Blame for api/index.html

<!doctype html>
<html lang="zh-CN">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>SecureMed</title>
  <style>
    :root { color-scheme: light; font-family: system-ui, -apple-system, sans-serif; color: #183044; background: #f2f6f8; }
    * { box-sizing: border-box; }
    body { margin: 0; }
    header { background: #123b52; color: white; padding: 1.2rem max(1rem, calc((100vw - 980px)/2)); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
    header strong { font-size: 1.25rem; letter-spacing: .02em; }
    header span { color: #c5e7ed; font-size: .9rem; }
    main { max-width: 980px; margin: 2rem auto; padding: 0 1rem; }
    .card { background: white; border: 1px solid #d9e5e9; border-radius: 15px; padding: 1.5rem; box-shadow: 0 10px 30px #16384b0b; margin-bottom: 1rem; }
    h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin: 0 0 .7rem; }
    h2 { font-size: 1.15rem; margin: 0 0 1rem; }
    p { line-height: 1.55; }
    .muted { color: #607584; }
    .row { display: flex; gap: .7rem; flex-wrap: wrap; align-items: center; }
    .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1rem; }
    button { border: 0; border-radius: 9px; padding: .75rem 1rem; font: inherit; font-weight: 650; cursor: pointer; background: #007b83; color: white; }
    button.secondary { background: #e7f2f3; color: #075d66; }
    button:disabled { opacity: .55; cursor: wait; }
    input { width: 100%; padding: .72rem .8rem; border: 1px solid #afc3cc; border-radius: 8px; font: inherit; background: white; }
    label { display: block; font-weight: 620; margin: .7rem 0 .35rem; }
    form button { margin-top: .9rem; }
    #notice { min-height: 1.5rem; margin: 0 0 1rem; color: #005f66; }
    #notice.error { color: #a12c30; }
    .record { border-top: 1px solid #e1ebef; padding: .65rem 0; }
    [hidden] { display: none !important; }
  </style>
</head>
<body>
  <header><strong>SecureMed</strong><span>Medical image diagnosis portal</span></header>
  <main>
    <p id="notice" role="status" aria-live="polite"></p>
    <section id="guest" class="card">
      <h1>安全地查看诊断记录</h1>
      <p class="muted">患者可以注册、查看本人记录并上传图片；医生可以查询患者并提交诊断。</p>
      <div class="row">
        <button id="google-login">使用 Google 登录</button>
        <button id="cognito-login" class="secondary">账号登录</button>
        <button id="sign-up" class="secondary">注册患者账号</button>
      </div>
      <p class="muted">身份验证由 Amazon Cognito 完成。医生账号由管理员创建。</p>
    </section>

    <section id="signed-in" hidden>
      <div class="card row" style="justify-content:space-between">
        <div><strong id="identity"></strong><div class="muted" id="role-label"></div></div>
        <button id="sign-out" class="secondary">退出登录</button>
      </div>

      <section id="patient" hidden>
        <div class="grid">
          <div class="card">
            <h2>我的病历</h2>
            <p id="patient-summary"></p>
            <div id="patient-diagnoses"></div>
            <button id="refresh-patient" class="secondary">刷新记录</button>
          </div>
          <div class="card">
            <h2>上传图片诊断</h2>
            <form id="patient-scan-form">
              <label for="patient-image">JPEG 或 PNG 图片</label>
              <input id="patient-image" type="file" accept="image/jpeg,image/png" required>
              <button type="submit">提交诊断</button>
            </form>
          </div>
        </div>
      </section>

      <section id="doctor" hidden>
        <div class="grid">
          <div class="card">
            <h2>查询患者</h2>
            <form id="lookup-form">
              <label for="lookup-id">患者 ID</label>
              <input id="lookup-id" required placeholder="P1001">
              <button type="submit">查询病历</button>
            </form>
            <div id="lookup-result"></div>
          </div>
          <div class="card">
            <h2>为患者提交诊断</h2>
            <form id="doctor-scan-form">
              <label for="doctor-patient-id">患者 ID</label>
              <input id="doctor-patient-id" required placeholder="P1001">
              <label for="doctor-image">JPEG 或 PNG 图片</label>
              <input id="doctor-image" type="file" accept="image/jpeg,image/png" required>
              <button type="submit">提交诊断</button>
            </form>
          </div>
        </div>
      </section>
    </section>
  </main>
  <script>
    const $ = id => document.getElementById(id);
    let redirectUri;
    let config;

    function notice(message, error = false) {
      $('notice').textContent = message;
      $('notice').classList.toggle('error', error);
    }

    function decodeClaims(token) {
      const payload = token.split('.')[1].replace(/-/g, '+').replace(/_/g, '/');
      return JSON.parse(atob(payload));
    }

    function base64url(bytes) {
      return btoa(String.fromCharCode(...bytes)).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
    }

    function sha256(input) {
      const k = [
        0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5,0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5,
        0xd807aa98,0x12835b01,0x243185be,0x550c7dc3,0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174,
        0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc,0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da,
        0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7,0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967,
        0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13,0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85,
        0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3,0xd192e819,0xd6990624,0xf40e3585,0x106aa070,
        0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5,0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3,
        0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208,0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
      ];
      const h = [0x6a09e667,0xbb67ae85,0x3c6ef372,0xa54ff53a,0x510e527f,0x9b05688c,0x1f83d9ab,0x5be0cd19];
      const bytes = Array.from(new TextEncoder().encode(input));
      const bitLength = bytes.length * 8;
      bytes.push(0x80);
      while (bytes.length % 64 !== 56) bytes.push(0);
      for (let i = 7; i >= 0; i--) bytes.push(Math.floor(bitLength / 2 ** (i * 8)) & 255);
      const rotr = (x, n) => (x >>> n) | (x << (32 - n));
      for (let start = 0; start < bytes.length; start += 64) {
        const w = new Array(64);
        for (let i = 0; i < 16; i++) {
          const j = start + i * 4;
          w[i] = ((bytes[j] << 24) | (bytes[j+1] << 16) | (bytes[j+2] << 8) | bytes[j+3]) >>> 0;
        }
        for (let i = 16; i < 64; i++) {
          const s0 = rotr(w[i-15],7) ^ rotr(w[i-15],18) ^ (w[i-15] >>> 3);
          const s1 = rotr(w[i-2],17) ^ rotr(w[i-2],19) ^ (w[i-2] >>> 10);
          w[i] = (w[i-16] + s0 + w[i-7] + s1) >>> 0;
        }
        let [a,b,c,d,e,f,g,q] = h;
        for (let i = 0; i < 64; i++) {
          const s1 = rotr(e,6) ^ rotr(e,11) ^ rotr(e,25);
          const ch = (e & f) ^ (~e & g);
          const t1 = (q + s1 + ch + k[i] + w[i]) >>> 0;
          const s0 = rotr(a,2) ^ rotr(a,13) ^ rotr(a,22);
          const maj = (a & b) ^ (a & c) ^ (b & c);
          const t2 = (s0 + maj) >>> 0;
          q=g; g=f; f=e; e=(d+t1)>>>0; d=c; c=b; b=a; a=(t1+t2)>>>0;
        }
        [a,b,c,d,e,f,g,q].forEach((v,i) => h[i] = (h[i] + v) >>> 0);
      }
      return new Uint8Array(h.flatMap(v => [v >>> 24, (v >>> 16)&255, (v >>> 8)&255, v&255]));
    }

    async function beginAuth(kind) {
      if (!config.domain || !config.client_id) {
        notice('登录尚未配置，请联系管理员。', true);
        return;
      }
      const verifier = base64url(crypto.getRandomValues(new Uint8Array(32)));
      const challenge = base64url(sha256(verifier));
      const state = base64url(crypto.getRandomValues(new Uint8Array(16)));
      sessionStorage.setItem('securemed_pkce', JSON.stringify({verifier, state}));
      const params = new URLSearchParams({
        response_type: 'code', client_id: config.client_id, redirect_uri: redirectUri,
        scope: 'openid email profile', state, code_challenge: challenge, code_challenge_method: 'S256'
      });
      if (kind === 'google') params.set('identity_provider', 'Google');
      const path = kind === 'signup' ? '/signup' : '/oauth2/authorize';
      location.assign(config.domain + path + '?' + params);
    }

    async function finishAuth() {
      const params = new URLSearchParams(location.search);
      if (params.has('error')) throw new Error(params.get('error_description') || '登录失败');
      if (!params.has('code')) return;
      const pending = JSON.parse(sessionStorage.getItem('securemed_pkce') || 'null');
      sessionStorage.removeItem('securemed_pkce');
      if (!pending || pending.state !== params.get('state')) throw new Error('登录状态校验失败，请重新登录');
      const body = new URLSearchParams({
        grant_type: 'authorization_code', client_id: config.client_id,
        code: params.get('code'), redirect_uri: redirectUri, code_verifier: pending.verifier
      });
      const response = await fetch(config.domain + '/oauth2/token', {
        method: 'POST', headers: {'Content-Type': 'application/x-www-form-urlencoded'}, body
      });
      const result = await response.json();
      if (!response.ok || !result.access_token) throw new Error('无法取得登录令牌');
      sessionStorage.setItem('securemed_access_token', result.access_token);
      history.replaceState(null, '', '/');
    }

    async function api(path, options = {}) {
      const token = sessionStorage.getItem('securemed_access_token');
      const response = await fetch(path, {
        ...options,
        headers: {...options.headers, Authorization: 'Bearer ' + token}
      });
      let data;
      try { data = await response.json(); } catch { data = {}; }
      if (!response.ok) {
        const error = new Error(typeof data.detail === 'string' ? data.detail : '请求失败');
        error.status = response.status;
        throw error;
      }
      return data;
    }

    function showRecords(target, records) {
      target.replaceChildren();
      if (!records.length) { target.textContent = '暂无诊断记录'; return; }
      records.forEach((item, index) => {
        const row = document.createElement('div');
        row.className = 'record';
        row.textContent = `第 ${index + 1} 次诊断：等级 ${item.diagnosis}`;
        target.append(row);
      });
    }

    async function loadPatient() {
      const data = await api('/api/patient/me');
      $('patient-summary').textContent = `${data.name} · ${data.patient_id}`;
      showRecords($('patient-diagnoses'), data.diagnoses);
      $('patient').hidden = false;
    }

    async function showSession() {
      const token = sessionStorage.getItem('securemed_access_token');
      if (!token) return;
      const claims = decodeClaims(token);
      if (claims.exp * 1000 <= Date.now()) {
        sessionStorage.removeItem('securemed_access_token');
        notice('登录已过期，请重新登录。', true);
        return;
      }
      const groups = claims['cognito:groups'] || [];
      const doctor = Array.isArray(groups) && groups.includes('doctor');
      $('identity').textContent = claims.username || claims.sub;
      $('role-label').textContent = doctor ? '医生' : '患者';
      $('guest').hidden = true;
      $('signed-in').hidden = false;
      if (doctor) {
        $('doctor').hidden = false;
      } else {
        await loadPatient();
      }
    }

    $('google-login').onclick = () => beginAuth('google');
    $('cognito-login').onclick = () => beginAuth('login');
    $('sign-up').onclick = () => beginAuth('signup');
    $('sign-out').onclick = () => {
      sessionStorage.removeItem('securemed_access_token');
      $('signed-in').hidden = true;
      $('guest').hidden = false;
      notice('已退出登录');
    };
    $('refresh-patient').onclick = () => loadPatient().catch(error => notice(error.message, true));

    async function submitScan(form, path, fileInput) {
      const body = new FormData();
      body.append('image', fileInput.files[0]);
      const result = await api(path, {method: 'POST', body});
      notice(`诊断完成：等级 ${result.diagnosis}`);
      form.reset();
      return result;
    }

    $('patient-scan-form').onsubmit = async event => {
      event.preventDefault();
      try {
        await submitScan(event.target, '/api/patient/scan', $('patient-image'));
        await loadPatient();
      } catch (error) { notice(error.message, true); }
    };
    $('lookup-form').onsubmit = async event => {
      event.preventDefault();
      try {
        const id = encodeURIComponent($('lookup-id').value.trim());
        const data = await api('/api/doctor/patients/' + id);
        $('lookup-result').replaceChildren();
        const heading = document.createElement('p');
        heading.textContent = `${data.name} · ${data.patient_id}`;
        $('lookup-result').append(heading);
        const records = document.createElement('div');
        showRecords(records, data.diagnoses);
        $('lookup-result').append(records);
        $('doctor-patient-id').value = data.patient_id;
        notice('已找到患者');
      } catch (error) { notice(error.message, true); }
    };
    $('doctor-scan-form').onsubmit = async event => {
      event.preventDefault();
      try {
        const id = encodeURIComponent($('doctor-patient-id').value.trim());
        await submitScan(event.target, '/api/doctor/scan?patient_id=' + id, $('doctor-image'));
        $('lookup-id').value = decodeURIComponent(id);
        $('lookup-form').requestSubmit();
      } catch (error) { notice(error.message, true); }
    };

    (async () => {
      try {
        const response = await fetch('/api/web-config');
        config = await response.json();
        config.domain = config.domain.replace(/\/$/, '');
        redirectUri = config.redirect_uri || location.origin + '/';
        await finishAuth();
        await showSession();
      } catch (error) { notice(error.message, true); }
    })();
  </script>
</body>
</html>