Add Header trait

Fixed headers: TE, TransferEncoding

Author: yoshuawuyts

src/auth/authorization.rs

@@ -1,6 +1,6 @@
 use crate::auth::AuthenticationScheme;
 use crate::bail_status as bail;
-use crate::headers::{HeaderName, HeaderValue, Headers, AUTHORIZATION};
+use crate::headers::{Header, HeaderName, HeaderValue, Headers, AUTHORIZATION};
 
 /// Credentials to authenticate a user agent with a server.
 ///
@@ -78,7 +78,7 @@ impl Authorization {
 
     /// Get the `HeaderName`.
     pub fn name(&self) -> HeaderName {
-        AUTHORIZATION
+        self.header_name()
     }
 
     /// Get the `HeaderValue`.
@@ -110,6 +110,16 @@ impl Authorization {
     }
 }
 
+impl Header for Authorization {
+    fn header_name(&self) -> HeaderName {
+        AUTHORIZATION
+    }
+
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 #[cfg(test)]
 mod test {
     use super::*;

src/auth/basic_auth.rs

@@ -1,3 +1,5 @@
+use anyhow::bail;
+
 use crate::auth::{AuthenticationScheme, Authorization};
 use crate::headers::{HeaderName, HeaderValue, Headers, AUTHORIZATION};
 use crate::Status;
@@ -113,6 +115,16 @@ impl BasicAuth {
     }
 }
 
+impl crate::headers::Header for BasicAuth {
+    fn header_name(&self) -> HeaderName {
+        AUTHORIZATION
+    }
+
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 #[cfg(test)]
 mod test {
     use super::*;

src/auth/www_authenticate.rs

@@ -132,6 +132,16 @@ impl WwwAuthenticate {
     }
 }
 
+impl crate::headers::Header for WwwAuthenticate {
+    fn header_name(&self) -> HeaderName {
+        WWW_AUTHENTICATE
+    }
+
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 #[cfg(test)]
 mod test {
     use super::*;

src/cache/age.rs

@@ -95,6 +95,16 @@ impl ToHeaderValues for Age {
     }
 }
 
+impl crate::headers::Header for Age {
+    fn header_name(&self) -> HeaderName {
+        AGE
+    }
+
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 #[cfg(test)]
 mod test {
     use super::*;

src/cache/cache_control/cache_control.rs

@@ -104,6 +104,15 @@ impl CacheControl {
     }
 }
 
+impl crate::headers::Header for CacheControl {
+    fn header_name(&self) -> HeaderName {
+        CACHE_CONTROL
+    }
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 impl IntoIterator for CacheControl {
     type Item = CacheDirective;
     type IntoIter = IntoIter;

src/cache/clear_site_data/mod.rs

@@ -249,6 +249,15 @@ impl Debug for ClearSiteData {
     }
 }
 
+impl crate::headers::Header for ClearSiteData {
+    fn header_name(&self) -> HeaderName {
+        CLEAR_SITE_DATA
+    }
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 #[cfg(test)]
 mod test {
     use crate::cache::{ClearDirective, ClearSiteData};

src/cache/expires.rs

@@ -90,6 +90,15 @@ impl Expires {
     }
 }
 
+impl crate::headers::Header for Expires {
+    fn header_name(&self) -> HeaderName {
+        EXPIRES
+    }
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 impl ToHeaderValues for Expires {
     type Iter = option::IntoIter<HeaderValue>;
     fn to_header_values(&self) -> crate::Result<Self::Iter> {

src/conditional/etag.rs

@@ -130,6 +130,15 @@ impl ETag {
     }
 }
 
+impl crate::headers::Header for ETag {
+    fn header_name(&self) -> HeaderName {
+        ETAG
+    }
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 impl Display for ETag {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {

src/conditional/if_match.rs

@@ -1,5 +1,7 @@
 //! Apply the HTTP method if the ETag matches.
 
+use http::header::IF_MATCH;
+
 use crate::conditional::ETag;
 use crate::headers::{HeaderName, HeaderValue, Headers, ToHeaderValues, IF_MATCH};
 
@@ -134,6 +136,15 @@ impl IfMatch {
     }
 }
 
+impl crate::headers::Header for IfMatch {
+    fn header_name(&self) -> HeaderName {
+        IF_MATCH
+    }
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 impl IntoIterator for IfMatch {
     type Item = ETag;
     type IntoIter = IntoIter;

src/conditional/if_modified_since.rs

@@ -1,3 +1,5 @@
+use http::header::IF_MODIFIED_SINCE;
+
 use crate::headers::{HeaderName, HeaderValue, Headers, ToHeaderValues, IF_MODIFIED_SINCE};
 use crate::utils::{fmt_http_date, parse_http_date};
 
@@ -93,6 +95,15 @@ impl ToHeaderValues for IfModifiedSince {
     }
 }
 
+impl crate::headers::Header for IfModifiedSince {
+    fn header_name(&self) -> HeaderName {
+        IF_MODIFIED_SINCE
+    }
+    fn header_value(&self) -> HeaderValue {
+        self.value()
+    }
+}
+
 #[cfg(test)]
 mod test {
     use super::*;