644 lines
27 KiB
Python
644 lines
27 KiB
Python
"""
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sqlThread is defined here
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"""
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import os
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import shutil # used for moving the messages.dat file
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import sqlite3
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import sys
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import threading
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import time
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import helper_sql
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import helper_startup
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import paths
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import queues
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import state
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import tr
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from bmconfigparser import BMConfigParser
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from debug import logger
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from addresses import encodeAddress
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# pylint: disable=attribute-defined-outside-init,protected-access
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root_path = os.path.dirname(os.path.dirname(__file__))
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def connection_build():
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conn = sqlite3.connect(state.appdata + 'messages.dat')
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conn.text_factory = str
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cur = conn.cursor()
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return conn, cur
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class UpgradeDB():
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"""Upgrade Db with respect to versions"""
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# cur = None
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parameters = None
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current_level = None
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max_level = 11
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conn = None
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conn, cur = connection_build()
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def __index__(self):
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self.conn = conn
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self.cur = cur
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def get_current_level(self):
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# Upgrade Db with respect to their versions
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item = '''SELECT value FROM settings WHERE key='version';'''
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parameters = ''
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self.cur.execute(item, parameters)
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return int(self.cur.fetchall()[0][0])
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def upgrade_one_level(self, level):
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""" Apply switcher to call methods accordingly """
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if level != self.get_current_level():
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return None
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# Migrate Db with level
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method_name = 'upgrade_schema_data_' + str(level)
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method = getattr(self, method_name, lambda: "Invalid version")
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return method()
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def run_migrations(self, file):
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try:
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print("----------file", file)
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sql_file = open(os.path.join(root_path, "src/sql/init_version_{}.sql".format(file)))
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sql_as_string = sql_file.read()
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# self.cur.executescript(sql_as_string)
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self.cur.executescript(sql_as_string)
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except Exception as err:
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print("err")
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print(err)
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print("err")
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if str(err) == 'table inbox already exists':
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return "table inbox already exists"
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else:
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sys.stderr.write(
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'ERROR trying to create database file (message.dat). Error message: %s\n' % str(err))
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os._exit(0)
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def versioning(func):
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def wrapper(*args):
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self = args[0]
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func_name = func.__name__
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version = func_name.rsplit('_', 1)[-1]
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self.run_migrations(version)
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ret = func(*args)
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return ret # <-- use (self, ...)
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return wrapper
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def upgrade_to_latest(self, cur, conn):
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"""
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Initialise upgrade level
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"""
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# Declare variables
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self.conn = conn
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self.cur = cur
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self.current_level = self.get_current_level()
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self.max_level = 11
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# call upgrading level in loop
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for l in range(self.current_level, self.max_level):
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self.upgrade_one_level(l)
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self.upgrade_schema_data_level(l)
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def upgrade_schema_data_level(self, level):
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item = '''update settings set value=? WHERE key='version';'''
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parameters = (level + 1,)
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self.cur.execute(item, parameters)
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@versioning
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def upgrade_schema_data_1(self):
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"""inventory
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For version 1 and 3
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Add a new column to the inventory table to store tags.
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"""
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logger.debug(
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'In messages.dat database, adding tag field to'
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' the inventory table.')
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@versioning
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def upgrade_schema_data_2(self):
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"""
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For version 2
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Let's get rid of the first20bytesofencryptedmessage field in the inventory table.
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"""
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logger.debug(
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'In messages.dat database, removing an obsolete field from'
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' the inventory table.')
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def upgrade_schema_data_3(self):
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"""
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For version 3
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Call method for version 1
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"""
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self.upgrade_schema_data_1()
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@versioning
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def upgrade_schema_data_4(self):
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"""
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For version 4
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Add a new column to the pubkeys table to store the address version.
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We're going to trash all of our pubkeys and let them be redownloaded.
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"""
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@versioning
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def upgrade_schema_data_5(self):
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"""
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For version 5
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Add a new table: objectprocessorqueue with which to hold objects
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That have yet to be processed if the user shuts down Bitmessage.
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"""
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@versioning
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def upgrade_schema_data_6(self):
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"""
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For version 6
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Changes related to protocol v3
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In table inventory and objectprocessorqueue, objecttype is now
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an integer (it was a human-friendly string previously)
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"""
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logger.debug(
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'In messages.dat database, dropping and recreating'
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' the inventory table.')
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logger.debug(
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'Finished dropping and recreating the inventory table.')
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@versioning
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def upgrade_schema_data_7(self):
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"""
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For version 7
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The format of data stored in the pubkeys table has changed. Let's
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clear it, and the pubkeys from inventory, so that they'll
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be re-downloaded.
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"""
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logger.debug(
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'In messages.dat database, clearing pubkeys table'
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' because the data format has been updated.')
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logger.debug('Finished clearing currently held pubkeys.')
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@versioning
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def upgrade_schema_data_8(self):
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"""
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For version 8
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Add a new column to the inbox table to store the hash of
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the message signature. We'll use this as temporary message UUID
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in order to detect duplicates.
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"""
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logger.debug(
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'In messages.dat database, adding sighash field to'
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' the inbox table.')
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@versioning
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def upgrade_schema_data_9(self):
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"""
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For version 9
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We'll also need a `sleeptill` field and a `ttl` field. Also we
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can combine the pubkeyretrynumber and msgretrynumber into one.
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"""
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logger.info(
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'In messages.dat database, making TTL-related changes:'
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' combining the pubkeyretrynumber and msgretrynumber'
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' fields into the retrynumber field and adding the'
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' sleeptill and ttl fields...')
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logger.info('In messages.dat database, finished making TTL-related changes.')
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logger.debug('In messages.dat database, adding address field to the pubkeys table.')
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# We're going to have to calculate the address for each row in the pubkeys
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# table. Then we can take out the hash field.
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self.cur.execute('''ALTER TABLE pubkeys ADD address text DEFAULT '' ''')
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item = '''UPDATE 'pubkeys' SET `hash`='87788778877887788787' where hash=''; '''
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self.cur.execute(item)
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# replica for loop to update hashed address
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self.cur.execute('''UPDATE pubkeys SET address=(select enaddr(pubkeys.addressversion, 1, hash)) WHERE hash=pubkeys.hash; ''')
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self.run_migrations("9_1")
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logger.debug(
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'In messages.dat database, done adding address field to the pubkeys table'
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' and removing the hash field.')
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@versioning
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def upgrade_schema_data_10(self):
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"""
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For version 10
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Update the address colunm to unique in addressbook table
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"""
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logger.debug(
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'In messages.dat database, updating address column to UNIQUE'
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' in the addressbook table.')
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class sqlThread(threading.Thread, UpgradeDB):
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"""A thread for all SQL operations"""
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def __init__(self):
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threading.Thread.__init__(self, name="SQL")
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def run(self): # pylint: disable=too-many-locals, too-many-branches, too-many-statements
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"""Process SQL queries from `.helper_sql.sqlSubmitQueue`"""
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helper_sql.sql_available = True
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# self.conn = sqlite3.connect(state.appdata + 'messages.dat')
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# self.conn.text_factory = str
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# self.cur = self.conn.cursor()
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conn, cur = connection_build()
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self.conn = conn
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self.cur = cur
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self.cur.execute('PRAGMA secure_delete = true')
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# call create_function for encode address
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self.create_function()
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try:
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# self.cur.execute(
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# '''CREATE TABLE inbox (msgid blob, toaddress text, fromaddress text, subject text,'''
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# ''' received text, message text, folder text, encodingtype int, read bool, sighash blob,'''
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# ''' UNIQUE(msgid) ON CONFLICT REPLACE)''')
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# self.cur.execute(
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# '''CREATE TABLE sent (msgid blob, toaddress text, toripe blob, fromaddress text, subject text,'''
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# ''' message text, ackdata blob, senttime integer, lastactiontime integer,'''
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# ''' sleeptill integer, status text, retrynumber integer, folder text, encodingtype int, ttl int)''')
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# '''CREATE TABLE subscriptions (label text, address text, enabled bool)''')
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# self.cur.execute(
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# '''CREATE TABLE addressbook (label text, address text, UNIQUE(address) ON CONFLICT IGNORE)''')
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# self.cur.execute(
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# '''CREATE TABLE blacklist (label text, address text, enabled bool)''')
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# self.cur.execute(
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# '''CREATE TABLE whitelist (label text, address text, enabled bool)''')
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# self.cur.execute(
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# '''CREATE TABLE pubkeys (address text, addressversion int, transmitdata blob, time int,'''
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# ''' usedpersonally text, UNIQUE(address) ON CONFLICT REPLACE)''')
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# self.cur.execute(
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# '''CREATE TABLE inventory (hash blob, objecttype int, streamnumber int, payload blob,'''
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# ''' expirestime integer, tag blob, UNIQUE(hash) ON CONFLICT REPLACE)''')
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# self.cur.execute(
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# '''INSERT INTO subscriptions VALUES'''
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# '''('Bitmessage new releases/announcements','BM-GtovgYdgs7qXPkoYaRgrLFuFKz1SFpsw',1)''')
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self.cur.execute(
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'''CREATE TABLE settings (key blob, value blob, UNIQUE(key) ON CONFLICT REPLACE)''')
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self.cur.execute('''INSERT INTO settings VALUES('version','11')''')
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self.cur.execute('''INSERT INTO settings VALUES('lastvacuumtime',?)''', (
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int(time.time()),))
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# self.cur.execute(
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# '''CREATE TABLE objectprocessorqueue'''
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# ''' (objecttype int, data blob, UNIQUE(objecttype, data) ON CONFLICT REPLACE)''')
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self.conn.commit()
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logger.info('Created messages database file')
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except Exception as err:
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if str(err) == 'table inbox already exists':
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logger.debug('Database file already exists.')
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else:
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sys.stderr.write(
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'ERROR trying to create database file (message.dat). Error message: %s\n' % str(err))
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os._exit(0)
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# If the settings version is equal to 2 or 3 then the
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# sqlThread will modify the pubkeys table and change
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# the settings version to 4.
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settingsversion = BMConfigParser().getint(
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'bitmessagesettings', 'settingsversion')
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# People running earlier versions of PyBitmessage do not have the
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# usedpersonally field in their pubkeys table. Let's add it.
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if settingsversion == 2:
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item = '''ALTER TABLE pubkeys ADD usedpersonally text DEFAULT 'no' '''
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parameters = ''
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self.cur.execute(item, parameters)
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self.conn.commit()
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settingsversion = 3
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# People running earlier versions of PyBitmessage do not have the
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# encodingtype field in their inbox and sent tables or the read field
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# in the inbox table. Let's add them.
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if settingsversion == 3:
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item = '''ALTER TABLE inbox ADD encodingtype int DEFAULT '2' '''
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parameters = ''
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self.cur.execute(item, parameters)
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item = '''ALTER TABLE inbox ADD read bool DEFAULT '1' '''
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parameters = ''
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self.cur.execute(item, parameters)
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item = '''ALTER TABLE sent ADD encodingtype int DEFAULT '2' '''
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parameters = ''
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self.cur.execute(item, parameters)
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self.conn.commit()
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settingsversion = 4
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BMConfigParser().set(
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'bitmessagesettings', 'settingsversion', str(settingsversion))
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BMConfigParser().save()
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helper_startup.updateConfig()
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# From now on, let us keep a 'version' embedded in the messages.dat
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# file so that when we make changes to the database, the database
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# version we are on can stay embedded in the messages.dat file. Let us
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# check to see if the settings table exists yet.
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item = '''SELECT name FROM sqlite_master WHERE type='table' AND name='settings';'''
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parameters = ''
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self.cur.execute(item, parameters)
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if self.cur.fetchall() == []:
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# The settings table doesn't exist. We need to make it.
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logger.debug(
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"In messages.dat database, creating new 'settings' table.")
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self.cur.execute(
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'''CREATE TABLE settings (key text, value blob, UNIQUE(key) ON CONFLICT REPLACE)''')
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self.cur.execute('''INSERT INTO settings VALUES('version','1')''')
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self.cur.execute('''INSERT INTO settings VALUES('lastvacuumtime',?)''', (
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int(time.time()),))
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logger.debug('In messages.dat database, removing an obsolete field from the pubkeys table.')
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self.cur.execute(
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'''CREATE TEMPORARY TABLE pubkeys_backup(hash blob, transmitdata blob, time int,'''
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''' usedpersonally text, UNIQUE(hash) ON CONFLICT REPLACE);''')
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self.cur.execute(
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'''INSERT INTO pubkeys_backup SELECT hash, transmitdata, time, usedpersonally FROM pubkeys;''')
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self.cur.execute('''DROP TABLE pubkeys''')
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self.cur.execute(
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'''CREATE TABLE pubkeys'''
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''' (hash blob, transmitdata blob, time int, usedpersonally text, UNIQUE(hash) ON CONFLICT REPLACE)''')
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self.cur.execute(
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'''INSERT INTO pubkeys SELECT hash, transmitdata, time, usedpersonally FROM pubkeys_backup;''')
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self.cur.execute('''DROP TABLE pubkeys_backup;''')
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logger.debug(
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'Deleting all pubkeys from inventory.'
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' They will be redownloaded and then saved with the correct times.')
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self.cur.execute(
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'''delete from inventory where objecttype = 'pubkey';''')
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logger.debug('replacing Bitmessage announcements mailing list with a new one.')
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self.cur.execute(
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'''delete from subscriptions where address='BM-BbkPSZbzPwpVcYZpU4yHwf9ZPEapN5Zx' ''')
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self.cur.execute(
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'''INSERT INTO subscriptions VALUES'''
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'''('Bitmessage new releases/announcements','BM-GtovgYdgs7qXPkoYaRgrLFuFKz1SFpsw',1)''')
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logger.debug('Commiting.')
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self.conn.commit()
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logger.debug('Vacuuming message.dat. You might notice that the file size gets much smaller.')
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self.cur.execute(''' VACUUM ''')
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# After code refactoring, the possible status values for sent messages
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# have changed.
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self.cur.execute(
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'''update sent set status='doingmsgpow' where status='doingpow' ''')
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self.cur.execute(
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'''update sent set status='msgsent' where status='sentmessage' ''')
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self.cur.execute(
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'''update sent set status='doingpubkeypow' where status='findingpubkey' ''')
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self.cur.execute(
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'''update sent set status='broadcastqueued' where status='broadcastpending' ''')
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self.conn.commit()
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self.upgrade_to_latest(self.cur, self.conn)
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# Are you hoping to add a new option to the keys.dat file of existing
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# Bitmessage users or modify the SQLite database? Add it right
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# above this line!
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self.add_new_option()
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# Let us check to see the last time we vaccumed the messages.dat file.
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# If it has been more than a month let's do it now.
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self.check_vaccumed()
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def add_new_option(self):
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try:
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testpayload = '\x00\x00'
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t = ('1234', 1, testpayload, '12345678', 'no')
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self.cur.execute('''INSERT INTO pubkeys VALUES(?,?,?,?,?)''', t)
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self.conn.commit()
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self.cur.execute(
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'''SELECT transmitdata FROM pubkeys WHERE address='1234' ''')
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queryreturn = self.cur.fetchall()
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for row in queryreturn:
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transmitdata, = row
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self.cur.execute('''DELETE FROM pubkeys WHERE address='1234' ''')
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self.conn.commit()
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if transmitdata == '':
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logger.fatal(
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'Problem: The version of SQLite you have cannot store Null values.'
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' Please download and install the latest revision of your version of Python'
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' (for example, the latest Python 2.7 revision) and try again.\n')
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logger.fatal(
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'PyBitmessage will now exit very abruptly.'
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' You may now see threading errors related to this abrupt exit'
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' but the problem you need to solve is related to SQLite.\n\n')
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os._exit(0)
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except Exception as err:
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if str(err) == 'database or disk is full':
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logger.fatal(
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'(While null value test) Alert: Your disk or data storage volume is full.'
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' sqlThread will now exit.')
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queues.UISignalQueue.put((
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'alert', (
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tr._translate(
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"MainWindow",
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"Disk full"),
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tr._translate(
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"MainWindow",
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'Alert: Your disk or data storage volume is full. Bitmessage will now exit.'),
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True)))
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os._exit(0)
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else:
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logger.error(err)
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def check_vaccumed(self):
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item = '''SELECT value FROM settings WHERE key='lastvacuumtime';'''
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parameters = ''
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self.cur.execute(item, parameters)
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queryreturn = self.cur.fetchall()
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for row in queryreturn:
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value, = row
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if int(value) < int(time.time()) - 86400:
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logger.info('It has been a long time since the messages.dat file has been vacuumed. Vacuuming now...')
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try:
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self.cur.execute(''' VACUUM ''')
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except Exception as err:
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if str(err) == 'database or disk is full':
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logger.fatal(
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'(While VACUUM) Alert: Your disk or data storage volume is full.'
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' sqlThread will now exit.')
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queues.UISignalQueue.put((
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'alert', (
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tr._translate(
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"MainWindow",
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"Disk full"),
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tr._translate(
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"MainWindow",
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'Alert: Your disk or data storage volume is full. Bitmessage will now exit.'),
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True)))
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os._exit(0)
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item = '''update settings set value=? WHERE key='lastvacuumtime';'''
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parameters = (int(time.time()),)
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self.cur.execute(item, parameters)
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helper_sql.sql_ready.set()
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while True:
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item = helper_sql.sqlSubmitQueue.get()
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if item == 'commit':
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try:
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self.conn.commit()
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except Exception as err:
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if str(err) == 'database or disk is full':
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logger.fatal(
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'(While committing) Alert: Your disk or data storage volume is full.'
|
|
' sqlThread will now exit.')
|
|
queues.UISignalQueue.put((
|
|
'alert', (
|
|
tr._translate(
|
|
"MainWindow",
|
|
"Disk full"),
|
|
tr._translate(
|
|
"MainWindow",
|
|
'Alert: Your disk or data storage volume is full. Bitmessage will now exit.'),
|
|
True)))
|
|
os._exit(0)
|
|
elif item == 'exit':
|
|
self.conn.close()
|
|
logger.info('sqlThread exiting gracefully.')
|
|
|
|
return
|
|
elif item == 'movemessagstoprog':
|
|
logger.debug('the sqlThread is moving the messages.dat file to the local program directory.')
|
|
|
|
try:
|
|
self.conn.commit()
|
|
except Exception as err:
|
|
if str(err) == 'database or disk is full':
|
|
logger.fatal(
|
|
'(while movemessagstoprog) Alert: Your disk or data storage volume is full.'
|
|
' sqlThread will now exit.')
|
|
queues.UISignalQueue.put((
|
|
'alert', (
|
|
tr._translate(
|
|
"MainWindow",
|
|
"Disk full"),
|
|
tr._translate(
|
|
"MainWindow",
|
|
'Alert: Your disk or data storage volume is full. Bitmessage will now exit.'),
|
|
True)))
|
|
os._exit(0)
|
|
self.conn.close()
|
|
shutil.move(
|
|
paths.lookupAppdataFolder() + 'messages.dat', paths.lookupExeFolder() + 'messages.dat')
|
|
self.conn = sqlite3.connect(paths.lookupExeFolder() + 'messages.dat')
|
|
self.conn.text_factory = str
|
|
self.cur = self.conn.cursor()
|
|
elif item == 'movemessagstoappdata':
|
|
logger.debug('the sqlThread is moving the messages.dat file to the Appdata folder.')
|
|
|
|
try:
|
|
self.conn.commit()
|
|
except Exception as err:
|
|
if str(err) == 'database or disk is full':
|
|
logger.fatal(
|
|
'(while movemessagstoappdata) Alert: Your disk or data storage volume is full.'
|
|
' sqlThread will now exit.')
|
|
queues.UISignalQueue.put((
|
|
'alert', (
|
|
tr._translate(
|
|
"MainWindow",
|
|
"Disk full"),
|
|
tr._translate(
|
|
"MainWindow",
|
|
'Alert: Your disk or data storage volume is full. Bitmessage will now exit.'),
|
|
True)))
|
|
os._exit(0)
|
|
self.conn.close()
|
|
shutil.move(
|
|
paths.lookupExeFolder() + 'messages.dat', paths.lookupAppdataFolder() + 'messages.dat')
|
|
self.conn = sqlite3.connect(paths.lookupAppdataFolder() + 'messages.dat')
|
|
self.conn.text_factory = str
|
|
self.cur = self.conn.cursor()
|
|
elif item == 'deleteandvacuume':
|
|
self.cur.execute('''delete from inbox where folder='trash' ''')
|
|
self.cur.execute('''delete from sent where folder='trash' ''')
|
|
self.conn.commit()
|
|
try:
|
|
self.cur.execute(''' VACUUM ''')
|
|
except Exception as err:
|
|
if str(err) == 'database or disk is full':
|
|
logger.fatal(
|
|
'(while deleteandvacuume) Alert: Your disk or data storage volume is full.'
|
|
' sqlThread will now exit.')
|
|
queues.UISignalQueue.put((
|
|
'alert', (
|
|
tr._translate(
|
|
"MainWindow",
|
|
"Disk full"),
|
|
tr._translate(
|
|
"MainWindow",
|
|
'Alert: Your disk or data storage volume is full. Bitmessage will now exit.'),
|
|
True)))
|
|
os._exit(0)
|
|
else:
|
|
parameters = helper_sql.sqlSubmitQueue.get()
|
|
rowcount = 0
|
|
try:
|
|
self.cur.execute(item, parameters)
|
|
rowcount = self.cur.rowcount
|
|
except Exception as err:
|
|
if str(err) == 'database or disk is full':
|
|
logger.fatal(
|
|
'(while cur.execute) Alert: Your disk or data storage volume is full.'
|
|
' sqlThread will now exit.')
|
|
queues.UISignalQueue.put((
|
|
'alert', (
|
|
tr._translate(
|
|
"MainWindow",
|
|
"Disk full"),
|
|
tr._translate(
|
|
"MainWindow",
|
|
'Alert: Your disk or data storage volume is full. Bitmessage will now exit.'),
|
|
True)))
|
|
os._exit(0)
|
|
else:
|
|
logger.fatal(
|
|
'Major error occurred when trying to execute a SQL statement within the sqlThread.'
|
|
' Please tell Atheros about this error message or post it in the forum!'
|
|
' Error occurred while trying to execute statement: "%s" Here are the parameters;'
|
|
' you might want to censor this data with asterisks (***)'
|
|
' as it can contain private information: %s.'
|
|
' Here is the actual error message thrown by the sqlThread: %s',
|
|
str(item),
|
|
str(repr(parameters)),
|
|
str(err))
|
|
logger.fatal('This program shall now abruptly exit!')
|
|
|
|
os._exit(0)
|
|
|
|
helper_sql.sqlReturnQueue.put((self.cur.fetchall(), rowcount))
|
|
# helper_sql.sqlSubmitQueue.task_done()
|
|
|
|
def create_function(self):
|
|
# create_function
|
|
try:
|
|
self.conn.create_function("enaddr", 3, func=encodeAddress, deterministic=True)
|
|
except (TypeError, sqlite3.NotSupportedError) as err:
|
|
logger.error(
|
|
"Got error while pass deterministic in sqlite create function {}, Passing 3 params".format(err))
|
|
self.conn.create_function("enaddr", 3, encodeAddress)
|