1 files changed, 153 insertions, 0 deletions
diff --git a/youtube_dl/extractor/daisuki.py b/youtube_dl/extractor/daisuki.py
new file mode 100644
index 000000000..5c9ac68a0
--- /dev/null
+++ b/youtube_dl/extractor/daisuki.py
@@ -0,0 +1,153 @@
+from __future__ import unicode_literals
+
+import base64
+import json
+import random
+import re
+
+from .common import InfoExtractor
+from ..aes import (
+    aes_cbc_decrypt,
+    aes_cbc_encrypt,
+)
+from ..utils import (
+    bytes_to_intlist,
+    bytes_to_long,
+    extract_attributes,
+    ExtractorError,
+    intlist_to_bytes,
+    js_to_json,
+    int_or_none,
+    long_to_bytes,
+    pkcs1pad,
+)
+
+
+class DaisukiMottoIE(InfoExtractor):
+    _VALID_URL = r'https?://motto\.daisuki\.net/framewatch/embed/[^/]+/(?P<id>[0-9a-zA-Z]{3})'
+
+    _TEST = {
+        'url': 'http://motto.daisuki.net/framewatch/embed/embedDRAGONBALLSUPERUniverseSurvivalsaga/V2e/760/428',
+        'info_dict': {
+            'id': 'V2e',
+            'ext': 'mp4',
+            'title': '#117 SHOWDOWN OF LOVE! ANDROIDS VS UNIVERSE 2!!',
+            'subtitles': {
+                'mul': [{
+                    'ext': 'ttml',
+                }],
+            },
+        },
+        'params': {
+            'skip_download': True,  # AES-encrypted HLS stream
+        },
+    }
+
+    # The public key in PEM format can be found in clientlibs_anime_watch.min.js
+    _RSA_KEY = (0xc5524c25e8e14b366b3754940beeb6f96cb7e2feef0b932c7659a0c5c3bf173d602464c2df73d693b513ae06ff1be8f367529ab30bf969c5640522181f2a0c51ea546ae120d3d8d908595e4eff765b389cde080a1ef7f1bbfb07411cc568db73b7f521cedf270cbfbe0ddbc29b1ac9d0f2d8f4359098caffee6d07915020077d, 65537)
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, video_id)
+
+        flashvars = self._parse_json(self._search_regex(
+            r'(?s)var\s+flashvars\s*=\s*({.+?});', webpage, 'flashvars'),
+            video_id, transform_source=js_to_json)
+
+        iv = [0] * 16
+
+        data = {}
+        for key in ('device_cd', 'mv_id', 'ss1_prm', 'ss2_prm', 'ss3_prm', 'ss_id'):
+            data[key] = flashvars.get(key, '')
+
+        encrypted_rtn = None
+
+        # Some AES keys are rejected. Try it with different AES keys
+        for idx in range(5):
+            aes_key = [random.randint(0, 254) for _ in range(32)]
+            padded_aeskey = intlist_to_bytes(pkcs1pad(aes_key, 128))
+
+            n, e = self._RSA_KEY
+            encrypted_aeskey = long_to_bytes(pow(bytes_to_long(padded_aeskey), e, n))
+            init_data = self._download_json(
+                'http://motto.daisuki.net/fastAPI/bgn/init/',
+                video_id, query={
+                    's': flashvars.get('s', ''),
+                    'c': flashvars.get('ss3_prm', ''),
+                    'e': url,
+                    'd': base64.b64encode(intlist_to_bytes(aes_cbc_encrypt(
+                        bytes_to_intlist(json.dumps(data)),
+                        aes_key, iv))).decode('ascii'),
+                    'a': base64.b64encode(encrypted_aeskey).decode('ascii'),
+                }, note='Downloading JSON metadata' + (' (try #%d)' % (idx + 1) if idx > 0 else ''))
+
+            if 'rtn' in init_data:
+                encrypted_rtn = init_data['rtn']
+                break
+
+            self._sleep(5, video_id)
+
+        if encrypted_rtn is None:
+            raise ExtractorError('Failed to fetch init data')
+
+        rtn = self._parse_json(
+            intlist_to_bytes(aes_cbc_decrypt(bytes_to_intlist(
+                base64.b64decode(encrypted_rtn)),
+                aes_key, iv)).decode('utf-8').rstrip('\0'),
+            video_id)
+
+        title = rtn['title_str']
+
+        formats = self._extract_m3u8_formats(
+            rtn['play_url'], video_id, ext='mp4', entry_protocol='m3u8_native')
+
+        subtitles = {}
+        caption_url = rtn.get('caption_url')
+        if caption_url:
+            # mul: multiple languages
+            subtitles['mul'] = [{
+                'url': caption_url,
+                'ext': 'ttml',
+            }]
+
+        return {
+            'id': video_id,
+            'title': title,
+            'formats': formats,
+            'subtitles': subtitles,
+        }
+
+
+class DaisukiMottoPlaylistIE(InfoExtractor):
+    _VALID_URL = r'https?://motto\.daisuki\.net/(?P<id>information)/'
+
+    _TEST = {
+        'url': 'http://motto.daisuki.net/information/',
+        'info_dict': {
+            'title': 'DRAGON BALL SUPER',
+        },
+        'playlist_mincount': 117,
+    }
+
+    def _real_extract(self, url):
+        playlist_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, playlist_id)
+
+        entries = []
+        for li in re.findall(r'(<li[^>]+?data-product_id="[a-zA-Z0-9]{3}"[^>]+>)', webpage):
+            attr = extract_attributes(li)
+            ad_id = attr.get('data-ad_id')
+            product_id = attr.get('data-product_id')
+            if ad_id and product_id:
+                episode_id = attr.get('data-chapter')
+                entries.append({
+                    '_type': 'url_transparent',
+                    'url': 'http://motto.daisuki.net/framewatch/embed/%s/%s/760/428' % (ad_id, product_id),
+                    'episode_id': episode_id,
+                    'episode_number': int_or_none(episode_id),
+                    'ie_key': 'DaisukiMotto',
+                })
+
+        return self.playlist_result(entries, playlist_title='DRAGON BALL SUPER')