[ie/instagram] Avoid unnecessary API call (#17127)

Fix 8b8e3e3cb4d3ba0dedf7b1fd00ce68f07da7e588

Authored by: bashonly

yt_dlp/extractor/instagram.py

@@ -7,6 +7,7 @@ import urllib.parse
 
 from .common import InfoExtractor
 from ..networking.exceptions import HTTPError
+from ..networking.impersonate import ImpersonateTarget
 from ..utils import (
     ExtractorError,
     bug_reports_message,
@@ -57,6 +58,10 @@ class InstagramBaseIE(InfoExtractor):
         '.instagram.com',
     )
 
+    @functools.cached_property
+    def _can_impersonate(self):
+        return self._downloader._impersonate_target_available(ImpersonateTarget())
+
     @property
     def _is_logged_in(self):
         return bool(self._get_cookies(self._BASE_URL).get(self._AUTH_COOKIE_NAME))
@@ -413,7 +418,8 @@ class InstagramIE(InstagramBaseIE):
             self.write_debug('Found Instagram account cookies')
             return
         if not self._lsd_token:
-            webpage = self._download_webpage(self._BASE_URL, None, 'Setting up session', impersonate=True)
+            webpage = self._download_webpage(
+                self._BASE_URL, None, 'Setting up session', impersonate=self._can_impersonate)
             eqmc = self._search_json(
                 r'<script\b[^>]*\bid="__eqmc"[^>]*>', webpage, 'eqmc JSON', None, default={})
             self._lsd_token = (
@@ -429,7 +435,8 @@ class InstagramIE(InstagramBaseIE):
                 return self._extract_product(self._download_json(
                     f'{self._API_BASE_URL}/media/{media_id}/info/', video_id,
                     'Downloading video info', 'Video info extraction failed',
-                    impersonate=self._is_web_app, headers=self._api_headers)['items'][0])
+                    impersonate=self._can_impersonate and self._is_web_app,
+                    headers=self._api_headers)['items'][0])
             except ExtractorError as e:
                 if not (isinstance(e.cause, HTTPError) and self._is_login_redirect(e.cause.response.url)):
                     raise
@@ -444,7 +451,7 @@ class InstagramIE(InstagramBaseIE):
         api_check = self._download_json(
             f'{self._API_BASE_URL}/web/get_ruling_for_content/', video_id,
             'Checking post accessibility', errnote=False, fatal=False,
-            impersonate=True, headers=self._api_headers,
+            impersonate=self._can_impersonate, headers=self._api_headers,
             query={'content_type': 'MEDIA', 'target_id': media_id}) or {}
 
         csrf_token = self._get_cookies('https://www.instagram.com').get('csrftoken')
@@ -472,7 +479,7 @@ class InstagramIE(InstagramBaseIE):
                 'server_timestamps': 'true',
                 'variables': json.dumps({'media_id': media_id}, separators=(',', ':')),
                 'doc_id': '27130156389949648',
-            }))
+            })) if self._can_impersonate else None
 
         media = traverse_obj(response, ('data', 'xig_polaris_media', {dict}))
         product_info = traverse_obj(media, ('if_not_gated_logged_out', {dict}))
@@ -490,7 +497,7 @@ class InstagramIE(InstagramBaseIE):
                     'This content is only available for registered users who follow this account')
 
             webpage, urlh = self._download_webpage_handle(
-                f'https://www.instagram.com/p/{video_id}', video_id)
+                f'https://www.instagram.com/p/{video_id}', video_id, impersonate=self._can_impersonate)
             if self._is_login_redirect(urlh.url):
                 self.raise_login_required(
                     'The webpage request was redirected to the login page. '
@@ -710,7 +717,8 @@ class InstagramStoryIE(InstagramBaseIE):
         if username == 'highlights' and not story_id:  # story id is only mandatory for highlights
             raise ExtractorError('Input URL is missing a highlight ID', expected=True)
         display_id = story_id or username
-        story_info = self._download_webpage(url, display_id, impersonate=self._is_web_app)
+        story_info = self._download_webpage(
+            url, display_id, impersonate=self._can_impersonate and self._is_web_app)
         user_info = self._search_json(r'"user":', story_info, 'user info', display_id, fatal=False)
         if not user_info:
             self.raise_login_required('This content is unreachable')
@@ -725,8 +733,8 @@ class InstagramStoryIE(InstagramBaseIE):
 
         videos = traverse_obj(self._download_json(
             f'{self._API_BASE_URL}/feed/reels_media/?reel_ids={story_info_url}',
-            display_id, errnote=False, fatal=False, impersonate=self._is_web_app,
+            display_id, errnote=False, fatal=False, headers=self._api_headers,
-            headers=self._api_headers), 'reels')
+            impersonate=self._can_impersonate and self._is_web_app), 'reels')
         if not videos:
             self.raise_login_required('You need to log in to access this content')
         user_info = traverse_obj(videos, (user_id, 'user', {dict})) or {}