $newpath, $filename, $path_to_new_file); 107: } else { 108: &copy_file($r, $author_name, $newpath, $filename, $path_to_new_file); 109: } 110: 111: return OK; 112: 113: } 114: 115: sub confirm { 116: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_; 117: $r->print("<b>Press delete to remove file and replace it with a copy of the source you are viewing</b><br /><br / >"); 118: $r->print('<form name="delete_confirm" action="/adm/source/" target="_parent" method="post"> 119: <input type="hidden" name="filename" value="'.$filename.'" /> 120: <input type="hidden" name="path" value="'.$path_to_new_file.'" /> 121: <input type="hidden" name="author" value="'.$author_name.'" /> 122: <input type="hidden" name="newpath" value="'.$newpath.'" /> 123: <input type="hidden" name="action" value="delete_confirm" /> 124: 125: <input type="submit" value="Delete" /> 126: </form>'); 127: } 128: 129: sub delete_copy_file { 130: my ($r, $author_name, $newpath, $filename, $path_to_new_file, $type) = @_; 131: if($type eq '1') { 132: $r->print("<b>Cannot delete non-obsolete published file</b><br />Please 133: use the code view in previous window to use shared code<br /><br />"); 134: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()" />'); 135: } else { 136: if(-e $path_to_new_file) { 137: unless(unlink($path_to_new_file)) { 138: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>'); 139: return 0; 140: } 141: } else { 142: $r->print('<p> '.&mt('No such file').'. </p></form>'); 143: return 0; 144: } 145: &copy_file($r, $author_name, $newpath, $filename, $path_to_new_file); 146: } 147: } 148: 149: sub copy_file { 150: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_; 151: $r->print("<b>Creating directories</b>"); 152: my $path = '/home/'.$author_name.'/public_html/'; 153: my @directories = split(/\//,$newpath); 154: foreach my $now_checking (@directories) { 155: if($now_checking ne '') { 156: $path = $path.'/'.$now_checking; 157: if(-e $path) {} #More moving along, isn't recursion fun' 158: 159: else { 160: unless(mkdir($path, 02770)) { 161: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>'); 162: return 0; 163: } 164: unless(chmod(02770, ($path))) { 165: $r->print('<font color="red"> '.&mt('Error').': '.$!.'</font>'); 166: return 0; 167: } 168: } 169: } else { } #Just move along 170: 171: } 172: $r->print("<br /><b>Copying File</b>"); 173: my $problem_filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename; 174: my $file_output = &Apache::lonnet::getfile($problem_filename); 175: my $fs=Apache::File->new(">$path_to_new_file"); 176: if (defined($fs)) { 177: print $fs $file_output; 178: } 179: $r->print("<br /><br />"); 180: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()">'); 181: #Some 1.3'ish feature is to include the derivative feature, will go here..' 182: } 183: 184: sub print_item { 185: my ($r, $filename) = @_; 186: $filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename; 187: &Apache::lonnet::logthis("print_item filename = $filename"); 188: my $file_output = &Apache::lonnet::getfile($filename); 189: my $count=0; 190: my $maxlength=-1; 191: foreach (split ("\n", $file_output)) { 192: $count+=int(length($_)/79); 193: $count++; 194: if (length($_) > $maxlength) { 195: $maxlength = length($_); 196: } 197: } 198: my $rows = $count; 199: my $cols = $maxlength; 200: $r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'. 201: &HTML::Entities::encode($file_output,'<>&"').'</textarea>'); 202: return OK; 203: 204: } 205: 206: 207: sub handler { 208: my $r=shift; 209: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 210: ['filename','listname']); 211: my $filename = $ENV{'form.filename'}; 212: my $listname = $ENV{'form.listname'}; 213: my $source = &Apache::lonnet::metadata($filename,'sourceavail'); 214: if ($source ne 'open') { 215: $ENV{'user.error.msg'}="$filename:cre:1:1:Source code not available"; 216: return HTTP_NOT_ACCEPTABLE; 217: } 218: if ((!&Apache::lonnet::allowed('cre',$filename)) || 219: (!&Apache::lonnet::allowed('bre',$filename))) { 220: $ENV{'user.error.msg'}="$filename:bre:1:1:Access to resource denied"; 221: return HTTP_NOT_ACCEPTABLE; 222: } 223: if ($ENV{'form.action'} eq 'stage2') { 224: my $author = &Apache::lonnet::metadata($filename,'authorspace'); 225: $author =~ m|@|; 226: $author = $`; #This just tells who the author name is for later processing. 227: &stage_2($r, $ENV{'form.filename'}, $author, $listname); 228: } elsif($ENV{'form.action'} eq 'copy_stage') { 229: &copy_stage($r, $filename,$ENV{'form.listname'},$ENV{'form.newpath'}); 230: } elsif($ENV{'form.action'} eq 'delete_confirm') { 231: &Apache::loncommon::content_type($r,'text/html'); 232: $r->send_http_header; 233: &delete_copy_file($r, $ENV{'form.author'}, $ENV{'form.newpath'}, $ENV{'form.filename'}, $ENV{'form.path'}, '0'); 234: } else { 235: &Apache::loncommon::content_type($r,'text/html'); 236: $r->send_http_header; 237: $r->print('<form name="copy" action="/adm/source/" target="_parent" method="post"> 238: <input type="button" value="Close Window" name="close" onClick="window.close()" /> 239: <input type="hidden" name="filename" value="'.$filename.'" /> 240: <input type="hidden" name="listname" value="'.$listname.'" /> 241: <input type="hidden" name="action" value="stage2" /> 242: <input type="submit" value="Copy to CSTR" /> 243: </form>'); 244: $r->print('<hr />'); 245: &print_item($r, $ENV{'form.filename'}); 246: } 247: return OK; 248: } 249: 250: 1; 251: 252: