diff options
Diffstat (limited to 'module/plugins')
| -rw-r--r-- | module/plugins/hoster/MegaCoNz.py | 93 |
1 files changed, 57 insertions, 36 deletions
diff --git a/module/plugins/hoster/MegaCoNz.py b/module/plugins/hoster/MegaCoNz.py index fc6724dc7..db3f8d571 100644 --- a/module/plugins/hoster/MegaCoNz.py +++ b/module/plugins/hoster/MegaCoNz.py @@ -9,11 +9,12 @@ from os import remove from Crypto.Cipher import AES from Crypto.Util import Counter -from pycurl import SSL_CIPHER_LIST +# from pycurl import SSL_CIPHER_LIST from module.common.json_layer import json_loads, json_dumps from module.plugins.Hoster import Hoster + ############################ General errors ################################### # EINTERNAL (-1): An internal error has occurred. Please submit a bug report, detailing the exact circumstances in which this error occurred # EARGS (-2): You have passed invalid arguments to this command @@ -46,15 +47,17 @@ from module.plugins.Hoster import Hoster class MegaCoNz(Hoster): __name__ = "MegaCoNz" __type__ = "hoster" - __version__ = "0.17" + __version__ = "0.20" - __pattern__ = r'https?://(?:www\.)?mega\.co\.nz/#!(?P<ID>[\w!-]+)' + __pattern__ = r'https?://(?:www\.)?mega\.co\.nz/#(?P<TYPE>N|)!(?P<ID>[\w^_]+)!(?P<KEY>[\w,\\-]+)' __description__ = """Mega.co.nz hoster plugin""" __license__ = "GPLv3" - __authors__ = [("RaNaN", "ranan@pyload.org")] + __authors__ = [("RaNaN", "ranan@pyload.org"), + ("Walter Purcaro", "vuolter@gmail.com")] + - API_URL = "https://g.api.mega.co.nz/cs" + API_URL = "https://eu.api.mega.co.nz/cs" FILE_SUFFIX = ".crypted" @@ -66,12 +69,17 @@ class MegaCoNz(Hoster): def getCipherKey(self, key): """ Construct the cipher key from the given data """ a = array("I", key) - key_array = array("I", [a[0] ^ a[4], a[1] ^ a[5], a[2] ^ a[6], a[3] ^ a[7]]) - return key_array + k = array("I", [a[0] ^ a[4], a[1] ^ a[5], a[2] ^ a[6], a[3] ^ a[7]]) + iv = a[4:6] + (0, 0) + meta_mac = a[6:8] + + return k, iv, meta_mac - def callApi(self, **kwargs): + + def api_response(self, **kwargs): """ Dispatch a call to the api, see https://mega.co.nz/#developers """ + # generate a session id, no idea where to obtain elsewhere uid = random.randint(10 << 9, 10 ** 10) @@ -81,8 +89,10 @@ class MegaCoNz(Hoster): def decryptAttr(self, data, key): - cbc = AES.new(self.getCipherKey(key), AES.MODE_CBC, "\0" * 16) - attr = cbc.decrypt(self.b64_decode(data)) + k, iv, meta_mac = getCipherKey(key) + cbc = AES.new(k, AES.MODE_CBC, "\0" * 16) + attr = cbc.decrypt(self.b64_decode(data)) + self.logDebug("Decrypted Attr: " + attr) if not attr.startswith("MEGA"): self.fail(_("Decryption failed")) @@ -98,34 +108,37 @@ class MegaCoNz(Hoster): n = key[16:24] # convert counter to long and shift bytes - ctr = Counter.new(128, initial_value=long(n.encode("hex"), 16) << 64) - cipher = AES.new(self.getCipherKey(key), AES.MODE_CTR, counter=ctr) + k, iv, meta_mac = getCipherKey(key) + ctr = Counter.new(128, initial_value=long(n.encode("hex"), 16) << 64) + cipher = AES.new(k, AES.MODE_CTR, counter=ctr) self.pyfile.setStatus("decrypting") - file_crypted = self.lastDownload + file_crypted = self.lastDownload file_decrypted = file_crypted.rsplit(self.FILE_SUFFIX)[0] try: - f = open(file_crypted, "rb") + f = open(file_crypted, "rb") df = open(file_decrypted, "wb") + except IOError, e: self.fail(str(e)) - # TODO: calculate CBC-MAC for checksum + chunk_size = 2 ** 15 # buffer size, 32k + # file_mac = [0, 0, 0, 0] # calculate CBC-MAC for checksum - size = 2 ** 15 # buffer size, 32k while True: - buf = f.read(size) + buf = f.read(chunk_size) if not buf: break - df.write(cipher.decrypt(buf)) + chunk = cipher.decrypt(buf) + df.write(chunk) f.close() df.close() - remove(file_crypted) + remove(file_crypted) self.lastDownload = file_decrypted @@ -133,38 +146,46 @@ class MegaCoNz(Hoster): key = None # match is guaranteed because plugin was chosen to handle url - node = re.match(self.__pattern__, pyfile.url).group('ID') - if "!" in node: - node, key = node.split("!", 1) + pattern = re.match(self.__pattern__, pyfile.url).groupdict() + node = pattern['ID'] + key = pattern['KEY'] + public = pattern['TYPE'] != 'N' - self.logDebug("ID: %s | Key: %s" % (node, key)) + self.logDebug("ID: %s" % node, "Key: %s" % key, "Type: %s" % ("public" if public else "node")) - if not key: - self.fail(_("No file key provided in the URL")) + key = self.b64_decode(key) # g is for requesting a download url # this is similar to the calls in the mega js app, documentation is very bad - dl = self.callApi(a="g", g=1, p=node, ssl=1)[0] + if public: + dl = self.api_response(a="g", g=1, p=node, ssl=1)[0] + else: + dl = self.api_response(a="g", g=1, n=node, ssl=1)[0] if "e" in dl: - e = dl['e'] - # ETEMPUNAVAIL (-18): Resource temporarily not available, please try again later - if e == -18: - self.retry() - else: - self.fail(_("Error code:") + e) + ecode = -dl['e'] - # TODO: map other error codes, e.g - # EACCESS (-11): Access violation (e.g., trying to write to a read-only share) + if ecode in (9, 16, 21): + self.offline() + + elif ecode in (3, 13, 17, 18, 19): + self.tempOffline() + + elif ecode in (1, 4, 6, 10, 15, 21): + self.retry(5, 30, _("Error code: [%s]") % -ecode) + + else: + self.fail(_("Error code: [%s]") % -ecode) - key = self.b64_decode(key) attr = self.decryptAttr(dl['at'], key) pyfile.name = attr['n'] + self.FILE_SUFFIX + pyfile.size = dl['s'] - self.req.http.c.setopt(SSL_CIPHER_LIST, "RC4-MD5:DEFAULT") + # self.req.http.c.setopt(SSL_CIPHER_LIST, "RC4-MD5:DEFAULT") self.download(dl['g']) + self.decryptFile(key) # Everything is finished and final name can be set |