chore: upgrade time crate

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to the versioning scheme outlined in the [README.md](RE
 
 ## Unreleased
 
+- The HTTP `Date` header in responses now strictly follows RFC7231.
+
 ### Changed
 
 - When a previous block commit is unable to be RBFed, the miner will now just wait for it to be confirmed instead of submitting a new block commit which breaks the miner's UTXO chain.

clarity/Cargo.toml

@@ -37,10 +37,6 @@ rusqlite = { workspace = true, optional = true }
 version = "1.0"
 features = ["arbitrary_precision", "unbounded_depth"]
 
-[dependencies.time]
-version = "0.2.23"
-features = ["std"]
-
 [dev-dependencies]
 assert-json-diff = "1.0.0"
 mutants = "0.0.3"

stacks-common/Cargo.toml

@@ -68,10 +68,6 @@ workspace = true
 version = "4.1.3"
 features = ["serde"]
 
-[dependencies.time]
-version = "0.2.23"
-features = ["std"]
-
 [target.'cfg(not(target_family = "wasm"))'.dependencies]
 secp256k1 = { version = "0.24.3", features = ["serde", "recovery"] }
 

stacks-common/src/util/mod.rs

@@ -34,8 +34,8 @@ pub mod vrf;
 use std::fs::File;
 use std::io::{BufReader, BufWriter, Write};
 use std::path::Path;
-use std::time::{SystemTime, UNIX_EPOCH};
-use std::{error, fmt, thread, time};
+use std::time::{self, SystemTime, UNIX_EPOCH};
+use std::{error, fmt, thread};
 
 /// Given a relative path inside the Cargo workspace, return the absolute path
 #[cfg(any(test, feature = "testing"))]

stackslib/Cargo.toml

@@ -52,6 +52,7 @@ libstackerdb = { path = "../libstackerdb" }
 siphasher = "0.3.7"
 hashbrown = { workspace = true }
 rusqlite = { workspace = true }
+time = "0.3.41"
 toml = { workspace = true }
 
 [target.'cfg(not(any(target_os = "macos",target_os="windows", target_arch = "arm" )))'.dependencies]
@@ -77,10 +78,6 @@ features = ["serde", "recovery"]
 [dependencies.ed25519-dalek]
 workspace = true
 
-[dependencies.time]
-version = "0.2.23"
-features = ["std"]
-
 [dev-dependencies]
 assert-json-diff = "1.0.0"
 stdext = "0.3.1"

stackslib/src/net/http/response.rs

@@ -17,7 +17,6 @@
 use std::collections::{BTreeMap, HashSet};
 use std::fmt;
 use std::io::{Read, Write};
-use std::time::SystemTime;
 
 use stacks_common::codec::{Error as CodecError, StacksMessageCodec};
 use stacks_common::deps_common::httparse;
@@ -347,9 +346,11 @@ impl HttpResponsePreamble {
 }
 
 /// Get an RFC 7231 date that represents the current time
-fn rfc7231_now() -> String {
-    let now = time::PrimitiveDateTime::from(SystemTime::now());
-    now.format("%a, %b %-d %-Y %-H:%M:%S GMT")
+fn rfc7231_now() -> Result<String, CodecError> {
+    time::OffsetDateTime::now_utc()
+        .format(&time::format_description::well_known::Rfc2822)
+        .map(|date| date.replace("+0000", "GMT"))
+        .map_err(|e| CodecError::GenericError(format!("Failed to format RFC 7231 date: {:?}", e)))
 }
 
 /// Read from a stream until we see '\r\n\r\n', with the purpose of reading an HTTP preamble.
@@ -387,7 +388,7 @@ impl StacksMessageCodec for HttpResponsePreamble {
         if !self.headers.contains_key("date") {
             fd.write_all("Date: ".as_bytes())
                 .map_err(CodecError::WriteError)?;
-            fd.write_all(rfc7231_now().as_bytes())
+            fd.write_all(rfc7231_now()?.as_bytes())
                 .map_err(CodecError::WriteError)?;
             fd.write_all("\r\n".as_bytes())
                 .map_err(CodecError::WriteError)?;

stackslib/src/net/http/tests.rs

@@ -16,6 +16,7 @@
 
 use std::collections::BTreeMap;
 
+use regex;
 use stacks_common::codec::{Error as CodecError, StacksMessageCodec};
 use stacks_common::types::net::{PeerAddress, PeerHost};
 
@@ -146,7 +147,7 @@ fn test_parse_http_request_preamble_ok() {
         ("POST asdf HTTP/1.1\r\nHost: core.blockstack.org\r\nConnection: close\r\nFoo: Bar\r\n\r\n",
          HttpRequestPreamble::from_headers(HttpVersion::Http11, "POST".to_string(), "asdf".to_string(), "core.blockstack.org".to_string(), 80, false, vec!["foo".to_string()], vec!["Bar".to_string()])),
         ("POST asdf HTTP/1.1\r\nHost: core.blockstack.org\r\nFoo: Bar\r\nConnection: close\r\n\r\n",
-         HttpRequestPreamble::from_headers(HttpVersion::Http11, "POST".to_string(), "asdf".to_string(), "core.blockstack.org".to_string(), 80, false, vec!["foo".to_string()], vec!["Bar".to_string()])) 
+         HttpRequestPreamble::from_headers(HttpVersion::Http11, "POST".to_string(), "asdf".to_string(), "core.blockstack.org".to_string(), 80, false, vec!["foo".to_string()], vec!["Bar".to_string()]))
     ];
 
     for (data, request) in tests.iter() {
@@ -391,6 +392,14 @@ fn test_http_response_preamble_headers() {
         "Content-Type is missing"
     );
     assert!(txt.find("Date: ").is_some(), "Date header is missing");
+
+    let rfc7231_date_regex =
+        regex::Regex::new(r"Date: [A-Za-z]{3}, \d{2} [A-Za-z]{3} \d{4} \d{2}:\d{2}:\d{2} GMT\r\n")
+            .unwrap();
+    assert!(
+        rfc7231_date_regex.is_match(&txt),
+        "Date header format is incorrect"
+    );
     assert!(txt.find("foo: bar\r\n").is_some(), "foo header is missing");
     assert!(
         txt.find("Access-Control-Allow-Origin: *\r\n").is_some(),