2 # Ikiwiki metadata plugin.
3 package IkiWiki::Plugin::meta;
18 hook(type => "preprocess", id => "meta", call => \&preprocess, scan => 1);
19 hook(type => "filter", id => "meta", call => \&filter);
20 hook(type => "pagetemplate", id => "meta", call => \&pagetemplate);
26 $meta{$params{page}}='';
28 return $params{content};
32 if (IkiWiki::Plugin::htmlscrubber->can("sanitize")) {
33 return IkiWiki::Plugin::htmlscrubber::sanitize(content => shift);
40 sub preprocess (@) { #{{{
46 my $value=$params{$key};
48 my $page=$params{page};
50 my $destpage=$params{destpage};
51 delete $params{destpage};
52 delete $params{preview};
54 eval q{use HTML::Entities};
55 # Always dencode, even if encoding later, since it might not be
57 $value=decode_entities($value);
61 $meta{$page}.=scrub("<link href=\"".encode_entities($value)."\" ".
62 join(" ", map { encode_entities($_)."=\"".encode_entities(decode_entities($params{$_}))."\"" } keys %params).
67 push @{$links{$page}}, $value;
70 elsif ($key eq 'title') {
71 $title{$page}=HTML::Entities::encode_numeric($value);
73 elsif ($key eq 'permalink') {
74 $permalink{$page}=$value;
75 $meta{$page}.=scrub("<link rel=\"bookmark\" href=\"".encode_entities($value)."\" />\n");
77 elsif ($key eq 'date') {
78 eval q{use Date::Parse};
80 my $time = str2time($value);
81 $IkiWiki::pagectime{$page}=$time if defined $time;
84 elsif ($key eq 'stylesheet') {
85 my $rel=exists $params{rel} ? $params{rel} : "alternate stylesheet";
86 my $title=exists $params{title} ? $params{title} : $value;
87 # adding .css to the value prevents using any old web
88 # editable page as a stylesheet
89 my $stylesheet=bestlink($page, $value.".css");
90 if (! length $stylesheet) {
91 return "[[meta ".gettext("stylesheet not found")."]]";
93 $meta{$page}.='<link href="'.urlto($stylesheet, $page).
94 '" rel="'.encode_entities($rel).
95 '" title="'.encode_entities($title).
96 "\" type=\"text/css\" />\n";
98 elsif ($key eq 'openid') {
99 if (exists $params{server}) {
100 $meta{$page}.='<link href="'.encode_entities($params{server}).
101 "\" rel=\"openid.server\" />\n";
103 $meta{$page}.='<link href="'.encode_entities($value).
104 "\" rel=\"openid.delegate\" />\n";
106 elsif ($key eq 'license') {
107 $meta{$page}.="<link rel=\"license\" href=\"#page_license\" />\n";
108 $license{$page}=$value;
110 elsif ($key eq 'copyright') {
111 $meta{$page}.="<link rel=\"copyright\" href=\"#page_copyright\" />\n";
112 $copyright{$page}=$value;
114 elsif ($key eq 'forward') {
118 if (exists $params{delay}) {
119 $delay=$params{delay};
121 # Is this a wikilink?
122 if ($value =~ /^\[\[(.*)\]\]$/) {
123 $text=htmllink($page, $destpage, $1);
124 $dest_url=urlto(bestlink($page, $1), $destpage);
126 $text="<a href=\"$dest_url\">$dest_url</a>";
129 # TODO. $meta{$page}.=scrub("<meta http-equiv=\"refresh\" content=\"$delay; URL=$dest_url\">");
130 $meta{$page}.="<meta http-equiv=\"refresh\" content=\"$delay; URL=$dest_url\">";
131 return "You are being forwarded to $text.";
134 $meta{$page}.=scrub("<meta name=\"".encode_entities($key).
135 "\" content=\"".encode_entities($value)."\" />\n");
136 if ($key eq 'author') {
137 $author{$page}=$value;
139 elsif ($key eq 'authorurl') {
140 $authorurl{$page}=$value;
147 sub pagetemplate (@) { #{{{
149 my $page=$params{page};
150 my $destpage=$params{destpage};
151 my $template=$params{template};
153 $template->param(meta => $meta{$page})
154 if exists $meta{$page} && $template->query(name => "meta");
155 if (exists $title{$page} && $template->query(name => "title")) {
156 $template->param(title => $title{$page});
157 $template->param(title_overridden => 1);
159 $template->param(permalink => $permalink{$page})
160 if exists $permalink{$page} && $template->query(name => "permalink");
161 $template->param(author => $author{$page})
162 if exists $author{$page} && $template->query(name => "author");
163 $template->param(authorurl => $authorurl{$page})
164 if exists $authorurl{$page} && $template->query(name => "authorurl");
166 if ($page ne $destpage &&
167 ((exists $license{$page} && ! exists $license{$destpage}) ||
168 (exists $copyright{$page} && ! exists $copyright{$destpage}))) {
169 # Force a scan of the destpage to get its copyright/license
170 # info. If the info is declared after an inline, it will
171 # otherwise not be available at this point.
172 IkiWiki::scan($pagesources{$destpage});
175 if (exists $license{$page} && $template->query(name => "license") &&
176 ($page eq $destpage || ! exists $license{$destpage} ||
177 $license{$page} ne $license{$destpage})) {
178 $template->param(license => IkiWiki::linkify($page, $destpage, $license{$page}));
180 if (exists $copyright{$page} && $template->query(name => "copyright") &&
181 ($page eq $destpage || ! exists $copyright{$destpage} ||
182 $copyright{$page} ne $copyright{$destpage})) {
183 $template->param(copyright => IkiWiki::linkify($page, $destpage, $copyright{$page}));