* @copyright 2017, Lukas Reschke * * @author Morris Jobke * @author Lukas Reschke * * @license GNU AGPL version 3 or any later version * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . * */ namespace OC\Mail; use OCP\Defaults; use OCP\IL10N; use OCP\IURLGenerator; use OCP\Mail\IEMailTemplate; /** * Class EMailTemplate * * addBodyText and addBodyButtonGroup automatically opens the body * addFooter, renderHtml, renderText automatically closes the body and the HTML if opened * * @package OC\Mail */ class EMailTemplate implements IEMailTemplate { /** @var Defaults */ protected $themingDefaults; /** @var IURLGenerator */ protected $urlGenerator; /** @var IL10N */ protected $l10n; /** @var string */ protected $htmlBody = ''; /** @var string */ protected $plainBody = ''; /** @var bool indicated if the footer is added */ protected $headerAdded = false; /** @var bool indicated if the body is already opened */ protected $bodyOpened = false; /** @var bool indicated if there is a list open in the body */ protected $bodyListOpened = false; /** @var bool indicated if the footer is added */ protected $footerAdded = false; protected $head = <<
EOF; protected $tail = <<
                                                           
EOF; protected $header = <<
 
EOF; protected $heading = <<

%s

 
EOF; protected $bodyBegin = <<
 
EOF; protected $bodyText = <<

%s
EOF; protected $listBegin = << EOF; protected $listItem = << EOF; protected $listEnd = <<

%s

%s
EOF; protected $buttonGroup = <<  
%s
%s
EOF; protected $button = <<  
%s
EOF; protected $bodyEnd = << EOF; protected $footer = <<  
 

%s
EOF; /** * @param Defaults $themingDefaults * @param IURLGenerator $urlGenerator * @param IL10N $l10n */ public function __construct(Defaults $themingDefaults, IURLGenerator $urlGenerator, IL10N $l10n) { $this->themingDefaults = $themingDefaults; $this->urlGenerator = $urlGenerator; $this->l10n = $l10n; $this->htmlBody .= $this->head; } /** * Adds a header to the email */ public function addHeader() { if ($this->headerAdded) { return; } $this->headerAdded = true; $logoUrl = $this->urlGenerator->getAbsoluteURL($this->themingDefaults->getLogo(false)); $this->htmlBody .= vsprintf($this->header, [$this->themingDefaults->getColorPrimary(), $logoUrl, $this->themingDefaults->getName()]); } /** * Adds a heading to the email * * @param string $title * @param string|bool $plainTitle Title that is used in the plain text email * if empty the $title is used, if false none will be used */ public function addHeading($title, $plainTitle = '') { if ($this->footerAdded) { return; } if ($plainTitle === '') { $plainTitle = $title; } $this->htmlBody .= vsprintf($this->heading, [htmlspecialchars($title)]); if ($plainTitle !== false) { $this->plainBody .= $plainTitle . PHP_EOL . PHP_EOL; } } /** * Open the HTML body when it is not already */ protected function ensureBodyIsOpened() { if ($this->bodyOpened) { return; } $this->htmlBody .= $this->bodyBegin; $this->bodyOpened = true; } /** * Adds a paragraph to the body of the email * * @param string $text * @param string|bool $plainText Text that is used in the plain text email * if empty the $text is used, if false none will be used */ public function addBodyText($text, $plainText = '') { if ($this->footerAdded) { return; } if ($plainText === '') { $plainText = $text; } $this->ensureBodyIsOpened(); $this->htmlBody .= vsprintf($this->bodyText, [htmlspecialchars($text)]); if ($plainText !== false) { $this->plainBody .= $plainText . PHP_EOL . PHP_EOL; } } /** * Adds a list item to the body of the email * * @param string $text * @param string $metaInfo * @param string $icon Absolute path, must be 16*16 pixels * @param string $plainText Text that is used in the plain text email * if empty the $text is used, if false none will be used * @param string $plainMetaInfo Meta info that is used in the plain text email * if empty the $metaInfo is used, if false none will be used * @since 12.0.0 */ public function addBodyListItem($text, $metaInfo = '', $icon = '', $plainText = '', $plainMetaInfo = '') { $this->ensureBodyListOpened(); if ($plainText === '') { $plainText = $text; } if ($plainMetaInfo === '') { $plainMetaInfo = $metaInfo; } $htmlText = htmlspecialchars($text); if ($metaInfo) { $htmlText = '' . htmlspecialchars($metaInfo) . '
' . $htmlText; } if ($icon !== '') { $icon = '•'; } else { $icon = '•'; } $this->htmlBody .= vsprintf($this->listItem, [$icon, $htmlText]); if ($plainText !== false) { $this->plainBody .= ' * ' . $plainText; if ($plainMetaInfo !== false) { $this->plainBody .= ' (' . $plainMetaInfo . ')'; } $this->plainBody .= PHP_EOL; } } protected function ensureBodyListOpened() { if ($this->bodyListOpened) { return; } $this->ensureBodyIsOpened(); $this->bodyListOpened = true; $this->htmlBody .= $this->listBegin; } protected function ensureBodyListClosed() { if (!$this->bodyListOpened) { return; } $this->bodyListOpened = false; $this->htmlBody .= $this->listEnd; } /** * Adds a button group of two buttons to the body of the email * * @param string $textLeft Text of left button * @param string $urlLeft URL of left button * @param string $textRight Text of right button * @param string $urlRight URL of right button * @param string $plainTextLeft Text of left button that is used in the plain text version - if unset the $textLeft is used * @param string $plainTextRight Text of right button that is used in the plain text version - if unset the $textRight is used */ public function addBodyButtonGroup($textLeft, $urlLeft, $textRight, $urlRight, $plainTextLeft = '', $plainTextRight = '') { if ($this->footerAdded) { return; } if ($plainTextLeft === '') { $plainTextLeft = $textLeft; } if ($plainTextRight === '') { $plainTextRight = $textRight; } $this->ensureBodyIsOpened(); $this->ensureBodyListClosed(); $color = $this->themingDefaults->getColorPrimary(); $this->htmlBody .= vsprintf($this->buttonGroup, [$color, $color, $urlLeft, $color, htmlspecialchars($textLeft), $urlRight, htmlspecialchars($textRight)]); $this->plainBody .= $plainTextLeft . ': ' . $urlLeft . PHP_EOL; $this->plainBody .= $plainTextRight . ': ' . $urlRight . PHP_EOL . PHP_EOL; } /** * Adds a button to the body of the email * * @param string $text Text of button * @param string $url URL of button * @param string $plainText Text of button in plain text version * if empty the $text is used, if false none will be used * * @since 12.0.0 */ public function addBodyButton($text, $url, $plainText = '') { if ($this->footerAdded) { return; } $this->ensureBodyIsOpened(); $this->ensureBodyListClosed(); if ($plainText === '') { $plainText = $text; } $color = $this->themingDefaults->getColorPrimary(); $this->htmlBody .= vsprintf($this->button, [$color, $color, $url, $color, htmlspecialchars($text)]); if ($plainText !== false) { $this->plainBody .= $plainText . ': '; } $this->plainBody .= $url . PHP_EOL; } /** * Close the HTML body when it is open */ protected function ensureBodyIsClosed() { if (!$this->bodyOpened) { return; } $this->ensureBodyListClosed(); $this->htmlBody .= $this->bodyEnd; $this->bodyOpened = false; } /** * Adds a logo and a text to the footer.
in the text will be replaced by new lines in the plain text email * * @param string $text If the text is empty the default "Name - Slogan
This is an automatically sent email" will be used */ public function addFooter($text = '') { if($text === '') { $text = $this->themingDefaults->getName() . ' - ' . $this->themingDefaults->getSlogan() . '
' . $this->l10n->t('This is an automatically sent email, please do not reply.'); } if ($this->footerAdded) { return; } $this->footerAdded = true; $this->ensureBodyIsClosed(); $this->htmlBody .= vsprintf($this->footer, [$text]); $this->htmlBody .= $this->tail; $this->plainBody .= PHP_EOL . '-- ' . PHP_EOL; $this->plainBody .= str_replace('
', PHP_EOL, $text); } /** * Returns the rendered HTML email as string * * @return string */ public function renderHtml() { if (!$this->footerAdded) { $this->footerAdded = true; $this->ensureBodyIsClosed(); $this->htmlBody .= $this->tail; } return $this->htmlBody; } /** * Returns the rendered plain text email as string * * @return string */ public function renderText() { if (!$this->footerAdded) { $this->footerAdded = true; $this->ensureBodyIsClosed(); $this->htmlBody .= $this->tail; } return $this->plainBody; } }