1 use crate::PerformCrud;
2 use activitypub_federation::http_signatures::generate_actor_keypair;
3 use actix_web::web::Data;
4 use lemmy_api_common::{
6 person::{LoginResponse, Register},
9 generate_local_apub_endpoint,
10 generate_shared_inbox_url,
12 local_site_to_slur_regex,
13 password_length_check,
14 send_new_applicant_email_to_admins,
15 send_verification_email,
19 use lemmy_db_schema::{
20 aggregates::structs::PersonAggregates,
22 captcha_answer::{CaptchaAnswer, CheckCaptchaAnswer},
23 local_user::{LocalUser, LocalUserInsertForm},
24 person::{Person, PersonInsertForm},
25 registration_application::{RegistrationApplication, RegistrationApplicationInsertForm},
30 use lemmy_db_views::structs::{LocalUserView, SiteView};
33 error::{LemmyError, LemmyErrorExt, LemmyErrorType},
35 slurs::{check_slurs, check_slurs_opt},
36 validation::is_valid_actor_name,
40 #[async_trait::async_trait(?Send)]
41 impl PerformCrud for Register {
42 type Response = LoginResponse;
44 #[tracing::instrument(skip(self, context))]
45 async fn perform(&self, context: &Data<LemmyContext>) -> Result<LoginResponse, LemmyError> {
46 let data: &Register = self;
48 let site_view = SiteView::read_local(context.pool()).await?;
49 let local_site = site_view.local_site;
50 let require_registration_application =
51 local_site.registration_mode == RegistrationMode::RequireApplication;
53 if local_site.registration_mode == RegistrationMode::Closed {
54 return Err(LemmyErrorType::RegistrationClosed)?;
57 password_length_check(&data.password)?;
58 honeypot_check(&data.honeypot)?;
60 if local_site.require_email_verification && data.email.is_none() {
61 return Err(LemmyErrorType::EmailRequired)?;
64 if local_site.site_setup && require_registration_application && data.answer.is_none() {
65 return Err(LemmyErrorType::RegistrationApplicationAnswerRequired)?;
68 // Make sure passwords match
69 if data.password != data.password_verify {
70 return Err(LemmyErrorType::PasswordsDoNotMatch)?;
73 if local_site.site_setup && local_site.captcha_enabled {
74 if let Some(captcha_uuid) = &data.captcha_uuid {
75 let uuid = uuid::Uuid::parse_str(captcha_uuid)?;
76 let check = CaptchaAnswer::check_captcha(
80 answer: data.captcha_answer.clone().unwrap_or_default(),
85 return Err(LemmyErrorType::CaptchaIncorrect)?;
88 return Err(LemmyErrorType::CaptchaIncorrect)?;
92 let slur_regex = local_site_to_slur_regex(&local_site);
93 check_slurs(&data.username, &slur_regex)?;
94 check_slurs_opt(&data.answer, &slur_regex)?;
96 let actor_keypair = generate_actor_keypair()?;
97 is_valid_actor_name(&data.username, local_site.actor_name_max_length as usize)?;
98 let actor_id = generate_local_apub_endpoint(
101 &context.settings().get_protocol_and_hostname(),
104 if let Some(email) = &data.email {
105 if LocalUser::is_email_taken(context.pool(), email).await? {
106 return Err(LemmyErrorType::EmailAlreadyExists)?;
110 // We have to create both a person, and local_user
112 // Register the new person
113 let person_form = PersonInsertForm::builder()
114 .name(data.username.clone())
115 .actor_id(Some(actor_id.clone()))
116 .private_key(Some(actor_keypair.private_key))
117 .public_key(actor_keypair.public_key)
118 .inbox_url(Some(generate_inbox_url(&actor_id)?))
119 .shared_inbox_url(Some(generate_shared_inbox_url(&actor_id)?))
120 // If its the initial site setup, they are an admin
121 .admin(Some(!local_site.site_setup))
122 .instance_id(site_view.site.instance_id)
126 let inserted_person = Person::create(context.pool(), &person_form)
128 .with_lemmy_type(LemmyErrorType::UserAlreadyExists)?;
130 // Automatically set their application as accepted, if they created this with open registration.
131 // Also fixes a bug which allows users to log in when registrations are changed to closed.
132 let accepted_application = Some(!require_registration_application);
134 // Create the local user
135 let local_user_form = LocalUserInsertForm::builder()
136 .person_id(inserted_person.id)
137 .email(data.email.as_deref().map(str::to_lowercase))
138 .password_encrypted(data.password.to_string())
139 .show_nsfw(Some(data.show_nsfw))
140 .accepted_application(accepted_application)
143 let inserted_local_user = LocalUser::create(context.pool(), &local_user_form).await?;
145 if local_site.site_setup && require_registration_application {
146 // Create the registration application
147 let form = RegistrationApplicationInsertForm {
148 local_user_id: inserted_local_user.id,
149 // We already made sure answer was not null above
150 answer: data.answer.clone().expect("must have an answer"),
153 RegistrationApplication::create(context.pool(), &form).await?;
157 if local_site.application_email_admins {
158 send_new_applicant_email_to_admins(&data.username, context.pool(), context.settings())
162 let mut login_response = LoginResponse {
164 registration_created: false,
165 verify_email_sent: false,
168 // Log the user in directly if the site is not setup, or email verification and application aren't required
169 if !local_site.site_setup
170 || (!require_registration_application && !local_site.require_email_verification)
172 login_response.jwt = Some(
174 inserted_local_user.id.0,
175 &context.secret().jwt_secret,
176 &context.settings().hostname,
181 if local_site.require_email_verification {
182 let local_user_view = LocalUserView {
183 local_user: inserted_local_user,
184 person: inserted_person,
185 counts: PersonAggregates::default(),
187 // we check at the beginning of this method that email is set
188 let email = local_user_view
192 .expect("email was provided");
194 send_verification_email(&local_user_view, &email, context.pool(), context.settings())
196 login_response.verify_email_sent = true;
199 if require_registration_application {
200 login_response.registration_created = true;