Add user email verification when registering (#5)

Featurecreep.md

@@ -233,7 +233,7 @@ Teams sind global, d.h. Ein Team kann mehrere Namespaces verwalten.
 	-> Soweit es geht und Sinnvoll ist auf den neuen Handler umziehen
 		-> Login/Register/Password-reset geht natürlich nicht
 		-> Bleibt noch Profile abrufen und Einstellungen -> Macht also keinen Sinn das auf den neuen Handler umzuziehen
-* [ ] Email-Verifizierung beim Registrieren
+* [x] Email-Verifizierung beim Registrieren
 * [x] Password Reset -> Link via email oder so
 * [ ] Settings
 

REST-Tests/auth.http

@@ -9,17 +9,15 @@ Content-Type: application/json
 
 > {% client.global.set("auth_token", response.body.token); %}
 
-###
-
-## Register
+### Register
 
 POST http://localhost:8080/api/v1/register
 Content-Type: application/json
 
 {
-  "username": "user3",
+  "username": "user4",
   "password": "1234",
-  "email": "3@knt.li"
+  "email": "4@knt.li"
 }
 
 ###

REST-Tests/users.http

@@ -30,7 +30,7 @@ Accept: application/json
   "user_name": "user"
 }
 
-### Request a password to reset a password
+### Request a token to reset a password
 POST http://localhost:8080/api/v1/user/password/reset
 Content-Type: application/json
 Accept: application/json
@@ -40,4 +40,14 @@ Accept: application/json
   "new_password": "1234"
 }
 
+### Confirm a users email address
+
+POST http://localhost:8080/api/v1/user/confirm
+Content-Type: application/json
+Accept: application/json
+
+{
+  "token": "cqucJFxaTBwEZfuQATIBouCvpAfVUWXvrinRXSZpWpxikBMKyBtfNsZysvKOwCPMTsfmHZZeXiHhdBQyAUHFkMiXFAKqzMTWpTTJLkVeoKSkoinlsnxuPiqXjOHJNhnihRtRTdpQARQBlGHBrppojIJwZdKtmXsxwqMDwYKiTuHwjaOKYLeMLQaEWYpmedfvjtwSqhfuitguIatvLbVmtMfEAgwTcHscGeHpPsHFhLMXDqzwCmJYqsXoXxaumMaqaGOTguwvpWXCfvfBSXsjqiTwOcxhdYTRvQNoHijYkzshmrPDwiQcMNyCRzenxaKcrrVPcxJMmMGffjkRQlMtzUyBuHbHLbwQRaadLqPWuKJdXKSjMGiIFzyhCTzOSzMXgSCBtIfRFQaqsUss"
+}
+
 ###

models/error.go

@@ -174,6 +174,29 @@ func IsErrInvalidPasswordResetToken(err error) bool {
 	return ok
 }
 
+// ErrInvalidEmailConfirmToken is an error where the email confirm token is invalid
+type ErrInvalidEmailConfirmToken struct {
+	Token string
+}
+
+func (err ErrInvalidEmailConfirmToken) Error() string {
+	return fmt.Sprintf("Invalid email confirm token [Token: %s]", err.Token)
+}
+
+// ErrCodeInvalidEmailConfirmToken holds the unique world-error code of this error
+const ErrCodeInvalidEmailConfirmToken = 1010
+
+// HTTPError holds the http error description
+func (err ErrInvalidEmailConfirmToken) HTTPError() HTTPError {
+	return HTTPError{HTTPCode: http.StatusPreconditionFailed, Code: ErrCodeInvalidEmailConfirmToken, Message: "Invalid email confirm token."}
+}
+
+// IsErrInvalidEmailConfirmToken checks if an error is a ErrInvalidEmailConfirmToken.
+func IsErrInvalidEmailConfirmToken(err error) bool {
+	_, ok := err.(ErrInvalidEmailConfirmToken)
+	return ok
+}
+
 // ===================
 // Empty things errors
 // ===================

models/user.go

@@ -18,8 +18,10 @@ type User struct {
 	Username string `xorm:"varchar(250) not null unique" json:"username"`
 	Password string `xorm:"varchar(250) not null" json:"-"`
 	Email    string `xorm:"varchar(250)" json:"email"`
+	IsActive bool   `json:"-"`
 
 	PasswordResetToken string `xorm:"varchar(450)" json:"-"`
+	EmailConfirmToken  string `xorm:"varchar(450)" json:"-"`
 
 	Created int64 `xorm:"created" json:"-"`
 	Updated int64 `xorm:"updated" json:"-"`

models/user_add_update.go

@@ -1,6 +1,8 @@
 package models
 
 import (
+	"code.vikunja.io/api/models/mail"
+	"code.vikunja.io/api/models/utils"
 	"golang.org/x/crypto/bcrypt"
 )
 
@@ -48,6 +50,12 @@ func CreateUser(user User) (newUser User, err error) {
 		return User{}, err
 	}
 
+	// Generate a confirm token
+	newUser.EmailConfirmToken = utils.MakeRandomString(400)
+
+	// The new user should not be activated until it confirms his mail address
+	newUser.IsActive = false
+
 	// Insert it
 	_, err = x.Insert(newUser)
 	if err != nil {
@@ -67,6 +75,13 @@ func CreateUser(user User) (newUser User, err error) {
 		return User{}, err
 	}
 
+	// Send the user a mail with a link to confirm the mail
+	data := map[string]interface{}{
+		"User": newUserOut,
+	}
+
+	mail.SendMailWithTemplate(user.Email, newUserOut.Username+" + Vikunja = <3", "confirm-email", data)
+
 	return newUserOut, err
 }
 

models/user_email_confirm.go

@@ -0,0 +1,25 @@
+package models
+
+// EmailConfirm holds the token to confirm a mail address
+type EmailConfirm struct {
+	Token string `json:"token"`
+}
+
+// UserEmailConfirm handles the confirmation of an email address
+func UserEmailConfirm(c *EmailConfirm) (err error) {
+
+	user := User{}
+	has, err := x.Where("email_confirm_token = ?", c.Token).Get(&user)
+	if err != nil {
+		return
+	}
+
+	if !has {
+		return ErrInvalidEmailConfirmToken{Token: c.Token}
+	}
+
+	user.IsActive = true
+	user.EmailConfirmToken = ""
+	_, err = x.Where("id = ?", user.ID).Cols("is_active", "email_confirm_token").Update(&user)
+	return
+}

routes/api/v1/swagger/options.go

@@ -46,4 +46,7 @@ type swaggerParameterBodies struct {
 
 	// in:body
 	PasswordTokenRequest models.PasswordTokenRequest
+
+	// in:body
+	EmailConfirm models.EmailConfirm
 }

routes/api/v1/user_confirm_email.go

@@ -0,0 +1,46 @@
+package v1
+
+import (
+	"code.vikunja.io/api/models"
+	"code.vikunja.io/api/routes/crud"
+	"github.com/labstack/echo"
+	"net/http"
+)
+
+// UserConfirmEmail is the handler to confirm a user email
+func UserConfirmEmail(c echo.Context) error {
+	// swagger:operation POST /user/confirm user confirmEmail
+	// ---
+	// summary: Confirms a users email address
+	// consumes:
+	// - application/json
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: body
+	//   in: body
+	//   schema:
+	//     "$ref": "#/definitions/EmailConfirm"
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/Message"
+	//   "400":
+	//     "$ref": "#/responses/Message"
+	//   "404":
+	//     "$ref": "#/responses/Message"
+	//   "500":
+	//     "$ref": "#/responses/Message"
+
+	// Check for Request Content
+	var emailConfirm models.EmailConfirm
+	if err := c.Bind(&emailConfirm); err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, "No token provided.")
+	}
+
+	err := models.UserEmailConfirm(&emailConfirm)
+	if err != nil {
+		return crud.HandleHTTPError(err)
+	}
+
+	return c.JSON(http.StatusOK, models.Message{"The email was confirmed successfully."})
+}

routes/routes.go

@@ -67,6 +67,7 @@ func RegisterRoutes(e *echo.Echo) {
 	a.POST("/register", apiv1.RegisterUser)
 	a.POST("/user/password/token", apiv1.UserRequestResetPasswordToken)
 	a.POST("/user/password/reset", apiv1.UserResetPassword)
+	a.POST("/user/confirm", apiv1.UserConfirmEmail)
 
 	// ===== Routes with Authetification =====
 	// Authetification

templates/mail/confirm-email.html.tmpl

@@ -0,0 +1,16 @@
+{{template "mail-header.tmpl" .}}
+<p>
+    Hi {{.User.Username}},<br>
+    <br>
+    Welcome to Vikunja!
+    <br/>
+    To confirm you email address, click the link below:
+</p>
+<a href="{{.FrontendURL}}?userEmailConfirm={{.User.EmailConfirmToken}}" title="Confirm your email address" style="background: rgb(20, 131, 175); -webkit-border-radius: 4px; -moz-border-radius: 4px; border-radius: 4px; border: 1px solid rgb(16, 106, 140); border-bottom-width: 3px;  color: rgb(255, 255, 255); font-weight: 700; font-size: 13px; margin: 10px auto; padding: 5px 10px; text-decoration: none; text-align: center; text-rendering: optimizelegibility; text-transform: uppercase; display: block; width: 200px;">
+    Confirm your email address
+</a>
+<p>
+    If the button above doesn't work, copy the url below and paste it in your browsers address bar:<br/>
+    {{.FrontendURL}}?userEmailConfirm={{.User.EmailConfirmToken}}
+</p>
+{{template "mail-footer.tmpl"}}

templates/mail/confirm-email.plain.tmpl

@@ -0,0 +1,7 @@
+Hi {{.User.Username}},
+
+Welcome to Vikunja!
+
+To confirm you email address, click the link below:
+
+{{.User.EmailConfirmToken}}