/**
* Compute the files to be include
*
* @param string $folder folder name to search into (images, css, js, ...)
* @param string $file path to file
* @param boolean $relative path to file is relative to /core folder
* @param boolean $detect_browser detect browser to include specific browser files
* @param boolean $detect_debug detect debug to include compressed files if debug is on
* @return array files to be included
*/
protected static function includeRelativeFiles($folder, $file, $relative, $detect_browser, $detect_debug)
{
// If http is present in filename
if (strpos($file, 'http') === 0) {
$includes = array($file);
} else {
$root = rtrim(App::get('request')->root(true), '/');
// Extract extension and strip the file
$strip = preg_replace('/\\.[^.]*$/', '', $file);
$ext = App::get('filesystem')->extension($file);
// Detect browser and compute potential files
if ($detect_browser) {
$navigator = new \Hubzero\Browser\Detector();
$browser = $navigator->name();
$major = $navigator->major();
$minor = $navigator->minor();
// Try to include files named filename.ext, filename_browser.ext, filename_browser_major.ext, filename_browser_major_minor.ext
// where major and minor are the browser version names
$potential = array($strip, $strip . '_' . $browser, $strip . '_' . $browser . '_' . $major, $strip . '_' . $browser . '_' . $major . '_' . $minor);
} else {
$potential = array($strip);
}
// If relative search in template directory or media directory
if ($relative) {
// Get the template
$template = App::get('template')->template;
// Prepare array of files
$includes = array();
// For each potential files
foreach ($potential as $strip) {
$files = array();
// Detect debug mode
if ($detect_debug && App::get('config')->get('debug')) {
$files[] = $strip . '-uncompressed.' . $ext;
}
$files[] = $strip . '.' . $ext;
// Loop on 1 or 2 files and break on first found
foreach ($files as $file) {
// If the file is in the template folder
if (file_exists(JPATH_THEMES . "/{$template}/{$folder}/{$file}")) {
$includes[] = App::get('request')->base(true) . "/templates/{$template}/{$folder}/{$file}";
break;
} else {
// If the file contains any /: it can be in an media extension subfolder
if (strpos($file, '/')) {
// Divide the file extracting the extension as the first part before /
list($extension, $file) = explode('/', $file, 2);
// If the file yet contains any /: it can be a plugin
if (strpos($file, '/')) {
// Divide the file extracting the element as the first part before /
list($element, $file) = explode('/', $file, 2);
// Try to deal with plugins group in the media folder
if (file_exists(PATH_ROOT . "/core/{$extension}/{$element}/{$folder}/{$file}")) {
$includes[] = $root . "/core/{$extension}/{$element}/{$folder}/{$file}" . '?v=' . filemtime(PATH_ROOT . "/core/{$extension}/{$element}/{$folder}/{$file}");
break;
} elseif (file_exists(PATH_ROOT . "/core/{$extension}/{$folder}/{$element}/{$file}")) {
$includes[] = $root . "/core/{$extension}/{$folder}/{$element}/{$file}" . '?v=' . filemtime(PATH_ROOT . "/core/{$extension}/{$folder}/{$element}/{$file}");
break;
} elseif (file_exists(JPATH_THEMES . "/{$template}/{$folder}/system/{$element}/{$file}")) {
$includes[] = $root . "/templates/{$template}/{$folder}/system/{$element}/{$file}" . '?v=' . filemtime(JPATH_THEMES . "/{$template}/{$folder}/system/{$element}/{$file}");
break;
} elseif (file_exists(PATH_ROOT . "/core/assets/{$folder}/{$element}/{$file}")) {
$includes[] = $root . "/core/assets/{$folder}/{$element}/{$file}" . '?v=' . filemtime(PATH_ROOT . "/core/assets/{$folder}/{$element}/{$file}");
break;
}
} elseif (file_exists(PATH_ROOT . "/core/{$extension}/{$folder}/{$file}")) {
$includes[] = $root . "/core/{$extension}/{$folder}/{$file}" . '?v=' . filemtime(PATH_ROOT . "/core/{$extension}/{$folder}/{$file}");
break;
} elseif (file_exists(JPATH_THEMES . "/{$template}/{$folder}/system/{$file}")) {
$includes[] = $root . "/templates/{$template}/{$folder}/system/{$file}" . '?v=' . filemtime(JPATH_THEMES . "/{$template}/{$folder}/system/{$file}");
break;
} elseif (file_exists(PATH_ROOT . "/core/assets/{$folder}/{$file}")) {
$includes[] = $root . "/core/assets/{$folder}/{$file}" . '?v=' . filemtime(PATH_ROOT . "/core/assets/{$folder}/{$file}");
break;
}
} elseif (file_exists(PATH_ROOT . "/core/assets/{$folder}/{$file}")) {
$includes[] = $root . "/core/assets/{$folder}/{$file}" . '?v=' . filemtime(PATH_ROOT . "/core/assets/{$folder}/{$file}");
break;
}
}
}
}
} else {
$includes = array();
foreach ($potential as $strip) {
// Detect debug mode
if ($detect_debug && App::get('config')->get('debug') && file_exists(PATH_ROOT . "/{$strip}-uncompressed.{$ext}")) {
$includes[] = $root . "/{$strip}-uncompressed.{$ext}";
} elseif (file_exists(PATH_ROOT . "/{$strip}.{$ext}")) {
$includes[] = $root . "/{$strip}.{$ext}";
}
}
}
}
return $includes;
}
/**
* Check if the plugin can render for the provided browser
*
* @return boolean
*/
protected function canRender()
{
$browser = new \Hubzero\Browser\Detector();
if ($allowed = trim($this->params->get('browsers'))) {
$browsers = array();
$allowed = str_replace("\r", '', $allowed);
$allowed = str_replace('\\n', "\n", $allowed);
$allowed = explode("\n", $allowed);
foreach ($allowed as $allow) {
$allow = trim($allow);
if (preg_match('/(.+?),\\s+([^\\s]+)\\s+(\\d+)\\.(\\d+)/i', $allow, $matches)) {
$req = new stdClass();
$req->name = strtolower(trim($matches[2]));
$req->major = intval($matches[3]);
$req->minor = intval($matches[4]);
$req->os = strtolower(trim($matches[1]));
$browsers[] = $req;
}
}
$matched = false;
foreach ($browsers as $minimum) {
if ($minimum->os != '*' && $minimum->os != strtolower($browser->platform())) {
continue;
}
if ($minimum->name != strtolower($browser->name())) {
continue;
}
// If we get to here, we have a matching OS and browser
if ($minimum->major > $browser->major()) {
return false;
}
if ($minimum->major == $browser->major() && $minimum->minor > $browser->minor()) {
return false;
}
$matched = true;
}
if (!$matched) {
return false;
}
}
if ($regexes = trim($this->params->get('regexes'))) {
$regexes = str_replace("\r", '', $regexes);
$regexes = str_replace('\\n', "\n", $regexes);
$regexes = explode("\n", $regexes);
foreach ($regexes as $disallow) {
$disallow = trim($disallow);
if (preg_match("/{$disallow}/i", $browser->agent(), $matches)) {
return false;
}
}
}
return true;
}
