Koha/Config.pm

   1 package Koha::Config;
   2
   3 use Modern::Perl;
   4 use XML::Simple;
   5
   6 # Default config file, if none is specified
   7 use constant CONFIG_FNAME => "/etc/koha/koha-conf.xml";
   8
   9 # path to config file set by installer
  10 # __KOHA_CONF_DIR__ is set by rewrite-confg.PL
  11 # when Koha is installed in 'standard' or 'single'
  12 # mode.  If Koha was installed in 'dev' mode,
  13 # __KOHA_CONF_DIR__ is *not* rewritten; instead
  14 # developers should set the KOHA_CONF environment variable
  15 my $INSTALLED_CONFIG_FNAME = '__KOHA_CONF_DIR__/koha-conf.xml';
  16
  17 # Should not be called outside of C4::Context or Koha::Cache
  18 # use C4::Context->config instead
  19 sub read_from_file {
  20     my ( $class, $file ) = @_;
  21     return XMLin($file, keyattr => ['id'], forcearray => ['listen', 'server', 'serverinfo'], suppressempty => '');
  22 }
  23
  24 # Koha's main configuration file koha-conf.xml
  25 # is searched for according to this priority list:
  26 #
  27 # 1. Path supplied via use C4::Context '/path/to/koha-conf.xml'
  28 # 2. Path supplied in KOHA_CONF environment variable.
  29 # 3. Path supplied in INSTALLED_CONFIG_FNAME, as long
  30 #    as value has changed from its default of
  31 #    '__KOHA_CONF_DIR__/koha-conf.xml', as happens
  32 #    when Koha is installed in 'standard' or 'single'
  33 #    mode.
  34 # 4. Path supplied in CONFIG_FNAME.
  35 #
  36 # The first entry that refers to a readable file is used.
  37
  38 sub guess_koha_conf {
  39
  40     # If the $KOHA_CONF environment variable is set, use
  41     # that. Otherwise, use the built-in default.
  42     my $conf_fname;
  43     if ( exists $ENV{"KOHA_CONF"} and $ENV{'KOHA_CONF'} and -s $ENV{"KOHA_CONF"} ) {
  44         $conf_fname = $ENV{"KOHA_CONF"};
  45     } elsif ( $INSTALLED_CONFIG_FNAME !~ /__KOHA_CONF_DIR/ and -s $INSTALLED_CONFIG_FNAME ) {
  46         # NOTE: be careful -- don't change __KOHA_CONF_DIR in the above
  47         # regex to anything else -- don't want installer to rewrite it
  48         $conf_fname = $INSTALLED_CONFIG_FNAME;
  49     } elsif ( -s CONFIG_FNAME ) {
  50         $conf_fname = CONFIG_FNAME;
  51     }
  52     return $conf_fname;
  53 }
  54
  55 1;