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package Plack::Middleware::PeriAHS::CheckAccess; |
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use 5.010; |
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use strict; |
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use warnings; |
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use Log::ger; |
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use parent qw(Plack::Middleware); |
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use Plack::Util::Accessor qw( |
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allow_log |
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allow_uri_scheme |
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deny_uri_scheme |
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allow_uri |
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deny_uri |
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allow_action |
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deny_action |
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); |
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use Plack::Util::PeriAHS qw(errpage); |
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use SHARYANTO::Array::Util qw(match_array_or_regex); |
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use URI::Split qw(uri_split); |
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our $VERSION = '0.61'; # VERSION |
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sub prepare_app { |
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my $self = shift; |
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$self->{allow_log} //= 0; |
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$self->{allow_uri_scheme} //= ['pl']; |
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} |
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sub call { |
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log_trace("=> PeriAHS::CheckAccess middleware"); |
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my ($self, $env) = @_; |
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my $rreq = $env->{"riap.request"}; |
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my $uri = $rreq->{uri}; |
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if (!$self->{allow_log}) { |
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return errpage($env, [403, "Setting loglevel is forbidden"]) |
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if $rreq->{loglevel}; |
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} |
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my ($sch, $auth, $path) = uri_split($uri); |
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$sch //= "pl"; |
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if ($self->{allow_uri_scheme}) { |
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return errpage($env, [403, "Riap URI scheme not allowed (not in list)"]) |
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unless match_array_or_regex($sch, $self->{allow_uri_scheme}); |
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} |
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if ($self->{deny_uri_scheme}) { |
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return errpage($env, [403, "Riap URI scheme not allowed (deny list)"]) |
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if match_array_or_regex($sch, $self->{deny_uri_scheme}); |
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} |
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if ($self->{allow_uri}) { |
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return errpage($env, [403, "Riap URI not allowed (not in list)"]) |
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unless match_array_or_regex($uri, $self->{allow_uri}); |
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} |
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if ($self->{deny_uri}) { |
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return errpage($env, [403, "Riap URI not allowed (deny list)"]) |
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if match_array_or_regex($uri, $self->{deny_uri}); |
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} |
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if ($self->{allow_action}) { |
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return errpage($env, [403, "Riap action not allowed (not in list)"]) |
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unless match_array_or_regex($rreq->{action}, $self->{allow_action}); |
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} |
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if ($self->{deny_action}) { |
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return errpage($env, [403, "Riap action '$rreq->{action}' not allowed ". |
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"(deny list)"]) |
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if match_array_or_regex($rreq->{action}, $self->{deny_action}); |
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} |
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# continue to app |
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$self->app->($env); |
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} |
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1; |
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# ABSTRACT: Deny access based on some criteria |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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Plack::Middleware::PeriAHS::CheckAccess - Deny access based on some criteria |
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=head1 VERSION |
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This document describes version 0.61 of Plack::Middleware::PeriAHS::CheckAccess (from Perl distribution Perinci-Access-HTTP-Server), released on 2017-07-10. |
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=head1 DESCRIPTION |
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This middleware denies access according to some criterias in |
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C<$env->{"riap.request"}>. It should be put after ParseRequest. |
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For a more sophisticated access control, try the PeriAHS::ACL middleware. |
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=for Pod::Coverage .* |
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=head1 CONFIGURATIONS |
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=over 4 |
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=item * allow_log => BOOL (default 1) |
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Whether to allow request for returning log messages (request key C<loglevel> |
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with values larger than 0). You might want to turn this off on production |
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servers. |
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=item * allow_uri_scheme => ARRAY|REGEX (default ['pl']) |
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Which URI schemes are allowed. By default only local schemes are allowed. Add |
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'http' or 'https' if you want proxying capability. |
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=item * deny_uri_scheme => ARRAY|REGEX |
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121
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Which URI schemes are forbidden. |
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=item * allow_uri => ARRAY|REGEX (default ['pl']) |
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Allowed URIs. Note that URIs are normalized with scheme C<pl> if unschemed. |
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Example: |
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=item * deny_uri => ARRAY|REGEX (default ['pl']) |
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Forbidden URIs. |
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=item * allow_action => ARRAY|REGEX |
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Which actions are allowed. |
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=item * deny_action => ARRAY|REGEX |
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Which actions are forbidden. |
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=back |
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=head1 HOMEPAGE |
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Please visit the project's homepage at L<https://metacpan.org/release/Perinci-Access-HTTP-Server>. |
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=head1 SOURCE |
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Source repository is at L<https://github.com/perlancar/perl-Perinci-Access-HTTP-Server>. |
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=head1 BUGS |
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Please report any bugs or feature requests on the bugtracker website L<https://rt.cpan.org/Public/Dist/Display.html?Name=Perinci-Access-HTTP-Server> |
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154
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When submitting a bug or request, please include a test-file or a |
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patch to an existing test-file that illustrates the bug or desired |
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feature. |
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158
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=head1 AUTHOR |
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160
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perlancar <perlancar@cpan.org> |
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162
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=head1 COPYRIGHT AND LICENSE |
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164
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This software is copyright (c) 2017, 2015, 2014, 2013, 2012, 2011 by perlancar@cpan.org. |
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166
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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169
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=cut |