From fb42c216818e05af7fce1f41908bdb969ba43903 Mon Sep 17 00:00:00 2001
From: jan <jan@ruken.pw>
Date: Wed, 2 Nov 2016 15:15:53 +0100
Subject: fette checks bei registration


diff --git a/charakterin.go b/charakterin.go
index 64af53a..b1500f0 100644
--- a/charakterin.go
+++ b/charakterin.go
@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"net/url"
 	"time"
+	"regexp"
 
 	_ "github.com/lib/pq"
 )
@@ -36,6 +37,8 @@ type Charakterin struct {
 	Database      *sql.DB
 }
 
+var reEmail, _ = regexp.Compile(`(\w[-._\w]*\w@\w[-._\w]*\w\.\w{2,})`)
+
 // New erstellt eine neue Instanz von Charakterin.
 func New(db *sql.DB) *Charakterin {
 	if err := db.Ping(); err != nil {
@@ -301,6 +304,30 @@ func (c *Charakterin) Register(w http.ResponseWriter, r *http.Request) {
 	username := values.Get("username")
 	password := values.Get("password")
 	email := values.Get("email")
+
+	if len(username) < 3 {
+		data := make(map[string]interface{})
+		data["error"] = "Username zu kurz, du Hurensohn"
+		data["previous_email"] = email
+		c.DisplayRegistrationWithData(w, r, data)
+		return
+	}
+	if len(password) < 3 {
+		data := make(map[string]interface{})
+		data["error"] = "Passwort zu kurz, du Hurensohn"
+		data["previous_user"] = username
+		c.DisplayRegistrationWithData(w, r, data)
+		return
+	}
+	if len(email) < 3 || !reEmail.MatchString(email) {
+		data := make(map[string]interface{})
+		data["error"] = "Fick deine Email"
+		data["previous_email"] = email
+		data["previous_user"] = username
+		c.DisplayRegistrationWithData(w, r, data)
+		return
+	}
+
 	var result string
 	err = c.Database.QueryRow("SELECT * FROM login.register_user($1, $2, $3)", username, password, email).Scan(&result)
 	if err != nil {
@@ -310,13 +337,13 @@ func (c *Charakterin) Register(w http.ResponseWriter, r *http.Request) {
 			data := make(map[string]interface{})
 			data["error"] = "Der Benutzername wird bereits verwendet."
 			data["previous_email"] = email
-			c.DisplayLoginWithData(w, r, data)
+			c.DisplayRegistrationWithData(w, r, data)
 			return
 		} else if errStr == EmailAlreadyRegistered {
 			data := make(map[string]interface{})
 			data["error"] = "Diese E-Mail wird bereits verwendet."
 			data["previous_user"] = username
-			c.DisplayLoginWithData(w, r, data)
+			c.DisplayRegistrationWithData(w, r, data)
 			return
 		}
 
-- 
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