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exports.encodeCallback = function encodeCallback(reqParams, options) {
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reqParams.headers = reqParams.headers || {};
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if (!Object.prototype.hasOwnProperty.call(reqParams.headers, 'x-oss-callback')) {
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if (options.callback) {
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const json = {
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callbackUrl: encodeURI(options.callback.url),
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callbackBody: options.callback.body
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};
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if (options.callback.host) {
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json.callbackHost = options.callback.host;
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}
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if (options.callback.contentType) {
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json.callbackBodyType = options.callback.contentType;
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}
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const callback = new Buffer(JSON.stringify(json)).toString('base64');
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reqParams.headers['x-oss-callback'] = callback;
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if (options.callback.customValue) {
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const callbackVar = {};
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Object.keys(options.callback.customValue).forEach((key) => {
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callbackVar[`x:${key}`] = options.callback.customValue[key];
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});
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reqParams.headers['x-oss-callback-var'] = new Buffer(JSON.stringify(callbackVar)).toString('base64');
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}
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}
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}
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};
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