utils.multipartdecode -> http.multipart.decode

also

utils.parse_content_type -> http.headers.parse_content_type

1 files changed, 32 insertions, 0 deletions

diff --git a/netlib/http/multipart.py b/netlib/http/multipart.py
new file mode 100644
index 00000000..a135eb86
--- /dev/null
+++ b/netlib/http/multipart.py
@@ -0,0 +1,32 @@
+import re
+
+from . import headers
+
+
+def decode(hdrs, content):
+    """
+        Takes a multipart boundary encoded string and returns list of (key, value) tuples.
+    """
+    v = hdrs.get("content-type")
+    if v:
+        v = headers.parse_content_type(v)
+        if not v:
+            return []
+        try:
+            boundary = v[2]["boundary"].encode("ascii")
+        except (KeyError, UnicodeError):
+            return []
+
+        rx = re.compile(br'\bname="([^"]+)"')
+        r = []
+
+        for i in content.split(b"--" + boundary):
+            parts = i.splitlines()
+            if len(parts) > 1 and parts[0][0:2] != b"--":
+                match = rx.search(parts[1])
+                if match:
+                    key = match.group(1)
+                    value = b"".join(parts[3 + parts[2:].index(b""):])
+                    r.append((key, value))
+        return r
+    return []