release

1 files changed, 84 insertions, 0 deletions

diff --git a/Postman/PostmanPreRequisitesCheck.php b/Postman/PostmanPreRequisitesCheck.php
new file mode 100644
index 0000000..884ecdf
--- /dev/null
+++ b/Postman/PostmanPreRequisitesCheck.php
@@ -0,0 +1,84 @@
+<?php
+if (! class_exists ( 'PostmanPreRequisitesCheck' )) {
+	class PostmanPreRequisitesCheck {
+		public static function checkIconv() {
+			return function_exists ( 'iconv' );
+		}
+		public static function checkSpl() {
+			return function_exists ( 'spl_autoload_register' );
+		}
+		public static function checkZlibEncode() {
+			return extension_loaded ( "zlib" ) && function_exists ( 'gzcompress' ) && function_exists ( 'gzuncompress' );
+		}
+		public static function checkOpenSsl() {
+			// apparently curl can use ssl libraries in the OS, and doesn't need ssl in PHP
+			return extension_loaded ( 'openssl' ) || extension_loaded ( 'php_openssl' );
+		}
+		public static function checkSockets() {
+			return extension_loaded ( 'sockets' ) || extension_loaded ( 'php_sockets' );
+		}
+		public static function checkAllowUrlFopen() {
+			return filter_var ( ini_get ( 'allow_url_fopen' ), FILTER_VALIDATE_BOOLEAN );
+		}
+		public static function checkMcrypt() {
+			return function_exists ( 'mcrypt_get_iv_size' ) && function_exists ( 'mcrypt_create_iv' ) && function_exists ( 'mcrypt_encrypt' ) && function_exists ( 'mcrypt_decrypt' );
+		}
+		/**
+		 * Return an array of state:
+		 * [n][name=>x,ready=>true|false,required=true|false]
+		 */
+		public static function getState() {
+			$state = array ();
+			array_push ( $state, array (
+					'name' => 'iconv',
+					'ready' => self::checkIconv (),
+					'required' => true 
+			) );
+			array_push ( $state, array (
+					'name' => 'spl_autoload',
+					'ready' => self::checkSpl (),
+					'required' => true 
+			) );
+			array_push ( $state, array (
+					'name' => 'openssl',
+					'ready' => self::checkOpenSsl (),
+					'required' => false 
+			) );
+			array_push ( $state, array (
+					'name' => 'sockets',
+					'ready' => self::checkSockets (),
+					'required' => false 
+			) );
+			array_push ( $state, array (
+					'name' => 'allow_url_fopen',
+					'ready' => self::checkAllowUrlFopen (),
+					'required' => false 
+			) );
+			array_push ( $state, array (
+					'name' => 'mcrypt',
+					'ready' => self::checkMcrypt (),
+					'required' => false 
+			) );
+			array_push ( $state, array (
+					'name' => 'zlib_encode',
+					'ready' => self::checkZlibEncode (),
+					'required' => false 
+			) );
+			return $state;
+		}
+		/**
+		 *
+		 * @return boolean
+		 */
+		public static function isReady() {
+			$states = self::getState ();
+			foreach ( $states as $state ) {
+				if ($state ['ready'] == false && $state ['required'] == true) {
+					return false;
+				}
+			}
+			
+			return true;
+		}
+	}
+}
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