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
|
package config
import (
"fmt"
"io/ioutil"
"os"
"os/user"
"runtime"
"runtime/debug"
"strings"
"github.com/Necoro/feed2imap-go/pkg/log"
"github.com/Necoro/feed2imap-go/pkg/util"
)
// Convenience type for the non-mapped configuration options
// Mostly used for legacy options
type Map map[string]interface{}
// Global options, not feed specific
type GlobalOptions struct {
Timeout int `yaml:"timeout"`
DefaultEmail string `yaml:"default-email"`
Target string `yaml:"target"`
Parts []string `yaml:"parts"`
}
// Default global options
var DefaultGlobalOptions = GlobalOptions{
Timeout: 30,
DefaultEmail: username() + "@" + hostname(),
Target: "",
Parts: []string{"text", "html"},
}
// Per feed options
type Options struct {
MinFreq *int `yaml:"min-frequency"`
InclImages *bool `yaml:"include-images"`
Disable *bool `yaml:"disable"`
IgnHash *bool `yaml:"ignore-hash"`
AlwaysNew *bool `yaml:"always-new"`
}
func (opt *Options) mergeFrom(other Options) {
if opt.MinFreq == nil {
opt.MinFreq = other.MinFreq
}
if opt.InclImages == nil {
opt.InclImages = other.InclImages
}
if opt.IgnHash == nil {
opt.IgnHash = other.IgnHash
}
if opt.AlwaysNew == nil {
opt.AlwaysNew = other.AlwaysNew
}
if opt.Disable == nil {
opt.Disable = other.Disable
}
}
// Default feed options
var DefaultFeedOptions Options
func init() {
one := 1
fal := false
DefaultFeedOptions = Options{
MinFreq: &one,
InclImages: &fal,
IgnHash: &fal,
AlwaysNew: &fal,
Disable: &fal,
}
}
// Config holds the global configuration options and the configured feeds
type Config struct {
GlobalOptions `yaml:",inline"`
GlobalConfig Map `yaml:",inline"`
FeedOptions Options `yaml:"options"`
Feeds Feeds `yaml:"-"`
}
// WithDefault returns a configuration initialized with default values.
func WithDefault() *Config {
return &Config{
GlobalOptions: DefaultGlobalOptions,
FeedOptions: DefaultFeedOptions,
GlobalConfig: Map{},
Feeds: Feeds{},
}
}
// Validates the configuration against common mistakes
func (cfg *Config) Validate() error {
if cfg.Target == "" {
return fmt.Errorf("No target set!")
}
return nil
}
// Marks whether 'text' part should be included in mails
func (cfg *Config) WithPartText() bool {
return util.StrContains(cfg.Parts, "text")
}
// Marks whether 'html' part should be included in mails
func (cfg *Config) WithPartHtml() bool {
return util.StrContains(cfg.Parts, "html")
}
// Current feed2imap version
func Version() string {
bi, ok := debug.ReadBuildInfo()
if !ok {
return "(unknown)"
}
return bi.Main.Version
}
// Load configuration from file
func Load(path string) (*Config, error) {
log.Printf("Reading configuration file '%s'", path)
buf, err := ioutil.ReadFile(path)
if err != nil {
return nil, fmt.Errorf("while reading '%s': %w", path, err)
}
cfg := WithDefault()
if err = cfg.parse(buf); err != nil {
return nil, fmt.Errorf("while parsing: %w", err)
}
cfg.pushFeedOptions()
return cfg, nil
}
func (cfg *Config) pushFeedOptions() {
for _, feed := range cfg.Feeds {
feed.Options.mergeFrom(cfg.FeedOptions)
}
}
func hostname() (hostname string) {
hostname, err := os.Hostname()
if err != nil {
hostname = "localhost"
}
return
}
func username() string {
u, err := user.Current()
switch {
case err != nil:
return "user"
case runtime.GOOS == "windows":
// the domain is attached -- remove it again
split := strings.Split(u.Username, "\\")
return split[len(split)-1]
default:
return u.Username
}
}
|
