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}}, $_[1];
  43                 },
  44         );
  45 }
  46
  47 sub getsetup () {
  48         return
  49                 plugin => {
  50                         safe => 1,
  51                         rebuild => undef,
  52                 },
  53                 rss => {
  54                         type => "boolean",
  55                         example => 0,
  56                         description => "enable rss feeds by default?",
  57                         safe => 1,
  58                         rebuild => 1,
  59                 },
  60                 atom => {
  61                         type => "boolean",
  62                         example => 0,
  63                         description => "enable atom feeds by default?",
  64                         safe => 1,
  65                         rebuild => 1,
  66                 },
  67                 allowrss => {
  68                         type => "boolean",
  69                         example => 0,
  70                         description => "allow rss feeds to be used?",
  71                         safe => 1,
  72                         rebuild => 1,
  73                 },
  74                 allowatom => {
  75                         type => "boolean",
  76                         example => 0,
  77                         description => "allow atom feeds to be used?",
  78                         safe => 1,
  79                         rebuild => 1,
  80                 },
  81                 pingurl => {
  82                         type => "string",
  83                         example => "http://rpc.technorati.com/rpc/ping",
  84                         description => "urls to ping (using XML-RPC) on feed update",
  85                         safe => 1,
  86                         rebuild => 0,
  87                 },
  88 }
  89
  90 sub checkconfig () {
  91         if (($config{rss} || $config{atom}) && ! length $config{url}) {
  92                 error(gettext("Must specify url to wiki with --url when using --rss or --atom"));
  93         }
  94         if ($config{rss}) {
  95                 push @{$config{wiki_file_prune_regexps}}, qr/\.rss$/;
  96         }
  97         if ($config{atom}) {
  98                 push @{$config{wiki_file_prune_regexps}}, qr/\.atom$/;
  99         }
 100         if (! exists $config{pingurl}) {
 101                 $config{pingurl}=[];
 102         }
 103 }
 104
 105 sub format (@) {
 106         my %params=@_;
 107
 108         # Fill in the inline content generated earlier. This is actually an
 109         # optimisation.
 110         $params{content}=~s{<div class="inline" id="([^"]+)"></div>}{
 111                 delete @inline[$1,]
 112         }eg;
 113         return $params{content};
 114 }
 115
 116 sub sessioncgi ($$) {
 117         my $q=shift;
 118         my $session=shift;
 119
 120         if ($q->param('do') eq 'blog') {
 121                 my $page=titlepage(decode_utf8($q->param('title')));
 122                 $page=~s/(\/)/"__".ord($1)."__"/eg; # don't create subdirs
 123                 # if the page already exists, munge it to be unique
 124                 my $from=$q->param('from');
 125                 my $add="";
 126                 while (exists $IkiWiki::pagecase{lc($from."/".$page.$add)}) {
 127                         $add=1 unless length $add;
 128                         $add++;
 129                 }
 130                 $q->param('page', $page.$add);
 131                 # now go create the page
 132                 $q->param('do', 'create');
 133                 # make sure the editpage plugin in loaded
 134                 if (IkiWiki->can("cgi_editpage")) {
 135                         IkiWiki::cgi_editpage($q, $session);
 136                 }
 137                 else {
 138                         error(gettext("page editing not allowed"));
 139                 }
 140                 exit;
 141         }
 142 }
 143
 144 # Back to ikiwiki namespace for the rest, this code is very much
 145 # internal to ikiwiki even though it's separated into a plugin.
 146 package IkiWiki;
 147
 148 my %toping;
 149 my %feedlinks;
 150
 151 sub preprocess_inline (@) {
 152         my %params=@_;
 153
 154         if (! exists $params{pages}) {
 155                 error gettext("missing pages parameter");
 156         }
 157         my $raw=yesno($params{raw});
 158         my $archive=yesno($params{archive});
 159         my $rss=(($config{rss} || $config{allowrss}) && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
 160         my $atom=(($config{atom} || $config{allowatom}) && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
 161         my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
 162         my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick;
 163         my $emptyfeeds=exists $params{emptyfeeds} ? yesno($params{emptyfeeds}) : 1;
 164         my $feedonly=yesno($params{feedonly});
 165         if (! exists $params{show} && ! $archive) {
 166                 $params{show}=10;
 167         }
 168         if (! exists $params{feedshow} && exists $params{show}) {
 169                 $params{feedshow}=$params{show};
 170         }
 171         my $desc;
 172         if (exists $params{description}) {
 173                 $desc = $params{description}
 174         }
 175         else {
 176                 $desc = $config{wikiname};
 177         }
 178         my $actions=yesno($params{actions});
 179         if (exists $params{template}) {
 180                 $params{template}=~s/[^-_a-zA-Z0-9]+//g;
 181         }
 182         else {
 183                 $params{template} = $archive ? "archivepage" : "inlinepage";
 184         }
 185
 186         my @list;
 187         my $lastmatch;
 188         foreach my $page (keys %pagesources) {
 189                 next if $page eq $params{page};
 190                 $lastmatch=pagespec_match($page, $params{pages}, location => $params{page});
 191                 if ($lastmatch) {
 192                         push @list, $page;
 193                 }
 194         }
 195
 196         if (! @list && defined $lastmatch &&
 197             $lastmatch->isa("IkiWiki::ErrorReason")) {
 198                 error(sprintf(gettext("cannot match pages: %s"), $lastmatch));
 199         }
 200
 201         if (exists $params{sort} && $params{sort} eq 'title') {
 202                 @list=sort { pagetitle(basename($a)) cmp pagetitle(basename($b)) } @list;
 203         }
 204         elsif (exists $params{sort} && $params{sort} eq 'title_natural') {
 205                 eval q{use Sort::Naturally};
 206                 if ($@) {
 207                         error(gettext("Sort::Naturally needed for title_natural sort"));
 208                 }
 209                 @list=sort { Sort::Naturally::ncmp(pagetitle(basename($a)), pagetitle(basename($b))) } @list;
 210         }
 211         elsif (exists $params{sort} && $params{sort} eq 'mtime') {
 212                 @list=sort { $pagemtime{$b} <=> $pagemtime{$a} } @list;
 213         }
 214         elsif (! exists $params{sort} || $params{sort} eq 'age') {
 215                 @list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
 216         }
 217         else {
 218                 error sprintf(gettext("unknown sort type %s"), $params{sort});
 219         }
 220
 221         if (yesno($params{reverse})) {
 222                 @list=reverse(@list);
 223         }
 224
 225         if (exists $params{skip}) {
 226                 @list=@list[$params{skip} .. scalar @list - 1];
 227         }
 228
 229         my @feedlist;
 230         if ($feeds) {
 231                 if (exists $params{feedshow} &&
 232                     $params{feedshow} && @list > $params{feedshow}) {
 233                         @feedlist=@list[0..$params{feedshow} - 1];
 234                 }
 235                 else {
 236                         @feedlist=@list;
 237                 }
 238         }
 239
 240         if ($params{show} && @list > $params{show}) {
 241                 @list=@list[0..$params{show} - 1];
 242         }
 243
 244         add_depends($params{page}, $params{pages});
 245         # Explicitly add all currently displayed pages as dependencies, so
 246         # that if they are removed or otherwise changed, the inline will be
 247         # sure to be updated.
 248         add_depends($params{page}, join(" or ", $#list >= $#feedlist ? @list : @feedlist));
 249
 250         if ($feeds && exists $params{feedpages}) {
 251                 @feedlist=grep { pagespec_match($_, $params{feedpages}, location => $params{page}) } @feedlist;
 252         }
 253
 254         my ($feedbase, $feednum);
 255         if ($feeds) {
 256                 # Ensure that multiple feeds on a page go to unique files.
 257
 258                 # Feedfile can lead to conflicts if usedirs is not enabled,
 259                 # so avoid supporting it in that case.
 260                 delete $params{feedfile} if ! $config{usedirs};
 261                 # Tight limits on legal feedfiles, to avoid security issues
 262                 # and conflicts.
 263                 if (defined $params{feedfile}) {
 264                         if ($params{feedfile} =~ /\// ||
 265                             $params{feedfile} !~ /$config{wiki_file_regexp}/) {
 266                                 error("illegal feedfile");
 267                         }
 268                         $params{feedfile}=possibly_foolish_untaint($params{feedfile});
 269                 }
 270                 $feedbase=targetpage($params{destpage}, "", $params{feedfile});
 271
 272                 my $feedid=join("\0", $feedbase, map { $_."\0".$params{$_} } sort keys %params);
 273                 if (exists $knownfeeds{$feedid}) {
 274                         $feednum=$knownfeeds{$feedid};
 275                 }
 276                 else {
 277                         if (exists $page_numfeeds{$params{destpage}}{$feedbase}) {
 278                                 if ($feeds) {
 279                                         $feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}}{$feedbase};
 280                                 }
 281                         }
 282                         else {
 283                                 $feednum=$knownfeeds{$feedid}="";
 284                                 if ($feeds) {
 285                                         $page_numfeeds{$params{destpage}}{$feedbase}=1;
 286                                 }
 287                         }
 288                 }
 289         }
 290
 291         my $rssurl=abs2rel($feedbase."rss".$feednum, dirname(htmlpage($params{destpage}))) if $feeds && $rss;
 292         my $atomurl=abs2rel($feedbase."atom".$feednum, dirname(htmlpage($params{destpage}))) if $feeds && $atom;
 293
 294         my $ret="";
 295
 296         if (length $config{cgiurl} && ! $params{preview} && (exists $params{rootpage} ||
 297             (exists $params{postform} && yesno($params{postform}))) &&
 298             IkiWiki->can("cgi_editpage")) {
 299                 # Add a blog post form, with feed buttons.
 300                 my $formtemplate=template("blogpost.tmpl", blind_cache => 1);
 301                 $formtemplate->param(cgiurl => $config{cgiurl});
 302                 my $rootpage;
 303                 if (exists $params{rootpage}) {
 304                         $rootpage=bestlink($params{page}, $params{rootpage});
 305                         if (!length $rootpage) {
 306                                 $rootpage=$params{rootpage};
 307                         }
 308                 }
 309                 else {
 310                         $rootpage=$params{page};
 311                 }
 312                 $formtemplate->param(rootpage => $rootpage);
 313                 $formtemplate->param(rssurl => $rssurl) if $feeds && $rss;
 314                 $formtemplate->param(atomurl => $atomurl) if $feeds && $atom;
 315                 if (exists $params{postformtext}) {
 316                         $formtemplate->param(postformtext =>
 317                                 $params{postformtext});
 318                 }
 319                 else {
 320                         $formtemplate->param(postformtext =>
 321                                 gettext("Add a new post titled:"));
 322                 }
 323                 $ret.=$formtemplate->output;
 324
 325                 # The post form includes the feed buttons, so
 326                 # emptyfeeds cannot be hidden.
 327                 $emptyfeeds=1;
 328         }
 329         elsif ($feeds && !$params{preview} && ($emptyfeeds || @feedlist)) {
 330                 # Add feed buttons.
 331                 my $linktemplate=template("feedlink.tmpl", blind_cache => 1);
 332                 $linktemplate->param(rssurl => $rssurl) if $rss;
 333                 $linktemplate->param(atomurl => $atomurl) if $atom;
 334                 $ret.=$linktemplate->output;
 335         }
 336
 337         if (! $feedonly) {
 338                 require HTML::Template;
 339                 my @params=IkiWiki::template_params($params{template}.".tmpl", blind_cache => 1);
 340                 if (! @params) {
 341                         error sprintf(gettext("nonexistant template %s"), $params{template});
 342                 }
 343                 my $template=HTML::Template->new(@params) unless $raw;
 344
 345                 foreach my $page (@list) {
 346                         my $file = $pagesources{$page};
 347                         my $type = pagetype($file);
 348                         if (! $raw || ($raw && ! defined $type)) {
 349                                 unless ($archive && $quick) {
 350                                         # Get the content before populating the
 351                                         # template, since getting the content uses
 352                                         # the same template if inlines are nested.
 353                                         my $content=get_inline_content($page, $params{destpage});
 354                                         $template->param(content => $content);
 355                                 }
 356                                 $template->param(pageurl => urlto(bestlink($params{page}, $page), $params{destpage}));
 357                                 $template->param(inlinepage => $page);
 358                                 $template->param(title => pagetitle(basename($page)));
 359                                 $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat}));
 360                                 $template->param(mtime => displaytime($pagemtime{$page}, $params{timeformat}));
 361                                 $template->param(first => 1) if $page eq $list[0];
 362                                 $template->param(last => 1) if $page eq $list[$#list];
 363
 364                                 if ($actions) {
 365                                         my $file = $pagesources{$page};
 366                                         my $type = pagetype($file);
 367                                         if ($config{discussion}) {
 368                                                 my $discussionlink=gettext("discussion");
 369                                                 if ($page !~ /.*\/\Q$discussionlink\E$/ &&
 370                                                     (length $config{cgiurl} ||
 371                                                      exists $links{$page."/".$discussionlink})) {
 372                                                         $template->param(have_actions => 1);
 373                                                         $template->param(discussionlink =>
 374                                                                 htmllink($page,
 375                                                                         $params{destpage},
 376                                                                         gettext("Discussion"),
 377                                                                         noimageinline => 1,
 378                                                                         forcesubpage => 1));
 379                                                 }
 380                                         }
 381                                         if (length $config{cgiurl} && defined $type) {
 382                                                 $template->param(have_actions => 1);
 383                                                 $template->param(editurl => cgiurl(do => "edit", page => $page));
 384                                         }
 385                                 }
 386
 387                                 run_hooks(pagetemplate => sub {
 388                                         shift->(page => $page, destpage => $params{destpage},
 389                                                 template => $template,);
 390                                 });
 391
 392                                 $ret.=$template->output;
 393                                 $template->clear_params;
 394                         }
 395                         else {
 396                                 if (defined $type) {
 397                                         $ret.="\n".
 398                                               linkify($page, $params{destpage},
 399                                               preprocess($page, $params{destpage},
 400                                               filter($page, $params{destpage},
 401                                               readfile(srcfile($file)))));
 402                                 }
 403                         }
 404                 }
 405         }
 406
 407         if ($feeds && ($emptyfeeds || @feedlist)) {
 408                 if ($rss) {
 409                         my $rssp=$feedbase."rss".$feednum;
 410                         will_render($params{destpage}, $rssp);
 411                         if (! $params{preview}) {
 412                                 writefile($rssp, $config{destdir},
 413                                         genfeed("rss",
 414                                                 $config{url}."/".$rssp, $desc, $params{guid}, $params{destpage}, @feedlist));
 415                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 416                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/rss+xml" title="$desc (RSS)" href="$rssurl" />};
 417                         }
 418                 }
 419                 if ($atom) {
 420                         my $atomp=$feedbase."atom".$feednum;
 421                         will_render($params{destpage}, $atomp);
 422                         if (! $params{preview}) {
 423                                 writefile($atomp, $config{destdir},
 424                                         genfeed("atom", $config{url}."/".$atomp, $desc, $params{guid}, $params{destpage}, @feedlist));
 425                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 426                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/atom+xml" title="$desc (Atom)" href="$atomurl" />};
 427                         }
 428                 }
 429         }
 430
 431         return $ret if $raw || $nested;
 432         push @inline, $ret;
 433         return "<div class=\"inline\" id=\"$#inline\"></div>\n\n";
 434 }
 435
 436 sub pagetemplate_inline (@) {
 437         my %params=@_;
 438         my $page=$params{page};
 439         my $template=$params{template};
 440
 441         $template->param(feedlinks => $feedlinks{$page})
 442                 if exists $feedlinks{$page} && $template->query(name => "feedlinks");
 443 }
 444
 445 sub get_inline_content ($$) {
 446         my $page=shift;
 447         my $destpage=shift;
 448
 449         my $file=$pagesources{$page};
 450         my $type=pagetype($file);
 451         if (defined $type) {
 452                 $nested++;
 453                 my $ret=htmlize($page, $destpage, $type,
 454                        linkify($page, $destpage,
 455                        preprocess($page, $destpage,
 456                        filter($page, $destpage,
 457                        readfile(srcfile($file))))));
 458                 $nested--;
 459                 return $ret;
 460         }
 461         else {
 462                 return "";
 463         }
 464 }
 465
 466 sub date_822 ($) {
 467         my $time=shift;
 468
 469         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 470         POSIX::setlocale(&POSIX::LC_TIME, "C");
 471         my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
 472         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 473         return $ret;
 474 }
 475
 476 sub date_3339 ($) {
 477         my $time=shift;
 478
 479         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 480         POSIX::setlocale(&POSIX::LC_TIME, "C");
 481         my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", gmtime($time));
 482         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 483         return $ret;
 484 }
 485
 486 sub absolute_urls ($$) {
 487         # sucky sub because rss sucks
 488         my $content=shift;
 489         my $baseurl=shift;
 490
 491         my $url=$baseurl;
 492         $url=~s/[^\/]+$//;
 493
 494         # what is the non path part of the url?
 495         my $top_uri = URI->new($url);
 496         $top_uri->path_query(""); # reset the path
 497         my $urltop = $top_uri->as_string;
 498
 499         $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(#[^"]+)"/$1 href="$baseurl$2"/mig;
 500         # relative to another wiki page
 501         $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(?!\w+:)([^\/][^"]*)"/$1 href="$url$2"/mig;
 502         $content=~s/(<img(?:\s+(?:class|id|width|height)\s*="?\w+"?)*)\s+src=\s*"(?!\w+:)([^\/][^"]*)"/$1 src="$url$2"/mig;
 503         # relative to the top of the site
 504         $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(?!\w+:)(\/[^"]*)"/$1 href="$urltop$2"/mig;
 505         $content=~s/(<img(?:\s+(?:class|id|width|height)\s*="?\w+"?)*)\s+src=\s*"(?!\w+:)(\/[^"]*)"/$1 src="$urltop$2"/mig;
 506         return $content;
 507 }
 508
 509 sub genfeed ($$$$$@) {
 510         my $feedtype=shift;
 511         my $feedurl=shift;
 512         my $feeddesc=shift;
 513         my $guid=shift;
 514         my $page=shift;
 515         my @pages=@_;
 516
 517         my $url=URI->new(encode_utf8(urlto($page,"",1)));
 518
 519         my $itemtemplate=template($feedtype."item.tmpl", blind_cache => 1);
 520         my $content="";
 521         my $lasttime = 0;
 522         foreach my $p (@pages) {
 523                 my $u=URI->new(encode_utf8(urlto($p, "", 1)));
 524                 my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
 525
 526                 $itemtemplate->param(
 527                         title => pagetitle(basename($p)),
 528                         url => $u,
 529                         permalink => $u,
 530                         cdate_822 => date_822($pagectime{$p}),
 531                         mdate_822 => date_822($pagemtime{$p}),
 532                         cdate_3339 => date_3339($pagectime{$p}),
 533                         mdate_3339 => date_3339($pagemtime{$p}),
 534                 );
 535
 536                 if (exists $pagestate{$p}) {
 537                         if (exists $pagestate{$p}{meta}{guid}) {
 538                                 $itemtemplate->param(guid => $pagestate{$p}{meta}{guid});
 539                         }
 540
 541                         if (exists $pagestate{$p}{meta}{updated}) {
 542                                 $itemtemplate->param(mdate_822 => date_822($pagestate{$p}{meta}{updated}));
 543                                 $itemtemplate->param(mdate_3339 => date_3339($pagestate{$p}{meta}{updated}));
 544                         }
 545                 }
 546
 547                 if ($itemtemplate->query(name => "enclosure")) {
 548                         my $file=$pagesources{$p};
 549                         my $type=pagetype($file);
 550                         if (defined $type) {
 551                                 $itemtemplate->param(content => $pcontent);
 552                         }
 553                         else {
 554                                 my $size=(srcfile_stat($file))[8];
 555                                 my $mime="unknown";
 556                                 eval q{use File::MimeInfo};
 557                                 if (! $@) {
 558                                         $mime = mimetype($file);
 559                                 }
 560                                 $itemtemplate->param(
 561                                         enclosure => $u,
 562                                         type => $mime,
 563                                         length => $size,
 564                                 );
 565                         }
 566                 }
 567                 else {
 568                         $itemtemplate->param(content => $pcontent);
 569                 }
 570
 571                 run_hooks(pagetemplate => sub {
 572                         shift->(page => $p, destpage => $page,
 573                                 template => $itemtemplate);
 574                 });
 575
 576                 $content.=$itemtemplate->output;
 577                 $itemtemplate->clear_params;
 578
 579                 $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;
 580         }
 581
 582         my $template=template($feedtype."page.tmpl", blind_cache => 1);
 583         $template->param(
 584                 title => $page ne "index" ? pagetitle($page) : $config{wikiname},
 585                 wikiname => $config{wikiname},
 586                 pageurl => $url,
 587                 content => $content,
 588                 feeddesc => $feeddesc,
 589                 guid => $guid,
 590                 feeddate => date_3339($lasttime),
 591                 feedurl => $feedurl,
 592                 version => $IkiWiki::version,
 593         );
 594         run_hooks(pagetemplate => sub {
 595                 shift->(page => $page, destpage => $page,
 596                         template => $template);
 597         });
 598
 599         return $template->output;
 600 }
 601
 602 sub pingurl (@) {
 603         return unless @{$config{pingurl}} && %toping;
 604
 605         eval q{require RPC::XML::Client};
 606         if ($@) {
 607                 debug(gettext("RPC::XML::Client not found, not pinging"));
 608                 return;
 609         }
 610
 611         # daemonize here so slow pings don't slow down wiki updates
 612         defined(my $pid = fork) or error("Can't fork: $!");
 613         return if $pid;
 614         chdir '/';
 615         POSIX::setsid() or error("Can't start a new session: $!");
 616         open STDIN, '/dev/null';
 617         open STDOUT, '>/dev/null';
 618         open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
 619
 620         # Don't need to keep a lock on the wiki as a daemon.
 621         IkiWiki::unlockwiki();
 622
 623         foreach my $page (keys %toping) {
 624                 my $title=pagetitle(basename($page), 0);
 625                 my $url=urlto($page, "", 1);
 626                 foreach my $pingurl (@{$config{pingurl}}) {
 627                         debug("Pinging $pingurl for $page");
 628                         eval {
 629                                 my $client = RPC::XML::Client->new($pingurl);
 630                                 my $req = RPC::XML::request->new('weblogUpdates.ping',
 631                                         $title, $url);
 632                                 my $res = $client->send_request($req);
 633                                 if (! ref $res) {
 634                                         error("Did not receive response to ping");
 635                                 }
 636                                 my $r=$res->value;
 637                                 if (! exists $r->{flerror} || $r->{flerror}) {
 638                                         error("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
 639                                 }
 640                         };
 641                         if ($@) {
 642                                 error "Ping failed: $@";
 643                         }
 644                 }
 645         }
 646
 647         exit 0; # daemon done
 648 }
 649
 650 1