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gitea/modules/context/auth.go

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4.1 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package context
import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"gitea.com/macaron/csrf"
"gitea.com/macaron/macaron"
)
// ToggleOptions contains required or check options
type ToggleOptions struct {
SignInRequired bool
SignOutRequired bool
AdminRequired bool
DisableCSRF bool
}
// Toggle returns toggle options as middleware
func Toggle(options *ToggleOptions) macaron.Handler {
return func(ctx *Context) {
// Cannot view any page before installation.
if !setting.InstallLock {
ctx.Redirect(setting.AppSubURL + "/install")
return
}
// Check prohibit login users.
if ctx.IsSigned {
if !ctx.User.IsActive && setting.Service.RegisterEmailConfirm {
ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
ctx.HTML(200, "user/auth/activate")
return
} else if !ctx.User.IsActive || ctx.User.ProhibitLogin {
log.Info("Failed authentication attempt for %s from %s", ctx.User.Name, ctx.RemoteAddr())
ctx.Data["Title"] = ctx.Tr("auth.prohibit_login")
ctx.HTML(200, "user/auth/prohibit_login")
return
}
if ctx.User.MustChangePassword {
if ctx.Req.URL.Path != "/user/settings/change_password" {
ctx.Data["Title"] = ctx.Tr("auth.must_change_password")
ctx.Data["ChangePasscodeLink"] = setting.AppSubURL + "/user/change_password"
ctx.SetCookie("redirect_to", setting.AppSubURL+ctx.Req.URL.RequestURI(), 0, setting.AppSubURL)
ctx.Redirect(setting.AppSubURL + "/user/settings/change_password")
return
}
} else if ctx.Req.URL.Path == "/user/settings/change_password" {
// make sure that the form cannot be accessed by users who don't need this
ctx.Redirect(setting.AppSubURL + "/")
return
}
}
// Redirect to dashboard if user tries to visit any non-login page.
if options.SignOutRequired && ctx.IsSigned && ctx.Req.URL.RequestURI() != "/" {
ctx.Redirect(setting.AppSubURL + "/")
return
}
if !options.SignOutRequired && !options.DisableCSRF && ctx.Req.Method == "POST" && !auth.IsAPIPath(ctx.Req.URL.Path) {
csrf.Validate(ctx.Context, ctx.csrf)
if ctx.Written() {
return
}
}
if options.SignInRequired {
if !ctx.IsSigned {
// Restrict API calls with error message.
if auth.IsAPIPath(ctx.Req.URL.Path) {
ctx.JSON(403, map[string]string{
"message": "Only signed in user is allowed to call APIs.",
})
return
}
ctx.SetCookie("redirect_to", setting.AppSubURL+ctx.Req.URL.RequestURI(), 0, setting.AppSubURL)
ctx.Redirect(setting.AppSubURL + "/user/login")
return
} else if !ctx.User.IsActive && setting.Service.RegisterEmailConfirm {
ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
ctx.HTML(200, "user/auth/activate")
return
}
if ctx.IsSigned && auth.IsAPIPath(ctx.Req.URL.Path) && ctx.IsBasicAuth {
twofa, err := models.GetTwoFactorByUID(ctx.User.ID)
if err != nil {
if models.IsErrTwoFactorNotEnrolled(err) {
return // No 2FA enrollment for this user
}
ctx.Error(500)
return
}
otpHeader := ctx.Req.Header.Get("X-Gitea-OTP")
ok, err := twofa.ValidateTOTP(otpHeader)
if err != nil {
ctx.Error(500)
return
}
if !ok {
ctx.JSON(403, map[string]string{
"message": "Only signed in user is allowed to call APIs.",
})
return
}
}
}
// Redirect to log in page if auto-signin info is provided and has not signed in.
if !options.SignOutRequired && !ctx.IsSigned && !auth.IsAPIPath(ctx.Req.URL.Path) &&
len(ctx.GetCookie(setting.CookieUserName)) > 0 {
ctx.SetCookie("redirect_to", setting.AppSubURL+ctx.Req.URL.RequestURI(), 0, setting.AppSubURL)
ctx.Redirect(setting.AppSubURL + "/user/login")
return
}
if options.AdminRequired {
if !ctx.User.IsAdmin {
ctx.Error(403)
return
}
ctx.Data["PageIsAdmin"] = true
}
}
}