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package Web::App; |
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# $Id: App.pm,v 1.36 2009/03/23 00:44:49 apla Exp $ |
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our $VERSION = '1.21'; |
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865
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use Class::Easy; |
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use Data::Dumper; |
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1123
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use IO::Easy; |
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51721
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use Web::App::Config; |
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use Web::App::Request; |
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use Web::App::Response; |
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use Web::App::Session; |
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has 'root'; |
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has 'config'; |
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has 'int'; |
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has 'session'; |
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has 'request'; |
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has 'response'; |
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has 'project', is => 'rw'; |
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our $app = {}; |
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1; |
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sub new { |
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my $class = shift; |
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my $params = {@_}; |
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bless $app, $class; |
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debug "process initialization"; |
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my $t = timer ('project init'); |
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my $config_file; |
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if ($params->{project}) { |
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my $project = $params->{project}; |
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die "can't use package $project" |
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unless try_to_use ($project); |
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# modules always in lib for Web::App |
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$app->{root} = $project->root; |
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$app->{project} = $project; |
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# !!! dirty xml hack |
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$config_file = $project->root->append ('etc', $project->id . '-web-app.xml') |
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unless -f $config_file; |
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} else { |
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$app->{root} = IO::Easy->new ($params->{'root'}); |
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$config_file = $params->{'config'} || 'etc/config.xml'; |
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} |
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59
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$t->lap ('config loading'); |
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# Анализирует входящий запрос, производит общую абстрактную |
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# обработку запроса |
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64
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debug "creating Web::App object in $app->{root}"; |
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66
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debug 'loading configuration'; |
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68
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my $config = Web::App::Config->get ($app, $config_file); |
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$app->{config} = $config; |
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72
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$t->lap ('modules loading'); |
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74
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$config->init_modules; |
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76
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$t->end; |
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78
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return $app; |
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} |
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# accessors here |
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83
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sub home { |
84
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shift->{root}; |
85
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} |
86
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87
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sub app { |
88
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$app; |
89
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} |
90
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91
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sub receive_request { |
92
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my $self = shift; |
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94
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# initialization |
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my $request = $self->{request} = Web::App::Request->new ($app); |
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my $response = $self->{response} = Web::App::Response->new; |
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98
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$request->handle ($self); |
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100
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$response->{data}->{request} = $request; # for presentation |
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102
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my $screen = $self->request->screen; |
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104
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# TODO CHANGE DESCRIPTION |
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# we don't init session because some session |
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# internals must be preloaded |
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108
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my $session = Web::App::Session->detect; |
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110
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} |
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112
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sub handler { |
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my $self = shift; |
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115
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my $r = Web::App::Request->new ($app); |
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117
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return $r; |
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} |
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120
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sub var { |
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my $self = shift; |
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return $self->response->data; |
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} |
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125
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sub expand_params { |
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my $self = shift; |
127
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my $params = shift; |
128
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129
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my $session = $self->session; |
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my $request = $self->request; |
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my $form = $request->params; |
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133
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my $dirs = { |
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'data-dir' => $self->root . '/var/db/sharedwork', |
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'root' => $self->root, |
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'path_info' => $request->path_info, |
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'session_id' => $session->id, |
138
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'screen_id' => $request->screen->id, |
139
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'dir_info' => $request->dir_info, |
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'file_name' => $request->file_name, |
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'file_extension' => $request->file_extension, |
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'base_uri' => $request->base_uri, |
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'var' => $self->var, |
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'form' => {map { |
145
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$_ => $form->{$_}->[0] |
146
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} grep {! /CGI\:\:Minimal/} keys %$form}, |
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}; |
148
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149
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my $counter = 1; |
150
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foreach my $match (@{$request->screen_matches}) { |
151
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$dirs->{$counter} = $match; |
152
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$counter++; |
153
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} |
154
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155
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if (defined ref $params and ref $params eq 'HASH') { |
156
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foreach my $key (keys %$params) { |
157
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#supports xslt notation: {$aaa} |
158
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# 3-letters |
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my $val = $params->{$key}; |
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my $pos = index ($val, '{$'); |
161
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while ($pos > -1) { |
162
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my $end = index ($val, '}', $pos); |
163
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my $str = substr ($val, $pos + 2, $end - $pos - 2); |
164
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165
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# warn "found replacement: key => $key, requires => \$$str\n"; |
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167
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my $fix; |
168
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if (index ($str, '/') > -1) { # treat as path |
169
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# warn join ', ', keys %{$self->var}; |
170
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$fix = Web::App::Config::path_to_val ($dirs, $str); |
171
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} else { # scalar |
172
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$fix = $dirs->{$str}; |
173
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} |
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175
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# warn "value for replace is: $fix\n"; |
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177
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if ($pos == 0 and $end == (length ($val) - 1)) { |
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$val = $fix; |
179
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} else { |
180
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substr ($val, $pos, $end - $pos + 1, $fix); |
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} |
182
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$pos = index ($val, '{$', $end); |
183
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} |
184
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$params->{$key} = $val; |
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# warn ("key is: $key, param is: $1"); |
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} |
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} else { # what this? |
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$params =~ s/(?:\$\{|\{\$)([\w\-_0-9]+)\}/$dirs->{$1}/g; |
189
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return $params; |
190
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} |
191
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192
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} |
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194
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195
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sub process_request { |
196
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my $self = shift; |
197
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198
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my $request = $self->request; |
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my $response = $self->response; |
200
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201
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my $screen = $self->request->screen; |
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203
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# adding processors from config for current screen into request |
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my $processors = []; |
205
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if ($request->data_available) { |
206
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$processors = $screen->process_calls; |
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} else { |
208
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$processors = $screen->init_calls; |
209
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} |
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211
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push @{$request->processors}, @$processors |
212
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if defined $processors; |
213
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214
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$request->presentation ($screen->{'presentation'}); |
215
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216
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while (my $processor = $request->next_processor) { |
217
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218
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last unless defined $processor; |
219
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220
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my $processor_params = {%$processor}; # copy |
221
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222
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my $result_place = delete $processor_params->{place}; |
223
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224
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$self->expand_params ($processor_params); |
225
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226
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my $processor_call = $processor_params->{sub}; |
227
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228
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debug "launch '$processor_call'"; |
229
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230
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my ($pack, $method) = split '->', $processor_call; |
231
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if ($pack =~ /^\$([^:]+)$/) { |
232
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$pack = $app->$1; |
233
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} |
234
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235
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my $result = eval { |
236
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$pack->$method ($self, $processor_params); |
237
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}; |
238
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239
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if (defined $result and $result) { |
240
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241
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die "you must supply place for results" |
242
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unless $result_place; |
243
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244
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die "you can't override $result_place" |
245
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if exists $app->var->{$result_place}; |
246
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247
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$app->var->{$result_place} = $result; |
248
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} |
249
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250
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# eval "$processor_call (\$self, \$processor_params)"; |
251
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critical "after '$processor_call' launch: $@" |
252
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if $@; |
253
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} |
254
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255
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debug "processors finished"; |
256
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257
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my $location = $self->{'redirect-to'}; |
258
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259
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# !!! need to be replaced for correct headers output. |
260
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261
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debug Dumper $response->data |
262
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if $Class::Easy::DEBUGIMMEDIATELY; |
263
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264
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if ($location) { |
265
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if ($Class::Easy::DEBUGIMMEDIATELY) { |
266
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# print "Location: $location\n\n"; |
267
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debug "actual headers are below"; |
268
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} else { |
269
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$self->response->headers->header ('Location' => $location); |
270
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} |
271
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} |
272
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273
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274
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} |
275
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276
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sub handle_request ($$) { |
277
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my $class = shift; |
278
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my $r = shift; |
279
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280
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my $self = $class->app; |
281
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282
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delete $self->{'redirect-to'}; |
283
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284
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my $t = timer ('request retrieval'); |
285
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286
|
|
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|
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|
$self->receive_request; |
287
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288
|
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|
$t->lap ('accessors'); |
289
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|
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|
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290
|
|
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|
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|
|
my $request = $self->request; |
291
|
|
|
|
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|
|
my $screen = $request->screen; |
292
|
|
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293
|
|
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|
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|
|
my $session = $self->session; |
294
|
|
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|
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295
|
|
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|
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|
|
$t->lap ('authentication'); |
296
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|
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297
|
|
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|
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|
|
if ($screen->authenticated ($session)) { |
298
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|
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|
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299
|
|
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|
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|
|
$t->lap ('processors work'); |
300
|
|
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|
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|
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301
|
|
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|
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|
|
$self->process_request; |
302
|
|
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|
|
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|
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303
|
|
|
|
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|
|
} else { |
304
|
|
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|
|
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|
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305
|
|
|
|
|
|
|
debug "screen not authenticated"; |
306
|
|
|
|
|
|
|
$self->clear_process_queue; |
307
|
|
|
|
|
|
|
$self->set_presentation_screen ('login'); |
308
|
|
|
|
|
|
|
|
309
|
|
|
|
|
|
|
} |
310
|
|
|
|
|
|
|
|
311
|
|
|
|
|
|
|
$t->lap ('presentation'); |
312
|
|
|
|
|
|
|
|
313
|
|
|
|
|
|
|
my $content; |
314
|
|
|
|
|
|
|
my $status; |
315
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
my $can_set_status = $request->can ('set_status'); |
317
|
|
|
|
|
|
|
|
318
|
|
|
|
|
|
|
if ($self->redirected) { |
319
|
|
|
|
|
|
|
$request->set_status (302) |
320
|
|
|
|
|
|
|
if $can_set_status; |
321
|
|
|
|
|
|
|
|
322
|
|
|
|
|
|
|
$self->send_headers; |
323
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
} else { |
325
|
|
|
|
|
|
|
$request->set_status (200) |
326
|
|
|
|
|
|
|
if $can_set_status; |
327
|
|
|
|
|
|
|
|
328
|
|
|
|
|
|
|
$self->prepare_presenter; |
329
|
|
|
|
|
|
|
$content = $self->run_presenter; |
330
|
|
|
|
|
|
|
|
331
|
|
|
|
|
|
|
$self->send_headers; |
332
|
|
|
|
|
|
|
|
333
|
|
|
|
|
|
|
$request->send_content ($content); |
334
|
|
|
|
|
|
|
} |
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
$t->end; |
337
|
|
|
|
|
|
|
debug "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< request finished"; |
338
|
|
|
|
|
|
|
$t->total; |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
$request->done_status; |
341
|
|
|
|
|
|
|
} |
342
|
|
|
|
|
|
|
|
343
|
|
|
|
|
|
|
sub prepare_presenter { |
344
|
|
|
|
|
|
|
my $app = shift; |
345
|
|
|
|
|
|
|
|
346
|
|
|
|
|
|
|
# maybe processor changed presentation |
347
|
|
|
|
|
|
|
my $presentation = $app->request->presentation; |
348
|
|
|
|
|
|
|
|
349
|
|
|
|
|
|
|
my $presenter = $app->config->presenters->{$presentation->{'type'}}; |
350
|
|
|
|
|
|
|
|
351
|
|
|
|
|
|
|
$app->response->presenter ($presenter); |
352
|
|
|
|
|
|
|
|
353
|
|
|
|
|
|
|
$presenter->headers; |
354
|
|
|
|
|
|
|
|
355
|
|
|
|
|
|
|
} |
356
|
|
|
|
|
|
|
|
357
|
|
|
|
|
|
|
sub debug_log { # TODO: more optimal way without copying |
358
|
|
|
|
|
|
|
my $self = shift; |
359
|
|
|
|
|
|
|
|
360
|
|
|
|
|
|
|
my $result = $Web::App::LOG; |
361
|
|
|
|
|
|
|
|
362
|
|
|
|
|
|
|
$Web::App::LOG = ''; |
363
|
|
|
|
|
|
|
|
364
|
|
|
|
|
|
|
my $presentation = $self->request->presentation; |
365
|
|
|
|
|
|
|
my $presentation_type = $presentation->{'type'}; |
366
|
|
|
|
|
|
|
|
367
|
|
|
|
|
|
|
# we must prettify log for html |
368
|
|
|
|
|
|
|
|
369
|
|
|
|
|
|
|
my $presenters = $self->config->presenters; |
370
|
|
|
|
|
|
|
my $presenter; |
371
|
|
|
|
|
|
|
|
372
|
|
|
|
|
|
|
if ($presentation_type) { |
373
|
|
|
|
|
|
|
$presenter = $presenters->{$presentation_type}; |
374
|
|
|
|
|
|
|
} else { |
375
|
|
|
|
|
|
|
if ($self->response->headers->content_type =~ /text\/html/) { |
376
|
|
|
|
|
|
|
$presenter = $presenters->{'xslt'}; |
377
|
|
|
|
|
|
|
warn "we hacked into xslt"; |
378
|
|
|
|
|
|
|
} |
379
|
|
|
|
|
|
|
} |
380
|
|
|
|
|
|
|
|
381
|
|
|
|
|
|
|
if ($presenter and $presenter->can ('wrap_log')) { |
382
|
|
|
|
|
|
|
return $presenter->wrap_log ($result); |
383
|
|
|
|
|
|
|
} else { |
384
|
|
|
|
|
|
|
return $result; |
385
|
|
|
|
|
|
|
} |
386
|
|
|
|
|
|
|
|
387
|
|
|
|
|
|
|
} |
388
|
|
|
|
|
|
|
|
389
|
|
|
|
|
|
|
sub send_headers { |
390
|
|
|
|
|
|
|
my $app = shift; |
391
|
|
|
|
|
|
|
|
392
|
|
|
|
|
|
|
my $request = $app->request; |
393
|
|
|
|
|
|
|
|
394
|
|
|
|
|
|
|
return if $request->headers_sent; |
395
|
|
|
|
|
|
|
|
396
|
|
|
|
|
|
|
my $headers = $app->response->headers; |
397
|
|
|
|
|
|
|
|
398
|
|
|
|
|
|
|
$request->send_headers ($headers); |
399
|
|
|
|
|
|
|
debug "headers are: ", $headers->as_string; |
400
|
|
|
|
|
|
|
|
401
|
|
|
|
|
|
|
$request->headers_sent (1); |
402
|
|
|
|
|
|
|
} |
403
|
|
|
|
|
|
|
|
404
|
|
|
|
|
|
|
sub set_presentation { |
405
|
|
|
|
|
|
|
my $self = shift; |
406
|
|
|
|
|
|
|
my $presentation = shift; |
407
|
|
|
|
|
|
|
|
408
|
|
|
|
|
|
|
$self->request->presentation ($presentation); |
409
|
|
|
|
|
|
|
} |
410
|
|
|
|
|
|
|
|
411
|
|
|
|
|
|
|
sub set_presentation_screen { |
412
|
|
|
|
|
|
|
my $self = shift; |
413
|
|
|
|
|
|
|
my $screen_name = shift; |
414
|
|
|
|
|
|
|
|
415
|
|
|
|
|
|
|
my $screen = $self->config->screen ($screen_name)->{'?'}; |
416
|
|
|
|
|
|
|
|
417
|
|
|
|
|
|
|
$self->request->presentation ($screen->{'presentation'}); |
418
|
|
|
|
|
|
|
|
419
|
|
|
|
|
|
|
$self->request->screen ($screen); |
420
|
|
|
|
|
|
|
|
421
|
|
|
|
|
|
|
} |
422
|
|
|
|
|
|
|
|
423
|
|
|
|
|
|
|
sub clear_process_queue { |
424
|
|
|
|
|
|
|
my $self = shift; |
425
|
|
|
|
|
|
|
|
426
|
|
|
|
|
|
|
debug 'requested for clearing processor queue, processed'; |
427
|
|
|
|
|
|
|
|
428
|
|
|
|
|
|
|
$self->request->processors ([]); |
429
|
|
|
|
|
|
|
} |
430
|
|
|
|
|
|
|
|
431
|
|
|
|
|
|
|
sub redirect_to_screen { |
432
|
|
|
|
|
|
|
my $self = shift; |
433
|
|
|
|
|
|
|
my $screen = shift; |
434
|
|
|
|
|
|
|
|
435
|
|
|
|
|
|
|
my $request = $self->request; |
436
|
|
|
|
|
|
|
|
437
|
|
|
|
|
|
|
return unless $request->type eq 'CGI'; |
438
|
|
|
|
|
|
|
|
439
|
|
|
|
|
|
|
# TODO CRITICAL: fix for proto (https) and port |
440
|
|
|
|
|
|
|
|
441
|
|
|
|
|
|
|
my $base_uri = $request->base_uri; |
442
|
|
|
|
|
|
|
my $host = $request->host; |
443
|
|
|
|
|
|
|
if ($self->project and exists $self->project->config->{'hostname'}) { |
444
|
|
|
|
|
|
|
$host = $self->project->config->{'hostname'}; |
445
|
|
|
|
|
|
|
} |
446
|
|
|
|
|
|
|
|
447
|
|
|
|
|
|
|
if ( $request->{'session-id'} ) { |
448
|
|
|
|
|
|
|
my $session_id = $request->{'session-id'}; |
449
|
|
|
|
|
|
|
$self->{'redirect-to'} = "http://$host$base_uri/$session_id\@$screen"; |
450
|
|
|
|
|
|
|
|
451
|
|
|
|
|
|
|
} else { |
452
|
|
|
|
|
|
|
$self->{'redirect-to'} = "http://$host$base_uri/$screen"; |
453
|
|
|
|
|
|
|
} |
454
|
|
|
|
|
|
|
} |
455
|
|
|
|
|
|
|
|
456
|
|
|
|
|
|
|
sub redirect { |
457
|
|
|
|
|
|
|
my $self = shift; |
458
|
|
|
|
|
|
|
my $url = shift; |
459
|
|
|
|
|
|
|
|
460
|
|
|
|
|
|
|
debug "requested redirect to uri: $url"; |
461
|
|
|
|
|
|
|
|
462
|
|
|
|
|
|
|
my $request = $self->request; |
463
|
|
|
|
|
|
|
|
464
|
|
|
|
|
|
|
$self->{'redirect-to'} = $url; |
465
|
|
|
|
|
|
|
} |
466
|
|
|
|
|
|
|
|
467
|
|
|
|
|
|
|
sub redirected { |
468
|
|
|
|
|
|
|
my $self = shift; |
469
|
|
|
|
|
|
|
|
470
|
|
|
|
|
|
|
my $status = 0; |
471
|
|
|
|
|
|
|
$status = 1 if exists $self->{'redirect-to'} and $self->{'redirect-to'} ne ''; |
472
|
|
|
|
|
|
|
return $status; |
473
|
|
|
|
|
|
|
} |
474
|
|
|
|
|
|
|
|
475
|
|
|
|
|
|
|
sub run_presenter { |
476
|
|
|
|
|
|
|
my $self = shift; |
477
|
|
|
|
|
|
|
|
478
|
|
|
|
|
|
|
my $presentation = $self->request->presentation; |
479
|
|
|
|
|
|
|
|
480
|
|
|
|
|
|
|
debug "presenter: " . $presentation->{'type'} |
481
|
|
|
|
|
|
|
. (defined $presentation->{'file'} ? " in " . $presentation->{'file'} : ''); |
482
|
|
|
|
|
|
|
|
483
|
|
|
|
|
|
|
my $presenter = $self->response->presenter; |
484
|
|
|
|
|
|
|
|
485
|
|
|
|
|
|
|
critical "maybe you want to register presenter, because i nothing knows about '$presentation->{type}'" |
486
|
|
|
|
|
|
|
unless defined $presenter; |
487
|
|
|
|
|
|
|
|
488
|
|
|
|
|
|
|
my $data = $self->response->data; |
489
|
|
|
|
|
|
|
|
490
|
|
|
|
|
|
|
my $content; |
491
|
|
|
|
|
|
|
eval { |
492
|
|
|
|
|
|
|
$content = $presenter->process ($self, $data, %$presentation); |
493
|
|
|
|
|
|
|
}; |
494
|
|
|
|
|
|
|
|
495
|
|
|
|
|
|
|
debug $@ if $@; |
496
|
|
|
|
|
|
|
|
497
|
|
|
|
|
|
|
return $content; |
498
|
|
|
|
|
|
|
} |
499
|
|
|
|
|
|
|
|
500
|
|
|
|
|
|
|
1; |