public function testFragment()
{
$this->assertTrue(Uri::isAbsolute('http:foo/bar#abc'));
$this->assertTrue(Uri::isAbsolute('#abc'), 'fragment URL should be considered absolute URI because they msut not be modified at all');
}
/**
* Fix relative URL to absolute URL
*/
private function infoRelativeToAbsolute()
{
// Find out the absolute domain. If specified in HTML source, use it as is.
if (preg_match('|<base[^>]*href="([^"]*)"[^>]*/>|i', $this->content, $match)) {
$absoluteDomain = $match[1];
} else {
$absoluteDomain = $this->newsletter->getBaseUrl() . '/';
}
$urlPatterns = ['hyperlinks' => '/<a [^>]*href="(.*)"/Ui', 'stylesheets' => '/<link [^>]*href="(.*)"/Ui', 'images' => '/ src="(.*)"/Ui', 'background images' => '/ background="(.*)"/Ui'];
foreach ($urlPatterns as $type => $urlPattern) {
preg_match_all($urlPattern, $this->content, $urls);
$replacementCount = 0;
foreach ($urls[1] as $i => $url) {
// If this is already an absolute link, dont replace it
$decodedUrl = html_entity_decode($url);
if (!Uri::isAbsolute($decodedUrl)) {
$replace_url = str_replace($decodedUrl, $absoluteDomain . ltrim($decodedUrl, '/'), $urls[0][$i]);
$this->content = str_replace($urls[0][$i], $replace_url, $this->content);
++$replacementCount;
}
}
if ($replacementCount) {
$this->infos[] = sprintf($this->lang->getLL('validation_mail_converted_relative_url'), $type);
}
}
}
/**
* Returns the content of the newsletter with validation messages. The content
* is also "fixed" automatically when possible.
* @param Newsletter $newsletter
* @param string $language language of the content of the newsletter (the 'L' parameter in TYPO3 URL)
* @return array ('content' => $content, 'errors' => $errors, 'warnings' => $warnings, 'infos' => $infos);
*/
public function validate(Newsletter $newsletter, $language = null)
{
$this->initializeLang();
// We need to catch the exception if domain was not found/configured properly
try {
$url = $newsletter->getContentUrl($language);
} catch (Exception $e) {
return array('content' => '', 'errors' => array($e->getMessage()), 'warnings' => array(), 'infos' => array());
}
$content = $this->getURL($url);
$errors = array();
$warnings = array();
$infos = array(sprintf($this->lang->getLL('validation_content_url'), '<a target="_blank" href="' . $url . '">' . $url . '</a>'));
// Content should be more that just a few characters. Apache error propably occured
if (strlen($content) < 200) {
$errors[] = $this->lang->getLL('validation_mail_too_short');
}
// Content should not contain PHP-Warnings
if (substr($content, 0, 22) == "<br />\n<b>Warning</b>:") {
$errors[] = $this->lang->getLL('validation_mail_contains_php_warnings');
}
// Content should not contain PHP-Warnings
if (substr($content, 0, 26) == "<br />\n<b>Fatal error</b>:") {
$errors[] = $this->lang->getLL('validation_mail_contains_php_errors');
}
// If the page contains a "Pages is being generared" text... this is bad too
if (strpos($content, 'Page is being generated.') && strpos($content, 'If this message does not disappear within')) {
$errors[] = $this->lang->getLL('validation_mail_being_generated');
}
// Find out the absolute domain. If specified in HTML source, use it as is.
if (preg_match('|<base[^>]*href="([^"]*)"[^>]*/>|i', $content, $match)) {
$absoluteDomain = $match[1];
} else {
$absoluteDomain = $newsletter->getBaseUrl() . '/';
}
// Fix relative URL to absolute URL
$urlPatterns = array('hyperlinks' => '/<a [^>]*href="(.*)"/Ui', 'stylesheets' => '/<link [^>]*href="(.*)"/Ui', 'images' => '/ src="(.*)"/Ui', 'background images' => '/ background="(.*)"/Ui');
foreach ($urlPatterns as $type => $urlPattern) {
preg_match_all($urlPattern, $content, $urls);
$replacementCount = 0;
foreach ($urls[1] as $i => $url) {
// If this is already an absolute link, dont replace it
$decodedUrl = html_entity_decode($url);
if (!Uri::isAbsolute($decodedUrl)) {
$replace_url = str_replace($decodedUrl, $absoluteDomain . ltrim($decodedUrl, '/'), $urls[0][$i]);
$content = str_replace($urls[0][$i], $replace_url, $content);
++$replacementCount;
}
}
if ($replacementCount) {
$infos[] = sprintf($this->lang->getLL('validation_mail_converted_relative_url'), $type);
}
}
// Find linked css and convert into a style-tag
preg_match_all('|<link rel="stylesheet" type="text/css" href="([^"]+)"[^>]+>|Ui', $content, $urls);
foreach ($urls[1] as $i => $url) {
$content = str_replace($urls[0][$i], "<!-- fetched URL: {$url} -->\n<style type=\"text/css\">\n<!--\n" . $this->getURL($url) . "\n-->\n</style>", $content);
}
if (count($urls[1])) {
$infos[] = $this->lang->getLL('validation_mail_contains_linked_styles');
}
// We cant very well have attached javascript in a newsmail ... removing
$content = preg_replace('|<script[^>]*type="text/javascript"[^>]*>[^<]*</script>|i', '', $content, -1, $count);
if ($count) {
$warnings[] = $this->lang->getLL('validation_mail_contains_javascript');
}
// Images in CSS
if (preg_match('|background-image: url\\([^\\)]+\\)|', $content) || preg_match('|list-style-image: url\\([^\\)]+\\)|', $content)) {
$errors[] = $this->lang->getLL('validation_mail_contains_css_images');
}
// CSS-classes
if (preg_match('|<[a-z]+ [^>]*class="[^"]+"[^>]*>|', $content)) {
$warnings[] = $this->lang->getLL('validation_mail_contains_css_classes');
}
// Positioning & element sizes in CSS
$forbiddenCssProperties = array('width' => '((min|max)+-)?width', 'height' => '((min|max)+-)?height', 'margin' => 'margin(-(bottom|left|right|top)+)?', 'padding' => 'padding(-(bottom|left|right|top)+)?', 'position' => 'position');
$forbiddenCssPropertiesWarnings = array();
if (preg_match_all('|<[a-z]+[^>]+style="([^"]*)"|', $content, $matches)) {
foreach ($matches[1] as $stylepart) {
foreach ($forbiddenCssProperties as $property => $regex) {
if (preg_match('/(^|[^\\w-])' . $regex . '[^\\w-]/', $stylepart)) {
$forbiddenCssPropertiesWarnings[$property] = $property;
}
}
}
foreach ($forbiddenCssPropertiesWarnings as $property) {
$warnings[] = sprintf($this->lang->getLL('validation_mail_contains_css_some_property'), $property);
}
}
return array('content' => $content, 'errors' => $errors, 'warnings' => $warnings, 'infos' => $infos);
}
/**
* Fetch and returns the content at specified URL
*
* @param string $url
* @return string
*/
public static function getUrl($url)
{
// Specify User-Agent header if we fetch an URL, but not if it's a file on disk
if (Utility\Uri::isAbsolute($url)) {
$headers = [self::getUserAgent()];
} else {
$headers = null;
}
$report = [];
$content = GeneralUtility::getUrl($url, 0, $headers, $report);
// Throw Exception if content could not be fetched so that it is properly caught in Validator
if ($content === false) {
throw new \Exception('Could not fetch "' . $url . '"' . PHP_EOL . 'Error: ' . $report['error'] . PHP_EOL . 'Message: ' . $report['message']);
}
return $content;
}
/**
* Fetch and returns the content at specified URL
* @param string $url
* @return string
*/
public static function getUrl($url)
{
// Specify User-Agent header if we fetch an URL, but not if it's a file on disk
if (Utility\Uri::isAbsolute($url)) {
return \TYPO3\CMS\Core\Utility\GeneralUtility::getURL($url, 0, array(self::getUserAgent()));
} else {
return \TYPO3\CMS\Core\Utility\GeneralUtility::getURL($url);
}
}
