IkiWiki/Plugin/inline.pm

   1 #!/usr/bin/perl
   2 # Page inlining and blogging.
   3 package IkiWiki::Plugin::inline;
   4
   5 use warnings;
   6 use strict;
   7 use IkiWiki 1.00;
   8 use URI;
   9
  10 sub import { #{{{
  11         hook(type => "getopt", id => "inline", call => \&getopt);
  12         hook(type => "checkconfig", id => "inline", call => \&checkconfig);
  13         hook(type => "preprocess", id => "inline",
  14                 call => \&IkiWiki::preprocess_inline);
  15         hook(type => "pagetemplate", id => "inline",
  16                 call => \&IkiWiki::pagetemplate_inline);
  17         # Hook to change to do pinging since it's called late.
  18         # This ensures each page only pings once and prevents slow
  19         # pings interrupting page builds.
  20         hook(type => "change", id => "inline",
  21                 call => \&IkiWiki::pingurl);
  22 } # }}}
  23
  24 sub getopt () { #{{{
  25         eval q{use Getopt::Long};
  26         error($@) if $@;
  27         Getopt::Long::Configure('pass_through');
  28         GetOptions(
  29                 "rss!" => \$config{rss},
  30                 "atom!" => \$config{atom},
  31         );
  32 }
  33
  34 sub checkconfig () { #{{{
  35         if (($config{rss} || $config{atom}) && ! length $config{url}) {
  36                 error(gettext("Must specify url to wiki with --url when using --rss or --atom"));
  37         }
  38         if ($config{rss}) {
  39                 push @{$config{wiki_file_prune_regexps}}, qr/\.rss$/;
  40         }
  41         if ($config{atom}) {
  42                 push @{$config{wiki_file_prune_regexps}}, qr/\.atom$/;
  43         }
  44 } #}}}
  45
  46 # Back to ikiwiki namespace for the rest, this code is very much
  47 # internal to ikiwiki even though it's separated into a plugin.
  48 package IkiWiki;
  49
  50 my %toping;
  51 my %feedlinks;
  52
  53 sub yesno ($) { #{{{
  54         my $val=shift;
  55         return (defined $val && lc($val) eq "yes");
  56 } #}}}
  57
  58 sub preprocess_inline (@) { #{{{
  59         my %params=@_;
  60
  61         if (! exists $params{pages}) {
  62                 return "";
  63         }
  64         my $raw=yesno($params{raw});
  65         my $archive=yesno($params{archive});
  66         my $rss=($config{rss} && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
  67         my $atom=($config{atom} && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
  68         my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
  69         my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick;
  70         if (! exists $params{show} && ! $archive) {
  71                 $params{show}=10;
  72         }
  73         my $desc;
  74         if (exists $params{description}) {
  75                 $desc = $params{description}
  76         } else {
  77                 $desc = $config{wikiname};
  78         }
  79         my $actions=yesno($params{actions});
  80
  81         my @list;
  82         foreach my $page (keys %pagesources) {
  83                 next if $page eq $params{page};
  84                 if (pagespec_match($page, $params{pages}, $params{page})) {
  85                         push @list, $page;
  86                 }
  87         }
  88
  89         if (exists $params{sort} && $params{sort} eq 'title') {
  90                 @list=sort @list;
  91         }
  92         elsif (! exists $params{sort} || $params{sort} eq 'age') {
  93                 @list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
  94         }
  95         else {
  96                 return sprintf(gettext("unknown sort type %s"), $params{sort});
  97         }
  98
  99         if (yesno($params{reverse})) {
 100                 @list=reverse(@list);
 101         }
 102
 103         if (exists $params{skip}) {
 104                 @list=@list[$params{skip} .. scalar @list - 1];
 105         }
 106
 107         if ($params{show} && @list > $params{show}) {
 108                 @list=@list[0..$params{show} - 1];
 109         }
 110
 111         add_depends($params{page}, $params{pages});
 112
 113         my $rssurl=rsspage(basename($params{page}));
 114         my $atomurl=atompage(basename($params{page}));
 115         my $ret="";
 116
 117         if (exists $params{rootpage} && $config{cgiurl}) {
 118                 # Add a blog post form, with feed buttons.
 119                 my $formtemplate=template("blogpost.tmpl", blind_cache => 1);
 120                 $formtemplate->param(cgiurl => $config{cgiurl});
 121                 $formtemplate->param(rootpage => $params{rootpage});
 122                 $formtemplate->param(rssurl => $rssurl) if $feeds && $rss;
 123                 $formtemplate->param(atomurl => $atomurl) if $feeds && $atom;
 124                 $ret.=$formtemplate->output;
 125         }
 126         elsif ($feeds) {
 127                 # Add feed buttons.
 128                 my $linktemplate=template("feedlink.tmpl", blind_cache => 1);
 129                 $linktemplate->param(rssurl => $rssurl) if $rss;
 130                 $linktemplate->param(atomurl => $atomurl) if $atom;
 131                 $ret.=$linktemplate->output;
 132         }
 133
 134         my $template=template(
 135                 ($archive ? "inlinepagetitle.tmpl" : "inlinepage.tmpl"),
 136                 blind_cache => 1,
 137         ) unless $raw;
 138
 139         foreach my $page (@list) {
 140                 my $file = $pagesources{$page};
 141                 my $type = pagetype($file);
 142                 if (! $raw || ($raw && ! defined $type)) {
 143                         unless ($archive && $quick) {
 144                                 # Get the content before populating the
 145                                 # template, since getting the content uses
 146                                 # the same template if inlines are nested.
 147                                 my $content=get_inline_content($page, $params{destpage});
 148                                 $template->param(content => $content);
 149                         }
 150                         # Don't use htmllink because this way the
 151                         # title is separate and can be overridden by
 152                         # other plugins.
 153                         my $link=bestlink($params{page}, $page);
 154                         $link=htmlpage($link) if defined $type;
 155                         $link=abs2rel($link, dirname($params{destpage}));
 156                         $template->param(pageurl => $link);
 157                         $template->param(title => pagetitle(basename($page)));
 158                         $template->param(ctime => displaytime($pagectime{$page}));
 159
 160                         if ($actions) {
 161                                 my $file = $pagesources{$page};
 162                                 my $type = pagetype($file);
 163                                 if ($config{discussion}) {
 164                                         my $discussionlink=gettext("discussion");
 165                                         if ($page !~ /.*\/\Q$discussionlink\E$/ &&
 166                                             (length $config{cgiurl} ||
 167                                              exists $links{$page."/".$discussionlink})) {
 168                                                 $template->param(have_actions => 1);
 169                                                 $template->param(discussionlink => htmllink($page, $params{page}, gettext("Discussion"), 1, 1));
 170                                         }
 171                                 }
 172                                 if (length $config{cgiurl} && defined $type) {
 173                                         $template->param(have_actions => 1);
 174                                         $template->param(editurl => cgiurl(do => "edit", page => $page));
 175                                 }
 176                         }
 177
 178                         run_hooks(pagetemplate => sub {
 179                                 shift->(page => $page, destpage => $params{page},
 180                                         template => $template,);
 181                         });
 182
 183                         $ret.=$template->output;
 184                         $template->clear_params;
 185                 }
 186                 else {
 187                         if (defined $type) {
 188                                 $ret.="\n".
 189                                       linkify($page, $params{page},
 190                                       preprocess($page, $params{page},
 191                                       filter($page,
 192                                       readfile(srcfile($file)))));
 193                         }
 194                 }
 195         }
 196
 197         if ($feeds) {
 198                 if (exists $params{feedshow} && @list > $params{feedshow}) {
 199                         @list=@list[0..$params{feedshow} - 1];
 200                 }
 201
 202                 if ($rss) {
 203                         will_render($params{page}, rsspage($params{page}));
 204                         writefile(rsspage($params{page}), $config{destdir},
 205                                 genfeed("rss", $rssurl, $desc, $params{page}, @list));
 206                         $toping{$params{page}}=1 unless $config{rebuild};
 207                         $feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/rss+xml" title="RSS" href="$rssurl" />};
 208                 }
 209                 if ($atom) {
 210                         will_render($params{page}, atompage($params{page}));
 211                         writefile(atompage($params{page}), $config{destdir},
 212                                 genfeed("atom", $atomurl, $desc, $params{page}, @list));
 213                         $toping{$params{page}}=1 unless $config{rebuild};
 214                         $feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/atom+xml" title="Atom" href="$atomurl" />};
 215                 }
 216         }
 217
 218         return $ret;
 219 } #}}}
 220
 221 sub pagetemplate_inline (@) { #{{{
 222         my %params=@_;
 223         my $page=$params{page};
 224         my $template=$params{template};
 225
 226         $template->param(feedlinks => $feedlinks{$page})
 227                 if exists $feedlinks{$page} && $template->query(name => "feedlinks");
 228 } #}}}
 229
 230 sub get_inline_content ($$) { #{{{
 231         my $page=shift;
 232         my $destpage=shift;
 233
 234         my $file=$pagesources{$page};
 235         my $type=pagetype($file);
 236         if (defined $type) {
 237                 return htmlize($page, $type,
 238                        linkify($page, $destpage,
 239                        preprocess($page, $destpage,
 240                        filter($page,
 241                        readfile(srcfile($file))))));
 242         }
 243         else {
 244                 return "";
 245         }
 246 } #}}}
 247
 248 sub date_822 ($) { #{{{
 249         my $time=shift;
 250
 251         eval q{use POSIX};
 252         error($@) if $@;
 253         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 254         POSIX::setlocale(&POSIX::LC_TIME, "C");
 255         my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
 256         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 257         return $ret;
 258 } #}}}
 259
 260 sub date_3339 ($) { #{{{
 261         my $time=shift;
 262
 263         eval q{use POSIX};
 264         error($@) if $@;
 265         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 266         POSIX::setlocale(&POSIX::LC_TIME, "C");
 267         my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", localtime($time));
 268         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 269         return $ret;
 270 } #}}}
 271
 272 sub absolute_urls ($$) { #{{{
 273         # sucky sub because rss sucks
 274         my $content=shift;
 275         my $baseurl=shift;
 276
 277         my $url=$baseurl;
 278         $url=~s/[^\/]+$//;
 279
 280         $content=~s/(<a(?:\s+(?:class|id)="?\w+"?)?)\s+href="(#[^"]+)"/$1 href="$baseurl$2"/ig;
 281         $content=~s/(<a(?:\s+(?:class|id)="?\w+"?)?)\s+href="(?!\w+:\/\/)([^"]+)"/$1 href="$url$2"/ig;
 282         $content=~s/(<img(?:\s+(?:class|id)="?\w+"?)?)\s+src="(?!\w+:\/\/)([^"]+)"/$1 src="$url$2"/ig;
 283         return $content;
 284 } #}}}
 285
 286 sub rsspage ($) { #{{{
 287         my $page=shift;
 288
 289         return $page.".rss";
 290 } #}}}
 291
 292 sub atompage ($) { #{{{
 293         my $page=shift;
 294
 295         return $page.".atom";
 296 } #}}}
 297
 298 sub genfeed ($$$$@) { #{{{
 299         my $feedtype=shift;
 300         my $feedurl=shift;
 301         my $feeddesc=shift;
 302         my $page=shift;
 303         my @pages=@_;
 304
 305         my $url=URI->new(encode_utf8($config{url}."/".htmlpage($page)));
 306
 307         my $itemtemplate=template($feedtype."item.tmpl", blind_cache => 1);
 308         my $content="";
 309         my $lasttime = 0;
 310         foreach my $p (@pages) {
 311                 my $u=URI->new(encode_utf8($config{url}."/".htmlpage($p)));
 312
 313                 my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
 314
 315                 $itemtemplate->param(
 316                         title => pagetitle(basename($p), 1),
 317                         url => $u,
 318                         permalink => $u,
 319                         date_822 => date_822($pagectime{$p}),
 320                         date_3339 => date_3339($pagectime{$p}),
 321                 );
 322
 323                 if ($itemtemplate->query(name => "enclosure")) {
 324                         my $file=$pagesources{$p};
 325                         my $type=pagetype($file);
 326                         if (defined $type) {
 327                                 $itemtemplate->param(content => $pcontent);
 328                         }
 329                         else {
 330                                 my ($a, $b, $c, $d, $e, $f, $g, $size) = stat(srcfile($file));
 331                                 my $mime="unknown";
 332                                 eval q{use File::MimeInfo};
 333                                 if (! $@) {
 334                                         $mime = mimetype($file);
 335                                 }
 336                                 $itemtemplate->param(
 337                                         enclosure => $u,
 338                                         type => $mime,
 339                                         length => $size,
 340                                 );
 341                         }
 342                 }
 343                 else {
 344                         $itemtemplate->param(content => $pcontent);
 345                 }
 346
 347                 run_hooks(pagetemplate => sub {
 348                         shift->(page => $p, destpage => $page,
 349                                 template => $itemtemplate);
 350                 });
 351
 352                 $content.=$itemtemplate->output;
 353                 $itemtemplate->clear_params;
 354
 355                 $lasttime = $pagectime{$p} if $pagectime{$p} > $lasttime;
 356         }
 357
 358         my $template=template($feedtype."page.tmpl", blind_cache => 1);
 359         $template->param(
 360                 title => $page ne "index" ? pagetitle($page, 1) : $config{wikiname},
 361                 wikiname => $config{wikiname},
 362                 pageurl => $url,
 363                 content => $content,
 364                 feeddesc => $feeddesc,
 365                 feeddate => date_3339($lasttime),
 366                 feedurl => $feedurl,
 367                 version => $IkiWiki::version,
 368         );
 369         run_hooks(pagetemplate => sub {
 370                 shift->(page => $page, destpage => $page,
 371                         template => $template);
 372         });
 373
 374         return $template->output;
 375 } #}}}
 376
 377 sub pingurl (@) { #{{{
 378         return unless @{$config{pingurl}} && %toping;
 379
 380         eval q{require RPC::XML::Client};
 381         if ($@) {
 382                 debug(gettext("RPC::XML::Client not found, not pinging"));
 383                 return;
 384         }
 385
 386         # daemonize here so slow pings don't slow down wiki updates
 387         defined(my $pid = fork) or error("Can't fork: $!");
 388         return if $pid;
 389         chdir '/';
 390         eval q{use POSIX 'setsid'};
 391         setsid() or error("Can't start a new session: $!");
 392         open STDIN, '/dev/null';
 393         open STDOUT, '>/dev/null';
 394         open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
 395
 396         # Don't need to keep a lock on the wiki as a daemon.
 397         IkiWiki::unlockwiki();
 398
 399         foreach my $page (keys %toping) {
 400                 my $title=pagetitle(basename($page), 0);
 401                 my $url="$config{url}/".htmlpage($page);
 402                 foreach my $pingurl (@{$config{pingurl}}) {
 403                         debug("Pinging $pingurl for $page");
 404                         eval {
 405                                 my $client = RPC::XML::Client->new($pingurl);
 406                                 my $req = RPC::XML::request->new('weblogUpdates.ping',
 407                                         $title, $url);
 408                                 my $res = $client->send_request($req);
 409                                 if (! ref $res) {
 410                                         debug("Did not receive response to ping");
 411                                 }
 412                                 my $r=$res->value;
 413                                 if (! exists $r->{flerror} || $r->{flerror}) {
 414                                         debug("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
 415                                 }
 416                         };
 417                         if ($@) {
 418                                 debug "Ping failed: $@";
 419                         }
 420                 }
 421         }
 422
 423         exit 0; # daemon done
 424 } #}}}
 425
 426 1