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const { checkBucketName: _checkBucketName } = require('../utils/checkBucketName');
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const proto = exports;
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const REPLACE_HEDERS = [
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'content-type',
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'content-encoding',
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'content-language',
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'content-disposition',
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'cache-control',
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'expires'
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];
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proto.copy = async function copy(name, sourceName, bucketName, options) {
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if (typeof bucketName === 'object') {
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options = bucketName; // 兼容旧版本，旧版本第三个参数为options
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}
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options = options || {};
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options.headers = options.headers || {};
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Object.keys(options.headers).forEach(key => {
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options.headers[`x-oss-copy-source-${key.toLowerCase()}`] = options.headers[key];
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});
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if (options.meta || Object.keys(options.headers).find(_ => REPLACE_HEDERS.includes(_.toLowerCase()))) {
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options.headers['x-oss-metadata-directive'] = 'REPLACE';
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}
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this._convertMetaToHeaders(options.meta, options.headers);
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sourceName = this._getSourceName(sourceName, bucketName);
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if (options.versionId) {
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sourceName = `${sourceName}?versionId=${options.versionId}`;
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}
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options.headers['x-oss-copy-source'] = sourceName;
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const params = this._objectRequestParams('PUT', name, options);
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params.xmlResponse = true;
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params.successStatuses = [200, 304];
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const result = await this.request(params);
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let { data } = result;
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if (data) {
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data = {
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etag: data.ETag,
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lastModified: data.LastModified
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};
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}
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return {
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data,
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res: result.res
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};
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};
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// todo delete
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proto._getSourceName = function _getSourceName(sourceName, bucketName) {
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if (typeof bucketName === 'string') {
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sourceName = this._objectName(sourceName);
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} else if (sourceName[0] !== '/') {
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bucketName = this.options.bucket;
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} else {
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bucketName = sourceName.replace(/\/(.+?)(\/.*)/, '$1');
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sourceName = sourceName.replace(/(\/.+?\/)(.*)/, '$2');
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}
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_checkBucketName(bucketName);
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sourceName = encodeURIComponent(sourceName);
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sourceName = `/${bucketName}/${sourceName}`;
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return sourceName;
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};
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