plugins/auth_internal/init.php

   1 <?php
   2 class Auth_Internal extends Plugin implements IAuthModule {
   3
   4         private $link;
   5         private $host;
   6
   7         function about() {
   8                 return array(1.0,
   9                         "Authenticates against internal tt-rss database",
  10                         "fox",
  11                         true);
  12         }
  13
  14         function init($host) {
  15                 $this->link = $host->get_link();
  16                 $this->host = $host;
  17
  18                 $host->add_hook($host::HOOK_AUTH_USER, $this);
  19         }
  20
  21         function authenticate($login, $password) {
  22
  23                 $pwd_hash1 = encrypt_password($password);
  24                 $pwd_hash2 = encrypt_password($password, $login);
  25                 $login = db_escape_string($login);
  26                 $otp = db_escape_string($_REQUEST["otp"]);
  27
  28                 if (get_schema_version($this->link) > 96) {
  29                         if (!defined('AUTH_DISABLE_OTP') || !AUTH_DISABLE_OTP) {
  30                                 $result = db_query($this->link, "SELECT otp_enabled,salt FROM ttrss_users WHERE
  31                                         login = '$login'");
  32
  33                                 if (db_num_rows($result) > 0) {
  34                                         require_once "lib/otphp/vendor/base32.php";
  35                                         require_once "lib/otphp/lib/otp.php";
  36                                         require_once "lib/otphp/lib/totp.php";
  37
  38                                         $base32 = new Base32();
  39
  40                                         $otp_enabled = sql_bool_to_bool(db_fetch_result($result, 0, "otp_enabled"));
  41                                         $secret = $base32->encode(sha1(db_fetch_result($result, 0, "salt")));
  42
  43                                         $topt = new \OTPHP\TOTP($secret);
  44                                         $otp_check = $topt->now();
  45
  46                                         if ($otp_enabled) {
  47                                                 if ($otp) {
  48                                                         if ($otp != $otp_check) {
  49                                                                 return false;
  50                                                         }
  51                                                 } else {
  52                                                         $return = urlencode($_REQUEST["return"]);
  53                                                         ?><html>
  54                                                                 <head><title>Tiny Tiny RSS</title></head>
  55                                                         <body>
  56                                                         <form action="public.php?return=<?php echo $return ?>"
  57                                                                         method="POST">
  58                                                                 <input type="hidden" name="op" value="login">
  59                                                                 <input type="hidden" name="login" value="<?php echo htmlspecialchars($login) ?>">
  60                                                                 <input type="hidden" name="password" value="<?php echo htmlspecialchars($password) ?>">
  61
  62                                                                 <label><?php echo __("Please enter your one time password:") ?></label>
  63                                                                 <input type="password" size="6" name="otp"/>
  64                                                                 <input type="submit" value="Continue"/>
  65                                                         </form>
  66                                                         <script type="text/javascript">
  67                                                                 document.forms[0].otp.focus();
  68                                                         </script>
  69                                                         <?php
  70                                                         exit;
  71                                                 }
  72                                         }
  73                                 }
  74                         }
  75                 }
  76
  77                 if (get_schema_version($this->link) > 87) {
  78
  79                         $result = db_query($this->link, "SELECT salt FROM ttrss_users WHERE
  80                                 login = '$login'");
  81
  82                         if (db_num_rows($result) != 1) {
  83                                 return false;
  84                         }
  85
  86                         $salt = db_fetch_result($result, 0, "salt");
  87
  88                         if ($salt == "") {
  89
  90                                 $query = "SELECT id
  91                     FROM ttrss_users WHERE
  92                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
  93                                         pwd_hash = '$pwd_hash2')";
  94
  95                                 // verify and upgrade password to new salt base
  96
  97                                 $result = db_query($this->link, $query);
  98
  99                                 if (db_num_rows($result) == 1) {
 100                                         // upgrade password to MODE2
 101
 102                                         $salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
 103                                         $pwd_hash = encrypt_password($password, $salt, true);
 104
 105                                         db_query($this->link, "UPDATE ttrss_users SET
 106                                                 pwd_hash = '$pwd_hash', salt = '$salt' WHERE login = '$login'");
 107
 108                                         $query = "SELECT id
 109                             FROM ttrss_users WHERE
 110                                                 login = '$login' AND pwd_hash = '$pwd_hash'";
 111
 112                                 } else {
 113                                         return false;
 114                                 }
 115
 116                         } else {
 117
 118                                 $pwd_hash = encrypt_password($password, $salt, true);
 119
 120                                 $query = "SELECT id
 121                          FROM ttrss_users WHERE
 122                                         login = '$login' AND pwd_hash = '$pwd_hash'";
 123
 124                         }
 125
 126                 } else {
 127                         $query = "SELECT id
 128                  FROM ttrss_users WHERE
 129                                 login = '$login' AND (pwd_hash = '$pwd_hash1' OR
 130                                         pwd_hash = '$pwd_hash2')";
 131                 }
 132
 133                 $result = db_query($this->link, $query);
 134
 135                 if (db_num_rows($result) == 1) {
 136                         return db_fetch_result($result, 0, "id");
 137                 }
 138
 139                 return false;
 140         }
 141
 142         function check_password($owner_uid, $password) {
 143                 $owner_uid = db_escape_string($owner_uid);
 144
 145                 $result = db_query($this->link, "SELECT salt,login FROM ttrss_users WHERE
 146                         id = '$owner_uid'");
 147
 148                 $salt = db_fetch_result($result, 0, "salt");
 149                 $login = db_fetch_result($result, 0, "login");
 150
 151                 if (!$salt) {
 152                         $password_hash1 = encrypt_password($password);
 153                         $password_hash2 = encrypt_password($password, $login);
 154
 155                         $query = "SELECT id FROM ttrss_users WHERE
 156                                 id = '$owner_uid' AND (pwd_hash = '$password_hash1' OR
 157                                 pwd_hash = '$password_hash2')";
 158
 159                 } else {
 160                         $password_hash = encrypt_password($password, $salt, true);
 161
 162                         $query = "SELECT id FROM ttrss_users WHERE
 163                                 id = '$owner_uid' AND pwd_hash = '$password_hash'";
 164                 }
 165
 166                 $result = db_query($this->link, $query);
 167
 168                 return db_num_rows($result) != 0;
 169         }
 170
 171         function change_password($owner_uid, $old_password, $new_password) {
 172                 $owner_uid = db_escape_string($owner_uid);
 173
 174                 if ($this->check_password($owner_uid, $old_password)) {
 175
 176                         $new_salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
 177                         $new_password_hash = encrypt_password($new_password, $new_salt, true);
 178
 179                         db_query($this->link, "UPDATE ttrss_users SET
 180                                 pwd_hash = '$new_password_hash', salt = '$new_salt', otp_enabled = false
 181                                         WHERE id = '$owner_uid'");
 182
 183                         $_SESSION["pwd_hash"] = $new_password_hash;
 184
 185                         return __("Password has been changed.");
 186                 } else {
 187                         return "ERROR: ".__('Old password is incorrect.');
 188                 }
 189         }
 190 }
 191 ?>