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use crate::{location_info, settings::structs::Settings, LemmyError};
use anyhow::{anyhow, Context};
use deser_hjson::from_str;
use regex::{Regex, RegexBuilder};
use std::{env, fs, io::Error, sync::RwLock};
pub mod structs;
static DEFAULT_CONFIG_FILE: &str = "config/config.hjson";
lazy_static! {
static ref SETTINGS: RwLock<Settings> =
RwLock::new(Settings::init().expect("Failed to load settings file"));
}
impl Settings {
pub fn init() -> Result<Self, LemmyError> {
let mut config = from_str::<Settings>(&Self::read_config_file()?)?;
if config.hostname == "unset" {
return Err(anyhow!("Hostname variable is not set!").into());
}
config.webfinger_community_regex = Some(
Regex::new(&format!("^group:([a-z0-9_]{{3,}})@{}$", config.hostname))
.expect("compile webfinger regex"),
);
config.webfinger_username_regex = Some(
Regex::new(&format!("^acct:([a-z0-9_]{{3,}})@{}$", config.hostname))
.expect("compile webfinger regex"),
);
Ok(config)
}
pub fn get() -> Self {
SETTINGS.read().expect("read config").to_owned()
}
pub fn get_database_url(&self) -> String {
let conf = &self.database;
format!(
"postgres://{}:{}@{}:{}/{}",
conf.user, conf.password, conf.host, conf.port, conf.database,
)
}
pub fn get_config_location() -> String {
env::var("LEMMY_CONFIG_LOCATION").unwrap_or_else(|_| DEFAULT_CONFIG_FILE.to_string())
}
pub fn read_config_file() -> Result<String, Error> {
fs::read_to_string(Self::get_config_location())
}
pub fn get_protocol_string(&self) -> &'static str {
if self.tls_enabled {
"https"
} else {
"http"
}
}
pub fn get_protocol_and_hostname(&self) -> String {
format!("{}://{}", self.get_protocol_string(), self.hostname)
}
pub fn get_hostname_without_port(&self) -> Result<String, anyhow::Error> {
Ok(
self
.hostname
.split(':')
.collect::<Vec<&str>>()
.first()
.context(location_info!())?
.to_string(),
)
}
pub fn save_config_file(data: &str) -> Result<String, LemmyError> {
fs::write(Settings::get_config_location(), data)?;
let mut new_settings = SETTINGS.write().expect("write config");
*new_settings = match Settings::init() {
Ok(c) => c,
Err(e) => panic!("{}", e),
};
Ok(Self::read_config_file()?)
}
pub fn webfinger_community_regex(&self) -> Regex {
self
.webfinger_community_regex
.to_owned()
.expect("compile webfinger regex")
}
pub fn webfinger_username_regex(&self) -> Regex {
self
.webfinger_username_regex
.to_owned()
.expect("compile webfinger regex")
}
pub fn slur_regex(&self) -> Regex {
let mut slurs = r"(fag(g|got|tard)?\b|cock\s?sucker(s|ing)?|ni((g{2,}|q)+|[gq]{2,})[e3r]+(s|z)?|mudslime?s?|kikes?|\bspi(c|k)s?\b|\bchinks?|gooks?|bitch(es|ing|y)?|whor(es?|ing)|\btr(a|@)nn?(y|ies?)|\b(b|re|r)tard(ed)?s?)".to_string();
if let Some(additional_slurs) = &self.additional_slurs {
slurs.push('|');
slurs.push_str(additional_slurs);
};
RegexBuilder::new(&slurs)
.case_insensitive(true)
.build()
.expect("compile regex")
}
}