Implement configuration file

Abstract settings which commonly differ between instances to a YAML
based configuration file to allow for easy administration without the
need for modifying the source code.

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
This commit is contained in:
Georg Pfuetzenreuter 2024-09-21 16:06:04 +02:00
parent be1b15b6f9
commit 22b23c755e
Signed by: Georg
GPG Key ID: 1ED2F138E7E6FF57
5 changed files with 141 additions and 28 deletions

18
config.example.yaml Normal file
View File

@ -0,0 +1,18 @@
watbot:
server:
host: irc.casa # mandatory, no default
port: 6697
tls_verify: true
name: watest
nick: watest # nick is name by default
user: watest # user is nick by default
admins: # optional, no default
hosts:
- admin.example.com
ignores: # optional, no default
hosts:
- annoying.example.com
channels: # optional, no default
permitted:
- '#lucy'

5
go.mod
View File

@ -3,8 +3,11 @@ module git.circuitco.de/self/watbot
go 1.15
require (
github.com/creasty/defaults v1.8.0
github.com/go-irc/irc v2.1.0+incompatible
github.com/namsral/flag v1.7.4-pre
github.com/stretchr/testify v1.9.0 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
gopkg.in/yaml.v3 v3.0.1
gorm.io/driver/sqlite v1.1.4
gorm.io/gorm v1.20.11
)

26
go.sum
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@ -1,4 +1,8 @@
github.com/go-irc/irc v1.3.0 h1:IMD+d/+EzY51ecMLOz73r/NXTZrEp8khrePxRCvX71M=
github.com/creasty/defaults v1.8.0 h1:z27FJxCAa0JKt3utc0sCImAEb+spPucmKoOdLHvHYKk=
github.com/creasty/defaults v1.8.0/go.mod h1:iGzKe6pbEHnpMPtfDXZEr0NVxWnPTjb1bbDy08fPzYM=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-irc/irc v2.1.0+incompatible h1:pg7pMVq5OYQbqTxceByD/EN8VIsba7DtKn49rsCnG8Y=
github.com/go-irc/irc v2.1.0+incompatible/go.mod h1:jJILTRy8s/qOvusiKifAEfhQMVwft1ZwQaVJnnzmyX4=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
@ -7,8 +11,24 @@ github.com/jinzhu/now v1.1.1 h1:g39TucaRWyV3dwDO++eEc6qf8TVIQ/Da48WmqjZ3i7E=
github.com/jinzhu/now v1.1.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/mattn/go-sqlite3 v1.14.5 h1:1IdxlwTNazvbKJQSxoJ5/9ECbEeaTTyeU7sEAZ5KKTQ=
github.com/mattn/go-sqlite3 v1.14.5/go.mod h1:WVKg1VTActs4Qso6iwGbiFih2UIHo0ENGwNd0Lj+XmI=
github.com/namsral/flag v1.7.4-pre h1:b2ScHhoCUkbsq0d2C15Mv+VU8bl8hAXV8arnWiOHNZs=
github.com/namsral/flag v1.7.4-pre/go.mod h1:OXldTctbM6SWH1K899kPZcf65KxJiD7MsceFUpB5yDo=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gorm.io/driver/sqlite v1.1.4 h1:PDzwYE+sI6De2+mxAneV9Xs11+ZyKV6oxD3wDGkaNvM=
gorm.io/driver/sqlite v1.1.4/go.mod h1:mJCeTFr7+crvS+TRnWc5Z3UvwxUN1BGBLMrf5LA9DYw=
gorm.io/gorm v1.20.7/go.mod h1:0HFTzE/SqkGTzK6TlDPPQbAYCluiVvhzoA1+aVyzenw=

115
main.go
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@ -1,40 +1,111 @@
package main
import "fmt"
import "crypto/tls"
import (
"crypto/tls"
"errors"
"fmt"
"log"
"os"
import "github.com/go-irc/irc"
import "github.com/namsral/flag"
"flag"
"github.com/go-irc/irc"
import "git.circuitco.de/self/watbot/wat"
"git.circuitco.de/self/watbot/wat"
"github.com/creasty/defaults"
"gopkg.in/yaml.v3"
)
type Config struct {
Watbot watConfig `yaml:"watbot"`
}
type watConfig struct {
Nick string `yaml:"nick"`
Pass string `yaml:"pass"`
User string `yaml:"user"`
Name string `yaml:"name"`
Admins struct {
Hosts []string `yaml:"hosts"`
} `yaml:"admins"`
Channels struct {
Permitted []string `yaml:"permitted"`
} `yaml:"channels"`
Ignores struct {
Hosts []string `yaml:"hosts"`
} `yaml:"ignores"`
Server struct {
Host string `yaml:"host"`
Port int `default:"6697" yaml:"port"`
TlsVerify bool `default:"true" yaml:"tls_verify"`
} `yaml:"server"`
}
func readConfig(configPath string) (*watConfig, error) {
allConfig := Config{}
buffer, err := os.ReadFile(configPath)
if err != nil {
return nil, fmt.Errorf("Could not read configuration file: %s", err)
}
err = yaml.Unmarshal(buffer, &allConfig)
if err != nil {
return nil, fmt.Errorf("Could not parse configuration file: %s", err)
}
config := &allConfig.Watbot
defaults.Set(config)
if config.Server.Host == "" {
return nil, errors.New("Shall I play wattery to know where to connect to?")
}
if config.Name != "" && config.Nick == "" {
config.Nick = config.Name
}
if config.Nick != "" && config.User == "" {
config.User = config.Nick
}
if config.Name == "" || config.Nick == "" || config.User == "" {
return nil, errors.New("Don't know who I am.")
}
return config, nil
}
func main() {
pass := flag.String("pass", "", "password")
var configPathArg string
flag.StringVar(&configPathArg, "config", "config.yaml", "Path to configuration file")
flag.Parse()
fmt.Printf("PASS len %d\n", len(*pass))
config := irc.ClientConfig{
Nick: "watt",
Pass: *pass,
User: "wat",
Name: "wat",
log.Println("Starting with configuration:", configPathArg)
config, err := readConfig(configPathArg)
if err != nil {
log.Fatalln(err)
os.Exit(1)
}
ircConfig := irc.ClientConfig{
Nick: config.Nick,
Pass: config.Pass,
User: config.User,
Name: config.Name,
}
watConfig := wat.WatConfig{
PermittedChannels: []string{
"#lucy",
"#sweden",
},
IgnoredHosts: []string{
"tripsit/user/creatonez",
},
PermittedChannels: config.Channels.Permitted,
IgnoredHosts: config.Ignores.Hosts,
AdminHosts: config.Admins.Hosts,
}
tcpConf := &tls.Config{
InsecureSkipVerify: true,
InsecureSkipVerify: !config.Server.TlsVerify,
}
conn, err := tls.Dial("tcp", "127.0.0.1:6697", tcpConf)
conn, err := tls.Dial("tcp", fmt.Sprintf("%s:%d", config.Server.Host, config.Server.Port), tcpConf)
if err != nil {
fmt.Println("err " + err.Error())
return
}
wwat := wat.NewWatBot(&config, &watConfig, conn)
wwat := wat.NewWatBot(&ircConfig, &watConfig, conn)
wwat.Run()
}

View File

@ -18,8 +18,9 @@ type WatBot struct {
}
type WatConfig struct {
PermittedChannels []string
AdminHosts []string
IgnoredHosts []string
PermittedChannels []string
}
func NewWatBot(config *irc.ClientConfig, watConfig *WatConfig, serverConn *tls.Conn) *WatBot {
@ -45,7 +46,7 @@ func (w *WatBot) HandleIrcMsg(c *irc.Client, m *irc.Message) {
}
func (w *WatBot) Admin(m *irc.Message) bool {
admins := [2]string{"mph.monster", "cranberry.juice"}
admins := w.c.AdminHosts
for _, admin := range admins {
if m.Prefix.Host == admin {
return true