Fix docker build recipe

.dockerignore

@@ -5,4 +5,5 @@
 /bin
 /misc/docker/Dockerfile
 /.env
-/.env.dist
+/.env.dist
+/tools

.gitignore

@@ -3,4 +3,5 @@
 /vendor
 /bin
 /node_modules
-/.env
+/.env
+/tools

.nvmrc

@@ -0,0 +1 @@
+v14.16.0

Makefile

@@ -1,3 +1,15 @@
+DOCKER_DATE_TAG := $(shell date --utc +%Y.%-m.%-d%-H%-M)
+
+YQ_VERSION ?= v4.30.4
+YQ_BINARY ?= yq_linux_amd64
+
+tools: tools/yq/bin/yq
+
+tools/yq/bin/yq:
+	mkdir -p tools/yq/bin
+	wget https://github.com/mikefarah/yq/releases/download/${YQ_VERSION}/${YQ_BINARY} -O tools/yq/bin/yq &&\
+    chmod +x tools/yq/bin/yq
+
 build:
 	CGO_ENABLED=0 go build -v -o bin/fake-smtp ./cmd/fake-smtp
 
@@ -21,13 +33,15 @@ docker-run:
 
 docker-release:
 	docker tag fake-smtp:latest bornholm/fake-smtp:latest
+	docker tag fake-smtp:latest bornholm/fake-smtp:$(DOCKER_DATE_TAG)
 	docker login
 	docker push bornholm/fake-smtp:latest
+	docker push bornholm/fake-smtp:$(DOCKER_DATE_TAG)
 
 test:
 	go test -v -race ./...
 
-release: dist
+release: dist tools
 	@./misc/script/release.sh
 
 dist:

README.md

@@ -55,6 +55,18 @@ smtp:
 # Configuration du stockage
 data:
   path: fakesmtp.db
+
+# Configuration du relais SMTP
+relay:
+  enabled: false                      # Activer/désactiver le relais SMTP
+  address: ""                         # Adresse du serveur au format "host:port"
+  identity: ""                        # Identité du compte utilisateur, peut être laissé vide
+  username: ""                        # Identifiant du compte SMTP, non utilisé sur anonymous = true
+  password: ""                        # Mot de passe du compte SMTP, non utilisé sur anonymous = true
+  anonymous: false                    # Utiliser le mode d'authentification "anonyme"        
+  useTLS: false                       # Utiliser TLS pour se connecter au serveur SMTP
+  insecureSkipVerify: true            # Ne pas vérifier le certificat du serveur pour les connexions TLS/STARTTLS
+  fromOverride: ""                    # Surcharger l'adresse émetteur des courriels transmis
 ```
 
 ### Variables d'environnement
@@ -79,6 +91,14 @@ Les valeurs des variables d'environnement surchargent les valeurs présentes dan
 |`FAKESMTP_SMTP_ALLOWINSECUREAUTH`|`smtp.allowInsecureAuth`|
 |`FAKESMTP_SMTP_DEBUG`|`smtp.debug`|
 |`FAKESMTP_DATA_PATH`|`data.path`|
+|`FAKESMTP_RELAY_ENABLED`|`relay.enabled`|
+|`FAKESMTP_RELAY_ADDRESS`|`relay.address`|
+|`FAKESMTP_RELAY_IDENTITY`|`relay.identity`|
+|`FAKESMTP_RELAY_USERNAME`|`relay.username`|
+|`FAKESMTP_RELAY_PASSWORD`|`relay.password`|
+|`FAKESMTP_RELAY_ANONYMOUS`|`relay.anonymous`|
+|`FAKESMTP_RELAY_INSECURE_SKIP_VERIFY`|`relay.insecureSkipVerify`|
+|`FAKESMTP_RELAY_FROM_OVERRIDE`|`relay.fromOverride`|
 
 ## Démarrer avec les sources
 

cmd/fake-smtp/container.go

@@ -53,6 +53,11 @@ func getServiceContainer(conf *config.Config) (*service.Container, error) {
 		cqrs.CommandHandlerFunc(command.HandleDeleteEmail),
 	)
 
+	bus.RegisterCommand(
+		cqrs.MatchCommandRequest(&command.RelayEmailRequest{}),
+		cqrs.CommandHandlerFunc(command.HandleRelayEmail),
+	)
+
 	bus.RegisterQuery(
 		cqrs.MatchQueryRequest(&query.GetInboxRequest{}),
 		cqrs.QueryHandlerFunc(query.HandleGetInbox),

cmd/fake-smtp/smtp.go

@@ -12,6 +12,7 @@ import (
 	"github.com/jhillyerd/enmime"
 	"github.com/pkg/errors"
 	"gitlab.com/wpetit/goweb/cqrs"
+	"gitlab.com/wpetit/goweb/logger"
 	"gitlab.com/wpetit/goweb/middleware/container"
 	"gitlab.com/wpetit/goweb/service"
 )
@@ -74,12 +75,31 @@ func (s *Session) Data(r io.Reader) error {
 		return errors.Wrap(err, "could not retrieve cqrs service")
 	}
 
+	conf, err := config.From(s.ctn)
+	if err != nil {
+		return errors.Wrap(err, "could not retrieve config service")
+	}
+
+	if conf.Relay.Enabled {
+		cmd := &command.RelayEmailRequest{
+			Envelope: env,
+		}
+
+		if _, err := bus.Exec(s.ctx, cmd); err != nil {
+			logger.Error(s.ctx, "could not exec command", logger.E(err))
+
+			return errors.Wrapf(err, "could not exec '%T' command", cmd)
+		}
+	}
+
 	cmd := &command.StoreEmailRequest{
 		Envelope: env,
 	}
 
 	if _, err := bus.Exec(s.ctx, cmd); err != nil {
-		return errors.Wrap(err, "could not exec command")
+		logger.Error(s.ctx, "could not exec command", logger.E(err))
+
+		return errors.Wrapf(err, "could not exec '%T' command", cmd)
 	}
 
 	return nil

cmd/fake-smtp/template/blocks/base.html.tmpl

@@ -6,10 +6,10 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>{{block "title" . -}}{{- end}}</title>
     {{- block "head_style" . -}}
-    <link rel="stylesheet" href="/css/main.css" />
+    <link rel="stylesheet" href="{{ .BaseURL }}/css/main.css" />
     {{end}}
     {{- block "head_script" . -}}
-      <script type="text/javascript" src="/main.js"></script>
+      <script type="text/javascript" src="{{ .BaseURL }}/main.js"></script>
     {{end}}
   </head>
   <body>

cmd/fake-smtp/template/blocks/header.html.tmpl

@@ -2,7 +2,7 @@
 <div class="columns is-mobile">
   <div class="column is-narrow">
     <h1 class="is-size-3 title">
-      <a href="/" rel="Inbox" class="has-text-grey-dark">
+      <a href="{{ .BaseURL }}/" rel="Inbox" class="has-text-grey-dark">
       {{if or .Emails .Email}}
         📬
       {{else}}

cmd/fake-smtp/template/layouts/email.html.tmpl

@@ -2,9 +2,9 @@
 {{define "header_buttons"}}
   <button class="button is-danger"
     data-controller="restful" 
-    data-restful-endpoint="./{{ .Email.ID }}"
+    data-restful-endpoint="{{ .BaseURL }}/emails/{{ .Email.ID }}"
     data-restful-method="DELETE"
-    data-restful-redirect="../">
+    data-restful-redirect="{{ .BaseURL }}/">
     🗑️ Delete
   </button>
 {{end}}
@@ -24,8 +24,9 @@
               <h4 class="title is-size-4">Attachments ({{len  .Email.Attachments}})</h4>
               <ul>
                 {{ $email := .Email }}
+                {{ $baseURL := .BaseURL }}
                 {{range $i, $a := .Email.Attachments}}
-                <li><a href="{{ $email.ID }}/attachments/{{ $i }}" download="{{ $a.Name }}">{{ $a.Name }}</a></li>
+                <li><a href="{{ $baseURL }}/emails/{{ $email.ID }}/attachments/{{ $i }}" download="{{ $a.Name }}">{{ $a.Name }}</a></li>
                 {{end}}
               </ul>
             </div>
@@ -44,7 +45,7 @@
               data-controller="iframe"
               data-action="load->iframe#onLoad"
               style="width:100%;{{if not .Email.HTML}}display:none;{{end}}" 
-              src="{{ .Email.ID }}/html">
+              src="{{ .BaseURL }}/emails/{{ .Email.ID }}/html">
             </iframe>
             <div data-target="tabs.tabContent" data-tabs-for="text" style="{{if .Email.HTML}}display:none;{{end}}width:100%;overflow:hidden;">
               <pre style="white-space:pre-line;">{{ .Email.Text }}</pre>

cmd/fake-smtp/template/layouts/inbox.html.tmpl

@@ -2,7 +2,7 @@
 {{define "header_buttons"}}
   <button 
     data-controller="restful" 
-    data-restful-endpoint="/emails"
+    data-restful-endpoint="{{ .BaseURL }}/emails"
     data-restful-method="DELETE"
     class="button is-danger">
     🗑️ Clear
@@ -24,10 +24,11 @@
           </tr>
         </thead>
         <tbody>
+          {{ $baseURL := .BaseURL }}
           {{range .Emails}}
             <tr data-controller="inbox-entry"
               data-action="click->inbox-entry#onClick"
-              data-inbox-entry-link="./emails/{{ .ID }}">
+              data-inbox-entry-link="{{ $baseURL }}/emails/{{ .ID }}">
               <td class="email-subject"><div>{{ .Subject }}</div></td>
               <td class="email-from">
                 {{range .From}}
@@ -44,7 +45,7 @@
               </td>
               <td class="email-actions">
                 <div class="buttons is-right">
-                  <a href="./emails/{{ .ID }}" class="button is-small is-link">👁️ See</a>
+                  <a href="{{ $baseURL }}/emails/{{ .ID }}" class="button is-small is-link">👁️ See</a>
                 </div>
               </td>
             </tr>

go.mod

@@ -5,7 +5,7 @@ go 1.14
 require (
 	github.com/asdine/storm/v3 v3.1.1
 	github.com/caarlos0/env/v6 v6.2.1
-	github.com/emersion/go-sasl v0.0.0-20191210011802-430746ea8b9b // indirect
+	github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21
 	github.com/emersion/go-smtp v0.12.1
 	github.com/go-chi/chi v4.1.1+incompatible
 	github.com/jhillyerd/enmime v0.8.0

go.sum

@@ -51,10 +51,9 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dlclark/regexp2 v1.1.6/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
 github.com/dlclark/regexp2 v1.2.0 h1:8sAhBGEM0dRWogWqWyQeIJnxjWO6oIjl8FKqREDsGfk=
 github.com/dlclark/regexp2 v1.2.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
-github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e h1:ba7YsgX5OV8FjGi5ZWml8Jng6oBrJAb3ahqWMJ5Ce8Q=
 github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=
-github.com/emersion/go-sasl v0.0.0-20191210011802-430746ea8b9b h1:uhWtEWBHgop1rqEk2klKaxPAkVDCXexai6hSuRQ7Nvs=
+github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21 h1:OJyUGMJTzHTd1XQp98QTaHernxMYzRaOasRir9hUlFQ=
-github.com/emersion/go-sasl v0.0.0-20191210011802-430746ea8b9b/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=
+github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21/go.mod h1:iL2twTeMvZnrg54ZoPDNfJaJaqy0xIQFuBdrLsmspwQ=
 github.com/emersion/go-smtp v0.12.1 h1:1R8BDqrR2HhlGwgFYcOi+BVTvK1bMjAB65QcVpJ5sNA=
 github.com/emersion/go-smtp v0.12.1/go.mod h1:SD9V/xa4ndMw77lR3Mf7htkp8RBNYuPh9UeuBs9tpUQ=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
@@ -104,9 +103,7 @@ github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5m
 github.com/gorilla/csrf v1.6.0/go.mod h1:7tSf8kmjNYr7IWDCYhd3U8Ck34iQ/Yw5CJu7bAkHEGI=
 github.com/gorilla/handlers v1.4.1/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
 github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
-github.com/gorilla/securecookie v1.1.1 h1:miw7JPhV+b/lAHSXz4qd/nN9jRiAFV5FwjeKyCS8BvQ=
 github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4=
-github.com/gorilla/sessions v1.2.0 h1:S7P+1Hm5V/AT9cjEcUD5uDaQSX0OE577aCXgoaKpYbQ=
 github.com/gorilla/sessions v1.2.0/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
@@ -159,7 +156,6 @@ github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf/go.mod h1:RJID2RhlZKId02n
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
@@ -211,7 +207,6 @@ golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191105084925-a882066a44e0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553 h1:efeOvDhwQ29Dj3SdAV/MJf8oukgn+8D8WgaCaRMchF8=
 golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e h1:3G+cUijn7XD+S4eJFddp53Pv7+slrESplyjG25HgL+k=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
@@ -235,7 +230,6 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191210023423-ac6580df4449/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5 h1:LfCXLvNmTYH9kEmVgqbnsWfruoXZIrh4YBgqVHtDvw0=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -293,7 +287,6 @@ google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.25.1 h1:wdKvqQk7IttEw92GoRyKG2IDrUIpgpj6H6m81yfeMW0=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

internal/command/relay_email.go

@@ -0,0 +1,164 @@
+package command
+
+import (
+	"context"
+	"crypto/tls"
+	"io"
+	"sync"
+
+	"github.com/emersion/go-sasl"
+
+	"github.com/emersion/go-smtp"
+
+	"forge.cadoles.com/wpetit/fake-smtp/internal/config"
+	"github.com/jhillyerd/enmime"
+	"github.com/pkg/errors"
+	"gitlab.com/wpetit/goweb/cqrs"
+	"gitlab.com/wpetit/goweb/middleware/container"
+)
+
+type RelayEmailRequest struct {
+	Envelope *enmime.Envelope
+}
+
+func HandleRelayEmail(ctx context.Context, cmd cqrs.Command) error {
+	req, ok := cmd.Request().(*RelayEmailRequest)
+	if !ok {
+		return cqrs.ErrUnexpectedRequest
+	}
+
+	ctn, err := container.From(ctx)
+	if err != nil {
+		return errors.Wrap(err, "could not retrieve service container")
+	}
+
+	conf, err := config.From(ctn)
+	if err != nil {
+		return errors.Wrap(err, "could not retrieve config service")
+	}
+
+	relay := conf.Relay
+
+	if err := forwardMail(req.Envelope, relay); err != nil {
+		return errors.Wrap(err, "could not forward mail")
+	}
+
+	return nil
+}
+
+func forwardMail(env *enmime.Envelope, conf config.RelayConfig) error {
+	var tlsConfig *tls.Config
+
+	if conf.InsecureSkipVerify {
+		tlsConfig = &tls.Config{
+			// nolint: gosec
+			InsecureSkipVerify: true,
+		}
+	}
+
+	addr := conf.Address
+
+	var (
+		client *smtp.Client
+		err    error
+	)
+
+	if conf.UseTLS {
+		client, err = smtp.DialTLS(addr, tlsConfig)
+		if err != nil {
+			return errors.WithStack(err)
+		}
+	} else {
+		client, err = smtp.Dial(addr)
+		if err != nil {
+			return errors.WithStack(err)
+		}
+	}
+	defer client.Close()
+
+	if err = client.Hello("localhost"); err != nil {
+		return errors.WithStack(err)
+	}
+
+	if ok, _ := client.Extension("STARTTLS"); ok {
+		if err = client.StartTLS(tlsConfig); err != nil {
+			return errors.WithStack(err)
+		}
+	}
+
+	if conf.Username != "" || conf.Password != "" {
+		if ok, _ := client.Extension("AUTH"); ok {
+			var auth sasl.Client
+			if conf.Anonymous {
+				auth = sasl.NewAnonymousClient("fakesmtp")
+			} else {
+				auth = sasl.NewPlainClient(conf.Identity, conf.Username, conf.Password)
+			}
+
+			if err := client.Auth(auth); err != nil {
+				return errors.WithStack(err)
+			}
+		}
+	}
+
+	var from string
+
+	if conf.FromOverride != "" {
+		from = conf.FromOverride
+	} else {
+		from = env.GetHeader("From")
+	}
+
+	if err = client.Mail(from, nil); err != nil {
+		return errors.WithStack(err)
+	}
+
+	to := env.GetHeaderValues("To")
+
+	for _, addr := range to {
+		if err = client.Rcpt(addr); err != nil {
+			return errors.WithStack(err)
+		}
+	}
+
+	w, err := client.Data()
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	pr, pw := io.Pipe()
+
+	var wg sync.WaitGroup
+
+	wg.Add(1)
+
+	go func() {
+		defer wg.Done()
+		defer pw.Close()
+
+		if err = env.Root.Encode(pw); err != nil {
+			err = errors.WithStack(err)
+		}
+	}()
+
+	_, err = io.Copy(w, pr)
+	if err != nil {
+		return err
+	}
+
+	wg.Wait()
+
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	if err = w.Close(); err != nil {
+		return err
+	}
+
+	if err := client.Quit(); err != nil {
+		return errors.WithStack(err)
+	}
+
+	return nil
+}

internal/config/config.go

@@ -12,15 +12,17 @@ import (
 )
 
 type Config struct {
-	HTTP HTTPConfig `yaml:"http"`
+	HTTP  HTTPConfig  `yaml:"http"`
-	SMTP SMTPConfig `yaml:"smtp"`
+	SMTP  SMTPConfig  `yaml:"smtp"`
-	Data DataConfig `ymal:"data"`
+	Data  DataConfig  `yaml:"data"`
+	Relay RelayConfig `yaml:"relay"`
 }
 
 type HTTPConfig struct {
 	Address     string `yaml:"address" env:"FAKESMTP_HTTP_ADDRESS"`
 	TemplateDir string `yaml:"templateDir" env:"FAKESMTP_HTTP_TEMPLATEDIR"`
 	PublicDir   string `yaml:"publicDir" env:"FAKESMTP_HTTP_PUBLICDIR"`
+	BaseURL     string `yaml:"baseUrl" env:"FAKESMTP_HTTP_BASEURL"`
 }
 
 type SMTPConfig struct {
@@ -36,6 +38,18 @@ type SMTPConfig struct {
 	Debug             bool          `yaml:"debug" env:"FAKESMTP_SMTP_DEBUG"`
 }
 
+type RelayConfig struct {
+	Enabled            bool   `yaml:"enabled" env:"FAKESMTP_RELAY_ENABLED"`
+	Address            string `yaml:"address" env:"FAKESMTP_RELAY_ADDRESS"`
+	Identity           string `yaml:"identity" env:"FAKESMTP_RELAY_IDENTITY"`
+	Username           string `yaml:"username" env:"FAKESMTP_RELAY_USERNAME"`
+	Password           string `yaml:"password" env:"FAKESMTP_RELAY_PASSWORD"`
+	Anonymous          bool   `yaml:"anonymous" env:"FAKESMTP_RELAY_ANONYMOUS"`
+	UseTLS             bool   `yaml:"useTLS" env:"FAKESMTP_RELAY_USE_TLS"`
+	InsecureSkipVerify bool   `yaml:"insecureSkipVerify" env:"FAKESMTP_RELAY_INSECURE_SKIP_VERIFY"`
+	FromOverride       string `yaml:"fromOverride" env:"FAKESMTP_RELAY_FROM_OVERRIDE"`
+}
+
 type DataConfig struct {
 	Path string `yaml:"path" env:"FAKESMTP_DATA_PATH"`
 }
@@ -91,6 +105,9 @@ func NewDefault() *Config {
 		Data: DataConfig{
 			Path: "fakesmtp.db",
 		},
+		Relay: RelayConfig{
+			Enabled: false,
+		},
 	}
 }
 

internal/query/filter_emails_test.go

@@ -0,0 +1,195 @@
+package query
+
+import (
+	"net/mail"
+	"testing"
+	"time"
+
+	"forge.cadoles.com/wpetit/fake-smtp/internal/model"
+	"github.com/pkg/errors"
+)
+
+type emailMatcherTestCase struct {
+	Name    string
+	Search  *InboxSearch
+	Email   *model.Email
+	Matcher emailMatcherFunc
+	Expect  bool
+}
+
+func TestEmailMatcher(t *testing.T) {
+	t.Parallel()
+
+	johnDoeAddr, err := mail.ParseAddress("john.doe@test.local")
+	if err != nil {
+		t.Fatal(errors.WithStack(err))
+	}
+
+	adaLovelaceAddr, err := mail.ParseAddress("ada.lovelace@test.local")
+	if err != nil {
+		t.Fatal(errors.WithStack(err))
+	}
+
+	now := time.Now()
+
+	testCases := []emailMatcherTestCase{
+		{
+			Name: "Simple matching header",
+			Email: &model.Email{
+				Headers: map[string][]string{
+					"X-Swift-To": {johnDoeAddr.Address},
+				},
+			},
+			Search: &InboxSearch{
+				Headers: map[string]string{
+					"X-Swift-To": johnDoeAddr.Address,
+				},
+			},
+			Matcher: matchHeaders,
+			Expect:  true,
+		},
+		{
+			Name: "Multiple matching header",
+			Email: &model.Email{
+				Headers: map[string][]string{
+					"X-Swift-To":   {johnDoeAddr.Address},
+					"Content-Type": {"multipart/alternative; boundary=\"_=_swift_1645181013_7b80ab8ab386ba4fcaff4f6f79593adb_=_\""},
+				},
+			},
+			Search: &InboxSearch{
+				Headers: map[string]string{
+					"X-Swift-To":   johnDoeAddr.Address,
+					"Content-Type": "multipart/alternative",
+				},
+			},
+			Matcher: matchHeaders,
+			Expect:  true,
+		},
+		{
+			Name: "Simple non matching header",
+			Email: &model.Email{
+				Headers: map[string][]string{
+					"X-Swift-To": {johnDoeAddr.Address},
+				},
+			},
+			Search: &InboxSearch{
+				Headers: map[string]string{
+					"X-Swift-To": adaLovelaceAddr.Address,
+				},
+			},
+			Matcher: matchHeaders,
+			Expect:  false,
+		},
+		{
+			Name: "Multiple non matching headers",
+			Email: &model.Email{
+				Headers: map[string][]string{
+					"X-Swift-To":   {johnDoeAddr.Address},
+					"Content-Type": {"foo/bar"},
+				},
+			},
+			Search: &InboxSearch{
+				Headers: map[string]string{
+					"X-Swift-To":   johnDoeAddr.Address,
+					"Content-Type": "multipart/alternative",
+				},
+			},
+			Matcher: matchHeaders,
+			Expect:  false,
+		},
+		{
+			Name: "Simple to",
+			Email: &model.Email{
+				To: []*mail.Address{johnDoeAddr},
+			},
+			Search: &InboxSearch{
+				To: johnDoeAddr.Address,
+			},
+			Matcher: matchTo,
+			Expect:  true,
+		},
+		{
+			Name: "Simple from",
+			Email: &model.Email{
+				From: []*mail.Address{johnDoeAddr},
+			},
+			Search: &InboxSearch{
+				From: johnDoeAddr.Address,
+			},
+			Matcher: matchFrom,
+			Expect:  true,
+		},
+		{
+			Name: "Simple after",
+			Email: &model.Email{
+				SentAt: now,
+			},
+			Search: &InboxSearch{
+				After: now.Add(-5 * time.Second),
+			},
+			Matcher: matchAfter,
+			Expect:  true,
+		},
+		{
+			Name: "Simple before",
+			Email: &model.Email{
+				SentAt: now,
+			},
+			Search: &InboxSearch{
+				Before: now.Add(5 * time.Second),
+			},
+			Matcher: matchBefore,
+			Expect:  true,
+		},
+		{
+			Name: "Matching composite",
+			Email: &model.Email{
+				SentAt: now,
+				Headers: map[string][]string{
+					"X-Swift-To":   {johnDoeAddr.Address},
+					"Content-Type": {"multipart/alternative; boundary=\"_=_swift_1645181013_7b80ab8ab386ba4fcaff4f6f79593adb_=_\""},
+				},
+			},
+			Search: &InboxSearch{
+				Before: now.Add(5 * time.Second),
+				Headers: map[string]string{
+					"X-Swift-To":   johnDoeAddr.Address,
+					"Content-Type": "multipart/alternative",
+				},
+			},
+			Matcher: and(matchBefore, matchHeaders),
+			Expect:  true,
+		},
+		{
+			Name: "Non matching composite",
+			Email: &model.Email{
+				SentAt: now,
+				Headers: map[string][]string{
+					"X-Swift-To":   {johnDoeAddr.Address},
+					"Content-Type": {"multipart/alternative; boundary=\"_=_swift_1645181013_7b80ab8ab386ba4fcaff4f6f79593adb_=_\""},
+				},
+			},
+			Search: &InboxSearch{
+				Before: now.Add(5 * time.Second),
+				Headers: map[string]string{
+					"X-Swift-To":   adaLovelaceAddr.Address,
+					"Content-Type": "multipart/alternative",
+				},
+			},
+			Matcher: and(matchBefore, matchHeaders),
+			Expect:  false,
+		},
+	}
+
+	for _, tc := range testCases {
+		func(tc emailMatcherTestCase) {
+			t.Run(tc.Name, func(t *testing.T) {
+				t.Parallel()
+
+				if e, g := tc.Expect, tc.Matcher(tc.Email, tc.Search); e != g {
+					t.Errorf("'%s': expected '%v', got '%v'", tc.Name, e, g)
+				}
+			})
+		}(tc)
+	}
+}

internal/query/get_inbox.go

@@ -19,6 +19,7 @@ type InboxSearch struct {
 	From    string
 	Body    string
 	Subject string
+	Headers map[string]string
 	After   time.Time
 	Before  time.Time
 }
@@ -104,55 +105,135 @@ func HandleGetInbox(ctx context.Context, qry cqrs.Query) (interface{}, error) {
 		return &InboxData{emails}, nil
 	}
 
-	filtered := make([]*model.Email, 0, len(emails))
+	filtered := filterEmails(emails, req.Search)
-
-	for _, eml := range emails {
-		match := true
-
-		if req.Search.To != "" {
-			found := false
-
-			for _, addr := range eml.To {
-				if strings.Contains(addr.Name, req.Search.To) || strings.Contains(addr.Address, req.Search.To) {
-					found = true
-
-					break
-				}
-			}
-
-			if !found {
-				match = false
-			}
-		}
-
-		if req.Search.From != "" {
-			found := false
-
-			for _, addr := range eml.From {
-				if strings.Contains(addr.Name, req.Search.From) || strings.Contains(addr.Address, req.Search.From) {
-					found = true
-
-					break
-				}
-			}
-
-			if !found {
-				match = false
-			}
-		}
-
-		if !req.Search.After.IsZero() && !eml.SentAt.After(req.Search.After) {
-			match = false
-		}
-
-		if !req.Search.Before.IsZero() && !eml.SentAt.Before(req.Search.Before) {
-			match = false
-		}
-
-		if match {
-			filtered = append(filtered, eml)
-		}
-	}
 
 	return &InboxData{filtered}, nil
 }
+
+var matchers = []emailMatcherFunc{
+	matchTo,
+	matchFrom,
+	matchBefore,
+	matchAfter,
+	matchHeaders,
+}
+
+type emailMatcherFunc func(*model.Email, *InboxSearch) bool
+
+func matchTo(eml *model.Email, search *InboxSearch) bool {
+	if search.To == "" {
+		return true
+	}
+
+	found := false
+
+	for _, addr := range eml.To {
+		if strings.Contains(addr.Name, search.To) || strings.Contains(addr.Address, search.To) {
+			found = true
+
+			break
+		}
+	}
+
+	return found
+}
+
+func matchFrom(eml *model.Email, search *InboxSearch) bool {
+	if search.From == "" {
+		return true
+	}
+
+	found := false
+
+	for _, addr := range eml.From {
+		if strings.Contains(addr.Name, search.From) || strings.Contains(addr.Address, search.From) {
+			found = true
+
+			break
+		}
+	}
+
+	return found
+}
+
+func matchAfter(eml *model.Email, search *InboxSearch) bool {
+	if search.After.IsZero() {
+		return true
+	}
+
+	return eml.SentAt.After(search.After)
+}
+
+func matchBefore(eml *model.Email, search *InboxSearch) bool {
+	if search.Before.IsZero() {
+		return true
+	}
+
+	return eml.SentAt.Before(search.Before)
+}
+
+func matchHeaders(eml *model.Email, search *InboxSearch) bool {
+	if eml.Headers == nil {
+		return true
+	}
+
+	matches := true
+
+	for searchKey, searchValue := range search.Headers {
+		for headerKey, headerValues := range eml.Headers {
+			if searchKey != headerKey {
+				continue
+			}
+
+			matchesHeader := true
+
+			for _, hv := range headerValues {
+				if !strings.Contains(hv, searchValue) {
+					matchesHeader = false
+
+					break
+				}
+			}
+
+			if !matchesHeader {
+				matches = false
+
+				break
+			}
+		}
+
+		if !matches {
+			break
+		}
+	}
+
+	return matches
+}
+
+func and(matchers ...emailMatcherFunc) emailMatcherFunc {
+	return func(eml *model.Email, search *InboxSearch) bool {
+		for _, match := range matchers {
+			if !match(eml, search) {
+				return false
+			}
+		}
+
+		return true
+	}
+}
+
+func filterEmails(emails []*model.Email, search *InboxSearch) []*model.Email {
+	filtered := make([]*model.Email, 0)
+
+	match := and(matchers...)
+
+	for _, eml := range emails {
+		if !match(eml, search) {
+			continue
+		}
+
+		filtered = append(filtered, eml)
+	}
+
+	return filtered
+}

internal/route/helper.go

@@ -1,13 +1,16 @@
 package route
 
 import (
+	"encoding/json"
 	"net/http"
 	"strconv"
 	"time"
 
+	"forge.cadoles.com/wpetit/fake-smtp/internal/config"
 	"forge.cadoles.com/wpetit/fake-smtp/internal/query"
 	"github.com/pkg/errors"
 	"gitlab.com/wpetit/goweb/middleware/container"
+	"gitlab.com/wpetit/goweb/service"
 	"gitlab.com/wpetit/goweb/service/template"
 )
 
@@ -15,8 +18,8 @@ func extendTemplateData(w http.ResponseWriter, r *http.Request, data template.Da
 	ctn := container.Must(r.Context())
 	data, err := template.Extend(data,
 		template.WithBuildInfo(w, r, ctn),
+		withBaseURL(ctn),
 	)
-
 	if err != nil {
 		panic(errors.Wrap(err, "could not extend template data"))
 	}
@@ -73,6 +76,16 @@ func createInboxQueryFromRequest(r *http.Request) (*query.GetInboxRequest, error
 		}
 	}
 
+	var headers map[string]string
+
+	rawHeaders := r.URL.Query().Get("headers")
+	if rawHeaders != "" {
+		headers = make(map[string]string)
+		if err := json.Unmarshal([]byte(rawHeaders), &headers); err != nil {
+			return nil, errors.WithStack(err)
+		}
+	}
+
 	search := &query.InboxSearch{}
 	if to != "" {
 		search.To = to
@@ -94,6 +107,10 @@ func createInboxQueryFromRequest(r *http.Request) (*query.GetInboxRequest, error
 		search.Before = before
 	}
 
+	if rawHeaders != "" {
+		search.Headers = headers
+	}
+
 	inboxRequest := &query.GetInboxRequest{
 		OrderBy: orderBy,
 		Reverse: reverse == "y",
@@ -104,3 +121,16 @@ func createInboxQueryFromRequest(r *http.Request) (*query.GetInboxRequest, error
 
 	return inboxRequest, nil
 }
+
+func withBaseURL(ctn *service.Container) template.DataExtFunc {
+	return func(data template.Data) (template.Data, error) {
+		conf, err := config.From(ctn)
+		if err != nil {
+			return nil, errors.WithStack(err)
+		}
+
+		data["BaseURL"] = conf.HTTP.BaseURL
+
+		return data, nil
+	}
+}

misc/api.http

@@ -0,0 +1,5 @@
+@baseURL = http://localhost:8080
+
+### Filter emails via headers
+
+GET {{ baseURL }}/api/v1/emails?headers={"Mime-Version":"1.0"}

misc/docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.13 AS build
+FROM golang:1.19 AS build
 
 ARG HTTP_PROXY=
 ARG HTTPS_PROXY=
@@ -7,20 +7,15 @@ ARG https_proxy=
 
 RUN apt-get update && apt-get install -y build-essential git bash curl
 
-RUN curl -sL https://deb.nodesource.com/setup_12.x | bash - \
+RUN curl -sL https://deb.nodesource.com/setup_14.x | bash - \
     && apt-get install -y nodejs
 
 COPY . /src
 
 WORKDIR /src
 
-RUN cp -f misc/docker/config-patch.yml misc/release/config-patch.yml
+RUN cp -f misc/docker/config-patch.txt misc/release/config-patch.txt \
-
+    && npm install \
-RUN go get github.com/krishicks/yaml-patch/cmd/yaml-patch
-
-RUN npm install \
-    && make vendor \
-    && echo "---" > ./misc/release/config-patch.yml \
     && make ARCH_TARGETS=amd64 release
 
 FROM busybox
@@ -31,4 +26,6 @@ WORKDIR /app
 
 RUN mkdir -p /app
 
+EXPOSE 8080 2525
+
 CMD ["bin/fake-smtp", "--config", "config.yml"]

misc/docker/config-patch.txt

@@ -0,0 +1 @@
+.smtp.debug = false

misc/docker/config-patch.yml

@@ -1,4 +0,0 @@
----
-- op: replace
-  path: /smtp/debug
-  value: false

misc/release/config-patch.txt

@@ -0,0 +1,3 @@
+.data.path = "/var/lib/fake-smtp/data.db"
+.smtp.address = "127.0.0.1:2525"
+.smtp.debug = false

misc/release/config-patch.yml

@@ -1,10 +0,0 @@
----
-- op: replace
-  path: /data/path
-  value: /var/lib/fake-smtp/data.db
-- op: replace
-  path: /smtp/address
-  value: 127.0.0.1:2525
-- op: replace
-  path: /smtp/debug
-  value: false

misc/script/release.sh

@@ -73,13 +73,17 @@ function dump_default_conf {
   local command=$1
   local os=$2
   local arch=$3
-  local tmp_conf=$(mktemp)
   local patched_conf=$(mktemp)
 
-  go run "$PROJECT_DIR/cmd/$command" -dump-config > "$tmp_conf"
+  go run "$PROJECT_DIR/cmd/$command" -dump-config > "$patched_conf"
-  cat "$tmp_conf" | yaml-patch -o misc/release/config-patch.yml > "$patched_conf"
+
+  while IFS= read -r yq_cmd; do
+    echo "patching configuration with '$yq_cmd'..."
+    tools/yq/bin/yq -i "$yq_cmd" "$patched_conf"
+  done < misc/release/config-patch.txt
+
   copy "$command" $os $arch "$patched_conf" "config.yml"
-  rm -f "$tmp_conf" "$patched_conf"
+  rm -f "$patched_conf"
 }
 
 function compress {

misc/script/test-smtp.sh

@@ -6,7 +6,7 @@ for i in {1..10}; do
     -s "Test ${i}" \
     -a README.md \
     -a package.json \
-    foo_${i}@bar_${i}.com \
+    foo_${i}@bar${i}.com \
     <<EOF
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus eget metus ornare, placerat mi nec, ornare magna. Vivamus volutpat nisi et aliquet mollis. Phasellus eu malesuada erat, vel molestie ipsum. Etiam tincidunt ligula eget scelerisque blandit. Vivamus nec quam vitae felis rutrum cursus a eget elit. Integer vestibulum ultrices iaculis. Integer varius sapien ac ante accumsan euismod. Quisque fermentum dui nec porttitor pellentesque. Vivamus lobortis mauris eget metus sagittis tempor.
 

package-lock.json

@@ -1398,9 +1398,9 @@
       "dev": true
     },
     "aws4": {
-      "version": "1.9.1",
+      "version": "1.11.0",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.9.1.tgz",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.11.0.tgz",
-      "integrity": "sha512-wMHVg2EOHaMRxbzgFJ9gtjOOCrI80OHLG14rxi28XwOW8ux6IiEbRCGGGqCtdAIg4FQCbW20k9RsT4y3gJlFug==",
+      "integrity": "sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==",
       "dev": true
     },
     "babel-loader": {
@@ -1884,14 +1884,48 @@
       }
     },
     "cliui": {
-      "version": "3.2.0",
+      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
-      "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
+      "integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
       "dev": true,
       "requires": {
-        "string-width": "^1.0.1",
+        "string-width": "^3.1.0",
-        "strip-ansi": "^3.0.1",
+        "strip-ansi": "^5.2.0",
-        "wrap-ansi": "^2.0.0"
+        "wrap-ansi": "^5.1.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
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package.json

@@ -20,7 +20,7 @@
     "css-loader": "^3.5.2",
     "file-loader": "^6.0.0",
     "mini-css-extract-plugin": "^0.9.0",
-    "node-sass": "^4.10.0",
+    "node-sass": "^4.14.1",
     "resolve-url-loader": "^3.0.0",
     "sass-loader": "^8.0.2",
     "stimulus": "^1.1.0",