From 0ae251dbbbd42c3f8c6077012028da79488c49c8 Mon Sep 17 00:00:00 2001
From: quettabit <27509167+quettabit@users.noreply.github.com>
Date: Thu, 4 Jun 2026 22:23:20 -0700
Subject: [PATCH] initial commit

---
 README.md                      |  1 +
 src/object_store/config.rs     |  2 ++
 src/object_store/downloader.rs |  3 +++
 src/service/routes.rs          | 46 ++++++++++++++++++++++++++--------
 4 files changed, 41 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index 7b7e270..040bd46 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ Space-separated key-value pairs to override S3 request configuration per page mi
 - `ma=<num>` Maximum attempts
 - `ib=<ms>` Initial backoff duration
 - `mb=<ms>` Maximum backoff duration
+- `fps=<bool>` Force path-style addressing
 
 #### Example Request
 
diff --git a/src/object_store/config.rs b/src/object_store/config.rs
index 8acfdd3..ed5d9e0 100644
--- a/src/object_store/config.rs
+++ b/src/object_store/config.rs
@@ -11,6 +11,7 @@ pub struct RequestConfig {
     pub max_attempts: Option<u32>,
     pub initial_backoff: Option<Duration>,
     pub max_backoff: Option<Duration>,
+    pub force_path_style: Option<bool>,
 }
 
 impl RequestConfig {
@@ -23,6 +24,7 @@ impl RequestConfig {
             && self.max_attempts.is_none()
             && self.initial_backoff.is_none()
             && self.max_backoff.is_none()
+            && self.force_path_style.is_none()
     }
 
     fn has_timeout_overrides(&self) -> bool {
diff --git a/src/object_store/downloader.rs b/src/object_store/downloader.rs
index d55b3e5..6f2a39c 100644
--- a/src/object_store/downloader.rs
+++ b/src/object_store/downloader.rs
@@ -240,6 +240,9 @@ impl Downloader {
             {
                 config_override = config_override.retry_config(retry_config);
             }
+            if let Some(force_path_style) = req_config.force_path_style {
+                config_override = config_override.force_path_style(force_path_style);
+            }
 
             request
                 .customize()
diff --git a/src/service/routes.rs b/src/service/routes.rs
index 85a440d..86a6336 100644
--- a/src/service/routes.rs
+++ b/src/service/routes.rs
@@ -157,6 +157,15 @@ where
 
         let mut config = Self::default();
 
+        let parse_duration = |v: &str| -> Result<Duration, Self::Rejection> {
+            v.parse::<u64>().map(Duration::from_millis).map_err(|_| {
+                (
+                    StatusCode::BAD_REQUEST,
+                    "Invalid duration value in C0-Config header",
+                )
+            })
+        };
+
         for pair in header_str.split_whitespace() {
             let Some((key, value)) = pair.split_once('=') else {
                 return Err((
@@ -165,15 +174,6 @@ where
                 ));
             };
 
-            let parse_duration = |v: &str| -> Result<Duration, Self::Rejection> {
-                v.parse::<u64>().map(Duration::from_millis).map_err(|_| {
-                    (
-                        StatusCode::BAD_REQUEST,
-                        "Invalid duration value in C0-Config header",
-                    )
-                })
-            };
-
             match key {
                 "ct" => config.connect_timeout = Some(parse_duration(value)?),
                 "rt" => config.read_timeout = Some(parse_duration(value)?),
@@ -183,12 +183,20 @@ where
                     config.max_attempts = Some(value.parse().map_err(|_| {
                         (
                             StatusCode::BAD_REQUEST,
-                            "Invalid max_attempts value in C0-Config hheader",
+                            "Invalid value for ma in C0-Config header",
                         )
                     })?);
                 }
                 "ib" => config.initial_backoff = Some(parse_duration(value)?),
                 "mb" => config.max_backoff = Some(parse_duration(value)?),
+                "fps" => {
+                    config.force_path_style = Some(value.parse().map_err(|_| {
+                        (
+                            StatusCode::BAD_REQUEST,
+                            "Invalid value for fps in C0-Config header",
+                        )
+                    })?);
+                }
                 _ => {} // Ignore unrecognized keys
             }
         }
@@ -542,6 +550,12 @@ mod tests {
         assert_eq!(config.max_attempts, Some(3));
     }
 
+    #[tokio::test]
+    async fn test_c0_config_force_path_style() {
+        let config = parse_c0_config("fps=true").await.unwrap();
+        assert_eq!(config.force_path_style, Some(true));
+    }
+
     #[tokio::test]
     async fn test_c0_config_mixed_settings() {
         let config = parse_c0_config("ct=1000 ma=5 ib=10 oat=1500")
@@ -591,7 +605,17 @@ mod tests {
         assert!(result.is_err());
         assert_eq!(
             result.unwrap_err().1,
-            "Invalid max_attempts value in C0-Config hheader"
+            "Invalid value for ma in C0-Config header"
+        );
+    }
+
+    #[tokio::test]
+    async fn test_c0_config_invalid_force_path_style() {
+        let result = parse_c0_config("fps=1").await;
+        assert!(result.is_err());
+        assert_eq!(
+            result.unwrap_err().1,
+            "Invalid value for fps in C0-Config header"
         );
     }