360/mcp-callback.html at master · 360DigitalCo/360 · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Connecting to Supabase — 360</title>
  <link rel="icon" type="image/png" href="/favicon-32x32.png" />
  <link rel="stylesheet" href="/assets/css/main.css" />
  <link rel="stylesheet" href="/assets/css/wide.css" />
  <link rel="stylesheet" href="/assets/css/gallium.css" />
  <style>
    body {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
    }
    .wrap {
      max-width: 400px;
      padding: 40px 24px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
      animation: fadeUp .4s cubic-bezier(.22,.68,0,1.1);
    }
    @keyframes fadeUp {
      from { opacity:0; transform:translateY(20px); }
      to   { opacity:1; transform:translateY(0); }
    }
    .sb-icon {
      width: 56px; height: 56px;
      background: rgba(62,207,142,.1);
      border: 1px solid rgba(62,207,142,.25);
      border-radius: 16px;
      display: flex; align-items: center; justify-content: center;
    }
    .spinner {
      width: 36px; height: 36px;
      border-radius: 50%;
      border: 3px solid rgba(62,207,142,.2);
      border-top-color: #3ECF8E;
      animation: spin .7s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }
    .status-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--txt);
      margin: 0;
    }
    body.dark .status-title { color: var(--txtd); }
    .status-sub {
      font-size: 13.5px;
      color: var(--mut);
      line-height: 1.6;
      margin: 0;
    }
    body.dark .status-sub { color: var(--mutd); }
    .status-sub.error { color: #ef4444; }
    .close-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 28px;
      border-radius: 999px;
      background: linear-gradient(120deg, var(--a), var(--a2));
      color: #050816;
      font-weight: 700;
      font-size: 14px;
      border: none;
      cursor: pointer;
      transition: opacity .2s;
      display: none;
    }
    .close-btn:hover { opacity: .87; }
    .check {
      width: 56px; height: 56px;
      background: rgba(34,197,94,.12);
      border: 1px solid rgba(34,197,94,.3);
      border-radius: 50%;
      display: none;
      align-items: center;
      justify-content: center;
    }
    .check svg { display: block; }
  </style>
</head>
<body>
  <div class="wrap">
    <div class="sb-icon" id="icon-loading">
      <div class="spinner"></div>
    </div>
    <div class="check" id="icon-done">
      <svg width="28" height="28" viewBox="0 0 24 24" fill="none" stroke="#22c55e" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>
    </div>
    <div>
      <p class="status-title" id="status-title">Connecting Supabase…</p>
      <p class="status-sub"  id="status-sub">Exchanging authorization code for access token.</p>
    </div>
    <button class="close-btn" id="close-btn" onclick="window.close()">Close this window</button>
  </div>

  <script src="/assets/js/wide.js"></script>
  <script src="/assets/js/gallium.js"></script>
  <script>
  (() => {
    const EXCHANGE_URL = "https://wiswfpfsjiowtrdyqpxy.supabase.co/functions/v1/mcp-oauth";
    const REDIRECT_URI = "https://360-search.com/mcp-callback";

    const titleEl  = document.getElementById("status-title");
    const subEl    = document.getElementById("status-sub");
    const closeBtn = document.getElementById("close-btn");
    const iconLoad = document.getElementById("icon-loading");
    const iconDone = document.getElementById("icon-done");

    function setError(msg) {
      titleEl.textContent = "Connection failed";
      subEl.textContent   = msg;
      subEl.classList.add("error");
      iconLoad.style.display = "none";
      closeBtn.style.display = "inline-flex";
      /* notify opener so it can show the error too */
      if (window.opener) {
        window.opener.postMessage({
          type: "mcp-oauth-done",
          state: getParam("state"),
          error: msg,
        }, location.origin);
      }
    }

    function setDone(data) {
      titleEl.textContent = "Supabase connected!";
      subEl.textContent   = "You can close this window — 360 AI is ready.";
      iconLoad.style.display = "none";
      iconDone.style.display = "flex";
      closeBtn.style.display = "inline-flex";
      /* auto-close after 1.8 s */
      setTimeout(() => { try { window.close(); } catch(_) {} }, 1800);
    }

    function getParam(key) {
      return new URLSearchParams(location.search).get(key);
    }

    async function run() {
      const code  = getParam("code");
      const state = getParam("state");
      const err   = getParam("error");

      if (err) {
        setError(getParam("error_description") || err);
        return;
      }

      if (!code || !state) {
        setError("Missing authorization code. Please try again.");
        return;
      }

      /* retrieve verifier stored by mcp.js before the redirect */
      const verifier = sessionStorage.getItem("mcp_pkce_" + state);
      if (!verifier) {
        setError("PKCE verifier not found. The session may have expired — please try again.");
        return;
      }
      sessionStorage.removeItem("mcp_pkce_" + state);

      let tokenData;
      try {
        const res = await fetch(EXCHANGE_URL, {
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ code, code_verifier: verifier, redirect_uri: REDIRECT_URI }),
        });
        tokenData = await res.json();
        if (!res.ok) throw new Error(tokenData?.error || "Token exchange failed");
      } catch (e) {
        setError(e.message || "Token exchange failed. Please try again.");
        return;
      }

      /* send token back to the opener (mcp.js) */
      if (window.opener) {
        window.opener.postMessage({
          type:          "mcp-oauth-done",
          state,
          access_token:  tokenData.access_token,
          refresh_token: tokenData.refresh_token,
          expires_in:    tokenData.expires_in,
        }, location.origin);
      }

      setDone(tokenData);
    }

    run();
  })();
  </script>
</body>
</html>