199e2240a7
This reverts commit e8d1fa0056.
SSLPROXY should be handled by using Plack::Middleware::ReverseProxy and
setting the X-Forwarded-Proto http header to "https"
153 lines
3.9 KiB
Perl
153 lines
3.9 KiB
Perl
package WebGUI::Session::Request;
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use strict;
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use parent qw(Plack::Request);
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use WebGUI::Session::Response;
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use HTTP::BrowserDetect;
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=head1 SYNOPSIS
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my $session = WebGUI::Session->open(...);
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my $request = $session->request;
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=head1 DESCRIPTION
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WebGUI's PSGI request utility class. Sub-classes L<Plack::Request>.
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An instance of this object is created automatically when the L<WebGUI::Session>
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is created.
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=head1 METHODS
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=cut
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#-------------------------------------------------------------------
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=head2 browser
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Returns a HTTP::BrowserDetect object for the request.
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=cut
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sub browser {
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my $self = shift;
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return $self->env->{'webgui.browser'} ||= HTTP::BrowserDetect->new($self->user_agent);
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}
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#-------------------------------------------------------------------
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=head2 clientIsSpider ( )
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Returns true is the client/agent is a spider/indexer or some other non-human interface, determined
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by checking the user agent against a list of known spiders.
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=cut
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sub clientIsSpider {
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my $self = shift;
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return 1
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if $self->user_agent eq ''
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|| $self->user_agent =~ /^wre/
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|| $self->browser->robot;
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return 0;
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}
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#-------------------------------------------------------------------
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=head2 callerIsSearchSite ( )
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Returns true if the remote address matches a site which is a known indexer or spider.
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=cut
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sub callerIsSearchSite {
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my $self = shift;
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my $remoteAddress = $self->address;
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return 1 if $remoteAddress =~ /203\.87\.123\.1../ # Blaiz Enterprise Rawgrunt search
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|| $remoteAddress =~ /123\.113\.184\.2../ # Unknown Yahoo Robot
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|| $remoteAddress == '';
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return 0;
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}
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#-------------------------------------------------------------------
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=head2 ifModifiedSince ( epoch [, maxCacheTimeout] )
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Returns 1 if the epoch is greater than the modified date check.
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=head3 epoch
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The date that the requested content was last modified in epoch format.
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=head3 maxCacheTimeout
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A modifier to the epoch, that allows us to set a maximum timeout where content will appear to
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have changed and a new page request will be allowed to be processed.
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=cut
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sub ifModifiedSince {
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my $self = shift;
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my $epoch = shift;
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my $maxCacheTimeout = shift;
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my $modified = $self->header('If-Modified-Since');
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return 1 if ($modified eq "");
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$modified = HTTP::Date::str2time($modified);
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##Implement a step function that increments the epoch time in integer multiples of
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##the maximum cache time. Used to handle the case where layouts containing macros
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##(like assetproxied Navigations) can be periodically updated.
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if ($maxCacheTimeout) {
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my $delta = time() - $epoch;
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$epoch += $delta - ($delta % $maxCacheTimeout);
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}
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return ($epoch > $modified);
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}
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#-------------------------------------------------------------------
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=head2 new_response ()
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Creates a new L<WebGUI::Session::Response> object.
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N.B. A L<WebGUI::Session::Response> object is automatically created when L<WebGUI::Session>
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is instantiated, so in most cases you will not need to call this method.
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See L<WebGUI::Session/response>
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=cut
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sub new_response {
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my $self = shift;
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return WebGUI::Session::Response->new(@_);
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}
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#-------------------------------------------------------------------
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=head2 requestNotViewed ( )
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Returns true is the client/agent is a spider/indexer or some other non-human interface
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=cut
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sub requestNotViewed {
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my $self = shift;
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return $self->clientIsSpider();
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# || $self->callerIsSearchSite(); # this part is currently left out because
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# it has minimal effect and does not manage
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# IPv6 addresses. it may be useful in the
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# future though
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}
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# This is only temporary
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sub TRACE {
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shift->env->{'psgi.errors'}->print(join '', @_, "\n");
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}
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1;
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