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Update dompdf & add basic encryption to prevent changes to invoices #242

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Update dompdf & add basic encryption to prevent changes to invoices #242

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2 changes: 1 addition & 1 deletion composer.json
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@
"keywords": ["Laravel", "Invoice", "Invoices", "PDF"],
"require": {
"php": ">=8.2",
"barryvdh/laravel-dompdf": "^v2.0",
"barryvdh/laravel-dompdf": "^v3.0",
"illuminate/http": "^10|^11",
"illuminate/support": "^10|^11",
"symfony/http-foundation": "^6|^7"
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4 changes: 4 additions & 0 deletions config/invoices.php
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Expand Up @@ -112,4 +112,8 @@
*/
'logOutputFile' => '/dev/null',
],

'security' => [
'encryption' => true,
]
];
8 changes: 7 additions & 1 deletion src/Invoice.php
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Expand Up @@ -8,6 +8,7 @@
use Illuminate\Http\Response;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\View;
use Illuminate\Support\Str;
use LaravelDaily\Invoices\Classes\InvoiceItem;
use LaravelDaily\Invoices\Classes\Party;
use LaravelDaily\Invoices\Contracts\PartyContract;
Expand Down Expand Up @@ -276,8 +277,13 @@ public function render()
$this->pdf = PDF::setOptions($this->options)
->setPaper($this->paperOptions['size'], $this->paperOptions['orientation'])
->loadHtml($html);
$this->output = $this->pdf->output();

if (config('invoices.security.encryption')) {
// By definition an invoice should not be changable by anyone, so use a random master password
$this->pdf->setEncryption('', Str::random(40), array('copy','print'));
}

$this->output = $this->pdf->output();
return $this;
}

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