plugins/auth_internal/init.php

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