Merge branch 'release/3.1.0'

Author: Ne-Lexa

.gitignore

@@ -1,4 +1,5 @@
 /vendor
 *.iml
 /.idea
-/composer.lock
+/composer.lock
+/.php_cs.cache

.travis.yml

@@ -21,4 +21,4 @@ before_script:
 
 script:
   - composer validate --no-check-lock
-  - vendor/bin/phpunit -v -c bootstrap.xml
+  - vendor/bin/phpunit -v -c phpunit.xml

CHANGELOG.md

@@ -1,3 +1,22 @@
+# Changelog
+
+## 3.1.0 (2017-11-14)
+- Added class `ZipModel` for all changes.
+- All manipulations with incoming and outgoing streams are in separate files: `ZipInputStream` and `ZipOutputStream`.
+- Removed class `CentralDirectory`.
+- Optimized extra fields classes.
+- Fixed issue #4 (`count()` returns 0 when files are added in directories).
+- Implemented issue #8 - support inline Content-Disposition and empty output filename.
+- Optimized and tested on a php 32-bit platform (issue #5).
+- Added output as PSR-7 Response.
+- Added methods for canceling changes.
+- Added [russian documentation](README.RU.md).
+- Updated [documentation](README.md).
+- Declared deprecated methods:
+  + rename `ZipFile::withReadPassword` to `ZipFile::setReadPassword`
+  + rename `ZipFile::withNewPassword` to `ZipFile::setPassword`
+  + rename `ZipFile::withoutPassword` to `ZipFile::disableEncryption`
+
 ## 3.0.3 (2017-11-11)
 Fix bug issue #8 - Error if the file is empty.
 

README.RU.md

@@ -1,18 +1,18 @@
 {
   "name": "nelexa/zip",
-  "description": "Zip files CRUD. Open, create, update, extract and get info tool. Supports appending to existing ZIP files, WinZip AES encryption, Traditional PKWARE Encryption, ZipAlign tool, BZIP2 compression, external file attributes and ZIP64 extensions. Alternative ZipArchive. It does not require php-zip extension.",
+  "description": "PhpZip is a php-library for extended work with ZIP-archives. Open, create, update, delete, extract and get info tool. Supports appending to existing ZIP files, WinZip AES encryption, Traditional PKWARE Encryption, ZipAlign tool, BZIP2 compression, external file attributes and ZIP64 extensions. Alternative ZipArchive. It does not require php-zip extension.",
   "type": "library",
   "keywords": [
     "zip",
     "unzip",
     "archive",
     "extract",
     "winzip",
-    "zipalign"
+    "zipalign",
+    "ziparchive"
   ],
   "require-dev": {
-    "phpunit/phpunit": "4.8",
-    "codeclimate/php-test-reporter": "^0.4.4"
+    "phpunit/phpunit": "4.8"
   },
   "license": "MIT",
   "authors": [
@@ -24,7 +24,8 @@
   ],
   "minimum-stability": "stable",
   "require": {
-    "php": "^5.5 || ^7.0"
+    "php": "^5.5 || ^7.0",
+    "psr/http-message": "^1.0"
   },
   "autoload": {
     "psr-4": {

README.md

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8" ?>
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.8/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="vendor/autoload.php">
+    <php>
+        <ini name="error_reporting" value="-1"/>
+    </php>
+
+    <testsuites>
+        <testsuite name="PhpZip test suite">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>src</directory>
+        </whitelist>
+    </filter>
+</phpunit>

bootstrap.xml

@@ -1,10 +1,12 @@
 <?php
+
 namespace PhpZip\Crypto;
 
 use PhpZip\Exception\ZipAuthenticationException;
 use PhpZip\Exception\ZipCryptoException;
 use PhpZip\Model\ZipEntry;
 use PhpZip\Util\CryptoUtil;
+use PhpZip\Util\PackUtil;
 
 /**
  * Traditional PKWARE Encryption Engine.
@@ -13,7 +15,7 @@
  * @author Ne-Lexa alexey@nelexa.ru
  * @license MIT
  */
-class TraditionalPkwareEncryptionEngine implements CryptoEngine
+class TraditionalPkwareEncryptionEngine implements ZipEncryptionEngine
 {
     /**
      * Encryption header size
@@ -66,7 +68,6 @@ class TraditionalPkwareEncryptionEngine implements CryptoEngine
      * @var array
      */
     private $keys = [];
-
     /**
      * @var ZipEntry
      */
@@ -80,7 +81,6 @@ class TraditionalPkwareEncryptionEngine implements CryptoEngine
     public function __construct(ZipEntry $entry)
     {
         $this->entry = $entry;
-        $this->initKeys($entry->getPassword());
     }
 
     /**
@@ -107,25 +107,8 @@ private function updateKeys($charAt)
     {
         $this->keys[0] = self::crc32($this->keys[0], $charAt);
         $this->keys[1] = $this->keys[1] + ($this->keys[0] & 0xff);
-        $this->keys[1] = self::toInt($this->keys[1] * 134775813 + 1);
-        $this->keys[2] = self::toInt(self::crc32($this->keys[2], ($this->keys[1] >> 24) & 0xff));
-    }
-
-    /**
-     * Cast to int
-     *
-     * @param $i
-     * @return int
-     */
-    private static function toInt($i)
-    {
-        $i = (int)($i & 0xffffffff);
-        if ($i > 2147483647) {
-            return -(-$i & 0xffffffff);
-        } elseif ($i < -2147483648) {
-            return $i & -2147483648;
-        }
-        return $i;
+        $this->keys[1] = PackUtil::toSignedInt32($this->keys[1] * 134775813 + 1);
+        $this->keys[2] = PackUtil::toSignedInt32(self::crc32($this->keys[2], ($this->keys[1] >> 24) & 0xff));
     }
 
     /**
@@ -147,7 +130,11 @@ private function crc32($oldCrc, $charAt)
      */
     public function decrypt($content)
     {
+        $password = $this->entry->getPassword();
+        $this->initKeys($password);
+
         $headerBytes = array_values(unpack('C*', substr($content, 0, self::STD_DEC_HDR_SIZE)));
+        $byte = 0;
         foreach ($headerBytes as &$byte) {
             $byte = ($byte ^ $this->decryptByte()) & 0xff;
             $this->updateKeys($byte);
@@ -198,7 +185,9 @@ public function encrypt($data)
         $headerBytes = CryptoUtil::randomBytes(self::STD_DEC_HDR_SIZE);
 
         // Initialize again since the generated bytes were encrypted.
-        $this->initKeys($this->entry->getPassword());
+        $password = $this->entry->getPassword();
+        $this->initKeys($password);
+
         $headerBytes[self::STD_DEC_HDR_SIZE - 1] = pack('c', ($crc >> 24) & 0xff);
         $headerBytes[self::STD_DEC_HDR_SIZE - 2] = pack('c', ($crc >> 16) & 0xff);
 
@@ -233,4 +222,4 @@ private function encryptByte($byte)
         $this->updateKeys($byte);
         return $tempVal;
     }
-}
+}

composer.json

@@ -1,20 +1,22 @@
 <?php
+
 namespace PhpZip\Crypto;
 
 use PhpZip\Exception\RuntimeException;
 use PhpZip\Exception\ZipAuthenticationException;
 use PhpZip\Exception\ZipCryptoException;
-use PhpZip\Extra\WinZipAesEntryExtraField;
+use PhpZip\Extra\Fields\WinZipAesEntryExtraField;
 use PhpZip\Model\ZipEntry;
 use PhpZip\Util\CryptoUtil;
 
 /**
  * WinZip Aes Encryption Engine.
  *
+ * @see https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT .ZIP File Format Specification
  * @author Ne-Lexa alexey@nelexa.ru
  * @license MIT
  */
-class WinZipAesEngine implements CryptoEngine
+class WinZipAesEngine implements ZipEncryptionEngine
 {
     /**
      * The block size of the Advanced Encryption Specification (AES) Algorithm
@@ -50,13 +52,16 @@ public function __construct(ZipEntry $entry)
      */
     public function decrypt($content)
     {
+        $extraFieldsCollection = $this->entry->getExtraFieldsCollection();
+
+        if (!isset($extraFieldsCollection[WinZipAesEntryExtraField::getHeaderId()])) {
+            throw new ZipCryptoException($this->entry->getName() . " (missing extra field for WinZip AES entry)");
+        }
+
         /**
          * @var WinZipAesEntryExtraField $field
          */
-        $field = $this->entry->getExtraField(WinZipAesEntryExtraField::getHeaderId());
-        if (null === $field) {
-            throw new ZipCryptoException($this->entry->getName() . " (missing extra field for WinZip AES entry)");
-        }
+        $field = $extraFieldsCollection[WinZipAesEntryExtraField::getHeaderId()];
 
         // Get key strength.
         $keyStrengthBits = $field->getKeyStrength();
@@ -218,8 +223,8 @@ public function encrypt($content)
         // @see https://sourceforge.net/p/p7zip/discussion/383044/thread/c859a2f0/
         $password = substr($password, 0, 99);
 
-        $keyStrengthBytes = 32;
-        $keyStrengthBits = $keyStrengthBytes * 8;
+        $keyStrengthBits = WinZipAesEntryExtraField::getKeyStrangeFromEncryptionMethod($this->entry->getEncryptionMethod());
+        $keyStrengthBytes = $keyStrengthBits / 8;
 
         assert(self::AES_BLOCK_SIZE_BITS <= $keyStrengthBits);
 
@@ -244,4 +249,4 @@ public function encrypt($content)
             substr($mac, 0, 10)
         );
     }
-}
+}