add Token authentication support

Added CRUD methods for Tokens.
Extend Auth Handler to check for the presence of a Bearer Authorization
header to authenticate against. If there is no header, or the token is not
valid, the Auth Handler falls back to looking for a Session.

pkg/models/account.go

@@ -23,23 +23,21 @@ type Account struct {
 	Company         string
 	NextDashboardId int
 	UsingAccountId  int64
-
-	Created time.Time
-	Updated time.Time
+	Created         time.Time
+	Updated         time.Time
 }
 
 // ---------------------
 // COMMANDS
 
 type CreateAccountCommand struct {
-	Email    string `json:"email" binding:"required"`
-	Login    string `json:"login"`
-	Password string `json:"password" binding:"required"`
-	Name     string `json:"name"`
-	Company  string `json:"company"`
-	Salt     string `json:"-"`
-
-	Result Account `json:"-"`
+	Email    string  `json:"email" binding:"required"`
+	Login    string  `json:"login"`
+	Password string  `json:"password" binding:"required"`
+	Name     string  `json:"name"`
+	Company  string  `json:"company"`
+	Salt     string  `json:"-"`
+	Result   Account `json:"-"`
 }
 
 type SetUsingAccountCommand struct {

pkg/models/token.go

@@ -0,0 +1,62 @@
+package models
+
+import (
+	"time"
+)
+
+type Token struct {
+	Id        int64
+	AccountId int64    `xorm:"not null unique(uix_account_id_name)"`
+	Name      string   `xorm:"not null unique(uix_account_id_name)"`
+	Token     string   `xorm:"UNIQUE NOT NULL"`
+	Role      RoleType `xorm:"not null"`
+	Created   time.Time
+	Updated   time.Time
+}
+
+// ---------------------
+// COMMANDS
+type AddTokenCommand struct {
+	Name      string   `json:"name" binding:"required"`
+	Role      RoleType `json:"role" binding:"required"`
+	AccountId int64    `json:"-"`
+	Token     string   `json:"-"`
+	Result    *Token   `json:"-"`
+}
+
+type UpdateTokenCommand struct {
+	Id        int64    `json:"id"`
+	Name      string   `json:"name"`
+	AccountId int64    `json:"-"`
+	Role      RoleType `json:"role"`
+	Result    *Token   `json:"-"`
+}
+
+type DeleteTokenCommand struct {
+	Id        int64  `json:"id"`
+	AccountId int64  `json:"-"`
+	Result    *Token `json:"-"`
+}
+
+// ----------------------
+// QUERIES
+
+type GetTokensQuery struct {
+	AccountId int64
+	Result    []*Token
+}
+
+type GetAccountByTokenQuery struct {
+	Token  string
+	Result *Account
+}
+
+// ------------------------
+// DTO & Projections
+
+type TokenDTO struct {
+	Id    int64    `json:"id"`
+	Name  string   `json:"name"`
+	Token string   `json:"token"`
+	Role  RoleType `json:"role"`
+}