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How to use Hostname method of html Package

Best K6 code snippet using html.Hostname

frontend.go

Source:frontend.go

...29	r.GET("/", func(g *gin.Context) {30		g.HTML(200, "index.html", gin.H{"domain": f.config.Domain})31	})32	r.GET("/available/:hostname", func(c *gin.Context) {33		hostname, valid := isValidHostname(c.Params.ByName("hostname"))34		if valid {35			_, err := f.hosts.GetHost(hostname)36			valid = err != nil37		}38		c.JSON(200, gin.H{39			"available": valid,40		})41	})42	r.GET("/new/:hostname", func(c *gin.Context) {43		hostname, valid := isValidHostname(c.Params.ByName("hostname"))44		if !valid {45			c.JSON(404, gin.H{"error": "This hostname is not valid"})46			return47		}48		var err error49		if _, err := f.hosts.GetHost(hostname); err == nil {50			c.JSON(403, gin.H{"error": "This hostname has already been registered."})51			return52		}53		host := &shared.Host{Hostname: hostname, Ip: "127.0.0.1"}54		host.GenerateAndSetToken()55		if err = f.hosts.SetHost(host); err != nil {56			c.JSON(400, gin.H{"error": "Could not register host."})57			return58		}59		c.JSON(200, gin.H{60			"hostname":    host.Hostname,61			"token":       host.Token,62			"update_link": fmt.Sprintf("/update/%s/%s", host.Hostname, host.Token),63		})64	})65	r.GET("/update/:hostname/:token", func(c *gin.Context) {66		hostname, valid := isValidHostname(c.Params.ByName("hostname"))67		token := c.Params.ByName("token")68		if !valid {69			c.JSON(404, gin.H{"error": "This hostname is not valid"})70			return71		}72		host, err := f.hosts.GetHost(hostname)73		if err != nil {74			c.JSON(404, gin.H{75				"error": "This hostname has not been registered or is expired.",76			})77			return78		}79		if host.Token != token {80			c.JSON(403, gin.H{81				"error": "You have supplied the wrong token to manipulate this host",82			})83			return84		}85		ip, err := extractRemoteAddr(c.Request)86		if err != nil {87			c.JSON(400, gin.H{88				"error": "Your sender IP address is not in the right format",89			})90			return91		}92		host.Ip = ip93		if err = f.hosts.SetHost(host); err != nil {94			c.JSON(400, gin.H{95				"error": "Could not update registered IP address",96			})97		}98		c.JSON(200, gin.H{99			"current_ip": ip,100			"status":     "Successfuly updated",101		})102	})103	return r.Run(f.config.ListenFrontend)104}105// Get the Remote Address of the client. At First we try to get the106// X-Forwarded-For Header which holds the IP if we are behind a proxy,107// otherwise the RemoteAddr is used108func extractRemoteAddr(req *http.Request) (string, error) {109	header_data, ok := req.Header["X-Forwarded-For"]110	if ok {111		return header_data[0], nil112	} else {113		ip, _, err := net.SplitHostPort(req.RemoteAddr)114		return ip, err115	}116}117// Get index template from bindata118func buildTemplate() *template.Template {119	html, err := template.New("index.html").Parse(indexTemplate)120	if err != nil {121		log.Fatal(err)122	}123	return html124}125func isValidHostname(host string) (string, bool) {126	valid, _ := regexp.Match("^([a-zA-Z0-9]([a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])?)$", []byte(host))127	return host, valid128}...

helpers.go

Source:helpers.go

...14  animation: none !important;15}16</style>`17// Use a concurrent map for the local hostname cache to avoid concurrent map access crashes.18var localHostnameCache = cmap.New()19func markHostnamesLocal(hostnames ...string) {20	for _, hostname := range hostnames {21		localHostnameCache.Set(hostname, true)22	}23}24// Bespoke, Percy-specific functionality for determining if a hostname is equivalent to localhost.25// This dynamically handles DOM snapshots from custom local server hostnames like "testserver" or26// "local.dev" where they should be proxyified here so that the asset is still loaded correctly27// in the rendering environment.28func isLocalHostname(hostname string) bool {29	// Don't do reverse DNS lookups on IP addresses, just assume they are not local.30	if hostname != "127.0.0.1" && net.ParseIP(hostname) != nil {31		return false32	}33	// Go's DNS timeouts for NX records are slow and the net package has no mechanism to configure34	// them. For speed, keep a cache of hostnames which we already consider local.35	if _, ok := localHostnameCache.Get(hostname); ok {36		return true37	}38	// Do a DNS lookup: if addresses at all are returned, don't consider the request "local".39	addrs, _ := net.LookupHost(hostname)40	if len(addrs) == 0 {41		markHostnamesLocal(hostname)42		// Assume that if a host cannot be looked up, we should fallback to local proxymap resolution.43		return true44	}45	return false46}47// Transforms localhost requests into requests that will be reverse proxied based on the proxymap.48func proxifyIfLocalRequest(req *http.Request) {49	hostname := justHostname(req.URL.Host)50	if isLocalHostname(hostname) {51		req.Host = *proxymeHostnameFlag52		req.URL.Host = *proxymeHostnameFlag53	}54}55// Handle inconvenient host/hostport combos and just return host.56func justHostname(s string) string {57	if strings.Contains(s, ":") {58		hostname, _, _ := net.SplitHostPort(s)59		return hostname60	} else {61		return s62	}63}64func injectHtmlFooter(html []byte, footerHtml string) []byte {65	htmlString := string(html[:])66	if strings.Contains(htmlString, "</body>") {67		return []byte(strings.Replace(htmlString, "</body>", footerHtml+"</body>", -1))68	}69	if strings.Contains(htmlString, "</html>") {70		return []byte(strings.Replace(htmlString, "</html>", footerHtml+"</html>", -1))...

main.go

Source:main.go

...13	html     bool14)15func setHostName() {16	var err error17	hostname, err = os.Hostname()18	if err != nil {19		log.Println(err)20		os.Exit(1)21	}22}23func hostNameServer(w http.ResponseWriter, r *http.Request) {24	w.Header().Set("Cache-Control", "no-cache")25	if html {26		fmt.Fprintf(w, "<h1>Hello from %s!</h1>", hostname)27	} else {28		w.Header().Set("Content-Type", "application/json")29		r.Header.Set("hostname", hostname)30		jsonHeader, err := json.Marshal(r.Header)31		if err != nil {...

Hostname

Using AI Code Generation

1import (2func main() {3	if err != nil {4		fmt.Println(err)5	}6	defer resp.Body.Close()7	fmt.Println(resp.Request.URL.Hostname())8}9import (10func main() {11	if err != nil {12		fmt.Println(err)13	}14	defer resp.Body.Close()15	fmt.Println(url.Parse(resp.Request.URL.String()).Hostname())16}17import (18func main() {19	if err != nil {20		fmt.Println(err)21	}22	defer resp.Body.Close()23	fmt.Println(url.Parse(resp.Request.URL.String()).Hostname())24}25import (26func main() {27	if err != nil {28		fmt.Println(err)29	}30	defer resp.Body.Close()31	fmt.Println(url.Parse(resp.Request.URL.String()).Hostname())32}33import (34func main() {35	if err != nil {36		fmt.Println(err)37	}38	defer resp.Body.Close()39	fmt.Println(url.Parse(resp.Request.URL.String()).Hostname())40}41import (42func main() {43	if err != nil {44		fmt.Println(err)45	}46	defer resp.Body.Close()47	fmt.Println(url.Parse(resp.Request.URL.String()).Hostname())48}

Hostname

Using AI Code Generation

1import (2func main() {3	if err != nil {4		fmt.Println(err)5	}6	defer resp.Body.Close()7	fmt.Println(resp.Request.Host)8}

Hostname

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", handler)4	http.ListenAndServe(":8080", nil)5}6func handler(w http.ResponseWriter, r *http.Request) {7	hostname, err := os.Hostname()8	if err != nil {9		panic(err)10	}11	addrs, err := net.InterfaceAddrs()12	if err != nil {13		panic(err)14	}15	for _, address := range addrs {16		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {17			if ipnet.IP.To4() != nil {18				ip = ipnet.IP.String()19			}20		}21	}22	fmt.Fprintf(w, "Hostname: %s\n", hostname)23	fmt.Fprintf(w, "IP: %s\n", ip)24}

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