##############################################################
## MOD Title: Spam Words
## MOD Author: foxumon http://www.contropa.com
## MOD Description: This MOD blocks posts with certain buzz words and will PM 
## the post and poster information to an admin account
## MOD Version: 1
## 
## Installation Level: Easy 
## Installation Time: 5 Minutes 
## Files To Edit: includes/functions_post.php
##
## License: http://opensource.org/licenses/gpl-license.php GNU General Public License v2
#############################################################
## Author Notes: 
##
##  Very simple mod, there is no admin control panel, and 
##  no edits to the database are required.
##
##  Features:
##  -Checks if a post includes any designated spam words
##  -Set how many times those words need to be found to mark as spam
##  -Set how many posts a user needs to have their post checked
##  -PM a designated account with details about the post
##  
##  No guarantee if it is up to date or will work on your system
##############################################################
## MOD History: 
## 
##  2010-08-10 - Version 1.0.0
##   - Initial Release
##
##############################################################
## Before Adding This MOD To Your Forum, You Should Back Up All Files Related To This MOD
##############################################################

# 
#-----[ OPEN ]------------------------------------------ 
#
includes/functions_post.php

# 
#-----[ FIND ]------------------------------------------ 
#
	//
	// Handle poll stuff
	//

#
#-----[ BEFORE, ADD ]------------------------------------------
#
	//
	//spam words for usrs w/ less than 100 posts
	//notifies admin and prevents posting
	//
	if($userdata[user_posts] < 100) {
		//list of spamwords - seperate by |
		if(preg_match_all("#nokia|phone|blackberry|sex|free|sale|samsung|apple|porn|xxx|loan|credit|buy|motorola|playstation#i",$message,$m)) {
			$count = sizeof($m, COUNT_RECURSIVE);
			//check if words included more than 10 times
			if($count > 10) {
				$uid = make_bbcode_uid();
				$ip = (!empty($HTTP_SERVER_VARS['REMOTE_ADDR'])) ? $HTTP_SERVER_VARS['REMOTE_ADDR'] : ((!empty($HTTP_ENV_VARS['REMOTE_ADDR'])) ? $HTTP_ENV_VARS['REMOTE_ADDR'] : getenv('REMOTE_ADDR'));
				
				//create message to admin
				$msg = 'A user tried to make a post containing spam words at '.$_SERVER['SERVER_NAME'].'
								
				[b:'.$uid.']Username:[/b:'.$uid.'] '.$userdata['username'].'
				[b:'.$uid.']E-mail:[/b:'.$uid.'] '.$userdata['user_email'].'
				[b:'.$uid.']IP:[/b:'.$uid.'] '.$ip.'
				[b:'.$uid.']Message:[/b:'.$uid.'] 	
							
				'.$message.' ';
   				
				//designate user_id to send PM
				$admin_id = 1;
				
				// Send PM to admin
				$time = time();
				mysql_query('INSERT INTO '.PRIVMSGS_TABLE.'
					(privmsgs_type, privmsgs_subject, privmsgs_from_userid, privmsgs_to_userid, privmsgs_date, privmsgs_ip, privmsgs_enable_html, privmsgs_enable_bbcode, privmsgs_enable_smilies, privmsgs_attach_sig)
					VALUES("5", "Spammer post blocked by spamwords", "'.$userdata['user_id'].'", "'.$admin_id.'", "'.$time.'", "'.$ip.'", 1, 1, 1, 0)');
				
				$privmsg_sent_id = mysql_insert_id();
		
				mysql_query('INSERT INTO '.PRIVMSGS_TEXT_TABLE.' (privmsgs_text_id, privmsgs_bbcode_uid, privmsgs_text)
					VALUES ("'.$privmsg_sent_id.'", "'.$uid.'", "'.str_replace("\'", "''", addslashes($msg)).'")');
				
				
				mysql_query('UPDATE '.USERS_TABLE.' SET user_new_privmsg = user_new_privmsg + 1 WHERE user_id = '.$admin_id);
   
				$warning_message = 'Your message included words that are defined as spam on this website.';
				$error_msg .= (!empty($error_msg)) ? '<br />'.$warning_message : $warning_message;
			}
		}
	}