88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
package endpoints
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import (
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"arbeitszeitmessung/helper"
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"arbeitszeitmessung/models"
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"arbeitszeitmessung/templates"
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"context"
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"log"
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"net/http"
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"strconv"
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"time"
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"github.com/alexedwards/scs/v2"
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)
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var Session *scs.SessionManager
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func CreateSessionManager(lifetime time.Duration) *scs.SessionManager {
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Session = scs.New()
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Session.Lifetime = lifetime
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return Session
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}
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func LoginHandler(w http.ResponseWriter, r *http.Request) {
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switch r.Method {
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case http.MethodGet:
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showLoginPage(w, r, false)
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break
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case http.MethodPost:
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loginUser(w, r)
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break
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default:
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http.Error(w, "Method not allowed!", http.StatusMethodNotAllowed)
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break
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}
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}
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func showLoginPage(w http.ResponseWriter, r *http.Request, failed bool) {
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r = r.WithContext(context.WithValue(r.Context(), "session", Session))
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if helper.GetEnv("GO_ENV", "production") == "debug" {
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// http.Redirect(w, r, "/time", http.StatusSeeOther)
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templates.LoginPage(failed).Render(r.Context(), w)
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}
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if Session.Exists(r.Context(), "user") {
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http.Redirect(w, r, "/time", http.StatusSeeOther)
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}
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templates.LoginPage(failed).Render(r.Context(), w)
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}
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func loginUser(w http.ResponseWriter, r *http.Request) {
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err := r.ParseForm()
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if err != nil {
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log.Println("Error parsing form!", err)
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http.Error(w, "Internal error", http.StatusBadRequest)
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return
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}
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_personal_nummer := r.FormValue("personal_nummer")
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if _personal_nummer == "" {
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log.Println("No personal_nummer provided!")
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http.Error(w, "No personal_nummer provided", http.StatusBadRequest)
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return
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}
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personal_nummer, err := strconv.Atoi(_personal_nummer)
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if err != nil {
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log.Println("Cannot parse personal nubmer!")
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http.Error(w, "Cannot parse number", http.StatusBadRequest)
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return
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}
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user, err := (*models.User).GetByPersonalNummer(nil, personal_nummer)
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if err != nil {
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log.Println("No user found under this personal number!")
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http.Error(w, "No user found!", http.StatusNotFound)
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}
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password := r.FormValue("password")
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if user.Login(password) {
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log.Printf("New succesfull user login from %s %s!\n", user.Vorname, user.Name)
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Session.Put(r.Context(), "user", user.PersonalNummer)
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http.Redirect(w, r, "/time", http.StatusSeeOther) //with this browser always uses GET
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} else {
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showLoginPage(w, r, true)
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return
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}
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showLoginPage(w, r, false)
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return
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}
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