inbound mail server
This commit is contained in:
parent
f28bfd0ace
commit
f18ca0941a
GPG key ID:
FC678714ACA347CB
8 changed files with 557 additions and 31 deletions
1
.gitignore
vendored
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1
.gitignore
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@ -0,0 +1 @@
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/.direnv/
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@ -1,12 +1,97 @@
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package main
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package main
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import "flag"
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import (
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"context"
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"crypto/tls"
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"encoding/json"
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"flag"
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"os"
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"os/signal"
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"syscall"
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"time"
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var listenPort int
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"github.com/emersion/go-milter"
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"github.com/emersion/go-smtp"
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"go.uber.org/zap"
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"golang.org/x/time/rate"
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localtls "git.cycore.io/cycore/mail/pkg/tls"
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"git.cycore.io/cycore/mail/server"
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)
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var (
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listenPort int
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healthPort int
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)
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var allowedDomains []string
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func init() {
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func init() {
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flag.IntVar(&listenPort, "p", 2525, "port on which to listen for incoming emails")
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flag.IntVar(&listenPort, "p", 2525, "port on which to listen for incoming emails")
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flag.IntVar(&healthPort, "p", 8080, "port on which to listen for health checks")
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}
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}
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func main() {
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func main() {
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var err error
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var log *zap.Logger
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ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
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defer cancel()
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if _, ok := os.LookupEnv("DEBUG"); ok {
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log, err = zap.NewDevelopment()
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} else {
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log, err = zap.NewProduction()
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}
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if err != nil {
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panic("failed to instantiate logger: " + err.Error())
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}
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if v := os.Getenv("ALLOWED_DOMAINS"); v != "" {
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if err := json.Unmarshal([]byte(v), &allowedDomains); err != nil {
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log.Fatal("failed to read ALLOWED_DOMAINS from environment", zap.Error(err))
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}
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}
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if len(allowedDomains) < 1 {
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log.Fatal("no allowed domains")
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}
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cm, err := localtls.NewCertManager(os.Getenv("CERTIFICATE_NAME"), os.Getenv("CERTIFICATE_NAMESPACE"))
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if err != nil {
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log.Fatal("failed to create certificate manager", zap.Error(err))
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}
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go func() {
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if err := cm.Watch(ctx, log); err != nil {
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log.Error("certificate manager exited", zap.Error(err))
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cancel()
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}
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}()
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be := &server.Backend{
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AllowedDomains: allowedDomains,
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Log: log,
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LMTPAddress: os.Getenv("LMTP_ADDRESS"),
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RootContext: ctx,
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RSpam: milter.NewDefaultClient("tcp", "rspamd"),
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OverallLimiter: rate.NewLimiter(rate.Limit(10), 20),
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}
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s := smtp.NewServer(be)
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defer s.Close() //nolint:errcheck
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s.Addr = ":2525"
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s.Domain = "cycore.io"
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s.WriteTimeout = 10 * time.Second
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s.WriteTimeout = 10 * time.Second
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s.MaxMessageBytes = 300 * 1024 * 1024 // 300 MiB
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s.MaxRecipients = 10
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s.TLSConfig = &tls.Config{
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GetCertificate: cm.Get,
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}
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log.Fatal("server exited", zap.Error(s.ListenAndServeTLS()))
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}
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}
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14
flake.lock
14
flake.lock
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@ -5,11 +5,11 @@
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"systems": "systems"
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"systems": "systems"
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},
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},
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"locked": {
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"locked": {
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"lastModified": 1681202837,
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"lastModified": 1694529238,
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"narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
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"narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
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"owner": "numtide",
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"owner": "numtide",
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"repo": "flake-utils",
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"repo": "flake-utils",
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"rev": "cfacdce06f30d2b68473a46042957675eebb3401",
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"rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
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"type": "github"
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"type": "github"
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},
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},
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"original": {
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"original": {
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@ -20,16 +20,16 @@
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},
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},
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"nixpkgs": {
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"nixpkgs": {
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"locked": {
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"locked": {
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"lastModified": 1683627095,
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"lastModified": 1695825837,
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"narHash": "sha256-8u9SejRpL2TrMuHBdhYh4FKc1OGPDLyWTpIbNTtoHsA=",
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"narHash": "sha256-4Ne11kNRnQsmSJCRSSNkFRSnHC4Y5gPDBIQGjjPfJiU=",
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"owner": "nixos",
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"owner": "nixos",
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"repo": "nixpkgs",
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"repo": "nixpkgs",
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"rev": "a08e061a4ee8329747d54ddf1566d34c55c895eb",
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"rev": "5cfafa12d57374f48bcc36fda3274ada276cf69e",
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"type": "github"
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"type": "github"
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},
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},
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"original": {
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"original": {
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"owner": "nixos",
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"owner": "nixos",
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"ref": "nixos-22.11",
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"ref": "nixos-23.05",
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"repo": "nixpkgs",
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"repo": "nixpkgs",
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"type": "github"
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"type": "github"
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}
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}
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@ -1,7 +1,7 @@
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{
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{
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description = "tkcli devshell";
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description = "tkcli devshell";
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inputs = {
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs/nixos-22.11";
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nixpkgs.url = "github:nixos/nixpkgs/nixos-23.05";
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#nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; # localstack is broken right now (2023-01-25) in unstable, due to a missing dependency
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#nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; # localstack is broken right now (2023-01-25) in unstable, due to a missing dependency
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flake-utils.url = "github:numtide/flake-utils";
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flake-utils.url = "github:numtide/flake-utils";
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};
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};
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57
go.mod
57
go.mod
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@ -3,15 +3,58 @@ module git.cycore.io/cycore/mail
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go 1.20
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go 1.20
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require (
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require (
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github.com/emersion/go-imap v1.2.1 // indirect
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github.com/emersion/go-message v0.16.0
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github.com/emersion/go-message v0.16.0 // indirect
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github.com/emersion/go-milter v0.3.3
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github.com/emersion/go-milter v0.3.3 // indirect
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github.com/emersion/go-smtp v0.16.0
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github.com/pkg/errors v0.9.1
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github.com/stretchr/readcaster v0.0.0-20140428013627-9c14a60f85dc
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go.uber.org/zap v1.24.0
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golang.org/x/time v0.3.0
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k8s.io/api v0.28.2
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k8s.io/client-go v0.28.2
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)
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require (
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github.com/davecgh/go-spew v1.1.1 // indirect
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github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21 // indirect
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github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21 // indirect
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github.com/emersion/go-smtp v0.16.0 // indirect
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github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594 // indirect
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github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594 // indirect
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github.com/emicklei/go-restful/v3 v3.9.0 // indirect
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github.com/go-logr/logr v1.2.4 // indirect
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github.com/go-openapi/jsonpointer v0.19.6 // indirect
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github.com/go-openapi/jsonreference v0.20.2 // indirect
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github.com/go-openapi/swag v0.22.3 // indirect
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github.com/gogo/protobuf v1.3.2 // indirect
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github.com/golang/protobuf v1.5.3 // indirect
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github.com/google/gnostic-models v0.6.8 // indirect
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github.com/google/go-cmp v0.5.9 // indirect
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github.com/google/gofuzz v1.2.0 // indirect
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github.com/google/uuid v1.3.0 // indirect
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github.com/imdario/mergo v0.3.6 // indirect
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github.com/josharian/intern v1.0.0 // indirect
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github.com/json-iterator/go v1.1.12 // indirect
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github.com/mailru/easyjson v0.7.7 // indirect
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
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github.com/modern-go/reflect2 v1.0.2 // indirect
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
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github.com/spf13/pflag v1.0.5 // indirect
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go.uber.org/atomic v1.7.0 // indirect
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go.uber.org/atomic v1.7.0 // indirect
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go.uber.org/multierr v1.6.0 // indirect
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go.uber.org/multierr v1.6.0 // indirect
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go.uber.org/zap v1.24.0 // indirect
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golang.org/x/net v0.15.0 // indirect
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golang.org/x/text v0.3.7 // indirect
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golang.org/x/oauth2 v0.8.0 // indirect
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golang.org/x/time v0.3.0 // indirect
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golang.org/x/sys v0.12.0 // indirect
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golang.org/x/term v0.12.0 // indirect
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golang.org/x/text v0.13.0 // indirect
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golang.org/x/tools v0.13.0 // indirect
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google.golang.org/appengine v1.6.7 // indirect
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google.golang.org/protobuf v1.30.0 // indirect
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gopkg.in/inf.v0 v0.9.1 // indirect
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gopkg.in/yaml.v2 v2.4.0 // indirect
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gopkg.in/yaml.v3 v3.0.1 // indirect
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k8s.io/apimachinery v0.28.2 // indirect
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k8s.io/klog/v2 v2.100.1 // indirect
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k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 // indirect
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k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // indirect
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sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
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sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
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sigs.k8s.io/yaml v1.3.0 // indirect
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)
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)
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152
go.sum
152
go.sum
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@ -1,10 +1,9 @@
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github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
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github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/emersion/go-imap v1.2.1 h1:+s9ZjMEjOB8NzZMVTM3cCenz2JrQIGGo5j1df19WjTA=
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|
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github.com/emersion/go-imap v1.2.1/go.mod h1:Qlx1FSx2FTxjnjWpIlVNEuX+ylerZQNFE5NsmKFSejY=
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|
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github.com/emersion/go-message v0.11.2/go.mod h1:C4jnca5HOTo4bGN9YdqNQM9sITuT3Y0K6bSUw9RklvY=
|
github.com/emersion/go-message v0.11.2/go.mod h1:C4jnca5HOTo4bGN9YdqNQM9sITuT3Y0K6bSUw9RklvY=
|
||||||
github.com/emersion/go-message v0.15.0 h1:urgKGqt2JAc9NFJcgncQcohHdiYb803YTH9OQwHBHIY=
|
|
||||||
github.com/emersion/go-message v0.15.0/go.mod h1:wQUEfE+38+7EW8p8aZ96ptg6bAb1iwdgej19uXASlE4=
|
|
||||||
github.com/emersion/go-message v0.16.0 h1:uZLz8ClLv3V5fSFF/fFdW9jXjrZkXIpE1Fn8fKx7pO4=
|
github.com/emersion/go-message v0.16.0 h1:uZLz8ClLv3V5fSFF/fFdW9jXjrZkXIpE1Fn8fKx7pO4=
|
||||||
github.com/emersion/go-message v0.16.0/go.mod h1:pDJDgf/xeUIF+eicT6B/hPX/ZbEorKkUMPOxrPVG2eQ=
|
github.com/emersion/go-message v0.16.0/go.mod h1:pDJDgf/xeUIF+eicT6B/hPX/ZbEorKkUMPOxrPVG2eQ=
|
||||||
github.com/emersion/go-milter v0.3.3 h1:DiP9Xmw2FqEuosNCd01XPDBb1K3OziNmt7BG2ddFlgs=
|
github.com/emersion/go-milter v0.3.3 h1:DiP9Xmw2FqEuosNCd01XPDBb1K3OziNmt7BG2ddFlgs=
|
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|
|
@ -16,20 +15,161 @@ github.com/emersion/go-smtp v0.16.0/go.mod h1:qm27SGYgoIPRot6ubfQ/GpiPy/g3PaZAVR
|
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github.com/emersion/go-textwrapper v0.0.0-20160606182133-d0e65e56babe/go.mod h1:aqO8z8wPrjkscevZJFVE1wXJrLpC5LtJG7fqLOsPb2U=
|
github.com/emersion/go-textwrapper v0.0.0-20160606182133-d0e65e56babe/go.mod h1:aqO8z8wPrjkscevZJFVE1wXJrLpC5LtJG7fqLOsPb2U=
|
||||||
github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594 h1:IbFBtwoTQyw0fIM5xv1HF+Y+3ZijDR839WMulgxCcUY=
|
github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594 h1:IbFBtwoTQyw0fIM5xv1HF+Y+3ZijDR839WMulgxCcUY=
|
||||||
github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594/go.mod h1:aqO8z8wPrjkscevZJFVE1wXJrLpC5LtJG7fqLOsPb2U=
|
github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594/go.mod h1:aqO8z8wPrjkscevZJFVE1wXJrLpC5LtJG7fqLOsPb2U=
|
||||||
|
github.com/emicklei/go-restful/v3 v3.9.0 h1:XwGDlfxEnQZzuopoqxwSEllNcCOM9DhhFyhFIIGKwxE=
|
||||||
|
github.com/emicklei/go-restful/v3 v3.9.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
|
||||||
|
github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
|
||||||
|
github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
|
||||||
|
github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
|
||||||
|
github.com/go-openapi/jsonpointer v0.19.6 h1:eCs3fxoIi3Wh6vtgmLTOjdhSpiqphQ+DaPn38N2ZdrE=
|
||||||
|
github.com/go-openapi/jsonpointer v0.19.6/go.mod h1:osyAmYz/mB/C3I+WsTTSgw1ONzaLJoLCyoi6/zppojs=
|
||||||
|
github.com/go-openapi/jsonreference v0.20.2 h1:3sVjiK66+uXK/6oQ8xgcRKcFgQ5KXa2KvnJRumpMGbE=
|
||||||
|
github.com/go-openapi/jsonreference v0.20.2/go.mod h1:Bl1zwGIM8/wsvqjsOQLJ/SH+En5Ap4rVB5KVcIDZG2k=
|
||||||
|
github.com/go-openapi/swag v0.22.3 h1:yMBqmnQ0gyZvEb/+KzuWZOXgllrXT4SADYbvDaXHv/g=
|
||||||
|
github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
|
||||||
|
github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
|
||||||
|
github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
|
||||||
|
github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
|
||||||
|
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||||
|
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
|
||||||
|
github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
|
||||||
|
github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
|
||||||
|
github.com/google/gnostic-models v0.6.8 h1:yo/ABAfM5IMRsS1VnXjTBvUb61tFIHozhlYvRgGre9I=
|
||||||
|
github.com/google/gnostic-models v0.6.8/go.mod h1:5n7qKqH0f5wFt+aWF8CW6pZLLNOfYuF5OpfBSENuI8U=
|
||||||
|
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
|
||||||
|
github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
|
||||||
|
github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
|
||||||
|
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
|
||||||
|
github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
|
||||||
|
github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
|
||||||
|
github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 h1:K6RDEckDVWvDI9JAJYCmNdQXq6neHJOYx3V6jnqNEec=
|
||||||
|
github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
|
||||||
|
github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
|
||||||
|
github.com/imdario/mergo v0.3.6 h1:xTNEAn+kxVO7dTZGu0CegyqKZmoWFI0rF8UxjlB2d28=
|
||||||
|
github.com/imdario/mergo v0.3.6/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
|
||||||
|
github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
|
||||||
|
github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
|
||||||
|
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
|
||||||
|
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
|
||||||
|
github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
|
||||||
|
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
|
||||||
|
github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
|
||||||
|
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
|
||||||
|
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
|
||||||
|
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
|
||||||
|
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
|
||||||
|
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
|
||||||
|
github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
|
||||||
|
github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
|
||||||
github.com/martinlindhe/base36 v1.0.0/go.mod h1:+AtEs8xrBpCeYgSLoY/aJ6Wf37jtBuR0s35750M27+8=
|
github.com/martinlindhe/base36 v1.0.0/go.mod h1:+AtEs8xrBpCeYgSLoY/aJ6Wf37jtBuR0s35750M27+8=
|
||||||
|
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||||
|
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
|
||||||
|
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||||
|
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
|
||||||
|
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
|
||||||
|
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
|
||||||
|
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
|
||||||
|
github.com/onsi/ginkgo/v2 v2.9.4 h1:xR7vG4IXt5RWx6FfIjyAtsoMAtnc3C/rFXBBd2AjZwE=
|
||||||
|
github.com/onsi/gomega v1.27.6 h1:ENqfyGeS5AX/rlXDd/ETokDz93u0YufY1Pgxuy/PvWE=
|
||||||
|
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
|
||||||
|
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||||
|
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||||
|
github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
|
||||||
|
github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
|
||||||
|
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
|
||||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||||
|
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
|
||||||
|
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
|
||||||
|
github.com/stretchr/readcaster v0.0.0-20140428013627-9c14a60f85dc h1:Wf5kc1t8U/5js/4iB1jsmHwgn1xuCweQVH7P62RAriE=
|
||||||
|
github.com/stretchr/readcaster v0.0.0-20140428013627-9c14a60f85dc/go.mod h1:rYtbMROG2CU051Mt3UBUEESYLe0vS1K+Oj2MzBk0V6Q=
|
||||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||||
|
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||||
|
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
|
||||||
|
github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
|
||||||
|
github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
|
||||||
|
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
|
||||||
|
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
|
||||||
go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
|
go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
|
||||||
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
|
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
|
||||||
|
go.uber.org/goleak v1.1.11 h1:wy28qYRKZgnJTxGxvye5/wgWr1EKjmUDGYox5mGlRlI=
|
||||||
go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
|
go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
|
||||||
go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
|
go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
|
||||||
go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
|
go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
|
||||||
go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
|
go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
|
||||||
|
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||||
|
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
|
||||||
|
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
|
||||||
|
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
|
||||||
|
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
|
||||||
|
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
|
||||||
|
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
|
||||||
|
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||||
|
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||||
|
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
|
||||||
|
golang.org/x/net v0.15.0 h1:ugBLEUaxABaB5AJqW9enI0ACdci2RUd4eP51NTBvuJ8=
|
||||||
|
golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
|
||||||
|
golang.org/x/oauth2 v0.8.0 h1:6dkIjl3j3LtZ/O3sTgZTMsLKSftL/B8Zgq4huOIIUu8=
|
||||||
|
golang.org/x/oauth2 v0.8.0/go.mod h1:yr7u4HXZRm1R1kBWqr/xKNqewf0plRYoB7sla+BCIXE=
|
||||||
|
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||||
|
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||||
|
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||||
|
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||||
|
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||||
|
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||||
|
golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
|
||||||
|
golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||||
|
golang.org/x/term v0.12.0 h1:/ZfYdc3zq+q02Rv9vGqTeSItdzZTSNDmfTi0mBAuidU=
|
||||||
|
golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
|
||||||
|
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||||
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
|
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
|
||||||
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
|
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
|
||||||
golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
|
|
||||||
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
|
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
|
||||||
|
golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
|
||||||
|
golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
|
||||||
golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
|
golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
|
||||||
golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
|
golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
|
||||||
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
||||||
|
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
|
||||||
|
golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
|
||||||
|
golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
|
||||||
|
golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ=
|
||||||
|
golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
|
||||||
|
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||||
|
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||||
|
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||||
|
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||||
|
google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
|
||||||
|
google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
|
||||||
|
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
|
||||||
|
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
|
||||||
|
google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
|
||||||
|
google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
|
||||||
|
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||||
|
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
|
||||||
|
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
|
||||||
|
gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
|
||||||
|
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
|
||||||
|
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||||
|
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
|
||||||
|
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
|
||||||
|
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||||
|
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
|
||||||
|
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||||
|
k8s.io/api v0.28.2 h1:9mpl5mOb6vXZvqbQmankOfPIGiudghwCoLl1EYfUZbw=
|
||||||
|
k8s.io/api v0.28.2/go.mod h1:RVnJBsjU8tcMq7C3iaRSGMeaKt2TWEUXcpIt/90fjEg=
|
||||||
|
k8s.io/apimachinery v0.28.2 h1:KCOJLrc6gu+wV1BYgwik4AF4vXOlVJPdiqn0yAWWwXQ=
|
||||||
|
k8s.io/apimachinery v0.28.2/go.mod h1:RdzF87y/ngqk9H4z3EL2Rppv5jj95vGS/HaFXrLDApU=
|
||||||
|
k8s.io/client-go v0.28.2 h1:DNoYI1vGq0slMBN/SWKMZMw0Rq+0EQW6/AK4v9+3VeY=
|
||||||
|
k8s.io/client-go v0.28.2/go.mod h1:sMkApowspLuc7omj1FOSUxSoqjr+d5Q0Yc0LOFnYFJY=
|
||||||
|
k8s.io/klog/v2 v2.100.1 h1:7WCHKK6K8fNhTqfBhISHQ97KrnJNFZMcQvKp7gP/tmg=
|
||||||
|
k8s.io/klog/v2 v2.100.1/go.mod h1:y1WjHnz7Dj687irZUWR/WLkLc5N1YHtjLdmgWjndZn0=
|
||||||
|
k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 h1:LyMgNKD2P8Wn1iAwQU5OhxCKlKJy0sHc+PcDwFB24dQ=
|
||||||
|
k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9/go.mod h1:wZK2AVp1uHCp4VamDVgBP2COHZjqD1T68Rf0CM3YjSM=
|
||||||
|
k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 h1:qY1Ad8PODbnymg2pRbkyMT/ylpTrCM8P2RJ0yroCyIk=
|
||||||
|
k8s.io/utils v0.0.0-20230406110748-d93618cff8a2/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
|
||||||
|
sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
|
||||||
|
sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
|
||||||
|
sigs.k8s.io/structured-merge-diff/v4 v4.2.3 h1:PRbqxJClWWYMNV1dhaG4NsibJbArud9kFxnAMREiWFE=
|
||||||
|
sigs.k8s.io/structured-merge-diff/v4 v4.2.3/go.mod h1:qjx8mGObPmV2aSZepjQjbmb2ihdVs8cGKBraizNC69E=
|
||||||
|
sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
|
||||||
|
sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=
|
||||||
|
|
|
||||||
165
pkg/tls/tls.go
Normal file
165
pkg/tls/tls.go
Normal file
|
|
@ -0,0 +1,165 @@
|
||||||
|
package tls
|
||||||
|
|
||||||
|
import (
|
||||||
|
"context"
|
||||||
|
"crypto/tls"
|
||||||
|
"encoding/base64"
|
||||||
|
"time"
|
||||||
|
|
||||||
|
"github.com/pkg/errors"
|
||||||
|
"go.uber.org/zap"
|
||||||
|
corev1 "k8s.io/api/core/v1"
|
||||||
|
"k8s.io/client-go/informers"
|
||||||
|
v1 "k8s.io/client-go/informers/core/v1"
|
||||||
|
"k8s.io/client-go/kubernetes"
|
||||||
|
"k8s.io/client-go/tools/cache"
|
||||||
|
"k8s.io/client-go/tools/clientcmd"
|
||||||
|
)
|
||||||
|
|
||||||
|
type CertManager struct {
|
||||||
|
cert *tls.Certificate
|
||||||
|
|
||||||
|
informer v1.SecretInformer
|
||||||
|
|
||||||
|
Log *zap.Logger
|
||||||
|
|
||||||
|
secretName string
|
||||||
|
secretNamespace string
|
||||||
|
}
|
||||||
|
|
||||||
|
func NewCertManager(name, namespace string) (*CertManager, error) {
|
||||||
|
if name == "" || namespace == "" {
|
||||||
|
return nil, errors.New("name and namespace are required")
|
||||||
|
}
|
||||||
|
|
||||||
|
cm := &CertManager{
|
||||||
|
secretName: name,
|
||||||
|
secretNamespace: namespace,
|
||||||
|
}
|
||||||
|
|
||||||
|
kc, err := getKubernetesClient()
|
||||||
|
if err != nil {
|
||||||
|
return nil, errors.Wrap(err, "failed to get kubernetes client")
|
||||||
|
}
|
||||||
|
|
||||||
|
informerFactory := informers.NewSharedInformerFactory(kc, 10*time.Minute)
|
||||||
|
|
||||||
|
cm.informer = informerFactory.Core().V1().Secrets()
|
||||||
|
|
||||||
|
if _, err = cm.informer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
|
||||||
|
AddFunc: cm.addSecretHandler,
|
||||||
|
UpdateFunc: cm.updateSecretHandler,
|
||||||
|
DeleteFunc: cm.deleteSecretHandler,
|
||||||
|
}); err != nil {
|
||||||
|
return nil, errors.Wrap(err, "failed to register event handlers with informer")
|
||||||
|
}
|
||||||
|
|
||||||
|
return cm, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (cm *CertManager) Get(_ *tls.ClientHelloInfo) (*tls.Certificate, error) {
|
||||||
|
if cm.cert == nil {
|
||||||
|
return nil, errors.New("no certificate")
|
||||||
|
}
|
||||||
|
|
||||||
|
return cm.cert, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (cm *CertManager) Watch(ctx context.Context, log *zap.Logger) error {
|
||||||
|
cm.Log = log
|
||||||
|
|
||||||
|
if cm.informer == nil {
|
||||||
|
return errors.New("no informer in CertManager")
|
||||||
|
}
|
||||||
|
|
||||||
|
cm.informer.Informer().Run(ctx.Done())
|
||||||
|
|
||||||
|
return errors.New("watcher exited")
|
||||||
|
}
|
||||||
|
|
||||||
|
func (cm *CertManager) addSecretHandler(obj any) {
|
||||||
|
secret, ok := obj.(corev1.Secret)
|
||||||
|
if !ok {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
if secret.Namespace != cm.secretNamespace ||
|
||||||
|
secret.Name != cm.secretName {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
cert, err := CertFromSecret(&secret)
|
||||||
|
if err != nil {
|
||||||
|
cm.Log.Error("failed to parse secret as TLS certificate", zap.Error(err))
|
||||||
|
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
cm.cert = &cert
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
func (cm *CertManager) updateSecretHandler(oldObj, newObj any) {
|
||||||
|
oldCertSecret, ok := oldObj.(corev1.Secret)
|
||||||
|
if !ok {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
if oldCertSecret.Namespace != cm.secretNamespace ||
|
||||||
|
oldCertSecret.Name != cm.secretName {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
newCertSecret, ok := newObj.(corev1.Secret)
|
||||||
|
if !ok {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
if newCertSecret.Name != oldCertSecret.Name {
|
||||||
|
cm.secretName = newCertSecret.Name
|
||||||
|
}
|
||||||
|
|
||||||
|
newCertificate, err := CertFromSecret(&newCertSecret)
|
||||||
|
if err != nil {
|
||||||
|
cm.Log.Error("failed to parse secret as a TLS certificate", zap.Error(err))
|
||||||
|
}
|
||||||
|
|
||||||
|
cm.cert = &newCertificate
|
||||||
|
}
|
||||||
|
|
||||||
|
func (cm *CertManager) deleteSecretHandler(obj any) {
|
||||||
|
secret, ok := obj.(corev1.Secret)
|
||||||
|
if !ok {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
if secret.Namespace != cm.secretNamespace ||
|
||||||
|
secret.Name != cm.secretName {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
cm.cert = nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func getKubernetesClient() (*kubernetes.Clientset, error) {
|
||||||
|
kubeConfig, err := clientcmd.BuildConfigFromFlags("", "")
|
||||||
|
if err != nil {
|
||||||
|
return nil, errors.Wrap(err, "failed to generate Kubernetes config")
|
||||||
|
}
|
||||||
|
|
||||||
|
return kubernetes.NewForConfig(kubeConfig)
|
||||||
|
}
|
||||||
|
|
||||||
|
func CertFromSecret(secret *corev1.Secret) (cert tls.Certificate, err error) {
|
||||||
|
var pubCert, key []byte
|
||||||
|
|
||||||
|
if _, err := base64.StdEncoding.Decode(pubCert, secret.Data["tls.crt"]); err != nil {
|
||||||
|
return cert, errors.Wrap(err, "failed to decode public certificate")
|
||||||
|
}
|
||||||
|
|
||||||
|
if _, err := base64.StdEncoding.Decode(key, secret.Data["tls.key"]); err != nil {
|
||||||
|
return cert, errors.Wrap(err, "failed to decode private key")
|
||||||
|
}
|
||||||
|
|
||||||
|
return tls.X509KeyPair(pubCert, key)
|
||||||
|
}
|
||||||
108
server/server.go
108
server/server.go
|
|
@ -1,21 +1,28 @@
|
||||||
package server
|
package server
|
||||||
|
|
||||||
import (
|
import (
|
||||||
|
"bytes"
|
||||||
"context"
|
"context"
|
||||||
|
"errors"
|
||||||
"fmt"
|
"fmt"
|
||||||
"io"
|
"io"
|
||||||
|
"net"
|
||||||
"strings"
|
"strings"
|
||||||
|
"sync"
|
||||||
"time"
|
"time"
|
||||||
|
|
||||||
"github.com/emersion/go-message/mail"
|
"github.com/emersion/go-message/mail"
|
||||||
"github.com/emersion/go-milter"
|
"github.com/emersion/go-milter"
|
||||||
"github.com/emersion/go-smtp"
|
"github.com/emersion/go-smtp"
|
||||||
|
"github.com/stretchr/readcaster"
|
||||||
"go.uber.org/zap"
|
"go.uber.org/zap"
|
||||||
"golang.org/x/time/rate"
|
"golang.org/x/time/rate"
|
||||||
)
|
)
|
||||||
|
|
||||||
const ConnectionTimeout = 3 * time.Minute
|
const ConnectionTimeout = 3 * time.Minute
|
||||||
|
|
||||||
|
const defaultLMTPTimeout = 30 * time.Second
|
||||||
|
|
||||||
// ErrRateLimit indicates that the message is rejected due to a rate limit.
|
// ErrRateLimit indicates that the message is rejected due to a rate limit.
|
||||||
var ErrRateLimit = &smtp.SMTPError{
|
var ErrRateLimit = &smtp.SMTPError{
|
||||||
Code: 450,
|
Code: 450,
|
||||||
|
|
@ -34,6 +41,8 @@ var ErrBadGateway = &smtp.SMTPError{
|
||||||
type Backend struct {
|
type Backend struct {
|
||||||
AllowedDomains []string
|
AllowedDomains []string
|
||||||
|
|
||||||
|
LMTPAddress string
|
||||||
|
|
||||||
Log *zap.Logger
|
Log *zap.Logger
|
||||||
|
|
||||||
RootContext context.Context
|
RootContext context.Context
|
||||||
|
|
@ -69,16 +78,24 @@ type Session struct {
|
||||||
b *Backend
|
b *Backend
|
||||||
conn *smtp.Conn
|
conn *smtp.Conn
|
||||||
rspam *milter.ClientSession
|
rspam *milter.ClientSession
|
||||||
|
|
||||||
|
to []string
|
||||||
|
from string
|
||||||
}
|
}
|
||||||
|
|
||||||
// Discard currently processed message.
|
// Discard currently processed message.
|
||||||
func (session *Session) Reset() {
|
func (session *Session) Reset() {
|
||||||
panic("not implemented") // TODO: Implement
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// Free all resources associated with session.
|
// Free all resources associated with session.
|
||||||
func (session *Session) Logout() error {
|
func (session *Session) Logout() error {
|
||||||
panic("not implemented") // TODO: Implement
|
if session.rspam != nil {
|
||||||
|
if err := session.rspam.Close(); err != nil {
|
||||||
|
session.b.Log.Error("failed to close rspam session", zap.Error(err))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
// Authenticate the user using SASL PLAIN.
|
// Authenticate the user using SASL PLAIN.
|
||||||
|
|
@ -93,7 +110,13 @@ func (session *Session) Mail(from string, opts *smtp.MailOptions) error {
|
||||||
return fmt.Errorf("filter failure: %w", err)
|
return fmt.Errorf("filter failure: %w", err)
|
||||||
}
|
}
|
||||||
|
|
||||||
return parseAction(action)
|
if err := parseAction(action); err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
session.from = from
|
||||||
|
|
||||||
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
// Add recipient for currently processed message.
|
// Add recipient for currently processed message.
|
||||||
|
|
@ -111,20 +134,89 @@ func (session *Session) Rcpt(to string) error {
|
||||||
return fmt.Errorf("filter failure: %w", err)
|
return fmt.Errorf("filter failure: %w", err)
|
||||||
}
|
}
|
||||||
|
|
||||||
return parseAction(action)
|
if err := parseAction(action); err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
session.to = append(session.to, to)
|
||||||
|
|
||||||
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
// Set currently processed message contents and send it.
|
// Set currently processed message contents and send it.
|
||||||
//
|
//
|
||||||
// r must be consumed before Data returns.
|
// r must be consumed before Data returns.
|
||||||
func (session *Session) Data(r io.Reader) error {
|
func (session *Session) Data(r io.Reader) error {
|
||||||
// TODO: handle the modifyAction below, whatever it is.
|
log := session.b.Log.With(
|
||||||
_, action, err := session.rspam.BodyReadFrom(r)
|
zap.String("from", session.from),
|
||||||
|
zap.Strings("to", session.to),
|
||||||
|
)
|
||||||
|
|
||||||
|
caster := readcaster.New(r)
|
||||||
|
|
||||||
|
wg := new(sync.WaitGroup)
|
||||||
|
|
||||||
|
msg := new(bytes.Buffer)
|
||||||
|
|
||||||
|
wg.Add(1)
|
||||||
|
go func() {
|
||||||
|
defer wg.Done()
|
||||||
|
|
||||||
|
n, err := msg.ReadFrom(caster.NewReader())
|
||||||
|
if err != nil {
|
||||||
|
log.Error("failed to read message data into message", zap.Error(err))
|
||||||
|
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
if n == 0 {
|
||||||
|
log.Warn("received empty message")
|
||||||
|
}
|
||||||
|
}()
|
||||||
|
|
||||||
|
_, action, err := session.rspam.BodyReadFrom(caster.NewReader())
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return fmt.Errorf("filter failure: %w", err)
|
return fmt.Errorf("filter failure: %w", err)
|
||||||
}
|
}
|
||||||
|
|
||||||
return parseAction(action)
|
if err := parseAction(action); err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
log.Debug("message accepted for delivery")
|
||||||
|
|
||||||
|
// ensure the message has been received to msg
|
||||||
|
wg.Wait()
|
||||||
|
|
||||||
|
// Forward to LMTP destination
|
||||||
|
conn, err := net.DialTimeout("tcp", session.b.LMTPAddress, defaultLMTPTimeout)
|
||||||
|
if err != nil {
|
||||||
|
log.Error("failed to dial LMTP server",
|
||||||
|
zap.String("lmtp", session.b.LMTPAddress),
|
||||||
|
zap.Error(err),
|
||||||
|
)
|
||||||
|
|
||||||
|
return errors.New("failed to forward message")
|
||||||
|
}
|
||||||
|
|
||||||
|
host, _, _ := net.SplitHostPort(session.b.LMTPAddress)
|
||||||
|
|
||||||
|
lc, err := smtp.NewClientLMTP(conn, host)
|
||||||
|
if err != nil {
|
||||||
|
log.Error("failed to construct LMTP client", zap.Error(err))
|
||||||
|
|
||||||
|
return errors.New("failed to forward message")
|
||||||
|
}
|
||||||
|
|
||||||
|
if err := lc.SendMail(session.from, session.to, msg); err != nil {
|
||||||
|
session.b.Log.Error("failed to forward message to LMTP server", zap.Error(err))
|
||||||
|
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
session.b.Log.Debug("message forwarded to LMTP server")
|
||||||
|
|
||||||
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
func (session *Session) validateDomain(to string) error {
|
func (session *Session) validateDomain(to string) error {
|
||||||
|
|
@ -139,7 +231,7 @@ func (session *Session) validateDomain(to string) error {
|
||||||
}
|
}
|
||||||
|
|
||||||
for _, d := range session.b.AllowedDomains {
|
for _, d := range session.b.AllowedDomains {
|
||||||
if strings.Contains(pieces[2], d) {
|
if pieces[2] == d {
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue