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go-zero/zrpc/internal/auth/credential.go

52 lines
1005 B
Go

package auth
import (
"context"
"google.golang.org/grpc/metadata"
)
// A Credential is used to authenticate.
type Credential struct {
App string
Token string
}
// GetRequestMetadata gets the request metadata.
func (c *Credential) GetRequestMetadata(context.Context, ...string) (map[string]string, error) {
return map[string]string{
appKey: c.App,
tokenKey: c.Token,
}, nil
}
// RequireTransportSecurity always returns false.
func (c *Credential) RequireTransportSecurity() bool {
return false
}
// ParseCredential parses credential from given ctx.
func ParseCredential(ctx context.Context) Credential {
var credential Credential
md, ok := metadata.FromIncomingContext(ctx)
if !ok {
return credential
}
apps, tokens := md[appKey], md[tokenKey]
if len(apps) == 0 || len(tokens) == 0 {
return credential
}
app, token := apps[0], tokens[0]
if len(app) == 0 || len(token) == 0 {
return credential
}
credential.App = app
credential.Token = token
return credential
}