Annotation of loncom/publisher/loncfile.pm, revision 1.2
1.1 www 1: # The LearningOnline Network with CAPA
2: # Handler to rename files, etc, in 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: # 03/31,04/03,05/02,05/09,06/23 Gerd Kortemeyer)
17: #
18: # 06/23 Gerd Kortemeyer
19:
20: package Apache::loncfile;
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 phaseone {
29: my ($r,$fn,$uname,$udom)=@_;
30: my $docroot=$r->dir_config('lonDocRoot');
31:
32: my $urldir='/res/'.$udom.'/'.$uname.$fn;
33: $urldir=~s/\/[^\/]+$/\//;
34:
35: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
36: my $resdir=$resfn;
37: $resdir=~s/\/[^\/]+$/\//;
38:
39: $fn=~/\/([^\/]+)\.(\w+)$/;
40: my $main=$1;
41: my $suffix=$2;
42:
43: if (-e $resfn) {
44: $r->print('<form action=/adm/retrieve method=post>'.
45: '<input type=hidden name=filename value="/~'.$uname.$fn.'">'.
46: '<input type=hidden name=phase value=two>'.
47: '<table border=2><tr><th>Select</th><th>Version</th>'.
48: '<th>Became this version on ...</th>'.
49: '<th>Metadata</th></tr>');
50: my $filename;
51: opendir(DIR,$resdir);
52: while ($filename=readdir(DIR)) {
53: if ($filename=~/^$main\.(\d+)\.$suffix$/) {
54: my $version=$1;
55: my ($rdev,$rino,$rmode,$rnlink,
56: $ruid,$rgid,$rrdev,$rsize,
57: $ratime,$rmtime,$rctime,
58: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
59: $r->print('<tr><td><input type=radio name=version value="'.
60: $version.'"></td><th>'.$version.'</th><td>'.
61: localtime($rmtime).'</td><td>'.
62: '<a href="'.$urldir.$filename.'.meta" target=cat>'.
63: 'Metadata Version '.$version.'</a>');
64: if (&Apache::lonnet::fileembstyle($suffix) eq 'ssi') {
65: $r->print(
66: ' <a target=cat href="/adm/diff?filename=/~'.
67: $uname.$fn.
68: '&versionone=priv&versiontwo='.$version.
69: '">Diffs with Version '.$version.'</a>');
70: }
71: $r->print('</a></td></tr>');
72: }
73: }
74: closedir(DIR);
75: my ($rdev,$rino,$rmode,$rnlink,
76: $ruid,$rgid,$rrdev,$rsize,
77: $ratime,$rmtime,$rctime,
78: $rblksize,$rblocks)=stat($resfn);
79: $r->print('<tr><td><input type=radio name=version value="new"></td>'.
80: '<th>Current</th><td>'.localtime($rmtime).
81: '</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'.
82: 'Metadata current version</a>');
83: if (&Apache::lonnet::fileembstyle($suffix) eq 'ssi') {
84: $r->print(
85: ' <a target=cat href="/adm/diff?filename=/~'.
86: $uname.$fn.
87: '&versionone=priv'.
88: '">Diffs with current Version</a>');
89: }
90: $r->print('</td></tr></table><p>'.
91: '<font size=+1 color=red>Retrieval of an old version will '.
92: 'overwrite the file currently in construction space</font><p>'.
93: '<input type=submit value="Retrieve version"></form>');
94: } else {
95: $r->print('<h3>No previous versions published.</h3>');
96: }
97: }
98:
99: sub phasetwo {
100: my ($r,$fn,$uname,$udom)=@_;
101: if ($ENV{'form.version'}) {
102: my $version=$ENV{'form.version'};
103: if ($version eq 'new') {
104: $r->print('<h3>Retrieving current (most recent) version</h3>');
105: } else {
106: $r->print('<h3>Retrieving old version '.$version.'</h3>');
107: }
108: my $logfile;
109: my $ctarget='/home/'.$uname.'/public_html'.$fn;
110: my $vfn=$fn;
111: if ($version ne 'new') {
112: $vfn=~s/\.(\w+)$/\.$version\.$1/;
113: }
114: my $csource=$r->dir_config('lonDocRoot').'/res/'.$udom.'/'.$uname.$vfn;
115: unless ($logfile=Apache::File->new('>>'.$ctarget.'.log')) {
116: $r->print(
117: '<font color=red>No write permission to user directory, FAIL</font>');
118: }
119: print $logfile
120: "\n\n================= Retrieve ".localtime()." ================\n".
121: "Version: $version\nSource: $csource\nTarget: $ctarget\n";
122: $r->print('<p>Copying file: ');
123: if (copy($csource,$ctarget)) {
124: $r->print('ok<p>');
125: print $logfile "Copied sucessfully.\n\n";
126: } else {
127: my $error=$!;
128: $r->print('fail, '.$error.'<p>');
129: print $logfile "Copy failed: $error\n\n";
130: }
131: $r->print('<font size=+2><a href="/priv/'.$uname.$fn.
132: '">Back to '.$fn.'</a></font>');
133: } else {
134: $r->print(
135: '<font size=+1 color=red>Please pick a version to retrieve</font><p>');
136: &phaseone($r,$fn,$uname,$udom);
137: }
138: }
139:
140: sub handler {
141:
142: my $r=shift;
143:
144: my $fn;
145:
146: if ($ENV{'form.filename'}) {
147: $fn=$ENV{'form.filename'};
148: $fn=~s/^http\:\/\/[^\/]+//;
149: } else {
150: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
151: ' unspecified filename for cfile', $r->filename);
152: return HTTP_NOT_FOUND;
153: }
154:
155: unless ($fn) {
156: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
157: ' trying to cfile non-existing file', $r->filename);
158: return HTTP_NOT_FOUND;
159: }
160:
161: # ----------------------------------------------------------- Start page output
162: my $uname;
163: my $udom;
164:
165: ($uname,$udom)=
166: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
167: unless (($uname) && ($udom)) {
168: $r->log_reason($uname.' at '.$udom.
169: ' trying to publish file '.$ENV{'form.filename'}.
170: ' ('.$fn.') - not authorized',
171: $r->filename);
172: return HTTP_NOT_ACCEPTABLE;
173: }
174:
175: $fn=~s/\/\~(\w+)//;
176:
177: $r->content_type('text/html');
178: $r->send_http_header;
179:
180: $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
181:
182: $r->print(
183: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
184:
185:
186: $r->print('<h1>Construction Space <tt>'.$fn.'</tt></h1>');
187:
188: if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
189: $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.
190: '</font></h3>');
191: }
192:
1.2 ! www 193: if ($ENV{'form.action'} eq 'delete') {
! 194: $r->print('<h3>Delete</h3>');
! 195: } elsif ($ENV{'form.action'} eq 'rename') {
! 196: $r->print('<h3>Rename</h3>');
! 197: } elsif ($ENV{'form.action'} eq 'newdir') {
! 198: $r->print('<h3>New Directory</h3>');
! 199: } elsif ($ENV{'form.action'} eq 'copy') {
! 200: $r->print('<h3>Copy</h3>');
! 201: } else {
! 202: $r->print('<p>Unknown Action</body></html>');
! 203: return OK;
! 204: }
1.1 www 205: if ($ENV{'form.phase'} eq 'two') {
206: # &phasetwo($r,$fn,$uname,$udom);
207: } else {
208: # &phaseone($r,$fn,$uname,$udom);
209: }
210:
211: $r->print('</body></html>');
212: return OK;
213: }
214:
215: 1;
216: __END__
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