mirror of
https://codeberg.org/keyoxide/doipjs.git
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102 lines
2.9 KiB
JavaScript
102 lines
2.9 KiB
JavaScript
/*
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Copyright 2021 Yarmo Mackenbach
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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const validator = require('validator')
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const E = require('./enums')
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/**
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* @module utils
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*/
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/**
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* Generate an URL to request data from a proxy server
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* @param {string} type - The name of the fetcher the proxy must use
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* @param {object} data - The data the proxy must provide to the fetcher
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* @param {object} opts - Options to enable the request
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* @param {object} opts.proxy.hostname - The hostname of the proxy server
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* @returns {string}
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*/
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const generateProxyURL = (type, data, opts) => {
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try {
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validator.isFQDN(opts.proxy.hostname)
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} catch (err) {
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throw new Error('Invalid proxy hostname')
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}
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const queryStrings = []
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Object.keys(data).forEach((key) => {
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queryStrings.push(`${key}=${encodeURIComponent(data[key])}`)
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})
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return `https://${opts.proxy.hostname}/api/2/get/${type}?${queryStrings.join(
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'&'
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)}`
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}
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/**
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* Generate the string that must be found in the proof to verify a claim
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* @param {string} fingerprint - The fingerprint of the claim
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* @param {number} format - The claim's format (see {@link module:enums~ClaimFormat|enums.ClaimFormat})
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* @returns {string}
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*/
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const generateClaim = (fingerprint, format) => {
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switch (format) {
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case E.ClaimFormat.URI:
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return `openpgp4fpr:${fingerprint}`
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case E.ClaimFormat.FINGERPRINT:
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return fingerprint
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default:
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throw new Error('No valid claim format')
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}
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}
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/**
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* Get the URIs from a string and return them as an array
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* @param {string} text - The text that may contain URIs
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* @returns {Array.string}
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*/
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const getUriFromString = (text) => {
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const re = /((([A-Za-z0-9]+:(?:\/\/)?)(?:[-;:&=+$,\w]+@)?[A-Za-z0-9.-]+|(?:www\.|[-;:&=+$,\w]+@)[A-Za-z0-9.-]+)((?:\/[+~%/.\w\-_]*)?\??(?:[-+=&;%@.\w_]*)#?(?:[.!/\\\w]*))?)/gi
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const res = text.match(re)
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const urls = []
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if (!res) {
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return []
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}
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res.forEach(url => {
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// Remove bad trailing characters
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let hasBadTrailingChars = true
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while (hasBadTrailingChars) {
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const lastChar = url.charAt(url.length - 1)
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if ('?!.'.indexOf(lastChar) === -1) {
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hasBadTrailingChars = false
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continue
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}
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url = url.substring(0, url.length - 1)
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}
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urls.push(url)
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})
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return urls
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}
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exports.generateProxyURL = generateProxyURL
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exports.generateClaim = generateClaim
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exports.getUriFromString = getUriFromString
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