Adding in Large Files adjustable expiry limit.

server.go

@@ -75,6 +75,8 @@ var Config struct {
 	customPagesDir            string
 	cleanupEveryMinutes       uint64
 	extraFooterText           string
+	maxDurationTime           uint64
+	maxDurationSize           int64
 }
 
 var Templates = make(map[string]*pongo2.Template)
@@ -309,6 +311,8 @@ func main() {
 		"How often to clean up expired files in minutes (default is 0, which means files will be cleaned up as they are accessed)")
 	flag.StringVar(&Config.extraFooterText, "extra-footer-text", "",
 		"Extra text above the footer for notices.")
+	flag.Uint64Var(&Config.maxDurationTime, "max-duration-time", 0, "Time till expiry for files over max-duration-size")
+	flag.Int64Var(&Config.maxDurationSize, "max-duration-size", 4*1024*1024*1024, "Size of file before max-duration-time is used to determine expiry max time.")
 
 	iniflags.Parse()
 

upload.go

@@ -321,9 +321,17 @@ func processUpload(upReq UploadRequest) (upload Upload, err error) {
 	// Get the rest of the metadata needed for storage
 	var fileExpiry time.Time
 	if upReq.expiry == 0 {
-		fileExpiry = expiry.NeverExpire
+		if upReq.size > Config.maxDurationSize && Config.maxDurationTime > 0 {
+				fileExpiry = time.Now().Add(Config.maxDurationTime)
+		} else {
+			fileExpiry = expiry.NeverExpire
+		}
 	} else {
-		fileExpiry = time.Now().Add(upReq.expiry)
+		if upReq.size > Config.maxDurationSize && upReq.expiry > Config.maxDurationTime {
+				fileExpiry = time.Now().Add(Config.maxDurationTime)
+		} else {
+			fileExpiry = time.Now().Add(upReq.expiry)
+		}
 	}
 
 	if upReq.deleteKey == "" {