<?php
/*解析安卓apk包中的压缩XML文件，还原和读取XML内容
依赖功能：需要PHP的ZIP包函数支持。*/
include(\'./Apkparser.php\');
$appObj  = new Apkparser(); 
$targetFile = a.apk;//apk所在的路径地址
$res   = $appObj->open($targetFile);
$appObj->getAppName();     // 应用名称
$appObj->getPackage();    // 应用包名
$appObj->getVersionName();  // 版本名称
$appObj->getVersionCode();  // 版本代码
?>

<?php
//-------------------------------
//Apkparser类包开始
//-------------------------------
class ApkParser{
//----------------------
// 公共函数，供外部调用
//----------------------
  public function open($apk_file, $xml_file=\'AndroidManifest.xml\'){
    $zip = new \\ZipArchive;
    if ($zip->open($apk_file) === TRUE) {
      $xml = $zip->getFromName($xml_file);
      $zip->close();
      if ($xml){
        try {
          return $this->parseString($xml);
        }catch (Exception $e){
        }
      }
    }
    return false;
  }
  public function parseString($xml){
    $this->xml = $xml;
    $this->length = strlen($xml);
    $this->root = $this->parseBlock(self::AXML_FILE);
    return true;
  }
  public function getXML($node=NULL, $lv=-1){
    if ($lv == -1) $node = $this->root;
    if (!$node) return \'\';
    if ($node[\'type\'] == self::END_TAG) $lv--;
    $xml = @($node[\'line\'] == 0 || $node[\'line\'] == $this->line) ? \'\' : \"\\n\".str_repeat(\' \', $lv);
    $xml .= $node[\'tag\'];
    $this->line = @$node[\'line\'];
    foreach ($node[\'child\'] as $c){
      $xml .= $this->getXML($c, $lv+1);
    }
    return $xml;
  }
  public function getPackage(){
    return $this->getAttribute(\'manifest\', \'package\');
  }
  public function getVersionName(){
    return $this->getAttribute(\'manifest\', \'android:versionName\');
  }
  public function getVersionCode(){
    return $this->getAttribute(\'manifest\', \'android:versionCode\');
  }
  public function getAppName(){
    return $this->getAttribute(\'manifest/application\', \'android:name\');
  }
  public function getMainActivity(){
    for ($id=0; true; $id++){
      $act = $this->getAttribute(\"manifest/application/activity[{$id}]/intent-filter/action\", \'android:name\');
      if (!$act) break;
      if ($act == \'android.intent.action.MAIN\') return $this->getActivity($id);
    }
    return NULL;
  }
  public function getActivity($idx=0){
    $idx = intval($idx);
    return $this->getAttribute(\"manifest/application/activity[{$idx}]\", \'android:name\');
  }
  public function getAttribute($path, $name){
    $r = $this->getElement($path);
    if (is_null($r)) return NULL;
    if (isset($r[\'attrs\'])){
      foreach ($r[\'attrs\'] as $a){
        if ($a[\'ns_name\'] == $name) return $this->getAttributeValue($a);
      }
    }
    return NULL;
  }
//----------------------
// 类型常量定义
//----------------------
  const AXML_FILE       = 0x00080003;
  const STRING_BLOCK     = 0x001C0001;
  const RESOURCEIDS      = 0x00080180;
  const START_NAMESPACE    = 0x00100100;
  const END_NAMESPACE     = 0x00100101;
  const START_TAG       = 0x00100102;
  const END_TAG        = 0x00100103;
  const TEXT         = 0x00100104;
  const TYPE_NULL       =0;
  const TYPE_REFERENCE    =1;
  const TYPE_ATTRIBUTE    =2;
  const TYPE_STRING      =3;
  const TYPE_FLOAT      =4;
  const TYPE_DIMENSION    =5;
  const TYPE_FRACTION     =6;
  const TYPE_INT_DEC     =16;
  const TYPE_INT_HEX     =17;
  const TYPE_INT_BOOLEAN   =18;
  const TYPE_INT_COLOR_ARGB8 =28;
  const TYPE_INT_COLOR_RGB8  =29;
  const TYPE_INT_COLOR_ARGB4 =30;
  const TYPE_INT_COLOR_RGB4  =31;
  const UNIT_MASK       = 15;
  private static $RADIX_MULTS = array(0.00390625, 3.051758E-005, 1.192093E-007, 4.656613E-010);
  private static $DIMENSION_UNITS = array(\"px\",\"dip\",\"sp\",\"pt\",\"in\",\"mm\",\"\",\"\");
  private static $FRACTION_UNITS = array(\"%\",\"%p\",\"\",\"\",\"\",\"\",\"\",\"\");
  private $xml=\'\';
  private $length = 0;
  private $stringCount = 0;
  private $styleCount = 0;
  private $stringTab = array();
  private $styleTab = array();
  private $resourceIDs = array();
  private $ns = array();
  private $cur_ns = NULL;
  private $root = NULL;
  private $line = 0;
//----------------------
// 内部私有函数
//----------------------
  private function getElement($path){
    if (!$this->root) return NULL;
    $ps = explode(\'/\', $path);
    $r = $this->root;
    foreach ($ps as $v){
      if (preg_match(\'/([^\\[]+)\\[([0-9]+)\\]$/\', $v, $ms)){
        $v = $ms[1];
        $off = $ms[2];
      }else {
        $off = 0;
      }
      foreach ($r[\'child\'] as $c){
        if ($c[\'type\'] == self::START_TAG && $c[\'ns_name\'] == $v){
          if ($off == 0){
            $r = $c; continue 2;
          }else {
            $off--;
          }
        }
      }
      // 没有找到节点
      return NULL;
    }
    return $r;
  }
  private function parseBlock($need = 0){
    $o = 0;
    $type = $this->get32($o);
    if ($need && $type != $need) throw new Exception(\'Block Type Error\', 1);
    $size = $this->get32($o);
    if ($size < 8 || $size > $this->length) throw new Exception(\'Block Size Error\', 2);
    $left = $this->length - $size;
    $props = false;
    switch ($type){
      case self::AXML_FILE:
        $props = array(
          \'line\' => 0,
          \'tag\' => \'<?xml version=\"1.0\" encoding=\"utf-8\"?>\'
        );
      break;
      case self::STRING_BLOCK:
        $this->stringCount = $this->get32($o);
        $this->styleCount = $this->get32($o);
        $o += 4;
        $strOffset = $this->get32($o);
        $styOffset = $this->get32($o);
        $strListOffset = $this->get32array($o, $this->stringCount);
        $styListOffset = $this->get32array($o, $this->styleCount);
        $this->stringTab = $this->stringCount > 0 ? $this->getStringTab($strOffset, $strListOffset) : array();
        $this->styleTab = $this->styleCount > 0 ? $this->getStringTab($styOffset, $styListOffset) : array();
        $o = $size;
      break;
      case self::RESOURCEIDS:
        $count = $size / 4 - 2;
        $this->resourceIDs = $this->get32array($o, $count);
      break;
      case self::START_NAMESPACE:
        $o += 8;
        $prefix = $this->get32($o);
        $uri = $this->get32($o);
        if (empty($this->cur_ns)){
          $this->cur_ns = array();
          $this->ns[] = &$this->cur_ns;
        }
        $this->cur_ns[$uri] = $prefix;
      break;
      case self::END_NAMESPACE:
        $o += 8;
        $prefix = $this->get32($o);
        $uri = $this->get32($o);
        if (empty($this->cur_ns)) break;
        unset($this->cur_ns[$uri]);
      break;
      case self::START_TAG:
        $line = $this->get32($o);
        $o += 4;
        $attrs = array();
        $props = array(
          \'line\' => $line,
          \'ns\' => $this->getNameSpace($this->get32($o)),
          \'name\' => $this->getString($this->get32($o)),
          \'flag\' => $this->get32($o),
          \'count\' => $this->get16($o),
          \'id\' => $this->get16($o)-1,
          \'class\' => $this->get16($o)-1,
          \'style\' => $this->get16($o)-1,
          \'attrs\' => &$attrs
        );
        $props[\'ns_name\'] = $props[\'ns\'].$props[\'name\'];
        for ($i=0; $i < $props[\'count\']; $i++){
          $a = array(
            \'ns\' => $this->getNameSpace($this->get32($o)),
            \'name\' => $this->getString($this->get32($o)),
            \'val_str\' => $this->get32($o),
            \'val_type\' => $this->get32($o),
            \'val_data\' => $this->get32($o)
          );
          $a[\'ns_name\'] = $a[\'ns\'].$a[\'name\'];
          $a[\'val_type\'] >>= 24;
          $attrs[] = $a;
        }
        // 处理TAG字符串
        $tag = \"<{$props[\'ns_name\']}\";
        foreach ($this->cur_ns as $uri => $prefix){
          $uri = $this->getString($uri);
          $prefix = $this->getString($prefix);
          $tag .= \" xmlns:{$prefix}=\\\"{$uri}\\\"\";
        }
        foreach ($props[\'attrs\'] as $a){
          $tag .= \" {$a[\'ns_name\']}=\\\"\".
              $this->getAttributeValue($a).
              \'\"\';
        }
        $tag .= \'>\';
        $props[\'tag\'] = $tag;
        unset($this->cur_ns);
        $this->cur_ns = array();
        $this->ns[] = &$this->cur_ns;
        $left = -1;
      break;
      case self::END_TAG:
        $line = $this->get32($o);
        $o += 4;
        $props = array(
          \'line\' => $line,
          \'ns\' => $this->getNameSpace($this->get32($o)),
          \'name\' => $this->getString($this->get32($o))
        );
        $props[\'ns_name\'] = $props[\'ns\'].$props[\'name\'];
        $props[\'tag\'] = \"</{$props[\'ns_name\']}>\";
        if (count($this->ns) > 1){
          array_pop($this->ns);
          unset($this->cur_ns);
          $this->cur_ns = array_pop($this->ns);
          $this->ns[] = &$this->cur_ns;
        }
      break;
      case self::TEXT:
        $o += 8;
        $props = array(
          \'tag\' => $this->getString($this->get32($o))
        );
        $o += 8;
      break;
      default:
        throw new Exception(\'Block Type Error\', 3);
      break;
    }
    $this->skip($o);
    $child = array();
    while ($this->length > $left){
      $c = $this->parseBlock();
      if ($props && $c) $child[] = $c;
      if ($left == -1 && $c[\'type\'] == self::END_TAG){
        $left = $this->length;
        break;
      }
    }
    if ($this->length != $left) throw new Exception(\'Block Overflow Error\', 4);
    if ($props){
      $props[\'type\'] = $type;
      $props[\'size\'] = $size;
      $props[\'child\'] = $child;
      return $props;
    }else {
      return false;
    }
  }
  private function getAttributeValue($a){
    $type = &$a[\'val_type\'];
    $data = &$a[\'val_data\'];
    switch ($type){
      case self::TYPE_STRING:
        return $this->getString($a[\'val_str\']);
      case self::TYPE_ATTRIBUTE:
        return sprintf(\'?%s%08X\', self::_getPackage($data), $data);
      case self::TYPE_REFERENCE:
        return sprintf(\'@%s%08X\', self::_getPackage($data), $data);
      case self::TYPE_INT_HEX:
        return sprintf(\'0x%08X\', $data);
      case self::TYPE_INT_BOOLEAN:
        return ($data != 0 ? \'true\' : \'false\');
      case self::TYPE_INT_COLOR_ARGB8:
      case self::TYPE_INT_COLOR_RGB8:
      case self::TYPE_INT_COLOR_ARGB4:
      case self::TYPE_INT_COLOR_RGB4:
        return sprintf(\'#%08X\', $data);
      case self::TYPE_DIMENSION:
        return $this->_complexToFloat($data).self::$DIMENSION_UNITS[$data & self::UNIT_MASK];
      case self::TYPE_FRACTION:
        return $this->_complexToFloat($data).self::$FRACTION_UNITS[$data & self::UNIT_MASK];
      case self::TYPE_FLOAT:
        return $this->_int2float($data);
    }
    if ($type >=self::TYPE_INT_DEC && $type < self::TYPE_INT_COLOR_ARGB8){
      return (string)$data;
    }
    return sprintf(\'<0x%X, type 0x%02X>\', $data, $type);
  }
  private function _complexToFloat($data){
    return (float)($data & 0xFFFFFF00) * self::$RADIX_MULTS[($data>>4) & 3];
  }
  private function _int2float($v) {
    $x = ($v & ((1 << 23) - 1)) + (1 << 23) * ($v >> 31 | 1);
    $exp = ($v >> 23 & 0xFF) - 127;
    return $x * pow(2, $exp - 23);
  }
  private static function _getPackage($data){
    return ($data >> 24 == 1) ? \'android:\' : \'\';
  }
  private function getStringTab($base, $list){
    $tab = array();
    foreach ($list as $off){
      $off += $base;
      $len = $this->get16($off);
      $mask = ($len >> 0x8) & 0xFF;
      $len = $len & 0xFF;
      if ($len == $mask){
        if ($off + $len > $this->length) throw new Exception(\'String Table Overflow\', 11);
        $tab[] = substr($this->xml, $off, $len);
      }else {
        if ($off + $len * 2 > $this->length) throw new Exception(\'String Table Overflow\', 11);
        $str = substr($this->xml, $off, $len * 2);
        $tab[] = mb_convert_encoding($str, \'UTF-8\', \'UCS-2LE\');
      }
    }
    return $tab;
  }
  private function getString($id){
    if ($id > -1 && $id < $this->stringCount){
      return $this->stringTab[$id];
    }else {
      return \'\';
    }
  }
  private function getNameSpace($uri){
    for ($i=count($this->ns); $i > 0; ){
      $ns = $this->ns[--$i];
      if (isset($ns[$uri])){
        $ns = $this->getString($ns[$uri]);
        if (!empty($ns)) $ns .= \':\';
        return $ns;
      }
    }
    return \'\';
  }
  private function get32(&$off){
    $int = unpack(\'V\', substr($this->xml, $off, 4));
    $off += 4;
    return array_shift($int);
  }
  private function get32array(&$off, $size){
    if ($size <= 0) return NULL;
    $arr = unpack(\'V*\', substr($this->xml, $off, 4 * $size));
    if (count($arr) != $size) throw new Exception(\'Array Size Error\', 10);
    $off += 4 * $size;
    return $arr;
  }
  private function get16(&$off){
    $int = unpack(\'v\', substr($this->xml, $off, 2));
    $off += 2;
    return array_shift($int);
  }
  private function skip($size){
    $this->xml = substr($this->xml, $size);
    $this->length -= $size;
  }
}
//---------------------
//Apkparser类包结束 
//---------------------
?>