alist/server/down.go

68 lines
1.7 KiB
Go

package server
import (
"fmt"
"github.com/Xhofe/alist/conf"
"github.com/Xhofe/alist/utils"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/fiber/v2/middleware/proxy"
log "github.com/sirupsen/logrus"
"net/url"
"path/filepath"
)
func Down(ctx *fiber.Ctx) error {
rawPath, err:= url.QueryUnescape(ctx.Params("*"))
if err != nil {
return ErrorResp(ctx,err,500)
}
rawPath = utils.ParsePath(rawPath)
log.Debugf("down: %s",rawPath)
account, path, driver, err := ParsePath(rawPath)
if err != nil {
return ErrorResp(ctx, err, 500)
}
link, err := driver.Link(path, account)
if err != nil {
return ErrorResp(ctx, err, 500)
}
if account.Type == "Native" {
return ctx.SendFile(link)
} else {
return ctx.Redirect(link, 302)
}
}
func Proxy(ctx *fiber.Ctx) error {
rawPath, err:= url.QueryUnescape(ctx.Params("*"))
if err != nil {
return ErrorResp(ctx,err,500)
}
rawPath = utils.ParsePath(rawPath)
log.Debugf("proxy: %s",rawPath)
account, path, driver, err := ParsePath(rawPath)
if err != nil {
return ErrorResp(ctx, err, 500)
}
if !account.Proxy && utils.GetFileType(filepath.Ext(rawPath))!=conf.TEXT {
return ErrorResp(ctx,fmt.Errorf("[%s] not allowed proxy",account.Name),403)
}
link, err := driver.Link(path, account)
if err != nil {
return ErrorResp(ctx, err, 500)
}
if account.Type == "Native" {
return ctx.SendFile(link)
} else {
driver.Proxy(ctx)
if err := proxy.Do(ctx, link); err != nil {
log.Errorf("proxy error: %s", err)
return ErrorResp(ctx,err,500)
}
// Remove Server header from response
ctx.Response().Header.Del(fiber.HeaderServer)
ctx.Set("Access-Control-Allow-Origin","*")
log.Debugf("proxy hedaer: %+v", ctx.Response().Header.String())
return nil
}
}