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#!/usr/bin/perl -w
#
# phpwiki configuration file migration script
#
# Author: Matt Brown <matt@mattb.net.nz>
# Version: $Id: migrate-phpwiki-config 156 2006-05-14 06:09:36Z matt $
#
# Run this script without any arguments for usage information.
#
# This script 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 2 of the License, or
# (at your option) any later version.
#
# PhpWiki 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 PhpWiki; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# Store the values
# In the form $values{$varname} = (value, comment_state)
# Where value is the value in index.php and comment_state indicates
# whether the line was commented or not
%values = ();
# Check we got a template specified on the command line
if ($#ARGV < 0) {
print "\n";
print "Usage: cat index.php | ./migrate-phpwiki-config <config-template.ini>\n\n";
print "Takes an old style (<= 1.3.9) index.php configuration file\n";
print "for phpwiki and outputs a new style (>= 1.3.10) config.ini\n";
print "configuration file for phpwiki based on a supplied template.\n";
print "\n";
print "config-template.ini should be a valid phpwiki config.ini\n";
print "file with each valid directive occuring only once and\n";
print "uncommented. The value of the directive in the template\n";
print "should be set to a default value.\n\n";
print "The values extracted from the old config file will be\n";
print "substituted into this file as necessary. Commented out\n";
print "directives in index.php will remain commented in config.ini\n";
exit 1;
}
# Read in values from index.php which should be piped to stdin
open INDEXPHP, "-";
$epmaj = 0;
$epmin = 0;
while (<INDEXPHP>)
{
$name = "";
# Check if the line starts with a comment (# or / char)
$is_comment = /^[#\/]/;
if (!$is_comment) {
$is_comment = 0;
}
# Process expire parameters
if (/'keep'/) {
($value) = (/'keep'\s*=>\s*(.*)\)/);
if ($epmaj) {
$name = "MAJOR_KEEP";
} elsif ($epmin) {
$name = "MINOR_KEEP";
}
}
$epmaj = 0;
$epmin = 0;
# Skip some known bad options
if (/ALLOW_LDAP_LOGIN/) {
next;
} elsif (/ALLOW_IMAP_LOGIN/) {
next;
# Process defined values
} elsif (/define\s*\(/) {
# Extract the name of the define and the value of it
($name, $value) = (/define\s*\(\s*['"](.*)['"]\s*,\s*['"]*([^'"]*)['"]*\s*\)/);
# Process PHP variable values
} elsif (/HTML_DUMP_SUFFIX\s*=/) {
($name, $value) = (/\$(\w*)\s*=\s*['"](.*)['"];\s*/);
} elsif (/AllowedProtocols\s*=/) {
($value) = (/\$\w*\s*=\s*(.*);\s*/);
$name = "ALLOWED_PROTOCOLS";
} elsif (/InlineImages\s*=/) {
($value) = (/\$\w*\s*=\s*(.*);\s*/);
$name = "INLINE_IMAGES";
} elsif (/WikiNameRegexp\s*=/) {
($value) = (/\$\w*\s*=\s*(.*);\s*/);
$name = "WIKI_NAME_REGEXP";
# Process arrays that need to be converted
} elsif (/GenericPages\s*=/) {
($value) = (/\$\w*\s*=\s*array\((.*)\)/);
$name = "DEFAULT_WIKI_PAGES";
$value =~ s/[" ]//g;
$value =~ s/,/:/g;
$value = "\"$value\""
} elsif (/keywords\s*=/) {
($value) = (/\$\w*\s*=\s*array\((.*)\)/);
$name = "KEYWORDS";
$value =~ s/[" ]//g;
$value =~ s/,/:/g;
$value = "\"$value\""
# Process database paramters
} elsif (/'dbtype'\s*=>/) {
($value) = (/'dbtype'\s*=>\s*['"](.*)['"]/);
$name = "DATABASE_TYPE";
} elsif (/'dsn'\s*=>/) {
($value) = (/'dsn'\s*=>\s*['"](.*)['"]/);
$name = "DATABASE_DSN";
} elsif (/'timeout'\s*=>/) {
($value) = (/'timeout'\s*=>\s*(.*)\s*,/);
$name = "DATABASE_TIMEOUT";
} elsif (/'db_session_table'\s*=>/) {
($value) = (/'db_session_table'\s*=>\s*['"](.*)['"]/);
$name = "DATABASE_SESSION_TABLE";
} elsif (/'prefix'\s*=>/) {
($value) = (/'prefix'\s*=>\s*['"](.*)['"]/);
$name = "DATABASE_PREFIX";
} elsif (/'directory'\s*=>/) {
($value) = (/'directory'\s*=>\s*['"](.*)['"]/);
$name = "DATABASE_DIRECTORY";
} elsif (/'dba_handler'\s*=>/) {
($value) = (/'dba_handler'\s*=>\s*['"](.*)['"]/);
$name = "DATABASE_DBA_HANDLER";
# Process Expire Parameters
} elsif (/\$ExpireParams\['major'\]\s*=/) {
($value) = (/'max_age'\s*=>\s*(.*),/);
$name = "MAJOR_MAX_AGE";
$epmaj = 1;
} elsif (/\$ExpireParams\['minor'\]\s*=/) {
($value) = (/'max_age'\s*=>\s*(.*),/);
$name = "MINOR_MAX_AGE";
$epmin = 1;
# Process include path
} elsif (/ini_set.*include_path'/) {
($value) = (/ini_set.*include_path'\s*,\s*(.*)\s*\)/);
$name = "INCLUDE_PATH";
}
if ($name =~ /^$/) {
next;
}
# Put it into the array
if (exists $values{$name} && $is_comment) {
# If we already have a value and this one is commented, skip it
next;
}
#print "$name => $value ($is_comment)\n";
$values{$name} = [$value, $is_comment];
}
close INDEXPHP;
# Print values we got
#for my $name ( keys %values ) {
# ($value, $is_comment) = @{$values{$name}};
# print "$name => $value";
# if ($is_comment) { print " (commented)"; }
# print "\n";
#}
# Write out migration header
print "; phpwiki 1.3.10 configuration automatically generated by\n";
print "; migrate-phpwiki-config script\n\n";
# Write out config.ini, substituting values as needed
open CONFTEMP, "< $ARGV[0]"
or die "Failed to open $ARGV[0]: $!\n";
while (<CONFTEMP>)
{
# Look for config var lines
if (!/\w* = /) {
print $_;
next;
}
($name) = (/(\w*) = /);
if (!exists $values{$name}) {
print $_;
next;
}
($value, $is_comment) = @{$values{$name}};
if ($is_comment) {
print "; $name = $value\n";
} else {
print "$name = $value\n";
}
}
close CONFTEMP;
exit 0;
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