mirror of
https://github.com/pocketbase/pocketbase.git
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101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
package auth
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import (
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"context"
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"encoding/json"
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"errors"
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"net/http"
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"github.com/pocketbase/pocketbase/tools/types"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/twitch"
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)
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func init() {
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Providers[NameTwitch] = wrapFactory(NewTwitchProvider)
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}
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var _ Provider = (*Twitch)(nil)
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// NameTwitch is the unique name of the Twitch provider.
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const NameTwitch string = "twitch"
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// Twitch allows authentication via Twitch OAuth2.
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type Twitch struct {
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BaseProvider
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}
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// NewTwitchProvider creates new Twitch provider instance with some defaults.
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func NewTwitchProvider() *Twitch {
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return &Twitch{BaseProvider{
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ctx: context.Background(),
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displayName: "Twitch",
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pkce: true,
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scopes: []string{"user:read:email"},
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authURL: twitch.Endpoint.AuthURL,
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tokenURL: twitch.Endpoint.TokenURL,
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userInfoURL: "https://api.twitch.tv/helix/users",
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}}
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}
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// FetchAuthUser returns an AuthUser instance based the Twitch's user api.
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//
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// API reference: https://dev.twitch.tv/docs/api/reference#get-users
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func (p *Twitch) FetchAuthUser(token *oauth2.Token) (*AuthUser, error) {
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data, err := p.FetchRawUserInfo(token)
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if err != nil {
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return nil, err
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}
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rawUser := map[string]any{}
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if err := json.Unmarshal(data, &rawUser); err != nil {
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return nil, err
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}
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extracted := struct {
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Data []struct {
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Id string `json:"id"`
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Login string `json:"login"`
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DisplayName string `json:"display_name"`
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Email string `json:"email"`
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ProfileImageURL string `json:"profile_image_url"`
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} `json:"data"`
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}{}
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if err := json.Unmarshal(data, &extracted); err != nil {
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return nil, err
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}
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if len(extracted.Data) == 0 {
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return nil, errors.New("Failed to fetch AuthUser data")
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}
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user := &AuthUser{
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Id: extracted.Data[0].Id,
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Name: extracted.Data[0].DisplayName,
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Username: extracted.Data[0].Login,
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Email: extracted.Data[0].Email,
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AvatarURL: extracted.Data[0].ProfileImageURL,
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RawUser: rawUser,
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AccessToken: token.AccessToken,
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RefreshToken: token.RefreshToken,
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}
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user.Expiry, _ = types.ParseDateTime(token.Expiry)
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return user, nil
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}
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// FetchRawUserInfo implements Provider.FetchRawUserInfo interface method.
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//
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// This differ from BaseProvider because Twitch requires the Client-Id header.
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func (p *Twitch) FetchRawUserInfo(token *oauth2.Token) ([]byte, error) {
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req, err := http.NewRequestWithContext(p.ctx, "GET", p.userInfoURL, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("Client-Id", p.clientId)
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return p.sendRawUserInfoRequest(req, token)
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}
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