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lets-go:11.3 signup with bcrypt

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This commit is contained in:
tamsin johnson 2024-02-07 15:54:12 -08:00
parent 79978c4385
commit e50ffaaf9e
5 changed files with 42 additions and 19 deletions
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21
snippetbox/cmd/web/handlers.go
View File

@ -142,13 +142,22 @@ func (app *application) userSignupPost(w http.ResponseWriter, r *http.Request) {
return
}
// id, err := app.users.Insert(form.Username, form.Email, form.Password)
// if err != nil {
// app.serverError(w, r, err)
// return
// }
err = app.users.Insert(form.Username, form.Email, form.Password)
if err != nil {
if errors.Is(err, models.ErrDuplicateEmail) {
form.AddFieldError("email", "Email address is already in use")
app.sessionManager.Put(r.Context(), "flash", fmt.Sprintf("CREATED A USER! (%d)", 1))
data := app.newTemplateData(r)
data.Form = form
app.render(w, r, http.StatusUnprocessableEntity, "signup.tmpl", data)
} else {
app.serverError(w, r, err)
}
return
}
app.sessionManager.Put(r.Context(), "flash", fmt.Sprintf("Signup was successful (%s). Please log in.", form.Username))
http.Redirect(w, r, "/", http.StatusSeeOther)
}

2
snippetbox/db/initdb.d/init.sql
View File

@ -26,7 +26,7 @@ CREATE TABLE users (
username VARCHAR(255) NOT NULL,
email VARCHAR(255) NOT NULL,
hashed_password CHAR(60) NOT NULL,
created DATETIME NOT NULL,
created DATETIME NOT NULL
);
ALTER TABLE users ADD CONSTRAINT users_uc_email UNIQUE (email);

1
snippetbox/go.mod
View File

@ -9,4 +9,5 @@ require (
github.com/go-sql-driver/mysql v1.7.1 // indirect
github.com/julienschmidt/httprouter v1.3.0 // indirect
github.com/justinas/alice v1.2.0 // indirect
golang.org/x/crypto v0.19.0 // indirect
)

2
snippetbox/go.sum
View File

@ -11,3 +11,5 @@ github.com/julienschmidt/httprouter v1.3.0 h1:U0609e9tgbseu3rBINet9P48AI/D3oJs4d
github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
github.com/justinas/alice v1.2.0 h1:+MHSA/vccVCF4Uq37S42jwlkvI2Xzl7zTPCN5BnZNVo=
github.com/justinas/alice v1.2.0/go.mod h1:fN5HRH/reO/zrUflLfTN43t3vXvKzvZIENsNEe7i7qA=
golang.org/x/crypto v0.19.0 h1:ENy+Az/9Y1vSrlrvBSyna3PITt4tiZLf7sgCjZBX7Wo=
golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=

35
snippetbox/internal/models/users.go
View File

@ -2,7 +2,12 @@ package models
import (
"database/sql"
"errors"
"strings"
"time"
"github.com/go-sql-driver/mysql"
"golang.org/x/crypto/bcrypt"
)
type User struct {
@ -18,21 +23,27 @@ type UserModel struct {
}
// Insert
func (m *UserModel) Insert(username, email, password string) (int, error) {
// stmt := `INSERT INTO users (username, email, password, created)
// VALUES(?, ?, ?, UTC_TIMESTAMP())`
func (m *UserModel) Insert(username, email, password string) error {
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), 15)
if err != nil {
return err
}
// result, err := m.DB.Exec(stmt, username, email, password)
// if err != nil {
// return 0, err
// }
stmt := `INSERT INTO users (username, email, hashed_password, created)
VALUES(?, ?, ?, UTC_TIMESTAMP())`
// id, err := result.LastInsertId()
// if err != nil {
// return 0, err
// }
_, err = m.DB.Exec(stmt, username, email, string(hashedPassword))
if err != nil {
var mySQLError *mysql.MySQLError
if errors.As(err, &mySQLError) {
if mySQLError.Number == 1062 && strings.Contains(mySQLError.Message, "users_uc_email") {
return ErrDuplicateEmail
}
}
return err
}
return 0, nil
return nil
}
// Authenticate