feat(session): add rustls (actix#342)

actix-session/CHANGES.md

@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+- Added support for using `rustls` in `actix-session` instead of `native-tls`
 - Remove `redis-actor-session` crate feature (and, therefore, the `actix-redis` based storage backend).
 
 ## 0.9.0

actix-session/Cargo.toml

@@ -22,6 +22,7 @@ default = []
 cookie-session = []
 redis-rs-session = ["redis", "rand"]
 redis-rs-tls-session = ["redis-rs-session", "redis/tokio-native-tls-comp"]
+redis-rs-tls-session-rustls = ["redis-rs-session", "redis/tokio-rustls-comp"]
 
 [dependencies]
 actix-service = "2"

actix-session/README.md

@@ -108,12 +108,20 @@ By default, `actix-session` does not provide any storage backend to retrieve and
   actix-session = { version = "...", features = ["redis-rs-session"] }
   ```
 
-  Add the `redis-rs-tls-session` feature flag if you want to connect to Redis using a secured connection:
+  Add the `redis-rs-tls-session` feature flag if you want to connect to Redis using a secured connection (via the `native-tls` crate):
 
   ```toml
   [dependencies]
   # ...
-  actix-session = { version = "...", features = ["redis-rs-session", "redis-rs-tls-session"] }
+  actix-session = { version = "...", features = ["redis-rs-tls-session"] }
+  ```
+
+  If you instead prefer depending on `rustls`, use the `redis-rs-tls-session-rustls` feature flag:
+
+  ```toml
+  [dependencies]
+  # ...
+  actix-session = { version = "...", features = ["redis-rs-tls-session-rustls"] }
   ```
 
 You can implement your own session storage backend using the [`SessionStore`] trait.

actix-session/src/lib.rs

@@ -116,12 +116,20 @@ attached to your sessions. You can enable:
   ```
 
   Add the `redis-rs-tls-session` feature flag if you want to connect to Redis using a secured
-  connection:
+  connection (via the `native-tls` crate):
 
   ```toml
   [dependencies]
   # ...
-  actix-session = { version = "...", features = ["redis-rs-session", "redis-rs-tls-session"] }
+  actix-session = { version = "...", features = ["redis-rs-tls-session"] }
+  ```
+
+  If you instead prefer depending on `rustls`, use the `redis-rs-tls-session-rustls` feature flag:
+
+  ```toml
+  [dependencies]
+  # ...
+  actix-session = { version = "...", features = ["redis-rs-tls-session-rustls"] }
   ```
 
 You can implement your own session storage backend using the [`SessionStore`] trait.

actix-session/src/storage/redis_rs.rs

@@ -44,7 +44,7 @@ use crate::storage::{
 /// ```
 ///
 /// # TLS support
-/// Add the `redis-rs-tls-session` feature flag to enable TLS support. You can then establish a TLS
+/// Add the `redis-rs-tls-session` or `redis-rs-tls-session-rustls` feature flag to enable TLS support. You can then establish a TLS
 /// connection to Redis using the `rediss://` URL scheme:
 ///
 /// ```no_run