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|
#!/usr/bin/perl -w
# Postinst script for Dokuwiki.
# Based on postinst for PHPWiki written by Matthew Palmer.
use strict;
use Debconf::Client::ConfModule ':all';
# List of supported webservers
my @webserver = ('apache', 'apache2', 'apache-ssl', 'apache-perl');
if ($ARGV[0] eq "configure") {
if ($ARGV[1] eq '' || $ARGV[1] eq '<>')
{
}
# Create initial changelog if one does not exist
if (! -e "/var/lib/dokuwiki/data/changes.log") {
open(TMP, "> /var/lib/dokuwiki/data/changes.log")
or die("Could not create /var/lib/dokuwiki/data/changes.log");
close(TMP);
}
# Set appropriate ownership and mode for changelog
my $wwwuid = getpwnam("www-data");
my $rootuid = getpwnam("root");
chown $wwwuid, $rootuid, "/var/lib/dokuwiki/data/changes.log"
or die "Could not change ownership for /var/lib/dokuwiki/data/changes.log";
chmod 0664, "/var/lib/dokuwiki/data/changes.log"
or die "Could not change mode for /var/lib/dokuwiki/data/changes.log";
write_apache_conf();
setup_acl();
configure_webservers();
# has not to be done in postinst
#restart_webservers();
}
# Dirty hack of the year to fix a possible Perl 5.8 bug (for #163380)
system('true');
# Create an apache configuration file for dokuwiki
sub write_apache_conf
{
my $apacheconf = `tempfile`;
chomp($apacheconf);
open(CONF, "> $apacheconf")
or die("Can't open $apacheconf: $!\n");
# Get config options
my @ret = get("dokuwiki/system/documentroot");
if ($ret[0] != 0) {
die "Failed to get config item dokuwiki/system/documentroot: ".$ret[1]."\n";
}
my $docroot = $ret[1];
print CONF "Alias $docroot /usr/share/dokuwiki\n";
# Print directory options for /usr/share/dokuwiki
print CONF "<Directory /usr/share/dokuwiki/>\n";
print CONF " Options +FollowSymLinks\n";
print CONF " AllowOverride All\n";
print CONF " order allow,deny\n";
@ret = get("dokuwiki/system/accessible");
if ($ret[0] != 0) {
die "Failed to get config item dokuwiki/system/accessible: $ret[1]\n";
}
# Globally accessible
if ($ret[1] eq "global") {
print CONF " allow from all\n";
# Access only from localhost
} elsif ($ret[1] eq "localhost only") {
print CONF " allow from 127.0.0.1\n";
# Access from localnet
} else {
@ret = get("dokuwiki/system/localnet");
if ($ret[0] != 0) {
die "Failed to get config item dokuwiki/system/localnet: $ret[1]\n";
}
print CONF " allow from 127.0.0.1\n";
print CONF " allow from $ret[1]\n";
}
print CONF "</Directory>\n";
close CONF;
`/usr/bin/ucf $apacheconf /etc/dokuwiki/apache.conf < /dev/tty > /dev/tty`;
# Remove temporary file
unlink $apacheconf;
chmod(0664, "/etc/dokuwiki/apache.conf")
or die("Could not set mode for /etc/dokuwiki/apache.conf");
}
# Add a configuration file and restart the http server(s)
sub configure_webservers
{
# Should not be done in postinst
# foreach (@webserver) {
#
# if (-e "/etc/$_/conf.d/dokuwiki.conf") {
# unlink "/etc/$_/conf.d/dokuwiki.conf"
# or warn "Could not remove /etc/$_/conf.d/dokuwiki.conf";
# }
# }
# Get list of servers to install into
my @dwserver = split(", ", get("dokuwiki/webservers"));
foreach (@dwserver)
{
print STDERR "Installing into... [$_] \n";
my $dir = "/etc/$_";
# Skip servers with no configuration
if (! -d $dir)
{
next;
}
# Link the apache configuration file to the server's
# conf.d directory
if (! -f "$dir/conf.d/dokuwiki.conf") {
symlink('/etc/dokuwiki/apache.conf', "$dir/conf.d/dokuwiki.conf")
or die("Failed to link configuration file to $dir/conf.d/dokuwiki.conf\n");
}
chmod(0644, "/etc/dokuwiki/apache.conf")
or die("Failed to set permissions for /etc/dokuwiki/apache.conf\n");
}
}
# Restart the webservers after the reconfiguration
sub restart_webservers
{
foreach (@webserver) {
# If server binary does not exist, move to next one
if (! -x "/usr/sbin/$_")
{
next;
}
# Restart the server either by invoke-rc.d or init.d
if (-x "/usr/sbin/invoke-rc.d")
{
(!system("/usr/sbin/invoke-rc.d $_ restart >/dev/tty 2>&1"))
or warn "Failed to restart $_\n";
}
else
{
if (-x "/etc/init.d/$_") {
(!system("/etc/init.d/$_ restart >/dev/tty 2>&1"))
or warn "Failed to restart $_\n";
}
}
}
}
# Subroutine to set up an initial access control system
sub setup_acl
{
# By default allow everyone read access
if (! -e "/var/lib/dokuwiki/acl/acl.auth.php") {
open(AUTHFILE, "> /var/lib/dokuwiki/acl/acl.auth.php")
or warn("Could not write to /var/lib/dokuwiki/acl/acl.auth.php");
print AUTHFILE '* @ALL 4';
print AUTHFILE "\n";
close AUTHFILE;
my $wwwuid = getpwnam("www-data");
my $rootuid = getpwnam("root");
chown $wwwuid, $rootuid, "/var/lib/dokuwiki/acl/acl.auth.php"
or warn "Could not change owner for /var/lib/dokuwiki/acl/acl.auth.php";
}
if (! -e "/var/lib/dokuwiki/acl/users.auth.php") {
# "touch" user database file
open(USERFILE, "> /var/lib/dokuwiki/acl/users.auth.php")
or warn("Could not write to /var/lib/dokuwiki/acl/users.auth.php");
close USERFILE;
my $wwwuid = getpwnam("www-data");
my $rootuid = getpwnam("root");
chown $wwwuid, $rootuid, "/var/lib/dokuwiki/acl/users.auth.php"
or warn "Could not change ownership for /var/lib/dokuwiki/acl/users.auth.php";
}
}
#DEBHELPER#
|
