| 1 | #!/usr/bin/perl -w |
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| 2 | |
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| 3 | # yahoo7portal au_tv guide grabber - runs from "Shepherd" master grabber |
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| 4 | # * grabs data from the yahoo7portal (http://au.tv.yahoo.com/) |
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| 5 | # * this does NOT use any config file - all settings are passed in from shepherd |
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| 6 | |
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| 7 | use strict; |
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| 8 | |
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| 9 | my $progname = "yahoo7web"; |
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| 10 | my $version = "0.08"; |
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| 11 | |
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| 12 | use LWP::UserAgent; |
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| 13 | use XMLTV; |
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| 14 | use POSIX qw(strftime mktime); |
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| 15 | use Getopt::Long; |
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| 16 | use HTML::TreeBuilder; |
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| 17 | use Data::Dumper; |
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| 18 | use Compress::Zlib; |
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| 19 | use Storable; |
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| 20 | |
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| 21 | # |
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| 22 | # global variables and settings |
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| 23 | # |
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| 24 | |
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| 25 | $| = 1; |
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| 26 | my $script_start_time = time; |
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| 27 | my %amp = ( nbsp => ' ', qw{ amp & lt < gt > apos ' quot " } ); |
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| 28 | my %stats; |
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| 29 | my $channels, my $opt_channels, my $gaps; |
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| 30 | my $data_cache; |
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| 31 | my $writer; |
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| 32 | my $ua; |
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| 33 | my $prev_url; |
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| 34 | my $d; |
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| 35 | my $opt; |
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| 36 | |
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| 37 | # |
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| 38 | # parse command line |
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| 39 | # |
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| 40 | |
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| 41 | $opt->{days} = 7; # default |
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| 42 | $opt->{outputfile} = "output.xmltv"; # default |
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| 43 | $opt->{cache_file} = $progname.".storable.cache"; # default |
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| 44 | $opt->{lang} = "en"; |
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| 45 | $opt->{region} = 94; |
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| 46 | |
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| 47 | GetOptions( |
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| 48 | 'log-http' => \$opt->{log_http}, |
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| 49 | 'region=i' => \$opt->{region}, |
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| 50 | 'days=i' => \$opt->{days}, |
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| 51 | 'offset=i' => \$opt->{offset}, |
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| 52 | 'timezone=s' => \$opt->{timezone}, |
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| 53 | 'channels_file=s' => \$opt->{channels_file}, |
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| 54 | 'gaps_file=s' => \$opt->{gaps_file}, |
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| 55 | 'output=s' => \$opt->{outputfile}, |
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| 56 | 'cache-file=s' => \$opt->{cache_file}, |
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| 57 | 'fast' => \$opt->{fast}, |
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| 58 | 'no-cache' => \$opt->{no_cache}, |
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| 59 | 'no-details' => \$opt->{no_details}, |
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| 60 | 'debug+' => \$opt->{debug}, |
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| 61 | 'warper' => \$opt->{warper}, |
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| 62 | 'lang=s' => \$opt->{lang}, |
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| 63 | 'obfuscate' => \$opt->{obfuscate}, |
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| 64 | 'anonsocks=s' => \$opt->{anon_socks}, |
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| 65 | 'help' => \$opt->{help}, |
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| 66 | 'verbose' => \$opt->{help}, |
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| 67 | 'version' => \$opt->{version}, |
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| 68 | 'ready' => \$opt->{version}, |
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| 69 | 'v' => \$opt->{help}); |
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| 70 | |
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| 71 | &help if ($opt->{help}); |
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| 72 | |
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| 73 | if ($opt->{version}) { |
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| 74 | printf "%s %s\n",$progname,$version; |
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| 75 | exit(0); |
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| 76 | } |
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| 77 | |
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| 78 | die "no channel file specified, see --help for instructions\n", if (!$opt->{channels_file}); |
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| 79 | $opt->{days} = 7 if ($opt->{days} > 7); # limit to a max of 7 days |
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| 80 | |
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| 81 | # |
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| 82 | # go go go! |
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| 83 | # |
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| 84 | |
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| 85 | &log(sprintf "going to %sgrab %d days%s of data into %s (%s%s%s%s%s)", |
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| 86 | (defined $opt->{gaps_file} ? "micro-gap " : ""), |
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| 87 | $opt->{days}, |
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| 88 | (defined $opt->{offset} ? " (skipping first $opt->{offset} days)" : ""), |
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| 89 | $opt->{outputfile}, |
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| 90 | (defined $opt->{fast} ? "with haste" : "slowly"), |
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| 91 | (defined $opt->{anon_socks} ? ", via multiple endpoints" : ""), |
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| 92 | (defined $opt->{warper} ? ", anonymously" : ""), |
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| 93 | (defined $opt->{no_details} ? ", without details" : ", with details"), |
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| 94 | (defined $opt->{no_cache} ? ", without caching" : ", with caching")); |
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| 95 | |
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| 96 | # read channels file |
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| 97 | if (-r $opt->{channels_file}) { |
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| 98 | local (@ARGV, $/) = ($opt->{channels_file}); |
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| 99 | no warnings 'all'; eval <>; die "$@" if $@; |
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| 100 | } else { |
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| 101 | die "WARNING: channels file $opt->{channels_file} could not be read\n"; |
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| 102 | } |
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| 103 | |
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| 104 | # if just filling in microgaps, parse gaps |
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| 105 | if (defined $opt->{gaps_file}) { |
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| 106 | if (-r $opt->{gaps_file}) { |
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| 107 | local (@ARGV, $/) = ($opt->{gaps_file}); |
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| 108 | no warnings 'all'; eval <>; die "$@" if $@; |
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| 109 | } else { |
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| 110 | die "WARNING: gaps_file $opt->{gaps_file} could not be read: $!\n"; |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | &read_cache unless (defined $opt->{no_cache}); |
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| 115 | |
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| 116 | &set_ua; |
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| 117 | &setup_socks if (defined $opt->{anon_socks}); |
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| 118 | |
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| 119 | &start_writing_xmltv; |
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| 120 | |
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| 121 | &get_summary_pages; |
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| 122 | &get_detailed_pages; |
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| 123 | |
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| 124 | &write_cache unless (defined $opt->{no_cache}); |
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| 125 | $writer->end(); |
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| 126 | |
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| 127 | &print_stats; |
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| 128 | exit(0); |
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| 129 | |
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| 130 | ############################################################################## |
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| 131 | # help |
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| 132 | |
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| 133 | sub help |
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| 134 | { |
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| 135 | print<<EOF |
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| 136 | $progname $version |
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| 137 | |
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| 138 | options are as follows: |
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| 139 | --help show these help options |
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| 140 | --days=N fetch 'n' days of data (default: $opt->{days}) |
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| 141 | --output=file send xml output to file (default: "$opt->{outputfile}") |
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| 142 | --no-cache don't use a cache to optimize (reduce) number of web queries |
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| 143 | --no-details don't fetch detailed descriptions (default: do) |
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| 144 | --cache-file=file where to store cache (default "$opt->{cache_file}") |
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| 145 | --fast don't run slow - get data as quick as you can - not recommended |
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| 146 | --anonsocks=(ip:port) use SOCKS4A server at (ip):(port) (for Tor: recommended) |
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| 147 | |
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| 148 | --debug increase debug level |
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| 149 | --warper fetch data using WebWarper web anonymizer service |
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| 150 | --obfuscate pretend to be a proxy servicing multiple clients |
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| 151 | --lang=[s] set language of xmltv output data (default $opt->{lang}) |
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| 152 | |
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| 153 | --region=N set region for where to collect data from (default: $opt->{region}) |
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| 154 | --channels_file=file where to get channel data from |
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| 155 | --gaps_file=file micro-fetch gaps only |
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| 156 | |
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| 157 | EOF |
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| 158 | ; |
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| 159 | |
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| 160 | exit(0); |
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| 161 | } |
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| 162 | |
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| 163 | ############################################################################## |
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| 164 | # populate cache |
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| 165 | |
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| 166 | sub read_cache |
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| 167 | { |
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| 168 | # convert old-style Data::Dumper cache to new format |
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| 169 | if (-r "yahoo7web.cache") { |
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| 170 | local (@ARGV, $/) = ("yahoo7web.cache"); |
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| 171 | no warnings 'all'; eval <>; die "$@" if $@; |
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| 172 | |
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| 173 | &write_cache; |
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| 174 | unlink "yahoo7web.cache"; |
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| 175 | } |
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| 176 | |
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| 177 | if (-r $opt->{cache_file}) { |
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| 178 | my $store = Storable::retrieve($opt->{cache_file}); |
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| 179 | $data_cache = $store->{data_cache}; |
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| 180 | } else { |
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| 181 | printf "WARNING: no programme cache $opt->{cache_file} - have to fetch all details\n"; |
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| 182 | |
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| 183 | # try to write to it - if directory doesn't exist this will then cause an error |
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| 184 | &write_cache; |
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| 185 | } |
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| 186 | } |
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| 187 | |
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| 188 | ############################################################################## |
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| 189 | # write out updated cache |
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| 190 | |
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| 191 | sub write_cache |
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| 192 | { |
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| 193 | # cleanup old entries from cache |
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| 194 | for my $cache_key (keys %{$data_cache}) { |
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| 195 | my ($starttime, @rest) = split(/:/,$cache_key); |
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| 196 | if ($starttime < (time-86400)) { |
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| 197 | delete $data_cache->{$cache_key}; |
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| 198 | $stats{expired_from_cache}++; |
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| 199 | } |
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| 200 | } |
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| 201 | |
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| 202 | my $store; |
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| 203 | $store->{data_cache} = $data_cache; |
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| 204 | |
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| 205 | Storable::store($store, $opt->{cache_file}); |
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| 206 | } |
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| 207 | |
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| 208 | ############################################################################## |
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| 209 | # logic to fetch a page via http |
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| 210 | # retries up to $retrycount times to get a page with 10 second pauses inbetween |
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| 211 | |
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| 212 | sub get_url |
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| 213 | { |
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| 214 | my ($url,$retrycount,$referer,$reqtype,$postvars) = @_; |
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| 215 | my $request; |
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| 216 | my $response; |
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| 217 | my $attempts = 0; |
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| 218 | my ($raw, $page, $base); |
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| 219 | |
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| 220 | $reqtype = "GET" if (!defined $reqtype); |
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| 221 | |
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| 222 | $retrycount = 5 if ($retrycount == 0); |
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| 223 | $url =~ s#^http://#http://webwarper.net/ww/# if (defined $opt->{warper}); |
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| 224 | |
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| 225 | if ($reqtype eq "GET") { |
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| 226 | $request = HTTP::Request->new(GET => $url); |
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| 227 | } elsif ($reqtype eq "POST") { |
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| 228 | $request = HTTP::Request->new(POST => $url); |
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| 229 | $request->add_content($postvars); |
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| 230 | } |
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| 231 | |
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| 232 | if (defined $referer) { |
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| 233 | $request->header('Referer' => $referer); |
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| 234 | printf "DEBUG: explicitly set Referer to '%s'\n", $referer if (defined $opt->{debug}); |
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| 235 | } else { |
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| 236 | if (defined $prev_url) { |
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| 237 | $request->header('Referer' => $prev_url); |
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| 238 | printf "DEBUG: set Referer to '%s'\n", $prev_url if (defined $opt->{debug}); |
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| 239 | } |
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| 240 | } |
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| 241 | $prev_url = $url; |
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| 242 | |
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| 243 | $request->header('Accept-Encoding' => 'gzip'); |
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| 244 | |
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| 245 | if ($opt->{obfuscate}) { |
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| 246 | my $randomaddr = sprintf "203.%d.%d.%d",rand(255),rand(255),(rand(254)+1); |
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| 247 | $request->header('Via' => '1.0 proxy:81 (Squid/2.3.STABLE3)'); |
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| 248 | $request->header('X-Forwarded-For' => $randomaddr); |
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| 249 | } |
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| 250 | |
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| 251 | my $status; |
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| 252 | for (1..$retrycount) { |
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| 253 | $response = $ua->request($request); |
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| 254 | |
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| 255 | if ((defined $opt->{log_http}) && (open(F,">>http_log.txt"))) { |
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| 256 | printf F "\n----------------------------------------------------\n"; |
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| 257 | printf F "request: %s %s %s\n",$reqtype,$url,(defined $postvars ? $postvars : ""); |
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| 258 | printf F "referer: %s\n",$request->header('Referer'); |
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| 259 | printf F "response: %s\n",$response->status_line; |
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| 260 | print F $response->content; |
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| 261 | close F; |
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| 262 | } |
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| 263 | |
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| 264 | if ($response->is_success) { |
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| 265 | if ($response->content =~ /we are unable to process your request/) { |
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| 266 | $status = "fail: 999: Service unavailable"; # CPAN's LWP lied to us |
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| 267 | } else { |
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| 268 | $status = "good"; |
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| 269 | last; |
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| 270 | } |
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| 271 | } else { |
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| 272 | $status = "fail: ".$response->status_line; |
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| 273 | } |
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| 274 | |
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| 275 | $stats{http_failed_requests}++; |
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| 276 | $attempts++; |
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| 277 | |
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| 278 | my $sleep_for = 30; |
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| 279 | $sleep_for = 10 if (defined $opt->{anon_socks}); |
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| 280 | |
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| 281 | &log("attempt $attempts of $retrycount failed to fetch $url, sleeping for $sleep_for secs: $status"); |
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| 282 | |
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| 283 | $stats{slept_for} += $sleep_for; |
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| 284 | sleep $sleep_for; |
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| 285 | } |
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| 286 | if ($status !~ /^good/) { |
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| 287 | &log("aborting after $attempts attempts to fetch url $url"); |
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| 288 | return undef; |
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| 289 | } |
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| 290 | |
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| 291 | $prev_url = $response->base; |
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| 292 | $prev_url =~ s#^http://webwarper.net/ww/#http://# if (defined $opt->{warper}); |
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| 293 | |
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| 294 | $stats{bytes_fetched} += do {use bytes; length($response->content)}; |
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| 295 | $stats{http_successful_requests}++; |
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| 296 | |
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| 297 | # if ((!$opt->{fast}) || (!defined $opt->{anon_socks})) { |
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| 298 | # my $sleeptimer = int(rand(6)); |
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| 299 | # $stats{slept_for} += $sleeptimer; |
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| 300 | # sleep $sleeptimer; |
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| 301 | # } |
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| 302 | |
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| 303 | if ($response->header('Content-Encoding') && |
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| 304 | $response->header('Content-Encoding') eq 'gzip') { |
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| 305 | $stats{compressed_pages} += do {use bytes; length($response->content)}; |
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| 306 | $response->content(Compress::Zlib::memGunzip($response->content)); |
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| 307 | } |
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| 308 | return $response->content; |
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| 309 | } |
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| 310 | |
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| 311 | ############################################################################## |
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| 312 | |
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| 313 | sub log |
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| 314 | { |
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| 315 | my ($entry) = @_; |
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| 316 | printf "%s\n",$entry; |
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| 317 | } |
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| 318 | |
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| 319 | ############################################################################## |
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| 320 | |
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| 321 | sub print_stats |
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| 322 | { |
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| 323 | printf "STATS: %s v%s completed in %d seconds",$progname, $version, time-$script_start_time; |
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| 324 | foreach my $key (sort keys %stats) { |
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| 325 | printf ", %d %s",$stats{$key},$key; |
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| 326 | } |
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| 327 | printf "\n"; |
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| 328 | } |
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| 329 | |
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| 330 | ############################################################################## |
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| 331 | # descend a structure and clean up various things, including stripping |
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| 332 | # leading/trailing spaces in strings, translations of html stuff etc |
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| 333 | # -- taken & modified from Michael 'Immir' Smith's excellent tv_grab_au |
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| 334 | |
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| 335 | sub cleanup { |
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| 336 | my $x = shift; |
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| 337 | if (ref $x eq "REF") { cleanup($_) } |
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| 338 | elsif (ref $x eq "HASH") { cleanup(\$_) for values %$x } |
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| 339 | elsif (ref $x eq "ARRAY") { cleanup(\$_) for @$x } |
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| 340 | elsif (defined $$x) { |
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| 341 | $$x =~ s/&(#(\d+)|(.*?));/ $2 ? chr($2) : $amp{$3}||' ' /eg; |
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| 342 | $$x =~ s/[^\x20-\x7f]/ /g; |
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| 343 | $$x =~ s/(^\s+|\s+$)//g; |
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| 344 | } |
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| 345 | } |
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| 346 | |
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| 347 | ############################################################################## |
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| 348 | |
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| 349 | sub start_writing_xmltv |
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| 350 | { |
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| 351 | my %writer_args = ( encoding => 'ISO-8859-1' ); |
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| 352 | if ($opt->{outputfile}) { |
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| 353 | my $fh = new IO::File(">$opt->{outputfile}") || die "can't open $opt->{outputfile}: $!"; |
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| 354 | $writer_args{OUTPUT} = $fh; |
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| 355 | } |
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| 356 | |
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| 357 | $writer = new XMLTV::Writer(%writer_args); |
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| 358 | |
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| 359 | $writer->start |
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| 360 | ( { 'source-info-name' => "$progname $version", |
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| 361 | 'generator-info-name' => "$progname $version"} ); |
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| 362 | |
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| 363 | for my $channel (sort keys %{$channels}) { |
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| 364 | $writer->write_channel( { |
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| 365 | 'display-name' => [[ $channel, $opt->{lang} ]], |
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| 366 | 'id' => $channels->{$channel} |
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| 367 | } ); |
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| 368 | } |
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| 369 | } |
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| 370 | |
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| 371 | ############################################################################## |
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| 372 | |
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| 373 | sub set_ua |
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| 374 | { |
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| 375 | my @agent_list = ( |
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| 376 | 'Mozilla/4.0 (compatible; MSIE 5.5; Windows 98)', |
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| 377 | 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)', |
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| 378 | 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; FunWebProducts)', |
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| 379 | 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)', |
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| 380 | 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)', |
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| 381 | 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Q312466)', |
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| 382 | 'Mozilla/4.0 (compatible; MSIE 6.0; Windows XP)', |
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| 383 | 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-us) AppleWebKit/85.8.5 (KHTML, like Gecko) Safari/85.8.1', |
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| 384 | 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.4) Gecko/20060508 Firefox/1.5.0.4', |
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| 385 | 'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.7.6) Gecko/20050512 Firefox', |
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| 386 | 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.8) Gecko/20061025 Firefox/1.5.0.8', |
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| 387 | 'Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.8.1) Gecko/20061010 Firefox/2.0', |
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| 388 | 'Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp)', |
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| 389 | 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-us) AppleWebKit/412 (KHTML, like Gecko) Safari/412', |
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| 390 | 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-us) AppleWebKit/418.9 (KHTML, like Gecko) Safari/419.3', |
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| 391 | 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; fr) AppleWebKit/418.9 (KHTML, like Gecko) Safari/419.3', |
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| 392 | 'Opera/9.00 (Windows NT 5.1; U; en)'); |
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| 393 | |
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| 394 | $ua = undef; |
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| 395 | $ua = LWP::UserAgent->new('timeout' => 30, 'agent' => $agent_list[(int(rand($#agent_list+1)))] ); |
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| 396 | $ua->env_proxy; |
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| 397 | $ua->cookie_jar({}); |
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| 398 | $prev_url = undef; # reset referer |
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| 399 | } |
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| 400 | |
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| 401 | ############################################################################## |
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| 402 | |
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| 403 | sub translate_category |
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| 404 | { |
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| 405 | my $genre = shift; |
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| 406 | my %translation = ( |
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| 407 | 'Sport' => 'sports', |
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| 408 | 'Soap Opera' => 'Soap', |
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| 409 | 'Science and Technology' => 'Science/Nature', |
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| 410 | 'Real Life' => 'Reality', |
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| 411 | 'Cartoon' => 'Animation', |
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| 412 | 'Family' => 'Children', |
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| 413 | 'Murder' => 'Crime' ); |
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| 414 | |
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| 415 | return $translation{$genre} if defined $translation{$genre}; |
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| 416 | return $genre; |
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| 417 | } |
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| 418 | |
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| 419 | ############################################################################## |
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| 420 | |
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| 421 | sub build_channel_quirks_map |
|---|
| 422 | { |
|---|
| 423 | # set up channel name exceptions list |
|---|
| 424 | my %chan_map; |
|---|
| 425 | if ($opt->{region} == 71) { |
|---|
| 426 | # NSW: Southern NSW |
|---|
| 427 | push (@{($chan_map{"Prime"})}, |
|---|
| 428 | "Prime (Canberra/Wollongong/South Coast)", |
|---|
| 429 | "Prime (Wagga Wagga/Orange)"); |
|---|
| 430 | push (@{($chan_map{"TEN"})}, |
|---|
| 431 | "TEN (NSW: Southern NSW)", |
|---|
| 432 | "TEN (Mildura Digital)"); |
|---|
| 433 | } elsif ($opt->{region} == 79) { |
|---|
| 434 | # QLD: Regional |
|---|
| 435 | push (@{($chan_map{"Seven"})}, |
|---|
| 436 | "Seven (Cairns/Townsville/Mackay/Wide Bay/Sunshine Coast)", |
|---|
| 437 | "Seven (Rockhampton/Toowoomba)"); |
|---|
| 438 | push (@{($chan_map{"WIN"})}, |
|---|
| 439 | "WIN (QLD: Regional)", |
|---|
| 440 | "WIN (Mackay/Wide Bay)"); |
|---|
| 441 | } elsif ($opt->{region} == 90) { |
|---|
| 442 | # VIC: Eastern Victoria |
|---|
| 443 | push (@{($chan_map{"Prime"})}, |
|---|
| 444 | "Prime (Regional)", |
|---|
| 445 | "Prime (Albury)"); |
|---|
| 446 | } |
|---|
| 447 | |
|---|
| 448 | return %chan_map; |
|---|
| 449 | } |
|---|
| 450 | |
|---|
| 451 | ############################################################################## |
|---|
| 452 | |
|---|
| 453 | sub get_summary_pages |
|---|
| 454 | { |
|---|
| 455 | my $starttime = time; |
|---|
| 456 | my $day_num = 0; |
|---|
| 457 | my $skip_days = 0; |
|---|
| 458 | $stats{programmes} = 0; |
|---|
| 459 | |
|---|
| 460 | my @timeattr = localtime($starttime); # 0=sec,1=min,2=hour,3=day,4=month,5=year,6=wday,7=yday,8=isdst |
|---|
| 461 | $timeattr[0] = 0; # zero sec |
|---|
| 462 | $timeattr[1] = 0; # zero min |
|---|
| 463 | $timeattr[2] = 0; # zero hour (midnight) |
|---|
| 464 | my $starttime_midnight = mktime(@timeattr); |
|---|
| 465 | |
|---|
| 466 | $skip_days = $opt->{offset} if (defined $opt->{offset}); |
|---|
| 467 | while ($day_num < $opt->{days}) { |
|---|
| 468 | my $day_start = $starttime_midnight + (60*60*24 * $day_num); |
|---|
| 469 | $day_num++; |
|---|
| 470 | |
|---|
| 471 | # skip if --offset applies against this day |
|---|
| 472 | if ($skip_days > 0) { |
|---|
| 473 | $skip_days--; |
|---|
| 474 | next; |
|---|
| 475 | } |
|---|
| 476 | |
|---|
| 477 | # within each day, fetch in groups of 3 hours |
|---|
| 478 | for (my $hr = 0; $hr < 23; $hr += 3) { |
|---|
| 479 | my $currtime = $day_start + ($hr * 60 * 60); |
|---|
| 480 | next if (($currtime + (3 * 60 * 60)) < $starttime); # no point fetching the past |
|---|
| 481 | |
|---|
| 482 | my $url = sprintf "http://au.tv.yahoo.com/tv-guide/?hour=%s&min=%s&date=%s&mon=%s&year=%s&tvrg=%s&next=%s", |
|---|
| 483 | POSIX::strftime("%H",localtime($starttime)), |
|---|
| 484 | POSIX::strftime("%M",localtime($starttime)), |
|---|
| 485 | POSIX::strftime("%d",localtime($starttime)), |
|---|
| 486 | POSIX::strftime("%m",localtime($starttime)), |
|---|
| 487 | POSIX::strftime("%Y",localtime($starttime)), |
|---|
| 488 | $opt->{region}, $currtime; |
|---|
| 489 | |
|---|
| 490 | &log("fetching day $day_num summary page hour $hr ($url)"); |
|---|
| 491 | &parse_summary_page($url, $day_num, $day_start); |
|---|
| 492 | |
|---|
| 493 | my $wait_for = 2; |
|---|
| 494 | $stats{slept_for} += $wait_for; |
|---|
| 495 | sleep($wait_for); |
|---|
| 496 | } |
|---|
| 497 | |
|---|
| 498 | my $wait_for = 5 + int(rand(5)); |
|---|
| 499 | $stats{slept_for} += $wait_for; |
|---|
| 500 | sleep($wait_for); |
|---|
| 501 | } |
|---|
| 502 | } |
|---|
| 503 | |
|---|
| 504 | ############################################################################## |
|---|
| 505 | |
|---|
| 506 | sub parse_summary_page |
|---|
| 507 | { |
|---|
| 508 | my ($url, $day_num, $day_start) = @_; |
|---|
| 509 | my %chan_map = &build_channel_quirks_map; |
|---|
| 510 | |
|---|
| 511 | my $data = &get_url($url,5); |
|---|
| 512 | return if (!$data); |
|---|
| 513 | |
|---|
| 514 | my $tree = HTML::TreeBuilder->new_from_content($data); |
|---|
| 515 | if (!$tree) { |
|---|
| 516 | &log("url '$url' doesn't seem to contain any valid HTML: has the format changed?"); |
|---|
| 517 | return; |
|---|
| 518 | } |
|---|
| 519 | |
|---|
| 520 | my $tree_table = $tree->look_down('_tag' => 'table', 'id' => 'listing-table'); |
|---|
| 521 | if (!$tree_table) { |
|---|
| 522 | &log("url '$url' doesn't seem to contain a TV table. Has the format changed?"); |
|---|
| 523 | return; |
|---|
| 524 | } |
|---|
| 525 | |
|---|
| 526 | my $progs_in_table = 0; |
|---|
| 527 | |
|---|
| 528 | for my $tree_tr ($tree_table->look_down('_tag' => 'tr', 'class' => 'lt-listing-row')) { |
|---|
| 529 | # get channel |
|---|
| 530 | my $this_chan = ""; |
|---|
| 531 | if (my $channel_td = $tree_tr->look_down('_tag' => 'td', 'class' => 'lt-channel')) { |
|---|
| 532 | $this_chan = $channel_td->as_text(); |
|---|
| 533 | } |
|---|
| 534 | |
|---|
| 535 | if ($this_chan eq "") { |
|---|
| 536 | &log("ignoring blank channel in $url") if (defined $opt->{debug}); |
|---|
| 537 | $stats{blank_channels_ignored}++; |
|---|
| 538 | next; |
|---|
| 539 | } |
|---|
| 540 | |
|---|
| 541 | if (defined $chan_map{$this_chan}) { |
|---|
| 542 | my $new_channame = splice(@{($chan_map{$this_chan})},0,1); |
|---|
| 543 | &log("substituted channel name '$new_channame' for '$this_chan'") if (defined $opt->{debug}); |
|---|
| 544 | $stats{substituted_channels}++; |
|---|
| 545 | $this_chan = $new_channame; |
|---|
| 546 | } |
|---|
| 547 | |
|---|
| 548 | if (!defined $channels->{$this_chan}) { |
|---|
| 549 | &log("skipping unlisted channel '$this_chan'") if (!defined $d->{skipped_channels}->{$this_chan}); |
|---|
| 550 | $d->{skipped_channels}->{$this_chan} = 1 if (!defined $opt->{debug}); |
|---|
| 551 | $stats{skipped_channels}++; |
|---|
| 552 | next; |
|---|
| 553 | } |
|---|
| 554 | |
|---|
| 555 | for my $tree_td ($tree_tr->look_down('_tag' => 'td', 'class' => 'lt-listing')) { |
|---|
| 556 | if (my $listing_div = $tree_td->look_down('_tag' => 'div')) { |
|---|
| 557 | next if ($listing_div->attr('class') !~ /^lt-listing-wrapper/i); |
|---|
| 558 | |
|---|
| 559 | my @listing_links = $listing_div->look_down('_tag' => 'a', 'class' => 'listing-link'); |
|---|
| 560 | my @listing_data = $listing_div->look_down('_tag' => 'strong'); |
|---|
| 561 | |
|---|
| 562 | for (my $i=0; $i <= $#listing_links; $i++) { |
|---|
| 563 | my $prog; |
|---|
| 564 | $prog->{channel} = $channels->{$this_chan}; |
|---|
| 565 | |
|---|
| 566 | if ($listing_links[$i]->attr('rel') =~ /^(\d+)-(\d+)-(\d+)$/) { |
|---|
| 567 | $prog->{event_id} = $3; |
|---|
| 568 | } |
|---|
| 569 | $prog->{title} = [[ $listing_links[$i]->as_text(), $opt->{lang} ]]; |
|---|
| 570 | |
|---|
| 571 | my $listing_text = $listing_data[$i]->as_text(); |
|---|
| 572 | if ($listing_text =~ /^(.*)\((\d+)\)(\d+):(\d+)(.)m - (\d+):(\d+)(.)m$/i) { |
|---|
| 573 | my ($rating_text, $prog_length, $start_sec, $stop_sec) = ($1, $2, parse_time($3, $4, $5), parse_time($6, $7, $8)); |
|---|
| 574 | |
|---|
| 575 | $prog->{rating} = [[ $rating_text, 'ABA', undef ]] if ((defined $rating_text) && ($rating_text ne "")); |
|---|
| 576 | $prog->{length} = ($prog_length * 60) if ((defined $prog_length) && ($prog_length > 0)); |
|---|
| 577 | $prog->{starttime} = $day_start + $start_sec; |
|---|
| 578 | $prog->{stoptime} = $day_start + $stop_sec; |
|---|
| 579 | } else { |
|---|
| 580 | &log("malformed listing_text '$listing_text' for prog '".$listing_links[$i]->as_text()."'; ignored."); |
|---|
| 581 | $stats{malformed_listing}++; |
|---|
| 582 | next; |
|---|
| 583 | } |
|---|
| 584 | |
|---|
| 585 | $progs_in_table++; |
|---|
| 586 | |
|---|
| 587 | # if we are fetching microgaps, skip if this isn't |
|---|
| 588 | # in a micro-gap. |
|---|
| 589 | if (defined $opt->{gaps_file}) { |
|---|
| 590 | my $found_gap_match = 0; |
|---|
| 591 | if (defined $gaps->{$prog->{channel}}) { |
|---|
| 592 | foreach my $g (@{($gaps->{$prog->{channel}})}) { |
|---|
| 593 | my ($s, $e) = split(/-/,$g); |
|---|
| 594 | $found_gap_match = 1 if |
|---|
| 595 | ((($s >= $prog->{starttime}) && ($s <= $prog->{stoptime})) || |
|---|
| 596 | (($e >= $prog->{starttime}) && ($e <= $prog->{stoptime})) || |
|---|
| 597 | (($s <= $prog->{starttime}) && ($e >= $prog->{stoptime}))); |
|---|
| 598 | } |
|---|
| 599 | } |
|---|
| 600 | if (!$found_gap_match) { |
|---|
| 601 | $stats{gaps_skipped}++; |
|---|
| 602 | next; |
|---|
| 603 | } else { |
|---|
| 604 | $stats{gaps_included}++; |
|---|
| 605 | } |
|---|
| 606 | } |
|---|
| 607 | |
|---|
| 608 | # include programme |
|---|
| 609 | &log("found prog: '".$prog->{title}->[0]->[0]."', channel ".$prog->{channel}. |
|---|
| 610 | " start ".$prog->{starttime}." stop ".$prog->{stoptime}) if (defined $opt->{debug}); |
|---|
| 611 | |
|---|
| 612 | my $cache_key = sprintf "%d:%s:%s", $prog->{starttime}, $prog->{channel}, $prog->{title}->[0]->[0]; |
|---|
| 613 | if (!defined $d->{progs}->{$cache_key}) { |
|---|
| 614 | $d->{progs}->{$cache_key} = $prog; |
|---|
| 615 | $stats{programmes}++; |
|---|
| 616 | } |
|---|
| 617 | } |
|---|
| 618 | } |
|---|
| 619 | } |
|---|
| 620 | } |
|---|
| 621 | |
|---|
| 622 | &log("WARNING: Data may be bad. Only $progs_in_table programmes seen in $url") if ($progs_in_table < 5); |
|---|
| 623 | } |
|---|
| 624 | |
|---|
| 625 | ############################################################################## |
|---|
| 626 | # loop through our progs, fetching details where we don't have a pre-cached |
|---|
| 627 | # entry for them. |
|---|
| 628 | # write out XMLTV |
|---|
| 629 | |
|---|
| 630 | sub get_detailed_pages |
|---|
| 631 | { |
|---|
| 632 | &log("fetching details for up to ".$stats{programmes}." programmes ...") if (!defined $opt->{no_details}); |
|---|
| 633 | |
|---|
| 634 | my $prog_count = 0; |
|---|
| 635 | my $added_to_cache = 0; |
|---|
| 636 | $stats{used_existing_cache_entry} = 0; |
|---|
| 637 | $stats{added_to_cache} = 0; |
|---|
| 638 | |
|---|
| 639 | foreach my $cache_key (sort keys %{($d->{progs})}) { |
|---|
| 640 | my $prog = $d->{progs}->{$cache_key}; |
|---|
| 641 | $prog_count++; |
|---|
| 642 | |
|---|
| 643 | if ((!defined $data_cache->{$cache_key}) && |
|---|
| 644 | (!defined $opt->{no_details}) && |
|---|
| 645 | (defined $prog->{event_id}) && |
|---|
| 646 | ($prog->{title}->[0]->[0] ne "Station Close")) { |
|---|
| 647 | &fetch_one_prog($cache_key, $prog->{event_id}); |
|---|
| 648 | &write_cache if ((($stats{added_to_cache} % 15) == 0) && (!defined $opt->{no_cache})); |
|---|
| 649 | } elsif (!defined $opt->{no_details}) { |
|---|
| 650 | $stats{used_existing_cache_entry}++; |
|---|
| 651 | } |
|---|
| 652 | |
|---|
| 653 | if ((($prog_count % 25) == 0) && (!defined $opt->{no_details})) { |
|---|
| 654 | &log(" ... at ".$prog_count." of ".$stats{programmes}." programmes (used ".$stats{used_existing_cache_entry}." from cache)"); |
|---|
| 655 | } |
|---|
| 656 | |
|---|
| 657 | # if we got additional details from the cache, add them now |
|---|
| 658 | if (defined $data_cache->{$cache_key}) { |
|---|
| 659 | foreach my $key (keys %{($data_cache->{$cache_key})}) { |
|---|
| 660 | $prog->{$key} = $data_cache->{$cache_key}->{$key}; |
|---|
| 661 | } |
|---|
| 662 | } |
|---|
| 663 | |
|---|
| 664 | # convert epoch starttime into XMLTV starttime |
|---|
| 665 | $prog->{start} = POSIX::strftime("%Y%m%d%H%M", localtime($prog->{starttime})); |
|---|
| 666 | delete $prog->{starttime}; |
|---|
| 667 | |
|---|
| 668 | # convert epoch stoptime into XMLTV stoptime |
|---|
| 669 | $prog->{stop} = POSIX::strftime("%Y%m%d%H%M", localtime($prog->{stoptime})); |
|---|
| 670 | delete $prog->{stoptime}; |
|---|
| 671 | |
|---|
| 672 | delete $prog->{event_id}; |
|---|
| 673 | &cleanup($prog); |
|---|
| 674 | |
|---|
| 675 | printf "DEBUG: programme xmltv: ".Dumper($prog) if ((defined $opt->{debug}) && ($opt->{debug} > 1)); |
|---|
| 676 | $writer->write_programme($prog); |
|---|
| 677 | } |
|---|
| 678 | } |
|---|
| 679 | |
|---|
| 680 | ############################################################################## |
|---|
| 681 | |
|---|
| 682 | sub fetch_one_prog |
|---|
| 683 | { |
|---|
| 684 | my ($cache_key, $event_id) = @_; |
|---|
| 685 | &log("fetching detail page for $cache_key with event_id $event_id") if (defined $opt->{debug}); |
|---|
| 686 | |
|---|
| 687 | my $url = "http://au.tv.yahoo.com/tv-guide/broker.html?event_id=".$event_id; |
|---|
| 688 | my $data = &get_url($url,5); |
|---|
| 689 | |
|---|
| 690 | if ((!$data) || ($data !~ /^\{.*\}$/)) { |
|---|
| 691 | $stats{bad_details_page}++; |
|---|
| 692 | return; |
|---|
| 693 | } |
|---|
| 694 | |
|---|
| 695 | $stats{added_to_cache}++; |
|---|
| 696 | |
|---|
| 697 | if (($stats{added_to_cache} % 35) == 0) { |
|---|
| 698 | my $wait_for = 12 + int(rand(5)); |
|---|
| 699 | $stats{slept_for} += $wait_for; |
|---|
| 700 | sleep $wait_for; |
|---|
| 701 | } |
|---|
| 702 | |
|---|
| 703 | my @genre; |
|---|
| 704 | |
|---|
| 705 | $data =~ s/(^\{|\}$)//g; # strip leading/trailing { and } |
|---|
| 706 | foreach my $field_item (split(/,"/,$data)) { |
|---|
| 707 | if ($field_item =~ /^([A-Za-z0-9\_\"]+):(.*)/) { |
|---|
| 708 | my ($f, $v) = ($1, $2); |
|---|
| 709 | $f =~ s/(^\"|\"$)//g; # strip leading/trailing quotes from field if present |
|---|
| 710 | $v =~ s/(^\"|\"$)//g; # strip leading/trailing quotes from value if present |
|---|
| 711 | next if ($v eq ""); |
|---|
| 712 | |
|---|
| 713 | if ($f eq "title") { |
|---|
| 714 | ; # nothing |
|---|
| 715 | } elsif ($f eq "subtitle") { |
|---|
| 716 | $data_cache->{$cache_key}->{'sub-title'} = [[ $v, $opt->{lang} ]]; |
|---|
| 717 | } elsif ($f eq "description") { |
|---|
| 718 | $data_cache->{$cache_key}->{desc} = [[ $v, $opt->{lang} ]]; |
|---|
| 719 | } elsif ($f eq "genre") { |
|---|
| 720 | push(@genre, translate_category($v)); |
|---|
| 721 | } elsif ($f eq "captions") { |
|---|
| 722 | $data_cache->{$cache_key}->{subtitles} = [ { 'type' => 'teletext' } ] if ($v eq "true"); |
|---|
| 723 | } elsif ($f eq "start_date") { |
|---|
| 724 | ; # nothing |
|---|
| 725 | } elsif ($f eq "end_date") { |
|---|
| 726 | ; # nothing |
|---|
| 727 | } elsif ($f eq "rating") { |
|---|
| 728 | ; # nothing |
|---|
| 729 | } elsif ($f eq "channel") { |
|---|
| 730 | ; # nothing |
|---|
| 731 | } elsif ($f eq "hotpick") { |
|---|
| 732 | ; # nothing |
|---|
| 733 | } elsif ($f eq "venue_url") { |
|---|
| 734 | ; # nothing |
|---|
| 735 | } elsif ($f eq "url") { |
|---|
| 736 | ; # nothing |
|---|
| 737 | } elsif ($f eq "alt_url") { |
|---|
| 738 | ; # nothing |
|---|
| 739 | } elsif ($f eq "alt_text") { |
|---|
| 740 | ; # nothing |
|---|
| 741 | } elsif ($f eq "img") { |
|---|
| 742 | ; # nothing |
|---|
| 743 | } else { |
|---|
| 744 | &log("unknown field '$f' in $url") if (!defined $d->{unknown_fields}->{$f}); |
|---|
| 745 | $d->{unknown_fields}->{$f} = 1; |
|---|
| 746 | } |
|---|
| 747 | |
|---|
| 748 | $data_cache->{$cache_key}->{category} = [[ @genre ]] if ($#genre != -1); |
|---|
| 749 | |
|---|
| 750 | } else { |
|---|
| 751 | &log("unknown field format '$field_item' in details. Has the format changed?"); |
|---|
| 752 | $stats{unknown_details_field_format}++; |
|---|
| 753 | } |
|---|
| 754 | } |
|---|
| 755 | |
|---|
| 756 | printf "DEBUG: cached entries for '$cache_key': ".Dumper($data_cache->{$cache_key}) |
|---|
| 757 | if (defined $opt->{debug}); |
|---|
| 758 | } |
|---|
| 759 | |
|---|
| 760 | ############################################################################## |
|---|
| 761 | |
|---|
| 762 | sub setup_socks |
|---|
| 763 | { |
|---|
| 764 | use LWP::Protocol::http; |
|---|
| 765 | my $orig_new_socket = \&LWP::Protocol::http::_new_socket; |
|---|
| 766 | |
|---|
| 767 | # override LWP::Protocol::http's _new_socket method with our own |
|---|
| 768 | local($^W) = 0; |
|---|
| 769 | *LWP::Protocol::http::_new_socket = \&socks_new_socket; |
|---|
| 770 | |
|---|
| 771 | # test that it works |
|---|
| 772 | &log("configured to use Tor, testing that it works by connecting to www.google.com ..."); |
|---|
| 773 | my $data = &get_url("http://www.google.com/",10); |
|---|
| 774 | if (($data) && ($data =~ /Google/i)) { |
|---|
| 775 | &log("success. Tor appears to be working!"); |
|---|
| 776 | return; |
|---|
| 777 | } |
|---|
| 778 | |
|---|
| 779 | &log("ERROR: Could not connect to www.google.com via Tor, disabling Tor."); |
|---|
| 780 | &log(" DATA FETCHING WILL BE VERY SLOW."); |
|---|
| 781 | &log(" DISABLING DETAILS-FETCHING BECAUSE OF THIS - SIGNIFICANTLY LOWER DATA QUALITY!!"); |
|---|
| 782 | |
|---|
| 783 | $opt->{no_details} = 1; |
|---|
| 784 | delete $opt->{anon_socks}; |
|---|
| 785 | $stats{fallback_to_non_tor}++; |
|---|
| 786 | |
|---|
| 787 | *LWP::Protocol::http::_new_socket = $orig_new_socket; |
|---|
| 788 | } |
|---|
| 789 | |
|---|
| 790 | ############################################################################## |
|---|
| 791 | # our own SOCKS4Aified version of LWP::Protocol::http::_new_socket |
|---|
| 792 | |
|---|
| 793 | sub socks_new_socket |
|---|
| 794 | { |
|---|
| 795 | my($self, $host, $port, $timeout) = @_; |
|---|
| 796 | |
|---|
| 797 | my ($socks_ip,$socks_port) = split(/:/,$opt->{anon_socks}); |
|---|
| 798 | $socks_ip = "127.0.0.1" if (!defined $socks_ip); |
|---|
| 799 | $socks_port = "9050" if (!defined $socks_port); |
|---|
| 800 | |
|---|
| 801 | local($^W) = 0; # IO::Socket::INET can be noisy |
|---|
| 802 | my $sock = $self->socket_class->new( |
|---|
| 803 | PeerAddr => $socks_ip, |
|---|
| 804 | PeerPort => $socks_port, |
|---|
| 805 | Proto => 'tcp'); |
|---|
| 806 | |
|---|
| 807 | unless ($sock) { |
|---|
| 808 | # IO::Socket::INET leaves additional error messages in $@ |
|---|
| 809 | $@ =~ s/^.*?: //; |
|---|
| 810 | &log("Can't connect to $host:$port ($@)"); |
|---|
| 811 | return undef; |
|---|
| 812 | } |
|---|
| 813 | |
|---|
| 814 | # perl 5.005's IO::Socket does not have the blocking method. |
|---|
| 815 | eval { $sock->blocking(0); }; |
|---|
| 816 | |
|---|
| 817 | # establish connectivity with socks server - SOCKS4A protocol |
|---|
| 818 | print { $sock } pack("CCnN", 0x04, 0x01, $port, 1) . |
|---|
| 819 | (pack 'x') . |
|---|
| 820 | $host . (pack 'x'); |
|---|
| 821 | |
|---|
| 822 | my $received = ""; |
|---|
| 823 | my $timeout_time = time + $timeout; |
|---|
| 824 | while ($sock->sysread($received, 8) && (length($received) < 8) ) { |
|---|
| 825 | select(undef, undef, undef, 0.25); |
|---|
| 826 | last if ($timeout_time < time); |
|---|
| 827 | } |
|---|
| 828 | |
|---|
| 829 | if ($timeout_time < time) { |
|---|
| 830 | &log("Timeout ($timeout) while connecting via SOCKS server"); |
|---|
| 831 | return $sock; |
|---|
| 832 | } |
|---|
| 833 | |
|---|
| 834 | my ($null_byte, $req_status, $port_num, $ip_addr) = unpack('CCnN',$received); |
|---|
| 835 | &log("Connection via SOCKS4A server rejected or failed") if ($req_status == 0x5b); |
|---|
| 836 | &log("Connection via SOCKS4A server because client is not running identd") if ($req_status == 0x5c); |
|---|
| 837 | &log("Connection via SOCKS4A server because client's identd could not confirm the user") if ($req_status == 0x5d); |
|---|
| 838 | |
|---|
| 839 | $sock; |
|---|
| 840 | } |
|---|
| 841 | |
|---|
| 842 | ############################################################################## |
|---|
| 843 | |
|---|
| 844 | sub parse_time |
|---|
| 845 | { |
|---|
| 846 | my ($hr, $min, $ampm) = @_; |
|---|
| 847 | |
|---|
| 848 | $hr = 0 if ($hr == 12); |
|---|
| 849 | $hr += 12 if ($ampm =~ /p/i); |
|---|
| 850 | |
|---|
| 851 | return(($hr*60*60)+($min*60)); |
|---|
| 852 | } |
|---|
| 853 | |
|---|
| 854 | ############################################################################## |
|---|