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#!/usr/bin/perl -w
# This code is a part of Slash, and is released under the GPL.
# Copyright 1997-2001 by Open Source Development Network. See README
# and COPYING for more information, or see http://slashcode.com/.
# $Id$

# This is the uber install script.
# -Brian (brian@tangent.org)

use strict;
use File::Basename;
use FindBin '$Bin';
use Getopt::Std;
use File::Copy;
use File::Find;
use File::Path;
use File::Spec::Functions;
use Slash;
use Slash::DB;
use Slash::Install;

use vars qw(
$dirname
);

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

my %opts;
# Remember to doublecheck these match usage()!
usage('Options used incorrectly') unless getopts('hvu:a:e:g:o:p:n:H:L:T:P:R', \%opts);
usage() if !$opts{'u'} and ($opts{'h'} or !keys %opts);
# if invoked with both -u and -h, call usage() later, after we load Slash::Install
version() if $opts{'v'};

$| = 1;

my $prefix_site = "$PREFIX/site";
my( $owner, $owner_id, $group, $group_id, $password,
$sitename, $username, $realname, $email, $dbh, @create, $sql,
@sql, $hostname, $hostname_f, $host_noport, $httpd, %slash_sites,
$driver, $theme, $symlink
);

my %drivers = (
Pg => 'postgresql',
mysql => 'mysql',
Oracle => 'oracle'
);

unless (DBIx::Password::checkVirtualUser($opts{'u'})) {
print "You did not supply a valid DBIx::Password virtual name.\n";
exit;
}

$driver = $drivers{DBIx::Password::getDriver($opts{'u'})};
my $install = Slash::Install->new($opts{'u'});

usage() if $opts{'u'} and $opts{'h'};

eval { require DBIx::Password };

if ($@) {
print "Doesn't look like you have DBIx::Password installed.\n";
print "Run the CPAN tool and install DBIx::Password.\n";
exit;
}

eval { require Template };

if ($@) {
print <<'EOT';
Doesn't look like you have Bundle::Slash installed.
Run the CPAN tool and install Bundle::Slash. See
INSTALL for more information.
EOT
exit;
}

$dbh = DBIx::Password->connect($opts{'u'});

unless ($dbh) {
print "Are you sure the database is up and running?\n";
exit;
}

END { $dbh->disconnect if $dbh }

# THIS IS DANGEROUS ... when run as root on a non-GNU
# system, it can blank out the hostname entirely
chomp($hostname_f = `hostname -f`);
unless ($opts{'H'}) {
print "
What is hostname of your Slash site
(e.g., www.slashdot.org)? [$hostname_f] ";
chomp($hostname = <STDIN>);
$hostname ||= $hostname_f;
} else {
$hostname = $opts{'H'};
}
($host_noport = $hostname) =~ s/:.+$//;

unless ($opts{'o'}) {
print "\nWhat user would you like to run your Slash site as? [nobody] ";
chomp($owner = <STDIN>);
$owner ||= 'nobody';
} else {
$owner = $opts{'o'};
}
$owner_id = getpwnam($owner);
die "$owner is not a valid user name.\n" unless defined $owner_id;

unless ($opts{'g'}) {
my $tmpgroup = getgrgid($owner_id);
$tmpgroup = defined($tmpgroup) ? $tmpgroup : 'nobody';
print "\nWhat group would you like to run your Slash site under? [$tmpgroup] ";
chomp($group = <STDIN>);
$group ||= $tmpgroup;
} else {
$group = $opts{'g'};
}
$group_id = getgrnam($group);
die "$group is not a valid group name.\n" unless defined $group_id;

if ($opts{'R'}) {
$sitename = $host_noport;
} else {
unless ($opts{'n'}) {
print "
OK, I am planning on user $host_noport as the unique name
for the Slash site. If this is not ok, you need to fill in
something else here. [$host_noport] ";
chomp($sitename = <STDIN>);
$sitename ||= $host_noport;
} else {
$sitename = $opts{'n'};
}
}

# themes
my $x;
#---------------------------------------------------
$theme = 0;
my $theme_num = 0;
my $themes = $install->getThemeList($PREFIX);
if ($opts{'T'}) {
$theme = $opts{'T'};
if (!exists $themes->{$theme}) {
print "Error: the theme you specified on the command line, '$theme', does not exist. (Note: case matters.)\n";
$theme = '';
} else {
$theme_num = $themes->{$theme}{order};
}
}
if (!$theme) {
print "\nWhich theme do you want to use?\n";
for (sort keys %$themes) {
if ((keys %$themes) > 1) {
print "( )$themes->{$_}{'order'}.\t$_ $themes->{$_}{'description'}\n";
} else {
print "(*)$themes->{$_}{'order'}.\t$_ $themes->{$_}{'description'}\n";
}
}
if ((keys %$themes) > 1) {
chomp($theme_num = <STDIN>);
$theme_num ||= '1';
} else {
print "\nSkipping theme select since you only have one theme!\n";
$theme_num = '1';
}

for (keys %$themes) {
if ($themes->{$_}{order} == $theme_num) {
$theme = $_;
}
}
}
print "Theme selected: $theme\n";

#---------------------------------------------------
my $plugins = $install->getPluginList($PREFIX);
my @plugins = ( );
if ($opts{'P'}) {
@plugins = grep { exists $plugins->{$_} }
split /\s*,\s*/, $opts{'P'};
} else {
my @default_plugins = ( );
my %order_to_name = ( );
print "\nPlease select which plugins you would like ('*' marks default).\n";
for my $key (sort keys %$plugins) {
my $c = " ";
if ($themes->{$theme}{plugin}{$plugins->{$key}{name}}) {
$c = "*";
push @default_plugins, $key;
}
print "($c) $plugins->{$key}{order}. $key - $plugins->{$key}{description}\n";
$order_to_name{$plugins->{$key}{order}} = $key;
}
my $select = 'a';
print "Hit 'a' to select all, otherwise select comma separated numbers or 'q' to quit\n";
while ($select ne 'q'){
chomp($select = <STDIN>);
if ($select =~ /^[\d ,]+$/) {
$select =~ s/ +//g;
@default_plugins = ( );
@plugins = grep { $_ } map { $order_to_name{$_} } split /,/, $select;
last;
} elsif ($select eq 'a') {
@plugins = map { $plugins->{$_}{name} } sort keys %$plugins;
last;
}
}
push @plugins, @default_plugins if @default_plugins;
}
# Zero out the list of plugins
%{$themes->{$theme}{plugin}} = ( );
# Add back in the ones just selected
for my $plugin (@plugins) {
if ($plugins->{$plugin}) {
$themes->{$theme}{plugin}{$plugin} = 1;
}
}
# Show the user what was picked
print "Plugins selected: " . join(" ", sort keys %{$themes->{$theme}{plugin}}) . "\n\n";


if ($opts{'L'}) {
$symlink = $opts{'L'} =~ /^n/i ? 0 : 1;
} else {
print "
Would you like to install all the files as symlinks
to the original? (If not, each file will be copied to
your Slash directories). [Y] ";
chomp(my $ans = <STDIN>);
$ans ||= 'Y';
$symlink = $ans =~ /^\s*[Yy]/;
}


unless ($opts{'a'}) {
print "
Create a name for the site's admin account (8 characters
or less). [$owner] ";
chomp($username = <STDIN>);
$username ||= $owner;
} else {
$username = $opts{'a'};
}

unless ($opts{'p'}) {
do {
print "\nCreate a password for the site's admin account. ('QUIT' exits):";
chomp($password = <STDIN>);
die "Cancelled at user request.\n" if $password eq 'QUIT';
print "\nYou need to give us a password.\n" unless $password;
} until $password;
} else {
$password = $opts{'p'};
}
die "You need to give us a password.\n" unless $password;

unless ($opts{'e'}) {
print "\nWhat is the email address of the account? [$username\@$host_noport] ";
chomp($email = <STDIN>);
$email ||= "$username\@$host_noport";
} else {
$email = $opts{'e'};
}

my $trgst = '';

# Dump in the schema then pepper with a trace of your own theme
my $create = gensym;
open($create, "< $PREFIX/sql/$driver/schema.sql\0")
or die "Can't open $PREFIX/sql/$driver/schema.sql: $!";
while (<$create>) {
# ugly-as-hell hack to keep Oracle trigger code from getting munged
# the syntax is sensitive plus there *has* to be a semicolon at the end
# (yes, one that gets passed in the statement, not the EOS delimiter!)
if ($driver eq 'oracle' and (/^CREATE OR REPLACE TRIGGER/ or $trgst)) {
$trgst .= $_;
next unless /^END;$/;
$trgst =~ s/;/#/g;
$_ = "$trgst;";
$trgst = '';
}
chomp;
next if /^#/;
next if /^$/;
next if /^ $/;
push @create, $_;
}
close $create;

$sql = join '', @create;
@sql = split /;/, $sql;

# again with the oracle trigger thing hacking
if ($driver eq 'oracle') {
for (@sql) {
s/#/;/g if /^CREATE OR REPLACE TRIGGER/;
}
}

my $dump = gensym;
open($dump, "< $PREFIX/sql/$driver/defaults.sql\0")
or die "Can't open $PREFIX/sql/$driver/defaults.sql: $!";
while (<$dump>) {
next unless /^INSERT/;
chomp;
s/;$//;
s/www\.example\.com/$hostname/g;
s/admin\@example\.com/$email/g;
if ($driver eq 'oracle') {
# With this we can almost use the MySQL dump verbatim
# Of course, MySQL could have just compiled with SQL-92, too
s/\\r/\r/g;
s/\\n/\n/g;
s/\\'/''/g;
s/\\(["\\])/$1/g;
}
push @sql, $_;
}

close $dump;
for my $cmd (@sql) {
next unless $cmd;
my $rows_affected = $dbh->do($cmd);
if (!$rows_affected) {
# It's very bad if a CREATE TABLE does nothing.
if ($cmd =~ /^CREATE TABLE/) {
die <<EOT;
The CREATE TABLE command below failed. This almost certainly means
the rest of the slashsite installation will fail, so we're aborting.
This is probably because your SQL user associated with your
DBIx::Password user '$opts{u}' lacks CREATE and/or DROP permissions.
Fix this, or whatever the problem is, and rerun $PROGNAME.
Failed command: $cmd
EOT
}
# It's OK if a DROP TABLE does nothing, that just means
# the table wasn't there to begin with.
print "Failed on '$cmd'\n" unless $cmd =~ /^DROP TABLE/;
}
}

mkpath "$prefix_site/$sitename", 0, 0775;
mkpath "$prefix_site/$sitename/logs", 0, 0775;
mkpath "$prefix_site/$sitename/htdocs", 0, 0775;
mkpath "$prefix_site/$sitename/htdocs/images", 0, 0775;
mkpath "$prefix_site/$sitename/htdocs/images/topics", 0, 0775;
mkpath "$prefix_site/$sitename/backups", 0, 0775;
mkpath "$prefix_site/$sitename/sbin", 0, 0775;
mkpath "$prefix_site/$sitename/tasks", 0, 0775;
mkpath "$prefix_site/$sitename/misc", 0, 0775;

my $slashdb = Slash::DB->new($opts{'u'});

my $time = localtime();
$install->create({ name => 'installed', value => $time});
$install->create({ name => 'admin', value => $username});
$install->create({ name => 'adminmail', value => $email});
$install->create({ name => 'owner', value => $owner});
$install->create({ name => 'owner_id', value => $owner_id});
$install->create({ name => 'group', value => $group});
$install->create({ name => 'group_id', value => $group_id});
$install->create({ name => 'siteid', value => $sitename});
$install->create({ name => 'basedomain', value => $hostname});
$install->create({ name => 'driver', value => $driver});
$install->create({ name => 'base_install_directory', value => $PREFIX});
$install->create({ name => 'site_install_directory', value => "$prefix_site/$sitename"});
$install->create({ name => 'db_driver', value => "$driver"});

#$install->installPlugins(\@plugins, 0, $symlink);
$install->installTheme($theme, 0, $symlink);

my $uid = $slashdb->createUser($username, $email, $username);
$slashdb->setUser($uid, {
passwd => $password,
author => 1,
seclev => 10000
});

# Now, lets update slash.sites
my $sites = gensym;
if (open($sites, "< $PREFIX/slash.sites\0")) {
while (<$sites>) {
chomp;
my($dbuser) = split /:/;
$slash_sites{$dbuser} = 1;
}
close $sites;
}

unless (exists $slash_sites{$opts{'u'}}) {
open($sites, ">> $PREFIX/slash.sites\0")
or die "Can't append to $PREFIX/slash.sites: $!";
print $sites "$opts{'u'}:$owner:$sitename\n";
close $sites;
}

find(sub { chown $owner_id, $group_id, $_ unless -l $_ }, "$prefix_site/$sitename");

# Install spamarmors for a given site. This can be recoded/moved/whatever
# if this code is inappropriate, for whatever reason.
system("$PREFIX/bin/reload_armor -u $opts{'u'} -q");
apache_site_conf();

$dbh->do("UPDATE vars SET value = " . $dbh->quote("$prefix_site/$sitename/logs") . " WHERE name = 'logdir'");
$dbh->do("UPDATE vars SET value = " . $dbh->quote("$prefix_site/$sitename/htdocs") . " WHERE name = 'basedir'");
$dbh->do("UPDATE vars SET value = " . $dbh->quote("$prefix_site/$sitename") . " WHERE name = 'datadir'");
$dbh->do("UPDATE vars SET value = " . $dbh->quote($sitename) . " WHERE name = 'siteid'");
$slashdb->createAuthorCache();

$dbh->disconnect;
install_message();

sub apache_site_conf {
my $host_port = $hostname;
$host_port .= ":80" unless $host_port =~ /:/;
my $text = qq|
# note that if your site's path is a symlink, the
# path listed here is most likely the actual path;
# fix it and DocumentRoot if you want to
<Directory $prefix_site/$sitename/htdocs>
Options FollowSymLinks ExecCGI Includes Indexes
AllowOverride None
Order allow,deny
Allow from all
</Directory>

<VirtualHost $host_port>
ServerAdmin $email
DocumentRoot $prefix_site/$sitename/htdocs
ServerName $host_noport
ErrorLog logs/${sitename}_error_log
CustomLog logs/${sitename}_access_log common

PerlSetupEnv On
PerlSetEnv TZ GMT

SlashVirtualUser $opts{'u'}

# this directive will compile all the templates
# in the database, if cache_enabled is true
# and template_cache_size is 0. Set to On/Off.
# Default is off since most sites don't need it
# much and startup performance, as well as
# memory usage, degrades when it is On.
SlashCompileTemplates Off
PerlAccessHandler Slash::Apache::User
PerlCleanupHandler Slash::Apache::Log
PerlCleanupHandler Slash::Apache::Log::UserLog

# this directive will redirect non-logged-in users to
# index.shtml if they request the home page; turn it
# on to help increase performance
#PerlTransHandler Slash::Apache::IndexHandler

# this directive will enable you to display user's pages
# with /~username
PerlTransHandler Slash::Apache::User::userdir_handler

DirectoryIndex index.pl index.shtml
ErrorDocument 404 /404.pl

AddType text/xml .rdf
AddType text/xml .rss
AddType text/xml .xml
AddType text/xml .wml

AddType text/html .shtml
AddHandler server-parsed .shtml

AddType text/html .inc
AddHandler server-parsed .inc
</VirtualHost>
|;
my $file = "$prefix_site/$sitename/$sitename.conf";
my $fh = gensym;

open($fh, ">$file\0") or die "Can't write to $file: $!";
print $fh $text;
close $fh;

open($fh, "< $PREFIX/httpd/slash.conf\0")
or die "Can't write to $PREFIX/httpd/slash.conf: $!";

unless (grep /^(?:#\s*)?Include $file$/, <$fh>) {
close $fh;
open($fh, ">> $PREFIX/httpd/slash.conf\0")
or die "Can't open $PREFIX/httpd/slash.conf: $!";
print $fh "Include $file\n";
}
close $fh;
}

sub install_message {
my $text = qq|


Unless any errors reported themself during the install you should now
have a slashsite. You will either need to edit your httpd.conf file
unless you are have Slash handle it. The correct syntax can be found in:

$prefix_site/$sitename/$sitename.conf

You may want to take a look at it. If you are using virtual hosting by
hostname you may also need to add a NameVirtualHost to your httpd.conf.

If you do not have your Slash site in the root of the web server (e.g.,
"http://www.example.com/mysite/" instead of "http://mysite.example.com/"),
you will need to adjust the rootdir, rdfimage, imagedir, absolutedir,
and cookiepath variables, as you also need to change your Apache config
appropriately. These are all in the "vars" table of your database.

To restart apache do:

apachectl stop
apachectl start

Have fun with your new site. You should also consider registering it:

http://slashcode.com/sites.shtml


|;
print $text
}

sub usage {
print "*** $_[0]\n" if $_[0];

# Generate a sample list of plugins which just happens to be
# the default list for the first theme.
my $sample_plugins = '';
my $install = Slash::Install->new('slash') unless $install;
if ($install) {
my $plugins = $install->getPluginList($PREFIX);
my $themes = $install->getThemeList($PREFIX);
my $theme = (sort keys %$themes)[0];
$sample_plugins = join(",", sort keys %{$themes->{$theme}{plugin}});
}
$sample_plugins = ", e.g.:\n\t\t\t-P$sample_plugins" if $sample_plugins;

# Remember to doublecheck these match getopts()!
print <<EOT;

Usage: $PROGNAME [OPTIONS]

This will create a new Slash site. You must provide a virtual
user, which has already been set up in DBIx::Password, and the
target database must already exist and be accessible by the
given virtual user.

Main options:
-h Help (this message)
-v Version
-u Virtual user

Site options:
-H Hostname
-n Site name
-R Reuse hostname as site name (boolean)
-L Install files in htdocs/ and tasks/ using symlinks [y/n]
-P Comma-separated list of plugin names$sample_plugins

User options:
-a Admin name
-e Admin email
-p Admin password
-o Installation owner
-g Installation group

EOT
exit;
}

sub version {
print <<EOT;

$PROGNAME $VERSION

This code is a part of Slash, and is released under the GPL.
Copyright 1997-2001 by Open Source Development Network. See README
and COPYING for more information, or see http://slashcode.com/.

EOT
exit;
}

__END__
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