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