From 8459903fa0ab8e61a9a373ef74c2e6c3963b7c78 Mon Sep 17 00:00:00 2001
From: cos <cos>
Date: Sun, 19 Jun 2016 20:24:32 +0200
Subject: Implement login via web.

---
 cgi-bin/mat.cgi-package | 125 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100755 cgi-bin/mat.cgi-package

(limited to 'cgi-bin/mat.cgi-package')

diff --git a/cgi-bin/mat.cgi-package b/cgi-bin/mat.cgi-package
new file mode 100755
index 0000000..15ad893
--- /dev/null
+++ b/cgi-bin/mat.cgi-package
@@ -0,0 +1,125 @@
+#!/usr/bin/perl
+
+package cgi::mat;
+
+require Exporter;
+@ISA = qw(Exporter);
+@EXPORT = qw(misconfigured);
+
+use strict;
+use warnings;
+
+use Config::Simple;
+use CGI::Simple;
+use CGI::Session;
+use DBI;
+
+tie my %Config, "Config::Simple", '/etc/mat.conf';
+
+my $q = new CGI::Simple;
+my $id = $q->param('id');
+my $action = $q->param('action');
+my $storage = $q->param('storage');
+my $session = CGI::Session->new(undef, undef, {Directory =>
+    $Config{'session_directory'}});
+
+sub misconfigured
+{
+  print "Content-Type: text/plain; charset=utf-8\n\r\n\r";
+  print "This system is misconfigured.\n";
+  exit 1;
+}
+
+sub invalid_input()
+{
+  print "Content-Type: text/plain; charset=utf-8\n\r\n\r";
+  print "Invalid input.\n";
+  exit 1;
+}
+
+sub unauthorized()
+{
+  print "Content-Type: text/plain; charset=utf-8\n\r\n\r";
+  print "Not authorized!\n";
+  exit 1;
+}
+
+sub send_cookie()
+{
+  print $session->header(-type => 'text/html', -charset => 'utf8');
+}
+
+sub cmd_view($)
+{
+  my ( $id ) = @_;
+
+  my $db = DBI->connect($Config{'database'}, "", "",
+      {HandleError => \&misconfigured, AutoCommit => 1});
+
+  my $recipe_row = $db->selectrow_arrayref("SELECT name, storage, uri, ".
+      "amount, energy FROM recipes AS r JOIN inventory AS i ".
+      "ON i.recipe_id=r.id WHERE i.id=".$id.";");
+
+  print $id, "<br />", $$recipe_row[0], "<br />", $$recipe_row[1], "<br />";
+  print $$recipe_row[3] ? $$recipe_row[3]." g<br />" : "", "<br />";
+  print $$recipe_row[4] ? $$recipe_row[4]." kJ<br />" : "", "<br />";
+  if(substr($$recipe_row[2], 0, 4) eq "http") {
+    print '<a href="'.$$recipe_row[2].'">'.$$recipe_row[2].'</a>', "<br />";
+  } else {
+    print $$recipe_row[2], "<br />";
+  }
+  if ($session->param('authenticated') eq "yes") {
+    print "<font size=20>\n";
+    for my $store ( split(" ", $Config{'relocate_stores'}) ) {
+      print " <a href=".$Config{'label_id_prefix'}."$id/relocate/$store>".
+          "$store</a> \n";
+    }
+    print "</font>";
+  }
+}
+
+sub cmd_relocate($$)
+{
+  my ( $id, $storage ) = @_;
+
+  my $db = DBI->connect($Config{'database'}, "", "",
+      {HandleError => \&misconfigured, AutoCommit => 1});
+
+  $db->do('UPDATE inventory SET storage="'.$storage.'" WHERE id='.$id);
+
+  cmd_view($id);
+}
+
+### MAIN PROGRAM ##############################################################
+
+sub run
+{
+  misconfigured unless ($Config{'database'});
+  misconfigured unless $session;
+  invalid_input unless ($id and $action);
+
+  invalid_input unless (($id =~ m/^[0-9]+$/) and ($action =~ m/^view|relocate$/) and
+      ($storage =~ /^[a-z0-9]*$/));
+  send_cookie;
+
+  for ($action) {
+    if    (/^view$/) {
+      cmd_view($id);
+    }
+    elsif (/^relocate$/) {
+      if ($session->param('authenticated') eq "yes") {
+        $session->expire("5y");
+        cmd_relocate($id, $storage);
+      } else {
+        unauthorized();
+      }
+    }
+    else {
+      invalid_input;
+    }
+  }
+}
+
+__PACKAGE__->run( @ARGV ) unless caller();
+
+__END__
-- 
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