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Pull Request — master (#369)
by
unknown
03:01
created

Ip::getIpv4NotAllowedMessage()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
eloc 1
c 0
b 0
f 0
dl 0
loc 3
ccs 2
cts 2
cp 1
rs 10
cc 1
nc 1
nop 0
crap 1
1
<?php
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declare(strict_types=1);
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namespace Yiisoft\Validator\Rule;
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use Attribute;
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use Closure;
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use RuntimeException;
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use Yiisoft\NetworkUtilities\IpHelper;
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use Yiisoft\Validator\Rule\Trait\SkipOnEmptyTrait;
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use Yiisoft\Validator\Rule\Trait\SkipOnErrorTrait;
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use Yiisoft\Validator\Rule\Trait\WhenTrait;
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use Yiisoft\Validator\SerializableRuleInterface;
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use Yiisoft\Validator\SkipOnEmptyInterface;
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use Yiisoft\Validator\SkipOnErrorInterface;
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use Yiisoft\Validator\ValidationContext;
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use Yiisoft\Validator\WhenInterface;
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use function array_key_exists;
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use function strlen;
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/**
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 * Checks if the value is a valid IPv4/IPv6 address or subnet.
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 *
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 * It also may change the value if normalization of IPv6 expansion is enabled.
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 */
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#[Attribute(Attribute::TARGET_PROPERTY | Attribute::IS_REPEATABLE)]
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final class Ip implements SerializableRuleInterface, SkipOnErrorInterface, WhenInterface, SkipOnEmptyInterface
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{
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    use SkipOnEmptyTrait;
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    use SkipOnErrorTrait;
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    use WhenTrait;
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    /**
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     * Negation char.
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     *
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     * Used to negate {@see $ranges} or {@see $network} or to negate validating value when {@see $allowNegation}
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     * is used.
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     */
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    private const NEGATION_CHAR = '!';
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    /**
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     * @var array<string, list<string>>
0 ignored issues
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Documentation Bug introduced by
The doc comment array<string, list<string>> at position 4 could not be parsed: Expected '>' at position 4, but found 'list'.
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     *
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     * @see $networks
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     */
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    private array $defaultNetworks = [
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        '*' => ['any'],
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        'any' => ['0.0.0.0/0', '::/0'],
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        'private' => ['10.0.0.0/8', '172.16.0.0/12', '192.168.0.0/16', 'fd00::/8'],
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        'multicast' => ['224.0.0.0/4', 'ff00::/8'],
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        'linklocal' => ['169.254.0.0/16', 'fe80::/10'],
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        'localhost' => ['127.0.0.0/8', '::1'],
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        'documentation' => ['192.0.2.0/24', '198.51.100.0/24', '203.0.113.0/24', '2001:db8::/32'],
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        'system' => ['multicast', 'linklocal', 'localhost', 'documentation'],
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    ];
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58 11
    public function __construct(
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        /**
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         * @var array<string, list<string>> Custom network aliases, that can be used in {@see $ranges}:
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         *
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         *  - key - alias name.
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         *  - value - array of strings. String can be an IP range, IP address or another alias. String can be negated
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         * with {@see NEGATION_CHAR} (independent of {@see $allowNegation} option).
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         *
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         * The following aliases are defined by default in {@see $defaultNetworks} and will be merged with custom ones:
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         *
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         *  - `*`: `any`.
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         *  - `any`: `0.0.0.0/0, ::/0`.
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         *  - `private`: `10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16, fd00::/8`.
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         *  - `multicast`: `224.0.0.0/4, ff00::/8`.
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         *  - `linklocal`: `169.254.0.0/16, fe80::/10`.
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         *  - `localhost`: `127.0.0.0/8', ::1`.
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         *  - `documentation`: `192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24, 2001:db8::/32`.
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         *  - `system`: `multicast, linklocal, localhost, documentation`.
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         */
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        private array $networks = [],
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        /**
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         * @var bool Whether the validating value can be an IPv4 address. Defaults to `true`.
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         */
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        private bool $allowIpv4 = true,
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        /**
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         * @var bool Whether the validating value can be an IPv6 address. Defaults to `true`.
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         */
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        private bool $allowIpv6 = true,
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        /**
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         * @var bool Whether the address can be an IP with CIDR subnet, like `192.168.10.0/24`. The following values are
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         * possible:
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         *
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         * - `false` - the address must not have a subnet (default).
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         * - `true` - specifying a subnet is optional.
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         */
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        private bool $allowSubnet = false,
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        private bool $requireSubnet = false,
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        /**
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         * @var bool Whether address may have a {@see NEGATION_CHAR} character at the beginning. Defaults to `false`.
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         */
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        private bool $allowNegation = false,
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        private string $incorrectInputMessage = 'The value must have a string type.',
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        /**
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         * @var string User-defined error message is used when validation fails due to the wrong IP address format.
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         *
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         * You may use the following placeholders in the message:
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         *
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         * - `{attribute}`: the label of the attribute being validated.
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         * - `{value}`: the value of the attribute being validated.
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         */
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        private string $message = 'Must be a valid IP address.',
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        /**
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         * @var string User-defined error message is used when validation fails due to the disabled IPv4 validation when
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         * {@see $allowIpv4} is set.
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         *
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         * You may use the following placeholders in the message:
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         *
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         * - `{attribute}`: the label of the attribute being validated.
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         * - `{value}`: the value of the attribute being validated.
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         */
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        private string $ipv4NotAllowedMessage = 'Must not be an IPv4 address.',
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        /**
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         * @var string User-defined error message is used when validation fails due to the disabled IPv6 validation when
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         * {@see $allowIpv6} is set.
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         *
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         * You may use the following placeholders in the message:
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         *
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         * - `{attribute}`: the label of the attribute being validated.
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         * - `{value}`: the value of the attribute being validated.
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         */
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        private string $ipv6NotAllowedMessage = 'Must not be an IPv6 address.',
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        /**
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         * @var string User-defined error message is used when validation fails due to the wrong CIDR when
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         * {@see $allowSubnet} is set.
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         *
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         * You may use the following placeholders in the message:
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         *
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         * - `{attribute}`: the label of the attribute being validated.
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         * - `{value}`: the value of the attribute being validated.
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         */
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        private string $wrongCidrMessage = 'Contains wrong subnet mask.',
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        /**
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         * @var string User-defined error message is used when validation fails due to {@see $allowSubnet} is used, but
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         * the CIDR prefix is not set.
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         *
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         * You may use the following placeholders in the message:
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         *
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         * - `{attribute}`: the label of the attribute being validated.
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         * - `{value}`: the value of the attribute being validated.
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         */
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        private string $noSubnetMessage = 'Must be an IP address with specified subnet.',
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        /**
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         * @var string User-defined error message is used when validation fails due to {@see $allowSubnet} is false, but
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         * CIDR prefix is present.
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         *
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         * You may use the following placeholders in the message:
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         *
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         * - `{attribute}`: the label of the attribute being validated.
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         * - `{value}`: the value of the attribute being validated.
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         */
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        private string $hasSubnetMessage = 'Must not be a subnet.',
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        /**
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         * @var string User-defined error message is used when validation fails due to IP address is not allowed by
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         * {@see $ranges} check.
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         *
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         * You may use the following placeholders in the message:
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         *
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         * - `{attribute}`: the label of the attribute being validated.
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         * - `{value}`: the value of the attribute being validated.
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         */
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        private string $notInRangeMessage = 'Is not in the allowed range.',
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        /**
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         * @var string[] The IPv4 or IPv6 ranges that are allowed or forbidden.
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         *
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         * The following preparation tasks are performed:
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         *
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         * - Recursively substitutes aliases (described in {@see $networks}) with their values.
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         * - Removes duplicates.
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         *
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         * When the array is empty, or the option not set, all IP addresses are allowed.
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         *
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         * Otherwise, the rules are checked sequentially until the first match is found. An IP address is forbidden, when it
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         * has not matched any of the rules.
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         *
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         * Example:
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         *
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         * ```php
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         * new Ip(ranges: [
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         *     '192.168.10.128'
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         *     '!192.168.10.0/24',
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         *     'any' // allows any other IP addresses
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         * ]);
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         * ```
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         *
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         * In this example, access is allowed for all the IPv4 and IPv6 addresses excluding the `192.168.10.0/24`
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         * subnet. IPv4 address `192.168.10.128` is also allowed, because it is listed before the restriction.
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         */
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        private array $ranges = [],
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        /**
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         * @var bool|callable|null
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         */
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        private mixed $skipOnEmpty = null,
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        private bool $skipOnError = false,
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        /**
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         * @var Closure(mixed, ValidationContext):bool|null
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         */
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        private ?Closure $when = null,
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    ) {
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        foreach ($networks as $key => $_values) {
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            if (array_key_exists($key, $this->defaultNetworks)) {
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                throw new RuntimeException("Network alias \"{$key}\" already set as default.");
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            }
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        }
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        $this->networks = array_merge($this->defaultNetworks, $this->networks);
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        if ($requireSubnet) {
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            // Might be a bug of XDebug, because this line is covered by tests (see "IpTest").
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            // @codeCoverageIgnoreStart
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            $this->allowSubnet = true;
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            // @codeCoverageIgnoreEnd
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        }
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        $this->ranges = $this->prepareRanges($ranges);
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    }
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224 1
    public function getName(): string
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    {
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        return 'ip';
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    }
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    public function getNetworks(): array
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    {
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        return $this->networks;
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    }
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234 120
    public function isAllowIpv4(): bool
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    {
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        return $this->allowIpv4;
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    }
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239 35
    public function isAllowIpv6(): bool
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    {
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        return $this->allowIpv6;
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    }
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244 34
    public function isAllowSubnet(): bool
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    {
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        return $this->allowSubnet;
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    }
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    public function isRequireSubnet(): bool
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    {
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        return $this->requireSubnet;
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    }
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254 8
    public function isAllowNegation(): bool
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    {
256 8
        return $this->allowNegation;
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    }
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259 4
    public function getIncorrectInputMessage(): string
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    {
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        return $this->incorrectInputMessage;
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    }
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264 33
    public function getMessage(): string
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    {
266 33
        return $this->message;
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    }
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    public function getIpv4NotAllowedMessage(): string
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    {
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        return $this->ipv4NotAllowedMessage;
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    }
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274 1
    public function getIpv6NotAllowedMessage(): string
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    {
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        return $this->ipv6NotAllowedMessage;
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    }
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    public function getWrongCidrMessage(): string
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    {
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        return $this->wrongCidrMessage;
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    }
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    public function getNoSubnetMessage(): string
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    {
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        return $this->noSubnetMessage;
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    }
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289 4
    public function getHasSubnetMessage(): string
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    {
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        return $this->hasSubnetMessage;
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    }
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294 16
    public function getNotInRangeMessage(): string
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    {
296 16
        return $this->notInRangeMessage;
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    }
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299 4
    public function getRanges(): array
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    {
301 4
        return $this->ranges;
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    }
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    /**
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     * Parses IP address/range for the negation with {@see NEGATION_CHAR}.
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     *
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     * @return array{0: bool, 1: string} The result array consists of 2 elements:
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     * - boolean: whether the string is negated
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     * - string: the string without negation (when the negation were present)
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     */
311 42
    private function parseNegatedRange(string $string): array
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    {
313 42
        $isNegated = str_starts_with($string, self::NEGATION_CHAR);
314 42
        return [$isNegated, $isNegated ? substr($string, strlen(self::NEGATION_CHAR)) : $string];
315
    }
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    /**
318
     * Prepares array to fill in {@see $ranges}:
319
     *
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     *  - Recursively substitutes aliases, described in {@see $networks} with their values.
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     *  - Removes duplicates.
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     *
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     * @param string[] $ranges
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     *
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     * @return string[]
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     */
327 10
    private function prepareRanges(array $ranges): array
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    {
329 10
        $result = [];
330 10
        foreach ($ranges as $string) {
331 4
            [$isRangeNegated, $range] = $this->parseNegatedRange($string);
332 4
            if (isset($this->networks[$range])) {
333 3
                $replacements = $this->prepareRanges($this->networks[$range]);
334 3
                foreach ($replacements as &$replacement) {
335 3
                    [$isReplacementNegated, $replacement] = $this->parseNegatedRange($replacement);
336 3
                    $result[] = ($isRangeNegated && !$isReplacementNegated ? self::NEGATION_CHAR : '') . $replacement;
337
                }
338
            } else {
339 4
                $result[] = $string;
340
            }
341
        }
342
343 10
        return array_unique($result);
344
    }
345
346
    /**
347
     * The method checks whether the IP address with specified CIDR is allowed according to the {@see $ranges} list.
348
     */
349 69
    public function isAllowed(string $ip): bool
350
    {
351 69
        if (empty($this->ranges)) {
352 31
            return true;
353
        }
354
355 38
        foreach ($this->ranges as $string) {
356 38
            [$isNegated, $range] = $this->parseNegatedRange($string);
357 38
            if (IpHelper::inRange($ip, $range)) {
358 32
                return !$isNegated;
359
            }
360
        }
361
362 6
        return false;
363
    }
364
365 7
    public function getOptions(): array
366
    {
367
        return [
368 7
            'networks' => $this->networks,
369 7
            'allowIpv4' => $this->allowIpv4,
370 7
            'allowIpv6' => $this->allowIpv6,
371 7
            'allowSubnet' => $this->allowSubnet,
372 7
            'requireSubnet' => $this->requireSubnet,
373 7
            'allowNegation' => $this->allowNegation,
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            'incorrectInputMessage' => [
375 7
                'message' => $this->incorrectInputMessage,
376
            ],
377
            'message' => [
378 7
                'message' => $this->message,
379
            ],
380
            'ipv4NotAllowedMessage' => [
381 7
                'message' => $this->ipv4NotAllowedMessage,
382
            ],
383
            'ipv6NotAllowedMessage' => [
384 7
                'message' => $this->ipv6NotAllowedMessage,
385
            ],
386
            'wrongCidrMessage' => [
387 7
                'message' => $this->wrongCidrMessage,
388
            ],
389
            'noSubnetMessage' => [
390 7
                'message' => $this->noSubnetMessage,
391
            ],
392
            'hasSubnetMessage' => [
393 7
                'message' => $this->hasSubnetMessage,
394
            ],
395
            'notInRangeMessage' => [
396 7
                'message' => $this->notInRangeMessage,
397
            ],
398 7
            'ranges' => $this->ranges,
399 7
            'skipOnEmpty' => $this->getSkipOnEmptyOption(),
400 7
            'skipOnError' => $this->skipOnError,
401
        ];
402
    }
403
404 120
    public function getHandlerClassName(): string
405
    {
406 120
        return IpHandler::class;
407
    }
408
}
409