implement one time passwords using TOTP

This commit is contained in:
Andrew Dolgov 2012-09-03 18:33:46 +04:00
parent fd26d5bfdf
commit fb70f26ed9
439 changed files with 11026 additions and 7 deletions

View File

@ -6,6 +6,48 @@ class Auth_Internal extends Auth_Base {
$pwd_hash1 = encrypt_password($password); $pwd_hash1 = encrypt_password($password);
$pwd_hash2 = encrypt_password($password, $login); $pwd_hash2 = encrypt_password($password, $login);
$login = db_escape_string($login); $login = db_escape_string($login);
$otp = db_escape_string($_REQUEST["otp"]);
if (get_schema_version($this->link) > 96) {
$result = db_query($this->link, "SELECT otp_enabled,salt FROM ttrss_users WHERE
login = '$login'");
require_once "lib/otphp/vendor/base32.php";
require_once "lib/otphp/lib/otp.php";
require_once "lib/otphp/lib/totp.php";
$base32 = new Base32();
$otp_enabled = sql_bool_to_bool(db_fetch_result($result, 0, "otp_enabled"));
$secret = $base32->encode(sha1(db_fetch_result($result, 0, "salt")));
$topt = new \OTPHP\TOTP($secret);
$otp_check = $topt->now();
if ($otp_enabled) {
if ($otp) {
if ($otp != $otp_check) {
return false;
}
} else {
?><html>
<head><title>Tiny Tiny RSS</title></head>
<body>
<form method="POST">
<input type="hidden" name="login_action" value="do_login">
<input type="hidden" name="login" value="<?php echo htmlspecialchars($login) ?>">
<input type="hidden" name="password" value="<?php echo htmlspecialchars($password) ?>">
<label><?php echo __("Please enter your one time password:") ?></label>
<input type="password" size="6" name="otp"/>
<input type="submit" value="Continue"/>
</form>
</form>
<?php
exit;
}
}
}
if (get_schema_version($this->link) > 87) { if (get_schema_version($this->link) > 87) {
@ -104,7 +146,7 @@ class Auth_Internal extends Auth_Base {
$new_password_hash = encrypt_password($new_password, $new_salt, true); $new_password_hash = encrypt_password($new_password, $new_salt, true);
db_query($this->link, "UPDATE ttrss_users SET db_query($this->link, "UPDATE ttrss_users SET
pwd_hash = '$new_password_hash', salt = '$new_salt' pwd_hash = '$new_password_hash', salt = '$new_salt', otp_enabled = false
WHERE id = '$owner_uid'"); WHERE id = '$owner_uid'");
$_SESSION["pwd_hash"] = $new_password_hash; $_SESSION["pwd_hash"] = $new_password_hash;

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@ -154,12 +154,15 @@ class Pref_Prefs extends Handler_Protected {
print "<table width=\"100%\" class=\"prefPrefsList\">"; print "<table width=\"100%\" class=\"prefPrefsList\">";
$result = db_query($this->link, "SELECT email,full_name, print "<h2>" . __("Personal data") . "</h2>";
$result = db_query($this->link, "SELECT email,full_name,otp_enabled,
access_level FROM ttrss_users access_level FROM ttrss_users
WHERE id = ".$_SESSION["uid"]); WHERE id = ".$_SESSION["uid"]);
$email = htmlspecialchars(db_fetch_result($result, 0, "email")); $email = htmlspecialchars(db_fetch_result($result, 0, "email"));
$full_name = htmlspecialchars(db_fetch_result($result, 0, "full_name")); $full_name = htmlspecialchars(db_fetch_result($result, 0, "full_name"));
$otp_enabled = sql_bool_to_bool(db_fetch_result($result, 0, "otp_enabled"));
print "<tr><td width=\"40%\">".__('Full name')."</td>"; print "<tr><td width=\"40%\">".__('Full name')."</td>";
print "<td class=\"prefValue\"><input dojoType=\"dijit.form.ValidationTextBox\" name=\"full_name\" required=\"1\" print "<td class=\"prefValue\"><input dojoType=\"dijit.form.ValidationTextBox\" name=\"full_name\" required=\"1\"
@ -194,6 +197,8 @@ class Pref_Prefs extends Handler_Protected {
if ($authenticator && method_exists($authenticator, "change_password")) { if ($authenticator && method_exists($authenticator, "change_password")) {
print "<h2>" . __("Password") . "</h2>";
$result = db_query($this->link, "SELECT id FROM ttrss_users $result = db_query($this->link, "SELECT id FROM ttrss_users
WHERE id = ".$_SESSION["uid"]." AND pwd_hash WHERE id = ".$_SESSION["uid"]." AND pwd_hash
= 'SHA1:5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8'"); = 'SHA1:5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8'");
@ -249,6 +254,55 @@ class Pref_Prefs extends Handler_Protected {
print "</form>"; print "</form>";
if ($_SESSION["auth_module"] == "internal") {
print "<h2>" . __("One time passwords / Authenticator") . "</h2>";
if ($otp_enabled) {
print "<p>".__("One time passwords are currently enabled. Change your current password and refresh this page to reconfigure.") . "</p>";
} else {
print "<p>".__("You will need a compatible Authenticator to use this. Changing your password would automatically disable OTP.") . "</p>";
print "<p>".__("Scan the following code by the Authenticator application:")."</p>";
$csrf_token = $_SESSION["csrf_token"];
print "<img src=\"backend.php?op=pref-prefs&method=otpqrcode&csrf_token=$csrf_token\">";
print "<form dojoType=\"dijit.form.Form\" id=\"changeOtpForm\">";
print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-prefs\">";
print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"changeotp\">";
print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
evt.preventDefault();
if (this.validate()) {
notify_progress('Saving data...', true);
new Ajax.Request('backend.php', {
parameters: dojo.objectToQuery(this.getValues()),
onComplete: function(transport) {
window.location.reload();
} });
}
</script>";
print "<input dojoType=\"dijit.form.CheckBox\" required=\"1\"
type=\"checkbox\" id=\"enable_otp\" name=\"enable_otp\"/> ";
print "<label for=\"enable_otp\">".__("I have scanned the code and would like to enable OTP")."</label>";
print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">".
__("Save OTP setting")."</button>";
print "</form>";
}
}
} }
print "</div>"; #pane print "</div>"; #pane
@ -571,5 +625,34 @@ class Pref_Prefs extends Handler_Protected {
function toggleAdvanced() { function toggleAdvanced() {
$_SESSION["prefs_show_advanced"] = !$_SESSION["prefs_show_advanced"]; $_SESSION["prefs_show_advanced"] = !$_SESSION["prefs_show_advanced"];
} }
function otpqrcode() {
require_once "lib/otphp/vendor/base32.php";
require_once "lib/otphp/lib/otp.php";
require_once "lib/otphp/lib/totp.php";
require_once "lib/phpqrcode/phpqrcode.php";
$result = db_query($this->link, "SELECT login,salt
FROM ttrss_users
WHERE id = ".$_SESSION["uid"]);
$base32 = new Base32();
$login = db_fetch_result($result, 0, "login");
$secret = $base32->encode(sha1(db_fetch_result($result, 0, "salt")));
$topt = new \OTPHP\TOTP($secret);
print QRcode::png($topt->provisioning_uri($login));
}
function changeotp() {
$enable_otp = $_REQUEST["enable_otp"];
if ($enable_otp == "on") {
db_query($this->link, "UPDATE ttrss_users SET otp_enabled = true WHERE
id = " . $_SESSION["uid"]);
}
}
} }
?> ?>

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@ -1,6 +1,6 @@
<?php <?php
define('EXPECTED_CONFIG_VERSION', 26); define('EXPECTED_CONFIG_VERSION', 26);
define('SCHEMA_VERSION', 96); define('SCHEMA_VERSION', 97);
$fetch_last_error = false; $fetch_last_error = false;

20
lib/otphp/LICENCE Normal file
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@ -0,0 +1,20 @@
Copyright (c) 2011 Le Lag
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

74
lib/otphp/lib/hotp.php Normal file
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@ -0,0 +1,74 @@
<?php
/*
* Copyright (c) 2011 Le Lag
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
namespace OTPHP {
/**
* HOTP - One time password generator
*
* The HOTP class allow for the generation
* and verification of one-time password using
* the HOTP specified algorithm.
*
* This class is meant to be compatible with
* Google Authenticator
*
* This class was originally ported from the rotp
* ruby library available at https://github.com/mdp/rotp
*/
class HOTP extends OTP {
/**
* Get the password for a specific counter value
* @param integer $count the counter which is used to
* seed the hmac hash function.
* @return integer the One Time Password
*/
public function at($count) {
return $this->generateOTP($count);
}
/**
* Verify if a password is valid for a specific counter value
*
* @param integer $otp the one-time password
* @param integer $counter the counter value
* @return bool true if the counter is valid, false otherwise
*/
public function verify($otp, $counter) {
return ($otp == $this->at($counter));
}
/**
* Returns the uri for a specific secret for hotp method.
* Can be encoded as a image for simple configuration in
* Google Authenticator.
*
* @param string $name the name of the account / profile
* @param integer $initial_count the initial counter
* @return string the uri for the hmac secret
*/
public function provisioning_uri($name, $initial_count) {
return "otpauth://hotp/".urlencode($name)."?secret={$this->secret}&counter=$initial_count";
}
}
}

120
lib/otphp/lib/otp.php Normal file
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@ -0,0 +1,120 @@
<?php
/*
* Copyright (c) 2011 Le Lag
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
namespace OTPHP {
/**
* One Time Password Generator
*
* The OTP class allow the generation of one-time
* password that is described in rfc 4xxx.
*
* This is class is meant to be compatible with
* Google Authenticator.
*
* This class was originally ported from the rotp
* ruby library available at https://github.com/mdp/rotp
*/
class OTP {
/**
* The base32 encoded secret key
* @var string
*/
public $secret;
/**
* The algorithm used for the hmac hash function
* @var string
*/
public $digest;
/**
* The number of digits in the one-time password
* @var integer
*/
public $digits;
/**
* Constructor for the OTP class
* @param string $secret the secret key
* @param array $opt options array can contain the
* following keys :
* @param integer digits : the number of digits in the one time password
* Currently Google Authenticator only support 6. Defaults to 6.
* @param string digest : the algorithm used for the hmac hash function
* Google Authenticator only support sha1. Defaults to sha1
*
* @return new OTP class.
*/
public function __construct($secret, $opt = Array()) {
$this->digits = isset($opt['digits']) ? $opt['digits'] : 6;
$this->digest = isset($opt['digest']) ? $opt['digest'] : 'sha1';
$this->secret = $secret;
}
/**
* Generate a one-time password
*
* @param integer $input : number used to seed the hmac hash function.
* This number is usually a counter (HOTP) or calculated based on the current
* timestamp (see TOTP class).
* @return integer the one-time password
*/
public function generateOTP($input) {
$hash = hash_hmac($this->digest, $this->intToBytestring($input), $this->byteSecret());
foreach(str_split($hash, 2) as $hex) { // stupid PHP has bin2hex but no hex2bin WTF
$hmac[] = hexdec($hex);
}
$offset = $hmac[19] & 0xf;
$code = ($hmac[$offset+0] & 0x7F) << 24 |
($hmac[$offset + 1] & 0xFF) << 16 |
($hmac[$offset + 2] & 0xFF) << 8 |
($hmac[$offset + 3] & 0xFF);
return $code % pow(10, $this->digits);
}
/**
* Returns the binary value of the base32 encoded secret
* @access private
* This method should be private but was left public for
* phpunit tests to work.
* @return binary secret key
*/
public function byteSecret() {
return \Base32::decode($this->secret);
}
/**
* Turns an integer in a OATH bytestring
* @param integer $int
* @access private
* @return string bytestring
*/
public function intToBytestring($int) {
$result = Array();
while($int != 0) {
$result[] = chr($int & 0xFF);
$int >>= 8;
}
return str_pad(join(array_reverse($result)), 8, "\000", STR_PAD_LEFT);
}
}
}

27
lib/otphp/lib/otphp.php Normal file
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@ -0,0 +1,27 @@
<?php
/*
* Copyright (c) 2011 Le Lag
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
require_once dirname(__FILE__).'/../vendor/libs.php';
require_once dirname(__FILE__).'/otp.php';
require_once dirname(__FILE__).'/hotp.php';
require_once dirname(__FILE__).'/totp.php';

106
lib/otphp/lib/totp.php Normal file
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@ -0,0 +1,106 @@
<?php
/*
* Copyright (c) 2011 Le Lag
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
namespace OTPHP {
/**
* TOTP - One time password generator
*
* The TOTP class allow for the generation
* and verification of one-time password using
* the TOTP specified algorithm.
*
* This class is meant to be compatible with
* Google Authenticator
*
* This class was originally ported from the rotp
* ruby library available at https://github.com/mdp/rotp
*/
class TOTP extends OTP {
/**
* The interval in seconds for a one-time password timeframe
* Defaults to 30
* @var integer
*/
public $interval;
public function __construct($s, $opt = Array()) {
$this->interval = isset($opt['interval']) ? $opt['interval'] : 30;
parent::__construct($s, $opt);
}
/**
* Get the password for a specific timestamp value
*
* @param integer $timestamp the timestamp which is timecoded and
* used to seed the hmac hash function.
* @return integer the One Time Password
*/
public function at($timestamp) {
return $this->generateOTP($this->timecode($timestamp));
}
/**
* Get the password for the current timestamp value
*
* @return integer the current One Time Password
*/
public function now() {
return $this->generateOTP($this->timecode(time()));
}
/**
* Verify if a password is valid for a specific counter value
*
* @param integer $otp the one-time password
* @param integer $timestamp the timestamp for the a given time, defaults to current time.
* @return bool true if the counter is valid, false otherwise
*/
public function verify($otp, $timestamp = null) {
if($timestamp === null)
$timestamp = time();
return ($otp == $this->at($timestamp));
}
/**
* Returns the uri for a specific secret for totp method.
* Can be encoded as a image for simple configuration in
* Google Authenticator.
*
* @param string $name the name of the account / profile
* @return string the uri for the hmac secret
*/
public function provisioning_uri($name) {
return "otpauth://totp/".urlencode($name)."?secret={$this->secret}";
}
/**
* Transform a timestamp in a counter based on specified internal
*
* @param integer $timestamp
* @return integer the timecode
*/
protected function timecode($timestamp) {
return (int)( (((int)$timestamp * 1000) / ($this->interval * 1000)));
}
}
}

83
lib/otphp/vendor/base32.php vendored Normal file
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@ -0,0 +1,83 @@
<?php
/**
* Encode in Base32 based on RFC 4648.
* Requires 20% more space than base64
* Great for case-insensitive filesystems like Windows and URL's (except for = char which can be excluded using the pad option for urls)
*
* @package default
* @author Bryan Ruiz
**/
class Base32 {
private static $map = array(
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', // 7
'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', // 15
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', // 23
'Y', 'Z', '2', '3', '4', '5', '6', '7', // 31
'=' // padding char
);
private static $flippedMap = array(
'A'=>'0', 'B'=>'1', 'C'=>'2', 'D'=>'3', 'E'=>'4', 'F'=>'5', 'G'=>'6', 'H'=>'7',
'I'=>'8', 'J'=>'9', 'K'=>'10', 'L'=>'11', 'M'=>'12', 'N'=>'13', 'O'=>'14', 'P'=>'15',
'Q'=>'16', 'R'=>'17', 'S'=>'18', 'T'=>'19', 'U'=>'20', 'V'=>'21', 'W'=>'22', 'X'=>'23',
'Y'=>'24', 'Z'=>'25', '2'=>'26', '3'=>'27', '4'=>'28', '5'=>'29', '6'=>'30', '7'=>'31'
);
/**
* Use padding false when encoding for urls
*
* @return base32 encoded string
* @author Bryan Ruiz
**/
public static function encode($input, $padding = true) {
if(empty($input)) return "";
$input = str_split($input);
$binaryString = "";
for($i = 0; $i < count($input); $i++) {
$binaryString .= str_pad(base_convert(ord($input[$i]), 10, 2), 8, '0', STR_PAD_LEFT);
}
$fiveBitBinaryArray = str_split($binaryString, 5);
$base32 = "";
$i=0;
while($i < count($fiveBitBinaryArray)) {
$base32 .= self::$map[base_convert(str_pad($fiveBitBinaryArray[$i], 5,'0'), 2, 10)];
$i++;
}
if($padding && ($x = strlen($binaryString) % 40) != 0) {
if($x == 8) $base32 .= str_repeat(self::$map[32], 6);
else if($x == 16) $base32 .= str_repeat(self::$map[32], 4);
else if($x == 24) $base32 .= str_repeat(self::$map[32], 3);
else if($x == 32) $base32 .= self::$map[32];
}
return $base32;
}
public static function decode($input) {
if(empty($input)) return;
$paddingCharCount = substr_count($input, self::$map[32]);
$allowedValues = array(6,4,3,1,0);
if(!in_array($paddingCharCount, $allowedValues)) return false;
for($i=0; $i<4; $i++){
if($paddingCharCount == $allowedValues[$i] &&
substr($input, -($allowedValues[$i])) != str_repeat(self::$map[32], $allowedValues[$i])) return false;
}
$input = str_replace('=','', $input);
$input = str_split($input);
$binaryString = "";
for($i=0; $i < count($input); $i = $i+8) {
$x = "";
if(!in_array($input[$i], self::$map)) return false;
for($j=0; $j < 8; $j++) {
$x .= str_pad(base_convert(@self::$flippedMap[@$input[$i + $j]], 10, 2), 5, '0', STR_PAD_LEFT);
}
$eightBits = str_split($x, 8);
for($z = 0; $z < count($eightBits); $z++) {
$binaryString .= ( ($y = chr(base_convert($eightBits[$z], 2, 10))) || ord($y) == 48 ) ? $y:"";
}
}
return $binaryString;
}
}

26
lib/otphp/vendor/libs.php vendored Normal file
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@ -0,0 +1,26 @@
<?php
/*
* Copyright (c) 2011 Le Lag
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
// Add any needed third party library to this directory
//require_once dirname(__FILE__).'/some_lib/lib.php';
require_once dirname(__FILE__).'/base32.php';

38
lib/phpqrcode/CHANGELOG Normal file
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@ -0,0 +1,38 @@
* 1.0.0 build 2010031920
- first public release
- help in readme, install
- cleanup ans separation of QRtools and QRspec
- now TCPDF binding requires minimal changes in TCPDF, having most of job
done in QRtools tcpdfBarcodeArray
- nicer QRtools::timeBenchmark output
- license and copyright notices in files
- indent cleanup - from tab to 4spc, keep it that way please :)
- sf project, repository, wiki
- simple code generator in index.php
* 1.1.0 build 2010032113
- added merge tool wich generate merged version of code
located in phpqrcode.php
- splited qrconst.php from qrlib.php
* 1.1.1 build 2010032405
- patch by Rick Seymour allowing saving PNG and displaying it at the same time
- added version info in VERSION file
- modified merge tool to include version info into generated file
- fixed e-mail in almost all head comments
* 1.1.2 build 2010032722
- full integration with TCPDF thanks to Nicola Asuni, it's author
- fixed bug with alphanumeric encoding detection
* 1.1.3 build 2010081807
- short opening tags replaced with standard ones
* 1.1.4 build 2010100721
- added missing static keyword QRinput::check (found by Luke Brookhart, Onjax LLC)

67
lib/phpqrcode/INSTALL Normal file
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@ -0,0 +1,67 @@
== REQUIREMENTS ==
* PHP5
* PHP GD2 extension with JPEG and PNG support
== INSTALLATION ==
If you want to recreate cache by yourself make sure cache directory is
writable and you have permisions to write into it. Also make sure you are
able to read files in it if you have cache option enabled
== CONFIGURATION ==
Feel free to modify config constants in qrconfig.php file. Read about it in
provided comments and project wiki page (links in README file)
== QUICK START ==
Notice: probably you should'nt use all of this in same script :)
<?phpb
//include only that one, rest required files will be included from it
include "qrlib.php"
//write code into file, Error corection lecer is lowest, L (one form: L,M,Q,H)
//each code square will be 4x4 pixels (4x zoom)
//code will have 2 code squares white boundary around
QRcode::png('PHP QR Code :)', 'test.png', 'L', 4, 2);
//same as above but outputs file directly into browser (with appr. header etc.)
//all other settings are default
//WARNING! it should be FIRST and ONLY output generated by script, otherwise
//rest of output will land inside PNG binary, breaking it for sure
QRcode::png('PHP QR Code :)');
//show benchmark
QRtools::timeBenchmark();
//rebuild cache
QRtools::buildCache();
//code generated in text mode - as a binary table
//then displayed out as HTML using Unicode block building chars :)
$tab = $qr->encode('PHP QR Code :)');
QRspec::debug($tab, true);
== TCPDF INTEGRATION ==
Inside bindings/tcpdf you will find slightly modified 2dbarcodes.php.
Instal phpqrcode liblaty inside tcpdf folder, then overwrite (or merge)
2dbarcodes.php
Then use similar as example #50 from TCPDF examples:
<?php
$style = array(
'border' => true,
'padding' => 4,
'fgcolor' => array(0,0,0),
'bgcolor' => false, //array(255,255,255)
);
//code name: QR, specify error correction level after semicolon (L,M,Q,H)
$pdf->write2DBarcode('PHP QR Code :)', 'QR,L', '', '', 30, 30, $style, 'N');

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GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
0. Additional Definitions.
As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
General Public License.
"The Library" refers to a covered work governed by this License,
other than an Application or a Combined Work as defined below.
An "Application" is any work that makes use of an interface provided
by the Library, but which is not otherwise based on the Library.
Defining a subclass of a class defined by the Library is deemed a mode
of using an interface provided by the Library.
A "Combined Work" is a work produced by combining or linking an
Application with the Library. The particular version of the Library
with which the Combined Work was made is also called the "Linked
Version".
The "Minimal Corresponding Source" for a Combined Work means the
Corresponding Source for the Combined Work, excluding any source code
for portions of the Combined Work that, considered in isolation, are
based on the Application, and not on the Linked Version.
The "Corresponding Application Code" for a Combined Work means the
object code and/or source code for the Application, including any data
and utility programs needed for reproducing the Combined Work from the
Application, but excluding the System Libraries of the Combined Work.
1. Exception to Section 3 of the GNU GPL.
You may convey a covered work under sections 3 and 4 of this License
without being bound by section 3 of the GNU GPL.
2. Conveying Modified Versions.
If you modify a copy of the Library, and, in your modifications, a
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ensure that, in the event an Application does not supply the
function or data, the facility still operates, and performs
whatever part of its purpose remains meaningful, or
b) under the GNU GPL, with none of the additional permissions of
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3. Object Code Incorporating Material from Library Header Files.
The object code form of an Application may incorporate material from
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a) Give prominent notice with each copy of the object code that the
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document.
4. Combined Works.
You may convey a Combined Work under terms of your choice that,
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c) For a Combined Work that displays copyright notices during
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these notices, as well as a reference directing the user to the
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d) Do one of the following:
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1) Use a suitable shared library mechanism for linking with the
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You may place library facilities that are a work based on the
Library side by side in a single library together with other library
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choice, if you do both of the following:
a) Accompany the combined library with a copy of the same work based
on the Library, uncombined with any other library facilities,
conveyed under the terms of this License.
b) Give prominent notice with the combined library that part of it
is a work based on the Library, and explaining where to find the
accompanying uncombined form of the same work.
6. Revised Versions of the GNU Lesser General Public License.
The Free Software Foundation may publish revised and/or new versions
of the GNU Lesser General Public License from time to time. Such new
versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the
Library as you received it specifies that a certain numbered version
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applies to it, you have the option of following the terms and
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45
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This is PHP implementation of QR Code 2-D barcode generator. It is pure-php
LGPL-licensed implementation based on C libqrencode by Kentaro Fukuchi.
== LICENSING ==
Copyright (C) 2010 by Dominik Dzienia
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU Lesser General Public License (LICENSE file)
for more details.
You should have received a copy of the GNU Lesser General Public License along
with this library; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
== INSTALATION AND USAGE ==
* INSTALL file
* http://sourceforge.net/apps/mediawiki/phpqrcode/index.php?title=Main_Page
== CONTACT ==
Fell free to contact me via e-mail (deltalab at poczta dot fm) or using
folowing project pages:
* http://sourceforge.net/projects/phpqrcode/
* http://phpqrcode.sourceforge.net/
== ACKNOWLEDGMENTS ==
Based on C libqrencode library (ver. 3.1.1)
Copyright (C) 2006-2010 by Kentaro Fukuchi
http://megaui.net/fukuchi/works/qrencode/index.en.html
QR Code is registered trademarks of DENSO WAVE INCORPORATED in JAPAN and other
countries.
Reed-Solomon code encoder is written by Phil Karn, KA9Q.
Copyright (C) 2002, 2003, 2004, 2006 Phil Karn, KA9Q

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1.1.4
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