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oauthutil: copy the config before modifying it

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The stops simultaneous use of oauth configs with different client IDs
causing a problem.
This commit is contained in:
Nick Craig-Wood 2017-01-16 15:10:08 +00:00
parent 0604d3dbf2
commit 166fd50451
1 changed files with 8 additions and 5 deletions
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13
oauthutil/oauthutil.go
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@ -194,8 +194,11 @@ func Context() context.Context {
// overrideCredentials sets the ClientID and ClientSecret from the
// config file if they are not blank.
// If any value is overridden, true is returned.
func overrideCredentials(name string, config *oauth2.Config) bool {
changed := false
// the origConfig is copied
func overrideCredentials(name string, origConfig *oauth2.Config) (config *oauth2.Config, changed bool) {
config = new(oauth2.Config)
*config = *origConfig
changed = false
ClientID := fs.ConfigFileGet(name, fs.ConfigClientID)
if ClientID != "" {
config.ClientID = ClientID
@ -206,13 +209,13 @@ func overrideCredentials(name string, config *oauth2.Config) bool {
config.ClientSecret = ClientSecret
changed = true
}
return changed
return config, changed
}
// NewClient gets a token from the config file and configures a Client
// with it. It returns the client and a TokenSource which Invalidate may need to be called on
func NewClient(name string, config *oauth2.Config) (*http.Client, *TokenSource, error) {
overrideCredentials(name, config)
config, _ = overrideCredentials(name, config)
token, err := getToken(name)
if err != nil {
return nil, nil, err
@ -237,7 +240,7 @@ func NewClient(name string, config *oauth2.Config) (*http.Client, *TokenSource,
//
// It may run an internal webserver to receive the results
func Config(id, name string, config *oauth2.Config) error {
changed := overrideCredentials(name, config)
config, changed := overrideCredentials(name, config)
automatic := fs.ConfigFileGet(name, fs.ConfigAutomatic) != ""
// See if already have a token