Primo Committ

vendor/egulias/email-validator/src/Validation/DNSCheckValidation.php

@@ -0,0 +1,166 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation;
+
+use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\Exception\InvalidEmail;
+use Egulias\EmailValidator\Exception\LocalOrReservedDomain;
+use Egulias\EmailValidator\Exception\DomainAcceptsNoMail;
+use Egulias\EmailValidator\Warning\NoDNSMXRecord;
+use Egulias\EmailValidator\Exception\NoDNSRecord;
+
+class DNSCheckValidation implements EmailValidation
+{
+    /**
+     * @var array
+     */
+    private $warnings = [];
+
+    /**
+     * @var InvalidEmail|null
+     */
+    private $error;
+
+    /**
+     * @var array
+     */
+    private $mxRecords = [];
+
+
+    public function __construct()
+    {
+        if (!function_exists('idn_to_ascii')) {
+            throw new \LogicException(sprintf('The %s class requires the Intl extension.', __CLASS__));
+        }
+    }
+
+    public function isValid($email, EmailLexer $emailLexer)
+    {
+        // use the input to check DNS if we cannot extract something similar to a domain
+        $host = $email;
+
+        // Arguable pattern to extract the domain. Not aiming to validate the domain nor the email
+        if (false !== $lastAtPos = strrpos($email, '@')) {
+            $host = substr($email, $lastAtPos + 1);
+        }
+
+        // Get the domain parts
+        $hostParts = explode('.', $host);
+
+        // Reserved Top Level DNS Names (https://tools.ietf.org/html/rfc2606#section-2),
+        // mDNS and private DNS Namespaces (https://tools.ietf.org/html/rfc6762#appendix-G)
+        $reservedTopLevelDnsNames = [
+            // Reserved Top Level DNS Names
+            'test',
+            'example',
+            'invalid',
+            'localhost',
+
+            // mDNS
+            'local',
+
+            // Private DNS Namespaces
+            'intranet',
+            'internal',
+            'private',
+            'corp',
+            'home',
+            'lan',
+        ];
+
+        $isLocalDomain = count($hostParts) <= 1;
+        $isReservedTopLevel = in_array($hostParts[(count($hostParts) - 1)], $reservedTopLevelDnsNames, true);
+
+        // Exclude reserved top level DNS names
+        if ($isLocalDomain || $isReservedTopLevel) {
+            $this->error = new LocalOrReservedDomain();
+            return false;
+        }
+
+        return $this->checkDns($host);
+    }
+
+    public function getError()
+    {
+        return $this->error;
+    }
+
+    public function getWarnings()
+    {
+        return $this->warnings;
+    }
+
+    /**
+     * @param string $host
+     *
+     * @return bool
+     */
+    protected function checkDns($host)
+    {
+        $variant = INTL_IDNA_VARIANT_UTS46;
+
+        $host = rtrim(idn_to_ascii($host, IDNA_DEFAULT, $variant), '.') . '.';
+
+        return $this->validateDnsRecords($host);
+    }
+
+
+    /**
+     * Validate the DNS records for given host.
+     *
+     * @param string $host A set of DNS records in the format returned by dns_get_record.
+     *
+     * @return bool True on success.
+     */
+    private function validateDnsRecords($host)
+    {
+        // Get all MX, A and AAAA DNS records for host
+        // Using @ as workaround to fix https://bugs.php.net/bug.php?id=73149
+        $dnsRecords = @dns_get_record($host, DNS_MX + DNS_A + DNS_AAAA);
+
+
+        // No MX, A or AAAA DNS records
+        if (empty($dnsRecords)) {
+            $this->error = new NoDNSRecord();
+            return false;
+        }
+
+        // For each DNS record
+        foreach ($dnsRecords as $dnsRecord) {
+            if (!$this->validateMXRecord($dnsRecord)) {
+                return false;
+            }
+        }
+
+        // No MX records (fallback to A or AAAA records)
+        if (empty($this->mxRecords)) {
+            $this->warnings[NoDNSMXRecord::CODE] = new NoDNSMXRecord();
+        }
+
+        return true;
+    }
+
+    /**
+     * Validate an MX record
+     *
+     * @param array $dnsRecord Given DNS record.
+     *
+     * @return bool True if valid.
+     */
+    private function validateMxRecord($dnsRecord)
+    {
+        if ($dnsRecord['type'] !== 'MX') {
+            return true;
+        }
+
+        // "Null MX" record indicates the domain accepts no mail (https://tools.ietf.org/html/rfc7505)
+        if (empty($dnsRecord['target']) || $dnsRecord['target'] === '.') {
+            $this->error = new DomainAcceptsNoMail();
+            return false;
+        }
+
+        $this->mxRecords[] = $dnsRecord;
+
+        return true;
+    }
+}

vendor/egulias/email-validator/src/Validation/EmailValidation.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation;
+
+use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\Exception\InvalidEmail;
+use Egulias\EmailValidator\Warning\Warning;
+
+interface EmailValidation
+{
+    /**
+     * Returns true if the given email is valid.
+     *
+     * @param string     $email      The email you want to validate.
+     * @param EmailLexer $emailLexer The email lexer.
+     *
+     * @return bool
+     */
+    public function isValid($email, EmailLexer $emailLexer);
+
+    /**
+     * Returns the validation error.
+     *
+     * @return InvalidEmail|null
+     */
+    public function getError();
+
+    /**
+     * Returns the validation warnings.
+     *
+     * @return Warning[]
+     */
+    public function getWarnings();
+}

vendor/egulias/email-validator/src/Validation/Error/RFCWarnings.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation\Error;
+
+use Egulias\EmailValidator\Exception\InvalidEmail;
+
+class RFCWarnings extends InvalidEmail
+{
+    const CODE = 997;
+    const REASON = 'Warnings were found.';
+}

vendor/egulias/email-validator/src/Validation/Error/SpoofEmail.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation\Error;
+
+use Egulias\EmailValidator\Exception\InvalidEmail;
+
+class SpoofEmail extends InvalidEmail
+{
+    const CODE = 998;
+    const REASON = "The email contains mixed UTF8 chars that makes it suspicious";
+}

vendor/egulias/email-validator/src/Validation/Exception/EmptyValidationList.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation\Exception;
+
+use Exception;
+
+class EmptyValidationList extends \InvalidArgumentException
+{
+    /**
+    * @param int $code
+    */
+    public function __construct($code = 0, Exception $previous = null)
+    {
+        parent::__construct("Empty validation list is not allowed", $code, $previous);
+    }
+}

vendor/egulias/email-validator/src/Validation/MultipleErrors.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation;
+
+use Egulias\EmailValidator\Exception\InvalidEmail;
+
+class MultipleErrors extends InvalidEmail
+{
+    const CODE = 999;
+    const REASON = "Accumulated errors for multiple validations";
+    /**
+     * @var InvalidEmail[]
+     */
+    private $errors = [];
+
+    /**
+     * @param InvalidEmail[] $errors
+     */
+    public function __construct(array $errors)
+    {
+        $this->errors = $errors;
+        parent::__construct();
+    }
+
+    /**
+     * @return InvalidEmail[]
+     */
+    public function getErrors()
+    {
+        return $this->errors;
+    }
+}

vendor/egulias/email-validator/src/Validation/MultipleValidationWithAnd.php

@@ -0,0 +1,124 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation;
+
+use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\Validation\Exception\EmptyValidationList;
+
+class MultipleValidationWithAnd implements EmailValidation
+{
+    /**
+     * If one of validations gets failure skips all succeeding validation.
+     * This means MultipleErrors will only contain a single error which first found.
+     */
+    const STOP_ON_ERROR = 0;
+
+    /**
+     * All of validations will be invoked even if one of them got failure.
+     * So MultipleErrors will contain all causes.
+     */
+    const ALLOW_ALL_ERRORS = 1;
+
+    /**
+     * @var EmailValidation[]
+     */
+    private $validations = [];
+
+    /**
+     * @var array
+     */
+    private $warnings = [];
+
+    /**
+     * @var MultipleErrors|null
+     */
+    private $error;
+
+    /**
+     * @var int
+     */
+    private $mode;
+
+    /**
+     * @param EmailValidation[] $validations The validations.
+     * @param int               $mode        The validation mode (one of the constants).
+     */
+    public function __construct(array $validations, $mode = self::ALLOW_ALL_ERRORS)
+    {
+        if (count($validations) == 0) {
+            throw new EmptyValidationList();
+        }
+
+        $this->validations = $validations;
+        $this->mode = $mode;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isValid($email, EmailLexer $emailLexer)
+    {
+        $result = true;
+        $errors = [];
+        foreach ($this->validations as $validation) {
+            $emailLexer->reset();
+            $validationResult = $validation->isValid($email, $emailLexer);
+            $result = $result && $validationResult;
+            $this->warnings = array_merge($this->warnings, $validation->getWarnings());
+            $errors = $this->addNewError($validation->getError(), $errors);
+
+            if ($this->shouldStop($result)) {
+                break;
+            }
+        }
+
+        if (!empty($errors)) {
+            $this->error = new MultipleErrors($errors);
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param \Egulias\EmailValidator\Exception\InvalidEmail|null $possibleError
+     * @param \Egulias\EmailValidator\Exception\InvalidEmail[] $errors
+     *
+     * @return \Egulias\EmailValidator\Exception\InvalidEmail[]
+     */
+    private function addNewError($possibleError, array $errors)
+    {
+        if (null !== $possibleError) {
+            $errors[] = $possibleError;
+        }
+
+        return $errors;
+    }
+
+    /**
+     * @param bool $result
+     *
+     * @return bool
+     */
+    private function shouldStop($result)
+    {
+        return !$result && $this->mode === self::STOP_ON_ERROR;
+    }
+
+    /**
+     * Returns the validation errors.
+     *
+     * @return MultipleErrors|null
+     */
+    public function getError()
+    {
+        return $this->error;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getWarnings()
+    {
+        return $this->warnings;
+    }
+}

vendor/egulias/email-validator/src/Validation/NoRFCWarningsValidation.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation;
+
+use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\Exception\InvalidEmail;
+use Egulias\EmailValidator\Validation\Error\RFCWarnings;
+
+class NoRFCWarningsValidation extends RFCValidation
+{
+    /**
+     * @var InvalidEmail|null
+     */
+    private $error;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isValid($email, EmailLexer $emailLexer)
+    {
+        if (!parent::isValid($email, $emailLexer)) {
+            return false;
+        }
+
+        if (empty($this->getWarnings())) {
+            return true;
+        }
+
+        $this->error = new RFCWarnings();
+
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getError()
+    {
+        return $this->error ?: parent::getError();
+    }
+}

vendor/egulias/email-validator/src/Validation/RFCValidation.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation;
+
+use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\EmailParser;
+use Egulias\EmailValidator\Exception\InvalidEmail;
+
+class RFCValidation implements EmailValidation
+{
+    /**
+     * @var EmailParser|null
+     */
+    private $parser;
+
+    /**
+     * @var array
+     */
+    private $warnings = [];
+
+    /**
+     * @var InvalidEmail|null
+     */
+    private $error;
+
+    public function isValid($email, EmailLexer $emailLexer)
+    {
+        $this->parser = new EmailParser($emailLexer);
+        try {
+            $this->parser->parse((string)$email);
+        } catch (InvalidEmail $invalid) {
+            $this->error = $invalid;
+            return false;
+        }
+
+        $this->warnings = $this->parser->getWarnings();
+        return true;
+    }
+
+    public function getError()
+    {
+        return $this->error;
+    }
+
+    public function getWarnings()
+    {
+        return $this->warnings;
+    }
+}

vendor/egulias/email-validator/src/Validation/SpoofCheckValidation.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation;
+
+use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\Exception\InvalidEmail;
+use Egulias\EmailValidator\Validation\Error\SpoofEmail;
+use \Spoofchecker;
+
+class SpoofCheckValidation implements EmailValidation
+{
+    /**
+     * @var InvalidEmail|null
+     */
+    private $error;
+
+    public function __construct()
+    {
+        if (!extension_loaded('intl')) {
+            throw new \LogicException(sprintf('The %s class requires the Intl extension.', __CLASS__));
+        }
+    }
+
+    /**
+     * @psalm-suppress InvalidArgument
+     */
+    public function isValid($email, EmailLexer $emailLexer)
+    {
+        $checker = new Spoofchecker();
+        $checker->setChecks(Spoofchecker::SINGLE_SCRIPT);
+
+        if ($checker->isSuspicious($email)) {
+            $this->error = new SpoofEmail();
+        }
+
+        return $this->error === null;
+    }
+
+    /**
+     * @return InvalidEmail|null
+     */
+    public function getError()
+    {
+        return $this->error;
+    }
+
+    public function getWarnings()
+    {
+        return [];
+    }
+}