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Code Issues Releases Activity

Remove signatures from profile pic URLs

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Fixes #75 as suggested by @e5150.
This commit is contained in:
André Koch-Kramer 2018-02-15 16:10:04 +01:00
parent 6f3afd2fa1
commit 541b29b2e9
1 changed files with 20 additions and 5 deletions
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25
instaloader.py
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@ -53,6 +53,10 @@ class QueryReturnedNotFoundException(InstaloaderException):
pass
class QueryReturnedForbiddenException(InstaloaderException):
pass
class ProfileNotExistsException(InstaloaderException):
pass
@ -525,6 +529,9 @@ class Instaloader:
resp.raw.decode_content = True
shutil.copyfileobj(resp.raw, file)
else:
if resp.status_code == 403:
# suspected invalid URL signature
raise QueryReturnedForbiddenException("403 when accessing {}.".format(url))
if resp.status_code == 404:
# 404 not worth retrying.
raise QueryReturnedNotFoundException("404 when accessing {}.".format(url))
@ -848,8 +855,11 @@ class Instaloader:
os.utime(filename, (datetime.now().timestamp(), mtime.timestamp()))
self._log('geo', end=' ', flush=True)
def download_profilepic(self, name: str, url: str) -> None:
"""Downloads and saves profile pic with given url."""
def download_profilepic(self, name: str, profile_metadata: Dict[str, Any]) -> None:
"""Downloads and saves profile pic."""
url = profile_metadata["user"]["profile_pic_url_hd"] if "profile_pic_url_hd" in profile_metadata["user"] \
else profile_metadata["user"]["profile_pic_url"]
def _epoch_to_string(epoch: datetime) -> str:
return epoch.strftime('%Y-%m-%d_%H-%M-%S')
@ -867,8 +877,13 @@ class Instaloader:
if os.path.isfile(filename):
self._log(filename + ' already exists')
return None
url = re.sub(r'/s([1-9][0-9]{2})x\1/', '/s2048x2048/', url)
self._get_and_write_raw(url, filename)
url_best = re.sub(r'/s([1-9][0-9]{2})x\1/', '/s2048x2048/', url)
url_best = re.sub(r'/vp/[a-f0-9]{32}/[A-F0-9]{8}/', '/', url_best) # remove signature
try:
self._get_and_write_raw(url_best, filename)
except (QueryReturnedForbiddenException, QueryReturnedNotFoundException) as err:
self.error('{} Retrying with lower quality version.'.format(err))
self._get_and_write_raw(url, filename)
os.utime(filename, (datetime.now().timestamp(), date_object.timestamp()))
self._log('') # log output of _get_and_write_raw() does not produce \n
@ -1341,7 +1356,7 @@ class Instaloader:
# Download profile picture
if profile_pic or profile_pic_only:
with self._error_catcher('Download profile picture of {}'.format(name)):
self.download_profilepic(name, profile_metadata["user"]["profile_pic_url"])
self.download_profilepic(name, profile_metadata)
if profile_pic_only:
return