]> Untitled Git - lemmy.git/blobdiff - crates/api_common/src/lib.rs
First pass at invite-only migration. (#1949)
[lemmy.git] / crates / api_common / src / lib.rs
index 29e26e1e6ede1843db66170274b76552c080b407..cd854a6d99af74c4ffea3332de51b2b18d98ecd5 100644 (file)
@@ -10,8 +10,11 @@ use lemmy_db_schema::{
   newtypes::{CommunityId, LocalUserId, PersonId, PostId},
   source::{
     community::Community,
+    email_verification::{EmailVerification, EmailVerificationForm},
+    password_reset_request::PasswordResetRequest,
     person_block::PersonBlock,
     post::{Post, PostRead, PostReadForm},
+    registration_application::RegistrationApplication,
     secret::Secret,
     site::Site,
   },
@@ -23,7 +26,14 @@ use lemmy_db_views_actor::{
   community_person_ban_view::CommunityPersonBanView,
   community_view::CommunityView,
 };
-use lemmy_utils::{claims::Claims, settings::structs::FederationConfig, LemmyError, Sensitive};
+use lemmy_utils::{
+  claims::Claims,
+  email::send_email,
+  settings::structs::{FederationConfig, Settings},
+  utils::generate_random_string,
+  LemmyError,
+  Sensitive,
+};
 use url::Url;
 
 pub async fn blocking<F, T>(pool: &DbPool, f: F) -> Result<T, LemmyError>
@@ -252,6 +262,19 @@ pub async fn check_downvotes_enabled(score: i16, pool: &DbPool) -> Result<(), Le
   Ok(())
 }
 
+pub async fn check_private_instance(
+  local_user_view: &Option<LocalUserView>,
+  pool: &DbPool,
+) -> Result<(), LemmyError> {
+  if local_user_view.is_none() {
+    let site = blocking(pool, Site::read_simple).await??;
+    if site.private_instance {
+      return Err(LemmyError::from_message("instance_is_private"));
+    }
+  }
+  Ok(())
+}
+
 pub async fn build_federated_instances(
   pool: &DbPool,
   federation_config: &FederationConfig,
@@ -320,3 +343,163 @@ pub fn honeypot_check(honeypot: &Option<String>) -> Result<(), LemmyError> {
     Ok(())
   }
 }
+
+pub fn send_email_to_user(
+  local_user_view: &LocalUserView,
+  subject_text: &str,
+  body_text: &str,
+  comment_content: &str,
+  settings: &Settings,
+) {
+  if local_user_view.person.banned || !local_user_view.local_user.send_notifications_to_email {
+    return;
+  }
+
+  if let Some(user_email) = &local_user_view.local_user.email {
+    let subject = &format!(
+      "{} - {} {}",
+      subject_text, settings.hostname, local_user_view.person.name,
+    );
+    let html = &format!(
+      "<h1>{}</h1><br><div>{} - {}</div><br><a href={}/inbox>inbox</a>",
+      body_text,
+      local_user_view.person.name,
+      comment_content,
+      settings.get_protocol_and_hostname()
+    );
+    match send_email(
+      subject,
+      user_email,
+      &local_user_view.person.name,
+      html,
+      settings,
+    ) {
+      Ok(_o) => _o,
+      Err(e) => tracing::error!("{}", e),
+    };
+  }
+}
+
+pub async fn send_password_reset_email(
+  local_user_view: &LocalUserView,
+  pool: &DbPool,
+  settings: &Settings,
+) -> Result<(), LemmyError> {
+  // Generate a random token
+  let token = generate_random_string();
+
+  // Insert the row
+  let token2 = token.clone();
+  let local_user_id = local_user_view.local_user.id;
+  blocking(pool, move |conn| {
+    PasswordResetRequest::create_token(conn, local_user_id, &token2)
+  })
+  .await??;
+
+  let email = &local_user_view.local_user.email.to_owned().expect("email");
+  let subject = &format!("Password reset for {}", local_user_view.person.name);
+  let protocol_and_hostname = settings.get_protocol_and_hostname();
+  let html = &format!("<h1>Password Reset Request for {}</h1><br><a href={}/password_change/{}>Click here to reset your password</a>", local_user_view.person.name, protocol_and_hostname, &token);
+  send_email(subject, email, &local_user_view.person.name, html, settings)
+}
+
+/// Send a verification email
+pub async fn send_verification_email(
+  local_user_id: LocalUserId,
+  new_email: &str,
+  username: &str,
+  pool: &DbPool,
+  settings: &Settings,
+) -> Result<(), LemmyError> {
+  let form = EmailVerificationForm {
+    local_user_id,
+    email: new_email.to_string(),
+    verification_token: generate_random_string(),
+  };
+  let verify_link = format!(
+    "{}/verify_email/{}",
+    settings.get_protocol_and_hostname(),
+    &form.verification_token
+  );
+  blocking(pool, move |conn| EmailVerification::create(conn, &form)).await??;
+
+  let subject = format!("Verify your email address for {}", settings.hostname);
+  let body = format!(
+    concat!(
+      "Please click the link below to verify your email address ",
+      "for the account @{}@{}. Ignore this email if the account isn't yours.<br><br>",
+      "<a href=\"{}\">Verify your email</a>"
+    ),
+    username, settings.hostname, verify_link
+  );
+  send_email(&subject, new_email, username, &body, settings)?;
+
+  Ok(())
+}
+
+pub fn send_email_verification_success(
+  local_user_view: &LocalUserView,
+  settings: &Settings,
+) -> Result<(), LemmyError> {
+  let email = &local_user_view.local_user.email.to_owned().expect("email");
+  let subject = &format!("Email verified for {}", local_user_view.person.actor_id);
+  let html = "Your email has been verified.";
+  send_email(subject, email, &local_user_view.person.name, html, settings)
+}
+
+pub fn send_application_approved_email(
+  local_user_view: &LocalUserView,
+  settings: &Settings,
+) -> Result<(), LemmyError> {
+  let email = &local_user_view.local_user.email.to_owned().expect("email");
+  let subject = &format!(
+    "Registration approved for {}",
+    local_user_view.person.actor_id
+  );
+  let html = &format!(
+    "Your registration application has been approved. Welcome to {}!",
+    settings.hostname
+  );
+  send_email(subject, email, &local_user_view.person.name, html, settings)
+}
+
+pub async fn check_registration_application(
+  site: &Site,
+  local_user_view: &LocalUserView,
+  pool: &DbPool,
+) -> Result<(), LemmyError> {
+  if site.require_application
+    && !local_user_view.local_user.accepted_application
+    && !local_user_view.person.admin
+  {
+    // Fetch the registration, see if its denied
+    let local_user_id = local_user_view.local_user.id;
+    let registration = blocking(pool, move |conn| {
+      RegistrationApplication::find_by_local_user_id(conn, local_user_id)
+    })
+    .await??;
+    if registration.deny_reason.is_some() {
+      return Err(LemmyError::from_message("registration_denied"));
+    } else {
+      return Err(LemmyError::from_message("registration_application_pending"));
+    }
+  }
+  Ok(())
+}
+
+/// TODO this check should be removed after https://github.com/LemmyNet/lemmy/issues/868 is done.
+pub async fn check_private_instance_and_federation_enabled(
+  pool: &DbPool,
+  settings: &Settings,
+) -> Result<(), LemmyError> {
+  let site_opt = blocking(pool, Site::read_simple).await?;
+
+  if let Ok(site) = site_opt {
+    if site.private_instance && settings.federation.enabled {
+      return Err(LemmyError::from_message(
+        "Cannot have both private instance and federation enabled.",
+      ));
+    }
+  }
+  Ok(())
+}