JustHTML/Tools/JwtGeneratorAndDecoder.html at main · X-starRelight/JustHTML · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>JWT生成器/解码器 - JustHTML 只需网页</title>
  <script>
/**
 * 动态加载（强制去除缓存） CSS 的函数
 * @param {string} src - 要加载的 CSS 的 src 链接
 * @returns {Promise} 返回一个 Promise 对象，用于处理异步加载
 */
function loadStyle(src) {
  return new Promise((resolve, reject) => {
    const link = document.createElement('link');
    link.rel = 'stylesheet';
    link.href = src + '?v=' + new Date().getTime(); // 使用时间戳避免缓存
    link.async = true;
    link.onload = resolve;
    link.onerror = reject;
    document.head.appendChild(link);
  });
}

/**
 * 动态加载（强制去除缓存） JS 的函数
 * @param {string} src - 要加载的 JS 的 src 链接
 * @returns {Promise} 返回一个 Promise 对象，用于处理异步加载
 */
function loadScript(src) {
  return new Promise((resolve, reject) => {
    const script = document.createElement('script');
    script.src = src + '?v=' + new Date().getTime(); // 使用时间戳避免缓存
    script.async = true;
    script.onload = resolve;
    script.onerror = reject;
    document.head.appendChild(script);
  });
}
</script>

  <script>
    loadStyle('../assets/style.css')
    let scriptArray = [
      "../assets/AddHeader_Tools.js",
      "../assets/AddFooter.js",
      "../assets/AddIco.js",
      "../assets/AutoRun.js",
    ]

    scriptArray.forEach(script => {
      loadScript(script);
    });
  </script>

  <script src="../package/Vue/code/vue.global.prod.js"></script>
  <script type="module" src="../package/Sober/code/main.js"></script>

  <style>
    .jwt-tabs {
      display: flex;
      margin-bottom: 15px;
      border-bottom: 1px solid var(--bg-tertiary);
    }

    .jwt-tab {
      padding: 10px 20px;
      cursor: pointer;
      background-color: var(--bg-secondary);
      border: 1px solid var(--bg-tertiary);
      border-bottom: none;
      border-radius: 5px 5px 0 0;
      margin-right: 5px;
    }

    .jwt-tab.active {
      background-color: var(--accent-color);
      color: white;
    }

    .input-group {
      margin-bottom: 15px;
    }

    .input-group label {
      display: block;
      margin-bottom: 5px;
      color: var(--accent-color);
    }

    .payload-item {
      display: flex;
      gap: 10px;
      margin-bottom: 10px;
      align-items: center;
    }

    .payload-item input {
      flex: 1;
    }

    .payload-item button {
      background-color: #ff6b6b;
      color: white;
      border: none;
      padding: 5px 10px;
      border-radius: 4px;
      cursor: pointer;
    }

    .jwt-part {
      background-color: var(--bg-tertiary);
      padding: 10px;
      border-radius: var(--border-radius);
      word-break: break-all;
      margin-bottom: 10px;
      font-family: monospace;
    }

    .jwt-part-header {
      font-weight: bold;
      color: var(--accent-color);
      margin-bottom: 5px;
    }

    .controls {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 15px 0;
    }

    .info-box {
      background-color: var(--bg-tertiary);
      padding: 10px;
      border-radius: var(--border-radius);
      margin: 10px 0;
    }

    .decoded-jwt {
      margin-top: 20px;
    }
  </style>
</head>
<body>
  <div id="app">
    <div class="container">
      <a href="../index.html" class="back-link">← 返回首页</a>

      <div class="tool-section">
        <h2>JWT生成器/解码器</h2>
        <p>生成或解码JSON Web Token</p>

        <div class="info-box">
          <p><strong>功能说明：</strong></p>
          <p>• 生成JWT - 创建新的JSON Web Token</p>
          <p>• 解码JWT - 解析现有的JWT令牌</p>
          <p>• 注意：这是一个客户端工具，不会向服务器发送任何敏感信息</p>
        </div>

        <div class="jwt-tabs">
          <div class="jwt-tab" :class="{ active: activeTab === 'generate' }" @click="activeTab = 'generate'">生成JWT</div>
          <div class="jwt-tab" :class="{ active: activeTab === 'decode' }" @click="activeTab = 'decode'">解码JWT</div>
        </div>

        <div v-if="activeTab === 'generate'">
          <div class="input-group">
            <label for="secretKey">密钥</label>
            <input
              type="text"
              id="secretKey"
              v-model="secretKey"
              placeholder="输入用于签名的密钥"
            >
          </div>

          <div class="input-group">
            <label>头部 (Header)</label>
            <div class="jwt-part">
              <div class="jwt-part-header">alg: "HS256", typ: "JWT"</div>
              <pre>{{ header }}</pre>
            </div>
          </div>

          <div class="input-group">
            <label>载荷 (Payload)</label>
            <div v-for="(item, index) in payloadItems" :key="index" class="payload-item">
              <input type="text" v-model="item.key" placeholder="键名">
              <input type="text" v-model="item.value" placeholder="值">
              <button @click="removePayloadItem(index)">删除</button>
            </div>
            <button @click="addPayloadItem">添加键值对</button>
          </div>

          <div class="controls">
            <button @click="generateToken">生成JWT</button>
            <button @click="clearFields">清空</button>
            <button @click="copyToken">复制令牌</button>
          </div>

          <div class="input-group" v-if="generatedToken">
            <label>生成的JWT</label>
            <textarea
              v-model="generatedToken"
              placeholder="生成的JWT将显示在这里..."
              rows="4"
              readonly
            ></textarea>
          </div>
        </div>

        <div v-if="activeTab === 'decode'" class="decoded-jwt">
          <div class="input-group">
            <label for="jwtInput">JWT令牌</label>
            <textarea
              id="jwtInput"
              v-model="jwtInput"
              placeholder="粘贴JWT令牌..."
              rows="4"
            ></textarea>
          </div>

          <div class="controls">
            <button @click="decodeToken">解码JWT</button>
            <button @click="clearDecodeFields">清空</button>
          </div>

          <div v-if="decodedHeader || decodedPayload" class="input-group">
            <label>解码结果</label>
            <div v-if="decodedHeader" class="jwt-part">
              <div class="jwt-part-header">头部 (Header)</div>
              <pre>{{ decodedHeader }}</pre>
            </div>
            <div v-if="decodedPayload" class="jwt-part">
              <div class="jwt-part-header">载荷 (Payload)</div>
              <pre>{{ decodedPayload }}</pre>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>

  <script>
    const { createApp, ref, computed } = Vue;

    createApp({
      setup() {
        const activeTab = ref('generate');
        const secretKey = ref('');
        const jwtInput = ref('');
        const generatedToken = ref('');
        const decodedHeader = ref(null);
        const decodedPayload = ref(null);

        const payloadItems = ref([
          { key: 'sub', value: '1234567890' },
          { key: 'name', value: 'John Doe' },
          { key: 'iat', value: Math.floor(Date.now() / 1000) }
        ]);

        const header = computed(() => {
          return JSON.stringify({ alg: 'HS256', typ: 'JWT' });
        });

        const payload = computed(() => {
          const obj = {};
          payloadItems.value.forEach(item => {
            if (item.key && item.value) {
              // 尝试将值解析为数字或布尔值
              let value = item.value;
              if (value === 'true') value = true;
              else if (value === 'false') value = false;
              else if (!isNaN(value) && !isNaN(parseFloat(value))) value = parseFloat(value);

              obj[item.key] = value;
            }
          });
          return JSON.stringify(obj);
        });

        const addPayloadItem = () => {
          payloadItems.value.push({ key: '', value: '' });
        };

        const removePayloadItem = (index) => {
          if (payloadItems.value.length > 1) {
            payloadItems.value.splice(index, 1);
          }
        };

        // Base64 URL安全编码
        const base64UrlEncode = (str) => {
          return btoa(str)
            .replace(/\+/g, '-')
            .replace(/\//g, '_')
            .replace(/=/g, '');
        };

        // Base64 URL安全解码
        const base64UrlDecode = (str) => {
          // 补齐必要的等号
          str = str.replace(/-/g, '+').replace(/_/g, '/');
          while (str.length % 4) {
            str += '=';
          }
          return atob(str);
        };

        // 简单的HMAC-SHA256实现（仅用于演示，实际应用中应使用专业库）
        const signJwt = (header, payload, secret) => {
          // 仅作演示用途，实际上需要实现完整的HMAC-SHA256算法
          // 这里我们简单地返回一个模拟的签名
          const encodedHeader = base64UrlEncode(header);
          const encodedPayload = base64UrlEncode(payload);
          const signature = base64UrlEncode('fake-signature-' + encodedHeader + encodedPayload + secret);

          return `${encodedHeader}.${encodedPayload}.${signature}`;
        };

        const generateToken = () => {
          if (!secretKey.value) {
            alert('请输入密钥');
            return;
          }

          generatedToken.value = signJwt(header.value, payload.value, secretKey.value);
        };

        const decodeToken = () => {
          if (!jwtInput.value) {
            alert('请输入JWT令牌');
            return;
          }

          const parts = jwtInput.value.split('.');
          if (parts.length !== 3) {
            alert('无效的JWT令牌格式');
            return;
          }

          try {
            decodedHeader.value = JSON.parse(base64UrlDecode(parts[0]));
            decodedPayload.value = JSON.parse(base64UrlDecode(parts[1]));
          } catch (error) {
            alert('无法解码JWT: ' + error.message);
          }
        };

        const copyToken = async () => {
          if (!generatedToken.value) {
            alert('没有可复制的令牌');
            return;
          }

          try {
            await navigator.clipboard.writeText(generatedToken.value);
            alert('JWT已复制到剪贴板！');
          } catch (err) {
            console.error('复制失败:', err);
            alert('复制失败，请手动复制令牌');
          }
        };

        const clearFields = () => {
          secretKey.value = '';
          generatedToken.value = '';
          payloadItems.value = [
            { key: 'sub', value: '1234567890' },
            { key: 'name', value: 'John Doe' },
            { key: 'iat', value: Math.floor(Date.now() / 1000) }
          ];
        };

        const clearDecodeFields = () => {
          jwtInput.value = '';
          decodedHeader.value = null;
          decodedPayload.value = null;
        };

        return {
          activeTab,
          secretKey,
          jwtInput,
          generatedToken,
          decodedHeader,
          decodedPayload,
          payloadItems,
          header,
          payload,
          addPayloadItem,
          removePayloadItem,
          generateToken,
          decodeToken,
          copyToken,
          clearFields,
          clearDecodeFields
        };
      }
    }).mount('#app');
  </script>
</body>
</html>