chore: migrate legacy pages and utilities to nuxt

frontend_nuxt/utils/twitter.js

@@ -0,0 +1,79 @@
+import { API_BASE_URL, TWITTER_CLIENT_ID, toast } from '../main'
+import { WEBSITE_BASE_URL } from '../constants'
+import { setToken, loadCurrentUser } from './auth'
+import { registerPush } from './push'
+
+function generateCodeVerifier() {
+  const array = new Uint8Array(32)
+  window.crypto.getRandomValues(array)
+  return Array.from(array)
+    .map((b) => b.toString(16).padStart(2, '0'))
+    .join('')
+}
+
+async function generateCodeChallenge(codeVerifier) {
+  const encoder = new TextEncoder()
+  const data = encoder.encode(codeVerifier)
+  const digest = await window.crypto.subtle.digest('SHA-256', data)
+  return btoa(String.fromCharCode(...new Uint8Array(digest)))
+    .replace(/\+/g, '-')
+    .replace(/\//g, '_')
+    .replace(/=+$/, '')
+}
+
+export async function twitterAuthorize(state = '') {
+  if (!TWITTER_CLIENT_ID) {
+    toast.error('Twitter 登录不可用')
+    return
+  }
+  if (state === '') {
+    state = Math.random().toString(36).substring(2, 15)
+  }
+  const redirectUri = `${WEBSITE_BASE_URL}/twitter-callback`
+  const codeVerifier = generateCodeVerifier()
+  sessionStorage.setItem('twitter_code_verifier', codeVerifier)
+  const codeChallenge = await generateCodeChallenge(codeVerifier)
+  const url =
+    `https://x.com/i/oauth2/authorize?response_type=code&client_id=${TWITTER_CLIENT_ID}` +
+    `&redirect_uri=${encodeURIComponent(redirectUri)}&scope=tweet.read%20users.read` +
+    `&state=${state}&code_challenge=${codeChallenge}&code_challenge_method=S256`
+  window.location.href = url
+}
+
+export async function twitterExchange(code, state, reason) {
+  try {
+    const codeVerifier = sessionStorage.getItem('twitter_code_verifier')
+    sessionStorage.removeItem('twitter_code_verifier')
+    const res = await fetch(`${API_BASE_URL}/api/auth/twitter`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({
+        code,
+        redirectUri: `${window.location.origin}/twitter-callback`,
+        reason,
+        state,
+        codeVerifier
+      })
+    })
+    const data = await res.json()
+    if (res.ok && data.token) {
+      setToken(data.token)
+      await loadCurrentUser()
+      toast.success('登录成功')
+      registerPush()
+      return { success: true, needReason: false }
+    } else if (data.reason_code === 'NOT_APPROVED') {
+      toast.info('当前为注册审核模式，请填写注册理由')
+      return { success: false, needReason: true, token: data.token }
+    } else if (data.reason_code === 'IS_APPROVING') {
+      toast.info('您的注册理由正在审批中')
+      return { success: true, needReason: false }
+    } else {
+      toast.error(data.error || '登录失败')
+      return { success: false, needReason: false, error: data.error || '登录失败' }
+    }
+  } catch (e) {
+    toast.error('登录失败')
+    return { success: false, needReason: false, error: '登录失败' }
+  }
+}