initial commit — dropLake

2026-04-02 16:05:40 +03:00
commit f80aadc3ab
17 changed files with 2206 additions and 0 deletions
@@ -0,0 +1,168 @@
+'use strict';
+
+// ── Helpers ────────────────────────────────────────────────────────────────
+
+function formatBytes(n) {
+  if (!n) return 'unknown size';
+  if (n < 1024) return n + ' B';
+  if (n < 1024 ** 2) return (n / 1024).toFixed(1) + ' KB';
+  if (n < 1024 ** 3) return (n / 1024 ** 2).toFixed(1) + ' MB';
+  return (n / 1024 ** 3).toFixed(2) + ' GB';
+}
+
+function formatExpiry(isoStr) {
+  return new Date(isoStr).toLocaleString();
+}
+
+function triggerDownload(blob, filename) {
+  const url = URL.createObjectURL(blob);
+  const a = document.createElement('a');
+  a.href = url;
+  a.download = filename || 'download';
+  document.body.appendChild(a);
+  a.click();
+  a.remove();
+  setTimeout(() => URL.revokeObjectURL(url), 10000);
+}
+
+// ── DOM refs ───────────────────────────────────────────────────────────────
+
+const statusWrap  = document.getElementById('statusWrap');
+const statusMsg   = document.getElementById('statusMsg');
+const infoGrid    = document.getElementById('infoGrid');
+const infoType    = document.getElementById('infoType');
+const infoSize    = document.getElementById('infoSize');
+const infoExpiry  = document.getElementById('infoExpiry');
+const infoBurn    = document.getElementById('infoBurn');
+const alertBox    = document.getElementById('alertBox');
+const pwSection   = document.getElementById('pwSection');
+const pwInput     = document.getElementById('pwInput');
+const downloadBtn = document.getElementById('downloadBtn');
+const textSection = document.getElementById('textSection');
+const textOutput  = document.getElementById('textOutput');
+const copyTextBtn = document.getElementById('copyTextBtn');
+
+// ── Init ───────────────────────────────────────────────────────────────────
+
+const shareId = location.pathname.split('/s/')[1];
+
+(async function init() {
+  if (!shareId) { showError('Invalid share URL.'); return; }
+
+  let meta;
+  try {
+    const res = await fetch(`/api/share/${shareId}/meta`);
+    if (!res.ok) {
+      showError(res.status === 404
+        ? 'This share does not exist or has expired.'
+        : 'Failed to load share info.');
+      return;
+    }
+    meta = await res.json();
+  } catch {
+    showError('Network error. Please check your connection.');
+    return;
+  }
+
+  if (meta.locked) {
+    showError(`Share locked — too many failed attempts. Try again in ${meta.lock_remaining}s.`);
+    return;
+  }
+
+  // Show info grid
+  statusWrap.classList.add('hidden');
+  infoGrid.classList.remove('hidden');
+  infoType.textContent   = meta.share_type === 'file'
+    ? (meta.original_filename || 'File') : 'Text snippet';
+  infoSize.textContent   = formatBytes(meta.filesize);
+  infoExpiry.textContent = formatExpiry(meta.expires_at);
+  infoBurn.textContent   = meta.burn_after_read ? 'Yes — deleted after this download' : 'No';
+
+  if (meta.has_password) pwSection.classList.remove('hidden');
+  downloadBtn.classList.remove('hidden');
+
+  // Attach handlers now that we have meta
+  downloadBtn.addEventListener('click', () => handleDownload(meta));
+  pwInput.addEventListener('keydown', e => { if (e.key === 'Enter') handleDownload(meta); });
+})();
+
+// ── Download ───────────────────────────────────────────────────────────────
+
+async function handleDownload(meta) {
+  clearAlert();
+  downloadBtn.disabled = true;
+  downloadBtn.textContent = 'Downloading…';
+
+  try {
+    const res = await fetch(`/api/share/${shareId}/download`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ password: pwInput.value }),
+    });
+
+    if (res.status === 401) {
+      const body = await res.json().catch(() => ({}));
+      showAlert(body.detail || 'Incorrect password.');
+      pwInput.value = '';
+      pwInput.focus();
+      return;
+    }
+    if (res.status === 429) {
+      const body = await res.json().catch(() => ({}));
+      showAlert(body.detail || 'Too many attempts. Please wait.');
+      return;
+    }
+    if (!res.ok) {
+      showAlert('Download failed. The share may have expired.');
+      return;
+    }
+
+    if (meta.share_type === 'text') {
+      const text = await res.text();
+      textSection.classList.remove('hidden');
+      textOutput.textContent = text;
+      copyTextBtn.onclick = () => {
+        navigator.clipboard.writeText(text);
+        const orig = copyTextBtn.textContent;
+        copyTextBtn.textContent = 'Copied!';
+        setTimeout(() => (copyTextBtn.textContent = orig), 1500);
+      };
+      downloadBtn.textContent = 'Decrypted';
+    } else {
+      const blob = await res.blob();
+      triggerDownload(blob, meta.original_filename);
+      downloadBtn.textContent = 'Downloaded ✓';
+    }
+
+    if (meta.burn_after_read) {
+      showAlert('This share has been deleted — it can no longer be accessed.', 'info');
+    }
+
+  } catch (err) {
+    showAlert(err.message || 'An unexpected error occurred.');
+  } finally {
+    if (downloadBtn.textContent === 'Downloading…') {
+      downloadBtn.disabled = false;
+      downloadBtn.textContent = 'Decrypt & Download';
+    }
+  }
+}
+
+// ── UI helpers ─────────────────────────────────────────────────────────────
+
+function showError(msg) {
+  statusWrap.classList.remove('hidden');
+  statusMsg.textContent = msg;
+  statusMsg.className = 'alert alert-error';
+  downloadBtn.classList.add('hidden');
+}
+
+function showAlert(msg, type = 'error') {
+  alertBox.className = `alert alert-${type}`;
+  alertBox.textContent = msg;
+  alertBox.classList.remove('hidden');
+  downloadBtn.disabled = false;
+  downloadBtn.textContent = 'Decrypt & Download';
+}
+
+function clearAlert() { alertBox.classList.add('hidden'); }