Deepak
262321a1e2
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85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
package models
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import (
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"fmt"
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"golang.org/x/crypto/bcrypt"
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)
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// User represents the full DB user field, for inserts and compares.
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// No reason to return the hashed pw on the route though.
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type User struct {
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UserID int64
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Username string
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DisplayName string
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Password []byte
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}
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// UserNoPassword contains the non password user fields.
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// This is preferred outside of the model / store.
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type UserNoPassword struct {
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UserID int64 `json:"user_id"`
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Username string `json:"username"`
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DisplayName string `json:"display_name"`
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}
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// VerifyUserByUsernamePassword returns a single user by the unique username, if the provided password is correct.
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func (m *Model) VerifyUserByUsernamePassword(username string, password string) (*UserNoPassword, error) {
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user, err := m.SelectUserByUsername(username)
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if err != nil {
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// throwaway to pad time
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hashPassword(username)
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return nil, wrapInvalidLogin(err)
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}
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err = bcrypt.CompareHashAndPassword(user.Password, []byte(password))
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if err != nil {
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return nil, wrapInvalidLogin(err)
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}
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return user.NoPassword(), nil
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}
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// NoPassword strips the user of password.
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func (u *User) NoPassword() *UserNoPassword {
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return &UserNoPassword{
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UserID: u.UserID,
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Username: u.Username,
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DisplayName: u.DisplayName,
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}
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}
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// CreateUserRequest represents a desired user creation.
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type CreateUserRequest struct {
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Username string `json:"username"`
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DisplayName string `json:"display_name"`
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Password string `json:"password"`
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}
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// CreateUser takes in a create user request and returns the ID of the newly created user.
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func (m *Model) CreateUser(req *CreateUserRequest) (int, error) {
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if req.Username == "" {
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return -1, fmt.Errorf("No username provided")
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}
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if req.Password == "" {
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return -1, fmt.Errorf("No password provided")
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}
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hash, err := hashPassword(req.Password)
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if err != nil {
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return -1, err
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}
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desiredUser := &User{
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Username: req.Username,
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DisplayName: req.DisplayName,
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Password: hash,
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}
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return m.InsertUser(desiredUser)
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}
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// hashPassword hashes a password
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func hashPassword(password string) ([]byte, error) {
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bytes, err := bcrypt.GenerateFromPassword([]byte(password), 11)
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return bytes, err
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}
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