#!/usr/bin/env python

"""
Copyright (c) 2006-2026 sqlmap developers (https://sqlmap.org)
See the file 'LICENSE' for copying permission
"""

try:
    import vertica_python
except:
    pass

import logging

from lib.core.common import getSafeExString
from lib.core.data import conf
from lib.core.data import logger
from lib.core.exception import SqlmapConnectionException
from plugins.generic.connector import Connector as GenericConnector

class Connector(GenericConnector):
    """
    Homepage: https://github.com/vertica/vertica-python
    User guide: https://github.com/vertica/vertica-python/blob/master/README.md
    API: https://www.python.org/dev/peps/pep-0249/
    License: Apache 2.0
    """

    def connect(self):
        self.initConnection()

        try:
            self.connector = vertica_python.connect(host=self.hostname, user=self.user, password=self.password, database=self.db, port=self.port, connection_timeout=conf.timeout)
        except vertica_python.OperationalError as ex:
            raise SqlmapConnectionException(getSafeExString(ex))

        self.initCursor()
        self.printConnected()

    def fetchall(self):
        try:
            return self.cursor.fetchall()
        except vertica_python.ProgrammingError as ex:
            logger.log(logging.WARN if conf.dbmsHandler else logging.DEBUG, "(remote) %s" % getSafeExString(ex))
            return None

    def execute(self, query, commit=True):
        try:
            self.cursor.execute(query)
        except (vertica_python.OperationalError, vertica_python.ProgrammingError) as ex:
            logger.log(logging.WARN if conf.dbmsHandler else logging.DEBUG, "(remote) %s" % getSafeExString(ex))
        except vertica_python.InternalError as ex:
            raise SqlmapConnectionException(getSafeExString(ex))

        # commit non-SELECT (DML) here; select() commits only AFTER fetchall() because vertica_python shares one
        # cursor per connection and commit() runs COMMIT through it, discarding the unfetched result set
        if commit:
            self.connector.commit()

    def select(self, query):
        self.execute(query, commit=False)
        retVal = self.fetchall()
        self.connector.commit()
        return retVal