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add mail service

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This commit is contained in:
vinchent 2024-09-02 20:48:30 +02:00
parent 6630577399
commit 50142e16be
8 changed files with 209 additions and 1 deletions
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81
mail-service/cmd/api/handlers.go Normal file
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@ -0,0 +1,81 @@
package main
import (
"encoding/json"
"errors"
"fmt"
"log"
"net/http"
"time"
"github.com/tsawler/toolbox"
mail "github.com/xhit/go-simple-mail/v2"
)
type MailData struct {
From string
To string
Subject string
Content string
}
func (app *Config) SendMail(w http.ResponseWriter, r *http.Request) {
var mailData MailData
err := json.NewDecoder(r.Body).Decode(&mailData)
if err != nil {
log.Println(err)
app.Tools.ErrorJSON(w, err)
}
if mailData.From == "" || mailData.To == "" ||
(mailData.Subject == "" && mailData.Content == "") {
log.Println("Invalid mail")
app.Tools.ErrorJSON(w, errors.New("invalid mail"), http.StatusBadRequest)
}
err = app.SendMsg(mailData)
if err != nil {
log.Println(err)
app.Tools.ErrorJSON(w, err)
}
var payload toolbox.JSONResponse
payload.Error = false
payload.Message = fmt.Sprintf("mail sent to %s", mailData.To)
app.Tools.WriteJSON(w, http.StatusOK, payload)
}
func (app *Config) SendMsg(m MailData) error {
server := mail.NewSMTPClient()
server.Host = app.Host
server.Port = app.Port
server.KeepAlive = false
server.ConnectTimeout = 10 * time.Second
server.SendTimeout = 10 * time.Second
smtpClient, err := server.Connect()
if err != nil {
log.Println(err)
return err
}
// Maybe add a template
email := mail.NewMSG()
email.SetFrom(m.From).
AddTo(m.To).
SetSubject(m.Subject).
SetBody(mail.TextHTML, m.Content)
err = email.Send(smtpClient)
if err != nil {
log.Println(err)
return err
}
log.Printf("Email sent to %s", m.To)
return nil
}

40
mail-service/cmd/api/main.go Normal file
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@ -0,0 +1,40 @@
package main
import (
"fmt"
"log"
"net/http"
"github.com/tsawler/toolbox"
)
const webPort = "80"
type Config struct {
Host string
Port int
UserName string
Password string
Encryption string
Tools toolbox.Tools
}
func main() {
app := Config{
Host: "localhost",
Port: 1025,
}
log.Printf("Starting mail service on port %s\n", webPort)
// define http server
srv := &http.Server{
Addr: fmt.Sprintf(":%s", webPort),
Handler: app.routes(),
}
err := srv.ListenAndServe()
if err != nil {
log.Panic(err)
}
}

27
mail-service/cmd/api/routes.go Normal file
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@ -0,0 +1,27 @@
package main
import (
"net/http"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
"github.com/go-chi/cors"
)
func (app *Config) routes() http.Handler {
mux := chi.NewRouter()
mux.Use(cors.Handler(cors.Options{
AllowedOrigins: []string{"https://*", "http://*"},
AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
AllowedHeaders: []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
ExposedHeaders: []string{"Link"},
AllowCredentials: true,
MaxAge: 300,
}))
mux.Use(middleware.Heartbeat("/ping"))
mux.Post("/send-mail", app.SendMail)
return nil
}

16
mail-service/go.mod Normal file
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@ -0,0 +1,16 @@
module mail
go 1.22.5
require (
github.com/go-chi/chi/v5 v5.1.0
github.com/go-chi/cors v1.2.1
github.com/tsawler/toolbox v1.3.1
github.com/xhit/go-simple-mail/v2 v2.16.0
)
require (
github.com/go-test/deep v1.1.1 // indirect
github.com/stretchr/testify v1.9.0 // indirect
github.com/toorop/go-dkim v0.0.0-20201103131630-e1cd1a0a5208 // indirect
)

20
mail-service/go.sum Normal file
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@ -0,0 +1,20 @@
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-chi/chi/v5 v5.1.0 h1:acVI1TYaD+hhedDJ3r54HyA6sExp3HfXq7QWEEY/xMw=
github.com/go-chi/chi/v5 v5.1.0/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
github.com/go-chi/cors v1.2.1 h1:xEC8UT3Rlp2QuWNEr4Fs/c2EAGVKBwy/1vHx3bppil4=
github.com/go-chi/cors v1.2.1/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vzc58=
github.com/go-test/deep v1.1.1 h1:0r/53hagsehfO4bzD2Pgr/+RgHqhmf+k1Bpse2cTu1U=
github.com/go-test/deep v1.1.1/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
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/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
github.com/toorop/go-dkim v0.0.0-20201103131630-e1cd1a0a5208 h1:PM5hJF7HVfNWmCjMdEfbuOBNXSVF2cMFGgQTPdKCbwM=
github.com/toorop/go-dkim v0.0.0-20201103131630-e1cd1a0a5208/go.mod h1:BzWtXXrXzZUvMacR0oF/fbDDgUPO8L36tDMmRAf14ns=
github.com/tsawler/toolbox v1.3.1 h1:zqnt5L5dmWiBrs2JgE1VeHJJO/IMStFKQgWxc+eriEE=
github.com/tsawler/toolbox v1.3.1/go.mod h1:bYUEtJ09HFx534XcjXdTIzv7MCKsg9SrhSGELFe6HI4=
github.com/xhit/go-simple-mail/v2 v2.16.0 h1:ouGy/Ww4kuaqu2E2UrDw7SvLaziWTB60ICLkIkNVccA=
github.com/xhit/go-simple-mail/v2 v2.16.0/go.mod h1:b7P5ygho6SYE+VIqpxA6QkYfv4teeyG4MKqB3utRu98=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

8
mail-service/mail-service.dockerfile Normal file
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FROM alpine:latest
RUN mkdir /app
COPY mailApp /app
CMD ["/app/mailApp"]

9
project/Makefile
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@ -2,6 +2,7 @@ FRONT_END_BINARY=frontApp
BROKER_BINARY=brokerApp
AUTH_BINARY=authApp
LOGGER_BINARY=loggerApp
MAIL_BINARY=mailApp
## up: starts all containers in the background without forcing build
up:
@ -10,7 +11,7 @@ up:
@echo "Docker images started!"
## up_build: stops docker-compose (if running), builds all projects and starts docker compose
up_build: build_broker build_auth build_logger
up_build: build_broker build_auth build_logger build_mail
@echo "Stopping docker images (if running...)"
docker compose down
@echo "Building (when required) and starting docker images..."
@ -41,6 +42,12 @@ build_logger:
cd ../logger-service && env GOOS=linux CGO_ENABLED=0 go build -o ${LOGGER_BINARY} ./cmd/api
@echo "Done!"
## build_mail: builds the mail binary as a linux executable
build_mail:
@echo "Building mail binary..."
cd ../mail-service && env GOOS=linux CGO_ENABLED=0 go build -o ${MAIL_BINARY} ./cmd/api
@echo "Done!"
## build_front: builds the frone end binary
build_front:
@echo "Building front end binary..."

9
project/docker-compose.yml
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@ -31,6 +31,15 @@ services:
mode: replicated
replicas: 1
mail-service:
build:
context: ./../mail-service/
dockerfile: ./../mail-service/mail-service.dockerfile
restart: always
deploy:
mode: replicated
replicas: 1
postgres:
image: postgres:16.4-alpine
ports: