mirror of https://github.com/go-gitea/gitea.git
258 lines
9.3 KiB
Go
258 lines
9.3 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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"net/url"
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"sort"
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"code.gitea.io/gitea/models"
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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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"github.com/markbates/goth/providers/bitbucket"
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"github.com/markbates/goth/providers/discord"
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"github.com/markbates/goth/providers/dropbox"
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"github.com/markbates/goth/providers/facebook"
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"github.com/markbates/goth/providers/gitea"
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"github.com/markbates/goth/providers/github"
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"github.com/markbates/goth/providers/gitlab"
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"github.com/markbates/goth/providers/google"
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"github.com/markbates/goth/providers/mastodon"
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"github.com/markbates/goth/providers/nextcloud"
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"github.com/markbates/goth/providers/openidConnect"
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"github.com/markbates/goth/providers/twitter"
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"github.com/markbates/goth/providers/yandex"
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)
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// Provider describes the display values of a single OAuth2 provider
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type Provider struct {
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Name string
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DisplayName string
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Image string
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CustomURLMapping *CustomURLMapping
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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 Providers = map[string]Provider{
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"bitbucket": {Name: "bitbucket", DisplayName: "Bitbucket", Image: "/assets/img/auth/bitbucket.png"},
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"dropbox": {Name: "dropbox", DisplayName: "Dropbox", Image: "/assets/img/auth/dropbox.png"},
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"facebook": {Name: "facebook", DisplayName: "Facebook", Image: "/assets/img/auth/facebook.png"},
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"github": {
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Name: "github", DisplayName: "GitHub", Image: "/assets/img/auth/github.png",
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CustomURLMapping: &CustomURLMapping{
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TokenURL: github.TokenURL,
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AuthURL: github.AuthURL,
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ProfileURL: github.ProfileURL,
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EmailURL: github.EmailURL,
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},
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},
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"gitlab": {
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Name: "gitlab", DisplayName: "GitLab", Image: "/assets/img/auth/gitlab.png",
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CustomURLMapping: &CustomURLMapping{
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TokenURL: gitlab.TokenURL,
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AuthURL: gitlab.AuthURL,
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ProfileURL: gitlab.ProfileURL,
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},
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},
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"gplus": {Name: "gplus", DisplayName: "Google", Image: "/assets/img/auth/google.png"},
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"openidConnect": {Name: "openidConnect", DisplayName: "OpenID Connect", Image: "/assets/img/auth/openid_connect.svg"},
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"twitter": {Name: "twitter", DisplayName: "Twitter", Image: "/assets/img/auth/twitter.png"},
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"discord": {Name: "discord", DisplayName: "Discord", Image: "/assets/img/auth/discord.png"},
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"gitea": {
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Name: "gitea", DisplayName: "Gitea", Image: "/assets/img/auth/gitea.png",
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CustomURLMapping: &CustomURLMapping{
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TokenURL: gitea.TokenURL,
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AuthURL: gitea.AuthURL,
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ProfileURL: gitea.ProfileURL,
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},
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},
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"nextcloud": {
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Name: "nextcloud", DisplayName: "Nextcloud", Image: "/assets/img/auth/nextcloud.png",
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CustomURLMapping: &CustomURLMapping{
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TokenURL: nextcloud.TokenURL,
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AuthURL: nextcloud.AuthURL,
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ProfileURL: nextcloud.ProfileURL,
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},
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},
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"yandex": {Name: "yandex", DisplayName: "Yandex", Image: "/assets/img/auth/yandex.png"},
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"mastodon": {
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Name: "mastodon", DisplayName: "Mastodon", Image: "/assets/img/auth/mastodon.png",
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CustomURLMapping: &CustomURLMapping{
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AuthURL: mastodon.InstanceURL,
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},
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},
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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 := models.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 := Providers[source.Cfg.(*Source).Provider]
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if source.Cfg.(*Source).IconURL != "" {
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prov.Image = 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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// RegisterProvider register a OAuth2 provider in goth lib
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func RegisterProvider(providerName, providerType, clientID, clientSecret, openIDConnectAutoDiscoveryURL string, customURLMapping *CustomURLMapping) error {
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provider, err := createProvider(providerName, providerType, clientID, clientSecret, openIDConnectAutoDiscoveryURL, customURLMapping)
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if err == nil && provider != nil {
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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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// RemoveProvider removes the given OAuth2 provider from the goth lib
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func RemoveProvider(providerName string) {
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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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goth.ClearProviders()
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}
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// used to create different types of goth providers
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func createProvider(providerName, providerType, clientID, clientSecret, openIDConnectAutoDiscoveryURL string, customURLMapping *CustomURLMapping) (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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switch providerType {
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case "bitbucket":
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provider = bitbucket.New(clientID, clientSecret, callbackURL, "account")
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case "dropbox":
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provider = dropbox.New(clientID, clientSecret, callbackURL)
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case "facebook":
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provider = facebook.New(clientID, clientSecret, callbackURL, "email")
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case "github":
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authURL := github.AuthURL
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tokenURL := github.TokenURL
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profileURL := github.ProfileURL
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emailURL := github.EmailURL
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if customURLMapping != nil {
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if len(customURLMapping.AuthURL) > 0 {
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authURL = customURLMapping.AuthURL
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}
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if len(customURLMapping.TokenURL) > 0 {
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tokenURL = customURLMapping.TokenURL
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}
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if len(customURLMapping.ProfileURL) > 0 {
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profileURL = customURLMapping.ProfileURL
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}
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if len(customURLMapping.EmailURL) > 0 {
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emailURL = customURLMapping.EmailURL
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}
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}
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scopes := []string{}
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if setting.OAuth2Client.EnableAutoRegistration {
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scopes = append(scopes, "user:email")
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}
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provider = github.NewCustomisedURL(clientID, clientSecret, callbackURL, authURL, tokenURL, profileURL, emailURL, scopes...)
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case "gitlab":
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authURL := gitlab.AuthURL
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tokenURL := gitlab.TokenURL
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profileURL := gitlab.ProfileURL
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if customURLMapping != nil {
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if len(customURLMapping.AuthURL) > 0 {
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authURL = customURLMapping.AuthURL
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}
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if len(customURLMapping.TokenURL) > 0 {
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tokenURL = customURLMapping.TokenURL
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}
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if len(customURLMapping.ProfileURL) > 0 {
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profileURL = customURLMapping.ProfileURL
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}
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}
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provider = gitlab.NewCustomisedURL(clientID, clientSecret, callbackURL, authURL, tokenURL, profileURL, "read_user")
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case "gplus": // named gplus due to legacy gplus -> google migration (Google killed Google+). This ensures old connections still work
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scopes := []string{"email"}
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if setting.OAuth2Client.UpdateAvatar || setting.OAuth2Client.EnableAutoRegistration {
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scopes = append(scopes, "profile")
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}
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provider = google.New(clientID, clientSecret, callbackURL, scopes...)
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case "openidConnect":
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if provider, err = openidConnect.New(clientID, clientSecret, callbackURL, openIDConnectAutoDiscoveryURL, setting.OAuth2Client.OpenIDConnectScopes...); err != nil {
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log.Warn("Failed to create OpenID Connect Provider with name '%s' with url '%s': %v", providerName, openIDConnectAutoDiscoveryURL, err)
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}
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case "twitter":
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provider = twitter.NewAuthenticate(clientID, clientSecret, callbackURL)
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case "discord":
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provider = discord.New(clientID, clientSecret, callbackURL, discord.ScopeIdentify, discord.ScopeEmail)
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case "gitea":
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authURL := gitea.AuthURL
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tokenURL := gitea.TokenURL
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profileURL := gitea.ProfileURL
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if customURLMapping != nil {
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if len(customURLMapping.AuthURL) > 0 {
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authURL = customURLMapping.AuthURL
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}
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if len(customURLMapping.TokenURL) > 0 {
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tokenURL = customURLMapping.TokenURL
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}
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if len(customURLMapping.ProfileURL) > 0 {
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profileURL = customURLMapping.ProfileURL
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}
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}
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provider = gitea.NewCustomisedURL(clientID, clientSecret, callbackURL, authURL, tokenURL, profileURL)
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case "nextcloud":
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authURL := nextcloud.AuthURL
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tokenURL := nextcloud.TokenURL
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profileURL := nextcloud.ProfileURL
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if customURLMapping != nil {
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if len(customURLMapping.AuthURL) > 0 {
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authURL = customURLMapping.AuthURL
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}
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if len(customURLMapping.TokenURL) > 0 {
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tokenURL = customURLMapping.TokenURL
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}
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if len(customURLMapping.ProfileURL) > 0 {
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profileURL = customURLMapping.ProfileURL
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}
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}
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provider = nextcloud.NewCustomisedURL(clientID, clientSecret, callbackURL, authURL, tokenURL, profileURL)
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case "yandex":
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// See https://tech.yandex.com/passport/doc/dg/reference/response-docpage/
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provider = yandex.New(clientID, clientSecret, callbackURL, "login:email", "login:info", "login:avatar")
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case "mastodon":
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instanceURL := mastodon.InstanceURL
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if customURLMapping != nil && len(customURLMapping.AuthURL) > 0 {
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instanceURL = customURLMapping.AuthURL
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}
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provider = mastodon.NewCustomisedURL(clientID, clientSecret, callbackURL, instanceURL)
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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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