async def _handler(request, file_uri=None):
# Using this to determine if the URL is trying to break out of the path
# served. os.path.realpath seems to be very slow
if file_uri and '../' in file_uri:
raise InvalidUsage("Invalid URL")
# Merge served directory and requested file if provided
# Strip all / that in the beginning of the URL to help prevent python
# from herping a derp and treating the uri as an absolute path
root_path = file_path = file_or_directory
if file_uri:
file_path = path.join(file_or_directory,
sub('^[/]*', '', file_uri))
# URL decode the path sent by the browser otherwise we won't be able to
# match filenames which got encoded (filenames with spaces etc)
file_path = path.abspath(unquote(file_path))
if not file_path.startswith(root_path):
raise FileNotFound('File not found',
path=file_or_directory,
relative_url=file_uri)
try:
headers = {}
# Check if the client has been sent this file before
# and it has not been modified since
stats = None
if use_modified_since:
stats = await stat(file_path)
modified_since = strftime('%a, %d %b %Y %H:%M:%S GMT',
gmtime(stats.st_mtime))
if request.headers.get('If-Modified-Since') == modified_since:
return HTTPResponse(status=304)
headers['Last-Modified'] = modified_since
_range = None
if use_content_range:
_range = None
if not stats:
stats = await stat(file_path)
headers['Accept-Ranges'] = 'bytes'
headers['Content-Length'] = str(stats.st_size)
if request.method != 'HEAD':
try:
_range = ContentRangeHandler(request, stats)
except HeaderNotFound:
pass
else:
del headers['Content-Length']
for key, value in _range.headers.items():
headers[key] = value
if request.method == 'HEAD':
return HTTPResponse(headers=headers,
content_type=guess_type(file_path)[0]
or 'text/plain')
else:
return await file(file_path, headers=headers, _range=_range)
except ContentRangeError:
raise
except Exception:
raise FileNotFound('File not found',
path=file_or_directory,
relative_url=file_uri)
async def audio(request, audio_id):
global conversion_list
global AUDIO_DIRECTORY
log.info(f'Audio GET request {audio_id}')
mp3_file = os.path.join(AUDIO_DIRECTORY, f'{audio_id}.mp3')
headers = {
'Content-Type': 'audio/mpeg',
'Content-Disposition': f'attachment; filename="{audio_id}.mp3"'
}
if not os.path.exists(mp3_file):
conversion_list.put_nowait(audio_id)
while not os.path.exists(mp3_file):
await sleep(1)
request_range = None
with suppress(InvalidRangeType, HeaderNotFound):
request_range = ContentRangeHandler(request, os.stat(mp3_file))
return await file(mp3_file, _range=request_range, headers=headers)
async def static(request, filename):
stats = await stat(filename)
_range = None
headers = {}
headers['Accept-Ranges'] = 'bytes'
headers['Content-Length'] = str(stats.st_size)
try:
_range = ContentRangeHandler(request, stats)
except HeaderNotFound:
headers['Content-Disposition'] = 'inline; filename=%s' % (
filename.rsplit(os.path.sep, 1).pop(-1))
else:
del headers['Content-Length']
for key, value in _range.headers.items():
headers[key] = value
resp = await response.file_stream(filename, headers=headers, _range=_range)
if _range:
resp.status = 206
return resp
async def _static_request_handler(
self,
file_or_directory,
use_modified_since,
use_content_range,
stream_large_files,
request,
content_type=None,
__file_uri__=None,
):
# Using this to determine if the URL is trying to break out of the path
# served. os.path.realpath seems to be very slow
if __file_uri__ and "../" in __file_uri__:
raise InvalidUsage("Invalid URL")
# Merge served directory and requested file if provided
# Strip all / that in the beginning of the URL to help prevent python
# from herping a derp and treating the uri as an absolute path
root_path = file_path = file_or_directory
if __file_uri__:
file_path = path.join(file_or_directory,
sub("^[/]*", "", __file_uri__))
# URL decode the path sent by the browser otherwise we won't be able to
# match filenames which got encoded (filenames with spaces etc)
file_path = path.abspath(unquote(file_path))
if not file_path.startswith(path.abspath(unquote(root_path))):
error_logger.exception(
f"File not found: path={file_or_directory}, "
f"relative_url={__file_uri__}")
raise FileNotFound(
"File not found",
path=file_or_directory,
relative_url=__file_uri__,
)
try:
headers = {}
# Check if the client has been sent this file before
# and it has not been modified since
stats = None
if use_modified_since:
stats = await stat_async(file_path)
modified_since = strftime("%a, %d %b %Y %H:%M:%S GMT",
gmtime(stats.st_mtime))
if (request.headers.getone("if-modified-since",
None) == modified_since):
return HTTPResponse(status=304)
headers["Last-Modified"] = modified_since
_range = None
if use_content_range:
_range = None
if not stats:
stats = await stat_async(file_path)
headers["Accept-Ranges"] = "bytes"
headers["Content-Length"] = str(stats.st_size)
if request.method != "HEAD":
try:
_range = ContentRangeHandler(request, stats)
except HeaderNotFound:
pass
else:
del headers["Content-Length"]
for key, value in _range.headers.items():
headers[key] = value
if "content-type" not in headers:
content_type = (content_type or guess_type(file_path)[0]
or DEFAULT_HTTP_CONTENT_TYPE)
if "charset=" not in content_type and (
content_type.startswith("text/")
or content_type == "application/javascript"):
content_type += "; charset=utf-8"
headers["Content-Type"] = content_type
if request.method == "HEAD":
return HTTPResponse(headers=headers)
else:
if stream_large_files:
if type(stream_large_files) == int:
threshold = stream_large_files
else:
threshold = 1024 * 1024
if not stats:
stats = await stat_async(file_path)
if stats.st_size >= threshold:
return await file_stream(file_path,
headers=headers,
_range=_range)
return await file(file_path, headers=headers, _range=_range)
except ContentRangeError:
raise
except FileNotFoundError:
raise FileNotFound(
"File not found",
path=file_or_directory,
relative_url=__file_uri__,
)
except Exception:
error_logger.exception(f"Exception in static request handler:\
path={file_or_directory}, "
f"relative_url={__file_uri__}")
async def _handler(request, file_uri=None):
# Using this to determine if the URL is trying to break out of the path
# served. os.path.realpath seems to be very slow
if file_uri and "../" in file_uri:
raise InvalidUsage("Invalid URL")
# Merge served directory and requested file if provided
# Strip all / that in the beginning of the URL to help prevent python
# from herping a derp and treating the uri as an absolute path
root_path = file_path = file_or_directory
if file_uri:
file_path = path.join(file_or_directory,
sub("^[/]*", "", file_uri))
# URL decode the path sent by the browser otherwise we won't be able to
# match filenames which got encoded (filenames with spaces etc)
file_path = path.abspath(unquote(file_path))
if not file_path.startswith(path.abspath(unquote(root_path))):
raise FileNotFound("File not found",
path=file_or_directory,
relative_url=file_uri)
try:
headers = {}
# Check if the client has been sent this file before
# and it has not been modified since
stats = None
if use_modified_since:
stats = await stat_async(file_path)
modified_since = strftime("%a, %d %b %Y %H:%M:%S GMT",
gmtime(stats.st_mtime))
if request.headers.get("If-Modified-Since") == modified_since:
return HTTPResponse(status=304)
headers["Last-Modified"] = modified_since
_range = None
if use_content_range:
_range = None
if not stats:
stats = await stat_async(file_path)
headers["Accept-Ranges"] = "bytes"
headers["Content-Length"] = str(stats.st_size)
if request.method != "HEAD":
try:
_range = ContentRangeHandler(request, stats)
except HeaderNotFound:
pass
else:
del headers["Content-Length"]
for key, value in _range.headers.items():
headers[key] = value
headers["Content-Type"] = (content_type or guess_type(file_path)[0]
or "text/plain")
if request.method == "HEAD":
return HTTPResponse(headers=headers)
else:
if stream_large_files:
if type(stream_large_files) == int:
threshold = stream_large_files
else:
threshold = 1024 * 1024
if not stats:
stats = await stat_async(file_path)
if stats.st_size >= threshold:
return await file_stream(file_path,
headers=headers,
_range=_range)
return await file(file_path, headers=headers, _range=_range)
except ContentRangeError:
raise
except Exception:
raise FileNotFound("File not found",
path=file_or_directory,
relative_url=file_uri)