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examples_test.go
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examples_test.go
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package mailgun_test
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"strings"
"time"
"github.com/mailgun/mailgun-go/v4"
"github.com/mailgun/mailgun-go/v4/events"
)
func ExampleMailgunImpl_ValidateEmail() {
v := mailgun.NewEmailValidator("my_public_validation_api_key")
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
ev, err := v.ValidateEmail(ctx, "joe@example.com", false)
if err != nil {
log.Fatal(err)
}
if !ev.IsValid {
log.Fatal("Expected valid e-mail address")
}
log.Printf("Parts local_part=%s domain=%s display_name=%s", ev.Parts.LocalPart, ev.Parts.Domain, ev.Parts.DisplayName)
if ev.DidYouMean != "" {
log.Printf("The address is syntactically valid, but perhaps has a typo.")
log.Printf("Did you mean %s instead?", ev.DidYouMean)
}
}
func ExampleMailgunImpl_ParseAddresses() {
v := mailgun.NewEmailValidator("my_public_validation_api_key")
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
addressesThatParsed, unparsableAddresses, err := v.ParseAddresses(ctx, "Alice <alice@example.com>", "bob@example.com", "example.com")
if err != nil {
log.Fatal(err)
}
hittest := map[string]bool{
"Alice <alice@example.com>": true,
"bob@example.com": true,
}
for _, a := range addressesThatParsed {
if !hittest[a] {
log.Fatalf("Expected %s to be parsable", a)
}
}
if len(unparsableAddresses) != 1 {
log.Fatalf("Expected 1 address to be unparsable; got %d", len(unparsableAddresses))
}
}
func ExampleMailgunImpl_UpdateList() {
mg := mailgun.NewMailgun("example.com", "my_api_key")
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
_, err := mg.UpdateMailingList(ctx, "joe-stat@example.com", mailgun.MailingList{
Name: "Joe Stat",
Description: "Joe's status report list",
})
if err != nil {
log.Fatal(err)
}
}
func ExampleMailgunImpl_Send_constructed() {
mg := mailgun.NewMailgun("example.com", "my_api_key")
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
m := mg.NewMessage(
"Excited User <me@example.com>",
"Hello World",
"Testing some Mailgun Awesomeness!",
"baz@example.com",
"bar@example.com",
)
m.SetTracking(true)
m.SetDeliveryTime(time.Now().Add(24 * time.Hour))
m.SetHtml("<html><body><h1>Testing some Mailgun Awesomeness!!</h1></body></html>")
_, id, err := mg.Send(ctx, m)
if err != nil {
log.Fatal(err)
}
log.Printf("Message id=%s", id)
}
func ExampleMailgunImpl_Send_mime() {
exampleMime := `Content-Type: text/plain; charset="ascii"
Subject: Joe's Example Subject
From: Joe Example <joe@example.com>
To: BARGLEGARF <bargle.garf@example.com>
Content-Transfer-Encoding: 7bit
Date: Thu, 6 Mar 2014 00:37:52 +0000
Testing some Mailgun MIME awesomeness!
`
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
mg := mailgun.NewMailgun("example.com", "my_api_key")
m := mg.NewMIMEMessage(ioutil.NopCloser(strings.NewReader(exampleMime)), "bargle.garf@example.com")
_, id, err := mg.Send(ctx, m)
if err != nil {
log.Fatal(err)
}
log.Printf("Message id=%s", id)
}
func ExampleMailgunImpl_GetRoutes() {
mg := mailgun.NewMailgun("example.com", "my_api_key")
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
it := mg.ListRoutes(nil)
var page []mailgun.Route
for it.Next(ctx, &page) {
for _, r := range page {
log.Printf("Route pri=%d expr=%s desc=%s", r.Priority, r.Expression, r.Description)
}
}
if it.Err() != nil {
log.Fatal(it.Err())
}
}
func ExampleMailgunImpl_VerifyWebhookSignature() {
// Create an instance of the Mailgun Client
mg, err := mailgun.NewMailgunFromEnv()
if err != nil {
fmt.Printf("mailgun error: %s\n", err)
os.Exit(1)
}
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
var payload mailgun.WebhookPayload
if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
fmt.Printf("decode JSON error: %s", err)
w.WriteHeader(http.StatusNotAcceptable)
return
}
verified, err := mg.VerifyWebhookSignature(payload.Signature)
if err != nil {
fmt.Printf("verify error: %s\n", err)
w.WriteHeader(http.StatusNotAcceptable)
return
}
if !verified {
w.WriteHeader(http.StatusNotAcceptable)
fmt.Printf("failed verification %+v\n", payload.Signature)
return
}
fmt.Printf("Verified Signature\n")
// Parse the raw event to extract the
e, err := mailgun.ParseEvent(payload.EventData)
if err != nil {
fmt.Printf("parse event error: %s\n", err)
return
}
switch event := e.(type) {
case *events.Accepted:
fmt.Printf("Accepted: auth: %t\n", event.Flags.IsAuthenticated)
case *events.Delivered:
fmt.Printf("Delivered transport: %s\n", event.Envelope.Transport)
}
})
fmt.Println("Running...")
if err := http.ListenAndServe(":9090", nil); err != nil {
fmt.Printf("serve error: %s\n", err)
os.Exit(1)
}
}