diff options
| -rw-r--r-- | synapse/http/server.py | 15 | ||||
| -rw-r--r-- | synapse/http/servlet.py | 110 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/sync.py | 20 | ||||
| -rw-r--r-- | synapse/rest/media/v1/base_resource.py | 80 | ||||
| -rw-r--r-- | synapse/rest/media/v1/download_resource.py | 12 | ||||
| -rw-r--r-- | synapse/rest/media/v1/thumbnail_resource.py | 16 | ||||
| -rw-r--r-- | synapse/rest/media/v1/upload_resource.py | 85 |
7 files changed, 140 insertions, 198 deletions
diff --git a/synapse/http/server.py b/synapse/http/server.py index f1193f309d..b3706889ab 100644 --- a/synapse/http/server.py +++ b/synapse/http/server.py @@ -57,9 +57,18 @@ _next_request_id = 0 def request_handler(request_handler): """Wraps a method that acts as a request handler with the necessary logging and exception handling. - The method must have a signature of "handle_foo(self, request)". - The argument "self" must have "version_string" and "clock" attributes. - The argument "request" must be a twisted HTTP request. + + The method must have a signature of "handle_foo(self, request)". The + argument "self" must have "version_string" and "clock" attributes. The + argument "request" must be a twisted HTTP request. + + The method must return a deferred. If the deferred succeeds we assume that + a response has been sent. If the deferred fails with a SynapseError we use + it to send a JSON response with the appropriate HTTP reponse code. If the + deferred fails with any other type of error we send a 500 reponse. + + We insert a unique request-id into the logging context for this request and + log the response and duration for this request. """ @defer.inlineCallbacks diff --git a/synapse/http/servlet.py b/synapse/http/servlet.py index 265559a3ea..9cda17fcf8 100644 --- a/synapse/http/servlet.py +++ b/synapse/http/servlet.py @@ -23,6 +23,61 @@ import logging logger = logging.getLogger(__name__) +def parse_integer(request, name, default=None, required=False): + if name in request.args: + try: + return int(request.args[name][0]) + except: + message = "Query parameter %r must be an integer" % (name,) + raise SynapseError(400, message) + else: + if required: + message = "Missing integer query parameter %r" % (name,) + raise SynapseError(400, message) + else: + return default + + +def parse_boolean(request, name, default=None, required=False): + if name in request.args: + try: + return { + "true": True, + "false": False, + }[request.args[name][0]] + except: + message = ( + "Boolean query parameter %r must be one of" + " ['true', 'false']" + ) % (name,) + raise SynapseError(400, message) + else: + if required: + message = "Missing boolean query parameter %r" % (name,) + raise SynapseError(400, message) + else: + return default + + +def parse_string(request, name, default=None, required=False, + allowed_values=None, param_type="string"): + if name in request.args: + value = request.args[name][0] + if allowed_values is not None and value not in allowed_values: + message = "Query parameter %r must be one of [%s]" % ( + name, ", ".join(repr(v) for v in allowed_values) + ) + raise SynapseError(message) + else: + return value + else: + if required: + message = "Missing %s query parameter %r" % (param_type, name) + raise SynapseError(400, message) + else: + return default + + class RestServlet(object): """ A Synapse REST Servlet. @@ -56,58 +111,3 @@ class RestServlet(object): http_server.register_path(method, pattern, method_handler) else: raise NotImplementedError("RestServlet must register something.") - - @staticmethod - def parse_integer(request, name, default=None, required=False): - if name in request.args: - try: - return int(request.args[name][0]) - except: - message = "Query parameter %r must be an integer" % (name,) - raise SynapseError(400, message) - else: - if required: - message = "Missing integer query parameter %r" % (name,) - raise SynapseError(400, message) - else: - return default - - @staticmethod - def parse_boolean(request, name, default=None, required=False): - if name in request.args: - try: - return { - "true": True, - "false": False, - }[request.args[name][0]] - except: - message = ( - "Boolean query parameter %r must be one of" - " ['true', 'false']" - ) % (name,) - raise SynapseError(400, message) - else: - if required: - message = "Missing boolean query parameter %r" % (name,) - raise SynapseError(400, message) - else: - return default - - @staticmethod - def parse_string(request, name, default=None, required=False, - allowed_values=None, param_type="string"): - if name in request.args: - value = request.args[name][0] - if allowed_values is not None and value not in allowed_values: - message = "Query parameter %r must be one of [%s]" % ( - name, ", ".join(repr(v) for v in allowed_values) - ) - raise SynapseError(message) - else: - return value - else: - if required: - message = "Missing %s query parameter %r" % (param_type, name) - raise SynapseError(400, message) - else: - return default diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py index 3056ec45cf..f2fd0b9f32 100644 --- a/synapse/rest/client/v2_alpha/sync.py +++ b/synapse/rest/client/v2_alpha/sync.py @@ -15,7 +15,9 @@ from twisted.internet import defer -from synapse.http.servlet import RestServlet +from synapse.http.servlet import ( + RestServlet, parse_string, parse_integer, parse_boolean +) from synapse.handlers.sync import SyncConfig from synapse.types import StreamToken from synapse.events.utils import ( @@ -87,20 +89,20 @@ class SyncRestServlet(RestServlet): def on_GET(self, request): user, client = yield self.auth.get_user_by_req(request) - timeout = self.parse_integer(request, "timeout", default=0) - limit = self.parse_integer(request, "limit", required=True) - gap = self.parse_boolean(request, "gap", default=True) - sort = self.parse_string( + timeout = parse_integer(request, "timeout", default=0) + limit = parse_integer(request, "limit", required=True) + gap = parse_boolean(request, "gap", default=True) + sort = parse_string( request, "sort", default="timeline,asc", allowed_values=self.ALLOWED_SORT ) - since = self.parse_string(request, "since") - set_presence = self.parse_string( + since = parse_string(request, "since") + set_presence = parse_string( request, "set_presence", default="online", allowed_values=self.ALLOWED_PRESENCE ) - backfill = self.parse_boolean(request, "backfill", default=False) - filter_id = self.parse_string(request, "filter", default=None) + backfill = parse_boolean(request, "backfill", default=False) + filter_id = parse_string(request, "filter", default=None) logger.info( "/sync: user=%r, timeout=%r, limit=%r, gap=%r, sort=%r, since=%r," diff --git a/synapse/rest/media/v1/base_resource.py b/synapse/rest/media/v1/base_resource.py index b10cbddb81..fc078fca82 100644 --- a/synapse/rest/media/v1/base_resource.py +++ b/synapse/rest/media/v1/base_resource.py @@ -18,7 +18,7 @@ from .thumbnailer import Thumbnailer from synapse.http.server import respond_with_json from synapse.util.stringutils import random_string from synapse.api.errors import ( - cs_exception, CodeMessageException, cs_error, Codes, SynapseError + cs_error, Codes, SynapseError ) from twisted.internet import defer @@ -32,6 +32,18 @@ import logging logger = logging.getLogger(__name__) +def parse_media_id(request): + try: + server_name, media_id = request.postpath + return (server_name, media_id) + except: + raise SynapseError( + 404, + "Invalid media id token %r" % (request.postpath,), + Codes.UNKNOWN, + ) + + class BaseMediaResource(Resource): isLeaf = True @@ -47,72 +59,6 @@ class BaseMediaResource(Resource): self.filepaths = filepaths self.downloads = {} - @staticmethod - def catch_errors(request_handler): - @defer.inlineCallbacks - def wrapped_request_handler(self, request): - try: - yield request_handler(self, request) - except CodeMessageException as e: - logger.info("Responding with error: %r", e) - respond_with_json( - request, e.code, cs_exception(e), send_cors=True - ) - except: - logger.exception( - "Failed handle request %s.%s on %r", - request_handler.__module__, - request_handler.__name__, - self, - ) - respond_with_json( - request, - 500, - {"error": "Internal server error"}, - send_cors=True - ) - return wrapped_request_handler - - @staticmethod - def _parse_media_id(request): - try: - server_name, media_id = request.postpath - return (server_name, media_id) - except: - raise SynapseError( - 404, - "Invalid media id token %r" % (request.postpath,), - Codes.UNKNOWN, - ) - - @staticmethod - def _parse_integer(request, arg_name, default=None): - try: - if default is None: - return int(request.args[arg_name][0]) - else: - return int(request.args.get(arg_name, [default])[0]) - except: - raise SynapseError( - 400, - "Missing integer argument %r" % (arg_name,), - Codes.UNKNOWN, - ) - - @staticmethod - def _parse_string(request, arg_name, default=None): - try: - if default is None: - return request.args[arg_name][0] - else: - return request.args.get(arg_name, [default])[0] - except: - raise SynapseError( - 400, - "Missing string argument %r" % (arg_name,), - Codes.UNKNOWN, - ) - def _respond_404(self, request): respond_with_json( request, 404, diff --git a/synapse/rest/media/v1/download_resource.py b/synapse/rest/media/v1/download_resource.py index c585bb11f7..0fe6abf647 100644 --- a/synapse/rest/media/v1/download_resource.py +++ b/synapse/rest/media/v1/download_resource.py @@ -13,7 +13,8 @@ # See the License for the specific language governing permissions and # limitations under the License. -from .base_resource import BaseMediaResource +from .base_resource import BaseMediaResource, parse_media_id +from synapse.http.server import request_handler from twisted.web.server import NOT_DONE_YET from twisted.internet import defer @@ -28,15 +29,10 @@ class DownloadResource(BaseMediaResource): self._async_render_GET(request) return NOT_DONE_YET - @BaseMediaResource.catch_errors + @request_handler @defer.inlineCallbacks def _async_render_GET(self, request): - try: - server_name, media_id = request.postpath - except: - self._respond_404(request) - return - + server_name, media_id = parse_media_id(request) if server_name == self.server_name: yield self._respond_local_file(request, media_id) else: diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py index 84f5e3463c..1dadd880b2 100644 --- a/synapse/rest/media/v1/thumbnail_resource.py +++ b/synapse/rest/media/v1/thumbnail_resource.py @@ -14,7 +14,9 @@ # limitations under the License. -from .base_resource import BaseMediaResource +from .base_resource import BaseMediaResource, parse_media_id +from synapse.http.servlet import parse_string, parse_integer +from synapse.http.server import request_handler from twisted.web.server import NOT_DONE_YET from twisted.internet import defer @@ -31,14 +33,14 @@ class ThumbnailResource(BaseMediaResource): self._async_render_GET(request) return NOT_DONE_YET - @BaseMediaResource.catch_errors + @request_handler @defer.inlineCallbacks def _async_render_GET(self, request): - server_name, media_id = self._parse_media_id(request) - width = self._parse_integer(request, "width") - height = self._parse_integer(request, "height") - method = self._parse_string(request, "method", "scale") - m_type = self._parse_string(request, "type", "image/png") + server_name, media_id = parse_media_id(request) + width = parse_integer(request, "width") + height = parse_integer(request, "height") + method = parse_string(request, "method", "scale") + m_type = parse_string(request, "type", "image/png") if server_name == self.server_name: yield self._respond_local_thumbnail( diff --git a/synapse/rest/media/v1/upload_resource.py b/synapse/rest/media/v1/upload_resource.py index e5aba3af4c..cc571976a5 100644 --- a/synapse/rest/media/v1/upload_resource.py +++ b/synapse/rest/media/v1/upload_resource.py @@ -13,12 +13,10 @@ # See the License for the specific language governing permissions and # limitations under the License. -from synapse.http.server import respond_with_json +from synapse.http.server import respond_with_json, request_handler from synapse.util.stringutils import random_string -from synapse.api.errors import ( - cs_exception, SynapseError, CodeMessageException -) +from synapse.api.errors import SynapseError from twisted.web.server import NOT_DONE_YET from twisted.internet import defer @@ -69,53 +67,42 @@ class UploadResource(BaseMediaResource): defer.returnValue("mxc://%s/%s" % (self.server_name, media_id)) + @request_handler @defer.inlineCallbacks def _async_render_POST(self, request): - try: - auth_user, client = yield self.auth.get_user_by_req(request) - # TODO: The checks here are a bit late. The content will have - # already been uploaded to a tmp file at this point - content_length = request.getHeader("Content-Length") - if content_length is None: - raise SynapseError( - msg="Request must specify a Content-Length", code=400 - ) - if int(content_length) > self.max_upload_size: - raise SynapseError( - msg="Upload request body is too large", - code=413, - ) - - headers = request.requestHeaders - - if headers.hasHeader("Content-Type"): - media_type = headers.getRawHeaders("Content-Type")[0] - else: - raise SynapseError( - msg="Upload request missing 'Content-Type'", - code=400, - ) - - # if headers.hasHeader("Content-Disposition"): - # disposition = headers.getRawHeaders("Content-Disposition")[0] - # TODO(markjh): parse content-dispostion - - content_uri = yield self.create_content( - media_type, None, request.content.read(), - content_length, auth_user + auth_user, client = yield self.auth.get_user_by_req(request) + # TODO: The checks here are a bit late. The content will have + # already been uploaded to a tmp file at this point + content_length = request.getHeader("Content-Length") + if content_length is None: + raise SynapseError( + msg="Request must specify a Content-Length", code=400 ) - - respond_with_json( - request, 200, {"content_uri": content_uri}, send_cors=True + if int(content_length) > self.max_upload_size: + raise SynapseError( + msg="Upload request body is too large", + code=413, ) - except CodeMessageException as e: - logger.exception(e) - respond_with_json(request, e.code, cs_exception(e), send_cors=True) - except: - logger.exception("Failed to store file") - respond_with_json( - request, - 500, - {"error": "Internal server error"}, - send_cors=True + + headers = request.requestHeaders + + if headers.hasHeader("Content-Type"): + media_type = headers.getRawHeaders("Content-Type")[0] + else: + raise SynapseError( + msg="Upload request missing 'Content-Type'", + code=400, ) + + # if headers.hasHeader("Content-Disposition"): + # disposition = headers.getRawHeaders("Content-Disposition")[0] + # TODO(markjh): parse content-dispostion + + content_uri = yield self.create_content( + media_type, None, request.content.read(), + content_length, auth_user + ) + + respond_with_json( + request, 200, {"content_uri": content_uri}, send_cors=True + ) |