SSdk.js

var SSdk = (function() {
    /**@description SDK 版本 */
    this.version = "1.0.0";

    /**@description SDK 名称 */
    this.name = "cocos-creator 敏感词屏蔽SDK";

    /**@description 是否开启敏感词检测 */
    this._open_check = false;

    /**@description 应用的ID */
    this._app_id = "test";

    /**@description 应用的密钥 */
    this._app_secret = "test";

    /**@description 敏感词词库 */
    this._s_content = [];

    /**@description 是否开启log */
    this._console_log = true;

    /**@description 数据校验的md5 */
    this._s_md5 = "";

    /**@description 缓存已经验证过的文本 */
    this._had_ver = {};

    /**@description 设置md5 */
    this.set_s_md5 = function(_s_md5) {
        this._s_md5 = _s_md5;
    }

    /**@description 设置应用的Secret */
    this.set_app_secret = function(_app_secret) {
        this._app_secret = _app_secret;
    }

    /**@description 设置应用ID */
    this.set_app_id = function(_app_id) {
        this._app_id = _app_id;
    }

    /**@description 开启log */
    this.close_log = function() {
        this._console_log = false;
    }

    /**@description 打印日志 */
    this._log = function(content) {
        if (this._console_log) {
            console.log(content);
        }
    }

    /**@description 开启敏感词检测 true 开启检车 false 关闭检测 */
    this.set_open_check = function(_open_check) {
        this._open_check = _open_check;
    }


    this.get = function(url, body, success, fail) {
        var xhr = new XMLHttpRequest();
        var self = this;
        xhr.onreadystatechange = function() {
            if (xhr.readyState == 4 && (xhr.status >= 200 && xhr.status < 400)) {
                var response = xhr.responseText;
                success && success(response);
            } else {
                fail && fail(xhr);
            }
        };
        xhr.open("GET", url, true);
        xhr.responseType = "text";
        xhr.send(body);
    }

    this.post = function(url, body, success, fail) {
        var xhr = new XMLHttpRequest();
        xhr.onreadystatechange = function() {
            if (xhr.readyState == 4 && (xhr.status >= 200 && xhr.status < 400)) {
                var response = xhr.responseText;
                success && success(response);
            } else {
                fail && fail(xhr);
            }
        };

        xhr.open("POST", url, true);
        xhr.setRequestHeader("Content-Type", "application/json");
        xhr.send(body);
    }

    /**@description SDK 初始化 传递当前SDK是否开启 请求当下的敏感词库 */
    this.init = function() {
        this._s_content = word;
        this._log("敏感词版本号" + this.version + "敏感词SDK名称 = " + this.name);
        if (this._open_check) {
            var data = {}
            data["app_id"] = this._app_id;
            data["app_secret"] = this._app_secret;
            var self = this;
            this.post("https://maple-test.icesimba.cn/maple/notoken/sensitive/word/download", JSON.stringify(data), function(res) {
                var download_data = JSON.parse(res);
                self.set_s_md5(download_data.obj.md5);
                this.get(download_data.obj.url, "", function(tres) {
                    var sumtdata = "[\"" + tres.replace(/\r\n/g, "\",\"") + "\"]";
                    var tdata = sumtdata.replace("\"石国	\"", "石国  ");
                    // 将敏感词库换成JSON数组
                    self._s_content = JSON.parse(tdata);
                }, function(res) {
                    console.log("下载失败的字体", res);
                })
            }.bind(this), function(res) { console.log("请求失败", res) });

        } else {
            this._log("敏感词库初始化失败 需要开启敏感词库");
        }
    }

    /**@description 检测敏感词 */
    this.check = function(content, replace) {
        if (!this._open_check) {
            return content;
        }

        var replace_char = "*";
        if (replace) {
            replace_char = replace;
        }

        if (!content) {
            this._log("检测内容报错");
            return "";
        }
        // 判断是否已经缓存过
        if (this._had_ver[content]) {
            return this._had_ver[content];
        }
        var _checked_str = this.replace_str(content, replace_char)
        this._had_ver[content] = _checked_str
        return _checked_str;
    }

    this.replace_str = function(str, replace_char) {
        var len = str.length;
        // 长度从len -> 1;
        for (var i = len; i > 0; --i) {
            // 起点从0 -> len-i;
            for (var j = 0; j <= len - i; ++j) {
                var substr = str.substr(j, i);
                  var t_data = this._s_content.indexOf(substr);
                  if (t_data != -1) {
                      var prev = str.substr(0, j);
                      var curr = replace_char.repeat(i);
                      var next = str.substr(i + j, len - i - j);
                      return this.replace_str(prev, replace_char) + curr + this.replace_str(next, replace_char);
                  }
            }
        }
        return str;
    }
});

var ssdk = new SSdk();
ssdk.set_open_check(true);
ssdk.init();
module.exports = ssdk;