49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
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var AWS = require('../core');
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var inherit = AWS.util.inherit;
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/**
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* @api private
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*/
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AWS.Signers.V2 = inherit(AWS.Signers.RequestSigner, {
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addAuthorization: function addAuthorization(credentials, date) {
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if (!date) date = AWS.util.date.getDate();
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var r = this.request;
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r.params.Timestamp = AWS.util.date.iso8601(date);
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r.params.SignatureVersion = '2';
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r.params.SignatureMethod = 'HmacSHA256';
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r.params.AWSAccessKeyId = credentials.accessKeyId;
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if (credentials.sessionToken) {
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r.params.SecurityToken = credentials.sessionToken;
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}
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delete r.params.Signature; // delete old Signature for re-signing
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r.params.Signature = this.signature(credentials);
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r.body = AWS.util.queryParamsToString(r.params);
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r.headers['Content-Length'] = r.body.length;
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},
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signature: function signature(credentials) {
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return AWS.util.crypto.hmac(credentials.secretAccessKey, this.stringToSign(), 'base64');
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},
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stringToSign: function stringToSign() {
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var parts = [];
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parts.push(this.request.method);
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parts.push(this.request.endpoint.host.toLowerCase());
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parts.push(this.request.pathname());
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parts.push(AWS.util.queryParamsToString(this.request.params));
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return parts.join('\n');
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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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module.exports = AWS.Signers.V2;
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