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} && ! exists $params{pagenames}) {
 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
 188         if (exists $params{pagenames}) {
 189
 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 = split ' ', $params{pagenames};
 198                 my $_;
 199                 @list = map { bestlink($params{page}, $_) } @list;
 200
 201                 $params{pages} = join(" or ", @list);
 202         }
 203         else {
 204                 @list = pagespec_match_list(
 205                         [ grep { $_ ne $params{page} } keys %pagesources ],
 206                         $params{pages}, location => $params{page});
 207
 208                 if (exists $params{sort} && $params{sort} eq 'title') {
 209                         @list=sort { pagetitle(basename($a)) cmp pagetitle(basename($b)) } @list;
 210                 }
 211                 elsif (exists $params{sort} && $params{sort} eq 'title_natural') {
 212                         eval q{use Sort::Naturally};
 213                         if ($@) {
 214                                 error(gettext("Sort::Naturally needed for title_natural sort"));
 215                         }
 216                         @list=sort { Sort::Naturally::ncmp(pagetitle(basename($a)), pagetitle(basename($b))) } @list;
 217                 }
 218                 elsif (exists $params{sort} && $params{sort} eq 'mtime') {
 219                         @list=sort { $pagemtime{$b} <=> $pagemtime{$a} } @list;
 220                 }
 221                 elsif (! exists $params{sort} || $params{sort} eq 'age') {
 222                         @list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
 223                 }
 224                 else {
 225                         error sprintf(gettext("unknown sort type %s"), $params{sort});
 226                 }
 227         }
 228
 229         if (yesno($params{reverse})) {
 230                 @list=reverse(@list);
 231         }
 232
 233         if (exists $params{skip}) {
 234                 @list=@list[$params{skip} .. scalar @list - 1];
 235         }
 236
 237         my @feedlist;
 238         if ($feeds) {
 239                 if (exists $params{feedshow} &&
 240                     $params{feedshow} && @list > $params{feedshow}) {
 241                         @feedlist=@list[0..$params{feedshow} - 1];
 242                 }
 243                 else {
 244                         @feedlist=@list;
 245                 }
 246         }
 247
 248         if ($params{show} && @list > $params{show}) {
 249                 @list=@list[0..$params{show} - 1];
 250         }
 251
 252         add_depends($params{page}, $params{pages});
 253         # Explicitly add all currently displayed pages as dependencies, so
 254         # that if they are removed or otherwise changed, the inline will be
 255         # sure to be updated.
 256         add_depends($params{page}, join(" or ", $#list >= $#feedlist ? @list : @feedlist));
 257
 258         if ($feeds && exists $params{feedpages}) {
 259                 @feedlist=grep { pagespec_match($_, $params{feedpages}, location => $params{page}) } @feedlist;
 260         }
 261
 262         my ($feedbase, $feednum);
 263         if ($feeds) {
 264                 # Ensure that multiple feeds on a page go to unique files.
 265
 266                 # Feedfile can lead to conflicts if usedirs is not enabled,
 267                 # so avoid supporting it in that case.
 268                 delete $params{feedfile} if ! $config{usedirs};
 269                 # Tight limits on legal feedfiles, to avoid security issues
 270                 # and conflicts.
 271                 if (defined $params{feedfile}) {
 272                         if ($params{feedfile} =~ /\// ||
 273                             $params{feedfile} !~ /$config{wiki_file_regexp}/) {
 274                                 error("illegal feedfile");
 275                         }
 276                         $params{feedfile}=possibly_foolish_untaint($params{feedfile});
 277                 }
 278                 $feedbase=targetpage($params{destpage}, "", $params{feedfile});
 279
 280                 my $feedid=join("\0", $feedbase, map { $_."\0".$params{$_} } sort keys %params);
 281                 if (exists $knownfeeds{$feedid}) {
 282                         $feednum=$knownfeeds{$feedid};
 283                 }
 284                 else {
 285                         if (exists $page_numfeeds{$params{destpage}}{$feedbase}) {
 286                                 if ($feeds) {
 287                                         $feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}}{$feedbase};
 288                                 }
 289                         }
 290                         else {
 291                                 $feednum=$knownfeeds{$feedid}="";
 292                                 if ($feeds) {
 293                                         $page_numfeeds{$params{destpage}}{$feedbase}=1;
 294                                 }
 295                         }
 296                 }
 297         }
 298
 299         my $rssurl=abs2rel($feedbase."rss".$feednum, dirname(htmlpage($params{destpage}))) if $feeds && $rss;
 300         my $atomurl=abs2rel($feedbase."atom".$feednum, dirname(htmlpage($params{destpage}))) if $feeds && $atom;
 301
 302         my $ret="";
 303
 304         if (length $config{cgiurl} && ! $params{preview} && (exists $params{rootpage} ||
 305             (exists $params{postform} && yesno($params{postform}))) &&
 306             IkiWiki->can("cgi_editpage")) {
 307                 # Add a blog post form, with feed buttons.
 308                 my $formtemplate=template("blogpost.tmpl", blind_cache => 1);
 309                 $formtemplate->param(cgiurl => $config{cgiurl});
 310                 my $rootpage;
 311                 if (exists $params{rootpage}) {
 312                         $rootpage=bestlink($params{page}, $params{rootpage});
 313                         if (!length $rootpage) {
 314                                 $rootpage=$params{rootpage};
 315                         }
 316                 }
 317                 else {
 318                         $rootpage=$params{page};
 319                 }
 320                 $formtemplate->param(rootpage => $rootpage);
 321                 $formtemplate->param(rssurl => $rssurl) if $feeds && $rss;
 322                 $formtemplate->param(atomurl => $atomurl) if $feeds && $atom;
 323                 if (exists $params{postformtext}) {
 324                         $formtemplate->param(postformtext =>
 325                                 $params{postformtext});
 326                 }
 327                 else {
 328                         $formtemplate->param(postformtext =>
 329                                 gettext("Add a new post titled:"));
 330                 }
 331                 $ret.=$formtemplate->output;
 332
 333                 # The post form includes the feed buttons, so
 334                 # emptyfeeds cannot be hidden.
 335                 $emptyfeeds=1;
 336         }
 337         elsif ($feeds && !$params{preview} && ($emptyfeeds || @feedlist)) {
 338                 # Add feed buttons.
 339                 my $linktemplate=template("feedlink.tmpl", blind_cache => 1);
 340                 $linktemplate->param(rssurl => $rssurl) if $rss;
 341                 $linktemplate->param(atomurl => $atomurl) if $atom;
 342                 $ret.=$linktemplate->output;
 343         }
 344
 345         if (! $feedonly) {
 346                 require HTML::Template;
 347                 my @params=IkiWiki::template_params($params{template}.".tmpl", blind_cache => 1);
 348                 if (! @params) {
 349                         error sprintf(gettext("nonexistant template %s"), $params{template});
 350                 }
 351                 my $template=HTML::Template->new(@params) unless $raw;
 352
 353                 foreach my $page (@list) {
 354                         my $file = $pagesources{$page};
 355                         my $type = pagetype($file);
 356                         if (! $raw || ($raw && ! defined $type)) {
 357                                 unless ($archive && $quick) {
 358                                         # Get the content before populating the
 359                                         # template, since getting the content uses
 360                                         # the same template if inlines are nested.
 361                                         my $content=get_inline_content($page, $params{destpage});
 362                                         $template->param(content => $content);
 363                                 }
 364                                 $template->param(pageurl => urlto($page, $params{destpage}));
 365                                 $template->param(inlinepage => $page);
 366                                 $template->param(title => pagetitle(basename($page)));
 367                                 $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat}));
 368                                 $template->param(mtime => displaytime($pagemtime{$page}, $params{timeformat}));
 369                                 $template->param(first => 1) if $page eq $list[0];
 370                                 $template->param(last => 1) if $page eq $list[$#list];
 371
 372                                 if ($actions) {
 373                                         my $file = $pagesources{$page};
 374                                         my $type = pagetype($file);
 375                                         if ($config{discussion}) {
 376                                                 my $discussionlink=lc(gettext("Discussion"));
 377                                                 if ($page !~ /.*\/\Q$discussionlink\E$/ &&
 378                                                     (length $config{cgiurl} ||
 379                                                      exists $links{$page."/".$discussionlink})) {
 380                                                         $template->param(have_actions => 1);
 381                                                         $template->param(discussionlink =>
 382                                                                 htmllink($page,
 383                                                                         $params{destpage},
 384                                                                         gettext("Discussion"),
 385                                                                         noimageinline => 1,
 386                                                                         forcesubpage => 1));
 387                                                 }
 388                                         }
 389                                         if (length $config{cgiurl} && defined $type) {
 390                                                 $template->param(have_actions => 1);
 391                                                 $template->param(editurl => cgiurl(do => "edit", page => $page));
 392                                         }
 393                                 }
 394
 395                                 run_hooks(pagetemplate => sub {
 396                                         shift->(page => $page, destpage => $params{destpage},
 397                                                 template => $template,);
 398                                 });
 399
 400                                 $ret.=$template->output;
 401                                 $template->clear_params;
 402                         }
 403                         else {
 404                                 if (defined $type) {
 405                                         $ret.="\n".
 406                                               linkify($page, $params{destpage},
 407                                               preprocess($page, $params{destpage},
 408                                               filter($page, $params{destpage},
 409                                               readfile(srcfile($file)))));
 410                                 }
 411                         }
 412                 }
 413         }
 414
 415         if ($feeds && ($emptyfeeds || @feedlist)) {
 416                 if ($rss) {
 417                         my $rssp=$feedbase."rss".$feednum;
 418                         will_render($params{destpage}, $rssp);
 419                         if (! $params{preview}) {
 420                                 writefile($rssp, $config{destdir},
 421                                         genfeed("rss",
 422                                                 $config{url}."/".$rssp, $desc, $params{guid}, $params{destpage}, @feedlist));
 423                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 424                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/rss+xml" title="$desc (RSS)" href="$rssurl" />};
 425                         }
 426                 }
 427                 if ($atom) {
 428                         my $atomp=$feedbase."atom".$feednum;
 429                         will_render($params{destpage}, $atomp);
 430                         if (! $params{preview}) {
 431                                 writefile($atomp, $config{destdir},
 432                                         genfeed("atom", $config{url}."/".$atomp, $desc, $params{guid}, $params{destpage}, @feedlist));
 433                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 434                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/atom+xml" title="$desc (Atom)" href="$atomurl" />};
 435                         }
 436                 }
 437         }
 438
 439         return $ret if $raw || $nested;
 440         push @inline, $ret;
 441         return "<div class=\"inline\" id=\"$#inline\"></div>\n\n";
 442 }
 443
 444 sub pagetemplate_inline (@) {
 445         my %params=@_;
 446         my $page=$params{page};
 447         my $template=$params{template};
 448
 449         $template->param(feedlinks => $feedlinks{$page})
 450                 if exists $feedlinks{$page} && $template->query(name => "feedlinks");
 451 }
 452
 453 sub get_inline_content ($$) {
 454         my $page=shift;
 455         my $destpage=shift;
 456
 457         my $file=$pagesources{$page};
 458         my $type=pagetype($file);
 459         if (defined $type) {
 460                 $nested++;
 461                 my $ret=htmlize($page, $destpage, $type,
 462                        linkify($page, $destpage,
 463                        preprocess($page, $destpage,
 464                        filter($page, $destpage,
 465                        readfile(srcfile($file))))));
 466                 $nested--;
 467                 return $ret;
 468         }
 469         else {
 470                 return "";
 471         }
 472 }
 473
 474 sub date_822 ($) {
 475         my $time=shift;
 476
 477         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 478         POSIX::setlocale(&POSIX::LC_TIME, "C");
 479         my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
 480         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 481         return $ret;
 482 }
 483
 484 sub date_3339 ($) {
 485         my $time=shift;
 486
 487         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 488         POSIX::setlocale(&POSIX::LC_TIME, "C");
 489         my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", gmtime($time));
 490         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 491         return $ret;
 492 }
 493
 494 sub absolute_urls ($$) {
 495         # sucky sub because rss sucks
 496         my $content=shift;
 497         my $baseurl=shift;
 498
 499         my $url=$baseurl;
 500         $url=~s/[^\/]+$//;
 501
 502         # what is the non path part of the url?
 503         my $top_uri = URI->new($url);
 504         $top_uri->path_query(""); # reset the path
 505         my $urltop = $top_uri->as_string;
 506
 507         $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(#[^"]+)"/$1 href="$baseurl$2"/mig;
 508         # relative to another wiki page
 509         $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(?!\w+:)([^\/][^"]*)"/$1 href="$url$2"/mig;
 510         $content=~s/(<img(?:\s+(?:class|id|width|height)\s*="?\w+"?)*)\s+src=\s*"(?!\w+:)([^\/][^"]*)"/$1 src="$url$2"/mig;
 511         # relative to the top of the site
 512         $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(?!\w+:)(\/[^"]*)"/$1 href="$urltop$2"/mig;
 513         $content=~s/(<img(?:\s+(?:class|id|width|height)\s*="?\w+"?)*)\s+src=\s*"(?!\w+:)(\/[^"]*)"/$1 src="$urltop$2"/mig;
 514         return $content;
 515 }
 516
 517 sub genfeed ($$$$$@) {
 518         my $feedtype=shift;
 519         my $feedurl=shift;
 520         my $feeddesc=shift;
 521         my $guid=shift;
 522         my $page=shift;
 523         my @pages=@_;
 524
 525         my $url=URI->new(encode_utf8(urlto($page,"",1)));
 526
 527         my $itemtemplate=template($feedtype."item.tmpl", blind_cache => 1);
 528         my $content="";
 529         my $lasttime = 0;
 530         foreach my $p (@pages) {
 531                 my $u=URI->new(encode_utf8(urlto($p, "", 1)));
 532                 my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
 533
 534                 $itemtemplate->param(
 535                         title => pagetitle(basename($p)),
 536                         url => $u,
 537                         permalink => $u,
 538                         cdate_822 => date_822($pagectime{$p}),
 539                         mdate_822 => date_822($pagemtime{$p}),
 540                         cdate_3339 => date_3339($pagectime{$p}),
 541                         mdate_3339 => date_3339($pagemtime{$p}),
 542                 );
 543
 544                 if (exists $pagestate{$p}) {
 545                         if (exists $pagestate{$p}{meta}{guid}) {
 546                                 $itemtemplate->param(guid => $pagestate{$p}{meta}{guid});
 547                         }
 548
 549                         if (exists $pagestate{$p}{meta}{updated}) {
 550                                 $itemtemplate->param(mdate_822 => date_822($pagestate{$p}{meta}{updated}));
 551                                 $itemtemplate->param(mdate_3339 => date_3339($pagestate{$p}{meta}{updated}));
 552                         }
 553                 }
 554
 555                 if ($itemtemplate->query(name => "enclosure")) {
 556                         my $file=$pagesources{$p};
 557                         my $type=pagetype($file);
 558                         if (defined $type) {
 559                                 $itemtemplate->param(content => $pcontent);
 560                         }
 561                         else {
 562                                 my $size=(srcfile_stat($file))[8];
 563                                 my $mime="unknown";
 564                                 eval q{use File::MimeInfo};
 565                                 if (! $@) {
 566                                         $mime = mimetype($file);
 567                                 }
 568                                 $itemtemplate->param(
 569                                         enclosure => $u,
 570                                         type => $mime,
 571                                         length => $size,
 572                                 );
 573                         }
 574                 }
 575                 else {
 576                         $itemtemplate->param(content => $pcontent);
 577                 }
 578
 579                 run_hooks(pagetemplate => sub {
 580                         shift->(page => $p, destpage => $page,
 581                                 template => $itemtemplate);
 582                 });
 583
 584                 $content.=$itemtemplate->output;
 585                 $itemtemplate->clear_params;
 586
 587                 $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;
 588         }
 589
 590         my $template=template($feedtype."page.tmpl", blind_cache => 1);
 591         $template->param(
 592                 title => $page ne "index" ? pagetitle($page) : $config{wikiname},
 593                 wikiname => $config{wikiname},
 594                 pageurl => $url,
 595                 content => $content,
 596                 feeddesc => $feeddesc,
 597                 guid => $guid,
 598                 feeddate => date_3339($lasttime),
 599                 feedurl => $feedurl,
 600                 version => $IkiWiki::version,
 601         );
 602         run_hooks(pagetemplate => sub {
 603                 shift->(page => $page, destpage => $page,
 604                         template => $template);
 605         });
 606
 607         return $template->output;
 608 }
 609
 610 sub pingurl (@) {
 611         return unless @{$config{pingurl}} && %toping;
 612
 613         eval q{require RPC::XML::Client};
 614         if ($@) {
 615                 debug(gettext("RPC::XML::Client not found, not pinging"));
 616                 return;
 617         }
 618
 619         # daemonize here so slow pings don't slow down wiki updates
 620         defined(my $pid = fork) or error("Can't fork: $!");
 621         return if $pid;
 622         chdir '/';
 623         POSIX::setsid() or error("Can't start a new session: $!");
 624         open STDIN, '/dev/null';
 625         open STDOUT, '>/dev/null';
 626         open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
 627
 628         # Don't need to keep a lock on the wiki as a daemon.
 629         IkiWiki::unlockwiki();
 630
 631         foreach my $page (keys %toping) {
 632                 my $title=pagetitle(basename($page), 0);
 633                 my $url=urlto($page, "", 1);
 634                 foreach my $pingurl (@{$config{pingurl}}) {
 635                         debug("Pinging $pingurl for $page");
 636                         eval {
 637                                 my $client = RPC::XML::Client->new($pingurl);
 638                                 my $req = RPC::XML::request->new('weblogUpdates.ping',
 639                                         $title, $url);
 640                                 my $res = $client->send_request($req);
 641                                 if (! ref $res) {
 642                                         error("Did not receive response to ping");
 643                                 }
 644                                 my $r=$res->value;
 645                                 if (! exists $r->{flerror} || $r->{flerror}) {
 646                                         error("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
 647                                 }
 648                         };
 649                         if ($@) {
 650                                 error "Ping failed: $@";
 651                         }
 652                 }
 653         }
 654
 655         exit 0; # daemon done
 656 }
 657
 658 1