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package WWW::Tracking::Data::Plugin::GoogleAnalytics; |
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1040
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use strict; |
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use warnings; |
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our $VERSION = '0.02'; |
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use WWW::Tracking::Data; |
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use URI::Escape 'uri_escape'; |
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use LWP::UserAgent; |
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26519
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our $UTM_GIF_LOCATION = 'http://www.google-analytics.com/__utm.gif'; |
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our $GA_VERSION = '4.4sp'; |
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our @URL_PAIRS = ( |
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'utmhn' => 'hostname', # Host Name, which is a URL-encoded string. |
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'utmp' => 'request_uri', # Page request of the current page. |
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'utmr' => 'referer', # Referral, complete URL. |
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'utmvid' => 'visitor_id', # |
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'utmip' => 'remote_ip', # |
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'utmcs' => 'encoding', # Language encoding for the browser. Some browsers don't set this, in which case it is set to "-" |
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'utmul' => 'browser_language', # Browser language. |
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'utmje' => 'java_version', # Indicates if browser is Java-enabled. 1 is true. |
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'utmsc' => 'screen_color_depth', # Screen color depth |
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'utmsr' => 'screen_resolution', # Screen resolution |
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'utmfl' => 'flash_version', # Flash Version |
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); |
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sub _map2(&@){ |
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my $code = shift; |
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map $code->( shift, shift ), 0 .. $#_/2 |
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} |
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sub _utm_url { |
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my $class = shift; |
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my $tracking_data = shift; |
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my $ga_tracking_data = bless $tracking_data, 'WWW::Tracking::Data::Plugin::GoogleAnalytics::DataFilter'; |
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my $tracker_account = $ga_tracking_data->_tracking->tracker_account; |
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return |
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$UTM_GIF_LOCATION |
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.'?' |
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.'utmwv='.$GA_VERSION |
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.'&utmac='.$tracker_account # Account String. Appears on all requests. |
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.'&utmn='.$class->_uniq_gif_id # Unique ID generated for each GIF request to prevent caching of the GIF image. |
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.'&utmcc=__utma%3D999.'.substr($ga_tracking_data->visitor_id,0,16).'.999.999.999.1%3B' # Cookie values. This request parameter sends all the cookies requested from the page. |
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.join( |
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'', |
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_map2 { |
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my $prop = $_[1]; |
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my $value = $ga_tracking_data->$prop; |
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(defined $value ? '&'.$_[0].'='.uri_escape($ga_tracking_data->$prop) : ()) |
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} |
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@URL_PAIRS |
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) |
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; |
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} |
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sub _uniq_gif_id { |
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return int(rand(0x7fffffff)); |
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} |
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1; |
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package WWW::Tracking::Data::Plugin::GoogleAnalytics::DataFilter; |
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67
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1
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1
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use base 'WWW::Tracking::Data'; |
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2
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1
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211
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sub browser_language { |
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my $self = shift; |
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my $lang = $self->SUPER::browser_language(@_); |
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return unless $lang; |
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$lang =~ s/^( [a-zA-Z\-]{2,5} ) .* $/$1/xms; # return only first language that can be either two letter or "en-GB" format |
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return unless $lang; |
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return $lang; |
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} |
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sub remote_ip { |
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my $self = shift; |
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my $ip = $self->SUPER::remote_ip(@_); |
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return unless $ip; |
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return unless $ip =~ m/^( (?: \d{1,3} [.] ){3} ) \d{1,3} $/xms; # capture only first 3 numbers from ip |
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return $1.'0'; |
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} |
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sub java_version { |
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my $self = shift; |
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my $java_version = $self->SUPER::java_version(@_); |
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return unless defined $java_version; |
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return ($java_version ? 1 : 0); |
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} |
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1; |
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98
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package WWW::Tracking::Data; |
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100
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1
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1
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5
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use Carp::Clan 'croak'; |
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1
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1
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1
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6
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101
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102
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sub as_ga { |
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4
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4
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0
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my $self = shift; |
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105
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4
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return WWW::Tracking::Data::Plugin::GoogleAnalytics->_utm_url($self); |
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} |
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sub make_tracking_request_ga { |
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my $self = shift; |
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13
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my $ua = LWP::UserAgent->new; |
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2291
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$ua->default_header('Accept-Language' => $self->browser_language); |
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$ua->agent($self->user_agent); |
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my $ga_output = $ua->get($self->as_ga); |
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110525
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croak $ga_output->status_line |
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unless $ga_output->is_success; |
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return $self; |
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} |
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1; |
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__END__ |