mirror of https://github.com/LemmyNet/lemmy.git
257 lines
7.3 KiB
Rust
257 lines
7.3 KiB
Rust
#![recursion_limit = "512"]
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#[macro_use]
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pub extern crate strum_macros;
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#[macro_use]
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pub extern crate lazy_static;
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#[macro_use]
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pub extern crate failure;
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#[macro_use]
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pub extern crate diesel;
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pub extern crate actix;
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pub extern crate actix_web;
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pub extern crate bcrypt;
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pub extern crate chrono;
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pub extern crate crypto;
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pub extern crate dotenv;
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pub extern crate jsonwebtoken;
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pub extern crate lettre;
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pub extern crate lettre_email;
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pub extern crate rand;
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pub extern crate regex;
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pub extern crate serde;
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pub extern crate serde_json;
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pub extern crate strum;
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pub mod api;
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pub mod apub;
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pub mod db;
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pub mod feeds;
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pub mod nodeinfo;
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pub mod schema;
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pub mod version;
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pub mod websocket;
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use chrono::{DateTime, NaiveDateTime, Utc};
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use dotenv::dotenv;
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use lettre::smtp::authentication::{Credentials, Mechanism};
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use lettre::smtp::extension::ClientId;
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use lettre::smtp::ConnectionReuseParameters;
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use lettre::{SmtpClient, Transport};
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use lettre_email::Email;
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use rand::distributions::Alphanumeric;
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use rand::{thread_rng, Rng};
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use regex::Regex;
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use std::env;
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use std::net::IpAddr;
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pub struct Settings {
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pub db_url: String,
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pub hostname: String,
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pub bind: IpAddr,
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pub port: u16,
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pub jwt_secret: String,
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pub rate_limit_message: i32,
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pub rate_limit_message_per_second: i32,
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pub rate_limit_post: i32,
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pub rate_limit_post_per_second: i32,
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pub rate_limit_register: i32,
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pub rate_limit_register_per_second: i32,
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pub email_config: Option<EmailConfig>,
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}
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pub struct EmailConfig {
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smtp_server: String,
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smtp_login: String,
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smtp_password: String,
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smtp_from_address: String,
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}
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impl Settings {
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pub fn get() -> Self {
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dotenv().ok();
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let email_config =
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if env::var("SMTP_SERVER").is_ok() && !env::var("SMTP_SERVER").unwrap().eq("") {
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Some(EmailConfig {
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smtp_server: env::var("SMTP_SERVER").expect("SMTP_SERVER must be set"),
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smtp_login: env::var("SMTP_LOGIN").expect("SMTP_LOGIN must be set"),
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smtp_password: env::var("SMTP_PASSWORD").expect("SMTP_PASSWORD must be set"),
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smtp_from_address: env::var("SMTP_FROM_ADDRESS").expect("SMTP_FROM_ADDRESS must be set"),
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})
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} else {
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None
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};
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Settings {
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db_url: env::var("DATABASE_URL").expect("DATABASE_URL must be set"),
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hostname: env::var("HOSTNAME").unwrap_or("rrr".to_string()),
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bind: env::var("BIND")
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.unwrap_or("0.0.0.0".to_string())
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.parse()
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.unwrap(),
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port: env::var("PORT")
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.unwrap_or("8536".to_string())
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.parse()
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.unwrap(),
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jwt_secret: env::var("JWT_SECRET").unwrap_or("changeme".to_string()),
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rate_limit_message: env::var("RATE_LIMIT_MESSAGE")
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.unwrap_or("30".to_string())
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.parse()
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.unwrap(),
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rate_limit_message_per_second: env::var("RATE_LIMIT_MESSAGE_PER_SECOND")
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.unwrap_or("60".to_string())
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.parse()
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.unwrap(),
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rate_limit_post: env::var("RATE_LIMIT_POST")
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.unwrap_or("3".to_string())
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.parse()
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.unwrap(),
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rate_limit_post_per_second: env::var("RATE_LIMIT_POST_PER_SECOND")
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.unwrap_or("600".to_string())
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.parse()
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.unwrap(),
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rate_limit_register: env::var("RATE_LIMIT_REGISTER")
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.unwrap_or("1".to_string())
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.parse()
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.unwrap(),
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rate_limit_register_per_second: env::var("RATE_LIMIT_REGISTER_PER_SECOND")
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.unwrap_or("3600".to_string())
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.parse()
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.unwrap(),
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email_config: email_config,
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}
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}
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fn api_endpoint(&self) -> String {
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format!("{}/api/v1", self.hostname)
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}
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}
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pub fn to_datetime_utc(ndt: NaiveDateTime) -> DateTime<Utc> {
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DateTime::<Utc>::from_utc(ndt, Utc)
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}
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pub fn naive_now() -> NaiveDateTime {
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chrono::prelude::Utc::now().naive_utc()
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}
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pub fn naive_from_unix(time: i64) -> NaiveDateTime {
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NaiveDateTime::from_timestamp(time, 0)
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}
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pub fn is_email_regex(test: &str) -> bool {
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EMAIL_REGEX.is_match(test)
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}
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pub fn remove_slurs(test: &str) -> String {
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SLUR_REGEX.replace_all(test, "*removed*").to_string()
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}
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pub fn has_slurs(test: &str) -> bool {
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SLUR_REGEX.is_match(test)
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}
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pub fn extract_usernames(test: &str) -> Vec<&str> {
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let mut matches: Vec<&str> = USERNAME_MATCHES_REGEX
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.find_iter(test)
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.map(|mat| mat.as_str())
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.collect();
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// Unique
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matches.sort_unstable();
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matches.dedup();
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// Remove /u/
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matches.iter().map(|t| &t[3..]).collect()
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}
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pub fn generate_random_string() -> String {
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thread_rng().sample_iter(&Alphanumeric).take(30).collect()
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}
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pub fn send_email(
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subject: &str,
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to_email: &str,
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to_username: &str,
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html: &str,
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) -> Result<(), String> {
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let email_config = Settings::get().email_config.ok_or("no_email_setup")?;
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let email = Email::builder()
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.to((to_email, to_username))
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.from((
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email_config.smtp_login.to_owned(),
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email_config.smtp_from_address,
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))
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.subject(subject)
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.html(html)
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.build()
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.unwrap();
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let mut mailer = SmtpClient::new_simple(&email_config.smtp_server)
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.unwrap()
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.hello_name(ClientId::Domain("localhost".to_string()))
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.credentials(Credentials::new(
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email_config.smtp_login.to_owned(),
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email_config.smtp_password.to_owned(),
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))
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.smtp_utf8(true)
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.authentication_mechanism(Mechanism::Plain)
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.connection_reuse(ConnectionReuseParameters::ReuseUnlimited)
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.transport();
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let result = mailer.send(email.into());
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match result {
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Ok(_) => Ok(()),
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Err(_) => Err("no_email_setup".to_string()),
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::{extract_usernames, has_slurs, is_email_regex, remove_slurs, Settings};
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#[test]
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fn test_api() {
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assert_eq!(Settings::get().api_endpoint(), "rrr/api/v1");
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}
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#[test]
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fn test_email() {
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assert!(is_email_regex("gush@gmail.com"));
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assert!(!is_email_regex("nada_neutho"));
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}
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#[test]
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fn test_slur_filter() {
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let test =
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"coons test dindu ladyboy tranny retardeds. This is a bunch of other safe text.".to_string();
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let slur_free = "No slurs here";
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assert_eq!(
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remove_slurs(&test),
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"*removed* test *removed* *removed* *removed* *removed*. This is a bunch of other safe text."
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.to_string()
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);
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assert!(has_slurs(&test));
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assert!(!has_slurs(slur_free));
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}
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#[test]
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fn test_extract_usernames() {
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let usernames = extract_usernames("this is a user mention for [/u/testme](/u/testme) and thats all. Oh [/u/another](/u/another) user. And the first again [/u/testme](/u/testme) okay");
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let expected = vec!["another", "testme"];
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assert_eq!(usernames, expected);
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}
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// #[test]
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// fn test_send_email() {
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// let result = send_email("not a subject", "test_email@gmail.com", "ur user", "<h1>HI there</h1>");
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// assert!(result.is_ok());
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// }
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}
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lazy_static! {
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static ref EMAIL_REGEX: Regex = Regex::new(r"^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$").unwrap();
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static ref SLUR_REGEX: Regex = Regex::new(r"(fag(g|got|tard)?|maricos?|cock\s?sucker(s|ing)?|nig(\b|g?(a|er)?s?)\b|dindu(s?)|mudslime?s?|kikes?|mongoloids?|towel\s*heads?|\bspi(c|k)s?\b|\bchinks?|niglets?|beaners?|\bnips?\b|\bcoons?\b|jungle\s*bunn(y|ies?)|jigg?aboo?s?|\bpakis?\b|rag\s*heads?|gooks?|cunts?|bitch(es|ing|y)?|puss(y|ies?)|twats?|feminazis?|whor(es?|ing)|\bslut(s|t?y)?|\btrann?(y|ies?)|ladyboy(s?)|\b(b|re|r)tard(ed)?s?)").unwrap();
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static ref USERNAME_MATCHES_REGEX: Regex = Regex::new(r"/u/[a-zA-Z][0-9a-zA-Z_]*").unwrap();
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}
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