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filer: add CORS support

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This commit is contained in:
Chris Lu
2020-10-31 16:44:03 -07:00
parent 05acc33294
commit 306062b4e7
3 changed files with 29 additions and 9 deletions
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25
weed/server/filer_server_handlers.go
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@@ -10,6 +10,10 @@ import (
func (fs *FilerServer) filerHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Server", "SeaweedFS Filer "+util.VERSION)
if r.Header.Get("Origin") != "" {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Credentials", "true")
}
start := time.Now()
switch r.Method {
case "GET":
@@ -32,11 +36,19 @@ func (fs *FilerServer) filerHandler(w http.ResponseWriter, r *http.Request) {
stats.FilerRequestCounter.WithLabelValues("post").Inc()
fs.PostHandler(w, r)
stats.FilerRequestHistogram.WithLabelValues("post").Observe(time.Since(start).Seconds())
case "OPTIONS":
stats.FilerRequestCounter.WithLabelValues("options").Inc()
OptionsHandler(w, r, false)
stats.FilerRequestHistogram.WithLabelValues("head").Observe(time.Since(start).Seconds())
}
}
func (fs *FilerServer) readonlyFilerHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Server", "SeaweedFS Filer "+util.VERSION)
if r.Header.Get("Origin") != "" {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Credentials", "true")
}
start := time.Now()
switch r.Method {
case "GET":
@@ -47,5 +59,18 @@ func (fs *FilerServer) readonlyFilerHandler(w http.ResponseWriter, r *http.Reque
stats.FilerRequestCounter.WithLabelValues("head").Inc()
fs.GetOrHeadHandler(w, r, false)
stats.FilerRequestHistogram.WithLabelValues("head").Observe(time.Since(start).Seconds())
case "OPTIONS":
stats.FilerRequestCounter.WithLabelValues("options").Inc()
OptionsHandler(w, r, true)
stats.FilerRequestHistogram.WithLabelValues("head").Observe(time.Since(start).Seconds())
}
}
func OptionsHandler(w http.ResponseWriter, r *http.Request, isReadOnly bool) {
if isReadOnly {
w.Header().Add("Access-Control-Allow-Methods", "GET, OPTIONS")
} else {
w.Header().Add("Access-Control-Allow-Methods", "PUT, POST, GET, DELETE, OPTIONS")
}
w.Header().Add("Access-Control-Allow-Headers", "*")
}