109 lines
3.2 KiB
Go
109 lines
3.2 KiB
Go
package model
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import (
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"errors"
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"fmt"
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"regexp"
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"time"
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"code.google.com/p/go.crypto/bcrypt"
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)
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var (
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ErrInvalidUserName = errors.New("Invalid User Name")
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ErrInvalidPassword = errors.New("Invalid Password")
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ErrInvalidEmail = errors.New("Invalid Email Address")
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)
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// Gravatar URL pattern
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var GravatarPattern = "https://gravatar.com/avatar/%s?s=%v&d=identicon"
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// Simple regular expression used to verify that an email
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// address matches the expected standard format.
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var RegexpEmail = regexp.MustCompile(`^[^@]+@[^@.]+\.[^@.]+`)
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type User struct {
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ID int64 `meddler:"id,pk" json:"id"`
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Email string `meddler:"email" json:"email"`
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Password string `meddler:"password" json:"-"`
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Token string `meddler:"token" json:"-"`
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Name string `meddler:"name" json:"name"`
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Gravatar string `meddler:"gravatar" json:"gravatar"`
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Created time.Time `meddler:"created,utctime" json:"created"`
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Updated time.Time `meddler:"updated,utctime" json:"updated"`
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Admin bool `meddler:"admin" json:"-"`
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// GitHub OAuth2 token for accessing public repositories.
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GithubLogin string `meddler:"github_login" json:"-"`
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GithubToken string `meddler:"github_token" json:"-"`
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// Bitbucket OAuth1.0a token and token secret.
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BitbucketLogin string `meddler:"bitbucket_login" json:"-"`
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BitbucketToken string `meddler:"bitbucket_token" json:"-"`
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BitbucketSecret string `meddler:"bitbucket_secret" json:"-"`
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}
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// Creates a new User from the given Name and Email.
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func NewUser(name, email string) *User {
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user := User{}
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user.Name = name
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user.Token = createToken()
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user.SetEmail(email)
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return &user
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}
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// Returns the Gravatar Image URL.
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func (u *User) Image() string { return fmt.Sprintf(GravatarPattern, u.Gravatar, 42) }
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func (u *User) ImageSmall() string { return fmt.Sprintf(GravatarPattern, u.Gravatar, 32) }
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func (u *User) ImageLarge() string { return fmt.Sprintf(GravatarPattern, u.Gravatar, 160) }
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// Set the email address and calculate the
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// Gravatar hash.
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func (u *User) SetEmail(email string) {
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u.Email = email
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u.Gravatar = createGravatar(email)
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}
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// Set the password and hash with bcrypt
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func (u *User) SetPassword(password string) error {
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// validate the password is an appropriate size
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switch {
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case len(password) < 6:
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return ErrInvalidPassword
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case len(password) > 256:
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return ErrInvalidPassword
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}
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// convert the password to a hash
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b, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
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if err != nil {
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return err
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}
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// update the user
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u.Password = string(b)
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return nil
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}
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// Validate verifies all required fields are correctly populated.
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func (u *User) Validate() error {
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switch {
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case len(u.Name) == 0:
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return ErrInvalidUserName
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case len(u.Name) >= 255:
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return ErrInvalidUserName
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case len(u.Email) == 0:
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return ErrInvalidEmail
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case len(u.Email) >= 255:
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return ErrInvalidEmail
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case RegexpEmail.MatchString(u.Email) == false:
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return ErrInvalidEmail
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default:
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return nil
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}
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}
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// ComparePassword compares the supplied password to
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// the user password stored in the database.
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func (u *User) ComparePassword(password string) error {
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return bcrypt.CompareHashAndPassword([]byte(u.Password), []byte(password))
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}
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