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package main
import (
"fmt"
"strings"
"net/http"
"text/template"
log "github.com/sirupsen/logrus"
db "sanine.net/git/phlox/db"
)
func LoginUser(username, password string) (bool, db.Session, error) {
p := &P
auth, user, err := p.AuthenticateUser(username, password)
if err != nil {
return false, db.Session{}, err
}
if auth == false {
return false, db.Session{}, nil
}
// auth was successful!
session, err := p.CreateSession(user)
if err != nil {
return false, db.Session{}, err
}
return true, session, nil
}
func LoginPostHandler(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
username := r.Form.Get("username")
password := strings.TrimSpace(r.Form.Get("password"))
log.Infof("username: %v\tpassword: '%v'", username, password)
redirect := r.Form.Get("redirect")
auth, session, err := LoginUser(username, password)
if err != nil {
// respond with error page
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintf(w, "an error was encountered when processing the request")
log.Error(err)
return
}
if auth == false {
// not allowed!
w.WriteHeader(http.StatusUnauthorized)
fmt.Fprintf(w, "bad username or password")
log.Errorf("failed login for %v", username)
return
}
http.SetCookie(w, &http.Cookie{
Name: "phlox-session-id",
Value: session.Id,
SameSite: http.SameSiteLaxMode,
})
w.Header().Add("Location", redirect)
w.WriteHeader(http.StatusTemporaryRedirect)
}
var page *template.Template
type Page struct {
Title string
Body string
}
func InitLogin() {
var err error
page, err = template.New("").Parse(`
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Login</title>
</head>
<body>
{{ .Body }}
</body>
</html>
`)
if err != nil {
log.Fatal(err)
}
http.HandleFunc("/login", func (w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
LoginPostHandler(w, r)
} else {
LoginGetHandler(w, r)
}
})
}
func LoginGetHandler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
page.Execute(w, Page{
Title: "Login",
Body: `
<form method="post">
<label for="user">Username</label>
<input type="text" id="user" name="username">
<br>
<label for="pass">Password</label>
<input type="text" id="pass" name="password">
<br>
<input type="submit" value="Submit">
`,
})
}
|
