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google: don't check for IsNotExist for well-known file 

There are cases when reading this file that a ENOTDIR is returned.
Because of this it is safer to just fall-back when any error
happens from reading the gcloud file.

Change-Id: Ie8e45ad508643e900adb5c9787907aaa50cceb5d
Reviewed-on: https://go-review.googlesource.com/c/oauth2/+/493695
Run-TryBot: Cody Oss <codyoss@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
Auto-Submit: Cody Oss <codyoss@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Cody Oss 2023-05-08 16:10:46 -05:00 committed by Gopher Robot
parent 0690208dba
commit 839de2255f
1 changed files with 3 additions and 6 deletions
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9
google/default.go
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@ -8,7 +8,6 @@ import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"os"
"path/filepath"
@ -142,10 +141,8 @@ func FindDefaultCredentialsWithParams(ctx context.Context, params CredentialsPar
// Second, try a well-known file.
filename := wellKnownFile()
if creds, err := readCredentialsFile(ctx, filename, params); err == nil {
return creds, nil
} else if !os.IsNotExist(err) {
return nil, fmt.Errorf("google: error getting credentials using well-known file (%v): %v", filename, err)
if b, err := os.ReadFile(filename); err == nil {
return CredentialsFromJSONWithParams(ctx, b, params)
}
// Third, if we're on a Google App Engine standard first generation runtime (<= Go 1.9)
@ -231,7 +228,7 @@ func wellKnownFile() string {
}
func readCredentialsFile(ctx context.Context, filename string, params CredentialsParams) (*Credentials, error) {
b, err := ioutil.ReadFile(filename)
b, err := os.ReadFile(filename)
if err != nil {
return nil, err
}