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