feat: smtp server for sending email can now be set by config

conf/taskcafe.example.toml

@@ -17,8 +17,9 @@ user = 'taskcafe'
 password = 'taskcafe_test'
 
 [smtp]
-username = '[email protected]'
-password = 'example'
-server = 'mail.example.com'
-port = 465
-connection_security = 'STARTTLS'
+username = '[email protected]'
+password = ''
+from = '[email protected]'
+host = 'localhost'
+port = 11500
+skip_verify = false

internal/commands/web.go

@@ -15,6 +15,7 @@ import (
 
 	"github.com/jmoiron/sqlx"
 	"github.com/jordanknott/taskcafe/internal/route"
+	"github.com/jordanknott/taskcafe/internal/utils"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -75,11 +76,25 @@ func newWebCmd() *cobra.Command {
 				log.Warn("server.secret is not set, generating a random secret")
 				secret = uuid.New().String()
 			}
-			r, _ := route.NewRouter(db, []byte(secret))
+			r, _ := route.NewRouter(db, utils.EmailConfig{
+				From:               viper.GetString("smtp.from"),
+				Host:               viper.GetString("smtp.host"),
+				Port:               viper.GetInt("smtp.port"),
+				Username:           viper.GetString("smtp.username"),
+				Password:           viper.GetString("smtp.password"),
+				InsecureSkipVerify: viper.GetBool("smtp.skip_verify"),
+			}, []byte(secret))
 			return http.ListenAndServe(viper.GetString("server.hostname"), r)
 		},
 	}
 
+	viper.SetDefault("smtp.from", "[email protected]")
+	viper.SetDefault("smtp.host", "localhost")
+	viper.SetDefault("smtp.port", 587)
+	viper.SetDefault("smtp.username", "")
+	viper.SetDefault("smtp.password", "")
+	viper.SetDefault("smtp.skip_verify", false)
+
 	cc.Flags().Bool("migrate", false, "if true, auto run's schema migrations before starting the web server")
 
 	viper.BindPFlag("migrate", cc.Flags().Lookup("migrate"))

internal/graph/graph.go

@@ -26,10 +26,11 @@ import (
 )
 
 // NewHandler returns a new graphql endpoint handler.
-func NewHandler(repo db.Repository) http.Handler {
+func NewHandler(repo db.Repository, emailConfig utils.EmailConfig) http.Handler {
 	c := Config{
 		Resolvers: &Resolver{
-			Repository: repo,
+			Repository:  repo,
+			EmailConfig: emailConfig,
 		},
 	}
 	c.Directives.HasRole = func(ctx context.Context, obj interface{}, next graphql.Resolver, roles []RoleLevel, level ActionLevel, typeArg ObjectType) (interface{}, error) {

internal/graph/resolver.go

@@ -7,10 +7,12 @@ import (
 	"sync"
 
 	"github.com/jordanknott/taskcafe/internal/db"
+	"github.com/jordanknott/taskcafe/internal/utils"
 )
 
 // Resolver handles resolving GraphQL queries & mutations
 type Resolver struct {
-	Repository db.Repository
-	mu         sync.Mutex
+	Repository  db.Repository
+	EmailConfig utils.EmailConfig
+	mu          sync.Mutex
 }

internal/graph/schema.resolvers.go

@@ -5,7 +5,6 @@ package graph
 
 import (
 	"context"
-	"crypto/tls"
 	"database/sql"
 	"encoding/json"
 	"errors"
@@ -16,12 +15,11 @@ import (
 	"github.com/jordanknott/taskcafe/internal/auth"
 	"github.com/jordanknott/taskcafe/internal/db"
 	"github.com/jordanknott/taskcafe/internal/logger"
+	"github.com/jordanknott/taskcafe/internal/utils"
 	"github.com/lithammer/fuzzysearch/fuzzy"
-	hermes "github.com/matcornic/hermes/v2"
 	log "github.com/sirupsen/logrus"
 	"github.com/vektah/gqlparser/v2/gqlerror"
 	"golang.org/x/crypto/bcrypt"
-	gomail "gopkg.in/mail.v2"
 )
 
 func (r *labelColorResolver) ID(ctx context.Context, obj *db.LabelColor) (uuid.UUID, error) {
@@ -193,79 +191,11 @@ func (r *mutationResolver) InviteProjectMembers(ctx context.Context, input Invit
 					if err != nil {
 						return &InviteProjectMembersPayload{Ok: false}, err
 					}
-					// send out invitation
-					// add project invite entry
-					// send out notification?
-					h := hermes.Hermes{
-						// Optional Theme
-						Product: hermes.Product{
-							// Appears in header & footer of e-mails
-							Name: "Taskscafe",
-							Link: "http://localhost:3333/",
-							// Optional product logo
-							Logo: "https://github.com/JordanKnott/taskcafe/raw/master/.github/taskcafe-full.png",
-						},
-					}
-
-					email := hermes.Email{
-						Body: hermes.Body{
-							Name: "Jordan Knott",
-							Intros: []string{
-								"You have been invited to join Taskcafe",
-							},
-							Actions: []hermes.Action{
-								{
-									Instructions: "To get started with Taskcafe, please click here:",
-									Button: hermes.Button{
-										Color:     "#7367F0", // Optional action button color
-										TextColor: "#FFFFFF",
-										Text:      "Register your account",
-										Link:      "http://localhost:3000/register?confirmToken=" + confirmToken.ConfirmTokenID.String(),
-									},
-								},
-							},
-							Outros: []string{
-								"Need help, or have questions? Just reply to this email, we'd love to help.",
-							},
-						},
-					}
-
-					// Generate an HTML email with the provided contents (for modern clients)
-					emailBody, err := h.GenerateHTML(email)
+					invite := utils.EmailInvite{To: *invitedMember.Email, FullName: *invitedMember.Email, ConfirmToken: confirmToken.ConfirmTokenID.String()}
+					err = utils.SendEmailInvite(r.EmailConfig, invite)
 					if err != nil {
-						panic(err) // Tip: Handle error with something else than a panic ;)
-					}
-					emailBodyPlain, err := h.GeneratePlainText(email)
-					if err != nil {
-						panic(err) // Tip: Handle error with something else than a panic ;)
-					}
-
-					m := gomail.NewMessage()
-
-					// Set E-Mail sender
-					m.SetHeader("From", "[email protected]")
-
-					// Set E-Mail receivers
-					m.SetHeader("To", invitedUser.Email)
-
-					// Set E-Mail subject
-					m.SetHeader("Subject", "You have been invited to Taskcafe")
-
-					// Set E-Mail body. You can set plain text or html with text/html
-					m.SetBody("text/html", emailBody)
-					m.AddAlternative("text/plain", emailBodyPlain)
-
-					// Settings for SMTP server
-					d := gomail.NewDialer("127.0.0.1", 11500, "[email protected]", "")
-
-					// This is only needed when SSL/TLS certificate is not valid on server.
-					// In production this should be set to false.
-					d.TLSConfig = &tls.Config{InsecureSkipVerify: true}
-
-					// Now send E-Mail
-					if err := d.DialAndSend(m); err != nil {
-						fmt.Println(err)
-						panic(err)
+						logger.New(ctx).WithError(err).Error("issue sending email")
+						return &InviteProjectMembersPayload{Ok: false}, err
 					}
 				} else {
 					return &InviteProjectMembersPayload{Ok: false}, err

internal/route/route.go

@@ -16,6 +16,7 @@ import (
 	"github.com/jordanknott/taskcafe/internal/frontend"
 	"github.com/jordanknott/taskcafe/internal/graph"
 	"github.com/jordanknott/taskcafe/internal/logger"
+	"github.com/jordanknott/taskcafe/internal/utils"
 )
 
 // FrontendHandler serves an embed React client through chi
@@ -64,7 +65,7 @@ type TaskcafeHandler struct {
 }
 
 // NewRouter creates a new router for chi
-func NewRouter(dbConnection *sqlx.DB, jwtKey []byte) (chi.Router, error) {
+func NewRouter(dbConnection *sqlx.DB, emailConfig utils.EmailConfig, jwtKey []byte) (chi.Router, error) {
 	formatter := new(log.TextFormatter)
 	formatter.TimestampFormat = "02-01-2006 15:04:05"
 	formatter.FullTimestamp = true
@@ -94,7 +95,7 @@ func NewRouter(dbConnection *sqlx.DB, jwtKey []byte) (chi.Router, error) {
 	r.Group(func(mux chi.Router) {
 		mux.Use(auth.Middleware)
 		mux.Post("/users/me/avatar", taskcafeHandler.ProfileImageUpload)
-		mux.Handle("/graphql", graph.NewHandler(*repository))
+		mux.Handle("/graphql", graph.NewHandler(*repository, emailConfig))
 	})
 
 	frontend := FrontendHandler{staticPath: "build", indexPath: "index.html"}

internal/utils/mail.go

@@ -0,0 +1,94 @@
+package utils
+
+import (
+	"crypto/tls"
+
+	hermes "github.com/matcornic/hermes/v2"
+	gomail "gopkg.in/mail.v2"
+)
+
+type EmailConfig struct {
+	Host               string
+	Port               int
+	From               string
+	Username           string
+	Password           string
+	SiteURL            string
+	InsecureSkipVerify bool
+}
+
+type EmailInvite struct {
+	ConfirmToken string
+	FullName     string
+	To           string
+}
+
+func SendEmailInvite(config EmailConfig, invite EmailInvite) error {
+	h := hermes.Hermes{
+		Product: hermes.Product{
+			Name: "Taskscafe",
+			Link: config.SiteURL,
+			Logo: "https://github.com/JordanKnott/taskcafe/raw/master/.github/taskcafe-full.png",
+		},
+	}
+
+	email := hermes.Email{
+		Body: hermes.Body{
+			Name: invite.FullName,
+			Intros: []string{
+				"You have been invited to join Taskcafe",
+			},
+			Actions: []hermes.Action{
+				{
+					Instructions: "To get started with Taskcafe, please click here:",
+					Button: hermes.Button{
+						Color:     "#7367F0", // Optional action button color
+						TextColor: "#FFFFFF",
+						Text:      "Register your account",
+						Link:      config.SiteURL + "/register?confirmToken=" + invite.ConfirmToken,
+					},
+				},
+			},
+			Outros: []string{
+				"Need help, or have questions? Just reply to this email, we'd love to help.",
+			},
+		},
+	}
+
+	emailBody, err := h.GenerateHTML(email)
+	if err != nil {
+		return err
+	}
+	emailBodyPlain, err := h.GeneratePlainText(email)
+	if err != nil {
+		return err
+	}
+
+	m := gomail.NewMessage()
+
+	// Set E-Mail sender
+	m.SetHeader("From", config.From)
+
+	// Set E-Mail receivers
+	m.SetHeader("To", invite.To)
+
+	// Set E-Mail subject
+	m.SetHeader("Subject", "You have been invited to Taskcafe")
+
+	// Set E-Mail body. You can set plain text or html with text/html
+	m.SetBody("text/html", emailBody)
+	m.AddAlternative("text/plain", emailBodyPlain)
+
+	// Settings for SMTP server
+	d := gomail.NewDialer(config.Host, config.Port, config.Username, config.Password)
+
+	// This is only needed when SSL/TLS certificate is not valid on server.
+	// In production this should be set to false.
+	d.TLSConfig = &tls.Config{InsecureSkipVerify: config.InsecureSkipVerify}
+
+	// Now send E-Mail
+	if err := d.DialAndSend(m); err != nil {
+		return err
+	}
+	return nil
+}