fix: canonicalize phone numbers as E.164

server/db/mysql/user_identity_test.go

@@ -0,0 +1,25 @@
+//go:build mysql
+// +build mysql
+
+package mysql
+
+import "testing"
+
+func TestNormalizeUserPhone(t *testing.T) {
+	for input, want := range map[string]string{
+		"13800138000":      "+8613800138000",
+		"+8613800138000":   "+8613800138000",
+		"tel:+17025550001": "+17025550001",
+	} {
+		got, err := normalizeUserPhone(input)
+		if err != nil {
+			t.Fatalf("normalize %q: %v", input, err)
+		}
+		if got != want {
+			t.Fatalf("normalize %q: got %q, want %q", input, got, want)
+		}
+	}
+	if _, err := normalizeUserPhone("12345"); err == nil {
+		t.Fatal("invalid phone unexpectedly accepted")
+	}
+}