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add message size consistency check

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the bulk of a message is stored on disk. a message prefix is stored in the
database (for prefixed headers like "Received:"). this adds a check to ensure
Size = prefix length + on-disk file size.

verifydata also checks for this now.

and one older and one new (since yesterday) bug was found. the first when
appending a message without a header/body section (uncommon). the second when
sending messages from webmail with localserve (uncommon).
This commit is contained in:
Mechiel Lukkien
2023-08-08 22:10:53 +02:00
parent 49cf16d3f2
commit 8c3c12d96a
9 changed files with 259 additions and 17 deletions
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4
imapserver/status_test.go
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@ -25,10 +25,10 @@ func TestStatus(t *testing.T) {
// Again, now with a message in the mailbox.
tc.transactf("ok", "append inbox {4+}\r\ntest")
tc.transactf("ok", "status inbox (messages uidnext uidvalidity unseen deleted size recent appendlimit)")
tc.xuntagged(imapclient.UntaggedStatus{Mailbox: "Inbox", Attrs: map[string]int64{"MESSAGES": 1, "UIDVALIDITY": 1, "UIDNEXT": 2, "UNSEEN": 1, "DELETED": 0, "SIZE": 4, "RECENT": 0, "APPENDLIMIT": 0}})
tc.xuntagged(imapclient.UntaggedStatus{Mailbox: "Inbox", Attrs: map[string]int64{"MESSAGES": 1, "UIDVALIDITY": 1, "UIDNEXT": 2, "UNSEEN": 1, "DELETED": 0, "SIZE": 6, "RECENT": 0, "APPENDLIMIT": 0}})
tc.client.Select("inbox")
tc.client.StoreFlagsSet("1", true, `\Deleted`)
tc.transactf("ok", "status inbox (messages uidnext uidvalidity unseen deleted size recent appendlimit)")
tc.xuntagged(imapclient.UntaggedStatus{Mailbox: "Inbox", Attrs: map[string]int64{"MESSAGES": 1, "UIDVALIDITY": 1, "UIDNEXT": 2, "UNSEEN": 1, "DELETED": 1, "SIZE": 4, "RECENT": 0, "APPENDLIMIT": 0}})
tc.xuntagged(imapclient.UntaggedStatus{Mailbox: "Inbox", Attrs: map[string]int64{"MESSAGES": 1, "UIDVALIDITY": 1, "UIDNEXT": 2, "UNSEEN": 1, "DELETED": 1, "SIZE": 6, "RECENT": 0, "APPENDLIMIT": 0}})
}