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 (%nd, %nf);
  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           $nd{$d} = @$ddd; $nf{$d} = @$fff;
  96           DIR: for (;;) {
  97             if (defined $iii) {
  98               my $index = join_paths $p, $iii->name;
  99               $tn{$d} = TrivGal::Image->new($index)->scale($size);
 100               last DIR;
 101             }
 102             if (!@$ddd) { $tn{$d} = undef; last DIR; }
 103             $p = join_paths $p, $ddd->[0]->name;
 104             ($ddd, $fff, $iii) = listdir join_paths $IMGROOT, $p;
 105           }
 106         }
 107 </%perl>
 108 %
 109 <&| .html, title =>
 110              "Folder " . $m->interp->apply_escapes($nosl || "[top]", "h"),
 111            head => $links &>
 112 <&| .breadcrumbs, what => "Folder", path => $path &>
 113   <div class="menu">
 114     <a href="<% "$SCRIPTURL/" . substr($path, 0, -1) . ".zip" |hu %>">[zip]</a>
 115   </div>
 116 </&>
 117 %
 118 % my $note = contents "$IMGROOT/$path/.tgal-note.html";
 119 % if (defined $note) {
 120 <div class=note>
 121 <% $note %>
 122 </div>
 123 % }
 124 %
 125 % if (@$dd) {
 126 <h2>Subfolders</h2>
 127 <div class="gallery <% $size %>">
 128 %   for my $d (@$dd) {
 129 %     my $count = "";
 130 %     $count .= "$nd{$d}/" if $nd{$d};
 131 %     $count .= "$nf{$d}" if $nf{$d};
 132   <& .thumbnail, target => $d->name, comment => $d->comment,
 133                  tn => $tn{$d}, size => $size,
 134                  caption =>
 135                    $m->interp->apply_escapes($d->name, "h") . " [$count]" &>\
 136 %   }
 137 </div>
 138 % }
 139 %
 140 % if (@$ff) {
 141 <h2>Images</h2>
 142 <div class="gallery <% $size %>">
 143 %   for my $f (@$ff) {
 144   <& .thumbnail, target => $f->name, comment => $f->comment,
 145                  tn => $tn{$f}, size => $size,
 146                  caption => $m->interp->apply_escapes($f->name, "h") &>\
 147 %   }
 148 </div>
 149 % }
 150 %
 151 <div class=fill></div>
 152 <& .footer, path => $path &>
 153 </&>
 154 %
 155 <%args>
 156         $path
 157 </%args>
 158 </%def>
 159 %
 160 %###-------------------------------------------------------------------------
 161 <%def .zip>\
 162 <%perl>
 163         my $st = stat "$IMGROOT/$path";
 164         if (!$st) { $m->comp(".not-found", path => $path); return; }
 165         my $zip = "$TMP/t$$-download.zip";
 166         my $err = "$TMP/t$$-download.stderr";
 167         my $kid = fork;
 168         if (!$kid) {
 169           untie *STDIN; open STDIN, "</dev/null";
 170           untie *STDOUT; open STDOUT, ">/dev/null";
 171           untie *STDERR; open STDERR, ">", $err;
 172           chdir "$IMGROOT/$path";
 173           exec "zip", "-qr", $zip, ".";
 174           exit 127;
 175         }
 176         waitpid $kid, 0;
 177 </%perl>
 178 %
 179 % if ($?) {
 180 <&| .html, title => "Zip failed (rc = $?)" &>
 181 <pre>
 182 <%perl>
 183         open my $f, "<", $err;
 184         my $buf;
 185         while (read $f, $buf, 16384) { $m->print($buf); }
 186 </%perl>
 187 </pre>
 188 </&>
 189 % } else {
 190 <%perl>
 191         $r->content_type("application/zip");
 192         open my $f, "<", $zip; binmode $f;
 193         my $buf;
 194         while (read $f, $buf, 16384) { $m->print($buf); }
 195 </%perl>
 196 % }
 197 %
 198 <%perl>
 199         eval { unlink $zip; };
 200         eval { unlink $err; };
 201 </%perl>
 202
 203 %
 204 <%args>
 205         $path
 206 </%args>
 207 </%def>
 208 %
 209 %###-------------------------------------------------------------------------
 210 <%def .image>\
 211 <%perl>
 212         my ($dir, $base, $ext) = split_path $path;
 213
 214         if (defined $scale) {
 215           my $img = TrivGal::Image->new($path);
 216           $m->redirect($img->scale($scale, 1));
 217         }
 218
 219         my $real = join_paths $IMGROOT, $path;
 220         my $url = join_paths $IMGURL, $path;
 221         my $realdir = join_paths $IMGROOT, $dir;
 222         my $urldir = join_paths $SCRIPTURL, $dir;
 223         my ($dd, $ff, $ii) = listdir $realdir;
 224         my @thumbsz = qw{smallthumb medthumb bigthumb};
 225         my @imgsz = sort { $SIZE{$a} <=> $SIZE{$b} } keys %SIZE;
 226         my ($wd, $ht, $max);
 227         my %tn;
 228         my %vw;
 229
 230         my $fi = undef;
 231         FILE: for (my $i = 0; $i < @$ff; $i++) {
 232           my $f = $ff->[$i];
 233           my $img = TrivGal::Image->new(join_paths $dir, $f->name);
 234           for my $sz (@thumbsz) { $tn{$f->name}{$sz} = $img->scale($sz); }
 235           if ($ff->[$i]->name eq "$base$ext") {
 236             $fi = $i;
 237             ($wd, $ht) = ($img->wd, $img->ht);
 238             $max = $img->sz;
 239             SIZE: for my $sc (@imgsz) {
 240               my $sz = $SIZE{$sc};
 241               last SIZE if $max < $sz;
 242               $vw{$sc} = $img->scale($sc);
 243             }
 244           }
 245         }
 246         defined $fi or die "image not found in its folder?";
 247         my $this = $ff->[$fi];
 248
 249         my %link;
 250         $link{up} = "";
 251         if ($fi != 0) {
 252           $link{first} = $ff->[0]->name;
 253           $link{prev} = $ff->[$fi - 1]->name;
 254         }
 255         if ($fi != @$ff - 1) {
 256           $link{last} = $ff->[-1]->name;
 257           $link{next} = $ff->[$fi + 1]->name;
 258         }
 259
 260         my $links = "";
 261         my $pre = urlencode join_paths $SCRIPTURL, $dir;
 262         for my $rel (qw{up first prev next last}) {
 263           $links .= sprintf "  <link rel=%s href=\"%s\">\n", $rel,
 264                             urlencode "$pre/$link{$rel}"
 265             if exists $link{$rel};
 266         }
 267 </%perl>
 268 %
 269 <&| .html, title => "Image " . $m->interp->apply_escapes($path, "h"),
 270            head => $links &>
 271 <& .breadcrumbs, what => "Image", path => $path &>
 272 % if ($this->comment) {
 273   <div class=comment>
 274     <p><% $this->comment %>
 275   </div>
 276 % }
 277 %
 278 <div class=viewnav>
 279 % if ($link{prev}) {
 280   <div class=prev><a class=prev href="<% "$pre/$link{prev}" |hu %>">&lsaquo;</a></div>
 281 % }
 282   <a class=view href="<% $url |h %>">
 283     <picture>
 284 % my ($hoff, $voff) = (60, 480);
 285 % SIZE: for (my $i = 0; $i < @imgsz; $i++) {
 286 %   my $scale = $imgsz[$i];
 287 %   last SIZE unless exists $vw{$scale};
 288 %   my $scsz = $SIZE{$scale};
 289 %   my $f = $scsz/$max;
 290 %   my ($thiswd, $thisht) = map int, ($f*$wd + $hoff, $f*$ht + $voff);
 291       <source srcset="<% $vw{$scale} |h %>"
 292               media="(max-width: <% $thiswd %>px) or (max-height: <% $thisht %>px)">
 293 % }
 294       <img src="<% "$IMGURL/$path" |hu %>">
 295     </picture>
 296   </a>
 297 % if ($link{next}) {
 298   <div class=next><a class=next href="<% "$pre/$link{next}" |hu %>">&rsaquo;</a></div>
 299 % }
 300 </div>
 301 %
 302 % for my $size (qw{smallthumb medthumb bigthumb}) {
 303 <div class="thumbstrip <% $size %>">
 304 %   for my $f (@$ff) {
 305   <& .thumbnail, target => $f->name,
 306                  tn => $tn{$f->name}{$size}, size => $size,
 307                  caption => $m->interp->apply_escapes($f->name, "h"),
 308                  focus => $f eq $this &>\
 309 %   }
 310 </div>
 311 % }
 312 <& .footer, path => $dir &>
 313 </&>
 314 %
 315 <%args>
 316         $path
 317         $scale => undef
 318 </%args>
 319 </%def>
 320 %
 321 %###-------------------------------------------------------------------------
 322 <%def .breadcrumbs>\
 323 % $path =~ s!/$!!;
 324 % my @p = split m!/!, $path;
 325 % my $pp = "";
 326 % my $prev = undef;
 327 <h1><% $what %> \
 328 % if (!@p) {
 329 [top]
 330 % } else {
 331 <a href="<% $SCRIPTURL |hu %>/">[top]</a>&thinsp;/&thinsp;\
 332 %   STEP: for my $p (@p) {
 333 %     if (defined $prev) {
 334 %       $pp .= "$prev/";
 335 <a href="<% join_paths($SCRIPTURL, $pp) |hu %>/">\
 336 <% $prev %></a>&thinsp;/&thinsp;\
 337 %     }
 338 %     $prev = $p;
 339 %   }
 340 <% $prev %>\
 341 % }
 342 % if ($m->has_content) {
 343
 344 <% $m->content %>\
 345 % }
 346 </h1>
 347 <%args>
 348         $what
 349         $path
 350 </%args>
 351 </%def>
 352 %
 353 %###-------------------------------------------------------------------------
 354 <%def .thumbnail>\
 355 % $tn //= "$STATICURL/folder.svg";
 356 % if ($focus) {
 357   <figure class="thumb focusthumb <% $size %>">
 358     <img class="thumb <% $size %>" loading=lazy src="<% $tn |h %>">
 359     <figcaption><span class=name><% $caption %></span></figcaption>
 360 % } else {
 361   <figure class="thumb <% $size %>">
 362     <a class=thumb href="<% $target |hu %>">
 363       <img class="thumb <% $size %>" loading=lazy src="<% $tn |h %>">
 364       <figcaption>
 365         <span class=name><% $caption %></span>
 366 % if (defined $comment) {
 367         <span class=comment><% $comment %></span>
 368 % }
 369       </figcaption>
 370     </a>
 371 % }
 372   </figure>
 373 %
 374 <%args>
 375         $target
 376         $tn
 377         $size
 378         $caption
 379         $comment => undef
 380         $focus => 0
 381 </%args>
 382 </%def>
 383 %
 384 %###-------------------------------------------------------------------------
 385 <%def .footer>\
 386 <%perl>
 387 </%perl>
 388 <div class=footer>
 389   <div class=footitem>
 390     <a href="https://www.gnu.org/licenses/agpl-3.0.en.html"><img class=licence src="<% "$STATICURL/agpl.png" |hu %>"></a>
 391     Trivial Gallery, copyright &copy; 2021 Mark Wooding.
 392     Free software: you can modify it and/or redistribute it under the
 393     terms of the
 394     <a rel=license href="https://www.gnu.org/licenses/agpl-3.0.en.html">GNU Affero
 395     General Public License version 3</a>.
 396     Browse or download the <a href="<% $SRCURL %>">source code</a>.
 397   </div>
 398 % my $user =
 399 %   find_covering_file $IMGROOT, $path, ".tgal-footer.html";
 400 % if (defined $user) {
 401   <div class=footitem>
 402 <% $user %>
 403   </div>
 404 % }
 405 </div>
 406 <%args>
 407         $path
 408 </%args>
 409 </%def>
 410 %
 411 %###-------------------------------------------------------------------------
 412 <%once>
 413         use autodie;
 414         use File::stat;
 415
 416         use TrivGal;
 417 </%once>
 418 %
 419 <%init>
 420         TrivGal->init;
 421
 422         my $path = $m->dhandler_arg;
 423         my $st = stat "$IMGROOT/$path";
 424         my $comp;
 425         if (!$st) {
 426           $comp = ".not-found";
 427           if ($path =~ /^ (.*) (\.(?: zip)) $/x) {
 428             $st = stat "$IMGROOT/$1";
 429             if ($st) { $path = $1; $comp = $2; }
 430           }
 431         }
 432         elsif (-d $st) { $comp = ".contact"; }
 433         elsif (-f $st) { $comp = ".image"; }
 434         else { $comp = ".not-found"; }
 435         $r->header_out("X-AGPL-Source" => $SRCURL);
 436         $m->comp($comp, path => $path, %ARGS);
 437 </%init>
 438 %
 439 %###----- That's all, folks -------------------------------------------------