app-info-parser2/src/utils.js

Exact info from apk or ipa file.

'use strict';

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

function objectType(o) {
  return Object.prototype.toString.call(o).slice(8, -1).toLowerCase();
}

function isArray(o) {
  return objectType(o) === 'array';
}

function isObject(o) {
  return objectType(o) === 'object';
}

function isPrimitive(o) {
  return o === null || ['boolean', 'number', 'string', 'undefined'].includes(objectType(o));
}

function isBrowser() {
  return typeof window !== 'undefined' && typeof document !== 'undefined';
}

/**
 * 根据resourceMap解析apkInfo中的文件位置
 * @param {Object} apkInfo // apk安装包解析出来的信息
 * @param {Object} resourceMap // resourceMap
 */
function mapInfoResource(apkInfo, resourceMap) {
  iteratorObj(apkInfo);
  return apkInfo;
  function iteratorObj(obj) {
    for (var i in obj) {
      if (isArray(obj[i])) {
        iteratorArray(obj[i]);
      } else if (isObject(obj[i])) {
        iteratorObj(obj[i]);
      } else if (isPrimitive(obj[i])) {
        if (isResouces(obj[i])) {
          obj[i] = resourceMap[transKeyToMatchResourceMap(obj[i])];
        }
      }
    }
  }

  function iteratorArray(array) {
    var l = array.length;
    for (var i = 0; i < l; i++) {
      if (isArray(array[i])) {
        iteratorArray(array[i]);
      } else if (isObject(array[i])) {
        iteratorObj(array[i]);
      } else if (isPrimitive(array[i])) {
        if (isResouces(array[i])) {
          array[i] = resourceMap[transKeyToMatchResourceMap(array[i])];
        }
      }
    }
  }

  function isResouces(attrValue) {
    if (!attrValue) return false;
    if (typeof attrValue !== 'string') {
      attrValue = attrValue.toString();
    }
    return attrValue.indexOf('resourceId:') === 0;
  }

  function transKeyToMatchResourceMap(resourceId) {
    return '@' + resourceId.replace('resourceId:0x', '').toUpperCase();
  }
}

/**
 * 查找 apk 文件解析信息中的 icon 文件位置
 * @param info // apk文件解析出来的信息
 */
function findApkInfoIcon(info) {
  if (info.application.icon && info.application.icon.splice) {
    var _ret = function () {
      var rulesMap = {
        mdpi: 48,
        hdpi: 72,
        xhdpi: 96,
        xxdpi: 144,
        xxxhdpi: 192
      };
      var resultMap = {};
      var maxDpiIcon = { dpi: 120, icon: '' };

      var _loop = function _loop(i) {
        info.application.icon.some(function (icon) {
          if (icon.indexOf(i) !== -1) {
            resultMap['application-icon-' + rulesMap[i]] = icon;
            return true;
          }
        });

        // 取出最大规格的icon
        if (resultMap['application-icon-' + rulesMap[i]] && rulesMap[i] >= maxDpiIcon.dpi) {
          maxDpiIcon.dpi = rulesMap[i];
          maxDpiIcon.icon = resultMap['application-icon-' + rulesMap[i]];
        }
      };

      for (var i in rulesMap) {
        _loop(i);
      }

      if (Object.keys(resultMap).length === 0 || !maxDpiIcon.icon) {
        maxDpiIcon.dpi = 120;
        maxDpiIcon.icon = info.application.icon[0] || '';
        resultMap['applicataion-icon-120'] = maxDpiIcon.icon;
      }
      return {
        v: maxDpiIcon.icon
      };
    }();

    if ((typeof _ret === 'undefined' ? 'undefined' : _typeof(_ret)) === "object") return _ret.v;
  } else {
    throw new Error('Unexpected icon type: ', info.application.icon);
  }
}

/**
 * 查找 ipa 文件解析信息中的 icon 文件位置
 * @param info // ipa文件解析出来的信息
 */
function findIpaInfoIcon(info) {
  if (info.CFBundleIcons && info.CFBundleIcons.CFBundlePrimaryIcon && info.CFBundleIcons.CFBundlePrimaryIcon.CFBundleIconFiles && info.CFBundleIcons.CFBundlePrimaryIcon.CFBundleIconFiles.length) {
    return info.CFBundleIcons.CFBundlePrimaryIcon.CFBundleIconFiles[info.CFBundleIcons.CFBundlePrimaryIcon.CFBundleIconFiles.length - 1];
  } else if (info.CFBundleIconFiles && info.CFBundleIconFiles.length) {
    return info.CFBundleIconFiles[info.CFBundleIconFiles.length - 1];
  } else {
    return '.app/Icon.png';
  }
}

/**
 * 将buffer转为base64编码
 * @param {Buffer} buffer
 */
function getBase64FromBuffer(buffer) {
  return 'data:image/png;base64,' + buffer.toString('base64');
}

/**
 * 去除unicode空字符
 * @param {String} str
 */
function decodeNullUnicode(str) {
  if (typeof str === 'string') {
    // eslint-disable-next-line
    str = str.replace(/\u0000/g, '');
  }
  return str;
}

module.exports = {
  isArray: isArray,
  isObject: isObject,
  isPrimitive: isPrimitive,
  isBrowser: isBrowser,
  mapInfoResource: mapInfoResource,
  findApkInfoIcon: findApkInfoIcon,
  findIpaInfoIcon: findIpaInfoIcon,
  getBase64FromBuffer: getBase64FromBuffer,
  decodeNullUnicode: decodeNullUnicode
};