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
|
package telegram
import (
"errors"
"fmt"
"net/url"
"strings"
"github.com/nicholas-fedor/shoutrrr/pkg/format"
"github.com/nicholas-fedor/shoutrrr/pkg/types"
)
// Scheme identifies this service in configuration URLs.
const (
Scheme = "telegram"
)
// ErrInvalidToken indicates an invalid Telegram token format or content.
var (
ErrInvalidToken = errors.New("invalid telegram token")
ErrNoChannelsDefined = errors.New("no channels defined in config URL")
)
// Config holds settings for the Telegram notification service.
type Config struct {
Token string `url:"user"`
Preview bool ` default:"Yes" desc:"If disabled, no web page preview will be displayed for URLs" key:"preview"`
Notification bool ` default:"Yes" desc:"If disabled, sends Message silently" key:"notification"`
ParseMode parseMode ` default:"None" desc:"How the text Message should be parsed" key:"parsemode"`
Chats []string ` desc:"Chat IDs or Channel names (using @channel-name)" key:"chats,channels"`
Title string ` default:"" desc:"Notification title, optionally set by the sender" key:"title"`
}
// Enums returns the fields that use an EnumFormatter for their values.
func (config *Config) Enums() map[string]types.EnumFormatter {
return map[string]types.EnumFormatter{
"ParseMode": ParseModes.Enum,
}
}
// GetURL generates a URL from the current configuration values.
func (config *Config) GetURL() *url.URL {
resolver := format.NewPropKeyResolver(config)
return config.getURL(&resolver)
}
// SetURL updates the configuration from a URL representation.
func (config *Config) SetURL(url *url.URL) error {
resolver := format.NewPropKeyResolver(config)
return config.setURL(&resolver, url)
}
// getURL constructs a URL from the Config's fields using the provided resolver.
func (config *Config) getURL(resolver types.ConfigQueryResolver) *url.URL {
tokenParts := strings.Split(config.Token, ":")
return &url.URL{
User: url.UserPassword(tokenParts[0], tokenParts[1]),
Host: Scheme,
Scheme: Scheme,
ForceQuery: true,
RawQuery: format.BuildQuery(resolver),
}
}
// setURL updates the Config from a URL using the provided resolver.
func (config *Config) setURL(resolver types.ConfigQueryResolver, url *url.URL) error {
password, _ := url.User.Password()
token := url.User.Username() + ":" + password
if url.String() != "telegram://dummy@dummy.com" {
if !IsTokenValid(token) {
return fmt.Errorf("%w: %s", ErrInvalidToken, token)
}
}
for key, vals := range url.Query() {
if err := resolver.Set(key, vals[0]); err != nil {
return fmt.Errorf("setting config property %q from URL query: %w", key, err)
}
}
if url.String() != "telegram://dummy@dummy.com" {
if len(config.Chats) < 1 {
return ErrNoChannelsDefined
}
}
config.Token = token
return nil
}
|
