IkiWiki/Render.pm

   1 #!/usr/bin/perl
   2
   3 package IkiWiki;
   4
   5 use warnings;
   6 use strict;
   7 use IkiWiki;
   8 use Encode;
   9
  10 my (%backlinks, %rendered);
  11 our %brokenlinks;
  12 my $links_calculated=0;
  13
  14 sub calculate_links () {
  15         return if $links_calculated;
  16         %backlinks=%brokenlinks=();
  17         foreach my $page (keys %links) {
  18                 foreach my $link (@{$links{$page}}) {
  19                         my $bestlink=bestlink($page, $link);
  20                         if (length $bestlink) {
  21                                 $backlinks{$bestlink}{$page}=1
  22                                         if $bestlink ne $page;
  23                         }
  24                         else {
  25                                 push @{$brokenlinks{$link}}, $page;
  26                         }
  27                 }
  28         }
  29         $links_calculated=1;
  30 }
  31
  32 sub backlink_pages ($) {
  33         my $page=shift;
  34
  35         calculate_links();
  36
  37         return keys %{$backlinks{$page}};
  38 }
  39
  40 sub backlinks ($) {
  41         my $page=shift;
  42
  43         my @links;
  44         foreach my $p (backlink_pages($page)) {
  45                 my $href=urlto($p, $page);
  46
  47                 # Trim common dir prefixes from both pages.
  48                 my $p_trimmed=$p;
  49                 my $page_trimmed=$page;
  50                 my $dir;
  51                 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
  52                         defined $dir &&
  53                         $p_trimmed=~s/^\Q$dir\E// &&
  54                         $page_trimmed=~s/^\Q$dir\E//;
  55
  56                 push @links, { url => $href, page => pagetitle($p_trimmed) };
  57         }
  58         return @links;
  59 }
  60
  61 sub genpage ($$) {
  62         my $page=shift;
  63         my $content=shift;
  64
  65         run_hooks(postscan => sub {
  66                 shift->(page => $page, content => $content);
  67         });
  68
  69         my $templatefile;
  70         run_hooks(templatefile => sub {
  71                 return if defined $templatefile;
  72                 my $file=shift->(page => $page);
  73                 if (defined $file && defined template_file($file)) {
  74                         $templatefile=$file;
  75                 }
  76         });
  77         my $template=template(defined $templatefile ? $templatefile : 'page.tmpl', blind_cache => 1);
  78         my $actions=0;
  79
  80         if (length $config{cgiurl}) {
  81                 if (IkiWiki->can("cgi_editpage")) {
  82                         $template->param(editurl => cgiurl(do => "edit", page => $page));
  83                         $actions++;
  84                 }
  85                 if (exists $hooks{auth}) {
  86                         $template->param(prefsurl => cgiurl(do => "prefs"));
  87                         $actions++;
  88                 }
  89         }
  90
  91         if (defined $config{historyurl} && length $config{historyurl}) {
  92                 my $u=$config{historyurl};
  93                 $u=~s/\[\[file\]\]/$pagesources{$page}/g;
  94                 $template->param(historyurl => $u);
  95                 $actions++;
  96         }
  97         if ($config{discussion}) {
  98                 if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
  99                    (length $config{cgiurl} ||
 100                     exists $links{$page."/".$config{discussionpage}})) {
 101                         $template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
 102                         $actions++;
 103                 }
 104         }
 105
 106         if ($actions) {
 107                 $template->param(have_actions => 1);
 108         }
 109
 110         my @backlinks=sort { $a->{page} cmp $b->{page} } backlinks($page);
 111         my ($backlinks, $more_backlinks);
 112         if (@backlinks <= $config{numbacklinks} || ! $config{numbacklinks}) {
 113                 $backlinks=\@backlinks;
 114                 $more_backlinks=[];
 115         }
 116         else {
 117                 $backlinks=[@backlinks[0..$config{numbacklinks}-1]];
 118                 $more_backlinks=[@backlinks[$config{numbacklinks}..$#backlinks]];
 119         }
 120
 121         $template->param(
 122                 title => $page eq 'index'
 123                         ? $config{wikiname}
 124                         : pagetitle(basename($page)),
 125                 wikiname => $config{wikiname},
 126                 content => $content,
 127                 backlinks => $backlinks,
 128                 more_backlinks => $more_backlinks,
 129                 mtime => displaytime($pagemtime{$page}),
 130                 ctime => displaytime($pagectime{$page}),
 131                 baseurl => baseurl($page),
 132         );
 133
 134         run_hooks(pagetemplate => sub {
 135                 shift->(page => $page, destpage => $page, template => $template);
 136         });
 137
 138         $content=$template->output;
 139
 140         run_hooks(format => sub {
 141                 $content=shift->(
 142                         page => $page,
 143                         content => $content,
 144                 );
 145         });
 146
 147         return $content;
 148 }
 149
 150 sub scan ($) {
 151         my $file=shift;
 152
 153         debug(sprintf(gettext("scanning %s"), $file));
 154
 155         my $type=pagetype($file);
 156         if (defined $type) {
 157                 my $srcfile=srcfile($file);
 158                 my $content=readfile($srcfile);
 159                 my $page=pagename($file);
 160                 will_render($page, htmlpage($page), 1);
 161
 162                 if ($config{discussion}) {
 163                         # Discussion links are a special case since they're
 164                         # not in the text of the page, but on its template.
 165                         $links{$page}=[ $page."/".lc($config{discussionpage}) ];
 166                 }
 167                 else {
 168                         $links{$page}=[];
 169                 }
 170
 171                 run_hooks(scan => sub {
 172                         shift->(
 173                                 page => $page,
 174                                 content => $content,
 175                         );
 176                 });
 177
 178                 # Preprocess in scan-only mode.
 179                 preprocess($page, $page, $content, 1);
 180         }
 181         else {
 182                 will_render($file, $file, 1);
 183         }
 184 }
 185
 186 sub fast_file_copy (@) {
 187         my $srcfile=shift;
 188         my $destfile=shift;
 189         my $srcfd=shift;
 190         my $destfd=shift;
 191         my $cleanup=shift;
 192
 193         my $blksize = 16384;
 194         my ($len, $buf, $written);
 195         while ($len = sysread $srcfd, $buf, $blksize) {
 196                 if (! defined $len) {
 197                         next if $! =~ /^Interrupted/;
 198                         error("failed to read $srcfile: $!", $cleanup);
 199                 }
 200                 my $offset = 0;
 201                 while ($len) {
 202                         defined($written = syswrite $destfd, $buf, $len, $offset)
 203                                 or error("failed to write $destfile: $!", $cleanup);
 204                         $len -= $written;
 205                         $offset += $written;
 206                 }
 207         }
 208 }
 209
 210 sub render ($$) {
 211         my $file=shift;
 212         return if $rendered{$file};
 213         debug(shift);
 214         $rendered{$file}=1;
 215
 216         my $type=pagetype($file);
 217         my $srcfile=srcfile($file);
 218         if (defined $type) {
 219                 my $page=pagename($file);
 220                 delete $depends{$page};
 221                 delete $depends_simple{$page};
 222                 will_render($page, htmlpage($page), 1);
 223                 return if $type=~/^_/;
 224
 225                 my $content=htmlize($page, $page, $type,
 226                         linkify($page, $page,
 227                         preprocess($page, $page,
 228                         filter($page, $page,
 229                         readfile($srcfile)))));
 230
 231                 my $output=htmlpage($page);
 232                 writefile($output, $config{destdir}, genpage($page, $content));
 233         }
 234         else {
 235                 delete $depends{$file};
 236                 delete $depends_simple{$file};
 237                 will_render($file, $file, 1);
 238
 239                 if ($config{hardlink}) {
 240                         # only hardlink if owned by same user
 241                         my @stat=stat($srcfile);
 242                         if ($stat[4] == $>) {
 243                                 prep_writefile($file, $config{destdir});
 244                                 unlink($config{destdir}."/".$file);
 245                                 if (link($srcfile, $config{destdir}."/".$file)) {
 246                                         return;
 247                                 }
 248                         }
 249                         # if hardlink fails, fall back to copying
 250                 }
 251
 252                 my $srcfd=readfile($srcfile, 1, 1);
 253                 writefile($file, $config{destdir}, undef, 1, sub {
 254                         fast_file_copy($srcfile, $file, $srcfd, @_);
 255                 });
 256         }
 257 }
 258
 259 sub prune ($) {
 260         my $file=shift;
 261
 262         unlink($file);
 263         my $dir=dirname($file);
 264         while (rmdir($dir)) {
 265                 $dir=dirname($dir);
 266         }
 267 }
 268
 269 sub srcdir_check () {
 270         # security check, avoid following symlinks in the srcdir path by default
 271         my $test=$config{srcdir};
 272         while (length $test) {
 273                 if (-l $test && ! $config{allow_symlinks_before_srcdir}) {
 274                         error(sprintf(gettext("symlink found in srcdir path (%s) -- set allow_symlinks_before_srcdir to allow this"), $test));
 275                 }
 276                 unless ($test=~s/\/+$//) {
 277                         $test=dirname($test);
 278                 }
 279         }
 280
 281 }
 282
 283 sub find_src_files () {
 284         my @files;
 285         my %pages;
 286         eval q{use File::Find};
 287         error($@) if $@;
 288         find({
 289                 no_chdir => 1,
 290                 wanted => sub {
 291                         my $file=decode_utf8($_);
 292                         $file=~s/^\Q$config{srcdir}\E\/?//;
 293                         return if -l $_ || -d _ || ! length $file;
 294                         my $page = pagename($file);
 295                         if (! exists $pagesources{$page} &&
 296                             file_pruned($file)) {
 297                                 $File::Find::prune=1;
 298                                 return;
 299                         }
 300
 301                         my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
 302                         if (! defined $f) {
 303                                 warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
 304                         }
 305                         else {
 306                                 push @files, $f;
 307                                 if ($pages{$page}) {
 308                                         debug(sprintf(gettext("%s has multiple possible source pages"), $page));
 309                                 }
 310                                 $pages{$page}=1;
 311                         }
 312                 },
 313         }, $config{srcdir});
 314         foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) {
 315                 find({
 316                         no_chdir => 1,
 317                         wanted => sub {
 318                                 my $file=decode_utf8($_);
 319                                 $file=~s/^\Q$dir\E\/?//;
 320                                 return if -l $_ || -d _ || ! length $file;
 321                                 my $page=pagename($file);
 322                                 if (! exists $pagesources{$page} &&
 323                                     file_pruned($file)) {
 324                                         $File::Find::prune=1;
 325                                         return;
 326                                 }
 327
 328                                 my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
 329                                 if (! defined $f) {
 330                                         warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
 331                                 }
 332                                 else {
 333                                         # avoid underlaydir override
 334                                         # attacks; see security.mdwn
 335                                         if (! -l "$config{srcdir}/$f" &&
 336                                             ! -e _) {
 337                                                 if (! $pages{$page}) {
 338                                                         push @files, $f;
 339                                                         $pages{$page}=1;
 340                                                 }
 341                                         }
 342                                 }
 343                         },
 344                 }, $dir);
 345         };
 346         return \@files, \%pages;
 347 }
 348
 349 sub find_new_files ($) {
 350         my $files=shift;
 351         my @new;
 352         my @internal_new;
 353
 354         foreach my $file (@$files) {
 355                 my $page=pagename($file);
 356                 if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
 357                         # the page has changed its type
 358                         $forcerebuild{$page}=1;
 359                 }
 360                 $pagesources{$page}=$file;
 361                 if (! $pagemtime{$page}) {
 362                         if (isinternal($page)) {
 363                                 push @internal_new, $file;
 364                         }
 365                         else {
 366                                 push @new, $file;
 367                                 if ($config{getctime} && -e "$config{srcdir}/$file") {
 368                                         eval {
 369                                                 my $time=rcs_getctime("$config{srcdir}/$file");
 370                                                 $pagectime{$page}=$time;
 371                                         };
 372                                         if ($@) {
 373                                                 print STDERR $@;
 374                                         }
 375                                 }
 376                         }
 377                         $pagecase{lc $page}=$page;
 378                         if (! exists $pagectime{$page}) {
 379                                 $pagectime{$page}=(srcfile_stat($file))[10];
 380                         }
 381                 }
 382         }
 383
 384         return \@new, \@internal_new;
 385 }
 386
 387 sub find_del_files ($) {
 388         my $pages=shift;
 389         my @del;
 390         my @internal_del;
 391
 392         foreach my $page (keys %pagemtime) {
 393                 if (! $pages->{$page}) {
 394                         if (isinternal($page)) {
 395                                 push @internal_del, $pagesources{$page};
 396                         }
 397                         else {
 398                                 push @del, $pagesources{$page};
 399                         }
 400                         $links{$page}=[];
 401                         $renderedfiles{$page}=[];
 402                         $pagemtime{$page}=0;
 403                 }
 404         }
 405
 406         return \@del, \@internal_del;
 407 }
 408
 409 sub remove_del (@) {
 410         foreach my $file (@_) {
 411                 my $page=pagename($file);
 412                 if (! isinternal($page)) {
 413                         debug(sprintf(gettext("removing old page %s"), $page));
 414                 }
 415
 416                 foreach my $old (@{$oldrenderedfiles{$page}}) {
 417                         prune($config{destdir}."/".$old);
 418                 }
 419
 420                 foreach my $source (keys %destsources) {
 421                         if ($destsources{$source} eq $page) {
 422                                 delete $destsources{$source};
 423                         }
 424                 }
 425
 426                 delete $pagecase{lc $page};
 427                 delete $pagesources{$page};
 428         }
 429 }
 430
 431 sub find_changed ($) {
 432         my $files=shift;
 433         my @changed;
 434         my @internal_changed;
 435         foreach my $file (@$files) {
 436                 my $page=pagename($file);
 437                 my ($srcfile, @stat)=srcfile_stat($file);
 438                 if (! exists $pagemtime{$page} ||
 439                     $stat[9] > $pagemtime{$page} ||
 440                     $forcerebuild{$page}) {
 441                         $pagemtime{$page}=$stat[9];
 442
 443                         if (isinternal($page)) {
 444                                 # Preprocess internal page in scan-only mode.
 445                                 preprocess($page, $page, readfile($srcfile), 1);
 446                                 push @internal_changed, $file;
 447                         }
 448                         else {
 449                                 push @changed, $file;
 450                         }
 451                 }
 452         }
 453         return \@changed, \@internal_changed;
 454 }
 455
 456 sub calculate_old_links ($$) {
 457         my ($changed, $del)=@_;
 458         my %oldlink_targets;
 459         foreach my $file (@$changed, @$del) {
 460                 my $page=pagename($file);
 461                 if (exists $oldlinks{$page}) {
 462                         foreach my $l (@{$oldlinks{$page}}) {
 463                                 $oldlink_targets{$page}{$l}=bestlink($page, $l);
 464                         }
 465                 }
 466         }
 467         return \%oldlink_targets;
 468 }
 469
 470 sub derender_internal ($) {
 471         my $file=shift;
 472         my $page=pagename($file);
 473         delete $depends{$page};
 474         delete $depends_simple{$page};
 475         foreach my $old (@{$renderedfiles{$page}}) {
 476                 delete $destsources{$old};
 477         }
 478         $renderedfiles{$page}=[];
 479 }
 480
 481 sub render_linkers ($) {
 482         my $f=shift;
 483         my $p=pagename($f);
 484         foreach my $page (keys %{$backlinks{$p}}) {
 485                 my $file=$pagesources{$page};
 486                 render($file, sprintf(gettext("building %s, which links to %s"), $file, $p));
 487         }
 488 }
 489
 490 sub remove_unrendered () {
 491         foreach my $src (keys %rendered) {
 492                 my $page=pagename($src);
 493                 foreach my $file (@{$oldrenderedfiles{$page}}) {
 494                         if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
 495                                 debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
 496                                 prune($config{destdir}."/".$file);
 497                         }
 498                 }
 499         }
 500 }
 501
 502 sub calculate_changed_links ($$$) {
 503         my ($changed, $del, $oldlink_targets)=@_;
 504
 505         my (%backlinkchanged, %linkchangers);
 506
 507         foreach my $file (@$changed, @$del) {
 508                 my $page=pagename($file);
 509
 510                 if (exists $links{$page}) {
 511                         foreach my $l (@{$links{$page}}) {
 512                                 my $target=bestlink($page, $l);
 513                                 if (! exists $oldlink_targets->{$page}{$l} ||
 514                                     $target ne $oldlink_targets->{$page}{$l}) {
 515                                         $backlinkchanged{$target}=1;
 516                                         $linkchangers{lc($page)}=1;
 517                                 }
 518                                 delete $oldlink_targets->{$page}{$l};
 519                         }
 520                 }
 521                 if (exists $oldlink_targets->{$page} &&
 522                     %{$oldlink_targets->{$page}}) {
 523                         foreach my $target (values %{$oldlink_targets->{$page}}) {
 524                                 $backlinkchanged{$target}=1;
 525                         }
 526                         $linkchangers{lc($page)}=1;
 527                 }
 528         }
 529
 530         return \%backlinkchanged, \%linkchangers;
 531 }
 532
 533 sub render_dependent ($$$$$$$) {
 534         my ($files, $new, $internal_new, $del, $internal_del,
 535                 $internal_changed, $linkchangers)=@_;
 536
 537         my @changed=(keys %rendered, @$del);
 538         my @exists_changed=(@$new, @$del);
 539
 540         my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
 541         my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
 542
 543         foreach my $f (@$files) {
 544                 next if $rendered{$f};
 545                 my $p=pagename($f);
 546                 my $reason = undef;
 547
 548                 if (exists $depends_simple{$p}) {
 549                         foreach my $d (keys %{$depends_simple{$p}}) {
 550                                 if (($depends_simple{$p}{$d} & $IkiWiki::DEPEND_CONTENT &&
 551                                      $lc_changed{$d})
 552                                     ||
 553                                     ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_PRESENCE &&
 554                                      $lc_exists_changed{$d})
 555                                     ||
 556                                     ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_LINKS &&
 557                                      $linkchangers->{$d})
 558                                 ) {
 559                                         $reason = $d;
 560                                         last;
 561                                 }
 562                         }
 563                 }
 564
 565                 if (exists $depends{$p} && ! defined $reason) {
 566                         foreach my $dep (keys %{$depends{$p}}) {
 567                                 my $sub=pagespec_translate($dep);
 568                                 next if $@ || ! defined $sub;
 569
 570                                 # only consider internal files
 571                                 # if the page explicitly depends
 572                                 # on such files
 573                                 my $internal_dep=$dep =~ /internal\(/;
 574
 575                                 my $in=sub {
 576                                         my $list=shift;
 577                                         my $type=shift;
 578                                         foreach my $file (@$list) {
 579                                                 next if $file eq $f;
 580                                                 my $page=pagename($file);
 581                                                 if ($sub->($page, location => $p)) {
 582                                                         if ($type == $IkiWiki::DEPEND_LINKS) {
 583                                                                 next unless $linkchangers->{lc($page)};
 584                                                         }
 585                                                         return $page;
 586                                                 }
 587                                         }
 588                                         return undef;
 589                                 };
 590
 591                                 if ($depends{$p}{$dep} & $IkiWiki::DEPEND_CONTENT) {
 592                                         last if $reason =
 593                                                 $in->(\@changed, $IkiWiki::DEPEND_CONTENT);
 594                                         last if $internal_dep && ($reason =
 595                                                 $in->($internal_new, $IkiWiki::DEPEND_CONTENT) ||
 596                                                 $in->($internal_del, $IkiWiki::DEPEND_CONTENT) ||
 597                                                 $in->($internal_changed, $IkiWiki::DEPEND_CONTENT));
 598                                 }
 599                                 if ($depends{$p}{$dep} & $IkiWiki::DEPEND_PRESENCE) {
 600                                         last if $reason =
 601                                                 $in->(\@exists_changed, $IkiWiki::DEPEND_PRESENCE);
 602                                         last if $internal_dep && ($reason =
 603                                                 $in->($internal_new, $IkiWiki::DEPEND_PRESENCE) ||
 604                                                 $in->($internal_del, $IkiWiki::DEPEND_PRESENCE));
 605                                 }
 606                                 if ($depends{$p}{$dep} & $IkiWiki::DEPEND_LINKS) {
 607                                         last if $reason =
 608                                                 $in->(\@changed, $IkiWiki::DEPEND_LINKS);
 609                                         last if $internal_dep && ($reason =
 610                                                 $in->($internal_new, $IkiWiki::DEPEND_LINKS) ||
 611                                                 $in->($internal_del, $IkiWiki::DEPEND_LINKS) ||
 612                                                 $in->($internal_changed, $IkiWiki::DEPEND_LINKS));
 613                                 }
 614                         }
 615                 }
 616
 617                 if (defined $reason) {
 618                         render($f, sprintf(gettext("building %s, which depends on %s"), $f, $reason));
 619                         return 1;
 620                 }
 621         }
 622
 623         return 0;
 624 }
 625
 626 sub render_backlinks ($) {
 627         my $backlinkchanged=shift;
 628         foreach my $link (keys %$backlinkchanged) {
 629                 my $linkfile=$pagesources{$link};
 630                 if (defined $linkfile) {
 631                         render($linkfile, sprintf(gettext("building %s, to update its backlinks"), $linkfile));
 632                 }
 633         }
 634 }
 635
 636 sub refresh () {
 637         srcdir_check();
 638         run_hooks(refresh => sub { shift->() });
 639         my ($files, $pages)=find_src_files();
 640         my ($new, $internal_new)=find_new_files($files);
 641         my ($del, $internal_del)=find_del_files($pages);
 642         my ($changed, $internal_changed)=find_changed($files);
 643         run_hooks(needsbuild => sub { shift->($changed) });
 644         my $oldlink_targets=calculate_old_links($changed, $del);
 645
 646         foreach my $file (@$changed) {
 647                 scan($file);
 648         }
 649
 650         calculate_links();
 651
 652         remove_del(@$del, @$internal_del);
 653
 654         foreach my $file (@$changed) {
 655                 render($file, sprintf(gettext("building %s"), $file));
 656         }
 657         foreach my $file (@$internal_new, @$internal_del, @$internal_changed) {
 658                 derender_internal($file);
 659         }
 660
 661         my ($backlinkchanged, $linkchangers)=calculate_changed_links($changed,
 662                 $del, $oldlink_targets);
 663
 664         foreach my $file (@$new, @$del) {
 665                 render_linkers($file);
 666         }
 667
 668         if (@$changed || @$internal_changed ||
 669             @$del || @$internal_del || @$internal_new) {
 670                 1 while render_dependent($files, $new, $internal_new,
 671                         $del, $internal_del, $internal_changed,
 672                         $linkchangers);
 673         }
 674
 675         render_backlinks($backlinkchanged);
 676         remove_unrendered();
 677
 678         if (@$del) {
 679                 run_hooks(delete => sub { shift->(@$del) });
 680         }
 681         if (%rendered) {
 682                 run_hooks(change => sub { shift->(keys %rendered) });
 683         }
 684 }
 685
 686 sub commandline_render () {
 687         lockwiki();
 688         loadindex();
 689         unlockwiki();
 690
 691         my $srcfile=possibly_foolish_untaint($config{render});
 692         my $file=$srcfile;
 693         $file=~s/\Q$config{srcdir}\E\/?//;
 694
 695         my $type=pagetype($file);
 696         die sprintf(gettext("ikiwiki: cannot build %s"), $srcfile)."\n" unless defined $type;
 697         my $content=readfile($srcfile);
 698         my $page=pagename($file);
 699         $pagesources{$page}=$file;
 700         $content=filter($page, $page, $content);
 701         $content=preprocess($page, $page, $content);
 702         $content=linkify($page, $page, $content);
 703         $content=htmlize($page, $page, $type, $content);
 704         $pagemtime{$page}=(stat($srcfile))[9];
 705         $pagectime{$page}=$pagemtime{$page} if ! exists $pagectime{$page};
 706
 707         print genpage($page, $content);
 708         exit 0;
 709 }
 710
 711 1