63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
var AWS = require('../core');
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AWS.util.update(AWS.EC2.prototype, {
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/**
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* @api private
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*/
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setupRequestListeners: function setupRequestListeners(request) {
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request.removeListener('extractError', AWS.EventListeners.Query.EXTRACT_ERROR);
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request.addListener('extractError', this.extractError);
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if (request.operation === 'copySnapshot') {
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request.onAsync('validate', this.buildCopySnapshotPresignedUrl);
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}
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},
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/**
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* @api private
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*/
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buildCopySnapshotPresignedUrl: function buildCopySnapshotPresignedUrl(req, done) {
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if (req.params.PresignedUrl || req._subRequest) {
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return done();
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}
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req.params = AWS.util.copy(req.params);
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req.params.DestinationRegion = req.service.config.region;
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var config = AWS.util.copy(req.service.config);
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delete config.endpoint;
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config.region = req.params.SourceRegion;
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var svc = new req.service.constructor(config);
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var newReq = svc[req.operation](req.params);
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newReq._subRequest = true;
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newReq.presign(function(err, url) {
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if (err) done(err);
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else {
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req.params.PresignedUrl = url;
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done();
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}
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});
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},
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/**
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* @api private
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*/
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extractError: function extractError(resp) {
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// EC2 nests the error code and message deeper than other AWS Query services.
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var httpResponse = resp.httpResponse;
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var data = new AWS.XML.Parser().parse(httpResponse.body.toString() || '');
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if (data.Errors) {
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resp.error = AWS.util.error(new Error(), {
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code: data.Errors.Error.Code,
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message: data.Errors.Error.Message
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});
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} else {
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resp.error = AWS.util.error(new Error(), {
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code: httpResponse.statusCode,
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message: null
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});
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}
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resp.error.requestId = data.RequestID || null;
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}
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});
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