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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| package common | ||
|
|
||
| import ( | ||
| "github.com/alist-org/alist/v3/internal/model" | ||
| "github.com/alist-org/alist/v3/internal/sign" | ||
| ) | ||
|
|
||
| func Sign(obj model.Obj) string { | ||
| if obj.IsDir() { | ||
| return "" | ||
| } | ||
| return sign.Sign(obj.GetName()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,101 +1,114 @@ | ||
| package controllers | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/alist-org/alist/v3/internal/sign" | ||
| stdpath "path" | ||
| "strings" | ||
|
|
||
| "github.com/alist-org/alist/v3/internal/db" | ||
| "github.com/alist-org/alist/v3/internal/driver" | ||
| "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/internal/sign" | ||
| "github.com/alist-org/alist/v3/pkg/utils" | ||
| "github.com/alist-org/alist/v3/server/common" | ||
| "github.com/gin-gonic/gin" | ||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| func Down(c *gin.Context) { | ||
| rawPath := parsePath(c.Param("path")) | ||
| rawPath := c.MustGet("path").(string) | ||
| filename := stdpath.Base(rawPath) | ||
| meta, err := db.GetNearestMeta(rawPath) | ||
| account, err := fs.GetAccount(rawPath) | ||
| if err != nil { | ||
| if !errors.Is(errors.Cause(err), errs.MetaNotFound) { | ||
| common.ErrorResp(c, err, 500, true) | ||
| return | ||
| } | ||
| common.ErrorResp(c, err, 500) | ||
| return | ||
| } | ||
| // verify sign | ||
| if needSign(meta, rawPath) { | ||
| s := c.Param("sign") | ||
| err = sign.Verify(filename, s) | ||
| if shouldProxy(account, filename) { | ||
| Proxy(c) | ||
| return | ||
| } else { | ||
| link, _, err := fs.Link(c, rawPath, model.LinkArgs{ | ||
| IP: c.ClientIP(), | ||
| Header: c.Request.Header, | ||
| }) | ||
| if err != nil { | ||
| common.ErrorResp(c, err, 401) | ||
| common.ErrorResp(c, err, 500) | ||
| return | ||
| } | ||
| c.Redirect(302, link.URL) | ||
| } | ||
| } | ||
|
|
||
| func Proxy(c *gin.Context) { | ||
| rawPath := c.MustGet("path").(string) | ||
| filename := stdpath.Base(rawPath) | ||
| account, err := fs.GetAccount(rawPath) | ||
| if err != nil { | ||
| common.ErrorResp(c, err, 500) | ||
| return | ||
| } | ||
| if needProxy(account, filename) { | ||
| link, err := fs.Link(c, rawPath, model.LinkArgs{ | ||
| if canProxy(account, filename) { | ||
| downProxyUrl := account.GetAccount().DownProxyUrl | ||
| if downProxyUrl != "" { | ||
| _, ok := c.GetQuery("d") | ||
| if ok { | ||
| URL := fmt.Sprintf("%s%s?sign=%s", strings.Split(downProxyUrl, "\n")[0], rawPath, sign.Sign(filename)) | ||
| c.Redirect(302, URL) | ||
| return | ||
| } | ||
| } | ||
| link, file, err := fs.Link(c, rawPath, model.LinkArgs{ | ||
| Header: c.Request.Header, | ||
| }) | ||
| if err != nil { | ||
| common.ErrorResp(c, err, 500) | ||
| return | ||
| } | ||
| obj, err := fs.Get(c, rawPath) | ||
| if err != nil { | ||
| common.ErrorResp(c, err, 500) | ||
| return | ||
| } | ||
| err = common.Proxy(c.Writer, c.Request, link, obj) | ||
| err = common.Proxy(c.Writer, c.Request, link, file) | ||
| if err != nil { | ||
| common.ErrorResp(c, err, 500, true) | ||
| return | ||
| } | ||
| } else { | ||
| link, err := fs.Link(c, rawPath, model.LinkArgs{ | ||
| IP: c.ClientIP(), | ||
| Header: c.Request.Header, | ||
| }) | ||
| if err != nil { | ||
| common.ErrorResp(c, err, 500) | ||
| return | ||
| } | ||
| c.Redirect(302, link.URL) | ||
| common.ErrorStrResp(c, "proxy not allowed", 403) | ||
| return | ||
| } | ||
| } | ||
|
|
||
| // TODO: implement | ||
| // path maybe contains # ? etc. | ||
| func parsePath(path string) string { | ||
| return utils.StandardizePath(path) | ||
| } | ||
|
|
||
| func needSign(meta *model.Meta, path string) bool { | ||
| if meta == nil || meta.Password == "" { | ||
| return false | ||
| // TODO need optimize | ||
| // when should be proxy? | ||
| // 1. config.MustProxy() | ||
| // 2. account.WebProxy | ||
| // 3. proxy_types | ||
| func shouldProxy(account driver.Driver, filename string) bool { | ||
| if account.Config().MustProxy() || account.GetAccount().WebProxy { | ||
| return true | ||
| } | ||
| if !meta.SubFolder && path != meta.Path { | ||
| return false | ||
| proxyTypes := setting.GetByKey("proxy_types") | ||
| if strings.Contains(proxyTypes, utils.Ext(filename)) { | ||
| return true | ||
| } | ||
| return true | ||
| return false | ||
| } | ||
|
|
||
| func needProxy(account driver.Driver, filename string) bool { | ||
| config := account.Config() | ||
| if config.MustProxy() { | ||
| // TODO need optimize | ||
| // when can be proxy? | ||
| // 1. text file | ||
| // 2. config.MustProxy() | ||
| // 3. account.WebProxy | ||
| // 4. proxy_types | ||
| // solution: text_file + shouldProxy() | ||
| func canProxy(account driver.Driver, filename string) bool { | ||
| if account.Config().MustProxy() || account.GetAccount().WebProxy { | ||
| return true | ||
| } | ||
| proxyTypes := setting.GetByKey("proxy_types") | ||
| if strings.Contains(proxyTypes, utils.Ext(filename)) { | ||
| return true | ||
| } | ||
| textTypes := setting.GetByKey("text_types") | ||
| if strings.Contains(textTypes, utils.Ext(filename)) { | ||
| return true | ||
| } | ||
| return false | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package middlewares | ||
|
|
||
| import ( | ||
| "github.com/alist-org/alist/v3/internal/db" | ||
| "github.com/alist-org/alist/v3/internal/errs" | ||
| "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" | ||
| "github.com/gin-gonic/gin" | ||
| "github.com/pkg/errors" | ||
| stdpath "path" | ||
| ) | ||
|
|
||
| func Down(c *gin.Context) { | ||
| rawPath := parsePath(c.Param("path")) | ||
| c.Set("path", rawPath) | ||
| filename := stdpath.Base(rawPath) | ||
| meta, err := db.GetNearestMeta(rawPath) | ||
| if err != nil { | ||
| if !errors.Is(errors.Cause(err), errs.MetaNotFound) { | ||
| common.ErrorResp(c, err, 500, true) | ||
| return | ||
| } | ||
| } | ||
| c.Set("meta", meta) | ||
| // verify sign | ||
| if needSign(meta, rawPath) { | ||
| s := c.Param("sign") | ||
| err = sign.Verify(filename, s) | ||
| if err != nil { | ||
| common.ErrorResp(c, err, 401) | ||
| c.Abort() | ||
| return | ||
| } | ||
| } | ||
| c.Next() | ||
| } | ||
|
|
||
| // TODO: implement | ||
| // path maybe contains # ? etc. | ||
| func parsePath(path string) string { | ||
| return utils.StandardizePath(path) | ||
| } | ||
|
|
||
| func needSign(meta *model.Meta, path string) bool { | ||
| if meta == nil || meta.Password == "" { | ||
| return false | ||
| } | ||
| if !meta.SubFolder && path != meta.Path { | ||
| return false | ||
| } | ||
| return true | ||
| } |
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