X-Git-Url: https://git.distorted.org.uk/~mdw/chopwood/blobdiff_plain/76ee7d4f64bc1f20013f44c8045cd708ef0b9641..9e574017f801c1bb4b5d4856e988b892d90246a2:/cgi.py

diff --git a/cgi.py b/cgi.py
index 6006062..cfa26f7 100644
--- a/cgi.py
+++ b/cgi.py
@@ -453,6 +453,11 @@ class Subcommand (SC.Subcommand):
   CGI parameters.
   """
 
+  def __init__(me, name, contexts, desc, func,
+               methods = ['GET', 'POST'], *args, **kw):
+    super(Subcommand, me).__init__(name, contexts, desc, func, *args, **kw)
+    me.methods = set(methods)
+
   def cgi(me, param, path):
     """
     Invoke the subcommand given a collection of CGI parameters.
@@ -484,6 +489,12 @@ class Subcommand (SC.Subcommand):
     want = {}
     kw = {}
 
+    ## Check the request method against the permitted list.
+    meth = METHOD
+    if meth == 'HEAD': meth = 'GET'
+    if meth not in me.methods:
+      raise U.ExpectedError, (500, "Unexpected request method `%s'" % METHOD)
+
     def set_value(k, v):
       """Set a simple value: we shouldn't see multiple values."""
       if k in kw: