feat: add PublicSendPage and SendsPage components for managing sends

2026-06-20 21:00:41 +00:00 · 2026-03-01 05:55:42 +08:00
parent be3b68956b
commit bb50617b16
16 changed files with 2792 additions and 28 deletions
@@ -177,3 +177,140 @@ export async function verifyFileDownloadToken(
    return null;
  }
 }
+
+export interface SendFileDownloadClaims {
+  sendId: string;
+  fileId: string;
+  exp: number;
+}
+
+export async function createSendFileDownloadToken(
+  sendId: string,
+  fileId: string,
+  secret: string
+): Promise<string> {
+  const header = { alg: 'HS256', typ: 'JWT' };
+  const now = Math.floor(Date.now() / 1000);
+  const payload: SendFileDownloadClaims = {
+    sendId,
+    fileId,
+    exp: now + LIMITS.auth.fileDownloadTokenTtlSeconds,
+  };
+
+  const encoder = new TextEncoder();
+  const headerB64 = base64UrlEncode(encoder.encode(JSON.stringify(header)));
+  const payloadB64 = base64UrlEncode(encoder.encode(JSON.stringify(payload)));
+  const data = `${headerB64}.${payloadB64}`;
+
+  const key = await crypto.subtle.importKey(
+    'raw',
+    encoder.encode(secret),
+    { name: 'HMAC', hash: 'SHA-256' },
+    false,
+    ['sign']
+  );
+
+  const signature = await crypto.subtle.sign('HMAC', key, encoder.encode(data));
+  const signatureB64 = base64UrlEncode(new Uint8Array(signature));
+  return `${data}.${signatureB64}`;
+}
+
+export async function verifySendFileDownloadToken(
+  token: string,
+  secret: string
+): Promise<SendFileDownloadClaims | null> {
+  try {
+    const parts = token.split('.');
+    if (parts.length !== 3) return null;
+
+    const [headerB64, payloadB64, signatureB64] = parts;
+    const encoder = new TextEncoder();
+
+    const key = await crypto.subtle.importKey(
+      'raw',
+      encoder.encode(secret),
+      { name: 'HMAC', hash: 'SHA-256' },
+      false,
+      ['verify']
+    );
+
+    const data = `${headerB64}.${payloadB64}`;
+    const signature = base64UrlDecode(signatureB64);
+    const valid = await crypto.subtle.verify('HMAC', key, signature, encoder.encode(data));
+    if (!valid) return null;
+
+    const payload: SendFileDownloadClaims = JSON.parse(new TextDecoder().decode(base64UrlDecode(payloadB64)));
+    const now = Math.floor(Date.now() / 1000);
+    if (payload.exp < now) return null;
+
+    return payload;
+  } catch {
+    return null;
+  }
+}
+
+export interface SendAccessTokenClaims {
+  sub: string; // send id
+  typ: 'send_access';
+  iat: number;
+  exp: number;
+}
+
+export async function createSendAccessToken(sendId: string, secret: string): Promise<string> {
+  const header = { alg: 'HS256', typ: 'JWT' };
+  const now = Math.floor(Date.now() / 1000);
+  const payload: SendAccessTokenClaims = {
+    sub: sendId,
+    typ: 'send_access',
+    iat: now,
+    exp: now + LIMITS.auth.sendAccessTokenTtlSeconds,
+  };
+
+  const encoder = new TextEncoder();
+  const headerB64 = base64UrlEncode(encoder.encode(JSON.stringify(header)));
+  const payloadB64 = base64UrlEncode(encoder.encode(JSON.stringify(payload)));
+  const data = `${headerB64}.${payloadB64}`;
+
+  const key = await crypto.subtle.importKey(
+    'raw',
+    encoder.encode(secret),
+    { name: 'HMAC', hash: 'SHA-256' },
+    false,
+    ['sign']
+  );
+  const signature = await crypto.subtle.sign('HMAC', key, encoder.encode(data));
+  const signatureB64 = base64UrlEncode(new Uint8Array(signature));
+  return `${data}.${signatureB64}`;
+}
+
+export async function verifySendAccessToken(token: string, secret: string): Promise<SendAccessTokenClaims | null> {
+  try {
+    const parts = token.split('.');
+    if (parts.length !== 3) return null;
+
+    const [headerB64, payloadB64, signatureB64] = parts;
+    const encoder = new TextEncoder();
+
+    const key = await crypto.subtle.importKey(
+      'raw',
+      encoder.encode(secret),
+      { name: 'HMAC', hash: 'SHA-256' },
+      false,
+      ['verify']
+    );
+
+    const data = `${headerB64}.${payloadB64}`;
+    const signature = base64UrlDecode(signatureB64);
+    const valid = await crypto.subtle.verify('HMAC', key, signature, encoder.encode(data));
+    if (!valid) return null;
+
+    const payload: SendAccessTokenClaims = JSON.parse(new TextDecoder().decode(base64UrlDecode(payloadB64)));
+    const now = Math.floor(Date.now() / 1000);
+    if (payload.exp < now) return null;
+    if (payload.typ !== 'send_access') return null;
+    if (!payload.sub) return null;
+    return payload;
+  } catch {
+    return null;
+  }
+}