lemmy/server/src/actions/user.rs

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use schema::user_;
use diesel::*;
use diesel::result::Error;
use schema::user_::dsl::*;
use serde::{Serialize, Deserialize};
use {Crud,is_email_regex};
use jsonwebtoken::{encode, decode, Header, Validation, TokenData};
use bcrypt::{DEFAULT_COST, hash};
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#[derive(Queryable, Identifiable, PartialEq, Debug)]
#[table_name="user_"]
pub struct User_ {
pub id: i32,
pub name: String,
pub fedi_name: String,
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pub preferred_username: Option<String>,
pub password_encrypted: String,
pub email: Option<String>,
pub icon: Option<Vec<u8>>,
pub admin: Option<bool>,
pub banned: Option<bool>,
pub published: chrono::NaiveDateTime,
pub updated: Option<chrono::NaiveDateTime>
}
#[derive(Insertable, AsChangeset, Clone)]
#[table_name="user_"]
pub struct UserForm {
pub name: String,
pub fedi_name: String,
pub preferred_username: Option<String>,
pub password_encrypted: String,
pub admin: Option<bool>,
pub banned: Option<bool>,
pub email: Option<String>,
pub updated: Option<chrono::NaiveDateTime>
}
impl Crud<UserForm> for User_ {
fn read(conn: &PgConnection, user_id: i32) -> Result<Self, Error> {
user_.find(user_id)
.first::<Self>(conn)
}
fn delete(conn: &PgConnection, user_id: i32) -> Result<usize, Error> {
diesel::delete(user_.find(user_id))
.execute(conn)
}
fn create(conn: &PgConnection, form: &UserForm) -> Result<Self, Error> {
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let mut edited_user = form.clone();
let password_hash = hash(&form.password_encrypted, DEFAULT_COST)
.expect("Couldn't hash password");
edited_user.password_encrypted = password_hash;
insert_into(user_)
.values(edited_user)
.get_result::<Self>(conn)
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}
fn update(conn: &PgConnection, user_id: i32, form: &UserForm) -> Result<Self, Error> {
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let mut edited_user = form.clone();
let password_hash = hash(&form.password_encrypted, DEFAULT_COST)
.expect("Couldn't hash password");
edited_user.password_encrypted = password_hash;
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diesel::update(user_.find(user_id))
.set(edited_user)
.get_result::<Self>(conn)
}
}
#[derive(Debug, Serialize, Deserialize)]
pub struct Claims {
pub id: i32,
pub username: String,
pub iss: String,
}
impl Claims {
pub fn decode(jwt: &str) -> Result<TokenData<Claims>, jsonwebtoken::errors::Error> {
let v = Validation {
validate_exp: false,
..Validation::default()
};
decode::<Claims>(&jwt, "secret".as_ref(), &v)
}
}
type Jwt = String;
impl User_ {
pub fn jwt(&self) -> Jwt {
let my_claims = Claims {
id: self.id,
username: self.name.to_owned(),
iss: "rrf".to_string() // TODO this should come from config file
};
encode(&Header::default(), &my_claims, "secret".as_ref()).unwrap()
}
pub fn find_by_email_or_username(conn: &PgConnection, username_or_email: &str) -> Result<Self, Error> {
if is_email_regex(username_or_email) {
user_.filter(email.eq(username_or_email))
.first::<User_>(conn)
} else {
user_.filter(name.eq(username_or_email))
.first::<User_>(conn)
}
}
pub fn find_by_jwt(conn: &PgConnection, jwt: &str) -> Result<Self, Error> {
let claims: Claims = Claims::decode(&jwt).expect("Invalid token").claims;
Self::read(&conn, claims.id)
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}
}
#[cfg(test)]
mod tests {
use establish_connection;
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use super::{User_, UserForm};
use Crud;
#[test]
fn test_crud() {
let conn = establish_connection();
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let new_user = UserForm {
name: "thommy".into(),
fedi_name: "rrf".into(),
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preferred_username: None,
password_encrypted: "nope".into(),
email: None,
admin: None,
banned: None,
updated: None
};
let inserted_user = User_::create(&conn, &new_user).unwrap();
let expected_user = User_ {
id: inserted_user.id,
name: "thommy".into(),
fedi_name: "rrf".into(),
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preferred_username: None,
password_encrypted: "$2y$12$YXpNpYsdfjmed.QlYLvw4OfTCgyKUnKHc/V8Dgcf9YcVKHPaYXYYy".into(),
email: None,
icon: None,
admin: Some(false),
banned: Some(false),
published: inserted_user.published,
updated: None
};
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let read_user = User_::read(&conn, inserted_user.id).unwrap();
let updated_user = User_::update(&conn, inserted_user.id, &new_user).unwrap();
let num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
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assert_eq!(expected_user.id, read_user.id);
assert_eq!(expected_user.id, inserted_user.id);
assert_eq!(expected_user.id, updated_user.id);
assert_eq!(1, num_deleted);
}
}