新拓展:存档本地化

extensions/localSave.js

@@ -0,0 +1,76 @@
+/**
+ * 离线游戏使用本地存储扩展。
+ * 开启本拓展后，将会把所有存档存至 _saves 目录下。
+ * 需配合样板V2.8.2+使用
+ */
+
+"use strict";
+
+(function () {
+    // 将这一行改成 false 可以禁用本拓展
+    var __enabled = true;
+
+    if (window.jsinterface || !window.fs || !__enabled) return;  
+
+    function rewrite() {
+        core.utils._setLocalForage_set = function (name, str, callback) {
+            var data = LZString.compressToBase64(str);
+            core.saves.cache[name] = data;
+            fs.writeFile('_saves/' + name, data, 'utf-8', callback);
+        }
+
+        core.utils._getLocalForage_get = function (name, callback) {
+            fs.readFile('_saves/' + name, 'utf-8', function (err, data) {
+                if (err) return callback(err);
+                callback(null, data);
+            });
+        }
+
+        core.utils.decompress = function (data) {
+            try {
+                return JSON.parse(LZString.decompressFromBase64(data))
+            } catch (e) {
+                return null;
+            }
+        }
+
+        core.utils._removeLocalForage_remove = function (name, callback) {
+            fs.deleteFile('_saves/' + name, callback);
+        }
+
+        core.utils.clearLocalForage = function (name, callback) {
+            // Nothing to do
+        }
+
+        core.utils.iterateLocalForage = function (iter, callback) {
+            fs.readdir('_saves', function (err, data) {
+                if (err) callback(err);
+                else {
+                    data.forEach(function (one) {
+                        iter(null, one, null);
+                    });
+                    callback();
+                }
+            });
+        }
+
+        core.utils.keysLocalForage = function (callback) {
+            fs.readdir('_saves', callback);
+        }
+
+        core.utils.lengthLocalForage = function (callback) {
+            fs.readdir('_saves', function (err, data) {
+                if (err) callback(err);
+                else callback(null, data.length);
+            });
+        }
+    }
+
+    fs.mkdir('_saves', function (err) {
+        if (err) return;
+        rewrite();
+        core.control.getSaveIndexes(function (indexes) { core.saves.ids = indexes; });
+    });
+})();
+
+

libs/core.js

@@ -125,7 +125,8 @@ function core() {
             "now": 0,
         },
         "favorite": [],
-        "favoriteName": {}
+        "favoriteName": {},
+        "cache": {}
     }
     this.initStatus = {
         'played': false,

libs/utils.js

@@ -214,18 +214,7 @@ utils.prototype.setLocalStorage = function (key, value) {
         var str = JSON.stringify(value).replace(/[\u007F-\uFFFF]/g, function (chr) {
             return "\\u" + ("0000" + chr.charCodeAt(0).toString(16)).substr(-4)
         });
-        var compressed = lzw_encode(str);
-
-        // test if we can save to localStorage
-        localStorage.setItem("__tmp__", compressed);
-        if (lzw_decode(localStorage.getItem("__tmp__")) == str) {
-            localStorage.setItem(core.firstData.name + "_" + key, compressed);
-        }
-        else {
-            // We cannot compress the data
-            localStorage.setItem(core.firstData.name + "_" + key, str);
-        }
-        localStorage.removeItem("__tmp__");
+        localStorage.setItem(core.firstData.name + "_" + key, str);
 
         if (key == 'autoSave') core.saves.ids[0] = true;
         else if (/^save\d+$/.test(key)) core.saves.ids[parseInt(key.substring(4))] = true;
@@ -240,8 +229,11 @@ utils.prototype.setLocalStorage = function (key, value) {
 
 ////// 获得本地存储 //////
 utils.prototype.getLocalStorage = function (key, defaultValue) {
-    var res = this.decompress(localStorage.getItem(core.firstData.name + "_" + key));
-    return res == null ? defaultValue : res;
+    try {
+        return JSON.parse(localStorage.getItem(core.firstData.name + "_" + key));
+    } catch (e) {
+        return defaultValue;
+    }
 }
 
 ////// 移除本地存储 //////
@@ -271,13 +263,18 @@ utils.prototype.setLocalForage = function (key, value, successCallback, errorCal
             if (successCallback) successCallback();
         }
     }
+    this._setLocalForage_set(name, str, callback);
+}
 
+utils.prototype._setLocalForage_set = function (name, str, callback) {
     if (window.jsinterface && window.jsinterface.setLocalForage) {
         var id = setTimeout(null);
         core['__callback' + id] = callback;
+        core.saves.cache[name] = str;
         window.jsinterface.setLocalForage(id, name, str);
     } else {
         var compressed = str.length > 100000 ? LZString.compress(str) : lzw_encode(str);
+        core.saves.cache[name] = compressed;
         localforage.setItem(name, compressed, callback);
     }
 }
@@ -289,6 +286,7 @@ utils.prototype.getLocalForage = function (key, defaultValue, successCallback, e
             if (errorCallback) errorCallback(err);
         }
         else {
+            core.saves.cache[name] = value;
             if (!successCallback) return;
             if (value != null) {
                 var res = core.utils.decompress(value);
@@ -298,7 +296,13 @@ utils.prototype.getLocalForage = function (key, defaultValue, successCallback, e
             successCallback(defaultValue);
         }
     };
+    if (core.saves.cache[name] != null) {
+        return callback(null, core.saves.cache[name]);
+    }
+    this._getLocalForage_get(name, callback);
+}
 
+utils.prototype._getLocalForage_get = function (name, callback) {
     if (window.jsinterface && window.jsinterface.getLocalForage) {
         var id = setTimeout(null);
         core['__callback' + id] = callback;
@@ -320,7 +324,11 @@ utils.prototype.removeLocalForage = function (key, successCallback, errorCallbac
             if (successCallback) successCallback();
         }
     }
+    delete core.saves.cache[name];
+    this._removeLocalForage_remove(name, callback);
+}
 
+utils.prototype._removeLocalForage_remove = function (name, callback) {
     if (window.jsinterface && window.jsinterface.removeLocalForage) {
         var id = setTimeout(null);
         core['__callback' + id] = callback;
@@ -331,6 +339,7 @@ utils.prototype.removeLocalForage = function (key, successCallback, errorCallbac
 }
 
 utils.prototype.clearLocalForage = function (callback) {
+    core.saves.cache = {};
     if (window.jsinterface && window.jsinterface.clearLocalForage) {
         var id = setTimeout(null);
         core['__callback' + id] = callback;

server.py

@@ -47,11 +47,12 @@ def get_mimetype(path):
 
 def get_file(path):
 	if not os.path.isfile(path):
+		if path.startswith('_saves/'):
+			return ''
 		abort(404)
 		return None
 	if not is_sub(path):
 		abort(403)
-		return None
 	with open(path, 'rb') as f:
 		content = f.read() # str in py2 and bytes in py3
 	return content 
@@ -82,6 +83,10 @@ def all_animates():
 		else: content.append('')
 	return '@@@~~~###~~~@@@'.join(content)
 
+@app.route('/favicon.ico', methods=['GET'])
+def favicon():
+	return ''
+
 @app.route('/<path:path>', methods=['GET'])
 def static_file(path):
 	if os.path.isdir(path): 
@@ -206,6 +211,10 @@ def deleteFile():
 		shutil.rmtree(name)
 	return 'Success'
 
+@app.route('/games/upload.php', methods=['POST'])
+def upload():
+	return ''
+
 def port_used(port):
 	sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 	result = True