Update README.md

.gitignore

@@ -183,4 +183,7 @@ UpgradeLog*.htm
 FakesAssemblies/
 
 # Composer
-/vendor
+/vendor
+
+# .vs
+.vs/

.travis.yml

@@ -1,11 +1,18 @@
 language: php
 
+dist: trusty
+matrix:
+  include:
+    - php: 5.3
+      dist: precise
+
 php:
-  - 5.3
   - 5.4
   - 5.5
   - 5.6
-  - 7
+  - 7.0
+  - 7.1
   - hhvm
 
-script: phpunit --coverage-text tests
+script:
+  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then phpunit --coverage-text tests ; fi

README.md

@@ -10,7 +10,7 @@ PHP library for [two-factor (or multi-factor) authentication](http://en.wikipedi
 
 ## Requirements
 
-* Tested on PHP 5.3, 5.4, 5.5 and 5.6, 7 and HHVM
+* Tested on PHP 5.3, 5.4, 5.5 and 5.6, 7.0, 7.1 and HHVM
 * [cURL](http://php.net/manual/en/book.curl.php) when using the provided `GoogleQRCodeProvider` (default), `QRServerProvider` or `QRicketProvider` but you can also provide your own QR-code provider.
 * [random_bytes()](http://php.net/manual/en/function.random-bytes.php), [MCrypt](http://php.net/manual/en/book.mcrypt.php), [OpenSSL](http://php.net/manual/en/book.openssl.php) or [Hash](http://php.net/manual/en/book.hash.php) depending on which built-in RNG you use (TwoFactorAuth will try to 'autodetect' and use the best available); however: feel free to provide your own (CS)RNG.
 

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "robthree/twofactorauth",
     "description": "Two Factor Authentication",
-    "version": "1.6",
+    "version": "1.6.1",
     "type": "library",
     "keywords": [ "Authentication", "Two Factor Authentication", "Multi Factor Authentication", "TFA", "MFA", "PHP", "Authenticator", "Authy" ],
     "homepage": "https://github.com/RobThree/TwoFactorAuth",

lib/Providers/Time/ConvertUnixTimeDotComTimeProvider.php

@@ -6,7 +6,7 @@ class ConvertUnixTimeDotComTimeProvider implements ITimeProvider
 {
     public function getTime() {
         $json = @json_decode(
-            @file_get_contents('http://www.convert-unix-time.com/api?timestamp=now')
+            @file_get_contents('http://www.convert-unix-time.com/api?timestamp=now&r=' . uniqid(null, true))
         );
         if ($json === null || !is_int($json->timestamp))
             throw new \TimeException('Unable to retrieve time from convert-unix-time.com');

lib/Providers/Time/HttpTimeProvider.php

@@ -26,7 +26,8 @@ class HttpTimeProvider implements ITimeProvider
                     'request_fulluri' => true,
                     'header' => array(
                         'Connection: close',
-                        'User-agent: TwoFactorAuth HttpTimeProvider (https://github.com/RobThree/TwoFactorAuth)'
+                        'User-agent: TwoFactorAuth HttpTimeProvider (https://github.com/RobThree/TwoFactorAuth)',
+                        'Cache-Control: no-cache'
                     )
                 )
             );