Files
alist/model/account.go
2022-04-30 21:41:15 +08:00

288 lines
7.9 KiB
Go

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