#!/bin/bash
# -------------------------------------------------------------------------
# Jehsom's SITE LOCATE script v1.22 - Updates/Searches a DB of files on site
# Copyright (C) 2001 jehsom@jehsom.com
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
# -------------------------------------------------------------------------
#
# This script should be run nightly in root's crontab, with the -u option.
#   this will make sure that the list of files on your site is always up-
#   to date. An example crontab entry would be:
#
#       15 04 * * *     /usr/sbin/chroot /glftpd /bin/locate -u
#
# This script should also be implemented as "SITE LOCATE" on your ftp site,
#   by placing the following lines in your glftpd.conf:
#   
#       site_cmd LOCATE         EXEC    /bin/locate
#       custom-locate           *
#
# The SITE LOCATE command must be followed by a regular expression to
#   match. Filenames matching this regex will be shown.
#
# The name of the file to use as our locate database
DBFILE="/etc/locate.db"
# This is the location (relative to rootpath) that should appear
#  as the root path when returning search results. Usually /site.
SITEROOT="/site"
# Extended Regular expression that matches all dirs to exclude.
# THIS MUST BE AN EXTENDED REGULAR EXPRESSION, not wildcards, etc!
EXCLUDE_REGEX="^/Requests_Filled/(Jehsom|Blah)"
# Put "-type f" to index only files, "-type d" to index only dirs, or
# comment out the line altogether to find dirs AND files.
TYPE="-type f"


#######################
### Ignore the rest ###
#######################

[ -z "$1" ] && {
    echo ',-----------------------------------='
	echo '| Usage: SITE LOCATE <regexp>'
	echo '|'
	echo '| Shows a list of files containing the regular'
	echo '| expression specified. If you do not know how to'
    echo '| use regexes, start out by replacing "*" with ".*"'
    echo '| and "?" with ".". Then go to a unix box and type'
    echo '| "man 7 regex". Multiple search terms are ignored.'
    echo '| Instead, use an "or" in your regex: "(term1|term2)"'
    echo '| or match one after the other with: "(term1.*term2)"'
	echo '`---------------------------------------------------='
	exit 0
}

[ "$1" = "-u" ] && {
	[ -w "$DBFILE" ] || { 
        > "$DBFILE" 2>/dev/null || {
            echo "Cannot write to $DBFILE."
            exit 1
        }
    }
	cd "$SITEROOT"
	echo "Updating locate database . . ." 1>&2
	find . $TYPE | cut -c2- | {
        if [ -n "$EXCLUDE_REGEX" ]; then
            grep -vE "$EXCLUDE_REGEX"
        else
            cat
        fi
    } > "$DBFILE"
	exit 0
}

grep -Ei "$*" $DBFILE
exit 0