138 lines
4.7 KiB
Perl
138 lines
4.7 KiB
Perl
package Koha::Config;
|
|
|
|
# This file is part of Koha.
|
|
#
|
|
# Koha is free software; you can redistribute it and/or modify it
|
|
# under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# Koha is distributed in the hope that it will be useful, but
|
|
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with Koha; if not, see <http://www.gnu.org/licenses>.
|
|
|
|
use Modern::Perl;
|
|
|
|
use XML::LibXML ':libxml';
|
|
|
|
# Default config file, if none is specified
|
|
use constant CONFIG_FNAME => "/etc/koha/koha-conf.xml";
|
|
|
|
# path to config file set by installer
|
|
# __KOHA_CONF_DIR__ is set by rewrite-confg.PL
|
|
# when Koha is installed in 'standard' or 'single'
|
|
# mode. If Koha was installed in 'dev' mode,
|
|
# __KOHA_CONF_DIR__ is *not* rewritten; instead
|
|
# developers should set the KOHA_CONF environment variable
|
|
my $INSTALLED_CONFIG_FNAME = '__KOHA_CONF_DIR__/koha-conf.xml';
|
|
|
|
# Should not be called outside of C4::Context
|
|
# use C4::Context->config instead
|
|
sub read_from_file {
|
|
my ( $class, $file ) = @_;
|
|
|
|
return if not defined $file;
|
|
|
|
my $config = {};
|
|
eval {
|
|
my $dom = XML::LibXML->load_xml(location => $file);
|
|
foreach my $childNode ($dom->documentElement->nonBlankChildNodes) {
|
|
$class->_read_from_dom_node($childNode, $config);
|
|
}
|
|
};
|
|
|
|
if ($@) {
|
|
die "\nError reading file $file.\nTry running this again as the koha instance user (or use the koha-shell command in debian)\n\n";
|
|
}
|
|
|
|
return $config;
|
|
}
|
|
|
|
sub _read_from_dom_node {
|
|
my ($class, $node, $config) = @_;
|
|
|
|
if ($node->nodeType == XML_TEXT_NODE) {
|
|
$config->{content} = $node->textContent;
|
|
} elsif ($node->nodeType == XML_ELEMENT_NODE) {
|
|
my $subconfig = {};
|
|
|
|
foreach my $attribute ($node->attributes) {
|
|
my $key = $attribute->nodeName;
|
|
my $value = $attribute->value;
|
|
$subconfig->{$key} = $value;
|
|
}
|
|
|
|
foreach my $childNode ($node->nonBlankChildNodes) {
|
|
$class->_read_from_dom_node($childNode, $subconfig);
|
|
}
|
|
|
|
my $key = $node->nodeName;
|
|
if ($node->hasAttribute('id')) {
|
|
my $id = $node->getAttribute('id');
|
|
$config->{$key} //= {};
|
|
$config->{$key}->{$id} = $subconfig;
|
|
delete $subconfig->{id};
|
|
} else {
|
|
my @keys = keys %$subconfig;
|
|
if (1 == scalar @keys && $keys[0] eq 'content') {
|
|
# An element with no attributes and no child elements becomes its text content
|
|
$subconfig = $subconfig->{content};
|
|
} elsif (0 == scalar @keys) {
|
|
# An empty element becomes an empty string
|
|
$subconfig = '';
|
|
}
|
|
|
|
if (exists $config->{$key}) {
|
|
unless (ref $config->{$key} eq 'ARRAY') {
|
|
$config->{$key} = [$config->{$key}];
|
|
}
|
|
push @{ $config->{$key} }, $subconfig;
|
|
} else {
|
|
if (grep { $_ eq $key } (qw(listen server serverinfo))) {
|
|
# <listen>, <server> and <serverinfo> are always arrays
|
|
$config->{$key} = [$subconfig];
|
|
} else {
|
|
$config->{$key} = $subconfig;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# Koha's main configuration file koha-conf.xml
|
|
# is searched for according to this priority list:
|
|
#
|
|
# 1. Path supplied via use C4::Context '/path/to/koha-conf.xml'
|
|
# 2. Path supplied in KOHA_CONF environment variable.
|
|
# 3. Path supplied in INSTALLED_CONFIG_FNAME, as long
|
|
# as value has changed from its default of
|
|
# '__KOHA_CONF_DIR__/koha-conf.xml', as happens
|
|
# when Koha is installed in 'standard' or 'single'
|
|
# mode.
|
|
# 4. Path supplied in CONFIG_FNAME.
|
|
#
|
|
# The first entry that refers to a readable file is used.
|
|
|
|
sub guess_koha_conf {
|
|
|
|
# If the $KOHA_CONF environment variable is set, use
|
|
# that. Otherwise, use the built-in default.
|
|
my $conf_fname;
|
|
if ( exists $ENV{"KOHA_CONF"} and $ENV{'KOHA_CONF'} and -s $ENV{"KOHA_CONF"} ) {
|
|
$conf_fname = $ENV{"KOHA_CONF"};
|
|
} elsif ( $INSTALLED_CONFIG_FNAME !~ /__KOHA_CONF_DIR/ and -s $INSTALLED_CONFIG_FNAME ) {
|
|
# NOTE: be careful -- don't change __KOHA_CONF_DIR in the above
|
|
# regex to anything else -- don't want installer to rewrite it
|
|
$conf_fname = $INSTALLED_CONFIG_FNAME;
|
|
} elsif ( -s CONFIG_FNAME ) {
|
|
$conf_fname = CONFIG_FNAME;
|
|
}
|
|
return $conf_fname;
|
|
}
|
|
|
|
1;
|