[iqiyi] Add new extractor for iqiyi.com

1 files changed, 214 insertions, 0 deletions

diff --git a/youtube_dl/extractor/iqiyi.py b/youtube_dl/extractor/iqiyi.py
new file mode 100644
index 000000000..d96d13225
--- /dev/null
+++ b/youtube_dl/extractor/iqiyi.py
@@ -0,0 +1,214 @@
+# coding: utf-8
+
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+
+from ..compat import (
+    compat_chr,
+    compat_parse_qs,
+    compat_urllib_parse,
+    compat_urllib_request,
+    compat_urlparse,
+    compat_str,
+)
+
+from ..utils import ExtractorError
+
+import re
+import time
+import json
+import uuid
+import math
+import random
+import zlib
+import hashlib
+
+class IqiyiIE(InfoExtractor):
+    IE_NAME = 'iqiyi'
+
+    _VALID_URL = r'http://(?:www\.)iqiyi.com/.+?\.html'
+
+    _TEST = {
+            'url': 'http://www.iqiyi.com/v_19rrojlavg.html',
+            'md5': '260f0f59686e65e886995d0ba791ab83',
+            'info_dict': {
+                'id': '9c1fb1b99d192b21c559e5a1a2cb3c73',
+                'title': '美国德州空中惊现奇异云团 酷似UFO',
+                'ext': 'f4v'
+            }
+    }
+
+    def construct_video_urls(self, data, video_id, _uuid):
+        def do_xor(x, y):
+            a = y % 3
+            if a == 1:
+                return x ^ 121
+            if a == 2:
+                return x ^ 72
+            return x ^ 103
+
+        def get_encode_code(l):
+            a = 0
+            b = l.split('-')
+            c = len(b)
+            s = ''
+            for i in range(c - 1, -1, -1):
+                a = do_xor(int(b[c-i-1], 16), i)
+                s += chr(a)
+            return s[::-1]
+
+        def get_path_key(x):
+            mg = ')(*&^flash@#$%a'
+            tm = self._download_json(
+                'http://data.video.qiyi.com/t?tn=' + str(random.random()), video_id)['t']
+            t = str(int(math.floor(int(tm)/(600.0))))
+            return hashlib.md5(
+                 (t+mg+x).encode('utf8')).hexdigest()
+
+        video_urls_dict = {}
+        for i in data['vp']['tkl'][0]['vs']:
+            if 0 < int(i['bid']) <= 10:
+                format_id = self.get_format(i['bid'])
+
+            video_urls_info = i['fs']
+            if not i['fs'][0]['l'].startswith('/'):
+                t = get_encode_code(i['fs'][0]['l'])
+                if t.endswith('mp4'):
+                    video_urls_info = i['flvs']
+
+            video_urls = []
+            for ii in video_urls_info:
+                vl = ii['l']
+                if not vl.startswith('/'):
+                    vl = get_encode_code(vl)
+                key = get_path_key(
+                    vl.split('/')[-1].split('.')[0])
+                filesize = ii['b']
+                base_url = data['vp']['du'].split('/')
+                base_url.insert(-1, key)
+                base_url = '/'.join(base_url)
+                param = {
+                    'su': _uuid,
+                    'qyid': uuid.uuid4().hex,
+                    'client': '',
+                    'z': '',
+                    'bt': '',
+                    'ct': '',
+                    'tn': str(int(time.time()))
+                }
+                api_video_url = base_url + vl + '?' + \
+                    compat_urllib_parse.urlencode(param)
+                js = self._download_json(api_video_url, video_id)
+                video_url = js['l']
+                video_urls.append(
+                    (video_url, filesize))
+
+            video_urls_dict[format_id] = video_urls
+        return video_urls_dict
+
+    def get_format(self, bid):
+        bid_dict = {
+            '1': 'standard',
+            '2': 'high',
+            '3': 'super',
+            '4': 'suprt-high',
+            '5': 'fullhd',
+            '10': '4k'
+        }
+        return bid_dict[str(bid)]
+
+    def get_raw_data(self, tvid, video_id, enc_key, _uuid):
+        tm = str(int(time.time()))
+        param = {
+            'key': 'fvip',
+            'src': hashlib.md5(b'youtube-dl').hexdigest(),
+            'tvId': tvid,
+            'vid': video_id,
+            'vinfo': 1,
+            'tm': tm,
+            'enc': hashlib.md5(
+                (enc_key + tm + tvid).encode('utf8')).hexdigest(),
+            'qyid': _uuid,
+            'tn': random.random(),
+            'um': 0,
+            'authkey': hashlib.md5(
+                (tm + tvid).encode('utf8')).hexdigest()
+        }
+
+        api_url = 'http://cache.video.qiyi.com/vms' + '?' + \
+            compat_urllib_parse.urlencode(param)
+        raw_data = self._download_json(api_url, video_id)
+        return raw_data
+
+    def get_enc_key(self, swf_url, video_id):
+        req = self._request_webpage(
+            swf_url, video_id, note='download swf content')
+        cn = req.read()
+        cn = zlib.decompress(cn[8:])
+        pt = re.compile(b'MixerRemote\x08(?P<enc_key>.+?)\$&vv')
+        enc_key = self._search_regex(pt, cn, 'enc_key').decode('utf8')
+        return enc_key
+
+    def _real_extract(self, url):
+        webpage = self._download_webpage(
+            url, 'temp_id', note='download video page')
+        tvid = self._search_regex(
+            r'tvId ?= ?(\'|\")(?P<tvid>\d+)', webpage, 'tvid', flags=re.I, group='tvid')
+        video_id = self._search_regex(
+            r'videoId ?= ?(\'|\")(?P<video_id>[a-z\d]+)',
+            webpage, 'video_id', flags=re.I, group='video_id')
+        swf_url = self._search_regex(
+            r'(?P<swf>http://.+?MainPlayer.+?\.swf)', webpage, 'swf')
+        _uuid = uuid.uuid4().hex
+
+        enc_key = self.get_enc_key(swf_url, video_id)
+
+        raw_data = self.get_raw_data(tvid, video_id, enc_key, _uuid)
+        assert raw_data['code'] == 'A000000'
+        if not raw_data['data']['vp']['tkl']:
+            raise ExtractorError('No support iQiqy VIP video')
+
+        data = raw_data['data']
+
+        title = data['vi']['vn']
+
+        # generate video_urls_dict
+        video_urls_dict = self.construct_video_urls(data, video_id, _uuid)
+
+        # construct info
+        entries = []
+        for format_id in video_urls_dict:
+            video_urls = video_urls_dict[format_id]
+            for i, video_url_info in enumerate(video_urls):
+                if len(entries) < i+1:
+                    entries.append({'formats': []})
+                entries[i]['formats'].append(
+                    {
+                        'url': video_url_info[0],
+                        'filesize': video_url_info[-1],
+                        'format_id': format_id,
+                    }
+                )
+
+        for i in range(len(entries)):
+            entries[i].update(
+                {
+                    'id': '_part%d' % (i+1),
+                    'title': title,
+                }
+            )
+
+        if len(entries) > 1:
+            info = {
+                '_type': 'multi_video',
+                'id': video_id,
+                'title': title,
+                'entries': entries,
+            }
+        else:
+            info = entries[0]
+            info['id'] = video_id
+            info['title'] = title
+
+        return info