This commit is contained in:
2026-02-12 13:27:11 +08:00
parent 9ce64757fc
commit 34d3e4c715
6 changed files with 741 additions and 5 deletions

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@@ -66,6 +66,7 @@
"downloadFile": true, "downloadFile": true,
"eagerComputed": true, "eagerComputed": true,
"effectScope": true, "effectScope": true,
"encodeRequest": true,
"endsWith": true, "endsWith": true,
"escape": true, "escape": true,
"extendRef": true, "extendRef": true,
@@ -77,6 +78,8 @@
"formatMoney": true, "formatMoney": true,
"formatPhone": true, "formatPhone": true,
"fromNow": true, "fromNow": true,
"generateNonce": true,
"generateSMSRequest": true,
"generateUUID": true, "generateUUID": true,
"get": true, "get": true,
"getActivePinia": true, "getActivePinia": true,

6
auto-imports.d.ts vendored
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@@ -63,6 +63,7 @@ declare global {
const downloadFile: typeof import('./src/utils/index.js')['downloadFile'] const downloadFile: typeof import('./src/utils/index.js')['downloadFile']
const eagerComputed: typeof import('@vueuse/core')['eagerComputed'] const eagerComputed: typeof import('@vueuse/core')['eagerComputed']
const effectScope: typeof import('vue')['effectScope'] const effectScope: typeof import('vue')['effectScope']
const encodeRequest: typeof import('./src/utils/smsSignature.js')['encodeRequest']
const endsWith: typeof import('lodash-es')['endsWith'] const endsWith: typeof import('lodash-es')['endsWith']
const errorMonitor: typeof import('./src/utils/errorMonitor.js')['default'] const errorMonitor: typeof import('./src/utils/errorMonitor.js')['default']
const escape: typeof import('lodash-es')['escape'] const escape: typeof import('lodash-es')['escape']
@@ -80,6 +81,8 @@ declare global {
const formatPhone: typeof import('./src/utils/index.js')['formatPhone'] const formatPhone: typeof import('./src/utils/index.js')['formatPhone']
const fromNow: typeof import('./src/utils/index.js')['fromNow'] const fromNow: typeof import('./src/utils/index.js')['fromNow']
const generateFilename: typeof import('./src/utils/export.js')['generateFilename'] const generateFilename: typeof import('./src/utils/export.js')['generateFilename']
const generateNonce: typeof import('./src/utils/smsSignature.js')['generateNonce']
const generateSMSRequest: typeof import('./src/utils/smsSignature.js')['generateSMSRequest']
const generateUUID: typeof import('./src/utils/index.js')['generateUUID'] const generateUUID: typeof import('./src/utils/index.js')['generateUUID']
const get: typeof import('lodash-es')['get'] const get: typeof import('lodash-es')['get']
const getActivePinia: typeof import('pinia')['getActivePinia'] const getActivePinia: typeof import('pinia')['getActivePinia']
@@ -512,6 +515,7 @@ declare module 'vue' {
readonly downloadFile: UnwrapRef<typeof import('./src/utils/index.js')['downloadFile']> readonly downloadFile: UnwrapRef<typeof import('./src/utils/index.js')['downloadFile']>
readonly eagerComputed: UnwrapRef<typeof import('@vueuse/core')['eagerComputed']> readonly eagerComputed: UnwrapRef<typeof import('@vueuse/core')['eagerComputed']>
readonly effectScope: UnwrapRef<typeof import('vue')['effectScope']> readonly effectScope: UnwrapRef<typeof import('vue')['effectScope']>
readonly encodeRequest: UnwrapRef<typeof import('./src/utils/smsSignature.js')['encodeRequest']>
readonly endsWith: UnwrapRef<typeof import('lodash-es')['endsWith']> readonly endsWith: UnwrapRef<typeof import('lodash-es')['endsWith']>
readonly escape: UnwrapRef<typeof import('lodash-es')['escape']> readonly escape: UnwrapRef<typeof import('lodash-es')['escape']>
readonly extendRef: UnwrapRef<typeof import('@vueuse/core')['extendRef']> readonly extendRef: UnwrapRef<typeof import('@vueuse/core')['extendRef']>
@@ -523,6 +527,8 @@ declare module 'vue' {
readonly formatMoney: UnwrapRef<typeof import('./src/utils/index.js')['formatMoney']> readonly formatMoney: UnwrapRef<typeof import('./src/utils/index.js')['formatMoney']>
readonly formatPhone: UnwrapRef<typeof import('./src/utils/index.js')['formatPhone']> readonly formatPhone: UnwrapRef<typeof import('./src/utils/index.js')['formatPhone']>
readonly fromNow: UnwrapRef<typeof import('./src/utils/index.js')['fromNow']> readonly fromNow: UnwrapRef<typeof import('./src/utils/index.js')['fromNow']>
readonly generateNonce: UnwrapRef<typeof import('./src/utils/smsSignature.js')['generateNonce']>
readonly generateSMSRequest: UnwrapRef<typeof import('./src/utils/smsSignature.js')['generateSMSRequest']>
readonly generateUUID: UnwrapRef<typeof import('./src/utils/index.js')['generateUUID']> readonly generateUUID: UnwrapRef<typeof import('./src/utils/index.js')['generateUUID']>
readonly get: UnwrapRef<typeof import('lodash-es')['get']> readonly get: UnwrapRef<typeof import('lodash-es')['get']>
readonly getActivePinia: UnwrapRef<typeof import('pinia')['getActivePinia']> readonly getActivePinia: UnwrapRef<typeof import('pinia')['getActivePinia']>

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@@ -0,0 +1,266 @@
/**
* 短信发送接口签名示例(浏览器版本)
*
* 本示例演示如何在浏览器中为短信发送接口生成HMAC-SHA256签名
*
* 安全提示:
* 1. 密钥应该通过代码混淆、字符串拆分等方式隐藏
* 2. 不要在前端代码中直接暴露完整密钥
* 3. 建议使用构建工具进行代码混淆和压缩
* 4. 可以考虑将签名逻辑放在后端代理接口中
*/
/**
* 获取签名密钥(通过多种方式混淆,增加破解难度)
* 注意:这只是示例,实际使用时应该进一步混淆
*/
function getSecretKey() {
// 方式1: 字符串拆分和拼接
const part1 = 'TyApi2024';
const part2 = 'SMSSecret';
const part3 = 'Key!@#$%^';
const part4 = '&*()_+QWERTY';
const part5 = 'UIOP';
// 方式2: 使用数组和join增加混淆
const arr = [part1, part2, part3, part4, part5];
return arr.join('');
// 方式3: 字符数组拼接(更复杂的方式)
// const chars = ['T', 'y', 'A', 'p', 'i', '2', '0', '2', '4', ...];
// return chars.join('');
// 方式4: 使用atob解码如果密钥经过base64编码
// const encoded = 'base64_encoded_string';
// return atob(encoded);
}
/**
* 生成随机字符串用于nonce
*/
function generateNonce(length = 16) {
const chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
let result = '';
const array = new Uint8Array(length);
crypto.getRandomValues(array);
for (let i = 0; i < length; i++) {
result += chars[array[i] % chars.length];
}
return result;
}
/**
* 使用Web Crypto API生成HMAC-SHA256签名
*
* @param {Object} params - 请求参数对象
* @param {string} secretKey - 签名密钥
* @param {number} timestamp - 时间戳(秒)
* @param {string} nonce - 随机字符串
* @returns {Promise<string>} 签名字符串hex编码
*/
async function generateSignature(params, secretKey, timestamp, nonce) {
// 1. 构建待签名字符串按key排序拼接成 key1=value1&key2=value2 格式
const keys = Object.keys(params)
.filter(k => k !== 'signature') // 排除签名字段
.sort();
const parts = keys.map(k => `${k}=${params[k]}`);
// 2. 添加时间戳和随机数
parts.push(`timestamp=${timestamp}`);
parts.push(`nonce=${nonce}`);
// 3. 拼接成待签名字符串
const signString = parts.join('&');
// 4. 使用Web Crypto API计算HMAC-SHA256签名
const encoder = new TextEncoder();
const keyData = encoder.encode(secretKey);
const messageData = encoder.encode(signString);
// 导入密钥
const cryptoKey = await crypto.subtle.importKey(
'raw',
keyData,
{ name: 'HMAC', hash: 'SHA-256' },
false,
['sign']
);
// 计算签名
const signature = await crypto.subtle.sign('HMAC', cryptoKey, messageData);
// 转换为hex字符串
const hashArray = Array.from(new Uint8Array(signature));
const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
return hashHex;
}
/**
* 自定义编码字符集(与后端保持一致)
*/
const CUSTOM_ENCODE_CHARSET = "0123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz!@#$%^&*()_+-=[]{}|;:,.<>?";
/**
* 自定义Base64编码使用自定义字符集
*/
function customBase64Encode(data) {
if (data.length === 0) return '';
// 将字符串转换为UTF-8字节数组
const encoder = new TextEncoder();
const bytes = encoder.encode(data);
const charset = CUSTOM_ENCODE_CHARSET;
let result = '';
// 将3个字节24位编码为4个字符
for (let i = 0; i < bytes.length; i += 3) {
const b1 = bytes[i];
const b2 = i + 1 < bytes.length ? bytes[i + 1] : 0;
const b3 = i + 2 < bytes.length ? bytes[i + 2] : 0;
// 组合成24位
const combined = (b1 << 16) | (b2 << 8) | b3;
// 分成4个6位段
result += charset[(combined >> 18) & 0x3F];
result += charset[(combined >> 12) & 0x3F];
if (i + 1 < bytes.length) {
result += charset[(combined >> 6) & 0x3F];
} else {
result += '='; // 填充字符
}
if (i + 2 < bytes.length) {
result += charset[combined & 0x3F];
} else {
result += '='; // 填充字符
}
}
return result;
}
/**
* 应用字符偏移混淆
*/
function applyCharShift(data, shift) {
const charset = CUSTOM_ENCODE_CHARSET;
const charsetLen = charset.length;
let result = '';
for (let i = 0; i < data.length; i++) {
const c = data[i];
if (c === '=') {
result += c; // 填充字符不变
continue;
}
const idx = charset.indexOf(c);
if (idx === -1) {
result += c; // 不在字符集中,保持不变
} else {
// 应用偏移
const newIdx = (idx + shift) % charsetLen;
result += charset[newIdx];
}
}
return result;
}
/**
* 自定义编码请求数据
*/
function encodeRequest(data) {
// 1. 使用自定义Base64编码
const encoded = customBase64Encode(data);
// 2. 应用字符偏移混淆偏移7个位置
const confused = applyCharShift(encoded, 7);
return confused;
}
/**
* 发送短信验证码(带签名)- 方式2编码后传输推荐更安全
* 将所有参数(包括签名)使用自定义编码方案编码后传输,隐藏参数结构
*
* @param {string} phone - 手机号
* @param {string} scene - 场景register/login/change_password/reset_password等
* @param {string} apiBaseUrl - API基础URL
* @returns {Promise<Object>} 响应结果
*/
async function sendSMSWithEncodedSignature(phone, scene, apiBaseUrl = 'http://localhost:8080') {
// 1. 准备参数
const timestamp = Math.floor(Date.now() / 1000); // 当前时间戳(秒)
const nonce = generateNonce(16); // 生成随机字符串
const params = {
phone: phone,
scene: scene,
};
// 2. 生成签名
const secretKey = getSecretKey();
const signature = await generateSignature(params, secretKey, timestamp, nonce);
// 3. 构建包含所有参数的JSON对象
const allParams = {
phone: phone,
scene: scene,
timestamp: timestamp,
nonce: nonce,
signature: signature,
};
// 4. 将JSON对象转换为字符串然后使用自定义编码方案编码
const jsonString = JSON.stringify(allParams);
const encodedData = encodeRequest(jsonString);
// 5. 构建请求体只包含编码后的data字段
const requestBody = {
data: encodedData,
};
// 6. 发送请求
try {
const response = await fetch(`${apiBaseUrl}/api/v1/users/send-code`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(requestBody),
});
const result = await response.json();
return result;
} catch (error) {
console.error('发送短信失败:', error);
throw error;
}
}
// 如果在浏览器环境中使用,可以导出到全局
if (typeof window !== 'undefined') {
window.SMSSignature = {
sendSMSWithEncodedSignature,
generateSignature,
generateNonce,
encodeRequest,
};
}
// 如果在Node.js环境中使用需要安装crypto-js等库
if (typeof module !== 'undefined' && module.exports) {
module.exports = {
sendSMSWithEncodedSignature,
generateSignature,
generateNonce,
getSecretKey,
encodeRequest,
};
}

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@@ -0,0 +1,246 @@
/**
* 短信发送接口签名示例
*
* 本示例演示如何为短信发送接口生成HMAC-SHA256签名
*
* 安全提示:
* 1. 密钥应该通过代码混淆、字符串拆分等方式隐藏
* 2. 不要在前端代码中直接暴露完整密钥
* 3. 建议使用构建工具进行代码混淆
*/
const crypto = require('crypto');
/**
* 获取签名密钥(通过多种方式混淆,增加破解难度)
* 注意:这只是示例,实际使用时应该进一步混淆
*/
function getSecretKey() {
// 方式1: 字符串拆分和拼接
const part1 = 'TyApi2024';
const part2 = 'SMSSecret';
const part3 = 'Key!@#$%^';
const part4 = '&*()_+QWERTY';
const part5 = 'UIOP';
// 方式2: Base64解码可选增加一层混淆
// const encoded = Buffer.from('some_base64_string', 'base64').toString();
// 方式3: 字符数组拼接
const chars = ['T', 'y', 'A', 'p', 'i', '2', '0', '2', '4', 'S', 'M', 'S', 'S', 'e', 'c', 'r', 'e', 't', 'K', 'e', 'y', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P'];
const fromChars = chars.join('');
// 组合多种方式实际密钥TyApi2024SMSSecretKey!@#$%^&*()_+QWERTYUIOP
return part1 + part2 + part3 + part4 + part5;
}
/**
* 生成随机字符串用于nonce
*/
function generateNonce(length = 16) {
const chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
let result = '';
for (let i = 0; i < length; i++) {
result += chars.charAt(Math.floor(Math.random() * chars.length));
}
return result;
}
/**
* 生成HMAC-SHA256签名
*
* @param {Object} params - 请求参数对象
* @param {string} secretKey - 签名密钥
* @param {number} timestamp - 时间戳(秒)
* @param {string} nonce - 随机字符串
* @returns {string} 签名字符串hex编码
*/
function generateSignature(params, secretKey, timestamp, nonce) {
// 1. 构建待签名字符串按key排序拼接成 key1=value1&key2=value2 格式
const keys = Object.keys(params)
.filter(k => k !== 'signature') // 排除签名字段
.sort();
const parts = keys.map(k => `${k}=${params[k]}`);
// 2. 添加时间戳和随机数
parts.push(`timestamp=${timestamp}`);
parts.push(`nonce=${nonce}`);
// 3. 拼接成待签名字符串
const signString = parts.join('&');
// 4. 使用HMAC-SHA256计算签名
const signature = crypto
.createHmac('sha256', secretKey)
.update(signString)
.digest('hex');
return signature;
}
/**
* 自定义编码字符集(与后端保持一致)
*/
const CUSTOM_ENCODE_CHARSET = "0123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz!@#$%^&*()_+-=[]{}|;:,.<>?";
/**
* 自定义Base64编码使用自定义字符集
*/
function customBase64Encode(data) {
if (data.length === 0) return '';
const bytes = Buffer.from(data, 'utf8');
const charset = CUSTOM_ENCODE_CHARSET;
let result = '';
// 将3个字节24位编码为4个字符
for (let i = 0; i < bytes.length; i += 3) {
const b1 = bytes[i];
const b2 = i + 1 < bytes.length ? bytes[i + 1] : 0;
const b3 = i + 2 < bytes.length ? bytes[i + 2] : 0;
// 组合成24位
const combined = (b1 << 16) | (b2 << 8) | b3;
// 分成4个6位段
result += charset[(combined >> 18) & 0x3F];
result += charset[(combined >> 12) & 0x3F];
if (i + 1 < bytes.length) {
result += charset[(combined >> 6) & 0x3F];
} else {
result += '='; // 填充字符
}
if (i + 2 < bytes.length) {
result += charset[combined & 0x3F];
} else {
result += '='; // 填充字符
}
}
return result;
}
/**
* 应用字符偏移混淆
*/
function applyCharShift(data, shift) {
const charset = CUSTOM_ENCODE_CHARSET;
const charsetLen = charset.length;
let result = '';
for (let i = 0; i < data.length; i++) {
const c = data[i];
if (c === '=') {
result += c; // 填充字符不变
continue;
}
const idx = charset.indexOf(c);
if (idx === -1) {
result += c; // 不在字符集中,保持不变
} else {
// 应用偏移
const newIdx = (idx + shift) % charsetLen;
result += charset[newIdx];
}
}
return result;
}
/**
* 自定义编码请求数据
*/
function encodeRequest(data) {
// 1. 使用自定义Base64编码
const encoded = customBase64Encode(data);
// 2. 应用字符偏移混淆偏移7个位置
const confused = applyCharShift(encoded, 7);
return confused;
}
/**
* 发送短信验证码(带签名)- 方式2编码后传输推荐更安全
* 将所有参数(包括签名)使用自定义编码方案编码后传输,隐藏参数结构
*
* @param {string} phone - 手机号
* @param {string} scene - 场景register/login/change_password/reset_password等
* @param {string} apiBaseUrl - API基础URL
* @returns {Promise<Object>} 响应结果
*/
async function sendSMSWithEncodedSignature(phone, scene, apiBaseUrl = 'http://localhost:8080') {
// 1. 准备参数
const timestamp = Math.floor(Date.now() / 1000); // 当前时间戳(秒)
const nonce = generateNonce(16); // 生成随机字符串
const params = {
phone: phone,
scene: scene,
};
// 2. 生成签名
const secretKey = getSecretKey();
const signature = generateSignature(params, secretKey, timestamp, nonce);
// 3. 构建包含所有参数的JSON对象
const allParams = {
phone: phone,
scene: scene,
timestamp: timestamp,
nonce: nonce,
signature: signature,
};
// 4. 将JSON对象转换为字符串然后使用自定义编码方案编码
const jsonString = JSON.stringify(allParams);
const encodedData = encodeRequest(jsonString);
// 5. 构建请求体只包含编码后的data字段
const requestBody = {
data: encodedData,
};
// 6. 发送请求
try {
const response = await fetch(`${apiBaseUrl}/api/v1/users/send-code`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(requestBody),
});
const result = await response.json();
return result;
} catch (error) {
console.error('发送短信失败:', error);
throw error;
}
}
// 使用示例
if (require.main === module) {
console.log('=== 发送短信验证码(使用自定义编码) ===');
// 示例发送注册验证码使用自定义编码方案只传递data字段
sendSMSWithEncodedSignature('13800138000', 'register', 'http://localhost:8080')
.then(result => {
console.log('发送成功:', result);
})
.catch(error => {
console.error('发送失败:', error);
});
}
module.exports = {
sendSMSWithEncodedSignature,
generateSignature,
generateNonce,
getSecretKey,
encodeRequest,
};

View File

@@ -94,6 +94,7 @@
import { userApi } from '@/api' import { userApi } from '@/api'
import router from '@/router' import router from '@/router'
import { authEventBus } from '@/utils/request' import { authEventBus } from '@/utils/request'
import { generateSMSRequest } from '@/utils/smsSignature'
import { clearLocalVersions, saveLocalVersions, VERSION_CONFIG, versionChecker } from '@/utils/version' import { clearLocalVersions, saveLocalVersions, VERSION_CONFIG, versionChecker } from '@/utils/version'
import { ElMessage } from 'element-plus' import { ElMessage } from 'element-plus'
@@ -328,17 +329,19 @@ export const useUserStore = defineStore('user', () => {
} }
} }
// 发送验证码 // 发送验证码(使用自定义编码和签名)
const sendCode = async (phone, scene) => { const sendCode = async (phone, scene) => {
try { try {
const response = await userApi.sendCode({ // 1. 生成签名并编码请求数据
phone, const encodedRequest = await generateSMSRequest(phone, scene)
scene
}) // 2. 发送编码后的请求只包含data字段
const response = await userApi.sendCode(encodedRequest)
// 后端返回格式: { success: true, data: {...}, message, ... } // 后端返回格式: { success: true, data: {...}, message, ... }
return { success: true, data: response.data } return { success: true, data: response.data }
} catch (error) { } catch (error) {
console.error('发送验证码失败:', error)
return { success: false, error } return { success: false, error }
} }
} }

212
src/utils/smsSignature.js Normal file
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@@ -0,0 +1,212 @@
/**
* 短信发送接口签名和编码工具
*
* 用于生成HMAC-SHA256签名和自定义编码请求数据
*/
/**
* 自定义编码字符集(与后端保持一致)
*/
const CUSTOM_ENCODE_CHARSET = "0123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz!@#$%^&*()_+-=[]{}|;:,.<>?"
/**
* 获取签名密钥(通过多种方式混淆,增加破解难度)
* 注意:这只是示例,实际使用时应该进一步混淆
*/
function getSecretKey() {
// 方式1: 字符串拆分和拼接
const part1 = 'TyApi2024'
const part2 = 'SMSSecret'
const part3 = 'Key!@#$%^'
const part4 = '&*()_+QWERTY'
const part5 = 'UIOP'
// 方式2: 使用数组和join增加混淆
const arr = [part1, part2, part3, part4, part5]
return arr.join('')
}
/**
* 生成随机字符串用于nonce
*/
export function generateNonce(length = 16) {
const chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
let result = ''
const array = new Uint8Array(length)
crypto.getRandomValues(array)
for (let i = 0; i < length; i++) {
result += chars[array[i] % chars.length]
}
return result
}
/**
* 使用Web Crypto API生成HMAC-SHA256签名
*
* @param {Object} params - 请求参数对象
* @param {string} secretKey - 签名密钥
* @param {number} timestamp - 时间戳(秒)
* @param {string} nonce - 随机字符串
* @returns {Promise<string>} 签名字符串hex编码
*/
async function generateSignature(params, secretKey, timestamp, nonce) {
// 1. 构建待签名字符串按key排序拼接成 key1=value1&key2=value2 格式
const keys = Object.keys(params)
.filter(k => k !== 'signature') // 排除签名字段
.sort()
const parts = keys.map(k => `${k}=${params[k]}`)
// 2. 添加时间戳和随机数
parts.push(`timestamp=${timestamp}`)
parts.push(`nonce=${nonce}`)
// 3. 拼接成待签名字符串
const signString = parts.join('&')
// 4. 使用Web Crypto API计算HMAC-SHA256签名
const encoder = new TextEncoder()
const keyData = encoder.encode(secretKey)
const messageData = encoder.encode(signString)
// 导入密钥
const cryptoKey = await crypto.subtle.importKey(
'raw',
keyData,
{ name: 'HMAC', hash: 'SHA-256' },
false,
['sign']
)
// 计算签名
const signature = await crypto.subtle.sign('HMAC', cryptoKey, messageData)
// 转换为hex字符串
const hashArray = Array.from(new Uint8Array(signature))
const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join('')
return hashHex
}
/**
* 自定义Base64编码使用自定义字符集
*/
function customBase64Encode(data) {
if (data.length === 0) return ''
// 将字符串转换为UTF-8字节数组
const encoder = new TextEncoder()
const bytes = encoder.encode(data)
const charset = CUSTOM_ENCODE_CHARSET
let result = ''
// 将3个字节24位编码为4个字符
for (let i = 0; i < bytes.length; i += 3) {
const b1 = bytes[i]
const b2 = i + 1 < bytes.length ? bytes[i + 1] : 0
const b3 = i + 2 < bytes.length ? bytes[i + 2] : 0
// 组合成24位
const combined = (b1 << 16) | (b2 << 8) | b3
// 分成4个6位段
result += charset[(combined >> 18) & 0x3F]
result += charset[(combined >> 12) & 0x3F]
if (i + 1 < bytes.length) {
result += charset[(combined >> 6) & 0x3F]
} else {
result += '=' // 填充字符
}
if (i + 2 < bytes.length) {
result += charset[combined & 0x3F]
} else {
result += '=' // 填充字符
}
}
return result
}
/**
* 应用字符偏移混淆
*/
function applyCharShift(data, shift) {
const charset = CUSTOM_ENCODE_CHARSET
const charsetLen = charset.length
let result = ''
for (let i = 0; i < data.length; i++) {
const c = data[i]
if (c === '=') {
result += c // 填充字符不变
continue
}
const idx = charset.indexOf(c)
if (idx === -1) {
result += c // 不在字符集中,保持不变
} else {
// 应用偏移
const newIdx = (idx + shift) % charsetLen
result += charset[newIdx]
}
}
return result
}
/**
* 自定义编码请求数据
*/
export function encodeRequest(data) {
// 1. 使用自定义Base64编码
const encoded = customBase64Encode(data)
// 2. 应用字符偏移混淆偏移7个位置
const confused = applyCharShift(encoded, 7)
return confused
}
/**
* 生成并编码短信发送请求数据
*
* @param {string} phone - 手机号
* @param {string} scene - 场景register/login/change_password/reset_password等
* @returns {Promise<{data: string}>} 编码后的请求数据
*/
export async function generateSMSRequest(phone, scene) {
// 1. 准备参数
const timestamp = Math.floor(Date.now() / 1000) // 当前时间戳(秒)
const nonce = generateNonce(16) // 生成随机字符串
const params = {
phone: phone,
scene: scene
}
// 2. 生成签名
const secretKey = getSecretKey()
const signature = await generateSignature(params, secretKey, timestamp, nonce)
// 3. 构建包含所有参数的JSON对象
const allParams = {
phone: phone,
scene: scene,
timestamp: timestamp,
nonce: nonce,
signature: signature
}
// 4. 将JSON对象转换为字符串然后使用自定义编码方案编码
const jsonString = JSON.stringify(allParams)
const encodedData = encodeRequest(jsonString)
// 5. 返回编码后的数据
return {
data: encodedData
}
}