img: add support for objects too
[ikiwiki] / ikiwiki-transition.in
1 #!/usr/bin/perl
2 no lib '.';
3 use warnings;
4 use strict;
5 use FindBin; use lib $FindBin::Bin; # For use in nonstandard directory, munged by Makefile.
6 use IkiWiki;
7 use HTML::Entities;
8
9 my $regex = qr{
10         (\\?)           # 1: escape?
11         \[\[(!?)        # directive open; 2: optional prefix
12         ([-\w]+)        # 3: command
13         (               # 4: the parameters (including initial whitespace)
14         \s+
15                 (?:
16                         (?:[-\w]+=)?            # named parameter key?
17                         (?:
18                                 """.*?"""       # triple-quoted value
19                                 |
20                                 "[^"]+"         # single-quoted value
21                                 |
22                                 [^\s\]]+        # unquoted value
23                         )
24                         \s*                     # whitespace or end
25                                                 # of directive
26                 )
27         *)              # 0 or more parameters
28         \]\]            # directive closed
29 }sx;
30
31 sub handle_directive {
32         my $escape = shift;
33         my $prefix = shift;
34         my $directive = shift;
35         my $args = shift;
36
37         if (length $escape) {
38                 return "${escape}[[${prefix}${directive}${args}]]"
39         }
40         if ($directive =~ m/^(if|more|table|template|toggleable)$/) {
41                 $args =~ s{$regex}{handle_directive($1, $2, $3, $4)}eg;
42         }
43         return "[[!${directive}${args}]]"
44 }
45
46 sub prefix_directives {
47         loadsetup(shift);
48
49         IkiWiki::loadplugins();
50         IkiWiki::checkconfig();
51         IkiWiki::loadindex();
52
53         if (! %pagesources) {
54                 error "ikiwiki has not built this wiki yet, cannot transition";
55         }
56
57         foreach my $page (values %pagesources) {
58                 next unless defined pagetype($page) &&
59                             -f $config{srcdir}."/".$page;
60                 my $content=readfile($config{srcdir}."/".$page);
61                 my $oldcontent=$content;
62                 $content=~s{$regex}{handle_directive($1, $2, $3, $4)}eg;
63                 if ($oldcontent ne $content) {
64                         writefile($page, $config{srcdir}, $content);
65                 }
66         }
67 }
68
69 sub indexdb {
70         setstatedir(shift);
71
72         # Note: No lockwiki here because ikiwiki already locks it
73         # before calling this.  
74         if (! IkiWiki::oldloadindex()) {
75                 die "failed to load index\n";
76         }
77         if (! IkiWiki::saveindex()) {
78                 die "failed to save indexdb\n"
79         }
80         if (! IkiWiki::loadindex()) {
81                 die "transition failed, cannot load new indexdb\n";
82         }
83         if (! unlink("$config{wikistatedir}/index")) {
84                 die "unlink failed: $!\n";
85         }
86 }
87
88 sub hashpassword {
89         setstatedir(shift);
90
91         eval q{use IkiWiki::UserInfo};
92         eval q{use Authen::Passphrase::BlowfishCrypt};
93         if ($@) {
94                 error("ikiwiki-transition hashpassword: failed to load Authen::Passphrase, passwords not hashed");
95         }
96
97         IkiWiki::lockwiki();
98         IkiWiki::loadplugin("passwordauth");
99         my $userinfo = IkiWiki::userinfo_retrieve();
100         foreach my $user (keys %{$userinfo}) {
101                 if (ref $userinfo->{$user} &&
102                     exists $userinfo->{$user}->{password} &&
103                     length $userinfo->{$user}->{password} &&
104                     ! exists $userinfo->{$user}->{cryptpassword}) {
105                         IkiWiki::Plugin::passwordauth::setpassword($user, $userinfo->{$user}->{password});
106                 }
107         }
108 }
109
110 sub aggregateinternal {
111         loadsetup(shift);
112         require IkiWiki::Plugin::aggregate;
113         IkiWiki::checkconfig();
114         IkiWiki::Plugin::aggregate::migrate_to_internal();
115 }
116
117 sub setupformat {
118         my $setup=shift;
119
120         loadsetup($setup);
121         IkiWiki::checkconfig();
122         
123         # unpack old-format wrappers setting into new fields
124         my $cgi_seen=0;
125         my $rcs_seen=0;
126         foreach my $wrapper (@{$config{wrappers}}) {
127                 if ($wrapper->{cgi}) {
128                         if ($cgi_seen) {
129                                 die "don't know what to do with second cgi wrapper ".$wrapper->{wrapper}."\n";
130                         }
131                         $cgi_seen++;
132                         print "setting cgi_wrapper to ".$wrapper->{wrapper}."\n";
133                         $config{cgi_wrapper}=$wrapper->{wrapper};
134                         $config{cgi_wrappermode}=$wrapper->{wrappermode}
135                                 if exists $wrapper->{wrappermode};
136                 }
137                 elsif ($config{rcs}) {
138                         if ($rcs_seen) {
139                                 die "don't know what to do with second rcs wrapper ".$wrapper->{wrapper}."\n";
140                         }
141                         $rcs_seen++;
142                         print "setting $config{rcs}_wrapper to ".$wrapper->{wrapper}."\n";
143                         $config{$config{rcs}."_wrapper"}=$wrapper->{wrapper};
144                         $config{$config{rcs}."_wrappermode"}=$wrapper->{wrappermode}
145                                 if exists $wrapper->{wrappermode};
146                 }
147                 else {
148                         die "don't know what to do with wrapper ".$wrapper->{wrapper}."\n";
149                 }
150         }
151
152         IkiWiki::Setup::dump($setup);
153 }
154
155 sub moveprefs {
156         my $setup=shift;
157
158         loadsetup($setup);
159         IkiWiki::checkconfig();
160
161         eval q{use IkiWiki::UserInfo};
162         error $@ if $@;
163
164         foreach my $field (qw{allowed_attachments locked_pages}) {
165                 my $orig=$config{$field};
166                 foreach my $admin (@{$config{adminuser}}) {
167                         my $a=IkiWiki::userinfo_get($admin, $field);
168                         if (defined $a && length $a &&
169                             # might already have been moved
170                             (! defined $orig || $a ne $orig)) {
171                                 if (defined $config{$field} &&
172                                     length $config{$field}) {
173                                         $config{$field}=IkiWiki::pagespec_merge($config{$field}, $a);
174                                 }
175                                 else {
176                                         $config{$field}=$a;
177                                 }
178                         }
179                 }
180         }
181
182         my %banned=map { $_ => 1 } @{$config{banned_users}}, IkiWiki::get_banned_users();
183         $config{banned_users}=[sort keys %banned];
184
185         IkiWiki::Setup::dump($setup);
186 }
187
188 sub deduplinks {
189         loadsetup(shift);
190         IkiWiki::loadplugins();
191         IkiWiki::checkconfig();
192         IkiWiki::loadindex();
193         foreach my $page (keys %links) {
194                 my %l;
195                 $l{$_}=1 foreach @{$links{$page}};
196                 $links{$page}=[keys %l]
197         }
198         IkiWiki::saveindex();
199 }
200
201 sub setstatedir {
202         my $dirorsetup=shift;
203
204         if (! defined $dirorsetup) {
205                 usage();                
206         }
207
208         if (-d $dirorsetup) {
209                 $config{wikistatedir}=$dirorsetup."/.ikiwiki";
210         }
211         elsif (-f $dirorsetup) {
212                 loadsetup($dirorsetup);
213         }
214         else {
215                 error("ikiwiki-transition: $dirorsetup does not exist");
216         }
217
218         if (! -d $config{wikistatedir}) {
219                 error("ikiwiki-transition: $config{wikistatedir} does not exist");
220         }
221 }
222         
223 sub loadsetup {
224         my $setup=shift;
225         if (! defined $setup) {
226                 usage();
227         }
228
229         require IkiWiki::Setup;
230
231         %config = IkiWiki::defaultconfig();
232         IkiWiki::Setup::load($setup);
233 }
234
235 sub usage {
236         print STDERR "Usage: ikiwiki-transition type ...\n";
237         print STDERR "Currently supported transition subcommands:\n";
238         print STDERR "\tprefix_directives setupfile ...\n";
239         print STDERR "\taggregateinternal setupfile\n";
240         print STDERR "\tsetupformat setupfile\n";
241         print STDERR "\tmoveprefs setupfile\n";
242         print STDERR "\thashpassword setupfile|srcdir\n";
243         print STDERR "\tindexdb setupfile|srcdir\n";
244         print STDERR "\tdeduplinks setupfile\n";
245         exit 1;
246 }
247
248 usage() unless @ARGV;
249
250 my $mode=shift;
251 if ($mode eq 'prefix_directives') {
252         prefix_directives(@ARGV);
253 }
254 elsif ($mode eq 'hashpassword') {
255         hashpassword(@ARGV);
256 }
257 elsif ($mode eq 'indexdb') {
258         indexdb(@ARGV);
259 }
260 elsif ($mode eq 'aggregateinternal') {
261         aggregateinternal(@ARGV);
262 }
263 elsif ($mode eq 'setupformat') {
264         setupformat(@ARGV);
265 }
266 elsif ($mode eq 'moveprefs') {
267         moveprefs(@ARGV);
268 }
269 elsif ($mode eq 'deduplinks') {
270         deduplinks(@ARGV);
271 }
272 else {
273         usage();
274 }
275
276 package IkiWiki;
277
278 # A slightly modified version of the old loadindex function.
279 sub oldloadindex {
280         %oldrenderedfiles=%pagectime=();
281         if (! $config{rebuild}) {
282                 %pagesources=%pagemtime=%oldlinks=%links=%depends=
283                         %destsources=%renderedfiles=%pagecase=%pagestate=();
284         }
285         open (my $in, "<", "$config{wikistatedir}/index") || return;
286         while (<$in>) {
287                 chomp;
288                 my %items;
289                 $items{link}=[];
290                 $items{dest}=[];
291                 foreach my $i (split(/ /, $_)) {
292                         my ($item, $val)=split(/=/, $i, 2);
293                         push @{$items{$item}}, decode_entities($val);
294                 }
295
296                 next unless exists $items{src}; # skip bad lines for now
297
298                 my $page=pagename($items{src}[0]);
299                 if (! $config{rebuild}) {
300                         $pagesources{$page}=$items{src}[0];
301                         $pagemtime{$page}=$items{mtime}[0];
302                         $oldlinks{$page}=[@{$items{link}}];
303                         $links{$page}=[@{$items{link}}];
304                         $depends{$page}={ $items{depends}[0] => $IkiWiki::DEPEND_CONTENT } if exists $items{depends};
305                         $destsources{$_}=$page foreach @{$items{dest}};
306                         $renderedfiles{$page}=[@{$items{dest}}];
307                         $pagecase{lc $page}=$page;
308                         foreach my $k (grep /_/, keys %items) {
309                                 my ($id, $key)=split(/_/, $k, 2);
310                                 $pagestate{$page}{decode_entities($id)}{decode_entities($key)}=$items{$k}[0];
311                         }
312                 }
313                 $oldrenderedfiles{$page}=[@{$items{dest}}];
314                 $pagectime{$page}=$items{ctime}[0];
315         }
316
317         # saveindex relies on %hooks being populated, else it won't save
318         # the page state owned by a given hook. But no plugins are loaded
319         # by this program, so populate %hooks with all hook ids that
320         # currently have page state.
321         foreach my $page (keys %pagemtime) {
322                 foreach my $id (keys %{$pagestate{$page}}) {
323                         $hooks{_dummy}{$id}=1;
324                 }
325         }
326         
327         return close($in);
328 }
329
330 # Used to be in IkiWiki/UserInfo, but only used here now.
331 sub get_banned_users () {
332         my @ret;
333         my $userinfo=userinfo_retrieve();
334         foreach my $user (keys %{$userinfo}) {
335                 push @ret, $user if $userinfo->{$user}->{banned};
336         }
337         return @ret;
338 }
339
340 # Used to be in IkiWiki, but only used here (to migrate admin prefs into the
341 # setup file) now.
342 sub pagespec_merge ($$) {
343         my $a=shift;
344         my $b=shift;
345
346         return $a if $a eq $b;
347         return "($a) or ($b)";
348 }
349
350 1