Linter script for the Italian electronic invoice (Fattura Elettronica)

fattura-elettronica-xml-lint.sh

#!/bin/bash

SCHEMA_URI="https://www.fatturapa.gov.it/export/documenti/fatturapa/v1.2.1/Schema_del_file_xml_FatturaPA_versione_1.2.1.xsd"

IMPORTED_SCHEMAS=(xmldsig-core-schema.xsd)
IMPORTED_SCHEMAS_BASE_URI="https://raw.githubusercontent.com/italia/fatturapa-testsdi/master/core/schemas/"

tmp_dir=$(mktemp -d -t fe-xml-lint-XXXXXXXXXX)
schemas=("$SCHEMA_URI")

trap "rm -r $tmp_dir" EXIT

for schema in ${IMPORTED_SCHEMAS[*]}; do
    schemas+=("$IMPORTED_SCHEMAS_BASE_URI/$schema")
done;

for schema in ${schemas[*]}; do
    if ! wget -P $tmp_dir -q $schema; then
        echo "Schema file $schema not properly downloaded"
        exit 1
    fi
done

# Fix import of imported remote schemas
for schema in ${IMPORTED_SCHEMAS[*]}; do
    sed -i "s,schemaLocation=['\"].*$schema['\"],schemaLocation=\"file://$tmp_dir/$schema\",g" \
        $tmp_dir/$(basename $SCHEMA_URI)
done;

for input in $@; do
    xmllint --noout "$input" \
        --schema $tmp_dir/$(basename $SCHEMA_URI)
    exit_status=$?
done

exit $?