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mirror of https://github.com/processwire/processwire.git synced 2025-08-13 18:24:57 +02:00

Add support for IDN email and UTF-8 local-part emails to InputfieldEmail per processwire/processwire-issues#1680 and PR #259

Co-authored-by: poljpocket <poljpocket@gmail.com>
This commit is contained in:
Ryan Cramer
2023-02-14 11:52:20 -05:00
parent 104c1cddbe
commit 1a633a74ae
2 changed files with 92 additions and 12 deletions

View File

@@ -8,7 +8,7 @@
* For documentation about the fields used in this class, please see:
* /wire/core/Fieldtype.php
*
* ProcessWire 3.x, Copyright 2020 by Ryan Cramer
* ProcessWire 3.x, Copyright 2023 by Ryan Cramer
* https://processwire.com
*
*
@@ -58,8 +58,12 @@ class FieldtypeEmail extends FieldtypeText {
*
*/
public function sanitizeValue(Page $page, Field $field, $value) {
if(strlen($value) > $this->getMaxEmailLength()) return '';
return $this->wire()->sanitizer->email($value);
$sanitizer = $this->wire()->sanitizer;
$max = $this->getMaxEmailLength();
if(strlen($value) > $max && $sanitizer->getTextTools()->strlen($value) > $max) return '';
return $sanitizer->email($value, array(
'allowIDN' => (int) $field->get('allowIDN')
));
}
/**

View File

@@ -3,12 +3,13 @@
/**
* An Inputfield for handling email addresses
*
* ProcessWire 3.x, Copyright 2022 by Ryan Cramer
* ProcessWire 3.x, Copyright 2023 by Ryan Cramer
* https://processwire.com
*
* @property int $confirm Specify 1 to make it include a second input for confirmation
* @property string $confirmLabel label to accompany second input
* @property int maxlength Max length of email address (default=512)
* @property int|bool $allowIDN Allow IDN emails? 1=yes for domain, 2=yes for domain+local part (default=0) 3.0.212+
*
* @method string renderConfirm(array $attrs)
*
@@ -18,7 +19,7 @@ class InputfieldEmail extends InputfieldText {
public static function getModuleInfo() {
return array(
'title' => __('Email', __FILE__), // Module Title
'version' => 101,
'version' => 102,
'summary' => __('E-Mail address in valid format', __FILE__) // Module Summary
);
}
@@ -36,6 +37,7 @@ class InputfieldEmail extends InputfieldText {
$this->set('confirm', 0); // when 1, two inputs will appear and both must match
$this->set('confirmLabel', $this->_('Confirm'));
$this->set('value2', '');
$this->set('allowIDN', 0);
}
/**
@@ -53,6 +55,10 @@ class InputfieldEmail extends InputfieldText {
if($this->confirm && count($this->getErrors())) $this->val('');
$attrs = $this->getAttributes();
if((int) $this->allowIDN > 1) {
// UTF-8 emails are not supported by HTML5 email input type at least in current Chrome
$attrs['type'] = 'text';
}
$out = "<input " . $this->getAttributesString($attrs) . " />";
@@ -90,8 +96,12 @@ class InputfieldEmail extends InputfieldText {
protected function setAttributeValue($value) {
$value = (string) $value;
if(strlen($value)) {
$value = $this->wire()->sanitizer->email($value);
if(!strlen($value)) $this->error($this->_("Please enter a valid e-mail address")); // Error message when email address is invalid
$value = $this->sanitizeEmail($value);
if(!strlen($value)) {
$this->error($this->_('Please enter a valid e-mail address')); // Error message when email address is invalid
}
} else {
$value = '';
}
return $value;
}
@@ -105,20 +115,23 @@ class InputfieldEmail extends InputfieldText {
*/
public function ___processInput(WireInputData $input) {
$sanitizer = $this->wire()->sanitizer;
$textTools = $sanitizer->getTextTools();
$field = $this->hasField;
$fieldtype = $field ? $field->type : $this->hasFieldtype; /** @var FieldtypeEmail $fieldtype */
$page = $this->hasPage;
$errors = array();
$valuePrevious = $this->val();
$name = $this->attr('name');
$idnError = false;
parent::___processInput($input);
$value = $this->val();
$changed = strtolower($value) !== strtolower($valuePrevious);
$changed = $textTools->strtolower($value) !== $textTools->strtolower($valuePrevious);
if($this->confirm) {
$value2 = $this->wire()->sanitizer->email($input["_{$name}_confirm"]);
$value2 = $this->sanitizeEmail($input["_{$name}_confirm"]);
if((strlen($value) || strlen($value2)) && strtolower($value) !== strtolower($value2)) {
$errors[] = $this->_('The emails you entered did not match, please enter again');
}
@@ -132,7 +145,27 @@ class InputfieldEmail extends InputfieldText {
}
}
if($fieldtype && $fieldtype instanceof FieldtypeEmail) {
if($changed && !$this->allowIDN && strpos($value, 'xn-') !== false) {
$idnError = true;
}
if($changed && empty($value) && $this->allowIDN < 2 && $input->$name) {
// value was made empty by sanitization, see if it is because of IDN conversion
$inputValue1 = $textTools->strtolower($input->$name); // value as input
$inputValue2 = $sanitizer->email($inputValue1, array('allowIDN' => 2)); // input value sanitized
if($inputValue1 && $inputValue1 === $inputValue2) $idnError = true;
unset($inputValue1, $inputValue2);
}
if($idnError) {
if($this->allowIDN) {
$errors[] = $this->_('Email with extended characters in the local-part of local-part@domain.com is not enabled');
} else {
$errors[] = $this->_('Internationalized domain name (IDN) emails are not enabled, please use a non-IDN email');
}
}
if($fieldtype instanceof FieldtypeEmail) {
$max = $fieldtype->getMaxEmailLength();
if(strlen($value) > $max) {
$errors[] = sprintf($this->_('Email exceeded max allowed length of %d characters'), $max);
@@ -147,6 +180,20 @@ class InputfieldEmail extends InputfieldText {
return $this;
}
/**
* Sanitize email address
*
* @param string $email
* @return string
*
*/
protected function sanitizeEmail($email) {
$email2 = $this->wire()->sanitizer->email($email, array(
'allowIDN' => (int) $this->allowIDN,
));
return $email2;
}
/**
* Field config
*
@@ -163,8 +210,7 @@ class InputfieldEmail extends InputfieldText {
if($f) $inputfields->remove($f);
}
/** @var InputfieldCheckbox $f */
$f = $this->wire()->modules->get('InputfieldCheckbox');
$f = $inputfields->InputfieldCheckbox;
$f->attr('name', 'confirm');
$f->label = $this->_('Confirm email address?');
$f->description = $this->_('When checked, two email inputs will appear and the user will have to enter their email address twice to confirm it. This helps reduce the possibility of typos.');
@@ -172,6 +218,36 @@ class InputfieldEmail extends InputfieldText {
$f->collapsed = $this->confirm ? Inputfield::collapsedNo : Inputfield::collapsedYes;
if($this->confirm) $f->attr('checked', 'checked');
$inputfields->add($f);
if($this->hasField && $this->hasField->name === 'email') {
// do not allow IDN for ProcessWire's system email field
} else {
$f = $inputfields->InputfieldRadios;
$f->attr('name', 'allowIDN');
$f->label = $this->_('Allow internationalized domain name (IDN) emails?');
$f->description =
$this->_('Please note that not all email systems support sending/receiving emails that contain IDNs and/or UTF-8 characters.') . ' ' .
$this->_('Choose ASCII standard emails for broadest compatibility.');
$f->notes =
$this->_('Use ASCII standard if the email address is used for any kind of authentication or login.') . ' ' .
$this->_('We also recommend ASCII standard emails if you will be sending messages to the email address.');
$f->addOption(0,
$this->_('Use ASCII standard emails') . ' ' .
'`' . $this->_('bob@domain.com') . '` ' .
'[span.detail] ' . $this->_('(recommended)') . ' [/span]'
);
$f->addOption(1,
$this->_('Allow IDN host/domain') . ' ' .
'`' . $this->_('bob@dømain.com') . '`'
);
$f->addOption(2,
$this->_('Allow UTF-8 local-part and IDN host/domain') . ' ' .
'`' . $this->_('bøb@dømain.com') . '`'
);
$f->val($this->allowIDN);
$f->collapsed = !$this->allowIDN;
$inputfields->add($f);
}
return $inputfields;
}