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(scalar $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 by age with fallback to title,
 164                         # the same as inline itself, but let the params
 165                         # override that
 166                         IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age title', %params);
 167                 }
 168
 169                 return;
 170         }
 171
 172         if (yesno($params{trail}) && IkiWiki::Plugin::trail->can("preprocess_trailitems")) {
 173                 scalar IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age title', %params);
 174         }
 175
 176         my $raw=yesno($params{raw});
 177         my $archive=yesno($params{archive});
 178         my $rss=(($config{rss} || $config{allowrss}) && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
 179         my $atom=(($config{atom} || $config{allowatom}) && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
 180         my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
 181         my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick && ! $raw;
 182         my $emptyfeeds=exists $params{emptyfeeds} ? yesno($params{emptyfeeds}) : 1;
 183         my $feedonly=yesno($params{feedonly});
 184
 185         # Backwards compatibility
 186         if (defined $params{show} && $params{show} =~ m/^\d+$/) {
 187                 $params{limit} = $params{show};
 188                 delete $params{show};
 189         }
 190         if (defined $params{feedshow} && $params{feedshow} =~ m/^\d+$/) {
 191                 $params{feedlimit} = $params{feedshow};
 192                 delete $params{feedshow};
 193         }
 194
 195         if (! exists $params{limit} && ! $archive) {
 196                 $params{limit}=10;
 197         }
 198         if (! exists $params{feedlimit} && exists $params{limit}) {
 199                 $params{feedlimit}=$params{limit};
 200         }
 201         my $title;
 202         if (exists $params{title}) {
 203                 $title = $params{title};
 204         }
 205         else {
 206                 $title = $params{page} ne "index" ? pagetitle($params{page}) : $config{wikiname};
 207         }
 208         my $desc;
 209         if (exists $params{description}) {
 210                 $desc = $params{description}
 211         }
 212         else {
 213                 $desc = $config{wikiname};
 214         }
 215         my $actions=yesno($params{actions});
 216         if (exists $params{template}) {
 217                 $params{template}=~s/[^-_a-zA-Z0-9]+//g;
 218         }
 219         else {
 220                 $params{template} = $archive ? "archivepage" : "inlinepage";
 221         }
 222
 223         my @list;
 224
 225         if (exists $params{pagenames}) {
 226                 foreach my $p (qw(sort pages)) {
 227                         if (exists $params{$p}) {
 228                                 error sprintf(gettext("the %s and %s parameters cannot be used together"),
 229                                         "pagenames", $p);
 230                         }
 231                 }
 232
 233                 @list = split ' ', $params{pagenames};
 234
 235                 if (yesno($params{reverse})) {
 236                         @list=reverse(@list);
 237                 }
 238
 239                 foreach my $p (@list) {
 240                         add_depends($params{page}, $p, deptype($quick ? "presence" : "content"));
 241                 }
 242
 243                 @list = grep { exists $pagesources{$_} } @list;
 244         }
 245         else {
 246                 my $num=0;
 247                 if ($params{limit}) {
 248                         $num=$params{limit};
 249                 }
 250                 if ($params{feedlimit} && $num < $params{feedlimit} && $num > 0) {
 251                         $num=$params{feedlimit};
 252                 }
 253                 if ($params{skip} && $num) {
 254                         $num+=$params{skip};
 255                 }
 256
 257                 @list = pagespec_match_list($params{page}, $params{pages},
 258                         deptype => deptype($quick ? "presence" : "content"),
 259                         filter => sub { $_[0] eq $params{page} },
 260                         sort => exists $params{sort} ? $params{sort} : "age title",
 261                         reverse => yesno($params{reverse}),
 262                         ($num ? (num => $num) : ()),
 263                 );
 264         }
 265
 266         if (exists $params{skip}) {
 267                 @list=@list[$params{skip} .. $#list];
 268         }
 269
 270         my @feedlist;
 271         if ($feeds) {
 272                 if (exists $params{feedlimit} &&
 273                     $params{feedlimit} && @list > $params{feedlimit}) {
 274                         @feedlist=@list[0..$params{feedlimit} - 1];
 275                 }
 276                 else {
 277                         @feedlist=@list;
 278                 }
 279         }
 280
 281         if ($params{limit} && @list > $params{limit}) {
 282                 @list=@list[0..$params{limit} - 1];
 283         }
 284
 285         if ($feeds && exists $params{feedpages}) {
 286                 @feedlist = pagespec_match_list(
 287                         $params{page}, "($params{pages}) and ($params{feedpages})",
 288                         deptype => deptype($quick ? "presence" : "content"),
 289                         list => \@feedlist,
 290                 );
 291         }
 292
 293         my ($feedbase, $feednum);
 294         if ($feeds) {
 295                 # Ensure that multiple feeds on a page go to unique files.
 296
 297                 # Feedfile can lead to conflicts if usedirs is not enabled,
 298                 # so avoid supporting it in that case.
 299                 delete $params{feedfile} if ! $config{usedirs};
 300                 # Tight limits on legal feedfiles, to avoid security issues
 301                 # and conflicts.
 302                 if (defined $params{feedfile}) {
 303                         if ($params{feedfile} =~ /\// ||
 304                             $params{feedfile} !~ /$config{wiki_file_regexp}/) {
 305                                 error("illegal feedfile");
 306                         }
 307                         $params{feedfile}=possibly_foolish_untaint($params{feedfile});
 308                 }
 309                 $feedbase=targetpage($params{page}, "", $params{feedfile});
 310
 311                 my $feedid=join("\0", $feedbase, map { $_."\0".$params{$_} } sort keys %params);
 312                 if (exists $knownfeeds{$feedid}) {
 313                         $feednum=$knownfeeds{$feedid};
 314                 }
 315                 else {
 316                         if (exists $page_numfeeds{$params{destpage}}{$feedbase}) {
 317                                 if ($feeds) {
 318                                         $feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}}{$feedbase};
 319                                 }
 320                         }
 321                         else {
 322                                 $feednum=$knownfeeds{$feedid}="";
 323                                 if ($feeds) {
 324                                         $page_numfeeds{$params{destpage}}{$feedbase}=1;
 325                                 }
 326                         }
 327                 }
 328         }
 329
 330         my ($rssurl, $atomurl, $rssdesc, $atomdesc);
 331         if ($feeds) {
 332                 if ($rss) {
 333                         $rssurl=abs2rel($feedbase."rss".$feednum, dirname(htmlpage($params{destpage})));
 334                         $rssdesc = sprintf(gettext("%s (RSS feed)"), $desc);
 335                 }
 336                 if ($atom) {
 337                         $atomurl=abs2rel($feedbase."atom".$feednum, dirname(htmlpage($params{destpage})));
 338                         $atomdesc = sprintf(gettext("%s (Atom feed)"), $desc);
 339                 }
 340         }
 341
 342         my $ret="";
 343
 344         my $postform = (exists $params{rootpage});
 345         if (exists $params{postform}) {
 346                 $postform = yesno($params{postform});
 347         }
 348
 349         if (length $config{cgiurl} && ! $params{preview} && $postform &&
 350             IkiWiki->can("cgi_editpage")) {
 351                 # Add a blog post form, with feed buttons.
 352                 my $formtemplate=template_depends("blogpost.tmpl", $params{page}, blind_cache => 1);
 353                 $formtemplate->param(cgiurl => IkiWiki::cgiurl());
 354                 $formtemplate->param(rootpage => rootpage(%params));
 355                 if ($feeds) {
 356                         if ($rss) {
 357                                 $formtemplate->param(rssurl => $rssurl);
 358                                 $formtemplate->param(rssdesc => $rssdesc);
 359                         }
 360                         if ($atom) {
 361                                 $formtemplate->param(atomurl => $atomurl);
 362                                 $formtemplate->param(atomdesc => $atomdesc);
 363                         }
 364                 }
 365                 if (exists $params{postformtext}) {
 366                         $formtemplate->param(postformtext =>
 367                                 $params{postformtext});
 368                 }
 369                 else {
 370                         $formtemplate->param(postformtext =>
 371                                 gettext("Add a new post titled:"));
 372                 }
 373                 if (exists $params{id}) {
 374                         $formtemplate->param(postformid =>
 375                                 $params{id});
 376                 }
 377                 $ret.=$formtemplate->output;
 378
 379                 # The post form includes the feed buttons, so
 380                 # emptyfeeds cannot be hidden.
 381                 $emptyfeeds=1;
 382         }
 383         elsif ($feeds && !$params{preview} && ($emptyfeeds || @feedlist)) {
 384                 # Add feed buttons.
 385                 my $linktemplate=template_depends("feedlink.tmpl", $params{page}, blind_cache => 1);
 386                 if ($rss) {
 387                         $linktemplate->param(rssurl => $rssurl);
 388                         $linktemplate->param(rssdesc => $rssdesc);
 389                 }
 390                 if ($atom) {
 391                         $linktemplate->param(atomurl => $atomurl);
 392                         $linktemplate->param(atomdesc => $atomdesc);
 393                 }
 394                 if (exists $params{id}) {
 395                         $linktemplate->param(id => $params{id});
 396                 }
 397                 $ret.=$linktemplate->output;
 398         }
 399
 400         if (! $feedonly) {
 401                 my $template;
 402                 if (! $raw) {
 403                         # cannot use wiki pages as templates; template not sanitized due to
 404                         # format hook hack
 405                         eval {
 406                                 $template=template_depends($params{template}.".tmpl", $params{page},
 407                                         blind_cache => 1);
 408                         };
 409                         if ($@) {
 410                                 # gettext can clobber $@
 411                                 my $error = $@;
 412                                 error sprintf(gettext("failed to process template %s"), $params{template}.".tmpl").": $error";
 413                         }
 414                 }
 415                 my $needcontent=$raw || (!($archive && $quick) && $template->query(name => 'content'));
 416
 417                 foreach my $page (@list) {
 418                         my $file = $pagesources{$page};
 419                         my $type = pagetype($file);
 420                         if (! $raw) {
 421                                 if ($needcontent) {
 422                                         # Get the content before populating the
 423                                         # template, since getting the content uses
 424                                         # the same template if inlines are nested.
 425                                         my $content=get_inline_content($page, $params{destpage});
 426                                         $template->param(content => $content);
 427                                 }
 428                                 $template->param(pageurl => urlto($page, $params{destpage}));
 429                                 $template->param(inlinepage => $page);
 430                                 $template->param(title => pagetitle(basename($page)));
 431                                 $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat}, 1));
 432                                 $template->param(mtime => displaytime($pagemtime{$page}, $params{timeformat}));
 433                                 $template->param(first => 1) if $page eq $list[0];
 434                                 $template->param(last => 1) if $page eq $list[$#list];
 435                                 $template->param(html5 => $config{html5});
 436
 437                                 if ($actions) {
 438                                         my $file = $pagesources{$page};
 439                                         my $type = pagetype($file);
 440                                         if ($config{discussion}) {
 441                                                 if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
 442                                                     (length $config{cgiurl} ||
 443                                                      exists $pagesources{$page."/".lc($config{discussionpage})})) {
 444                                                         $template->param(have_actions => 1);
 445                                                         $template->param(discussionlink =>
 446                                                                 htmllink($page,
 447                                                                         $params{destpage},
 448                                                                         $config{discussionpage},
 449                                                                         noimageinline => 1,
 450                                                                         forcesubpage => 1));
 451                                                 }
 452                                         }
 453                                         if (length $config{cgiurl} &&
 454                                             defined $type &&
 455                                             IkiWiki->can("cgi_editpage")) {
 456                                                 $template->param(have_actions => 1);
 457                                                 $template->param(editurl => cgiurl(do => "edit", page => $page));
 458
 459                                         }
 460                                 }
 461
 462                                 run_hooks(pagetemplate => sub {
 463                                         shift->(page => $page, destpage => $params{destpage},
 464                                                 template => $template,);
 465                                 });
 466
 467                                 $ret.=$template->output;
 468                                 $template->clear_params;
 469                         }
 470                         else {
 471                                 if (defined $type) {
 472                                         $ret.="\n".
 473                                               linkify($page, $params{destpage},
 474                                               preprocess($page, $params{destpage},
 475                                               filter($page, $params{destpage},
 476                                               readfile(srcfile($file)))));
 477                                 }
 478                                 else {
 479                                         $ret.="\n".
 480                                               readfile(srcfile($file));
 481                                 }
 482                         }
 483                 }
 484         }
 485
 486         if ($feeds && ($emptyfeeds || @feedlist)) {
 487                 if ($rss) {
 488                         my $rssp=$feedbase."rss".$feednum;
 489                         will_render($params{destpage}, $rssp);
 490                         if (! $params{preview}) {
 491                                 writefile($rssp, $config{destdir},
 492                                         genfeed("rss",
 493                                                 $config{url}."/".$rssp, $title, $desc, $params{guid}, $params{page}, @feedlist));
 494                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 495                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/rss+xml" title="$rssdesc" href="$rssurl" />};
 496                         }
 497                 }
 498                 if ($atom) {
 499                         my $atomp=$feedbase."atom".$feednum;
 500                         will_render($params{destpage}, $atomp);
 501                         if (! $params{preview}) {
 502                                 writefile($atomp, $config{destdir},
 503                                         genfeed("atom", $config{url}."/".$atomp, $title, $desc, $params{guid}, $params{page}, @feedlist));
 504                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 505                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/atom+xml" title="$atomdesc" href="$atomurl" />};
 506                         }
 507                 }
 508         }
 509
 510         clear_inline_content_cache();
 511
 512         return $ret if $raw || $nested;
 513         push @inline, $ret;
 514         return "<div class=\"inline\" id=\"$#inline\"></div>\n\n";
 515 }
 516
 517 sub pagetemplate_inline (@) {
 518         my %params=@_;
 519         my $page=$params{page};
 520         my $template=$params{template};
 521
 522         $template->param(feedlinks => $feedlinks{$page})
 523                 if exists $feedlinks{$page} && $template->query(name => "feedlinks");
 524 }
 525
 526 {
 527 my %inline_content;
 528 my $cached_destpage="";
 529
 530 sub get_inline_content ($$) {
 531         my $page=shift;
 532         my $destpage=shift;
 533
 534         if (exists $inline_content{$page} && $cached_destpage eq $destpage) {
 535                 return $inline_content{$page};
 536         }
 537
 538         my $file=$pagesources{$page};
 539         my $type=pagetype($file);
 540         my $ret="";
 541         if (defined $type) {
 542                 $nested++;
 543                 $ret=htmlize($page, $destpage, $type,
 544                        linkify($page, $destpage,
 545                        preprocess($page, $destpage,
 546                        filter($page, $destpage,
 547                        readfile(srcfile($file))))));
 548                 $nested--;
 549                 if (isinternal($page)) {
 550                         # make inlined text of internal pages searchable
 551                         run_hooks(indexhtml => sub {
 552                                 shift->(page => $page, destpage => $destpage,
 553                                         content => $ret);
 554                         });
 555                 }
 556         }
 557
 558         if ($cached_destpage ne $destpage) {
 559                 clear_inline_content_cache();
 560                 $cached_destpage=$destpage;
 561         }
 562         return $inline_content{$page}=$ret;
 563 }
 564
 565 sub clear_inline_content_cache () {
 566         %inline_content=();
 567 }
 568
 569 }
 570
 571 sub date_822 ($) {
 572         my $time=shift;
 573
 574         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 575         POSIX::setlocale(&POSIX::LC_TIME, "C");
 576         my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
 577         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 578         return $ret;
 579 }
 580
 581 sub absolute_urls ($$) {
 582         # needed because rss sucks
 583         my $html=shift;
 584         my $baseurl=shift;
 585
 586         my $url=$baseurl;
 587         $url=~s/[^\/]+$//;
 588         my $urltop; # calculated if needed
 589
 590         my $ret="";
 591
 592         eval q{use HTML::Parser; use HTML::Tagset};
 593         die $@ if $@;
 594         my $p = HTML::Parser->new(api_version => 3);
 595         $p->handler(default => sub { $ret.=join("", @_) }, "text");
 596         $p->handler(start => sub {
 597                 my ($tagname, $pos, $text) = @_;
 598                 if (ref $HTML::Tagset::linkElements{$tagname}) {
 599                         while (4 <= @$pos) {
 600                                 # use attribute sets from right to left
 601                                 # to avoid invalidating the offsets
 602                                 # when replacing the values
 603                                 my ($k_offset, $k_len, $v_offset, $v_len) =
 604                                         splice(@$pos, -4);
 605                                 my $attrname = lc(substr($text, $k_offset, $k_len));
 606                                 next unless grep { $_ eq $attrname } @{$HTML::Tagset::linkElements{$tagname}};
 607                                 next unless $v_offset; # 0 v_offset means no value
 608                                 my $v = substr($text, $v_offset, $v_len);
 609                                 $v =~ s/^([\'\"])(.*)\1$/$2/;
 610                                 eval q{use HTML::Entities};
 611                                 my $dv = decode_entities($v);
 612                                 if ($dv=~/^#/) {
 613                                         $v=$baseurl.$v; # anchor
 614                                 }
 615                                 elsif ($dv=~/^(?!\w+:)[^\/]/) {
 616                                         $v=URI->new_abs($v, $url)->canonical; # relative url
 617                                 }
 618                                 elsif ($dv=~/^\//) {
 619                                         if (! defined $urltop) {
 620                                                 # what is the non path part of the url?
 621                                                 my $top_uri = URI->new($url);
 622                                                 $top_uri->path_query(""); # reset the path
 623                                                 $urltop = $top_uri->as_string;
 624                                         }
 625                                         $v=$urltop.$v; # url relative to top of site
 626                                 }
 627                                 $v =~ s/\"/&quot;/g; # since we quote with ""
 628                                 substr($text, $v_offset, $v_len) = qq("$v");
 629                         }
 630                 }
 631                 $ret.=$text;
 632         }, "tagname, tokenpos, text");
 633         $p->parse($html);
 634         $p->eof;
 635
 636         return $ret;
 637 }
 638
 639 sub genenclosure {
 640         my $itemtemplate=shift;
 641         my $url=shift;
 642         my $file=shift;
 643
 644         return unless $itemtemplate->query(name => "enclosure");
 645
 646         my $size=(srcfile_stat($file))[8];
 647         my $mime="unknown";
 648         eval q{use File::MimeInfo};
 649         if (! $@) {
 650                 $mime = mimetype($file);
 651         }
 652         $itemtemplate->param(
 653                 enclosure => $url,
 654                 type => $mime,
 655                 length => $size,
 656         );
 657 }
 658
 659 sub genfeed ($$$$$@) {
 660         my $feedtype=shift;
 661         my $feedurl=shift;
 662         my $feedtitle=shift;
 663         my $feeddesc=shift;
 664         my $guid=shift;
 665         my $page=shift;
 666         my @pages=@_;
 667
 668         my $url=URI->new(encode_utf8(urlto($page,"",1)));
 669
 670         my $itemtemplate=template_depends($feedtype."item.tmpl", $page, blind_cache => 1);
 671         my $content="";
 672         my $lasttime = 0;
 673         foreach my $p (@pages) {
 674                 my $u=URI->new(encode_utf8(urlto($p, "", 1)));
 675                 my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
 676                 my $fancy_enclosure_seen = 0;
 677
 678                 $itemtemplate->param(
 679                         title => pagetitle(basename($p)),
 680                         url => $u,
 681                         permalink => $u,
 682                         cdate_822 => date_822($pagectime{$p}),
 683                         mdate_822 => date_822($pagemtime{$p}),
 684                         cdate_3339 => date_3339($pagectime{$p}),
 685                         mdate_3339 => date_3339($pagemtime{$p}),
 686                 );
 687
 688                 if (exists $pagestate{$p}) {
 689                         if (exists $pagestate{$p}{meta}{guid}) {
 690                                 eval q{use HTML::Entities};
 691                                 $itemtemplate->param(guid => HTML::Entities::encode_numeric($pagestate{$p}{meta}{guid}));
 692                         }
 693
 694                         if (exists $pagestate{$p}{meta}{updated}) {
 695                                 $itemtemplate->param(mdate_822 => date_822($pagestate{$p}{meta}{updated}));
 696                                 $itemtemplate->param(mdate_3339 => date_3339($pagestate{$p}{meta}{updated}));
 697                         }
 698
 699                         if (exists $pagestate{$p}{meta}{enclosure}) {
 700                                 my $absurl = $pagestate{$p}{meta}{enclosure};
 701                                 my $file = $pagestate{$p}{meta}{enclosurefile};
 702                                 genenclosure($itemtemplate, $absurl, $file);
 703                                 $fancy_enclosure_seen = 1;
 704                         }
 705                 }
 706
 707                 my $file=$pagesources{$p};
 708                 unless ($fancy_enclosure_seen || defined(pagetype($file))) {
 709                         genenclosure($itemtemplate, $u, $file);
 710                         $itemtemplate->param(simplepodcast => 1);
 711                 }
 712
 713                 $itemtemplate->param(content => $pcontent);
 714
 715                 run_hooks(pagetemplate => sub {
 716                         shift->(page => $p, destpage => $page,
 717                                 template => $itemtemplate);
 718                 });
 719
 720                 $content.=$itemtemplate->output;
 721                 $itemtemplate->clear_params;
 722
 723                 $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;
 724         }
 725
 726         my $template=template_depends($feedtype."page.tmpl", $page, blind_cache => 1);
 727         $template->param(
 728                 wants_absolute_urls => 1,
 729                 title => $feedtitle,
 730                 wikiname => $config{wikiname},
 731                 pageurl => $url,
 732                 content => $content,
 733                 feeddesc => $feeddesc,
 734                 guid => $guid,
 735                 feeddate => date_3339($lasttime),
 736                 feeddate_822 => date_822($lasttime),
 737                 feedurl => $feedurl,
 738         );
 739         run_hooks(pagetemplate => sub {
 740                 shift->(page => $page, destpage => $page,
 741                         template => $template);
 742         });
 743
 744         return $template->output;
 745 }
 746
 747 sub pingurl (@) {
 748         return unless @{$config{pingurl}} && %toping;
 749
 750         eval q{require RPC::XML::Client};
 751         if ($@) {
 752                 debug(gettext("RPC::XML::Client not found, not pinging"));
 753                 return;
 754         }
 755
 756         # daemonize here so slow pings don't slow down wiki updates
 757         defined(my $pid = fork) or error("Can't fork: $!");
 758         return if $pid;
 759         chdir '/';
 760         POSIX::setsid() or error("Can't start a new session: $!");
 761         open STDIN, '/dev/null';
 762         open STDOUT, '>/dev/null';
 763         open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
 764
 765         # Don't need to keep a lock on the wiki as a daemon.
 766         IkiWiki::unlockwiki();
 767
 768         foreach my $page (keys %toping) {
 769                 my $title=pagetitle(basename($page), 0);
 770                 my $url=urlto($page, "", 1);
 771                 foreach my $pingurl (@{$config{pingurl}}) {
 772                         debug("Pinging $pingurl for $page");
 773                         eval {
 774                                 my $client = RPC::XML::Client->new($pingurl);
 775                                 my $req = RPC::XML::request->new('weblogUpdates.ping',
 776                                         $title, $url);
 777                                 my $res = $client->send_request($req);
 778                                 if (! ref $res) {
 779                                         error("Did not receive response to ping");
 780                                 }
 781                                 my $r=$res->value;
 782                                 if (! exists $r->{flerror} || $r->{flerror}) {
 783                                         error("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
 784                                 }
 785                         };
 786                         if ($@) {
 787                                 error "Ping failed: $@";
 788                         }
 789                 }
 790         }
 791
 792         exit 0; # daemon done
 793 }
 794
 795
 796 sub rootpage (@) {
 797         my %params=@_;
 798
 799         my $rootpage;
 800         if (exists $params{rootpage}) {
 801                 $rootpage=bestlink($params{page}, $params{rootpage});
 802                 if (!length $rootpage) {
 803                         $rootpage=$params{rootpage};
 804                 }
 805         }
 806         else {
 807                 $rootpage=$params{page};
 808         }
 809         return $rootpage;
 810 }
 811
 812 1