aliyunpan/internal/functions/panupload/utils.go
2024-03-20 10:03:01 +08:00

104 lines
2.7 KiB
Go

// Copyright (c) 2020 tickstep.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package panupload
import (
"crypto/sha1"
"encoding/hex"
"github.com/tickstep/aliyunpan/internal/config"
"github.com/tickstep/library-go/converter"
"github.com/tickstep/library-go/logger"
"net/url"
"os"
"path"
"strconv"
"strings"
"time"
)
const (
// MaxUploadBlockSize 最大上传的文件分片大小
MaxUploadBlockSize = 2 * converter.GB
// MinUploadBlockSize 最小的上传的文件分片大小
MinUploadBlockSize = 4 * converter.MB
// MaxRapidUploadSize 秒传文件支持的最大文件大小
MaxRapidUploadSize = 20 * converter.GB
UploadingFileName = "aliyunpan_uploading.json"
)
var (
cmdUploadVerbose = logger.New("FILE_UPLOAD", config.EnvVerbose)
)
func getBlockSize(fileSize int64) int64 {
blockNum := fileSize / MinUploadBlockSize
if blockNum > 999 {
return fileSize/999 + 1
}
return MinUploadBlockSize
}
// IsUrlExpired 上传链接是否已过期。过期返回True
func IsUrlExpired(urlStr string) bool {
u, err := url.Parse(urlStr)
if err != nil {
return true
}
expiredTimeSecStr := u.Query().Get("x-oss-expires")
expiredTimeSec, _ := strconv.ParseInt(expiredTimeSecStr, 10, 64)
if (expiredTimeSec - time.Now().Unix()) <= 300 { // 小于5分钟
// expired
return true
}
return false
}
func IsVideoFile(fileName string) bool {
if fileName == "" {
return false
}
extName := strings.ToLower(path.Ext(fileName))
if strings.Index(extName, ".") == 0 {
extName = strings.TrimPrefix(extName, ".")
}
extList := config.Config.GetVideoExtensionList()
for _, ext := range extList {
if ext == extName {
return true
}
}
return false
}
// CalcFilePreHash 计算文件 PreHash
func CalcFilePreHash(filePath string) string {
localFile, _ := os.Open(filePath)
defer localFile.Close()
bytes := make([]byte, 1024)
localFile.ReadAt(bytes, 0)
sha1w := sha1.New()
sha1w.Write(bytes)
shaBytes := sha1w.Sum(nil)
hashCode := hex.EncodeToString(shaBytes)
return strings.ToUpper(hashCode)
}
// UnixTime2LocalFormatStr 时间戳转换为东8区时间字符串
func UnixTime2LocalFormatStr(unixTime int64) string {
t := time.Unix(unixTime, 0)
cz := time.FixedZone("CST", 8*3600) // 东8区
return t.In(cz).Format("2006-01-02T15:04:05.000Z")
}