#!/usr/local/bin/perl
require 'a_deny.cgi';
#┌─────────────────────────────────
#│ JOYFUL NOTE : joyful.cgi - 2011/10/29
#│ Copyright (c) KentWeb
#│ http://www.kent-web.com/
#└─────────────────────────────────
# モジュール宣言
use strict;
use CGI::Carp qw(fatalsToBrowser);
use lib "./lib";
use CGI::Minimal;
use Jcode;

# 設定ファイル認識
require "./init.cgi";
my %cf = &init;

# データ受理
CGI::Minimal::max_read_size($cf{maxdata});
my $cgi = CGI::Minimal->new;
&error('容量オーバー') if ($cgi->truncated);
my %in = &parse_form($cgi);

# 処理分岐
if ($in{mode} eq 'find') { &find_data; }
if ($in{mode} eq 'note') { &note_page; }
if ($in{mode} eq 'past' && $cf{pastkey}) { &past_log; }
if ($in{mode} eq 'album') { &album; }
&bbs_list;

#-----------------------------------------------------------
#  記事表示部
#-----------------------------------------------------------
sub bbs_list {
	# 返信フォーム
	my $resnum;
	foreach ( $cgi->param() ) {
		if (/^res:(\d+)$/) {
			$resnum = $1;
			last;
		}
	}
	&res_form($resnum) if ($resnum);

	# ページ数定義
	my $pg = $in{pg} || 0;

	# 記事展開
	my ($i,@log,%res,%nam,%sub,%dat,%com,%url,%col,%ext,%imw,%imh);
	open(IN,"$cf{logfile}") or &error("open err: $cf{logfile}");
	my $top = <IN>;
	while (<IN>) {
		my ($no,$reno,$date,$name,$eml,$sub,$com,$url,$host,$pw,$col,$ext,$w,$h,$chk) = split(/<>/);

		++$i if (!$reno);
		next if ($i < $pg + 1);
		next if ($i > $pg + $cf{pg_max});

		# 親記事
		if (!$reno) {
			push(@log,$no);
		# レス記事
		} else {
			$res{$reno} .= "$no,";
		}
		# リンク
		$name = qq|<a href="mailto:$eml">$name</a>| if ($eml);
		$url &&= qq|<a href="$url" target="_blank"><img src="$cf{ico_home}" class="icon"></a>|;
		$com = &autolink($com) if ($cf{autolink});

		# ハッシュ化
		$nam{$no} = $name;
		$sub{$no} = $sub;
		$dat{$no} = $date;
		$com{$no} = $com;
		$col{$no} = $col;
		$url{$no} = $url;
		if ($ext) {
			if ($cf{img_check} && $chk eq '0') {
				$ext{$no} = "hide";
			} else {
				$ext{$no} = "$no$ext";
				$imw{$no} = $w;
				$imh{$no} = $h;
			}
		}
	}
	close(IN);

	# 繰越ボタン作成
	my $page_btn = &make_pgbtn($i, $pg);

	# クッキー取得
	my @cook = &get_cookie;
	$cook[2] ||= 'http://';

	# 色選択ボタン
	my @col = split(/\s+/, $cf{colors});
	my $color;
	foreach (0 .. $#col) {
		if ($_ == $cook[3]) {
			$color .= qq|<input type="radio" name="color" value="$_" checked>|;
		} else {
			$color .= qq|<input type="radio" name="color" value="$_">|;
		}
		$color .= qq|<span style="color:$col[$_]">■</span>\n|;
	}

	# カウンタ
	my $counter = &counter if ($cf{counter});

	# テンプレート読込
	open(IN,"$cf{tmpldir}/bbs.html") or &error("open err: bbs.html");
	my $tmpl = join('', <IN>);
	close(IN);

	open(IN,"$cf{tmpldir}/res.html") or &error("open err: res.html");
	my $resloop = join('', <IN>);
	close(IN);

	# テンプレート分割
	my ($head,$loop,$foot);
	if ($tmpl =~ /(.+)<!-- loop_begin -->(.+)<!-- loop_end -->(.+)/s) {
		($head,$loop,$foot) = ($1,$2,$3);
	} else {
		&error("テンプレートが不正です");
	}

	# 画像認証作成
	my ($str_plain,$str_crypt);
	if ($cf{use_captcha} > 0) {
		require $cf{captcha_pl};
		($str_plain, $str_crypt) = cap::make( $cf{captcha_key}, $cf{cap_len} );
	} else {
		$head =~ s/<!-- captcha_begin -->.+<!-- captcha_end -->//s;
	}
	# 過去ログ
	if ($cf{pastkey} == 0) {
		$head =~ s/<!-- past_begin -->.+<!-- past_end -->//gs;
	}

	# 文字置換
	foreach ($head,$foot) {
		s/!bbs_title!/$cf{bbs_title}/g;
		s/!([a-z]+_cgi)!/$cf{$1}/g;
		s/!homepage!/$cf{homepage}/g;
		s/!page_btn!/$page_btn/g;
		s/!name!/$cook[0]/;
		s/!email!/$cook[1]/;
		s/!url!/$cook[2]/;
		s/!str_crypt!/$str_crypt/g;
		s/!color!/$color/g;
		s/!sub!//g;
		s/!reno!//g;
		s/!counter!/$counter/g;
	}

	# ヘッダ表示
	print "Content-type: text/html\n\n";
	print $head;

	# 記事表示
	foreach (@log) {
		# レス
		my $res;
		foreach my $r ( split(/,/, $res{$_}) ) {
			# 添付
			$com{$r} = qq|<span style="color:$col[$col{$r}]">$com{$r}</span>|;
			if (defined($ext{$r})) {
				$com{$r} = &attach($com{$r},$ext{$r},$imw{$r},$imh{$r});
			}
			my $tmp = $resloop;
			$tmp =~ s/!sub!/$sub{$r}/g;
			$tmp =~ s/!name!/$nam{$r}/g;
			$tmp =~ s/!url!/$url{$r}/g;
			$tmp =~ s/!date!/$dat{$r}/g;
			$tmp =~ s/!num!/$r/g;
			$tmp =~ s/!comment!/$com{$r}/g;
			$res .= $tmp;
		}
		# 添付
		$com{$_} = qq|<span style="color:$col[$col{$_}]">$com{$_}</span>|;
		if (defined($ext{$_})) {
			$com{$_} = &attach($com{$_},$ext{$_},$imw{$_},$imh{$_});
		}
		my $tmp = $loop;
		$tmp =~ s/!sub!/$sub{$_}/g;
		$tmp =~ s/!name!/$nam{$_}/g;
		$tmp =~ s/!url!/$url{$_}/g;
		$tmp =~ s/!date!/$dat{$_}/g;
		$tmp =~ s/!num!/$_/g;
		$tmp =~ s/!comment!/$com{$_}/g;
		$tmp =~ s/<!-- res -->/<blockquote>$res<\/blockquote>/g;
		print $tmp;
	}

	# フッタ
	&footer($foot);
}

#-----------------------------------------------------------
#  返信フォーム
#-----------------------------------------------------------
sub res_form {
	my $resnum = shift;

	my ($flg,$resub,@res,%nam,%sub,%dat,%com,%url,%ext,%chk,%col,%imw,%imh);
	open(IN,"$cf{logfile}") or &error("open err: $cf{logfile}");
	my $top = <IN>;
	while (<IN>) {
		my ($no,$reno,$date,$name,$eml,$sub,$com,$url,$host,$pw,$col,$ext,$w,$h,$chk) = split(/<>/);

		if ($resnum == $no) {
			$flg = 1;

			# タイトル名
			if ($sub =~ /^Re:/) {
				$resub = $sub;
			} else {
				$resub = "Re: $sub";
			}

		} elsif ($resnum == $reno) {
			push(@res,$no);
		} else {
			next;
		}
		# リンク
		$name = qq|<a href="mailto:$eml">$name</a>| if ($eml);
		$url &&= qq|<a href="$url" target="_blank"><img src="$cf{ico_home}" class="icon"></a>|;
		$com = &autolink($com) if ($cf{autolink});

		$nam{$no} = $name;
		$sub{$no} = $sub;
		$dat{$no} = $date;
		$com{$no} = $com;
		$col{$no} = $col;
		$url{$no} = $url;
		$chk{$no} = $chk;
		if ($ext) {
			if ($cf{img_check} && $chk eq '0') {
				$ext{$no} = "hide";
			} else {
				$ext{$no} = "$no$ext";
				$imw{$no} = $w;
				$imh{$no} = $h;
			}
		}
	}
	close(IN);

	if (!$flg) { &error("不正な返信要求です"); }

	# クッキー取得
	my @cook = &get_cookie;
	$cook[2] ||= 'http://';

	# 色選択ボタン
	my @col = split(/\s+/, $cf{colors});
	my $color;
	foreach (0 .. $#col) {
		if ($_ == $cook[3]) {
			$color .= qq|<input type="radio" name="color" value="$_" checked>|;
		} else {
			$color .= qq|<input type="radio" name="color" value="$_">|;
		}
		$color .= qq|<span style="color:$col[$_]">■</span>\n|;
	}

	# テンプレート読込
	open(IN,"$cf{tmpldir}/bbs.html") or &error("open err: bbs.html");
	my $tmpl = join('', <IN>);
	close(IN);

	open(IN,"$cf{tmpldir}/res.html") or &error("open err: res.html");
	my $resloop = join('', <IN>);
	close(IN);

	# テンプレート分割
	my ($head, $loop, $foot);
	if ($tmpl =~ /(.+)<!-- loop_begin -->(.+)<!-- loop_end -->(.+)/s) {
		($head, $loop, $foot) = ($1, $2, $3);
	} else {
		&error("テンプレートが不正です");
	}
	# 過去ログ
	if ($cf{pastkey} == 0) {
		$head =~ s/<!-- past_begin -->.+<!-- past_end -->//gs;
	}

	# 画像認証作成
	my ($str_plain,$str_crypt);
	if ($cf{use_captcha} > 0) {
		require $cf{captcha_pl};
		($str_plain, $str_crypt) = cap::make( $cf{captcha_key}, $cf{cap_len} );
	} else {
		$head =~ s/<!-- captcha_begin -->.+<!-- captcha_end -->//s;
	}

	# 文字置換
	foreach ($head, $foot) {
		s/!bbs_title!/$cf{bbs_title}/g;
		s/!([a-z]+_cgi)!/$cf{$1}/g;
		s/!homepage!/$cf{homepage}/g;
		s/!name!/$cook[0]/;
		s/!email!/$cook[1]/;
		s/!url!/$cook[2]/;
		s/!str_crypt!/$str_crypt/g;
		s/!color!/$color/g;
		s/!sub!/$resub/g;
		s/!reno!/$resnum/g;
		s/!counter!//g;
		s/!page_btn!//g;
	}

	# ヘッダ表示
	print "Content-type: text/html\n\n";
	print $head;

	# レス
	my $res;
	foreach my $r (@res) {
		# 添付
		$com{$r} = qq|<span style="color:$col[$col{$r}]">$com{$r}</span>|;
		if (defined($ext{$r})) {
			$com{$r} = &attach($com{$r},$ext{$r},$imw{$r},$imh{$r});
		}
		# 文字置換
		my $tmp = $resloop;
		$tmp =~ s/!sub!/$sub{$r}/g;
		$tmp =~ s/!name!/$nam{$r}/g;
		$tmp =~ s/!date!/$dat{$r}/g;
		$tmp =~ s/!url!/$url{$r}/g;
		$tmp =~ s/!num!/$r/g;
		$tmp =~ s|!comment!|$com{$r}|g;
		$res .= $tmp;
	}

	# 添付
	$com{$resnum} = qq|<span style="color:$col[$col{$resnum}]">$com{$resnum}</span>|;
	if (defined($ext{$resnum})) {
		$com{$resnum} = &attach($com{$resnum},$ext{$resnum},$imw{$resnum},$imh{$resnum});
	}
	# 文字置換
	$loop =~ s/!sub!/$sub{$resnum}/g;
	$loop =~ s/!name!/$nam{$resnum}/g;
	$loop =~ s/!date!/$dat{$resnum}/g;
	$loop =~ s/!url!/$url{$resnum}/g;
	$loop =~ s/!num!/$resnum/g;
	$loop =~ s|!comment!|$com{$resnum}|g;
	$loop =~ s/<!-- res -->/<blockquote>$res<\/blockquote>/g;
	print $loop;

	# フッタ
	&footer($foot);
}

#-----------------------------------------------------------
#  ワード検索
#-----------------------------------------------------------
sub find_data {
	# 条件
	$in{cond} =~ s/\D//g;

	# 検索条件プルダウン
	my %op = (1 => 'AND', 0 => 'OR');
	my $op_cond;
	foreach (1,0) {
		if ($in{cond} eq $_) {
			$op_cond .= qq|<option value="$_" selected>$op{$_}\n|;
		} else {
			$op_cond .= qq|<option value="$_">$op{$_}\n|;
		}
	}

	# 検索実行
	Jcode::convert(\$in{word}, 'sjis');
	my ($hit,@log) = &search($cf{logfile}) if ($in{word} ne '');

	# テンプレート
	open(IN,"$cf{tmpldir}/find.html") or &error("open err: find.html");
	my $tmpl = join('', <IN>);
	close(IN);

	# 分割
	$tmpl =~ /(.+)<!-- loop_begin -->(.+)<!-- loop_end -->(.+)/s;
	my ($head,$loop,$foot) = ($1, $2, $3);

	foreach ($head, $foot) {
		s/!bbs_cgi!/$cf{bbs_cgi}/g;
		s/<!-- op_cond -->/$op_cond/;
		s/!word!/$in{word}/;
	}

	# ヘッダ部
	print "Content-type: text/html\n\n";
	print $head;

	# ループ部
	foreach my $log (@log) {
		my ($no,$reno,$date,$name,$eml,$sub,$com,$url,$host,$pw,$col,$ext,$w,$h,$chk) = split(/<>/, $log);
		$name = qq|<a href="mailto:$eml">$name</a>| if ($eml);
		$com  = &autolink($com) if ($cf{autolink});
		$url  = qq|<a href="$url" target="_blank">$url</a>| if ($url);
		if ($ext) {
			if ($cf{img_check} && $chk eq '0') {
				$ext = "hide";
			} else {
				$ext = "$no$ext";
			}
			$com = &attach($com,$ext,$w,$h);
		}

		my $tmp = $loop;
		$tmp =~ s/!sub!/$sub/g;
		$tmp =~ s/!date!/$date/g;
		$tmp =~ s/!name!/$name/g;
		$tmp =~ s/!home!/$url/g;
		$tmp =~ s/!comment!/$com/g;
		print $tmp;
	}

	# フッタ
	&footer($foot);
}

#-----------------------------------------------------------
#  検索実行
#-----------------------------------------------------------
sub search {
	my ($file, $list, $stat) = @_;

	# キーワードを配列化
	$in{word} =~ s/　/ /g;
	my @wd = split(/\s+/, $in{word});

	# 検索処理
	my ($i, @log);
	open(IN,"$file") or &error("open err: $file");
	my $top = <IN> if (!$stat);
	while (<IN>) {
		my ($no,$reno,$date,$nam,$eml,$sub,$com,$url,$hos,$pw,$col,$ext,$w,$h,$chk) = split(/<>/);

		my $flg;
		foreach my $wd (@wd) {
			if (index("$nam $eml $sub $com $url", $wd) >= 0) {
				$flg++;
				if ($in{cond} == 0) { last; }
			} else {
				if ($in{cond} == 1) { $flg = 0; last; }
			}
		}
		next if (!$flg);

		$i++;
		if ($list > 0) {
			next if ($i < $in{pg} + 1);
			next if ($i > $in{pg} + $list);
		}

		push(@log,$_);
	}
	close(IN);

	# 検索結果
	return ($i,@log);
}

#-----------------------------------------------------------
#  留意事項表示
#-----------------------------------------------------------
sub note_page {
	my $ext = $cf{extension};
	$ext =~ s/,/, /g;

	open(IN,"$cf{tmpldir}/note.html") or &error("open err: note.html");
	print "Content-type: text/html\n\n";
	while(<IN>) {
		s/!file!/$ext/g;
		s/!maxdata!/$cf{maxdata}バイト/g;
		s/!max_w!/$cf{max_img_w}/g;
		s/!max_h!/$cf{max_img_h}/g;

		print;
	}
	close(IN);

	exit;
}

#-----------------------------------------------------------
#  アルバム機能
#-----------------------------------------------------------
sub album {
	# ページ数定義
	my $pg = $in{pg} || 0;

	# 画像サイズ再定義
	$cf{max_img_w} = $cf{alb_img_w};
	$cf{max_img_h} = $cf{alb_img_h};

	# テンプレート認識
	open(IN,"$cf{tmpldir}/album.html") or &error("open err: album.html");
	my $tmpl = join('', <IN>);
	close(IN);

	# テンプレート分割
	my ($head,$loop,$foot);
	if ($tmpl =~ /(.+)<!-- photo_begin -->(.+)<!-- photo_end -->(.+)/s) {
		($head,$loop,$foot) = ($1,$2,$3);
	} else {
		&error("テンプレートが不正です");
	}

	# データ読み込み
	my ($i,@img);
	open(IN,"$cf{logfile}") or &error("open err: $cf{logfile}");
	my $top = <IN>;
	while (<IN>) {
		my ($no,$reno,$date,$name,$eml,$sub,$com,$url,$host,$pw,$col,$ex,$w,$h,$chk) = split(/<>/);
		next if ($cf{img_check} && $chk eq '0');
		next if ($ex !~ /(jpg|png|gif)$/);

		$i++;
		next if ($i < $pg + 1);
		next if ($i > $pg + 10);

		# 画像データ収集
		push(@img,"$no\t$sub\t$ex\t$w\t$h");
	}
	close(IN);

	# 繰越ボタン
	$cf{pg_max} *= 2;
	my $page_btn = &make_pgbtn($i, $pg, '&mode=album');

	# 文字置換
	foreach ($head, $foot) {
		s/!([a-z]+_cgi)!/$cf{$1}/g;
		s/!page_btn!/$page_btn/g;
	}

	# 画面展開
	print "Content-type: text/html\n\n";
	print $head;

	foreach (@img) {
		my ($no,$sub,$ex,$w,$h) = split(/\t/);
		my ($w,$h) = &resize($w,$h);

		my $tmp = $loop;
		$tmp =~ s|!image!|<a href="$cf{imgurl}/$no$ex" target="_blank"><img src="$cf{imgurl}/$no$ex" border="0" width="$w" height="$h"></a>|g;
		$tmp =~ s/!caption!/$sub/g;
		print $tmp;
	}

	# フッタ
	&footer($foot);
}

#-----------------------------------------------------------
#  過去ログ画面
#-----------------------------------------------------------
sub past_log {
	# 過去ログ番号
	open(IN,"$cf{nofile}") or &error("open err: $cf{nofile}");
	my $pastnum = <IN>;
	close(IN);

	my $pastnum = sprintf("%04d", $pastnum);
	$in{pno} =~ s/\D//g;
	$in{pno} ||= $pastnum;

	# プルダウンタグ作成
	my $op_pno;
	for ( my $i = $pastnum; $i > 0; $i-- ) {
		$i = sprintf("%04d", $i);

		if ($in{pno} == $i) {
			$op_pno .= qq|<option value="$i" selected>$i\n|;
		} else {
			$op_pno .= qq|<option value="$i">$i\n|;
		}
	}

	# ページ数
	my $pg = $in{pg} || 0;

	# 初期化
	my ($hit,$page_btn,$hit,@log,%res);

	# 対象ログ定義
	my $file = "$cf{pastdir}/" . sprintf("%04d", $in{pno}) . ".cgi";

	# ワード検索
	if ($in{find} && $in{word} ne '') {
		# 検索
		Jcode::convert(\$in{word}, 'sjis');
		($hit, @log) = &search($file, $in{list}, 'past');

		# 結果
		$page_btn = "検索結果：<b>$hit</b>件 &nbsp;&nbsp;" . &pgbtn_old($hit, $in{pno}, $pg, $in{list}, 'find');

	# ログ一覧
	} else {
		my $pg_max = $cf{pg_max} * 2;

		# 過去ログオープン
		my $i = 0;
		open(IN,"$file") or &error("open err: $file");
		while(<IN>) {
			my ($no,$reno,$date,$nam,$eml,$sub,$com,$url,$hos,$pw,$col,$ext,$w,$h,$chk) = split(/<>/);

			++$i if ($reno eq '');
			next if ($i < $pg + 1);
			next if ($i > $pg + $pg_max);

			if ($reno) {
				$res{$reno} .= "$reno<>$date<>$nam<>$eml<>$sub<>$com<>$url<>$col\0";
				next;
			}
			push(@log,$_);
		}
		close(IN);

		# 繰越ボタン作成
		$page_btn = &pgbtn_old($i, $in{pno}, $pg, $pg_max);
	}

	# プルダウン作成（検索条件）
	my %op = &make_op;

	# テンプレート読み込み
	open(IN,"$cf{tmpldir}/past.html") or &error("open err: past.html");
	my $tmpl = join('', <IN>);
	close(IN);

	open(IN,"$cf{tmpldir}/res.html") or &error("open err: res.html");
	my $restmpl = join('', <IN>);
	close(IN);

	# テンプレート分割
	$tmpl =~ /(.+)<!-- loop_begin -->(.+)<!-- loop_end -->(.+)/s;
	my ($head, $loop, $foot) = ($1, $2, $3);

	if ($in{change}) { $in{word} = ''; }

	my @col = split(/\s+/, $cf{colors});

	# 文字置換
	foreach ($head, $foot) {
		s/!past_num!/$in{pno}/g;
		s/!bbs_url!//g;
		s/!([a-z]+_cgi)!/$cf{$1}/g;
		s/<!-- op_pno -->/$op_pno/g;
		s/<!-- op_(\w+) -->/$op{$1}/g;
		s/!word!/$in{word}/g;
		s/!page_btn!/$page_btn/g;
	}

	# 画面表示
	print "Content-type: text/html\n\n";
	print $head;

	foreach (@log) {
		my ($no,$reno,$date,$nam,$eml,$sub,$com,$url,$hos,$pw,$col,$ext,$w,$h,$chk) = split(/<>/);
		$nam = qq|<a href="mailto:$eml">$nam</a>| if ($eml);
		$com = &autolink($com) if ($cf{autolink});
		$url = qq|<a href="$url" target="_blank">$url</a>| if ($url);

		# レス
		my $res;
		foreach my $log ( split(/\0/, $res{$no}) ) {
			my ($reno,$date,$nam,$eml,$sub,$com,$url,$col) = split(/<>/, $log);
			$nam = qq|<a href="mailto:$eml">$nam</a>| if ($eml);
			$com = &autolink($com) if ($cf{autolink});
			$url = qq|<a href="$url" target="_blank"><img src="$cf{ico_home}" class="icon"></a>| if ($url);

			my $tmp = $restmpl;
			$tmp =~ s/!sub!/$sub/g;
			$tmp =~ s/!name!/$nam/g;
			$tmp =~ s/!date!/$date/g;
			$tmp =~ s/!url!/$url/g;
			$tmp =~ s/!num!/$reno/g;
			$tmp =~ s/!comment!/<span style="color:$col[$col]">$com<\/span>/g;
			$res .= $tmp;
		}

		my $tmp = $loop;
		$tmp =~ s/!sub!/$sub/g;
		$tmp =~ s/!date!/$date/g;
		$tmp =~ s/!name!/$nam/g;
		$tmp =~ s/!url!/$url/g;
		$tmp =~ s/!comment!/$com/g;
		$tmp =~ s/<!-- res -->/<blockquote>$res<\/blockquote>/g if ($res);

		print $tmp;
	}

	# フッタ
	&footer($foot);
}

#-----------------------------------------------------------
#  URLエンコード
#-----------------------------------------------------------
sub url_enc {
	local($_) = @_;

	s/(\W)/'%' . unpack('H2', $1)/eg;
	s/\s/+/g;
	$_;
}

#-----------------------------------------------------------
#  繰越ボタン作成 [ 過去ログ ]
#-----------------------------------------------------------
sub pgbtn_old {
	my ($i,$pno,$pg,$list,$stat) = @_;

	# ページ繰越定義
	my $next = $pg + $list;
	my $back = $pg - $list;

	my $link;
	if ($stat eq 'find') {
		my $wd = &url_enc($in{word});
		$link = "$cf{bbs_cgi}?mode=$in{mode}&pno=$pno&find=1&word=$wd&list=$list";
	} else {
		$link = "$cf{bbs_cgi}?mode=$in{mode}&pno=$pno";
	}

	# ページ繰越ボタン作成
	my $pg_btn;
	if ($back >= 0 || $next < $i) {
		$pg_btn .= "Page: ";

		my ($x, $y) = (1, 0);
		while ($i > 0) {
			if ($pg == $y) {
				$pg_btn .= qq(| <b>$x</b> );
			} else {
				$pg_btn .= qq(| <a href="$link&pg=$y">$x</a> );
			}
			$x++;
			$y += $list;
			$i -= $list;
		}
		$pg_btn .= "|";
	}
	return $pg_btn;
}

#-----------------------------------------------------------
#  プルダウン作成 [ 検索条件 ]
#-----------------------------------------------------------
sub make_op {
	my %op;
	my %cond = (1 => 'AND', 0 => 'OR');
	foreach (1,0) {
		if ($in{cond} eq $_) {
			$op{cond} .= qq|<option value="$_" selected>$cond{$_}\n|;
		} else {
			$op{cond} .= qq|<option value="$_">$cond{$_}\n|;
		}
	}
	for ( my $i = 10; $i <= 30; $i += 5 ) {
		if ($in{list} == $i) {
			$op{list} .= qq|<option value="$i" selected>$i件\n|;
		} else {
			$op{list} .= qq|<option value="$i">$i件\n|;
		}
	}
	return %op;
}

#-----------------------------------------------------------
#  カウンタ処理
#-----------------------------------------------------------
sub counter {
	# IP取得
	my $addr = $ENV{REMOTE_ADDR};

	# 閲覧時のみカウントアップ
	my $cntup;
	if ($in{mode} eq '') { $cntup = 1; } else { $cntup = 0; }

	# カウントファイルを読みこみ
	open(LOG,"+< $cf{cntfile}") or &error("open err: $cf{cntfile}");
	eval "flock(LOG, 2);";
	my $count = <LOG>;

	# IPチェックとログ破損チェック
	my ($cnt, $ip) = split(/:/, $count);
	if ($addr eq $ip || $cnt eq "") { $cntup = 0; }

	# カウントアップ
	if ($cntup) {
		$cnt++;
		seek(LOG, 0, 0);
		print LOG "$cnt:$addr";
		truncate(LOG, tell(LOG));
	}
	close(LOG);

	# 桁数調整
	while(length($cnt) < $cf{mini_fig}) { $cnt = '0' . $cnt; }
	my @cnts = split(//, $cnt);

	# GIFカウンタ表示
	my $counter;
	if ($cf{counter} == 2) {
		foreach (0 .. $#cnts) {
			$counter .= qq|<img src="$cf{gif_path}/$cnts[$_].gif\" alt="$cnts[$_]">|;
		}

	# テキストカウンタ表示
	} else {
		$counter = qq|<span style="color:$cf{cntcol};font-family:Verdana,Helvetica,Arial">$cnt</span>\n|;
	}
	return $counter;
}

#-----------------------------------------------------------
#  自動リンク
#-----------------------------------------------------------
sub autolink {
	local($_) = shift;

	s|(s?https?://[\w-.!~*'();/?:\@&=+\$,%#]+)|<a href="$1" target="_blank">$1</a>|g;
	$_;
}

#-----------------------------------------------------------
#  フッター
#-----------------------------------------------------------
sub footer {
	my $foot = shift;

	# 著作権表記（削除・改変禁止）
	my $copy = <<EOM;
<p style="margin-top:2.5em;text-align:center;font-family:Verdana,Helvetica,Arial;font-size:10px;">
- <a href="http://www.kent-web.com/" target="_top">Joyful Note</a> -
</p>
EOM

	if ($foot =~ /(.+)(<\/body[^>]*>.*)/si) {
		print "$1$copy$2\n";
	} else {
		print "$foot$copy\n";
		print "</body></html>\n";
	}
	exit;
}

#-----------------------------------------------------------
#  繰越ボタン作成
#-----------------------------------------------------------
sub make_pgbtn {
	my ($i,$pg,$stat) = @_;

	# ページ繰越定義
	my $next = $pg + $cf{pg_max};
	my $back = $pg - $cf{pg_max};

	# ページ繰越ボタン作成
	my $pg_btn;
	if ($back >= 0 || $next < $i) {
		$pg_btn .= "Page: ";

		my ($x, $y) = (1, 0);
		while ($i > 0) {
			if ($pg == $y) {
				$pg_btn .= qq(| <b>$x</b> );
			} else {
				$pg_btn .= qq(| <a href="$cf{bbs_cgi}?pg=$y$stat">$x</a> );
			}
			$x++;
			$y += $cf{pg_max};
			$i -= $cf{pg_max};
		}
		$pg_btn .= "|";
	}
	return $pg_btn;
}

#-----------------------------------------------------------
#  クッキー取得
#-----------------------------------------------------------
sub get_cookie {
	# クッキー取得
	my $cook = $ENV{HTTP_COOKIE};

	# 該当IDを取り出す
	my %cook;
	foreach ( split(/;/, $cook) ) {
		my ($key,$val) = split(/=/);
		$key =~ s/\s//g;
		$cook{$key} = $val;
	}

	# URLデコード
	my @cook;
	foreach ( split(/<>/, $cook{$cf{cookie_id}}) ) {
		s/%([0-9A-Fa-f][0-9A-Fa-f])/pack("H2", $1)/eg;
		s/[&"'<>]//g;

		push(@cook,$_);
	}
	return @cook;
}

#-----------------------------------------------------------
#  画像リサイズ
#-----------------------------------------------------------
sub resize {
	my ($w,$h) = @_;

	# 画像表示縮小
	if ($w > $cf{max_img_w} || $h > $cf{max_img_h}) {
		my $w2 = $cf{max_img_w} / $w;
		my $h2 = $cf{max_img_h} / $h;
		my $key;
		if ($w2 < $h2) { $key = $w2; } else { $key = $h2; }
		$w = int ($w * $key) || 1;
		$h = int ($h * $key) || 1;
	}
	return ($w,$h);
}

#-----------------------------------------------------------
#  添付リンク
#-----------------------------------------------------------
sub attach {
	my ($com,$ex,$w,$h) = @_;

	if ($ex eq 'hide') {
		$com .= qq|<p>[添付]: 認証待ち</p>|;
	} elsif ($ex =~ /(jpg|png|gif)$/) {
		# リサイズ
		my ($w,$h) = &resize($w,$h);

		# 画像はコメントの下
		if ($cf{image_position} == 1) {
			$com .= qq|<p><a href="$cf{imgurl}/$ex" target="_blank"><img src="$cf{imgurl}/$ex" width="$w" height="$h" border="0"></a></p>|;
		# 画像はコメントの左（廻り込み）
		} else {
			$com = qq|<a href="$cf{imgurl}/$ex" target="_blank"><img src="$cf{imgurl}/$ex" width="$w" height="$h" border="0" align="left"></a>$com<br clear="all">|;
		}
	} else {
		my $size = -s "$cf{imgdir}/$ex" || 0;
		$com .= qq|<p>[<a href="$cf{imgurl}/$ex" target="_blank">添付</a>]: $size bytes</p>|;
	}
	return $com;
}