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synced 2024-08-17 12:19:38 +02:00
Usability fixes in improvements
On module level: Cleaner exception handling for load_session_from file interactive_login logs in interactively now, always asking the user for password. Before, it had an optional password parameter determining whether it was interactive or not. On application level: Warn if profile specifiers are used which require login, but not --login flag was given (@profile, :feed-all, :feed-liked). Clearly warn that --password is insecure.
This commit is contained in:
Alexander Graf
parent
8607135740
commit
c0eecd1bd2
@ -407,24 +407,22 @@ class Instaloader:
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self._log("Saved session to %s." % filename)
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def load_session_from_file(self, username: str, filename: Optional[str] = None) -> None:
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"""Returns loaded requests.Session object, or None if not found."""
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self.username = username
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using_default_session = False
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"""Internally stores requests.Session object loaded from file.
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If filename is None, the file with the default session path is loaded.
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:raises FileNotFoundError; If the file does not exist.
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"""
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if filename is None:
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filename = get_default_session_filename(username)
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using_default_session = True
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try:
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with open(filename, 'rb') as sessionfile:
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session = requests.Session()
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session.cookies = requests.utils.cookiejar_from_dict(pickle.load(sessionfile))
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session.headers.update(default_http_header())
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session.headers.update({'X-CSRFToken': session.cookies.get_dict()['csrftoken']})
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self._log("Loaded session from %s." % filename)
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self.session = session
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self.username = username
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except FileNotFoundError as err:
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if not using_default_session:
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print(err, file=sys.stderr)
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with open(filename, 'rb') as sessionfile:
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session = requests.Session()
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session.cookies = requests.utils.cookiejar_from_dict(pickle.load(sessionfile))
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session.headers.update(default_http_header())
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session.headers.update({'X-CSRFToken': session.cookies.get_dict()['csrftoken']})
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self._log("Loaded session from %s." % filename)
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self.session = session
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self.username = username
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def test_login(self, session: requests.Session) -> Optional[str]:
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"""Returns the Instagram username to which given requests.Session object belongs, or None."""
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@ -766,13 +764,13 @@ class Instaloader:
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return
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data = self.get_json(name, max_id=get_last_id(data))
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def interactive_login(self, username: str, password: Optional[str] = None) -> None:
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"""Logs in and returns session, asking user for password if needed"""
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if password is not None:
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self.login(username, password)
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return
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def interactive_login(self, username: str) -> None:
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"""Logs in and internally stores session, asking user for password interactively.
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:raises LoginRequiredException: when in quiet mode."""
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if self.quiet:
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raise LoginRequiredException("Quiet mode requires given password or valid session file.")
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password = None
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while password is None:
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password = getpass.getpass(prompt="Enter Instagram password for %s: " % username)
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try:
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@ -786,12 +784,20 @@ class Instaloader:
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profile_pic_only: bool = False, download_videos: bool = True, geotags: bool = False,
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fast_update: bool = False, hashtag_lookup_username: bool = False) -> None:
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"""Download set of profiles and handle sessions"""
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# pylint:disable=too-many-branches,too-many-locals
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# pylint:disable=too-many-branches,too-many-locals,too-many-statements
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# Login, if desired
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if username is not None:
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self.load_session_from_file(username, sessionfile)
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try:
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self.load_session_from_file(username, sessionfile)
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except FileNotFoundError as err:
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if sessionfile is not None:
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print(err, file=sys.stderr)
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self._log("Session file does not exist yet - Logging in.")
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if username != self.test_login(self.session):
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self.interactive_login(username, password)
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if password is not None:
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self.login(username, password)
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else:
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self.interactive_login(username)
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self._log("Logged in as %s." % username)
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# Try block for KeyboardInterrupt (save session on ^C)
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failedtargets = []
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@ -804,22 +810,31 @@ class Instaloader:
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self.download_hashtag(hashtag=pentry[1:], max_count=max_count, fast_update=fast_update,
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download_videos=download_videos, geotags=geotags,
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lookup_username=hashtag_lookup_username)
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elif pentry[0] == '@' and username is not None:
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self._log("Retrieving followees of %s..." % pentry[1:])
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followees = self.get_followees(pentry[1:])
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targets.update([followee['username'] for followee in followees])
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elif pentry == ":feed-all" and username is not None:
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self._log("Retrieving pictures from your feed...")
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self.download_feed_pics(fast_update=fast_update, max_count=max_count,
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download_videos=download_videos, geotags=geotags)
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elif pentry == ":feed-liked" and username is not None:
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self._log("Retrieving pictures you liked from your feed...")
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self.download_feed_pics(fast_update=fast_update, max_count=max_count,
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filter_func=lambda node:
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not node["likes"]["viewer_has_liked"]
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if "likes" in node
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else not node["viewer_has_liked"],
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download_videos=download_videos, geotags=geotags)
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elif pentry[0] == '@':
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if username is not None:
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self._log("Retrieving followees of %s..." % pentry[1:])
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followees = self.get_followees(pentry[1:])
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targets.update([followee['username'] for followee in followees])
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else:
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print("--login=USERNAME required to download {}.".format(pentry), file=sys.stderr)
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elif pentry == ":feed-all":
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if username is not None:
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self._log("Retrieving pictures from your feed...")
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self.download_feed_pics(fast_update=fast_update, max_count=max_count,
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download_videos=download_videos, geotags=geotags)
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else:
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print("--login=USERNAME required to download {}.".format(pentry), file=sys.stderr)
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elif pentry == ":feed-liked":
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if username is not None:
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self._log("Retrieving pictures you liked from your feed...")
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self.download_feed_pics(fast_update=fast_update, max_count=max_count,
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filter_func=lambda node:
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not node["likes"]["viewer_has_liked"]
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if "likes" in node
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else not node["viewer_has_liked"],
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download_videos=download_videos, geotags=geotags)
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else:
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print("--login=USERNAME required to download {}.".format(pentry), file=sys.stderr)
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else:
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targets.add(pentry)
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if len(targets) > 1:
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@ -869,7 +884,8 @@ def main():
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'profiles, but if you want to download private profiles or all followees of '
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'some profile, you have to specify a username used to login.')
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parser.add_argument('-p', '--password', metavar='YOUR-PASSWORD',
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help='Password for your Instagram account. If --login is given and there is '
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help='Note that specifying passwords on command line is considered insecure! '
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'Password for your Instagram account. If --login is given and there is '
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'not yet a valid session file, you\'ll be prompted for your password if '
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'--password is not given. Specifying this option without --login has no '
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'effect.')
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