Primo Committ

vendor/vlucas/phpdotenv/src/Validator.php

@@ -0,0 +1,193 @@
+<?php
+
+namespace Dotenv;
+
+use Dotenv\Exception\ValidationException;
+use Dotenv\Regex\Regex;
+use Dotenv\Repository\RepositoryInterface;
+
+class Validator
+{
+    /**
+     * The environment repository instance.
+     *
+     * @var \Dotenv\Repository\RepositoryInterface
+     */
+    protected $repository;
+
+    /**
+     * The variables to validate.
+     *
+     * @var string[]
+     */
+    protected $variables;
+
+    /**
+     * Create a new validator instance.
+     *
+     * @param \Dotenv\Repository\RepositoryInterface $repository
+     * @param string[]                               $variables
+     * @param bool                                   $required
+     *
+     * @throws \Dotenv\Exception\ValidationException
+     *
+     * @return void
+     */
+    public function __construct(RepositoryInterface $repository, array $variables, $required = true)
+    {
+        $this->repository = $repository;
+        $this->variables = $variables;
+
+        if ($required) {
+            $this->assertCallback(
+                function ($value) {
+                    return $value !== null;
+                },
+                'is missing'
+            );
+        }
+    }
+
+    /**
+     * Assert that each variable is not empty.
+     *
+     * @throws \Dotenv\Exception\ValidationException
+     *
+     * @return \Dotenv\Validator
+     */
+    public function notEmpty()
+    {
+        return $this->assertCallback(
+            function ($value) {
+                if ($value === null) {
+                    return true;
+                }
+
+                return strlen(trim($value)) > 0;
+            },
+            'is empty'
+        );
+    }
+
+    /**
+     * Assert that each specified variable is an integer.
+     *
+     * @throws \Dotenv\Exception\ValidationException
+     *
+     * @return \Dotenv\Validator
+     */
+    public function isInteger()
+    {
+        return $this->assertCallback(
+            function ($value) {
+                if ($value === null) {
+                    return true;
+                }
+
+                return ctype_digit($value);
+            },
+            'is not an integer'
+        );
+    }
+
+    /**
+     * Assert that each specified variable is a boolean.
+     *
+     * @throws \Dotenv\Exception\ValidationException
+     *
+     * @return \Dotenv\Validator
+     */
+    public function isBoolean()
+    {
+        return $this->assertCallback(
+            function ($value) {
+                if ($value === null) {
+                    return true;
+                }
+
+                if ($value === '') {
+                    return false;
+                }
+
+                return filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE) !== null;
+            },
+            'is not a boolean'
+        );
+    }
+
+    /**
+     * Assert that each variable is amongst the given choices.
+     *
+     * @param string[] $choices
+     *
+     * @throws \Dotenv\Exception\ValidationException
+     *
+     * @return \Dotenv\Validator
+     */
+    public function allowedValues(array $choices)
+    {
+        return $this->assertCallback(
+            function ($value) use ($choices) {
+                if ($value === null) {
+                    return true;
+                }
+
+                return in_array($value, $choices, true);
+            },
+            sprintf('is not one of [%s]', implode(', ', $choices))
+        );
+    }
+
+    /**
+     * Assert that each variable matches the given regular expression.
+     *
+     * @param string $regex
+     *
+     * @throws \Dotenv\Exception\ValidationException
+     *
+     * @return \Dotenv\Validator
+     */
+    public function allowedRegexValues($regex)
+    {
+        return $this->assertCallback(
+            function ($value) use ($regex) {
+                if ($value === null) {
+                    return true;
+                }
+
+                return Regex::match($regex, $value)->success()->getOrElse(0) === 1;
+            },
+            sprintf('does not match "%s"', $regex)
+        );
+    }
+
+    /**
+     * Assert that the callback returns true for each variable.
+     *
+     * @param callable $callback
+     * @param string   $message
+     *
+     * @throws \Dotenv\Exception\ValidationException
+     *
+     * @return \Dotenv\Validator
+     */
+    protected function assertCallback(callable $callback, $message = 'failed callback assertion')
+    {
+        $failing = [];
+
+        foreach ($this->variables as $variable) {
+            if ($callback($this->repository->get($variable)) === false) {
+                $failing[] = sprintf('%s %s', $variable, $message);
+            }
+        }
+
+        if (count($failing) > 0) {
+            throw new ValidationException(sprintf(
+                'One or more environment variables failed assertions: %s.',
+                implode(', ', $failing)
+            ));
+        }
+
+        return $this;
+    }
+}