diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/http/server.py | 216 | ||||
| -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 | 81 | ||||
| -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, 251 insertions, 289 deletions
diff --git a/synapse/http/server.py b/synapse/http/server.py index dee49b9e18..b3706889ab 100644 --- a/synapse/http/server.py +++ b/synapse/http/server.py @@ -51,6 +51,80 @@ response_timer = metrics.register_distribution( labels=["method", "servlet"] ) +_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 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 + def wrapped_request_handler(self, request): + global _next_request_id + request_id = "%s-%s" % (request.method, _next_request_id) + _next_request_id += 1 + with LoggingContext(request_id) as request_context: + request_context.request = request_id + code = None + start = self.clock.time_msec() + try: + logger.info( + "Received request: %s %s", + request.method, request.path + ) + yield request_handler(self, request) + code = request.code + except CodeMessageException as e: + code = e.code + if isinstance(e, SynapseError): + logger.info( + "%s SynapseError: %s - %s", request, code, e.msg + ) + else: + logger.exception(e) + outgoing_responses_counter.inc(request.method, str(code)) + respond_with_json( + request, code, cs_exception(e), send_cors=True, + pretty_print=_request_user_agent_is_curl(request), + version_string=self.version_string, + ) + except: + code = 500 + logger.exception( + "Failed handle request %s.%s on %r: %r", + request_handler.__module__, + request_handler.__name__, + self, + request + ) + respond_with_json( + request, + 500, + {"error": "Internal server error"}, + send_cors=True + ) + finally: + code = str(code) if code else "-" + end = self.clock.time_msec() + logger.info( + "Processed request: %dms %s %s %s", + end-start, code, request.method, request.path + ) + return wrapped_request_handler + class HttpServer(object): """ Interface for registering callbacks on a HTTP server @@ -115,101 +189,55 @@ class JsonResource(HttpServer, resource.Resource): def render(self, request): """ This get's called by twisted every time someone sends us a request. """ - self._async_render_with_logging_context(request) + self._async_render(request) return server.NOT_DONE_YET - _request_id = 0 - - @defer.inlineCallbacks - def _async_render_with_logging_context(self, request): - request_id = "%s-%s" % (request.method, JsonResource._request_id) - JsonResource._request_id += 1 - with LoggingContext(request_id) as request_context: - request_context.request = request_id - yield self._async_render(request) - + @request_handler @defer.inlineCallbacks def _async_render(self, request): """ This get's called by twisted every time someone sends us a request. This checks if anyone has registered a callback for that method and path. """ - code = None start = self.clock.time_msec() - try: - # Just say yes to OPTIONS. - if request.method == "OPTIONS": - self._send_response(request, 200, {}) - return - - # Loop through all the registered callbacks to check if the method - # and path regex match - for path_entry in self.path_regexs.get(request.method, []): - m = path_entry.pattern.match(request.path) - if not m: - continue - - # We found a match! Trigger callback and then return the - # returned response. We pass both the request and any - # matched groups from the regex to the callback. - - callback = path_entry.callback - - servlet_instance = getattr(callback, "__self__", None) - if servlet_instance is not None: - servlet_classname = servlet_instance.__class__.__name__ - else: - servlet_classname = "%r" % callback - incoming_requests_counter.inc(request.method, servlet_classname) - - args = [ - urllib.unquote(u).decode("UTF-8") for u in m.groups() - ] - - logger.info( - "Received request: %s %s", - request.method, request.path - ) + if request.method == "OPTIONS": + self._send_response(request, 200, {}) + return + # Loop through all the registered callbacks to check if the method + # and path regex match + for path_entry in self.path_regexs.get(request.method, []): + m = path_entry.pattern.match(request.path) + if not m: + continue + + # We found a match! Trigger callback and then return the + # returned response. We pass both the request and any + # matched groups from the regex to the callback. + + callback = path_entry.callback + + servlet_instance = getattr(callback, "__self__", None) + if servlet_instance is not None: + servlet_classname = servlet_instance.__class__.__name__ + else: + servlet_classname = "%r" % callback + incoming_requests_counter.inc(request.method, servlet_classname) - code, response = yield callback(request, *args) + args = [ + urllib.unquote(u).decode("UTF-8") for u in m.groups() + ] - self._send_response(request, code, response) - response_timer.inc_by( - self.clock.time_msec() - start, request.method, servlet_classname - ) + code, response = yield callback(request, *args) - return - - # Huh. No one wanted to handle that? Fiiiiiine. Send 400. - raise UnrecognizedRequestError() - except CodeMessageException as e: - if isinstance(e, SynapseError): - logger.info("%s SynapseError: %s - %s", request, e.code, e.msg) - else: - logger.exception(e) - - code = e.code - self._send_response( - request, - code, - cs_exception(e), - response_code_message=e.response_code_message - ) - except Exception as e: - logger.exception(e) - self._send_response( - request, - 500, - {"error": "Internal server error"} + self._send_response(request, code, response) + response_timer.inc_by( + self.clock.time_msec() - start, request.method, servlet_classname ) - finally: - code = str(code) if code else "-" - end = self.clock.time_msec() - logger.info( - "Processed request: %dms %s %s %s", - end-start, code, request.method, request.path - ) + return + + # Huh. No one wanted to handle that? Fiiiiiine. Send 400. + raise UnrecognizedRequestError() def _send_response(self, request, code, response_json_object, response_code_message=None): @@ -229,20 +257,10 @@ class JsonResource(HttpServer, resource.Resource): request, code, response_json_object, send_cors=True, response_code_message=response_code_message, - pretty_print=self._request_user_agent_is_curl, + pretty_print=_request_user_agent_is_curl(request), version_string=self.version_string, ) - @staticmethod - def _request_user_agent_is_curl(request): - user_agents = request.requestHeaders.getRawHeaders( - "User-Agent", default=[] - ) - for user_agent in user_agents: - if "curl" in user_agent: - return True - return False - class RootRedirect(resource.Resource): """Redirects the root '/' path to another path.""" @@ -263,8 +281,8 @@ class RootRedirect(resource.Resource): def respond_with_json(request, code, json_object, send_cors=False, response_code_message=None, pretty_print=False, version_string=""): - if not pretty_print: - json_bytes = encode_pretty_printed_json(json_object) + if pretty_print: + json_bytes = encode_pretty_printed_json(json_object) + "\n" else: json_bytes = encode_canonical_json(json_object) @@ -304,3 +322,13 @@ def respond_with_json_bytes(request, code, json_bytes, send_cors=False, request.write(json_bytes) request.finish() return NOT_DONE_YET + + +def _request_user_agent_is_curl(request): + user_agents = request.requestHeaders.getRawHeaders( + "User-Agent", default=[] + ) + for user_agent in user_agents: + if "curl" in user_agent: + return True + return False 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..edd4f78024 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 @@ -45,74 +57,9 @@ class BaseMediaResource(Resource): self.max_upload_size = hs.config.max_upload_size self.max_image_pixels = hs.config.max_image_pixels self.filepaths = filepaths + self.version_string = hs.version_string 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 + ) |