feat: Add implementations for IntoCertCompressionAlgorithm

examples/impersonate_settings.rs

@@ -6,7 +6,6 @@ use rquest::{
 use rquest::{Client, ImpersonateSettings};
 use rquest::{Http2Settings, PseudoOrder::*, SettingsOrder::*};
 use rquest::{Priority, StreamDependency, StreamId};
-use std::borrow::Cow;
 
 // ============== TLS Extension Algorithms ==============
 
@@ -119,7 +118,7 @@ async fn main() -> Result<(), rquest::Error> {
         .cipher_list(CIPHER_LIST)
         .sigalgs_list(SIGALGS_LIST)
         .delegated_credentials(DELEGATED_CREDENTIALS)
-        .cert_compression_algorithm(Cow::Borrowed(CERT_COMPRESSION_ALGORITHM))
+        .cert_compression_algorithm(CERT_COMPRESSION_ALGORITHM)
         .record_size_limit(RECORD_SIZE_LIMIT)
         .alpn_protos(AlpnProtos::All)
         .alps_protos(AlpsProtos::Http2)

src/imp/firefox.rs

@@ -314,13 +314,13 @@ mod tls {
                 .enable_ocsp_stapling(true)
                 .enable_ech_grease(val.enable_ech_grease)
                 .alpn_protos(AlpnProtos::All)
-                .cert_compression_algorithm(val.cert_compression_algorithm.map(Cow::Borrowed))
                 .min_tls_version(TlsVersion::TLS_1_2)
                 .max_tls_version(TlsVersion::TLS_1_3)
                 .key_shares_limit(val.key_shares_limit)
                 .pre_shared_key(val.pre_shared_key)
                 .psk_skip_session_ticket(val.psk_skip_session_tickets)
                 .psk_dhe_ke(val.psk_dhe_ke)
+                .cert_compression_algorithm(val.cert_compression_algorithm)
                 .extension_permutation_indices(val.extension_permutation_indices)
                 .build()
         }

src/tls/mod.rs

@@ -369,7 +369,7 @@ pub struct TlsSettings {
     pub sigalgs_list: Option<Cow<'static, str>>,
 
     /// Certificates in TLS 1.3 can be compressed [RFC 8879](https://datatracker.ietf.org/doc/html/rfc8879).
-    #[builder(default, setter(into))]
+    #[builder(default, setter(transform = |input: impl IntoCertCompressionAlgorithm| input.into()))]
     pub cert_compression_algorithm: Option<Cow<'static, [CertCompressionAlgorithm]>>,
 
     /// Sets the context's extension permutation indices.
@@ -413,3 +413,52 @@ impl_debug!(
         extension_permutation_indices
     }
 );
+
+/// A trait for converting various types into an optional `Cow` containing a slice of `CertCompressionAlgorithm`.
+///
+/// This trait is used to provide a unified way to convert different types
+/// into an optional `Cow` containing a slice of `CertCompressionAlgorithm`.
+pub trait IntoCertCompressionAlgorithm {
+    /// Converts the implementing type into an optional `Cow` containing a slice of `CertCompressionAlgorithm`.
+    fn into(self) -> Option<Cow<'static, [CertCompressionAlgorithm]>>;
+}
+
+/// Implements `IntoCertCompressionAlgorithm` for a static slice of `CertCompressionAlgorithm`.
+///
+/// This implementation allows a static slice of `CertCompressionAlgorithm` to be converted
+/// into an optional `Cow` containing a borrowed slice of `CertCompressionAlgorithm`.
+impl IntoCertCompressionAlgorithm for &'static [CertCompressionAlgorithm] {
+    fn into(self) -> Option<Cow<'static, [CertCompressionAlgorithm]>> {
+        Some(Cow::Borrowed(&self))
+    }
+}
+
+/// Implements `IntoCertCompressionAlgorithm` for a `Cow` containing a slice of `CertCompressionAlgorithm`.
+///
+/// This implementation allows a `Cow` containing a slice of `CertCompressionAlgorithm` to be converted
+/// into an optional `Cow` containing the same slice of `CertCompressionAlgorithm`.
+impl IntoCertCompressionAlgorithm for Cow<'static, [CertCompressionAlgorithm]> {
+    fn into(self) -> Option<Cow<'static, [CertCompressionAlgorithm]>> {
+        Some(self)
+    }
+}
+
+/// Implements `IntoCertCompressionAlgorithm` for an optional static slice of `CertCompressionAlgorithm`.
+///
+/// This implementation allows an optional static slice of `CertCompressionAlgorithm` to be converted
+/// into an optional `Cow` containing a borrowed slice of `CertCompressionAlgorithm`.
+impl IntoCertCompressionAlgorithm for Option<&'static [CertCompressionAlgorithm]> {
+    fn into(self) -> Option<Cow<'static, [CertCompressionAlgorithm]>> {
+        self.map(Cow::Borrowed)
+    }
+}
+
+/// Implements `IntoCertCompressionAlgorithm` for an optional `Cow` containing a slice of `CertCompressionAlgorithm`.
+///
+/// This implementation allows an optional `Cow` containing a slice of `CertCompressionAlgorithm` to be converted
+/// into an optional `Cow` containing the same slice of `CertCompressionAlgorithm`.
+impl IntoCertCompressionAlgorithm for Option<Cow<'static, [CertCompressionAlgorithm]>> {
+    fn into(self) -> Option<Cow<'static, [CertCompressionAlgorithm]>> {
+        self
+    }
+}