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Add the same auth check and middlewares as the /v1/ API. It require to export some variable from /v1 API, i am not sure if is the correct way to do Co-authored-by: oliverpool <git@olivier.pfad.fr> Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/2582 Reviewed-by: oliverpool <oliverpool@noreply.codeberg.org> Reviewed-by: Gusted <gusted@noreply.codeberg.org> Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org> Co-authored-by: Ada <ada@gnous.eu> Co-committed-by: Ada <ada@gnous.eu>
152 lines
4.8 KiB
Go
152 lines
4.8 KiB
Go
// Copyright 2024 The Forgejo Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package shared
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import (
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"net/http"
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auth_model "code.gitea.io/gitea/models/auth"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/routers/common"
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"code.gitea.io/gitea/services/auth"
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"code.gitea.io/gitea/services/context"
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"github.com/go-chi/cors"
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)
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func Middlewares() (stack []any) {
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stack = append(stack, securityHeaders())
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if setting.CORSConfig.Enabled {
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stack = append(stack, cors.Handler(cors.Options{
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AllowedOrigins: setting.CORSConfig.AllowDomain,
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AllowedMethods: setting.CORSConfig.Methods,
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AllowCredentials: setting.CORSConfig.AllowCredentials,
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AllowedHeaders: append([]string{"Authorization", "X-Gitea-OTP", "X-Forgejo-OTP"}, setting.CORSConfig.Headers...),
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MaxAge: int(setting.CORSConfig.MaxAge.Seconds()),
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}))
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}
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return append(stack,
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context.APIContexter(),
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checkDeprecatedAuthMethods,
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// Get user from session if logged in.
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apiAuth(buildAuthGroup()),
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verifyAuthWithOptions(&common.VerifyOptions{
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SignInRequired: setting.Service.RequireSignInView,
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}),
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)
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}
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func buildAuthGroup() *auth.Group {
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group := auth.NewGroup(
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&auth.OAuth2{},
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&auth.HTTPSign{},
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&auth.Basic{}, // FIXME: this should be removed once we don't allow basic auth in API
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)
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if setting.Service.EnableReverseProxyAuthAPI {
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group.Add(&auth.ReverseProxy{})
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}
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if setting.IsWindows && auth_model.IsSSPIEnabled(db.DefaultContext) {
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group.Add(&auth.SSPI{}) // it MUST be the last, see the comment of SSPI
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}
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return group
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}
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func apiAuth(authMethod auth.Method) func(*context.APIContext) {
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return func(ctx *context.APIContext) {
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ar, err := common.AuthShared(ctx.Base, nil, authMethod)
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if err != nil {
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ctx.Error(http.StatusUnauthorized, "APIAuth", err)
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return
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}
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ctx.Doer = ar.Doer
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ctx.IsSigned = ar.Doer != nil
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ctx.IsBasicAuth = ar.IsBasicAuth
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}
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}
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// verifyAuthWithOptions checks authentication according to options
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func verifyAuthWithOptions(options *common.VerifyOptions) func(ctx *context.APIContext) {
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return func(ctx *context.APIContext) {
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// Check prohibit login users.
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if ctx.IsSigned {
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if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
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ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "This account is not activated.",
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})
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return
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}
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if !ctx.Doer.IsActive || ctx.Doer.ProhibitLogin {
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log.Info("Failed authentication attempt for %s from %s", ctx.Doer.Name, ctx.RemoteAddr())
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ctx.Data["Title"] = ctx.Tr("auth.prohibit_login")
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "This account is prohibited from signing in, please contact your site administrator.",
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})
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return
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}
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if ctx.Doer.MustChangePassword {
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "You must change your password. Change it at: " + setting.AppURL + "/user/change_password",
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})
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return
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}
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}
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// Redirect to dashboard if user tries to visit any non-login page.
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if options.SignOutRequired && ctx.IsSigned && ctx.Req.URL.RequestURI() != "/" {
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ctx.Redirect(setting.AppSubURL + "/")
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return
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}
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if options.SignInRequired {
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if !ctx.IsSigned {
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// Restrict API calls with error message.
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "Only signed in user is allowed to call APIs.",
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})
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return
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} else if !ctx.Doer.IsActive && setting.Service.RegisterEmailConfirm {
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ctx.Data["Title"] = ctx.Tr("auth.active_your_account")
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "This account is not activated.",
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})
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return
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}
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}
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if options.AdminRequired {
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if !ctx.Doer.IsAdmin {
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ctx.JSON(http.StatusForbidden, map[string]string{
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"message": "You have no permission to request for this.",
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})
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return
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}
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}
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}
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}
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// check for and warn against deprecated authentication options
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func checkDeprecatedAuthMethods(ctx *context.APIContext) {
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if ctx.FormString("token") != "" || ctx.FormString("access_token") != "" {
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ctx.Resp.Header().Set("Warning", "token and access_token API authentication is deprecated and will be removed in gitea 1.23. Please use AuthorizationHeaderToken instead. Existing queries will continue to work but without authorization.")
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}
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}
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func securityHeaders() func(http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
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// CORB: https://www.chromium.org/Home/chromium-security/corb-for-developers
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// http://stackoverflow.com/a/3146618/244009
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resp.Header().Set("x-content-type-options", "nosniff")
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next.ServeHTTP(resp, req)
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})
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}
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}
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