peppol-bis-billing-validator is a small service for validating XML against the official
Peppol BIS Billing 3.0 schematron rules. It exposes a validating endpoint which takes the
to be validated XML and returns the schematron report. The HTTP status code indicates if the
provided XML is valid (200) or has issues (400).
This service was mainly designed with docker in mind. So general idea is to use the following docker image and make HTTP-Requests from the main application to the service for validation the XML.
- modifying / creating docker-compose.yaml
The service exposes a health endpoint which can be used to check if the service ready to be used
You can find a OpenAPI documentation after you started the service at /swagger
peppol-validator:
image: 'easybill/peppol-bis-billing-validator:latest'
ports:
- '8081:8080'
environment:
JAVA_TOOL_OPTIONS: -Xmx512m
healthcheck:
test: curl --fail http://localhost:8081/health || exit 0
interval: 10s
retries: 6- starting docker compose
docker compose up --detach --wait --wait-timeout 30
- Example of using the service (PHP)
<?php
declare(strict_types=1);
final class PeppolValidator
{
public function isValid(string $xml): ?bool
{
$httpClient = new Client();
$response = $httpClient->request('POST', 'http://localhost:8081/validation', [
RequestOptions::HEADERS => [
'Content-Type' => 'application/xml',
],
RequestOptions::BODY => $xml,
RequestOptions::TIMEOUT => 10,
RequestOptions::CONNECT_TIMEOUT => 10,
RequestOptions::HTTP_ERRORS => false,
]);
return 200 === $response->getStatusCode();
}
}- Example response in case the XML is invalid
The
svrl:failed-assertelements are relevant to be inspected. They contain the error message. The
<?xml version="1.0" encoding="UTF-8"?>
<svrl:schematron-output xmlns:svrl="http://purl.oclc.org/dsdl/svrl" title="Rules for Peppol BIS 3.0 Billing" schemaVersion="iso">
<svrl:ns-prefix-in-attribute-values prefix="cbc" uri="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" />
<svrl:ns-prefix-in-attribute-values prefix="cac" uri="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" />
<svrl:ns-prefix-in-attribute-values prefix="ubl-creditnote" uri="urn:oasis:names:specification:ubl:schema:xsd:CreditNote-2" />
<svrl:ns-prefix-in-attribute-values prefix="ubl-invoice" uri="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" />
<svrl:ns-prefix-in-attribute-values prefix="xs" uri="http://www.w3.org/2001/XMLSchema" />
<svrl:ns-prefix-in-attribute-values prefix="u" uri="utils" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:fired-rule context="ubl-creditnote:CreditNote | ubl-invoice:Invoice" />
<svrl:failed-assert id="PEPPOL-EN16931-R007" location="/*:Invoice[namespace-uri()='urn:oasis:names:specification:ubl:schema:xsd:Invoice-2'][1]" test="$profile != 'Unknown'" flag="fatal">
<svrl:text>Business process MUST be in the format 'urn:fdc:peppol.eu:2017:poacc:billing:NN:1.0' where NN indicates the process number.</svrl:text>
</svrl:failed-assert>
<svrl:fired-rule context="cac:AccountingSupplierParty/cac:Party" />
<svrl:fired-rule context="cbc:EndpointID[@schemeID = '0088'] | cac:PartyIdentification/cbc:ID[@schemeID = '0088'] | cbc:CompanyID[@schemeID = '0088']" />
<svrl:fired-rule context="cac:AccountingCustomerParty/cac:Party" />
<svrl:fired-rule context="cbc:EndpointID[@schemeID = '0184'] | cac:PartyIdentification/cbc:ID[@schemeID = '0184'] | cbc:CompanyID[@schemeID = '0184']" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cac:TaxTotal[cac:TaxSubtotal]/cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cac:TaxTotal[cac:TaxSubtotal]/cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cac:TaxTotal[cac:TaxSubtotal]/cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cac:TaxTotal[cac:TaxSubtotal]/cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cac:TaxTotal[cac:TaxSubtotal]/cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cac:TaxTotal[cac:TaxSubtotal]/cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cac:InvoiceLine | cac:CreditNoteLine" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cac:TaxTotal[cac:TaxSubtotal]/cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cac:TaxTotal[cac:TaxSubtotal]/cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:active-pattern document="" />
<svrl:fired-rule context="cbc:IssueDate | cbc:DueDate | cbc:TaxPointDate | cbc:StartDate | cbc:EndDate | cbc:ActualDeliveryDate" />
<svrl:fired-rule context="cbc:InvoiceTypeCode" />
<svrl:fired-rule context="cbc:EndpointID[@schemeID]" />
<svrl:fired-rule context="cbc:EndpointID[@schemeID]" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cac:TaxCategory[upper-case(cbc:TaxExemptionReasonCode)='VATEX-EU-F']" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
<svrl:fired-rule context="cbc:Amount | cbc:BaseAmount | cbc:PriceAmount | cbc:TaxAmount | cbc:TaxableAmount | cbc:LineExtensionAmount | cbc:TaxExclusiveAmount | cbc:TaxInclusiveAmount | cbc:AllowanceTotalAmount | cbc:ChargeTotalAmount | cbc:PrepaidAmount | cbc:PayableRoundingAmount | cbc:PayableAmount" />
</svrl:schematron-output>Feel free to create pull-requests or an issue if you have trouble with this service or any related resource.
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