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megapy
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Make shared_keys an instance attr, it seems that way already. 

I noticed that _init_shared_keys assigns the result to the instance,
so let's just keep it on the instance from the beginning and not
pass it around. If some individual keys get overwritten during runtime
I expect that would be ok.
master
Ethan Dalool 2020-03-23 20:22:35 -07:00
parent bb8a5081c5
commit 995dafceea
1 changed files with 17 additions and 19 deletions
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36
src/mega/mega.py
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@ -43,6 +43,7 @@ class Mega:
self.sequence_num = random.randint(0, 0xFFFFFFFF)
self.request_id = make_id(10)
self._trash_folder_node_id = None
self.shared_keys = {}
if options is None:
options = {}
@ -235,7 +236,7 @@ class Mega:
(public_handle, decryption_key) = match[0]
return (public_handle, decryption_key)
def _process_file(self, file, shared_keys):
def _process_file(self, file):
if file['t'] in [NODE_TYPE_FILE, NODE_TYPE_DIR]:
keys = dict(
keypart.split(':', 1)
@ -253,19 +254,19 @@ class Mega:
base64_to_a32(file['sk']), self.master_key
)
key = decrypt_key(base64_to_a32(keys[file['h']]), shared_key)
if file['su'] not in shared_keys:
shared_keys[file['su']] = {}
shared_keys[file['su']][file['h']] = shared_key
if file['su'] not in self.shared_keys:
self.shared_keys[file['su']] = {}
self.shared_keys[file['su']][file['h']] = shared_key
# shared files
elif file['u'] and file['u'] in shared_keys:
for hkey in shared_keys[file['u']]:
shared_key = shared_keys[file['u']][hkey]
elif file['u'] and file['u'] in self.shared_keys:
for hkey in self.shared_keys[file['u']]:
shared_key = self.shared_keys[file['u']][hkey]
if hkey in keys:
key = keys[hkey]
key = decrypt_key(base64_to_a32(key), shared_key)
break
if file['h'] and file['h'] in shared_keys.get('EXP', ()):
shared_key = shared_keys['EXP'][file['h']]
if file['h'] and file['h'] in self.shared_keys.get('EXP', ()):
shared_key = self.shared_keys['EXP'][file['h']]
encrypted_key = str_to_a32(
base64_url_decode(file['k'].split(':')[-1])
)
@ -300,7 +301,7 @@ class Mega:
file['a'] = {'n': 'Rubbish Bin'}
return file
def _init_shared_keys(self, files, shared_keys):
def _init_shared_keys(self, files):
"""
Init shared key not associated with a user.
Seems to happen when a folder is shared,
@ -315,11 +316,10 @@ class Mega:
)
ok_dict[ok_item['h']] = shared_key
for s_item in files['s']:
if s_item['u'] not in shared_keys:
shared_keys[s_item['u']] = {}
if s_item['u'] not in self.shared_keys:
self.shared_keys[s_item['u']] = {}
if s_item['h'] in ok_dict:
shared_keys[s_item['u']][s_item['h']] = ok_dict[s_item['h']]
self.shared_keys = shared_keys
self.shared_keys[s_item['u']][s_item['h']] = ok_dict[s_item['h']]
def find_path_descriptor(self, path, files=()):
"""
@ -393,10 +393,9 @@ class Mega:
logger.info('Getting all files...')
files = self._api_request({'a': 'f', 'c': 1, 'r': 1})
files_dict = {}
shared_keys = {}
self._init_shared_keys(files, shared_keys)
self._init_shared_keys(files)
for file in files['f']:
processed_file = self._process_file(file, shared_keys)
processed_file = self._process_file(file)
# ensure each file has a name before returning
if processed_file['a']:
files_dict[file['h']] = processed_file
@ -504,8 +503,7 @@ class Mega:
files = self._api_request({'a': 'f', 'c': 1})
# MERGE COMMON CODE WITH GET_FILES
files_dict = {}
shared_keys = {}
self._init_shared_keys(files, shared_keys)
self._init_shared_keys(files)
for file in files['f']:
processed_file = self._process_file(file, shared_keys)
if processed_file['a'] and processed_file['p'] == node_id: