1: <?php // freenats.inc.php
  2: /* -------------------------------------------------------------
  3: This file is part of FreeNATS
  4: 
  5: FreeNATS is (C) Copyright 2008 PurplePixie Systems
  6: 
  7: FreeNATS is free software: you can redistribute it and/or modify
  8: it under the terms of the GNU General Public License as published by
  9: the Free Software Foundation, either version 3 of the License, or
 10: (at your option) any later version.
 11: 
 12: FreeNATS is distributed in the hope that it will be useful,
 13: but WITHOUT ANY WARRANTY; without even the implied warranty of
 14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15: GNU General Public License for more details.
 16: 
 17: You should have received a copy of the GNU General Public License
 18: along with FreeNATS.  If not, see www.gnu.org/licenses
 19: 
 20: For more information see www.purplepixie.org/freenats
 21: -------------------------------------------------------------- */
 22: 
 23: class TFreeNATS
 24: {
 25: var $init=false;
 26: var $DB;
 27: var $Cfg;
 28: var $Version="0.02.49";
 29: var $Release="a";
 30: 	
 31: function Start()
 32: 	{
 33: 	$this->DB=new TNATS_DB();
 34: 	$this->Cfg=new TNATS_Cfg();
 35: 	$this->DB->Connect();
 36: 	$this->Cfg->Load($this->DB);
 37: 	$this->init=true;
 38: 	}
 39: 	
 40: function Stop()
 41: 	{
 42: 	$this->DB->Disconnect();
 43: 	$this->init=false;
 44: 	}	
 45: 	
 46: function Event($logevent,$loglevel=1,$modid="NONE",$catid="NONE")
 47: 	{
 48: 	global $NATS_Session;
 49: 	if ((isset($NATS_Session))&&($NATS_Session->auth)) $username=$NATS_Session->username;
 50: 	else $username="";
 51: 	$l=$this->Cfg->Get("log.level");
 52: 	//echo "** $l **\n";
 53: 	if ( $l=="" ) $l=10; // debug logging if no variable
 54: 	if ( $l < $loglevel ) return false;
 55: 	if (strlen($logevent)>249) $logevent=substr($logevent,0,245)."...";
 56: 	$q="INSERT INTO fnlog(postedx,modid,catid,loglevel,logevent,username) VALUES(".time().",";
 57: 	$q.="\"".ss($modid)."\",\"".ss($catid)."\",".ss($loglevel).",\"".ss($logevent)."\",\"".ss($username)."\")";
 58: 	//echo $q;
 59: 	$this->DB->Query($q);
 60: 	}
 61: 
 62: function AlertAction($nodeid,$alertlevel,$change,$alerttext)
 63: 	{
 64: 	echo "Called for node: ".$nodeid."\n";
 65: 	if ($change==0) return false;
 66: 	//echo $nodeid.":".$alertlevel.":".$change.":".$alerttext."\n";
 67: 	// get all the alertactions for this node id
 68: 	$q="SELECT aaid FROM fnnalink WHERE nodeid=\"".ss($nodeid)."\"";
 69: 	$r=$this->DB->Query($q);
 70: 	while ($arow=$this->DB->Fetch_Array($r))
 71: 		{
 72: 		// get details for this alert action
 73: 		$aq="SELECT * FROM fnalertaction WHERE aaid=".$arow['aaid']." LIMIT 0,1";
 74: 		//echo $aq."\n";
 75: 		$ar=$this->DB->Query($aq);
 76: 		$aa=$this->DB->Fetch_Array($ar);
 77: 		$this->DB->Free($ar);
 78: 		//echo $aa['atype']."FISH\n";
 79: 		
 80: 		// UGGGGGGGG continue!!
 81: 		if ( ($aa['atype']=="") || ($aa['atype']=="Disabled") ) continue;
 82: 		if ( ($aa['awarnings']==0) && ($alertlevel<2) ) continue;
 83: 		if ( ($aa['adecrease']==0) && ($change<1) ) continue;
 84: 		
 85: 		// made it this far
 86: 		$ndata=$aa['mdata']."\n".$nodeid.": ".$alerttext;
 87: 		$uq="UPDATE fnalertaction SET mdata=\"".ss($ndata)."\" WHERE aaid=".$arow['aaid'];
 88: 		//echo $uq."\n";
 89: 		$this->DB->Query($uq);
 90: 		}
 91: 	}
 92: 	
 93: function ActionFlush()
 94: 	{
 95: 	global $allowed; // allowed chars from screen in YA BODGE
 96: 	$q="SELECT * FROM fnalertaction WHERE mdata!=\"\"";
 97: 	$r=$this->DB->Query($q);
 98: 	while ($row=$this->DB->Fetch_Array($r))
 99: 		{
100: 			
101: 			$doalert=true;
102: 			
103: 		// clear mdata right at the start to get around duplicate emails whilst processing
104: 			$q="UPDATE fnalertaction SET mdata=\"\" WHERE aaid=".$row['aaid'];
105: 			$this->DB->Query($q);
106: 			
107: 			if ($this->DB->Affected_Rows()<=0) // already flushed or failed to flush
108: 				{
109: 				$doalert=false;
110: 				$this->Event("Alert Action Already Flushed - Skipping",8,"Flush","Action");
111: 				}
112: 			
113: 		// alert counter
114: 		$td=date("Ymd");
115: 		if ($td!=$row['ctrdate']) // new day or no flush record
116: 			{
117: 			$q="UPDATE fnalertaction SET ctrdate=\"".$td."\",ctrtoday=1 WHERE aaid=".$row['aaid'];
118: 			$this->DB->Query($q);
119: 			}
120: 		else
121: 			{
122: 			
123: 				if ( ($row['ctrlimit']==0) || ($row['ctrlimit']>$row['ctrtoday']) ) // no limit or below
124: 					{
125: 					$q="UPDATE fnalertaction SET ctrtoday=ctrtoday+1 WHERE aaid=".$row['aaid'];
126: 					$this->DB->Query($q);
127: 					}
128: 				else // at or over limit
129: 					{
130: 					$this->Event("Alert Action Limit Reached - Skipping",2,"Flush","Action");
131: 					$doalert=false;
132: 					}
133: 			
134: 			}
135: 			
136: 			
137: 		if ($row['atype']=="email")
138: 			{
139: 			if ($row['esubject']==0) $sub="";
140: 			else if ($row['esubject']==1) $sub="FreeNATS Alert";
141: 			else $sub="** FreeNATS Alert **";
142: 			$body="";
143: 			if ($row['etype']==0) $body=$row['mdata'];
144: 			else $body="FreeNATS Alert,\r\n".$row['mdata']."\r\n--FreeNATS @ ".nicedt(time());
145: 			//$tolist=preg_split("[\n\r]",$row['etolist']);
146: 			$tolist=array();
147: 			$f=0;
148: 			$tolist[0]="";
149: 			for ($a=0; $a<strlen($row['etolist']); $a++)
150: 				{
151: 				$chr=$row['etolist'][$a];
152: 				//echo $chr;
153: 				if (strpos($allowed,$chr)===false) // special char
154: 					{
155: 					$f++;
156: 					$tolist[$f]="";
157: 					}
158: 				else
159: 					{
160: 					$tolist[$f].=$chr;
161: 					}
162: 				}
163: 			
164: 			foreach($tolist as $toaddr)
165: 				{
166: 				$toaddr=nices($toaddr);
167: 				if ($toaddr!="")
168: 					{
169: 					//echo $row['efrom'].":".$toaddr.":".$sub.":".$body."\n\n";
170: 					//$body="fish";
171: 					//mail($toaddr,$sub,$body,"From: ".$row['efrom']."\r\n","-f".$row['efrom']);
172: 					$header="From: ".$row['efrom']."\r\n";
173: 					//$header="";
174: 					//$exhead="-f".$row['efrom'];
175: 					//db("Sending Email: ".$toaddr);
176: 					if ($doalert)
177: 						{
178: 						mail($toaddr,$sub,$body,$header);
179: 						$this->Event("Sent alert email to ".$toaddr,4,"Flush","Email");
180: 						}		
181: 					}
182: 				}
183: 				
184: 				
185: 				
186: 			}
187: 		else if ($row['atype']=="url")
188: 			{
189: 			// url send
190: 			if ($row['etype']==0) $body=$row['mdata'];
191: 			else $body="FreeNATS Alert,\r\n".$row['mdata']."\r\n--FreeNATS @ ".nicedt(time());
192: 			
193: 			$body=urlencode($body);
194: 			$tolist=array();
195: 			$f=0;
196: 			$tolist[0]="";
197: 			for ($a=0; $a<strlen($row['etolist']); $a++)
198: 				{
199: 				$chr=$row['etolist'][$a];
200: 				//echo $chr;
201: 				if (strpos($allowed,$chr)===false) // special char
202: 					{
203: 					$f++;
204: 					$tolist[$f]="";
205: 					}
206: 				else
207: 					{
208: 					$tolist[$f].=$chr;
209: 					}
210: 				}
211: 			
212: 			foreach($tolist as $tourl)
213: 				{
214: 				if ($doalert)
215: 					{
216: 					$url=$tourl.$body;
217: 					$fp=@fopen($url,"r");
218: 					if ($fp>0) fclose($fp);
219: 					else $this->Event("URL Alert Failed ".$url,1,"Flush","URL");
220: 					$this->Event("URL Alert ".$url,4,"Flush","URL");
221: 					}
222: 				}
223: 			
224: 			
225: 			}
226: 			
227: 		}
228: 	}	
229: 
230: function GetAlerts()
231: 	{
232: 	$q="SELECT nodeid,alertlevel FROM fnalert WHERE closedx=0";
233: 	$r=$this->DB->Query($q);
234: 	$c=0;
235: 	$al=array();
236: 	while ($row=$this->DB->Fetch_Array($r))
237: 		{
238: 		$al[$c]['nodeid']=$row['nodeid'];
239: 		$al[$c]['alertlevel']=$row['alertlevel'];
240: 		$c++;
241: 		}
242: 	if ($c>0) return $al;
243: 	else return false;
244: 	}
245: 	
246: function SetAlerts($nodeid,$alertlevel,$alerts="")
247: 	{
248: 	// get current alert level
249: 	$q="SELECT alertlevel,nodealert FROM fnnode WHERE nodeid=\"".ss($nodeid)."\"";
250: 	$r=$this->DB->Query($q);
251: 	$row=$this->DB->Fetch_Array($r);
252: 	$this->DB->Free($r);
253: 	$cal=$row['alertlevel'];
254: 	
255: 	if ($alertlevel>$cal)
256: 		{
257: 		// trigger alert process
258: 		}
259: 		
260: 	if ($alertlevel!=$cal)
261: 		{
262: 		// update table
263: 		$q="UPDATE fnnode SET alertlevel=".ss($alertlevel)." WHERE nodeid=\"".ss($nodeid)."\"";
264: 		$this->DB->Query($q);
265: 		}
266: 		
267: 	// do not continue if node alert isn't set
268: 	if ($row['nodealert']!=1) return 0;
269: 		
270: 	// ALERTS
271: 	// is there an existing alert for this node
272: 	$q="SELECT alertid,alertlevel FROM fnalert WHERE nodeid=\"".ss($nodeid)."\" AND closedx=0";
273: 	$r=$this->DB->Query($q);
274: 	if ($row=$this->DB->Fetch_Array($r))
275: 		{ // yes there is
276: 		// if new alert level is 0 let's close it
277: 		if ($alertlevel==0)
278: 			{
279: 			$q="UPDATE fnalert SET closedx=".time()." WHERE alertid=".$row['alertid'];
280: 			$this->DB->Query($q);
281: 			if (is_array($alerts)) $alerts[]="Alert Closed";
282: 			else
283: 				{
284: 				$alerts=array();
285: 				$alerts[]="Alert Closed";
286: 				}
287: 			}
288: 		else
289: 			{
290: 			$alertid=$row['alertid'];
291: 			// otherwise update the alert to the new value (was: regardless, now just if not a 0)
292: 			$q="UPDATE fnalert SET alertlevel=".ss($alertlevel)." WHERE alertid=".$alertid;
293: 			$this->DB->Query($q);
294: 			}
295: 		}
296: 	else
297: 		{ // no there's not
298: 		if ($alertlevel>0) // only if an actual alert
299: 			{
300: 			$q="INSERT INTO fnalert(nodeid,alertlevel,openedx) VALUES(";
301: 			$q.="\"".ss($nodeid)."\",".ss($alertlevel).",".time().")";
302: 			$this->DB->Query($q);
303: 			$alertid=$this->DB->Insert_Id();
304: 			}
305: 		}
306: 	// ALERT LOG with $alertid
307: 	$t=time();
308: 	$at="";
309: 	if (is_array($alerts))
310: 		{
311: 		foreach($alerts as $alert)
312: 			{
313: 			if ($at!="") $at.=", ";
314: 			$at.=$alert;
315: 			//echo $at."\n";
316: 			$iq="INSERT INTO fnalertlog(alertid,postedx,logentry) VALUES(";
317: 			$iq.=$alertid.",".$t.",\"".ss($alert)."\")";
318: 			//echo $iq;
319: 			$this->DB->Query($iq);
320: 			}
321: 		}
322: 		
323: 	$this->AlertAction($nodeid,$alertlevel,$alertlevel-$cal,$at);
324: 	
325: 		
326: 		
327: 	}
328: 
329: function NodeAlertLevel($nodeid)
330: 	{
331: 	$q="SELECT alertlevel FROM fnnode WHERE nodeid=\"".ss($nodeid)."\"";
332: 	$r=$this->DB->Query($q);
333: 	if ($row=$this->DB->Fetch_Array($r)) return $row['alertlevel'];
334: 	else return -1;
335: 	}	
336: 
337: function GroupAlertLevel($groupid)
338: 	{
339: 	$lvl=-1;
340: 	$q="SELECT nodeid FROM fngrouplink WHERE groupid=\"".ss($groupid)."\"";
341: 	$r=$this->DB->Query($q);
342: 	while ($row=$this->DB->Fetch_Array($r))
343: 		{
344: 		$nl=$this->NodeAlertLevel($row['nodeid']);
345: 		if ($nl>$lvl) $lvl=$nl;
346: 		}
347: 	$this->DB->Free($r);
348: 	return $lvl;
349: 	}
350: 	
351: function PhoneHome($mode=0,$type="ping") // 0 - php, 1 - html, 2 - data
352: {
353: if ($mode<2)
354: 	{
355: 	$qs="?type=".$type."&data=version=".$this->Version;
356: 	if (isset($_SERVER['REMOTE_ADDR']))
357: 		$qs.=",ip=".$_SERVER['REMOTE_ADDR'];
358: 	$ploc="http://www.purplepixie.org/freenats/report/";
359: 	if ($mode==1) $ploc.="ping.html";
360: 	else $ploc.="ping.php";
361: 	
362: 	$ploc.=$qs;
363: 	
364: 	$lp=@fopen($ploc,"r");
365: 	if ($lp>0) @fclose($lp);
366: 	}
367: else
368: 	{
369: 	// data post -- !!
370: 	}
371: }
372: 	
373: }
374: ?>