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Added CredentialsProvider callback for getting username and password #2097

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merged 1 commit into from
Jun 4, 2022
Merged

Added CredentialsProvider callback for getting username and password #2097

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3 changes: 3 additions & 0 deletions options.go
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,9 @@ type Options struct {
// or the User Password when connecting to a Redis 6.0 instance, or greater,
// that is using the Redis ACL system.
Password string
// CredentialsProvider allows the username and password to be updated
// before reconnecting. It should return the current username and password.
CredentialsProvider func() (username string, password string)

// Database to be selected after connecting to the server.
DB int
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15 changes: 10 additions & 5 deletions redis.go
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Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,12 @@ func (c *baseClient) initConn(ctx context.Context, cn *pool.Conn) error {
}
cn.Inited = true

if c.opt.Password == "" &&
username, password := c.opt.Username, c.opt.Password
if c.opt.CredentialsProvider != nil {
username, password = c.opt.CredentialsProvider()
}

if password == "" &&
c.opt.DB == 0 &&
!c.opt.readOnly &&
c.opt.OnConnect == nil {
Expand All @@ -228,11 +233,11 @@ func (c *baseClient) initConn(ctx context.Context, cn *pool.Conn) error {
conn := newConn(ctx, c.opt, connPool)

_, err := conn.Pipelined(ctx, func(pipe Pipeliner) error {
if c.opt.Password != "" {
if c.opt.Username != "" {
pipe.AuthACL(ctx, c.opt.Username, c.opt.Password)
if password != "" {
if username != "" {
pipe.AuthACL(ctx, username, password)
} else {
pipe.Auth(ctx, c.opt.Password)
pipe.Auth(ctx, password)
}
}

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