Don't use a global static as credentials cache

Author: konstin

Cargo.lock

@@ -11,8 +11,8 @@ use url::Url;
 use uv_once_map::OnceMap;
 use uv_redacted::DisplaySafeUrl;
 
-use crate::Realm;
 use crate::credentials::{Authentication, Username};
+use crate::{Credentials, Realm};
 
 type FxOnceMap<K, V> = OnceMap<K, V, BuildHasherDefault<FxHasher>>;
 
@@ -33,6 +33,7 @@ impl Display for FetchUrl {
     }
 }
 
+#[derive(Debug)] // All internal types are redacted.
 pub struct CredentialsCache {
     /// A cache per realm and username
     realms: RwLock<FxHashMap<(Realm, Username), Arc<Authentication>>>,
@@ -58,6 +59,27 @@ impl CredentialsCache {
         }
     }
 
+    /// Populate the global authentication store with credentials on a URL, if there are any.
+    ///
+    /// Returns `true` if the store was updated.
+    pub fn store_credentials_from_url(&self, url: &DisplaySafeUrl) -> bool {
+        if let Some(credentials) = Credentials::from_url(url) {
+            trace!("Caching credentials for {url}");
+            self.insert(url, Arc::new(Authentication::from(credentials)));
+            true
+        } else {
+            false
+        }
+    }
+
+    /// Populate the global authentication store with credentials on a URL, if there are any.
+    ///
+    /// Returns `true` if the store was updated.
+    pub fn store_credentials(&self, url: &DisplaySafeUrl, credentials: Credentials) {
+        trace!("Caching credentials for {url}");
+        self.insert(url, Arc::new(Authentication::from(credentials)));
+    }
+
     /// Return the credentials that should be used for a realm and username, if any.
     pub(crate) fn get_realm(
         &self,

crates/uv-auth/src/cache.rs

@@ -1,12 +1,5 @@
-use std::sync::{Arc, LazyLock};
-
-use tracing::trace;
-
-use uv_redacted::DisplaySafeUrl;
-
-use crate::credentials::Authentication;
 pub use access_token::AccessToken;
-use cache::CredentialsCache;
+pub use cache::CredentialsCache;
 pub use credentials::{Credentials, Username};
 pub use index::{AuthPolicy, Index, Indexes};
 pub use keyring::KeyringProvider;
@@ -29,32 +22,3 @@ mod pyx;
 mod realm;
 mod service;
 mod store;
-
-// TODO(zanieb): Consider passing a cache explicitly throughout
-
-/// Global authentication cache for a uv invocation
-///
-/// This is used to share credentials across uv clients.
-pub(crate) static CREDENTIALS_CACHE: LazyLock<CredentialsCache> =
-    LazyLock::new(CredentialsCache::default);
-
-/// Populate the global authentication store with credentials on a URL, if there are any.
-///
-/// Returns `true` if the store was updated.
-pub fn store_credentials_from_url(url: &DisplaySafeUrl) -> bool {
-    if let Some(credentials) = Credentials::from_url(url) {
-        trace!("Caching credentials for {url}");
-        CREDENTIALS_CACHE.insert(url, Arc::new(Authentication::from(credentials)));
-        true
-    } else {
-        false
-    }
-}
-
-/// Populate the global authentication store with credentials on a URL, if there are any.
-///
-/// Returns `true` if the store was updated.
-pub fn store_credentials(url: &DisplaySafeUrl, credentials: Credentials) {
-    trace!("Caching credentials for {url}");
-    CREDENTIALS_CACHE.insert(url, Arc::new(Authentication::from(credentials)));
-}

crates/uv-auth/src/lib.rs

@@ -16,7 +16,7 @@ use crate::credentials::Authentication;
 use crate::providers::{HuggingFaceProvider, S3EndpointProvider};
 use crate::pyx::{DEFAULT_TOLERANCE_SECS, PyxTokenStore};
 use crate::{
-    AccessToken, CREDENTIALS_CACHE, CredentialsCache, KeyringProvider,
+    AccessToken, CredentialsCache, KeyringProvider,
     cache::FetchUrl,
     credentials::{Credentials, Username},
     index::{AuthPolicy, Indexes},
@@ -126,7 +126,8 @@ pub struct AuthMiddleware {
     netrc: NetrcMode,
     text_store: TextStoreMode,
     keyring: Option<KeyringProvider>,
-    cache: Option<CredentialsCache>,
+    /// Global authentication cache for a uv invocation to share credentials across uv clients.
+    cache: Arc<CredentialsCache>,
     /// Auth policies for specific URLs.
     indexes: Indexes,
     /// Set all endpoints as needing authentication. We never try to send an
@@ -141,13 +142,20 @@ pub struct AuthMiddleware {
     preview: Preview,
 }
 
+impl Default for AuthMiddleware {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl AuthMiddleware {
     pub fn new() -> Self {
         Self {
             netrc: NetrcMode::default(),
             text_store: TextStoreMode::default(),
             keyring: None,
-            cache: None,
+            // TODO(konsti): There shouldn't be a credential cache without that in the initializer.
+            cache: Arc::new(CredentialsCache::default()),
             indexes: Indexes::new(),
             only_authenticated: false,
             base_client: None,
@@ -200,7 +208,7 @@ impl AuthMiddleware {
     /// Configure the [`CredentialsCache`] to use.
     #[must_use]
     pub fn with_cache(mut self, cache: CredentialsCache) -> Self {
-        self.cache = Some(cache);
+        self.cache = Arc::new(cache);
         self
     }
 
@@ -233,17 +241,9 @@ impl AuthMiddleware {
         self
     }
 
-    /// Get the configured authentication store.
-    ///
-    /// If not set, the global store is used.
+    /// Global authentication cache for a uv invocation to share credentials across uv clients.
     fn cache(&self) -> &CredentialsCache {
-        self.cache.as_ref().unwrap_or(&CREDENTIALS_CACHE)
-    }
-}
-
-impl Default for AuthMiddleware {
-    fn default() -> Self {
-        Self::new()
+        &self.cache
     }
 }
 

crates/uv-auth/src/middleware.rs

@@ -17,6 +17,7 @@ doctest = false
 workspace = true
 
 [dependencies]
+uv-auth = { workspace = true }
 uv-cache-key = { workspace = true }
 uv-configuration = { workspace = true }
 uv-distribution = { workspace = true }

crates/uv-build-frontend/Cargo.toml

@@ -28,7 +28,7 @@ use tokio::io::AsyncBufReadExt;
 use tokio::process::Command;
 use tokio::sync::{Mutex, Semaphore};
 use tracing::{Instrument, debug, info_span, instrument, warn};
-
+use uv_auth::CredentialsCache;
 use uv_cache_key::cache_digest;
 use uv_configuration::{BuildKind, BuildOutput, SourceStrategy};
 use uv_distribution::BuildRequires;
@@ -292,6 +292,7 @@ impl SourceBuild {
         mut environment_variables: FxHashMap<OsString, OsString>,
         level: BuildOutput,
         concurrent_builds: usize,
+        credentials_cache: &CredentialsCache,
         preview: Preview,
     ) -> Result<Self, Error> {
         let temp_dir = build_context.cache().venv_dir()?;
@@ -312,6 +313,7 @@ impl SourceBuild {
             source_strategy,
             workspace_cache,
             &default_backend,
+            credentials_cache,
         )
         .await
         .map_err(|err| *err)?;
@@ -455,6 +457,7 @@ impl SourceBuild {
                 &environment_variables,
                 &modified_path,
                 &temp_dir,
+                credentials_cache,
             )
             .await?;
         }
@@ -561,6 +564,7 @@ impl SourceBuild {
         source_strategy: SourceStrategy,
         workspace_cache: &WorkspaceCache,
         default_backend: &Pep517Backend,
+        credentials_cache: &CredentialsCache,
     ) -> Result<(Pep517Backend, Option<Project>), Box<Error>> {
         match fs::read_to_string(source_tree.join("pyproject.toml")) {
             Ok(toml) => {
@@ -589,6 +593,7 @@ impl SourceBuild {
                                     locations,
                                     source_strategy,
                                     workspace_cache,
+                                    credentials_cache,
                                 )
                                 .await
                                 .map_err(Error::Lowering)?;
@@ -961,6 +966,7 @@ async fn create_pep517_build_environment(
     environment_variables: &FxHashMap<OsString, OsString>,
     modified_path: &OsString,
     temp_dir: &TempDir,
+    credentials_cache: &CredentialsCache,
 ) -> Result<(), Error> {
     // Write the hook output to a file so that we can read it back reliably.
     let outfile = temp_dir
@@ -1055,6 +1061,7 @@ async fn create_pep517_build_environment(
                 locations,
                 source_strategy,
                 workspace_cache,
+                credentials_cache,
             )
             .await
             .map_err(Error::Lowering)?;

crates/uv-build-frontend/src/lib.rs

@@ -28,7 +28,7 @@ use tracing::{debug, trace};
 use url::ParseError;
 use url::Url;
 
-use uv_auth::{AuthMiddleware, Credentials, Indexes, PyxTokenStore};
+use uv_auth::{AuthMiddleware, Credentials, CredentialsCache, Indexes, PyxTokenStore};
 use uv_configuration::{KeyringProviderType, TrustedHost};
 use uv_fs::Simplified;
 use uv_pep508::MarkerEnvironment;
@@ -78,6 +78,8 @@ pub struct BaseClientBuilder<'a> {
     markers: Option<&'a MarkerEnvironment>,
     platform: Option<&'a Platform>,
     auth_integration: AuthIntegration,
+    /// Global authentication cache for a uv invocation to share credentials across uv clients.
+    credentials_cache: Arc<CredentialsCache>,
     indexes: Indexes,
     timeout: Duration,
     extra_middleware: Option<ExtraMiddleware>,
@@ -136,6 +138,7 @@ impl Default for BaseClientBuilder<'_> {
             markers: None,
             platform: None,
             auth_integration: AuthIntegration::default(),
+            credentials_cache: Arc::new(CredentialsCache::default()),
             indexes: Indexes::new(),
             timeout: Duration::from_secs(30),
             extra_middleware: None,
@@ -147,7 +150,7 @@ impl Default for BaseClientBuilder<'_> {
     }
 }
 
-impl BaseClientBuilder<'_> {
+impl<'a> BaseClientBuilder<'a> {
     pub fn new(
         connectivity: Connectivity,
         native_tls: bool,
@@ -166,9 +169,7 @@ impl BaseClientBuilder<'_> {
             ..Self::default()
         }
     }
-}
 
-impl<'a> BaseClientBuilder<'a> {
     /// Use a custom reqwest client instead of creating a new one.
     ///
     /// This allows you to provide your own reqwest client with custom configuration.
@@ -276,6 +277,20 @@ impl<'a> BaseClientBuilder<'a> {
         self
     }
 
+    pub fn credentials_cache(&self) -> &CredentialsCache {
+        &self.credentials_cache
+    }
+
+    /// See [`CredentialsCache::store_credentials_from_url`].
+    pub fn store_credentials_from_url(&self, url: &DisplaySafeUrl) -> bool {
+        self.credentials_cache.store_credentials_from_url(url)
+    }
+
+    /// See [`CredentialsCache::store_credentials`].
+    pub fn store_credentials(&self, url: &DisplaySafeUrl, credentials: Credentials) {
+        self.credentials_cache.store_credentials(url, credentials);
+    }
+
     pub fn is_native_tls(&self) -> bool {
         self.native_tls
     }
@@ -324,6 +339,7 @@ impl<'a> BaseClientBuilder<'a> {
             dangerous_client,
             raw_dangerous_client,
             timeout,
+            credentials_cache: self.credentials_cache.clone(),
         }
     }
 
@@ -350,6 +366,7 @@ impl<'a> BaseClientBuilder<'a> {
             raw_client: existing.raw_client.clone(),
             raw_dangerous_client: existing.raw_dangerous_client.clone(),
             timeout: existing.timeout,
+            credentials_cache: existing.credentials_cache.clone(),
         }
     }
 
@@ -608,6 +625,8 @@ pub struct BaseClient {
     allow_insecure_host: Vec<TrustedHost>,
     /// The number of retries to attempt on transient errors.
     retries: u32,
+    /// Global authentication cache for a uv invocation to share credentials across uv clients.
+    credentials_cache: Arc<CredentialsCache>,
 }
 
 #[derive(Debug, Clone, Copy)]
@@ -659,6 +678,10 @@ impl BaseClient {
         }
         builder.build_with_max_retries(self.retries)
     }
+
+    pub fn credentials_cache(&self) -> &CredentialsCache {
+        &self.credentials_cache
+    }
 }
 
 /// Wrapper around [`ClientWithMiddleware`] that manages redirects.