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: # 04/05,04/09,05/25 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: use Apache::loncacc;
27:
28: sub upfile_store {
29: my $r=shift;
30:
31: my $fname=$ENV{'form.upfile.filename'};
32: $fname=~s/\W//g;
33:
34: chop($ENV{'form.upfile'});
35:
36: my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.
37: '_upload_'.$fname.'_'.time.'_'.$$;
38: {
39: my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').
40: '/tmp/'.$datatoken.'.tmp');
41: print $fh $ENV{'form.upfile'};
42: }
43: return $datatoken;
44: }
45:
46:
47: sub phaseone {
48: my ($r,$fn,$uname,$udom)=@_;
49: $fn=~s/\/[^\/]+$//;
50: $fn=~s/([^\/])$/$1\//;
51: $fn.=$ENV{'form.upfile.filename'};
52: $fn=~s/^\///;
53: $fn=~s/(\/)+/\//g;
54:
55: if (($fn) && ($fn!~/\/$/)) {
56: $r->print(
57: '<form action=/adm/upload method=post>'.
58: '<input type=hidden name=phase value=two>'.
59: '<input type=hidden name=datatoken value="'.&upfile_store.'">'.
60: 'Store uploaded file as '.
61: '<input type=text size=50 name=filename value="/priv/'.
62: $uname.'/'.$fn.'"><br>'.
63: '<input type=submit value="Store"></form>');
64: } else {
65: $r->print('<font color=red>Illegal filename.</font>');
66: }
67: }
68:
69: sub phasetwo {
70: my ($r,$fn,$uname,$udom)=@_;
71: my $tfn=$fn;
72: $tfn=~s/^\/(\~|priv)\/(\w+)//;
73: my $target='/home/'.$uname.'/public_html'.$tfn;
74: my $datatoken=$ENV{'form.datatoken'};
75: if (($fn) && ($datatoken)) {
76: if ((-e $target) && ($ENV{'form.override'} ne 'Yes')) {
77: $r->print(
78: '<form action=/adm/upload method=post>'.
79: 'File <tt>'.$fn.'</tt> exists. Overwrite? '.
80: '<input type=hidden name=phase value=two>'.
81: '<input type=hidden name=filename value="'.$fn.'">'.
82: '<input type=hidden name=datatoken value="'.$datatoken.'">'.
83: '<input type=submit name=override value="Yes"></form>');
84: } else {
85: my $source=$r->dir_config('lonDaemons').
86: '/tmp/'.$datatoken.'.tmp';
87: if (copy($source,$target)) {
88: $r->print('File copied.');
89: $r->print('<p><font size=+2><a href="'.$fn.
90: '">View file</a></font>');
91: } else {
92: $r->print('Failed to copy: '.$!);
93: }
94: }
95: } else {
96: $r->print(
97: '<font size=+1 color=red>Please pick a filename</font><p>');
98: &phaseone($r,$fn,$uname,$udom);
99: }
100: }
101:
102: sub handler {
103:
104: my $r=shift;
105:
106: my $uname;
107: my $udom;
108:
109: unless (($uname,$udom)=
110: &Apache::loncacc::constructaccess(
111: $ENV{'form.filename'},$r->dir_config('lonDefDomain'))) {
112: $r->log_reason($uname.' at '.$udom.
113: ' trying to publish file '.$ENV{'form.filename'}.
114: ' - not authorized',
115: $r->filename);
116: return HTTP_NOT_ACCEPTABLE;
117: }
118:
119: my $fn;
120:
121: if ($ENV{'form.filename'}) {
122: $fn=$ENV{'form.filename'};
123: $fn=~s/^http\:\/\/[^\/]+\/(\~|priv\/)(\w+)//;
124: } else {
125: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
126: ' unspecified filename for upload', $r->filename);
127: return HTTP_NOT_FOUND;
128: }
129:
130: # ----------------------------------------------------------- Start page output
131:
132:
133: $r->content_type('text/html');
134: $r->send_http_header;
135:
136: $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
137:
138: $r->print(
139: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
140:
141:
142: $r->print('<h1>Upload file to Construction Space</h1>');
143:
144: if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
145: $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.
146: '</font></h3>');
147: }
148:
149:
150: if ($ENV{'form.phase'} eq 'two') {
151: &phasetwo($r,$fn,$uname,$udom);
152: } else {
153: &phaseone($r,$fn,$uname,$udom);
154: }
155:
156: $r->print('</body></html>');
157: return OK;
158: }
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