MaysWind
105 lines
3.5 KiB
Go
105 lines
3.5 KiB
Go
package common
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import (
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"io"
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"net/http"
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"golang.org/x/oauth2"
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"github.com/mayswind/ezbookkeeping/pkg/auth/oauth2/data"
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"github.com/mayswind/ezbookkeeping/pkg/auth/oauth2/provider"
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"github.com/mayswind/ezbookkeeping/pkg/core"
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"github.com/mayswind/ezbookkeeping/pkg/errs"
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"github.com/mayswind/ezbookkeeping/pkg/log"
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"github.com/mayswind/ezbookkeeping/pkg/settings"
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)
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// CommonOAuth2Provider represents common OAuth 2.0 provider
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type CommonOAuth2Provider struct {
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provider.OAuth2Provider
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oauth2Config *oauth2.Config
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dataSource CommonOAuth2DataSource
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}
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// CommonOAuth2DataSource defines the structure of OAuth 2.0 data source
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type CommonOAuth2DataSource interface {
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// GetAuthUrl returns the authentication url of the data source
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GetAuthUrl() string
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// GetTokenUrl returns the token url of the data source
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GetTokenUrl() string
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// GetUserInfoRequest returns the user info request of the data source
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GetUserInfoRequest() (*http.Request, error)
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// GetScopes returns the scopes required by the data source
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GetScopes() []string
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// ParseUserInfo returns the user info by parsing the response body
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ParseUserInfo(c core.Context, body []byte) (*data.OAuth2UserInfo, error)
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}
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// GetOAuth2AuthUrl returns the authentication url of the common OAuth 2.0 provider
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func (p *CommonOAuth2Provider) GetOAuth2AuthUrl(c core.Context, state string, challenge string) (string, error) {
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return p.oauth2Config.AuthCodeURL(state), nil
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}
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// GetOAuth2Token returns the OAuth 2.0 token of the common OAuth 2.0 provider
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func (p *CommonOAuth2Provider) GetOAuth2Token(c core.Context, code string, verifier string) (*oauth2.Token, error) {
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return p.oauth2Config.Exchange(c, code)
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}
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// GetUserInfo returns the user info by the common OAuth 2.0 provider
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func (p *CommonOAuth2Provider) GetUserInfo(c core.Context, oauth2Token *oauth2.Token) (*data.OAuth2UserInfo, error) {
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req, err := p.dataSource.GetUserInfoRequest()
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if err != nil {
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log.Errorf(c, "[common_oauth2_provider.GetUserInfo] failed to get user info request, because %s", err.Error())
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return nil, errs.ErrFailedToRequestRemoteApi
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}
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oauth2Client := oauth2.NewClient(c, oauth2.StaticTokenSource(oauth2Token))
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resp, err := oauth2Client.Do(req)
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if err != nil {
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log.Errorf(c, "[common_oauth2_provider.GetUserInfo] failed to get user info response, because %s", err.Error())
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return nil, errs.ErrFailedToRequestRemoteApi
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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log.Debugf(c, "[common_oauth2_provider.GetUserInfo] response is %s", body)
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if resp.StatusCode != 200 {
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log.Errorf(c, "[common_oauth2_provider.GetUserInfo] failed to get user info response, because response code is %d", resp.StatusCode)
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return nil, errs.ErrFailedToRequestRemoteApi
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}
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return p.dataSource.ParseUserInfo(c, body)
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}
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// GetDataSource returns the data source of the common OAuth 2.0 provider
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func (p *CommonOAuth2Provider) GetDataSource() CommonOAuth2DataSource {
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return p.dataSource
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}
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// NewCommonOAuth2Provider returns a new common OAuth 2.0 provider
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func NewCommonOAuth2Provider(config *settings.Config, redirectUrl string, dataSource CommonOAuth2DataSource) *CommonOAuth2Provider {
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oauth2Config := &oauth2.Config{
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ClientID: config.OAuth2ClientID,
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ClientSecret: config.OAuth2ClientSecret,
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Endpoint: oauth2.Endpoint{
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AuthURL: dataSource.GetAuthUrl(),
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TokenURL: dataSource.GetTokenUrl(),
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},
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RedirectURL: redirectUrl,
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Scopes: dataSource.GetScopes(),
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}
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return &CommonOAuth2Provider{
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oauth2Config: oauth2Config,
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dataSource: dataSource,
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}
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}
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