fette checks bei registration

1 files changed, 29 insertions, 2 deletions

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
                 }