gorush/notify/notification_apns.go

476 lines
11 KiB
Go

package notify
import (
"crypto/ecdsa"
"crypto/tls"
"encoding/base64"
"errors"
"net"
"net/http"
"path/filepath"
"sync"
"time"
"github.com/appleboy/gorush/config"
"github.com/appleboy/gorush/core"
"github.com/appleboy/gorush/logx"
"github.com/appleboy/gorush/status"
"github.com/mitchellh/mapstructure"
"github.com/sideshow/apns2"
"github.com/sideshow/apns2/certificate"
"github.com/sideshow/apns2/payload"
"github.com/sideshow/apns2/token"
"golang.org/x/net/http2"
)
var (
idleConnTimeout = 90 * time.Second
tlsDialTimeout = 20 * time.Second
tcpKeepAlive = 60 * time.Second
)
const (
dotP8 = ".p8"
dotPEM = ".pem"
dotP12 = ".p12"
)
var doOnce sync.Once
// DialTLS is the default dial function for creating TLS connections for
// non-proxied HTTPS requests.
var DialTLS = func(cfg *tls.Config) func(network, addr string) (net.Conn, error) {
return func(network, addr string) (net.Conn, error) {
dialer := &net.Dialer{
Timeout: tlsDialTimeout,
KeepAlive: tcpKeepAlive,
}
return tls.DialWithDialer(dialer, network, addr, cfg)
}
}
// Sound sets the aps sound on the payload.
type Sound struct {
Critical int `json:"critical,omitempty"`
Name string `json:"name,omitempty"`
Volume float32 `json:"volume,omitempty"`
}
// InitAPNSClient use for initialize APNs Client.
func InitAPNSClient(cfg *config.ConfYaml) error {
if cfg.Ios.Enabled {
var err error
var authKey *ecdsa.PrivateKey
var certificateKey tls.Certificate
var ext string
if cfg.Ios.KeyPath != "" {
ext = filepath.Ext(cfg.Ios.KeyPath)
switch ext {
case dotP12:
certificateKey, err = certificate.FromP12File(cfg.Ios.KeyPath, cfg.Ios.Password)
case dotPEM:
certificateKey, err = certificate.FromPemFile(cfg.Ios.KeyPath, cfg.Ios.Password)
case dotP8:
authKey, err = token.AuthKeyFromFile(cfg.Ios.KeyPath)
default:
err = errors.New("wrong certificate key extension")
}
if err != nil {
logx.LogError.Error("Cert Error:", err.Error())
return err
}
} else if cfg.Ios.KeyBase64 != "" {
ext = "." + cfg.Ios.KeyType
key, err := base64.StdEncoding.DecodeString(cfg.Ios.KeyBase64)
if err != nil {
logx.LogError.Error("base64 decode error:", err.Error())
return err
}
switch ext {
case dotP12:
certificateKey, err = certificate.FromP12Bytes(key, cfg.Ios.Password)
case dotPEM:
certificateKey, err = certificate.FromPemBytes(key, cfg.Ios.Password)
case dotP8:
authKey, err = token.AuthKeyFromBytes(key)
default:
err = errors.New("wrong certificate key type")
}
if err != nil {
logx.LogError.Error("Cert Error:", err.Error())
return err
}
}
if ext == dotP8 {
if cfg.Ios.KeyID == "" || cfg.Ios.TeamID == "" {
msg := "you should provide ios.KeyID and ios.TeamID for p8 token"
logx.LogError.Error(msg)
return errors.New(msg)
}
token := &token.Token{
AuthKey: authKey,
// KeyID from developer account (Certificates, Identifiers & Profiles -> Keys)
KeyID: cfg.Ios.KeyID,
// TeamID from developer account (View Account -> Membership)
TeamID: cfg.Ios.TeamID,
}
ApnsClient, err = newApnsTokenClient(cfg, token)
} else {
ApnsClient, err = newApnsClient(cfg, certificateKey)
}
if h2Transport, ok := ApnsClient.HTTPClient.Transport.(*http2.Transport); ok {
configureHTTP2ConnHealthCheck(h2Transport)
}
if err != nil {
logx.LogError.Error("Transport Error:", err.Error())
return err
}
doOnce.Do(func() {
MaxConcurrentIOSPushes = make(chan struct{}, cfg.Ios.MaxConcurrentPushes)
})
}
return nil
}
func newApnsClient(cfg *config.ConfYaml, certificate tls.Certificate) (*apns2.Client, error) {
var client *apns2.Client
if cfg.Ios.Production {
client = apns2.NewClient(certificate).Production()
} else {
client = apns2.NewClient(certificate).Development()
}
if cfg.Core.HTTPProxy == "" {
return client, nil
}
//nolint:gosec
tlsConfig := &tls.Config{
Certificates: []tls.Certificate{certificate},
}
if len(certificate.Certificate) > 0 {
//nolint:staticcheck
tlsConfig.BuildNameToCertificate()
}
transport := &http.Transport{
TLSClientConfig: tlsConfig,
DialTLS: DialTLS(tlsConfig),
Proxy: http.DefaultTransport.(*http.Transport).Proxy,
IdleConnTimeout: idleConnTimeout,
}
h2Transport, err := http2.ConfigureTransports(transport)
if err != nil {
return nil, err
}
configureHTTP2ConnHealthCheck(h2Transport)
client.HTTPClient.Transport = transport
return client, nil
}
func newApnsTokenClient(cfg *config.ConfYaml, token *token.Token) (*apns2.Client, error) {
var client *apns2.Client
if cfg.Ios.Production {
client = apns2.NewTokenClient(token).Production()
} else {
client = apns2.NewTokenClient(token).Development()
}
if cfg.Core.HTTPProxy == "" {
return client, nil
}
transport := &http.Transport{
DialTLS: DialTLS(nil),
Proxy: http.DefaultTransport.(*http.Transport).Proxy,
IdleConnTimeout: idleConnTimeout,
}
h2Transport, err := http2.ConfigureTransports(transport)
if err != nil {
return nil, err
}
configureHTTP2ConnHealthCheck(h2Transport)
client.HTTPClient.Transport = transport
return client, nil
}
func configureHTTP2ConnHealthCheck(h2Transport *http2.Transport) {
h2Transport.ReadIdleTimeout = 1 * time.Second
h2Transport.PingTimeout = 1 * time.Second
}
func iosAlertDictionary(notificationPayload *payload.Payload, req *PushNotification) *payload.Payload {
// Alert dictionary
if len(req.Title) > 0 {
notificationPayload.AlertTitle(req.Title)
}
if len(req.InterruptionLevel) > 0 {
notificationPayload.InterruptionLevel(payload.EInterruptionLevel(req.InterruptionLevel))
}
if len(req.Message) > 0 && len(req.Title) > 0 {
notificationPayload.AlertBody(req.Message)
}
if len(req.Alert.Title) > 0 {
notificationPayload.AlertTitle(req.Alert.Title)
}
// Apple Watch & Safari display this string as part of the notification interface.
if len(req.Alert.Subtitle) > 0 {
notificationPayload.AlertSubtitle(req.Alert.Subtitle)
}
if len(req.Alert.TitleLocKey) > 0 {
notificationPayload.AlertTitleLocKey(req.Alert.TitleLocKey)
}
if len(req.Alert.LocArgs) > 0 {
notificationPayload.AlertLocArgs(req.Alert.LocArgs)
}
if len(req.Alert.TitleLocArgs) > 0 {
notificationPayload.AlertTitleLocArgs(req.Alert.TitleLocArgs)
}
if len(req.Alert.Body) > 0 {
notificationPayload.AlertBody(req.Alert.Body)
}
if len(req.Alert.LaunchImage) > 0 {
notificationPayload.AlertLaunchImage(req.Alert.LaunchImage)
}
if len(req.Alert.LocKey) > 0 {
notificationPayload.AlertLocKey(req.Alert.LocKey)
}
if len(req.Alert.Action) > 0 {
notificationPayload.AlertAction(req.Alert.Action)
}
if len(req.Alert.ActionLocKey) > 0 {
notificationPayload.AlertActionLocKey(req.Alert.ActionLocKey)
}
// General
if len(req.Category) > 0 {
notificationPayload.Category(req.Category)
}
if len(req.Alert.SummaryArg) > 0 {
notificationPayload.AlertSummaryArg(req.Alert.SummaryArg)
}
if req.Alert.SummaryArgCount > 0 {
notificationPayload.AlertSummaryArgCount(req.Alert.SummaryArgCount)
}
return notificationPayload
}
// GetIOSNotification use for define iOS notification.
// The iOS Notification Payload (Payload Key Reference)
// Ref: https://apple.co/2VtH6Iu
func GetIOSNotification(req *PushNotification) *apns2.Notification {
notification := &apns2.Notification{
ApnsID: req.ApnsID,
Topic: req.Topic,
CollapseID: req.CollapseID,
}
if req.Expiration != nil {
notification.Expiration = time.Unix(*req.Expiration, 0)
}
if len(req.Priority) > 0 {
if req.Priority == "normal" {
notification.Priority = apns2.PriorityLow
} else if req.Priority == HIGH {
notification.Priority = apns2.PriorityHigh
}
}
if len(req.PushType) > 0 {
notification.PushType = apns2.EPushType(req.PushType)
}
payload := payload.NewPayload()
// add alert object if message length > 0 and title is empty
if len(req.Message) > 0 && req.Title == "" {
payload.Alert(req.Message)
}
// zero value for clear the badge on the app icon.
if req.Badge != nil && *req.Badge >= 0 {
payload.Badge(*req.Badge)
}
if req.MutableContent {
payload.MutableContent()
}
switch req.Sound.(type) {
// from http request binding
case map[string]interface{}:
result := &Sound{}
_ = mapstructure.Decode(req.Sound, &result)
payload.Sound(result)
// from http request binding for non critical alerts
case string:
payload.Sound(&req.Sound)
case Sound:
payload.Sound(&req.Sound)
}
if len(req.SoundName) > 0 {
payload.SoundName(req.SoundName)
}
if req.SoundVolume > 0 {
payload.SoundVolume(req.SoundVolume)
}
if req.ContentAvailable {
payload.ContentAvailable()
}
if len(req.URLArgs) > 0 {
payload.URLArgs(req.URLArgs)
}
if len(req.ThreadID) > 0 {
payload.ThreadID(req.ThreadID)
}
for k, v := range req.Data {
payload.Custom(k, v)
}
payload = iosAlertDictionary(payload, req)
notification.Payload = payload
return notification
}
func getApnsClient(cfg *config.ConfYaml, req *PushNotification) (client *apns2.Client) {
switch {
case req.Production:
client = ApnsClient.Production()
case req.Development:
client = ApnsClient.Development()
default:
if cfg.Ios.Production {
client = ApnsClient.Production()
} else {
client = ApnsClient.Development()
}
}
return
}
// PushToIOS provide send notification to APNs server.
func PushToIOS(req *PushNotification, cfg *config.ConfYaml) (resp *ResponsePush, err error) {
logx.LogAccess.Debug("Start push notification for iOS")
var (
retryCount = 0
maxRetry = cfg.Ios.MaxRetry
)
if req.Retry > 0 && req.Retry < maxRetry {
maxRetry = req.Retry
}
resp = &ResponsePush{}
Retry:
var newTokens []string
notification := GetIOSNotification(req)
client := getApnsClient(cfg, req)
var wg sync.WaitGroup
for _, token := range req.Tokens {
// occupy push slot
MaxConcurrentIOSPushes <- struct{}{}
wg.Add(1)
go func(notification apns2.Notification, token string) {
notification.DeviceToken = token
// send ios notification
res, err := client.Push(&notification)
if err != nil || (res != nil && res.StatusCode != http.StatusOK) {
if err == nil {
// error message:
// ref: https://github.com/sideshow/apns2/blob/master/response.go#L14-L65
err = errors.New(res.Reason)
}
// apns server error
errLog := logPush(cfg, core.FailedPush, token, req, err)
resp.Logs = append(resp.Logs, errLog)
status.StatStorage.AddIosError(1)
// We should retry only "retryable" statuses. More info about response:
// See https://apple.co/3AdNane (Handling Notification Responses from APNs)
if res != nil && res.StatusCode >= http.StatusInternalServerError {
newTokens = append(newTokens, token)
}
}
if res != nil && res.Sent() {
logPush(cfg, core.SucceededPush, token, req, nil)
status.StatStorage.AddIosSuccess(1)
}
// free push slot
<-MaxConcurrentIOSPushes
wg.Done()
}(*notification, token)
}
wg.Wait()
if len(newTokens) > 0 && retryCount < maxRetry {
retryCount++
// resend fail token
req.Tokens = newTokens
goto Retry
}
return resp, nil
}