feat: add localforage

2024-04-29 16:00:47 +08:00
parent edcff9a7c7
commit 9762e15b8b
17 changed files with 726 additions and 147 deletions
--- a/src/utils/encrypt/encrypt.ts
+++ b/src/utils/encrypt/encrypt.ts
@@ -0,0 +1,169 @@
+import JSEncrypt from 'jsencrypt'
+import CryptoJS from 'crypto-js'
+
+// 加密
+export function rsaEncrypt(Str: string, afterPublicKey: string) {
+    const encryptor = new JSEncrypt()
+    encryptor.setPublicKey(afterPublicKey) // 设置公钥
+    return encryptor.encrypt(Str) // 对数据进行加密
+}
+
+// 解密
+export function rsaDecrypt(Str: string, frontPrivateKey: string) {
+    const encryptor = new JSEncrypt()
+    encryptor.setPrivateKey(frontPrivateKey) // 设置私钥
+    return encryptor.decrypt(Str) // 对数据进行解密
+}
+
+export function aesEncrypt(aeskey: string, Str: string) {
+    // 设置一个默认值，如果第二个参数为空采用默认值，不为空则采用新设置的密钥
+    const key = CryptoJS.enc.Utf8.parse(aeskey)
+    const srcs = CryptoJS.enc.Utf8.parse(Str)
+    const encrypted = CryptoJS.AES.encrypt(srcs, key, {
+        // 切记   需要和后端算法模式一致
+        mode: CryptoJS.mode.ECB,
+        padding: CryptoJS.pad.Pkcs7,
+    })
+
+    return encrypted.toString()
+}
+
+export function aesDecrypt(aeskey: string, Str: string) {
+    const key = CryptoJS.enc.Utf8.parse(aeskey)
+    const decrypt = CryptoJS.AES.decrypt(Str, key, {
+        // 切记   需要和后端算法模式一致
+        mode: CryptoJS.mode.ECB,
+        padding: CryptoJS.pad.Pkcs7,
+    })
+    return CryptoJS.enc.Utf8.stringify(decrypt).toString()
+}
+/**
+ * 获取16位随机码AES
+ * @returns {string}
+ */
+export function get16RandomNum() {
+    const chars = [
+        '0',
+        '1',
+        '2',
+        '3',
+        '4',
+        '5',
+        '6',
+        '7',
+        '8',
+        '9',
+        'A',
+        'B',
+        'C',
+        'D',
+        'E',
+        'F',
+        'G',
+        'H',
+        'I',
+        'J',
+        'K',
+        'L',
+        'M',
+        'N',
+        'O',
+        'P',
+        'Q',
+        'R',
+        'S',
+        'T',
+        'U',
+        'V',
+        'W',
+        'X',
+        'Y',
+        'Z',
+        'a',
+        'b',
+        'c',
+        'd',
+        'e',
+        'f',
+        'g',
+        'h',
+        'i',
+        'j',
+        'k',
+        'l',
+        'm',
+        'n',
+        'o',
+        'p',
+        'q',
+        'r',
+        's',
+        't',
+        'u',
+        'v',
+        'w',
+        'x',
+        'y',
+        'z',
+    ]
+    let nums = ''
+    //这个地方切记要选择16位，因为美国对密钥长度有限制，选择32位的话加解密会报错，需要根据jdk版本去修改相关jar包，有点恼火，选择16位就不用处理。
+    for (let i = 0; i < 16; i++) {
+        const id = parseInt(String(Math.random() * 61))
+        nums += chars[id]
+    }
+    return nums
+}
+//获取rsa密钥对
+export function getRsaKeys() {
+    return new Promise((resolve, reject) => {
+        window.crypto.subtle
+            .generateKey(
+                {
+                    name: 'RSA-OAEP',
+                    modulusLength: 2048, //can be 1024, 2048, or 4096
+                    publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
+                    hash: { name: 'SHA-512' }, //can be "SHA-1", "SHA-256", "SHA-384", or "SHA-512"
+                },
+                true, //whether the key is extractable (i.e. can be used in exportKey)
+                ['encrypt', 'decrypt'], //must be ["encrypt", "decrypt"] or ["wrapKey", "unwrapKey"]
+            )
+            .then(function (key) {
+                window.crypto.subtle
+                    .exportKey('pkcs8', key.privateKey)
+                    .then(function (keydata1) {
+                        window.crypto.subtle
+                            .exportKey('spki', key.publicKey)
+                            .then(function (keydata2) {
+                                const privateKey = RSA2text(keydata1, 1)
+
+                                const publicKey = RSA2text(keydata2)
+
+                                resolve({ privateKey, publicKey })
+                            })
+                            .catch(function (err) {
+                                reject(err)
+                            })
+                    })
+                    .catch(function (err) {
+                        reject(err)
+                    })
+            })
+            .catch(function (err) {
+                reject(err)
+            })
+    })
+}
+
+function RSA2text(buffer: any, _isPrivate: number = 0) {
+    let binary = ''
+    const bytes = new Uint8Array(buffer)
+    const len = bytes.byteLength
+    for (let i = 0; i < len; i++) {
+        binary += String.fromCharCode(bytes[i])
+    }
+    const base64 = window.btoa(binary)
+    const text = base64.replace(/[^\x00-\xff]/g, '$&\x01').replace(/.{64}\x01?/g, '$&\n')
+
+    return text
+}