Merge pull request #2141 from Kubuxu/patch-1

Add Server field in HTTP API response header 

commands/http/handler.go

@@ -199,6 +199,10 @@ func guessMimeType(res cmds.Response) (string, error) {
 }
 
 func sendResponse(w http.ResponseWriter, r *http.Request, res cmds.Response, req cmds.Request) {
+	h := w.Header()
+	// Expose our agent to allow identification
+	h.Set("Server", "go-ipfs/" + config.CurrentVersionNumber)
+	
 	mime, err := guessMimeType(res)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -222,8 +226,6 @@ func sendResponse(w http.ResponseWriter, r *http.Request, res cmds.Response, req
 		return
 	}
 
-	h := w.Header()
-
 	// Set up our potential trailer
 	h.Set("Trailer", StreamErrHeader)
 

test/sharness/t0230-channel-streaming-http-content-type.sh

@@ -24,6 +24,7 @@ test_ls_cmd() {
 		printf "Access-Control-Allow-Headers: X-Stream-Output, X-Chunked-Output\r\n" >>expected_output &&
 		printf "Access-Control-Expose-Headers: X-Stream-Output, X-Chunked-Output\r\n" >>expected_output &&
 		printf "Content-Type: text/plain\r\n" >>expected_output &&
+		printf "Server: go-ipfs/%s\r\n" $(ipfs version -n) >>expected_output &&
 		printf "Trailer: X-Stream-Error\r\n" >>expected_output &&
 		printf "Transfer-Encoding: chunked\r\n" >>expected_output &&
 		printf "X-Chunked-Output: 1\r\n" >>expected_output &&
@@ -46,6 +47,7 @@ test_ls_cmd() {
 		printf "Access-Control-Allow-Headers: X-Stream-Output, X-Chunked-Output\r\n" >>expected_output &&
 		printf "Access-Control-Expose-Headers: X-Stream-Output, X-Chunked-Output\r\n" >>expected_output &&
 		printf "Content-Type: application/json\r\n" >>expected_output &&
+		printf "Server: go-ipfs/%s\r\n" $(ipfs version -n) >>expected_output &&
 		printf "Trailer: X-Stream-Error\r\n" >>expected_output &&
 		printf "Transfer-Encoding: chunked\r\n" >>expected_output &&
 		printf "X-Chunked-Output: 1\r\n" >>expected_output &&