100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
package filemanager
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import (
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"net/http"
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"regexp"
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"strings"
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rice "github.com/GeertJohan/go.rice"
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"golang.org/x/net/webdav"
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)
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// FileManager is a file manager instance.
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type FileManager struct {
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*User `json:"-"`
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Assets *Assets `json:"-"`
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// PrefixURL is a part of the URL that is trimmed from the http.Request.URL before
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// it arrives to our handlers. It may be useful when using FileManager as a middleware
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// such as in caddy-filemanager plugin.
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PrefixURL string
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// BaseURL is the path where the GUI will be accessible.
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BaseURL string
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// WebDavURL is the path where the WebDAV will be accessible. It can be set to "/"
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// in order to override the GUI and only use the WebDAV.
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WebDavURL string
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// Users is a map with the different configurations for each user.
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Users map[string]*User `json:"-"`
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// TODO: event-based?
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BeforeSave CommandFunc `json:"-"`
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AfterSave CommandFunc `json:"-"`
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}
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// User contains the configuration for each user.
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type User struct {
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Scope string `json:"-"` // Path the user have access
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FileSystem webdav.FileSystem `json:"-"` // The virtual file system the user have access
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Handler *webdav.Handler `json:"-"` // The WebDav HTTP Handler
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Rules []*Rule `json:"-"` // Access rules
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StyleSheet string `json:"-"` // Costum stylesheet
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AllowNew bool // Can create files and folders
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AllowEdit bool // Can edit/rename files
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AllowCommands bool // Can execute commands
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Commands []string // Available Commands
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}
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// Assets are the static and front-end assets, such as JS, CSS and HTML templates.
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type Assets struct {
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requiredJS rice.Box // JS that is always required to have in order to be usable.
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Templates rice.Box
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CSS rice.Box
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JS rice.Box
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}
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// Rule is a dissalow/allow rule.
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type Rule struct {
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Regex bool
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Allow bool
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Path string
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Regexp *regexp.Regexp
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}
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// CommandFunc ...
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type CommandFunc func(r *http.Request, c *FileManager, u *User) error
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// AbsoluteURL ...
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func (m FileManager) AbsoluteURL() string {
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return m.PrefixURL + m.BaseURL
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}
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// AbsoluteWebdavURL ...
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func (m FileManager) AbsoluteWebdavURL() string {
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return m.PrefixURL + m.WebDavURL
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}
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// Allowed checks if the user has permission to access a directory/file.
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func (u User) Allowed(url string) bool {
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var rule *Rule
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i := len(u.Rules) - 1
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for i >= 0 {
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rule = u.Rules[i]
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if rule.Regex {
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if rule.Regexp.MatchString(url) {
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return rule.Allow
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}
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} else if strings.HasPrefix(url, rule.Path) {
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return rule.Allow
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}
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i--
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}
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return true
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}
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