55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
// Package firebase provides Firebase authentication integration.
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package firebase
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import (
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"context"
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"fmt"
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"sync"
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fb "firebase.google.com/go/v4"
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"firebase.google.com/go/v4/auth"
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"google.golang.org/api/option"
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)
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var ( //nolint:gochecknoglobals
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authClient *auth.Client //nolint:gochecknoglobals
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once sync.Once //nolint:gochecknoglobals
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errInit error //nolint:gochecknoglobals
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)
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// Init initializes the Firebase app and auth client using the given project ID.
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func Init(projectID string) error {
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once.Do(func() {
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ctx := context.Background()
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var app *fb.App
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var err error
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if projectID != "" {
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cfg := &fb.Config{ProjectID: projectID}
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app, err = fb.NewApp(ctx, cfg, option.WithoutAuthentication())
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} else {
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app, err = fb.NewApp(ctx, nil)
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}
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if err != nil {
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errInit = fmt.Errorf("initialize firebase app: %w", err)
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return
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}
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authClient, err = app.Auth(ctx)
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if err != nil {
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errInit = fmt.Errorf("initialize firebase auth: %w", err)
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return
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}
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})
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return errInit
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}
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// Auth returns the initialized Firebase auth client.
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func Auth() *auth.Client {
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return authClient
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}
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