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SimpleHTTPClient: add support for headers 

Sometimes we need to pass headers into these methods
This commit is contained in:
Richard van der Hoff 2017-10-26 17:59:50 +01:00
parent 1dd0f53b21
commit 12ef02dc3d
1 changed files with 69 additions and 28 deletions
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97
synapse/http/client.py
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@ -114,19 +114,23 @@ class SimpleHttpClient(object):
raise e
@defer.inlineCallbacks
def post_urlencoded_get_json(self, uri, args={}):
def post_urlencoded_get_json(self, uri, args={}, headers=None):
# TODO: Do we ever want to log message contents?
logger.debug("post_urlencoded_get_json args: %s", args)
query_bytes = urllib.urlencode(encode_urlencode_args(args), True)
actual_headers = {
b"Content-Type": [b"application/x-www-form-urlencoded"],
b"User-Agent": [self.user_agent],
}
if headers:
actual_headers.update(headers)
response = yield self.request(
"POST",
uri.encode("ascii"),
headers=Headers({
b"Content-Type": [b"application/x-www-form-urlencoded"],
b"User-Agent": [self.user_agent],
}),
headers=Headers(actual_headers),
bodyProducer=FileBodyProducer(StringIO(query_bytes))
)
@ -135,18 +139,33 @@ class SimpleHttpClient(object):
defer.returnValue(json.loads(body))
@defer.inlineCallbacks
def post_json_get_json(self, uri, post_json):
def post_json_get_json(self, uri, post_json, headers=None):
"""
Args:
uri (str):
post_json (object):
headers (dict[str, List[str]]|None): If not None, a map from
header name to a list of values for that header
Returns:
Deferred[object]: parsed json
"""
json_str = encode_canonical_json(post_json)
logger.debug("HTTP POST %s -> %s", json_str, uri)
actual_headers = {
b"Content-Type": [b"application/json"],
b"User-Agent": [self.user_agent],
}
if headers:
actual_headers.update(headers)
response = yield self.request(
"POST",
uri.encode("ascii"),
headers=Headers({
b"Content-Type": [b"application/json"],
b"User-Agent": [self.user_agent],
}),
headers=Headers(actual_headers),
bodyProducer=FileBodyProducer(StringIO(json_str))
)
@ -160,7 +179,7 @@ class SimpleHttpClient(object):
defer.returnValue(json.loads(body))
@defer.inlineCallbacks
def get_json(self, uri, args={}):
def get_json(self, uri, args={}, headers=None):
""" Gets some json from the given URI.
Args:
@ -169,6 +188,8 @@ class SimpleHttpClient(object):
None.
**Note**: The value of each key is assumed to be an iterable
and *not* a string.
headers (dict[str, List[str]]|None): If not None, a map from
header name to a list of values for that header
Returns:
Deferred: Succeeds when we get *any* 2xx HTTP response, with the
HTTP body as JSON.
@ -177,13 +198,13 @@ class SimpleHttpClient(object):
error message.
"""
try:
body = yield self.get_raw(uri, args)
body = yield self.get_raw(uri, args, headers=headers)
defer.returnValue(json.loads(body))
except CodeMessageException as e:
raise self._exceptionFromFailedRequest(e.code, e.msg)
@defer.inlineCallbacks
def put_json(self, uri, json_body, args={}):
def put_json(self, uri, json_body, args={}, headers=None):
""" Puts some json to the given URI.
Args:
@ -193,6 +214,8 @@ class SimpleHttpClient(object):
None.
**Note**: The value of each key is assumed to be an iterable
and *not* a string.
headers (dict[str, List[str]]|None): If not None, a map from
header name to a list of values for that header
Returns:
Deferred: Succeeds when we get *any* 2xx HTTP response, with the
HTTP body as JSON.
@ -205,13 +228,17 @@ class SimpleHttpClient(object):
json_str = encode_canonical_json(json_body)
actual_headers = {
b"Content-Type": [b"application/json"],
b"User-Agent": [self.user_agent],
}
if headers:
actual_headers.update(headers)
response = yield self.request(
"PUT",
uri.encode("ascii"),
headers=Headers({
b"User-Agent": [self.user_agent],
"Content-Type": ["application/json"]
}),
headers=Headers(actual_headers),
bodyProducer=FileBodyProducer(StringIO(json_str))
)
@ -226,7 +253,7 @@ class SimpleHttpClient(object):
raise CodeMessageException(response.code, body)
@defer.inlineCallbacks
def get_raw(self, uri, args={}):
def get_raw(self, uri, args={}, headers=None):
""" Gets raw text from the given URI.
Args:
@ -235,6 +262,8 @@ class SimpleHttpClient(object):
None.
**Note**: The value of each key is assumed to be an iterable
and *not* a string.
headers (dict[str, List[str]]|None): If not None, a map from
header name to a list of values for that header
Returns:
Deferred: Succeeds when we get *any* 2xx HTTP response, with the
HTTP body at text.
@ -246,12 +275,16 @@ class SimpleHttpClient(object):
query_bytes = urllib.urlencode(args, True)
uri = "%s?%s" % (uri, query_bytes)
actual_headers = {
b"User-Agent": [self.user_agent],
}
if headers:
actual_headers.update(headers)
response = yield self.request(
"GET",
uri.encode("ascii"),
headers=Headers({
b"User-Agent": [self.user_agent],
})
headers=Headers(actual_headers),
)
body = yield preserve_context_over_fn(readBody, response)
@ -274,27 +307,33 @@ class SimpleHttpClient(object):
# The two should be factored out.
@defer.inlineCallbacks
def get_file(self, url, output_stream, max_size=None):
def get_file(self, url, output_stream, max_size=None, headers=None):
"""GETs a file from a given URL
Args:
url (str): The URL to GET
output_stream (file): File to write the response body to.
headers (dict[str, List[str]]|None): If not None, a map from
header name to a list of values for that header
Returns:
A (int,dict,string,int) tuple of the file length, dict of the response
headers, absolute URI of the response and HTTP response code.
"""
actual_headers = {
b"User-Agent": [self.user_agent],
}
if headers:
actual_headers.update(headers)
response = yield self.request(
"GET",
url.encode("ascii"),
headers=Headers({
b"User-Agent": [self.user_agent],
})
headers=Headers(actual_headers),
)
headers = dict(response.headers.getAllRawHeaders())
resp_headers = dict(response.headers.getAllRawHeaders())
if 'Content-Length' in headers and headers['Content-Length'] > max_size:
if 'Content-Length' in resp_headers and resp_headers['Content-Length'] > max_size:
logger.warn("Requested URL is too large > %r bytes" % (self.max_size,))
raise SynapseError(
502,
@ -327,7 +366,9 @@ class SimpleHttpClient(object):
Codes.UNKNOWN,
)
defer.returnValue((length, headers, response.request.absoluteURI, response.code))
defer.returnValue(
(length, resp_headers, response.request.absoluteURI, response.code),
)
# XXX: FIXME: This is horribly copy-pasted from matrixfederationclient.