diff options
Diffstat (limited to 'synapse/rest/media/v1/_base.py')
| -rw-r--r-- | synapse/rest/media/v1/_base.py | 57 |
1 files changed, 37 insertions, 20 deletions
diff --git a/synapse/rest/media/v1/_base.py b/synapse/rest/media/v1/_base.py index 2dcc8f74d6..3318638d3e 100644 --- a/synapse/rest/media/v1/_base.py +++ b/synapse/rest/media/v1/_base.py @@ -38,8 +38,8 @@ def parse_media_id(request): server_name, media_id = request.postpath[:2] if isinstance(server_name, bytes): - server_name = server_name.decode('utf-8') - media_id = media_id.decode('utf8') + server_name = server_name.decode("utf-8") + media_id = media_id.decode("utf8") file_name = None if len(request.postpath) > 2: @@ -120,11 +120,11 @@ def add_file_headers(request, media_type, file_size, upload_name): # correctly interpret those as of 0.99.2 and (b) they are a bit of a pain and we # may as well just do the filename* version. if _can_encode_filename_as_token(upload_name): - disposition = 'inline; filename=%s' % (upload_name, ) + disposition = "inline; filename=%s" % (upload_name,) else: - disposition = "inline; filename*=utf-8''%s" % (_quote(upload_name), ) + disposition = "inline; filename*=utf-8''%s" % (_quote(upload_name),) - request.setHeader(b"Content-Disposition", disposition.encode('ascii')) + request.setHeader(b"Content-Disposition", disposition.encode("ascii")) # cache for at least a day. # XXX: we might want to turn this off for data we don't want to @@ -137,10 +137,27 @@ def add_file_headers(request, media_type, file_size, upload_name): # separators as defined in RFC2616. SP and HT are handled separately. # see _can_encode_filename_as_token. -_FILENAME_SEPARATOR_CHARS = set(( - "(", ")", "<", ">", "@", ",", ";", ":", "\\", '"', - "/", "[", "]", "?", "=", "{", "}", -)) +_FILENAME_SEPARATOR_CHARS = set( + ( + "(", + ")", + "<", + ">", + "@", + ",", + ";", + ":", + "\\", + '"', + "/", + "[", + "]", + "?", + "=", + "{", + "}", + ) +) def _can_encode_filename_as_token(x): @@ -271,7 +288,7 @@ def get_filename_from_headers(headers): Returns: A Unicode string of the filename, or None. """ - content_disposition = headers.get(b"Content-Disposition", [b'']) + content_disposition = headers.get(b"Content-Disposition", [b""]) # No header, bail out. if not content_disposition[0]: @@ -293,7 +310,7 @@ def get_filename_from_headers(headers): # Once it is decoded, we can then unquote the %-encoded # parts strictly into a unicode string. upload_name = urllib.parse.unquote( - upload_name_utf8.decode('ascii'), errors="strict" + upload_name_utf8.decode("ascii"), errors="strict" ) except UnicodeDecodeError: # Incorrect UTF-8. @@ -302,7 +319,7 @@ def get_filename_from_headers(headers): # On Python 2, we first unquote the %-encoded parts and then # decode it strictly using UTF-8. try: - upload_name = urllib.parse.unquote(upload_name_utf8).decode('utf8') + upload_name = urllib.parse.unquote(upload_name_utf8).decode("utf8") except UnicodeDecodeError: pass @@ -310,7 +327,7 @@ def get_filename_from_headers(headers): if not upload_name: upload_name_ascii = params.get(b"filename", None) if upload_name_ascii and is_ascii(upload_name_ascii): - upload_name = upload_name_ascii.decode('ascii') + upload_name = upload_name_ascii.decode("ascii") # This may be None here, indicating we did not find a matching name. return upload_name @@ -328,19 +345,19 @@ def _parse_header(line): Tuple[bytes, dict[bytes, bytes]]: the main content-type, followed by the parameter dictionary """ - parts = _parseparam(b';' + line) + parts = _parseparam(b";" + line) key = next(parts) pdict = {} for p in parts: - i = p.find(b'=') + i = p.find(b"=") if i >= 0: name = p[:i].strip().lower() - value = p[i + 1:].strip() + value = p[i + 1 :].strip() # strip double-quotes if len(value) >= 2 and value[0:1] == value[-1:] == b'"': value = value[1:-1] - value = value.replace(b'\\\\', b'\\').replace(b'\\"', b'"') + value = value.replace(b"\\\\", b"\\").replace(b'\\"', b'"') pdict[name] = value return key, pdict @@ -357,16 +374,16 @@ def _parseparam(s): Returns: Iterable[bytes]: the split input """ - while s[:1] == b';': + while s[:1] == b";": s = s[1:] # look for the next ; - end = s.find(b';') + end = s.find(b";") # if there is an odd number of " marks between here and the next ;, skip to the # next ; instead while end > 0 and (s.count(b'"', 0, end) - s.count(b'\\"', 0, end)) % 2: - end = s.find(b';', end + 1) + end = s.find(b";", end + 1) if end < 0: end = len(s) |