93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
'''
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Onionr - Private P2P Communication
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Write and read the daemon queue, which is how messages are passed into the onionr daemon in a more
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direct way than the http api
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'''
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'''
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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import sqlite3, os
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import onionrevents as events
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from onionrutils import localcommand, epoch
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from .. import dbfiles
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import dbcreator
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def daemon_queue()->str:
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'''
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Gives commands to the communication proccess/daemon by reading an sqlite3 database
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This function intended to be used by the client. Queue to exchange data between "client" and server.
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'''
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retData = False
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if not os.path.exists(dbfiles.daemon_queue_db):
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dbcreator.createDaemonDB()
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else:
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conn = sqlite3.connect(dbfiles.daemon_queue_db, timeout=30)
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c = conn.cursor()
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try:
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for row in c.execute('SELECT command, data, date, min(ID), responseID FROM commands group by id'):
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retData = row
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break
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except sqlite3.OperationalError:
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dbcreator.createDaemonDB()
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else:
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if retData != False:
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c.execute('DELETE FROM commands WHERE id=?;', (retData[3],))
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conn.commit()
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conn.close()
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return retData
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def daemon_queue_add(command: str, data='', responseID: str =''):
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'''
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Add a command to the daemon queue, used by the communication daemon (communicator.py)
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'''
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retData = True
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date = epoch.get_epoch()
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conn = sqlite3.connect(dbfiles.daemon_queue_db, timeout=30)
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c = conn.cursor()
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t = (command, data, date, responseID)
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try:
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c.execute('INSERT INTO commands (command, data, date, responseID) VALUES(?, ?, ?, ?)', t)
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conn.commit()
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except sqlite3.OperationalError:
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retData = False
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daemon_queue()
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conn.close()
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return retData
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def daemon_queue_get_response(responseID=''):
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'''
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Get a response sent by communicator to the API, by requesting to the API
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'''
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if len(responseID) == 0: raise ValueError('ResponseID should not be empty')
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resp = localcommand.local_command(dbfiles.daemon_queue_db, 'queueResponse/' + responseID)
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return resp
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def clear_daemon_queue():
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'''
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Clear the daemon queue (somewhat dangerous)
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'''
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conn = sqlite3.connect(dbfiles.daemon_queue_db, timeout=30)
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c = conn.cursor()
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c.execute('DELETE FROM commands;')
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conn.commit()
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conn.close()
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