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                 $login = db_escape_string($this->link, $login);
  26                 $otp = db_escape_string($this->link, $_REQUEST["otp"]);
  27
  28                 if (get_schema_version($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                                                                 <?php echo stylesheet_tag("utility.css") ?>
  56                                                         <body class="otp"><div class="content">
  57                                                         <form action="public.php?return=<?php echo $return ?>"
  58                                                                         method="POST" class="otpform">
  59                                                                 <input type="hidden" name="op" value="login">
  60                                                                 <input type="hidden" name="login" value="<?php echo htmlspecialchars($login) ?>">
  61                                                                 <input type="hidden" name="password" value="<?php echo htmlspecialchars($password) ?>">
  62
  63                                                                 <label><?php echo __("Please enter your one time password:") ?></label>
  64                                                                 <input autocomplete="off" size="6" name="otp" value=""/>
  65                                                                 <input type="submit" value="Continue"/>
  66                                                         </form></div>
  67                                                         <script type="text/javascript">
  68                                                                 document.forms[0].otp.focus();
  69                                                         </script>
  70                                                         <?php
  71                                                         exit;
  72                                                 }
  73                                         }
  74                                 }
  75                         }
  76                 }
  77
  78                 if (get_schema_version($this->link) > 87) {
  79
  80                         $result = db_query($this->link, "SELECT salt FROM ttrss_users WHERE
  81                                 login = '$login'");
  82
  83                         if (db_num_rows($result) != 1) {
  84                                 return false;
  85                         }
  86
  87                         $salt = db_fetch_result($result, 0, "salt");
  88
  89                         if ($salt == "") {
  90
  91                                 $query = "SELECT id
  92                     FROM ttrss_users WHERE
  93                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
  94                                         pwd_hash = '$pwd_hash2')";
  95
  96                                 // verify and upgrade password to new salt base
  97
  98                                 $result = db_query($this->link, $query);
  99
 100                                 if (db_num_rows($result) == 1) {
 101                                         // upgrade password to MODE2
 102
 103                                         $salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
 104                                         $pwd_hash = encrypt_password($password, $salt, true);
 105
 106                                         db_query($this->link, "UPDATE ttrss_users SET
 107                                                 pwd_hash = '$pwd_hash', salt = '$salt' WHERE login = '$login'");
 108
 109                                         $query = "SELECT id
 110                             FROM ttrss_users WHERE
 111                                                 login = '$login' AND pwd_hash = '$pwd_hash'";
 112
 113                                 } else {
 114                                         return false;
 115                                 }
 116
 117                         } else {
 118
 119                                 $pwd_hash = encrypt_password($password, $salt, true);
 120
 121                                 $query = "SELECT id
 122                          FROM ttrss_users WHERE
 123                                         login = '$login' AND pwd_hash = '$pwd_hash'";
 124
 125                         }
 126
 127                 } else {
 128                         $query = "SELECT id
 129                  FROM ttrss_users WHERE
 130                                 login = '$login' AND (pwd_hash = '$pwd_hash1' OR
 131                                         pwd_hash = '$pwd_hash2')";
 132                 }
 133
 134                 $result = db_query($this->link, $query);
 135
 136                 if (db_num_rows($result) == 1) {
 137                         return db_fetch_result($result, 0, "id");
 138                 }
 139
 140                 return false;
 141         }
 142
 143         function check_password($owner_uid, $password) {
 144                 $owner_uid = db_escape_string($this->link, $owner_uid);
 145
 146                 $result = db_query($this->link, "SELECT salt,login FROM ttrss_users WHERE
 147                         id = '$owner_uid'");
 148
 149                 $salt = db_fetch_result($result, 0, "salt");
 150                 $login = db_fetch_result($result, 0, "login");
 151
 152                 if (!$salt) {
 153                         $password_hash1 = encrypt_password($password);
 154                         $password_hash2 = encrypt_password($password, $login);
 155
 156                         $query = "SELECT id FROM ttrss_users WHERE
 157                                 id = '$owner_uid' AND (pwd_hash = '$password_hash1' OR
 158                                 pwd_hash = '$password_hash2')";
 159
 160                 } else {
 161                         $password_hash = encrypt_password($password, $salt, true);
 162
 163                         $query = "SELECT id FROM ttrss_users WHERE
 164                                 id = '$owner_uid' AND pwd_hash = '$password_hash'";
 165                 }
 166
 167                 $result = db_query($this->link, $query);
 168
 169                 return db_num_rows($result) != 0;
 170         }
 171
 172         function change_password($owner_uid, $old_password, $new_password) {
 173                 $owner_uid = db_escape_string($this->link, $owner_uid);
 174
 175                 if ($this->check_password($owner_uid, $old_password)) {
 176
 177                         $new_salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
 178                         $new_password_hash = encrypt_password($new_password, $new_salt, true);
 179
 180                         db_query($this->link, "UPDATE ttrss_users SET
 181                                 pwd_hash = '$new_password_hash', salt = '$new_salt', otp_enabled = false
 182                                         WHERE id = '$owner_uid'");
 183
 184                         $_SESSION["pwd_hash"] = $new_password_hash;
 185
 186                         return __("Password has been changed.");
 187                 } else {
 188                         return "ERROR: ".__('Old password is incorrect.');
 189                 }
 190         }
 191 }
 192 ?>