Add cors header flag and leave boolean flag not changed

Deprecate api-enable-cors

Update docs & man files

Signed-off-by: harry zhang <resouer@163.com>
This commit is contained in:
resouer
2015-03-03 11:21:19 +08:00
parent 8e107a9321
commit f3dd2db4ff
7 changed files with 30 additions and 15 deletions
+18 -10
View File
@@ -1229,8 +1229,9 @@ func optionsHandler(eng *engine.Engine, version version.Version, w http.Response
w.WriteHeader(http.StatusOK)
return nil
}
func writeCorsHeaders(w http.ResponseWriter, r *http.Request) {
w.Header().Add("Access-Control-Allow-Origin", "*")
func writeCorsHeaders(w http.ResponseWriter, r *http.Request, corsHeaders string) {
log.Debugf("CORS header is enabled and set to: %s", corsHeaders)
w.Header().Add("Access-Control-Allow-Origin", corsHeaders)
w.Header().Add("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, X-Registry-Auth")
w.Header().Add("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT, OPTIONS")
}
@@ -1240,7 +1241,7 @@ func ping(eng *engine.Engine, version version.Version, w http.ResponseWriter, r
return err
}
func makeHttpHandler(eng *engine.Engine, logging bool, localMethod string, localRoute string, handlerFunc HttpApiFunc, enableCors bool, dockerVersion version.Version) http.HandlerFunc {
func makeHttpHandler(eng *engine.Engine, logging bool, localMethod string, localRoute string, handlerFunc HttpApiFunc, corsHeaders string, dockerVersion version.Version) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
// log the request
log.Debugf("Calling %s %s", localMethod, localRoute)
@@ -1259,8 +1260,8 @@ func makeHttpHandler(eng *engine.Engine, logging bool, localMethod string, local
if version == "" {
version = api.APIVERSION
}
if enableCors {
writeCorsHeaders(w, r)
if corsHeaders != "" {
writeCorsHeaders(w, r, corsHeaders)
}
if version.GreaterThan(api.APIVERSION) {
@@ -1302,7 +1303,8 @@ func AttachProfiler(router *mux.Router) {
router.HandleFunc("/debug/pprof/threadcreate", pprof.Handler("threadcreate").ServeHTTP)
}
func createRouter(eng *engine.Engine, logging, enableCors bool, dockerVersion string) *mux.Router {
// we keep enableCors just for legacy usage, need to be removed in the future
func createRouter(eng *engine.Engine, logging, enableCors bool, corsHeaders string, dockerVersion string) *mux.Router {
r := mux.NewRouter()
if os.Getenv("DEBUG") != "" {
AttachProfiler(r)
@@ -1364,6 +1366,12 @@ func createRouter(eng *engine.Engine, logging, enableCors bool, dockerVersion st
},
}
// If "api-cors-header" is not given, but "api-enable-cors" is true, we set cors to "*"
// otherwise, all head values will be passed to HTTP handler
if corsHeaders == "" && enableCors {
corsHeaders = "*"
}
for method, routes := range m {
for route, fct := range routes {
log.Debugf("Registering %s, %s", method, route)
@@ -1373,7 +1381,7 @@ func createRouter(eng *engine.Engine, logging, enableCors bool, dockerVersion st
localMethod := method
// build the handler function
f := makeHttpHandler(eng, logging, localMethod, localRoute, localFct, enableCors, version.Version(dockerVersion))
f := makeHttpHandler(eng, logging, localMethod, localRoute, localFct, corsHeaders, version.Version(dockerVersion))
// add the new route
if localRoute == "" {
@@ -1392,7 +1400,7 @@ func createRouter(eng *engine.Engine, logging, enableCors bool, dockerVersion st
// FIXME: refactor this to be part of Server and not require re-creating a new
// router each time. This requires first moving ListenAndServe into Server.
func ServeRequest(eng *engine.Engine, apiversion version.Version, w http.ResponseWriter, req *http.Request) {
router := createRouter(eng, false, true, "")
router := createRouter(eng, false, true, "", "")
// Insert APIVERSION into the request as a convenience
req.URL.Path = fmt.Sprintf("/v%s%s", apiversion, req.URL.Path)
router.ServeHTTP(w, req)
@@ -1401,7 +1409,7 @@ func ServeRequest(eng *engine.Engine, apiversion version.Version, w http.Respons
// serveFd creates an http.Server and sets it up to serve given a socket activated
// argument.
func serveFd(addr string, job *engine.Job) error {
r := createRouter(job.Eng, job.GetenvBool("Logging"), job.GetenvBool("EnableCors"), job.Getenv("Version"))
r := createRouter(job.Eng, job.GetenvBool("Logging"), job.GetenvBool("EnableCors"), job.Getenv("CorsHeaders"), job.Getenv("Version"))
ls, e := systemd.ListenFD(addr)
if e != nil {
@@ -1543,7 +1551,7 @@ func setupTcpHttp(addr string, job *engine.Job) (*HttpServer, error) {
log.Infof("/!\\ DON'T BIND ON ANY IP ADDRESS WITHOUT setting -tlsverify IF YOU DON'T KNOW WHAT YOU'RE DOING /!\\")
}
r := createRouter(job.Eng, job.GetenvBool("Logging"), job.GetenvBool("EnableCors"), job.Getenv("Version"))
r := createRouter(job.Eng, job.GetenvBool("Logging"), job.GetenvBool("EnableCors"), job.Getenv("CorsHeaders"), job.Getenv("Version"))
l, err := newListener("tcp", addr, job.GetenvBool("BufferRequests"))
if err != nil {