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 (! length $page) {
 125                         error(gettext("please enter a page title"));
 126                 }
 127                 # if the page already exists, munge it to be unique
 128                 my $from=decode_utf8($q->param('from'));
 129                 my $add="";
 130                 while (exists $IkiWiki::pagecase{lc($from."/".$page.$add)}) {
 131                         $add=1 unless length $add;
 132                         $add++;
 133                 }
 134                 $q->param('page', "/$from/$page$add");
 135                 # now go create the page
 136                 $q->param('do', 'create');
 137                 # make sure the editpage plugin is loaded
 138                 if (IkiWiki->can("cgi_editpage")) {
 139                         IkiWiki::cgi_editpage($q, $session);
 140                 }
 141                 else {
 142                         error(gettext("page editing not allowed"));
 143                 }
 144                 exit;
 145         }
 146 }
 147
 148 # Back to ikiwiki namespace for the rest, this code is very much
 149 # internal to ikiwiki even though it's separated into a plugin.
 150 package IkiWiki;
 151
 152 my %toping;
 153 my %feedlinks;
 154
 155 sub preprocess_inline (@) {
 156         my %params=@_;
 157
 158         if (! exists $params{pages} && ! exists $params{pagenames}) {
 159                 error gettext("missing pages parameter");
 160         }
 161
 162         if (! defined wantarray) {
 163                 # Running in scan mode: only do the essentials
 164
 165                 if (yesno($params{trail}) && IkiWiki::Plugin::trail->can("preprocess_trailitems")) {
 166                         # default to sorting by age with fallback to title,
 167                         # the same as inline itself, but let the params
 168                         # override that
 169                         IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age title', %params);
 170                 }
 171
 172                 return;
 173         }
 174
 175         if (yesno($params{trail}) && IkiWiki::Plugin::trail->can("preprocess_trailitems")) {
 176                 scalar IkiWiki::Plugin::trail::preprocess_trailitems(sort => 'age title', %params);
 177         }
 178
 179         my $raw=yesno($params{raw});
 180         my $archive=yesno($params{archive});
 181         my $rss=(($config{rss} || $config{allowrss}) && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
 182         my $atom=(($config{atom} || $config{allowatom}) && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
 183         my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
 184         my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick && ! $raw;
 185         my $emptyfeeds=exists $params{emptyfeeds} ? yesno($params{emptyfeeds}) : 1;
 186         my $feedonly=yesno($params{feedonly});
 187
 188         # Backwards compatibility
 189         if (defined $params{show} && $params{show} =~ m/^-?\d+$/) {
 190                 $params{limit} = $params{show};
 191                 delete $params{show};
 192         }
 193         if (defined $params{feedshow} && $params{feedshow} =~ m/^\d+$/) {
 194                 $params{feedlimit} = $params{feedshow};
 195                 delete $params{feedshow};
 196         }
 197
 198         if (! exists $params{limit} && ! $archive) {
 199                 $params{limit}=10;
 200         }
 201         if (! exists $params{feedlimit} && exists $params{limit}) {
 202                 $params{feedlimit}=$params{limit};
 203         }
 204         my $title;
 205         if (exists $params{title}) {
 206                 $title = $params{title};
 207         }
 208         else {
 209                 $title = $params{page} ne "index" ? pagetitle($params{page}) : $config{wikiname};
 210         }
 211         my $desc;
 212         if (exists $params{description}) {
 213                 $desc = $params{description}
 214         }
 215         else {
 216                 $desc = $config{wikiname};
 217         }
 218         my $actions=yesno($params{actions});
 219         if (exists $params{template}) {
 220                 $params{template}=~s/[^-_a-zA-Z0-9]+//g;
 221         }
 222         else {
 223                 $params{template} = $archive ? "archivepage" : "inlinepage";
 224         }
 225
 226         my @list;
 227
 228         if (exists $params{pagenames}) {
 229                 foreach my $p (qw(sort pages)) {
 230                         if (exists $params{$p}) {
 231                                 error sprintf(gettext("the %s and %s parameters cannot be used together"),
 232                                         "pagenames", $p);
 233                         }
 234                 }
 235
 236                 @list = split ' ', $params{pagenames};
 237
 238                 if (yesno($params{reverse})) {
 239                         @list=reverse(@list);
 240                 }
 241
 242                 foreach my $p (@list) {
 243                         add_depends($params{page}, $p, deptype($quick ? "presence" : "content"));
 244                 }
 245
 246                 @list = grep { exists $pagesources{$_} } @list;
 247         }
 248         else {
 249                 my $num=0;
 250                 if ($params{limit}) {
 251                         $num=$params{limit};
 252                 }
 253                 if ($params{feedlimit} && $num < $params{feedlimit} && $num > 0) {
 254                         $num=$params{feedlimit};
 255                 }
 256                 if ($params{skip} && $num) {
 257                         $num+=$params{skip};
 258                 }
 259
 260                 @list = pagespec_match_list($params{page}, $params{pages},
 261                         deptype => deptype($quick ? "presence" : "content"),
 262                         filter => sub { $_[0] eq $params{page} },
 263                         sort => exists $params{sort} ? $params{sort} : "age title",
 264                         reverse => yesno($params{reverse}),
 265                         ($num ? (num => $num) : ()),
 266                 );
 267         }
 268
 269         if (exists $params{skip}) {
 270                 @list=@list[$params{skip} .. $#list];
 271         }
 272
 273         my @feedlist;
 274         if ($feeds) {
 275                 if (exists $params{feedlimit} &&
 276                     $params{feedlimit} && @list > $params{feedlimit}) {
 277                         @feedlist=@list[0..$params{feedlimit} - 1];
 278                 }
 279                 else {
 280                         @feedlist=@list;
 281                 }
 282         }
 283
 284         if ($params{limit} && @list > $params{limit}) {
 285                 @list=@list[0..$params{limit} - 1];
 286         }
 287
 288         if ($feeds && exists $params{feedpages}) {
 289                 @feedlist = pagespec_match_list(
 290                         $params{page}, "($params{pages}) and ($params{feedpages})",
 291                         deptype => deptype($quick ? "presence" : "content"),
 292                         list => \@feedlist,
 293                 );
 294         }
 295
 296         my ($feedbase, $feednum);
 297         if ($feeds) {
 298                 # Ensure that multiple feeds on a page go to unique files.
 299
 300                 # Feedfile can lead to conflicts if usedirs is not enabled,
 301                 # so avoid supporting it in that case.
 302                 delete $params{feedfile} if ! $config{usedirs};
 303                 # Tight limits on legal feedfiles, to avoid security issues
 304                 # and conflicts.
 305                 if (defined $params{feedfile}) {
 306                         if ($params{feedfile} =~ /\// ||
 307                             $params{feedfile} !~ /$config{wiki_file_regexp}/) {
 308                                 error("illegal feedfile");
 309                         }
 310                         $params{feedfile}=possibly_foolish_untaint($params{feedfile});
 311                 }
 312                 $feedbase=targetpage($params{page}, "", $params{feedfile});
 313
 314                 my $feedid=join("\0", $feedbase, map { $_."\0".$params{$_} } sort keys %params);
 315                 if (exists $knownfeeds{$feedid}) {
 316                         $feednum=$knownfeeds{$feedid};
 317                 }
 318                 else {
 319                         if (exists $page_numfeeds{$params{destpage}}{$feedbase}) {
 320                                 if ($feeds) {
 321                                         $feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}}{$feedbase};
 322                                 }
 323                         }
 324                         else {
 325                                 $feednum=$knownfeeds{$feedid}="";
 326                                 if ($feeds) {
 327                                         $page_numfeeds{$params{destpage}}{$feedbase}=1;
 328                                 }
 329                         }
 330                 }
 331         }
 332
 333         my ($rssurl, $atomurl, $rssdesc, $atomdesc);
 334         if ($feeds) {
 335                 if ($rss) {
 336                         $rssurl=abs2rel($feedbase."rss".$feednum, dirname(htmlpage($params{destpage})));
 337                         $rssdesc = sprintf(gettext("%s (RSS feed)"), $desc);
 338                 }
 339                 if ($atom) {
 340                         $atomurl=abs2rel($feedbase."atom".$feednum, dirname(htmlpage($params{destpage})));
 341                         $atomdesc = sprintf(gettext("%s (Atom feed)"), $desc);
 342                 }
 343         }
 344
 345         my $ret="";
 346
 347         my $postform = (exists $params{rootpage});
 348         if (exists $params{postform}) {
 349                 $postform = yesno($params{postform});
 350         }
 351
 352         if (length $config{cgiurl} && ! $params{preview} && $postform &&
 353             IkiWiki->can("cgi_editpage")) {
 354                 # Add a blog post form, with feed buttons.
 355                 my $formtemplate=template_depends("blogpost.tmpl", $params{page}, blind_cache => 1);
 356                 $formtemplate->param(cgiurl => IkiWiki::cgiurl());
 357                 $formtemplate->param(rootpage => rootpage(%params));
 358                 if ($feeds) {
 359                         if ($rss) {
 360                                 $formtemplate->param(rssurl => $rssurl);
 361                                 $formtemplate->param(rssdesc => $rssdesc);
 362                         }
 363                         if ($atom) {
 364                                 $formtemplate->param(atomurl => $atomurl);
 365                                 $formtemplate->param(atomdesc => $atomdesc);
 366                         }
 367                 }
 368                 if (exists $params{postformtext}) {
 369                         $formtemplate->param(postformtext =>
 370                                 $params{postformtext});
 371                 }
 372                 else {
 373                         $formtemplate->param(postformtext =>
 374                                 gettext("Add a new post titled:"));
 375                 }
 376                 if (exists $params{id}) {
 377                         $formtemplate->param(postformid =>
 378                                 $params{id});
 379                 }
 380                 $ret.=$formtemplate->output;
 381
 382                 # The post form includes the feed buttons, so
 383                 # emptyfeeds cannot be hidden.
 384                 $emptyfeeds=1;
 385         }
 386         elsif ($feeds && !$params{preview} && ($emptyfeeds || @feedlist)) {
 387                 # Add feed buttons.
 388                 my $linktemplate=template_depends("feedlink.tmpl", $params{page}, blind_cache => 1);
 389                 if ($rss) {
 390                         $linktemplate->param(rssurl => $rssurl);
 391                         $linktemplate->param(rssdesc => $rssdesc);
 392                 }
 393                 if ($atom) {
 394                         $linktemplate->param(atomurl => $atomurl);
 395                         $linktemplate->param(atomdesc => $atomdesc);
 396                 }
 397                 if (exists $params{id}) {
 398                         $linktemplate->param(id => $params{id});
 399                 }
 400                 $ret.=$linktemplate->output;
 401         }
 402
 403         if (! $feedonly) {
 404                 my $template;
 405                 if (! $raw) {
 406                         # cannot use wiki pages as templates; template not sanitized due to
 407                         # format hook hack
 408                         eval {
 409                                 $template=template_depends($params{template}.".tmpl", $params{page},
 410                                         blind_cache => 1);
 411                         };
 412                         if ($@) {
 413                                 # gettext can clobber $@
 414                                 my $error = $@;
 415                                 error sprintf(gettext("failed to process template %s"), $params{template}.".tmpl").": $error";
 416                         }
 417                 }
 418                 my $needcontent=$raw || (!($archive && $quick) && $template->query(name => 'content'));
 419
 420                 foreach my $page (@list) {
 421                         my $file = $pagesources{$page};
 422                         my $type = pagetype($file);
 423                         if (! $raw) {
 424                                 if ($needcontent) {
 425                                         # Get the content before populating the
 426                                         # template, since getting the content uses
 427                                         # the same template if inlines are nested.
 428                                         my $content=get_inline_content($page, $params{destpage});
 429                                         $template->param(content => $content);
 430                                 }
 431                                 $template->param(pageurl => urlto($page, $params{destpage}));
 432                                 $template->param(inlinepage => $page);
 433                                 $template->param(title => pagetitle(basename($page)));
 434                                 $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat}, 1));
 435                                 $template->param(mtime => displaytime($pagemtime{$page}, $params{timeformat}));
 436                                 $template->param(first => 1) if $page eq $list[0];
 437                                 $template->param(last => 1) if $page eq $list[$#list];
 438                                 $template->param(html5 => $config{html5});
 439
 440                                 if ($actions) {
 441                                         my $file = $pagesources{$page};
 442                                         my $type = pagetype($file);
 443                                         if ($config{discussion}) {
 444                                                 if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
 445                                                     (length $config{cgiurl} ||
 446                                                      exists $pagesources{$page."/".lc($config{discussionpage})})) {
 447                                                         $template->param(have_actions => 1);
 448                                                         $template->param(discussionlink =>
 449                                                                 htmllink($page,
 450                                                                         $params{destpage},
 451                                                                         $config{discussionpage},
 452                                                                         noimageinline => 1,
 453                                                                         forcesubpage => 1));
 454                                                 }
 455                                         }
 456                                         if (length $config{cgiurl} &&
 457                                             defined $type &&
 458                                             IkiWiki->can("cgi_editpage")) {
 459                                                 $template->param(have_actions => 1);
 460                                                 $template->param(editurl => cgiurl(do => "edit", page => $page));
 461
 462                                         }
 463                                 }
 464
 465                                 run_hooks(pagetemplate => sub {
 466                                         shift->(page => $page, destpage => $params{destpage},
 467                                                 template => $template,);
 468                                 });
 469
 470                                 $ret.=$template->output;
 471                                 $template->clear_params;
 472                         }
 473                         else {
 474                                 if (defined $type) {
 475                                         $ret.="\n".
 476                                               linkify($page, $params{destpage},
 477                                               preprocess($page, $params{destpage},
 478                                               filter($page, $params{destpage},
 479                                               readfile(srcfile($file)))));
 480                                 }
 481                                 else {
 482                                         $ret.="\n".
 483                                               readfile(srcfile($file));
 484                                 }
 485                         }
 486                 }
 487         }
 488
 489         if ($feeds && ($emptyfeeds || @feedlist)) {
 490                 if ($rss) {
 491                         my $rssp=$feedbase."rss".$feednum;
 492                         will_render($params{destpage}, $rssp);
 493                         if (! $params{preview}) {
 494                                 writefile($rssp, $config{destdir},
 495                                         genfeed("rss",
 496                                                 $config{url}."/".$rssp, $title, $desc, $params{guid}, $params{page}, @feedlist));
 497                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 498                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/rss+xml" title="$rssdesc" href="$rssurl" />};
 499                         }
 500                 }
 501                 if ($atom) {
 502                         my $atomp=$feedbase."atom".$feednum;
 503                         will_render($params{destpage}, $atomp);
 504                         if (! $params{preview}) {
 505                                 writefile($atomp, $config{destdir},
 506                                         genfeed("atom", $config{url}."/".$atomp, $title, $desc, $params{guid}, $params{page}, @feedlist));
 507                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 508                                 $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/atom+xml" title="$atomdesc" href="$atomurl" />};
 509                         }
 510                 }
 511         }
 512
 513         clear_inline_content_cache();
 514
 515         return $ret if $raw || $nested;
 516         push @inline, $ret;
 517         return "<div class=\"inline\" id=\"$#inline\"></div>\n\n";
 518 }
 519
 520 sub pagetemplate_inline (@) {
 521         my %params=@_;
 522         my $page=$params{page};
 523         my $template=$params{template};
 524
 525         $template->param(feedlinks => $feedlinks{$page})
 526                 if exists $feedlinks{$page} && $template->query(name => "feedlinks");
 527 }
 528
 529 {
 530 my %inline_content;
 531 my $cached_destpage="";
 532
 533 sub get_inline_content ($$) {
 534         my $page=shift;
 535         my $destpage=shift;
 536
 537         if (exists $inline_content{$page} && $cached_destpage eq $destpage) {
 538                 return $inline_content{$page};
 539         }
 540
 541         my $file=$pagesources{$page};
 542         my $type=pagetype($file);
 543         my $ret="";
 544         if (defined $type) {
 545                 $nested++;
 546                 $ret=htmlize($page, $destpage, $type,
 547                        linkify($page, $destpage,
 548                        preprocess($page, $destpage,
 549                        filter($page, $destpage,
 550                        readfile(srcfile($file))))));
 551                 $nested--;
 552                 if (isinternal($page)) {
 553                         # make inlined text of internal pages searchable
 554                         run_hooks(indexhtml => sub {
 555                                 shift->(page => $page, destpage => $destpage,
 556                                         content => $ret);
 557                         });
 558                 }
 559         }
 560
 561         if ($cached_destpage ne $destpage) {
 562                 clear_inline_content_cache();
 563                 $cached_destpage=$destpage;
 564         }
 565         return $inline_content{$page}=$ret;
 566 }
 567
 568 sub clear_inline_content_cache () {
 569         %inline_content=();
 570 }
 571
 572 }
 573
 574 sub date_822 ($) {
 575         my $time=shift;
 576
 577         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 578         POSIX::setlocale(&POSIX::LC_TIME, "C");
 579         my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
 580         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 581         return $ret;
 582 }
 583
 584 sub absolute_urls ($$) {
 585         # needed because rss sucks
 586         my $html=shift;
 587         my $baseurl=shift;
 588
 589         my $url=$baseurl;
 590         $url=~s/[^\/]+$//;
 591         my $urltop; # calculated if needed
 592
 593         my $ret="";
 594
 595         eval q{use HTML::Parser; use HTML::Tagset};
 596         die $@ if $@;
 597         my $p = HTML::Parser->new(api_version => 3);
 598         $p->handler(default => sub { $ret.=join("", @_) }, "text");
 599         $p->handler(start => sub {
 600                 my ($tagname, $pos, $text) = @_;
 601                 if (ref $HTML::Tagset::linkElements{$tagname}) {
 602                         while (4 <= @$pos) {
 603                                 # use attribute sets from right to left
 604                                 # to avoid invalidating the offsets
 605                                 # when replacing the values
 606                                 my ($k_offset, $k_len, $v_offset, $v_len) =
 607                                         splice(@$pos, -4);
 608                                 my $attrname = lc(substr($text, $k_offset, $k_len));
 609                                 next unless grep { $_ eq $attrname } @{$HTML::Tagset::linkElements{$tagname}};
 610                                 next unless $v_offset; # 0 v_offset means no value
 611                                 my $v = substr($text, $v_offset, $v_len);
 612                                 $v =~ s/^([\'\"])(.*)\1$/$2/;
 613                                 eval q{use HTML::Entities};
 614                                 my $dv = decode_entities($v);
 615                                 if ($dv=~/^#/) {
 616                                         $v=$baseurl.$v; # anchor
 617                                 }
 618                                 elsif ($dv=~/^(?!\w+:)[^\/]/) {
 619                                         $v=URI->new_abs($v, $url)->canonical; # relative url
 620                                 }
 621                                 elsif ($dv=~/^\//) {
 622                                         if (! defined $urltop) {
 623                                                 # what is the non path part of the url?
 624                                                 my $top_uri = URI->new($url);
 625                                                 $top_uri->path_query(""); # reset the path
 626                                                 $urltop = $top_uri->as_string;
 627                                         }
 628                                         $v=$urltop.$v; # url relative to top of site
 629                                 }
 630                                 $v =~ s/\"/&quot;/g; # since we quote with ""
 631                                 substr($text, $v_offset, $v_len) = qq("$v");
 632                         }
 633                 }
 634                 $ret.=$text;
 635         }, "tagname, tokenpos, text");
 636         $p->parse($html);
 637         $p->eof;
 638
 639         return $ret;
 640 }
 641
 642 sub genenclosure {
 643         my $itemtemplate=shift;
 644         my $url=shift;
 645         my $file=shift;
 646
 647         return unless $itemtemplate->query(name => "enclosure");
 648
 649         my $size=(srcfile_stat($file))[8];
 650         my $mime="unknown";
 651         eval q{use File::MimeInfo};
 652         if (! $@) {
 653                 $mime = mimetype($file);
 654         }
 655         $itemtemplate->param(
 656                 enclosure => $url,
 657                 type => $mime,
 658                 length => $size,
 659         );
 660 }
 661
 662 sub genfeed ($$$$$@) {
 663         my $feedtype=shift;
 664         my $feedurl=shift;
 665         my $feedtitle=shift;
 666         my $feeddesc=shift;
 667         my $guid=shift;
 668         my $page=shift;
 669         my @pages=@_;
 670
 671         my $url=URI->new(encode_utf8(urlto($page,"",1)));
 672
 673         my $itemtemplate=template_depends($feedtype."item.tmpl", $page, blind_cache => 1);
 674         my $content="";
 675         my $lasttime = 0;
 676         foreach my $p (@pages) {
 677                 my $u=URI->new(encode_utf8(urlto($p, "", 1)));
 678                 my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
 679                 my $fancy_enclosure_seen = 0;
 680
 681                 $itemtemplate->param(
 682                         title => pagetitle(basename($p)),
 683                         url => $u,
 684                         permalink => $u,
 685                         cdate_822 => date_822($pagectime{$p}),
 686                         mdate_822 => date_822($pagemtime{$p}),
 687                         cdate_3339 => date_3339($pagectime{$p}),
 688                         mdate_3339 => date_3339($pagemtime{$p}),
 689                 );
 690
 691                 if (exists $pagestate{$p}) {
 692                         if (exists $pagestate{$p}{meta}{guid}) {
 693                                 eval q{use HTML::Entities};
 694                                 $itemtemplate->param(guid => HTML::Entities::encode_numeric($pagestate{$p}{meta}{guid}));
 695                         }
 696
 697                         if (exists $pagestate{$p}{meta}{updated}) {
 698                                 $itemtemplate->param(mdate_822 => date_822($pagestate{$p}{meta}{updated}));
 699                                 $itemtemplate->param(mdate_3339 => date_3339($pagestate{$p}{meta}{updated}));
 700                         }
 701
 702                         if (exists $pagestate{$p}{meta}{enclosure}) {
 703                                 my $absurl = $pagestate{$p}{meta}{enclosure};
 704                                 my $file = $pagestate{$p}{meta}{enclosurefile};
 705                                 genenclosure($itemtemplate, $absurl, $file);
 706                                 $fancy_enclosure_seen = 1;
 707                         }
 708                 }
 709
 710                 my $file=$pagesources{$p};
 711                 unless ($fancy_enclosure_seen || defined(pagetype($file))) {
 712                         genenclosure($itemtemplate, $u, $file);
 713                         $itemtemplate->param(simplepodcast => 1);
 714                 }
 715
 716                 $itemtemplate->param(content => $pcontent);
 717
 718                 run_hooks(pagetemplate => sub {
 719                         shift->(page => $p, destpage => $page,
 720                                 template => $itemtemplate);
 721                 });
 722
 723                 $content.=$itemtemplate->output;
 724                 $itemtemplate->clear_params;
 725
 726                 $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;
 727         }
 728
 729         my $template=template_depends($feedtype."page.tmpl", $page, blind_cache => 1);
 730         $template->param(
 731                 wants_absolute_urls => 1,
 732                 title => $feedtitle,
 733                 wikiname => $config{wikiname},
 734                 pageurl => $url,
 735                 content => $content,
 736                 feeddesc => $feeddesc,
 737                 guid => $guid,
 738                 feeddate => date_3339($lasttime),
 739                 feeddate_822 => date_822($lasttime),
 740                 feedurl => $feedurl,
 741         );
 742         run_hooks(pagetemplate => sub {
 743                 shift->(page => $page, destpage => $page,
 744                         template => $template);
 745         });
 746
 747         return $template->output;
 748 }
 749
 750 sub pingurl (@) {
 751         return unless @{$config{pingurl}} && %toping;
 752
 753         eval q{require RPC::XML::Client};
 754         if ($@) {
 755                 debug(gettext("RPC::XML::Client not found, not pinging"));
 756                 return;
 757         }
 758
 759         # daemonize here so slow pings don't slow down wiki updates
 760         defined(my $pid = fork) or error("Can't fork: $!");
 761         return if $pid;
 762         chdir '/';
 763         POSIX::setsid() or error("Can't start a new session: $!");
 764         open STDIN, '/dev/null';
 765         open STDOUT, '>/dev/null';
 766         open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
 767
 768         # Don't need to keep a lock on the wiki as a daemon.
 769         IkiWiki::unlockwiki();
 770
 771         foreach my $page (keys %toping) {
 772                 my $title=pagetitle(basename($page), 0);
 773                 my $url=urlto($page, "", 1);
 774                 foreach my $pingurl (@{$config{pingurl}}) {
 775                         debug("Pinging $pingurl for $page");
 776                         eval {
 777                                 my $client = RPC::XML::Client->new($pingurl);
 778                                 my $req = RPC::XML::request->new('weblogUpdates.ping',
 779                                         $title, $url);
 780                                 my $res = $client->send_request($req);
 781                                 if (! ref $res) {
 782                                         error("Did not receive response to ping");
 783                                 }
 784                                 my $r=$res->value;
 785                                 if (! exists $r->{flerror} || $r->{flerror}) {
 786                                         error("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
 787                                 }
 788                         };
 789                         if ($@) {
 790                                 error "Ping failed: $@";
 791                         }
 792                 }
 793         }
 794
 795         exit 0; # daemon done
 796 }
 797
 798
 799 sub rootpage (@) {
 800         my %params=@_;
 801
 802         my $rootpage;
 803         if (exists $params{rootpage}) {
 804                 $rootpage=bestlink($params{page}, $params{rootpage});
 805                 if (!length $rootpage) {
 806                         $rootpage=$params{rootpage};
 807                 }
 808         }
 809         else {
 810                 $rootpage=$params{page};
 811         }
 812         return $rootpage;
 813 }
 814
 815 1