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 Encode;
   8 use IkiWiki 3.00;
   9 use URI;
  10
  11 my %knownfeeds;
  12 my %page_numfeeds;
  13 my @inline;
  14 my $nested=0;
  15
  16 sub import {
  17         hook(type => "getopt", id => "inline", call => \&getopt);
  18         hook(type => "getsetup", id => "inline", call => \&getsetup);
  19         hook(type => "checkconfig", id => "inline", call => \&checkconfig);
  20         hook(type => "sessioncgi", id => "inline", call => \&sessioncgi);
  21         hook(type => "preprocess", id => "inline",
  22                 call => \&IkiWiki::preprocess_inline, scan => 1);
  23         hook(type => "pagetemplate", id => "inline",
  24                 call => \&IkiWiki::pagetemplate_inline);
  25         hook(type => "format", id => "inline", call => \&format, first => 1);
  26         # Hook to change to do pinging since it's called late.
  27         # This ensures each page only pings once and prevents slow
  28         # pings interrupting page builds.
  29         hook(type => "rendered", id => "inline", call => \&IkiWiki::pingurl);
  30 }
  31
  32 sub getopt () {
  33         eval q{use Getopt::Long};
  34         error($@) if $@;
  35         Getopt::Long::Configure('pass_through');
  36         GetOptions(
  37                 "rss!" => \$config{rss},
  38                 "atom!" => \$config{atom},
  39                 "allowrss!" => \$config{allowrss},
  40                 "allowatom!" => \$config{allowatom},
  41                 "pingurl=s" => sub {
  42                         push @{$config{pingurl}}, $_[1];
  43                 },
  44         );
  45 }
  46
  47 sub getsetup () {
  48         return
  49                 plugin => {
  50                         safe => 1,
  51                         rebuild => undef,
  52                         section => "core",
  53                 },
  54                 rss => {
  55                         type => "boolean",
  56                         example => 0,
  57                         description => "enable rss feeds by default?",
  58                         safe => 1,
  59                         rebuild => 1,
  60                 },
  61                 atom => {
  62                         type => "boolean",
  63                         example => 0,
  64                         description => "enable atom feeds by default?",
  65                         safe => 1,
  66                         rebuild => 1,
  67                 },
  68                 allowrss => {
  69                         type => "boolean",
  70                         example => 0,
  71                         description => "allow rss feeds to be used?",
  72                         safe => 1,
  73                         rebuild => 1,
  74                 },
  75                 allowatom => {
  76                         type => "boolean",
  77                         example => 0,
  78                         description => "allow atom feeds to be used?",
  79                         safe => 1,
  80                         rebuild => 1,
  81                 },
  82                 pingurl => {
  83                         type => "string",
  84                         example => "http://rpc.technorati.com/rpc/ping",
  85                         description => "urls to ping (using XML-RPC) on feed update",
  86                         safe => 1,
  87                         rebuild => 0,
  88                 },
  89 }
  90
  91 sub checkconfig () {
  92         if (($config{rss} || $config{atom}) && ! length $config{url}) {
  93                 error(gettext("Must specify url to wiki with --url when using --rss or --atom"));
  94         }
  95         if ($config{rss}) {
  96                 push @{$config{wiki_file_prune_regexps}}, qr/\.rss$/;
  97         }
  98         if ($config{atom}) {
  99                 push @{$config{wiki_file_prune_regexps}}, qr/\.atom$/;
 100         }
 101         if (! exists $config{pingurl}) {
 102                 $config{pingurl}=[];
 103         }
 104 }
 105
 106 sub format (@) {
 107         my %params=@_;
 108
 109         # Fill in the inline content generated earlier. This is actually an
 110         # optimisation.
 111         $params{content}=~s{<div class="inline" id="([^"]+)"></div>}{
 112                 delete @inline[$1,]
 113         }eg;
 114         return $params{content};
 115 }
 116
 117 sub sessioncgi ($$) {
 118         my $q=shift;
 119         my $session=shift;
 120
 121         if ($q->param('do') eq 'blog') {
 122                 my $page=titlepage(decode_utf8($q->param('title')));
 123                 $page=~s/(\/)/"__".ord($1)."__"/eg; # don't create subdirs
 124                 # if the page already exists, munge it to be unique
 125                 my $from=$q->param('from');
 126                 my $add="";
 127                 while (exists $IkiWiki::pagecase{lc($from."/".$page.$add)}) {
 128                         $add=1 unless length $add;
 129                         $add++;
 130                 }
 131                 $q->param('page', "/$from/$page$add");
 132                 # now go create the page
 133                 $q->param('do', 'create');
 134                 # make sure the editpage plugin is loaded
 135                 if (IkiWiki->can("cgi_editpage")) {
 136                         IkiWiki::cgi_editpage($q, $session);
 137                 }
 138                 else {
 139                         error(gettext("page editing not allowed"));
 140                 }
 141                 exit;
 142         }
 143 }
 144
 145 # Back to ikiwiki namespace for the rest, this code is very much
 146 # internal to ikiwiki even though it's separated into a plugin.
 147 package IkiWiki;
 148
 149 my %toping;
 150 my %feedlinks;
 151
 152 sub preprocess_inline (@) {
 153         my %params=@_;
 154
 155         if (! exists $params{pages} && ! exists $params{pagenames}) {
 156                 error gettext("missing pages parameter");
 157         }
 158
 159         if (! defined wantarray) {
 160                 # Running in scan mode: only do the essentials
 161
 162                 if (yesno($params{trail}) && IkiWiki::Plugin::trail->can("preprocess_trailitems")) {
 163                         # default to sorting age, the same as inline itself,
 164                         # but let the params override that
 165                         IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age', %params);
 166                 }
 167
 168                 return;
 169         }
 170
 171         if (yesno($params{trail}) && IkiWiki::Plugin::trail->can("preprocess_trailitems")) {
 172                 scalar IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age', %params);
 173         }
 174
 175         my $raw=yesno($params{raw});
 176         my $archive=yesno($params{archive});
 177         my $rss=(($config{rss} || $config{allowrss}) && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
 178         my $atom=(($config{atom} || $config{allowatom}) && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
 179         my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
 180         my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick && ! $raw;
 181         my $emptyfeeds=exists $params{emptyfeeds} ? yesno($params{emptyfeeds}) : 1;
 182         my $feedonly=yesno($params{feedonly});
 183         if (! exists $params{show} && ! $archive) {
 184                 $params{show}=10;
 185         }
 186         if (! exists $params{feedshow} && exists $params{show}) {
 187                 $params{feedshow}=$params{show};
 188         }
 189         my $desc;
 190         if (exists $params{description}) {
 191                 $desc = $params{description}
 192         }
 193         else {
 194                 $desc = $config{wikiname};
 195         }
 196         my $actions=yesno($params{actions});
 197         if (exists $params{template}) {
 198                 $params{template}=~s/[^-_a-zA-Z0-9]+//g;
 199         }
 200         else {
 201                 $params{template} = $archive ? "archivepage" : "inlinepage";
 202         }
 203
 204         my @list;
 205
 206         if (exists $params{pagenames}) {
 207                 foreach my $p (qw(sort pages)) {
 208                         if (exists $params{$p}) {
 209                                 error sprintf(gettext("the %s and %s parameters cannot be used together"),
 210                                         "pagenames", $p);
 211                         }
 212                 }
 213
 214                 @list = grep { $_ ne '' }
 215                         map { bestlink($params{page}, $_) }
 216                         split ' ', $params{pagenames};
 217
 218                 if (yesno($params{reverse})) {
 219                         @list=reverse(@list);
 220                 }
 221
 222                 foreach my $p (@list) {
 223                         add_depends($params{page}, $p, deptype($quick ? "presence" : "content"));
 224                 }
 225         }
 226         else {
 227                 my $num=0;
 228                 if ($params{show}) {
 229                         $num=$params{show};
 230                 }
 231                 if ($params{feedshow} && $num < $params{feedshow} && $num > 0) {
 232                         $num=$params{feedshow};
 233                 }
 234                 if ($params{skip} && $num) {
 235                         $num+=$params{skip};
 236                 }
 237
 238                 @list = pagespec_match_list($params{page}, $params{pages},
 239                         deptype => deptype($quick ? "presence" : "content"),
 240                         filter => sub { $_[0] eq $params{page} },
 241                         sort => exists $params{sort} ? $params{sort} : "age",
 242                         reverse => yesno($params{reverse}),
 243                         ($num ? (num => $num) : ()),
 244                 );
 245         }
 246
 247         if (exists $params{skip}) {
 248                 @list=@list[$params{skip} .. $#list];
 249         }
 250
 251         my @feedlist;
 252         if ($feeds) {
 253                 if (exists $params{feedshow} &&
 254                     $params{feedshow} && @list > $params{feedshow}) {
 255                         @feedlist=@list[0..$params{feedshow} - 1];
 256                 }
 257                 else {
 258                         @feedlist=@list;
 259                 }
 260         }
 261
 262         if ($params{show} && @list > $params{show}) {
 263                 @list=@list[0..$params{show} - 1];
 264         }
 265
 266         if ($feeds && exists $params{feedpages}) {
 267                 @feedlist = pagespec_match_list(
 268                         $params{page}, "($params{pages}) and ($params{feedpages})",
 269                         deptype => deptype($quick ? "presence" : "content"),
 270                         list => \@feedlist,
 271                 );
 272         }
 273
 274         my ($feedbase, $feednum);
 275         if ($feeds) {
 276                 # Ensure that multiple feeds on a page go to unique files.
 277
 278                 # Feedfile can lead to conflicts if usedirs is not enabled,
 279                 # so avoid supporting it in that case.
 280                 delete $params{feedfile} if ! $config{usedirs};
 281                 # Tight limits on legal feedfiles, to avoid security issues
 282                 # and conflicts.
 283                 if (defined $params{feedfile}) {
 284                         if ($params{feedfile} =~ /\// ||
 285                             $params{feedfile} !~ /$config{wiki_file_regexp}/) {
 286                                 error("illegal feedfile");
 287                         }
 288                         $params{feedfile}=possibly_foolish_untaint($params{feedfile});
 289                 }
 290                 $feedbase=targetpage($params{page}, "", $params{feedfile});
 291
 292                 my $feedid=join("\0", $feedbase, map { $_."\0".$params{$_} } sort keys %params);
 293                 if (exists $knownfeeds{$feedid}) {
 294                         $feednum=$knownfeeds{$feedid};
 295                 }
 296                 else {
 297                         if (exists $page_numfeeds{$params{destpage}}{$feedbase}) {
 298                                 if ($feeds) {
 299                                         $feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}}{$feedbase};
 300                                 }
 301                         }
 302                         else {
 303                                 $feednum=$knownfeeds{$feedid}="";
 304                                 if ($feeds) {
 305                                         $page_numfeeds{$params{destpage}}{$feedbase}=1;
 306                                 }
 307                         }
 308                 }
 309         }
 310
 311         my ($rssurl, $atomurl, $rssdesc, $atomdesc);
 312         if ($feeds) {
 313                 if ($rss) {
 314                         $rssurl=abs2rel($feedbase."rss".$feednum, dirname(htmlpage($params{destpage})));
 315                         $rssdesc = sprintf(gettext("%s (RSS feed)"), $desc);
 316                 }
 317                 if ($atom) {
 318                         $atomurl=abs2rel($feedbase."atom".$feednum, dirname(htmlpage($params{destpage})));
 319                         $atomdesc = sprintf(gettext("%s (Atom feed)"), $desc);
 320                 }
 321         }
 322
 323         my $ret="";
 324
 325         if (length $config{cgiurl} && ! $params{preview} && (exists $params{rootpage} ||
 326             (exists $params{postform} && yesno($params{postform}))) &&
 327             IkiWiki->can("cgi_editpage")) {
 328                 # Add a blog post form, with feed buttons.
 329                 my $formtemplate=template_depends("blogpost.tmpl", $params{page}, blind_cache => 1);
 330                 $formtemplate->param(cgiurl => IkiWiki::cgiurl());
 331                 $formtemplate->param(rootpage => rootpage(%params));
 332                 if ($feeds) {
 333                         if ($rss) {
 334                                 $formtemplate->param(rssurl => $rssurl);
 335                                 $formtemplate->param(rssdesc => $rssdesc);
 336                         }
 337                         if ($atom) {
 338                                 $formtemplate->param(atomurl => $atomurl);
 339                                 $formtemplate->param(atomdesc => $atomdesc);
 340                         }
 341                 }
 342                 if (exists $params{postformtext}) {
 343                         $formtemplate->param(postformtext =>
 344                                 $params{postformtext});
 345                 }
 346                 else {
 347                         $formtemplate->param(postformtext =>
 348                                 gettext("Add a new post titled:"));
 349                 }
 350                 if (exists $params{id}) {
 351                         $formtemplate->param(postformid =>
 352                                 $params{id});
 353                 }
 354                 $ret.=$formtemplate->output;
 355
 356                 # The post form includes the feed buttons, so
 357                 # emptyfeeds cannot be hidden.
 358                 $emptyfeeds=1;
 359         }
 360         elsif ($feeds && !$params{preview} && ($emptyfeeds || @feedlist)) {
 361                 # Add feed buttons.
 362                 my $linktemplate=template_depends("feedlink.tmpl", $params{page}, blind_cache => 1);
 363                 if ($rss) {
 364                         $linktemplate->param(rssurl => $rssurl);
 365                         $linktemplate->param(rssdesc => $rssdesc);
 366                 }
 367                 if ($atom) {
 368                         $linktemplate->param(atomurl => $atomurl);
 369                         $linktemplate->param(atomdesc => $atomdesc);
 370                 }
 371                 if (exists $params{id}) {
 372                         $linktemplate->param(id => $params{id});
 373                 }
 374                 $ret.=$linktemplate->output;
 375         }
 376
 377         if (! $feedonly) {
 378                 my $template;
 379                 if (! $raw) {
 380                         # cannot use wiki pages as templates; template not sanitized due to
 381                         # format hook hack
 382                         eval {
 383                                 $template=template_depends($params{template}.".tmpl", $params{page},
 384                                         blind_cache => 1);
 385                         };
 386                         if ($@) {
 387                                 error sprintf(gettext("failed to process template %s"), $params{template}.".tmpl").": $@";
 388                         }
 389                 }
 390                 my $needcontent=$raw || (!($archive && $quick) && $template->query(name => 'content'));
 391
 392                 foreach my $page (@list) {
 393                         my $file = $pagesources{$page};
 394                         my $type = pagetype($file);
 395                         if (! $raw) {
 396                                 if ($needcontent) {
 397                                         # Get the content before populating the
 398                                         # template, since getting the content uses
 399                                         # the same template if inlines are nested.
 400                                         my $content=get_inline_content($page, $params{destpage});
 401                                         $template->param(content => $content);
 402                                 }
 403                                 $template->param(pageurl => urlto($page, $params{destpage}));
 404                                 $template->param(inlinepage => $page);
 405                                 $template->param(title => pagetitle(basename($page)));
 406                                 $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat}, 1));
 407                                 $template->param(mtime => displaytime($pagemtime{$page}, $params{timeformat}));
 408                                 $template->param(first => 1) if $page eq $list[0];
 409                                 $template->param(last => 1) if $page eq $list[$#list];
 410                                 $template->param(html5 => $config{html5});
 411
 412                                 if ($actions) {
 413                                         my $file = $pagesources{$page};
 414                                         my $type = pagetype($file);
 415                                         if ($config{discussion}) {
 416                                                 if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
 417                                                     (length $config{cgiurl} ||
 418                                                      exists $pagesources{$page."/".lc($config{discussionpage})})) {
 419                                                         $template->param(have_actions => 1);
 420                                                         $template->param(discussionlink =>
 421                                                                 htmllink($page,
 422                                                                         $params{destpage},
 423                                                                         $config{discussionpage},
 424                                                                         noimageinline => 1,
 425                                                                         forcesubpage => 1));
 426                                                 }
 427                                         }
 428                                         if (length $config{cgiurl} &&
 429                                             defined $type &&
 430                                             IkiWiki->can("cgi_editpage")) {
 431                                                 $template->param(have_actions => 1);
 432                                                 $template->param(editurl => cgiurl(do => "edit", page => $page));
 433
 434                                         }
 435                                 }
 436
 437                                 run_hooks(pagetemplate => sub {
 438                                         shift->(page => $page, destpage => $params{destpage},
 439                                                 template => $template,);
 440                                 });
 441
 442                                 $ret.=$template->output;
 443                                 $template->clear_params;
 444                         }
 445                         else {
 446                                 if (defined $type) {
 447                                         $ret.="\n".
 448                                               linkify($page, $params{destpage},
 449                                               preprocess($page, $params{destpage},
 450                                               filter($page, $params{destpage},
 451                                               readfile(srcfile($file)))));
 452                                 }
 453                                 else {
 454                                         $ret.="\n".
 455                                               readfile(srcfile($file));
 456                                 }
 457                         }
 458                 }
 459         }
 460
 461         if ($feeds && ($emptyfeeds || @feedlist)) {
 462                 if ($rss) {
 463                         my $rssp=$feedbase."rss".$feednum;
 464                         will_render($params{destpage}, $rssp);
 465                         if (! $params{preview}) {
 466                                 writefile($rssp, $config{destdir},
 467                                         genfeed("rss",
 468                                                 $config{url}."/".$rssp, $desc, $params{guid}, $params{page}, @feedlist));
 469                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 470                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/rss+xml" title="$rssdesc" href="$rssurl" />};
 471                         }
 472                 }
 473                 if ($atom) {
 474                         my $atomp=$feedbase."atom".$feednum;
 475                         will_render($params{destpage}, $atomp);
 476                         if (! $params{preview}) {
 477                                 writefile($atomp, $config{destdir},
 478                                         genfeed("atom", $config{url}."/".$atomp, $desc, $params{guid}, $params{page}, @feedlist));
 479                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 480                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/atom+xml" title="$atomdesc" href="$atomurl" />};
 481                         }
 482                 }
 483         }
 484
 485         clear_inline_content_cache();
 486
 487         return $ret if $raw || $nested;
 488         push @inline, $ret;
 489         return "<div class=\"inline\" id=\"$#inline\"></div>\n\n";
 490 }
 491
 492 sub pagetemplate_inline (@) {
 493         my %params=@_;
 494         my $page=$params{page};
 495         my $template=$params{template};
 496
 497         $template->param(feedlinks => $feedlinks{$page})
 498                 if exists $feedlinks{$page} && $template->query(name => "feedlinks");
 499 }
 500
 501 {
 502 my %inline_content;
 503 my $cached_destpage="";
 504
 505 sub get_inline_content ($$) {
 506         my $page=shift;
 507         my $destpage=shift;
 508
 509         if (exists $inline_content{$page} && $cached_destpage eq $destpage) {
 510                 return $inline_content{$page};
 511         }
 512
 513         my $file=$pagesources{$page};
 514         my $type=pagetype($file);
 515         my $ret="";
 516         if (defined $type) {
 517                 $nested++;
 518                 $ret=htmlize($page, $destpage, $type,
 519                        linkify($page, $destpage,
 520                        preprocess($page, $destpage,
 521                        filter($page, $destpage,
 522                        readfile(srcfile($file))))));
 523                 $nested--;
 524                 if (isinternal($page)) {
 525                         # make inlined text of internal pages searchable
 526                         run_hooks(indexhtml => sub {
 527                                 shift->(page => $page, destpage => $destpage,
 528                                         content => $ret);
 529                         });
 530                 }
 531         }
 532
 533         if ($cached_destpage ne $destpage) {
 534                 clear_inline_content_cache();
 535                 $cached_destpage=$destpage;
 536         }
 537         return $inline_content{$page}=$ret;
 538 }
 539
 540 sub clear_inline_content_cache () {
 541         %inline_content=();
 542 }
 543
 544 }
 545
 546 sub date_822 ($) {
 547         my $time=shift;
 548
 549         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 550         POSIX::setlocale(&POSIX::LC_TIME, "C");
 551         my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
 552         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 553         return $ret;
 554 }
 555
 556 sub absolute_urls ($$) {
 557         # needed because rss sucks
 558         my $html=shift;
 559         my $baseurl=shift;
 560
 561         my $url=$baseurl;
 562         $url=~s/[^\/]+$//;
 563         my $urltop; # calculated if needed
 564
 565         my $ret="";
 566
 567         eval q{use HTML::Parser; use HTML::Tagset};
 568         die $@ if $@;
 569         my $p = HTML::Parser->new(api_version => 3);
 570         $p->handler(default => sub { $ret.=join("", @_) }, "text");
 571         $p->handler(start => sub {
 572                 my ($tagname, $pos, $text) = @_;
 573                 if (ref $HTML::Tagset::linkElements{$tagname}) {
 574                         while (4 <= @$pos) {
 575                                 # use attribute sets from right to left
 576                                 # to avoid invalidating the offsets
 577                                 # when replacing the values
 578                                 my ($k_offset, $k_len, $v_offset, $v_len) =
 579                                         splice(@$pos, -4);
 580                                 my $attrname = lc(substr($text, $k_offset, $k_len));
 581                                 next unless grep { $_ eq $attrname } @{$HTML::Tagset::linkElements{$tagname}};
 582                                 next unless $v_offset; # 0 v_offset means no value
 583                                 my $v = substr($text, $v_offset, $v_len);
 584                                 $v =~ s/^([\'\"])(.*)\1$/$2/;
 585                                 eval q{use HTML::Entities};
 586                                 my $dv = decode_entities($v);
 587                                 if ($dv=~/^#/) {
 588                                         $v=$baseurl.$v; # anchor
 589                                 }
 590                                 elsif ($dv=~/^(?!\w+:)[^\/]/) {
 591                                         $v=$url.$v; # relative url
 592                                 }
 593                                 elsif ($dv=~/^\//) {
 594                                         if (! defined $urltop) {
 595                                                 # what is the non path part of the url?
 596                                                 my $top_uri = URI->new($url);
 597                                                 $top_uri->path_query(""); # reset the path
 598                                                 $urltop = $top_uri->as_string;
 599                                         }
 600                                         $v=$urltop.$v; # url relative to top of site
 601                                 }
 602                                 $v =~ s/\"/&quot;/g; # since we quote with ""
 603                                 substr($text, $v_offset, $v_len) = qq("$v");
 604                         }
 605                 }
 606                 $ret.=$text;
 607         }, "tagname, tokenpos, text");
 608         $p->parse($html);
 609         $p->eof;
 610
 611         return $ret;
 612 }
 613
 614 sub genfeed ($$$$$@) {
 615         my $feedtype=shift;
 616         my $feedurl=shift;
 617         my $feeddesc=shift;
 618         my $guid=shift;
 619         my $page=shift;
 620         my @pages=@_;
 621
 622         my $url=URI->new(encode_utf8(urlto($page,"",1)));
 623
 624         my $itemtemplate=template_depends($feedtype."item.tmpl", $page, blind_cache => 1);
 625         my $content="";
 626         my $lasttime = 0;
 627         foreach my $p (@pages) {
 628                 my $u=URI->new(encode_utf8(urlto($p, "", 1)));
 629                 my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
 630
 631                 $itemtemplate->param(
 632                         title => pagetitle(basename($p)),
 633                         url => $u,
 634                         permalink => $u,
 635                         cdate_822 => date_822($pagectime{$p}),
 636                         mdate_822 => date_822($pagemtime{$p}),
 637                         cdate_3339 => date_3339($pagectime{$p}),
 638                         mdate_3339 => date_3339($pagemtime{$p}),
 639                 );
 640
 641                 if (exists $pagestate{$p}) {
 642                         if (exists $pagestate{$p}{meta}{guid}) {
 643                                 eval q{use HTML::Entities};
 644                                 $itemtemplate->param(guid => HTML::Entities::encode_numeric($pagestate{$p}{meta}{guid}));
 645                         }
 646
 647                         if (exists $pagestate{$p}{meta}{updated}) {
 648                                 $itemtemplate->param(mdate_822 => date_822($pagestate{$p}{meta}{updated}));
 649                                 $itemtemplate->param(mdate_3339 => date_3339($pagestate{$p}{meta}{updated}));
 650                         }
 651                 }
 652
 653                 if ($itemtemplate->query(name => "enclosure")) {
 654                         my $file=$pagesources{$p};
 655                         my $type=pagetype($file);
 656                         if (defined $type) {
 657                                 $itemtemplate->param(content => $pcontent);
 658                         }
 659                         else {
 660                                 my $size=(srcfile_stat($file))[8];
 661                                 my $mime="unknown";
 662                                 eval q{use File::MimeInfo};
 663                                 if (! $@) {
 664                                         $mime = mimetype($file);
 665                                 }
 666                                 $itemtemplate->param(
 667                                         enclosure => $u,
 668                                         type => $mime,
 669                                         length => $size,
 670                                 );
 671                         }
 672                 }
 673                 else {
 674                         $itemtemplate->param(content => $pcontent);
 675                 }
 676
 677                 run_hooks(pagetemplate => sub {
 678                         shift->(page => $p, destpage => $page,
 679                                 template => $itemtemplate);
 680                 });
 681
 682                 $content.=$itemtemplate->output;
 683                 $itemtemplate->clear_params;
 684
 685                 $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;
 686         }
 687
 688         my $template=template_depends($feedtype."page.tmpl", $page, blind_cache => 1);
 689         $template->param(
 690                 title => $page ne "index" ? pagetitle($page) : $config{wikiname},
 691                 wikiname => $config{wikiname},
 692                 pageurl => $url,
 693                 content => $content,
 694                 feeddesc => $feeddesc,
 695                 guid => $guid,
 696                 feeddate => date_3339($lasttime),
 697                 feedurl => $feedurl,
 698         );
 699         run_hooks(pagetemplate => sub {
 700                 shift->(page => $page, destpage => $page,
 701                         template => $template);
 702         });
 703
 704         return $template->output;
 705 }
 706
 707 sub pingurl (@) {
 708         return unless @{$config{pingurl}} && %toping;
 709
 710         eval q{require RPC::XML::Client};
 711         if ($@) {
 712                 debug(gettext("RPC::XML::Client not found, not pinging"));
 713                 return;
 714         }
 715
 716         # daemonize here so slow pings don't slow down wiki updates
 717         defined(my $pid = fork) or error("Can't fork: $!");
 718         return if $pid;
 719         chdir '/';
 720         POSIX::setsid() or error("Can't start a new session: $!");
 721         open STDIN, '/dev/null';
 722         open STDOUT, '>/dev/null';
 723         open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
 724
 725         # Don't need to keep a lock on the wiki as a daemon.
 726         IkiWiki::unlockwiki();
 727
 728         foreach my $page (keys %toping) {
 729                 my $title=pagetitle(basename($page), 0);
 730                 my $url=urlto($page, "", 1);
 731                 foreach my $pingurl (@{$config{pingurl}}) {
 732                         debug("Pinging $pingurl for $page");
 733                         eval {
 734                                 my $client = RPC::XML::Client->new($pingurl);
 735                                 my $req = RPC::XML::request->new('weblogUpdates.ping',
 736                                         $title, $url);
 737                                 my $res = $client->send_request($req);
 738                                 if (! ref $res) {
 739                                         error("Did not receive response to ping");
 740                                 }
 741                                 my $r=$res->value;
 742                                 if (! exists $r->{flerror} || $r->{flerror}) {
 743                                         error("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
 744                                 }
 745                         };
 746                         if ($@) {
 747                                 error "Ping failed: $@";
 748                         }
 749                 }
 750         }
 751
 752         exit 0; # daemon done
 753 }
 754
 755
 756 sub rootpage (@) {
 757         my %params=@_;
 758
 759         my $rootpage;
 760         if (exists $params{rootpage}) {
 761                 $rootpage=bestlink($params{page}, $params{rootpage});
 762                 if (!length $rootpage) {
 763                         $rootpage=$params{rootpage};
 764                 }
 765         }
 766         else {
 767                 $rootpage=$params{page};
 768         }
 769         return $rootpage;
 770 }
 771
 772 1