]> Untitled Git - lemmy.git/blobdiff - crates/api_crud/src/user/create.rs
Sanitize html (#3708)
[lemmy.git] / crates / api_crud / src / user / create.rs
index 88bc43d06e9a5628e3dd9cfa7b4d8fcb778dcd21..f2af6940e05867d6c92f846876401fc58c5c06b5 100644 (file)
 use crate::PerformCrud;
-use activitypub_federation::core::signatures::generate_actor_keypair;
+use activitypub_federation::http_signatures::generate_actor_keypair;
 use actix_web::web::Data;
 use lemmy_api_common::{
+  context::LemmyContext,
   person::{LoginResponse, Register},
   utils::{
-    blocking,
+    generate_inbox_url,
+    generate_local_apub_endpoint,
+    generate_shared_inbox_url,
     honeypot_check,
     local_site_to_slur_regex,
     password_length_check,
+    sanitize_html,
     send_new_applicant_email_to_admins,
     send_verification_email,
+    EndpointType,
   },
 };
-use lemmy_apub::{
-  generate_inbox_url,
-  generate_local_apub_endpoint,
-  generate_shared_inbox_url,
-  EndpointType,
-};
 use lemmy_db_schema::{
   aggregates::structs::PersonAggregates,
   source::{
+    captcha_answer::{CaptchaAnswer, CheckCaptchaAnswer},
     local_user::{LocalUser, LocalUserInsertForm},
     person::{Person, PersonInsertForm},
     registration_application::{RegistrationApplication, RegistrationApplicationInsertForm},
   },
   traits::Crud,
+  RegistrationMode,
 };
 use lemmy_db_views::structs::{LocalUserView, SiteView};
-use lemmy_db_views_actor::structs::PersonViewSafe;
 use lemmy_utils::{
   claims::Claims,
-  error::LemmyError,
-  utils::{check_slurs, check_slurs_opt, is_valid_actor_name},
-  ConnectionId,
+  error::{LemmyError, LemmyErrorExt, LemmyErrorType},
+  utils::{
+    slurs::{check_slurs, check_slurs_opt},
+    validation::is_valid_actor_name,
+  },
 };
-use lemmy_websocket::{messages::CheckCaptcha, LemmyContext};
 
 #[async_trait::async_trait(?Send)]
 impl PerformCrud for Register {
   type Response = LoginResponse;
 
-  #[tracing::instrument(skip(self, context, _websocket_id))]
-  async fn perform(
-    &self,
-    context: &Data<LemmyContext>,
-    _websocket_id: Option<ConnectionId>,
-  ) -> Result<LoginResponse, LemmyError> {
+  #[tracing::instrument(skip(self, context))]
+  async fn perform(&self, context: &Data<LemmyContext>) -> Result<LoginResponse, LemmyError> {
     let data: &Register = self;
 
-    let site_view = blocking(context.pool(), SiteView::read_local).await??;
+    let site_view = SiteView::read_local(&mut context.pool()).await?;
     let local_site = site_view.local_site;
+    let require_registration_application =
+      local_site.registration_mode == RegistrationMode::RequireApplication;
 
-    if !local_site.open_registration {
-      return Err(LemmyError::from_message("registration_closed"));
+    if local_site.registration_mode == RegistrationMode::Closed {
+      return Err(LemmyErrorType::RegistrationClosed)?;
     }
 
     password_length_check(&data.password)?;
     honeypot_check(&data.honeypot)?;
 
     if local_site.require_email_verification && data.email.is_none() {
-      return Err(LemmyError::from_message("email_required"));
+      return Err(LemmyErrorType::EmailRequired)?;
     }
 
-    if local_site.require_application && data.answer.is_none() {
-      return Err(LemmyError::from_message(
-        "registration_application_answer_required",
-      ));
+    if local_site.site_setup && require_registration_application && data.answer.is_none() {
+      return Err(LemmyErrorType::RegistrationApplicationAnswerRequired)?;
     }
 
     // Make sure passwords match
     if data.password != data.password_verify {
-      return Err(LemmyError::from_message("passwords_dont_match"));
+      return Err(LemmyErrorType::PasswordsDoNotMatch)?;
     }
 
-    // Check if there are admins. False if admins exist
-    let no_admins = blocking(context.pool(), move |conn| {
-      PersonViewSafe::admins(conn).map(|a| a.is_empty())
-    })
-    .await??;
-
-    // If its not the admin, check the captcha
-    if !no_admins && local_site.captcha_enabled {
-      let check = context
-        .chat_server()
-        .send(CheckCaptcha {
-          uuid: data
-            .captcha_uuid
-            .to_owned()
-            .unwrap_or_else(|| "".to_string()),
-          answer: data
-            .captcha_answer
-            .to_owned()
-            .unwrap_or_else(|| "".to_string()),
-        })
+    if local_site.site_setup && local_site.captcha_enabled {
+      if let Some(captcha_uuid) = &data.captcha_uuid {
+        let uuid = uuid::Uuid::parse_str(captcha_uuid)?;
+        let check = CaptchaAnswer::check_captcha(
+          &mut context.pool(),
+          CheckCaptchaAnswer {
+            uuid,
+            answer: data.captcha_answer.clone().unwrap_or_default(),
+          },
+        )
         .await?;
-      if !check {
-        return Err(LemmyError::from_message("captcha_incorrect"));
+        if !check {
+          return Err(LemmyErrorType::CaptchaIncorrect)?;
+        }
+      } else {
+        return Err(LemmyErrorType::CaptchaIncorrect)?;
       }
     }
 
     let slur_regex = local_site_to_slur_regex(&local_site);
     check_slurs(&data.username, &slur_regex)?;
     check_slurs_opt(&data.answer, &slur_regex)?;
+    let username = sanitize_html(&data.username);
 
     let actor_keypair = generate_actor_keypair()?;
-    if !is_valid_actor_name(&data.username, local_site.actor_name_max_length as usize) {
-      return Err(LemmyError::from_message("invalid_username"));
-    }
+    is_valid_actor_name(&data.username, local_site.actor_name_max_length as usize)?;
     let actor_id = generate_local_apub_endpoint(
       EndpointType::Person,
       &data.username,
       &context.settings().get_protocol_and_hostname(),
     )?;
 
+    if let Some(email) = &data.email {
+      if LocalUser::is_email_taken(&mut context.pool(), email).await? {
+        return Err(LemmyErrorType::EmailAlreadyExists)?;
+      }
+    }
+
     // We have to create both a person, and local_user
 
     // Register the new person
     let person_form = PersonInsertForm::builder()
-      .name(data.username.to_owned())
+      .name(username)
       .actor_id(Some(actor_id.clone()))
       .private_key(Some(actor_keypair.private_key))
       .public_key(actor_keypair.public_key)
       .inbox_url(Some(generate_inbox_url(&actor_id)?))
       .shared_inbox_url(Some(generate_shared_inbox_url(&actor_id)?))
-      .admin(Some(no_admins))
+      // If its the initial site setup, they are an admin
+      .admin(Some(!local_site.site_setup))
       .instance_id(site_view.site.instance_id)
       .build();
 
     // insert the person
-    let inserted_person = blocking(context.pool(), move |conn| {
-      Person::create(conn, &person_form)
-    })
-    .await?
-    .map_err(|e| LemmyError::from_error_message(e, "user_already_exists"))?;
+    let inserted_person = Person::create(&mut context.pool(), &person_form)
+      .await
+      .with_lemmy_type(LemmyErrorType::UserAlreadyExists)?;
+
+    // Automatically set their application as accepted, if they created this with open registration.
+    // Also fixes a bug which allows users to log in when registrations are changed to closed.
+    let accepted_application = Some(!require_registration_application);
 
     // Create the local user
     let local_user_form = LocalUserInsertForm::builder()
       .person_id(inserted_person.id)
-      .email(data.email.as_deref().map(|s| s.to_lowercase()))
+      .email(data.email.as_deref().map(str::to_lowercase))
       .password_encrypted(data.password.to_string())
       .show_nsfw(Some(data.show_nsfw))
+      .accepted_application(accepted_application)
+      .default_listing_type(Some(local_site.default_post_listing_type))
       .build();
 
-    let inserted_local_user = match blocking(context.pool(), move |conn| {
-      LocalUser::create(conn, &local_user_form)
-    })
-    .await?
-    {
-      Ok(lu) => lu,
-      Err(e) => {
-        let err_type = if e.to_string()
-          == "duplicate key value violates unique constraint \"local_user_email_key\""
-        {
-          "email_already_exists"
-        } else {
-          "user_already_exists"
-        };
-
-        // If the local user creation errored, then delete that person
-        blocking(context.pool(), move |conn| {
-          Person::delete(conn, inserted_person.id)
-        })
-        .await??;
-
-        return Err(LemmyError::from_error_message(e, err_type));
-      }
-    };
+    let inserted_local_user = LocalUser::create(&mut context.pool(), &local_user_form).await?;
 
-    if local_site.require_application {
+    if local_site.site_setup && require_registration_application {
       // Create the registration application
       let form = RegistrationApplicationInsertForm {
         local_user_id: inserted_local_user.id,
         // We already made sure answer was not null above
-        answer: data.answer.to_owned().expect("must have an answer"),
+        answer: data.answer.clone().expect("must have an answer"),
       };
 
-      blocking(context.pool(), move |conn| {
-        RegistrationApplication::create(conn, &form)
-      })
-      .await??;
+      RegistrationApplication::create(&mut context.pool(), &form).await?;
     }
 
     // Email the admins
     if local_site.application_email_admins {
-      send_new_applicant_email_to_admins(&data.username, context.pool(), context.settings())
+      send_new_applicant_email_to_admins(&data.username, &mut context.pool(), context.settings())
         .await?;
     }
 
@@ -194,8 +168,10 @@ impl PerformCrud for Register {
       verify_email_sent: false,
     };
 
-    // Log the user in directly if email verification and application aren't required
-    if !local_site.require_application && !local_site.require_email_verification {
+    // Log the user in directly if the site is not setup, or email verification and application aren't required
+    if !local_site.site_setup
+      || (!require_registration_application && !local_site.require_email_verification)
+    {
       login_response.jwt = Some(
         Claims::jwt(
           inserted_local_user.id.0,
@@ -218,12 +194,17 @@ impl PerformCrud for Register {
           .clone()
           .expect("email was provided");
 
-        send_verification_email(&local_user_view, &email, context.pool(), context.settings())
-          .await?;
+        send_verification_email(
+          &local_user_view,
+          &email,
+          &mut context.pool(),
+          context.settings(),
+        )
+        .await?;
         login_response.verify_email_sent = true;
       }
 
-      if local_site.require_application {
+      if require_registration_application {
         login_response.registration_created = true;
       }
     }