GoogleIDToken::Validator - allows you to verify on server side Google Access Token received by mobile application
Perl implamentation of Google Access Token verification. Details can be found on android developers blog: http://android-developers.blogspot.com/2013/01/verifying-back-end-calls-from-android.html
This module ONLY: =item * Verifies that this token signed by google certificates. =item * Verifies that this token was received by mobile application with given Client IDs and for given web application Client ID.
Nothing more. Nothing connected with authorization on any of Google APIs etc etc
my $validator = GoogleIDToken::Validator->new(
#do_not_cache_certs => 1, # will download google certificates from web every call of verify
#google_certs_url => 'https://some.domain.com/certs', # in case they change URL in the future... default is: https://www.googleapis.com/oauth2/v1/certs
certs_cache_file => '/tmp/google.crt', # will cache certs in this file for faster verify if you are using CGI
web_client_id => '111222333444.apps.googleusercontent.com', # Your Client ID for web applications received in Google APIs console
app_client_ids => [ # Array of your Client ID for installed applications received in Google APIs console
'777777777777-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.apps.googleusercontent.com', # for exm. your production keystore ID
'888888888888-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.apps.googleusercontent.com' # and your eclipse debug keystore ID
# web_client_id and at least one of app_client_ids are required
# get the token from your mobile app somehow...
my $token = 'eyJhbG..............very.long.base64.encoded.access.token............';
my $payload = $validator->verify($token);
# token is OK, lets see what we have got
print "payload: ".Dumper($payload);
Dmitry Mukhin, <admin at dimanoid.ru>
<admin at dimanoid.ru>
Please report any bugs or feature requests to bug-googleidtoken-validator at rt.cpan.org, or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=GoogleIDToken-Validator. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
bug-googleidtoken-validator at rt.cpan.org
You can find documentation for this module with the perldoc command.
You can also look for information at:
RT: CPAN's request tracker (report bugs here)
AnnoCPAN: Annotated CPAN documentation
Copyright 2013 Dmitry Mukhin.
This program is free software; you can redistribute it and/or modify it under the terms of the the Artistic License (2.0). You may obtain a copy of the full license at:
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To install GoogleIDToken::Validator, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell
For more information on module installation, please visit the detailed CPAN module installation guide.