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 = ("smallthumb", "medthumb", "bigthumb");
  87         my %tn;
  88         my %count;
  89         for my $f (@$ff) {
  90           my $img = TrivGal::Image->new($path . $f->name);
  91           for my $size (@size) { $tn{$f}{$size} = $img->scale($size); }
  92         }
  93         for my $d (@$dd) {
  94           my $p = join_paths $path, $d->name;
  95           my ($ddd, $fff, $iii);
  96           ($ddd, $fff, $iii) = listdir join_paths $IMGROOT, $p;
  97
  98           my $count = "";
  99           $count .= scalar(@$ddd) . "/" if @$ddd;
 100           $count .= scalar(@$fff) if @$fff;
 101           $count{$d} = $count;
 102
 103           DIR: for (;;) {
 104             if (defined $iii) {
 105               my $index = join_paths $p, $iii->name;
 106               my $img = TrivGal::Image->new($index);
 107               for my $size (@size) { $tn{$d}{$size} = $img->scale($size); }
 108               last DIR;
 109             }
 110             if (!@$ddd) { $tn{$d} = undef; last DIR; }
 111             $p = join_paths $p, $ddd->[0]->name;
 112             ($ddd, $fff, $iii) = listdir join_paths $IMGROOT, $p;
 113           }
 114         }
 115 </%perl>
 116 %
 117 <&| .html, title =>
 118              "Folder " . $m->interp->apply_escapes($nosl || "[top]", "h"),
 119            head => $links &>
 120 <&| .breadcrumbs, what => "Folder", path => $path &>
 121   <div class="menu">
 122     <a href="<% "$SCRIPTURL/" . substr($path, 0, -1) . ".zip" |hu %>">[zip]</a>
 123   </div>
 124 </&>
 125 %
 126 % my $note = contents "$IMGROOT/$path/.tgal-note.html";
 127 % if (defined $note) {
 128 <div class=note>
 129 <% $note %>
 130 </div>
 131 % }
 132 %
 133 % if (@$dd) {
 134 <h2>Subfolders</h2>
 135 %   for my $size (@size) {
 136 <div class="gallery <% $size %>">
 137 %     for my $d (@$dd) {
 138   <& .thumbnail, target => $d->name, comment => $d->comment,
 139                  tn => $tn{$d}{$size}, size => $size,
 140                  caption =>
 141                    $m->interp->apply_escapes($d->name, "h") .
 142                    " [$count{$d}]" &>\
 143 %     }
 144 </div>
 145 %   }
 146 % }
 147 %
 148 % if (@$ff) {
 149 <h2>Images</h2>
 150 %   for my $size (@size) {
 151 <div class="gallery <% $size %>">
 152 %     for my $f (@$ff) {
 153   <& .thumbnail, target => $f->name, comment => $f->comment,
 154                  tn => $tn{$f}{$size}, size => $size,
 155                  caption => $m->interp->apply_escapes($f->name, "h") &>\
 156 %     }
 157 </div>
 158 %   }
 159 % }
 160 %
 161 <div class=fill></div>
 162 <& .footer, path => $path &>
 163 </&>
 164 %
 165 <%args>
 166         $path
 167 </%args>
 168 </%def>
 169 %
 170 %###-------------------------------------------------------------------------
 171 <%def .zip>\
 172 <%perl>
 173         my $st = stat "$IMGROOT/$path";
 174         if (!$st) { $m->comp(".not-found", path => $path); return; }
 175         my $zip = "$TMP/t$$-download.zip";
 176         my $err = "$TMP/t$$-download.stderr";
 177         my $kid = fork;
 178         if (!$kid) {
 179           untie *STDIN; open STDIN, "</dev/null";
 180           untie *STDOUT; open STDOUT, ">/dev/null";
 181           untie *STDERR; open STDERR, ">", $err;
 182           chdir "$IMGROOT/$path";
 183           exec "zip", "-qr", $zip, ".";
 184           exit 127;
 185         }
 186         waitpid $kid, 0;
 187 </%perl>
 188 %
 189 % if ($?) {
 190 <&| .html, title => "Zip failed (rc = $?)" &>
 191 <pre>
 192 <%perl>
 193         open my $f, "<", $err;
 194         my $buf;
 195         while (read $f, $buf, 16384) { $m->print($buf); }
 196 </%perl>
 197 </pre>
 198 </&>
 199 % } else {
 200 <%perl>
 201         $r->content_type("application/zip");
 202         open my $f, "<", $zip; binmode $f;
 203         my $buf;
 204         while (read $f, $buf, 16384) { $m->print($buf); }
 205 </%perl>
 206 % }
 207 %
 208 <%perl>
 209         eval { unlink $zip; };
 210         eval { unlink $err; };
 211 </%perl>
 212
 213 %
 214 <%args>
 215         $path
 216 </%args>
 217 </%def>
 218 %
 219 %###-------------------------------------------------------------------------
 220 <%def .image>\
 221 <%perl>
 222         my ($dir, $base, $ext) = split_path $path;
 223
 224         if (defined $scale) {
 225           my $img = TrivGal::Image->new($path);
 226           $m->redirect($img->scale($scale, 1));
 227         }
 228
 229         my $real = join_paths $IMGROOT, $path;
 230         my $url = join_paths $IMGURL, $path;
 231         my $realdir = join_paths $IMGROOT, $dir;
 232         my $urldir = join_paths $SCRIPTURL, $dir;
 233         my ($dd, $ff, $ii) = listdir $realdir;
 234         my @thumbsz = qw{smallthumb medthumb bigthumb};
 235         my @imgsz = sort { $SIZE{$a} <=> $SIZE{$b} } keys %SIZE;
 236         my ($wd, $ht, $max);
 237         my %tn;
 238         my %vw;
 239
 240         my $fi = undef;
 241         FILE: for (my $i = 0; $i < @$ff; $i++) {
 242           my $f = $ff->[$i];
 243           my $img = TrivGal::Image->new(join_paths $dir, $f->name);
 244           for my $sz (@thumbsz) { $tn{$f->name}{$sz} = $img->scale($sz); }
 245           if ($ff->[$i]->name eq "$base$ext") {
 246             $fi = $i;
 247             ($wd, $ht) = ($img->wd, $img->ht);
 248             $max = $img->sz;
 249             SIZE: for my $sc (@imgsz) {
 250               my $sz = $SIZE{$sc};
 251               last SIZE if $max < $sz;
 252               $vw{$sc} = $img->scale($sc);
 253             }
 254           }
 255         }
 256         defined $fi or die "image not found in its folder?";
 257         my $this = $ff->[$fi];
 258
 259         my %link;
 260         $link{up} = "";
 261         if ($fi != 0) {
 262           $link{first} = $ff->[0]->name;
 263           $link{prev} = $ff->[$fi - 1]->name;
 264         }
 265         if ($fi != @$ff - 1) {
 266           $link{last} = $ff->[-1]->name;
 267           $link{next} = $ff->[$fi + 1]->name;
 268         }
 269
 270         my $links = "";
 271         my $pre = urlencode join_paths $SCRIPTURL, $dir;
 272         for my $rel (qw{up first prev next last}) {
 273           $links .= sprintf "  <link rel=%s href=\"%s\">\n", $rel,
 274                             urlencode "$pre/$link{$rel}"
 275             if exists $link{$rel};
 276         }
 277 </%perl>
 278 %
 279 <&| .html, title => "Image " . $m->interp->apply_escapes($path, "h"),
 280            head => $links &>
 281 <& .breadcrumbs, what => "Image", path => $path &>
 282 % if ($this->comment) {
 283   <div class=comment>
 284     <p><% $this->comment %>
 285   </div>
 286 % }
 287 %
 288 <div class=viewnav>
 289 % if ($link{prev}) {
 290   <div class=prev>
 291     <a class=nav title="Previous image" href="<% "$pre/$link{prev}" |hu %>">
 292       <svg width="50" height="80" viewBox="-25 -40 50 80">
 293         <path class="fg" stroke="none"
 294               d="m+1,0 +6,-11 -2,-1 -12,+12 +12,+12 +2,-1 z"/>
 295       </svg>
 296     </a>
 297   </div>
 298 % }
 299   <a class=view href="<% $url |h %>">
 300     <picture>
 301 % my ($hoff, $voff) = (60, 480);
 302 % SIZE: for (my $i = 0; $i < @imgsz; $i++) {
 303 %   my $scale = $imgsz[$i];
 304 %   last SIZE unless exists $vw{$scale};
 305 %   my $scsz = $SIZE{$scale};
 306 %   my $f = $scsz/$max;
 307 %   my ($thiswd, $thisht) = map int, ($f*$wd + $hoff, $f*$ht + $voff);
 308       <source srcset="<% $vw{$scale} |h %>"
 309               media="(max-width: <% $thiswd %>px) or (max-height: <% $thisht %>px)">
 310 % }
 311       <img src="<% "$IMGURL/$path" |hu %>">
 312     </picture>
 313   </a>
 314 % if ($link{next}) {
 315   <div class=next>
 316     <a class=nav title="Next image" href="<% "$pre/$link{next}" |hu %>">
 317       <svg width="50" height="80" viewBox="-25 -40 50 80">
 318         <path class="fg" stroke="none"
 319               d="m-1,0 -6,-11 +2,-1 +12,+12 -12,+12 -2,-1 z"/>
 320       </svg>
 321     </a>
 322   </div>
 323 % }
 324 </div>
 325 %
 326 % for my $size (qw{smallthumb medthumb bigthumb}) {
 327 <div class="thumbstrip <% $size %>">
 328 %   for my $f (@$ff) {
 329   <& .thumbnail, target => $f->name,
 330                  tn => $tn{$f->name}{$size}, size => $size,
 331                  caption => $m->interp->apply_escapes($f->name, "h"),
 332                  focus => $f eq $this &>\
 333 %   }
 334 </div>
 335 % }
 336 <& .footer, path => $dir &>
 337 </&>
 338 %
 339 <%args>
 340         $path
 341         $scale => undef
 342 </%args>
 343 </%def>
 344 %
 345 %###-------------------------------------------------------------------------
 346 <%def .breadcrumbs>\
 347 % $path =~ s!/$!!;
 348 % my @p = split m!/!, $path;
 349 % my $pp = "";
 350 % my $prev = undef;
 351 <h1><% $what %> \
 352 % if (!@p) {
 353 [top]
 354 % } else {
 355 <a href="<% $SCRIPTURL |hu %>/">[top]</a>&thinsp;/&thinsp;\
 356 %   STEP: for my $p (@p) {
 357 %     if (defined $prev) {
 358 %       $pp .= "$prev/";
 359 <a href="<% join_paths($SCRIPTURL, $pp) |hu %>/">\
 360 <% $prev %></a>&thinsp;/&thinsp;\
 361 %     }
 362 %     $prev = $p;
 363 %   }
 364 <% $prev %>\
 365 % }
 366 % if ($m->has_content) {
 367
 368 <% $m->content %>\
 369 % }
 370 </h1>
 371 <%args>
 372         $what
 373         $path
 374 </%args>
 375 </%def>
 376 %
 377 %###-------------------------------------------------------------------------
 378 <%def .thumbnail>\
 379 % $tn //= "$STATICURL/folder.svg";
 380 % if ($focus) {
 381   <figure class="thumb focusthumb <% $size %>">
 382     <img class="thumb <% $size %>" loading=lazy src="<% $tn |h %>">
 383     <figcaption><span class=name><% $caption %></span></figcaption>
 384 % } else {
 385   <figure class="thumb <% $size %>">
 386     <a class=thumb href="<% $target |hu %>">
 387       <img class="thumb <% $size %>" loading=lazy src="<% $tn |h %>">
 388       <figcaption>
 389         <span class=name><% $caption %></span>
 390 % if (defined $comment) {
 391         <span class=comment><% $comment %></span>
 392 % }
 393       </figcaption>
 394     </a>
 395 % }
 396   </figure>
 397 %
 398 <%args>
 399         $target
 400         $tn
 401         $size
 402         $caption
 403         $comment => undef
 404         $focus => 0
 405 </%args>
 406 </%def>
 407 %
 408 %###-------------------------------------------------------------------------
 409 <%def .footer>\
 410 <%perl>
 411 </%perl>
 412 <div class=footer>
 413   <div class=footitem>
 414     <a href="https://www.gnu.org/licenses/agpl-3.0.en.html"><img class=licence src="<% "$STATICURL/agpl.png" |hu %>"></a>
 415     Trivial Gallery, copyright &copy; 2021 Mark Wooding.
 416     Free software: you can modify it and/or redistribute it under the
 417     terms of the
 418     <a rel=license href="https://www.gnu.org/licenses/agpl-3.0.en.html">GNU Affero
 419     General Public License version 3</a>.
 420     Browse or download the <a href="<% $SRCURL %>">source code</a>.
 421   </div>
 422 % my $user =
 423 %   find_covering_file $IMGROOT, $path, ".tgal-footer.html";
 424 % if (defined $user) {
 425   <div class=footitem>
 426 <% $user %>
 427   </div>
 428 % }
 429 </div>
 430 <%args>
 431         $path
 432 </%args>
 433 </%def>
 434 %
 435 %###-------------------------------------------------------------------------
 436 <%once>
 437         use autodie;
 438         use File::stat;
 439
 440         use TrivGal;
 441 </%once>
 442 %
 443 <%init>
 444         TrivGal->init;
 445
 446         my $path = $m->dhandler_arg;
 447         my $st = stat "$IMGROOT/$path";
 448         my $comp;
 449         if (!$st) {
 450           $comp = ".not-found";
 451           if ($path =~ /^ (.*) (\.(?: zip)) $/x) {
 452             $st = stat "$IMGROOT/$1";
 453             if ($st) { $path = $1; $comp = $2; }
 454           }
 455         }
 456         elsif (-d $st) { $comp = ".contact"; }
 457         elsif (-f $st) { $comp = ".image"; }
 458         else { $comp = ".not-found"; }
 459         $r->header_out("X-AGPL-Source" => $SRCURL);
 460         $m->comp($comp, path => $path, %ARGS);
 461 </%init>
 462 %
 463 %###----- That's all, folks -------------------------------------------------