Add Composer support to phpseclib

.gitignore

@@ -1 +1,4 @@
 *~
+vendor
+composer.json
+composer.lock

phpseclib/Crypt/AES.php

@@ -66,7 +66,9 @@
 /**
  * Include Crypt_Rijndael
  */
-require_once 'Rijndael.php';
+if (!class_exists('Crypt_Rijndael')) {
+    require_once 'Rijndael.php';
+}
 
 /**#@+
  * @access public
@@ -606,4 +608,4 @@ class Crypt_AES extends Crypt_Rijndael {
 }
 
 // vim: ts=4:sw=4:et:
-// vim6: fdl=1:
+// vim6: fdl=1:

phpseclib/Crypt/TripleDES.php

@@ -57,7 +57,9 @@
 /**
  * Include Crypt_DES
  */
-require_once('DES.php');
+if (!class_exists('Crypt_DES')) {
+    require_once('DES.php');
+}
 
 /**
  * Encrypt / decrypt using inner chaining
@@ -1055,4 +1057,4 @@ class Crypt_TripleDES {
 }
 
 // vim: ts=4:sw=4:et:
-// vim6: fdl=1:
+// vim6: fdl=1:

phpseclib/File/X509.php

@@ -47,7 +47,9 @@
 /**
  * Include File_ASN1
  */
-require_once('File/ASN1.php');
+if (!class_exists('File_ASN1')) {
+    require_once('File/ASN1.php');
+}
 
 /**
  * Flag to only accept signatures signed by certificate authorities
@@ -2482,4 +2484,4 @@ class File_X509 {
         $this->removeDNProp('id-at-commonName');
         $this->setDNProp('id-at-commonName', $this->domains[0]);
     }
-}
+}

phpseclib/Net/SFTP.php

@@ -57,7 +57,9 @@
 /**
  * Include Net_SSH2
  */
-require_once('Net/SSH2.php');
+if (!class_exists('Net_SSH2')) {
+    require_once('Net/SSH2.php');
+}
 
 /**#@+
  * @access public
@@ -1956,4 +1958,4 @@ class Net_SFTP extends Net_SSH2 {
         $this->pwd = false;
         parent::_disconnect($reason);
     }
-}
+}

phpseclib/Net/SSH1.php

@@ -71,7 +71,9 @@
  *
  * Used to do RSA encryption.
  */
-require_once('Math/BigInteger.php');
+if (!class_exists('Math_BigInteger')) {
+    require_once('Math/BigInteger.php');
+}
 
 /**
  * Include Crypt_Null
@@ -81,22 +83,30 @@ require_once('Math/BigInteger.php');
 /**
  * Include Crypt_DES
  */
-require_once('Crypt/DES.php');
+if (!class_exists('Crypt_DES')) {
+    require_once('Crypt/DES.php');
+}
 
 /**
  * Include Crypt_TripleDES
  */
-require_once('Crypt/TripleDES.php');
+if (!class_exists('Crypt_TripleDES')) {
+    require_once('Crypt/TripleDES.php');
+}
 
 /**
  * Include Crypt_RC4
  */
-require_once('Crypt/RC4.php');
+if (!class_exists('Crypt_RC4')) {
+    require_once('Crypt/RC4.php');
+}
 
 /**
  * Include Crypt_Random
  */
-require_once('Crypt/Random.php');
+if (!class_exists('Crypt_Random')) {
+    require_once('Crypt/Random.php');
+}
 
 /**#@+
  * Encryption Methods
@@ -1405,4 +1415,4 @@ class Net_SSH1 {
         return rtrim($this->server_identification);
     }
 }
-?>
+?>

phpseclib/Net/SSH2.php

@@ -73,32 +73,43 @@
  *
  * Used to do Diffie-Hellman key exchange and DSA/RSA signature verification.
  */
-require_once('Math/BigInteger.php');
+if (!class_exists('Math_BigInteger')) {
+    require_once('Math/BigInteger.php');
+}
 
 /**
  * Include Crypt_Random
  */
-require_once('Crypt/Random.php');
+if (!class_exists('Crypt_Random')) {
+    require_once('Crypt/Random.php');
+}
 
 /**
  * Include Crypt_Hash
  */
-require_once('Crypt/Hash.php');
+if (!class_exists('Crypt_Hash')) {
+    require_once('Crypt/Hash.php');
+}
 
 /**
  * Include Crypt_TripleDES
  */
-require_once('Crypt/TripleDES.php');
+if (!class_exists('Crypt_TripleDES')) {
+    require_once('Crypt/TripleDES.php');
+}
 
 /**
  * Include Crypt_RC4
  */
+if (!class_exists('Crypt_RC4')) {
 require_once('Crypt/RC4.php');
 
 /**
  * Include Crypt_AES
  */
-require_once('Crypt/AES.php');
+if (!class_exists('Crypt_AES')) {
+    require_once('Crypt/AES.php');
+}
 
 /**#@+
  * Execution Bitmap Masks
@@ -2831,4 +2842,4 @@ class Net_SSH2 {
 
         return $this->server_public_host_key;
     }
-}
+}