Created
January 17, 2016 12:04
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GPS file updater for Sony cameras. Just copy this to the root of your SD card and run it.
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#!/usr/bin/perl -w | |
# | |
# Script for downloading the most recent GPS Assist Data to a Sony DSC | |
# Camera with built-in GPS, such as the Sony DSC-HX5V. The script must | |
# be called with the mount point of a memory card for the camera as | |
# argument. | |
# | |
# See https://github.com/henrikbrixandersen/sony-gps-assist for more | |
# information. | |
# | |
# Copyright (c) 2010-2012 Henrik Brix Andersen <henrik@brixandersen.dk> | |
# All rights reserved. | |
# | |
# Redistribution and use in source and binary forms, with or without | |
# modification, are permitted provided that the following conditions | |
# are met: | |
# 1. Redistributions of source code must retain the above copyright | |
# notice, this list of conditions and the following disclaimer. | |
# 2. Redistributions in binary form must reproduce the above copyright | |
# notice, this list of conditions and the following disclaimer in the | |
# documentation and/or other materials provided with the distribution. | |
# | |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
# SUCH DAMAGE. | |
# | |
use strict; | |
use Digest::MD5 qw/md5_hex/; | |
use File::Path 2.06_05 qw/make_path/; | |
use LWP::UserAgent; | |
use File::Basename; | |
# Settings | |
my $base_url = 'http://control.d-imaging.sony.co.jp/GPS/'; | |
my $gps_file = 'assistme.dat'; | |
my $gps_url = $base_url . $gps_file; | |
my $md5_file = 'assistme.md5'; | |
my $md5_url = $base_url . $md5_file; | |
# Destination directory and file | |
my $dest_dir = dirname(__FILE__) . '/PRIVATE/SONY/GPS/'; | |
my $dest_file = $dest_dir . $gps_file; | |
# Initialize browser | |
my $browser = LWP::UserAgent->new; | |
my ($response); | |
# Download main file | |
print "Downloading '$gps_url'\n"; | |
$response = $browser->get($gps_url); | |
die "Could not download '$gps_url': ", $response->status_line unless ($response->is_success); | |
my $content = $response->content; | |
# Download MD5 file | |
print "Downloading '$md5_url'\n"; | |
$response = $browser->get($md5_url); | |
die "Could not download '$md5_url': ", $response->status_line unless ($response->is_success); | |
my $md5sum = $response->content; | |
chomp $md5sum; | |
$md5sum =~ s/^(\w{32}).*/$1/; | |
# Validate MD5 | |
print "Verifying MD5 checksum '$md5sum'\n"; | |
die "MD5 check failed, checksum was '" . md5_hex($content) . "'" if (md5_hex($content) ne $md5sum); | |
# Create destination directory if needed | |
unless (-d "$dest_dir") { | |
print "Creating directory '$dest_dir'\n"; | |
make_path("$dest_dir") || die "Could not create directory '$dest_dir', " . $!; | |
} | |
# Write file | |
print "Writing data to '$dest_file'\n"; | |
open(FILE, ">$dest_file") || die "Could not open '$dest_file' for writing, " . $!; | |
binmode(FILE) || die "Could not set binary mode on '$dest_file', " . $!; | |
print FILE $content; | |
close(FILE); | |
print "Done\n"; |
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