2b36bdd490
* Do not display the raw OpenID error in the UI If there are no `WHITELIST_URIS` or `BLACKLIST_URIS` set in the openid section of the app.ini, it is possible that gitea can leak sensitive information about the local network through the error provided by the UI. This PR hides the error information and logs it. Fix #4973 Signed-off-by: Andrew Thornton <art27@cantab.net> * Update auth_openid.go Place error log within the `err != nil` branch.
438 lines
13 KiB
Go
438 lines
13 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package user
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import (
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"fmt"
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"net/url"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/auth"
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"code.gitea.io/gitea/modules/auth/openid"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/generate"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/recaptcha"
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"code.gitea.io/gitea/modules/setting"
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"github.com/go-macaron/captcha"
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)
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const (
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tplSignInOpenID base.TplName = "user/auth/signin_openid"
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tplConnectOID base.TplName = "user/auth/signup_openid_connect"
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tplSignUpOID base.TplName = "user/auth/signup_openid_register"
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)
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// SignInOpenID render sign in page
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func SignInOpenID(ctx *context.Context) {
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ctx.Data["Title"] = ctx.Tr("sign_in")
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if ctx.Query("openid.return_to") != "" {
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signInOpenIDVerify(ctx)
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return
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}
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// Check auto-login.
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isSucceed, err := AutoSignIn(ctx)
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if err != nil {
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ctx.ServerError("AutoSignIn", err)
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return
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}
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redirectTo := ctx.Query("redirect_to")
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if len(redirectTo) > 0 {
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ctx.SetCookie("redirect_to", redirectTo, 0, setting.AppSubURL, "", setting.SessionConfig.Secure, true)
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} else {
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redirectTo, _ = url.QueryUnescape(ctx.GetCookie("redirect_to"))
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}
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if isSucceed {
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ctx.SetCookie("redirect_to", "", -1, setting.AppSubURL, "", setting.SessionConfig.Secure, true)
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ctx.RedirectToFirst(redirectTo)
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return
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}
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ctx.Data["PageIsSignIn"] = true
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ctx.Data["PageIsLoginOpenID"] = true
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ctx.HTML(200, tplSignInOpenID)
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}
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// Check if the given OpenID URI is allowed by blacklist/whitelist
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func allowedOpenIDURI(uri string) (err error) {
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// In case a Whitelist is present, URI must be in it
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// in order to be accepted
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if len(setting.Service.OpenIDWhitelist) != 0 {
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for _, pat := range setting.Service.OpenIDWhitelist {
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if pat.MatchString(uri) {
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return nil // pass
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}
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}
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// must match one of this or be refused
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return fmt.Errorf("URI not allowed by whitelist")
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}
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// A blacklist match expliclty forbids
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for _, pat := range setting.Service.OpenIDBlacklist {
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if pat.MatchString(uri) {
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return fmt.Errorf("URI forbidden by blacklist")
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}
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}
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return nil
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}
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// SignInOpenIDPost response for openid sign in request
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func SignInOpenIDPost(ctx *context.Context, form auth.SignInOpenIDForm) {
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ctx.Data["Title"] = ctx.Tr("sign_in")
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ctx.Data["PageIsSignIn"] = true
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ctx.Data["PageIsLoginOpenID"] = true
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if ctx.HasError() {
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ctx.HTML(200, tplSignInOpenID)
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return
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}
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id, err := openid.Normalize(form.Openid)
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if err != nil {
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ctx.RenderWithErr(err.Error(), tplSignInOpenID, &form)
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return
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}
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form.Openid = id
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log.Trace("OpenID uri: " + id)
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err = allowedOpenIDURI(id)
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if err != nil {
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ctx.RenderWithErr(err.Error(), tplSignInOpenID, &form)
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return
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}
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redirectTo := setting.AppURL + "user/login/openid"
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url, err := openid.RedirectURL(id, redirectTo, setting.AppURL)
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if err != nil {
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log.Error(1, "Error in OpenID redirect URL: %s, %v", redirectTo, err.Error())
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ctx.RenderWithErr(fmt.Sprintf("Unable to find OpenID provider in %s", redirectTo), tplSignInOpenID, &form)
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return
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}
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// Request optional nickname and email info
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// NOTE: change to `openid.sreg.required` to require it
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url += "&openid.ns.sreg=http%3A%2F%2Fopenid.net%2Fextensions%2Fsreg%2F1.1"
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url += "&openid.sreg.optional=nickname%2Cemail"
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log.Trace("Form-passed openid-remember: %s", form.Remember)
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ctx.Session.Set("openid_signin_remember", form.Remember)
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ctx.Redirect(url)
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}
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// signInOpenIDVerify handles response from OpenID provider
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func signInOpenIDVerify(ctx *context.Context) {
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log.Trace("Incoming call to: " + ctx.Req.Request.URL.String())
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fullURL := setting.AppURL + ctx.Req.Request.URL.String()[1:]
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log.Trace("Full URL: " + fullURL)
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var id, err = openid.Verify(fullURL)
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if err != nil {
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ctx.RenderWithErr(err.Error(), tplSignInOpenID, &auth.SignInOpenIDForm{
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Openid: id,
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})
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return
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}
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log.Trace("Verified ID: " + id)
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/* Now we should seek for the user and log him in, or prompt
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* to register if not found */
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u, _ := models.GetUserByOpenID(id)
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if err != nil {
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if !models.IsErrUserNotExist(err) {
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ctx.RenderWithErr(err.Error(), tplSignInOpenID, &auth.SignInOpenIDForm{
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Openid: id,
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})
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return
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}
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}
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if u != nil {
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log.Trace("User exists, logging in")
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remember, _ := ctx.Session.Get("openid_signin_remember").(bool)
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log.Trace("Session stored openid-remember: %s", remember)
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handleSignIn(ctx, u, remember)
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return
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}
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log.Trace("User with openid " + id + " does not exist, should connect or register")
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parsedURL, err := url.Parse(fullURL)
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if err != nil {
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ctx.RenderWithErr(err.Error(), tplSignInOpenID, &auth.SignInOpenIDForm{
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Openid: id,
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})
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return
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}
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values, err := url.ParseQuery(parsedURL.RawQuery)
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if err != nil {
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ctx.RenderWithErr(err.Error(), tplSignInOpenID, &auth.SignInOpenIDForm{
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Openid: id,
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})
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return
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}
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email := values.Get("openid.sreg.email")
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nickname := values.Get("openid.sreg.nickname")
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log.Trace("User has email=" + email + " and nickname=" + nickname)
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if email != "" {
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u, _ = models.GetUserByEmail(email)
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if err != nil {
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if !models.IsErrUserNotExist(err) {
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ctx.RenderWithErr(err.Error(), tplSignInOpenID, &auth.SignInOpenIDForm{
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Openid: id,
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})
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return
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}
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}
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if u != nil {
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log.Trace("Local user " + u.LowerName + " has OpenID provided email " + email)
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}
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}
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if u == nil && nickname != "" {
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u, _ = models.GetUserByName(nickname)
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if err != nil {
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if !models.IsErrUserNotExist(err) {
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ctx.RenderWithErr(err.Error(), tplSignInOpenID, &auth.SignInOpenIDForm{
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Openid: id,
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})
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return
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}
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}
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if u != nil {
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log.Trace("Local user " + u.LowerName + " has OpenID provided nickname " + nickname)
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}
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}
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ctx.Session.Set("openid_verified_uri", id)
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ctx.Session.Set("openid_determined_email", email)
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if u != nil {
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nickname = u.LowerName
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}
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ctx.Session.Set("openid_determined_username", nickname)
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if u != nil || !setting.Service.EnableOpenIDSignUp {
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ctx.Redirect(setting.AppSubURL + "/user/openid/connect")
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} else {
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ctx.Redirect(setting.AppSubURL + "/user/openid/register")
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}
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}
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// ConnectOpenID shows a form to connect an OpenID URI to an existing account
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func ConnectOpenID(ctx *context.Context) {
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oid, _ := ctx.Session.Get("openid_verified_uri").(string)
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if oid == "" {
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ctx.Redirect(setting.AppSubURL + "/user/login/openid")
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return
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}
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ctx.Data["Title"] = "OpenID connect"
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ctx.Data["PageIsSignIn"] = true
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ctx.Data["PageIsOpenIDConnect"] = true
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ctx.Data["EnableOpenIDSignUp"] = setting.Service.EnableOpenIDSignUp
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ctx.Data["OpenID"] = oid
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userName, _ := ctx.Session.Get("openid_determined_username").(string)
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if userName != "" {
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ctx.Data["user_name"] = userName
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}
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ctx.HTML(200, tplConnectOID)
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}
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// ConnectOpenIDPost handles submission of a form to connect an OpenID URI to an existing account
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func ConnectOpenIDPost(ctx *context.Context, form auth.ConnectOpenIDForm) {
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oid, _ := ctx.Session.Get("openid_verified_uri").(string)
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if oid == "" {
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ctx.Redirect(setting.AppSubURL + "/user/login/openid")
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return
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}
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ctx.Data["Title"] = "OpenID connect"
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ctx.Data["PageIsSignIn"] = true
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ctx.Data["PageIsOpenIDConnect"] = true
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ctx.Data["EnableOpenIDSignUp"] = setting.Service.EnableOpenIDSignUp
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ctx.Data["OpenID"] = oid
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u, err := models.UserSignIn(form.UserName, form.Password)
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if err != nil {
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if models.IsErrUserNotExist(err) {
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ctx.RenderWithErr(ctx.Tr("form.username_password_incorrect"), tplConnectOID, &form)
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} else {
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ctx.ServerError("ConnectOpenIDPost", err)
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}
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return
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}
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// add OpenID for the user
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userOID := &models.UserOpenID{UID: u.ID, URI: oid}
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if err = models.AddUserOpenID(userOID); err != nil {
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if models.IsErrOpenIDAlreadyUsed(err) {
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ctx.RenderWithErr(ctx.Tr("form.openid_been_used", oid), tplConnectOID, &form)
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return
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}
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ctx.ServerError("AddUserOpenID", err)
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return
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}
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ctx.Flash.Success(ctx.Tr("settings.add_openid_success"))
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remember, _ := ctx.Session.Get("openid_signin_remember").(bool)
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log.Trace("Session stored openid-remember: %s", remember)
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handleSignIn(ctx, u, remember)
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}
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// RegisterOpenID shows a form to create a new user authenticated via an OpenID URI
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func RegisterOpenID(ctx *context.Context) {
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oid, _ := ctx.Session.Get("openid_verified_uri").(string)
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if oid == "" {
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ctx.Redirect(setting.AppSubURL + "/user/login/openid")
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return
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}
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ctx.Data["Title"] = "OpenID signup"
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ctx.Data["PageIsSignIn"] = true
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ctx.Data["PageIsOpenIDRegister"] = true
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ctx.Data["EnableOpenIDSignUp"] = setting.Service.EnableOpenIDSignUp
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ctx.Data["EnableCaptcha"] = setting.Service.EnableCaptcha
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ctx.Data["CaptchaType"] = setting.Service.CaptchaType
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ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
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ctx.Data["OpenID"] = oid
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userName, _ := ctx.Session.Get("openid_determined_username").(string)
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if userName != "" {
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ctx.Data["user_name"] = userName
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}
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email, _ := ctx.Session.Get("openid_determined_email").(string)
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if email != "" {
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ctx.Data["email"] = email
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}
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ctx.HTML(200, tplSignUpOID)
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}
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// RegisterOpenIDPost handles submission of a form to create a new user authenticated via an OpenID URI
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func RegisterOpenIDPost(ctx *context.Context, cpt *captcha.Captcha, form auth.SignUpOpenIDForm) {
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oid, _ := ctx.Session.Get("openid_verified_uri").(string)
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if oid == "" {
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ctx.Redirect(setting.AppSubURL + "/user/login/openid")
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return
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}
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ctx.Data["Title"] = "OpenID signup"
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ctx.Data["PageIsSignIn"] = true
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ctx.Data["PageIsOpenIDRegister"] = true
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ctx.Data["EnableOpenIDSignUp"] = setting.Service.EnableOpenIDSignUp
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ctx.Data["EnableCaptcha"] = setting.Service.EnableCaptcha
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ctx.Data["CaptchaType"] = setting.Service.CaptchaType
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ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
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ctx.Data["OpenID"] = oid
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if setting.Service.EnableCaptcha && setting.Service.CaptchaType == setting.ImageCaptcha && !cpt.VerifyReq(ctx.Req) {
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ctx.Data["Err_Captcha"] = true
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ctx.RenderWithErr(ctx.Tr("form.captcha_incorrect"), tplSignUpOID, &form)
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return
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}
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if setting.Service.EnableCaptcha && setting.Service.CaptchaType == setting.ReCaptcha {
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ctx.Req.ParseForm()
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valid, _ := recaptcha.Verify(form.GRecaptchaResponse)
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if !valid {
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ctx.Data["Err_Captcha"] = true
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ctx.RenderWithErr(ctx.Tr("form.captcha_incorrect"), tplSignUpOID, &form)
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return
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}
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}
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len := setting.MinPasswordLength
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if len < 256 {
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len = 256
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}
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password, err := generate.GetRandomString(len)
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if err != nil {
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ctx.RenderWithErr(err.Error(), tplSignUpOID, form)
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return
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}
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// TODO: abstract a finalizeSignUp function ?
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u := &models.User{
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Name: form.UserName,
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Email: form.Email,
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Passwd: password,
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IsActive: !setting.Service.RegisterEmailConfirm,
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}
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if err := models.CreateUser(u); err != nil {
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switch {
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case models.IsErrUserAlreadyExist(err):
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ctx.Data["Err_UserName"] = true
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ctx.RenderWithErr(ctx.Tr("form.username_been_taken"), tplSignUpOID, &form)
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case models.IsErrEmailAlreadyUsed(err):
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ctx.Data["Err_Email"] = true
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ctx.RenderWithErr(ctx.Tr("form.email_been_used"), tplSignUpOID, &form)
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case models.IsErrNameReserved(err):
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ctx.Data["Err_UserName"] = true
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ctx.RenderWithErr(ctx.Tr("user.form.name_reserved", err.(models.ErrNameReserved).Name), tplSignUpOID, &form)
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case models.IsErrNamePatternNotAllowed(err):
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ctx.Data["Err_UserName"] = true
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ctx.RenderWithErr(ctx.Tr("user.form.name_pattern_not_allowed", err.(models.ErrNamePatternNotAllowed).Pattern), tplSignUpOID, &form)
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default:
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ctx.ServerError("CreateUser", err)
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}
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return
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}
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log.Trace("Account created: %s", u.Name)
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// add OpenID for the user
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userOID := &models.UserOpenID{UID: u.ID, URI: oid}
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if err = models.AddUserOpenID(userOID); err != nil {
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if models.IsErrOpenIDAlreadyUsed(err) {
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ctx.RenderWithErr(ctx.Tr("form.openid_been_used", oid), tplSignUpOID, &form)
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return
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}
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ctx.ServerError("AddUserOpenID", err)
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return
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}
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// Auto-set admin for the only user.
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if models.CountUsers() == 1 {
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u.IsAdmin = true
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u.IsActive = true
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u.SetLastLogin()
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if err := models.UpdateUserCols(u, "is_admin", "is_active", "last_login_unix"); err != nil {
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ctx.ServerError("UpdateUser", err)
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return
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}
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}
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// Send confirmation email, no need for social account.
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if setting.Service.RegisterEmailConfirm && u.ID > 1 {
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models.SendActivateAccountMail(ctx.Context, u)
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ctx.Data["IsSendRegisterMail"] = true
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ctx.Data["Email"] = u.Email
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ctx.Data["ActiveCodeLives"] = base.MinutesToFriendly(setting.Service.ActiveCodeLives, ctx.Locale.Language())
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ctx.HTML(200, TplActivate)
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if err := ctx.Cache.Put("MailResendLimit_"+u.LowerName, u.LowerName, 180); err != nil {
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log.Error(4, "Set cache(MailResendLimit) fail: %v", err)
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}
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return
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}
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remember, _ := ctx.Session.Get("openid_signin_remember").(bool)
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log.Trace("Session stored openid-remember: %s", remember)
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handleSignIn(ctx, u, remember)
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}
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