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Edit File : Validator.php \| Size : 4.64 KB
<?php namespace Dotenv; use Dotenv\Exception\ValidationException; use Dotenv\Regex\Regex; /** * This is the validator class. * * It's responsible for applying validations against a number of variables. / class Validator { /* * The variables to validate. * * @var string[] / protected $variables; /* * The loader instance. * * @var \Dotenv\Loader / protected $loader; /* * Create a new validator instance. * * @param string[] $variables * @param \Dotenv\Loader $loader * @param bool $required * * @throws \Dotenv\Exception\ValidationException * * @return void / public function __construct(array $variables, Loader $loader, $required = true) { $this->variables = $variables; $this->loader = $loader; if ($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($this->loader->getEnvironmentVariable($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; } } Back

Edit File : Validator.php | Size : 4.64 KB

<?php

namespace Dotenv;

use Dotenv\Exception\ValidationException;
use Dotenv\Regex\Regex;

/**
 * This is the validator class.
 *
 * It's responsible for applying validations against a number of variables.
 */
class Validator
{
    /**
     * The variables to validate.
     *
     * @var string[]
     */
    protected $variables;

/**
     * The loader instance.
     *
     * @var \Dotenv\Loader
     */
    protected $loader;

/**
     * Create a new validator instance.
     *
     * @param string[]       $variables
     * @param \Dotenv\Loader $loader
     * @param bool           $required
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return void
     */
    public function __construct(array $variables, Loader $loader, $required = true)
    {
        $this->variables = $variables;
        $this->loader = $loader;

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($this->loader->getEnvironmentVariable($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;
    }
}

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