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package WebService::Blogger; |
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our $VERSION = '0.23'; |
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84668
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use warnings; |
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use strict; |
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use Moose; |
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965908
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use LWP::UserAgent; |
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85934
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use HTTP::Request::Common; |
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use XML::Simple; |
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18745
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use File::stat; |
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use Data::Dumper; |
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use Encode (); |
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use WebService::Blogger::Blog; |
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1765
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# Authentication credentials. Cannot be changed after object is created. |
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has login_id => ( is => 'ro', isa => 'Str'); |
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has password => ( is => 'ro', isa => 'Str'); |
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# Blogs belonging to the account. |
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has blogs => ( |
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is => 'ro', |
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isa => 'ArrayRef[WebService::Blogger::Blog]', |
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lazy_build => 1, |
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auto_deref => 1, |
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); |
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# LWP:::UserAgent instance for all requests during the session. |
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has ua => ( |
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lazy_build => 1, |
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is => 'ro', |
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); |
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34
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# Speed Moose up. |
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__PACKAGE__->meta->make_immutable; |
36
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37
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38
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sub BUILDARGS { |
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## Loads credentials from credentials file. |
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0
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0
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1
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my $class = shift; |
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my %attrs = @_; |
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43
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return \%attrs if defined $attrs{login_id} && defined $attrs{password}; |
44
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45
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# See if there's a file with login credentials and return if there isn't. |
46
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my $creds_file_name |
47
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= $attrs{creds_file_name} |
48
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|| $ENV{WEBSERVICE_BLOGGER_CONFIG} |
49
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0
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0
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|| "$ENV{HOME}/.www_blogger_rc"; |
50
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51
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0
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0
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return \%attrs unless -s $creds_file_name; |
52
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53
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0
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0
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die "Credentials file \"$creds_file_name\" is accessible by others. " |
54
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. 'Please make it readable by the owner only, for security reasons.' |
55
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if stat($creds_file_name)->mode & 07777 != 0600; |
56
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57
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# Read file contents into a string. |
58
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0
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0
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0
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open my $creds_fh, '<', $creds_file_name |
59
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or die "Unable to read login credentials from $creds_file_name: $!"; |
60
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0
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0
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my $creds_file_contents = join '', <$creds_fh>; |
61
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0
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0
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close $creds_fh; |
62
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63
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# Parse and return available credentials to be set as object attributes. |
64
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0
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0
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my %parsed_creds = $creds_file_contents =~ /^(\S+)\s*=\s*(\S+)/gm; |
65
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$attrs{login_id} = $parsed_creds{username} if !defined $attrs{login_id} |
66
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0
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0
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0
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0
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&& defined $parsed_creds{username}; |
67
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$attrs{password} = $parsed_creds{password} if !defined $attrs{password} |
68
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0
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0
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0
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0
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&& defined $parsed_creds{password}; |
69
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0
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0
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return \%attrs; |
70
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} |
71
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72
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73
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sub BUILD { |
74
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## Authenticates with Blogger. |
75
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0
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0
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0
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0
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my ($self,$creds) = @_; |
76
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77
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# Submit request for authentiaction token. |
78
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my $response = $self->{'ua'}->post('https://accounts.google.com/o/oauth2/auth', |
79
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{ basic_authentication => $self->{'base64'}, |
80
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Content_Type => 'application/x-www-form-urlencoded', |
81
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grant_type => 'client_credentials', |
82
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client_id => $self->{'key'}, |
83
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0
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0
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client_secret => $self->{'secret'}, |
84
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} |
85
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); |
86
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87
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0
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0
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print Dumper($response); |
88
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0
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0
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exit(0); |
89
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90
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#There are 4 grant types defined in the OAuth spec. |
91
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# Authorization code |
92
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# Implicit |
93
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# Resource owner password credentials |
94
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# Client credentials |
95
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96
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97
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98
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99
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# my $response = $self->ua->post('https://www.google.co.uk/accounts/ClientLogin', |
100
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# { |
101
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# Email => $self->login_id, |
102
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# Passwd => $self->password, |
103
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# service => 'blogger', |
104
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# } |
105
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# ); |
106
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107
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# Check success, parsing Google error message, if available. |
108
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0
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0
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0
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unless ($response->is_success) { |
109
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0
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0
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0
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my $error_msg = ($response->content =~ /\bError=(.+)/)[0] || 'Google error message unavailable'; |
110
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0
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0
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die 'HTTP error when trying to authenticate: ' . $response->status_line . " ($error_msg)"; |
111
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} |
112
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113
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# Parse authentication token and set it as default header for user agent object. |
114
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0
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0
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0
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my ($auth_token) = $response->content =~ /\bAuth=(.+)/ |
115
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or die 'Authentication token not found in the response: ' . $response->content; |
116
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0
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0
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$self->ua->default_header(Authorization => "GoogleLogin auth=$auth_token"); |
117
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118
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# Set default content type for all requests. |
119
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0
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0
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$self->ua->default_header(Content_Type => 'application/atom+xml'); |
120
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} |
121
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122
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123
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sub creds_file_name { |
124
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## Class method. Returns name of optional file with login credentials. |
125
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1
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1
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0
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96
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my $self = shift; |
126
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127
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# Use the same name and format as WWW::Blogger::XML::API, for compatibility. |
128
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1
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71
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return "$ENV{HOME}/.www_blogger_rc"; |
129
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} |
130
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131
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132
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sub _build_ua { |
133
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## Populares 'ua' property. |
134
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0
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0
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my $self = shift; |
135
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136
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0
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return LWP::UserAgent->new; |
137
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} |
138
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139
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140
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sub _build_blogs { |
141
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## Populates 'blogs' property with list of instances of WebService::Blogger::Blog. |
142
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0
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0
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my $self = shift; |
143
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144
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# Get list of blogs. |
145
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0
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my $response = $self->http_get('http://www.blogger.com/feeds/default/blogs'); |
146
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0
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my $response_tree = XML::Simple::XMLin($response->content, ForceArray => 1); |
147
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148
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# Populate the accessor with blog objects generated from the list. |
149
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return [ |
150
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map WebService::Blogger::Blog->new( |
151
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source_xml_tree => $_, |
152
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blogger => $self, |
153
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), |
154
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0
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@{ $response_tree->{entry} } |
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0
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155
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]; |
156
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} |
157
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158
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159
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sub http_put { |
160
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## Executes a PUT request to the service. |
161
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0
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0
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0
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my $self = shift; |
162
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0
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my ($url, $content) = @_; |
163
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164
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0
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my $request = HTTP::Request->new(PUT => $url, $self->ua->default_headers, |
165
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Encode::encode_utf8($content)); |
166
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0
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return $self->ua->request($request); |
167
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} |
168
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169
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170
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sub http_get { |
171
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## Executes a GET request to the service. |
172
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0
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0
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0
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my $self = shift; |
173
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0
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my @req_args = @_; |
174
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175
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0
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return $self->ua->get(@req_args); |
176
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} |
177
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178
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179
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sub http_post { |
180
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## Executes a POST request to the service. |
181
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0
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0
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0
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my $self = shift; |
182
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0
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my @args = @_; |
183
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184
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0
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return $self->ua->request(HTTP::Request::Common::POST(@args)); |
185
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} |
186
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187
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188
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1; |
189
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190
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191
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|
__END__ |
192
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193
|
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|
|
=head1 NAME |
194
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|
195
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|
|
WebService::Blogger - (DEPRECATED) Interface to Google's Blogger service |
196
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|
197
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|
|
=cut |
198
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|
199
|
|
|
|
|
|
|
=head1 SYNOPSIS |
200
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|
|
|
|
|
|
|
201
|
|
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|
B<DEPRECATION NOTICE.> This module no longer works and is deprecated. In fact, |
202
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|
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as of this writing (2020-10-21), none of the CPAN modules for Blogger currently |
203
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work. |
204
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205
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This module provides interface to the Blogger service now run by |
206
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|
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|
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|
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Google. It's built in object-oriented fashion with L<Moose>, which makes |
207
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|
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|
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it easy to use and extend. It also utilizes newer style GData API for |
208
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|
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|
better compatibility. You can retrieve list of blogs for an account, |
209
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add, update or delete entries. |
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use WebService::Blogger; |
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my $blogger = WebService::Blogger->new( |
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login_id => 'myemail@gmail.com', |
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password => 'mypassword', |
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); |
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my @blogs = $blogger->blogs; |
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foreach my $blog (@blogs) { |
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print join ', ', $blog->id, $blog->title, $blog->public_url, "\n"; |
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} |
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my $blog = $blogs[1]; |
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my @entries = $blog->entries; |
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my ($entry) = @entries; |
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print $entry->title, "\n", $entry->content; |
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$entry->title('Updated Title'); |
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$entry->content('Updated content'); |
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$entry->categories([ qw/category1 category2/ ]); |
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$entry->save; |
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my $new_entry = WebService::Blogger::Blog->add_entry( |
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title => 'New entry', |
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content => 'New content', |
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blog => $blog, |
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); |
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$new_entry->delete; |
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241
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242
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=head1 METHODS |
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244
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=head2 new |
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246
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my $blogger = WebService::Blogger->new( |
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login_id => 'myemail@gmail.com', |
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password => 'mypassword', |
249
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); |
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251
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Connects to Blogger, authenticates and returns object representing |
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Blogger account. The credentials can be given in named parameters or |
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read from a configuration file which has contents like this: |
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username = someone@gmail.com |
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password = somepassword |
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258
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The file is first searched for as $ENV{WEBSERVICE_BLOGGER_CONFIG} then |
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as "$ENV{HOME}/.www_blogger_rc". On Windows, please use the first format. |
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261
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The file must not be accessible by anyone but the owner. Module will |
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die with an error if it is. Authentication token received will be |
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stored privately and used in all subsequent requests. |
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265
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=cut |
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267
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=head2 blogs |
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269
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Returns list of blogs for the account, as either array or array |
270
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reference, depending on the context. Items are instances of |
271
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L<WebService::Blogger::Blog>. |
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273
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=cut |
274
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275
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=head1 AUTHOR |
276
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277
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Kedar Warriner, C<< <kedar at cpan.org> >> |
278
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279
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=head1 BUGS |
280
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281
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Comments are currently not supported. |
282
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283
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Please report any bugs or feature requests to C<bug-webservice-blogger at rt.cpan.org>, or through |
284
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the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=WebService-Blogger>. I will be notified, and then you'll |
285
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automatically be notified of progress on your bug as I make changes. |
286
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287
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=head1 SUPPORT |
288
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289
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|
You can find documentation for this module with the perldoc command. |
290
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291
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|
|
perldoc WebService::Blogger |
292
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293
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|
You can also look for information at: |
294
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295
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|
|
=over 4 |
296
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297
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|
=item * RT: CPAN's request tracker |
298
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299
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L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=WebService-Blogger> |
300
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301
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|
=item * AnnoCPAN: Annotated CPAN documentation |
302
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303
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L<http://annocpan.org/dist/WebService-Blogger> |
304
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305
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|
|
=item * CPAN Ratings |
306
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307
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|
|
L<http://cpanratings.perl.org/d/WebService-Blogger> |
308
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309
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|
=item * Search CPAN |
310
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311
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|
|
L<http://search.cpan.org/dist/WebService-Blogger/> |
312
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313
|
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|
|
=back |
314
|
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|
|
315
|
|
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|
|
|
|
=head1 ACKNOWLEDGEMENTS |
316
|
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|
|
317
|
|
|
|
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|
|
Many thanks to: |
318
|
|
|
|
|
|
|
- Egor Shipovalov who wrote the original version of this module |
319
|
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|
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|
|
- Everyone involved with CPAN. |
320
|
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|
321
|
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|
|
=head1 LICENSE AND COPYRIGHT |
322
|
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|
323
|
|
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|
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|
|
Copyright 2010 Kedar Warriner. |
324
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325
|
|
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|
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|
|
This program is free software; you can redistribute it and/or modify it |
326
|
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|
|
under the terms of either: the GNU General Public License as published |
327
|
|
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|
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|
|
by the Free Software Foundation; or the Artistic License. |
328
|
|
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329
|
|
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|
|
See http://dev.perl.org/licenses/ for more information. |
330
|
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|
331
|
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|
|
=cut |