From ebe514a1f80fe65f103ed242ce8485bfaf11afc8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=A0imon=20Luka=C5=A1=C3=ADk?= <isimluk@fedoraproject.org>
Date: Wed, 14 Oct 2020 18:56:22 +0200
Subject: [PATCH] Use file system's ctime (creation time) as
 rolie:entry/atom:published time

---
 pkg/rolie/new.go        |  5 ++++-
 pkg/utils/fs_darwin.go  | 15 +++++++++++++++
 pkg/utils/fs_linux.go   | 16 ++++++++++++++++
 pkg/utils/fs_windows.go | 11 +++++++++++
 4 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 pkg/utils/fs_darwin.go
 create mode 100644 pkg/utils/fs_linux.go
 create mode 100644 pkg/utils/fs_windows.go

diff --git a/pkg/rolie/new.go b/pkg/rolie/new.go
index 081582c..4e4be4e 100644
--- a/pkg/rolie/new.go
+++ b/pkg/rolie/new.go
@@ -12,6 +12,7 @@ import (
 	"github.com/gocomply/scap/pkg/scap/scap_document"
 	"github.com/rolieup/golie/pkg/models"
 	"github.com/rolieup/golie/pkg/rolie_source"
+	"github.com/rolieup/golie/pkg/utils"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -90,6 +91,7 @@ type scapFile struct {
 	AbsPath string
 	*scap_document.Document
 	Size         int64
+	CreationTime time.Time
 	ModifiedTime time.Time
 }
 
@@ -110,7 +112,7 @@ func (scap *scapFile) RolieEntry(baseUri string) (*models.Entry, error) {
 		},
 	}
 	entry.Updated = models.Time(scap.ModifiedTime) // when was entry modified in significant way? (see RFC 4287; 4.2.15.)
-	entry.Published = models.Time(time.Now())
+	entry.Published = models.Time(scap.CreationTime)
 	entry.Content = &models.Text{
 		Type: scap.MIMEType(),
 		Src:  scap.Link(baseUri),
@@ -203,6 +205,7 @@ func traverseScapFiles(directoryPath string) (<-chan scapFile, error) {
 				AbsPath:      path,
 				Document:     nil, // deferred
 				Size:         info.Size(),
+				CreationTime: utils.FileCreationTime(info),
 				ModifiedTime: info.ModTime(),
 			}
 			return nil
diff --git a/pkg/utils/fs_darwin.go b/pkg/utils/fs_darwin.go
new file mode 100644
index 0000000..fd67a87
--- /dev/null
+++ b/pkg/utils/fs_darwin.go
@@ -0,0 +1,15 @@
+package utils
+
+import (
+	"os"
+	"syscall"
+	"time"
+)
+
+func FileCreationTime(finfo os.FileInfo) time.Time {
+	return timespecToTime(finfo.Sys().(*syscall.Stat_t).Ctimespec)
+}
+
+func timespecToTime(ts syscall.Timespec) time.Time {
+	return time.Unix(int64(ts.Sec), int64(ts.Nsec))
+}
diff --git a/pkg/utils/fs_linux.go b/pkg/utils/fs_linux.go
new file mode 100644
index 0000000..92e053e
--- /dev/null
+++ b/pkg/utils/fs_linux.go
@@ -0,0 +1,16 @@
+package utils
+
+import (
+	"os"
+	"syscall"
+	"time"
+)
+
+func FileCreationTime(finfo os.FileInfo) time.Time {
+	statT := finfo.Sys().(*syscall.Stat_t)
+	return timespecToTime(statT.Ctim)
+}
+
+func timespecToTime(ts syscall.Timespec) time.Time {
+	return time.Unix(int64(ts.Sec), int64(ts.Nsec))
+}
diff --git a/pkg/utils/fs_windows.go b/pkg/utils/fs_windows.go
new file mode 100644
index 0000000..75b9f4a
--- /dev/null
+++ b/pkg/utils/fs_windows.go
@@ -0,0 +1,11 @@
+package utils
+
+import (
+	"os"
+	"syscall"
+	"time"
+)
+
+func FileCreationTime(finfo os.FileInfo) time.Time {
+	return time.Unix(0, finfo.Sys().(*syscall.Win32FileAttributeData).CreationTime.Nanoseconds())
+}