auth: add SetData, GetData to UserStore interface, add Login/Logout wrappers

auth/auth.go

@@ -2,6 +2,8 @@ package auth
 
 import (
   "time"
+  "net/http"
+  "nilfm.cc/git/quartzgun/cookie"
 )
 
 type User struct {
@@ -21,12 +23,26 @@ type UserStore interface {
   AddUser(user string, password string) error
   DeleteUser(user string) error
   ChangePassword(user string, oldPassword string, newPassword string) error
+  SetData(user string, key string, value interface{}) error
+  GetData(user string, key string) (interface{}, error)
 }
 
-func Login(user string, password string, userStore UserStore) (string, error) {
-  //ValidateUser (check user exists, hash and compare password)
-  //InitiateUserSession (generate token and assign it to the user)
-  //set username in cookie
-  //return token, nil
-  return "", nil
+func Login(user string, password string, userStore UserStore, w http.ResponseWriter, t int) error {
+  session, loginErr := userStore.InitiateSession(user, password)
+  if loginErr == nil {
+    cookie.StoreToken("user", user, w, t)
+    cookie.StoreToken("session", session, w, t)
+    return nil
+  }
+  return loginErr
+}
+
+func Logout(user string, userStore UserStore, w http.ResponseWriter) error {
+  logoutErr :=  userStore.EndSession(user)
+  if logoutErr == nil {
+    cookie.StoreToken("user", "", w, 0)
+    cookie.StoreToken("session", "", w, 0)
+    return nil
+  }
+  return logoutErr
 }

indentalUserDB/indentalUserDB.go

@@ -117,6 +117,27 @@ func (self *IndentalUserDB) AddUser(user string, password string) error{
   return nil;
 }
 
+func (self *IndentalUserDB) SetData(user string, key string, value interface{}) error {
+  if _, exists := self.Users[user]; !exists {
+    return errors.New("User not in DB")
+  }
+
+  self.Users[user].Data[key] = value;
+  return nil;
+}
+
+func (self *IndentalUserDB) GetData(user string, key string) (interface{}, error) {
+  if _, usrExists := self.Users[user]; !usrExists {
+    return nil, errors.New("User not in DB")
+  }
+  data, exists := self.Users[user].Data[key]
+  if !exists {
+    return nil, errors.New("No data key for user")
+  }
+
+  return data, nil
+}
+
 const timeFmt = "2006-01-02T15:04Z"
 
 func readDB(filePath string) (map[string]*auth.User, error) {