118 lines
2.4 KiB
Go
118 lines
2.4 KiB
Go
package filemanager
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import (
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"github.com/gorilla/websocket"
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)
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type searchOptions struct {
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CaseInsensitive bool
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Terms []string
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}
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func parseSearch(value string) *searchOptions {
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opts := &searchOptions{
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CaseInsensitive: strings.Contains(value, "case:insensitive"),
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}
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// removes the options from the value
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value = strings.Replace(value, "case:insensitive", "", -1)
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value = strings.Replace(value, "case:sensitive", "", -1)
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value = strings.TrimSpace(value)
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if opts.CaseInsensitive {
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value = strings.ToLower(value)
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}
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// if the value starts with " and finishes what that character, we will
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// only search for that term
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if value[0] == '"' && value[len(value)-1] == '"' {
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unique := strings.TrimPrefix(value, "\"")
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unique = strings.TrimSuffix(unique, "\"")
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opts.Terms = []string{unique}
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return opts
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}
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opts.Terms = strings.Split(value, " ")
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return opts
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}
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// search searches for a file or directory.
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func search(w http.ResponseWriter, r *http.Request, c *FileManager, u *User) (int, error) {
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// Upgrades the connection to a websocket and checks for errors.
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conn, err := upgrader.Upgrade(w, r, nil)
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if err != nil {
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return 0, err
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}
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defer conn.Close()
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var (
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value string
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search *searchOptions
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message []byte
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)
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// Starts an infinite loop until a valid command is captured.
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for {
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_, message, err = conn.ReadMessage()
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if err != nil {
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return http.StatusInternalServerError, err
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}
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if len(message) != 0 {
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value = string(message)
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break
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}
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}
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search = parseSearch(value)
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scope := strings.Replace(r.URL.Path, c.BaseURL, "", 1)
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scope = strings.TrimPrefix(scope, "/")
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scope = "/" + scope
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scope = u.scope + scope
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scope = strings.Replace(scope, "\\", "/", -1)
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scope = filepath.Clean(scope)
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err = filepath.Walk(scope, func(path string, f os.FileInfo, err error) error {
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if search.CaseInsensitive {
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path = strings.ToLower(path)
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}
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path = strings.Replace(path, "\\", "/", -1)
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is := false
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for _, term := range search.Terms {
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if is {
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break
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}
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if strings.Contains(path, term) {
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if !u.Allowed(path) {
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return nil
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}
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is = true
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}
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}
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if !is {
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return nil
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}
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path = strings.TrimPrefix(path, scope)
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path = strings.TrimPrefix(path, "/")
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return conn.WriteMessage(websocket.TextMessage, []byte(path))
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})
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if err != nil {
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return http.StatusInternalServerError, err
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}
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return http.StatusOK, nil
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}
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