mirror of
https://github.com/dani-garcia/vaultwarden
synced 2024-09-26 04:18:57 +02:00
272 lines
7.6 KiB
Rust
272 lines
7.6 KiB
Rust
use data_encoding::{BASE32, BASE64};
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use lettre_email::Email;
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use oath::{totp_raw_now, HashType};
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use rocket::Route;
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use rocket_contrib::json::Json;
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use serde_json;
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use serde_json::Value;
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use crate::api::core::two_factor::totp;
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use crate::api::core::two_factor::totp::validate_totp_code_with_time_step;
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use crate::api::{ApiResult, EmptyResult, JsonResult, JsonUpcase, NumberOrString, PasswordData};
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use crate::auth::Headers;
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use crate::db::{
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models::{TwoFactor, TwoFactorType, User},
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DbConn,
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};
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use crate::error::{Error, MapResult};
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use crate::{crypto, mail};
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const TOTP_TIME_STEP: u64 = 120;
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pub fn routes() -> Vec<Route> {
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routes![get_email, send_email_login, send_email, email,]
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}
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#[derive(Deserialize)]
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#[allow(non_snake_case)]
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struct SendEmailLoginData {
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Email: String,
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MasterPasswordHash: String,
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}
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// Does not require Bearer token
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#[post("/two-factor/send-email-login", data = "<data>")] // JsonResult
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fn send_email_login(data: JsonUpcase<SendEmailLoginData>, conn: DbConn) -> EmptyResult {
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let data: SendEmailLoginData = data.into_inner().data;
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use crate::db::models::User;
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// Get the user
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let mut user = match User::find_by_mail(&data.Email, &conn) {
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Some(user) => user,
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None => err!("Username or password is incorrect. Try again."),
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};
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// Check password
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if !user.check_valid_password(&data.MasterPasswordHash) {
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err!("Username or password is incorrect. Try again.")
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}
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let type_ = TwoFactorType::Email as i32;
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let mut twofactor = TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn)?;
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let twofactor_data = EmailTokenData::from_json(&twofactor.data)?;
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let decoded_key = totp::validate_decode_key(&twofactor_data.TotpSecret)?;
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let generated_token = totp_raw_now(&decoded_key, 6, 0, TOTP_TIME_STEP, &HashType::SHA1);
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let token_string = generated_token.to_string();
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mail::send_token(&twofactor_data.Email, &token_string)?;
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Ok(())
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}
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#[post("/two-factor/get-email", data = "<data>")]
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fn get_email(data: JsonUpcase<PasswordData>, headers: Headers, conn: DbConn) -> JsonResult {
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let data: PasswordData = data.into_inner().data;
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let user = headers.user;
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if !user.check_valid_password(&data.MasterPasswordHash) {
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err!("Invalid password");
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}
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let type_ = TwoFactorType::Email as i32;
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let enabled = match TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn) {
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Some(x) => x.enabled,
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_ => false,
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};
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Ok(Json(json!({// TODO check! FIX!
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"Email": user.email,
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"Enabled": enabled,
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"Object": "twoFactorEmail"
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})))
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}
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#[derive(Deserialize)]
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#[allow(non_snake_case)]
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struct SendEmailData {
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Email: String,
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// Email where 2FA codes will be sent to, can be different than user email account.
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MasterPasswordHash: String,
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}
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// Send a verification email to the specified email address to check whether it exists/belongs to user.
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#[post("/two-factor/send-email", data = "<data>")]
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fn send_email(data: JsonUpcase<SendEmailData>, headers: Headers, conn: DbConn) -> EmptyResult {
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use oath::{totp_raw_now, HashType};
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let data: SendEmailData = data.into_inner().data;
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let user = headers.user;
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if !user.check_valid_password(&data.MasterPasswordHash) {
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err!("Invalid password");
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}
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let type_ = TwoFactorType::Email as i32;
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// TODO: Delete previous email thing.
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match TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn) {
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Some(tf) => tf.delete(&conn),
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_ => Ok(()),
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};
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let secret = crypto::get_random(vec![0u8; 20]);
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let base32_secret = BASE32.encode(&secret);
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let twofactor_data = EmailTokenData::new(data.Email, base32_secret);
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// Uses EmailVerificationChallenge as type to show that it's not verified yet.
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let mut twofactor = TwoFactor::new(
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user.uuid,
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TwoFactorType::EmailVerificationChallenge,
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twofactor_data.to_json(),
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);
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twofactor.save(&conn)?;
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let generated_token = totp_raw_now(&secret, 6, 0, TOTP_TIME_STEP, &HashType::SHA1);
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let token_string = generated_token.to_string();
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mail::send_token(&twofactor_data.Email, &token_string)?;
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Ok(())
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}
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#[derive(Deserialize, Serialize)]
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#[allow(non_snake_case)]
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struct EmailData {
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Email: String,
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MasterPasswordHash: String,
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Token: String,
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}
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// Verify email used for 2FA email codes.
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#[put("/two-factor/email", data = "<data>")]
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fn email(data: JsonUpcase<EmailData>, headers: Headers, conn: DbConn) -> JsonResult {
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let data: EmailData = data.into_inner().data;
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let user = headers.user;
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if !user.check_valid_password(&data.MasterPasswordHash) {
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err!("Invalid password");
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}
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let token_u64 = match data.Token.parse::<u64>() {
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Ok(token) => token,
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_ => err!("Could not parse token"),
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};
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let type_ = TwoFactorType::EmailVerificationChallenge as i32;
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let mut twofactor = TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn)?;
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let email_data = EmailTokenData::from_json(&twofactor.data)?;
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totp::validate_totp_code_with_time_step(token_u64, &email_data.TotpSecret, TOTP_TIME_STEP)?;
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twofactor.atype = TwoFactorType::Email as i32;
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twofactor.save(&conn)?;
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Ok(Json(json!({
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"Email": email_data.Email,
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"Enabled": "true",
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"Object": "twoFactorEmail"
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})))
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}
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pub fn validate_email_code_str(code: &str, data: &str) -> EmptyResult {
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let totp_code: u64 = match code.parse() {
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Ok(code) => code,
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_ => err!("Email code is not a number"),
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};
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validate_email_code(totp_code, data)
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}
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pub fn validate_email_code(code: u64, data: &str) -> EmptyResult {
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let email_data = EmailTokenData::from_json(&data)?;
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let decoded_secret = match BASE32.decode(email_data.TotpSecret.as_bytes()) {
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Ok(s) => s,
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Err(_) => err!("Invalid email secret"),
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};
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let generated = totp_raw_now(&decoded_secret, 6, 0, TOTP_TIME_STEP, &HashType::SHA1);
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if generated != code {
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err!("Invalid email code");
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}
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Ok(())
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}
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#[derive(Serialize, Deserialize)]
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pub struct EmailTokenData {
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pub Email: String,
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pub TotpSecret: String,
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}
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impl EmailTokenData {
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pub fn new(email: String, secret: String) -> EmailTokenData {
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EmailTokenData {
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Email: email,
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TotpSecret: secret,
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}
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}
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pub fn to_json(&self) -> String {
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serde_json::to_string(&self).unwrap()
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}
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pub fn from_json(string: &str) -> Result<EmailTokenData, Error> {
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let res: Result<EmailTokenData, crate::serde_json::Error> = serde_json::from_str(&string);
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match res {
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Ok(x) => Ok(x),
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Err(_) => err!("Could not decode EmailTokenData from string"),
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}
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}
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}
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pub fn obscure_email(email: &str) -> String {
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let split: Vec<&str> = email.split("@").collect();
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let mut name = split[0].to_string();
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let domain = &split[1];
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let name_size = name.chars().count();
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let new_name = match name_size {
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1..=2 => "*".repeat(name_size),
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_ => {
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let stars = "*".repeat(name_size-2);
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name.truncate(2);
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format!("{}{}", name, stars)
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}
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};
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format!("{}@{}", new_name, &domain)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_obscure_email_long() {
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let email = "bytes@example.ext";
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let result = obscure_email(&email);
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// Only first two characters should be visible.
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assert_eq!(result, "by***@example.ext");
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}
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#[test]
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fn test_obscure_email_short() {
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let email = "by@example.ext";
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let result = obscure_email(&email);
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// If it's smaller than 3 characters it should only show asterisks.
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assert_eq!(result, "**@example.ext");
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}
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}
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