X-Git-Url: http://dolda2000.com/gitweb/?p=wrw.git;a=blobdiff_plain;f=wrw%2Fproto.py;h=0e3c7984936dda9cdeb81411b2791c3b54b4e845;hp=482a23ead18d2bef26a415ab22a990ae1680f46d;hb=328e9684d09e1f415622ba3d7bc7fc446f54e1a1;hpb=69eb6cbefcf769276e3e15c6f20e9d5af74fd326

diff --git a/wrw/proto.py b/wrw/proto.py
index 482a23e..0e3c798 100644
--- a/wrw/proto.py
+++ b/wrw/proto.py
@@ -1,4 +1,4 @@
-import time, calendar
+import time, calendar, collections, binascii, base64
 
 statusinfo = {
     400: ("Bad Request", "Invalid HTTP request."),
@@ -195,3 +195,37 @@ def parurl(url, pars={}, **augment):
         return url + "?" + qs
     else:
         return url
+
+# Wrap these, since binascii is a bit funky. :P
+def enhex(bs):
+    return base64.b16encode(bs).decode("us-ascii")
+def unhex(es):
+    if not isinstance(es, collections.ByteString):
+        try:
+            es = es.encode("us-ascii")
+        except UnicodeError:
+            raise binascii.Error("non-ascii character in hex-string")
+    return base64.b16decode(es)
+def enb32(bs):
+    return base64.b32encode(bs).decode("us-ascii")
+def unb32(es):
+    if not isinstance(es, collections.ByteString):
+        try:
+            es = es.encode("us-ascii")
+        except UnicodeError:
+            raise binascii.Error("non-ascii character in base32-string")
+    if (len(es) % 8) != 0:
+        es += b"=" * (8 - (len(es) % 8))
+    es = es.upper()             # The whole point of Base32 is that it's case-insensitive :P
+    return base64.b32decode(es)
+def enb64(bs):
+    return base64.b64encode(bs).decode("us-ascii")
+def unb64(es):
+    if not isinstance(es, collections.ByteString):
+        try:
+            es = es.encode("us-ascii")
+        except UnicodeError:
+            raise binascii.Error("non-ascii character in base64-string")
+    if (len(es) % 4) != 0:
+        es += b"=" * (4 - (len(es) % 4))
+    return base64.b64decode(es)