mdw@git.distorted.org.uk Git - odin-cgi/blob - mason/pastebin/dhandler

   1 %# -*-html-*-
   2 %#
   3 %# Pastebin creation webservice for Odin
   4 %#
   5 %# (c) 2015 Mark Wooding
   6 %#
   7 %#----- Licensing notice ----------------------------------------------------
   8 %#
   9 %# This file is part of the `odin.gg' service, `odin-cgi'.
  10 %#
  11 %# `odin-cgi' is free software; you can redistribute it and/or modify
  12 %# it under the terms of the GNU Affero General Public License as
  13 %# published by the Free Software Foundation; either version 3 of the
  14 %# License, or (at your option) any later version.
  15 %#
  16 %# `odin-cgi' is distributed in the hope that it will be useful,
  17 %# but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 %# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 %# GNU Affero General Public License for more details.
  20 %#
  21 %# You should have received a copy of the GNU Affero General Public
  22 %# License along with `odin-cgi'; if not, see
  23 %# <http://www.gnu.org/licenses/>.
  24 %#
  25 <%perl>
  26         my $tag = $m->dhandler_arg;
  27
  28         sub set_handoff_cookie ($$%) {
  29           my ($tag, $edit, %attr) = @_;
  30           Odin::bake_cookie $r, "odin-handoff.$tag=$edit",
  31             -path => "$Odin::PASTEBIN_PATH/", %attr;
  32         }
  33
  34         sub hasuff ($) {
  35           my ($edit) = @_;
  36           return $Odin::COOKIE{"odin-cookie-probe"} ? "" : "?honc=$edit";
  37         }
  38
  39         Odin::bake_cookie $r, "odin-cookie-probe=t";
  40
  41         my %props = (
  42           lang => $lang, title => $title,
  43           content => Odin::tidy_pastebin_content $content
  44         );
  45
  46         if (length $tag) {
  47
  48           if (!defined $edit) {
  49             my $db = Odin::open_db;
  50             Odin::get_pastebin $db, $tag, my %old;
  51             if ($op eq "raw") {
  52               $r->content_type("text/plain; charset=utf8");
  53               $m->print($old{content});
  54             } else {
  55               $edit = $Odin::COOKIE{"odin-handoff.$tag"};
  56               $m->comp("%show", tag => $tag,
  57                        honc => $honc, edit => $edit // $honc, %old);
  58             }
  59           } else {
  60             if ($op eq "del") {
  61               Odin::delete_pastebin $tag, $edit;
  62               set_handoff_cookie $tag, "nil", -max_age => 5;
  63               $m->redirect("$Odin::PASTEBIN/");
  64             } else {
  65               set_handoff_cookie $tag, $edit;
  66               my $editp = Odin::update_pastebin $tag, $edit, %props;
  67               if ($editp) {
  68                 $m->redirect("$Odin::PASTEBIN/$tag" . hasuff $edit);
  69               } else {
  70                 $m->comp("%edit", tag => $tag, edit => $edit, %props);
  71               }
  72             }
  73           }
  74         } elsif (defined $content) {
  75           ($tag, $edit) = Odin::new_pastebin %props;
  76           set_handoff_cookie $tag, $edit;
  77           $m->redirect("$Odin::PASTEBIN/$tag" . hasuff $edit);
  78         } else {
  79           Odin::path_info($r) =~ m:/$:
  80             or $m->redirect("$Odin::PASTEBIN/", 301);
  81           $m->comp("%edit");
  82         }
  83 </%perl>
  84 %#
  85 <%args>
  86         $content => undef
  87         $edit => undef
  88         $lang => undef
  89         $title => undef
  90         $honc => undef
  91         $op => "edit"
  92 </%args>
  93 %#
  94 <%def .notfound>
  95 <&| SELF:error, title => "not found", status => 404 &>\
  96 tag &lsquo;<% $tag %>&rsquo; not found
  97 </&>
  98 <%args>
  99         $tag
 100 </%args>
 101 </%def>
 102 %#
 103 <%def .badpaste>
 104 <&| SELF:error, status => 400 &>\
 105 invalid paste content
 106 </&>
 107 <%args>
 108         $tag
 109 </%args>
 110 </%def>
 111 %#
 112 <%def .badhash>
 113 <&| SELF:error, status => 403 &>\
 114 incorrect edit key
 115 </&>
 116 <%args>
 117         $tag
 118 </%args>
 119 </%def>
 120 %#
 121 <%once>
 122         use utf8;
 123         use Digest::SHA qw(sha256_hex);
 124         use Odin;
 125 </%once>