diff --git a/Gopkg.lock b/Gopkg.lock index 38573b671..ba34397df 100644 --- a/Gopkg.lock +++ b/Gopkg.lock @@ -430,6 +430,7 @@ ".", "gothic", "providers/bitbucket", + "providers/discord", "providers/dropbox", "providers/facebook", "providers/github", diff --git a/models/oauth2.go b/models/oauth2.go index 0640471a4..10bce3192 100644 --- a/models/oauth2.go +++ b/models/oauth2.go @@ -43,6 +43,7 @@ var OAuth2Providers = map[string]OAuth2Provider{ "gplus": {Name: "gplus", DisplayName: "Google+", Image: "/img/auth/google_plus.png"}, "openidConnect": {Name: "openidConnect", DisplayName: "OpenID Connect", Image: "/img/auth/openid_connect.png"}, "twitter": {Name: "twitter", DisplayName: "Twitter", Image: "/img/auth/twitter.png"}, + "discord": {Name: "discord", DisplayName: "Discord", Image: "/img/auth/discord.png"}, } // OAuth2DefaultCustomURLMappings contains the map of default URL's for OAuth2 providers that are allowed to have custom urls diff --git a/modules/auth/oauth2/oauth2.go b/modules/auth/oauth2/oauth2.go index de125c619..5684f44a8 100644 --- a/modules/auth/oauth2/oauth2.go +++ b/modules/auth/oauth2/oauth2.go @@ -16,6 +16,7 @@ import ( "github.com/markbates/goth" "github.com/markbates/goth/gothic" "github.com/markbates/goth/providers/bitbucket" + "github.com/markbates/goth/providers/discord" "github.com/markbates/goth/providers/dropbox" "github.com/markbates/goth/providers/facebook" "github.com/markbates/goth/providers/github" @@ -172,6 +173,8 @@ func createProvider(providerName, providerType, clientID, clientSecret, openIDCo } case "twitter": provider = twitter.NewAuthenticate(clientID, clientSecret, callbackURL) + case "discord": + provider = discord.New(clientID, clientSecret, callbackURL, discord.ScopeIdentify, discord.ScopeEmail) } // always set the name if provider is created so we can support multiple setups of 1 provider diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini index 629d84e05..4de7611aa 100644 --- a/options/locale/locale_en-US.ini +++ b/options/locale/locale_en-US.ini @@ -1457,6 +1457,7 @@ auths.tip.gitlab = Register a new application on https://gitlab.com/profile/appl auths.tip.google_plus = Obtain OAuth2 client credentials from the Google API console at https://console.developers.google.com/ auths.tip.openid_connect = Use the OpenID Connect Discovery URL (/.well-known/openid-configuration) to specify the endpoints auths.tip.twitter = Go to https://dev.twitter.com/apps, create an application and ensure that the “Allow this application to be used to Sign in with Twitter” option is enabled +auths.tip.discord = Register a new application on https://discordapp.com/developers/applications/me auths.edit = Edit Authentication Source auths.activated = This Authentication Source is Activated auths.new_success = The authentication '%s' has been added. diff --git a/public/img/auth/discord.png b/public/img/auth/discord.png new file mode 100644 index 000000000..db0e70d5d Binary files /dev/null and b/public/img/auth/discord.png differ diff --git a/templates/admin/auth/new.tmpl b/templates/admin/auth/new.tmpl index 46db82c3a..91d3cde30 100644 --- a/templates/admin/auth/new.tmpl +++ b/templates/admin/auth/new.tmpl @@ -108,6 +108,8 @@ {{.i18n.Tr "admin.auths.tip.openid_connect"}}
  • Twitter
    • {{.i18n.Tr "admin.auths.tip.twitter"}} +
  • Discord
    • + {{.i18n.Tr "admin.auths.tip.discord"}} diff --git a/vendor/github.com/markbates/goth/providers/discord/discord.go b/vendor/github.com/markbates/goth/providers/discord/discord.go new file mode 100644 index 000000000..e26bb67d6 --- /dev/null +++ b/vendor/github.com/markbates/goth/providers/discord/discord.go @@ -0,0 +1,210 @@ +// Package discord implements the OAuth2 protocol for authenticating users through Discord. +// This package can be used as a reference implementation of an OAuth2 provider for Discord. +package discord + +import ( + "bytes" + "encoding/json" + "io" + "io/ioutil" + + "github.com/markbates/goth" + "golang.org/x/oauth2" + + "fmt" + "net/http" +) + +const ( + authURL string = "https://discordapp.com/api/oauth2/authorize" + tokenURL string = "https://discordapp.com/api/oauth2/token" + userEndpoint string = "https://discordapp.com/api/users/@me" +) + +const ( + // allows /users/@me without email + ScopeIdentify string = "identify" + // enables /users/@me to return an email + ScopeEmail string = "email" + // allows /users/@me/connections to return linked Twitch and YouTube accounts + ScopeConnections string = "connections" + // allows /users/@me/guilds to return basic information about all of a user's guilds + ScopeGuilds string = "guilds" + // allows /invites/{invite.id} to be used for joining a user's guild + ScopeJoinGuild string = "guilds.join" + // allows your app to join users to a group dm + ScopeGroupDMjoin string = "gdm.join" + // for oauth2 bots, this puts the bot in the user's selected guild by default + ScopeBot string = "bot" + // this generates a webhook that is returned in the oauth token response for authorization code grants + ScopeWebhook string = "webhook.incoming" +) + +// New creates a new Discord provider, and sets up important connection details. +// You should always call `discord.New` to get a new Provider. Never try to create +// one manually. +func New(clientKey string, secret string, callbackURL string, scopes ...string) *Provider { + p := &Provider{ + ClientKey: clientKey, + Secret: secret, + CallbackURL: callbackURL, + providerName: "discord", + } + p.config = newConfig(p, scopes) + return p +} + +// Provider is the implementation of `goth.Provider` for accessing Discord +type Provider struct { + ClientKey string + Secret string + CallbackURL string + HTTPClient *http.Client + config *oauth2.Config + providerName string +} + +// Name gets the name used to retrieve this provider. +func (p *Provider) Name() string { + return p.providerName +} + +// SetName is to update the name of the provider (needed in case of multiple providers of 1 type) +func (p *Provider) SetName(name string) { + p.providerName = name +} + +func (p *Provider) Client() *http.Client { + return goth.HTTPClientWithFallBack(p.HTTPClient) +} + +// Debug is no-op for the Discord package. +func (p *Provider) Debug(debug bool) {} + +// BeginAuth asks Discord for an authentication end-point. +func (p *Provider) BeginAuth(state string) (goth.Session, error) { + + url := p.config.AuthCodeURL(state, oauth2.AccessTypeOnline) + + s := &Session{ + AuthURL: url, + } + return s, nil +} + +// FetchUser will go to Discord and access basic info about the user. +func (p *Provider) FetchUser(session goth.Session) (goth.User, error) { + + s := session.(*Session) + + user := goth.User{ + AccessToken: s.AccessToken, + Provider: p.Name(), + RefreshToken: s.RefreshToken, + ExpiresAt: s.ExpiresAt, + } + + if user.AccessToken == "" { + // data is not yet retrieved since accessToken is still empty + return user, fmt.Errorf("%s cannot get user information without accessToken", p.providerName) + } + + req, err := http.NewRequest("GET", userEndpoint, nil) + if err != nil { + return user, err + } + req.Header.Set("Accept", "application/json") + req.Header.Set("Authorization", "Bearer "+s.AccessToken) + resp, err := p.Client().Do(req) + if err != nil { + if resp != nil { + resp.Body.Close() + } + return user, err + } + defer resp.Body.Close() + + if resp.StatusCode != http.StatusOK { + return user, fmt.Errorf("%s responded with a %d trying to fetch user information", p.providerName, resp.StatusCode) + } + + bits, err := ioutil.ReadAll(resp.Body) + if err != nil { + return user, err + } + + err = json.NewDecoder(bytes.NewReader(bits)).Decode(&user.RawData) + if err != nil { + return user, err + } + + err = userFromReader(bytes.NewReader(bits), &user) + if err != nil { + return user, err + } + + return user, err +} + +func userFromReader(r io.Reader, user *goth.User) error { + u := struct { + Name string `json:"username"` + Email string `json:"email"` + AvatarID string `json:"avatar"` + MFAEnabled bool `json:"mfa_enabled"` + Discriminator string `json:"discriminator"` + Verified bool `json:"verified"` + ID string `json:"id"` + }{} + + err := json.NewDecoder(r).Decode(&u) + if err != nil { + return err + } + + user.Name = u.Name + user.Email = u.Email + user.AvatarURL = "https://discordapp.com/api/users/" + u.ID + "/avatars/" + u.AvatarID + ".jpg" + user.UserID = u.ID + + return nil +} + +func newConfig(p *Provider, scopes []string) *oauth2.Config { + c := &oauth2.Config{ + ClientID: p.ClientKey, + ClientSecret: p.Secret, + RedirectURL: p.CallbackURL, + Endpoint: oauth2.Endpoint{ + AuthURL: authURL, + TokenURL: tokenURL, + }, + Scopes: []string{}, + } + + if len(scopes) > 0 { + for _, scope := range scopes { + c.Scopes = append(c.Scopes, scope) + } + } else { + c.Scopes = []string{ScopeIdentify} + } + + return c +} + +//RefreshTokenAvailable refresh token is provided by auth provider or not +func (p *Provider) RefreshTokenAvailable() bool { + return true +} + +//RefreshToken get new access token based on the refresh token +func (p *Provider) RefreshToken(refreshToken string) (*oauth2.Token, error) { + token := &oauth2.Token{RefreshToken: refreshToken} + ts := p.config.TokenSource(oauth2.NoContext, token) + newToken, err := ts.Token() + if err != nil { + return nil, err + } + return newToken, err +} diff --git a/vendor/github.com/markbates/goth/providers/discord/session.go b/vendor/github.com/markbates/goth/providers/discord/session.go new file mode 100644 index 000000000..b3078f09a --- /dev/null +++ b/vendor/github.com/markbates/goth/providers/discord/session.go @@ -0,0 +1,65 @@ +package discord + +import ( + "encoding/json" + "errors" + "github.com/markbates/goth" + "golang.org/x/oauth2" + "strings" + "time" +) + +// Session stores data during the auth process with Discord +type Session struct { + AuthURL string + AccessToken string + RefreshToken string + ExpiresAt time.Time +} + +// GetAuthURL will return the URL set by calling the `BeginAuth` function on +// the Discord provider. +func (s Session) GetAuthURL() (string, error) { + if s.AuthURL == "" { + return "", errors.New(goth.NoAuthUrlErrorMessage) + } + return s.AuthURL, nil +} + +// Authorize completes the authorization with Discord and returns the access +// token to be stored for future use. +func (s *Session) Authorize(provider goth.Provider, params goth.Params) (string, error) { + p := provider.(*Provider) + token, err := p.config.Exchange(oauth2.NoContext, params.Get("code")) + if err != nil { + return "", err + } + + if !token.Valid() { + return "", errors.New("Invalid token received from provider") + } + + s.AccessToken = token.AccessToken + s.RefreshToken = token.RefreshToken + s.ExpiresAt = token.Expiry + return token.AccessToken, err +} + +// Marshal marshals a session into a JSON string. +func (s Session) Marshal() string { + j, _ := json.Marshal(s) + return string(j) +} + +// String is equivalent to Marshal. It returns a JSON representation of the +// of the session. +func (s Session) String() string { + return s.Marshal() +} + +// UnmarshalSession will unmarshal a JSON string into a session. +func (p *Provider) UnmarshalSession(data string) (goth.Session, error) { + s := &Session{} + err := json.NewDecoder(strings.NewReader(data)).Decode(s) + return s, err +}