diff options
Diffstat (limited to 'synapse/http/servlet.py')
| -rw-r--r-- | synapse/http/servlet.py | 75 |
1 files changed, 56 insertions, 19 deletions
diff --git a/synapse/http/servlet.py b/synapse/http/servlet.py index ef8e62901b..a1e4b88e6d 100644 --- a/synapse/http/servlet.py +++ b/synapse/http/servlet.py @@ -15,10 +15,11 @@ """ This module contains base REST classes for constructing REST servlets. """ -from synapse.api.errors import SynapseError, Codes - import logging -import simplejson + +from canonicaljson import json + +from synapse.api.errors import Codes, SynapseError logger = logging.getLogger(__name__) @@ -28,7 +29,7 @@ def parse_integer(request, name, default=None, required=False): Args: request: the twisted HTTP request. - name (str): the name of the query parameter. + name (bytes/unicode): the name of the query parameter. default (int|None): value to use if the parameter is absent, defaults to None. required (bool): whether to raise a 400 SynapseError if the @@ -45,6 +46,10 @@ def parse_integer(request, name, default=None, required=False): def parse_integer_from_args(args, name, default=None, required=False): + + if not isinstance(name, bytes): + name = name.encode('ascii') + if name in args: try: return int(args[name][0]) @@ -64,7 +69,7 @@ def parse_boolean(request, name, default=None, required=False): Args: request: the twisted HTTP request. - name (str): the name of the query parameter. + name (bytes/unicode): the name of the query parameter. default (bool|None): value to use if the parameter is absent, defaults to None. required (bool): whether to raise a 400 SynapseError if the @@ -82,11 +87,15 @@ def parse_boolean(request, name, default=None, required=False): def parse_boolean_from_args(args, name, default=None, required=False): + + if not isinstance(name, bytes): + name = name.encode('ascii') + if name in args: try: return { - "true": True, - "false": False, + b"true": True, + b"false": False, }[args[name][0]] except Exception: message = ( @@ -103,21 +112,29 @@ def parse_boolean_from_args(args, name, default=None, required=False): def parse_string(request, name, default=None, required=False, - allowed_values=None, param_type="string"): - """Parse a string parameter from the request query string. + allowed_values=None, param_type="string", encoding='ascii'): + """ + Parse a string parameter from the request query string. + + If encoding is not None, the content of the query param will be + decoded to Unicode using the encoding, otherwise it will be encoded Args: request: the twisted HTTP request. - name (str): the name of the query parameter. - default (str|None): value to use if the parameter is absent, defaults - to None. + name (bytes/unicode): the name of the query parameter. + default (bytes/unicode|None): value to use if the parameter is absent, + defaults to None. Must be bytes if encoding is None. required (bool): whether to raise a 400 SynapseError if the parameter is absent, defaults to False. - allowed_values (list[str]): List of allowed values for the string, - or None if any value is allowed, defaults to None + allowed_values (list[bytes/unicode]): List of allowed values for the + string, or None if any value is allowed, defaults to None. Must be + the same type as name, if given. + encoding: The encoding to decode the name to, and decode the string + content with. Returns: - str|None: A string value or the default. + bytes/unicode|None: A string value or the default. Unicode if encoding + was given, bytes otherwise. Raises: SynapseError if the parameter is absent and required, or if the @@ -125,14 +142,22 @@ def parse_string(request, name, default=None, required=False, is not one of those allowed values. """ return parse_string_from_args( - request.args, name, default, required, allowed_values, param_type, + request.args, name, default, required, allowed_values, param_type, encoding ) def parse_string_from_args(args, name, default=None, required=False, - allowed_values=None, param_type="string"): + allowed_values=None, param_type="string", encoding='ascii'): + + if not isinstance(name, bytes): + name = name.encode('ascii') + if name in args: value = args[name][0] + + if encoding: + value = value.decode(encoding) + 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) @@ -145,6 +170,10 @@ def parse_string_from_args(args, name, default=None, required=False, message = "Missing %s query parameter %r" % (param_type, name) raise SynapseError(400, message, errcode=Codes.MISSING_PARAM) else: + + if encoding and isinstance(default, bytes): + return default.decode(encoding) + return default @@ -170,8 +199,16 @@ def parse_json_value_from_request(request, allow_empty_body=False): if not content_bytes and allow_empty_body: return None + # Decode to Unicode so that simplejson will return Unicode strings on + # Python 2 + try: + content_unicode = content_bytes.decode('utf8') + except UnicodeDecodeError: + logger.warn("Unable to decode UTF-8") + raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON) + try: - content = simplejson.loads(content_bytes) + content = json.loads(content_unicode) except Exception as e: logger.warn("Unable to parse JSON: %s", e) raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON) @@ -205,7 +242,7 @@ def parse_json_object_from_request(request, allow_empty_body=False): return content -def assert_params_in_request(body, required): +def assert_params_in_dict(body, required): absent = [] for k in required: if k not in body: |