gitea/models/oauth2.go
KN4CK3R 29695cd6d5
Add asymmetric JWT signing (#16010)
* Added asymmetric token signing.

* Load signing key from settings.

* Added optional kid parameter.

* Updated documentation.

* Add "kid" to token header.
2021-06-17 23:56:46 +02:00

176 lines
6.8 KiB
Go

// Copyright 2017 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 models
import (
"sort"
"code.gitea.io/gitea/modules/auth/oauth2"
"code.gitea.io/gitea/modules/log"
)
// OAuth2Provider describes the display values of a single OAuth2 provider
type OAuth2Provider struct {
Name string
DisplayName string
Image string
CustomURLMapping *oauth2.CustomURLMapping
}
// OAuth2Providers contains the map of registered OAuth2 providers in Gitea (based on goth)
// key is used to map the OAuth2Provider with the goth provider type (also in LoginSource.OAuth2Config.Provider)
// value is used to store display data
var OAuth2Providers = map[string]OAuth2Provider{
"bitbucket": {Name: "bitbucket", DisplayName: "Bitbucket", Image: "/assets/img/auth/bitbucket.png"},
"dropbox": {Name: "dropbox", DisplayName: "Dropbox", Image: "/assets/img/auth/dropbox.png"},
"facebook": {Name: "facebook", DisplayName: "Facebook", Image: "/assets/img/auth/facebook.png"},
"github": {
Name: "github", DisplayName: "GitHub", Image: "/assets/img/auth/github.png",
CustomURLMapping: &oauth2.CustomURLMapping{
TokenURL: oauth2.GetDefaultTokenURL("github"),
AuthURL: oauth2.GetDefaultAuthURL("github"),
ProfileURL: oauth2.GetDefaultProfileURL("github"),
EmailURL: oauth2.GetDefaultEmailURL("github"),
},
},
"gitlab": {
Name: "gitlab", DisplayName: "GitLab", Image: "/assets/img/auth/gitlab.png",
CustomURLMapping: &oauth2.CustomURLMapping{
TokenURL: oauth2.GetDefaultTokenURL("gitlab"),
AuthURL: oauth2.GetDefaultAuthURL("gitlab"),
ProfileURL: oauth2.GetDefaultProfileURL("gitlab"),
},
},
"gplus": {Name: "gplus", DisplayName: "Google", Image: "/assets/img/auth/google.png"},
"openidConnect": {Name: "openidConnect", DisplayName: "OpenID Connect", Image: "/assets/img/auth/openid_connect.svg"},
"twitter": {Name: "twitter", DisplayName: "Twitter", Image: "/assets/img/auth/twitter.png"},
"discord": {Name: "discord", DisplayName: "Discord", Image: "/assets/img/auth/discord.png"},
"gitea": {
Name: "gitea", DisplayName: "Gitea", Image: "/assets/img/auth/gitea.png",
CustomURLMapping: &oauth2.CustomURLMapping{
TokenURL: oauth2.GetDefaultTokenURL("gitea"),
AuthURL: oauth2.GetDefaultAuthURL("gitea"),
ProfileURL: oauth2.GetDefaultProfileURL("gitea"),
},
},
"nextcloud": {
Name: "nextcloud", DisplayName: "Nextcloud", Image: "/assets/img/auth/nextcloud.png",
CustomURLMapping: &oauth2.CustomURLMapping{
TokenURL: oauth2.GetDefaultTokenURL("nextcloud"),
AuthURL: oauth2.GetDefaultAuthURL("nextcloud"),
ProfileURL: oauth2.GetDefaultProfileURL("nextcloud"),
},
},
"yandex": {Name: "yandex", DisplayName: "Yandex", Image: "/assets/img/auth/yandex.png"},
"mastodon": {
Name: "mastodon", DisplayName: "Mastodon", Image: "/assets/img/auth/mastodon.png",
CustomURLMapping: &oauth2.CustomURLMapping{
AuthURL: oauth2.GetDefaultAuthURL("mastodon"),
},
},
}
// OAuth2DefaultCustomURLMappings contains the map of default URL's for OAuth2 providers that are allowed to have custom urls
// key is used to map the OAuth2Provider
// value is the mapping as defined for the OAuth2Provider
var OAuth2DefaultCustomURLMappings = map[string]*oauth2.CustomURLMapping{
"github": OAuth2Providers["github"].CustomURLMapping,
"gitlab": OAuth2Providers["gitlab"].CustomURLMapping,
"gitea": OAuth2Providers["gitea"].CustomURLMapping,
"nextcloud": OAuth2Providers["nextcloud"].CustomURLMapping,
"mastodon": OAuth2Providers["mastodon"].CustomURLMapping,
}
// GetActiveOAuth2ProviderLoginSources returns all actived LoginOAuth2 sources
func GetActiveOAuth2ProviderLoginSources() ([]*LoginSource, error) {
sources := make([]*LoginSource, 0, 1)
if err := x.Where("is_actived = ? and type = ?", true, LoginOAuth2).Find(&sources); err != nil {
return nil, err
}
return sources, nil
}
// GetActiveOAuth2LoginSourceByName returns a OAuth2 LoginSource based on the given name
func GetActiveOAuth2LoginSourceByName(name string) (*LoginSource, error) {
loginSource := new(LoginSource)
has, err := x.Where("name = ? and type = ? and is_actived = ?", name, LoginOAuth2, true).Get(loginSource)
if !has || err != nil {
return nil, err
}
return loginSource, nil
}
// GetActiveOAuth2Providers returns the map of configured active OAuth2 providers
// key is used as technical name (like in the callbackURL)
// values to display
func GetActiveOAuth2Providers() ([]string, map[string]OAuth2Provider, error) {
// Maybe also separate used and unused providers so we can force the registration of only 1 active provider for each type
loginSources, err := GetActiveOAuth2ProviderLoginSources()
if err != nil {
return nil, nil, err
}
var orderedKeys []string
providers := make(map[string]OAuth2Provider)
for _, source := range loginSources {
prov := OAuth2Providers[source.OAuth2().Provider]
if source.OAuth2().IconURL != "" {
prov.Image = source.OAuth2().IconURL
}
providers[source.Name] = prov
orderedKeys = append(orderedKeys, source.Name)
}
sort.Strings(orderedKeys)
return orderedKeys, providers, nil
}
// InitOAuth2 initialize the OAuth2 lib and register all active OAuth2 providers in the library
func InitOAuth2() error {
if err := oauth2.InitSigningKey(); err != nil {
return err
}
if err := oauth2.Init(x); err != nil {
return err
}
return initOAuth2LoginSources()
}
// ResetOAuth2 clears existing OAuth2 providers and loads them from DB
func ResetOAuth2() error {
oauth2.ClearProviders()
return initOAuth2LoginSources()
}
// initOAuth2LoginSources is used to load and register all active OAuth2 providers
func initOAuth2LoginSources() error {
loginSources, _ := GetActiveOAuth2ProviderLoginSources()
for _, source := range loginSources {
oAuth2Config := source.OAuth2()
err := oauth2.RegisterProvider(source.Name, oAuth2Config.Provider, oAuth2Config.ClientID, oAuth2Config.ClientSecret, oAuth2Config.OpenIDConnectAutoDiscoveryURL, oAuth2Config.CustomURLMapping)
if err != nil {
log.Critical("Unable to register source: %s due to Error: %v. This source will be disabled.", source.Name, err)
source.IsActived = false
if err = UpdateSource(source); err != nil {
log.Critical("Unable to update source %s to disable it. Error: %v", err)
return err
}
}
}
return nil
}
// wrapOpenIDConnectInitializeError is used to wrap the error but this cannot be done in modules/auth/oauth2
// inside oauth2: import cycle not allowed models -> modules/auth/oauth2 -> models
func wrapOpenIDConnectInitializeError(err error, providerName string, oAuth2Config *OAuth2Config) error {
if err != nil && "openidConnect" == oAuth2Config.Provider {
err = ErrOpenIDConnectInitialize{ProviderName: providerName, OpenIDConnectAutoDiscoveryURL: oAuth2Config.OpenIDConnectAutoDiscoveryURL, Cause: err}
}
return err
}