Version 1

[yaffs-website] / vendor / egulias / email-validator / src / Egulias / EmailValidator / Parser / Parser.php

diff --git a/vendor/egulias/email-validator/src/Egulias/EmailValidator/Parser/Parser.php b/vendor/egulias/email-validator/src/Egulias/EmailValidator/Parser/Parser.php
new file mode 100644 (file)
index 0000000..8a72cd1
--- /dev/null
+++ b/vendor/egulias/email-validator/src/Egulias/EmailValidator/Parser/Parser.php
@@ -0,0 +1,197 @@
+<?php
+
+namespace Egulias\EmailValidator\Parser;
+
+use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\EmailValidator;
+
+abstract class Parser
+{
+    protected $warnings = array();
+    protected $lexer;
+    protected $openedParenthesis = 0;
+
+    public function __construct(EmailLexer $lexer)
+    {
+        $this->lexer = $lexer;
+    }
+
+    public function getWarnings()
+    {
+        return $this->warnings;
+    }
+
+    abstract public function parse($str);
+
+    /** @return int */
+    public function getOpenedParenthesis()
+    {
+        return $this->openedParenthesis;
+    }
+
+    /**
+     * validateQuotedPair
+     */
+    protected function validateQuotedPair()
+    {
+        if (!($this->lexer->token['type'] === EmailLexer::INVALID
+            || $this->lexer->token['type'] === EmailLexer::C_DEL)) {
+            throw new \InvalidArgumentException('ERR_EXPECTING_QPAIR');
+        }
+
+        $this->warnings[] = EmailValidator::DEPREC_QP;
+    }
+
+    protected function parseComments()
+    {
+        $this->openedParenthesis = 1;
+        $this->isUnclosedComment();
+        $this->warnings[] = EmailValidator::CFWS_COMMENT;
+        while (!$this->lexer->isNextToken(EmailLexer::S_CLOSEPARENTHESIS)) {
+            if ($this->lexer->isNextToken(EmailLexer::S_OPENPARENTHESIS)) {
+                $this->openedParenthesis++;
+            }
+            $this->warnEscaping();
+            $this->lexer->moveNext();
+        }
+
+        $this->lexer->moveNext();
+        if ($this->lexer->isNextTokenAny(array(EmailLexer::GENERIC, EmailLexer::S_EMPTY))) {
+            throw new \InvalidArgumentException('ERR_EXPECTING_ATEXT');
+        }
+
+        if ($this->lexer->isNextToken(EmailLexer::S_AT)) {
+            $this->warnings[] = EmailValidator::DEPREC_CFWS_NEAR_AT;
+        }
+    }
+
+    protected function isUnclosedComment()
+    {
+        try {
+            $this->lexer->find(EmailLexer::S_CLOSEPARENTHESIS);
+            return true;
+        } catch (\RuntimeException $e) {
+            throw new \InvalidArgumentException('ERR_UNCLOSEDCOMMENT');
+        }
+    }
+
+    protected function parseFWS()
+    {
+        $previous = $this->lexer->getPrevious();
+
+        $this->checkCRLFInFWS();
+
+        if ($this->lexer->token['type'] === EmailLexer::S_CR) {
+            throw new \InvalidArgumentException('ERR_CR_NO_LF');
+        }
+
+        if ($this->lexer->isNextToken(EmailLexer::GENERIC) && $previous['type']  !== EmailLexer::S_AT) {
+            throw new \InvalidArgumentException('ERR_ATEXT_AFTER_CFWS');
+        }
+
+        if ($this->lexer->token['type'] === EmailLexer::S_LF || $this->lexer->token['type'] === EmailLexer::C_NUL) {
+            throw new \InvalidArgumentException('ERR_EXPECTING_CTEXT');
+        }
+
+        if ($this->lexer->isNextToken(EmailLexer::S_AT) || $previous['type']  === EmailLexer::S_AT) {
+            $this->warnings[] = EmailValidator::DEPREC_CFWS_NEAR_AT;
+        } else {
+            $this->warnings[] = EmailValidator::CFWS_FWS;
+        }
+    }
+
+    protected function checkConsecutiveDots()
+    {
+        if ($this->lexer->token['type'] === EmailLexer::S_DOT && $this->lexer->isNextToken(EmailLexer::S_DOT)) {
+            throw new \InvalidArgumentException('ERR_CONSECUTIVEDOTS');
+        }
+    }
+
+    protected function isFWS()
+    {
+        if ($this->escaped()) {
+            return false;
+        }
+
+        if ($this->lexer->token['type'] === EmailLexer::S_SP ||
+            $this->lexer->token['type'] === EmailLexer::S_HTAB ||
+            $this->lexer->token['type'] === EmailLexer::S_CR ||
+            $this->lexer->token['type'] === EmailLexer::S_LF ||
+            $this->lexer->token['type'] === EmailLexer::CRLF
+        ) {
+            return true;
+        }
+
+        return false;
+    }
+
+    protected function escaped()
+    {
+        $previous = $this->lexer->getPrevious();
+
+        if ($previous['type'] === EmailLexer::S_BACKSLASH
+            &&
+            $this->lexer->token['type'] !== EmailLexer::GENERIC
+        ) {
+            return true;
+        }
+
+        return false;
+    }
+
+    protected function warnEscaping()
+    {
+        if ($this->lexer->token['type'] !== EmailLexer::S_BACKSLASH) {
+            return false;
+        }
+
+        if ($this->lexer->isNextToken(EmailLexer::GENERIC)) {
+            throw new \InvalidArgumentException('ERR_EXPECTING_ATEXT');
+        }
+
+        if (!$this->lexer->isNextTokenAny(array(EmailLexer::S_SP, EmailLexer::S_HTAB, EmailLexer::C_DEL))) {
+            return false;
+        }
+
+        $this->warnings[] = EmailValidator::DEPREC_QP;
+        return true;
+
+    }
+
+    protected function checkDQUOTE($hasClosingQuote)
+    {
+        if ($this->lexer->token['type'] !== EmailLexer::S_DQUOTE) {
+            return $hasClosingQuote;
+        }
+        if ($hasClosingQuote) {
+            return $hasClosingQuote;
+        }
+        $previous = $this->lexer->getPrevious();
+        if ($previous['type'] === EmailLexer::GENERIC && $this->lexer->isNextToken(EmailLexer::GENERIC)) {
+            throw new \InvalidArgumentException('ERR_EXPECTING_ATEXT');
+        }
+
+        $this->warnings[] = EmailValidator::RFC5321_QUOTEDSTRING;
+        try {
+            $this->lexer->find(EmailLexer::S_DQUOTE);
+            $hasClosingQuote = true;
+        } catch (\Exception $e) {
+            throw new \InvalidArgumentException('ERR_UNCLOSEDQUOTEDSTR');
+        }
+
+        return $hasClosingQuote;
+    }
+
+    protected function checkCRLFInFWS()
+    {
+        if ($this->lexer->token['type'] !== EmailLexer::CRLF) {
+            return;
+        }
+        if ($this->lexer->isNextToken(EmailLexer::CRLF)) {
+            throw new \InvalidArgumentException('ERR_FWS_CRLF_X2');
+        }
+        if (!$this->lexer->isNextTokenAny(array(EmailLexer::S_SP, EmailLexer::S_HTAB))) {
+            throw new \InvalidArgumentException('ERR_FWS_CRLF_END');
+        }
+    }
+}