loviuz/openstamanager
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openstamanager
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Code Issues Releases Activity

Merge remote-tracking branch 'origin/p7m'

This commit is contained in:
Thomas Zilio 2019-05-03 15:37:19 -07:00
parent 0927dca82f 8dcc704676
commit 150b8efefe
3 changed files with 93 additions and 55 deletions
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5
plugins/importFE/list.php
View File

@ -81,6 +81,11 @@ function download(button, file) {
buttonRestore(button, restore);
$(button).prop("disabled", true);
}
},
error: function(xhr) {
alert("'.tr('Errore').': " + xhr.responseJSON.error.message);
buttonRestore(button, restore);
}
});
}

11
plugins/importFE/src/FatturaElettronica.php
View File

@ -34,6 +34,17 @@ class FatturaElettronica
public function __construct($name)
{
$this->file = static::getImportDirectory().'/'.$name;
if (ends_with($name, '.p7m')) {
$file = XML::decodeP7M($this->file);
if (!empty($file)) {
delete($this->file);
$this->file = $file;
}
}
$this->xml = XML::readFile($this->file);
// Individuazione fattura pre-esistente

132
src/Util/XML.php
View File

@ -20,7 +20,7 @@ class XML
*/
public static function read($string)
{
$content = static::stripP7MData($string);
$content = $string;
libxml_use_internal_errors(true);
@ -39,84 +39,106 @@ class XML
/**
* Interpreta i contenuti di un file XML.
*
* @param string $path
* @param string $file
*
* @return array
*/
public static function readFile($path)
public static function readFile($file)
{
return static::read(file_get_contents($path));
return static::read(file_get_contents($file));
}
/**
* Removes the PKCS#7 header and the signature info footer from a digitally-signed .xml.p7m file using CAdES format.
* Interpreta i contenuti di un file XML.
*
* TODO: controllare il funzionamento con gli allegati (https://forum.italia.it/t/in-produzione-xml-ricevuto-non-leggibile/5695/2).
* @param string $file
*
* @param string $string File content
*
* @return string An arguably-valid XML string with the .p7m header and footer stripped away.
*
* @source https://www.ryadel.com/php-estrarre-contenuto-file-xml-p7m-cades-fattura-elettronica-pa/
* @return string|bool
*/
protected static function stripP7MData($string)
public static function decodeP7M($file)
{
// skip everything before the XML content
$string = substr($string, strpos($string, '<?xml '));
$directory = pathinfo($file, PATHINFO_DIRNAME);
$content = file_get_contents($file);
// skip everything after the XML content
preg_match_all('/<\/.+?>/', $string, $matches, PREG_OFFSET_CAPTURE);
$lastMatch = end($matches[0]);
$base64 = base64_decode(base64_encode($content), true);
if ($base64 !== false) {
$content = $base64;
}
$result = substr($string, 0, $lastMatch[1] + strlen($lastMatch[0]) + 1);
file_put_contents($file, self::removeBOM($content));
return static::sanitizeXML($result);
$output_file = $directory.'/'.basename($file, '.p7m');
exec('openssl smime -verify -noverify -in "'.$file.'" -inform DER -out "'.$output_file.'"', $output, $cmd);
if (!file_exists($output_file)) {
$signer = $directory.'/signer';
self::decode($file, $output_file, $signer);
self::der2smime($file);
self::decode($file, $output_file, $signer);
if (!file_exists($output_file)) {
return false;
}
}
return $output_file;
}
/**
* Removes invalid characters from a UTF-8 XML string.
* Decodifica il file utilizzando le funzioni native PHP.
*
* @param string a XML string potentially containing invalid characters
* @param $file
* @param $output_file
* @param $signer
*
* @return mixed
*/
protected static function decode($file, $output_file, $signer)
{
openssl_pkcs7_verify($file, PKCS7_NOVERIFY | PKCS7_NOSIGS, $signer);
$result = openssl_pkcs7_verify($file, PKCS7_NOVERIFY | PKCS7_NOSIGS, $signer, [], $signer, $output_file);
return $result;
}
/**
* Remove UTF8 BOM.
*
* @param $text
*
* @return string
*
* @source https://www.ryadel.com/php-eliminare-caratteri-non-validi-file-stringa-xml-utf8-utf-8/
* @source https://stackoverflow.com/questions/10290849/how-to-remove-multiple-utf-8-bom-sequences
*/
protected static function sanitizeXML($string)
protected static function removeBOM($text)
{
if (!empty($string)) {
$regex = '/(
[\xC0-\xC1] # Invalid UTF-8 Bytes
| [\xF5-\xFF] # Invalid UTF-8 Bytes
| \xE0[\x80-\x9F] # Overlong encoding of prior code point
| \xF0[\x80-\x8F] # Overlong encoding of prior code point
| [\xC2-\xDF](?![\x80-\xBF]) # Invalid UTF-8 Sequence Start
| [\xE0-\xEF](?![\x80-\xBF]{2}) # Invalid UTF-8 Sequence Start
| [\xF0-\xF4](?![\x80-\xBF]{3}) # Invalid UTF-8 Sequence Start
| (?<=[\x0-\x7F\xF5-\xFF])[\x80-\xBF] # Invalid UTF-8 Sequence Middle
| (?<![\xC2-\xDF]|[\xE0-\xEF]|[\xE0-\xEF][\x80-\xBF]|[\xF0-\xF4]|[\xF0-\xF4][\x80-\xBF]|[\xF0-\xF4][\x80-\xBF]{2})[\x80-\xBF] # Overlong Sequence
| (?<=[\xE0-\xEF])[\x80-\xBF](?![\x80-\xBF]) # Short 3 byte sequence
| (?<=[\xF0-\xF4])[\x80-\xBF](?![\x80-\xBF]{2}) # Short 4 byte sequence
| (?<=[\xF0-\xF4][\x80-\xBF])[\x80-\xBF](?![\x80-\xBF]) # Short 4 byte sequence (2)
)/x';
$string = preg_replace($regex, '', $string);
$bom = pack('H*', 'EFBBBF');
$text = preg_replace("/^$bom/", '', $text);
$result = '';
$length = strlen($string);
for ($i = 0; $i < $length; ++$i) {
$current = ord($string[$i]);
if (($current == 0x9) ||
($current == 0xA) ||
($current == 0xD) ||
(($current >= 0x20) && ($current <= 0xD7FF)) ||
(($current >= 0xE000) && ($current <= 0xFFFD)) ||
(($current >= 0x10000) && ($current <= 0x10FFFF))) {
$result .= chr($current);
}
}
$string = $result;
}
return $text;
}
return $string;
/**
* @param $file
*
* @return bool|int
*
* @source http://php.net/manual/en/function.openssl-pkcs7-verify.php#123118
*/
protected static function der2smime($file)
{
$to = <<<TXT
MIME-Version: 1.0
Content-Disposition: attachment; filename="smime.p7m"
Content-Type: application/x-pkcs7-mime; smime-type=signed-data; name="smime.p7m"
Content-Transfer-Encoding: base64
\n
TXT;
$from = file_get_contents($file);
$to .= chunk_split(base64_encode($from));
return file_put_contents($file, $to);
}
}