/**
* Shortcode Functionality
*/
function embed_shortcode($atts)
{
$embed = "";
$durl = "";
$default_width = ead_sanitize_dims(get_option('ead_width', '100%'));
$default_height = ead_sanitize_dims(get_option('ead_height', '500px'));
$default_provider = get_option('ead_provider', 'google');
$default_download = get_option('ead_download', 'none');
$show = false;
extract(shortcode_atts(array('url' => '', 'drive' => '', 'width' => $default_width, 'height' => $default_height, 'language' => 'en', 'viewer' => $default_provider, 'download' => $default_download), $atts));
if (isset($atts['provider'])) {
$viewer = $atts['provider'];
}
if (!isset($atts['provider']) and !isset($atts['viewer'])) {
$viewer = 'google';
}
if ($url) {
$filedata = wp_remote_head($url);
$durl = '';
$privatefile = '';
if (ead_allowdownload($viewer)) {
if ($download == 'alluser' or $download == 'all') {
$show = true;
} elseif ($download == 'logged' and is_user_logged_in()) {
$show = true;
}
}
if ($show) {
$filesize = 0;
$url = esc_url($url, array('http', 'https'));
if (!is_wp_error($filedata) && isset($filedata['headers']['content-length'])) {
$filesize = ead_human_filesize($filedata['headers']['content-length']);
} else {
$filesize = 0;
}
$fileHtml = '';
if ($filesize) {
$fileHtml = ' [' . $filesize . ']';
}
$durl = '<p class="embed_download"><a href="' . $url . '" download >' . __('Download', 'ead') . $fileHtml . ' </a></p>';
}
$url = esc_url($url, array('http', 'https'));
$providerList = array('google', 'microsoft');
if (!in_array($viewer, $providerList)) {
$viewer = 'google';
}
switch ($viewer) {
case 'google':
$embedsrc = '//docs.google.com/viewer?url=%1$s&embedded=true&hl=%2$s';
$iframe = sprintf($embedsrc, urlencode($url), esc_attr($language));
break;
case 'microsoft':
$embedsrc = '//view.officeapps.live.com/op/embed.aspx?src=%1$s';
$iframe = sprintf($embedsrc, urlencode($url));
break;
}
$style = 'style="width:%1$s; height:%2$s; border: none;"';
$stylelink = sprintf($style, ead_sanitize_dims($width), ead_sanitize_dims($height));
$iframe = '<iframe src="' . $iframe . '" ' . $stylelink . '></iframe>';
$show = false;
$embed = '<div class="ead-document">' . $iframe . $privatefile . $durl . '</div>';
} else {
$embed = __('No Url Found', 'ead');
}
return $embed;
}
/**
* Validate File url
*
* @since 1.0
* @return string Download link
*/
function ead_validateurl($url)
{
$types = ead_validmimeTypes();
$url = esc_url($url, array('http', 'https'));
$remote = wp_remote_head($url);
$json['status'] = false;
$json['message'] = '';
if (wp_remote_retrieve_response_code($remote) == 200) {
//Gzip Support
$filename = pathinfo($url);
$doctypes = ead_validmimeTypes();
if (ead_validType($url, $doctypes)) {
$json['status'] = true;
$json['message'] = __("Done", 'ead');
$json['file']['url'] = $url;
if (isset($filename)) {
$json['file']['filename'] = $filename['basename'];
} else {
$json['file']['filename'] = __("Document", 'ead');
}
if (!is_wp_error($filedata) && isset($filedata['headers']['content-length'])) {
$json['file']['filesizeHumanReadable'] = ead_human_filesize($remote['headers']['content-length']);
} else {
$json['file']['filesizeHumanReadable'] = 0;
}
} else {
$json['message'] = __("File format is not supported.", 'ead');
$json['status'] = false;
}
} elseif (is_wp_error($remote)) {
$json['message'] = $remote->get_error_message();
$json['status'] = false;
} else {
$json['message'] = __('Sorry, the file URL is not valid.', 'ead');
$json['status'] = false;
}
return $json;
}
