Base64 update

.github/workflows/ci.yml

@@ -15,45 +15,29 @@ jobs:
         rust: [stable, beta, nightly]
 
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
-          profile: minimal
-          override: true
-
-      - name: cargo test --all
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all
-      - name: cargo test --benches
-        if: matrix.rust == 'nightly'
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --benches
-
+          components: rustfmt
+      - run: cargo test --workspace
+      - if: matrix.rust == 'nightly'
+        run: cargo test --benches
       - name: Check minimal versions
         if: matrix.rust == 'nightly'
         run: |
           cargo clean
           cargo update -Z minimal-versions
           cargo check
+      - run: cargo fmt --all --check
 
   MSRV:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install rust ${{ env.minrust }}
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ env.minrust }}
-          profile: minimal
-          override: true
-
-      - name: cargo build
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
+      - run: cargo build

Cargo.toml

@@ -20,7 +20,6 @@ members = [
 http = "0.2.0"
 headers-core = { version = "0.2", path = "./headers-core" }
 base64 = "0.21"
-bitflags = "1.0"
 bytes = "1"
 mime = "0.3.14"
 sha1 = "0.10"

src/common/cache_control.rs

@@ -7,6 +7,7 @@ use util::{self, csv, Seconds};
 use HeaderValue;
 
 /// `Cache-Control` header, defined in [RFC7234](https://tools.ietf.org/html/rfc7234#section-5.2)
+/// with extensions in [RFC8246](https://www.rfc-editor.org/rfc/rfc8246)
 ///
 /// The `Cache-Control` header field is used to specify directives for
 /// caches along the request/response chain.  Such cache directives are
@@ -43,16 +44,32 @@ pub struct CacheControl {
     s_max_age: Option<Seconds>,
 }
 
-bitflags! {
-    struct Flags: u32 {
-        const NO_CACHE         = 0b00000001;
-        const NO_STORE         = 0b00000010;
-        const NO_TRANSFORM     = 0b00000100;
-        const ONLY_IF_CACHED   = 0b00001000;
-        const MUST_REVALIDATE  = 0b00010000;
-        const PUBLIC           = 0b00100000;
-        const PRIVATE          = 0b01000000;
-        const PROXY_REVALIDATE = 0b10000000;
+#[derive(Debug, Clone, PartialEq)]
+struct Flags {
+    bits: u64,
+}
+
+impl Flags {
+    const NO_CACHE: Self = Self { bits: 0b000000001 };
+    const NO_STORE: Self = Self { bits: 0b000000010 };
+    const NO_TRANSFORM: Self = Self { bits: 0b000000100 };
+    const ONLY_IF_CACHED: Self = Self { bits: 0b000001000 };
+    const MUST_REVALIDATE: Self = Self { bits: 0b000010000 };
+    const PUBLIC: Self = Self { bits: 0b000100000 };
+    const PRIVATE: Self = Self { bits: 0b001000000 };
+    const PROXY_REVALIDATE: Self = Self { bits: 0b010000000 };
+    const IMMUTABLE: Self = Self { bits: 0b100000000 };
+
+    fn empty() -> Self {
+        Self { bits: 0 }
+    }
+
+    fn contains(&self, flag: Self) -> bool {
+        (self.bits & flag.bits) != 0
+    }
+
+    fn insert(&mut self, flag: Self) {
+        self.bits |= flag.bits;
     }
 }
 
@@ -100,6 +117,11 @@ impl CacheControl {
         self.flags.contains(Flags::PRIVATE)
     }
 
+    /// Check if the `immutable` directive is set.
+    pub fn immutable(&self) -> bool {
+        self.flags.contains(Flags::IMMUTABLE)
+    }
+
     /// Get the value of the `max-age` directive if set.
     pub fn max_age(&self) -> Option<Duration> {
         self.max_age.map(Into::into)
@@ -158,27 +180,33 @@ impl CacheControl {
         self
     }
 
+    /// Set the `immutable` directive.
+    pub fn with_immutable(mut self) -> Self {
+        self.flags.insert(Flags::IMMUTABLE);
+        self
+    }
+
     /// Set the `max-age` directive.
-    pub fn with_max_age(mut self, seconds: Duration) -> Self {
-        self.max_age = Some(seconds.into());
+    pub fn with_max_age(mut self, duration: Duration) -> Self {
+        self.max_age = Some(duration.into());
         self
     }
 
     /// Set the `max-stale` directive.
-    pub fn with_max_stale(mut self, seconds: Duration) -> Self {
-        self.max_stale = Some(seconds.into());
+    pub fn with_max_stale(mut self, duration: Duration) -> Self {
+        self.max_stale = Some(duration.into());
         self
     }
 
     /// Set the `min-fresh` directive.
-    pub fn with_min_fresh(mut self, seconds: Duration) -> Self {
-        self.min_fresh = Some(seconds.into());
+    pub fn with_min_fresh(mut self, duration: Duration) -> Self {
+        self.min_fresh = Some(duration.into());
         self
     }
 
     /// Set the `s-maxage` directive.
-    pub fn with_s_max_age(mut self, seconds: Duration) -> Self {
-        self.s_max_age = Some(seconds.into());
+    pub fn with_s_max_age(mut self, duration: Duration) -> Self {
+        self.s_max_age = Some(duration.into());
         self
     }
 }
@@ -236,6 +264,9 @@ impl FromIterator<KnownDirective> for FromIter {
                 Directive::Private => {
                     cc.flags.insert(Flags::PRIVATE);
                 }
+                Directive::Immutable => {
+                    cc.flags.insert(Flags::IMMUTABLE);
+                }
                 Directive::ProxyRevalidate => {
                     cc.flags.insert(Flags::PROXY_REVALIDATE);
                 }
@@ -278,6 +309,7 @@ impl<'a> fmt::Display for Fmt<'a> {
             if_flag(Flags::MUST_REVALIDATE, Directive::MustRevalidate),
             if_flag(Flags::PUBLIC, Directive::Public),
             if_flag(Flags::PRIVATE, Directive::Private),
+            if_flag(Flags::IMMUTABLE, Directive::Immutable),
             if_flag(Flags::PROXY_REVALIDATE, Directive::ProxyRevalidate),
             self.0
                 .max_age
@@ -325,6 +357,7 @@ enum Directive {
     MustRevalidate,
     Public,
     Private,
+    Immutable,
     ProxyRevalidate,
     SMaxAge(u64),
 }
@@ -345,6 +378,7 @@ impl fmt::Display for Directive {
                 Directive::MustRevalidate => "must-revalidate",
                 Directive::Public => "public",
                 Directive::Private => "private",
+                Directive::Immutable => "immutable",
                 Directive::ProxyRevalidate => "proxy-revalidate",
                 Directive::SMaxAge(secs) => return write!(f, "s-maxage={}", secs),
             },
@@ -364,6 +398,7 @@ impl FromStr for KnownDirective {
             "must-revalidate" => Directive::MustRevalidate,
             "public" => Directive::Public,
             "private" => Directive::Private,
+            "immutable" => Directive::Immutable,
             "proxy-revalidate" => Directive::ProxyRevalidate,
             "" => return Err(()),
             _ => match s.find('=') {
@@ -428,9 +463,18 @@ mod tests {
         );
     }
 
+    #[test]
+    fn test_immutable() {
+        let cc = CacheControl::new().with_immutable();
+        let headers = test_encode(cc.clone());
+        assert_eq!(headers["cache-control"], "immutable");
+        assert_eq!(test_decode::<CacheControl>(&["immutable"]).unwrap(), cc);
+        assert!(cc.immutable());
+    }
+
     #[test]
     fn test_parse_bad_syntax() {
-        assert_eq!(test_decode::<CacheControl>(&["max-age=lolz"]), None,);
+        assert_eq!(test_decode::<CacheControl>(&["max-age=lolz"]), None);
     }
 
     #[test]

src/common/content_range.rs

@@ -178,22 +178,23 @@ fn split_in_two(s: &str, separator: char) -> Option<(&str, &str)> {
 }
 
 /*
-        test_header!(test_bytes,
-            vec![b"bytes 0-499/500"],
-            Some(ContentRange(ContentRangeSpec::Bytes {
-                range: Some((0, 499)),
-                complete_length: Some(500)
-            })));
-
-        test_header!(test_bytes_unknown_len,
-            vec![b"bytes 0-499/*"],
-            Some(ContentRange(ContentRangeSpec::Bytes {
-                range: Some((0, 499)),
-                complete_length: None
-            })));
-
-        test_header!(test_bytes_unknown_range,
-            vec![b"bytes */500"],
+test_header!(test_bytes,
+    vec![b"bytes 0-499/500"],
+    Some(ContentRange(ContentRangeSpec::Bytes {
+        range: Some((0, 499)),
+        complete_length: Some(500)
+    })));
+
+test_header!(test_bytes_unknown_len,
+    vec![b"bytes 0-499/*"],
+    Some(ContentRange(ContentRangeSpec::Bytes {
+        range: Some((0, 499)),
+        complete_length: None
+    })));
+
+test_header!(test_bytes_unknown_range,
+    vec![b"bytes */
+500"],
             Some(ContentRange(ContentRangeSpec::Bytes {
                 range: None,
                 complete_length: Some(500)

src/common/content_type.rs

@@ -135,6 +135,16 @@ impl fmt::Display for ContentType {
     }
 }
 
+impl std::str::FromStr for ContentType {
+    type Err = ::Error;
+
+    fn from_str(s: &str) -> Result<ContentType, Self::Err> {
+        s.parse::<Mime>()
+            .map(|m| m.into())
+            .map_err(|_| ::Error::invalid())
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::super::test_decode;
@@ -148,6 +158,15 @@ mod tests {
         );
     }
 
+    #[test]
+    fn from_str() {
+        assert_eq!(
+            "application/json".parse::<ContentType>().unwrap(),
+            ContentType::json(),
+        );
+        assert!("invalid-mimetype".parse::<ContentType>().is_err());
+    }
+
     bench_header!(bench_plain, ContentType, "text/plain");
     bench_header!(bench_json, ContentType, "application/json");
     bench_header!(

src/common/etag.rs

@@ -50,9 +50,7 @@ error_type!(InvalidETag);
 impl FromStr for ETag {
     type Err = InvalidETag;
     fn from_str(src: &str) -> Result<Self, Self::Err> {
-        let val = src
-            .parse()
-            .map_err(|_| InvalidETag { _inner: () })?;
+        let val = src.parse().map_err(|_| InvalidETag { _inner: () })?;
 
         EntityTag::from_owned(val)
             .map(ETag)

src/common/host.rs

@@ -1,5 +1,5 @@
-use std::fmt;
 use std::convert::TryFrom;
+use std::fmt;
 
 use http::uri::Authority;
 

src/common/if_range.rs

@@ -64,7 +64,9 @@ impl IfRange {
     pub fn is_modified(&self, etag: Option<&ETag>, last_modified: Option<&LastModified>) -> bool {
         match self.0 {
             IfRange_::Date(since) => last_modified.map(|time| since < time.0).unwrap_or(true),
-            IfRange_::EntityTag(ref entity) => etag.map(|etag| !etag.0.strong_eq(entity)).unwrap_or(true),
+            IfRange_::EntityTag(ref entity) => {
+                etag.map(|etag| !etag.0.strong_eq(entity)).unwrap_or(true)
+            }
         }
     }
 }

src/common/origin.rs

@@ -1,5 +1,5 @@
-use std::fmt;
 use std::convert::TryFrom;
+use std::fmt;
 
 use bytes::Bytes;
 use http::uri::{self, Authority, Scheme, Uri};

src/lib.rs

@@ -73,8 +73,6 @@
 //! ```
 
 extern crate base64;
-#[macro_use]
-extern crate bitflags;
 extern crate bytes;
 extern crate headers_core;
 extern crate http;

src/util/entity.rs

@@ -167,9 +167,7 @@ impl EntityTag {
     }
 
     pub(crate) fn from_val(val: &HeaderValue) -> Option<EntityTag> {
-        EntityTag::parse(val.as_bytes()).map(|_entity| {
-            EntityTag(val.clone())
-        })
+        EntityTag::parse(val.as_bytes()).map(|_entity| EntityTag(val.clone()))
     }
 }
 
@@ -239,11 +237,10 @@ impl EntityTagRange {
     {
         match *self {
             EntityTagRange::Any => true,
-            EntityTagRange::Tags(ref tags) => {
-                tags.iter()
-                    .flat_map(EntityTag::<&str>::parse)
-                    .any(|tag| func(&tag, entity))
-            },
+            EntityTagRange::Tags(ref tags) => tags
+                .iter()
+                .flat_map(EntityTag::<&str>::parse)
+                .any(|tag| func(&tag, entity)),
         }
     }
 }

src/util/flat_csv.rs

@@ -120,8 +120,8 @@ impl<'a, Sep: Separator> FromIterator<&'a HeaderValue> for FlatCsv<Sep> {
             buf.extend_from_slice(val.as_bytes());
         }
 
-        let val =
-            HeaderValue::from_maybe_shared(buf.freeze()).expect("comma separated HeaderValues are valid");
+        let val = HeaderValue::from_maybe_shared(buf.freeze())
+            .expect("comma separated HeaderValues are valid");
 
         val.into()
     }
@@ -151,8 +151,8 @@ impl<Sep: Separator> FromIterator<HeaderValue> for FlatCsv<Sep> {
             buf.extend_from_slice(val.as_bytes());
         }
 
-        let val =
-            HeaderValue::from_maybe_shared(buf.freeze()).expect("comma separated HeaderValues are valid");
+        let val = HeaderValue::from_maybe_shared(buf.freeze())
+            .expect("comma separated HeaderValues are valid");
 
         val.into()
     }