hexo/node_modules/@alicloud/pop-core/lib/roa.js

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JavaScript
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2023-10-03 11:14:36 +08:00
'use strict';
const assert = require('assert');
const url = require('url');
const querystring = require('querystring');
const kitx = require('kitx');
const httpx = require('httpx');
const xml2js = require('xml2js');
const JSON = require('json-bigint');
const debug = require('debug')('roa');
const helper = require('./helper');
function filter(value) {
return value.replace(/[\t\n\r\f]/g, ' ');
}
function keyLowerify(headers) {
const keys = Object.keys(headers);
const newHeaders = {};
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
newHeaders[key.toLowerCase()] = headers[key];
}
return newHeaders;
}
function getCanonicalizedHeaders(headers) {
const prefix = 'x-acs-';
const keys = Object.keys(headers);
const canonicalizedKeys = [];
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
if (key.startsWith(prefix)) {
canonicalizedKeys.push(key);
}
}
canonicalizedKeys.sort();
var result = '';
for (let i = 0; i < canonicalizedKeys.length; i++) {
const key = canonicalizedKeys[i];
result += `${key}:${filter(headers[key]).trim()}\n`;
}
return result;
}
function getCanonicalizedResource(uriPattern, query) {
const keys = Object.keys(query).sort();
if (keys.length === 0) {
return uriPattern;
}
var result = [];
for (var i = 0; i < keys.length; i++) {
const key = keys[i];
result.push(`${key}=${query[key]}`);
}
return `${uriPattern}?${result.join('&')}`;
}
function buildStringToSign(method, uriPattern, headers, query) {
const accept = headers['accept'];
const contentMD5 = headers['content-md5'] || '';
const contentType = headers['content-type'] || '';
const date = headers['date'] || '';
const header = `${method}\n${accept}\n${contentMD5}\n${contentType}\n${date}\n`;
const canonicalizedHeaders = getCanonicalizedHeaders(headers);
const canonicalizedResource = getCanonicalizedResource(uriPattern, query);
return `${header}${canonicalizedHeaders}${canonicalizedResource}`;
}
function parseXML(xml) {
const parser = new xml2js.Parser({
// explicitArray: false
});
return new Promise((resolve, reject) => {
parser.parseString(xml, (err, result) => {
if (err) {
return reject(err);
}
resolve(result);
});
});
}
class ACSError extends Error {
constructor(err) {
const message = err.Message[0];
const code = err.Code[0];
const hostid = err.HostId[0];
const requestid = err.RequestId[0];
super(`${message} hostid: ${hostid}, requestid: ${requestid}`);
this.code = code;
}
}
class ROAClient {
constructor(config) {
assert(config, 'must pass "config"');
assert(config.endpoint, 'must pass "config.endpoint"');
if (!config.endpoint.startsWith('https://') &&
!config.endpoint.startsWith('http://')) {
throw new Error(`"config.endpoint" must starts with 'https://' or 'http://'.`);
}
assert(config.apiVersion, 'must pass "config.apiVersion"');
assert(config.accessKeyId, 'must pass "config.accessKeyId"');
assert(config.accessKeySecret, 'must pass "config.accessKeySecret"');
this.endpoint = config.endpoint;
this.apiVersion = config.apiVersion;
this.accessKeyId = config.accessKeyId;
this.accessKeySecret = config.accessKeySecret;
this.securityToken = config.securityToken;
this.host = url.parse(this.endpoint).hostname;
this.opts = config.opts;
var httpModule = this.endpoint.startsWith('https://') ? require('https') : require('http');
this.keepAliveAgent = new httpModule.Agent({
keepAlive: true,
keepAliveMsecs: 3000
});
}
buildHeaders() {
const now = new Date();
var defaultHeaders = {
accept: 'application/json',
date: now.toGMTString(),
host: this.host,
'x-acs-signature-nonce': kitx.makeNonce(),
'x-acs-signature-method': 'HMAC-SHA1',
'x-acs-signature-version': '1.0',
'x-acs-version': this.apiVersion,
'user-agent': helper.DEFAULT_UA,
'x-sdk-client': helper.DEFAULT_CLIENT
};
if (this.securityToken) {
defaultHeaders['x-acs-accesskey-id'] = this.accessKeyId;
defaultHeaders['x-acs-security-token'] = this.securityToken;
}
return defaultHeaders;
}
signature(stringToSign) {
const utf8Buff = Buffer.from(stringToSign, 'utf8');
return kitx.sha1(utf8Buff, this.accessKeySecret, 'base64');
}
buildAuthorization(stringToSign) {
return `acs ${this.accessKeyId}:${this.signature(stringToSign)}`;
}
request(method, uriPattern, query = {}, body = '', headers = {}, opts = {}) {
var postBody = null;
var mixHeaders = Object.assign(this.buildHeaders(), keyLowerify(headers));
if (body) {
postBody = Buffer.from(body, 'utf8');
mixHeaders['content-md5'] = kitx.md5(postBody, 'base64');
mixHeaders['content-length'] = postBody.length;
}
var url = `${this.endpoint}${uriPattern}`;
if (Object.keys(query).length) {
url += `?${querystring.stringify(query)}`;
}
const stringToSign = buildStringToSign(method, uriPattern, mixHeaders, query);
debug('stringToSign: %s', stringToSign);
mixHeaders['authorization'] = this.buildAuthorization(stringToSign);
const options = Object.assign({
method,
agent: this.keepAliveAgent,
headers: mixHeaders,
data: postBody
}, this.opts, opts);
return httpx.request(url, options).then((response) => {
return httpx.read(response, 'utf8').then((body) => {
// Retrun raw body
if (opts.rawBody) {
return body;
}
const contentType = response.headers['content-type'] || '';
// JSON
if (contentType.startsWith('application/json')) {
const statusCode = response.statusCode;
if (statusCode === 204) {
return body;
}
var result;
try {
result = JSON.parse(body);
} catch (err) {
err.name = 'FormatError';
err.message = 'parse response to json error';
err.body = body;
throw err;
}
if (statusCode >= 400) {
const errorMessage = result.Message || result.errorMsg || '';
const errorCode = result.Code || result.errorCode || '';
const requestId = result.RequestId || '';
var err = new Error(`code: ${statusCode}, ${errorMessage}, requestid: ${requestId}`);
err.name = `${errorCode}Error`;
err.statusCode = statusCode;
err.result = result;
err.code = errorCode;
throw err;
}
return result;
}
if (contentType.startsWith('text/xml')) {
return parseXML(body).then((result) => {
if (result.Error) {
throw new ACSError(result.Error);
}
return result;
});
}
return body;
});
});
}
put(path, query, body, headers, options) {
return this.request('PUT', path, query, body, headers, options);
}
post(path, query, body, headers, options) {
return this.request('POST', path, query, body, headers, options);
}
get(path, query, headers, options) {
return this.request('GET', path, query, '', headers, options);
}
delete(path, query, headers, options) {
return this.request('DELETE', path, query, '', headers, options);
}
}
module.exports = ROAClient;