mdw@git.distorted.org.uk Git - tgal/blob - mason/dhandler

   1 %### -*-html-*-
   2 %###
   3 %### Main output for Trivial Gallery.
   4 %###
   5 %### (c) 2021 Mark Wooding
   6 %###
   7 %
   8 %###----- Licensing notice --------------------------------------------------
   9 %###
  10 %### This file is part of Trivial Gallery.
  11 %###
  12 %### Trivial Gallery is free software: you can redistribute it and/or modify
  13 %### it under the terms of the GNU Affero General Public License as
  14 %### published by the Free Software Foundation; either version 3 of the
  15 %### License, or (at your option) any later version.
  16 %###
  17 %### Trivial Gallery is distributed in the hope that it will be useful, but
  18 %### WITHOUT ANY WARRANTY; without even the implied warranty of
  19 %### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20 %### Affero General Public License for more details.
  21 %###
  22 %### You should have received a copy of the GNU Affero General Public
  23 %### License along with Trivial Gallery.  If not, see
  24 %### <https://www.gnu.org/licenses/>.
  25 %
  26 %###-------------------------------------------------------------------------
  27 <%def .html>\
  28 % $r->content_type("text/html; charset=\"utf-8\"");
  29 <!DOCTYPE html>
  30 <!--
  31 Trivial Gallery, copyright © 2021 Mark Wooding.
  32 Free software: you can redistribute it and/or modify it under the terms
  33 of the GNU Affero General Public License.
  34 -->
  35 <html>
  36 <head>
  37   <meta name=viewport content="width=device-width initial-scale=1.0">
  38   <script type="text/javascript" src="<% "$STATICURL/tgal.js" |hu %>" defer></script>
  39   <link rel=stylesheet type=text/css href="<% "$STATICURL/tgal.css" |hu %>">
  40 <% $head %>\
  41   <title><% $title %></title>
  42 </head>
  43 <body>
  44 <% $m->content %>
  45 </body>
  46 </html>\
  47 %
  48 <%args>
  49         $title
  50         $head => ""
  51 </%args>
  52 </%def>
  53 %
  54 %###-------------------------------------------------------------------------
  55 <%def .not-found>\
  56 <&| .html, title => "Not found" &>
  57 <h1>Not found</h1>
  58 Failed to find &lsquo;<% $path |h %>&rsquo;.
  59 </&>
  60 % return 404;
  61 %
  62 <%args>
  63         $path
  64 </%args>
  65 </%def>
  66 %
  67 %###-------------------------------------------------------------------------
  68 <%def .contact>\
  69 <%perl>
  70         unless ($r->path_info =~ m!/$!)
  71           { $m->redirect(join_paths($SCRIPTURL, $path) . "/"); }
  72
  73         my $real = join_paths $IMGROOT, $path;
  74         my $url = join_paths $SCRIPTURL, $path;
  75         my ($dd, $ff, $ii) = listdir $real;
  76         my $links = "";
  77         my $uplink;
  78         if ($path eq "" || $path eq "/") { $uplink = undef; }
  79         else {
  80           ($uplink = $path) =~ s![^/]*/$!!;
  81           $links .= sprintf "  <link rel=up href=\"%s\">\n",
  82             urlencode "$SCRIPTURL/$uplink";
  83         }
  84         (my $nosl = $path) =~ s!/$!!;
  85
  86         my $size = "medthumb";
  87         my %tn;
  88         my %count;
  89         for my $f (@$ff)
  90           { $tn{$f} = TrivGal::Image->new($path . $f->name)->scale($size); }
  91         for my $d (@$dd) {
  92           my $p = join_paths $path, $d->name;
  93           my ($ddd, $fff, $iii);
  94           ($ddd, $fff, $iii) = listdir join_paths $IMGROOT, $p;
  95
  96           my $count = "";
  97           $count .= scalar(@$ddd) . "/" if @$ddd;
  98           $count .= scalar(@$fff) if @$fff;
  99           $count{$d} = $count;
 100
 101           DIR: for (;;) {
 102             if (defined $iii) {
 103               my $index = join_paths $p, $iii->name;
 104               $tn{$d} = TrivGal::Image->new($index)->scale($size);
 105               last DIR;
 106             }
 107             if (!@$ddd) { $tn{$d} = undef; last DIR; }
 108             $p = join_paths $p, $ddd->[0]->name;
 109             ($ddd, $fff, $iii) = listdir join_paths $IMGROOT, $p;
 110           }
 111         }
 112 </%perl>
 113 %
 114 <&| .html, title =>
 115              "Folder " . $m->interp->apply_escapes($nosl || "[top]", "h"),
 116            head => $links &>
 117 <&| .breadcrumbs, what => "Folder", path => $path &>
 118   <div class="menu">
 119     <a href="<% "$SCRIPTURL/" . substr($path, 0, -1) . ".zip" |hu %>">[zip]</a>
 120   </div>
 121 </&>
 122 %
 123 % my $note = contents "$IMGROOT/$path/.tgal-note.html";
 124 % if (defined $note) {
 125 <div class=note>
 126 <% $note %>
 127 </div>
 128 % }
 129 %
 130 % if (@$dd) {
 131 <h2>Subfolders</h2>
 132 <div class="gallery <% $size %>">
 133   <& .thumbnail, target => $d->name, comment => $d->comment,
 134                  tn => $tn{$d}, size => $size,
 135                  caption =>
 136                    $m->interp->apply_escapes($d->name, "h") .
 137                    " [$count{$d}]" &>\
 138 %   }
 139 </div>
 140 % }
 141 %
 142 % if (@$ff) {
 143 <h2>Images</h2>
 144 <div class="gallery <% $size %>">
 145 %   for my $f (@$ff) {
 146   <& .thumbnail, target => $f->name, comment => $f->comment,
 147                  tn => $tn{$f}, size => $size,
 148                  caption => $m->interp->apply_escapes($f->name, "h") &>\
 149 %   }
 150 </div>
 151 % }
 152 %
 153 <div class=fill></div>
 154 <& .footer, path => $path &>
 155 </&>
 156 %
 157 <%args>
 158         $path
 159 </%args>
 160 </%def>
 161 %
 162 %###-------------------------------------------------------------------------
 163 <%def .zip>\
 164 <%perl>
 165         my $st = stat "$IMGROOT/$path";
 166         if (!$st) { $m->comp(".not-found", path => $path); return; }
 167         my $zip = "$TMP/t$$-download.zip";
 168         my $err = "$TMP/t$$-download.stderr";
 169         my $kid = fork;
 170         if (!$kid) {
 171           untie *STDIN; open STDIN, "</dev/null";
 172           untie *STDOUT; open STDOUT, ">/dev/null";
 173           untie *STDERR; open STDERR, ">", $err;
 174           chdir "$IMGROOT/$path";
 175           exec "zip", "-qr", $zip, ".";
 176           exit 127;
 177         }
 178         waitpid $kid, 0;
 179 </%perl>
 180 %
 181 % if ($?) {
 182 <&| .html, title => "Zip failed (rc = $?)" &>
 183 <pre>
 184 <%perl>
 185         open my $f, "<", $err;
 186         my $buf;
 187         while (read $f, $buf, 16384) { $m->print($buf); }
 188 </%perl>
 189 </pre>
 190 </&>
 191 % } else {
 192 <%perl>
 193         $r->content_type("application/zip");
 194         open my $f, "<", $zip; binmode $f;
 195         my $buf;
 196         while (read $f, $buf, 16384) { $m->print($buf); }
 197 </%perl>
 198 % }
 199 %
 200 <%perl>
 201         eval { unlink $zip; };
 202         eval { unlink $err; };
 203 </%perl>
 204
 205 %
 206 <%args>
 207         $path
 208 </%args>
 209 </%def>
 210 %
 211 %###-------------------------------------------------------------------------
 212 <%def .image>\
 213 <%perl>
 214         my ($dir, $base, $ext) = split_path $path;
 215
 216         if (defined $scale) {
 217           my $img = TrivGal::Image->new($path);
 218           $m->redirect($img->scale($scale, 1));
 219         }
 220
 221         my $real = join_paths $IMGROOT, $path;
 222         my $url = join_paths $IMGURL, $path;
 223         my $realdir = join_paths $IMGROOT, $dir;
 224         my $urldir = join_paths $SCRIPTURL, $dir;
 225         my ($dd, $ff, $ii) = listdir $realdir;
 226         my @thumbsz = qw{smallthumb medthumb bigthumb};
 227         my @imgsz = sort { $SIZE{$a} <=> $SIZE{$b} } keys %SIZE;
 228         my ($wd, $ht, $max);
 229         my %tn;
 230         my %vw;
 231
 232         my $fi = undef;
 233         FILE: for (my $i = 0; $i < @$ff; $i++) {
 234           my $f = $ff->[$i];
 235           my $img = TrivGal::Image->new(join_paths $dir, $f->name);
 236           for my $sz (@thumbsz) { $tn{$f->name}{$sz} = $img->scale($sz); }
 237           if ($ff->[$i]->name eq "$base$ext") {
 238             $fi = $i;
 239             ($wd, $ht) = ($img->wd, $img->ht);
 240             $max = $img->sz;
 241             SIZE: for my $sc (@imgsz) {
 242               my $sz = $SIZE{$sc};
 243               last SIZE if $max < $sz;
 244               $vw{$sc} = $img->scale($sc);
 245             }
 246           }
 247         }
 248         defined $fi or die "image not found in its folder?";
 249         my $this = $ff->[$fi];
 250
 251         my %link;
 252         $link{up} = "";
 253         if ($fi != 0) {
 254           $link{first} = $ff->[0]->name;
 255           $link{prev} = $ff->[$fi - 1]->name;
 256         }
 257         if ($fi != @$ff - 1) {
 258           $link{last} = $ff->[-1]->name;
 259           $link{next} = $ff->[$fi + 1]->name;
 260         }
 261
 262         my $links = "";
 263         my $pre = urlencode join_paths $SCRIPTURL, $dir;
 264         for my $rel (qw{up first prev next last}) {
 265           $links .= sprintf "  <link rel=%s href=\"%s\">\n", $rel,
 266                             urlencode "$pre/$link{$rel}"
 267             if exists $link{$rel};
 268         }
 269 </%perl>
 270 %
 271 <&| .html, title => "Image " . $m->interp->apply_escapes($path, "h"),
 272            head => $links &>
 273 <& .breadcrumbs, what => "Image", path => $path &>
 274 % if ($this->comment) {
 275   <div class=comment>
 276     <p><% $this->comment %>
 277   </div>
 278 % }
 279 %
 280 <div class=viewnav>
 281 % if ($link{prev}) {
 282   <div class=prev><a class=prev href="<% "$pre/$link{prev}" |hu %>">&lsaquo;</a></div>
 283 % }
 284   <a class=view href="<% $url |h %>">
 285     <picture>
 286 % my ($hoff, $voff) = (60, 480);
 287 % SIZE: for (my $i = 0; $i < @imgsz; $i++) {
 288 %   my $scale = $imgsz[$i];
 289 %   last SIZE unless exists $vw{$scale};
 290 %   my $scsz = $SIZE{$scale};
 291 %   my $f = $scsz/$max;
 292 %   my ($thiswd, $thisht) = map int, ($f*$wd + $hoff, $f*$ht + $voff);
 293       <source srcset="<% $vw{$scale} |h %>"
 294               media="(max-width: <% $thiswd %>px) or (max-height: <% $thisht %>px)">
 295 % }
 296       <img src="<% "$IMGURL/$path" |hu %>">
 297     </picture>
 298   </a>
 299 % if ($link{next}) {
 300   <div class=next><a class=next href="<% "$pre/$link{next}" |hu %>">&rsaquo;</a></div>
 301 % }
 302 </div>
 303 %
 304 % for my $size (qw{smallthumb medthumb bigthumb}) {
 305 <div class="thumbstrip <% $size %>">
 306 %   for my $f (@$ff) {
 307   <& .thumbnail, target => $f->name,
 308                  tn => $tn{$f->name}{$size}, size => $size,
 309                  caption => $m->interp->apply_escapes($f->name, "h"),
 310                  focus => $f eq $this &>\
 311 %   }
 312 </div>
 313 % }
 314 <& .footer, path => $dir &>
 315 </&>
 316 %
 317 <%args>
 318         $path
 319         $scale => undef
 320 </%args>
 321 </%def>
 322 %
 323 %###-------------------------------------------------------------------------
 324 <%def .breadcrumbs>\
 325 % $path =~ s!/$!!;
 326 % my @p = split m!/!, $path;
 327 % my $pp = "";
 328 % my $prev = undef;
 329 <h1><% $what %> \
 330 % if (!@p) {
 331 [top]
 332 % } else {
 333 <a href="<% $SCRIPTURL |hu %>/">[top]</a>&thinsp;/&thinsp;\
 334 %   STEP: for my $p (@p) {
 335 %     if (defined $prev) {
 336 %       $pp .= "$prev/";
 337 <a href="<% join_paths($SCRIPTURL, $pp) |hu %>/">\
 338 <% $prev %></a>&thinsp;/&thinsp;\
 339 %     }
 340 %     $prev = $p;
 341 %   }
 342 <% $prev %>\
 343 % }
 344 % if ($m->has_content) {
 345
 346 <% $m->content %>\
 347 % }
 348 </h1>
 349 <%args>
 350         $what
 351         $path
 352 </%args>
 353 </%def>
 354 %
 355 %###-------------------------------------------------------------------------
 356 <%def .thumbnail>\
 357 % $tn //= "$STATICURL/folder.svg";
 358 % if ($focus) {
 359   <figure class="thumb focusthumb <% $size %>">
 360     <img class="thumb <% $size %>" loading=lazy src="<% $tn |h %>">
 361     <figcaption><span class=name><% $caption %></span></figcaption>
 362 % } else {
 363   <figure class="thumb <% $size %>">
 364     <a class=thumb href="<% $target |hu %>">
 365       <img class="thumb <% $size %>" loading=lazy src="<% $tn |h %>">
 366       <figcaption>
 367         <span class=name><% $caption %></span>
 368 % if (defined $comment) {
 369         <span class=comment><% $comment %></span>
 370 % }
 371       </figcaption>
 372     </a>
 373 % }
 374   </figure>
 375 %
 376 <%args>
 377         $target
 378         $tn
 379         $size
 380         $caption
 381         $comment => undef
 382         $focus => 0
 383 </%args>
 384 </%def>
 385 %
 386 %###-------------------------------------------------------------------------
 387 <%def .footer>\
 388 <%perl>
 389 </%perl>
 390 <div class=footer>
 391   <div class=footitem>
 392     <a href="https://www.gnu.org/licenses/agpl-3.0.en.html"><img class=licence src="<% "$STATICURL/agpl.png" |hu %>"></a>
 393     Trivial Gallery, copyright &copy; 2021 Mark Wooding.
 394     Free software: you can modify it and/or redistribute it under the
 395     terms of the
 396     <a rel=license href="https://www.gnu.org/licenses/agpl-3.0.en.html">GNU Affero
 397     General Public License version 3</a>.
 398     Browse or download the <a href="<% $SRCURL %>">source code</a>.
 399   </div>
 400 % my $user =
 401 %   find_covering_file $IMGROOT, $path, ".tgal-footer.html";
 402 % if (defined $user) {
 403   <div class=footitem>
 404 <% $user %>
 405   </div>
 406 % }
 407 </div>
 408 <%args>
 409         $path
 410 </%args>
 411 </%def>
 412 %
 413 %###-------------------------------------------------------------------------
 414 <%once>
 415         use autodie;
 416         use File::stat;
 417
 418         use TrivGal;
 419 </%once>
 420 %
 421 <%init>
 422         TrivGal->init;
 423
 424         my $path = $m->dhandler_arg;
 425         my $st = stat "$IMGROOT/$path";
 426         my $comp;
 427         if (!$st) {
 428           $comp = ".not-found";
 429           if ($path =~ /^ (.*) (\.(?: zip)) $/x) {
 430             $st = stat "$IMGROOT/$1";
 431             if ($st) { $path = $1; $comp = $2; }
 432           }
 433         }
 434         elsif (-d $st) { $comp = ".contact"; }
 435         elsif (-f $st) { $comp = ".image"; }
 436         else { $comp = ".not-found"; }
 437         $r->header_out("X-AGPL-Source" => $SRCURL);
 438         $m->comp($comp, path => $path, %ARGS);
 439 </%init>
 440 %
 441 %###----- That's all, folks -------------------------------------------------