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c7315cb72d
for some errors during the scram authentication protocol, we would treat some errors that a client connection could induce as server errors, printing a stack trace and aborting the connection. this change recognizes those errors and sends regular "authentication failed" or "protocol error" error messages to the client. for issue #222 by wneessen, thanks for reporting
40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
// Package metrics has (prometheus) metrics shared between components of mox, e.g. for authentication.
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package metrics
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import (
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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)
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var (
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metricAuth = promauto.NewCounterVec(
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prometheus.CounterOpts{
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Name: "mox_authentication_total",
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Help: "Authentication attempts and results.",
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},
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[]string{
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"kind", // submission, imap, webmail, webapi, webaccount, webadmin (formerly httpaccount, httpadmin)
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"variant", // login, plain, scram-sha-256, scram-sha-1, cram-md5, weblogin, websessionuse, httpbasic.
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// todo: we currently only use badcreds, but known baduser can be helpful
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"result", // ok, baduser, badpassword, badcreds, badchanbind, error, aborted
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},
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)
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metricAuthRatelimited = promauto.NewCounterVec(
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prometheus.CounterOpts{
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Name: "mox_authentication_ratelimited_total",
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Help: "Authentication attempts that were refused due to rate limiting.",
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},
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[]string{
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"kind", // submission, imap, httpaccount, httpadmin
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},
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)
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)
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func AuthenticationInc(kind, variant, result string) {
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metricAuth.WithLabelValues(kind, variant, result).Inc()
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}
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func AuthenticationRatelimitedInc(kind string) {
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metricAuthRatelimited.WithLabelValues(kind).Inc()
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}
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