375 lines
14 KiB
Python
375 lines
14 KiB
Python
#!/usr/bin/python3
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# MIT License
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# Copyright (c) 2024 Thomas Williams - https://git.server.wales/thomas
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import pyodbc
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import time
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import requests
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from retrying import retry
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from odbcReferences import driver
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from config import logRetentionDaysIPBlock, logRetentionDaysHost, logRetentionDaysURL, maximumSQLAttempts, loggingMode
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from datetime import datetime, timedelta
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class logsManager:
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def __init__(self, server, database, username, password):
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self.conn_str = 'DRIVER=' + driver + ';SERVER=' + server + ';DATABASE=' + database + ';UID=' + username + ';PWD=' + password
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def insertHost(self, hostname, ipAddress):
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currentAttempts = 1
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while currentAttempts <= maximumSQLAttempts:
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try:
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conn = pyodbc.connect(self.conn_str)
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cursor = conn.cursor()
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cursor.execute("SELECT COUNT(*) FROM monutil_hosts WHERE hostname = ?", hostname)
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if cursor.fetchone()[0] == 0:
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cursor.execute("INSERT INTO monutil_hosts (hostname, ipAddress) VALUES (?, ?)", hostname, ipAddress)
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conn.commit()
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conn.close()
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break
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else:
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cursor.execute("UPDATE monutil_hosts SET ipAddress = ? WHERE hostname = ?", ipAddress, hostname)
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conn.close()
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break
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except pyodbc.Error as ex:
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currentAttempts += 1
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print("SQL Error: {}".format(str(ex)))
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if not currentAttempts <= maximumSQLAttempts:
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raise
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time.sleep(1)
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def insertHostLog(self, hostname, ipAddress, log_time, cpu, memory):
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currentAttempts = 1
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self.insertHost(hostname, ipAddress)
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self.deleteOldLogs("hostlogs", "logTime", logRetentionDaysHost)
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while currentAttempts <= maximumSQLAttempts:
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try:
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conn = pyodbc.connect(self.conn_str)
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cursor = conn.cursor()
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cursor.execute("INSERT INTO monutil_hostlogs (hostname, logTime, cpu, memory) VALUES (?, ?, ?, ?)", hostname, log_time, cpu, memory)
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conn.commit()
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conn.close()
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break
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except pyodbc.Error as ex:
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currentAttempts += 1
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print("Error inserting data: {}".format(str(ex)))
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if not currentAttempts <= maximumSQLAttempts:
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raise
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time.sleep(1)
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@retry(stop_max_attempt_number=3, wait_fixed=1000)
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def geoIPLookup(self, ip, token):
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global delayUntil
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try:
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conn = pyodbc.connect(self.conn_str)
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cursor = conn.cursor()
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timeThreshold = datetime.now() - timedelta(days=1)
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cursor.execute("SELECT blockedipaddress, monutil_geoip.hostname, city, region, country, loc, org, postal, timezone FROM monutil_geoip INNER JOIN monutil_ipblock ON monutil_geoip.logID = monutil_ipblock.logID WHERE logtime >= ? AND blockedipaddress = ?", timeThreshold, ip)
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rows = cursor.fetchall()
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geoinfo = []
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for row in rows:
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geoinfo = {
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"ip": row.blockedipaddress,
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"hostname": row.hostname,
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"city": row.city,
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"region": row.region,
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"country": row.country,
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"loc": row.loc,
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"org": row.org,
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"postal": row.postal,
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"timezone": row.timezone,
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}
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if not geoinfo:
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if 'delayUntil' in locals() and datetime.now() < delayUntil:
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print("Rate limit exceeded. Please wait before trying again.")
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return None
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url = f"https://ipinfo.io/{ip}?token={token}"
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response = requests.get(url)
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response.raise_for_status()
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data = response.json()
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if response.status_code == 429:
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print("Rate limit exceeded. Please wait before trying again.")
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today = datetime.now()
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if today.month == 12:
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delayUntil = datetime(today.year + 1, 1, 1)
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else:
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delayUntil = datetime(today.year, today.month + 1, 1)
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return None
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geoinfo = {
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"ip": data.get("ip"),
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"hostname": data.get("hostname"),
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"city": data.get("city"),
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"region": data.get("region"),
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"country": data.get("country"),
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"loc": data.get("loc"),
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"org": data.get("org"),
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"postal": data.get("postal"),
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"timezone": data.get("timezone"),
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}
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return geoinfo
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except Exception as e:
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print("An error occurred whilst doing a GeoIP lookup.", e)
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raise
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def insertIPBlock(self, hostname, ipAddress, blockedIPAddress, jail, live, logTime, token):
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currentAttempts = 1
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self.insertHost(hostname, ipAddress)
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self.deleteOldLogs("iplogs", "logTime", logRetentionDaysIPBlock)
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while currentAttempts <= maximumSQLAttempts:
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try:
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conn = pyodbc.connect(self.conn_str)
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cursor = conn.cursor()
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if int(live) == 0:
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if loggingMode == 'mssql' or loggingMode == 'mariadb':
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cursor.execute("UPDATE monutil_ipblock SET live = 0 WHERE hostname = ? AND blockedIPAddress = ? AND jail = ? AND live = 1", hostname, blockedIPAddress, jail)
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elif loggingMode == 'postgresql':
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cursor.execute("UPDATE monutil_ipblock SET live = FALSE WHERE hostname = ? AND blockedIPAddress = ? AND jail = ? AND live = TRUE", hostname, blockedIPAddress, jail)
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else:
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raise Exception("A serious error has occurred. Unrecognised DBMS.")
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autoIncrementID = 0
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else:
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if loggingMode == 'mariadb':
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cursor.execute("INSERT INTO monutil_ipblock (hostname, blockedIPAddress, jail, live, logTime) VALUES (?, ?, ?, ?, ?)", hostname, blockedIPAddress, jail, live, logTime)
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cursor.execute("SELECT LAST_INSERT_ID()")
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autoIncrementID = cursor.fetchone()[0]
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elif loggingMode == 'mssql':
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query = cursor.execute("INSERT INTO monutil_ipblock (hostname, blockedIPAddress, jail, live, logTime) OUTPUT INSERTED.logID VALUES (?, ?, ?, ?, ?)", hostname, blockedIPAddress, jail, live, logTime)
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autoIncrementID = query.fetchone()[0]
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elif loggingMode == 'postgresql':
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cursor.execute("INSERT INTO monutil_ipblock (hostname, blockedIPAddress, jail, live, logTime) VALUES (?, ?, ?, ?, ?) RETURNING logID;", hostname, blockedIPAddress, jail, live, logTime)
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autoIncrementID = cursor.fetchone()[0]
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else:
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raise Exception("A serious error has occurred. Unrecognised DBMS.")
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conn.commit()
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conn.close()
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if autoIncrementID > 0:
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geoinfo = self.geoIPLookup(blockedIPAddress, token)
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self.insertGeoIPInfo(autoIncrementID, geoinfo["hostname"], geoinfo["city"], geoinfo["region"], geoinfo["country"], geoinfo["loc"], geoinfo["org"], geoinfo["postal"], geoinfo["timezone"])
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break
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except pyodbc.Error as ex:
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currentAttempts += 1
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print("Error inserting/updating data in monutil_ipblock:", ex)
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if not currentAttempts <= maximumSQLAttempts:
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raise
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time.sleep(1)
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def insertGeoIPInfo(self, logID, hostname, city, region, country, loc, org, postal, timezone):
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currentAttempts = 1
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while currentAttempts <= maximumSQLAttempts:
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try:
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conn = pyodbc.connect(self.conn_str)
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cursor = conn.cursor()
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cursor.execute("INSERT INTO monutil_geoip (logID, hostname, city, region, country, loc, org, postal, timezone) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)", logID,
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hostname, city, region, country, loc, org, postal, timezone)
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conn.commit()
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conn.close()
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break
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except pyodbc.Error as ex:
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currentAttempts += 1
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print("Error inserting data in monutil_geoip:", ex)
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if not currentAttempts <= maximumSQLAttempts:
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raise
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time.sleep(1)
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def insertURLLog(self, hostname, ipAddress, log_time, url, responseTime):
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currentAttempts = 1
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self.insertHost(hostname, ipAddress)
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self.deleteOldLogs("urllogs", "logTime", logRetentionDaysURL)
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while currentAttempts <= maximumSQLAttempts:
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try:
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conn = pyodbc.connect(self.conn_str)
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cursor = conn.cursor()
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cursor.execute("INSERT INTO monutil_urlLogs (hostname, url, logTime, responseTime) VALUES (?, ?, ?, ?)", hostname, url, log_time, responseTime)
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conn.commit()
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conn.close()
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break
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except pyodbc.Error as ex:
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currentAttempts += 1
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print("Error inserting data into monutil_urlLogs:", ex)
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if not currentAttempts <= maximumSQLAttempts:
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raise
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time.sleep(1)
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def deleteOldLogs(self, logType, logTimeColumn, logRetentionDays):
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currentAttempts = 1
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while currentAttempts <= maximumSQLAttempts:
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try:
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if logType == 'hostlogs':
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tableName = 'monutil_hostLogs'
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elif logType == 'urllogs':
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tableName = 'monutil_urlLogs'
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elif logType == 'iplogs':
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tableName = 'monutil_ipblock'
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conn = pyodbc.connect(self.conn_str)
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cursor = conn.cursor()
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if loggingMode == 'mssql':
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oldestLogQuery = f"SELECT TOP 1 {logTimeColumn} FROM {tableName} ORDER BY {logTimeColumn} ASC"
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elif loggingMode == 'mariadb' or loggingMode == 'postgresql':
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oldestLogQuery = f"SELECT {logTimeColumn} FROM {tableName} ORDER BY {logTimeColumn} ASC LIMIT 1"
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cursor.execute(oldestLogQuery)
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if cursor.rowcount > 0:
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oldestLogTime = cursor.fetchone()[0]
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if cursor.rowcount > 0 and oldestLogTime < datetime.now() - timedelta(days=int(logRetentionDays)):
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if logType == 'hostlogs':
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deleteQuery = f"DELETE FROM {tableName} WHERE {logTimeColumn} < ?"
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cursor.execute(deleteQuery, datetime.now() - timedelta(days=int(logRetentionDaysHost)))
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conn.commit()
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elif logType == 'urllogs':
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deleteQuery = f"DELETE FROM {tableName} WHERE {logTimeColumn} < ?"
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cursor.execute(deleteQuery, datetime.now() - timedelta(days=int(logRetentionDaysURL)))
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conn.commit()
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elif logType == 'iplogs':
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deleteQuery = f"DELETE FROM monutil_geoip WHERE logID IN (SELECT logID FROM monutil_ipblock WHERE {logTimeColumn} < ?)"
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cursor.execute(deleteQuery, datetime.now() - timedelta(days=int(logRetentionDaysIPBlock)))
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conn.commit()
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deleteQuery = f"DELETE FROM monutil_ipblock WHERE {logTimeColumn} < ?"
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cursor.execute(deleteQuery, datetime.now() - timedelta(days=int(logRetentionDaysIPBlock)))
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conn.commit()
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break
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except pyodbc.Error as ex:
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currentAttempts += 1
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print("Error deleting old logs: {}".format(str(ex)))
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if not currentAttempts <= maximumSQLAttempts:
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raise
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time.sleep(1)
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