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91 lines
2.3 KiB
91 lines
2.3 KiB
package writefreely
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import (
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"context"
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"net/http"
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"net/url"
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"strings"
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)
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type writeAsOauthClient struct {
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ClientID string
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ClientSecret string
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AuthLocation string
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ExchangeLocation string
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InspectLocation string
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CallbackLocation string
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HttpClient HttpClient
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}
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var _ oauthClient = writeAsOauthClient{}
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func (c writeAsOauthClient) GetProvider() string {
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return "write.as"
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}
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func (c writeAsOauthClient) GetClientID() string {
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return c.ClientID
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}
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func (c writeAsOauthClient) buildLoginURL(state string) (string, error) {
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u, err := url.Parse(c.AuthLocation)
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if err != nil {
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return "", err
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}
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q := u.Query()
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q.Set("client_id", c.ClientID)
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q.Set("redirect_uri", c.CallbackLocation)
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q.Set("response_type", "code")
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q.Set("state", state)
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u.RawQuery = q.Encode()
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return u.String(), nil
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}
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func (c writeAsOauthClient) exchangeOauthCode(ctx context.Context, code string) (*TokenResponse, error) {
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form := url.Values{}
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form.Add("grant_type", "authorization_code")
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form.Add("redirect_uri", c.CallbackLocation)
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form.Add("code", code)
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req, err := http.NewRequest("POST", c.ExchangeLocation, strings.NewReader(form.Encode()))
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if err != nil {
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return nil, err
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}
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req.WithContext(ctx)
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req.Header.Set("User-Agent", "writefreely")
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req.Header.Set("Accept", "application/json")
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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req.SetBasicAuth(c.ClientID, c.ClientSecret)
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resp, err := c.HttpClient.Do(req)
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if err != nil {
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return nil, err
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}
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var tokenResponse TokenResponse
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if err := limitedJsonUnmarshal(resp.Body, tokenRequestMaxLen, &tokenResponse); err != nil {
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return nil, err
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}
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return &tokenResponse, nil
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}
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func (c writeAsOauthClient) inspectOauthAccessToken(ctx context.Context, accessToken string) (*InspectResponse, error) {
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req, err := http.NewRequest("GET", c.InspectLocation, nil)
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if err != nil {
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return nil, err
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}
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req.WithContext(ctx)
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req.Header.Set("User-Agent", "writefreely")
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req.Header.Set("Accept", "application/json")
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req.Header.Set("Authorization", "Bearer "+accessToken)
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resp, err := c.HttpClient.Do(req)
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if err != nil {
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return nil, err
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}
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var inspectResponse InspectResponse
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if err := limitedJsonUnmarshal(resp.Body, infoRequestMaxLen, &inspectResponse); err != nil {
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return nil, err
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}
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return &inspectResponse, nil
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}
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