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feat(proxy): Added configurable signature for down proxy URLs #9394

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Merged
JoaHuang merged 1 commit into from
Dec 22, 2025
Merged

feat(proxy): Added configurable signature for down proxy URLs #9394

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9 changes: 5 additions & 4 deletions internal/model/storage.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,10 +28,11 @@ type Sort struct {
}

type Proxy struct {
WebProxy bool `json:"web_proxy"`
WebdavPolicy string `json:"webdav_policy"`
ProxyRange bool `json:"proxy_range"`
DownProxyUrl string `json:"down_proxy_url"`
WebProxy bool `json:"web_proxy"`
WebdavPolicy string `json:"webdav_policy"`
ProxyRange bool `json:"proxy_range"`
DownProxyUrl string `json:"down_proxy_url"`
DownProxySign bool `json:"down_proxy_sign" gorm:"default:true"`
}

func (s *Storage) GetStorage() *Storage {
Expand Down
5 changes: 5 additions & 0 deletions internal/op/driver.go
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,11 @@ func getMainItems(config driver.Config) []driver.Item {
Name: "down_proxy_url",
Type: conf.TypeText,
})
items = append(items, driver.Item{
Name: "down_proxy_sign",
Type: conf.TypeBool,
Default: "true",
})
if config.LocalSort {
items = append(items, []driver.Item{{
Name: "order_by",
Expand Down
9 changes: 9 additions & 0 deletions server/common/proxy.go
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ import (

"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/internal/net"
"github.com/alist-org/alist/v3/internal/sign"
"github.com/alist-org/alist/v3/internal/stream"
"github.com/alist-org/alist/v3/pkg/http_range"
"github.com/alist-org/alist/v3/pkg/utils"
Expand Down Expand Up @@ -129,6 +130,14 @@ func ProxyRange(link *model.Link, size int64) {
}
}

func BuildDownProxyURL(downProxyURL, path string, useSign bool) string {
base := strings.Split(downProxyURL, "\n")[0]
if useSign {
return fmt.Sprintf("%s%s?sign=%s", base, utils.EncodePath(path, true), sign.Sign(path))
}
return fmt.Sprintf("%s%s", base, utils.EncodePath(path, true))
}

type InterceptResponseWriter struct {
http.ResponseWriter
io.Writer
Expand Down
7 changes: 1 addition & 6 deletions server/handles/down.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,14 +6,12 @@ import (
"io"
stdpath "path"
"strconv"
"strings"

"github.com/alist-org/alist/v3/internal/conf"
"github.com/alist-org/alist/v3/internal/driver"
"github.com/alist-org/alist/v3/internal/fs"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/internal/setting"
"github.com/alist-org/alist/v3/internal/sign"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/alist-org/alist/v3/server/common"
"github.com/gin-gonic/gin"
Expand Down Expand Up @@ -62,10 +60,7 @@ func Proxy(c *gin.Context) {
if downProxyUrl != "" {
_, ok := c.GetQuery("d")
if !ok {
URL := fmt.Sprintf("%s%s?sign=%s",
strings.Split(downProxyUrl, "\n")[0],
utils.EncodePath(rawPath, true),
sign.Sign(rawPath))
URL := common.BuildDownProxyURL(downProxyUrl, rawPath, storage.GetStorage().DownProxySign)
c.Redirect(302, URL)
return
}
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9 changes: 5 additions & 4 deletions server/handles/fsread.go
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Original file line number Diff line number Diff line change
Expand Up @@ -340,10 +340,11 @@ func FsGet(c *gin.Context) {
query = "?sign=" + sign.Sign(reqPath)
}
if storage.GetStorage().DownProxyUrl != "" {
rawURL = fmt.Sprintf("%s%s?sign=%s",
strings.Split(storage.GetStorage().DownProxyUrl, "\n")[0],
utils.EncodePath(reqPath, true),
sign.Sign(reqPath))
rawURL = common.BuildDownProxyURL(
storage.GetStorage().DownProxyUrl,
reqPath,
storage.GetStorage().DownProxySign,
)
} else {
rawURL = fmt.Sprintf("%s/p%s%s",
common.GetApiUrl(c.Request),
Expand Down
6 changes: 1 addition & 5 deletions server/webdav/webdav.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@ import (
"github.com/alist-org/alist/v3/internal/errs"
"github.com/alist-org/alist/v3/internal/fs"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/internal/sign"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/alist-org/alist/v3/server/common"
)
Expand Down Expand Up @@ -253,10 +252,7 @@ func (h *Handler) handleGetHeadPost(w http.ResponseWriter, r *http.Request) (sta
return http.StatusInternalServerError, fmt.Errorf("webdav proxy error: %+v", err)
}
} else if storage.GetStorage().WebdavProxy() && downProxyUrl != "" {
u := fmt.Sprintf("%s%s?sign=%s",
strings.Split(downProxyUrl, "\n")[0],
utils.EncodePath(reqPath, true),
sign.Sign(reqPath))
u := common.BuildDownProxyURL(downProxyUrl, reqPath, storage.GetStorage().DownProxySign)
w.Header().Set("Cache-Control", "max-age=0, no-cache, no-store, must-revalidate")
http.Redirect(w, r, u, http.StatusFound)
} else {
Expand Down