mirror of
https://github.com/go-gitea/gitea
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* Move user related model into models/user * Fix lint for windows * Fix windows lint * Fix windows lint * Move some tests in models * Merge
171 lines
4.7 KiB
Go
171 lines
4.7 KiB
Go
// Copyright 2021 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 oauth2
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import (
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"errors"
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"net/url"
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"sort"
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"code.gitea.io/gitea/models/login"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"github.com/markbates/goth"
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)
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// Provider is an interface for describing a single OAuth2 provider
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type Provider interface {
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Name() string
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DisplayName() string
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Image() string
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CustomURLSettings() *CustomURLSettings
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}
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// GothProviderCreator provides a function to create a goth.Provider
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type GothProviderCreator interface {
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CreateGothProvider(providerName, callbackURL string, source *Source) (goth.Provider, error)
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}
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// GothProvider is an interface for describing a single OAuth2 provider
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type GothProvider interface {
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Provider
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GothProviderCreator
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}
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// ImagedProvider provide an overrided image setting for the provider
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type ImagedProvider struct {
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GothProvider
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image string
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}
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// Image returns the image path for this provider
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func (i *ImagedProvider) Image() string {
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return i.image
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}
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// NewImagedProvider is a constructor function for the ImagedProvider
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func NewImagedProvider(image string, provider GothProvider) *ImagedProvider {
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return &ImagedProvider{
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GothProvider: provider,
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image: image,
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}
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}
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// Providers contains the map of registered OAuth2 providers in Gitea (based on goth)
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// key is used to map the OAuth2Provider with the goth provider type (also in LoginSource.OAuth2Config.Provider)
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// value is used to store display data
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var gothProviders = map[string]GothProvider{}
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// RegisterGothProvider registers a GothProvider
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func RegisterGothProvider(provider GothProvider) {
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if _, has := gothProviders[provider.Name()]; has {
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log.Fatal("Duplicate oauth2provider type provided: %s", provider.Name())
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}
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gothProviders[provider.Name()] = provider
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}
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// GetOAuth2Providers returns the map of unconfigured OAuth2 providers
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// key is used as technical name (like in the callbackURL)
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// values to display
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func GetOAuth2Providers() []Provider {
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providers := make([]Provider, 0, len(gothProviders))
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for _, provider := range gothProviders {
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providers = append(providers, provider)
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}
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sort.Slice(providers, func(i, j int) bool {
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return providers[i].Name() < providers[j].Name()
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})
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return providers
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}
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// GetActiveOAuth2Providers returns the map of configured active OAuth2 providers
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// key is used as technical name (like in the callbackURL)
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// values to display
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func GetActiveOAuth2Providers() ([]string, map[string]Provider, error) {
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// Maybe also separate used and unused providers so we can force the registration of only 1 active provider for each type
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loginSources, err := login.GetActiveOAuth2ProviderLoginSources()
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if err != nil {
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return nil, nil, err
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}
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var orderedKeys []string
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providers := make(map[string]Provider)
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for _, source := range loginSources {
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prov := gothProviders[source.Cfg.(*Source).Provider]
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if source.Cfg.(*Source).IconURL != "" {
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prov = &ImagedProvider{prov, source.Cfg.(*Source).IconURL}
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}
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providers[source.Name] = prov
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orderedKeys = append(orderedKeys, source.Name)
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}
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sort.Strings(orderedKeys)
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return orderedKeys, providers, nil
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}
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// RegisterProviderWithGothic register a OAuth2 provider in goth lib
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func RegisterProviderWithGothic(providerName string, source *Source) error {
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provider, err := createProvider(providerName, source)
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if err == nil && provider != nil {
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gothRWMutex.Lock()
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defer gothRWMutex.Unlock()
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goth.UseProviders(provider)
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}
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return err
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}
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// RemoveProviderFromGothic removes the given OAuth2 provider from the goth lib
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func RemoveProviderFromGothic(providerName string) {
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gothRWMutex.Lock()
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defer gothRWMutex.Unlock()
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delete(goth.GetProviders(), providerName)
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}
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// ClearProviders clears all OAuth2 providers from the goth lib
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func ClearProviders() {
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gothRWMutex.Lock()
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defer gothRWMutex.Unlock()
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goth.ClearProviders()
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}
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var (
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// ErrLoginSourceNotActived login source is not actived error
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ErrLoginSourceNotActived = errors.New("Login source is not actived")
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)
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// used to create different types of goth providers
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func createProvider(providerName string, source *Source) (goth.Provider, error) {
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callbackURL := setting.AppURL + "user/oauth2/" + url.PathEscape(providerName) + "/callback"
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var provider goth.Provider
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var err error
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p, ok := gothProviders[source.Provider]
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if !ok {
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return nil, ErrLoginSourceNotActived
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}
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provider, err = p.CreateGothProvider(providerName, callbackURL, source)
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if err != nil {
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return provider, err
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}
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// always set the name if provider is created so we can support multiple setups of 1 provider
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if err == nil && provider != nil {
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provider.SetName(providerName)
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}
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return provider, err
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}
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