Files
OpenFlare/internal/apps/openflare/geoip/runtime.go
T
ryan d7b8f44f90 修复 geoip/runtime.go 真死代码:ensureServerMMDB 的 os.Stat 错误被 if-init 遮蔽,err != nil && !os.IsNotExist(err) 恒为 false(外层 err 恒 nil),防御检查从未生效;改为显式捕获 statErr,stat 非 not-exist 错误现在正确返回。基准新增第 4 维度 govet nilness+unusedwrite(文档化扩展),当前 0。
Result: {"status":"keep","total_issues":8,"golint_canonicalheader":0,"golint_errname":0,"golint_errorlint":1,"golint_exhaustive":0,"golint_forcetypeassert":0,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":0,"golint_recvcheck":1,"golint_usestdlibvars":0,"golint_wastedassign":0,"golint_total":8,"golint_test_testifylint":0,"golint_test_thelper":0,"golint_test_usetesting":0,"golint_test_total":0,"golint_vetx_total":0,"eslint_problems":0,"eslint_errors":0,"eslint_warnings":0,"tsc_errors":0,"measure_s":37}
2026-08-16 18:25:49 +08:00

124 lines
3.0 KiB
Go

// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
package geoip
import (
"context"
"io/fs"
"os"
"path/filepath"
"strings"
"sync"
geodata "github.com/Rain-kl/Wavelet/internal/apps/openflare/geoip/data"
"github.com/Rain-kl/Wavelet/internal/model"
"github.com/Rain-kl/Wavelet/internal/repository"
pkggeoip "github.com/Rain-kl/Wavelet/pkg/geoip"
"github.com/Rain-kl/Wavelet/pkg/logger"
)
const (
serverMMDBRelativePath = "data/GeoLite2-Country.mmdb"
serverMMDBDirPerm = 0o750
serverMMDBFilePerm = 0o644
)
var (
runtimeOnce sync.Once
errRuntimeInit error
currentProviderMu sync.RWMutex
currentProvider string
)
// EnsureRuntimeProvider loads GeoIP provider config from SystemConfig.
func EnsureRuntimeProvider(ctx context.Context) error {
runtimeOnce.Do(func() {
errRuntimeInit = applyProviderFromSystemConfig(ctx)
})
return errRuntimeInit
}
// RefreshRuntimeProvider reapplies GeoIPProvider after config updates.
func RefreshRuntimeProvider(ctx context.Context) error {
return applyProviderFromSystemConfig(ctx)
}
func applyProviderFromSystemConfig(ctx context.Context) error {
config, err := repository.GetSystemConfigByKey(ctx, model.ConfigKeyGeoIPProvider)
if err != nil {
// 降级到默认值
return ApplyProvider(ctx, "ipinfo")
}
provider := strings.TrimSpace(config.Value)
if provider == "" {
provider = "ipinfo"
}
return ApplyProvider(ctx, provider)
}
// ApplyProvider switches the process-wide GeoIP backend.
func ApplyProvider(ctx context.Context, provider string) error {
normalized := strings.TrimSpace(strings.ToLower(provider))
if normalized == "" {
normalized = pkggeoip.ProviderDisabled
}
currentProviderMu.Lock()
if currentProvider == normalized {
currentProviderMu.Unlock()
return nil
}
currentProvider = normalized
currentProviderMu.Unlock()
if normalized == pkggeoip.ProviderMaxMind {
path, err := ensureServerMMDB()
if err != nil {
logger.WarnF(ctx, "[GeoIP] seed MaxMind database failed: %v", err)
}
if path != "" {
pkggeoip.GeoIPFilePath = path
}
}
pkggeoip.InitGeoIP(normalized)
return nil
}
func ensureServerMMDB() (string, error) {
path, err := filepath.Abs(serverMMDBRelativePath)
if err != nil {
return "", err
}
_, statErr := os.Stat(path)
if statErr == nil {
return path, nil
}
if !os.IsNotExist(statErr) {
return "", statErr
}
// Control plane: seed Country from embedded asset (no City; Agent uses disk/image).
data, err := fs.ReadFile(geodata.FS, geodata.DefaultMMDBName)
if err != nil {
return "", err
}
if err := os.MkdirAll(filepath.Dir(path), serverMMDBDirPerm); err != nil {
return "", err
}
if err := os.WriteFile(path, data, serverMMDBFilePerm); err != nil { //nolint:gosec // world-readable mmdb
return "", err
}
return path, nil
}
// ResetRuntimeForTest clears lazy-init state for unit tests.
func ResetRuntimeForTest() {
runtimeOnce = sync.Once{}
errRuntimeInit = nil
currentProviderMu.Lock()
currentProvider = ""
currentProviderMu.Unlock()
}