Mercurial > pub > Impl
annotate Lib/IMPL/Web/Application.pm @ 340:c090d9102a38
web application security refactoring
| author | cin | 
|---|---|
| date | Fri, 21 Jun 2013 02:43:56 +0400 | 
| parents | 97628101b765 | 
| children | ec58c47edb52 | 
| rev | line source | 
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| 49 | 1 package IMPL::Web::Application; | 
| 2 use strict; | |
| 3 use warnings; | |
| 4 | |
| 198 | 5 use CGI; | 
| 6 use Carp qw(carp); | |
| 233 | 7 use IMPL::Const qw(:prop); | 
| 58 | 8 | 
| 198 | 9 use IMPL::declare { | 
| 10 require => { | |
| 244 | 11 Locator => 'IMPL::Web::AutoLocator', | 
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changeset | 12 TAction => 'IMPL::Web::Application::Action', | 
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changeset | 13 HttpResponse => 'IMPL::Web::HttpResponse', | 
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changeset | 14 TFactory => '-IMPL::Object::Factory', | 
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changeset | 15 Exception => 'IMPL::Exception', | 
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changeset | 16 ArgException => '-IMPL::InvalidArgumentException', | 
| 230 | 17 InvalidOperationException => '-IMPL::InvalidOperationException', | 
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changeset | 18 Loader => 'IMPL::Code::Loader' | 
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changeset | 19 }, | 
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changeset | 20 base => [ | 
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changeset | 21 'IMPL::Config' => '@_', | 
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changeset | 22 'IMPL::Object::Singleton' => undef | 
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changeset | 23 ], | 
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changeset | 24 props => [ | 
| 244 | 25 baseUrl => PROP_RW, | 
| 233 | 26 actionFactory => PROP_RW, | 
| 27 handlers => PROP_RW | PROP_LIST, | |
| 28 security => PROP_RW, | |
| 244 | 29 output => PROP_RW, | 
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changeset | 30 location => PROP_RO, | 
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changeset | 31 _handler => PROP_RW | 
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changeset | 32 ] | 
| 198 | 33 }; | 
| 49 | 34 | 
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changeset | 35 sub CTOR { | 
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changeset | 36 my ($this) = @_; | 
| 198 | 37 | 
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changeset | 38 die IMPL::InvalidArgumentException->new( "handlers", | 
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changeset | 39 "At least one handler should be supplied" ) | 
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changeset | 40 unless $this->handlers->Count; | 
| 49 | 41 | 
| 244 | 42 $this->baseUrl('/') unless $this->baseUrl; | 
| 43 | |
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changeset | 44 $this->actionFactory(TAction) unless $this->actionFactory; | 
| 244 | 45 $this->location(Locator->new(base => $this->baseUrl)); | 
| 62 | 46 } | 
| 47 | |
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changeset | 48 sub ProcessRequest { | 
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changeset | 49 my ($this,$q) = @_; | 
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changeset | 50 | 
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changeset | 51 die ArgException->new(q => 'A query is required') | 
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changeset | 52 unless $q; | 
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changeset | 53 | 
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changeset | 54 my $handler = $this->_handler; | 
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changeset | 55 unless ($handler) { | 
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changeset | 56 $handler = _ChainHandler( $_, $handler ) foreach $this->handlers; | 
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changeset | 57 $this->_handler($handler); | 
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changeset | 58 } | 
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changeset | 59 | 
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changeset | 60 my $action = $this->actionFactory->new( | 
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changeset | 61 query => $q, | 
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changeset | 62 application => $this, | 
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changeset | 63 ); | 
| 328 | 64 | 
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changeset | 65 eval { | 
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changeset | 66 my $result = $handler->($action); | 
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changeset | 67 | 
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changeset | 68 die InvalidOperationException->new("Invalid handlers result. A reference to IMPL::Web::HttpResponse is expexted.") | 
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changeset | 69 unless eval { $result->isa(HttpResponse) }; | 
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changeset | 70 | 
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changeset | 71 $result->PrintResponse( $this->output ); | 
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changeset | 72 }; | 
| 328 | 73 | 
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changeset | 74 $action->Dispose(); | 
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changeset | 75 | 
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changeset | 76 if ($@) { | 
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changeset | 77 my $e = $@; | 
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changeset | 78 | 
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changeset | 79 HttpResponse->InternalError( | 
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changeset | 80 type => 'text/plain', | 
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changeset | 81 charset => 'utf-8', | 
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changeset | 82 body => $e | 
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changeset | 83 )->PrintResponse( $this->output ); | 
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changeset | 84 | 
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changeset | 85 } | 
| 49 | 86 } | 
| 87 | |
| 198 | 88 sub _ChainHandler { | 
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changeset | 89 my ( $handler, $next ) = @_; | 
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changeset | 90 | 
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changeset | 91 if ( ref $handler eq 'CODE' ) { | 
| 198 | 92 return sub { | 
| 93 my ($action) = @_; | |
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changeset | 94 return $handler->( $action, $next ); | 
| 198 | 95 }; | 
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changeset | 96 } | 
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changeset | 97 elsif ( eval { $handler->can('Invoke') } ) { | 
| 198 | 98 return sub { | 
| 99 my ($action) = @_; | |
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changeset | 100 return $handler->Invoke( $action, $next ); | 
| 198 | 101 }; | 
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changeset | 102 } | 
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changeset | 103 elsif ( eval { $handler->isa(TFactory) } ) { | 
| 198 | 104 return sub { | 
| 105 my ($action) = @_; | |
| 106 my $inst = $handler->new(); | |
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changeset | 107 return $inst->Invoke( $action, $next ); | 
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changeset | 108 } | 
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changeset | 109 } | 
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changeset | 110 elsif ( $handler | 
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changeset | 111 and not ref $handler | 
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changeset | 112 and $handler =~ m/^(-)?(\w+(?:::\w+)*)$/ ) | 
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changeset | 113 { | 
| 198 | 114 my $class = $2; | 
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changeset | 115 if ( not $1 ) { | 
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changeset | 116 Loader->safe->Require($class); | 
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changeset | 117 die IMPL::InvalidArgumentException->( | 
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changeset | 118 "An invalid handler supplied", $handler | 
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changeset | 119 ) unless $class->can('Invoke'); | 
| 198 | 120 } | 
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changeset | 121 | 
| 198 | 122 return sub { | 
| 123 my ($action) = @_; | |
| 124 my $inst = $class->new(); | |
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changeset | 125 return $inst->Invoke( $action, $next ); | 
| 198 | 126 }; | 
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changeset | 127 } | 
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changeset | 128 else { | 
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changeset | 129 die new IMPL::InvalidArgumentException( "An invalid handler supplied", | 
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changeset | 130 $handler ); | 
| 198 | 131 } | 
| 132 } | |
| 133 | |
| 49 | 134 1; | 
| 135 | |
| 52 | 136 __END__ | 
| 137 | |
| 49 | 138 =pod | 
| 139 | |
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changeset | 140 =head1 NAME | 
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changeset | 141 | 
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changeset | 142 C<IMPL::Web::Application> Базовай класс для веб-приложения | 
| 244 | 143 | 
| 49 | 144 =cut | 
