1 extern crate lazy_static;
2 use config::{Config, ConfigError, Environment, File};
3 use serde::Deserialize;
7 static CONFIG_FILE_DEFAULTS: &str = "config/defaults.hjson";
8 static CONFIG_FILE: &str = "config/config.hjson";
10 #[derive(Debug, Deserialize)]
12 pub database: Database,
16 pub jwt_secret: String,
17 pub front_end_dir: String,
18 pub rate_limit: RateLimitConfig,
19 pub email: Option<EmailConfig>,
20 pub federation: Federation,
23 #[derive(Debug, Deserialize)]
24 pub struct RateLimitConfig {
26 pub message_per_second: i32,
28 pub post_per_second: i32,
30 pub register_per_second: i32,
33 #[derive(Debug, Deserialize)]
34 pub struct EmailConfig {
35 pub smtp_server: String,
36 pub smtp_login: Option<String>,
37 pub smtp_password: Option<String>,
38 pub smtp_from_address: String,
42 #[derive(Debug, Deserialize)]
52 #[derive(Debug, Deserialize)]
53 pub struct Federation {
55 pub followed_instances: String,
56 pub tls_enabled: bool,
60 static ref SETTINGS: Settings = {
61 match Settings::init() {
63 Err(e) => panic!("{}", e),
69 /// Reads config from the files and environment.
70 /// First, defaults are loaded from CONFIG_FILE_DEFAULTS, then these values can be overwritten
71 /// from CONFIG_FILE (optional). Finally, values from the environment (with prefix LEMMY) are
72 /// added to the config.
73 fn init() -> Result<Self, ConfigError> {
74 let mut s = Config::new();
76 s.merge(File::with_name(CONFIG_FILE_DEFAULTS))?;
78 s.merge(File::with_name(CONFIG_FILE).required(false))?;
80 // Add in settings from the environment (with a prefix of LEMMY)
81 // Eg.. `LEMMY_DEBUG=1 ./target/app` would set the `debug` key
82 // Note: we need to use double underscore here, because otherwise variables containing
83 // underscore cant be set from environmnet.
84 // https://github.com/mehcode/config-rs/issues/73
85 s.merge(Environment::with_prefix("LEMMY").separator("__"))?;
90 /// Returns the config as a struct.
91 pub fn get() -> &'static Self {
95 /// Returns the postgres connection url. If LEMMY_DATABASE_URL is set, that is used,
96 /// otherwise the connection url is generated from the config.
97 pub fn get_database_url(&self) -> String {
98 match env::var("LEMMY_DATABASE_URL") {
101 "postgres://{}:{}@{}:{}/{}",
103 self.database.password,
106 self.database.database
111 pub fn api_endpoint(&self) -> String {
112 format!("{}/api/v1", self.hostname)