feat(auth): Add /token endpoint to request a access token

app/models/authorization.go

@@ -33,7 +33,7 @@ func (authorization *Authorization) BeforeCreate(tx *gorm.DB) (err error) {
 	}
 	authorization.Code = codeHash
 	if authorization.ExpiresAt == nil {
-		expiresAt := time.Now().Add(time.Minute * 10)
+		expiresAt := time.Now().Add(time.Minute * 2)
 		authorization.ExpiresAt = &expiresAt
 	}
 	return nil

app/models/session.go

@@ -0,0 +1,22 @@
+package models
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type Session struct {
+	ID        uuid.UUID      `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
+	UserID    uuid.UUID      `gorm:"type:uuid;not null" json:"user_id"`
+	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"deleted_at"`
+
+	User *User `gorm:"foreignKey:UserID" json:"user"`
+}
+
+func (Session) TableName() string {
+	return "sessions"
+}

app/models/token.go

@@ -0,0 +1,43 @@
+package models
+
+import (
+	"time"
+
+	"git.secnex.io/secnex/oauth2-api/utils"
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type Token struct {
+	ID                    uuid.UUID      `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
+	UserID                uuid.UUID      `gorm:"type:uuid;not null" json:"user_id"`
+	RefreshToken          string         `gorm:"not null" json:"refresh_token"`
+	SessionExpiresAt      *time.Time     `gorm:"not null" json:"session_expires_at"`
+	RefreshTokenExpiresAt *time.Time     `gorm:"not null" json:"refresh_token_expires_at"`
+	CreatedAt             time.Time      `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt             time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
+	DeletedAt             gorm.DeletedAt `gorm:"index" json:"deleted_at"`
+
+	User *User `gorm:"foreignKey:UserID" json:"user"`
+}
+
+func (Token) TableName() string {
+	return "tokens"
+}
+
+func (token *Token) BeforeCreate(tx *gorm.DB) (err error) {
+	refreshTokenHash, err := utils.Hash(token.RefreshToken)
+	if err != nil {
+		return err
+	}
+	token.RefreshToken = refreshTokenHash
+	if token.SessionExpiresAt == nil {
+		sessionExpiresAt := time.Now().Add(time.Hour * 24)
+		token.SessionExpiresAt = &sessionExpiresAt
+	}
+	if token.RefreshTokenExpiresAt == nil {
+		refreshTokenExpiresAt := time.Now().Add(time.Hour * 24 * 30)
+		token.RefreshTokenExpiresAt = &refreshTokenExpiresAt
+	}
+	return nil
+}

app/models/user.go

@@ -22,7 +22,11 @@ type User struct {
 	UpdatedAt  time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
 	DeletedAt  gorm.DeletedAt `gorm:"index" json:"deleted_at"`
 
-	Tenant *Tenant `gorm:"foreignKey:TenantID" json:"tenant"`
+	Tenant *Tenant `gorm:"foreignKey:TenantID"`
+
+	Authorizations []Authorization `gorm:"foreignKey:UserID" json:"-"`
+	Sessions       []Session       `gorm:"foreignKey:UserID" json:"-"`
+	Tokens         []Token         `gorm:"foreignKey:UserID" json:"-"`
 }
 
 func (User) TableName() string {