Verify password for local-account activation (#13631)

* Verify passwords for activation

This is to prevent 3rd party activation

* Fix function comment

* only veify password on local-account aktivation

* fix lint

* Update templates/user/auth/activate.tmpl

Co-authored-by: silverwind <me@silverwind.io>

Co-authored-by: Andreas Shimokawa <shimokawa@fsfe.org>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

routers/user/auth.go

@@ -1203,6 +1203,8 @@ func SignUpPost(ctx *context.Context, cpt *captcha.Captcha, form auth.RegisterFo
 // Activate render activate user page
 func Activate(ctx *context.Context) {
 	code := ctx.Query("code")
+	password := ctx.Query("password")
+
 	if len(code) == 0 {
 		ctx.Data["IsActivatePage"] = true
 		if ctx.User.IsActive {
@@ -1228,8 +1230,29 @@ func Activate(ctx *context.Context) {
 		return
 	}
 
-	// Verify code.
+	user := models.VerifyUserActiveCode(code)
-	if user := models.VerifyUserActiveCode(code); user != nil {
+	// if code is wrong
+	if user == nil {
+		ctx.Data["IsActivateFailed"] = true
+		ctx.HTML(200, TplActivate)
+		return
+	}
+
+	// if account is local account, verify password
+	if user.LoginSource == 0 {
+		if len(password) == 0 {
+			ctx.Data["Code"] = code
+			ctx.Data["NeedsPassword"] = true
+			ctx.HTML(200, TplActivate)
+			return
+		}
+		if !user.ValidatePassword(password) {
+			ctx.Data["IsActivateFailed"] = true
+			ctx.HTML(200, TplActivate)
+			return
+		}
+	}
+
 	user.IsActive = true
 	var err error
 	if user.Rands, err = models.GetUserSalt(); err != nil {
@@ -1259,11 +1282,6 @@ func Activate(ctx *context.Context) {
 
 	ctx.Flash.Success(ctx.Tr("auth.account_activated"))
 	ctx.Redirect(setting.AppSubURL + "/")
-		return
-	}
-
-	ctx.Data["IsActivateFailed"] = true
-	ctx.HTML(200, TplActivate)
 }
 
 // ActivateEmail render the activate email page

templates/user/auth/activate.tmpl

@@ -18,7 +18,19 @@
 							<p>{{.i18n.Tr "auth.confirmation_mail_sent_prompt" (.SignedUser.Email|Escape) .ActiveCodeLives | Str2html}}</p>
 						{{end}}
 					{{else}}
-						{{if .IsSendRegisterMail}}
+						{{if .NeedsPassword}}
+							<form class="ui form" action="/user/activate" method="post">
+								<div class="required inline field">
+									<label for="password">{{.i18n.Tr "password"}}</label>
+									<input id="password" name="password" type="password" autocomplete="off" required>
+								</div>
+								<div class="inline field">
+									<label></label>
+									<button class="ui green button">{{.i18n.Tr "install.confirm_password"}}</button>
+								</div>
+								<input id="code" name="code" type="hidden" value="{{.Code}}">
+							</form>
+						{{else if .IsSendRegisterMail}}
 							<p>{{.i18n.Tr "auth.confirmation_mail_sent_prompt" (.Email|Escape) .ActiveCodeLives | Str2html}}</p>
 						{{else if .IsActivateFailed}}
 							<p>{{.i18n.Tr "auth.invalid_code"}}</p>