2d7be31b0c
This is a mid-sized PR that adds query param validation to BaseService and updates most of the services which use query param validation to use it. There are a couple minor tweaks I made along the way. Fix #2676
52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
'use strict'
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const { DOMParser } = require('xmldom')
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const xpath = require('xpath')
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const { BaseService, InvalidResponse } = require('..')
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const { renderDynamicBadge, errorMessages } = require('../dynamic-common')
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const { createRoute } = require('./dynamic-helpers')
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// This service extends BaseService because it uses a different XML parser
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// than BaseXmlService which can be used with xpath.
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//
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// One way to create a more performant version would be to use the BaseXml
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// JSON parser and write the queries in jsonpath instead. Then eventually
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// deprecate the old version.
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module.exports = class DynamicXml extends BaseService {
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static get category() {
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return 'dynamic'
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}
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static get route() {
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return createRoute('xml')
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}
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static get defaultBadgeData() {
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return {
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label: 'custom badge',
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}
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}
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async handle(namedParams, { url, query: pathExpression, prefix, suffix }) {
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const pathIsAttr = pathExpression.includes('@')
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const { buffer } = await this._request({
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url,
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options: { headers: { Accept: 'application/xml, text/xml' } },
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errorMessages,
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})
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const parsed = new DOMParser().parseFromString(buffer)
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const values = xpath
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.select(pathExpression, parsed)
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.map((node, i) => (pathIsAttr ? node.value : node.firstChild.data))
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if (!values.length) {
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throw new InvalidResponse({ prettyMessage: 'no result' })
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}
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return renderDynamicBadge({ value: values, prefix, suffix })
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}
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}
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