Mercurial > pub > Impl
annotate Lib/IMPL/Web/QueryHandler/PageFormat.pm @ 144:b56ebc31bf18
Empty nodes no more created while transforming a post request to the DOM document
minor speed improvements to the object CTOR caching
Added support for a secure processing (and 'laundering' ) a CGI parameters
Many minor fixes
| author | wizard |
|---|---|
| date | Tue, 13 Jul 2010 02:05:38 +0400 |
| parents | fb896377389f |
| children | 60fd224f3e3c |
| rev | line source |
|---|---|
| 62 | 1 package IMPL::Web::QueryHandler::PageFormat; |
| 64 | 2 use base qw(IMPL::Web::QueryHandler IMPL::Object::Autofill); |
| 136 | 3 use strict; |
| 62 | 4 |
| 5 __PACKAGE__->PassThroughArgs; | |
| 6 | |
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7 use JSON; |
| 62 | 8 use IMPL::Class::Property; |
| 77 | 9 use IMPL::Web::TT::Document; |
| 136 | 10 use Template::Plugin::URL; |
| 97 | 11 use IMPL::Security::Context; |
| 65 | 12 use File::Spec; |
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13 use Error qw(:try); |
| 62 | 14 |
| 136 | 15 $Template::Plugin::URL::JOINT = '&'; |
| 16 | |
| 64 | 17 BEGIN { |
| 65 | 18 public property templatesCharset => prop_all; |
| 19 public property templatesBase => prop_all; | |
| 97 | 20 public property defaultTarget => prop_all; |
| 116 | 21 public property pathinfoPrefix => prop_all; |
| 134 | 22 public property cache => prop_all; |
| 64 | 23 } |
| 24 | |
| 25 sub CTOR { | |
| 26 my ($this) = @_; | |
| 27 | |
| 65 | 28 $this->templatesCharset('utf-8') unless $this->templatesCharset; |
| 134 | 29 $this->cache(File::Spec->rel2abs($this->cache)) if $this->cache; |
| 30 $this->templatesBase(File::Spec->rel2abs($this->templatesBase)) if $this->templatesBase; | |
| 64 | 31 } |
| 32 | |
| 62 | 33 sub Process { |
| 34 my ($this,$action,$nextHandler) = @_; | |
| 35 | |
| 134 | 36 my $doc = new IMPL::Web::TT::Document(cache => $this->cache); |
| 62 | 37 |
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38 try { |
| 97 | 39 |
| 40 $this->templatesBase($ENV{DOCUMENT_ROOT}) unless $this->templatesBase; | |
| 41 | |
| 136 | 42 my ($requestUri) = split /\?/, $ENV{REQUEST_URI}; |
| 43 | |
| 44 my $pathInfo; | |
| 45 | |
| 46 if ( $requestUri eq $ENV{SCRIPT_NAME}.$ENV{PATH_INFO} ) { | |
| 47 # CGI with path info | |
| 48 $pathInfo = $ENV{PATH_INFO}; | |
| 49 } else { | |
| 137 | 50 die "REQUEST_URI: $requestUri\nPATH_INFO: $ENV{PATH_INFO}" unless $requestUri eq $ENV{PATH_INFO}; |
| 136 | 51 } |
| 52 | |
| 53 my @root = (''); | |
| 54 my @base; | |
| 55 | |
| 116 | 56 if (my $rx = $this->pathinfoPrefix) { |
| 136 | 57 $requestUri =~ s/^($rx)//; |
| 58 push @root, grep $_, split /\//, $1 if $1; | |
| 116 | 59 } |
| 136 | 60 |
| 61 $pathInfo = $requestUri unless defined $pathInfo; | |
| 62 | |
| 63 @base = grep $_, split /\//, ($pathInfo ? substr $requestUri,0, -length($pathInfo) : $requestUri); | |
| 64 | |
| 116 | 65 local $ENV{PATH_INFO} = $pathInfo || $this->defaultTarget; |
| 97 | 66 |
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67 my @path = grep $_, split /\//, ($ENV{PATH_INFO} || '') or die new IMPL::Exception("PATH_INFO is empty and no defaultTarget specified" ); |
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68 |
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69 my @pathContainer = @path; |
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70 pop @pathContainer; |
| 65 | 71 |
| 121 | 72 $doc->LoadFile ( File::Spec->catfile($this->templatesBase,@path), $this->templatesCharset, $this->templatesBase ); |
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73 |
| 97 | 74 $doc->AddVar( result => $nextHandler->() ); |
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75 $doc->AddVar( action => $action ); |
| 129 | 76 $doc->AddVar( app => $action->application ); |
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77 |
| 136 | 78 $doc->AddVar( absoluteUrl => sub { join '/', @root, $_[0] } ); |
| 79 $doc->AddVar( baseUrl => sub { join '/', @root, @base, $_[0] } ); | |
| 80 $doc->AddVar( relativeUrl => sub { join '/', @root, @base, @pathContainer,$_[0] } ); | |
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81 |
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82 $doc->AddVar( user => IMPL::Security::Context->current->principal ); |
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parents:
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83 $doc->AddVar( session => IMPL::Security::Context->current ); |
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to_json and escape_string functions for the templates
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parents:
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changeset
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84 |
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parents:
137
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85 $doc->AddVar( to_json => \&to_json ); |
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86 $doc->AddVar( escape_string => sub { $_[0] =~ s/"/"/g; $_[0] } ); |
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87 |
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88 |
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89 $action->response->contentType('text/html'); |
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90 my $hOut = $action->response->streamBody; |
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91 print $hOut $doc->Render(); |
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92 } finally { |
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93 $doc->Dispose; |
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94 }; |
| 62 | 95 } |
| 96 | |
| 65 | 97 1; |
| 98 | |
| 99 __END__ | |
| 100 | |
| 101 =pod | |
| 102 | |
| 103 =head1 NAME | |
| 104 | |
| 105 C<IMPL::Web::QueryHandler::PageFormat> - Выдача результатов в виде HTML страницы, построенной из шаблона. | |
| 106 | |
| 107 =head1 SYNOPSIS | |
| 108 | |
| 109 В файле конфигурации приложения | |
| 110 | |
| 111 =begin code xml | |
| 112 | |
| 113 <handlersQuery type="IMPL::Object::List"> | |
| 114 <item type="IMPL::Web::QueryHandler::PageFormat"> | |
| 115 <charsetTemplates>utf-8</charsetTemplates> | |
| 116 </item> | |
| 117 </handlersQuery> | |
| 118 | |
| 119 =end code xml | |
| 120 | |
| 121 Программно | |
| 122 | |
| 123 =begin code | |
| 124 | |
| 125 my $app = new IMPL::Web::Application(); | |
| 126 $app->handlersQuery->Add( | |
| 127 new IMPL::Web::QueryHandler::PageFormat( charsetTemplates=> 'utf-8' ); | |
| 128 ); | |
| 129 | |
| 130 =end | |
| 131 | |
| 132 =head1 DESCRIPTION | |
| 133 | |
| 134 Обработчик запроса для веб приложения. Загружает шаблон, путь к котрому берется | |
| 135 из C<ENV{PATH_INFO}> относительно пути из свойства C<templatesBase>. | |
| 136 | |
| 137 Наследуется от C<IMPL::Web::QueryHandler> для реализации функционала | |
| 138 обработчика запроса и переопределяет метод C<Process>. | |
| 139 | |
| 140 C<Serializable> | |
| 141 | |
| 142 =head1 MEMBERS | |
| 143 | |
| 144 =over | |
| 145 | |
| 146 =item C<CTOR(%props)> | |
| 147 | |
| 148 Создает новый экземпляр и заполняет свойства. | |
| 149 | |
| 150 =item C<[get,set] templatesCharset> | |
| 151 | |
| 152 Кодировка шаблонов. По умолчанию utf-8. | |
| 153 | |
| 154 =item C<[get,set] templatesBase> | |
| 155 | |
| 156 Каталог относительно которого ищется шаблон. | |
| 157 | |
| 158 =item C<[override] Process($action,$nextHandler)> | |
| 159 | |
| 160 Метод, переопределяющий C<IMPL::Web::QueryHandler->Process> и которому передается управление | |
| 161 для выполнения действий. | |
| 162 | |
| 163 =back | |
| 164 | |
| 165 =cut |