diff options
| -rw-r--r-- | youtube_dl/aes.py | 144 | ||||
| -rw-r--r-- | youtube_dl/extractor/__init__.py | 1 | ||||
| -rw-r--r-- | youtube_dl/extractor/crunchyroll.py | 171 |
3 files changed, 298 insertions, 18 deletions
diff --git a/youtube_dl/aes.py b/youtube_dl/aes.py index 9a0c93fa6..e9c5e2152 100644 --- a/youtube_dl/aes.py +++ b/youtube_dl/aes.py @@ -1,4 +1,4 @@ -__all__ = ['aes_encrypt', 'key_expansion', 'aes_ctr_decrypt', 'aes_decrypt_text'] +__all__ = ['aes_encrypt', 'key_expansion', 'aes_ctr_decrypt', 'aes_cbc_decrypt', 'aes_decrypt_text'] import base64 from math import ceil @@ -32,6 +32,31 @@ def aes_ctr_decrypt(data, key, counter): return decrypted_data +def aes_cbc_decrypt(data, key, iv): + """ + Decrypt with aes in CBC mode + + @param {int[]} data cipher + @param {int[]} key 16/24/32-Byte cipher key + @param {int[]} iv 16-Byte IV + @returns {int[]} decrypted data + """ + expanded_key = key_expansion(key) + block_count = int(ceil(float(len(data)) / BLOCK_SIZE_BYTES)) + + decrypted_data=[] + previous_cipher_block = iv + for i in range(block_count): + block = data[i*BLOCK_SIZE_BYTES : (i+1)*BLOCK_SIZE_BYTES] + block += [0]*(BLOCK_SIZE_BYTES - len(block)) + + decrypted_block = aes_decrypt(block, expanded_key) + decrypted_data += xor(decrypted_block, previous_cipher_block) + previous_cipher_block = block + decrypted_data = decrypted_data[:len(data)] + + return decrypted_data + def key_expansion(data): """ Generate key schedule @@ -75,7 +100,7 @@ def aes_encrypt(data, expanded_key): @returns {int[]} 16-Byte cipher """ rounds = len(expanded_key) // BLOCK_SIZE_BYTES - 1 - + data = xor(data, expanded_key[:BLOCK_SIZE_BYTES]) for i in range(1, rounds+1): data = sub_bytes(data) @@ -83,6 +108,26 @@ def aes_encrypt(data, expanded_key): if i != rounds: data = mix_columns(data) data = xor(data, expanded_key[i*BLOCK_SIZE_BYTES : (i+1)*BLOCK_SIZE_BYTES]) + + return data + +def aes_decrypt(data, expanded_key): + """ + Decrypt one block with aes + + @param {int[]} data 16-Byte cipher + @param {int[]} expanded_key 176/208/240-Byte expanded key + @returns {int[]} 16-Byte state + """ + rounds = len(expanded_key) // BLOCK_SIZE_BYTES - 1 + + for i in range(rounds, 0, -1): + data = xor(data, expanded_key[i*BLOCK_SIZE_BYTES : (i+1)*BLOCK_SIZE_BYTES]) + if i != rounds: + data = mix_columns_inv(data) + data = shift_rows_inv(data) + data = sub_bytes_inv(data) + data = xor(data, expanded_key[:BLOCK_SIZE_BYTES]) return data @@ -139,14 +184,69 @@ SBOX = (0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16) -MIX_COLUMN_MATRIX = ((2,3,1,1), - (1,2,3,1), - (1,1,2,3), - (3,1,1,2)) +SBOX_INV = (0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, + 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, + 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, + 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, + 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, + 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, + 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, + 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, + 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, + 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, + 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d) +MIX_COLUMN_MATRIX = ((0x2,0x3,0x1,0x1), + (0x1,0x2,0x3,0x1), + (0x1,0x1,0x2,0x3), + (0x3,0x1,0x1,0x2)) +MIX_COLUMN_MATRIX_INV = ((0xE,0xB,0xD,0x9), + (0x9,0xE,0xB,0xD), + (0xD,0x9,0xE,0xB), + (0xB,0xD,0x9,0xE)) +RIJNDAEL_EXP_TABLE = (0x01, 0x03, 0x05, 0x0F, 0x11, 0x33, 0x55, 0xFF, 0x1A, 0x2E, 0x72, 0x96, 0xA1, 0xF8, 0x13, 0x35, + 0x5F, 0xE1, 0x38, 0x48, 0xD8, 0x73, 0x95, 0xA4, 0xF7, 0x02, 0x06, 0x0A, 0x1E, 0x22, 0x66, 0xAA, + 0xE5, 0x34, 0x5C, 0xE4, 0x37, 0x59, 0xEB, 0x26, 0x6A, 0xBE, 0xD9, 0x70, 0x90, 0xAB, 0xE6, 0x31, + 0x53, 0xF5, 0x04, 0x0C, 0x14, 0x3C, 0x44, 0xCC, 0x4F, 0xD1, 0x68, 0xB8, 0xD3, 0x6E, 0xB2, 0xCD, + 0x4C, 0xD4, 0x67, 0xA9, 0xE0, 0x3B, 0x4D, 0xD7, 0x62, 0xA6, 0xF1, 0x08, 0x18, 0x28, 0x78, 0x88, + 0x83, 0x9E, 0xB9, 0xD0, 0x6B, 0xBD, 0xDC, 0x7F, 0x81, 0x98, 0xB3, 0xCE, 0x49, 0xDB, 0x76, 0x9A, + 0xB5, 0xC4, 0x57, 0xF9, 0x10, 0x30, 0x50, 0xF0, 0x0B, 0x1D, 0x27, 0x69, 0xBB, 0xD6, 0x61, 0xA3, + 0xFE, 0x19, 0x2B, 0x7D, 0x87, 0x92, 0xAD, 0xEC, 0x2F, 0x71, 0x93, 0xAE, 0xE9, 0x20, 0x60, 0xA0, + 0xFB, 0x16, 0x3A, 0x4E, 0xD2, 0x6D, 0xB7, 0xC2, 0x5D, 0xE7, 0x32, 0x56, 0xFA, 0x15, 0x3F, 0x41, + 0xC3, 0x5E, 0xE2, 0x3D, 0x47, 0xC9, 0x40, 0xC0, 0x5B, 0xED, 0x2C, 0x74, 0x9C, 0xBF, 0xDA, 0x75, + 0x9F, 0xBA, 0xD5, 0x64, 0xAC, 0xEF, 0x2A, 0x7E, 0x82, 0x9D, 0xBC, 0xDF, 0x7A, 0x8E, 0x89, 0x80, + 0x9B, 0xB6, 0xC1, 0x58, 0xE8, 0x23, 0x65, 0xAF, 0xEA, 0x25, 0x6F, 0xB1, 0xC8, 0x43, 0xC5, 0x54, + 0xFC, 0x1F, 0x21, 0x63, 0xA5, 0xF4, 0x07, 0x09, 0x1B, 0x2D, 0x77, 0x99, 0xB0, 0xCB, 0x46, 0xCA, + 0x45, 0xCF, 0x4A, 0xDE, 0x79, 0x8B, 0x86, 0x91, 0xA8, 0xE3, 0x3E, 0x42, 0xC6, 0x51, 0xF3, 0x0E, + 0x12, 0x36, 0x5A, 0xEE, 0x29, 0x7B, 0x8D, 0x8C, 0x8F, 0x8A, 0x85, 0x94, 0xA7, 0xF2, 0x0D, 0x17, + 0x39, 0x4B, 0xDD, 0x7C, 0x84, 0x97, 0xA2, 0xFD, 0x1C, 0x24, 0x6C, 0xB4, 0xC7, 0x52, 0xF6, 0x01) +RIJNDAEL_LOG_TABLE = (0x00, 0x00, 0x19, 0x01, 0x32, 0x02, 0x1a, 0xc6, 0x4b, 0xc7, 0x1b, 0x68, 0x33, 0xee, 0xdf, 0x03, + 0x64, 0x04, 0xe0, 0x0e, 0x34, 0x8d, 0x81, 0xef, 0x4c, 0x71, 0x08, 0xc8, 0xf8, 0x69, 0x1c, 0xc1, + 0x7d, 0xc2, 0x1d, 0xb5, 0xf9, 0xb9, 0x27, 0x6a, 0x4d, 0xe4, 0xa6, 0x72, 0x9a, 0xc9, 0x09, 0x78, + 0x65, 0x2f, 0x8a, 0x05, 0x21, 0x0f, 0xe1, 0x24, 0x12, 0xf0, 0x82, 0x45, 0x35, 0x93, 0xda, 0x8e, + 0x96, 0x8f, 0xdb, 0xbd, 0x36, 0xd0, 0xce, 0x94, 0x13, 0x5c, 0xd2, 0xf1, 0x40, 0x46, 0x83, 0x38, + 0x66, 0xdd, 0xfd, 0x30, 0xbf, 0x06, 0x8b, 0x62, 0xb3, 0x25, 0xe2, 0x98, 0x22, 0x88, 0x91, 0x10, + 0x7e, 0x6e, 0x48, 0xc3, 0xa3, 0xb6, 0x1e, 0x42, 0x3a, 0x6b, 0x28, 0x54, 0xfa, 0x85, 0x3d, 0xba, + 0x2b, 0x79, 0x0a, 0x15, 0x9b, 0x9f, 0x5e, 0xca, 0x4e, 0xd4, 0xac, 0xe5, 0xf3, 0x73, 0xa7, 0x57, + 0xaf, 0x58, 0xa8, 0x50, 0xf4, 0xea, 0xd6, 0x74, 0x4f, 0xae, 0xe9, 0xd5, 0xe7, 0xe6, 0xad, 0xe8, + 0x2c, 0xd7, 0x75, 0x7a, 0xeb, 0x16, 0x0b, 0xf5, 0x59, 0xcb, 0x5f, 0xb0, 0x9c, 0xa9, 0x51, 0xa0, + 0x7f, 0x0c, 0xf6, 0x6f, 0x17, 0xc4, 0x49, 0xec, 0xd8, 0x43, 0x1f, 0x2d, 0xa4, 0x76, 0x7b, 0xb7, + 0xcc, 0xbb, 0x3e, 0x5a, 0xfb, 0x60, 0xb1, 0x86, 0x3b, 0x52, 0xa1, 0x6c, 0xaa, 0x55, 0x29, 0x9d, + 0x97, 0xb2, 0x87, 0x90, 0x61, 0xbe, 0xdc, 0xfc, 0xbc, 0x95, 0xcf, 0xcd, 0x37, 0x3f, 0x5b, 0xd1, + 0x53, 0x39, 0x84, 0x3c, 0x41, 0xa2, 0x6d, 0x47, 0x14, 0x2a, 0x9e, 0x5d, 0x56, 0xf2, 0xd3, 0xab, + 0x44, 0x11, 0x92, 0xd9, 0x23, 0x20, 0x2e, 0x89, 0xb4, 0x7c, 0xb8, 0x26, 0x77, 0x99, 0xe3, 0xa5, + 0x67, 0x4a, 0xed, 0xde, 0xc5, 0x31, 0xfe, 0x18, 0x0d, 0x63, 0x8c, 0x80, 0xc0, 0xf7, 0x70, 0x07) def sub_bytes(data): return [SBOX[x] for x in data] +def sub_bytes_inv(data): + return [SBOX_INV[x] for x in data] + def rotate(data): return data[1:] + [data[0]] @@ -160,30 +260,31 @@ def key_schedule_core(data, rcon_iteration): def xor(data1, data2): return [x^y for x, y in zip(data1, data2)] -def mix_column(data): +def rijndael_mul(a, b): + if(a==0 or b==0): + return 0 + return RIJNDAEL_EXP_TABLE[(RIJNDAEL_LOG_TABLE[a] + RIJNDAEL_LOG_TABLE[b]) % 0xFF] + +def mix_column(data, matrix): data_mixed = [] for row in range(4): mixed = 0 for column in range(4): - addend = data[column] - if MIX_COLUMN_MATRIX[row][column] in (2,3): - addend <<= 1 - if addend > 0xff: - addend &= 0xff - addend ^= 0x1b - if MIX_COLUMN_MATRIX[row][column] == 3: - addend ^= data[column] - mixed ^= addend & 0xff + # xor is (+) and (-) + mixed ^= rijndael_mul(data[column], matrix[row][column]) data_mixed.append(mixed) return data_mixed -def mix_columns(data): +def mix_columns(data, matrix=MIX_COLUMN_MATRIX): data_mixed = [] for i in range(4): column = data[i*4 : (i+1)*4] - data_mixed += mix_column(column) + data_mixed += mix_column(column, matrix) return data_mixed +def mix_columns_inv(data): + return mix_columns(data, MIX_COLUMN_MATRIX_INV) + def shift_rows(data): data_shifted = [] for column in range(4): @@ -191,6 +292,13 @@ def shift_rows(data): data_shifted.append( data[((column + row) & 0b11) * 4 + row] ) return data_shifted +def shift_rows_inv(data): + data_shifted = [] + for column in range(4): + for row in range(4): + data_shifted.append( data[((column - row) & 0b11) * 4 + row] ) + return data_shifted + def inc(data): data = data[:] # copy for i in range(len(data)-1,-1,-1): diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py index 2aa11fc80..a39a1e2f4 100644 --- a/youtube_dl/extractor/__init__.py +++ b/youtube_dl/extractor/__init__.py @@ -33,6 +33,7 @@ from .collegehumor import CollegeHumorIE from .comedycentral import ComedyCentralIE, ComedyCentralShowsIE from .condenast import CondeNastIE from .criterion import CriterionIE +from .crunchyroll import CrunchyrollIE from .cspan import CSpanIE from .d8 import D8IE from .dailymotion import ( diff --git a/youtube_dl/extractor/crunchyroll.py b/youtube_dl/extractor/crunchyroll.py new file mode 100644 index 000000000..4bd366079 --- /dev/null +++ b/youtube_dl/extractor/crunchyroll.py @@ -0,0 +1,171 @@ +# encoding: utf-8 +import re, base64, zlib +from hashlib import sha1 +from math import pow, sqrt, floor +from .common import InfoExtractor +from ..utils import ( + ExtractorError, + compat_urllib_parse, + compat_urllib_request, + bytes_to_intlist, + intlist_to_bytes, + unified_strdate, + clean_html, +) +from ..aes import ( + aes_cbc_decrypt, + inc, +) + +class CrunchyrollIE(InfoExtractor): + _VALID_URL = r'(?:https?://)?(?:www\.)?(?P<url>crunchyroll\.com/[^/]*/[^/?&]*?(?P<video_id>[0-9]+))(?:[/?&]|$)' + _TESTS = [{ + u'url': u'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513', + u'file': u'645513.flv', + #u'md5': u'b1639fd6ddfaa43788c85f6d1dddd412', + u'info_dict': { + u'title': u'Wanna be the Strongest in the World – Episode 1 – An Idol-Wrestler is Born!', + u'description': u'md5:2d17137920c64f2f49981a7797d275ef', + u'thumbnail': u'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg', + u'uploader': u'Yomiuri Telecasting Corporation (YTV)', + u'upload_date': u'20131013', + }, + u'params': { + # rtmp + u'skip_download': True, + }, + }] + + _FORMAT_IDS = { + u'360': (u'60', u'106'), + u'480': (u'61', u'106'), + u'720': (u'62', u'106'), + u'1080': (u'80', u'108'), + } + + def _decrypt_subtitles(self, data, iv, id): + data = bytes_to_intlist(data) + iv = bytes_to_intlist(iv) + id = int(id) + + def obfuscate_key_aux(count, modulo, start): + output = list(start) + for _ in range(count): + output.append(output[-1] + output[-2]) + # cut off start values + output = output[2:] + output = list(map(lambda x: x % modulo + 33, output)) + return output + + def obfuscate_key(key): + num1 = int(floor(pow(2, 25) * sqrt(6.9))) + num2 = (num1 ^ key) << 5 + num3 = key ^ num1 + num4 = num3 ^ (num3 >> 3) ^ num2 + prefix = intlist_to_bytes(obfuscate_key_aux(20, 97, (1, 2))) + shaHash = bytes_to_intlist(sha1(prefix + str(num4).encode(u'ascii')).digest()) + # Extend 160 Bit hash to 256 Bit + return shaHash + [0] * 12 + + key = obfuscate_key(id) + class Counter: + __value = iv + def next_value(self): + temp = self.__value + self.__value = inc(self.__value) + return temp + decrypted_data = intlist_to_bytes(aes_cbc_decrypt(data, key, iv)) + return zlib.decompress(decrypted_data) + + def _convert_subtitles_to_srt(self, subtitles): + i=1 + output = u'' + for start, end, text in re.findall(r'<event [^>]*?start="([^"]+)" [^>]*?end="([^"]+)" [^>]*?text="([^"]+)"[^>]*?>', subtitles): + start = start.replace(u'.', u',') + end = end.replace(u'.', u',') + text = clean_html(text) + text = text.replace(u'\\N', u'\n') + if not text: + continue + output += u'%d\n%s --> %s\n%s\n\n' % (i, start, end, text) + i+=1 + return output + + def _real_extract(self,url): + mobj = re.match(self._VALID_URL, url) + + webpage_url = u'http://www.' + mobj.group('url') + video_id = mobj.group(u'video_id') + webpage = self._download_webpage(webpage_url, video_id) + note_m = self._html_search_regex(r'<div class="showmedia-trailer-notice">(.+?)</div>', webpage, u'trailer-notice', default=u'') + if note_m: + raise ExtractorError(note_m) + + video_title = self._html_search_regex(r'<h1[^>]*>(.+?)</h1>', webpage, u'video_title', flags=re.DOTALL) + video_title = re.sub(r' {5} *–? *', u' – ', video_title) + video_description = self._html_search_regex(r'"description":"([^"]+)', webpage, u'video_description', default=u'') + if not video_description: + video_description = None + video_upload_date = self._html_search_regex(r'<div>Availability for free users:(.+?)</div>', webpage, u'video_upload_date', fatal=False, flags=re.DOTALL) + if video_upload_date: + video_upload_date = unified_strdate(video_upload_date) + video_uploader = self._html_search_regex(r'<div>\s*Publisher:(.+?)</div>', webpage, u'video_uploader', fatal=False, flags=re.DOTALL) + + playerdata_url = compat_urllib_parse.unquote(self._html_search_regex(r'"config_url":"([^"]+)', webpage, u'playerdata_url')) + playerdata_req = compat_urllib_request.Request(playerdata_url) + playerdata_req.data = compat_urllib_parse.urlencode({u'current_page': webpage_url}) + playerdata_req.add_header(u'Content-Type', u'application/x-www-form-urlencoded') + playerdata = self._download_webpage(playerdata_req, video_id, note=u'Downloading media info') + + stream_id = self._search_regex(r'<media_id>([^<]+)', playerdata, u'stream_id') + video_thumbnail = self._search_regex(r'<episode_image_url>([^<]+)', playerdata, u'thumbnail', fatal=False) + + formats = [] + for fmt in re.findall(r'\?p([0-9]{3,4})=1', webpage): + stream_quality, stream_format = self._FORMAT_IDS[fmt] + video_format = fmt+u'p' + streamdata_req = compat_urllib_request.Request(u'http://www.crunchyroll.com/xml/') + # urlencode doesn't work! + streamdata_req.data = u'req=RpcApiVideoEncode%5FGetStreamInfo&video%5Fencode%5Fquality='+stream_quality+u'&media%5Fid='+stream_id+u'&video%5Fformat='+stream_format + streamdata_req.add_header(u'Content-Type', u'application/x-www-form-urlencoded') + streamdata_req.add_header(u'Content-Length', str(len(streamdata_req.data))) + streamdata = self._download_webpage(streamdata_req, video_id, note=u'Downloading media info for '+video_format) + video_url = self._search_regex(r'<host>([^<]+)', streamdata, u'video_url') + video_play_path = self._search_regex(r'<file>([^<]+)', streamdata, u'video_play_path') + formats.append({ + u'url': video_url, + u'play_path': video_play_path, + u'ext': 'flv', + u'format': video_format, + u'format_id': video_format, + }) + + subtitles = {} + for sub_id, sub_name in re.findall(r'\?ssid=([0-9]+)" title="([^"]+)', webpage): + sub_page = self._download_webpage(u'http://www.crunchyroll.com/xml/?req=RpcApiSubtitle_GetXml&subtitle_script_id='+sub_id,\ + video_id, note=u'Downloading subtitles for '+sub_name) + id = self._search_regex(r'id=\'([0-9]+)', sub_page, u'subtitle_id', fatal=False) + iv = self._search_regex(r'<iv>([^<]+)', sub_page, u'subtitle_iv', fatal=False) + data = self._search_regex(r'<data>([^<]+)', sub_page, u'subtitle_data', fatal=False) + if not id or not iv or not data: + continue + id = int(id) + iv = base64.b64decode(iv) + data = base64.b64decode(data) + + subtitle = self._decrypt_subtitles(data, iv, id).decode(u'utf-8') + lang_code = self._search_regex(r'lang_code=\'([^\']+)', subtitle, u'subtitle_lang_code', fatal=False) + if not lang_code: + continue + subtitles[lang_code] = self._convert_subtitles_to_srt(subtitle) + + return { + u'id': video_id, + u'title': video_title, + u'description': video_description, + u'thumbnail': video_thumbnail, + u'uploader': video_uploader, + u'upload_date': video_upload_date, + u'subtitles': subtitles, + u'formats': formats, + } |