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oauth2: parse RFC 6749 error response

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Parse error response described in https://datatracker.ietf.org/doc/html/rfc6749#section-5.2

Handle unorthodox servers responding 200 in error case.

Implements API changes in accepted proposal https://github.com/golang/go/issues/58125

Fixes #441
Fixes #274
Updates #173

Change-Id: If9399c3f952ac0501edbeefeb3a71ed057ca8d37
GitHub-Last-Rev: 0030e27422
GitHub-Pull-Request: golang/oauth2#610
Reviewed-on: https://go-review.googlesource.com/c/oauth2/+/451076
Run-TryBot: Matt Hickford <matt.hickford@gmail.com>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Matt Hickford <matt.hickford@gmail.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Cody Oss <codyoss@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
M Hickford
2023-04-06 18:39:04 +00:00
committed by Damien Neil
parent 36075149c5
commit cfe200d5bb
3 changed files with 104 additions and 14 deletions
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19
token.go
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@@ -175,14 +175,31 @@ func retrieveToken(ctx context.Context, c *Config, v url.Values) (*Token, error)
}
// RetrieveError is the error returned when the token endpoint returns a
// non-2XX HTTP status code.
// non-2XX HTTP status code or populates RFC 6749's 'error' parameter.
// https://datatracker.ietf.org/doc/html/rfc6749#section-5.2
type RetrieveError struct {
Response *http.Response
// Body is the body that was consumed by reading Response.Body.
// It may be truncated.
Body []byte
// ErrorCode is RFC 6749's 'error' parameter.
ErrorCode string
// ErrorDescription is RFC 6749's 'error_description' parameter.
ErrorDescription string
// ErrorURI is RFC 6749's 'error_uri' parameter.
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)
}