Merge pull request #9288 from reyyed/issue#9063fix
[youtube-dl] / youtube_dl / extractor / facebook.py
index 6c6c3b1bd460407322aab1f35ddd8e55cefaad17..0d43acc4ac7ff0162bdcc95471ccdb2376c0f7f2 100644 (file)
@@ -37,7 +37,9 @@ class FacebookIE(InfoExtractor):
                                 video/embed|
                                 story\.php
                             )\?(?:.*?)(?:v|video_id|story_fbid)=|
-                            [^/]+/videos/(?:[^/]+/)?
+                            [^/]+/videos/(?:[^/]+/)?|
+                            [^/]+/posts/|
+                            groups/[^/]+/permalink/
                         )|
                     facebook:
                 )
@@ -50,6 +52,8 @@ class FacebookIE(InfoExtractor):
 
     _CHROME_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97 Safari/537.36'
 
+    _VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s'
+
     _TESTS = [{
         'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
         'md5': '6a40d33c0eccbb1af76cf0485a052659',
@@ -81,6 +85,33 @@ class FacebookIE(InfoExtractor):
             'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...',
             'uploader': 'Demy de Zeeuw',
         },
+    }, {
+        'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
+        'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',
+        'info_dict': {
+            'id': '544765982287235',
+            'ext': 'mp4',
+            'title': '"What are you doing running in the snow?"',
+            'uploader': 'FailArmy',
+        }
+    }, {
+        'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903',
+        'md5': '1deb90b6ac27f7efcf6d747c8a27f5e3',
+        'info_dict': {
+            'id': '1035862816472149',
+            'ext': 'mp4',
+            'title': 'What the Flock Is Going On In New Zealand  Credit: ViralHog',
+            'uploader': 'S. Saint',
+        },
+    }, {
+        'note': 'swf params escaped',
+        'url': 'https://www.facebook.com/barackobama/posts/10153664894881749',
+        'md5': '97ba073838964d12c70566e0085c2b91',
+        'info_dict': {
+            'id': '10153664894881749',
+            'ext': 'mp4',
+            'title': 'Facebook video #10153664894881749',
+        },
     }, {
         'url': 'https://www.facebook.com/video.php?v=10204634152394104',
         'only_matching': True,
@@ -94,10 +125,25 @@ class FacebookIE(InfoExtractor):
         'url': 'facebook:544765982287235',
         'only_matching': True,
     }, {
-        'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903',
+        'url': 'https://www.facebook.com/groups/164828000315060/permalink/764967300301124/',
         'only_matching': True,
     }]
 
+    @staticmethod
+    def _extract_url(webpage):
+        mobj = re.search(
+            r'<iframe[^>]+?src=(["\'])(?P<url>https://www\.facebook\.com/video/embed.+?)\1', webpage)
+        if mobj is not None:
+            return mobj.group('url')
+
+        # Facebook API embed
+        # see https://developers.facebook.com/docs/plugins/embedded-video-player
+        mobj = re.search(r'''(?x)<div[^>]+
+                class=(?P<q1>[\'"])[^\'"]*\bfb-(?:video|post)\b[^\'"]*(?P=q1)[^>]+
+                data-href=(?P<q2>[\'"])(?P<url>(?:https?:)?//(?:www\.)?facebook.com/.+?)(?P=q2)''', webpage)
+        if mobj is not None:
+            return mobj.group('url')
+
     def _login(self):
         (useremail, password) = self._get_login_info()
         if useremail is None:
@@ -164,21 +210,32 @@ class FacebookIE(InfoExtractor):
     def _real_initialize(self):
         self._login()
 
-    def _real_extract(self, url):
-        video_id = self._match_id(url)
-        req = sanitized_Request('https://www.facebook.com/video/video.php?v=%s' % video_id)
+    def _extract_from_url(self, url, video_id, fatal_if_no_video=True):
+        req = sanitized_Request(url)
         req.add_header('User-Agent', self._CHROME_USER_AGENT)
         webpage = self._download_webpage(req, video_id)
 
         video_data = None
 
-        BEFORE = '{swf.addParam(param[0], param[1]);});\n'
+        BEFORE = '{swf.addParam(param[0], param[1]);});'
         AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});'
-        m = re.search(re.escape(BEFORE) + '(.*?)' + re.escape(AFTER), webpage)
-        if m:
-            data = dict(json.loads(m.group(1)))
+        PATTERN = re.escape(BEFORE) + '(?:\n|\\\\n)(.*?)' + re.escape(AFTER)
+
+        for m in re.findall(PATTERN, webpage):
+            swf_params = m.replace('\\\\', '\\').replace('\\"', '"')
+            data = dict(json.loads(swf_params))
             params_raw = compat_urllib_parse_unquote(data['params'])
-            video_data = json.loads(params_raw)['video_data']
+            video_data_candidate = json.loads(params_raw)['video_data']
+            for _, f in video_data_candidate.items():
+                if not f:
+                    continue
+                if isinstance(f, dict):
+                    f = [f]
+                if isinstance(f, list):
+                    continue
+                if f[0].get('video_id') == video_id:
+                    video_data = video_data_candidate
+                    break
 
         def video_data_list2dict(video_data):
             ret = {}
@@ -189,13 +246,15 @@ class FacebookIE(InfoExtractor):
 
         if not video_data:
             server_js_data = self._parse_json(self._search_regex(
-                r'handleServerJS\(({.+})\);', webpage, 'server js data'), video_id)
+                r'handleServerJS\(({.+})\);', webpage, 'server js data', default='{}'), video_id)
             for item in server_js_data.get('instances', []):
                 if item[1][0] == 'VideoConfig':
                     video_data = video_data_list2dict(item[2][0]['videoData'])
                     break
 
         if not video_data:
+            if not fatal_if_no_video:
+                return webpage, False
             m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
             if m_msg is not None:
                 raise ExtractorError(
@@ -206,6 +265,8 @@ class FacebookIE(InfoExtractor):
 
         formats = []
         for format_id, f in video_data.items():
+            if f and isinstance(f, dict):
+                f = [f]
             if not f or not isinstance(f, list):
                 continue
             for quality in ('sd', 'hd'):
@@ -241,39 +302,36 @@ class FacebookIE(InfoExtractor):
             video_title = 'Facebook video #%s' % video_id
         uploader = clean_html(get_element_by_id('fbPhotoPageAuthorName', webpage))
 
-        return {
+        info_dict = {
             'id': video_id,
             'title': video_title,
             'formats': formats,
             'uploader': uploader,
         }
 
-
-class FacebookPostIE(InfoExtractor):
-    IE_NAME = 'facebook:post'
-    _VALID_URL = r'https?://(?:\w+\.)?facebook\.com/[^/]+/posts/(?P<id>\d+)'
-    _TEST = {
-        'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
-        'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',
-        'info_dict': {
-            'id': '544765982287235',
-            'ext': 'mp4',
-            'title': '"What are you doing running in the snow?"',
-            'uploader': 'FailArmy',
-        }
-    }
+        return webpage, info_dict
 
     def _real_extract(self, url):
-        post_id = self._match_id(url)
+        video_id = self._match_id(url)
+
+        real_url = self._VIDEO_PAGE_TEMPLATE % video_id if url.startswith('facebook:') else url
+        webpage, info_dict = self._extract_from_url(real_url, video_id, fatal_if_no_video=False)
 
-        webpage = self._download_webpage(url, post_id)
+        if info_dict:
+            return info_dict
 
-        entries = [
-            self.url_result('facebook:%s' % video_id, FacebookIE.ie_key())
-            for video_id in self._parse_json(
-                self._search_regex(
-                    r'(["\'])video_ids\1\s*:\s*(?P<ids>\[.+?\])',
-                    webpage, 'video ids', group='ids'),
-                post_id)]
+        if '/posts/' in url:
+            entries = [
+                self.url_result('facebook:%s' % vid, FacebookIE.ie_key())
+                for vid in self._parse_json(
+                    self._search_regex(
+                        r'(["\'])video_ids\1\s*:\s*(?P<ids>\[.+?\])',
+                        webpage, 'video ids', group='ids'),
+                    video_id)]
 
-        return self.playlist_result(entries, post_id)
+            return self.playlist_result(entries, video_id)
+        else:
+            _, info_dict = self._extract_from_url(
+                self._VIDEO_PAGE_TEMPLATE % video_id,
+                video_id, fatal_if_no_video=True)
+            return info_dict