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-rw-r--r--src/leap/mail/imap/server.py19
1 files changed, 18 insertions, 1 deletions
diff --git a/src/leap/mail/imap/server.py b/src/leap/mail/imap/server.py
index 3aeca54..45da535 100644
--- a/src/leap/mail/imap/server.py
+++ b/src/leap/mail/imap/server.py
@@ -17,6 +17,7 @@
"""
LEAP IMAP4 Server Implementation.
"""
+import StringIO
from copy import copy
from twisted import cred
@@ -136,7 +137,23 @@ class LEAPIMAPServer(imap4.IMAP4Server):
_w(str(part) + ' ')
_f()
if part.part:
- return imap4.FileProducer(msg.getBodyFile()
+ # PATCHED #############################################
+ # implement partial FETCH
+ # TODO implement boundary checks
+ # TODO see if there's a more efficient way, without
+ # copying the original content into a new buffer.
+ fd = msg.getBodyFile()
+ begin = getattr(part, "partialBegin", None)
+ _len = getattr(part, "partialLength", None)
+ if begin is not None and _len is not None:
+ _fd = StringIO.StringIO()
+ fd.seek(part.partialBegin)
+ _fd.write(fd.read(part.partialLength))
+ _fd.seek(0)
+ else:
+ _fd = fd
+ return imap4.FileProducer(_fd
+ # END PATCHED #########################3
).beginProducing(self.transport
)
else: