Admin API to add and delete user email addresses

crates/handlers/src/admin/v1/mod.rs

@@ -82,11 +82,13 @@ where
         )
         .api_route(
             "/user-emails",
-            get_with(self::user_emails::list, self::user_emails::list_doc),
+            get_with(self::user_emails::list, self::user_emails::list_doc)
+                .post_with(self::user_emails::add, self::user_emails::add_doc),
         )
         .api_route(
             "/user-emails/{id}",
-            get_with(self::user_emails::get, self::user_emails::get_doc),
+            get_with(self::user_emails::get, self::user_emails::get_doc)
+                .delete_with(self::user_emails::delete, self::user_emails::delete_doc),
         )
         .api_route(
             "/user-sessions",

crates/handlers/src/admin/v1/user_emails/add.rs

@@ -0,0 +1,322 @@
+// Copyright 2025 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only
+// Please see LICENSE in the repository root for full details.
+
+use std::str::FromStr as _;
+
+use aide::{transform::TransformOperation, NoApi, OperationIo};
+use axum::{response::IntoResponse, Json};
+use hyper::StatusCode;
+use mas_storage::{
+    queue::{ProvisionUserJob, QueueJobRepositoryExt as _},
+    user::UserEmailFilter,
+    BoxRng,
+};
+use schemars::JsonSchema;
+use serde::Deserialize;
+use ulid::Ulid;
+
+use crate::{
+    admin::{
+        call_context::CallContext,
+        model::UserEmail,
+        response::{ErrorResponse, SingleResponse},
+    },
+    impl_from_error_for_route,
+};
+
+#[derive(Debug, thiserror::Error, OperationIo)]
+#[aide(output_with = "Json<ErrorResponse>")]
+pub enum RouteError {
+    #[error(transparent)]
+    Internal(Box<dyn std::error::Error + Send + Sync + 'static>),
+
+    #[error("User email {0:?} already in use")]
+    EmailAlreadyInUse(String),
+
+    #[error("Email {email:?} is not valid")]
+    EmailNotValid {
+        email: String,
+
+        #[source]
+        source: lettre::address::AddressError,
+    },
+
+    #[error("User ID {0} not found")]
+    UserNotFound(Ulid),
+}
+
+impl_from_error_for_route!(mas_storage::RepositoryError);
+
+impl IntoResponse for RouteError {
+    fn into_response(self) -> axum::response::Response {
+        let error = ErrorResponse::from_error(&self);
+        let status = match self {
+            Self::Internal(_) => StatusCode::INTERNAL_SERVER_ERROR,
+            Self::EmailAlreadyInUse(_) => StatusCode::CONFLICT,
+            Self::EmailNotValid { .. } => StatusCode::BAD_REQUEST,
+            Self::UserNotFound(_) => StatusCode::NOT_FOUND,
+        };
+        (status, Json(error)).into_response()
+    }
+}
+
+/// # JSON payload for the `POST /api/admin/v1/user-emails`
+#[derive(Deserialize, JsonSchema)]
+#[serde(rename = "AddUserEmailRequest")]
+pub struct Request {
+    /// The ID of the user to which the email should be added.
+    #[schemars(with = "crate::admin::schema::Ulid")]
+    user_id: Ulid,
+
+    /// The email address of the user to add.
+    #[schemars(email)]
+    email: String,
+}
+
+pub fn doc(operation: TransformOperation) -> TransformOperation {
+    operation
+        .id("addUserEmail")
+        .summary("Add a user email")
+        .description(r"Add an email address to a user.
+Note that this endpoint ignores any policy which would normally prevent the email from being added.")
+        .tag("user-email")
+        .response_with::<201, Json<SingleResponse<UserEmail>>, _>(|t| {
+            let [sample, ..] = UserEmail::samples();
+            let response = SingleResponse::new_canonical(sample);
+            t.description("User email was created").example(response)
+        })
+        .response_with::<409, RouteError, _>(|t| {
+            let response = ErrorResponse::from_error(&RouteError::EmailAlreadyInUse(
+                "[email protected]".to_owned(),
+            ));
+            t.description("Email already in use").example(response)
+        })
+        .response_with::<400, RouteError, _>(|t| {
+            let response = ErrorResponse::from_error(&RouteError::EmailNotValid {
+                email: "not a valid email".to_owned(),
+                source: lettre::address::AddressError::MissingParts,
+            });
+            t.description("Email is not valid").example(response)
+        })
+        .response_with::<404, RouteError, _>(|t| {
+            let response = ErrorResponse::from_error(&RouteError::UserNotFound(Ulid::nil()));
+            t.description("User was not found").example(response)
+        })
+}
+
+#[tracing::instrument(name = "handler.admin.v1.user_emails.add", skip_all, err)]
+pub async fn handler(
+    CallContext {
+        mut repo, clock, ..
+    }: CallContext,
+    NoApi(mut rng): NoApi<BoxRng>,
+    Json(params): Json<Request>,
+) -> Result<(StatusCode, Json<SingleResponse<UserEmail>>), RouteError> {
+    // Find the user
+    let user = repo
+        .user()
+        .lookup(params.user_id)
+        .await?
+        .ok_or(RouteError::UserNotFound(params.user_id))?;
+
+    // Validate the email
+    if let Err(source) = lettre::Address::from_str(&params.email) {
+        return Err(RouteError::EmailNotValid {
+            email: params.email,
+            source,
+        });
+    }
+
+    // Check if the email already exists
+    let count = repo
+        .user_email()
+        .count(UserEmailFilter::new().for_email(&params.email))
+        .await?;
+
+    if count > 0 {
+        return Err(RouteError::EmailAlreadyInUse(params.email));
+    }
+
+    // Add the email to the user
+    let user_email = repo
+        .user_email()
+        .add(&mut rng, &clock, &user, params.email)
+        .await?;
+
+    // Schedule a job to update the user
+    repo.queue_job()
+        .schedule_job(&mut rng, &clock, ProvisionUserJob::new_for_id(user.id))
+        .await?;
+
+    repo.save().await?;
+
+    Ok((
+        StatusCode::CREATED,
+        Json(SingleResponse::new_canonical(user_email.into())),
+    ))
+}
+
+#[cfg(test)]
+mod tests {
+    use hyper::{Request, StatusCode};
+    use insta::assert_json_snapshot;
+    use sqlx::PgPool;
+    use ulid::Ulid;
+
+    use crate::test_utils::{setup, RequestBuilderExt, ResponseExt, TestState};
+    #[sqlx::test(migrator = "mas_storage_pg::MIGRATOR")]
+    async fn test_create(pool: PgPool) {
+        setup();
+        let mut state = TestState::from_pool(pool).await.unwrap();
+        let token = state.token_with_scope("urn:mas:admin").await;
+        let mut rng = state.rng();
+
+        // Provision a user
+        let mut repo = state.repository().await.unwrap();
+        let alice = repo
+            .user()
+            .add(&mut rng, &state.clock, "alice".to_owned())
+            .await
+            .unwrap();
+        repo.save().await.unwrap();
+
+        let request = Request::post("/api/admin/v1/user-emails")
+            .bearer(&token)
+            .json(serde_json::json!({
+                "email": "[email protected]",
+                "user_id": alice.id,
+            }));
+        let response = state.request(request).await;
+        response.assert_status(StatusCode::CREATED);
+        let body: serde_json::Value = response.json();
+        assert_json_snapshot!(body, @r###"
+        {
+          "data": {
+            "type": "user-email",
+            "id": "01FSHN9AG07HNEZXNQM2KNBNF6",
+            "attributes": {
+              "created_at": "2022-01-16T14:40:00Z",
+              "user_id": "01FSHN9AG0MZAA6S4AF7CTV32E",
+              "email": "[email protected]"
+            },
+            "links": {
+              "self": "/api/admin/v1/user-emails/01FSHN9AG07HNEZXNQM2KNBNF6"
+            }
+          },
+          "links": {
+            "self": "/api/admin/v1/user-emails/01FSHN9AG07HNEZXNQM2KNBNF6"
+          }
+        }
+        "###);
+    }
+
+    #[sqlx::test(migrator = "mas_storage_pg::MIGRATOR")]
+    async fn test_user_not_found(pool: PgPool) {
+        setup();
+        let mut state = TestState::from_pool(pool).await.unwrap();
+        let token = state.token_with_scope("urn:mas:admin").await;
+
+        let request = Request::post("/api/admin/v1/user-emails")
+            .bearer(&token)
+            .json(serde_json::json!({
+                "email": "[email protected]",
+                "user_id": Ulid::nil(),
+            }));
+        let response = state.request(request).await;
+        response.assert_status(StatusCode::NOT_FOUND);
+        let body: serde_json::Value = response.json();
+        assert_json_snapshot!(body, @r###"
+        {
+          "errors": [
+            {
+              "title": "User ID 00000000000000000000000000 not found"
+            }
+          ]
+        }
+        "###);
+    }
+
+    #[sqlx::test(migrator = "mas_storage_pg::MIGRATOR")]
+    async fn test_email_already_exists(pool: PgPool) {
+        setup();
+        let mut state = TestState::from_pool(pool).await.unwrap();
+        let token = state.token_with_scope("urn:mas:admin").await;
+        let mut rng = state.rng();
+
+        let mut repo = state.repository().await.unwrap();
+        let alice = repo
+            .user()
+            .add(&mut rng, &state.clock, "alice".to_owned())
+            .await
+            .unwrap();
+        repo.user_email()
+            .add(
+                &mut rng,
+                &state.clock,
+                &alice,
+                "[email protected]".to_owned(),
+            )
+            .await
+            .unwrap();
+        repo.save().await.unwrap();
+
+        let request = Request::post("/api/admin/v1/user-emails")
+            .bearer(&token)
+            .json(serde_json::json!({
+                "email": "[email protected]",
+                "user_id": alice.id,
+            }));
+        let response = state.request(request).await;
+        response.assert_status(StatusCode::CONFLICT);
+        let body: serde_json::Value = response.json();
+        assert_json_snapshot!(body, @r###"
+        {
+          "errors": [
+            {
+              "title": "User email \"[email protected]\" already in use"
+            }
+          ]
+        }
+        "###);
+    }
+
+    #[sqlx::test(migrator = "mas_storage_pg::MIGRATOR")]
+    async fn test_invalid_email(pool: PgPool) {
+        setup();
+        let mut state = TestState::from_pool(pool).await.unwrap();
+        let token = state.token_with_scope("urn:mas:admin").await;
+        let mut rng = state.rng();
+
+        let mut repo = state.repository().await.unwrap();
+        let alice = repo
+            .user()
+            .add(&mut rng, &state.clock, "alice".to_owned())
+            .await
+            .unwrap();
+        repo.save().await.unwrap();
+
+        let request = Request::post("/api/admin/v1/user-emails")
+            .bearer(&token)
+            .json(serde_json::json!({
+                "email": "invalid-email",
+                "user_id": alice.id,
+            }));
+        let response = state.request(request).await;
+        response.assert_status(StatusCode::BAD_REQUEST);
+        let body: serde_json::Value = response.json();
+        assert_json_snapshot!(body, @r###"
+        {
+          "errors": [
+            {
+              "title": "Email \"invalid-email\" is not valid"
+            },
+            {
+              "title": "Missing domain or user"
+            }
+          ]
+        }
+        "###);
+    }
+}