def test_dumps(self):
s = parse.dumps({'ACTION': 'LIST-HASHES'})
assert s == '(ACTION LIST-HASHES)'
s = parse.dumps({'ACTION': 'SEHSAH-TSIL', 'HASHES': 'HEY!'})
assert s == '(ACTION SEHSAH-TSIL) (HASHES HEY!)'
s = parse.dumps({'ACTION': 'SEHSAH-TSIL',
'HASHES': {'K1': 'V1'}})
assert s == '(ACTION SEHSAH-TSIL) (HASHES (K1 V1\\))'
s = parse.dumps({'ACTION': 'SEHSAH-TSIL',
'HASHES': ['what', 'is', 'up']})
assert s == ('(ACTION SEHSAH-TSIL) (HASHES (LENGTH 3\\) '
'(0 what\\) (1 is\\) (2 up\\))')
def _handle_command(self, command):
if isinstance(command, parse.ParseError):
return parse.dumps({'ACTION': 'ERROR',
'REASON': 'Command is malformed'})
in_sess = self._session.copy()
try:
resp, sess = self.delegate(command, in_sess)
except parse.ParsedKeyError, e:
resp = {'ACTION': 'ERROR',
'REASON': 'Missing key: `%s`' % e.missing_key}
def pull_remote(self, file_id):
"""
Grabs a file from the remote host and writes its contents to a
temporary file. Returns temp file path and file hash (from remote).
"""
request = parse.dumps({'ACTION': 'PULL-FILE',
'ID': file_id})
self._send(request + '\n')
file_name = os.tmpnam() + '.mp3'
digest = utils.pull_file(file_name, self._socket)
return file_name, digest
def communicate(self, message):
"""
Takes a structure and sends it to the connected server, then waits for
the server to send a response and returns the parsed response.
"""
request = parse.dumps(message)
logging.debug('GIVE -> %s' % request)
self._send(request + '\n')
response = next(self._responses)
logging.debug('GOT <- %s' % response)
return response
def push_command(self, command, session):
cursor = self._conn.cursor()
if command['TYPE'] == 'NEW':
cursor.execute('INSERT INTO files (received) VALUES (?)',
[time.time()])
sid = cursor.lastrowid
resp = parse.dumps({'ACTION': 'HSUP',
'ID': sid,
'DONE': 0})
logging.debug('CONT -> %s' % resp)
self._send(resp + '\n')
file_path = os.path.join(
utils.read_settings(self._conn, 'storage_dir')['storage_dir'],
'%d.mp3' % sid)
digest = utils.pull_file(file_path, self._socket)
our_digest = utils.hash_file(open(file_path, 'rb')).digest()
if our_digest != digest:
cursor.execute('DELETE FROM files WHERE id=?', [sid])
resp = {'ACTION': 'ERROR',
'REASON': 'Hash mismatch, record revoked, retransmit'}
self._conn.commit()
return resp, session
cursor.execute('UPDATE files SET path=?, hash=? WHERE id=?',
[file_path, digest.encode('hex'), sid])
self._conn.commit()
resp = {'ACTION': 'HSUP',
'DONE': 1}
return resp, session
elif command['TYPE'] == 'DELETE':
sid = int(command['ID'])
cursor.execute(
'INSERT INTO deleted (file_id, del_time) VALUES (?, ?)',
[sid, time.time()])
cursor.execute('DELETE FROM files WHERE id=?', [sid])
resp = {'ACTION': 'HSUP',
'DONE': 1}
return resp, session
else:
resp = {'ACTION': 'ERROR',
'REASON': 'Unknown PUSH type: %s' % command['TYPE']}
return resp, session
