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expose fewer internals in packages, for easier software reuse

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- prometheus is now behind an interface, they aren't dependencies for the
  reusable components anymore.
- some dependencies have been inverted: instead of packages importing a main
  package to get configuration, the main package now sets configuration in
  these packages. that means fewer internals are pulled in.
- some functions now have new parameters for values that were retrieved from
  package "mox-".
This commit is contained in:
Mechiel Lukkien
2023-12-05 21:13:57 +01:00
parent fcaa504878
commit 72ac1fde29
51 changed files with 696 additions and 568 deletions
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18
queue/submit.go
View File

@ -70,16 +70,18 @@ func deliverSubmit(qlog mlog.Log, resolver dns.Resolver, dialer smtpclient.Diale
// todo: for submission, understand SRV records, and even DANE.
ctx := mox.Shutdown
// If submit was done with REQUIRETLS extension for SMTP, we must verify TLS
// certificates. If our submission connection is not configured that way, abort.
requireTLS := m.RequireTLS != nil && *m.RequireTLS
if requireTLS && (tlsMode != smtpclient.TLSRequiredStartTLS && tlsMode != smtpclient.TLSImmediate || !tlsPKIX) {
errmsg = fmt.Sprintf("transport %s: message requires verified tls but transport does not verify tls", transportName)
fail(qlog, m, backoff, true, dsn.NameIP{}, smtp.SePol7MissingReqTLS, errmsg)
fail(ctx, qlog, m, backoff, true, dsn.NameIP{}, smtp.SePol7MissingReqTLS, errmsg)
return
}
dialctx, dialcancel := context.WithTimeout(context.Background(), 30*time.Second)
dialctx, dialcancel := context.WithTimeout(ctx, 30*time.Second)
defer dialcancel()
if m.DialedIPs == nil {
m.DialedIPs = map[string][]net.IP{}
@ -90,7 +92,7 @@ func deliverSubmit(qlog mlog.Log, resolver dns.Resolver, dialer smtpclient.Diale
if m.DialedIPs == nil {
m.DialedIPs = map[string][]net.IP{}
}
conn, _, err = smtpclient.Dial(dialctx, qlog.Logger, dialer, dns.IPDomain{Domain: transport.DNSHost}, ips, port, m.DialedIPs)
conn, _, err = smtpclient.Dial(dialctx, qlog.Logger, dialer, dns.IPDomain{Domain: transport.DNSHost}, ips, port, m.DialedIPs, mox.Conf.Static.SpecifiedSMTPListenIPs)
}
addr := net.JoinHostPort(transport.Host, fmt.Sprintf("%d", port))
var result string
@ -112,7 +114,7 @@ func deliverSubmit(qlog mlog.Log, resolver dns.Resolver, dialer smtpclient.Diale
}
qlog.Errorx("dialing for submission", err, slog.String("remote", addr))
errmsg = fmt.Sprintf("transport %s: dialing %s for submission: %v", transportName, addr, err)
fail(qlog, m, backoff, false, dsn.NameIP{}, "", errmsg)
fail(ctx, qlog, m, backoff, false, dsn.NameIP{}, "", errmsg)
return
}
dialcancel()
@ -134,7 +136,7 @@ func deliverSubmit(qlog mlog.Log, resolver dns.Resolver, dialer smtpclient.Diale
// Should not happen.
qlog.Error("missing smtp authentication mechanisms implementation", slog.String("mechanism", mech))
errmsg = fmt.Sprintf("transport %s: authentication mechanisms %q not implemented", transportName, mech)
fail(qlog, m, backoff, false, dsn.NameIP{}, "", errmsg)
fail(ctx, qlog, m, backoff, false, dsn.NameIP{}, "", errmsg)
return
}
}
@ -155,7 +157,7 @@ func deliverSubmit(qlog mlog.Log, resolver dns.Resolver, dialer smtpclient.Diale
qlog.Errorx("establishing smtp session for submission", err, slog.String("remote", addr))
errmsg = fmt.Sprintf("transport %s: establishing smtp session with %s for submission: %v", transportName, addr, err)
secodeOpt = smtperr.Secode
fail(qlog, m, backoff, false, remoteMTA, secodeOpt, errmsg)
fail(ctx, qlog, m, backoff, false, remoteMTA, secodeOpt, errmsg)
return
}
defer func() {
@ -180,7 +182,7 @@ func deliverSubmit(qlog mlog.Log, resolver dns.Resolver, dialer smtpclient.Diale
if err != nil {
qlog.Errorx("opening message for delivery", err, slog.String("remote", addr), slog.String("path", p))
errmsg = fmt.Sprintf("transport %s: opening message file for submission: %v", transportName, err)
fail(qlog, m, backoff, false, dsn.NameIP{}, "", errmsg)
fail(ctx, qlog, m, backoff, false, dsn.NameIP{}, "", errmsg)
return
}
msgr = store.FileMsgReader(m.MsgPrefix, f)
@ -223,7 +225,7 @@ func deliverSubmit(qlog mlog.Log, resolver dns.Resolver, dialer smtpclient.Diale
permanent = smtperr.Permanent
secodeOpt = smtperr.Secode
errmsg = fmt.Sprintf("transport %s: submitting email to %s: %v", transportName, addr, err)
fail(qlog, m, backoff, permanent, remoteMTA, secodeOpt, errmsg)
fail(ctx, qlog, m, backoff, permanent, remoteMTA, secodeOpt, errmsg)
return
}
qlog.Info("delivered from queue with transport")