createTestComments

#!/usr/bin/perl -w
# This code is a part of Slash, and is released under the GPL.
# Copyright 1997-2005 by Open Source Technology Group. See README
# and COPYING for more information, or see http://slashcode.com/.
# $Id$

BEGIN {
	{
		require Silly::Werder;
		Silly::Werder->import;
	}
	die "Installation of Silly::Werder is required for this util, sorry!\n"
		if $@;
}

use strict;
use File::Basename;
use Getopt::Std;
use Slash;
use Slash::Utility;
use Digest::MD5 'md5_hex';
use Benchmark;

use vars qw( $slashdb $werder $constants $junk );

(my $VERSION) = ' $Revision$ ' =~ /\$Revision:\s+([^\s]+)/;
my $PROGNAME = basename($0);

my (%opts, %family_tree, %deep_tree);
# Remember to doublecheck these match usage()!
usage('Options used incorrectly') unless getopts('hI:RTJu:U:tv', \%opts);
usage() if ($opts{'h'} || !keys %opts);
version() if $opts{'v'};
if ($opts{R}) {
	usage("Can't specify -U when using -R") if exists $opts{U};
} else {
	usage("Must specify either -R, or both -U and -I")
		if ! exists $opts{U};
	usage('Invalid UID specified') unless $opts{U} =~ /^\d+$/;
}
if ($opts{T} && $opts{t}) {
	usage("Can't specify both -t and -T, pick one");
}
$junk = $opts{'J'} ? 1 : 0;
$opts{'u'} ||= 'slash';
$opts{num_comments} = $ARGV[0] || 10;
usage('Invalid number of comments') 
	if $opts{num_comments} !~ /^\d+$/ || $opts{num_comments} < 0;

createEnvironment($opts{u});
setCurrentSkin(determineCurrentSkin());
$slashdb = getCurrentDB();
$constants = getCurrentStatic();
$werder = new Silly::Werder;

# main program logic (in braces to offset nicely)
{
	# Determine user list size (for -R)
	my $max_uid = $slashdb->countUsers({ max => 1});
	my $min_uid = $slashdb->sqlSelect("MIN(uid)", "users");

	my $story_id = $opts{I} || "";

	my $t0 = new Benchmark;
	my $count = $opts{num_comments};
	while ($count) {
		my($stoid, $discussion_id) = ('', '');
		if ($story_id =~ /^\d+$/) {
			$discussion_id = $story_id;
		} else {
			if ($story_id =~ m{/}) {
				$stoid = $story_id;
			} else {
				$stoid = getRandomStoid();
			}
			$discussion_id = $slashdb->getStory($stoid, 'discussion');
		}
		my $discussion = $slashdb->getDiscussion($discussion_id);
		if (!$discussion_id || !$discussion) {
			print "Cannot create comments, no stories found.\n";
			exit 0;
		}
	 
		%family_tree = %deep_tree = ( );

		# Initialize the user.
		my $uid;
		my $user = undef;
		while (!$user) {
			if ($opts{R}) {
				if (rand(1) < 0.5) {
					$uid = getRandomUserID($min_uid, $max_uid);
				} else {
					$uid = $constants->{anonymous_coward_uid};
				}
			} elsif ($opts{U}) {
				$uid = $opts{U};
			} else {
				$uid = $min_uid;
			}
			$user = $slashdb->getUser($uid);
		}
		setRandomIPID($user);
	 
		# Before we start creating comments, we should take a look at
		# the thread structure (if we care about threading...)
		my (@werds);
		if (!$opts{T}) {
			my $comments = $slashdb->sqlSelectAllHashref(
				'cid',
				'cid, pid',
				'comments',
				"sid=$discussion_id",
			);
	 
			print "R: ", ref $comments;
			map {
				$family_tree{$comments->{$_}{cid}}
					= $comments->{$_}{pid}
			} keys %{$comments};
		}
		if ($opts{t}) {
			for my $cid (keys %family_tree) {
				my $count = 0;
				my $cid_back = $cid;
				while (exists($family_tree{$cid_back}) && ++$count < 1000) {
					$deep_tree{$cid}++;
					$cid_back = $family_tree{$cid_back};
				}
			}
		}
 
		my $num_werds = rand(20)*rand(20)+rand(10) + 1;
		$num_werds += 200 if rand(1) < 0.1;
		$num_werds += 300 if rand(1) < 0.1;
		my $comment = make_werds($num_werds, 0.1);
		my $mode_rand = rand(1);
		   if ($mode_rand < 0.25)	{ $comment = strip_plaintext($comment) }
		elsif ($mode_rand < 0.50)	{ $comment = strip_html     ($comment) }
		elsif ($mode_rand < 0.75)	{ $comment = strip_extrans  ($comment) }
		else				{ $comment = strip_code     ($comment) }
		$comment = balanceTags($comment, { deep_nesting => 1 });
		$comment = addDomainTags($comment);

		my $score = 1;
		if ($uid == $constants->{anonymous_coward_uid}
			or $user->{karma} < $constants->{badkarma}) {
			$score = 0;
		} elsif ($user->{karma} > $constants->{goodkarma}) {
			$score = 2;
		}
		my $score_rand = rand(1);
		   if ($score_rand < 0.08 )	{ $score  = -1	}
		elsif ($score_rand < 0.15 )	{ $score += -1	}
		elsif ($score_rand < 0.75 )	{		}
		elsif ($score_rand < 0.90 )	{ $score +=  1	}
		elsif ($score_rand < 0.94 )	{ $score +=  2	}
		elsif ($score_rand < 0.98 )	{ $score +=  3	}
		else				{ $score  =  5	}

		my $subj = make_werds(1 + rand 5);
		$subj =~ s/\W+$// if rand(1) < 0.1;
		$subj =~ s/<[^>]+>//g;
		$subj =~ s/\b(\w)/\U$1/g if rand(1) < 0.2;
		if (rand(1) < 0.2) {
			$subj =~ s/\W*$/ +((qw( . ! ? ))[rand 3]) x (2+rand 5) /e;
		}
		my $pid = getRandomParent();
		my $clean_comment = {
				comment         => $comment,
				sid             => $discussion_id,
				pid             => $pid,
				ipid            => $user->{ipid},
				subnetid        => $user->{subnetid},
				subject         => $subj,
				uid             => $user->{uid},
				points          => $score,
		};
		my $cid = $slashdb->createComment($clean_comment);
		my $tc = $slashdb->getVar('totalComments', 'value', 1);
		$slashdb->setVar('totalComments', ++$tc);
		$slashdb->setStory($stoid, { is_dirty => 1 }) if $stoid;
		$family_tree{$cid} = $pid if ! $opts{T};
		$deep_tree{$cid} = $deep_tree{$pid}+1 if $opts{t};
		print <<EOT;
($count) Comment created (user=$uid discussion=$discussion_id cid=$cid pid=$pid)
EOT
 
		$count--;
	}
	my $t1 = new Benchmark;
	print "$opts{num_comments} comments created in: ",
		timestr(timediff($t1, $t0), 'noc'),"\n";
}

# subroutines

sub getRandomStoid {
	# A minority of comments are posted to sectional stories.
	my $sectional = rand(1) < 0.3 ? 1 : 0;
	my $nexus_ar;
	if ($sectional) {
		$nexus_ar = $slashdb->getNexusChildrenTids($constants->{mainpage_nexus_tid});
	} else {
		$nexus_ar = [ $constants->{mainpage_nexus_tid} ];
	}
	my $nexus_list = join(", ", @$nexus_ar);
	my $stoids = $slashdb->sqlSelectColArrayref(
		"stories.stoid",
		"stories, story_topics_rendered",
		"stories.stoid=story_topics_rendered.stoid
		 AND discussion > 0
		 AND story_topics_rendered.tid IN ($nexus_list)
		 AND is_archived = 'no'
		 AND in_trash = 'no'
		 AND time < NOW()",
		"ORDER BY time DESC");
	return undef unless $stoids && @$stoids;
	# Try to pick a random stoid to post to that weights toward the
	# most recent sids.
	my $r;
	if (rand(1) < 0.05 || scalar(@$stoids) < 15) {
		$r = rand(@$stoids);
	} elsif (rand(1) < 0.8) {
		$r = rand(1) * rand(1) * 15;
	} elsif (rand(1) < 0.5 || scalar(@$stoids) < 30) {
		$r = rand(1) * rand(1) * 10;
	} else {
		$r = rand(1) * rand(1) * 30;
	}
	return $stoids->[$r];
}

sub getRandomParent {
	return 0 if $opts{T};

	my @a = keys %family_tree;

	if ($opts{t}) {
		# Weight toward nesting deeply.
		my @deepest_cids =
			sort { $deep_tree{$b} <=> $deep_tree{$a} }
			keys %deep_tree;
		if (scalar(@deepest_cids) >= 8) {
			@a = @deepest_cids[0, 0, 0, 0, 0, 1, 1, 2..5];
		} elsif (scalar(@deepest_cids) >= 5) {
			@a = @deepest_cids;
		} else {
			# leave @a alone
		}
	}
 
	if (!$opts{t}) {
		# If not very many posts, return 0 for the root.
		return 0 if rand(@a) < 5;
		# Always a chance of returning 0.
		return 0 if rand(1) > 0.75;
	}
	# Otherwise pick one.
	my $pid = $a[ rand @a ];
	return $pid || 0;
}
 
sub getRandomUserID {
	my($min_uid, $max_uid) = @_;
	my $rand_uid = $slashdb->sqlSelect("uid", "users",
		"uid BETWEEN $min_uid AND $max_uid", "ORDER BY RAND() LIMIT 1");
	return $rand_uid;
}

# CLOSURE!
{
my(@subnets) = ();
sub setRandomIPID {
	my $user = shift;
	my $seed = int(rand(65536));

	if (!@subnets) {
		# We now generate 10 random subnets which we will use for
		# the rest of this execution.
		srand(12345);
		while (@subnets < 10) {
			my $subnet = sprintf "%d.%d.%d",
				1+rand 254, 1+rand 254, 1+rand 254;
			push @subnets, $subnet;
		}
	}

	srand($user->{uid} + (time % 5));
	my $uid10 = $user->{uid} % 10;
	$uid10 = int(rand(7)) if $user->{uid} == $constants->{anonymous_coward_uid};
	my $quad3;
	my $fourth;
	if ($uid10 < rand(10)) {
		$quad3 = $subnets[$uid10];
		if ($uid10 < rand(10)) {
			$fourth = $uid10 + 1 + (int($user->{uid}/50) % 254);
		} else {
			$fourth = 1+int(rand(4))*int(rand(4))*int(rand(12));
		}
	} else {
		$quad3 = $subnets[rand($#subnets + 1)];
		$fourth = 1+int(rand(16))*int(rand(16));
	}
	$user->{subnetid} = md5_hex("$quad3.0");
	$user->{ipid} = md5_hex("$quad3.$fourth");
	srand($$ + time + $seed);
}
}
		

sub make_werds {
	my($werds, $link_prob) = @_;
	$werds = int($werds);
	$link_prob ||= 0;
	if ($werds > 40) {
		$werder->set_werds_num(5,20);
	} elsif ($werds > 20) {
		$werder->set_werds_num(3,10);
	} else {
		$werder->set_werds_num($werds, $werds);
	}
	my $min_syl = int(rand(2)+1);
	$werder->set_syllables_num($min_syl, $min_syl + int(rand(5)+1));
	my @links = qw(
		http://slashdot.org/            http://www.brunching.com/
		http://www.newsforge.com        http://ostg.com
		http://whitehouse.gov           http://www.whitehouse.gov/
		http://us.imdb.com/             http://www.kernel.org
		http://ic.ac.uk                 http://cr.yp.to/
		http://www.verizonreallyreallyreallysucks.com/
		ftp://ftp.kernel.org/           ftp://ftp.gnu.org/gnu/Licenses/COPYING-2.0
		news:news.admin.net-abuse.email gopher://ccat.sas.upenn.edu:3333/11/Fiction/
		http://List-Etiquette.com/about/
		http://slashdot.org/features/99/03/31/0137221.shtml
		http://www.nap.edu/readingroom/books/newpath/chap2.html
		http://www.forthnet.gr/forthnet/isoc/short.history.of.internet
		http://www.freenix.fr/unix/linux/HOWTO/French-HOWTO.html
		http://www.linux.org.mx/        http://www.linux.net.mx/linux.php
		http://www.linux.org.uk/diary/  http://hepwww.ph.qmw.ac.uk/HEPpc/
		http://www.w3.org               http://peipa.essex.ac.uk/tp-linux/
		http://www.crosswinds.net/~tvquotes/futurama/2.html
		http://www.google.com/search?q=cache:h58W7o4qU-w:www.space.com/sciencefiction/tv/futurama_gore_000516_wg.html+Futurama+Fry&hl=en
		http://dmoz.org/Regional/Europe/United_Kingdom/Wales/Isle_of_Anglesey/Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch/
		www.google.com                  bad_link b.a.d l.i.n.k . .. ... ....
		mailto:jamie@slashdot.org       mailto:pater@slashdot.org
	);
	push @links, 'http://directory.google.com/Top/Arts/Literature/Authors/C/Carroll,_Lewis/Works/Hunting_of_the_Snark,_The/';
	my $comment;
	my $cur_werds = 0;
	my $tag = "";
	my $quote = q{};
	my $last_p_werd_num = 0;
	while ($cur_werds < $werds) {
		my $new_werds = '';
		if (int(rand(6))==0 || $werds < $cur_werds * 1.1) {
			if (int(rand(2))) {
				$new_werds = $werder->question;
			} else {
				$new_werds = $werder->exclaimation; # Dave, you spelled this word wrong
			}
		} else {
			$new_werds = $werder->sentence;
		}
		if ($link_prob && rand(1) < $link_prob) {
			my @new_werds = split / /, $new_werds;
			my $a_href = q{<a href="} . $links[rand @links] . q{">} . (rand(1)<0.1?" ":"");
			my $close_a = (rand(1)<0.1?" ":"") . "</a>";
			my $insert_start = int(rand(@new_werds-2));
			my $insert_end = $insert_start + int(rand(4))+1;
			$insert_end = scalar @new_werds if $insert_end > scalar @new_werds;
			$new_werds = join(" ",
				@new_werds[0..$insert_start-1],
				$a_href . $new_werds[$insert_start],
				@new_werds[$insert_start+1..$insert_end-1],
				$new_werds[$insert_end] . $close_a,
				@new_werds[$insert_end+1..$#new_werds]
			);
		}
		if ($cur_werds && !$tag && rand > 0.9) {
			if (rand(1) < 0.95) { $tag = "i" }
			else { $tag = "b" }
			if (rand(1) < 0.50) { $quote = int(rand(3)) ? q{'} : q{"} };
			$new_werds = "<$tag>$quote$new_werds";
		}
		if ($tag && rand(1) < 0.5) {
			$new_werds = "$new_werds$quote</$tag>";
			$tag = ""; $quote = q{};
		}
		$comment .= " $new_werds";
		$comment =~ s{\s+}{ }g;
		$cur_werds = $comment =~ tr/ / /;
		if (rand($werds) > 30
			and rand($cur_werds - $last_p_werd_num) > 20) {
			$comment .= "<P>";
			$last_p_werd_num = $cur_werds;
		}
	}
	$comment .= "</$tag>" if $tag;
	$comment =~ s{</(\w+)>\s+<\1>}{ }g;
	$comment =~ s/^\s*(.+)\s*$/$1/;
	$comment =~ s/^\s+//; $comment =~ s/\s+$//;
	if ($link_prob && $junk) {
		my @fragments = (
			"<a", "href=", 'href="', '"', "'", ">", '>">', " > >",
			"<", " < ", " <<", ">>", " < < <", "< < ", "<? ", "&lt;<",
			".", "..", "../", "/..", "/../../..", " ", "  ", " \r ",
			":::", "::::::", "::::::::::", "///", "////////", ":/:/:/",
			" \n ", "\n ", "\n\n", "\r\n\r", "\n\r\n", "\t \t", "\t",
			"<i>", "</ i >", "<i >", "< /i >", "< i>", "< / i>",
			"<i", "</i", "i>", "/i>", "/i/", "i/i", " // ", " / ",
			"%2e", "%2f", "%3c", "%3e", "&lt;", "&gt;", "&amp;", "&",
			"&amp", "&amp ", "&&", "&gt ;", "&#000;", "&#127;", "&#amp;",
			"&#120;", "&#040;", "&#x30;", "&12345;", "&#2345;", "&999 ",
			"&lt;<%3c", "&gt;>%3e", "%3e&lt; ", "><", "<>", "<><>",
			"%25%", "%25", "&#046;", "&#26;", "& &", "<&> <", ">&<",
			'<a hReF="/', '<A href = "//', '<A HREF=http://',
			'<a href=""http://', '<a HREF="news:', '<a href="ftp:',
			"<a\thref=\"/", '<a href="///', "<a\rhref=\"http:",
			"<A\nHREF=\"http:", "<A\nHREF=http:", "<A\nHREF=\"http",
			'<a href="ftp://ab:xz@', '<a href="ww~w\@foo.com/',
			'<a href="@bar.com/', '<a href="http://@bar.com/',
			'<a href="news:a:b@', '<a href="news:a:b:c:d@foo.com',
			'<a href="ftp://aaa@foo.com', '<a href="http://bbb@bar',
			'<a href="http://ab:xz@', '<a href="http://www@',
			'<a href="ftp://www@www/', '<a href="news:new@new/',
			'<a href="http://@', '<a href="http://:bar@', '%5c',
			'<a href=http://foo:bar@', '<a href=http://@', '%7f',
			'<a href="http://foo.com%20%20%20%20%20%20%20@',
			"<A\nhref=\"HTTP://", "<!-- script ", "<script ",
			'< a href="', '" <script="', "<script>", "<script",
			"script>", "/script>", "href=", ' href="', ' HREF="',
			'<img src="', "<img ", "</img>", "</hr>", "<!-- ",
			"<!- - ", "<!--", "<! ", "<!", "!>", "-->", " -->",
			"<a href=\"\r\n", "foo.com", "bar.com", "test.cx",
			"&#".int(rand(256)).";", "&#".int(rand(256)).";",
			"&#".int(rand(256)).";", "&#".int(rand(256)).";",
			"&#".int(rand(256)).";", "&#".int(rand(256)).";",
			"&#".int(rand(65536)).";", "&#".int(rand(65536)).";",
			"&#".int(rand(65536)).";", "&#".int(rand(65536)).";",
			"&#".int(rand(65536)).";", "&#".int(rand(65536)).";",
			"&#".int(rand(65536)).";", "&#".int(rand(65536)).";",
			"&#".int(rand(65536)).";", "&#".int(rand(65536)).";",
			"&#".int(rand(65536)).";", "&#".int(rand(65536)).";",
		);
		for (1..$werds) {
			my $offset = int(rand(length($comment))+1);
			my $done = 0;
			while (!$done) {
				my $fragment = $fragments[rand @fragments];
				substr($comment, $offset, 0) = $fragment;
				$done = 1 if rand(1) < 0.8;
			}
		}
	}
	$comment;
}

sub usage {
	print "*** $_[0]\n" if $_[0];
	# Remember to doublecheck these match getopts()!
	print <<EOT;

Usage: $PROGNAME [OPTIONS] [#comments]

This utility creates test comments for a given Slash site. This program is for
testing purposes, only, particularly for those ambitious Slash users out there
who want to try their hand at modifying the comment or moderation systems.

Main options:
	-h	Help (this message)
	-v	Version
	-u	Virtual user (default is "slash")
	-I	Story ID to post into.

Identity options (specify one): 
	-U	User to post as.
	-R	Post as random users.

Posting options:
	-t	Weight towards nesting deeply.
	-T	Do NOT post with threads.
	-J	Post junk links (random text to stress canonicalization)

EOT
	exit;
}


sub version {
	print <<EOT;

$PROGNAME $VERSION

This code is a part of Slash, and is released under the GPL.
Copyright 1997-2005 by Open Source Technology Group. See README
and COPYING for more information, or see http://slashcode.com/.

EOT
	exit;
}

__END__