From 7e2242c2d65b0b0c66ec04a87fc649cbd62bfed3 Mon Sep 17 00:00:00 2001
From: ArcticLampyrid <ArcticLampyrid@outlook.com>
Date: Sun, 8 Dec 2024 03:10:49 +0800
Subject: [PATCH] fix: remove nanoseconds in creationdate for Windows
 compatibility

---
 src/handle_props.rs |  6 +++---
 src/util.rs         | 13 +++++++++----
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/handle_props.rs b/src/handle_props.rs
index 2bf9e40..41e22d7 100644
--- a/src/handle_props.rs
+++ b/src/handle_props.rs
@@ -24,7 +24,7 @@ use crate::fs::*;
 use crate::handle_lock::{list_lockdiscovery, list_supportedlock};
 use crate::ls::*;
 use crate::util::MemBuffer;
-use crate::util::{dav_xml_error, systemtime_to_httpdate, systemtime_to_rfc3339};
+use crate::util::{dav_xml_error, systemtime_to_httpdate, systemtime_to_rfc3339_without_nanosecond};
 use crate::{DavInner, DavResult};
 
 const NS_APACHE_URI: &str = "http://apache.org/dav/props/";
@@ -693,7 +693,7 @@ impl<C: Clone + Send + Sync + 'static> PropWriter<C> {
                 match prop.name.as_str() {
                     "creationdate" => {
                         if let Ok(time) = meta.created() {
-                            let tm = systemtime_to_rfc3339(time);
+                            let tm = systemtime_to_rfc3339_without_nanosecond(time);
                             return self.build_elem(docontent, pfx, prop, tm);
                         }
                         // use ctime instead - apache seems to do this.
@@ -704,7 +704,7 @@ impl<C: Clone + Send + Sync + 'static> PropWriter<C> {
                                     time = mtime;
                                 }
                             }
-                            let tm = systemtime_to_rfc3339(time);
+                            let tm = systemtime_to_rfc3339_without_nanosecond(time);
                             return self.build_elem(docontent, pfx, prop, tm);
                         }
                     }
diff --git a/src/util.rs b/src/util.rs
index 323fef6..0aecb42 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -168,9 +168,13 @@ pub(crate) fn systemtime_to_httpdate(t: SystemTime) -> String {
     v[0].to_str().unwrap().to_owned()
 }
 
-pub(crate) fn systemtime_to_rfc3339(t: SystemTime) -> String {
+pub(crate) fn systemtime_to_rfc3339_without_nanosecond(t: SystemTime) -> String {
     // 1996-12-19T16:39:57Z
-    systemtime_to_offsetdatetime(t).format(&Rfc3339).unwrap()
+    systemtime_to_offsetdatetime(t)
+        .replace_nanosecond(0)
+        .ok()
+        .and_then(|x| x.format(&Rfc3339).ok())
+        .unwrap_or("1970-01-01T00:00:00Z".into())
 }
 
 // A buffer that implements "Write".
@@ -205,7 +209,8 @@ mod tests {
     use std::time::UNIX_EPOCH;
 
     #[test]
-    fn test_rfc3339() {
-        assert!(systemtime_to_rfc3339(UNIX_EPOCH) == "1970-01-01T00:00:00Z");
+    fn test_rfc3339_no_nanosecond() {
+        let t = UNIX_EPOCH + std::time::Duration::new(1, 5);
+        assert!(systemtime_to_rfc3339_without_nanosecond(t) == "1970-01-01T00:00:01Z");
     }
 }