Annotation of loncom/publisher/lonupload.pm, revision 1.1
1.1 ! www 1: # The LearningOnline Network with CAPA
! 2: # Handler to upload files into construction space
! 3: #
! 4: # (Handler to retrieve an old version of a file
! 5: #
! 6: # (Publication Handler
! 7: #
! 8: # (TeX Content Handler
! 9: #
! 10: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
! 11: #
! 12: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
! 13: # 03/23 Guy Albertelli
! 14: # 03/24,03/29 Gerd Kortemeyer)
! 15: #
! 16: # 03/31,04/03 Gerd Kortemeyer)
! 17: #
! 18: # 04/05 Gerd Kortemeyer
! 19:
! 20: package Apache::lonupload;
! 21:
! 22: use strict;
! 23: use Apache::File;
! 24: use File::Copy;
! 25: use Apache::Constants qw(:common :http :methods);
! 26:
! 27: sub phaseone {
! 28: my ($r,$fn,$uname,$udom)=@_;
! 29: my $docroot=$r->dir_config('lonDocRoot');
! 30:
! 31: my $urldir='/res/'.$udom.'/'.$uname.$fn;
! 32: $urldir=~s/\/[^\/]+$/\//;
! 33:
! 34: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
! 35: my $resdir=$resfn;
! 36: $resdir=~s/\/[^\/]+$/\//;
! 37:
! 38: $fn=~/^\/(.+)\.(\w+)$/;
! 39: my $main=$1;
! 40: my $suffix=$2;
! 41:
! 42: $r->print('<form action=/adm/retrieve method=post>'.
! 43: '<input type=hidden name=filename value="'.$fn.'">'.
! 44: '<input type=hidden name=phase value=two>'.
! 45: '<table border=2><tr><th>Select</th><th>Version</th>'.
! 46: '<th>Became this version on ...</th>'.
! 47: '<th>Metadata</th></tr>');
! 48: my $filename;
! 49: opendir(DIR,$resdir);
! 50: while ($filename=readdir(DIR)) {
! 51: if ($filename=~/^$main\.(\d+)\.$suffix$/) {
! 52: my $version=$1;
! 53: my ($rdev,$rino,$rmode,$rnlink,
! 54: $ruid,$rgid,$rrdev,$rsize,
! 55: $ratime,$rmtime,$rctime,
! 56: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
! 57: $r->print('<tr><td><input type=radio name=version value="'.
! 58: $version.'"></td><th>'.$version.'</th><td>'.
! 59: localtime($rmtime).'</td><td>'.
! 60: '<a href="'.$urldir.$filename.'.meta" target=cat>'.
! 61: 'Metadata Version '.$version.'</a></td></tr>');
! 62: }
! 63: }
! 64: closedir(DIR);
! 65: my ($rdev,$rino,$rmode,$rnlink,
! 66: $ruid,$rgid,$rrdev,$rsize,
! 67: $ratime,$rmtime,$rctime,
! 68: $rblksize,$rblocks)=stat($resfn);
! 69: $r->print('<tr><td><input type=radio name=version value="new"></td>'.
! 70: '<th>Current</th><td>'.localtime($rmtime).
! 71: '</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'.
! 72: 'Metadata current version</a></td></tr></table><p>'.
! 73: '<font size=+1 color=red>Retrieval of an old version will '.
! 74: 'overwrite the file currently in construction space</font><p>'.
! 75: '<input type=submit value="Retrieve version"></form>');
! 76: }
! 77:
! 78: sub phasetwo {
! 79: my ($r,$fn,$uname,$udom)=@_;
! 80: if ($ENV{'form.version'}) {
! 81: my $version=$ENV{'form.version'};
! 82: if ($version eq 'new') {
! 83: $r->print('<h3>Retrieving current (most recent) version</h3>');
! 84: } else {
! 85: $r->print('<h3>Retrieving old version '.$version.'</h3>');
! 86: }
! 87: my $logfile;
! 88: my $ctarget='/home/'.$uname.'/public_html'.$fn;
! 89: my $vfn=$fn;
! 90: if ($version ne 'new') {
! 91: $vfn=~s/\.(\w+)$/\.$version\.$1/;
! 92: }
! 93: my $csource=$r->dir_config('lonDocRoot').'/res/'.$udom.'/'.$uname.$vfn;
! 94: unless ($logfile=Apache::File->new('>>'.$ctarget.'.log')) {
! 95: $r->print(
! 96: '<font color=red>No write permission to user directory, FAIL</font>');
! 97: }
! 98: print $logfile
! 99: "\n\n================= Retrieve ".localtime()." ================\n".
! 100: "Version: $version\nSource: $csource\nTarget: $ctarget\n";
! 101: $r->print('<p>Copying file: ');
! 102: if (copy($csource,$ctarget)) {
! 103: $r->print('ok<p>');
! 104: print $logfile "Copied sucessfully.\n\n";
! 105: } else {
! 106: my $error=$!;
! 107: $r->print('fail, '.$error.'<p>');
! 108: print $logfile "Copy failed: $error\n\n";
! 109: }
! 110: $r->print('<font size=+2><a href="/priv/'.$uname.$fn.
! 111: '">Back to '.$fn.'</a></font>');
! 112: } else {
! 113: $r->print(
! 114: '<font size=+1 color=red>Please pick a version to retrieve</font><p>');
! 115: &phaseone($r,$fn,$uname,$udom);
! 116: }
! 117: }
! 118:
! 119: sub handler {
! 120:
! 121: my $r=shift;
! 122:
! 123: my $fn;
! 124:
! 125: if ($ENV{'form.filename'}) {
! 126: $fn=$ENV{'form.filename'};
! 127: $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)//;
! 128: } else {
! 129: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
! 130: ' unspecified filename for retrieval', $r->filename);
! 131: return HTTP_NOT_FOUND;
! 132: }
! 133:
! 134: unless ($fn) {
! 135: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
! 136: ' trying to retrieve non-existing file', $r->filename);
! 137: return HTTP_NOT_FOUND;
! 138: }
! 139:
! 140: # ----------------------------------------------------------- Start page output
! 141:
! 142: my $uname=$ENV{'user.name'};
! 143: my $udom=$ENV{'user.domain'};
! 144:
! 145: $r->content_type('text/html');
! 146: $r->send_http_header;
! 147:
! 148: $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
! 149:
! 150: $r->print(
! 151: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
! 152:
! 153:
! 154: $r->print('<h1>Retrieve previous versions of <tt>'.$fn.'</tt></h1>');
! 155:
! 156: if ($ENV{'form.phase'} eq 'two') {
! 157: &phasetwo($r,$fn,$uname,$udom);
! 158: } else {
! 159: &phaseone($r,$fn,$uname,$udom);
! 160: }
! 161:
! 162: $r->print('</body></html>');
! 163: return OK;
! 164: }
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