优化密码找回流程、管理后台批量操作和上传体验 (#2)

Reviewed-on: #2

src/lib/authEmail.ts

@@ -0,0 +1,152 @@
+import {
+  createClient,
+  type EmailOtpType,
+  type Session,
+  type SupabaseClient,
+} from '@supabase/supabase-js'
+
+const supabaseUrl = import.meta.env.VITE_SUPABASE_URL
+const supabaseKey = import.meta.env.VITE_SUPABASE_PUBLISHABLE_KEY
+
+const knownEmailOtpTypes = new Set<EmailOtpType>([
+  'signup',
+  'invite',
+  'magiclink',
+  'recovery',
+  'email_change',
+  'email',
+])
+
+type AuthCallbackParams = {
+  accessToken: string | null
+  code: string | null
+  error: string | null
+  errorCode: string | null
+  errorDescription: string | null
+  refreshToken: string | null
+  tokenHash: string | null
+  type: EmailOtpType | null
+}
+
+type ResolveEmailAuthCallbackOptions = {
+  allowedTypes: EmailOtpType[]
+  client: SupabaseClient
+}
+
+type ResolveEmailAuthCallbackResult =
+  | {
+      ok: true
+      session: Session | null
+      type: EmailOtpType | null
+    }
+  | {
+      ok: false
+      error: string
+    }
+
+function parseEmailOtpType(value: string | null): EmailOtpType | null {
+  if (!value || !knownEmailOtpTypes.has(value as EmailOtpType)) {
+    return null
+  }
+
+  return value as EmailOtpType
+}
+
+export function readAuthCallbackParams(): AuthCallbackParams {
+  const search = new URLSearchParams(window.location.search)
+  const hash = new URLSearchParams(window.location.hash.slice(1))
+
+  return {
+    code: search.get('code'),
+    tokenHash: search.get('token_hash') ?? hash.get('token_hash'),
+    accessToken: hash.get('access_token'),
+    refreshToken: hash.get('refresh_token'),
+    type: parseEmailOtpType(search.get('type') ?? hash.get('type')),
+    error: search.get('error') ?? hash.get('error'),
+    errorCode: search.get('error_code') ?? hash.get('error_code'),
+    errorDescription: search.get('error_description') ?? hash.get('error_description'),
+  }
+}
+
+export function clearAuthCallbackUrl() {
+  window.history.replaceState(null, '', window.location.pathname)
+}
+
+export function createDetachedAuthClient() {
+  return createClient(supabaseUrl, supabaseKey, {
+    auth: {
+      autoRefreshToken: false,
+      detectSessionInUrl: false,
+      persistSession: false,
+    },
+  })
+}
+
+export async function resolveEmailAuthCallback(
+  options: ResolveEmailAuthCallbackOptions,
+): Promise<ResolveEmailAuthCallbackResult> {
+  const { client, allowedTypes } = options
+  const params = readAuthCallbackParams()
+  const allowedTypeSet = new Set(allowedTypes)
+
+  if (params.error || params.errorCode || params.errorDescription) {
+    return {
+      ok: false,
+      error: params.errorDescription || '链接无效或已过期。',
+    }
+  }
+
+  try {
+    let session: Session | null = null
+
+    if (params.tokenHash && params.type && allowedTypeSet.has(params.type)) {
+      const { data, error } = await client.auth.verifyOtp({
+        token_hash: params.tokenHash,
+        type: params.type,
+      })
+      if (error) throw error
+      session = data.session
+    } else if (params.code) {
+      const { data, error } = await client.auth.exchangeCodeForSession(params.code)
+      if (error) throw error
+      session = data.session
+    } else if (
+      params.accessToken
+      && params.refreshToken
+      && params.type
+      && allowedTypeSet.has(params.type)
+    ) {
+      const { data, error } = await client.auth.setSession({
+        access_token: params.accessToken,
+        refresh_token: params.refreshToken,
+      })
+      if (error) throw error
+      session = data.session
+    } else {
+      return {
+        ok: false,
+        error: '链接无效或已过期。',
+      }
+    }
+
+    if (!session) {
+      const { data, error } = await client.auth.getSession()
+      if (error) throw error
+      session = data.session
+    }
+
+    clearAuthCallbackUrl()
+
+    return {
+      ok: true,
+      session,
+      type: params.type,
+    }
+  } catch (error) {
+    const message = error instanceof Error ? error.message : '链接无效或已过期。'
+    return {
+      ok: false,
+      error: message,
+    }
+  }
+}