Adding upstream version 0.28.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

apis/installer.go

@@ -0,0 +1,88 @@
+package apis
+
+import (
+	"database/sql"
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/fatih/color"
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/pocketbase/pocketbase/tools/osutils"
+)
+
+// DefaultInstallerFunc is the default PocketBase installer function.
+//
+// It will attempt to open a link in the browser (with a short-lived auth
+// token for the systemSuperuser) to the installer UI so that users can
+// create their own custom superuser record.
+//
+// See https://github.com/pocketbase/pocketbase/discussions/5814.
+func DefaultInstallerFunc(app core.App, systemSuperuser *core.Record, baseURL string) error {
+	token, err := systemSuperuser.NewStaticAuthToken(30 * time.Minute)
+	if err != nil {
+		return err
+	}
+
+	// launch url (ignore errors and always print a help text as fallback)
+	url := fmt.Sprintf("%s/_/#/pbinstal/%s", strings.TrimRight(baseURL, "/"), token)
+	_ = osutils.LaunchURL(url)
+	color.Magenta("\n(!) Launch the URL below in the browser if it hasn't been open already to create your first superuser account:")
+	color.New(color.Bold).Add(color.FgCyan).Println(url)
+	color.New(color.FgHiBlack, color.Italic).Printf("(you can also create your first superuser by running: %s superuser upsert EMAIL PASS)\n\n", os.Args[0])
+
+	return nil
+}
+
+func loadInstaller(
+	app core.App,
+	baseURL string,
+	installerFunc func(app core.App, systemSuperuser *core.Record, baseURL string) error,
+) error {
+	if installerFunc == nil || !needInstallerSuperuser(app) {
+		return nil
+	}
+
+	superuser, err := findOrCreateInstallerSuperuser(app)
+	if err != nil {
+		return err
+	}
+
+	return installerFunc(app, superuser, baseURL)
+}
+
+func needInstallerSuperuser(app core.App) bool {
+	total, err := app.CountRecords(core.CollectionNameSuperusers, dbx.Not(dbx.HashExp{
+		"email": core.DefaultInstallerEmail,
+	}))
+
+	return err == nil && total == 0
+}
+
+func findOrCreateInstallerSuperuser(app core.App) (*core.Record, error) {
+	col, err := app.FindCachedCollectionByNameOrId(core.CollectionNameSuperusers)
+	if err != nil {
+		return nil, err
+	}
+
+	record, err := app.FindAuthRecordByEmail(col, core.DefaultInstallerEmail)
+	if err != nil {
+		if !errors.Is(err, sql.ErrNoRows) {
+			return nil, err
+		}
+
+		record = core.NewRecord(col)
+		record.SetEmail(core.DefaultInstallerEmail)
+		record.SetRandomPassword()
+
+		err = app.Save(record)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return record, nil
+}