133 lines
3.2 KiB
Go
133 lines
3.2 KiB
Go
package main
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import (
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"database/sql"
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"encoding/json"
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"errors"
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"net/http"
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"strconv"
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"time"
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"github.com/gorilla/mux"
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"golang.org/x/crypto/bcrypt"
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)
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var (
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ErrUserNotFound = errors.New("user not found")
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ErrInvalidEmailOrPassword = errors.New("Invalid email or password")
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)
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func init() {
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DB.AddTableWithName(User{}, "users").SetKeys(true, "Id")
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}
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// A User is a person that has administrative access to bactdb.
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type User struct {
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Id int64 `json:"id,omitempty"`
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Email string `db:"email" json:"email"`
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Password string `db:"password" json:"-"`
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Name string `db:"name" json:"name"`
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Role string `db:"role" json:"role"`
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CreatedAt time.Time `db:"created_at" json:"createdAt"`
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UpdatedAt time.Time `db:"updated_at" json:"updatedAt"`
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DeletedAt NullTime `db:"deleted_at" json:"deletedAt"`
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}
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type UserJSON struct {
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User *User `json:"user"`
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}
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type UsersJSON struct {
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Users []*User `json:"users"`
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}
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func serveUsersList(w http.ResponseWriter, r *http.Request) {
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var opt ListOptions
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if err := schemaDecoder.Decode(&opt, r.URL.Query()); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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users, err := dbGetUsers(&opt)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if users == nil {
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users = []*User{}
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}
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data, err := json.Marshal(UsersJSON{Users: users})
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json; charset=UTF-8")
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w.Write(data)
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}
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func serveUser(w http.ResponseWriter, r *http.Request) {
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id, err := strconv.ParseInt(mux.Vars(r)["Id"], 10, 0)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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user, err := dbGetUser(id)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data, err := json.Marshal(UserJSON{User: user})
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json; charset=UTF-8")
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w.Write(data)
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}
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func dbAuthenticate(email string, password string) error {
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var user User
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q := `SELECT * FROM users WHERE lower(email)=lower($1);`
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if err := DBH.SelectOne(&user, q, email); err != nil {
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return ErrInvalidEmailOrPassword
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}
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if err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password)); err != nil {
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return ErrInvalidEmailOrPassword
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}
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return nil
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}
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func dbGetUsers(opt *ListOptions) ([]*User, error) {
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var users []*User
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sql := `SELECT * FROM users;`
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if err := DBH.Select(&users, sql); err != nil {
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return nil, err
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}
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return users, nil
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}
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func dbGetUser(id int64) (*User, error) {
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var user User
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q := `SELECT * FROM users WHERE id=$1;`
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if err := DBH.SelectOne(&user, q, id); err != nil {
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if err == sql.ErrNoRows {
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return nil, ErrUserNotFound
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}
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return nil, err
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}
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return &user, nil
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}
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func dbGetUserByEmail(email string) (*User, error) {
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var user User
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q := `SELECT * FROM users WHERE lower(email)=lower($1);`
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if err := DBH.SelectOne(&user, q, email); err != nil {
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if err == sql.ErrNoRows {
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return nil, ErrUserNotFound
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}
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return nil, err
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}
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return &user, nil
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}
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