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Philipp Heckel 2022-01-05 00:25:49 +01:00
commit 24eb27d41c
8 changed files with 194 additions and 20 deletions
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8
README.md
View file

@ -6,7 +6,8 @@
[![Tests](https://github.com/binwiederhier/ntfy/workflows/test/badge.svg)](https://github.com/binwiederhier/ntfy/actions)
[![Go Report Card](https://goreportcard.com/badge/github.com/binwiederhier/ntfy)](https://goreportcard.com/report/github.com/binwiederhier/ntfy)
[![codecov](https://codecov.io/gh/binwiederhier/ntfy/branch/main/graph/badge.svg?token=A597KQ463G)](https://codecov.io/gh/binwiederhier/ntfy)
[![Discord](https://img.shields.io/discord/874398661709295626)](https://discord.gg/cT7ECsZj9w)
[![Discord](https://img.shields.io/discord/874398661709295626?label=Discord)](https://discord.gg/cT7ECsZj9w)
[![Matrix](https://img.shields.io/matrix/ntfy:matrix.org?label=Matrix)](https://matrix.to/#/#ntfy:matrix.org)
[![Healthcheck](https://healthchecks.io/badge/68b65976-b3b0-4102-aec9-980921/kcoEgrLY.svg)](https://ntfy.statuspage.io/)
**ntfy** (pronounce: *notify*) is a simple HTTP-based [pub-sub](https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern) notification service.
@ -36,8 +37,9 @@ too.
I welcome any and all contributions. Just create a PR or an issue.
## Contact me
You can directly contact me **[on Discord](https://discord.gg/cT7ECsZj9w)**, or via the [GitHub issues](https://github.com/binwiederhier/ntfy/issues),
or find more contact information [on my website](https://heckel.io/about).
You can directly contact me **[on Discord](https://discord.gg/cT7ECsZj9w)** or [on Matrix](https://matrix.to/#/#ntfy:matrix.org)
(bridged from Discord), or via the [GitHub issues](https://github.com/binwiederhier/ntfy/issues), or find more contact information
[on my website](https://heckel.io/about).
## License
Made with ❤️ by [Philipp C. Heckel](https://heckel.io).

5
client/options.go
View file

@ -45,6 +45,11 @@ func WithDelay(delay string) PublishOption {
return WithHeader("X-Delay", delay)
}
// WithClick makes the notification action open the given URL as opposed to entering the detail view
func WithClick(url string) PublishOption {
return WithHeader("X-Click", url)
}
// WithEmail instructs the server to also send the message to the given e-mail address
func WithEmail(email string) PublishOption {
return WithHeader("X-Email", email)

6
cmd/publish.go
View file

@ -20,6 +20,7 @@ var cmdPublish = &cli.Command{
&cli.StringFlag{Name: "priority", Aliases: []string{"p"}, Usage: "priority of the message (1=min, 2=low, 3=default, 4=high, 5=max)"},
&cli.StringFlag{Name: "tags", Aliases: []string{"tag", "T"}, Usage: "comma separated list of tags and emojis"},
&cli.StringFlag{Name: "delay", Aliases: []string{"at", "in", "D"}, Usage: "delay/schedule message"},
&cli.StringFlag{Name: "click", Aliases: []string{"U"}, Usage: "URL to open when notification is clicked"},
&cli.StringFlag{Name: "email", Aliases: []string{"e-mail", "mail", "e"}, Usage: "also send to e-mail address"},
&cli.BoolFlag{Name: "no-cache", Aliases: []string{"C"}, Usage: "do not cache message server-side"},
&cli.BoolFlag{Name: "no-firebase", Aliases: []string{"F"}, Usage: "do not forward message to Firebase"},
@ -35,6 +36,7 @@ Examples:
ntfy pub --delay=10s delayed_topic Laterzz # Delay message by 10s
ntfy pub --at=8:30am delayed_topic Laterzz # Send message at 8:30am
ntfy pub -e phil@example.com alerts 'App is down!' # Also send email to phil@example.com
ntfy pub --click="https://reddit.com" redd 'New msg' # Opens Reddit when notification is clicked
ntfy trigger mywebhook # Sending without message, useful for webhooks
Please also check out the docs on publishing messages. Especially for the --tags and --delay options,
@ -56,6 +58,7 @@ func execPublish(c *cli.Context) error {
priority := c.String("priority")
tags := c.String("tags")
delay := c.String("delay")
click := c.String("click")
email := c.String("email")
noCache := c.Bool("no-cache")
noFirebase := c.Bool("no-firebase")
@ -78,6 +81,9 @@ func execPublish(c *cli.Context) error {
if delay != "" {
options = append(options, client.WithDelay(delay))
}
if click != "" {
options = append(options, client.WithClick(email))
}
if email != "" {
options = append(options, client.WithEmail(email))
}

68
docs/publish.md
View file

@ -592,6 +592,73 @@ Here's an example with a custom message, tags and a priority:
file_get_contents('https://ntfy.sh/mywebhook/publish?message=Webhook+triggered&priority=high&tags=warning,skull');
```
## Click action
You can define which URL to open when a notification is clicked. This may be useful if your notification is related
to a Zabbix alert or a transaction that you'd like to provide the deep-link for. Tapping the notification will open
the web browser (or the app) and open the website.
Here's an example that will open Reddit when the notification is clicked:
=== "Command line (curl)"
```
curl \
-d "New messages on Reddit" \
-H "Click: https://www.reddit.com/message/messages" \
ntfy.sh/reddit_alerts
```
=== "ntfy CLI"
```
ntfy publish \
--click="https://www.reddit.com/message/messages" \
reddit_alerts "New messages on Reddit"
```
=== "HTTP"
``` http
POST /reddit_alerts HTTP/1.1
Host: ntfy.sh
Click: https://www.reddit.com/message/messages
New messages on Reddit
```
=== "JavaScript"
``` javascript
fetch('https://ntfy.sh/reddit_alerts', {
method: 'POST',
body: 'New messages on Reddit',
headers: { 'Click': 'https://www.reddit.com/message/messages' }
})
```
=== "Go"
``` go
req, _ := http.NewRequest("POST", "https://ntfy.sh/reddit_alerts", strings.NewReader("New messages on Reddit"))
req.Header.Set("Click", "https://www.reddit.com/message/messages")
http.DefaultClient.Do(req)
```
=== "Python"
``` python
requests.post("https://ntfy.sh/reddit_alerts",
data="New messages on Reddit",
headers={ "Click": "https://www.reddit.com/message/messages" })
```
=== "PHP"
``` php-inline
file_get_contents('https://ntfy.sh/reddit_alerts', false, stream_context_create([
'http' => [
'method' => 'POST',
'header' =>
"Content-Type: text/plain\r\n" .
"Click: https://www.reddit.com/message/messages",
'content' => 'New messages on Reddit'
]
]));
```
## Send files + URLs
```
curl -T image.jpg ntfy.sh/howdy
@ -903,6 +970,7 @@ and can be passed as **HTTP headers** or **query parameters in the URL**. They a
| `X-Priority` | `Priority`, `prio`, `p` | [Message priority](#message-priority) |
| `X-Tags` | `Tags`, `Tag`, `ta` | [Tags and emojis](#tags-emojis) |
| `X-Delay` | `Delay`, `X-At`, `At`, `X-In`, `In` | Timestamp or duration for [delayed delivery](#scheduled-delivery) |
| `X-Click` | `Click` | URL to open when [notification is clicked](#click-action) |
| `X-Filename` | `Filename`, `file`, `f` | XXXXXXXXXXXXXXXX |
| `X-Email` | `X-E-Mail`, `Email`, `E-Mail`, `mail`, `e` | E-mail address for [e-mail notifications](#e-mail-notifications) |
| `X-Cache` | `Cache` | Allows disabling [message caching](#message-caching) |

29
server/cache_sqlite.go
View file

@ -22,6 +22,7 @@ const (
title TEXT NOT NULL,
priority INT NOT NULL,
tags TEXT NOT NULL,
click TEXT NOT NULL,
attachment_name TEXT NOT NULL,
attachment_type TEXT NOT NULL,
attachment_size INT NOT NULL,
@ -34,24 +35,24 @@ const (
COMMIT;
`
insertMessageQuery = `
INSERT INTO messages (id, time, topic, message, title, priority, tags, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_preview_url, attachment_url, published)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
INSERT INTO messages (id, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_preview_url, attachment_url, published)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
`
pruneMessagesQuery = `DELETE FROM messages WHERE time < ? AND published = 1`
selectMessagesSinceTimeQuery = `
SELECT id, time, topic, message, title, priority, tags, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_preview_url, attachment_url
SELECT id, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_preview_url, attachment_url
FROM messages
WHERE topic = ? AND time >= ? AND published = 1
ORDER BY time ASC
`
selectMessagesSinceTimeIncludeScheduledQuery = `
SELECT id, time, topic, message, title, priority, tags, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_preview_url, attachment_url
SELECT id, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_preview_url, attachment_url
FROM messages
WHERE topic = ? AND time >= ?
ORDER BY time ASC
`
selectMessagesDueQuery = `
SELECT id, time, topic, message, title, priority, tags, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_preview_url, attachment_url
SELECT id, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_preview_url, attachment_url
FROM messages
WHERE time <= ? AND published = 0
`
@ -91,11 +92,13 @@ const (
// 2 -> 3
migrate2To3AlterMessagesTableQuery = `
BEGIN;
ALTER TABLE messages ADD COLUMN attachment_name TEXT NOT NULL;
ALTER TABLE messages ADD COLUMN attachment_type TEXT NOT NULL;
ALTER TABLE messages ADD COLUMN attachment_size INT NOT NULL;
ALTER TABLE messages ADD COLUMN attachment_expires INT NOT NULL;
ALTER TABLE messages ADD COLUMN attachment_url TEXT NOT NULL;
ALTER TABLE messages ADD COLUMN click TEXT NOT NULL DEFAULT('');
ALTER TABLE messages ADD COLUMN attachment_name TEXT NOT NULL DEFAULT('');
ALTER TABLE messages ADD COLUMN attachment_type TEXT NOT NULL DEFAULT('');
ALTER TABLE messages ADD COLUMN attachment_size INT NOT NULL DEFAULT('0');
ALTER TABLE messages ADD COLUMN attachment_expires INT NOT NULL DEFAULT('0');
ALTER TABLE messages ADD COLUMN attachment_preview_url TEXT NOT NULL DEFAULT('');
ALTER TABLE messages ADD COLUMN attachment_url TEXT NOT NULL DEFAULT('');
COMMIT;
`
)
@ -144,6 +147,7 @@ func (c *sqliteCache) AddMessage(m *message) error {
m.Title,
m.Priority,
tags,
m.Click,
attachmentName,
attachmentType,
attachmentSize,
@ -234,8 +238,8 @@ func readMessages(rows *sql.Rows) ([]*message, error) {
for rows.Next() {
var timestamp, attachmentSize, attachmentExpires int64
var priority int
var id, topic, msg, title, tagsStr, attachmentName, attachmentType, attachmentPreviewURL, attachmentURL string
if err := rows.Scan(&id, &timestamp, &topic, &msg, &title, &priority, &tagsStr, &attachmentName, &attachmentType, &attachmentSize, &attachmentExpires, &attachmentPreviewURL, &attachmentURL); err != nil {
var id, topic, msg, title, tagsStr, click, attachmentName, attachmentType, attachmentPreviewURL, attachmentURL string
if err := rows.Scan(&id, &timestamp, &topic, &msg, &title, &priority, &tagsStr, &click, &attachmentName, &attachmentType, &attachmentSize, &attachmentExpires, &attachmentPreviewURL, &attachmentURL); err != nil {
return nil, err
}
var tags []string
@ -262,6 +266,7 @@ func readMessages(rows *sql.Rows) ([]*message, error) {
Title: title,
Priority: priority,
Tags: tags,
Click: click,
Attachment: att,
})
}

3
server/message.go
View file

@ -24,9 +24,10 @@ type message struct {
Topic string `json:"topic"`
Priority int `json:"priority,omitempty"`
Tags []string `json:"tags,omitempty"`
Click string `json:"click,omitempty"`
Attachment *attachment `json:"attachment,omitempty"`
Title string `json:"title,omitempty"`
Message string `json:"message,omitempty"`
Attachment *attachment `json:"attachment,omitempty"`
}
type attachment struct {

37
server/server.go
View file

@ -148,6 +148,7 @@ var (
const (
firebaseControlTopic = "~control" // See Android if changed
emptyMessageBody = "triggered"
fcmMessageLimit = 4000 // see maybeTruncateFCMMessage for details
)
// New instantiates a new Server. It creates the cache and adds a Firebase
@ -224,6 +225,7 @@ func createFirebaseSubscriber(conf *Config) (subscriber, error) {
"topic": m.Topic,
"priority": fmt.Sprintf("%d", m.Priority),
"tags": strings.Join(m.Tags, ","),
"click": m.Click,
"title": m.Title,
"message": m.Message,
}
@ -236,14 +238,40 @@ func createFirebaseSubscriber(conf *Config) (subscriber, error) {
data["attachment_url"] = m.Attachment.URL
}
}
_, err := msg.Send(context.Background(), &messaging.Message{
Topic: m.Topic,
Data: data,
})
var androidConfig *messaging.AndroidConfig
if m.Priority >= 4 {
androidConfig = &messaging.AndroidConfig{
Priority: "high",
}
}
_, err := msg.Send(context.Background(), maybeTruncateFCMMessage(&messaging.Message{
Topic: m.Topic,
Data: data,
Android: androidConfig,
}))
return err
}, nil
}
// maybeTruncateFCMMessage performs best-effort truncation of FCM messages.
// The docs say the limit is 4000 characters, but during testing it wasn't quite clear
// what fields matter; so we're just capping the serialized JSON to 4000 bytes.
func maybeTruncateFCMMessage(m *messaging.Message) *messaging.Message {
s, err := json.Marshal(m)
if err != nil {
return m
}
if len(s) > fcmMessageLimit {
over := len(s) - fcmMessageLimit + 16 // = len("truncated":"1",), sigh ...
message, ok := m.Data["message"]
if ok && len(message) > over {
m.Data["truncated"] = "1"
m.Data["message"] = message[:len(message)-over]
}
}
return m
}
// Run executes the main server. It listens on HTTP (+ HTTPS, if configured), and starts
// a manager go routine to print stats and prune messages.
func (s *Server) Run() error {
@ -514,6 +542,7 @@ func (s *Server) parsePublishParams(r *http.Request, m *message) (cache bool, fi
firebase = readParam(r, "x-firebase", "firebase") != "no"
email = readParam(r, "x-email", "x-e-mail", "email", "e-mail", "mail", "e")
m.Title = readParam(r, "x-title", "title", "t")
m.Click = readParam(r, "x-click", "click")
messageStr := readParam(r, "x-message", "message", "m")
if messageStr != "" {
m.Message = messageStr

58
server/server_test.go
View file

@ -4,6 +4,7 @@ import (
"bufio"
"context"
"encoding/json"
"firebase.google.com/go/messaging"
"fmt"
"github.com/stretchr/testify/require"
"net/http"
@ -582,6 +583,63 @@ func TestServer_UnifiedPushDiscovery(t *testing.T) {
require.Equal(t, `{"unifiedpush":{"version":1}}`+"\n", response.Body.String())
}
func TestServer_MaybeTruncateFCMMessage(t *testing.T) {
origMessage := strings.Repeat("this is a long string", 300)
origFCMMessage := &messaging.Message{
Topic: "mytopic",
Data: map[string]string{
"id": "abcdefg",
"time": "1641324761",
"event": "message",
"topic": "mytopic",
"priority": "0",
"tags": "",
"title": "",
"message": origMessage,
},
Android: &messaging.AndroidConfig{
Priority: "high",
},
}
origMessageLength := len(origFCMMessage.Data["message"])
serializedOrigFCMMessage, _ := json.Marshal(origFCMMessage)
require.Greater(t, len(serializedOrigFCMMessage), fcmMessageLimit) // Pre-condition
truncatedFCMMessage := maybeTruncateFCMMessage(origFCMMessage)
truncatedMessageLength := len(truncatedFCMMessage.Data["message"])
serializedTruncatedFCMMessage, _ := json.Marshal(truncatedFCMMessage)
require.Equal(t, fcmMessageLimit, len(serializedTruncatedFCMMessage))
require.Equal(t, "1", truncatedFCMMessage.Data["truncated"])
require.NotEqual(t, origMessageLength, truncatedMessageLength)
}
func TestServer_MaybeTruncateFCMMessage_NotTooLong(t *testing.T) {
origMessage := "not really a long string"
origFCMMessage := &messaging.Message{
Topic: "mytopic",
Data: map[string]string{
"id": "abcdefg",
"time": "1641324761",
"event": "message",
"topic": "mytopic",
"priority": "0",
"tags": "",
"title": "",
"message": origMessage,
},
}
origMessageLength := len(origFCMMessage.Data["message"])
serializedOrigFCMMessage, _ := json.Marshal(origFCMMessage)
require.LessOrEqual(t, len(serializedOrigFCMMessage), fcmMessageLimit) // Pre-condition
notTruncatedFCMMessage := maybeTruncateFCMMessage(origFCMMessage)
notTruncatedMessageLength := len(notTruncatedFCMMessage.Data["message"])
serializedNotTruncatedFCMMessage, _ := json.Marshal(notTruncatedFCMMessage)
require.Equal(t, origMessageLength, notTruncatedMessageLength)
require.Equal(t, len(serializedOrigFCMMessage), len(serializedNotTruncatedFCMMessage))
require.Equal(t, "", notTruncatedFCMMessage.Data["truncated"])
}
func newTestConfig(t *testing.T) *Config {
conf := NewConfig()
conf.CacheFile = filepath.Join(t.TempDir(), "cache.db")