Loads of docs & enabling more clippy lints

crates/cli/src/main.rs

@@ -16,7 +16,6 @@
 #![deny(clippy::all)]
 #![warn(clippy::pedantic)]
 #![allow(clippy::module_name_repetitions)]
-#![allow(clippy::suspicious_else_formatting)]
 
 use std::path::PathBuf;
 

crates/config/src/lib.rs

@@ -13,13 +13,14 @@
 // limitations under the License.
 
 #![forbid(unsafe_code)]
-#![deny(clippy::all)]
-#![deny(missing_docs)]
-#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(
+    clippy::all,
+    missing_docs,
+    rustdoc::missing_crate_level_docs,
+    rustdoc::broken_intra_doc_links
+)]
 #![warn(clippy::pedantic)]
 #![allow(clippy::module_name_repetitions)]
-#![allow(clippy::missing_panics_doc)]
-#![allow(clippy::missing_errors_doc)]
 
 //! Application configuration logic
 

crates/config/src/sections/secrets.rs

@@ -51,6 +51,10 @@ impl Encrypter {
     }
 
     /// Encrypt a payload
+    ///
+    /// # Errors
+    ///
+    /// Will return `Err` when the payload failed to encrypt
     pub fn encrypt(&self, nonce: &[u8; 12], decrypted: &[u8]) -> anyhow::Result<Vec<u8>> {
         let nonce = GenericArray::from_slice(&nonce[..]);
         let encrypted = self.aead.encrypt(nonce, decrypted)?;
@@ -58,6 +62,10 @@ impl Encrypter {
     }
 
     /// Decrypts a payload
+    ///
+    /// # Errors
+    ///
+    /// Will return `Err` when the payload failed to decrypt
     pub fn decrypt(&self, nonce: &[u8; 12], encrypted: &[u8]) -> anyhow::Result<Vec<u8>> {
         let nonce = GenericArray::from_slice(&nonce[..]);
         let encrypted = self.aead.decrypt(nonce, encrypted)?;
@@ -110,6 +118,10 @@ pub struct SecretsConfig {
 
 impl SecretsConfig {
     /// Derive a signing and verifying keystore out of the config
+    ///
+    /// # Errors
+    ///
+    /// Returns an error when a key could not be imported
     pub async fn key_store(&self) -> anyhow::Result<StaticKeystore> {
         let mut store = StaticKeystore::new();
 

crates/data-model/src/lib.rs

@@ -13,13 +13,14 @@
 // limitations under the License.
 
 #![forbid(unsafe_code)]
-#![deny(clippy::all)]
-#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(clippy::all, rustdoc::broken_intra_doc_links)]
 #![warn(clippy::pedantic)]
-#![allow(clippy::module_name_repetitions)]
-#![allow(clippy::missing_panics_doc)]
-#![allow(clippy::missing_errors_doc)]
-#![allow(clippy::trait_duplication_in_bounds)]
+#![allow(
+    clippy::module_name_repetitions,
+    clippy::missing_panics_doc,
+    clippy::missing_errors_doc,
+    clippy::trait_duplication_in_bounds
+)]
 
 pub mod errors;
 pub(crate) mod oauth2;

crates/email/src/lib.rs

@@ -12,6 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! Helps sending emails to users, with different email backends
+
+#![forbid(unsafe_code)]
+#![deny(clippy::all, missing_docs, rustdoc::broken_intra_doc_links)]
+#![warn(clippy::pedantic)]
+
 mod mailer;
 mod transport;
 

crates/email/src/mailer.rs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! Send emails to users
+
 use lettre::{
     message::{Mailbox, MessageBuilder, MultiPart},
     AsyncTransport, Message,
@@ -20,6 +22,7 @@ use mas_templates::{EmailVerificationContext, Templates};
 
 use crate::MailTransport;
 
+/// Helps sending mails to users
 #[derive(Clone)]
 pub struct Mailer {
     templates: Templates,
@@ -29,6 +32,8 @@ pub struct Mailer {
 }
 
 impl Mailer {
+    /// Constructs a new [`Mailer`]
+    #[must_use]
     pub fn new(
         templates: &Templates,
         transport: &MailTransport,
@@ -76,6 +81,11 @@ impl Mailer {
         Ok(message)
     }
 
+    /// Send the verification email to a user
+    ///
+    /// # Errors
+    ///
+    /// Will return `Err` if the email failed rendering or failed sending
     pub async fn send_verification_email(
         &self,
         to: Mailbox,

crates/email/src/transport/aws_ses.rs

@@ -19,16 +19,21 @@ use aws_sdk_sesv2::{
 };
 use lettre::{address::Envelope, AsyncTransport};
 
+/// An asynchronous email transport that sends email via the AWS Simple Email
+/// Service v2 API
 pub struct Transport {
     client: Client,
 }
 
 impl Transport {
+    /// Construct a [`Transport`] from the environment
     pub async fn from_env() -> Self {
         let config = aws_config::from_env().load().await;
         Self::new(&config)
     }
 
+    /// Constructs a [`Transport`] from a given AWS shared config
+    #[must_use]
     pub fn new(config: &aws_config::Config) -> Self {
         let client = Client::new(config);
         Self { client }

crates/email/src/transport/mod.rs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! Email transport backends
+
 use std::sync::Arc;
 
 use async_trait::async_trait;
@@ -27,6 +29,7 @@ use mas_config::{EmailSmtpMode, EmailTransportConfig};
 
 pub mod aws_ses;
 
+/// A wrapper around many [`AsyncTransport`]s
 #[derive(Default, Clone)]
 pub struct Transport {
     inner: Arc<TransportInner>,
@@ -40,6 +43,11 @@ enum TransportInner {
 }
 
 impl Transport {
+    /// Construct a transport from a user configration
+    ///
+    /// # Errors
+    ///
+    /// Will return `Err` on invalid confiuration
     pub async fn from_config(config: &EmailTransportConfig) -> Result<Self, anyhow::Error> {
         let inner = match config {
             EmailTransportConfig::Blackhole => TransportInner::Blackhole,
@@ -85,14 +93,19 @@ impl Transport {
 }
 
 impl Transport {
+    /// Test the connection to the underlying transport. Only works with the
+    /// SMTP backend for now
+    ///
+    /// # Errors
+    ///
+    /// Will return `Err` if the connection test failed
     pub async fn test_connection(&self) -> anyhow::Result<()> {
         match self.inner.as_ref() {
-            TransportInner::Blackhole => {}
             TransportInner::Smtp(t) => {
                 t.test_connection().await?;
             }
-            &TransportInner::Sendmail(_) => {}
-            TransportInner::AwsSes(_) => {}
+            TransportInner::Blackhole | TransportInner::Sendmail(_) | TransportInner::AwsSes(_) => {
+            }
         }
 
         Ok(())

crates/handlers/src/lib.rs

@@ -13,14 +13,11 @@
 // limitations under the License.
 
 #![forbid(unsafe_code)]
-#![deny(clippy::all)]
-#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(clippy::all, rustdoc::broken_intra_doc_links)]
 #![warn(clippy::pedantic)]
-#![allow(clippy::module_name_repetitions)]
-#![allow(clippy::missing_panics_doc)]
-#![allow(clippy::missing_errors_doc)]
-#![allow(clippy::implicit_hasher)]
-#![allow(clippy::unused_async)] // Some warp filters need that
+#![allow(
+    clippy::unused_async // Some warp filters need that
+)]
 
 use std::sync::Arc;
 

crates/handlers/src/views/register.rs

@@ -40,7 +40,7 @@ use warp::{filters::BoxedFilter, reply::html, Filter, Rejection, Reply};
 use super::{LoginRequest, PostAuthAction};
 
 #[derive(Deserialize)]
-pub struct RegisterRequest {
+pub(crate) struct RegisterRequest {
     #[serde(flatten)]
     post_auth_action: Option<PostAuthAction>,
 }

crates/iana-codegen/src/main.rs

@@ -13,8 +13,7 @@
 // limitations under the License.
 
 #![forbid(unsafe_code)]
-#![deny(clippy::all)]
-#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(clippy::all, rustdoc::broken_intra_doc_links)]
 #![warn(clippy::pedantic)]
 
 use std::{collections::HashMap, fmt::Display, path::PathBuf, sync::Arc};
@@ -135,6 +134,8 @@ pub enum {} {{"#,
                 writeln!(f)?;
                 if let Some(description) = &member.description {
                     writeln!(f, "    /// {}", description)?;
+                } else {
+                    writeln!(f, "    /// `{}`", member.value)?;
                 }
                 writeln!(f, "    #[serde(rename = \"{}\")]", member.value)?;
                 writeln!(f, "    #[display(\"{}\")]", member.value)?;

crates/iana/src/lib.rs

@@ -12,9 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! Values from IANA registries, generated by the `mas-iana-codegen` crate
+
 #![forbid(unsafe_code)]
-#![deny(clippy::all)]
-#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(clippy::all, missing_docs, rustdoc::broken_intra_doc_links)]
 #![warn(clippy::pedantic)]
 #![allow(clippy::module_name_repetitions)]
 

crates/iana/src/oauth.rs

@@ -28,14 +28,17 @@ use serde::{Deserialize, Serialize};
     Debug, Clone, Copy, PartialEq, Eq, Hash, Display, FromStr, Serialize, Deserialize, JsonSchema,
 )]
 pub enum OAuthAccessTokenType {
+    /// `Bearer`
     #[serde(rename = "Bearer")]
     #[display("Bearer")]
     Bearer,
 
+    /// `N_A`
     #[serde(rename = "N_A")]
     #[display("N_A")]
     Na,
 
+    /// `PoP`
     #[serde(rename = "PoP")]
     #[display("PoP")]
     PoP,
@@ -48,34 +51,42 @@ pub enum OAuthAccessTokenType {
     Debug, Clone, Copy, PartialEq, Eq, Hash, Display, FromStr, Serialize, Deserialize, JsonSchema,
 )]
 pub enum OAuthAuthorizationEndpointResponseType {
+    /// `code`
     #[serde(rename = "code")]
     #[display("code")]
     Code,
 
+    /// `code id_token`
     #[serde(rename = "code id_token")]
     #[display("code id_token")]
     CodeIdToken,
 
+    /// `code id_token token`
     #[serde(rename = "code id_token token")]
     #[display("code id_token token")]
     CodeIdTokenToken,
 
+    /// `code token`
     #[serde(rename = "code token")]
     #[display("code token")]
     CodeToken,
 
+    /// `id_token`
     #[serde(rename = "id_token")]
     #[display("id_token")]
     IdToken,
 
+    /// `id_token token`
     #[serde(rename = "id_token token")]
     #[display("id_token token")]
     IdTokenToken,
 
+    /// `none`
     #[serde(rename = "none")]
     #[display("none")]
     None,
 
+    /// `token`
     #[serde(rename = "token")]
     #[display("token")]
     Token,
@@ -88,14 +99,17 @@ pub enum OAuthAuthorizationEndpointResponseType {
     Debug, Clone, Copy, PartialEq, Eq, Hash, Display, FromStr, Serialize, Deserialize, JsonSchema,
 )]
 pub enum OAuthTokenTypeHint {
+    /// `access_token`
     #[serde(rename = "access_token")]
     #[display("access_token")]
     AccessToken,
 
+    /// `refresh_token`
     #[serde(rename = "refresh_token")]
     #[display("refresh_token")]
     RefreshToken,
 
+    /// `pct`
     #[serde(rename = "pct")]
     #[display("pct")]
     Pct,
@@ -108,30 +122,37 @@ pub enum OAuthTokenTypeHint {
     Debug, Clone, Copy, PartialEq, Eq, Hash, Display, FromStr, Serialize, Deserialize, JsonSchema,
 )]
 pub enum OAuthClientAuthenticationMethod {
+    /// `none`
     #[serde(rename = "none")]
     #[display("none")]
     None,
 
+    /// `client_secret_post`
     #[serde(rename = "client_secret_post")]
     #[display("client_secret_post")]
     ClientSecretPost,
 
+    /// `client_secret_basic`
     #[serde(rename = "client_secret_basic")]
     #[display("client_secret_basic")]
     ClientSecretBasic,
 
+    /// `client_secret_jwt`
     #[serde(rename = "client_secret_jwt")]
     #[display("client_secret_jwt")]
     ClientSecretJwt,
 
+    /// `private_key_jwt`
     #[serde(rename = "private_key_jwt")]
     #[display("private_key_jwt")]
     PrivateKeyJwt,
 
+    /// `tls_client_auth`
     #[serde(rename = "tls_client_auth")]
     #[display("tls_client_auth")]
     TlsClientAuth,
 
+    /// `self_signed_tls_client_auth`
     #[serde(rename = "self_signed_tls_client_auth")]
     #[display("self_signed_tls_client_auth")]
     SelfSignedTlsClientAuth,
@@ -144,10 +165,12 @@ pub enum OAuthClientAuthenticationMethod {
     Debug, Clone, Copy, PartialEq, Eq, Hash, Display, FromStr, Serialize, Deserialize, JsonSchema,
 )]
 pub enum PkceCodeChallengeMethod {
+    /// `plain`
     #[serde(rename = "plain")]
     #[display("plain")]
     Plain,
 
+    /// `S256`
     #[serde(rename = "S256")]
     #[display("S256")]
     S256,

crates/jose/src/lib.rs

@@ -13,11 +13,9 @@
 // limitations under the License.
 
 #![forbid(unsafe_code)]
-#![deny(clippy::all)]
-#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(clippy::all, rustdoc::broken_intra_doc_links)]
 #![warn(clippy::pedantic)]
-#![allow(clippy::missing_errors_doc)]
-#![allow(clippy::module_name_repetitions)]
+#![allow(clippy::missing_errors_doc, clippy::module_name_repetitions)]
 
 pub mod claims;
 pub(crate) mod jwk;

crates/oauth2-types/src/lib.rs

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 #![forbid(unsafe_code)]
-#![deny(clippy::all)]
+#![deny(clippy::all, rustdoc::broken_intra_doc_links)]
 #![warn(clippy::pedantic)]
 
 use mas_iana::oauth::OAuthAuthorizationEndpointResponseType;

crates/oauth2-types/src/oidc.rs

@@ -198,7 +198,7 @@ pub struct Metadata {
 
     // TODO: type
     /// Languages and scripts supported for values in Claims being returned,
-    /// represented as a JSON array of BCP 47 [RFC5646] language tag values.
+    /// represented as a JSON array of BCP 47 language tag values.
     pub claims_locales_supported: Option<HashSet<String>>,
 
     /// Boolean value specifying whether the OP supports use of the "claims"

crates/static-files/src/lib.rs

@@ -12,14 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! Serve static files used by the web frontend
+
 #![forbid(unsafe_code)]
-#![deny(clippy::all)]
-#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(clippy::all, missing_docs, rustdoc::broken_intra_doc_links)]
 #![warn(clippy::pedantic)]
-#![allow(clippy::module_name_repetitions)]
-#![allow(clippy::missing_panics_doc)]
-#![allow(clippy::missing_errors_doc)]
-#![allow(clippy::unused_async)]
 
 use std::path::PathBuf;
 
@@ -40,6 +37,7 @@ mod builtin {
     #[folder = "public/"]
     struct Asset;
 
+    #[allow(clippy::unused_async)]
     async fn serve_embed(
         path: Tail,
         if_none_match: Option<String>,
@@ -101,6 +99,7 @@ fn filter_for_path(path: PathBuf) -> BoxedFilter<(impl Reply,)> {
     warp::fs::dir(path).boxed()
 }
 
+/// [`warp`] filter that serves static files
 #[must_use]
 pub fn filter(path: Option<PathBuf>) -> BoxedFilter<(Box<dyn Reply>,)> {
     let f = self::builtin::filter();

crates/storage/src/lib.rs

@@ -14,7 +14,14 @@
 
 //! Interactions with the database
 
-#![allow(clippy::used_underscore_binding)] // This is needed by sqlx macros
+#![forbid(unsafe_code)]
+#![deny(clippy::all, rustdoc::broken_intra_doc_links)]
+#![warn(clippy::pedantic)]
+#![allow(
+    clippy::missing_errors_doc,
+    clippy::missing_panics_doc,
+    clippy::module_name_repetitions
+)]
 
 use chrono::{DateTime, Utc};
 use mas_data_model::{StorageBackend, StorageBackendMarker};

crates/storage/src/oauth2/access_token.rs

@@ -93,6 +93,7 @@ impl AccessTokenLookupError {
     }
 }
 
+#[allow(clippy::too_many_lines)]
 pub async fn lookup_active_access_token(
     executor: impl PgExecutor<'_>,
     token: &str,

crates/tasks/src/database.rs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! Database-related tasks
+
 use sqlx::{Pool, Postgres};
 use tracing::{debug, error, info};
 
@@ -44,6 +46,7 @@ impl Task for CleanupExpired {
     }
 }
 
+/// Cleanup expired tokens
 #[must_use]
 pub fn cleanup_expired(pool: &Pool<Postgres>) -> impl Task + Clone {
     CleanupExpired(pool.clone())

crates/tasks/src/lib.rs

@@ -18,6 +18,10 @@
 //! resources and avoid database conflicts. Tasks are not persisted, which is
 //! considered "good enough" for now.
 
+#![forbid(unsafe_code)]
+#![deny(clippy::all, missing_docs, rustdoc::broken_intra_doc_links)]
+#![warn(clippy::pedantic)]
+
 use std::{collections::VecDeque, sync::Arc, time::Duration};
 
 use futures_util::StreamExt;
@@ -32,8 +36,10 @@ mod database;
 
 pub use self::database::cleanup_expired;
 
+/// A [`Task`] can be executed by a [`TaskQueue`]
 #[async_trait::async_trait]
 pub trait Task: std::fmt::Debug + Send + Sync + 'static {
+    /// Execute the [`Task`]
     async fn run(&self);
 }
 
@@ -81,12 +87,14 @@ impl TaskQueueInner {
     }
 }
 
+/// A [`TaskQueue`] executes tasks inserted in it in order
 #[derive(Default)]
 pub struct TaskQueue {
     inner: Arc<TaskQueueInner>,
 }
 
 impl TaskQueue {
+    /// Start the task queue to run forever
     pub fn start(&self) {
         let queue = self.inner.clone();
         tokio::task::spawn(async move {
@@ -100,6 +108,7 @@ impl TaskQueue {
         queue.schedule(task).await;
     }
 
+    /// Schedule a task in the queue at regular intervals
     pub fn recuring(&self, every: Duration, task: impl Task + Clone + std::fmt::Debug) {
         debug!(?task, period = every.as_secs(), "Scheduling recuring task");
         let queue = self.inner.clone();

crates/templates/src/context.rs

@@ -197,6 +197,8 @@ pub struct IndexContext {
 }
 
 impl IndexContext {
+    /// Constructs the context for the index page from the OIDC discovery
+    /// document URL
     #[must_use]
     pub fn new(discovery_url: Url) -> Self {
         Self { discovery_url }
@@ -216,10 +218,14 @@ impl TemplateContext for IndexContext {
     }
 }
 
+/// Fields of the login form
 #[derive(Serialize, Debug, Clone, Copy, Hash, PartialEq, Eq)]
 #[serde(rename_all = "snake_case")]
 pub enum LoginFormField {
+    /// The username field
     Username,
+
+    /// The password field
     Password,
 }
 
@@ -227,7 +233,11 @@ pub enum LoginFormField {
 #[derive(Serialize)]
 #[serde(tag = "kind", rename_all = "snake_case")]
 pub enum PostAuthContext {
-    ContinueAuthorizationGrant { grant: AuthorizationGrant<()> },
+    /// Continue an authorization grant
+    ContinueAuthorizationGrant {
+        /// The authorization grant that will be continued after authentication
+        grant: AuthorizationGrant<()>,
+    },
 }
 
 /// Context used by the `login.html` template
@@ -253,11 +263,13 @@ impl TemplateContext for LoginContext {
 }
 
 impl LoginContext {
+    /// Add an error on the login form
     #[must_use]
     pub fn with_form_error(self, form: ErroredForm<LoginFormField>) -> Self {
         Self { form, ..self }
     }
 
+    /// Add a post authentication action to the context
     #[must_use]
     pub fn with_post_action(self, next: PostAuthContext) -> Self {
         Self {
@@ -266,6 +278,7 @@ impl LoginContext {
         }
     }
 
+    /// Add a registration link to the context
     #[must_use]
     pub fn with_register_link(self, register_link: String) -> Self {
         Self {
@@ -285,11 +298,17 @@ impl Default for LoginContext {
     }
 }
 
+/// Fields of the registration form
 #[derive(Serialize, Debug, Clone, Copy, Hash, PartialEq, Eq)]
 #[serde(rename_all = "snake_case")]
 pub enum RegisterFormField {
+    /// The username field
     Username,
+
+    /// The password field
     Password,
+
+    /// The password confirmation field
     PasswordConfirm,
 }
 
@@ -316,11 +335,13 @@ impl TemplateContext for RegisterContext {
 }
 
 impl RegisterContext {
+    /// Add an error on the registration form
     #[must_use]
     pub fn with_form_error(self, form: ErroredForm<LoginFormField>) -> Self {
         Self { form, ..self }
     }
 
+    /// Add a post authentication action to the context
     #[must_use]
     pub fn with_post_action(self, next: PostAuthContext) -> Self {
         Self {
@@ -329,6 +350,7 @@ impl RegisterContext {
         }
     }
 
+    /// Add a login link to the context
     #[must_use]
     pub fn with_login_link(self, login_link: String) -> Self {
         Self { login_link, ..self }
@@ -345,9 +367,11 @@ impl Default for RegisterContext {
     }
 }
 
+/// Fields of the reauthentication form
 #[derive(Serialize, Debug, Clone, Copy, Hash, PartialEq, Eq)]
 #[serde(rename_all = "kebab-case")]
 pub enum ReauthFormField {
+    /// The password field
     Password,
 }
 
@@ -365,11 +389,13 @@ impl TemplateContext for ReauthContext {
 }
 
 impl ReauthContext {
+    /// Add an error on the reauthentication form
     #[must_use]
     pub fn with_form_error(self, form: ErroredForm<ReauthFormField>) -> Self {
         Self { form, ..self }
     }
 
+    /// Add a post authentication action to the context
     #[must_use]
     pub fn with_post_action(self, next: PostAuthContext) -> Self {
         Self {
@@ -403,6 +429,7 @@ pub struct AccountContext {
 }
 
 impl AccountContext {
+    /// Constructs a context for the "my account" page
     #[must_use]
     pub fn new<T>(active_sessions: usize, emails: Vec<T>) -> Self
     where
@@ -433,6 +460,7 @@ pub struct AccountEmailsContext<T: StorageBackend> {
 }
 
 impl<T: StorageBackend> AccountEmailsContext<T> {
+    /// Constructs a context for the email management page
     #[must_use]
     pub fn new(emails: Vec<UserEmail<T>>) -> Self {
         Self { emails }
@@ -457,6 +485,7 @@ pub struct EmailVerificationContext {
 }
 
 impl EmailVerificationContext {
+    /// Constructs a context for the verification email
     #[must_use]
     pub fn new(user: User<()>, verification_link: Url) -> Self {
         Self {
@@ -507,6 +536,7 @@ impl<T: TemplateContext> TemplateContext for FormPostContext<T> {
 }
 
 impl<T> FormPostContext<T> {
+    /// Constructs a context for the `form_post` response mode form
     pub fn new(redirect_uri: Url, params: T) -> Self {
         Self {
             redirect_uri,
@@ -540,23 +570,27 @@ impl TemplateContext for ErrorContext {
 }
 
 impl ErrorContext {
+    /// Constructs a context for the error page
     #[must_use]
     pub fn new() -> Self {
         Self::default()
     }
 
+    /// Add the error code to the context
     #[must_use]
     pub fn with_code(mut self, code: &'static str) -> Self {
         self.code = Some(code);
         self
     }
 
+    /// Add the error description to the context
     #[must_use]
     pub fn with_description(mut self, description: String) -> Self {
         self.description = Some(description);
         self
     }
 
+    /// Add the error details to the context
     #[allow(dead_code)]
     #[must_use]
     pub fn with_details(mut self, details: String) -> Self {

crates/templates/src/lib.rs

@@ -13,13 +13,9 @@
 // limitations under the License.
 
 #![forbid(unsafe_code)]
-#![deny(missing_docs)]
-#![deny(clippy::all)]
-#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(clippy::all, missing_docs, rustdoc::broken_intra_doc_links)]
 #![warn(clippy::pedantic)]
-#![allow(clippy::module_name_repetitions)]
-#![allow(clippy::missing_panics_doc)]
-#![allow(clippy::missing_errors_doc)]
+#![allow(clippy::module_name_repetitions, clippy::missing_errors_doc)]
 
 //! Templates rendering
 
@@ -40,7 +36,6 @@ use thiserror::Error;
 use tokio::{fs::OpenOptions, io::AsyncWriteExt, sync::RwLock, task::JoinError};
 use tracing::{debug, info, warn};
 
-#[allow(missing_docs)] // TODO
 mod context;
 mod functions;
 

crates/warp-utils/src/errors.rs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! Helper to deal with various unstructured errors in application code
+
 use warp::{reject::Reject, Rejection};
 
 #[derive(Debug)]
@@ -19,11 +21,14 @@ pub(crate) struct WrappedError(anyhow::Error);
 
 impl warp::reject::Reject for WrappedError {}
 
+/// Wrap any error in a [`Rejection`]
 pub fn wrapped_error<T: Into<anyhow::Error>>(e: T) -> impl Reject {
     WrappedError(e.into())
 }
 
+/// Extension trait that wraps errors in [`Rejection`]s
 pub trait WrapError<T> {
+    /// Wrap transform the [`Result`] error type to a [`Rejection`]
     fn wrap_error(self) -> Result<T, Rejection>;
 }
 

crates/warp-utils/src/filters/client.rs

@@ -94,6 +94,7 @@ enum ClientAuthenticationError {
 
 impl Reject for ClientAuthenticationError {}
 
+#[allow(clippy::too_many_lines)]
 async fn authenticate_client<T>(
     clients_config: ClientsConfig,
     audience: String,

crates/warp-utils/src/filters/cookies.rs

@@ -134,12 +134,12 @@ where
     warp::cookie::cookie(T::cookie_key()).and_then(move |value: String| {
         let encrypter = encrypter.clone();
         async move {
-            let encrypted =
+            let encrypted_payload =
                 EncryptedCookie::from_cookie_value(&value).map_err(decryption_error::<T>)?;
-            let decrypted = encrypted
+            let decrypted_payload = encrypted_payload
                 .decrypt(&encrypter)
                 .map_err(decryption_error::<T>)?;
-            Ok::<_, Rejection>(decrypted)
+            Ok::<_, Rejection>(decrypted_payload)
         }
     })
 }

crates/warp-utils/src/filters/url_builder.rs

@@ -37,11 +37,13 @@ pub struct UrlBuilder {
 
 impl UrlBuilder {
     /// OIDC issuer
+    #[must_use]
     pub fn oidc_issuer(&self) -> Url {
         self.base.clone()
     }
 
     /// OIDC dicovery document URL
+    #[must_use]
     pub fn oidc_discovery(&self) -> Url {
         self.base
             .join(".well-known/openid-configuration")
@@ -49,31 +51,37 @@ impl UrlBuilder {
     }
 
     /// OAuth 2.0 authorization endpoint
+    #[must_use]
     pub fn oauth_authorization_endpoint(&self) -> Url {
         self.base.join("oauth2/authorize").expect("build URL")
     }
 
     /// OAuth 2.0 token endpoint
+    #[must_use]
     pub fn oauth_token_endpoint(&self) -> Url {
         self.base.join("oauth2/token").expect("build URL")
     }
 
     /// OAuth 2.0 introspection endpoint
+    #[must_use]
     pub fn oauth_introspection_endpoint(&self) -> Url {
         self.base.join("oauth2/introspect").expect("build URL")
     }
 
     /// OAuth 2.0 introspection endpoint
+    #[must_use]
     pub fn oidc_userinfo_endpoint(&self) -> Url {
         self.base.join("oauth2/userinfo").expect("build URL")
     }
 
     /// JWKS URI
+    #[must_use]
     pub fn jwks_uri(&self) -> Url {
         self.base.join("oauth2/keys.json").expect("build URL")
     }
 
     /// Email verification URL
+    #[must_use]
     pub fn email_verification(&self, code: &str) -> Url {
         self.base
             .join("verify")
@@ -84,6 +92,7 @@ impl UrlBuilder {
 }
 
 /// Injects an [`UrlBuilder`] to help building absolute URLs
+#[must_use]
 pub fn url_builder(
     config: &HttpConfig,
 ) -> impl Filter<Extract = (UrlBuilder,), Error = Infallible> + Clone + Send + Sync + 'static {

crates/warp-utils/src/lib.rs

@@ -12,6 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! Various warp filters and replies
+
+#![forbid(unsafe_code)]
+#![deny(clippy::all, missing_docs, rustdoc::broken_intra_doc_links)]
+#![warn(clippy::pedantic)]
+#![allow(clippy::module_name_repetitions, clippy::missing_errors_doc)]
+
 pub mod errors;
 pub mod filters;
 pub mod reply;