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added http basic simulation with login form
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package main | ||
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| import ( | ||
| "fmt" | ||
| "log" | ||
| "net/http" | ||
| ) | ||
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| // Correctly formatted function declaration to satisfy the | ||
| // Go http.Handler interface. Any function that has the proper | ||
| // request/response parameters can be used to process an HTTP request. | ||
| // Inside the request struct we have access to the info about | ||
| // the HTTP request and the remote client. | ||
| func logRequest(response http.ResponseWriter, request *http.Request) { | ||
| // Write output to file or just redirect output of this program to file | ||
| log.Println(request.Method + " request from " + request.RemoteAddr + ". " + | ||
| request.RequestURI) | ||
| // If POST not empty, log attempt. | ||
| username := request.PostFormValue("username") | ||
| password := request.PostFormValue("pass") | ||
| if username != "" || password != "" { | ||
| log.Println("Username: " + username) | ||
| log.Println("Password: " + password) | ||
| } | ||
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| fmt.Fprint(response, "<html><body>") | ||
| fmt.Fprint(response, "<h1>Login</h1>") | ||
| if request.Method == http.MethodPost { | ||
| fmt.Fprint(response, "<p>Invalid credentials.</p>") | ||
| } | ||
| fmt.Fprint(response, "<form method=\"POST\">") | ||
| fmt.Fprint(response, | ||
| "User:<input type=\"text\" name=\"username\"><br>") | ||
| fmt.Fprint(response, | ||
| "Pass:<input type=\"password\" name=\"pass\"><br>") | ||
| fmt.Fprint(response, "<input type=\"submit\"></form><br>") | ||
| fmt.Fprint(response, "</body></html>") | ||
| } | ||
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| func main() { | ||
| // Tell the default server multiplexer to map the landing URL to | ||
| // a function called logRequest | ||
| http.HandleFunc("/", logRequest) | ||
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| // Kick off the listener using that will run forever | ||
| err := http.ListenAndServe(":8080", nil) | ||
| if err != nil { | ||
| log.Fatal("Error starting listener. ", err) | ||
| } | ||
| } |