mirror of
https://github.com/the-djmaze/snappymail.git
synced 2024-09-20 15:45:55 +08:00
314 lines
9.8 KiB
PHP
314 lines
9.8 KiB
PHP
<?php
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class AvatarsPlugin extends \RainLoop\Plugins\AbstractPlugin
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{
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const
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NAME = 'Avatars',
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AUTHOR = 'SnappyMail',
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URL = 'https://snappymail.eu/',
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VERSION = '1.5',
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RELEASE = '2022-12-12',
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REQUIRED = '2.23',
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CATEGORY = 'Contacts',
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LICENSE = 'MIT',
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DESCRIPTION = 'Show graphic of sender in message and messages list (supports BIMI, Gravatar and identicon, Contacts is still TODO)';
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public function Init() : void
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{
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$this->addCss('style.css');
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$this->addJs('avatars.js');
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$this->addJsonHook('Avatar', 'DoAvatar');
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$this->addPartHook('Avatar', 'ServiceAvatar');
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$identicon = $this->Config()->Get('plugin', 'identicon', '');
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if ($identicon && \is_file(__DIR__ . "/{$identicon}.js")) {
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$this->addJs("{$identicon}.js");
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}
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// https://github.com/the-djmaze/snappymail/issues/714
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if ($this->Config()->Get('plugin', 'service', true) || !$this->Config()->Get('plugin', 'delay', true)) {
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$this->addHook('json.after-message', 'JsonMessage');
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$this->addHook('json.after-messagelist', 'JsonMessageList');
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}
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}
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public function JsonMessage(array &$aResponse)
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{
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if ($icon = $this->JsonAvatar($aResponse['Result'])) {
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$aResponse['Result']['Avatar'] = $icon;
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}
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}
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public function JsonMessageList(array &$aResponse)
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{
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if (!empty($aResponse['Result']['@Collection'])) {
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foreach ($aResponse['Result']['@Collection'] as &$message) {
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if ($icon = $this->JsonAvatar($message)) {
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$message['Avatar'] = $icon;
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}
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}
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}
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}
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private function JsonAvatar($message) : ?string
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{
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$mFrom = empty($message['From'][0]) ? null : $message['From'][0];
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if ($mFrom instanceof \MailSo\Mime\Email) {
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$mFrom = $mFrom->jsonSerialize();
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}
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if (\is_array($mFrom)) {
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if ('pass' == $mFrom['DkimStatus'] && $this->Config()->Get('plugin', 'service', true)) {
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// 'data:image/png;base64,[a-zA-Z0-9+/=]'
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return static::getServiceIcon($mFrom['Email']);
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}
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if (!$this->Config()->Get('plugin', 'delay', true)
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&& ($this->Config()->Get('plugin', 'gravatar', false)
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|| ($this->Config()->Get('plugin', 'bimi', false) && 'pass' == $mFrom['DkimStatus'])
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|| !$this->Config()->Get('plugin', 'service', true)
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)
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) try {
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// Base64Url
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return \SnappyMail\Crypt::EncryptUrlSafe($mFrom['Email']);
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} catch (\Throwable $e) {
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\SnappyMail\Log::error('Crypt', $e->getMessage());
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}
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}
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return null;
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}
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/**
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* POST method handling
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*/
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public function DoAvatar() : array
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{
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$bBimi = !empty($this->jsonParam('bimi'));
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$sEmail = $this->jsonParam('email');
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$aResult = $this->getAvatar($sEmail, !empty($bBimi));
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if ($aResult) {
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$aResult = [
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'type' => $aResult[0],
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'data' => \base64_encode($aResult[1])
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];
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}
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return $this->jsonResponse(__FUNCTION__, $aResult);
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}
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/**
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* GET /?Avatar/${bimi}/Encrypted(${from.email})
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* Nextcloud Mail uses insecure unencrypted 'index.php/apps/mail/api/avatars/url/local%40example.com'
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*/
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// public function ServiceAvatar(...$aParts)
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public function ServiceAvatar(string $sServiceName, string $sBimi, string $sEmail)
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{
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$sEmail = \SnappyMail\Crypt::DecryptUrlSafe($sEmail);
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if ($sEmail && ($aResult = $this->getAvatar($sEmail, !empty($sBimi)))) {
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\header('Content-Type: '.$aResult[0]);
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echo $aResult[1];
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} else {
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\MailSo\Base\Http::StatusHeader(404);
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}
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exit;
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}
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protected function configMapping() : array
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{
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$group = new \RainLoop\Plugins\PropertyCollection('Lookup');
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$group->exchangeArray([
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\RainLoop\Plugins\Property::NewInstance('delay')->SetLabel('Delay lookup')
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->SetType(\RainLoop\Enumerations\PluginPropertyType::BOOL)
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->SetAllowedInJs(true)
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->SetDefaultValue(true),
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\RainLoop\Plugins\Property::NewInstance('bimi')->SetLabel('BIMI')
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->SetType(\RainLoop\Enumerations\PluginPropertyType::BOOL)
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// ->SetAllowedInJs(true)
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->SetDefaultValue(false)
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->SetDescription('https://bimigroup.org/ (DKIM header must be valid)'),
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\RainLoop\Plugins\Property::NewInstance('gravatar')->SetLabel('Gravatar')
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->SetType(\RainLoop\Enumerations\PluginPropertyType::BOOL)
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// ->SetAllowedInJs(true)
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->SetDefaultValue(false)
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->SetDescription('https://wikipedia.org/wiki/Gravatar'),
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]);
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$aResult = array(
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defined('RainLoop\\Enumerations\\PluginPropertyType::SELECT')
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? \RainLoop\Plugins\Property::NewInstance('identicon')->SetLabel('Identicon')
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->SetType(\RainLoop\Enumerations\PluginPropertyType::SELECT)
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// ->SetAllowedInJs(true)
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->SetDefaultValue([
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['id' => '', 'name' => 'Name characters else silhouette'],
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['id' => 'identicon', 'name' => 'Name characters else squares'],
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['id' => 'jdenticon', 'name' => 'Triangles shape']
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])
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->SetDescription('https://wikipedia.org/wiki/Identicon')
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: \RainLoop\Plugins\Property::NewInstance('identicon')->SetLabel('Identicon')
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->SetType(\RainLoop\Enumerations\PluginPropertyType::SELECTION)
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// ->SetAllowedInJs(true)
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->SetDefaultValue(['','identicon','jdenticon'])
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->SetDescription('empty = default, identicon = squares, jdenticon = Triangles shape')
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,
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\RainLoop\Plugins\Property::NewInstance('service')->SetLabel('Preload valid domain icons')
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->SetType(\RainLoop\Enumerations\PluginPropertyType::BOOL)
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->SetAllowedInJs(true)
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->SetDefaultValue(true)
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->SetDescription('DKIM header must be valid and icon is found in avatars/images/services directory'),
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$group
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);
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/*
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if (\class_exists('OC') && isset(\OC::$server)) {
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$aResult[] = \RainLoop\Plugins\Property::NewInstance('nextcloud')->SetLabel('Lookup Nextcloud Contacts')
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->SetType(\RainLoop\Enumerations\PluginPropertyType::BOOL)
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// ->SetAllowedInJs(true)
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->SetDefaultValue(false);
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}
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*/
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return $aResult;
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}
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// Only allow service icon when DKIM is valid. $bBimi is true when DKIM is valid.
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private static function getServiceIcon(string $sEmail) : ?string
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{
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$sDomain = \explode('@', $sEmail);
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$sDomain = \array_pop($sDomain);
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$aServices = [
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"services/{$sDomain}",
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'services/' . \preg_replace('/^.+\\.([^.]+\\.[^.]+)$/D', '$1', $sDomain),
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'services/' . \preg_replace('/^(.+\\.)?(paypal\\.[a-z][a-z])$/D', 'paypal.com', $sDomain)
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];
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foreach ($aServices as $service) {
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$file = __DIR__ . "/images/{$service}.png";
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if (\file_exists($file)) {
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return 'data:image/png;base64,' . \base64_encode(\file_get_contents($file));
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}
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}
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return null;
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}
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private function getAvatar(string $sEmail, bool $bBimi) : ?array
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{
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if (!\strpos($sEmail, '@')) {
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return null;
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}
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$sAsciiEmail = \mb_strtolower(\MailSo\Base\Utils::IdnToAscii($sEmail, true));
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$sEmailId = \sha1($sAsciiEmail);
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\MailSo\Base\Http::setETag($sEmailId);
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\header('Cache-Control: private');
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// \header('Expires: '.\gmdate('D, j M Y H:i:s', \time() + 86400).' UTC');
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$aResult = null;
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$sFile = \APP_PRIVATE_DATA . 'avatars/' . $sEmailId;
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$aFiles = \glob("{$sFile}.*");
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if ($aFiles) {
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\MailSo\Base\Http::setLastModified(\filemtime($aFiles[0]));
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$aResult = [
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\mime_content_type($aFiles[0]),
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\file_get_contents($aFiles[0])
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];
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return $aResult;
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}
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// TODO: lookup contacts vCard and return PHOTO value
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/*
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if (!$aResult) {
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$oActions = \RainLoop\Api::Actions();
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$oAccount = $oActions->getAccountFromToken();
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if ($oAccount) {
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$oAddressBookProvider = $oActions->AddressBookProvider($oAccount);
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if ($oAddressBookProvider) {
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$oContact = $oAddressBookProvider->GetContactByEmail($sEmail);
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if ($oContact && $oContact->vCard && $oContact->vCard['PHOTO']) {
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$aResult = [
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'text/vcard',
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$oContact->vCard
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];
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}
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}
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}
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}
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*/
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if (!$aResult) {
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$sDomain = \explode('@', $sEmail);
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$sDomain = \array_pop($sDomain);
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$aUrls = [];
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if ($this->Config()->Get('plugin', 'bimi', false)) {
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$BIMI = $bBimi ? \SnappyMail\DNS::BIMI($sDomain) : null;
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if ($BIMI) {
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$aUrls[] = $BIMI;
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// $aResult = ['text/uri-list', $BIMI];
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\SnappyMail\Log::debug('Avatar', "BIMI {$sDomain}: {$BIMI}");
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} else {
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\SnappyMail\Log::notice('Avatar', "BIMI 404 for {$sDomain}");
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}
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}
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if ($this->Config()->Get('plugin', 'gravatar', false)) {
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$aUrls[] = 'http://gravatar.com/avatar/'.\md5(\strtolower($sAsciiEmail)).'?s=80&d=404';
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}
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foreach ($aUrls as $sUrl) {
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if ($aResult = static::getUrl($sUrl)) {
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break;
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}
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}
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}
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if ($aResult) {
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if (!\is_dir(\APP_PRIVATE_DATA . 'avatars')) {
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\mkdir(\APP_PRIVATE_DATA . 'avatars', 0700);
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}
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\file_put_contents(
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$sFile . \SnappyMail\File\MimeType::toExtension($aResult[0]),
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$aResult[1]
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);
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\MailSo\Base\Http::setLastModified(\time());
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}
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// Only allow service icon when DKIM is valid. $bBimi is true when DKIM is valid.
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if ($bBimi && !$aResult) {
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$aServices = [
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"services/{$sDomain}",
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'services/' . \preg_replace('/^.+\\.([^.]+\\.[^.]+)$/D', '$1', $sDomain),
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'services/' . \preg_replace('/^(.+\\.)?(paypal\\.[a-z][a-z])$/D', 'paypal.com', $sDomain)
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];
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foreach ($aServices as $service) {
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$file = __DIR__ . "/images/{$service}.png";
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if (\file_exists($file)) {
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\MailSo\Base\Http::setLastModified(\filemtime($file));
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$aResult = [
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'image/png',
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\file_get_contents($file)
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];
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break;
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}
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}
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}
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return $aResult;
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}
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private static function getUrl(string $sUrl) : ?array
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{
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$oHTTP = \SnappyMail\HTTP\Request::factory(/*'socket' or 'curl'*/);
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$oHTTP->proxy = \RainLoop\Api::Config()->Get('labs', 'curl_proxy', '');
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$oHTTP->proxy_auth = \RainLoop\Api::Config()->Get('labs', 'curl_proxy_auth', '');
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$oHTTP->max_response_kb = 0;
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$oHTTP->timeout = 15; // timeout in seconds.
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$oResponse = $oHTTP->doRequest('GET', $sUrl);
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if ($oResponse) {
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if (200 === $oResponse->status && \str_starts_with($oResponse->getHeader('content-type'), 'image/')) {
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return [
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$oResponse->getHeader('content-type'),
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$oResponse->body
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];
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}
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\SnappyMail\Log::notice('Avatar', "error {$oResponse->status} for {$sUrl}");
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} else {
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\SnappyMail\Log::warning('Avatar', "failed for {$sUrl}");
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}
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return null;
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}
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}
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