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author | Wim <wim@42.be> | 2023-08-05 20:43:19 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2023-08-05 20:43:19 +0200 |
commit | 56e7bd01ca09ad52b0c4f48f146a20a4f1b78696 (patch) | |
tree | b1355645342667209263cbd355dc0b4254f1e8fe /vendor/golang.org/x/oauth2/internal/token.go | |
parent | 9459495484d6e06a3d46de64fccd8d06f7ccc72c (diff) | |
download | matterbridge-msglm-master.tar.gz matterbridge-msglm-master.tar.bz2 matterbridge-msglm-master.zip |
Diffstat (limited to 'vendor/golang.org/x/oauth2/internal/token.go')
-rw-r--r-- | vendor/golang.org/x/oauth2/internal/token.go | 60 |
1 files changed, 50 insertions, 10 deletions
diff --git a/vendor/golang.org/x/oauth2/internal/token.go b/vendor/golang.org/x/oauth2/internal/token.go index b4723fca..58901bda 100644 --- a/vendor/golang.org/x/oauth2/internal/token.go +++ b/vendor/golang.org/x/oauth2/internal/token.go @@ -55,12 +55,18 @@ type Token struct { } // tokenJSON is the struct representing the HTTP response from OAuth2 -// providers returning a token in JSON form. +// providers returning a token or error in JSON form. +// https://datatracker.ietf.org/doc/html/rfc6749#section-5.1 type tokenJSON struct { AccessToken string `json:"access_token"` TokenType string `json:"token_type"` RefreshToken string `json:"refresh_token"` ExpiresIn expirationTime `json:"expires_in"` // at least PayPal returns string, while most return number + // error fields + // https://datatracker.ietf.org/doc/html/rfc6749#section-5.2 + ErrorCode string `json:"error"` + ErrorDescription string `json:"error_description"` + ErrorURI string `json:"error_uri"` } func (e *tokenJSON) expiry() (t time.Time) { @@ -236,21 +242,29 @@ func doTokenRoundTrip(ctx context.Context, req *http.Request) (*Token, error) { if err != nil { return nil, fmt.Errorf("oauth2: cannot fetch token: %v", err) } - if code := r.StatusCode; code < 200 || code > 299 { - return nil, &RetrieveError{ - Response: r, - Body: body, - } + + failureStatus := r.StatusCode < 200 || r.StatusCode > 299 + retrieveError := &RetrieveError{ + Response: r, + Body: body, + // attempt to populate error detail below } var token *Token content, _, _ := mime.ParseMediaType(r.Header.Get("Content-Type")) switch content { case "application/x-www-form-urlencoded", "text/plain": + // some endpoints return a query string vals, err := url.ParseQuery(string(body)) if err != nil { - return nil, err + if failureStatus { + return nil, retrieveError + } + return nil, fmt.Errorf("oauth2: cannot parse response: %v", err) } + retrieveError.ErrorCode = vals.Get("error") + retrieveError.ErrorDescription = vals.Get("error_description") + retrieveError.ErrorURI = vals.Get("error_uri") token = &Token{ AccessToken: vals.Get("access_token"), TokenType: vals.Get("token_type"), @@ -265,8 +279,14 @@ func doTokenRoundTrip(ctx context.Context, req *http.Request) (*Token, error) { default: var tj tokenJSON if err = json.Unmarshal(body, &tj); err != nil { - return nil, err + if failureStatus { + return nil, retrieveError + } + return nil, fmt.Errorf("oauth2: cannot parse json: %v", err) } + retrieveError.ErrorCode = tj.ErrorCode + retrieveError.ErrorDescription = tj.ErrorDescription + retrieveError.ErrorURI = tj.ErrorURI token = &Token{ AccessToken: tj.AccessToken, TokenType: tj.TokenType, @@ -276,17 +296,37 @@ func doTokenRoundTrip(ctx context.Context, req *http.Request) (*Token, error) { } json.Unmarshal(body, &token.Raw) // no error checks for optional fields } + // according to spec, servers should respond status 400 in error case + // https://www.rfc-editor.org/rfc/rfc6749#section-5.2 + // but some unorthodox servers respond 200 in error case + if failureStatus || retrieveError.ErrorCode != "" { + return nil, retrieveError + } if token.AccessToken == "" { return nil, errors.New("oauth2: server response missing access_token") } return token, nil } +// mirrors oauth2.RetrieveError type RetrieveError struct { - Response *http.Response - Body []byte + Response *http.Response + Body []byte + ErrorCode string + ErrorDescription string + ErrorURI string } func (r *RetrieveError) Error() string { + if r.ErrorCode != "" { + s := fmt.Sprintf("oauth2: %q", r.ErrorCode) + if r.ErrorDescription != "" { + s += fmt.Sprintf(" %q", r.ErrorDescription) + } + if r.ErrorURI != "" { + s += fmt.Sprintf(" %q", r.ErrorURI) + } + return s + } return fmt.Sprintf("oauth2: cannot fetch token: %v\nResponse: %s", r.Response.Status, r.Body) } |