Monorepo for Tangled
tangled.org
tangled.org
1package config
2
3import (
4 "context"
5 "fmt"
6 "net"
7 "os"
8 "path"
9
10 "github.com/bluesky-social/indigo/atproto/syntax"
11 "github.com/sethvargo/go-envconfig"
12 "gopkg.in/yaml.v3"
13)
14
15type Config struct {
16 Dev bool `yaml:"dev"`
17 HostName string `yaml:"hostname"`
18 OwnerDid syntax.DID `yaml:"owner_did"`
19 ListenHost string `yaml:"listen_host"`
20 ListenPort string `yaml:"listen_port"`
21 DataDir string `yaml:"data_dir"`
22 RepoDir string `yaml:"repo_dir"`
23 PlcUrl string `yaml:"plc_url"`
24 JetstreamEndpoint string `yaml:"jetstream_endpoint"`
25 AppviewEndpoint string `yaml:"appview_endpoint"`
26 GitUserName string `yaml:"git_user_name"`
27 GitUserEmail string `yaml:"git_user_email"`
28 OAuth OAuthConfig
29}
30
31type OAuthConfig struct {
32 CookieSecret string `env:"KNOT2_COOKIE_SECRET, default=00000000000000000000000000000000"`
33 ClientSecret string `env:"KNOT2_OAUTH_CLIENT_SECRET"`
34 ClientKid string `env:"KNOT2_OAUTH_CLIENT_KID"`
35}
36
37func (c *Config) Uri() string {
38 // TODO: make port configurable
39 if c.Dev {
40 return "http://127.0.0.1:6444"
41 }
42 return "https://" + c.HostName
43}
44
45func (c *Config) ListenAddr() string {
46 return net.JoinHostPort(c.ListenHost, c.ListenPort)
47}
48
49func (c *Config) DbPath() string {
50 return path.Join(c.DataDir, "knot.db")
51}
52
53func (c *Config) GitMotdFilePath() string {
54 return path.Join(c.DataDir, "motd")
55}
56
57func (c *Config) Validate() error {
58 if c.HostName == "" {
59 return fmt.Errorf("knot hostname cannot be empty")
60 }
61 if c.OwnerDid == "" {
62 return fmt.Errorf("knot owner did cannot be empty")
63 }
64 return nil
65}
66
67func Load(ctx context.Context, path string) (Config, error) {
68 // NOTE: yaml.v3 package doesn't support "default" struct tag
69 cfg := Config{
70 Dev: true,
71 ListenHost: "0.0.0.0",
72 ListenPort: "5555",
73 DataDir: "/home/git",
74 RepoDir: "/home/git",
75 PlcUrl: "https://plc.directory",
76 JetstreamEndpoint: "wss://jetstream1.us-west.bsky.network/subscribe",
77 AppviewEndpoint: "https://tangled.org",
78 GitUserName: "Tangled",
79 GitUserEmail: "noreply@tangled.org",
80 }
81 // load config from env vars
82 err := envconfig.Process(ctx, &cfg.OAuth)
83 if err != nil {
84 return cfg, err
85 }
86
87 // load config from toml config file
88 bytes, err := os.ReadFile(path)
89 if err != nil {
90 return cfg, err
91 }
92 if err := yaml.Unmarshal(bytes, &cfg); err != nil {
93 return cfg, err
94 }
95
96 // validate the config
97 if err = cfg.Validate(); err != nil {
98 return cfg, err
99 }
100 return cfg, nil
101}