IkiWiki/Plugin/inline.pm

   1 #!/usr/bin/perl
   2 # Page inlining and blogging.
   3 package IkiWiki::Plugin::inline;
   4
   5 use warnings;
   6 use strict;
   7 use Encode;
   8 use IkiWiki 3.00;
   9 use URI;
  10
  11 my %knownfeeds;
  12 my %page_numfeeds;
  13 my @inline;
  14 my $nested=0;
  15
  16 sub import {
  17         hook(type => "getopt", id => "inline", call => \&getopt);
  18         hook(type => "getsetup", id => "inline", call => \&getsetup);
  19         hook(type => "checkconfig", id => "inline", call => \&checkconfig);
  20         hook(type => "sessioncgi", id => "inline", call => \&sessioncgi);
  21         hook(type => "preprocess", id => "inline",
  22                 call => \&IkiWiki::preprocess_inline, scan => 1);
  23         hook(type => "pagetemplate", id => "inline",
  24                 call => \&IkiWiki::pagetemplate_inline);
  25         hook(type => "format", id => "inline", call => \&format, first => 1);
  26         # Hook to change to do pinging since it's called late.
  27         # This ensures each page only pings once and prevents slow
  28         # pings interrupting page builds.
  29         hook(type => "rendered", id => "inline", call => \&IkiWiki::pingurl);
  30 }
  31
  32 sub getopt () {
  33         eval q{use Getopt::Long};
  34         error($@) if $@;
  35         Getopt::Long::Configure('pass_through');
  36         GetOptions(
  37                 "rss!" => \$config{rss},
  38                 "atom!" => \$config{atom},
  39                 "allowrss!" => \$config{allowrss},
  40                 "allowatom!" => \$config{allowatom},
  41                 "pingurl=s" => sub {
  42                         push @{$config{pingurl}}, $_[1];
  43                 },
  44         );
  45 }
  46
  47 sub getsetup () {
  48         return
  49                 plugin => {
  50                         safe => 1,
  51                         rebuild => undef,
  52                         section => "core",
  53                 },
  54                 rss => {
  55                         type => "boolean",
  56                         example => 0,
  57                         description => "enable rss feeds by default?",
  58                         safe => 1,
  59                         rebuild => 1,
  60                 },
  61                 atom => {
  62                         type => "boolean",
  63                         example => 0,
  64                         description => "enable atom feeds by default?",
  65                         safe => 1,
  66                         rebuild => 1,
  67                 },
  68                 allowrss => {
  69                         type => "boolean",
  70                         example => 0,
  71                         description => "allow rss feeds to be used?",
  72                         safe => 1,
  73                         rebuild => 1,
  74                 },
  75                 allowatom => {
  76                         type => "boolean",
  77                         example => 0,
  78                         description => "allow atom feeds to be used?",
  79                         safe => 1,
  80                         rebuild => 1,
  81                 },
  82                 pingurl => {
  83                         type => "string",
  84                         example => "http://rpc.technorati.com/rpc/ping",
  85                         description => "urls to ping (using XML-RPC) on feed update",
  86                         safe => 1,
  87                         rebuild => 0,
  88                 },
  89 }
  90
  91 sub checkconfig () {
  92         if (($config{rss} || $config{atom}) && ! length $config{url}) {
  93                 error(gettext("Must specify url to wiki with --url when using --rss or --atom"));
  94         }
  95         if ($config{rss}) {
  96                 push @{$config{wiki_file_prune_regexps}}, qr/\.rss$/;
  97         }
  98         if ($config{atom}) {
  99                 push @{$config{wiki_file_prune_regexps}}, qr/\.atom$/;
 100         }
 101         if (! exists $config{pingurl}) {
 102                 $config{pingurl}=[];
 103         }
 104 }
 105
 106 sub format (@) {
 107         my %params=@_;
 108
 109         # Fill in the inline content generated earlier. This is actually an
 110         # optimisation.
 111         $params{content}=~s{<div class="inline" id="([^"]+)"></div>}{
 112                 delete @inline[$1,]
 113         }eg;
 114         return $params{content};
 115 }
 116
 117 sub sessioncgi ($$) {
 118         my $q=shift;
 119         my $session=shift;
 120
 121         if ($q->param('do') eq 'blog') {
 122                 my $page=titlepage(decode_utf8($q->param('title')));
 123                 $page=~s/(\/)/"__".ord($1)."__"/eg; # don't create subdirs
 124                 # if the page already exists, munge it to be unique
 125                 my $from=$q->param('from');
 126                 my $add="";
 127                 while (exists $IkiWiki::pagecase{lc($from."/".$page.$add)}) {
 128                         $add=1 unless length $add;
 129                         $add++;
 130                 }
 131                 $q->param('page', "/$from/$page$add");
 132                 # now go create the page
 133                 $q->param('do', 'create');
 134                 # make sure the editpage plugin is loaded
 135                 if (IkiWiki->can("cgi_editpage")) {
 136                         IkiWiki::cgi_editpage($q, $session);
 137                 }
 138                 else {
 139                         error(gettext("page editing not allowed"));
 140                 }
 141                 exit;
 142         }
 143 }
 144
 145 # Back to ikiwiki namespace for the rest, this code is very much
 146 # internal to ikiwiki even though it's separated into a plugin.
 147 package IkiWiki;
 148
 149 my %toping;
 150 my %feedlinks;
 151
 152 sub preprocess_inline (@) {
 153         my %params=@_;
 154
 155         if (! exists $params{pages} && ! exists $params{pagenames}) {
 156                 error gettext("missing pages parameter");
 157         }
 158
 159         if (! defined wantarray) {
 160                 # Running in scan mode: only do the essentials
 161
 162                 if (yesno($params{trail}) && IkiWiki::Plugin::trail->can("preprocess_trailitems")) {
 163                         # default to sorting age, the same as inline itself,
 164                         # but let the params override that
 165                         IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age', %params);
 166                 }
 167
 168                 return;
 169         }
 170
 171         if (yesno($params{trail}) && IkiWiki::Plugin::trail->can("preprocess_trailitems")) {
 172                 scalar IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age', %params);
 173         }
 174
 175         my $raw=yesno($params{raw});
 176         my $archive=yesno($params{archive});
 177         my $rss=(($config{rss} || $config{allowrss}) && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
 178         my $atom=(($config{atom} || $config{allowatom}) && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
 179         my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
 180         my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick && ! $raw;
 181         my $emptyfeeds=exists $params{emptyfeeds} ? yesno($params{emptyfeeds}) : 1;
 182         my $feedonly=yesno($params{feedonly});
 183         if (! exists $params{show} && ! $archive) {
 184                 $params{show}=10;
 185         }
 186         if (! exists $params{feedshow} && exists $params{show}) {
 187                 $params{feedshow}=$params{show};
 188         }
 189         my $title;
 190         if (exists $params{title}) {
 191                 $title = $params{title};
 192         }
 193         else {
 194                 $title = $params{page} ne "index" ? pagetitle($params{page}) : $config{wikiname};
 195         }
 196         my $desc;
 197         if (exists $params{description}) {
 198                 $desc = $params{description}
 199         }
 200         else {
 201                 $desc = $config{wikiname};
 202         }
 203         my $actions=yesno($params{actions});
 204         if (exists $params{template}) {
 205                 $params{template}=~s/[^-_a-zA-Z0-9]+//g;
 206         }
 207         else {
 208                 $params{template} = $archive ? "archivepage" : "inlinepage";
 209         }
 210
 211         my @list;
 212
 213         if (exists $params{pagenames}) {
 214                 foreach my $p (qw(sort pages)) {
 215                         if (exists $params{$p}) {
 216                                 error sprintf(gettext("the %s and %s parameters cannot be used together"),
 217                                         "pagenames", $p);
 218                         }
 219                 }
 220
 221                 @list = split ' ', $params{pagenames};
 222
 223                 if (yesno($params{reverse})) {
 224                         @list=reverse(@list);
 225                 }
 226
 227                 foreach my $p (@list) {
 228                         add_depends($params{page}, $p, deptype($quick ? "presence" : "content"));
 229                 }
 230
 231                 @list = grep { exists $pagesources{$_} } @list;
 232         }
 233         else {
 234                 my $num=0;
 235                 if ($params{show}) {
 236                         $num=$params{show};
 237                 }
 238                 if ($params{feedshow} && $num < $params{feedshow} && $num > 0) {
 239                         $num=$params{feedshow};
 240                 }
 241                 if ($params{skip} && $num) {
 242                         $num+=$params{skip};
 243                 }
 244
 245                 @list = pagespec_match_list($params{page}, $params{pages},
 246                         deptype => deptype($quick ? "presence" : "content"),
 247                         filter => sub { $_[0] eq $params{page} },
 248                         sort => exists $params{sort} ? $params{sort} : "age",
 249                         reverse => yesno($params{reverse}),
 250                         ($num ? (num => $num) : ()),
 251                 );
 252         }
 253
 254         if (exists $params{skip}) {
 255                 @list=@list[$params{skip} .. $#list];
 256         }
 257
 258         my @feedlist;
 259         if ($feeds) {
 260                 if (exists $params{feedshow} &&
 261                     $params{feedshow} && @list > $params{feedshow}) {
 262                         @feedlist=@list[0..$params{feedshow} - 1];
 263                 }
 264                 else {
 265                         @feedlist=@list;
 266                 }
 267         }
 268
 269         if ($params{show} && @list > $params{show}) {
 270                 @list=@list[0..$params{show} - 1];
 271         }
 272
 273         if ($feeds && exists $params{feedpages}) {
 274                 @feedlist = pagespec_match_list(
 275                         $params{page}, "($params{pages}) and ($params{feedpages})",
 276                         deptype => deptype($quick ? "presence" : "content"),
 277                         list => \@feedlist,
 278                 );
 279         }
 280
 281         my ($feedbase, $feednum);
 282         if ($feeds) {
 283                 # Ensure that multiple feeds on a page go to unique files.
 284
 285                 # Feedfile can lead to conflicts if usedirs is not enabled,
 286                 # so avoid supporting it in that case.
 287                 delete $params{feedfile} if ! $config{usedirs};
 288                 # Tight limits on legal feedfiles, to avoid security issues
 289                 # and conflicts.
 290                 if (defined $params{feedfile}) {
 291                         if ($params{feedfile} =~ /\// ||
 292                             $params{feedfile} !~ /$config{wiki_file_regexp}/) {
 293                                 error("illegal feedfile");
 294                         }
 295                         $params{feedfile}=possibly_foolish_untaint($params{feedfile});
 296                 }
 297                 $feedbase=targetpage($params{page}, "", $params{feedfile});
 298
 299                 my $feedid=join("\0", $feedbase, map { $_."\0".$params{$_} } sort keys %params);
 300                 if (exists $knownfeeds{$feedid}) {
 301                         $feednum=$knownfeeds{$feedid};
 302                 }
 303                 else {
 304                         if (exists $page_numfeeds{$params{destpage}}{$feedbase}) {
 305                                 if ($feeds) {
 306                                         $feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}}{$feedbase};
 307                                 }
 308                         }
 309                         else {
 310                                 $feednum=$knownfeeds{$feedid}="";
 311                                 if ($feeds) {
 312                                         $page_numfeeds{$params{destpage}}{$feedbase}=1;
 313                                 }
 314                         }
 315                 }
 316         }
 317
 318         my ($rssurl, $atomurl, $rssdesc, $atomdesc);
 319         if ($feeds) {
 320                 if ($rss) {
 321                         $rssurl=abs2rel($feedbase."rss".$feednum, dirname(htmlpage($params{destpage})));
 322                         $rssdesc = sprintf(gettext("%s (RSS feed)"), $desc);
 323                 }
 324                 if ($atom) {
 325                         $atomurl=abs2rel($feedbase."atom".$feednum, dirname(htmlpage($params{destpage})));
 326                         $atomdesc = sprintf(gettext("%s (Atom feed)"), $desc);
 327                 }
 328         }
 329
 330         my $ret="";
 331
 332         if (length $config{cgiurl} && ! $params{preview} && (exists $params{rootpage} ||
 333             (exists $params{postform} && yesno($params{postform}))) &&
 334             IkiWiki->can("cgi_editpage")) {
 335                 # Add a blog post form, with feed buttons.
 336                 my $formtemplate=template_depends("blogpost.tmpl", $params{page}, blind_cache => 1);
 337                 $formtemplate->param(cgiurl => IkiWiki::cgiurl());
 338                 $formtemplate->param(rootpage => rootpage(%params));
 339                 if ($feeds) {
 340                         if ($rss) {
 341                                 $formtemplate->param(rssurl => $rssurl);
 342                                 $formtemplate->param(rssdesc => $rssdesc);
 343                         }
 344                         if ($atom) {
 345                                 $formtemplate->param(atomurl => $atomurl);
 346                                 $formtemplate->param(atomdesc => $atomdesc);
 347                         }
 348                 }
 349                 if (exists $params{postformtext}) {
 350                         $formtemplate->param(postformtext =>
 351                                 $params{postformtext});
 352                 }
 353                 else {
 354                         $formtemplate->param(postformtext =>
 355                                 gettext("Add a new post titled:"));
 356                 }
 357                 if (exists $params{id}) {
 358                         $formtemplate->param(postformid =>
 359                                 $params{id});
 360                 }
 361                 $ret.=$formtemplate->output;
 362
 363                 # The post form includes the feed buttons, so
 364                 # emptyfeeds cannot be hidden.
 365                 $emptyfeeds=1;
 366         }
 367         elsif ($feeds && !$params{preview} && ($emptyfeeds || @feedlist)) {
 368                 # Add feed buttons.
 369                 my $linktemplate=template_depends("feedlink.tmpl", $params{page}, blind_cache => 1);
 370                 if ($rss) {
 371                         $linktemplate->param(rssurl => $rssurl);
 372                         $linktemplate->param(rssdesc => $rssdesc);
 373                 }
 374                 if ($atom) {
 375                         $linktemplate->param(atomurl => $atomurl);
 376                         $linktemplate->param(atomdesc => $atomdesc);
 377                 }
 378                 if (exists $params{id}) {
 379                         $linktemplate->param(id => $params{id});
 380                 }
 381                 $ret.=$linktemplate->output;
 382         }
 383
 384         if (! $feedonly) {
 385                 my $template;
 386                 if (! $raw) {
 387                         # cannot use wiki pages as templates; template not sanitized due to
 388                         # format hook hack
 389                         eval {
 390                                 $template=template_depends($params{template}.".tmpl", $params{page},
 391                                         blind_cache => 1);
 392                         };
 393                         if ($@) {
 394                                 # gettext can clobber $@
 395                                 my $error = $@;
 396                                 error sprintf(gettext("failed to process template %s"), $params{template}.".tmpl").": $error";
 397                         }
 398                 }
 399                 my $needcontent=$raw || (!($archive && $quick) && $template->query(name => 'content'));
 400
 401                 foreach my $page (@list) {
 402                         my $file = $pagesources{$page};
 403                         my $type = pagetype($file);
 404                         if (! $raw) {
 405                                 if ($needcontent) {
 406                                         # Get the content before populating the
 407                                         # template, since getting the content uses
 408                                         # the same template if inlines are nested.
 409                                         my $content=get_inline_content($page, $params{destpage});
 410                                         $template->param(content => $content);
 411                                 }
 412                                 $template->param(pageurl => urlto($page, $params{destpage}));
 413                                 $template->param(inlinepage => $page);
 414                                 $template->param(title => pagetitle(basename($page)));
 415                                 $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat}, 1));
 416                                 $template->param(mtime => displaytime($pagemtime{$page}, $params{timeformat}));
 417                                 $template->param(first => 1) if $page eq $list[0];
 418                                 $template->param(last => 1) if $page eq $list[$#list];
 419                                 $template->param(html5 => $config{html5});
 420
 421                                 if ($actions) {
 422                                         my $file = $pagesources{$page};
 423                                         my $type = pagetype($file);
 424                                         if ($config{discussion}) {
 425                                                 if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
 426                                                     (length $config{cgiurl} ||
 427                                                      exists $pagesources{$page."/".lc($config{discussionpage})})) {
 428                                                         $template->param(have_actions => 1);
 429                                                         $template->param(discussionlink =>
 430                                                                 htmllink($page,
 431                                                                         $params{destpage},
 432                                                                         $config{discussionpage},
 433                                                                         noimageinline => 1,
 434                                                                         forcesubpage => 1));
 435                                                 }
 436                                         }
 437                                         if (length $config{cgiurl} &&
 438                                             defined $type &&
 439                                             IkiWiki->can("cgi_editpage")) {
 440                                                 $template->param(have_actions => 1);
 441                                                 $template->param(editurl => cgiurl(do => "edit", page => $page));
 442
 443                                         }
 444                                 }
 445
 446                                 run_hooks(pagetemplate => sub {
 447                                         shift->(page => $page, destpage => $params{destpage},
 448                                                 template => $template,);
 449                                 });
 450
 451                                 $ret.=$template->output;
 452                                 $template->clear_params;
 453                         }
 454                         else {
 455                                 if (defined $type) {
 456                                         $ret.="\n".
 457                                               linkify($page, $params{destpage},
 458                                               preprocess($page, $params{destpage},
 459                                               filter($page, $params{destpage},
 460                                               readfile(srcfile($file)))));
 461                                 }
 462                                 else {
 463                                         $ret.="\n".
 464                                               readfile(srcfile($file));
 465                                 }
 466                         }
 467                 }
 468         }
 469
 470         if ($feeds && ($emptyfeeds || @feedlist)) {
 471                 if ($rss) {
 472                         my $rssp=$feedbase."rss".$feednum;
 473                         will_render($params{destpage}, $rssp);
 474                         if (! $params{preview}) {
 475                                 writefile($rssp, $config{destdir},
 476                                         genfeed("rss",
 477                                                 $config{url}."/".$rssp, $title, $desc, $params{guid}, $params{page}, @feedlist));
 478                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 479                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/rss+xml" title="$rssdesc" href="$rssurl" />};
 480                         }
 481                 }
 482                 if ($atom) {
 483                         my $atomp=$feedbase."atom".$feednum;
 484                         will_render($params{destpage}, $atomp);
 485                         if (! $params{preview}) {
 486                                 writefile($atomp, $config{destdir},
 487                                         genfeed("atom", $config{url}."/".$atomp, $title, $desc, $params{guid}, $params{page}, @feedlist));
 488                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 489                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/atom+xml" title="$atomdesc" href="$atomurl" />};
 490                         }
 491                 }
 492         }
 493
 494         clear_inline_content_cache();
 495
 496         return $ret if $raw || $nested;
 497         push @inline, $ret;
 498         return "<div class=\"inline\" id=\"$#inline\"></div>\n\n";
 499 }
 500
 501 sub pagetemplate_inline (@) {
 502         my %params=@_;
 503         my $page=$params{page};
 504         my $template=$params{template};
 505
 506         $template->param(feedlinks => $feedlinks{$page})
 507                 if exists $feedlinks{$page} && $template->query(name => "feedlinks");
 508 }
 509
 510 {
 511 my %inline_content;
 512 my $cached_destpage="";
 513
 514 sub get_inline_content ($$) {
 515         my $page=shift;
 516         my $destpage=shift;
 517
 518         if (exists $inline_content{$page} && $cached_destpage eq $destpage) {
 519                 return $inline_content{$page};
 520         }
 521
 522         my $file=$pagesources{$page};
 523         my $type=pagetype($file);
 524         my $ret="";
 525         if (defined $type) {
 526                 $nested++;
 527                 $ret=htmlize($page, $destpage, $type,
 528                        linkify($page, $destpage,
 529                        preprocess($page, $destpage,
 530                        filter($page, $destpage,
 531                        readfile(srcfile($file))))));
 532                 $nested--;
 533                 if (isinternal($page)) {
 534                         # make inlined text of internal pages searchable
 535                         run_hooks(indexhtml => sub {
 536                                 shift->(page => $page, destpage => $destpage,
 537                                         content => $ret);
 538                         });
 539                 }
 540         }
 541
 542         if ($cached_destpage ne $destpage) {
 543                 clear_inline_content_cache();
 544                 $cached_destpage=$destpage;
 545         }
 546         return $inline_content{$page}=$ret;
 547 }
 548
 549 sub clear_inline_content_cache () {
 550         %inline_content=();
 551 }
 552
 553 }
 554
 555 sub date_822 ($) {
 556         my $time=shift;
 557
 558         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 559         POSIX::setlocale(&POSIX::LC_TIME, "C");
 560         my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
 561         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 562         return $ret;
 563 }
 564
 565 sub absolute_urls ($$) {
 566         # needed because rss sucks
 567         my $html=shift;
 568         my $baseurl=shift;
 569
 570         my $url=$baseurl;
 571         $url=~s/[^\/]+$//;
 572         my $urltop; # calculated if needed
 573
 574         my $ret="";
 575
 576         eval q{use HTML::Parser; use HTML::Tagset};
 577         die $@ if $@;
 578         my $p = HTML::Parser->new(api_version => 3);
 579         $p->handler(default => sub { $ret.=join("", @_) }, "text");
 580         $p->handler(start => sub {
 581                 my ($tagname, $pos, $text) = @_;
 582                 if (ref $HTML::Tagset::linkElements{$tagname}) {
 583                         while (4 <= @$pos) {
 584                                 # use attribute sets from right to left
 585                                 # to avoid invalidating the offsets
 586                                 # when replacing the values
 587                                 my ($k_offset, $k_len, $v_offset, $v_len) =
 588                                         splice(@$pos, -4);
 589                                 my $attrname = lc(substr($text, $k_offset, $k_len));
 590                                 next unless grep { $_ eq $attrname } @{$HTML::Tagset::linkElements{$tagname}};
 591                                 next unless $v_offset; # 0 v_offset means no value
 592                                 my $v = substr($text, $v_offset, $v_len);
 593                                 $v =~ s/^([\'\"])(.*)\1$/$2/;
 594                                 eval q{use HTML::Entities};
 595                                 my $dv = decode_entities($v);
 596                                 if ($dv=~/^#/) {
 597                                         $v=$baseurl.$v; # anchor
 598                                 }
 599                                 elsif ($dv=~/^(?!\w+:)[^\/]/) {
 600                                         $v=$url.$v; # relative url
 601                                 }
 602                                 elsif ($dv=~/^\//) {
 603                                         if (! defined $urltop) {
 604                                                 # what is the non path part of the url?
 605                                                 my $top_uri = URI->new($url);
 606                                                 $top_uri->path_query(""); # reset the path
 607                                                 $urltop = $top_uri->as_string;
 608                                         }
 609                                         $v=$urltop.$v; # url relative to top of site
 610                                 }
 611                                 $v =~ s/\"/&quot;/g; # since we quote with ""
 612                                 substr($text, $v_offset, $v_len) = qq("$v");
 613                         }
 614                 }
 615                 $ret.=$text;
 616         }, "tagname, tokenpos, text");
 617         $p->parse($html);
 618         $p->eof;
 619
 620         return $ret;
 621 }
 622
 623 sub genenclosure {
 624         my $itemtemplate=shift;
 625         my $url=shift;
 626         my $file=shift;
 627
 628         return unless $itemtemplate->query(name => "enclosure");
 629
 630         my $size=(srcfile_stat($file))[8];
 631         my $mime="unknown";
 632         eval q{use File::MimeInfo};
 633         if (! $@) {
 634                 $mime = mimetype($file);
 635         }
 636         $itemtemplate->param(
 637                 enclosure => $url,
 638                 type => $mime,
 639                 length => $size,
 640         );
 641 }
 642
 643 sub genfeed ($$$$$@) {
 644         my $feedtype=shift;
 645         my $feedurl=shift;
 646         my $feedtitle=shift;
 647         my $feeddesc=shift;
 648         my $guid=shift;
 649         my $page=shift;
 650         my @pages=@_;
 651
 652         my $url=URI->new(encode_utf8(urlto($page,"",1)));
 653
 654         my $itemtemplate=template_depends($feedtype."item.tmpl", $page, blind_cache => 1);
 655         my $content="";
 656         my $lasttime = 0;
 657         foreach my $p (@pages) {
 658                 my $u=URI->new(encode_utf8(urlto($p, "", 1)));
 659                 my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
 660                 my $fancy_enclosure_seen = 0;
 661
 662                 $itemtemplate->param(
 663                         title => pagetitle(basename($p)),
 664                         url => $u,
 665                         permalink => $u,
 666                         cdate_822 => date_822($pagectime{$p}),
 667                         mdate_822 => date_822($pagemtime{$p}),
 668                         cdate_3339 => date_3339($pagectime{$p}),
 669                         mdate_3339 => date_3339($pagemtime{$p}),
 670                 );
 671
 672                 if (exists $pagestate{$p}) {
 673                         if (exists $pagestate{$p}{meta}{guid}) {
 674                                 eval q{use HTML::Entities};
 675                                 $itemtemplate->param(guid => HTML::Entities::encode_numeric($pagestate{$p}{meta}{guid}));
 676                         }
 677
 678                         if (exists $pagestate{$p}{meta}{updated}) {
 679                                 $itemtemplate->param(mdate_822 => date_822($pagestate{$p}{meta}{updated}));
 680                                 $itemtemplate->param(mdate_3339 => date_3339($pagestate{$p}{meta}{updated}));
 681                         }
 682
 683                         if (exists $pagestate{$p}{meta}{enclosure}) {
 684                                 my $absurl = $pagestate{$p}{meta}{enclosure};
 685                                 my $file = $pagestate{$p}{meta}{enclosurefile};
 686                                 genenclosure($itemtemplate, $absurl, $file);
 687                                 $fancy_enclosure_seen = 1;
 688                         }
 689                 }
 690
 691                 my $file=$pagesources{$p};
 692                 unless ($fancy_enclosure_seen || defined(pagetype($file))) {
 693                         genenclosure($itemtemplate, $u, $file);
 694                         $itemtemplate->param(simplepodcast => 1);
 695                 }
 696
 697                 $itemtemplate->param(content => $pcontent);
 698
 699                 run_hooks(pagetemplate => sub {
 700                         shift->(page => $p, destpage => $page,
 701                                 template => $itemtemplate);
 702                 });
 703
 704                 $content.=$itemtemplate->output;
 705                 $itemtemplate->clear_params;
 706
 707                 $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;
 708         }
 709
 710         my $template=template_depends($feedtype."page.tmpl", $page, blind_cache => 1);
 711         $template->param(
 712                 title => $feedtitle,
 713                 wikiname => $config{wikiname},
 714                 pageurl => $url,
 715                 content => $content,
 716                 feeddesc => $feeddesc,
 717                 guid => $guid,
 718                 feeddate => date_3339($lasttime),
 719                 feeddate_822 => date_822($lasttime),
 720                 feedurl => $feedurl,
 721         );
 722         run_hooks(pagetemplate => sub {
 723                 shift->(page => $page, destpage => $page,
 724                         template => $template);
 725         });
 726
 727         return $template->output;
 728 }
 729
 730 sub pingurl (@) {
 731         return unless @{$config{pingurl}} && %toping;
 732
 733         eval q{require RPC::XML::Client};
 734         if ($@) {
 735                 debug(gettext("RPC::XML::Client not found, not pinging"));
 736                 return;
 737         }
 738
 739         # daemonize here so slow pings don't slow down wiki updates
 740         defined(my $pid = fork) or error("Can't fork: $!");
 741         return if $pid;
 742         chdir '/';
 743         POSIX::setsid() or error("Can't start a new session: $!");
 744         open STDIN, '/dev/null';
 745         open STDOUT, '>/dev/null';
 746         open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
 747
 748         # Don't need to keep a lock on the wiki as a daemon.
 749         IkiWiki::unlockwiki();
 750
 751         foreach my $page (keys %toping) {
 752                 my $title=pagetitle(basename($page), 0);
 753                 my $url=urlto($page, "", 1);
 754                 foreach my $pingurl (@{$config{pingurl}}) {
 755                         debug("Pinging $pingurl for $page");
 756                         eval {
 757                                 my $client = RPC::XML::Client->new($pingurl);
 758                                 my $req = RPC::XML::request->new('weblogUpdates.ping',
 759                                         $title, $url);
 760                                 my $res = $client->send_request($req);
 761                                 if (! ref $res) {
 762                                         error("Did not receive response to ping");
 763                                 }
 764                                 my $r=$res->value;
 765                                 if (! exists $r->{flerror} || $r->{flerror}) {
 766                                         error("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
 767                                 }
 768                         };
 769                         if ($@) {
 770                                 error "Ping failed: $@";
 771                         }
 772                 }
 773         }
 774
 775         exit 0; # daemon done
 776 }
 777
 778
 779 sub rootpage (@) {
 780         my %params=@_;
 781
 782         my $rootpage;
 783         if (exists $params{rootpage}) {
 784                 $rootpage=bestlink($params{page}, $params{rootpage});
 785                 if (!length $rootpage) {
 786                         $rootpage=$params{rootpage};
 787                 }
 788         }
 789         else {
 790                 $rootpage=$params{page};
 791         }
 792         return $rootpage;
 793 }
 794
 795 1