hotfix: read soon-to-be deprecated env vars to avoid breakages like #114
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Aravinth Manivannan
parent
1310c22bed
commit
eb69e9aedc
1 changed files with 161 additions and 1 deletions
162
src/settings.rs
162
src/settings.rs
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@ -156,6 +156,33 @@ const ENV_VAR_CONFIG: [(&str, &str); 29] = [
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];
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const DEPRECATED_ENV_VARS: [(&str, &str); 23] = [
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("debug","MCAPTCHA_DEBUG"),
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("commercial","MCAPTCHA_COMMERCIAL"),
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("source_code", "MCAPTCHA_SOURCE_CODE"),
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("allow_registration", "MCAPTCHA_ALLOW_REGISTRATION"),
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("allow_demo", "MCAPTCHA_ALLOW_DEMO"),
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("redis.pool", "MCAPTCHA_REDIS_POOL"),
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("redis.url", "MCAPTCHA_REDIS_URL"),
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("server.port", "MCAPTCHA_SERVER_PORT"),
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("server.ip", "MCAPTCHA_SERVER_IP"),
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("server.domain", "MCAPTCHA_SERVER_DOMAIN"),
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("server.cookie_secret", "MCAPTCHA_SERVER_COOKIE_SECRET"),
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("server.proxy_has_tls", "MCAPTCHA_SERVER_PROXY_HAS_TLS"),
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("captcha.salt", "MCAPTCHA_CAPTCHA_SALT"),
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("captcha.gc", "MCAPTCHA_CAPTCHA_GC"),
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("captcha.default_difficulty_strategy.avg_traffic_difficulty", "MCAPTCHA_CAPTCHA_AVG_TRAFFIC_DIFFICULTY"),
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("captcha.default_difficulty_strategy.peak_sustainable_traffic_difficulty", "MCAPTCHA_CAPTCHA_PEAK_TRAFFIC_DIFFICULTY"),
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("captcha.default_difficulty_strategy.broke_my_site_traffic_difficulty", "MCAPTCHA_CAPTCHA_BROKE_MY_SITE_TRAFFIC"),
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("smtp.from", "MCAPTCHA_SMTP_FROM"),
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("smtp.reply", "MCAPTCHA_SMTP_REPLY_TO"),
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("smtp.url", "MCAPTCHA_SMTP_URL"),
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("smtp.username", "MCAPTCHA_SMTP_USERNAME"),
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("smtp.password", "MCAPTCHA_SMTP_PASSWORD"),
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("smtp.port", "MCAPTCHA_SMTP_PORT"),
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];
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#[cfg(not(tarpaulin_include))]
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impl Settings {
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pub fn new() -> Result<Self, ConfigError> {
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@ -210,6 +237,17 @@ impl Settings {
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}
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fn env_override(mut s: ConfigBuilder<DefaultState>) -> ConfigBuilder<DefaultState> {
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for (parameter, env_var_name) in DEPRECATED_ENV_VARS.iter() {
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if let Ok(val) = env::var(env_var_name) {
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log::warn!(
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"Found {env_var_name}. {env_var_name} will be deprecated soon. Please see https://github.com/mCaptcha/mCaptcha/blob/master/docs/CONFIGURATION.md for latest environment variable names"
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);
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s = s.set_override(parameter, val).unwrap();
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}
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}
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for (parameter, env_var_name) in ENV_VAR_CONFIG.iter() {
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if let Ok(val) = env::var(env_var_name) {
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log::debug!(
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@ -239,8 +277,10 @@ mod tests {
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use super::*;
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#[test]
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fn env_override_works() {
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fn deprecated_env_override_works() {
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use crate::tests::get_settings;
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let init_settings = get_settings();
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// so that it can be tested outside the macro (helper) too
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@ -249,6 +289,126 @@ mod tests {
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macro_rules! helper {
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($env:expr, $val:expr, $val_typed:expr, $($param:ident).+) => {
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println!("Setting env var {} to {} for test", $env, $val);
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env::set_var($env, $val);
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new_settings = get_settings();
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assert_eq!(new_settings.$($param).+, $val_typed);
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assert_ne!(new_settings.$($param).+, init_settings.$($param).+);
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env::remove_var($env);
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};
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($env:expr, $val:expr, $($param:ident).+) => {
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helper!($env, $val.to_string(), $val, $($param).+);
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};
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}
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/* top level */
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helper!("MCAPTCHA_DEBUG", !init_settings.debug, debug);
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helper!("MCAPTCHA_COMMERCIAL", !init_settings.commercial, commercial);
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helper!("MCAPTCHA_ALLOW_REGISTRATION", !init_settings.allow_registration, allow_registration);
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helper!("MCAPTCHA_ALLOW_DEMO", !init_settings.allow_demo, allow_demo);
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/* database_type */
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/* redis.url */
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let env = "MCAPTCHA_REDIS_URL";
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let val = "redis://redis.example.org";
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println!("Setting env var {} to {} for test", env, val);
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env::set_var(env, val);
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new_settings = get_settings();
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assert_eq!(new_settings.redis.as_ref().unwrap().url, val);
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assert_ne!(
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new_settings.redis.as_ref().unwrap().url,
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init_settings.redis.as_ref().unwrap().url
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);
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env::remove_var(env);
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/* redis.pool */
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let env = "MCAPTCHA_REDIS_POOL";
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let val = 999;
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println!("Setting env var {} to {} for test", env, val);
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env::set_var(env, val.to_string());
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new_settings = get_settings();
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assert_eq!(new_settings.redis.as_ref().unwrap().pool, val);
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assert_ne!(
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new_settings.redis.as_ref().unwrap().pool,
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init_settings.redis.as_ref().unwrap().pool
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);
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env::remove_var(env);
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helper!("PORT", 0, server.port);
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helper!("MCAPTCHA_SERVER_DOMAIN", "example.org", server.domain);
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helper!(
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"MCAPTCHA_SERVER_COOKIE_SECRET",
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"dafasdfsdf",
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server.cookie_secret
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);
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helper!("MCAPTCHA_SERVER_IP", "9.9.9.9", server.ip);
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helper!("MCAPTCHA_SERVER_PROXY_HAS_TLS", true, server.proxy_has_tls);
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/* captcha */
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helper!("MCAPTCHA_CAPTCHA_SALT", "foobarasdfasdf", captcha.salt);
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helper!("MCAPTCHA_CAPTCHA_GC", 500, captcha.gc);
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helper!(
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"MCAPTCHA_captcha_RUNNERS",
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"500",
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Some(500),
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captcha.runners
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);
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helper!(
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"MCAPTCHA_CAPTCHA_AVG_TRAFFIC_DIFFICULTY",
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999,
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captcha.default_difficulty_strategy.avg_traffic_difficulty
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);
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helper!("MCAPTCHA_CAPTCHA_PEAK_TRAFFIC_DIFFICULTY", 999 , captcha.default_difficulty_strategy.peak_sustainable_traffic_difficulty);
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helper!("MCAPTCHA_CAPTCHA_BROKE_MY_SITE_TRAFFIC", 999 , captcha.default_difficulty_strategy.broke_my_site_traffic_difficulty);
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/* SMTP */
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let vals = [
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"MCAPTCHA_SMTP_FROM",
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"MCAPTCHA_SMTP_REPLY_TO",
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"MCAPTCHA_SMTP_URL",
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"MCAPTCHA_SMTP_USERNAME",
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"MCAPTCHA_SMTP_PASSWORD",
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"MCAPTCHA_SMTP_PORT",
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];
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for env in vals.iter() {
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println!("Setting env var {} to {} for test", env, env);
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env::set_var(env, env);
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}
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let port = 9999;
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env::set_var("MCAPTCHA_SMTP_PORT", port.to_string());
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new_settings = get_settings();
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let smtp_new = new_settings.smtp.as_ref().unwrap();
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let smtp_old = init_settings.smtp.as_ref().unwrap();
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assert_eq!(smtp_new.from, "MCAPTCHA_SMTP_FROM");
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assert_eq!(smtp_new.reply, "MCAPTCHA_SMTP_REPLY_TO");
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assert_eq!(smtp_new.username, "MCAPTCHA_SMTP_USERNAME");
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assert_eq!(smtp_new.password, "MCAPTCHA_SMTP_PASSWORD");
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assert_eq!(smtp_new.port, port);
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assert_ne!(smtp_new, smtp_old);
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for env in vals.iter() {
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env::remove_var(env);
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}
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}
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#[test]
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fn env_override_works() {
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use crate::tests::get_settings;
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let init_settings = get_settings();
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// so that it can be tested outside the macro (helper) too
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let mut new_settings;
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macro_rules! helper {
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($env:expr, $val:expr, $val_typed:expr, $($param:ident).+) => {
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