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fixed tag exploit

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git-svn-id: http://yolanda.mister-muffin.de/svn@272 7eef14d0-6ed0-489d-bf55-20463b2d70db
This commit is contained in:
josch 2008-04-04 09:16:55 +00:00
parent b9baadf6fd
commit fa1b8fb203
1 changed files with 19 additions and 1 deletions
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18
trunk/tools/tagcloud.pl
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@ -11,24 +11,42 @@ $dbh = DBI->connect("DBI:mysql:$database:$dbhost", $dbuser, $dbpass);
$sth = $dbh->prepare("select subject from videos"); $sth = $dbh->prepare("select subject from videos");
$sth->execute(); $sth->execute();
#cycle through all video subjects
while(($subject) = $sth->fetchrow_array()) while(($subject) = $sth->fetchrow_array())
{ {
@subject = split(' ', $subject); @subject = split(' ', $subject);
#cycle through all tags of video
foreach my $val (@subject) foreach my $val (@subject)
{ {
#strip whitespaces
$val =~ s/^\s*(.*?)\s*$/$1/; $val =~ s/^\s*(.*?)\s*$/$1/;
if(length($val) >= 4) if(length($val) >= 4)
{
#check if some clever guy has written a tag multiple times
$found = 0;
foreach my $tmpval (@subject)
{
if($val eq $tmpval)
{
$found = 1;
}
}
#only add tag if it is not been entered twice or more
if(!$found)
{ {
%hash->{$val}++; %hash->{$val}++;
} }
} }
} }
}
$sth->finish(); $sth->finish();
#sort by count
@sorted = sort {$hash{$b} cmp $hash{$a}} keys %hash; @sorted = sort {$hash{$b} cmp $hash{$a}} keys %hash;
$dbh->do("delete from tagcloud"); $dbh->do("delete from tagcloud");
$sth = $dbh->prepare("insert into tagcloud (text, count) values (?, ?)"); $sth = $dbh->prepare("insert into tagcloud (text, count) values (?, ?)");
#insert first 20 tags into tagcloud table
for($i=0;$i<20 and $i<=$#sorted;$i++) for($i=0;$i<20 and $i<=$#sorted;$i++)
{ {
$sth->execute( $sorted[$i], %hash->{$sorted[$i]} ); $sth->execute( $sorted[$i], %hash->{$sorted[$i]} );