def IncomingSupplierListFiles(newpacket, list_files_global_id):
"""
Called by ``p2p.p2p_service`` when command "Files" were received from one
of our suppliers.
This is an answer from given supplier (after our request) to get a
list of our files stored on his machine.
"""
from p2p import p2p_service
supplier_idurl = newpacket.OwnerID
# incoming_key_id = newpacket.PacketID.strip().split(':')[0]
customer_idurl = list_files_global_id['idurl']
num = contactsdb.supplier_position(supplier_idurl, customer_idurl=customer_idurl)
if num < -1:
lg.warn('unknown supplier: %s' % supplier_idurl)
return False
from supplier import list_files
from customer import list_files_orator
try:
block = encrypted.Unserialize(
newpacket.Payload,
decrypt_key=my_keys.make_key_id(alias='customer', creator_idurl=my_id.getLocalIDURL(), ),
)
input_data = block.Data()
except:
lg.out(2, 'backup_control.IncomingSupplierListFiles ERROR decrypting data from %s' % newpacket)
return False
src = list_files.UnpackListFiles(input_data, settings.ListFilesFormat())
backups2remove, paths2remove, missed_backups = backup_matrix.ReadRawListFiles(num, src)
list_files_orator.IncomingListFiles(newpacket)
backup_matrix.SaveLatestRawListFiles(supplier_idurl, src)
if _Debug:
lg.out(_DebugLevel, 'backup_control.IncomingSupplierListFiles from [%s]: paths2remove=%d, backups2remove=%d missed_backups=%d' % (
nameurl.GetName(supplier_idurl), len(paths2remove), len(backups2remove), len(missed_backups)))
if len(backups2remove) > 0:
p2p_service.RequestDeleteListBackups(backups2remove)
if _Debug:
lg.out(_DebugLevel, ' also sent requests to remove %d backups' % len(backups2remove))
if len(paths2remove) > 0:
p2p_service.RequestDeleteListPaths(paths2remove)
if _Debug:
lg.out(_DebugLevel, ' also sent requests to remove %d paths' % len(paths2remove))
if len(missed_backups) > 0:
from storage import backup_rebuilder
backup_rebuilder.AddBackupsToWork(missed_backups)
backup_rebuilder.A('start')
if _Debug:
lg.out(_DebugLevel, ' also triggered service_rebuilding with %d missed backups' % len(missed_backups))
del backups2remove
del paths2remove
del missed_backups
return True
def IncomingSupplierListFiles(newpacket):
"""
Called by ``p2p.p2p_service`` when command "Files" were received from one
of our suppliers.
This is an answer from given supplier (after our request) to get a
list of our files stored on his machine.
"""
from p2p import p2p_service
supplier_idurl = newpacket.OwnerID
customer_idurl = my_id.getLocalID()
if newpacket.PacketID.count(':') and newpacket.PacketID.count('@'):
try:
customer_idurl = global_id.GlobalUserToIDURL(newpacket.PacketID.split(':')[0])
except:
lg.exc()
num = contactsdb.supplier_position(supplier_idurl, customer_idurl=customer_idurl)
if num < -1:
lg.out(2, 'backup_control.IncomingSupplierListFiles ERROR unknown supplier: %s' % supplier_idurl)
return False
from supplier import list_files
from customer import list_files_orator
src = list_files.UnpackListFiles(newpacket.Payload, settings.ListFilesFormat())
backups2remove, paths2remove, missed_backups = backup_matrix.ReadRawListFiles(num, src)
list_files_orator.IncomingListFiles(newpacket)
backup_matrix.SaveLatestRawListFiles(supplier_idurl, src)
if _Debug:
lg.out(_DebugLevel, 'backup_control.IncomingSupplierListFiles from [%s]: paths2remove=%d, backups2remove=%d missed_backups=%d' % (
nameurl.GetName(supplier_idurl), len(paths2remove), len(backups2remove), len(missed_backups)))
if len(backups2remove) > 0:
p2p_service.RequestDeleteListBackups(backups2remove)
if _Debug:
lg.out(_DebugLevel, ' also sent requests to remove %d backups' % len(backups2remove))
if len(paths2remove) > 0:
p2p_service.RequestDeleteListPaths(paths2remove)
if _Debug:
lg.out(_DebugLevel, ' also sent requests to remove %d paths' % len(paths2remove))
if len(missed_backups) > 0:
from storage import backup_rebuilder
backup_rebuilder.AddBackupsToWork(missed_backups)
backup_rebuilder.A('start')
if _Debug:
lg.out(_DebugLevel, ' also triggered service_rebuilding with %d missed backups' % len(missed_backups))
del backups2remove
del paths2remove
del missed_backups
return True
def _on_files_received(self, newpacket, info):
from logs import lg
from lib import serialization
from main import settings
from main import events
from p2p import p2p_service
from storage import backup_fs
from storage import backup_control
from crypt import encrypted
from crypt import my_keys
from userid import my_id
from userid import global_id
from storage import backup_matrix
from supplier import list_files
from contacts import contactsdb
list_files_global_id = global_id.ParseGlobalID(newpacket.PacketID)
if not list_files_global_id['idurl']:
lg.warn('invalid PacketID: %s' % newpacket.PacketID)
return False
trusted_customer_idurl = list_files_global_id['idurl']
incoming_key_id = list_files_global_id['key_id']
if trusted_customer_idurl == my_id.getGlobalID():
lg.warn('skip %s packet which seems to came from my own supplier' %
newpacket)
# only process list Files() from other users who granted me access
return False
if not my_keys.is_valid_key_id(incoming_key_id):
lg.warn('ignore, invalid key id in packet %s' % newpacket)
return False
if not my_keys.is_key_private(incoming_key_id):
lg.warn('private key is not registered : %s' % incoming_key_id)
p2p_service.SendFail(newpacket, 'private key is not registered')
return False
try:
block = encrypted.Unserialize(
newpacket.Payload,
decrypt_key=incoming_key_id,
)
except:
lg.exc(newpacket.Payload)
return False
if block is None:
lg.warn('failed reading data from %s' % newpacket.RemoteID)
return False
# if block.CreatorID != trusted_customer_idurl:
# lg.warn('invalid packet, creator ID must be present in packet ID : %s ~ %s' % (
# block.CreatorID, list_files_global_id['idurl'], ))
# return False
try:
raw_files = block.Data()
except:
lg.exc()
return False
if block.CreatorID == trusted_customer_idurl:
# this is a trusted guy sending some shared files to me
try:
json_data = serialization.BytesToDict(raw_files,
keys_to_text=True,
encoding='utf-8')
json_data['items']
except:
lg.exc()
return False
count = backup_fs.Unserialize(
raw_data=json_data,
iter=backup_fs.fs(trusted_customer_idurl),
iterID=backup_fs.fsID(trusted_customer_idurl),
from_json=True,
)
p2p_service.SendAck(newpacket)
events.send(
'shared-list-files-received',
dict(
customer_idurl=trusted_customer_idurl,
new_items=count,
))
if count == 0:
lg.warn('no files were imported during file sharing')
else:
backup_control.Save()
lg.info('imported %d shared files from %s, key_id=%s' % (
count,
trusted_customer_idurl,
incoming_key_id,
))
return True
# otherwise this must be an external supplier sending us a files he stores for trusted customer
external_supplier_idurl = block.CreatorID
try:
supplier_raw_list_files = list_files.UnpackListFiles(
raw_files, settings.ListFilesFormat())
backup_matrix.SaveLatestRawListFiles(
supplier_idurl=external_supplier_idurl,
raw_data=supplier_raw_list_files,
customer_idurl=trusted_customer_idurl,
)
except:
lg.exc()
return False
# need to detect supplier position from the list of packets
# and place that supplier on the correct position in contactsdb
supplier_pos = backup_matrix.DetectSupplierPosition(
supplier_raw_list_files)
known_supplier_pos = contactsdb.supplier_position(
external_supplier_idurl, trusted_customer_idurl)
if supplier_pos >= 0:
if known_supplier_pos >= 0 and known_supplier_pos != supplier_pos:
lg.warn(
'external supplier %s position is not matching to list files, rewriting for customer %s'
% (external_supplier_idurl, trusted_customer_idurl))
# TODO: we should remove that bellow because we do not need it
# service_customer_family() should take care of suppliers list for trusted customer
# so we need to just read that list from DHT
# contactsdb.erase_supplier(
# idurl=external_supplier_idurl,
# customer_idurl=trusted_customer_idurl,
# )
# contactsdb.add_supplier(
# idurl=external_supplier_idurl,
# position=supplier_pos,
# customer_idurl=trusted_customer_idurl,
# )
# contactsdb.save_suppliers(customer_idurl=trusted_customer_idurl)
else:
lg.warn(
'not possible to detect external supplier position for customer %s from received list files, known position is %s'
% (trusted_customer_idurl, known_supplier_pos))
supplier_pos = known_supplier_pos
backup_matrix.ReadRawListFiles(
supplier_pos,
supplier_raw_list_files,
customer_idurl=trusted_customer_idurl,
is_in_sync=True,
)
# finally send ack packet back
p2p_service.SendAck(newpacket)
lg.info(
'received list of packets from external supplier %s for customer %s'
% (external_supplier_idurl, trusted_customer_idurl))
return True