| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package httpcheck |
| 4 | |
| 5 | import ( |
| 6 | "bufio" |
| 7 | "fmt" |
| 8 | "net/http" |
| 9 | "net/http/cookiejar" |
| 10 | "net/url" |
| 11 | "os" |
| 12 | "strconv" |
| 13 | "strings" |
| 14 | "time" |
| 15 | |
| 16 | "golang.org/x/net/publicsuffix" |
| 17 | ) |
| 18 | |
| 19 | // TODO: implement proper cookie auth support |
| 20 | // relevant forum topic: https://community.netdata.cloud/t/howto-http-endpoint-collector-with-cookie-and-user-pass/3981/5?u=ilyam8 |
| 21 | |
| 22 | // cookie file format: https://everything.curl.dev/http/cookies/fileformat |
| 23 | func loadCookieJar(path string) (http.CookieJar, error) { |
| 24 | file, err := os.Open(path) |
| 25 | if err != nil { |
| 26 | return nil, err |
| 27 | } |
| 28 | defer func() { _ = file.Close() }() |
| 29 | |
| 30 | jar, err := cookiejar.New(&cookiejar.Options{PublicSuffixList: publicsuffix.List}) |
| 31 | if err != nil { |
| 32 | return nil, err |
| 33 | } |
| 34 | |
| 35 | sc := bufio.NewScanner(file) |
| 36 | |
| 37 | for sc.Scan() { |
| 38 | line, httpOnly := strings.CutPrefix(strings.TrimSpace(sc.Text()), "#HttpOnly_") |
| 39 | |
| 40 | if strings.HasPrefix(line, "#") || line == "" { |
| 41 | continue |
| 42 | } |
| 43 | |
| 44 | parts := strings.Fields(line) |
| 45 | if len(parts) != 6 && len(parts) != 7 { |
| 46 | return nil, fmt.Errorf("got %d fields in line '%s', want 6 or 7", len(parts), line) |
| 47 | } |
| 48 | |
| 49 | for i, v := range parts { |
| 50 | parts[i] = strings.TrimSpace(v) |
| 51 | } |
| 52 | |
| 53 | cookie := &http.Cookie{ |
| 54 | Domain: parts[0], |
| 55 | Path: parts[2], |
| 56 | Name: parts[5], |
| 57 | HttpOnly: httpOnly, |
| 58 | } |
| 59 | cookie.Secure, err = strconv.ParseBool(parts[3]) |
| 60 | if err != nil { |
| 61 | return nil, err |
| 62 | } |
| 63 | expires, err := strconv.ParseInt(parts[4], 10, 64) |
| 64 | if err != nil { |
| 65 | return nil, err |
| 66 | } |
| 67 | if expires > 0 { |
| 68 | cookie.Expires = time.Unix(expires, 0) |
| 69 | } |
| 70 | if len(parts) == 7 { |
| 71 | cookie.Value = parts[6] |
| 72 | } |
| 73 | |
| 74 | scheme := "http" |
| 75 | if cookie.Secure { |
| 76 | scheme = "https" |
| 77 | } |
| 78 | cookieURL := &url.URL{ |
| 79 | Scheme: scheme, |
| 80 | Host: cookie.Domain, |
| 81 | } |
| 82 | |
| 83 | cookies := jar.Cookies(cookieURL) |
| 84 | cookies = append(cookies, cookie) |
| 85 | jar.SetCookies(cookieURL, cookies) |
| 86 | } |
| 87 | |
| 88 | return jar, nil |
| 89 | } |