oak-general-business/lib/utils/externalUpload/qiniu.js

60 lines
2.3 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var crypto_1 = tslib_1.__importDefault(require("crypto"));
var buffer_1 = require("buffer");
var qiniuInstance = /** @class */ (function () {
function qiniuInstance(config) {
var accessKey = config.accessKey, secretKey = config.secretKey, uploadHost = config.uploadHost, bucket = config.bucket, domain = config.domain;
this.accessKey = accessKey;
this.secretKey = secretKey;
this.uploadHost = uploadHost;
this.bucket = bucket;
this.domain = domain;
}
qiniuInstance.prototype.getUploadInfo = function (key) {
try {
var _a = this, uploadHost = _a.uploadHost, domain = _a.domain, bucket = _a.bucket;
var scope = key ? "".concat(bucket, ":").concat(key) : bucket;
var uploadToken = this.getToken(scope);
return {
key: key,
uploadToken: uploadToken,
uploadHost: uploadHost,
bucket: bucket,
domain: domain,
};
}
catch (err) {
throw err;
}
};
qiniuInstance.prototype.getToken = function (scope) {
// 构造策略
var putPolicy = {
scope: scope,
deadline: 3600 + Math.floor(Date.now() / 1000),
};
// 构造凭证
var encodedFlags = this.urlSafeBase64Encode(JSON.stringify(putPolicy));
var encoded = this.hmacSha1(encodedFlags, this.secretKey);
var encodedSign = this.base64ToUrlSafe(encoded);
var uploadToken = this.accessKey + ':' + encodedSign + ':' + encodedFlags;
return uploadToken;
};
qiniuInstance.prototype.base64ToUrlSafe = function (v) {
return v.replace(/\//g, '_').replace(/\+/g, '-');
};
qiniuInstance.prototype.hmacSha1 = function (encodedFlags, secretKey) {
var hmac = crypto_1.default.createHmac('sha1', secretKey);
hmac.update(encodedFlags);
return hmac.digest('base64');
};
qiniuInstance.prototype.urlSafeBase64Encode = function (jsonFlags) {
var encoded = buffer_1.Buffer.from(jsonFlags).toString('base64');
return this.base64ToUrlSafe(encoded);
};
return qiniuInstance;
}());
exports.default = qiniuInstance;