mirror of https://github.com/Xhofe/alist
275 lines
7.6 KiB
Go
275 lines
7.6 KiB
Go
package model
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import (
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"github.com/Xhofe/alist/conf"
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"github.com/Xhofe/alist/utils"
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log "github.com/sirupsen/logrus"
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"sort"
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"strings"
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"sync"
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"time"
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)
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type Account struct {
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ID uint `json:"id" gorm:"primaryKey"` // 唯一ID
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Name string `json:"name" gorm:"unique" binding:"required"` // 唯一名称
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Index int `json:"index"` // 序号 用于排序
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Type string `json:"type"` // 类型，即driver
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Username string `json:"username"`
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Password string `json:"password"`
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RefreshToken string `json:"refresh_token"`
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AccessToken string `json:"access_token"`
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RootFolder string `json:"root_folder"`
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Status string `json:"status"` // 状态
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CronId int
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DriveId string
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Limit int `json:"limit"`
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OrderBy string `json:"order_by"`
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OrderDirection string `json:"order_direction"`
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UpdatedAt *time.Time `json:"updated_at"`
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Search bool `json:"search"`
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ClientId string `json:"client_id"`
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ClientSecret string `json:"client_secret"`
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Zone string `json:"zone"`
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RedirectUri string `json:"redirect_uri"`
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SiteUrl string `json:"site_url"`
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SiteId string `json:"site_id"`
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InternalType string `json:"internal_type"`
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WebdavProxy bool `json:"webdav_proxy"` // 开启之后只会webdav走中转
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Proxy bool `json:"proxy"` // 是否中转,开启之后web和webdav都会走中转
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WebdavDirect bool `json:"webdav_direct"` // webdav 下载不跳转
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//AllowProxy bool `json:"allow_proxy"` // 是否允许中转下载
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DownProxyUrl string `json:"down_proxy_url"` // 用于中转下载服务的URL 两处 1. path请求中返回的链接 2. down下载时进行302
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APIProxyUrl string `json:"api_proxy_url"` // 用于中转api的地址
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// for s3
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Bucket string `json:"bucket"`
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Endpoint string `json:"endpoint"`
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Region string `json:"region"`
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AccessKey string `json:"access_key"`
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AccessSecret string `json:"access_secret"`
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CustomHost string `json:"custom_host"`
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ExtractFolder string `json:"extract_folder"`
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Bool1 bool `json:"bool_1"`
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}
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var accountsMap = make(map[string]Account)
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var balance = ".balance"
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// SaveAccount save account to database
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func SaveAccount(account *Account) error {
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if err := conf.DB.Save(account).Error; err != nil {
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return err
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}
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RegisterAccount(*account)
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return nil
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}
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func CreateAccount(account *Account) error {
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if err := conf.DB.Create(account).Error; err != nil {
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return err
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}
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RegisterAccount(*account)
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return nil
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}
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func DeleteAccount(id uint) (*Account, error) {
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var account Account
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account.ID = id
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if err := conf.DB.First(&account).Error; err != nil {
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return nil, err
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}
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name := account.Name
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if err := conf.DB.Delete(&account).Error; err != nil {
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return nil, err
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}
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delete(accountsMap, name)
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return &account, nil
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}
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func DeleteAccountFromMap(name string) {
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delete(accountsMap, name)
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}
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func AccountsCount() int {
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return len(accountsMap)
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}
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func RegisterAccount(account Account) {
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accountsMap[account.Name] = account
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}
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// GetAccount 根据名称获取账号（不包含负载均衡账号） 用于定时任务更新账号
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func GetAccount(name string) (Account, bool) {
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if len(accountsMap) == 1 {
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for _, v := range accountsMap {
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return v, true
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}
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}
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account, ok := accountsMap[name]
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return account, ok
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}
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// GetAccountsByName 根据名称获取账号（包含负载均衡账号）
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//func GetAccountsByName(name string) []Account {
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// accounts := make([]Account, 0)
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// if AccountsCount() == 1 {
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// for _, v := range accountsMap {
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// accounts = append(accounts, v)
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// }
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// return accounts
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// }
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// for _, v := range accountsMap {
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// if v.Name == name || strings.HasPrefix(v.Name, name+balance) {
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// accounts = append(accounts, v)
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// }
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// }
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// return accounts
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//}
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var balanceMap sync.Map
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// GetBalancedAccount 根据名称获取账号，负载均衡之后的
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func GetBalancedAccount(name string) (Account, bool) {
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accounts := GetAccountsByPath(name)
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log.Debugf("accounts: %+v", accounts)
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accountNum := len(accounts)
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switch accountNum {
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case 0:
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return Account{}, false
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case 1:
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return accounts[0], true
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default:
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cur, ok := balanceMap.Load(name)
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if ok {
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i := cur.(int)
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i = (i + 1) % accountNum
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balanceMap.Store(name, i)
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log.Debugln("use: ", i)
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return accounts[i], true
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} else {
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balanceMap.Store(name, 0)
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return accounts[0], true
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}
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}
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}
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// GetAccountById 根据id获取账号，用于更新账号
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func GetAccountById(id uint) (*Account, error) {
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var account Account
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account.ID = id
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if err := conf.DB.First(&account).Error; err != nil {
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return nil, err
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}
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return &account, nil
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}
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// GetAccountFiles 获取账号虚拟文件（去除负载均衡）
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//func GetAccountFiles() ([]File, error) {
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// files := make([]File, 0)
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// var accounts []Account
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// if err := conf.DB.Order(columnName("index")).Find(&accounts).Error; err != nil {
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// return nil, err
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// }
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// for _, v := range accounts {
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// if strings.Contains(v.Name, balance) {
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// continue
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// }
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// files = append(files, File{
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// Name: v.Name,
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// Size: 0,
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// Driver: v.Type,
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// Type: conf.FOLDER,
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// UpdatedAt: v.UpdatedAt,
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// })
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// }
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// return files, nil
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//}
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// GetAccounts 获取所有账号
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func GetAccounts() ([]Account, error) {
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var accounts []Account
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if err := conf.DB.Order(columnName("index")).Find(&accounts).Error; err != nil {
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return nil, err
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}
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return accounts, nil
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}
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// GetAccountsByPath 根据路径获取账号，最长匹配，未负载均衡
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// 如有账号： /a/b,/a/c,/a/d/e,/a/d/e.balance
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// GetAccountsByPath(/a/d/e/f) => /a/d/e,/a/d/e.balance
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func GetAccountsByPath(path string) []Account {
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accounts := make([]Account, 0)
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curSlashCount := 0
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for _, v := range accountsMap {
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name := utils.ParsePath(v.Name)
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bIndex := strings.LastIndex(name, balance)
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if bIndex != -1 {
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name = name[:bIndex]
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}
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// 不是这个账号
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if path != name && !strings.HasPrefix(path, name+"/") {
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continue
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}
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slashCount := strings.Count(name, "/")
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// 不是最长匹配
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if slashCount < curSlashCount {
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continue
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}
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if slashCount > curSlashCount {
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accounts = accounts[:0]
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curSlashCount = slashCount
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}
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accounts = append(accounts, v)
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}
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sort.Slice(accounts, func(i, j int) bool {
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return accounts[i].Name < accounts[j].Name
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})
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return accounts
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}
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// GetAccountFilesByPath 根据路径获取账号虚拟文件
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// 如有账号： /a/b,/a/c,/a/d/e,/a/b.balance1,/av
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// GetAccountFilesByPath(/a) => b,c,d
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func GetAccountFilesByPath(prefix string) []File {
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files := make([]File, 0)
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accounts := make([]Account, AccountsCount())
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i := 0
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for _, v := range accountsMap {
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accounts[i] = v
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i += 1
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}
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sort.Slice(accounts, func(i, j int) bool {
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if accounts[i].Index == accounts[j].Index {
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return accounts[i].Name < accounts[j].Name
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}
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return accounts[i].Index < accounts[j].Index
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})
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prefix = utils.ParsePath(prefix)
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set := make(map[string]interface{})
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for _, v := range accounts {
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// 负载均衡账号
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if strings.Contains(v.Name, balance) {
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continue
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}
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full := utils.ParsePath(v.Name)
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// 不是以prefix为前缀
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if !strings.HasPrefix(full, prefix+"/") && prefix != "/" {
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continue
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}
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name := strings.Split(strings.TrimPrefix(strings.TrimPrefix(full, prefix), "/"), "/")[0]
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if _, ok := set[name]; ok {
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continue
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}
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files = append(files, File{
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Name: name,
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Size: 0,
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Driver: v.Type,
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Type: conf.FOLDER,
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UpdatedAt: v.UpdatedAt,
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})
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set[name] = nil
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}
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return files
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}
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