Busk at 12:22, 16 February 2023

2023-02-16T12:22:22Z

Busk: Created page with "``` package main import ( "net/http" "os" "log" ) // DefaultPort is the default port to use if once is not specified by the SERVER_PORT environment variable cons..."

2023-02-15T01:35:39Z

Created page with "``` package main import ( "net/http" "os" "log" ) // DefaultPort is the default port to use if once is not specified by the SERVER_PORT environment variable cons..."

New page

```
package main

import (
"net/http"
"os"
"log"
)

// DefaultPort is the default port to use if once is not specified by the SERVER_PORT environment variable
const DefaultPort = "7893";

func getServerPort() (string) {
port := os.Getenv("SERVER_PORT");
if port != "" {
return port;
}

return DefaultPort;
}

// EchoHandler echos back the request as a response
func EchoHandler(writer http.ResponseWriter, request *http.Request) {

log.Println("Echoing back request made to " + request.URL.Path + " to client (" + request.RemoteAddr + ")")

writer.Header().Set("Access-Control-Allow-Origin", "*")

// allow pre-flight headers
writer.Header().Set("Access-Control-Allow-Headers", "Content-Range, Content-Disposition, Content-Type, ETag")

request.Write(writer)
}

func main() {

log.Println("starting server, listening on port " + getServerPort())

http.HandleFunc("/", EchoHandler)
http.ListenAndServe(":" + getServerPort(), nil)
}
```

@@ Line 3: / Line 3: @@
 import (
-    "net/http"
+        "crypto/tls"
-    "os"
+        "fmt"
-    "log"
+        "log"
+)
-// DefaultPort is the default port to use if once is not specified by the SERVER_PORT environment variable
+var httpPort = 8080
-const DefaultPort = "7893";
+var httpsPort = 8443
-func getServerPort() (string) {
+func logRequest(handler http.Handler) http.Handler {
-    port := os.Getenv("SERVER_PORT");
+        return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-    if port != "" {
+                log.Printf("%s %s %s\n", r.RemoteAddr, r.Method, r.URL)
-         return port;
+                handler.ServeHTTP(w, r)
+         })
-    return DefaultPort;
+func genTls() {
+}
 func EchoHandler(writer http.ResponseWriter, request *http.Request) {
-    log.Println("Echoing back request made to " + request.URL.Path + " to client (" + request.RemoteAddr + ")")
+func serveHTTP(mux *http.ServeMux, errs chan<- error) {
-    writer.Header().Set("Access-Control-Allow-Origin", "*")
+func serveHTTPS(mux *http.ServeMux, errs chan<- error) {
+        cfg := &tls.Config{
-    // allow pre-flight headers
+                MinVersion:               tls.VersionTLS12,
-    writer.Header().Set("Access-Control-Allow-Headers", "Content-Range, Content-Disposition, Content-Type, ETag")
+                CurvePreferences:         []tls.CurveID{tls.CurveP521, tls.CurveP384, tls.CurveP256},
+                PreferServerCipherSuites: true,
-    request.Write(writer)
+                CipherSuites: []uint16{
+}
 func main() {
+        genTls()
-    log.Println("starting server, listening on port " + getServerPort())
+        mux := http.NewServeMux()
+        mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-    http.HandleFunc("/", EchoHandler)
+                w.Header().Set("Access-Control-Allow-Origin", "*")
-    http.ListenAndServe(":" + getServerPort(), nil)
+                w.Header().Set("Access-Control-Allow-Headers",
+}
 ```

Echo http server - Revision history

Busk at 12:22, 16 February 2023

Busk: Created page with "``` package main import ( "net/http" "os" "log" ) // DefaultPort is the default port to use if once is not specified by the SERVER_PORT environment variable cons..."