Add DELETE /api/v1/trusted_publishing/github_configs/{id} API endpoint

src/controllers/trustpub/github_configs/delete/mod.rs

@@ -0,0 +1,95 @@
+use crate::app::AppState;
+use crate::auth::AuthCheck;
+use crate::controllers::trustpub::github_configs::emails::ConfigDeletedEmail;
+use crate::util::errors::{AppResult, bad_request, not_found};
+use axum::extract::Path;
+use crates_io_database::models::OwnerKind;
+use crates_io_database::models::trustpub::GitHubConfig;
+use crates_io_database::schema::{crate_owners, crates, emails, trustpub_configs_github, users};
+use diesel::prelude::*;
+use diesel_async::RunQueryDsl;
+use http::StatusCode;
+use http::request::Parts;
+
+#[cfg(test)]
+mod tests;
+
+/// Delete Trusted Publishing configuration for GitHub Actions.
+#[utoipa::path(
+    delete,
+    path = "/api/v1/trusted_publishing/github_configs/{id}",
+    params(
+        ("id" = i32, Path, description = "ID of the Trusted Publishing configuration"),
+    ),
+    security(("cookie" = [])),
+    tag = "trusted_publishing",
+    responses((status = 204, description = "Successful Response")),
+)]
+pub async fn delete_trustpub_github_config(
+    state: AppState,
+    Path(id): Path<i32>,
+    parts: Parts,
+) -> AppResult<StatusCode> {
+    let mut conn = state.db_write().await?;
+
+    let auth = AuthCheck::only_cookie().check(&parts, &mut conn).await?;
+    let auth_user = auth.user();
+
+    // Check that a trusted publishing config with the given ID exists,
+    // and fetch the corresponding crate ID and name.
+    let (config, crate_name) = trustpub_configs_github::table
+        .inner_join(crates::table)
+        .filter(trustpub_configs_github::id.eq(id))
+        .select((GitHubConfig::as_select(), crates::name))
+        .first::<(GitHubConfig, String)>(&mut conn)
+        .await
+        .optional()?
+        .ok_or_else(not_found)?;
+
+    // Load all crate owners for the given crate ID
+    let user_owners = crate_owners::table
+        .filter(crate_owners::crate_id.eq(config.crate_id))
+        .filter(crate_owners::deleted.eq(false))
+        .filter(crate_owners::owner_kind.eq(OwnerKind::User))
+        .inner_join(users::table)
+        .inner_join(emails::table.on(users::id.eq(emails::user_id)))
+        .select((users::id, users::gh_login, emails::email, emails::verified))
+        .load::<(i32, String, String, bool)>(&mut conn)
+        .await?;
+
+    // Check if the authenticated user is an owner of the crate
+    if !user_owners.iter().any(|owner| owner.0 == auth_user.id) {
+        return Err(bad_request("You are not an owner of this crate"));
+    }
+
+    // Delete the configuration from the database
+    diesel::delete(trustpub_configs_github::table.filter(trustpub_configs_github::id.eq(id)))
+        .execute(&mut conn)
+        .await?;
+
+    // Send notification emails to crate owners
+
+    let recipients = user_owners
+        .into_iter()
+        .filter(|(_, _, _, verified)| *verified)
+        .map(|(_, login, email, _)| (login, email))
+        .collect::<Vec<_>>();
+
+    for (recipient, email_address) in &recipients {
+        let email = ConfigDeletedEmail {
+            recipient,
+            user: &auth_user.gh_login,
+            krate: &crate_name,
+            repository_owner: &config.repository_owner,
+            repository_name: &config.repository_name,
+            workflow_filename: &config.workflow_filename,
+            environment: config.environment.as_deref().unwrap_or("(not set)"),
+        };
+
+        if let Err(err) = state.emails.send(email_address, email).await {
+            warn!("Failed to send trusted publishing notification to {email_address}: {err}")
+        }
+    }
+
+    Ok(StatusCode::NO_CONTENT)
+}

src/controllers/trustpub/github_configs/delete/snapshots/crates_io__controllers__trustpub__github_configs__delete__tests__happy_path.snap

@@ -0,0 +1,24 @@
+---
+source: src/controllers/trustpub/github_configs/delete/tests.rs
+expression: app.emails_snapshot().await
+---
+To: foo@example.com
+From: crates.io <noreply@crates.io>
+Subject: crates.io: Trusted Publishing configration removed from foo
+Content-Type: text/plain; charset=utf-8
+Content-Transfer-Encoding: quoted-printable
+
+Hello foo!
+
+crates.io user foo has remove a "Trusted Publishing" configuration for GitH=
+ub Actions from a crate that you manage (foo).
+
+Trusted Publishing configuration:
+
+- Repository owner: rust-lang
+- Repository name: foo-rs
+- Workflow filename: publish.yml
+- Environment: (not set)
+
+If you did not make this change and you think it was made maliciously, you =
+can email help@crates.io to communicate with the crates.io support team.

src/controllers/trustpub/github_configs/delete/tests.rs

@@ -0,0 +1,182 @@
+use crate::tests::builders::CrateBuilder;
+use crate::tests::util::{RequestHelper, TestApp};
+use crates_io_database::models::Crate;
+use crates_io_database::models::trustpub::{GitHubConfig, NewGitHubConfig};
+use crates_io_database::schema::trustpub_configs_github;
+use diesel::prelude::*;
+use diesel_async::{AsyncPgConnection, RunQueryDsl};
+use http::StatusCode;
+use insta::assert_snapshot;
+use serde_json::json;
+
+const BASE_URL: &str = "/api/v1/trusted_publishing/github_configs";
+const CRATE_NAME: &str = "foo";
+
+fn delete_url(id: i32) -> String {
+    format!("{BASE_URL}/{id}")
+}
+
+async fn create_crate(conn: &mut AsyncPgConnection, author_id: i32) -> anyhow::Result<Crate> {
+    CrateBuilder::new(CRATE_NAME, author_id).build(conn).await
+}
+
+async fn create_config(conn: &mut AsyncPgConnection, crate_id: i32) -> QueryResult<GitHubConfig> {
+    let config = NewGitHubConfig {
+        crate_id,
+        repository_owner: "rust-lang",
+        repository_owner_id: 42,
+        repository_name: "foo-rs",
+        workflow_filename: "publish.yml",
+        environment: None,
+    };
+
+    config.insert(conn).await
+}
+
+async fn get_all_configs(conn: &mut AsyncPgConnection) -> QueryResult<Vec<GitHubConfig>> {
+    trustpub_configs_github::table
+        .select(GitHubConfig::as_select())
+        .load::<GitHubConfig>(conn)
+        .await
+}
+
+/// Delete the config with a valid user that is an owner of the crate.
+#[tokio::test(flavor = "multi_thread")]
+async fn test_happy_path() -> anyhow::Result<()> {
+    let (app, _client, cookie_client) = TestApp::full().with_user().await;
+    let mut conn = app.db_conn().await;
+
+    let krate = create_crate(&mut conn, cookie_client.as_model().id).await?;
+    let config = create_config(&mut conn, krate.id).await?;
+
+    let response = cookie_client.delete::<()>(&delete_url(config.id)).await;
+    assert_eq!(response.status(), StatusCode::NO_CONTENT);
+    assert_eq!(response.text(), "");
+
+    // Verify the config was deleted from the database
+    let configs = get_all_configs(&mut conn).await?;
+    assert_eq!(configs.len(), 0);
+
+    // Verify emails were sent to crate owners
+    assert_snapshot!(app.emails_snapshot().await);
+
+    Ok(())
+}
+
+/// Try to delete the config with an unauthenticated client.
+#[tokio::test(flavor = "multi_thread")]
+async fn test_unauthenticated() -> anyhow::Result<()> {
+    let (app, client, cookie_client) = TestApp::full().with_user().await;
+    let mut conn = app.db_conn().await;
+
+    let krate = create_crate(&mut conn, cookie_client.as_model().id).await?;
+    let config = create_config(&mut conn, krate.id).await?;
+
+    let response = client.delete::<()>(&delete_url(config.id)).await;
+    assert_eq!(response.status(), StatusCode::FORBIDDEN);
+    assert_snapshot!(response.text(), @r#"{"errors":[{"detail":"this action requires authentication"}]}"#);
+
+    // Verify the config was not deleted
+    let configs = get_all_configs(&mut conn).await?;
+    assert_eq!(configs.len(), 1);
+
+    // Verify no emails were sent to crate owners
+    assert_eq!(app.emails().await.len(), 0);
+
+    Ok(())
+}
+
+/// Try to delete the config with API token authentication.
+#[tokio::test(flavor = "multi_thread")]
+async fn test_token_auth() -> anyhow::Result<()> {
+    let (app, _client, cookie_client, token_client) = TestApp::full().with_token().await;
+    let mut conn = app.db_conn().await;
+
+    let krate = create_crate(&mut conn, cookie_client.as_model().id).await?;
+    let config = create_config(&mut conn, krate.id).await?;
+
+    let response = token_client.delete::<()>(&delete_url(config.id)).await;
+    assert_eq!(response.status(), StatusCode::FORBIDDEN);
+    assert_snapshot!(response.text(), @r#"{"errors":[{"detail":"this action can only be performed on the crates.io website"}]}"#);
+
+    // Verify the config was not deleted
+    let configs = get_all_configs(&mut conn).await?;
+    assert_eq!(configs.len(), 1);
+
+    // Verify no emails were sent to crate owners
+    assert_eq!(app.emails().await.len(), 0);
+
+    Ok(())
+}
+
+/// Try to delete a config that does not exist.
+#[tokio::test(flavor = "multi_thread")]
+async fn test_config_not_found() -> anyhow::Result<()> {
+    let (app, _client, cookie_client) = TestApp::full().with_user().await;
+
+    let response = cookie_client.delete::<()>(&delete_url(42)).await;
+    assert_eq!(response.status(), StatusCode::NOT_FOUND);
+    assert_snapshot!(response.text(), @r#"{"errors":[{"detail":"Not Found"}]}"#);
+
+    // Verify no emails were sent to crate owners
+    assert_eq!(app.emails().await.len(), 0);
+
+    Ok(())
+}
+
+/// Try to delete the config with a user who is not an owner of the crate.
+#[tokio::test(flavor = "multi_thread")]
+async fn test_non_owner() -> anyhow::Result<()> {
+    let (app, _client, cookie_client) = TestApp::full().with_user().await;
+    let mut conn = app.db_conn().await;
+
+    let krate = create_crate(&mut conn, cookie_client.as_model().id).await?;
+    let config = create_config(&mut conn, krate.id).await?;
+
+    // Create another user who is not an owner of the crate
+    let other_client = app.db_new_user("other_user").await;
+
+    let response = other_client.delete::<()>(&delete_url(config.id)).await;
+    assert_eq!(response.status(), StatusCode::BAD_REQUEST);
+    assert_snapshot!(response.text(), @r#"{"errors":[{"detail":"You are not an owner of this crate"}]}"#);
+
+    // Verify the config was not deleted
+    let configs = get_all_configs(&mut conn).await?;
+    assert_eq!(configs.len(), 1);
+
+    // Verify no emails were sent to crate owners
+    assert_eq!(app.emails().await.len(), 0);
+
+    Ok(())
+}
+
+/// Try to delete the config with a user that is part of a team that owns
+/// the crate.
+#[tokio::test(flavor = "multi_thread")]
+async fn test_team_owner() -> anyhow::Result<()> {
+    let (app, _client) = TestApp::full().empty().await;
+    let mut conn = app.db_conn().await;
+
+    let user = app.db_new_user("user-org-owner").await;
+    let user2 = app.db_new_user("user-one-team").await;
+
+    let krate = create_crate(&mut conn, user.as_model().id).await?;
+    let config = create_config(&mut conn, krate.id).await?;
+
+    let body = json!({ "owners": ["github:test-org:all"] }).to_string();
+    let response = user.put::<()>("/api/v1/crates/foo/owners", body).await;
+    assert_eq!(response.status(), StatusCode::OK);
+
+    let response = user2.delete::<()>(&delete_url(config.id)).await;
+    assert_eq!(response.status(), StatusCode::BAD_REQUEST);
+    assert_snapshot!(response.text(), @r#"{"errors":[{"detail":"You are not an owner of this crate"}]}"#);
+
+    // Verify the config was not deleted
+    let configs = get_all_configs(&mut conn).await?;
+    assert_eq!(configs.len(), 1);
+
+    // Verify no emails were sent to crate owners
+    assert_eq!(app.emails().await.len(), 0);
+
+    Ok(())
+}

src/controllers/trustpub/github_configs/emails.rs

@@ -48,3 +48,50 @@ If you are unable to revert the change and need to do so, you can email help@cra
         )
     }
 }
+
+/// Email template for notifying crate owners about a Trusted Publishing
+/// configuration being deleted.
+#[derive(Debug, Clone)]
+pub struct ConfigDeletedEmail<'a> {
+    pub recipient: &'a str,
+    pub user: &'a str,
+    pub krate: &'a str,
+    pub repository_owner: &'a str,
+    pub repository_name: &'a str,
+    pub workflow_filename: &'a str,
+    pub environment: &'a str,
+}
+
+impl Email for ConfigDeletedEmail<'_> {
+    fn subject(&self) -> String {
+        let Self { krate, .. } = self;
+        format!("crates.io: Trusted Publishing configration removed from {krate}")
+    }
+
+    fn body(&self) -> String {
+        let Self {
+            recipient,
+            user,
+            krate,
+            repository_owner,
+            repository_name,
+            workflow_filename,
+            environment,
+        } = self;
+
+        format!(
+            "Hello {recipient}!
+
+crates.io user {user} has remove a \"Trusted Publishing\" configuration for GitHub Actions from a crate that you manage ({krate}).
+
+Trusted Publishing configuration:
+
+- Repository owner: {repository_owner}
+- Repository name: {repository_name}
+- Workflow filename: {workflow_filename}
+- Environment: {environment}
+
+If you did not make this change and you think it was made maliciously, you can email help@crates.io to communicate with the crates.io support team."
+        )
+    }
+}

src/controllers/trustpub/github_configs/mod.rs

@@ -1,3 +1,4 @@
 pub mod create;
+pub mod delete;
 pub mod emails;
 pub mod json;

src/router.rs

@@ -91,6 +91,7 @@ pub fn build_axum_router(state: AppState) -> Router<()> {
         // OIDC / Trusted Publishing
         .routes(routes!(
             trustpub::github_configs::create::create_trustpub_github_config,
+            trustpub::github_configs::delete::delete_trustpub_github_config,
         ))
         .split_for_parts();