229 lines
7.4 KiB
Perl
229 lines
7.4 KiB
Perl
require "include.pl";
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require "functions.pl";
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#initialize session data
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CGI::Session->name($session_name);
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$query = new CGI;
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$session = new CGI::Session;
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#check if id or title is passed
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if($query->url_param('title') or $query->url_param('id'))
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{
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%page = ();
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#if a username is associated with session id, username is nonempty
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$page->{'username'} = get_username_from_sid($session->id);
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$page->{'locale'} = $locale;
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$page->{'stylesheet'} = $stylesheet;
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$page->{'xmlns:dc'} = $xmlns_dc;
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$page->{'xmlns:cc'} = $xmlns_cc;
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$page->{'xmlns:rdf'} = $xmlns_rdf;
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#connect to db
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my $dbh = DBI->connect("DBI:mysql:$database:$dbhost", $dbuser, $dbpass) or die $dbh->errstr;
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if($query->url_param('id'))
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{
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#if id is passed ignore title and check for the id
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$sth = $dbh->prepare(qq{select id, title, description, userid, from_unixtime( timestamp ),
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creator, subject, contributor, source, language, coverage, rights, license
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from videos where id = ? }) or die $dbh->errstr;
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$rowcount = $sth->execute($query->url_param('id')) or die $dbh->errstr;
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}
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else
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{
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#if no id was passed there has to be a title we search for
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$sth = $dbh->prepare(qq{select id, title, description, userid, from_unixtime( timestamp ),
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creator, subject, contributor, source, language, coverage, rights, license
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from videos where title = ? }) or die $dbh->errstr;
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$rowcount = $sth->execute($query->url_param('title')) or die $dbh->errstr;
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}
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#if the args are wrong there my be zero results
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#if there was a title passed, then perform a search
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if($rowcount == 0 and $query->url_param('title'))
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{
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$sth = $dbh->prepare(qq{select id, title, description, userid, from_unixtime( timestamp ),
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creator, subject, contributor, source, language, coverage, rights, license
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from videos where match(title, description, subject) against( ? ) }) or die $dbh->errstr;
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$rowcount = $sth->execute($query->url_param('title')) or die $dbh->errstr;
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}
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#from this point on, do not use $query->param('id') anymore - we do not know what was given
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if($rowcount == 0)
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{
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#still no results
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#there is nothing we can do now - this video doesn't exist...
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$page->{'message'}->{'type'} = "error";
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$page->{'message'}->{'text'} = "error_202c";
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}
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elsif($rowcount == 1)
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{
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#if there was a single result, display the video
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my ($id, $title, $description, $userid, $timestamp, $creator, $subject,
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$contributor, $source, $language, $coverage, $rights, $license,) = $sth->fetchrow_array();
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#finish query
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$sth->finish() or die $dbh->errstr;
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#if user is logged in
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if($userid = get_userid_from_sid($session->id)
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{
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#check if a comment is about to be created
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if($query->param('comment'))
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{
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#output infobox
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$page->{'message'}->{'type'} = "information";
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$page->{'message'}->{'text'} = "information_comment_created";
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#add to database
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$dbh->do(qq{insert into comments (userid, videoid, text) values (?, ?, ?)}, undef, $userid, $id, $query->param('comment')) or die $dbh->errstr;
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}
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#check if user is about to rate video
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elsif($query->param('rating'))
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{
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$dbh->do(qq{insert into ratings (userid, videoid, rating) values (?, ?, ?)}, undef, $userid, $id, $query->param('rating')) or die $dbh->errstr;
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}
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}
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#if referer is not the local site update referer table
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$referer = $query->referer() or $referer = '';
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$server_name = $query->server_name();
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if($referer !~ /^\w+:\/\/$server_name/)
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{
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#check if already in database
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$sth = $dbh->prepare(qq{select 1 from referer where videoid = ? and referer = ? }) or die $dbh->errstr;
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my $rowcount = $sth->execute($id, $referer) or die $dbh->errstr;
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$sth->finish() or die $dbh->errstr;
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if($rowcount > 0)
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{
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#video is in database - increase referercount
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$sth = $dbh->prepare(qq{update referer set count=count+1 where videoid = ? and referer = ? }) or die $dbh->errstr;
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$sth->execute($id, $referer) or die $dbh->errstr;
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$sth->finish();
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}
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else
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{
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#add new referer
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$sth = $dbh->prepare(qq{insert into referer (videoid, referer) values (?, ?) }) or die $dbh->errstr;
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$sth->execute($id, $referer) or die $dbh->errstr;
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$sth->finish();
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}
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}
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#before code cleanup, this was a really obfuscated array/hash creation
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push @{ $page->{'video'} },
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{
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'thumbnail' => ['./video-stills/225x150/4chan_city_mashup.png'],
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'rdf:RDF' =>
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{
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'cc:Work' =>
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{
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'rdf:about' => "download.pl?id=$id&view=true",
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'dc:title' => [$title],
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'dc:creator' => [$creator],
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'dc:subject' => [$subject],
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'dc:description' => [$description],
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'dc:publisher' => [get_username_from_id($userid)],
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'dc:contributor' => [$contributor],
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'dc:date' => [$timestamp],
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'dc:identifier' => ["video.pl?title=$title&id=$id"],
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'dc:source' => [$source],
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'dc:language' => [$language],
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'dc:coverage' => [$coverage],
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'dc:rights' => [$rights]
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},
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'cc:License' =>
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{
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'rdf:about' => $license
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}
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}
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};
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#get comments
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$sth = $dbh->prepare(qq{select comments.text, users.username from comments, users where
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comments.videoid=? and users.id=comments.userid});
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$sth->execute($id);
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while (my ($text, $username) = $sth->fetchrow_array())
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{
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push @{ $page->{'comments'}->{'comment'} }, {
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'text' => decode_utf8($text),
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'user' => $username
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};
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}
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#get referers
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$sth = $dbh->prepare(qq{select count, referer from referer where videoid=?});
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$sth->execute($id);
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while (my ($count, $referer) = $sth->fetchrow_array())
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{
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$referer or $referer = 'no referer (refreshed, manually entered url or bookmark)';
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push @{ $page->{'referers'}->{'referer'} }, {
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'count' => $count,
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'referer' => $referer
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};
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}
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}
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else
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{
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#when an ambigous title was passed there may me many results - display them like search.pl does
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$page->{results}->{query} = decode_utf8($query->url_param('title'));
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#get every returned value
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while (my ($id, $title, $description, $userid, $timestamp) = $sth->fetchrow_array())
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{
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#before code cleanup, this was a really obfuscated array/hash creation
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push @{ $page->{'results'}->{'result'} },
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{
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'thumbnail' => ['./video-stills/225x150/4chan_city_mashup.png'],
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'rdf:RDF' =>
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{
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'cc:Work' =>
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{
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'rdf:about' => "./video.pl?title=$title&id=".$id,
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'dc:title' => [$title],
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'dc:date' => [$timestamp],
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'dc:publisher' => [get_username_from_id($userid)],
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'dc:description'=> [$description]
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},
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'cc:License' =>
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{
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'rdf:about' => 'http://creativecommons.org/licenses/GPL/2.0/'
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}
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}
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};
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}
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#finish query
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$sth->finish() or die $dbh->errstr;
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}
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#close db
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$dbh->disconnect() or die $dbh->errstr;
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#print xml http header along with session cookie
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print $session->header(-type=>'text/xml');
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#print xml
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print XMLout($page, KeyAttr => {}, XMLDecl => $XMLDecl, RootName => 'page');
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}
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else
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{
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%page = ();
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#if a username is associated with session id, username is nonempty
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$page->{'username'} = get_username_from_sid($session->id);
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$page->{'locale'} = $locale;
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$page->{'stylesheet'} = $stylesheet;
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$page->{'xmlns:dc'} = $xmlns_dc;
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$page->{'xmlns:cc'} = $xmlns_cc;
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$page->{'xmlns:rdf'} = $xmlns_rdf;
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$page->{'message'}->{'type'} = "error";
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$page->{'message'}->{'text'} = "error_202c";
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#print xml http header along with session cookie
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print $session->header(-type=>'text/xml');
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#print xml
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print XMLout($page, KeyAttr => {}, XMLDecl => $XMLDecl, RootName => 'page');
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}
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