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 2.00;
   9 use URI;
  10
  11 my %knownfeeds;
  12 my %page_numfeeds;
  13 my @inline;
  14 my $nested=0;
  15
  16 sub import { #{{{
  17         hook(type => "getopt", id => "inline", call => \&getopt);
  18         hook(type => "checkconfig", id => "inline", call => \&checkconfig);
  19         hook(type => "sessioncgi", id => "inline", call => \&sessioncgi);
  20         hook(type => "preprocess", id => "inline",
  21                 call => \&IkiWiki::preprocess_inline);
  22         hook(type => "pagetemplate", id => "inline",
  23                 call => \&IkiWiki::pagetemplate_inline);
  24         hook(type => "format", id => "inline", call => \&format);
  25         # Hook to change to do pinging since it's called late.
  26         # This ensures each page only pings once and prevents slow
  27         # pings interrupting page builds.
  28         hook(type => "change", id => "inline",
  29                 call => \&IkiWiki::pingurl);
  30
  31 } # }}}
  32
  33 sub getopt () { #{{{
  34         eval q{use Getopt::Long};
  35         error($@) if $@;
  36         Getopt::Long::Configure('pass_through');
  37         GetOptions(
  38                 "rss!" => \$config{rss},
  39                 "atom!" => \$config{atom},
  40                 "allowrss!" => \$config{allowrss},
  41                 "allowatom!" => \$config{allowatom},
  42         );
  43 }
  44
  45 sub checkconfig () { #{{{
  46         if (($config{rss} || $config{atom}) && ! length $config{url}) {
  47                 error(gettext("Must specify url to wiki with --url when using --rss or --atom"));
  48         }
  49         if ($config{rss}) {
  50                 push @{$config{wiki_file_prune_regexps}}, qr/\.rss$/;
  51         }
  52         if ($config{atom}) {
  53                 push @{$config{wiki_file_prune_regexps}}, qr/\.atom$/;
  54         }
  55 } #}}}
  56
  57 sub format (@) { #{{{
  58         my %params=@_;
  59
  60         # Fill in the inline content generated earlier. This is actually an
  61         # optimisation.
  62         $params{content}=~s{<div class="inline" id="([^"]+)"></div>}{
  63                 delete @inline[$1,]
  64         }eg;
  65         return $params{content};
  66 } #}}}
  67
  68 sub sessioncgi () { #{{{
  69         my $q=shift;
  70         my $session=shift;
  71
  72         if ($q->param('do') eq 'blog') {
  73                 my $page=decode_utf8($q->param('title'));
  74                 $page=~s/\///g; # no slashes in blog posts
  75                 # if the page already exists, munge it to be unique
  76                 my $from=$q->param('from');
  77                 my $add="";
  78                 while (exists $IkiWiki::pagecase{lc($from."/".IkiWiki::titlepage($page).$add)}) {
  79                         $add=1 unless length $add;
  80                         $add++;
  81                 }
  82                 $q->param('page', $page.$add);
  83                 # now go create the page
  84                 $q->param('do', 'create');
  85                 IkiWiki::cgi_editpage($q, $session);
  86                 exit;
  87         }
  88 }
  89
  90 # Back to ikiwiki namespace for the rest, this code is very much
  91 # internal to ikiwiki even though it's separated into a plugin.
  92 package IkiWiki;
  93
  94 my %toping;
  95 my %feedlinks;
  96
  97 sub yesno ($) { #{{{
  98         my $val=shift;
  99         return (defined $val && lc($val) eq "yes");
 100 } #}}}
 101
 102 sub preprocess_inline (@) { #{{{
 103         my %params=@_;
 104
 105         if (! exists $params{pages}) {
 106                 return "[[inline ".gettext("missing pages parameter")."]]";
 107         }
 108         my $raw=yesno($params{raw});
 109         my $archive=yesno($params{archive});
 110         my $rss=(($config{rss} || $config{allowrss}) && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
 111         my $atom=(($config{atom} || $config{allowatom}) && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
 112         my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
 113         my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick;
 114         my $feedonly=yesno($params{feedonly});
 115         if (! exists $params{show} && ! $archive) {
 116                 $params{show}=10;
 117         }
 118         if (! exists $params{feedshow} && exists $params{show}) {
 119                 $params{feedshow}=$params{show};
 120         }
 121         my $desc;
 122         if (exists $params{description}) {
 123                 $desc = $params{description}
 124         }
 125         else {
 126                 $desc = $config{wikiname};
 127         }
 128         my $actions=yesno($params{actions});
 129         if (exists $params{template}) {
 130                 $params{template}=~s/[^-_a-zA-Z0-9]+//g;
 131         }
 132         else {
 133                 $params{template} = $archive ? "archivepage" : "inlinepage";
 134         }
 135
 136         my @list;
 137         foreach my $page (keys %pagesources) {
 138                 next if $page eq $params{page};
 139                 if (pagespec_match($page, $params{pages}, location => $params{page})) {
 140                         push @list, $page;
 141                 }
 142         }
 143
 144         if (exists $params{sort} && $params{sort} eq 'title') {
 145                 @list=sort @list;
 146         }
 147         elsif (exists $params{sort} && $params{sort} eq 'mtime') {
 148                 @list=sort { $pagemtime{$b} <=> $pagemtime{$a} } @list;
 149         }
 150         elsif (! exists $params{sort} || $params{sort} eq 'age') {
 151                 @list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
 152         }
 153         else {
 154                 return sprintf(gettext("unknown sort type %s"), $params{sort});
 155         }
 156
 157         if (yesno($params{reverse})) {
 158                 @list=reverse(@list);
 159         }
 160
 161         if (exists $params{skip}) {
 162                 @list=@list[$params{skip} .. scalar @list - 1];
 163         }
 164
 165         my @feedlist;
 166         if ($feeds) {
 167                 if (exists $params{feedshow} &&
 168                     $params{feedshow} && @list > $params{feedshow}) {
 169                         @feedlist=@list[0..$params{feedshow} - 1];
 170                 }
 171                 else {
 172                         @feedlist=@list;
 173                 }
 174         }
 175
 176         if ($params{show} && @list > $params{show}) {
 177                 @list=@list[0..$params{show} - 1];
 178         }
 179
 180         add_depends($params{page}, $params{pages});
 181         # Explicitly add all currently displayed pages as dependencies, so
 182         # that if they are removed or otherwise changed, the inline will be
 183         # sure to be updated.
 184         add_depends($params{page}, join(" or ", $#list >= $#feedlist ? @list : @feedlist));
 185
 186         my $feednum="";
 187
 188         my $feedid=join("\0", map { $_."\0".$params{$_} } sort keys %params);
 189         if (exists $knownfeeds{$feedid}) {
 190                 $feednum=$knownfeeds{$feedid};
 191         }
 192         else {
 193                 if (exists $page_numfeeds{$params{destpage}}) {
 194                         if ($feeds) {
 195                                 $feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}};
 196                         }
 197                 }
 198                 else {
 199                         $feednum=$knownfeeds{$feedid}="";
 200                         if ($feeds) {
 201                                 $page_numfeeds{$params{destpage}}=1;
 202                         }
 203                 }
 204         }
 205
 206         my $rssurl=basename(rsspage($params{destpage}).$feednum) if $feeds && $rss;
 207         my $atomurl=basename(atompage($params{destpage}).$feednum) if $feeds && $atom;
 208         my $ret="";
 209
 210         if ($config{cgiurl} && ! $params{preview} && (exists $params{rootpage} ||
 211                         (exists $params{postform} && yesno($params{postform})))) {
 212                 # Add a blog post form, with feed buttons.
 213                 my $formtemplate=template("blogpost.tmpl", blind_cache => 1);
 214                 $formtemplate->param(cgiurl => $config{cgiurl});
 215                 $formtemplate->param(rootpage =>
 216                         exists $params{rootpage} ? $params{rootpage} : $params{page});
 217                 $formtemplate->param(rssurl => $rssurl) if $feeds && $rss;
 218                 $formtemplate->param(atomurl => $atomurl) if $feeds && $atom;
 219                 if (exists $params{postformtext}) {
 220                         $formtemplate->param(postformtext =>
 221                                 $params{postformtext});
 222                 }
 223                 else {
 224                         $formtemplate->param(postformtext =>
 225                                 gettext("Add a new post titled:"));
 226                 }
 227                 $ret.=$formtemplate->output;
 228         }
 229         elsif ($feeds && !$params{preview}) {
 230                 # Add feed buttons.
 231                 my $linktemplate=template("feedlink.tmpl", blind_cache => 1);
 232                 $linktemplate->param(rssurl => $rssurl) if $rss;
 233                 $linktemplate->param(atomurl => $atomurl) if $atom;
 234                 $ret.=$linktemplate->output;
 235         }
 236
 237         if (! $feedonly) {
 238                 require HTML::Template;
 239                 my @params=IkiWiki::template_params($params{template}.".tmpl", blind_cache => 1);
 240                 if (! @params) {
 241                         return sprintf(gettext("nonexistant template %s"), $params{template});
 242                 }
 243                 my $template=HTML::Template->new(@params) unless $raw;
 244
 245                 foreach my $page (@list) {
 246                         my $file = $pagesources{$page};
 247                         my $type = pagetype($file);
 248                         if (! $raw || ($raw && ! defined $type)) {
 249                                 unless ($archive && $quick) {
 250                                         # Get the content before populating the
 251                                         # template, since getting the content uses
 252                                         # the same template if inlines are nested.
 253                                         my $content=get_inline_content($page, $params{destpage});
 254                                         $template->param(content => $content);
 255                                 }
 256                                 $template->param(pageurl => urlto(bestlink($params{page}, $page), $params{destpage}));
 257                                 $template->param(title => pagetitle(basename($page)));
 258                                 $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat}));
 259                                 $template->param(first => 1) if $page eq $list[0];
 260                                 $template->param(last => 1) if $page eq $list[$#list];
 261
 262                                 if ($actions) {
 263                                         my $file = $pagesources{$page};
 264                                         my $type = pagetype($file);
 265                                         if ($config{discussion}) {
 266                                                 my $discussionlink=gettext("discussion");
 267                                                 if ($page !~ /.*\/\Q$discussionlink\E$/ &&
 268                                                     (length $config{cgiurl} ||
 269                                                      exists $links{$page."/".$discussionlink})) {
 270                                                         $template->param(have_actions => 1);
 271                                                         $template->param(discussionlink =>
 272                                                                 htmllink($page,
 273                                                                         $params{destpage},
 274                                                                         gettext("Discussion"),
 275                                                                         noimageinline => 1,
 276                                                                         forcesubpage => 1));
 277                                                 }
 278                                         }
 279                                         if (length $config{cgiurl} && defined $type) {
 280                                                 $template->param(have_actions => 1);
 281                                                 $template->param(editurl => cgiurl(do => "edit", page => pagetitle($page, 1)));
 282                                         }
 283                                 }
 284
 285                                 run_hooks(pagetemplate => sub {
 286                                         shift->(page => $page, destpage => $params{destpage},
 287                                                 template => $template,);
 288                                 });
 289
 290                                 $ret.=$template->output;
 291                                 $template->clear_params;
 292                         }
 293                         else {
 294                                 if (defined $type) {
 295                                         $ret.="\n".
 296                                               linkify($page, $params{destpage},
 297                                               preprocess($page, $params{destpage},
 298                                               filter($page, $params{destpage},
 299                                               readfile(srcfile($file)))));
 300                                 }
 301                         }
 302                 }
 303         }
 304
 305         if ($feeds) {
 306                 if (exists $params{feedpages}) {
 307                         @feedlist=grep { pagespec_match($_, $params{feedpages}, location => $params{page}) } @feedlist;
 308                 }
 309
 310                 if ($rss) {
 311                         my $rssp=rsspage($params{destpage}).$feednum;
 312                         will_render($params{destpage}, $rssp);
 313                         if (! $params{preview}) {
 314                                 writefile($rssp, $config{destdir},
 315                                         genfeed("rss",
 316                                                 $config{url}."/".rsspage($params{destpage}).$feednum, $desc, $params{destpage}, @feedlist));
 317                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 318                                 $feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/rss+xml" title="RSS" href="$rssurl" />};
 319                         }
 320                 }
 321                 if ($atom) {
 322                         my $atomp=atompage($params{destpage}).$feednum;
 323                         will_render($params{destpage}, $atomp);
 324                         if (! $params{preview}) {
 325                                 writefile($atomp, $config{destdir},
 326                                         genfeed("atom", $config{url}."/".atompage($params{destpage}).$feednum, $desc, $params{destpage}, @feedlist));
 327                                 $toping{$params{destpage}}=1 unless $config{rebuild};
 328                                 $feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/atom+xml" title="Atom" href="$atomurl" />};
 329                         }
 330                 }
 331         }
 332
 333         return $ret if $raw || $nested;
 334         push @inline, $ret;
 335         return "<div class=\"inline\" id=\"$#inline\"></div>\n\n";
 336 } #}}}
 337
 338 sub pagetemplate_inline (@) { #{{{
 339         my %params=@_;
 340         my $page=$params{page};
 341         my $template=$params{template};
 342
 343         $template->param(feedlinks => $feedlinks{$page})
 344                 if exists $feedlinks{$page} && $template->query(name => "feedlinks");
 345 } #}}}
 346
 347 sub get_inline_content ($$) { #{{{
 348         my $page=shift;
 349         my $destpage=shift;
 350
 351         my $file=$pagesources{$page};
 352         my $type=pagetype($file);
 353         if (defined $type) {
 354                 $nested++;
 355                 my $ret=htmlize($page, $destpage, $type,
 356                        linkify($page, $destpage,
 357                        preprocess($page, $destpage,
 358                        filter($page, $destpage,
 359                        readfile(srcfile($file))))));
 360                 $nested--;
 361                 return $ret;
 362         }
 363         else {
 364                 return "";
 365         }
 366 } #}}}
 367
 368 sub date_822 ($) { #{{{
 369         my $time=shift;
 370
 371         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 372         POSIX::setlocale(&POSIX::LC_TIME, "C");
 373         my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
 374         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 375         return $ret;
 376 } #}}}
 377
 378 sub date_3339 ($) { #{{{
 379         my $time=shift;
 380
 381         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
 382         POSIX::setlocale(&POSIX::LC_TIME, "C");
 383         my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", gmtime($time));
 384         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
 385         return $ret;
 386 } #}}}
 387
 388 sub absolute_urls ($$) { #{{{
 389         # sucky sub because rss sucks
 390         my $content=shift;
 391         my $baseurl=shift;
 392
 393         my $url=$baseurl;
 394         $url=~s/[^\/]+$//;
 395
 396         # what is the non path part of the url?
 397         my $top_uri = URI->new($url);
 398         $top_uri->path_query(""); # reset the path
 399         my $urltop = $top_uri->as_string;
 400
 401         $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(#[^"]+)"/$1 href="$baseurl$2"/mig;
 402         # relative to another wiki page
 403         $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(?!\w+:)([^\/][^"]*)"/$1 href="$url$2"/mig;
 404         $content=~s/(<img(?:\s+(?:class|id|width|height)\s*="?\w+"?)*)\s+src=\s*"(?!\w+:)([^\/][^"]*)"/$1 src="$url$2"/mig;
 405         # relative to the top of the site
 406         $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(?!\w+:)(\/[^"]*)"/$1 href="$urltop$2"/mig;
 407         $content=~s/(<img(?:\s+(?:class|id|width|height)\s*="?\w+"?)*)\s+src=\s*"(?!\w+:)(\/[^"]*)"/$1 src="$urltop$2"/mig;
 408         return $content;
 409 } #}}}
 410
 411 sub rsspage ($) { #{{{
 412         return targetpage(shift, "rss");
 413 } #}}}
 414
 415 sub atompage ($) { #{{{
 416         return targetpage(shift, "atom");
 417 } #}}}
 418
 419 sub genfeed ($$$$@) { #{{{
 420         my $feedtype=shift;
 421         my $feedurl=shift;
 422         my $feeddesc=shift;
 423         my $page=shift;
 424         my @pages=@_;
 425
 426         my $url=URI->new(encode_utf8($config{url}."/".urlto($page,"")));
 427
 428         my $itemtemplate=template($feedtype."item.tmpl", blind_cache => 1);
 429         my $content="";
 430         my $lasttime = 0;
 431         foreach my $p (@pages) {
 432                 my $u=URI->new(encode_utf8($config{url}."/".urlto($p, "")));
 433                 my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
 434
 435                 $itemtemplate->param(
 436                         title => pagetitle(basename($p)),
 437                         url => $u,
 438                         permalink => $u,
 439                         cdate_822 => date_822($pagectime{$p}),
 440                         mdate_822 => date_822($pagemtime{$p}),
 441                         cdate_3339 => date_3339($pagectime{$p}),
 442                         mdate_3339 => date_3339($pagemtime{$p}),
 443                 );
 444
 445                 if ($itemtemplate->query(name => "enclosure")) {
 446                         my $file=$pagesources{$p};
 447                         my $type=pagetype($file);
 448                         if (defined $type) {
 449                                 $itemtemplate->param(content => $pcontent);
 450                         }
 451                         else {
 452                                 my $size=(srcfile_stat($file))[8];
 453                                 my $mime="unknown";
 454                                 eval q{use File::MimeInfo};
 455                                 if (! $@) {
 456                                         $mime = mimetype($file);
 457                                 }
 458                                 $itemtemplate->param(
 459                                         enclosure => $u,
 460                                         type => $mime,
 461                                         length => $size,
 462                                 );
 463                         }
 464                 }
 465                 else {
 466                         $itemtemplate->param(content => $pcontent);
 467                 }
 468
 469                 run_hooks(pagetemplate => sub {
 470                         shift->(page => $p, destpage => $page,
 471                                 template => $itemtemplate);
 472                 });
 473
 474                 $content.=$itemtemplate->output;
 475                 $itemtemplate->clear_params;
 476
 477                 $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;
 478         }
 479
 480         my $template=template($feedtype."page.tmpl", blind_cache => 1);
 481         $template->param(
 482                 title => $page ne "index" ? pagetitle($page) : $config{wikiname},
 483                 wikiname => $config{wikiname},
 484                 pageurl => $url,
 485                 content => $content,
 486                 feeddesc => $feeddesc,
 487                 feeddate => date_3339($lasttime),
 488                 feedurl => $feedurl,
 489                 version => $IkiWiki::version,
 490         );
 491         run_hooks(pagetemplate => sub {
 492                 shift->(page => $page, destpage => $page,
 493                         template => $template);
 494         });
 495
 496         return $template->output;
 497 } #}}}
 498
 499 sub pingurl (@) { #{{{
 500         return unless @{$config{pingurl}} && %toping;
 501
 502         eval q{require RPC::XML::Client};
 503         if ($@) {
 504                 debug(gettext("RPC::XML::Client not found, not pinging"));
 505                 return;
 506         }
 507
 508         # daemonize here so slow pings don't slow down wiki updates
 509         defined(my $pid = fork) or error("Can't fork: $!");
 510         return if $pid;
 511         chdir '/';
 512         POSIX::setsid() or error("Can't start a new session: $!");
 513         open STDIN, '/dev/null';
 514         open STDOUT, '>/dev/null';
 515         open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
 516
 517         # Don't need to keep a lock on the wiki as a daemon.
 518         IkiWiki::unlockwiki();
 519
 520         foreach my $page (keys %toping) {
 521                 my $title=pagetitle(basename($page), 0);
 522                 my $url="$config{url}/".urlto($page, "");
 523                 foreach my $pingurl (@{$config{pingurl}}) {
 524                         debug("Pinging $pingurl for $page");
 525                         eval {
 526                                 my $client = RPC::XML::Client->new($pingurl);
 527                                 my $req = RPC::XML::request->new('weblogUpdates.ping',
 528                                         $title, $url);
 529                                 my $res = $client->send_request($req);
 530                                 if (! ref $res) {
 531                                         debug("Did not receive response to ping");
 532                                 }
 533                                 my $r=$res->value;
 534                                 if (! exists $r->{flerror} || $r->{flerror}) {
 535                                         debug("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
 536                                 }
 537                         };
 538                         if ($@) {
 539                                 debug "Ping failed: $@";
 540                         }
 541                 }
 542         }
 543
 544         exit 0; # daemon done
 545 } #}}}
 546
 547 1