feat: fs link api

internal/bootstrap/data/setting.go

@@ -67,29 +67,29 @@ func initialSettings() {
 	}
 	initialSettingItems = []model.SettingItem{
 		// site settings
-		{Key: "version", Value: conf.Version, Type: conf.TypeString, Group: model.SITE, Flag: model.READONLY},
-		{Key: "base_url", Value: "", Type: conf.TypeString, Group: model.SITE},
-		{Key: "site_title", Value: "AList", Type: conf.TypeString, Group: model.SITE},
-		{Key: "site_logo", Value: "https://cdn.jsdelivr.net/gh/alist-org/logo@main/logo.svg", Type: conf.TypeString, Group: model.SITE},
-		{Key: "favicon", Value: "https://cdn.jsdelivr.net/gh/alist-org/logo@main/logo.svg", Type: conf.TypeString, Group: model.SITE},
-		{Key: "announcement", Value: "https://github.com/alist-org/alist", Type: conf.TypeString, Group: model.SITE},
+		{Key: conf.VERSION, Value: conf.Version, Type: conf.TypeString, Group: model.SITE, Flag: model.READONLY},
+		{Key: conf.BaseUrl, Value: "", Type: conf.TypeString, Group: model.SITE},
+		{Key: conf.SiteTitle, Value: "AList", Type: conf.TypeString, Group: model.SITE},
+		{Key: conf.SiteLogo, Value: "https://cdn.jsdelivr.net/gh/alist-org/logo@main/logo.svg", Type: conf.TypeString, Group: model.SITE},
+		{Key: conf.Favicon, Value: "https://cdn.jsdelivr.net/gh/alist-org/logo@main/logo.svg", Type: conf.TypeString, Group: model.SITE},
+		{Key: conf.Announcement, Value: "https://github.com/alist-org/alist", Type: conf.TypeString, Group: model.SITE},
 		// style settings
-		{Key: "icon_color", Value: "#1890ff", Type: conf.TypeString, Group: model.STYLE},
+		{Key: conf.IconColor, Value: "#1890ff", Type: conf.TypeString, Group: model.STYLE},
 		// preview settings
-		{Key: "text_types", Value: "txt,htm,html,xml,java,properties,sql,js,md,json,conf,ini,vue,php,py,bat,gitignore,yml,go,sh,c,cpp,h,hpp,tsx,vtt,srt,ass,rs,lrc", Type: conf.TypeText, Group: model.PREVIEW, Flag: model.PRIVATE},
-		{Key: "audio_types", Value: "mp3,flac,ogg,m4a,wav,opus", Type: conf.TypeText, Group: model.PREVIEW, Flag: model.PRIVATE},
-		{Key: "video_types", Value: "mp4,mkv,avi,mov,rmvb,webm,flv", Type: conf.TypeText, Group: model.PREVIEW, Flag: model.PRIVATE},
-		{Key: "proxy_types", Value: "m3u8", Type: conf.TypeText, Group: model.PREVIEW, Flag: model.PRIVATE},
-		{Key: "pdf_viewer_url", Value: "https://alist-org.github.io/pdf.js/web/viewer.html?file=$url", Type: conf.TypeString, Group: model.PREVIEW},
-		{Key: "audio_autoplay", Value: "true", Type: conf.TypeBool, Group: model.PREVIEW},
-		{Key: "video_autoplay", Value: "true", Type: conf.TypeBool, Group: model.PREVIEW},
+		{Key: conf.TextTypes, Value: "txt,htm,html,xml,java,properties,sql,js,md,json,conf,ini,vue,php,py,bat,gitignore,yml,go,sh,c,cpp,h,hpp,tsx,vtt,srt,ass,rs,lrc", Type: conf.TypeText, Group: model.PREVIEW, Flag: model.PRIVATE},
+		{Key: conf.AudioTypes, Value: "mp3,flac,ogg,m4a,wav,opus", Type: conf.TypeText, Group: model.PREVIEW, Flag: model.PRIVATE},
+		{Key: conf.VideoTypes, Value: "mp4,mkv,avi,mov,rmvb,webm,flv", Type: conf.TypeText, Group: model.PREVIEW, Flag: model.PRIVATE},
+		{Key: conf.ProxyTypes, Value: "m3u8", Type: conf.TypeText, Group: model.PREVIEW, Flag: model.PRIVATE},
+		{Key: conf.PdfViewerUrl, Value: "https://alist-org.github.io/pdf.js/web/viewer.html?file=$url", Type: conf.TypeString, Group: model.PREVIEW},
+		{Key: conf.AudioAutoplay, Value: "true", Type: conf.TypeBool, Group: model.PREVIEW},
+		{Key: conf.VideoAutoplay, Value: "true", Type: conf.TypeBool, Group: model.PREVIEW},
 		// global settings
-		{Key: "hide_files", Value: "/\\/README.md/i", Type: conf.TypeText, Group: model.GLOBAL},
-		{Key: "global_readme", Value: "This is global readme", Type: conf.TypeText, Group: model.GLOBAL},
-		{Key: "customize_head", Type: conf.TypeText, Group: model.GLOBAL, Flag: model.PRIVATE},
-		{Key: "customize_body", Type: conf.TypeText, Group: model.GLOBAL, Flag: model.PRIVATE},
-		{Key: "link_expiration", Value: "0", Type: conf.TypeNumber, Group: model.GLOBAL, Flag: model.PRIVATE},
+		{Key: conf.HideFiles, Value: "/\\/README.md/i", Type: conf.TypeText, Group: model.GLOBAL},
+		{Key: conf.GlobalReadme, Value: "This is global readme", Type: conf.TypeText, Group: model.GLOBAL},
+		{Key: conf.CustomizeHead, Type: conf.TypeText, Group: model.GLOBAL, Flag: model.PRIVATE},
+		{Key: conf.CustomizeBody, Type: conf.TypeText, Group: model.GLOBAL, Flag: model.PRIVATE},
+		{Key: conf.LinkExpiration, Value: "0", Type: conf.TypeNumber, Group: model.GLOBAL, Flag: model.PRIVATE},
 		// single settings
-		{Key: "token", Value: token, Type: conf.TypeString, Group: model.SINGLE, Flag: model.PRIVATE},
+		{Key: conf.Token, Value: token, Type: conf.TypeString, Group: model.SINGLE, Flag: model.PRIVATE},
 	}
 }

internal/conf/const.go

@@ -7,3 +7,26 @@ const (
 	TypeText   = "text"
 	TypeNumber = "number"
 )
+
+const (
+	VERSION        = "version"
+	BaseUrl        = "base_url"
+	SiteTitle      = "site_title"
+	SiteLogo       = "site_logo"
+	Favicon        = "favicon"
+	Announcement   = "announcement"
+	IconColor      = "icon_color"
+	TextTypes      = "text_types"
+	AudioTypes     = "audio_types"
+	VideoTypes     = "video_types"
+	ProxyTypes     = "proxy_types"
+	PdfViewerUrl   = "pdf_viewer_url"
+	AudioAutoplay  = "audio_autoplay"
+	VideoAutoplay  = "video_autoplay"
+	HideFiles      = "hide_files"
+	GlobalReadme   = "global_readme"
+	CustomizeHead  = "customize_head"
+	CustomizeBody  = "customize_body"
+	LinkExpiration = "link_expiration"
+	Token          = "token"
+)

internal/model/link.go

@@ -12,8 +12,8 @@ type LinkArgs struct {
 }
 
 type Link struct {
-	URL        string
-	Header     http.Header    // needed header
+	URL        string         `json:"url"`
+	Header     http.Header    `json:"header"` // needed header
 	Data       io.ReadCloser  // return file reader directly
 	Status     int            // status maybe 200 or 206, etc
 	FilePath   *string        // local file, return the filepath

internal/sign/sign.go

@@ -1,6 +1,7 @@
 package sign
 
 import (
+	"github.com/alist-org/alist/v3/internal/conf"
 	"github.com/alist-org/alist/v3/internal/setting"
 	"github.com/alist-org/alist/v3/pkg/sign"
 	"sync"
@@ -11,7 +12,7 @@ var once sync.Once
 var instance sign.Sign
 
 func Sign(data string) string {
-	expire := setting.GetIntSetting("link_expiration", 0)
+	expire := setting.GetIntSetting(conf.LinkExpiration, 0)
 	if expire == 0 {
 		return NotExpired(data)
 	} else {
@@ -35,5 +36,5 @@ func Verify(data string, sign string) error {
 }
 
 func Instance() {
-	instance = sign.NewHMACSign([]byte(setting.GetByKey("token")))
+	instance = sign.NewHMACSign([]byte(setting.GetByKey(conf.Token)))
 }

server/common/base.go

@@ -0,0 +1,18 @@
+package common
+
+import (
+	"fmt"
+	"github.com/alist-org/alist/v3/internal/conf"
+	"github.com/alist-org/alist/v3/internal/setting"
+	"net/http"
+	"strings"
+)
+
+func GetBaseUrl(r *http.Request) string {
+	baseUrl := setting.GetByKey(conf.BaseUrl)
+	if baseUrl == "" {
+		baseUrl = fmt.Sprintf("//%s", r.Host)
+	}
+	strings.TrimSuffix(baseUrl, "/")
+	return baseUrl
+}

server/controllers/down.go

@@ -2,6 +2,7 @@ package controllers
 
 import (
 	"fmt"
+	"github.com/alist-org/alist/v3/internal/conf"
 	"github.com/alist-org/alist/v3/internal/sign"
 	stdpath "path"
 	"strings"
@@ -84,7 +85,7 @@ func shouldProxy(account driver.Driver, filename string) bool {
 	if account.Config().MustProxy() || account.GetAccount().WebProxy {
 		return true
 	}
-	proxyTypes := setting.GetByKey("proxy_types")
+	proxyTypes := setting.GetByKey(conf.ProxyTypes)
 	if strings.Contains(proxyTypes, utils.Ext(filename)) {
 		return true
 	}
@@ -102,11 +103,11 @@ func canProxy(account driver.Driver, filename string) bool {
 	if account.Config().MustProxy() || account.GetAccount().WebProxy {
 		return true
 	}
-	proxyTypes := setting.GetByKey("proxy_types")
+	proxyTypes := setting.GetByKey(conf.ProxyTypes)
 	if strings.Contains(proxyTypes, utils.Ext(filename)) {
 		return true
 	}
-	textTypes := setting.GetByKey("text_types")
+	textTypes := setting.GetByKey(conf.TextTypes)
 	if strings.Contains(textTypes, utils.Ext(filename)) {
 		return true
 	}

server/controllers/fsmanage.go

@@ -4,19 +4,20 @@ import (
 	"fmt"
 	"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/server/common"
 	"github.com/gin-gonic/gin"
 	stdpath "path"
 	"strconv"
 	"time"
 )
 
-type MkdirReq struct {
-	Path string `json:"path"`
+type MkdirOrLinkReq struct {
+	Path string `json:"path" form:"path"`
 }
 
 func FsMkdir(c *gin.Context) {
-	var req MkdirReq
+	var req MkdirOrLinkReq
 	if err := c.ShouldBind(&req); err != nil {
 		common.ErrorResp(c, err, 400)
 		return
@@ -162,3 +163,32 @@ func FsPut(c *gin.Context) {
 	}
 	common.SuccessResp(c)
 }
+
+// Link return real link, just for proxy program
+func Link(c *gin.Context) {
+	var req MkdirOrLinkReq
+	if err := c.ShouldBind(&req); err != nil {
+		common.ErrorResp(c, err, 400)
+		return
+	}
+	user := c.MustGet("user").(*model.User)
+	rawPath := stdpath.Join(user.BasePath, req.Path)
+	account, err := fs.GetAccount(rawPath)
+	if err != nil {
+		common.ErrorResp(c, err, 500)
+		return
+	}
+	if account.Config().OnlyLocal {
+		common.SuccessResp(c, model.Link{
+			URL: fmt.Sprintf("%s/p%s?d&sign=%s", common.GetBaseUrl(c.Request), req.Path, sign.Sign(stdpath.Base(rawPath))),
+		})
+		return
+	}
+	link, _, err := fs.Link(c, rawPath, model.LinkArgs{IP: c.ClientIP()})
+	if err != nil {
+		common.ErrorResp(c, err, 500)
+		return
+	}
+	common.SuccessResp(c, link)
+	return
+}

server/controllers/fslist.go → server/controllers/fsread.go

@@ -8,7 +8,6 @@ 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/setting"
 	"github.com/alist-org/alist/v3/pkg/utils"
 	"github.com/alist-org/alist/v3/server/common"
 	"github.com/gin-gonic/gin"
@@ -61,9 +60,8 @@ func FsList(c *gin.Context) {
 		return
 	}
 	total, objs := pagination(objs, &req.PageReq)
-	baseURL := setting.GetByKey("base_url", c.Request.Host)
 	common.SuccessResp(c, FsListResp{
-		Content: toObjResp(objs, req.Path, baseURL),
+		Content: toObjResp(objs),
 		Total:   int64(total),
 	})
 }
@@ -99,7 +97,7 @@ func pagination(objs []model.Obj, req *common.PageReq) (int, []model.Obj) {
 	return total, objs[start:end]
 }
 
-func toObjResp(objs []model.Obj, path string, baseURL string) []ObjResp {
+func toObjResp(objs []model.Obj) []ObjResp {
 	var resp []ObjResp
 	for _, obj := range objs {
 		resp = append(resp, ObjResp{
@@ -112,3 +110,50 @@ func toObjResp(objs []model.Obj, path string, baseURL string) []ObjResp {
 	}
 	return resp
 }
+
+type FsGetReq struct {
+	Path     string `json:"path" form:"path"`
+	Password string `json:"password" form:"password"`
+}
+
+type FsGetResp struct {
+	ObjResp
+	RawURL string `json:"raw_url"`
+}
+
+func FsGet(c *gin.Context) {
+	var req FsGetReq
+	if err := c.ShouldBind(&req); err != nil {
+		common.ErrorResp(c, err, 400)
+		return
+	}
+	user := c.MustGet("user").(*model.User)
+	req.Path = stdpath.Join(user.BasePath, req.Path)
+	meta, err := db.GetNearestMeta(req.Path)
+	if err != nil {
+		if !errors.Is(errors.Cause(err), errs.MetaNotFound) {
+			common.ErrorResp(c, err, 500)
+			return
+		}
+	}
+	c.Set("meta", meta)
+	if !canAccess(user, meta, req.Path, req.Password) {
+		common.ErrorStrResp(c, "password is incorrect", 401)
+		return
+	}
+	obj, err := fs.Get(c, req.Path)
+	if err != nil {
+		common.ErrorResp(c, err, 500)
+		return
+	}
+	common.SuccessResp(c, FsGetResp{
+		ObjResp: ObjResp{
+			Name:     obj.GetName(),
+			Size:     obj.GetSize(),
+			IsDir:    obj.IsDir(),
+			Modified: obj.ModTime(),
+			Sign:     common.Sign(obj),
+		},
+		// TODO: set raw url
+	})
+}

server/middlewares/auth.go

@@ -1,6 +1,7 @@
 package middlewares
 
 import (
+	"github.com/alist-org/alist/v3/internal/conf"
 	"github.com/alist-org/alist/v3/internal/db"
 	"github.com/alist-org/alist/v3/internal/model"
 	"github.com/alist-org/alist/v3/internal/setting"
@@ -12,7 +13,7 @@ import (
 // if token is empty, set user to guest
 func Auth(c *gin.Context) {
 	token := c.GetHeader("Authorization")
-	if token == setting.GetByKey("token") {
+	if token == setting.GetByKey(conf.Token) {
 		admin, err := db.GetAdmin()
 		if err != nil {
 			common.ErrorResp(c, err, 500)
@@ -59,3 +60,13 @@ func AuthAdmin(c *gin.Context) {
 		c.Next()
 	}
 }
+
+func AuthWrite(c *gin.Context) {
+	user := c.MustGet("user").(*model.User)
+	if !user.IsAdmin() && user.ReadOnly {
+		common.ErrorStrResp(c, "You have no write access", 403)
+		c.Abort()
+	} else {
+		c.Next()
+	}
+}