forked from appleboy/gorush
/
notification.go
495 lines (396 loc) · 12.3 KB
/
notification.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
package gorush
import (
"errors"
"fmt"
"github.com/google/go-gcm"
apns "github.com/sideshow/apns2"
"github.com/sideshow/apns2/certificate"
"github.com/sideshow/apns2/payload"
"net/http"
"net/url"
"path/filepath"
"time"
)
// D provide string array
type D map[string]interface{}
const (
// ApnsPriorityLow will tell APNs to send the push message at a time that takes
// into account power considerations for the device. Notifications with this
// priority might be grouped and delivered in bursts. They are throttled, and
// in some cases are not delivered.
ApnsPriorityLow = 5
// ApnsPriorityHigh will tell APNs to send the push message immediately.
// Notifications with this priority must trigger an alert, sound, or badge on
// the target device. It is an error to use this priority for a push
// notification that contains only the content-available key.
ApnsPriorityHigh = 10
)
// Alert is APNs payload
type Alert struct {
Action string `json:"action,omitempty"`
ActionLocKey string `json:"action-loc-key,omitempty"`
Body string `json:"body,omitempty"`
LaunchImage string `json:"launch-image,omitempty"`
LocArgs []string `json:"loc-args,omitempty"`
LocKey string `json:"loc-key,omitempty"`
Title string `json:"title,omitempty"`
TitleLocArgs []string `json:"title-loc-args,omitempty"`
TitleLocKey string `json:"title-loc-key,omitempty"`
}
// RequestPush support multiple notification request.
type RequestPush struct {
Notifications []PushNotification `json:"notifications" binding:"required"`
}
// PushNotification is single notification request
type PushNotification struct {
// Common
Tokens []string `json:"tokens" binding:"required"`
Platform int `json:"platform" binding:"required"`
Message string `json:"message" binding:"required"`
Title string `json:"title,omitempty"`
Priority string `json:"priority,omitempty"`
ContentAvailable bool `json:"content_available,omitempty"`
Sound string `json:"sound,omitempty"`
Data D `json:"data,omitempty"`
Retry int `json:"retry,omitempty"`
// Android
APIKey string `json:"api_key,omitempty"`
To string `json:"to,omitempty"`
CollapseKey string `json:"collapse_key,omitempty"`
DelayWhileIdle bool `json:"delay_while_idle,omitempty"`
TimeToLive *uint `json:"time_to_live,omitempty"`
RestrictedPackageName string `json:"restricted_package_name,omitempty"`
DryRun bool `json:"dry_run,omitempty"`
Notification gcm.Notification `json:"notification,omitempty"`
// iOS
Expiration int64 `json:"expiration,omitempty"`
ApnsID string `json:"apns_id,omitempty"`
Topic string `json:"topic,omitempty"`
Badge int `json:"badge,omitempty"`
Category string `json:"category,omitempty"`
URLArgs []string `json:"url-args,omitempty"`
Alert Alert `json:"alert,omitempty"`
}
// CheckMessage for check request message
func CheckMessage(req PushNotification) error {
var msg string
if req.Message == "" {
msg = "the message must not be empty"
LogAccess.Debug(msg)
return errors.New(msg)
}
if len(req.Tokens) == 0 {
msg = "the message must specify at least one registration ID"
LogAccess.Debug(msg)
return errors.New(msg)
}
if len(req.Tokens) == PlatFormIos && len(req.Tokens[0]) == 0 {
msg = "the token must not be empty"
LogAccess.Debug(msg)
return errors.New(msg)
}
if req.Platform == PlatFormAndroid && len(req.Tokens) > 1000 {
msg = "the message may specify at most 1000 registration IDs"
LogAccess.Debug(msg)
return errors.New(msg)
}
// ref: https://developers.google.com/cloud-messaging/http-server-ref
if req.Platform == PlatFormAndroid && req.TimeToLive != nil && (*req.TimeToLive < uint(0) || uint(2419200) < *req.TimeToLive) {
msg = "the message's TimeToLive field must be an integer " +
"between 0 and 2419200 (4 weeks)"
LogAccess.Debug(msg)
return errors.New(msg)
}
return nil
}
// SetProxy only working for GCM server.
func SetProxy(proxy string) error {
proxyURL, err := url.ParseRequestURI(proxy)
if err != nil {
return err
}
http.DefaultTransport = &http.Transport{Proxy: http.ProxyURL(proxyURL)}
LogAccess.Debug("Set http proxy as " + proxy)
return nil
}
// CheckPushConf provide check your yml config.
func CheckPushConf() error {
if !PushConf.Ios.Enabled && !PushConf.Android.Enabled {
return errors.New("Please enable iOS or Android config in yml config")
}
if PushConf.Ios.Enabled {
if PushConf.Ios.KeyPath == "" {
return errors.New("Missing iOS certificate path")
}
}
if PushConf.Android.Enabled {
if PushConf.Android.APIKey == "" {
return errors.New("Missing Android API Key")
}
}
return nil
}
// InitAPNSClient use for initialize APNs Client.
func InitAPNSClient() error {
if PushConf.Ios.Enabled {
var err error
ext := filepath.Ext(PushConf.Ios.KeyPath)
switch ext {
case ".p12":
CertificatePemIos, err = certificate.FromP12File(PushConf.Ios.KeyPath, PushConf.Ios.Password)
case ".pem":
CertificatePemIos, err = certificate.FromPemFile(PushConf.Ios.KeyPath, PushConf.Ios.Password)
default:
err = errors.New("Wrong Certificate key extension.")
}
if err != nil {
LogError.Error("Cert Error:", err.Error())
return err
}
if PushConf.Ios.Production {
ApnsClient = apns.NewClient(CertificatePemIos).Production()
} else {
ApnsClient = apns.NewClient(CertificatePemIos).Development()
}
}
return nil
}
// InitWorkers for initialize all workers.
func InitWorkers(workerNum int64, queueNum int64) {
LogAccess.Debug("worker number is ", workerNum, ", queue number is ", queueNum)
QueueNotification = make(chan PushNotification, queueNum)
for i := int64(0); i < workerNum; i++ {
go startWorker()
}
}
func startWorker() {
for {
notification := <-QueueNotification
switch notification.Platform {
case PlatFormIos:
PushToIOS(notification)
case PlatFormAndroid:
PushToAndroid(notification)
}
}
}
// queueNotification add notification to queue list.
func queueNotification(req RequestPush) int {
var count int
for _, notification := range req.Notifications {
switch notification.Platform {
case PlatFormIos:
if !PushConf.Ios.Enabled {
continue
}
case PlatFormAndroid:
if !PushConf.Android.Enabled {
continue
}
}
QueueNotification <- notification
count += len(notification.Tokens)
}
StatStorage.AddTotalCount(int64(count))
return count
}
func iosAlertDictionary(payload *payload.Payload, req PushNotification) *payload.Payload {
// Alert dictionary
if len(req.Title) > 0 {
payload.AlertTitle(req.Title)
}
if len(req.Alert.TitleLocKey) > 0 {
payload.AlertTitleLocKey(req.Alert.TitleLocKey)
}
if len(req.Alert.LocArgs) > 0 {
payload.AlertLocArgs(req.Alert.LocArgs)
}
if len(req.Alert.TitleLocArgs) > 0 {
payload.AlertTitleLocArgs(req.Alert.TitleLocArgs)
}
if len(req.Alert.Body) > 0 {
payload.AlertBody(req.Alert.Body)
}
if len(req.Alert.LaunchImage) > 0 {
payload.AlertLaunchImage(req.Alert.LaunchImage)
}
if len(req.Alert.LocKey) > 0 {
payload.AlertLocKey(req.Alert.LocKey)
}
if len(req.Alert.Action) > 0 {
payload.AlertAction(req.Alert.Action)
}
if len(req.Alert.ActionLocKey) > 0 {
payload.AlertActionLocKey(req.Alert.ActionLocKey)
}
// General
if len(req.Category) > 0 {
payload.Category(req.Category)
}
return payload
}
// GetIOSNotification use for define iOS notificaiton.
// The iOS Notification Payload
// ref: https://developer.apple.com/library/ios/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/Chapters/TheNotificationPayload.html
func GetIOSNotification(req PushNotification) *apns.Notification {
notification := &apns.Notification{
ApnsID: req.ApnsID,
Topic: req.Topic,
}
if req.Expiration > 0 {
notification.Expiration = time.Unix(req.Expiration, 0)
}
if len(req.Priority) > 0 && req.Priority == "normal" {
notification.Priority = apns.PriorityLow
}
payload := payload.NewPayload().Alert(req.Message)
if req.Badge > 0 {
payload.Badge(req.Badge)
}
if len(req.Sound) > 0 {
payload.Sound(req.Sound)
}
if req.ContentAvailable {
payload.ContentAvailable()
}
if len(req.URLArgs) > 0 {
payload.URLArgs(req.URLArgs)
}
for k, v := range req.Data {
payload.Custom(k, v)
}
payload = iosAlertDictionary(payload, req)
notification.Payload = payload
return notification
}
// PushToIOS provide send notification to APNs server.
func PushToIOS(req PushNotification) bool {
LogAccess.Debug("Start push notification for iOS")
var retryCount = 0
var maxRetry = PushConf.Ios.MaxRetry
if req.Retry > 0 && req.Retry < maxRetry {
maxRetry = req.Retry
}
Retry:
var isError = false
var newTokens []string
notification := GetIOSNotification(req)
for _, token := range req.Tokens {
notification.DeviceToken = token
// send ios notification
res, err := ApnsClient.Push(notification)
if err != nil {
// apns server error
LogPush(FailedPush, token, req, err)
StatStorage.AddIosError(1)
newTokens = append(newTokens, token)
isError = true
continue
}
if res.StatusCode != 200 {
// error message:
// ref: https://github.com/sideshow/apns2/blob/master/response.go#L14-L65
LogPush(FailedPush, token, req, errors.New(res.Reason))
StatStorage.AddIosError(1)
newTokens = append(newTokens, token)
isError = true
continue
}
if res.Sent() {
LogPush(SucceededPush, token, req, nil)
StatStorage.AddIosSuccess(1)
}
}
if isError == true && retryCount < maxRetry {
retryCount++
// resend fail token
req.Tokens = newTokens
goto Retry
}
return isError
}
// GetAndroidNotification use for define Android notificaiton.
// HTTP Connection Server Reference for Android
// https://developers.google.com/cloud-messaging/http-server-ref
func GetAndroidNotification(req PushNotification) gcm.HttpMessage {
notification := gcm.HttpMessage{
To: req.To,
CollapseKey: req.CollapseKey,
ContentAvailable: req.ContentAvailable,
DelayWhileIdle: req.DelayWhileIdle,
TimeToLive: req.TimeToLive,
RestrictedPackageName: req.RestrictedPackageName,
DryRun: req.DryRun,
}
notification.RegistrationIds = req.Tokens
if len(req.Priority) > 0 && req.Priority == "high" {
notification.Priority = "high"
}
// Add another field
if len(req.Data) > 0 {
notification.Data = make(map[string]interface{})
for k, v := range req.Data {
notification.Data[k] = v
}
}
notification.Notification = &req.Notification
// Set request message if body is empty
if len(notification.Notification.Body) == 0 {
notification.Notification.Body = req.Message
}
if len(req.Title) > 0 {
notification.Notification.Title = req.Title
}
if len(req.Sound) > 0 {
notification.Notification.Sound = req.Sound
}
return notification
}
// PushToAndroid provide send notification to Android server.
func PushToAndroid(req PushNotification) bool {
LogAccess.Debug("Start push notification for Android")
var APIKey string
var retryCount = 0
var maxRetry = PushConf.Android.MaxRetry
if req.Retry > 0 && req.Retry < maxRetry {
maxRetry = req.Retry
}
// check message
err := CheckMessage(req)
if err != nil {
LogError.Error("request error: " + err.Error())
return false
}
Retry:
var isError = false
notification := GetAndroidNotification(req)
if APIKey = PushConf.Android.APIKey; req.APIKey != "" {
APIKey = req.APIKey
}
res, err := gcm.SendHttp(APIKey, notification)
if err != nil {
// GCM server error
LogError.Error("GCM server error: " + err.Error())
return false
}
LogAccess.Debug(fmt.Sprintf("Android Success count: %d, Failure count: %d", res.Success, res.Failure))
StatStorage.AddAndroidSuccess(int64(res.Success))
StatStorage.AddAndroidError(int64(res.Failure))
var newTokens []string
for k, result := range res.Results {
if result.Error != "" {
isError = true
newTokens = append(newTokens, req.Tokens[k])
LogPush(FailedPush, req.Tokens[k], req, errors.New(result.Error))
continue
}
LogPush(SucceededPush, req.Tokens[k], req, nil)
}
if isError == true && retryCount < maxRetry {
retryCount++
// resend fail token
req.Tokens = newTokens
goto Retry
}
return true
}