www/routino/customvisualiser.cgi

#!/usr/bin/perl
#
# Routino data visualiser custom link CGI
#
# Part of the Routino routing software.
#
# This file Copyright 2008-2011 Andrew M. Bishop
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# Use the perl CGI module
use CGI ':cgi';

# Create the query and get the parameters

$query=new CGI;

@rawparams=$query->param;

# Legal CGI parameters with regexp validity check

%legalparams=(
              "lon"  => "[-0-9.]+",
              "lat"  => "[-0-9.]+",
              "zoom" => "[0-9]+"
             );

# Validate the CGI parameters, ignore invalid ones

foreach $key (@rawparams)
  {
   foreach $test (keys (%legalparams))
     {
      if($key =~ m%^$test$%)
        {
         $value=$query->param($key);

         if($value =~ m%^$legalparams{$test}$%)
           {
            $cgiparams{$key}=$value;
            last;
           }
        }
     }
  }

# Open template file and output it

$bestpref=0;
$bestlang="";

if(defined $ENV{HTTP_ACCEPT_LANGUAGE})
  {
   $LANGUAGES=$ENV{HTTP_ACCEPT_LANGUAGE};

   @LANGUAGES=split(",",$LANGUAGES);

   foreach $LANG (@LANGUAGES)
     {
      if($LANG =~ m%^([^; ]+) *; *q *= *([0-9.]+)%)
        {
         $LANG=$1;
         $preference=$2;
        }
      else
        {
         $preference=1.0;
        }

      if($preference>$bestpref && -f "visualiser.html.$LANG")
        {
         $bestpref=$preference;
         $bestlang=$LANG;
        }
     }
  }

if($bestpref>0)
  {
   open(TEMPLATE,"<visualiser.html.$bestlang");
  }
else
  {
   open(TEMPLATE,"<visualiser.html");
  }

# Parse the template and fill in the parameters

print header('text/html');

while(<TEMPLATE>)
  {
   if(m%^<BODY.+>%)
     {
      s/'lat'/$cgiparams{'lat'}/   if(defined $cgiparams{'lat'});
      s/'lon'/$cgiparams{'lon'}/   if(defined $cgiparams{'lon'});
      s/'zoom'/$cgiparams{'zoom'}/ if(defined $cgiparams{'zoom'});
      print;
     }
   else
     {
      print;
     }
  }

close(TEMPLATE);
1	#!/usr/bin/perl
2	#
3	# Routino data visualiser custom link CGI
4	#
5	# Part of the Routino routing software.
6	#
7	# This file Copyright 2008-2011 Andrew M. Bishop
8	#
9	# This program is free software: you can redistribute it and/or modify
10	# it under the terms of the GNU Affero General Public License as published by
11	# the Free Software Foundation, either version 3 of the License, or
12	# (at your option) any later version.
13	#
14	# This program is distributed in the hope that it will be useful,
15	# but WITHOUT ANY WARRANTY; without even the implied warranty of
16	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17	# GNU Affero General Public License for more details.
18	#
19	# You should have received a copy of the GNU Affero General Public License
20	# along with this program. If not, see <http://www.gnu.org/licenses/>.
21	#
22
23	# Use the perl CGI module
24	use CGI ':cgi';
25
26	# Create the query and get the parameters
27
28	$query=new CGI;
29
30	@rawparams=$query->param;
31
32	# Legal CGI parameters with regexp validity check
33
34	%legalparams=(
35	"lon" => "[-0-9.]+",
36	"lat" => "[-0-9.]+",
37	"zoom" => "[0-9]+"
38	);
39
40	# Validate the CGI parameters, ignore invalid ones
41
42	foreach $key (@rawparams)
43	{
44	foreach $test (keys (%legalparams))
45	{
46	if($key =~ m%^$test$%)
47	{
48	$value=$query->param($key);
49
50	if($value =~ m%^$legalparams{$test}$%)
51	{
52	$cgiparams{$key}=$value;
53	last;
54	}
55	}
56	}
57	}
58
59	# Open template file and output it
60
61	$bestpref=0;
62	$bestlang="";
63
64	if(defined $ENV{HTTP_ACCEPT_LANGUAGE})
65	{
66	$LANGUAGES=$ENV{HTTP_ACCEPT_LANGUAGE};
67
68	@LANGUAGES=split(",",$LANGUAGES);
69
70	foreach $LANG (@LANGUAGES)
71	{
72	if($LANG =~ m%^([^; ]+) ; q = ([0-9.]+)%)
73	{
74	$LANG=$1;
75	$preference=$2;
76	}
77	else
78	{
79	$preference=1.0;
80	}
81
82	if($preference>$bestpref && -f "visualiser.html.$LANG")
83	{
84	$bestpref=$preference;
85	$bestlang=$LANG;
86	}
87	}
88	}
89
90	if($bestpref>0)
91	{
92	open(TEMPLATE,"<visualiser.html.$bestlang");
93	}
94	else
95	{
96	open(TEMPLATE,"<visualiser.html");
97	}
98
99	# Parse the template and fill in the parameters
100
101	print header('text/html');
102
103	while(<TEMPLATE>)
104	{
105	if(m%^<BODY.+>%)
106	{
107	s/'lat'/$cgiparams{'lat'}/ if(defined $cgiparams{'lat'});
108	s/'lon'/$cgiparams{'lon'}/ if(defined $cgiparams{'lon'});
109	s/'zoom'/$cgiparams{'zoom'}/ if(defined $cgiparams{'zoom'});
110	print;
111	}
112	else
113	{
114	print;
115	}
116	}
117
118	close(TEMPLATE);