aboutsummaryrefslogtreecommitdiffstats
path: root/global-functions
blob: 909e38193104b170c4d35d411134f770a5d85e1a (about) (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
#!rsc
# RouterOS script: global-functions
# Copyright (c) 2013-2019 Christian Hesse <mail@eworm.de>
#
# global functions

# read input from user
:global Read do={
  :return;
}

# url encoding
:global UrlEncode do={
  :local input [ :tostr $1 ];
  :local return "";

  :if ([ :len $input ] > 0) do={
    :local chars " %&";
    :local subs { "%20"; "%25"; "%26" };

    :for i from=0 to=([ :len $input ] - 1) do={
      :local char [ :pick $input $i ];
      :local replace [ :find $chars $char ];

      :if ([ :len $replace ] > 0) do={
        :set char ($subs->$replace);
      }
      :set return ($return . $char);
    }
  }

  :return $return;
}

# check and import required certificates
:global CertificateAvailable do={
  :local commonname [ :tostr $1 ];
  :local filename ([ :tostr $2 ] . ".pem");

  :global "script-updates-baseurl";
  :global "script-updates-urlsuffix";

  :if ([ / certificate print count-only where common-name=$commonname ] = 0) do={
    :log info ("Certificate with CommonName " . $commonname . \
      " not available, downloading and importing.");
    :do {
      / tool fetch check-certificate=yes-without-crl \
        ($"script-updates-baseurl" . "certs/" . \
        $filename . $"script-updates-urlsuffix") \
        dst-path=$filename;
      / certificate import file-name=$filename passphrase="";
    } on-error={
      :log warning "Failed imprting certificate!";
    }
  }
}

# send notification via e-mail and telegram
# Note that attachment is ignored for telegram!
:global SendNotification do={
  :local subject [ :tostr $1 ];
  :local message [ :tostr $2 ];
  :local attach [ :tostr $3 ];

  :global "identity";
  :global "email-general-to";
  :global "email-general-cc";
  :global "telegram-tokenid";
  :global "telegram-chatid";

  :global UrlEncode;
  :global CertificateAvailable;

  :if ([ :len $"email-general-to" ] > 0) do={
    :do {
      / tool e-mail send to=$"email-general-to" cc=$"email-general-cc" \
        subject=("[" . $"identity" . "] " . $subject) body=$message file=$attach;
    } on-error={
      :log warning "Failed sending notification mail!";
    }
  }

  :if ([ :len $"telegram-tokenid" ] > 0 && [ :len $"telegram-chatid" ] > 0) do={
    $CertificateAvailable "Go Daddy Secure Certificate Authority - G2" "godaddy";
    :do {
      / tool fetch check-certificate=yes-without-crl keep-result=no http-method=post \
        ("https://api.telegram.org/bot" . $"telegram-tokenid" . "/sendMessage") \
        http-data=("chat_id=" . $"telegram-chatid" . "&text=" . \
        [ $UrlEncode ("[" . $"identity" . "] " . $subject . "\n\n" . $message) ]);
    } on-error={
      :log warning "Failed sending telegram notification!";
    }
  }
}

# get MAC vendor
:global GetMacVendor do={
  :local mac [ :tostr $1 ];

  :global CertificateAvailable;

  :do {
    :local vendor;
    $CertificateAvailable "Let's Encrypt Authority X3" "letsencrypt";
    :set vendor ([ / tool fetch mode=https check-certificate=yes-without-crl \
      url=("https://api.macvendors.com/" . [ :pick $mac 0 8 ]) output=user as-value ]->"data");
    :return $vendor;
  } on-error={
    :return "unknown vendor";
  }
}

# download package from upgrade server
:global DownloadPackage do={
  :local pkgname [ :tostr $1 ];
  :local pkgver  [ :tostr $2 ];
  :local pkgarch [ :tostr $3 ];
  :local pkgdest [ :tostr $4 ];

  :global CertificateAvailable;

  :if ([ :len $pkgname ] = 0) do={ return false; }
  :if ([ :len $pkgver  ] = 0) do={ :set pkgver  [ / system package update get installed-version ]; }
  :if ([ :len $pkgarch ] = 0) do={ :set pkgarch [ / system resource get architecture-name ]; }

  $CertificateAvailable "Let's Encrypt Authority X3" "letsencrypt";
  do {
    :local pkgfile ($pkgname . "-" . $pkgver . "-" . $pkgarch . ".npk");
    / tool fetch mode=https check-certificate=yes-without-crl \
      ("https://upgrade.mikrotik.com/routeros/" . $pkgver . "/" . $pkgfile) \
      dst-path=($pkgdest . "/" . $pkgfile);
    return true;
  } on-error={
    return false;
  }
}