hex

.env.development

@@ -1,6 +1,6 @@
 NODE_ENV = developement
 VUE_APP_BASE_NAME = developement
 VUE_APP_BASE_URL = http://localhost:8080
-VUE_APP_NOTE_MAX_COUNT = 409600
+VUE_APP_NOTE_MAX_COUNT = 131072
-VUE_APP_NOTE_MAX_DESC = 400K
+VUE_APP_NOTE_MAX_DESC = 128K
 

.env.production

@@ -1,5 +1,5 @@
 NODE_ENV = production
 VUE_APP_BASE_NAME = production
 VUE_APP_BASE_URL = https://flagnote.com
-VUE_APP_NOTE_MAX_COUNT = 409600
+VUE_APP_NOTE_MAX_COUNT = 131072
-VUE_APP_NOTE_MAX_DESC = 400K
+VUE_APP_NOTE_MAX_DESC = 128K

package.json

@@ -11,12 +11,11 @@
   },
   "dependencies": {
     "axios": "^0.27.2",
-    "bluebird": "^3.7.2",
     "clipboard": "^2.0.11",
     "crypto-js": "^4.1.1",
     "escape-html": "^1.0.3",
     "file-saver": "^2.0.5",
-    "localforage": "^1.10.0",
+    "html2canvas": "^1.4.1",
     "pako": "^2.1.0",
     "qrcodejs2": "^0.0.2",
     "view-design": "^4.7.0",

public/index.html

@@ -24,29 +24,31 @@
       background-color: #dddddd
     }
   </style>
-  <script src="https://cdn.jsdelivr.net/npm/vue@2.7.14/dist/vue.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/vue@2.7.14/dist/vue.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/vue-router@3.6.5/dist/vue-router.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/vue-router@3.6.5/dist/vue-router.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/axios@0.27.2/dist/axios.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/axios@0.27.2/dist/axios.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/view-design@4.7.0/dist/iview.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/view-design@4.7.0/dist/iview.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/pako@2.1.0/dist/pako.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/pako@2.1.0/dist/pako.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/crypto-js@4.1.1/crypto-js.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/crypto-js@4.1.1/crypto-js.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/vue-i18n@8.21.1/dist/vue-i18n.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/vue-i18n@8.21.1/dist/vue-i18n.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.5/dist/FileSaver.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.5/dist/FileSaver.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/qrcodejs2@0.0.2/qrcode.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/qrcodejs2@0.0.2/qrcode.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/clipboard@2.0.11/dist/clipboard.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/clipboard@2.0.11/dist/clipboard.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/wasm-flate@1.0.2-browser/wasm_flate.js"
+  <script src="https://cdn.jsdelivr.net/npm/wasm-flate@1.0.2-browser/wasm_flate.min.js" rel="stylesheet"
     type="text/javascript"></script>
-  <script type="text/javascript">
+  <script src="https://cdn.jsdelivr.net/npm/html2canvas@1.4.1/dist/html2canvas.min.js" rel="stylesheet"
+    type="text/javascript"></script>
+  <script>
     window.wasm_flate_bg_path = "https://cdn.jsdelivr.net/npm/wasm-flate@1.0.2-browser/wasm_flate_bg.wasm"
   </script>
 

public/redirect.html

@@ -6,18 +6,11 @@
     <meta name="renderer" content="webkit" />
     <meta name="force-rendering" content="webkit" />
     <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
-    <meta name="viewport"
-        content="width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=2.0, user-scalable=yes" />
-    <meta name="keywords" content="flagnote" />
-    <meta name="description" content="flag note" />
     <meta name="theme-color" content="#ed4014" />
-    <meta name="format-detection" content="telephone=no,email=no,adress=no" />
-    <meta name="google" content="notranslate">
     <meta http-equiv="Expires" content="0" />
     <meta http-equiv="Pragma" content="no-cache" />
     <meta http-equiv="Cache-control" content="no-cache" />
     <meta http-equiv="Cache" content="no-cache" />
-    <link rel="icon" href="/static/favicon.png" />
     <title>flagnote.com</title>
     <style>
         body {
@@ -25,10 +18,7 @@
         }
     </style>
     <script>
-
         const servicePath = "";
-        //const servicePath="https://flagnote.com";
-
         function ajaxGet(url) {
             let data = null;
             let xmlhttp = new XMLHttpRequest();
@@ -62,8 +52,12 @@
 
         let keyMeta = getKeyMeta();
 
-        sessionStorage.setItem("keyMeta", JSON.stringify(keyMeta));
+        if (keyMeta && keyMeta.key) {
+            sessionStorage.setItem(keyMeta.key + ".keyMeta", JSON.stringify(keyMeta));
             location.href = "/" + keyMeta.key;
+        } else {
+            location.href = "/100006";
+        }
     </script>
 </head>
 

src/api/note.js

@@ -1,7 +1,7 @@
 import axios from "axios";
 import { getStoreKey } from "@/api/lock";
 import storage from "@/libs/storage";
-import { md5, wrap } from "@/libs/secret";
+import { md5, wrap, convertHexStringToUint8Array} from "@/libs/secret";
 import NoteConstant from "@/libs/constants";
 
 axios.interceptors.response.use(undefined, (err) => {
@@ -17,10 +17,10 @@ axios.interceptors.response.use(undefined, (err) => {
   }
 });
 
-export async function saveNote(noteForm, secret) {
+export function saveNote(noteForm, secret) {
   let storeKey = secret.storeKey;
 
-  const storeInfo = await storage.local.getText(storeKey);
+  let storeInfo = storage.local.getText(storeKey);
   let starray = storeInfo.split("|");
 
   if (starray[2] == "1") {
@@ -48,8 +48,13 @@ export async function saveNote(noteForm, secret) {
     });
   }
 
-  let bufferArrary = eval("[100,111,32,110,111,116,32," + note.text + ",100,111,32,101,118,105,108]");
+  // let bufferArrary = eval("[" + note.text + "]");
-  let array = Uint8Array.from(bufferArrary);
+  // let array = Uint8Array.from(bufferArrary);
+
+  // let encoder = new TextEncoder()
+  // let array = encoder.encode(note.text)
+  let array = convertHexStringToUint8Array(note.text)
+
   let blob = new Blob([array], { type: "application/octet-stream" });
   let form = new FormData();
   form.append("file", blob, noteForm.key);
@@ -71,13 +76,14 @@ export async function saveNote(noteForm, secret) {
   });
 }
 
-export async function deleteNote(key) {
+export function deleteNote(key) {
   let storeKey = getStoreKey(key);
-  const storeInfo = await storage.local.getText(storeKey);
+  let storeInfo = storage.local.getText(storeKey);
   let note = {
     cipher: storeInfo.substring(2, 34),
     key: key,
   };
+
   return axios({
     url: NoteConstant.servicePath + "/note/" + key + "/delete",
     method: "post",
@@ -96,28 +102,6 @@ export function getNoteBlob(key) {
   });
 }
 
-export function getNoteMetaNew(key) {
-  let url = NoteConstant.servicePath + "/note/" + key + "/noteMeta";
-  return axios({
-    url: url,
-    method: "get",
-    ignoreError: 1,
-    original: true,
-    source: true,
-  });
-}
-
-export function getKeyMetaNew() {
-  let url = NoteConstant.servicePath + "/note/keyMeta";
-  return axios({
-    url: url,
-    method: "get",
-    ignoreError: 1,
-    original: true,
-    source: true,
-  });
-}
-
 export function getNoteMeta(key) {
   let url = NoteConstant.servicePath + "/note/" + key + "/noteMeta";
   let noteMeta = null;

src/i18n/config/zh.js

@@ -26,6 +26,9 @@ const zh = {
     "100006": "服务器不可用！",
     "100011": "笔记为空!",
     "100012": "笔记过大，超过{0}!",
+    "100013": "The address is used, Copy to a new address.",
+    "100014": "The text has been modified.",
+    "800001": "Repetitive Submit!",
   }
 };
 export default zh;

src/libs/noteStorage.js

@@ -1,3 +1,4 @@
+import { getKeyMeta } from "@/api/note";
 import { getStoreKey } from "@/api/lock";
 import { wrap } from "@/libs/secret";
 import storage from "@/libs/storage";
@@ -11,7 +12,7 @@ export function setStoreText(noteForm, state, secret) {
     storeText = wrap(text, secret.secretKey);
   }
 
-  return storage.local.setText(
+  storage.local.setText(
     secret.storeKey,
     state.lock +
       "|" +
@@ -25,7 +26,8 @@ export function setStoreText(noteForm, state, secret) {
   );
 }
 
-export function setNewStoreText(noteForm,keyMeta) {
+export function setNewStoreText(noteForm) {
+  let keyMeta =getKeyMeta();
   let storeKey = getStoreKey(keyMeta.key);
 
   let text = noteForm.text;
@@ -36,7 +38,7 @@ export function setNewStoreText(noteForm,keyMeta) {
     storeText = wrap(text, keyMeta.secretKey);
   }
 
-  return storage.local.setText(
+  storage.local.setText(
     storeKey,
       "0|" +
       keyMeta.cipher +
@@ -45,6 +47,8 @@ export function setNewStoreText(noteForm,keyMeta) {
       "|" +
       storeText
   );
+
+  return keyMeta.key;
 }
 
 export function clearStoreText(key) {

src/libs/secret.js

@@ -4,6 +4,43 @@ import pako from "pako";
 
 const wasmFlate = window.wasm_bindgen;
 
+
+CryptoJS.enc.Uint8Array = {
+
+  /**
+  * WordArray转Uint8Array
+  * @param wordArray
+  * @returns {Uint8Array}
+  */
+  stringify: function (wordArray) {
+    var len = wordArray.words.length,
+      u8_array = new Uint8Array(len << 2),
+      offset = 0, word, i;
+    for (i = 0; i < len; i++) {
+      word = wordArray.words[i];
+      u8_array[offset++] = word >> 24;
+      u8_array[offset++] = (word >> 16) & 0xff;
+      u8_array[offset++] = (word >> 8) & 0xff;
+      u8_array[offset++] = word & 0xff;
+    }
+    return u8_array;
+  },
+
+  /**
+  * Uint8Array转WordArray
+  * @param u8arr
+  * @returns {WordArray}
+  */
+  parse: function (u8arr) {
+    var len = u8arr.length;
+    var words = [];
+    for (var i = 0; i < len; i++) {
+      words[i >>> 2] |= (u8arr[i] & 0xff) << (24 - (i % 4) * 8);
+    }
+    return CryptoJS.lib.WordArray.create(words, len);
+  }
+};
+
 /**
  * @word 要加密的内容
  * @keyWord String  服务器随机返回的关键字
@@ -11,14 +48,14 @@ const wasmFlate = window.wasm_bindgen;
 
 export function wrap(text, secretKey) {
   text = "FLAGNOTE#" + text;
-  let result = aesEncrypt(text, secretKey);
+  let ui8ary = noteZip(text);
-  result = noteZip(result);
+  let result = aesEncrypt(convertUint8ArrayToWordArray(ui8ary), secretKey);
   return result;
 }
 
-export function unwrap(storeText, secretKey) {
+export function unwrap(text, secretKey) {
-  let result = noteUnzip(storeText);
+  let wdary = aesDecrypt(text, secretKey);
-  result = aesDecrypt(result, secretKey);
+  let result = noteUnzip(convertWordArrayToUint8Array(wdary));
   if (result.startsWith("FLAGNOTE#")) {
     return result.substring(9);
   }
@@ -37,39 +74,37 @@ export function aesEncrypt(word, keyWord) {
   let key = CryptoJS.enc.Utf8.parse(keyWord);
   let encrypted = CryptoJS.AES.encrypt(word, key, {
     mode: CryptoJS.mode.ECB,
-    padding: CryptoJS.pad.Pkcs7,
+    padding: CryptoJS.pad.ZeroPadding,
   });
-  return encrypted.toString();
+  return encrypted.ciphertext.toString();
 }
 
 //解密
 export function aesDecrypt(word, keyWord) {
-
   let key = CryptoJS.enc.Utf8.parse(keyWord);
-  let decrypt = CryptoJS.AES.decrypt(word, key, {
+  var srcs = CryptoJS.enc.Hex.parse(word);
+  let decrypt = CryptoJS.AES.decrypt({
+    ciphertext: srcs
+  }, key, {
     mode: CryptoJS.mode.ECB,
-    padding: CryptoJS.pad.Pkcs7,
+    padding: CryptoJS.pad.ZeroPadding,
   });
-  return CryptoJS.enc.Utf8.stringify(decrypt).toString();
+  return decrypt;
 }
 
 //base64 encode
-export function encode(text) {
+// export function encode(text) {
-  return Buffer.from(text, 'utf-8').toString('base64');
+//   return Buffer.from(text, 'utf-8').toString('base64');
-}
+// }
 
 //base64 decode
-export function decode(text) {
+// export function decode(text) {
-  return Buffer.from(text,'base64').toString('utf-8');
+//   return Buffer.from(text,'base64').toString('utf-8');
-}
+// }
 
-export function noteUnzip(text) {
+export function noteUnzip(wdary) {
-  let charData = text.split(",").map(function (x) {
+  let data = unzip(wdary);
-    return parseInt(x);
+  let text = new TextDecoder().decode(data);
-  });
-  let binData = new Uint8Array(charData);
-  let data = unzip(binData);
-  text   = String.fromCharCode.apply(null, new Uint8Array(data));
   return text;
 }
 
@@ -80,51 +115,77 @@ export function noteZip(text) {
   return text;
 }
 
-export function zip(data){
+export function zip(data) {
-   if(wasmFlate.__wbindgen_wasm_module){
+  if (wasmFlate.__wbindgen_wasm_module) {
     return wasmFlate.gzip_encode_raw(data);
   }
 
   return pako.gzip(data);
 }
 
-export function unzip(data){
+export function unzip(data) {
-  if(wasmFlate.__wbindgen_wasm_module){
+  if (wasmFlate.__wbindgen_wasm_module) {
     return wasmFlate.gzip_decode_raw(data);
   }
 
   return pako.ungzip(data);
 }
 
-// function convertWordArrayToUint8Array(wordArray) {
+function convertWordArrayToUint8Array(wordArray) {
-// 	var len = wordArray.words.length,
-// 		u8_array = new Uint8Array(len << 2),
-// 		offset = 0, word, i
-// 	;
-// 	for (i=0; i<len; i++) {
-// 		word = wordArray.words[i];
-// 		u8_array[offset++] = word >> 24;
-// 		u8_array[offset++] = (word >> 16) & 0xff;
-// 		u8_array[offset++] = (word >> 8) & 0xff;
-// 		u8_array[offset++] = word & 0xff;
-// 	}
-// 	return u8_array;
-// }
 
-// function convertUint8ArrayToWordArray(u8Array) {
+  let rr = CryptoJS.enc.Uint8Array.stringify(wordArray);
-// 	var words = [], i = 0, len = u8Array.length;
+  return rr;
+  // console.log(rr)
 
-// 	while (i < len) {
-// 		words.push(
-// 			(u8Array[i++] << 24) |
-// 			(u8Array[i++] << 16) |
-// 			(u8Array[i++] << 8)  |
-// 			(u8Array[i++])
-// 		);
-// 	}
 
-// 	return {
+  // var len = wordArray.words.length,
-// 		sigBytes: words.length * 4,
+  //   u8_array = new Uint8Array(len << 2),
-// 		words: words
+  //   offset = 0, word, i
-// 	};
+  //   ;
-// }
+  // for (i = 0; i < len; i++) {
+  //   word = wordArray.words[i];
+  //   u8_array[offset++] = word >> 24;
+  //   u8_array[offset++] = (word >> 16) & 0xff;
+  //   u8_array[offset++] = (word >> 8) & 0xff;
+  //   u8_array[offset++] = word & 0xff;
+  // }
+  // return u8_array;
+}
+
+function convertUint8ArrayToWordArray(u8Array) {
+
+  let rr = CryptoJS.enc.Uint8Array.parse(u8Array);
+  return rr;
+  // console.log(rr)
+
+  // var words = [], i = 0, len = u8Array.length;
+
+  // while (i < len) {
+  //   words.push(
+  //     (u8Array[i++] << 24) |
+  //     (u8Array[i++] << 16) |
+  //     (u8Array[i++] << 8) |
+  //     (u8Array[i++])
+  //   );
+  // }
+
+  // return {
+  //   sigBytes: words.length * 4,
+  //   words: words
+  // };
+}
+
+export function convertHexStringToUint8Array(hexString) {
+  var result = [];
+  for (var i = 0; i < hexString.length; i += 2) {
+    result.push(parseInt(hexString.substr(i, 2), 16));
+  }
+  return Uint8Array.from(result);
+  // Uint8Array.from(hexString.match(/.{1,2}/g).map((byte) => parseInt(byte, 16)));
+}
+
+export function convertUint8ArrayToHexString(byteArray) {
+  return Array.prototype.map.call(byteArray, function(byte) {
+    return ('0' + (byte & 0xFF).toString(16)).slice(-2);
+  }).join('');
+}

src/libs/storage.js

@@ -1,5 +1,3 @@
-import localforage from "localforage";
-
 class Storage {
   constructor() {
     this.session = new Session();
@@ -31,23 +29,23 @@ class Session {
 
 class Local {
   setObject(key, value) {
-    return localforage.setItem(key, JSON.stringify(value));
+    localStorage.setItem(key, JSON.stringify(value));
   }
 
   getObject(key) {
-    return JSON.parse(localforage.getItem(key));
+    return JSON.parse(localStorage.getItem(key));
   }
 
   delete(key) {
-    return localforage.removeItem(key);
+    localStorage.removeItem(key);
   }
 
   setText(key, value) {
-    return localforage.setItem(key, value);
+    localStorage.setItem(key, value);
   }
 
   getText(key) {
-    return localforage.getItem(key);
+    return localStorage.getItem(key);
   }
 
   getUseSize() {

src/main.js

@@ -1,15 +1,12 @@
 import Vue from 'vue'
 import App from './App.vue'
-import getRouter from './router/'
+import router from './router'
 import axios from 'axios'
 import VueAxios from 'vue-axios'
 import './plugins/iview.js'
-import {Promise} from "bluebird";
 import i18n from './i18n/'
-
 import NoteConstant from "@/libs/constants";
 
-
 axios.defaults.baseURL = NoteConstant.servicePath;
 
 Vue.use(VueAxios, axios)
@@ -19,12 +16,10 @@ Vue.config.debug = debugFlag;
 Vue.config.devtools = debugFlag;
 Vue.config.productionTip = debugFlag;
 
-Promise.try(getRouter).then((router)=>{
+new Vue({
-    new Vue({
     i18n,
     router,
     render: h => h(App)
-    }).$mount('#app')
+}).$mount('#app')
-});
 
 

src/router/index.js

@@ -1,60 +1,74 @@
-import { getNoteMetaNew } from "@/api/note";
+import Vue from "vue";
 import VueRouter from "vue-router";
 import EditNote from "@/views/EditNote.vue";
 import ViewNote from "@/views/ViewNote.vue";
+import ErrorRoute from "@/views/ErrorRoute.vue";
 import ErrorNote from "@/views/ErrorNote.vue";
-import storage from "@/libs/storage";
+import { getNoteMeta } from "@/api/note";
 import { getStoreKey } from "@/api/lock";
+import storage from "@/libs/storage";
 
+Vue.use(VueRouter);
 
-export default async function getRouter() {
+var keyMeta = null;
-    let path = location.pathname;
+var noteMeta = null;
-    let key = path.substring(1, path.length);
+var errorMeta = null;
-    //let errorMeta = null;
 
-    if (path == "/") {
+function getKeyMetaParam() {
-        //errorMeta = 100002;
+  return keyMeta;
-        return errorRouter(100002);
+}
+
+function getNoteMetaParam() {
+  return noteMeta;
+}
+
+function getErrorMetaParam() {
+  return errorMeta;
+}
+
+function getNoteView() {
+  if (errorMeta) {
+    return;
   }
 
-    let keyMeta = storage.session.getObject("keyMeta");
+  let path = location.pathname;
-    storage.session.delete("keyMeta");
+
+  let key = path.substring(1, path.length);
+
+  keyMeta = storage.session.getObject(key+".keyMeta");
+  if (keyMeta && keyMeta.key) {
+    key = keyMeta.key;
+  }
 
   let regKey = /^[abcdefhikmnopqstuvwxyz23456789]{16}$/;
-
   if (!regKey.test(key)) {
-        return errorRouter(100002);
+    errorMeta = 100002;
+    return ErrorNote;
   }
 
   if (keyMeta && keyMeta.key) {
-        // if(document.referrer=="/"){
+    //firstEdit
-        // }
+    return EditNote;
-        return noteRouter(EditNote, keyMeta, null);
   }
 
-    let resp = await getNoteMetaNew(key);
+  //set noteMeta
+  noteMeta = getNoteMeta(key);
 
-
+  //server error
-    if (null == resp || null == resp.data) {
+  if (!noteMeta) {
-        return errorRouter(100006);
+    errorMeta = 100006;
+    return ErrorNote;
   }
 
-    let result = resp.data;
+  //invalidated key
-    if (result.code != '000000') {
+  if (!noteMeta.key) {
-        return errorRouter(parseInt(result.code));
+    errorMeta = 100002;
+    return ErrorNote;
   }
 
-    let noteMeta = result.data;
+  //validated state
-    if (null == noteMeta) {
-        return errorRouter(100001);
-    }
-    if (null == noteMeta.key) {
-        return errorRouter(100002);
-    }
-
-    //view
   if (1 == noteMeta.state) {
-        return noteRouter(ViewNote, keyMeta, noteMeta);
+    return ViewNote;
   }
 
   //deleted
@@ -63,69 +77,51 @@ export default async function getRouter() {
     storage.local.delete(storeKey);
     // user deleted
     if (noteMeta.ttl > 0) {
-            // errorMeta = 100003;
+      errorMeta = 100003;
-            return errorRouter(100003);
+      return ErrorNote;
     } else {// timeout
-            // errorMeta = 100004;
+      errorMeta = 100004;
-            return errorRouter(100004);
+      return ErrorNote;
     }
   }
 
-    //edit or unsubmitted
   if (null == noteMeta.state) {
     let storeKey = getStoreKey(key);
-        const storeInfo = await storage.local.getText(storeKey);
-
     //if has storage , then edit
-        if (null != storeInfo) {
+    if (storage.local.getText(storeKey)) {
-            return noteRouter(EditNote, keyMeta, noteMeta);
+      return EditNote;
-        }
+    } else {
-
       //storage is empty 
       let df = storage.session.getText(storeKey + "_delete")
       if (df) {//unsubmitted,user deleted.
-            // errorMeta = 100003;
+        errorMeta = 100003;
-            return errorRouter(100003);
+        return ErrorNote;
       } else {//unsubmitted
-            // errorMeta = 100005;
+        errorMeta = 100005;
-            return errorRouter(100005);
+        return ErrorNote;
       }
     }
-    return errorRouter(100001);
+  }
+
+  // other exception
+  errorMeta = 100001;
+  return ErrorNote;
 }
 
-function noteRouter(noteView, keyMeta, noteMeta) {
+const routes = [
-    const routes = [
+  { path: "/error_:code([0-9]{6})", component: ErrorNote },
   {
     path: "/:name([a-z0-9]{10,20})",
     name: "note",
-            component: noteView,
+    component: getNoteView(),
-            meta: { keyMeta: keyMeta, noteMeta: noteMeta },
+    meta: { keyMeta: getKeyMetaParam(), noteMeta: getNoteMetaParam(), errorMeta: getErrorMetaParam() },
-        }
+  },
-    ];
+  { path: "/:path(.*)", component: ErrorRoute }
+];
 
-    const router = new VueRouter({
+const router = new VueRouter({
   routes,
   mode: "history",
-    });
+});
-    return router;
-}
-
-
-function errorRouter(errorCode) {
-    const routes = [
-        {
-            path: "/:name([a-z0-9]{10,20})",
-            name: "error",
-            component: ErrorNote,
-            errorMeta: errorCode
-        }
-    ];
-
-    const router = new VueRouter({
-        routes,
-        mode: "history",
-    });
-    return router;
-}
 
+export default router;

src/views/EditNote.vue

@@ -100,7 +100,7 @@
                 <Button-group size="large">
                   <Button aria-label="publish" type="error" :loading="model.submitting"
                     style="margin-left:5px; border-radius: 0px;font-size: 21px;" @click="submitNote()"
-                    icon="md-share"></Button>
+                    icon="md-cloud-upload"></Button>
                   <Button aria-label="menu" type="error" style="margin-left:3px; border-radius: 0px;font-size: 24px;"
                     @click="switchMenu()" @blur.native="hideMenu()" icon="md-menu"></Button>
 
@@ -113,18 +113,12 @@
               <Button-group vertical size="large">
                 <Button aria-label="create note" type="error" style="border-radius: 0px;font-size: 24px;"
                   @click="createNote(); switchMenu(); " icon="md-add"></Button>
-                <!--
 
-                    <Button type="error" icon="md-refresh" style="border-radius: 0px;font-size: 14px;font-size: 24px;"
+                <Button aria-label="crop" v-show="model.showDownloadText" type="error"
-                    @click="refreshPage()"></Button>
+                  style="border-radius: 0px;font-size: 24px;" @click="saveImage(); switchMenu();" icon="md-crop"></Button>
-                  -->
 
                 <Button aria-label="download text" v-show="model.showDownloadText" type="error"
-                  style="border-radius: 0px;font-size: 24px;" @click="downLoadText(); switchMenu(); "
+                  style="border-radius: 0px;font-size: 24px;" @click="downLoadText(); switchMenu();"
-                  icon="md-download"></Button>
-
-                <Button aria-label="history text" v-show="model.showHistoryText" type="error"
-                  style="border-radius: 0px;font-size: 24px;" @click="downLoadText(); switchMenu(); "
                   icon="md-download"></Button>
 
                 <Button type="error" icon="md-trash" style="border-radius: 0px;font-size: 24px;"
@@ -149,7 +143,7 @@
               :lg="{ span: 18, offset: 3 }" :xl="{ span: 16, offset: 4 }" :xxl="{ span: 16, offset: 4 }">
             <Card :padding="0">
               <Form :model="noteForm" :label-width="80">
-                <div id="wrapper" style="border-left: 2px solid #ed4014;">
+                <div ref="html2canvas" id="wrapper" style="border-left: 2px solid #ed4014;">
                   <Input element-id="noteText" type="textarea" :border="false" v-model="noteForm.text" autofocus
                     :autosize="{ minRows: 30, maxRows: 409600 }" :placeholder="$t('content.noteTip')" @input="recordText"
                     @on-keydown="recordEventKdown" />
@@ -163,7 +157,7 @@
 
       </Content>
 
-      <Footer class="layout-footer-center">2022 &copy; flagnote.com</Footer>
+      <Footer class="layout-footer-center">2023 &copy; flagnote.com</Footer>
     </Layout>
 
     <Modal v-model="model.showDelete" width="360" footer-hide class-name="fnmodal" :styles="{ borderRadius: 0 }">
@@ -197,11 +191,11 @@ import { unwrap } from '../libs/secret'
 import { saveNote } from "@/api/note";
 import { getStoreKey } from "@/api/lock";
 import storage from "@/libs/storage";
-import { setStoreText,setNewStoreText } from "@/libs/noteStorage";
+import { setStoreText, setNewStoreText } from "@/libs/noteStorage";
 import { saveAs } from 'file-saver';
 import { isWeixin } from "@/libs/utils";
 import NoteConstant from "@/libs/constants";
-import { getKeyMeta } from "@/api/note";
+import html2canvas from "html2canvas";
 
 export default {
   name: 'EditNote',
@@ -236,12 +230,15 @@ export default {
       toTopState: false,
       showMenuState: false,
       showHeaderShade: false,
-      pageSession: '',
       errorInfo: '',
+      lastEditTime: 0,
+      backStoreTextInterval: null,
+      lastStoreCount: 0,
+      lastStoreTime: 0,
     }
   },
   created() {
-    this.pageSession = new Date().getTime();
+    this.editTime = new Date().getTime();
 
     // read $route
     this.noteForm.key = this.$route.params.name;
@@ -277,26 +274,27 @@ export default {
       // }
 
       storage.local.setText(storeKey, "0|" + this.secret.cipher + "|0|" + this.state.initTime + "|");
+      storage.session.delete(keyMeta.key + ".keyMeta");
     } else {
       // second edit
       let noteMeta = this.$route.meta.noteMeta;
       this.secret.secretKey = noteMeta.secretKey;
 
-      let that = this;
+      let storeInfo = storage.local.getText(storeKey);
-
-      storage.local.getText(storeKey).then(function(storeInfo){
       let starray = storeInfo.split('|');
-        that.state.lock = parseInt(starray[0]);
+      this.state.lock = parseInt(starray[0]);
-        that.secret.cipher = starray[1];
+      this.secret.cipher = starray[1];
-        that.state.initTime = parseInt(starray[3]);
+      this.state.initTime = parseInt(starray[3]);
 
       //draw text;
       if (starray[4]) {
-          that.noteForm.text = unwrap(starray[4], that.secret.secretKey);
+        this.noteForm.text = unwrap(starray[4], this.secret.secretKey);
+      }
     }
-      });
 
-    }
+    this.lastStoreCount = this.noteForm.text.length;
+    this.lastEditTime = new Date().getTime();
+    this.lastStoreTime = this.lastEditTime;
 
     this.bindCtrlAllEvent();
     this.bindToTopEvent();
@@ -318,12 +316,15 @@ export default {
     const someOtherEl = document.querySelector('#wrapper');
 
     myObserver.observe(someOtherEl);
+
+    window.addEventListener('beforeunload', e => this.beforeunloadHandler(e))
   },
   updated() {
   },
   beforeDestroy() {
   },
   destroyed() {
+    window.removeEventListener('beforeunload', e => this.beforeunloadHandler(e))
   },
   computed: {},
   watch: {},
@@ -360,7 +361,49 @@ export default {
         return;
       }
 
+      let nowEditCount = this.noteForm.text.length;
+      let nowEditTime = new Date().getTime();
+
+      if (nowEditCount < 1024) {
         setStoreText(this.noteForm, this.state, this.secret);
+        this.lastStoreTime = nowEditTime;
+        this.lastStoreCount = nowEditCount;
+      } else {
+        if (null == this.backStoreTextInterval) {
+          this.backStoreTextInterval = window.setInterval(this.backStoreFunction(), 500);
+        }
+      }
+
+      this.lastEditTime = nowEditTime;
+    },
+    backStoreFunction() {
+      let that = this;
+      return function () {
+        that.backStoreText(that);
+      }
+    },
+    backStoreText(that) {
+      let nowEditCount = that.noteForm.text.length;
+      let nowEditTime = new Date().getTime();
+      if (Math.abs(nowEditCount - that.lastStoreCount) > 10) {
+        setStoreText(that.noteForm, that.state, that.secret);
+        that.lastStoreTime = that.lastEditTime;
+        that.lastStoreCount = nowEditCount;
+      } else {
+        if (nowEditTime - that.lastEditTime >= 1000 && nowEditTime - that.lastEditTime < 20000) {
+          if (that.lastEditTime != that.lastStoreTime) {
+            setStoreText(that.noteForm, that.state, that.secret);
+            that.lastStoreTime = that.lastEditTime;
+            that.lastStoreCount = nowEditCount;
+          }
+        } else if (nowEditTime - that.lastEditTime >= 20000) {
+          if (that.backStoreTextInterval != null) {
+            let ivl = that.backStoreTextInterval;
+            that.backStoreTextInterval = null;
+            window.clearInterval(ivl);
+          }
+        }
+      }
     },
     // recordEventKup(event) {
     // let tn = event.currentTarget.value;
@@ -400,13 +443,16 @@ export default {
         }
 
         this.noteForm.text = event.currentTarget.value;
-        setStoreText(this.noteForm, this.state, this.secret);
+        this.recordText();
 
       } else if (event.ctrlKey && (event.which == 13)) {
-        
+        //save
         this.submitNote();
       }
     },
+    save() {
+      return saveNote(this.noteForm, this.secret);
+    },
     validateForm() {
       let text = this.noteForm.text;
       if (text.length > NoteConstant.noteMaxCount) {
@@ -435,28 +481,25 @@ export default {
         return;
       }
 
-      setStoreText(this.noteForm, this.state, this.secret);
-
       this.model.submitting = true;
 
       let that = this;
-      saveNote(this.noteForm, this.secret).then(res => {
+      this.save().then(res => {
         if (res.data && res.data.code == "000000") {
           storage.session.setText(that.secret.storeKey + "_share", '1');
 
           that.state.commited = 1;
-          setStoreText(this.noteForm, this.state, this.secret).then(function(){
+          setStoreText(this.noteForm, this.state, this.secret);
+
           location.reload();
-          });
+          this.state.locking = 0;
         } else {
           alert(res.data.code);
           this.model.submitting = false;
           this.state.locking = 0;
-          if(res.data.code=="100013"||res.data.code=="800001"){
+          if (res.data.code == "100013" || res.data.code == "800001") {
-            let keyMeta = getKeyMeta();
+            let key = setNewStoreText(this.noteForm);
-            setNewStoreText(this.noteForm,keyMeta).then(function () {
+            location.href = "/" + key;
-              location.href="/"+keyMeta.key;
-            });
           }
 
         }
@@ -502,7 +545,65 @@ export default {
           }
         }
       }
+    },
+    dataURLToBlob(dataurl) {
+      let arr = dataurl.split(',');
+      let mime = arr[0].match(/:(.*?);/)[1];
+      let bstr = atob(arr[1]);
+      let n = bstr.length;
+      let u8arr = new Uint8Array(n);
+      while (n--) {
+        u8arr[n] = bstr.charCodeAt(n);
       }
+      return new Blob([u8arr], { type: mime });
+    },
+    saveImage() {
+      let canvasID = this.$refs["html2canvas"];
+
+      let that = this;
+      let a = document.createElement('a');
+      html2canvas(canvasID, {
+        scale: 1,
+        windowWidth: parseInt(document.getElementById("noteText").offsetWidth) + 2,
+        onclone: (clonedDocument) => {
+          let nt = clonedDocument.getElementById("noteText");
+          const div = clonedDocument.createElement('div')
+          div.innerText = nt.value
+
+          div.style.color = "black";
+          div.style.padding = "10px";
+          div.style.textAlign = "left";
+          div.style.wordBreak = "break-word";
+          div.style.whiteSpace = "pre-wrap";
+          div.style.verticalAlign = "top";
+          div.style.fontSize = "15px";
+          div.style.width = "100%";
+          div.style.border = "0px";
+          div.style.fontFamily = "'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial, sans-serif";
+
+          nt.style.display = 'none'
+
+          nt.parentElement.parentElement.style.borderLeftColor = "white";
+
+          nt.parentElement.append(div)
+        }
+      }).then(canvas => {
+        let dom = document.body.appendChild(canvas);
+        dom.style.display = 'none';
+        a.style.display = 'none';
+        document.body.removeChild(dom);
+        let blob = that.dataURLToBlob(dom.toDataURL('image/png'));
+        a.setAttribute('href', URL.createObjectURL(blob));
+        a.setAttribute('download', that.noteForm.key + '.png');
+        document.body.appendChild(a);
+        a.click();
+        URL.revokeObjectURL(blob);
+        document.body.removeChild(a);
+      });
+    },
+    beforeunloadHandler() {
+      this.recordText();
+    },
   }
 }
 </script>

src/views/ErrorNote.vue

@@ -81,7 +81,7 @@
       </Content>
 
 
-      <Footer class="layout-footer-center">2022 &copy; flagnote.com</Footer>
+      <Footer class="layout-footer-center">2023 &copy; flagnote.com</Footer>
 
     </Layout>
   </div>

src/views/ViewNote.vue

@@ -220,7 +220,7 @@
             <div id="noteMenu" :class="[showMenuState ? 'showBlock' : 'hideBlock']"
               style="z-index: 100; position: absolute;top:43px;right:0px;left:auto;">
               <Button-group vertical size="large">
-                <Button type="error" icon="md-add" style="border-radius: 0px;font-size: 24px;"
+                <Button aria-label="new note" type="error" icon="md-add" style="border-radius: 0px;font-size: 24px;"
                   @click="createNote(); switchMenu();"></Button>
 
                 <!--
@@ -228,10 +228,11 @@
                       <Button type="error" icon="md-refresh" style="border-radius: 0px;font-size: 24px;"
                       @click="refreshPage()"></Button>
                     -->
+                <Button aria-label="crop" v-show="model.showDownloadText" type="error" icon="md-crop"
+                  style="border-radius: 0px;font-size: 24px;" @click="saveImage(); switchMenu();"></Button>
 
                 <Button aria-label="download text" v-show="model.showDownloadText" type="error"
-                  style="border-radius: 0px;font-size: 24px;" @click="downLoadText(); switchMenu();"
+                  style="border-radius: 0px;font-size: 24px;" @click="downLoadText(); " icon="md-download"></Button>
-                  icon="md-download"></Button>
 
                 <Button type="error" icon="md-trash" style="border-radius: 0px;font-size: 24px;"
                   @click="showDeleteModel(); switchMenu();"></Button>
@@ -254,7 +255,7 @@
             <Col :xs="{ span: 24, offset: 0 }" :sm="{ span: 22, offset: 1 }" :md="{ span: 20, offset: 2 }"
               :lg="{ span: 18, offset: 3 }" :xl="{ span: 16, offset: 4 }" :xxl="{ span: 16, offset: 4 }">
             <Card :padding="0">
-              <div id="wrapper" style="border-left: 2px solid white;">
+              <div ref="html2canvas" id="wrapper" style="border-left: 2px solid white;">
                 <Input element-id="noteText" readonly type="textarea" :border="false" v-model="noteForm.text"
                   :autosize="{ minRows: 30, maxRows: 409600 }" :placeholder="$t('content.noteTip')" />
               </div>
@@ -266,7 +267,7 @@
 
 
       <Footer class="layout-footer-center">
-        2022 &copy; flagnote.com
+        2023 &copy; flagnote.com
       </Footer>
 
     </Layout>
@@ -331,14 +332,11 @@
     </Modal>
 
   </div>
-
-
-
 </template>
 
 <script>
 
-import { md5, unwrap } from "@/libs/secret";
+import { md5, unwrap, convertUint8ArrayToHexString} from "@/libs/secret";
 import { getStoreKey } from "@/api/lock";
 import { deleteNote, getNoteBlob } from "@/api/note";
 import storage from "@/libs/storage";
@@ -347,6 +345,7 @@ import QRCode from "qrcodejs2";
 import Clipboard from "clipboard";
 import { saveAs } from 'file-saver';
 import { isWeixin, getNoteUrl } from "@/libs/utils";
+import html2canvas from "html2canvas";
 
 export default {
   name: 'ViewNote',
@@ -420,14 +419,10 @@ export default {
 
       this.startClock();
 
-      
-      let that = this;
-      storage.local.getText(this.secret.storeKey).then(function(storeInfo){
-        that.loadText(storeInfo);
-      });
-
       storage.local.dynamicClear();
 
+      this.loadText();
+
       this.bindCtrlAllEvent();
       this.bindCopyUrlEvent();
       this.bindToTopEvent();
@@ -521,9 +516,8 @@ export default {
         that.state.ttl = that.state.initTtl - (new Date().getTime() - that.state.initTime);
 
         if (that.state.ttl <= 0) {
-          storage.local.delete(that.secret.storeKey).then(function(){
+          storage.local.delete(that.secret.storeKey);
           location.reload();
-          });
         }
       }, 1000)
     },
@@ -558,10 +552,9 @@ export default {
       this.model.deleting = true;
       let that = this;
       deleteNote(this.noteForm.key).then(res => {
-        if (res.data&&res.data.code=="000000") {
+        if (res.data && res.data.code == "000000") {
-          storage.local.delete(that.secret.storeKey).then(function(){
+          storage.local.delete(that.secret.storeKey);
           location.reload();
-          });
         } else {
           that.model.deleting = false;
         }
@@ -569,9 +562,11 @@ export default {
         alert(error);
       });
     },
-    loadText(storeInfo) {
+    loadText() {
       let that = this;
 
+      let storeInfo = storage.local.getText(this.secret.storeKey);
+
       let starray = [];
       if (storeInfo) {
         starray = storeInfo.split('|');
@@ -594,9 +589,9 @@ export default {
               return;
             }
 
-            var bytes = new Uint8Array(e.target.result);
+            // let decoder = new TextDecoder();
-            bytes = bytes.subarray(7,bytes.length-7);
+            // let bytesString = decoder.decode(e.target.result);
-            let bytesString = bytes.join(",");
+            let bytesString = convertUint8ArrayToHexString(new Uint8Array(e.target.result));
             that.noteForm.text = unwrap(bytesString, that.secret.secretKey);
             //that.noteForm.escapeText = getEscapeText(that.noteForm.text);
 
@@ -668,6 +663,62 @@ export default {
         }
       }
     },
+    dataURLToBlob(dataurl) {
+      let arr = dataurl.split(',');
+      let mime = arr[0].match(/:(.*?);/)[1];
+      let bstr = atob(arr[1]);
+      let n = bstr.length;
+      let u8arr = new Uint8Array(n);
+      while (n--) {
+        u8arr[n] = bstr.charCodeAt(n);
+      }
+      return new Blob([u8arr], { type: mime });
+    },
+    saveImage() {
+      let canvasID = this.$refs["html2canvas"];
+      let that = this;
+      let a = document.createElement('a');
+      html2canvas(canvasID,{
+        scale: 1, 
+        windowWidth: document.getElementById("noteText").offsetWidth,
+        onclone: (clonedDocument) => {
+          let nt = clonedDocument.getElementById("noteText");
+          const div = clonedDocument.createElement('div')
+          div.innerText = nt.value
+
+          div.style.color="black";
+          div.style.padding = "0px";
+          div.style.textAlign = "left";
+          div.style.wordBreak = "break-word";
+          div.style.whiteSpace = "pre-wrap";
+          div.style.verticalAlign = "top";
+          div.style.fontSize ="15px";
+          div.style.width= "100%";
+          div.style.border="0px";
+          div.style.fontFamily="'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial, sans-serif";
+
+          nt.style.display = 'none'
+
+          nt.parentElement.parentElement.style.borderLeftColor = "white";
+
+          nt.parentElement.append(div)
+        }
+      }).then(canvas => {
+        let dom = document.body.appendChild(canvas);
+        dom.style.display = 'none';
+        a.style.display = 'none';
+        document.body.removeChild(dom);
+        let blob = that.dataURLToBlob(dom.toDataURL('image/png'));
+        a.setAttribute('href', URL.createObjectURL(blob));
+        a.setAttribute('download', that.noteForm.key + '.png');
+        document.body.appendChild(a);
+        a.click();
+        URL.revokeObjectURL(blob);
+        document.body.removeChild(a);
+      });
+    },
+
+
   }
 }
 </script>

vue.config.js

@@ -8,7 +8,7 @@ module.exports = defineConfig({
   productionSourceMap: false,
 
   configureWebpack: (config) => {
-    config.experiments = { asyncWebAssembly: true,syncWebAssembly:true }
+    config.experiments = { asyncWebAssembly: true, syncWebAssembly: true }
 
 
     config.externals = {
@@ -23,7 +23,9 @@ module.exports = defineConfig({
       "iview": 'ViewUI',
       "file-saver": 'saveAs',
       "clipboard": "ClipboardJS",
-      "vue-i18n": "VueI18n"
+      "vue-i18n": "VueI18n",
+      "html2canvas": "html2canvas",
+      "wasm_flate": "wasm_flate"
     };
 
     // 为生产环境修改配置
@@ -66,7 +68,7 @@ module.exports = defineConfig({
     proxy: {
       "/note": {
         target: "https://flagnote.com/", // 后台接口域名
-//        target: "http://localhost:10000/", // 后台接口域名
+        //        target: "http://localhost:10000/", // 后台接口域名
         secure: false, // 如果是https接口，需要配置这个参数
         changeOrigin: true, //是否跨域
         pathRewrite: {