117 lines
2.8 KiB
Go
117 lines
2.8 KiB
Go
package filemanager
|
|
|
|
import (
|
|
"net/http"
|
|
"regexp"
|
|
"strings"
|
|
|
|
rice "github.com/GeertJohan/go.rice"
|
|
|
|
"golang.org/x/net/webdav"
|
|
)
|
|
|
|
// Config is a configuration for browsing in a particular path.
|
|
type Config struct {
|
|
*User
|
|
PrefixURL string // A part of the URL that is stripped from the http.Request
|
|
BaseURL string // The base URL of FileManager interface
|
|
WebDavURL string // The URL of WebDAV
|
|
Users map[string]*User
|
|
BeforeSave Command
|
|
AfterSave Command
|
|
Assets struct {
|
|
Templates *rice.Box
|
|
Static *rice.Box
|
|
}
|
|
}
|
|
|
|
// New creates a new FileManager object with the default settings
|
|
// for a certain scope.
|
|
func New(scope string) *Config {
|
|
cfg := &Config{
|
|
User: &User{
|
|
Scope: scope,
|
|
FileSystem: webdav.Dir(scope),
|
|
AllowCommands: true,
|
|
AllowEdit: true,
|
|
AllowNew: true,
|
|
Commands: []string{"git", "svn", "hg"},
|
|
Rules: []*Rule{{
|
|
Regex: true,
|
|
Allow: false,
|
|
Regexp: regexp.MustCompile("\\/\\..+"),
|
|
}},
|
|
},
|
|
Users: map[string]*User{},
|
|
BaseURL: "",
|
|
PrefixURL: "",
|
|
WebDavURL: "/webdav",
|
|
BeforeSave: func(r *http.Request, c *Config, u *User) error { return nil },
|
|
AfterSave: func(r *http.Request, c *Config, u *User) error { return nil },
|
|
}
|
|
|
|
cfg.Handler = &webdav.Handler{
|
|
Prefix: cfg.WebDavURL,
|
|
FileSystem: cfg.FileSystem,
|
|
LockSystem: webdav.NewMemLS(),
|
|
}
|
|
|
|
return cfg
|
|
}
|
|
|
|
// AbsoluteURL ...
|
|
func (c Config) AbsoluteURL() string {
|
|
return c.PrefixURL + c.BaseURL
|
|
}
|
|
|
|
// AbsoluteWebdavURL ...
|
|
func (c Config) AbsoluteWebdavURL() string {
|
|
return c.PrefixURL + c.WebDavURL
|
|
}
|
|
|
|
// Rule is a dissalow/allow rule
|
|
type Rule struct {
|
|
Regex bool
|
|
Allow bool
|
|
Path string
|
|
Regexp *regexp.Regexp
|
|
}
|
|
|
|
// User contains the configuration for each user
|
|
type User struct {
|
|
Scope string `json:"-"` // Path the user have access
|
|
FileSystem webdav.FileSystem `json:"-"` // The virtual file system the user have access
|
|
Handler *webdav.Handler `json:"-"` // The WebDav HTTP Handler
|
|
StyleSheet string `json:"-"` // Costum stylesheet
|
|
Rules []*Rule `json:"-"` // Access rules
|
|
AllowNew bool // Can create files and folders
|
|
AllowEdit bool // Can edit/rename files
|
|
AllowCommands bool // Can execute commands
|
|
Commands []string // Available Commands
|
|
}
|
|
|
|
// Allowed checks if the user has permission to access a directory/file
|
|
func (u User) Allowed(url string) bool {
|
|
var rule *Rule
|
|
i := len(u.Rules) - 1
|
|
|
|
for i >= 0 {
|
|
rule = u.Rules[i]
|
|
|
|
if rule.Regex {
|
|
if rule.Regexp.MatchString(url) {
|
|
return rule.Allow
|
|
}
|
|
} else if strings.HasPrefix(url, rule.Path) {
|
|
return rule.Allow
|
|
}
|
|
|
|
i--
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// Command is a user-defined command that is executed in some moments.
|
|
type Command func(r *http.Request, c *Config, u *User) error
|