Prevent C0 control codes (#38)

laravel · Aug 4, 2023 · aecf6f3 · aecf6f3
1 parent bb48119
commit aecf6f3
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Showing 2 changed files with 1 addition and 15 deletions.
diff --git a/src/Concerns/TypedValue.php b/src/Concerns/TypedValue.php
@@ -16,18 +16,6 @@ trait TypedValue
      */
     protected int $cursorPosition = 0;
 
-    /**
-     * Keys to ignore
-     *
-     * @var array<string>
-     */
-    protected array $ignore = [
-        Key::ENTER,
-        Key::TAB,
-        Key::CTRL_C,
-        Key::CTRL_D,
-    ];
-
     /**
      * Track the value as the user types.
      */
@@ -64,7 +52,7 @@ protected function trackTypedValue(string $default = '', bool $submit = true): v
 
                     $this->typedValue = mb_substr($this->typedValue, 0, $this->cursorPosition - 1).mb_substr($this->typedValue, $this->cursorPosition);
                     $this->cursorPosition--;
-                } elseif (! in_array($key, $this->ignore)) {
+                } elseif (ord($key) >= 32) {
                     $this->typedValue = mb_substr($this->typedValue, 0, $this->cursorPosition).$key.mb_substr($this->typedValue, $this->cursorPosition);
                     $this->cursorPosition++;
                 }

diff --git a/src/Key.php b/src/Key.php
@@ -25,6 +25,4 @@ class Key
     const SHIFT_TAB = "\e[Z";
 
     const CTRL_C = "\x03";
-
-    const CTRL_D = "\x04";
 }