Limit HTTP chunk size to 900000 bytes

1 files changed, 8 insertions, 1 deletions

diff --git a/tools/certtools.py b/tools/certtools.py
index 023bc1e..1523c97 100644
--- a/tools/certtools.py
+++ b/tools/certtools.py
@@ -273,16 +273,23 @@ def http_request(url, data=None, key=None, verifynode=None, publickeydir=".", pa
         with requests.sessions.Session() as session:
             return http_request_session(url, data=data, key=key, verifynode=verifynode, publickeydir=publickeydir, params=params, session=session)
 
+def chunk_generator(data, maxsize):
+    while len(data):
+        yield data[:maxsize]
+        data = data[maxsize:]
+
 def http_request_session(url, data=None, key=None, verifynode=None, publickeydir=".", params=None, session=None):
     (keyname, keyfile) = key
     privatekey = get_eckey_from_file(keyfile)
     sk = ecdsa.SigningKey.from_der(privatekey)
     if data == None:
         method = "GET"
+        chunked_data = None
     else:
         method = "POST"
+        chunked_data = chunk_generator(data, 900000)
         assert(params == None)
-    req = requests.Request(method, url, params=params, data=data)
+    req = requests.Request(method, url, params=params, data=chunked_data)
     prepared_req = session.prepare_request(req)
     parsed_url = urlparse.urlparse(prepared_req.url)
     if data == None: