103 lines
3.6 KiB
JavaScript
103 lines
3.6 KiB
JavaScript
// 阿里云直传工具
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import apiConfig from '../config/api_config.js';
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import request from './request.js';
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function requestOssSignature(dir) {
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// 使用 Fiber 后端的接口
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const dirParam = dir || 'camp';
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return request({
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url: `/oss/upload/signature?dir=${encodeURIComponent(dirParam)}`,
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method: 'GET'
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}).then(function(res) {
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// Fiber 后端直接返回凭证数据（JSON格式），兼容可能的包裹格式
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// 如果返回 { success: true, data: {...} }，则提取 data；否则直接使用 res
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if (res && res.success === true && res.data) {
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return res.data;
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}
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// 直接返回数据（Fiber 后端直接返回 PolicyToken 结构）
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return res;
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}).catch(function(err) {
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console.error('获取OSS上传凭证失败:', err);
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return null;
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});
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}
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function normalizeSignature(raw) {
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if (!raw) return null;
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// Fiber 后端直接返回凭证数据，兼容旧格式 { success, data } 或直接返回
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var data = raw.data || raw;
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// 常见字段名兼容
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var host = data.host || data.endpoint || '';
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var dir = data.dir || data.prefix || '';
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var policy = data.policy;
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var signature = data.signature;
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// v4 字段（表单直传）- Fiber 后端使用这些字段名
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var sigVer = data.x_oss_signature_version || data['x-oss-signature-version'] || data.signature_version || data.SignatureVersion;
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var credential = data.x_oss_credential || data['x-oss-credential'] || data.credential || data.Credential;
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var date = data.x_oss_date || data['x-oss-date'] || data.date || data.Date;
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var securityToken = data.security_token || data['x-oss-security-token'] || data.SecurityToken || data.securityToken;
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// v2 兼容字段（旧接口可能使用）
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var accessId = data.accessid || data.accessKeyId || data.OSSAccessKeyId || data.accessId;
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if (!host || !policy || !signature) return null;
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// Fiber 后端使用 v4 签名，返回 v4 所需字段
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if (sigVer) {
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return {
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host: host,
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dir: dir,
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policy: policy,
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signature: signature,
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signatureVersion: sigVer,
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credential: credential,
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date: date,
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securityToken: securityToken
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};
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}
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// v2 兼容（旧接口）
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if (!accessId) return null;
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return { host: host, dir: dir, accessId: accessId, policy: policy, signature: signature };
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}
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function buildOssKey(options) {
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var now = new Date();
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function pad(n){ return n < 10 ? ('0'+n) : ''+n; }
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var y = now.getFullYear();
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var m = pad(now.getMonth()+1);
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var d = pad(now.getDate());
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var h = pad(now.getHours());
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var mm = pad(now.getMinutes());
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var s = pad(now.getSeconds());
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var ts = now.getTime();
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var userId = String(options.userId || 'anonymous');
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var taskId = String(options.taskId || 'unknown');
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var baseDir = options.baseDir || 'camp';
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var subDir = options.subDir || 'subjective';
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var ext = options.ext || 'jpg';
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return [
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baseDir,
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'user_'+userId,
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subDir,
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taskId,
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''+y+m+d,
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ts+'_'+Math.floor(Math.random()*100000)+'.'+ext
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].join('/');
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}
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async function getOssConfig(dir) {
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var raw = await requestOssSignature(dir || 'camp');
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return normalizeSignature(raw);
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}
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module.exports = {
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getOssConfig,
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buildOssKey
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};
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