def return_file(
request,
path: str,
storage_name: Optional[str] = None
) -> Union[HttpResponseNotFound, StreamingHttpResponse, HttpResponse]:
try:
if storage_name:
storage = get_object_or_404(backends.Storage, name=storage_name)
else:
storage = None
data_item = get_object_or_404(coverages.ArrayDataItem,
location=path,
storage=storage)
ranges = request.headers.get("Range", None)
_, ranges = parse_ranges(ranges)
size = verify_file(data_item, ranges)
if request.method == "GET":
response = StreamingHttpResponse(
iter_file(data_item, ranges=ranges))
if not ranges:
response["Content-Type"] = "image/tiff"
elif len(ranges) == 1:
_r = ranges[0]
response["Content-Type"] = "image/tiff"
response["Content-Range"] = f"bytes {_r[0]}-{_r[1]}/{size}"
response.status_code = 206
else:
boundary = generate_boundary()
response.streaming_content = wrap_streaming_content(
response.streaming_content, ranges, boundary, size)
response[
"Content-Type"] = f"multipart/byteranges; boundary={boundary.decode()}"
response.status_code = 206
else:
response = HttpResponse("")
response["Content-Type"] = "image/tiff"
response["Content-Length"] = str(size)
response["Access-Control-Allow-Origin"] = "*"
response["Accept-Ranges"] = "bytes"
response["Access-Control-Allow-Methods"] = "POST, GET, OPTIONS, HEAD"
response[
"Access-Control-Allow-Headers"] = "X-PINGOTHER, Content-Type, Range"
response["Access-Control-Max-Age"] = "86400"
return response
except Http404:
return HttpResponseNotFound("<h1>404 file not found</h1>")
except RangeNotSatisfiable:
response = HttpResponse("<h1>416 requested range not satisfiable<h1>")
response.status_code = 416
return response
def stream_song(request, song_key):
try:
entry = EphemeralEntry.objects.get(key=song_key)
except ObjectDoesNotExist:
raise Http404()
try:
song = entry.song
entry.delete()
range_header = request.META.get('Range')
if not range_header:
response = StreamingHttpResponse(
(line for line in open(song.path, 'rb')))
response['Accept-Ranges'] = 'bytes'
response['Content-Type'] = song.mime_type
response['Content-Length'] = os.path.getsize(song.path)
return response
size = os.path.getsize(song.path)
byte1, byte2 = 0, None
m = re.search('(\d+)-(\d*)', range_header)
g = m.groups()
if g[0]:
byte1 = int(g[0])
if g[1]:
byte2 = int(g[1])
length = size - byte1
if byte2 is not None:
length = byte2 - byte1
with open(song.path, 'rb') as f:
f.seek(byte1)
data = f.read(length)
response = HttpResponse(data,
content_type=mimetypes.guess_type(
song.path)[0])
response['Accept-Ranges'] = 'bytes'
response['Content-Range'] = 'bytes {0}-{1}/{2}'.format(
byte1, byte1 + length - 1, size)
response.status_code(206)
return response
except FileNotFoundError:
raise Http404('file does not exist')
def get_download_response(payload,
content_length,
content_format,
filename,
request=None):
"""
:param payload: File like object.
:param content_length: Size of payload in bytes
:param content_format: ``couchexport.models.Format`` instance
:param filename: Name of the download
:param request: The request. Used to determine if a range response should be given.
:return: HTTP response
"""
ranges = None
if request and "HTTP_RANGE" in request.META:
try:
ranges = parse_range_header(request.META['HTTP_RANGE'],
content_length)
except ValueError:
pass
if ranges and len(ranges.ranges) != 1:
ranges = None
response = StreamingHttpResponse(content_type=content_format.mimetype)
if content_format.download:
response['Content-Disposition'] = safe_filename_header(filename)
response["Content-Length"] = content_length
response["Accept-Ranges"] = "bytes"
if ranges:
start, stop = ranges.ranges[0]
if stop is not None and stop > content_length:
# requested range not satisfiable
return HttpResponse(status=416)
response.streaming_content = RangedFileWrapper(payload,
start=start,
stop=stop
or float("inf"))
end = stop or content_length
response["Content-Range"] = "bytes %d-%d/%d" % (start, end - 1,
content_length)
response["Content-Length"] = end - start
response.status_code = 206
else:
response.streaming_content = FileWrapper(payload)
return response
def post(self, request, *args, **kwargs):
"""
The user uploads a csv file of document ids, the server returns a zip file
containing all those documents' pdfs.
"""
formset = DocBulkFormSet(request.POST, request.FILES)
formset.is_valid()
valid_docs = lambda: (
f.cleaned_data["id"] for f in formset.forms if f.cleaned_data
)
errors = tuple(gather_errors(formset, values=True))
if any(valid_docs()):
# This will fail with a 500 if the file doesn't exist. We're not catching
# that because if we got this far, we know the file SHOULD exist: we are
# only working with Documents that have match=True. If this fails, we
# have some kind of data integrity issue (or you're a dev without the files)
def zip_gen():
z = zipstream.ZipFile(mode="w")
for doc in valid_docs():
z.write(doc.pdf_url())
if errors:
z.writestr("errors.txt", str.encode("\n".join(errors)))
for chunk in z:
yield chunk
response = StreamingHttpResponse(zip_gen(), content_type="application/zip")
response["Content-Disposition"] = 'attachment; filename="datadocuments.zip"'
if errors:
response.status_code = 206
else:
response.status_code = 200
return response
else:
for e in errors:
messages.error(request, e)
return HttpResponseRedirect(reverse("bulk_documents"))
def get(self, request, format=None):
""" Returns a list of API features """
response = StreamingHttpResponse(content_type='text/csv')
response[
'Content-Disposition'] = 'attachment; filename="numbers-formatted.csv"'
response.status_code = status.HTTP_200_OK
phone = request.GET.get('number')
list_of_files = glob.glob('./*.csv')
latest_file = max(list_of_files, key=os.path.getctime)
result = services.locate_nearest_numbers('+' + phone, latest_file)
processes = result[1]
queue = result[0]
response.streaming_content = chain(
header_1(), response_iterator_1(processes, queue, chunk_size=100))
return response
def get_download_response(payload, content_length, content_format, filename, request=None):
"""
:param payload: File like object.
:param content_length: Size of payload in bytes
:param content_format: ``couchexport.models.Format`` instance
:param filename: Name of the download
:param request: The request. Used to determine if a range response should be given.
:return: HTTP response
"""
ranges = None
if request and "HTTP_RANGE" in request.META:
try:
ranges = parse_range_header(request.META['HTTP_RANGE'], content_length)
except ValueError:
pass
if ranges and len(ranges.ranges) != 1:
ranges = None
response = StreamingHttpResponse(content_type=content_format.mimetype)
if content_format.download:
response['Content-Disposition'] = safe_filename_header(filename)
response["Content-Length"] = content_length
response["Accept-Ranges"] = "bytes"
if ranges:
start, stop = ranges.ranges[0]
if stop is not None and stop > content_length:
# requested range not satisfiable
return HttpResponse(status=416)
response.streaming_content = RangedFileWrapper(payload, start=start, stop=stop or float("inf"))
end = stop or content_length
response["Content-Range"] = "bytes %d-%d/%d" % (start, end - 1, content_length)
response["Content-Length"] = end - start
response.status_code = 206
else:
response.streaming_content = FileWrapper(payload)
return response
def post(self, request):
file_serializer = FileSerializer(data=request.data)
if file_serializer.is_valid():
file_serializer.save()
response = StreamingHttpResponse(content_type='text/csv')
response[
'Content-Disposition'] = 'attachment; filename="numbers-formatted.csv"'
response.status_code = status.HTTP_200_OK
result = services.reformat_numbers(file_serializer.data['numbers'])
processes = result[1]
queue = result[0]
response.streaming_content = chain(
header_2(),
response_iterator_2(processes, queue, chunk_size=1000))
return response
else:
return Response(file_serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def post(self, request, *args, **kwargs):
vol = self.object = self.get_object()
# don't do anything if user is not logged in
if self.request.user.is_anonymous():
response = render(request, self.template_name, self.get_context_data())
response.status_code = 400 # bad request
return response
# get posted form data and use that to generate the export
export_form = self.get_form()
if export_form.is_valid():
cleaned_data = export_form.cleaned_data
# if github export is requested, make sure user has a
# github account available to use for access
if cleaned_data['github']:
try:
github.GithubApi.github_account(self.request.user)
except github.GithubAccountNotFound:
return self.render(request, error=self.github_account_msg)
# check that oauth token has sufficient permission
# to do needed export steps
gh = github.GithubApi.connect_as_user(self.request.user)
# note: repo would also work here, but currently asking for public_repo
if 'public_repo' not in gh.oauth_scopes():
return self.render(request, error=self.github_scope_msg)
else:
return self.render(request)
# determine which annotations should be loaded
if cleaned_data['annotations'] == 'user':
# annotations *by* this user
# (NOT all annotations the user can view)
annotations = vol.annotations().filter(user=request.user)
elif cleaned_data['annotations'].startswith('group:'):
# all annotations visible to a group this user belongs to
group_id = cleaned_data['annotations'][len('group:'):]
# NOTE: object not found error should not occur here,
# because only valid group ids should be valid choices
group = AnnotationGroup.objects.get(pk=group_id)
annotations = vol.annotations().visible_to_group(group)
# generate annotated tei
tei = annotate.annotated_tei(vol.generate_volume_tei(),
annotations)
# check form data to see if github repo is requested
if cleaned_data['github']:
try:
repo_url, ghpages_url = export.website_gitrepo(request.user,
cleaned_data['github_repo'], vol, tei,
page_one=cleaned_data['page_one'])
logger.info('Exported %s to GitHub repo %s for user %s',
vol.pid, repo_url, request.user.username)
# NOTE: maybe use a separate template here?
return self.render(request, repo_url=repo_url,
ghpages_url=ghpages_url, github_export=True)
except export.GithubExportException as err:
response = self.render(request, error='Export failed: %s' % err)
response.status_code = 400 # maybe?
return response
else:
# non github export: download zipfile
try:
webzipfile = export.website_zip(vol, tei,
page_one=cleaned_data['page_one'])
logger.info('Exported %s as jekyll zipfile for user %s',
vol.pid, request.user.username)
response = StreamingHttpResponse(FileWrapper(webzipfile, 8192),
content_type='application/zip')
response['Content-Disposition'] = 'attachment; filename="%s_annotated_jeyll_site.zip"' % \
(vol.noid)
response['Content-Length'] = os.path.getsize(webzipfile.name)
except export.ExportException as err:
# display error to user and redisplay the form
response = self.render(request, error='Export failed. %s' % err)
response.status_code = 500
# set a cookie to indicate download is complete, that can be
# used by javascript to hide a 'generating' indicator
completion_cookie_name = request.POST.get('completion-cookie',
'%s-web-export' % vol.noid)
response.set_cookie(completion_cookie_name, 'complete', max_age=10)
return response
def search(request):
def genrgb(str, malformed):
intcol = binascii.crc32(str.strip())
if not malformed:
r = "%s" % colors[intcol % len(colors)]
else:
r = "%s" % colors_red[intcol % len(colors_red)]
return r
ret = {}
ret["result"] = "unknown"
ret["msg"] = "unknown msg"
ret["rows"] = []
response = StreamingHttpResponse(content_type='application/json')
try:
where = []
QueryDict = request.GET
limit = QueryDict.get('rows')
if limit is None or limit == "":
limit = 10
colors = list(
Color("LightGreen").range_to(
Color("MediumAquaMarine", luminance=0.9), 1000))
colors_red = list(
Color("Salmon",
luminance=0.5).range_to(Color("Tomato", luminance=0.9),
1000))
page = QueryDict.get('page')
if page is None or page == "":
page = 1
offset = int(max(int(page) - 1, 0)) * int(limit)
grouping = QueryDict.get('grouping')
if grouping is None:
grouping = "1"
malformed = QueryDict.get('malformed')
if malformed == "1":
where.append("malformed = 1")
src_ip = QueryDict.get('src_ip')
if src_ip is not None and src_ip != "":
where.append("source_ip = INET_ATON('%s') " %
MySQLdb.escape_string(src_ip))
dst_ip = QueryDict.get('dst_ip')
if dst_ip is not None and dst_ip != "":
where.append("destination_ip = INET_ATON('%s') " %
MySQLdb.escape_string(dst_ip))
sip_callid = QueryDict.get('sip_callid')
if sip_callid is not None and sip_callid != "":
where.append(
"(callid = '%(callid)s' OR callid_rc = '%(callid)s') " %
{"callid": MySQLdb.escape_string(sip_callid)})
sip_method = QueryDict.get('sip_method')
if sip_method is not None and sip_method != "":
where.append("request_method = '%s' " %
MySQLdb.escape_string(sip_method))
from_user = QueryDict.get('from_user')
if from_user is not None and from_user != "":
where.append("("
"`from` = '%(from)s' "
"OR `from` = '+%(from)s' "
"OR `from` = '+1%(from)s' "
"OR `from` = '1%(from)s'"
"OR `from` like '%(from)s'"
"OR `from` like '+%(from)s'"
"OR `from` like '+1%(from)s'"
"OR `from` like '1%(from)s'"
")" % {"from": MySQLdb.escape_string(from_user)})
to_user = QueryDict.get('to_user')
if to_user is not None and to_user != "":
where.append("("
"`to` = '%(to)s' "
"OR `to` = '+1%(to)s' "
"OR `to` = '+%(to)s' "
"OR `to` = '1%(to)s'"
"OR `to` like '%(to)s'"
"OR `to` like '+%(to)s'"
"OR `to` like '+1%(to)s'"
"OR `to` like '1%(to)s'"
")" % {"to": MySQLdb.escape_string(to_user)})
date_start = QueryDict.get('date_start')
if date_start is not None and date_start != "":
where.append("sc.datetime >= '%s' " %
MySQLdb.escape_string(date_start))
date_end = QueryDict.get('date_end')
if date_end is not None and date_end != "":
where.append("sc.datetime <= '%s' " %
MySQLdb.escape_string(date_end))
if not where:
where.append("1=1")
sql = """
SELECT SQL_CALC_FOUND_ROWS
sc.id,
CAST(UNIX_TIMESTAMP(sc.datetime) AS SIGNED) as datetime,
CONCAT(INET_NTOA(sc.source_ip), ':', IFNULL(sc.source_port, '0')) as source_ip,
CONCAT(INET_NTOA(sc.destination_ip), ':', IFNULL(sc.destination_port, '0') ) as destination_ip,
sc.callid,
CONCAT(COALESCE(sc.request_method, ''), COALESCE(sc.response_code, '')) as method,
sc.from,
sc.to,
sc.malformed
FROM
sip_capture sc
WHERE
%s
%s
ORDER BY sc.datetime ASC, sc.id ASC LIMIT %u OFFSET %u
""" % (" \n AND ".join(where), "" if grouping == "0" else
"GROUP BY sc.callid", int(limit), int(offset))
db = dbConn()
cursor = db.cursor()
try:
cache_key = sha1(sql).hexdigest()
#cache.delete(cache_key)
c = cache.get(cache_key)
if c is None:
cursor.execute(sql)
print(cursor._last_executed)
if cursor.rowcount == 0:
raise ObjectDoesNotExist("Records not found")
res = {}
results = cursor.fetchall()
res['results'] = results
cursor.execute("SELECT FOUND_ROWS()")
found_rows = cursor.fetchone()
res['found_rows'] = found_rows
cache.add(cache_key, res, 30)
else:
found_rows = c['found_rows']
results = c['results']
#print sql
#cursor.execute(sql)
#print cursor._last_executed
for row in results:
ret["rows"].append({
'id':
row[0],
'date':
row[1],
'source_ip':
row[2],
'destination_ip':
row[3],
'callid':
row[4],
'method':
row[5],
'from_user':
row[6],
'to_user':
row[7],
'color':
genrgb("%s %s" % (row[2], row[3]), row[8])
})
ret["result"] = "success"
ret["msg"] = "success msg"
ret["total"] = found_rows[0]
except ObjectDoesNotExist as e:
ret["result"] = "warning"
ret["msg"] = str(e)
response.status_code = 404
pass
except Exception as e:
ret["result"] = "error"
ret["msg"] = repr(e)
ret['traceback'] = traceback.format_exc()
response.status_code = 500
pass
finally:
cursor.close()
except Exception as e:
ret["result"] = "error"
ret['traceback'] = traceback.format_exc()
ret["msg"] = repr(e)
response.status_code = 500
json_data = json.dumps(ret)
response.streaming_content = json_data
return response
def serve(request, path, document_root=None, show_indexes=False):
"""
Serve static files below a given point in the directory structure.
To use, put a URL pattern such as::
(r'^(?P<path>.*)$', 'django.views.static.serve', {'document_root': '/path/to/my/files/'})
in your URLconf. You must provide the ``document_root`` param. You may
also set ``show_indexes`` to ``True`` if you'd like to serve a basic index
of the directory. This index view will use the template hardcoded below,
but if you'd like to override it, you can create a template called
``static/directory_index.html``.
"""
path = posixpath.normpath(unquote(path))
path = path.lstrip('/')
newpath = ''
for part in path.split('/'):
if not part:
# Strip empty path components.
continue
drive, part = os.path.splitdrive(part)
head, part = os.path.split(part)
if part in (os.curdir, os.pardir):
# Strip '.' and '..' in path.
continue
newpath = os.path.join(newpath, part).replace('\\', '/')
if newpath and path != newpath:
return HttpResponseRedirect(newpath)
fullpath = os.path.join(document_root, newpath)
if os.path.isdir(fullpath):
if show_indexes:
return directory_index(newpath, fullpath)
raise Http404(_("Directory indexes are not allowed here."))
if not os.path.exists(fullpath):
raise Http404(_('"%(path)s" does not exist') % {'path': fullpath})
# Respect the If-Modified-Since header.
statobj = os.stat(fullpath)
if not was_modified_since(request.META.get('HTTP_IF_MODIFIED_SINCE'),
statobj.st_mtime, statobj.st_size):
return HttpResponseNotModified()
content_type, encoding = mimetypes.guess_type(fullpath)
content_type = content_type or 'application/octet-stream'
ranged_file = RangedFileReader(open(fullpath, 'rb'))
response = StreamingHttpResponse(ranged_file,
content_type=content_type)
response["Last-Modified"] = http_date(statobj.st_mtime)
if stat.S_ISREG(statobj.st_mode):
size = statobj.st_size
response["Content-Length"] = size
response["Accept-Ranges"] = "bytes"
# Respect the Range header.
if "HTTP_RANGE" in request.META:
try:
ranges = parse_range_header(request.META['HTTP_RANGE'], size)
except ValueError:
ranges = None
# only handle syntactically valid headers, that are simple (no
# multipart byteranges)
if ranges is not None and len(ranges) == 1:
start, stop = ranges[0]
if stop > size:
# requested range not satisfiable
return HttpResponse(status=416)
ranged_file.start = start
ranged_file.stop = stop
response["Content-Range"] = "bytes %d-%d/%d" % (start, stop - 1, size)
response["Content-Length"] = stop - start
response.status_code = 206
if encoding:
response["Content-Encoding"] = encoding
return response
def do_request(self, request, url, method):
url = iri_to_uri(url)
request_data = {
"method": method,
"url": url,
"data": None,
"headers": {},
"cookies": Cookie.SimpleCookie(),
"user": request.user,
"original-request": request,
}
# Request creation
proto, host, cgi, param, query = urlparse.urlparse(url)[:5]
# Extract headers from META
if 'HTTP_TRANSFER_ENCODING' in request.META:
return build_error_response(request, 500, "Wirecloud doesn't support requests using Transfer-Encodings")
for header in request.META.items():
header_name = header[0].lower()
if header_name == 'content_type' and header[1]:
request_data['headers']["content-type"] = header[1]
elif header_name == 'content_length' and header[1]:
# Only take into account request body if the request has a
# Content-Length header (we don't support chunked requests)
request_data['data'] = request
# It's better not propagate the Content-Length header as
# request processors may change final data length. In addition
# to this, the requests modules ignores the Content-Length
# header and tries to obtain data length directly from the
# data parameter. Therefore, providing this value in the len
# attribute seems to be the best option
request_data['data'].len = int(header[1])
elif header_name == 'cookie' or header_name == 'http_cookie':
cookie_parser = Cookie.SimpleCookie(str(header[1]))
del cookie_parser[settings.SESSION_COOKIE_NAME]
if settings.CSRF_COOKIE_NAME in cookie_parser:
del cookie_parser[settings.CSRF_COOKIE_NAME]
request_data['cookies'].update(cookie_parser)
elif self.http_headerRE.match(header_name) and not header_name in self.blacklisted_http_headers:
fixed_name = header_name.replace("http_", "", 1).replace('_', '-')
request_data['headers'][fixed_name] = header[1]
# Build the Via header
protocolVersion = self.protocolRE.match(request.META['SERVER_PROTOCOL'])
if protocolVersion is not None:
protocolVersion = protocolVersion.group(1)
else:
protocolVersion = '1.1'
via_header = "%s %s (Wirecloud-python-Proxy/1.1)" % (protocolVersion, get_current_domain(request))
if 'via' in request_data['headers']:
request_data['headers']['via'] += ', ' + via_header
else:
request_data['headers']['via'] = via_header
# XFF headers
if 'x-forwarded-for' in request_data['headers']:
request_data['headers']['x-forwarded-for'] += ', ' + request.META['REMOTE_ADDR']
else:
request_data['headers']['x-forwarded-for'] = request.META['REMOTE_ADDR']
request_data['headers']['x-forwarded-host'] = host
if 'x-forwarded-server' in request_data['headers']:
del request_data['headers']['x-forwarded-server']
# Pass proxy processors to the new request
try:
for processor in get_request_proxy_processors():
processor.process_request(request_data)
except ValidationError as e:
return e.get_response()
# Cookies
cookie_header_content = ', '.join([cookie_parser[key].OutputString() for key in request_data['cookies']])
if cookie_header_content != '':
request_data['headers']['Cookie'] = cookie_header_content
# Open the request
try:
res = requests.request(request_data['method'], request_data['url'], headers=request_data['headers'], data=request_data['data'], stream=True)
except requests.exceptions.HTTPError:
return HttpResponse(status=504)
except requests.exceptions.ConnectionError:
return HttpResponse(status=502)
# Build a Django response
response = StreamingHttpResponse(res.raw.stream(4096, decode_content=False))
# Set status code to the response
response.status_code = res.status_code
# Add all the headers received from the response
for header in res.headers:
header_lower = header.lower()
if header_lower == 'set-cookie':
for cookie in res.cookies:
response.set_cookie(cookie.name, value=cookie.value, expires=cookie.expires, path=cookie.path)
elif header_lower == 'via':
via_header = via_header + ', ' + res.headers[header]
elif is_valid_response_header(header_lower):
response[header] = res.headers[header]
# Pass proxy processors to the response
for processor in get_response_proxy_processors():
response = processor.process_response(request_data, response)
response['Via'] = via_header
return response