Paul Shapiro
7 years ago
parent
8ace67cd7e
commit
54f4aaaaf5
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// Copyright (c) 2014-2017, MyMonero.com
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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"use strict"
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//
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const monero_config = require('../mymonero_core_js/monero_utils/monero_config')
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const monero_utils = require('../mymonero_core_js/monero_utils/monero_cryptonote_utils_instance')
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const openalias_utils = require('./openalias_utils')
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//
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const currency_openAliasPrefix = monero_config.openAliasPrefix
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//
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function DoesStringContainPeriodChar_excludingAsXMRAddress_qualifyingAsPossibleOAAddress(address)
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{
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if (address.indexOf('.') !== -1) {
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// assumed to be an OA address asXMR addresses do not have periods and OA addrs must
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return true
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}
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return false
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}
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exports.DoesStringContainPeriodChar_excludingAsXMRAddress_qualifyingAsPossibleOAAddress = DoesStringContainPeriodChar_excludingAsXMRAddress_qualifyingAsPossibleOAAddress
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//
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function ResolvedMoneroAddressInfoFromOpenAliasAddress(
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openAliasAddress,
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hostedMoneroAPIClient, // to get TXT records
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fn
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// fn: (
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// err,
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// moneroReady_address,
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// payment_id, // may be undefined
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// tx_description, // may be undefined
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// openAlias_domain,
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// oaRecords_0_name,
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// oaRecords_0_description,
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// dnssec_used_and_secured
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// ) -> HostedMoneroAPIClient_RequestHandle
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)
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{
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if (DoesStringContainPeriodChar_excludingAsXMRAddress_qualifyingAsPossibleOAAddress(openAliasAddress) === false) {
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throw "Asked to resolve non-OpenAlias address." // throw as code fault
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}
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var openAlias_domain = openAliasAddress.replace(/@/g, ".");
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const requestHandle = hostedMoneroAPIClient.TXTRecords(
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openAlias_domain,
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function(err, records, dnssec_used, secured, dnssec_fail_reason)
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{
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if (err) {
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const message = err.message ? err.message : err.toString()
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const errStr = "Couldn't look up '" + openAlias_domain + "'… " + message
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const returnableErr = new Error(errStr)
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fn(returnableErr)
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return
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}
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// console.log(openAlias_domain + ": ", records);
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var oaRecords;
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try {
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oaRecords = openalias_utils.ValidatedOARecordsFromTXTRecordsWithOpenAliasPrefix(
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openAlias_domain,
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records,
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dnssec_used,
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secured,
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dnssec_fail_reason,
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currency_openAliasPrefix
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)
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} catch (e) {
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const err = new Error(e)
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fn(err)
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return
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}
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const sampled_oaRecord = oaRecords[0] // going to assume we only have one, or that the first one is sufficient
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// console.log("OpenAlias record: ", sampled_oaRecord)
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var oaRecord_address = sampled_oaRecord.address
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try { // verify address is decodable for currency
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monero_utils.decode_address(oaRecord_address)
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} catch (e) {
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const errStr = "Address received by parsing OpenAlias address " + oaRecord_address + " was not a valid Monero address: " + e
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const error = new Error(errStr) // apparently if this is named err, JS will complain. no-semicolon parsing issue?
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fn(error)
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return
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}
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const moneroReady_address = oaRecord_address // now considered valid
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const payment_id = sampled_oaRecord.tx_payment_id
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const tx_description = sampled_oaRecord.tx_description
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//
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const oaRecords_0_name = sampled_oaRecord.name
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const oaRecords_0_description = sampled_oaRecord.description
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const dnssec_used_and_secured = dnssec_used && secured
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//
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fn(
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null,
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//
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moneroReady_address,
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payment_id,
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tx_description,
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//
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openAlias_domain,
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oaRecords_0_name,
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oaRecords_0_description,
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dnssec_used_and_secured
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)
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}
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)
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return requestHandle
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}
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exports.ResolvedMoneroAddressInfoFromOpenAliasAddress = ResolvedMoneroAddressInfoFromOpenAliasAddress
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