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// Copyright 2022 ROC. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package web
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import (
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"image"
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"math/rand"
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"strings"
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"time"
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"unicode/utf8"
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"github.com/alimy/mir/v3"
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"github.com/gofrs/uuid"
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"github.com/rocboss/paopao-ce/internal/core"
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"github.com/rocboss/paopao-ce/internal/model/web"
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"github.com/rocboss/paopao-ce/pkg/utils"
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"github.com/rocboss/paopao-ce/pkg/xerror"
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"github.com/sirupsen/logrus"
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)
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var defaultAvatars = []string{
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"https://assets.paopao.info/public/avatar/default/zoe.png",
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"https://assets.paopao.info/public/avatar/default/william.png",
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"https://assets.paopao.info/public/avatar/default/walter.png",
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"https://assets.paopao.info/public/avatar/default/thomas.png",
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"https://assets.paopao.info/public/avatar/default/taylor.png",
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"https://assets.paopao.info/public/avatar/default/sophia.png",
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"https://assets.paopao.info/public/avatar/default/sam.png",
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"https://assets.paopao.info/public/avatar/default/ryan.png",
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"https://assets.paopao.info/public/avatar/default/ruby.png",
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"https://assets.paopao.info/public/avatar/default/quinn.png",
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"https://assets.paopao.info/public/avatar/default/paul.png",
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"https://assets.paopao.info/public/avatar/default/owen.png",
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"https://assets.paopao.info/public/avatar/default/olivia.png",
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"https://assets.paopao.info/public/avatar/default/norman.png",
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"https://assets.paopao.info/public/avatar/default/nora.png",
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"https://assets.paopao.info/public/avatar/default/natalie.png",
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"https://assets.paopao.info/public/avatar/default/naomi.png",
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"https://assets.paopao.info/public/avatar/default/miley.png",
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"https://assets.paopao.info/public/avatar/default/mike.png",
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"https://assets.paopao.info/public/avatar/default/lucas.png",
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"https://assets.paopao.info/public/avatar/default/kylie.png",
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"https://assets.paopao.info/public/avatar/default/julia.png",
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"https://assets.paopao.info/public/avatar/default/joshua.png",
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"https://assets.paopao.info/public/avatar/default/john.png",
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"https://assets.paopao.info/public/avatar/default/jane.png",
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"https://assets.paopao.info/public/avatar/default/jackson.png",
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"https://assets.paopao.info/public/avatar/default/ivy.png",
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"https://assets.paopao.info/public/avatar/default/isaac.png",
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"https://assets.paopao.info/public/avatar/default/henry.png",
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"https://assets.paopao.info/public/avatar/default/harry.png",
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"https://assets.paopao.info/public/avatar/default/harold.png",
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"https://assets.paopao.info/public/avatar/default/hanna.png",
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"https://assets.paopao.info/public/avatar/default/grace.png",
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"https://assets.paopao.info/public/avatar/default/george.png",
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"https://assets.paopao.info/public/avatar/default/freddy.png",
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"https://assets.paopao.info/public/avatar/default/frank.png",
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"https://assets.paopao.info/public/avatar/default/finn.png",
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"https://assets.paopao.info/public/avatar/default/emma.png",
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"https://assets.paopao.info/public/avatar/default/emily.png",
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"https://assets.paopao.info/public/avatar/default/edward.png",
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"https://assets.paopao.info/public/avatar/default/clara.png",
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"https://assets.paopao.info/public/avatar/default/claire.png",
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"https://assets.paopao.info/public/avatar/default/chloe.png",
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"https://assets.paopao.info/public/avatar/default/audrey.png",
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"https://assets.paopao.info/public/avatar/default/arthur.png",
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"https://assets.paopao.info/public/avatar/default/anna.png",
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"https://assets.paopao.info/public/avatar/default/andy.png",
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"https://assets.paopao.info/public/avatar/default/alfred.png",
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"https://assets.paopao.info/public/avatar/default/alexa.png",
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"https://assets.paopao.info/public/avatar/default/abigail.png",
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}
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func getRandomAvatar() string {
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rand.Seed(time.Now().UnixMicro())
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return defaultAvatars[rand.Intn(len(defaultAvatars))]
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}
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// checkPassword 密码检查
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func checkPassword(password string) mir.Error {
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// 检测用户是否合规
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if utf8.RuneCountInString(password) < 6 || utf8.RuneCountInString(password) > 16 {
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return _errPasswordLengthLimit
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}
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return nil
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}
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// ValidPassword 检查密码是否一致
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func validPassword(dbPassword, password, salt string) bool {
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return strings.Compare(dbPassword, utils.EncodeMD5(utils.EncodeMD5(password)+salt)) == 0
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}
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// encryptPasswordAndSalt 密码加密&生成salt
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func encryptPasswordAndSalt(password string) (string, string) {
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salt := uuid.Must(uuid.NewV4()).String()[:8]
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password = utils.EncodeMD5(utils.EncodeMD5(password) + salt)
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return password, salt
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}
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// deleteOssObjects 删除推文的媒体内容, 宽松处理错误(就是不处理), 后续完善
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func deleteOssObjects(oss core.ObjectStorageService, mediaContents []string) {
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mediaContentsSize := len(mediaContents)
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if mediaContentsSize > 1 {
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objectKeys := make([]string, 0, mediaContentsSize)
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for _, cUrl := range mediaContents {
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objectKeys = append(objectKeys, oss.ObjectKey(cUrl))
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}
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// TODO: 优化处理尽量使用channel传递objectKeys使用可控数量的Goroutine集中处理object删除动作，后续完善
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go oss.DeleteObjects(objectKeys)
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} else if mediaContentsSize == 1 {
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oss.DeleteObject(oss.ObjectKey(mediaContents[0]))
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}
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}
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// persistMediaContents 获取媒体内容并持久化
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func persistMediaContents(oss core.ObjectStorageService, contents []*web.PostContentItem) (items []string, err error) {
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items = make([]string, 0, len(contents))
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for _, item := range contents {
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switch item.Type {
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case core.ContentTypeImage,
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core.ContentTypeVideo,
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core.ContentTypeAudio,
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core.ContentTypeAttachment,
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core.ContentTypeChargeAttachment:
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items = append(items, item.Content)
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if err != nil {
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continue
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}
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if err = oss.PersistObject(oss.ObjectKey(item.Content)); err != nil {
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logrus.Errorf("service.persistMediaContents failed: %s", err)
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}
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}
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}
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return
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}
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func fileCheck(uploadType string, size int64) mir.Error {
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if uploadType != "public/video" &&
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uploadType != "public/image" &&
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uploadType != "public/avatar" &&
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uploadType != "attachment" {
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return xerror.InvalidParams
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}
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if size > 1024*1024*100 {
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return _errFileInvalidSize.WithDetails("最大允许100MB")
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}
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return nil
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}
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func getFileExt(s string) (string, mir.Error) {
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switch s {
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case "image/png":
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return ".png", nil
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case "image/jpg":
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return ".jpg", nil
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case "image/jpeg":
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return ".jpeg", nil
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case "image/gif":
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return ".gif", nil
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case "video/mp4":
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return ".mp4", nil
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case "video/quicktime":
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return ".mov", nil
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case "application/zip":
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return ".zip", nil
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default:
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return "", _errFileInvalidExt.WithDetails("仅允许 png/jpg/gif/mp4/mov/zip 类型")
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}
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}
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func generatePath(s string) string {
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n := len(s)
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if n <= 2 {
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return s
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}
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return generatePath(s[:n-2]) + "/" + s[n-2:]
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}
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func getImageSize(img image.Rectangle) (int, int) {
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b := img.Bounds()
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width := b.Max.X
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height := b.Max.Y
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return width, height
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}
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func tagsFrom(originTags []string) []string {
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tags := make([]string, 0, len(originTags))
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for _, tag := range originTags {
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// TODO: 优化tag有效性检测
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if tag = strings.TrimSpace(tag); len(tag) > 0 {
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tags = append(tags, tag)
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}
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}
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return tags
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}
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// checkPermision 检查是否拥有者或管理员
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func checkPermision(user *core.User, targetUserId int64) mir.Error {
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if user == nil || (user.ID != targetUserId && !user.IsAdmin) {
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return _errNoPermission
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}
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return nil
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}
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