286 líneas
7,1 KiB
Python
286 líneas
7,1 KiB
Python
import os
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import sys
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import psycopg2
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from psycopg2 import sql
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from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
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import uuid
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from datetime import datetime
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import pytz
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import pdb
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tz = pytz.timezone('Europe/Madrid')
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class Database():
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name = 'fediverse database library'
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def __init__(self, config_file=None, blocker_db=None, blocker_db_user=None, blocker_db_user_password=None):
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self.config_file = "config/db_config.txt"
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self.blocker_db = self.__get_parameter("blocker_db", self.config_file)
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self.blocker_db_user = self.__get_parameter("blocker_db_user", self.config_file)
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self.blocker_db_user_password = self.__get_parameter("blocker_db_user_password", self.config_file)
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db_setup = self.__check_dbsetup(self)
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if not db_setup:
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self.blocker_db = input("\nblocksoft database name: ")
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self.blocker_db_user = input("\nblocksoft database user: ")
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self.blocker_db_user_password = input("\nblocksoft database user password: ")
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self.__createdb(self)
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self.__create_config(self)
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self.__write_config(self)
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def get_servers(self, software):
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servers_list = []
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try:
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conn = None
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conn = psycopg2.connect(database = self.blocker_db, user = self.blocker_db_user, password = "", host = "/var/run/postgresql", port = "5432")
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cur = conn.cursor()
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cur.execute("select server from servers where software=(%s)", (software,))
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rows = cur.fetchall()
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for row in rows:
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servers_list.append(row[0])
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cur.close()
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except (Exception, psycopg2.DatabaseError) as error:
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sys.exit(error)
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finally:
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if conn is not None:
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conn.close()
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return (servers_list)
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def write_server(self, server, api, software):
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now = datetime.now()
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insert_sql = "INSERT INTO servers(server, api, software, created_at) VALUES(%s, %s, %s, %s) ON CONFLICT DO NOTHING"
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conn = None
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try:
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conn = psycopg2.connect(database=self.blocker_db, user=self.blocker_db_user, password = self.blocker_db_user_password, host="/var/run/postgresql", port="6432")
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cur = conn.cursor()
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cur.execute(insert_sql, (server, api, software, now))
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conn.commit()
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cur.close()
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except (Exception, psycopg2.DatabaseError) as error:
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print(error)
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finally:
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if conn is not None:
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conn.close()
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def update_peer(self, server):
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now = datetime.now()
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update_sql = "UPDATE servers set updated_at=(%s) where server=(%s)"
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conn = None
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try:
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conn = psycopg2.connect(database=self.blocker_db, user=self.blocker_db_user, password = self.blocker_db_user_password, host="/var/run/postgresql", port="6432")
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cur = conn.cursor()
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cur.execute(update_sql, (now, server))
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conn.commit()
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cur.close()
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except (Exception, psycopg2.DatabaseError) as error:
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print(error)
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finally:
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if conn is not None:
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conn.close()
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def update_server(self, server, api):
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now = datetime.now()
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update_sql = "UPDATE servers set server=(%s), api=(%s), updated_at=(%s) where server=(%s)"
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conn = None
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try:
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conn = psycopg2.connect(database=self.blocker_db, user=self.blocker_db_user, password = self.blocker_db_user_password, host="/var/run/postgresql", port="6432")
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cur = conn.cursor()
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cur.execute(update_sql, (server, api, now, server))
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conn.commit()
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cur.close()
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except (Exception, psycopg2.DatabaseError) as error:
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print(error)
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finally:
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if conn is not None:
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conn.close()
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@staticmethod
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def __check_dbsetup(self):
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db_setup = False
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try:
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conn = None
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conn = psycopg2.connect(database = self.blocker_db, user = self.blocker_db_user, password = self.blocker_db_user_password, host = "/var/run/postgresql", port = "6432")
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db_setup = True
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except (Exception, psycopg2.DatabaseError) as error:
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print(error)
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return db_setup
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@staticmethod
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def __createdb(self):
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conn = None
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try:
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conn = psycopg2.connect(dbname='postgres',
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user=self.blocker_db_user, host='',
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password=self.blocker_db_user_password)
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conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
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cur = conn.cursor()
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print(f"Creating database {self.blocker_db}. Please wait...")
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cur.execute(sql.SQL("CREATE DATABASE {}").format(
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sql.Identifier(self.blocker_db))
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)
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print(f"Database {self.blocker_db} created!\n")
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self.__dbtables_schemes(self)
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except (Exception, psycopg2.DatabaseError) as error:
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print(error)
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finally:
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if conn is not None:
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conn.close()
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@staticmethod
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def __dbtables_schemes(self):
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db = self.blocker_db
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table = "servers"
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sql = "create table "+table+" (server varchar(200) PRIMARY KEY, api varchar(50), software varchar(50), created_at timestamptz, updated_at timestamptz, downs int)"
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self.__create_table(self, table, sql)
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@staticmethod
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def __create_table(self, table, sql):
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conn = None
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try:
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conn = psycopg2.connect(database = self.blocker_db, user = self.blocker_db_user, password = self.blocker_db_user_password, host = "/var/run/postgresql", port = "6432")
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cur = conn.cursor()
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print(f"Creating table {table}")
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cur.execute(sql)
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conn.commit()
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print(f"Table {table} created!\n")
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except (Exception, psycopg2.DatabaseError) as error:
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print(error)
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finally:
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if conn is not None:
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conn.close()
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def __get_parameter(self, parameter, config_file):
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if not os.path.isfile(config_file):
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print(f"File {config_file} not found..")
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return
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with open( config_file ) as f:
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for line in f:
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if line.startswith( parameter ):
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return line.replace(parameter + ":", "").strip()
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print(f"{config_file} Missing parameter {parameter}")
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sys.exit(0)
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@staticmethod
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def __create_config(self):
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if not os.path.exists('config'):
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os.makedirs('config')
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if not os.path.exists(self.config_file):
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print(self.config_file + " created!")
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with open(self.config_file, 'w'): pass
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@staticmethod
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def __write_config(self):
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with open(self.config_file, 'a') as the_file:
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the_file.write(f'blocker_db: {self.blocker_db}\nblocker_db_user: {self.blocker_db_user}\nblocker_db_user_password: {self.blocker_db_user_password}')
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print(f"adding parameters to {self.config_file}\n")
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