| 148 |
lars |
1 |
<?php
|
| 150 |
lars |
2 |
|
| 148 |
lars |
3 |
namespace Egulias\EmailValidator\Parser;
|
|
|
4 |
|
|
|
5 |
use Egulias\EmailValidator\EmailLexer;
|
|
|
6 |
use Egulias\EmailValidator\Warning\CFWSNearAt;
|
|
|
7 |
use Egulias\EmailValidator\Result\InvalidEmail;
|
|
|
8 |
use Egulias\EmailValidator\Warning\CFWSWithFWS;
|
|
|
9 |
use Egulias\EmailValidator\Result\Reason\CRNoLF;
|
|
|
10 |
use Egulias\EmailValidator\Result\Reason\AtextAfterCFWS;
|
|
|
11 |
use Egulias\EmailValidator\Result\Reason\CRLFAtTheEnd;
|
|
|
12 |
use Egulias\EmailValidator\Result\Reason\CRLFX2;
|
|
|
13 |
use Egulias\EmailValidator\Result\Reason\ExpectingCTEXT;
|
|
|
14 |
use Egulias\EmailValidator\Result\Result;
|
|
|
15 |
use Egulias\EmailValidator\Result\ValidEmail;
|
|
|
16 |
|
|
|
17 |
class FoldingWhiteSpace extends PartParser
|
|
|
18 |
{
|
|
|
19 |
public const FWS_TYPES = [
|
|
|
20 |
EmailLexer::S_SP,
|
|
|
21 |
EmailLexer::S_HTAB,
|
|
|
22 |
EmailLexer::S_CR,
|
|
|
23 |
EmailLexer::S_LF,
|
|
|
24 |
EmailLexer::CRLF
|
|
|
25 |
];
|
|
|
26 |
|
| 150 |
lars |
27 |
public function parse(): Result
|
| 148 |
lars |
28 |
{
|
|
|
29 |
if (!$this->isFWS()) {
|
|
|
30 |
return new ValidEmail();
|
|
|
31 |
}
|
|
|
32 |
|
|
|
33 |
$previous = $this->lexer->getPrevious();
|
|
|
34 |
|
|
|
35 |
$resultCRLF = $this->checkCRLFInFWS();
|
|
|
36 |
if ($resultCRLF->isInvalid()) {
|
|
|
37 |
return $resultCRLF;
|
|
|
38 |
}
|
|
|
39 |
|
| 150 |
lars |
40 |
if ($this->lexer->current->isA(EmailLexer::S_CR)) {
|
|
|
41 |
return new InvalidEmail(new CRNoLF(), $this->lexer->current->value);
|
| 148 |
lars |
42 |
}
|
|
|
43 |
|
| 150 |
lars |
44 |
if ($this->lexer->isNextToken(EmailLexer::GENERIC) && !$previous->isA(EmailLexer::S_AT)) {
|
|
|
45 |
return new InvalidEmail(new AtextAfterCFWS(), $this->lexer->current->value);
|
| 148 |
lars |
46 |
}
|
|
|
47 |
|
| 150 |
lars |
48 |
if ($this->lexer->current->isA(EmailLexer::S_LF) || $this->lexer->current->isA(EmailLexer::C_NUL)) {
|
|
|
49 |
return new InvalidEmail(new ExpectingCTEXT(), $this->lexer->current->value);
|
| 148 |
lars |
50 |
}
|
|
|
51 |
|
| 150 |
lars |
52 |
if ($this->lexer->isNextToken(EmailLexer::S_AT) || $previous->isA(EmailLexer::S_AT)) {
|
| 148 |
lars |
53 |
$this->warnings[CFWSNearAt::CODE] = new CFWSNearAt();
|
|
|
54 |
} else {
|
|
|
55 |
$this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
|
|
|
56 |
}
|
|
|
57 |
|
|
|
58 |
return new ValidEmail();
|
|
|
59 |
}
|
|
|
60 |
|
| 150 |
lars |
61 |
protected function checkCRLFInFWS(): Result
|
| 148 |
lars |
62 |
{
|
| 150 |
lars |
63 |
if (!$this->lexer->current->isA(EmailLexer::CRLF)) {
|
| 148 |
lars |
64 |
return new ValidEmail();
|
|
|
65 |
}
|
|
|
66 |
|
|
|
67 |
if (!$this->lexer->isNextTokenAny(array(EmailLexer::S_SP, EmailLexer::S_HTAB))) {
|
| 150 |
lars |
68 |
return new InvalidEmail(new CRLFX2(), $this->lexer->current->value);
|
| 148 |
lars |
69 |
}
|
|
|
70 |
|
|
|
71 |
//this has no coverage. Condition is repeated from above one
|
|
|
72 |
if (!$this->lexer->isNextTokenAny(array(EmailLexer::S_SP, EmailLexer::S_HTAB))) {
|
| 150 |
lars |
73 |
return new InvalidEmail(new CRLFAtTheEnd(), $this->lexer->current->value);
|
| 148 |
lars |
74 |
}
|
|
|
75 |
|
|
|
76 |
return new ValidEmail();
|
|
|
77 |
}
|
| 150 |
lars |
78 |
|
|
|
79 |
protected function isFWS(): bool
|
| 148 |
lars |
80 |
{
|
|
|
81 |
if ($this->escaped()) {
|
|
|
82 |
return false;
|
|
|
83 |
}
|
|
|
84 |
|
| 150 |
lars |
85 |
return in_array($this->lexer->current->type, self::FWS_TYPES);
|
| 148 |
lars |
86 |
}
|
|
|
87 |
}
|