feat(storage): 完善对象存储配置与过期策略

补齐 OSS/S3 的 Endpoint、Region、Bucket、CDN、对象前缀和签名有效期配置,并为生成结果与请求素材自动维护分级生命周期规则。普通上传继续保持永久,私有资源按配置生成限时签名 URL,管理端连接测试覆盖生命周期、上传、读取和删除。\n\n新增可重复的真实 OSS 验收脚本,凭据仅从本地环境读取,接口响应继续保持脱敏。\n\n验证:Go 全量测试、迁移安全检查、pnpm lint、pnpm test、pnpm build、本地阿里云 OSS 真实上传下载删除验收。
This commit is contained in:
2026-08-04 12:44:24 +08:00
parent fe56aa46b9
commit 6a64d3936a
16 changed files with 1274 additions and 47 deletions
@@ -0,0 +1,378 @@
package runner
import (
"bytes"
"context"
"crypto/md5"
"encoding/base64"
"encoding/xml"
"fmt"
"io"
"net"
"net/http"
"net/url"
"path"
"strconv"
"strings"
"sync"
"time"
)
const (
objectStorageExpirationNever = "never"
objectStorageExpiration1Day = "1d"
objectStorageExpiration1Month = "1m"
objectStorageExpiration3Months = "3m"
objectStorageExpiration6Months = "6m"
objectStorageSignedURLTTLMin = time.Minute
objectStorageSignedURLTTLMax = 7 * 24 * time.Hour
)
type objectStorageLifecycleDefinition struct {
ID string
TagValue string
Days int
}
var objectStorageLifecycleDefinitions = []objectStorageLifecycleDefinition{
{ID: "DeleteTempFiles-1d", TagValue: objectStorageExpiration1Day, Days: 1},
{ID: "DeleteTempFiles-1m", TagValue: objectStorageExpiration1Month, Days: 30},
{ID: "DeleteTempFiles-3m", TagValue: objectStorageExpiration3Months, Days: 90},
{ID: "DeleteTempFiles-6m", TagValue: objectStorageExpiration6Months, Days: 180},
}
type objectStorageRetention struct {
Enabled bool
Policy string
TagValue string
ExpiresAt time.Time
}
func (r objectStorageRetention) taggingHeader() string {
values := url.Values{}
values.Set("TempFile", "true")
values.Set("ExpiresAt", strconv.FormatInt(r.ExpiresAt.Unix(), 10))
values.Set("ExpiresIn", r.TagValue)
return values.Encode()
}
func objectStorageExpirationPolicy(config map[string]any) string {
policy := strings.ToLower(firstNonEmptyString(
objectStorageConfigString(config, "temporaryFileExpirePolicy"),
objectStorageConfigString(config, "apiReturnExpirePolicy"),
))
switch policy {
case objectStorageExpiration1Day,
objectStorageExpiration1Month,
objectStorageExpiration3Months,
objectStorageExpiration6Months:
return policy
default:
return objectStorageExpirationNever
}
}
func objectStorageRetentionFor(config map[string]any, scene string, now time.Time) objectStorageRetention {
if strings.TrimSpace(scene) != "image_result" && strings.TrimSpace(scene) != "request_asset" {
return objectStorageRetention{Policy: objectStorageExpirationNever}
}
policy := objectStorageExpirationPolicy(config)
duration := objectStorageExpirationDuration(policy)
if duration <= 0 {
return objectStorageRetention{Policy: objectStorageExpirationNever}
}
return objectStorageRetention{
Enabled: true,
Policy: policy,
TagValue: policy,
ExpiresAt: now.Add(duration),
}
}
func objectStorageExpirationDuration(policy string) time.Duration {
switch policy {
case objectStorageExpiration1Day:
return 24 * time.Hour
case objectStorageExpiration1Month:
return 30 * 24 * time.Hour
case objectStorageExpiration3Months:
return 90 * 24 * time.Hour
case objectStorageExpiration6Months:
return 180 * 24 * time.Hour
default:
return 0
}
}
func objectStorageSignedURLTTLForConfig(config map[string]any) time.Duration {
seconds := int64FromAny(config["signedUrlExpiresSeconds"])
if seconds <= 0 {
return objectStorageSignedURLTTL
}
ttl := time.Duration(seconds) * time.Second
if ttl < objectStorageSignedURLTTLMin {
return objectStorageSignedURLTTLMin
}
if ttl > objectStorageSignedURLTTLMax {
return objectStorageSignedURLTTLMax
}
return ttl
}
func int64FromAny(value any) int64 {
switch typed := value.(type) {
case int:
return int64(typed)
case int32:
return int64(typed)
case int64:
return typed
case float32:
return int64(typed)
case float64:
return int64(typed)
case string:
parsed, _ := strconv.ParseInt(strings.TrimSpace(typed), 10, 64)
return parsed
default:
return 0
}
}
var (
objectStorageLifecycleReady sync.Map
objectStorageLifecycleLocks sync.Map
)
func (a *objectStorageAdapter) ensureLifecycle(ctx context.Context) error {
cacheKey := strings.Join([]string{
strings.ToLower(strings.TrimSpace(a.channel.Provider)),
objectStorageConfigString(a.channel.Config, "endpoint"),
objectStorageConfigString(a.channel.Config, "bucket"),
}, "\x00")
if _, ok := objectStorageLifecycleReady.Load(cacheKey); ok {
return nil
}
lockValue, _ := objectStorageLifecycleLocks.LoadOrStore(cacheKey, &sync.Mutex{})
lifecycleLock := lockValue.(*sync.Mutex)
lifecycleLock.Lock()
defer lifecycleLock.Unlock()
if _, ok := objectStorageLifecycleReady.Load(cacheKey); ok {
return nil
}
current, err := a.readLifecycle(ctx)
if err != nil {
return err
}
next, changed, err := mergeObjectStorageLifecycle(a.channel.Provider, current)
if err != nil {
return storageClientError("storage_config_invalid", "object storage lifecycle configuration is invalid", 0, false)
}
if changed {
if err := a.writeLifecycle(ctx, next); err != nil {
return err
}
}
objectStorageLifecycleReady.Store(cacheKey, struct{}{})
return nil
}
func (a *objectStorageAdapter) readLifecycle(ctx context.Context) ([]byte, error) {
requestURL, err := a.bucketLifecycleURL()
if err != nil {
return nil, err
}
req, err := http.NewRequestWithContext(ctx, http.MethodGet, requestURL, nil)
if err != nil {
return nil, storageClientError("storage_config_invalid", err.Error(), 0, false)
}
if err := a.sign(req, sha256Hex(nil), a.now().UTC()); err != nil {
return nil, err
}
resp, err := a.client.Do(req)
if err != nil {
return nil, storageClientError("storage_write_failed", "object storage lifecycle check failed", 0, true)
}
defer resp.Body.Close()
body, readErr := io.ReadAll(io.LimitReader(resp.Body, 2<<20))
if readErr != nil {
return nil, storageClientError("storage_write_failed", "object storage lifecycle response could not be read", resp.StatusCode, storageStatusRetryable(resp.StatusCode))
}
if resp.StatusCode == http.StatusNotFound {
return nil, nil
}
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
return nil, objectStorageHTTPError("storage_config_invalid", resp.StatusCode, body)
}
return body, nil
}
func (a *objectStorageAdapter) writeLifecycle(ctx context.Context, payload []byte) error {
requestURL, err := a.bucketLifecycleURL()
if err != nil {
return err
}
req, err := http.NewRequestWithContext(ctx, http.MethodPut, requestURL, bytes.NewReader(payload))
if err != nil {
return storageClientError("storage_config_invalid", err.Error(), 0, false)
}
digest := md5.Sum(payload)
req.Header.Set("Content-MD5", base64.StdEncoding.EncodeToString(digest[:]))
req.Header.Set("Content-Type", "application/xml")
if err := a.sign(req, sha256Hex(payload), a.now().UTC()); err != nil {
return err
}
resp, err := a.client.Do(req)
if err != nil {
return storageClientError("storage_write_failed", "object storage lifecycle configuration failed", 0, true)
}
defer resp.Body.Close()
body, readErr := io.ReadAll(io.LimitReader(resp.Body, 64<<10))
if readErr != nil {
return storageClientError("storage_write_failed", "object storage lifecycle response could not be read", resp.StatusCode, storageStatusRetryable(resp.StatusCode))
}
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
return objectStorageHTTPError("storage_config_invalid", resp.StatusCode, body)
}
return nil
}
func (a *objectStorageAdapter) bucketLifecycleURL() (string, error) {
endpoint, err := url.Parse(strings.TrimRight(objectStorageConfigString(a.channel.Config, "endpoint"), "/"))
if err != nil || endpoint.Scheme == "" || endpoint.Host == "" || endpoint.User != nil {
return "", storageClientError("storage_config_invalid", "invalid object storage endpoint", 0, false)
}
bucket := objectStorageConfigString(a.channel.Config, "bucket")
hostname := endpoint.Hostname()
forcePathStyle := objectStorageConfigBool(a.channel.Config, "forcePathStyle")
if strings.EqualFold(a.channel.Provider, "s3") {
if forcePathStyle {
endpoint.Path = path.Join(endpoint.Path, bucket)
} else if !strings.HasPrefix(strings.ToLower(hostname), strings.ToLower(bucket)+".") {
if port := endpoint.Port(); port != "" {
endpoint.Host = bucket + "." + hostname + ":" + port
} else {
endpoint.Host = bucket + "." + endpoint.Host
}
}
} else if !forcePathStyle && net.ParseIP(hostname) == nil && hostname != "localhost" && !strings.HasPrefix(strings.ToLower(hostname), strings.ToLower(bucket)+".") {
if port := endpoint.Port(); port != "" {
endpoint.Host = bucket + "." + hostname + ":" + port
} else {
endpoint.Host = bucket + "." + endpoint.Host
}
}
if endpoint.Path == "" {
endpoint.Path = "/"
}
endpoint.RawQuery = "lifecycle"
endpoint.Fragment = ""
return endpoint.String(), nil
}
type rawLifecycleConfiguration struct {
Rules []rawLifecycleRule `xml:"Rule"`
}
type rawLifecycleRule struct {
ID string `xml:"ID"`
Status string `xml:"Status"`
Tag rawLifecycleTag `xml:"Tag"`
Filter rawLifecycleFilter `xml:"Filter"`
Expiration rawLifecycleExpiration `xml:"Expiration"`
InnerXML string `xml:",innerxml"`
}
type rawLifecycleFilter struct {
Tag rawLifecycleTag `xml:"Tag"`
}
type rawLifecycleTag struct {
Key string `xml:"Key"`
Value string `xml:"Value"`
}
type rawLifecycleExpiration struct {
Days int `xml:"Days"`
}
func mergeObjectStorageLifecycle(provider string, current []byte) ([]byte, bool, error) {
configuration := rawLifecycleConfiguration{}
if len(bytes.TrimSpace(current)) > 0 {
if err := xml.Unmarshal(current, &configuration); err != nil {
return nil, false, err
}
}
managed := map[string]objectStorageLifecycleDefinition{}
for _, definition := range objectStorageLifecycleDefinitions {
managed[definition.ID] = definition
}
allManagedReady := true
for _, definition := range objectStorageLifecycleDefinitions {
matched := false
for _, rule := range configuration.Rules {
if rule.ID == definition.ID {
matched = lifecycleRuleMatches(rule, definition)
break
}
}
if !matched {
allManagedReady = false
break
}
}
if allManagedReady {
return current, false, nil
}
var output strings.Builder
output.WriteString(`<?xml version="1.0" encoding="UTF-8"?>`)
if strings.EqualFold(strings.TrimSpace(provider), "s3") {
output.WriteString(`<LifecycleConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">`)
} else {
output.WriteString(`<LifecycleConfiguration>`)
}
for _, rule := range configuration.Rules {
if _, isManaged := managed[rule.ID]; isManaged {
continue
}
output.WriteString("<Rule>")
output.WriteString(rule.InnerXML)
output.WriteString("</Rule>")
}
for _, definition := range objectStorageLifecycleDefinitions {
output.WriteString(lifecycleRuleXML(provider, definition))
}
output.WriteString(`</LifecycleConfiguration>`)
return []byte(output.String()), true, nil
}
func lifecycleRuleMatches(rule rawLifecycleRule, definition objectStorageLifecycleDefinition) bool {
tag := rule.Tag
if tag.Key == "" {
tag = rule.Filter.Tag
}
return strings.EqualFold(strings.TrimSpace(rule.Status), "Enabled") &&
tag.Key == "ExpiresIn" && tag.Value == definition.TagValue &&
rule.Expiration.Days == definition.Days
}
func lifecycleRuleXML(provider string, definition objectStorageLifecycleDefinition) string {
if strings.EqualFold(strings.TrimSpace(provider), "s3") {
return fmt.Sprintf(
"<Rule><ID>%s</ID><Filter><Tag><Key>ExpiresIn</Key><Value>%s</Value></Tag></Filter><Status>Enabled</Status><Expiration><Days>%d</Days></Expiration></Rule>",
definition.ID,
definition.TagValue,
definition.Days,
)
}
return fmt.Sprintf(
"<Rule><ID>%s</ID><Prefix></Prefix><Tag><Key>ExpiresIn</Key><Value>%s</Value></Tag><Status>Enabled</Status><Expiration><Days>%d</Days></Expiration></Rule>",
definition.ID,
definition.TagValue,
definition.Days,
)
}