function metaWeblog_getPost($args)
{
global $DB;
global $session;
$out = array();
list($post_id, $username, $password) = $args;
$item = new item();
$item->load(intval($post_id));
$website_id = $item->website;
$website = new website();
$website->load($website_id);
// check auth
if (metaWeblog_userAllowed($username, $password, $website_id)) {
if ($item->embedding == 1) {
$link = nvweb_source_url('structure', $item->category, $session['lang']);
} else {
$link = $item->link($session['lang']);
}
$category = new structure();
$category->load($item->category);
$content = $item->dictionary[$session['lang']]['section-main'];
$content = nvweb_template_fix_download_paths($content);
if (empty($item->date_to_display)) {
$item->date_to_display = $item->date_created;
}
$out = array("postid" => $item->id, "userid" => $item->author, "dateCreated" => new IXR_Date($item->date_to_display), "category" => $item->category, "title" => $item->dictionary[$session['lang']]['title'], "description" => $content, "url" => $link, "permalink" => $link, "mt_keywords" => $item->dictionary[$session['lang']]['tags']);
} else {
$out = new IXR_Error(401, "User not allowed.");
}
return $out;
}
/**
* Apply some template tweaks to improve Navigate CMS theme developing experience like:
*
* <ul>
* <li>Guess absolute paths to images, stylesheets, videos and scripts (even on urls without http, "//")</li>
* <li>Convert <a rel="video"> and <a rel="audio"> to <video> and <audio> tags</li>
* <li>Process <img> tags to generate optimized images</li>
* <li>Add Navigate CMS content default styles</li>
* </ul>
*
* @param $html string Original HTML template content
* @return string HTML template tweaked
*/
function nvweb_template_tweaks($html)
{
global $website;
// apply some tweaks to the generated html code
// tweak 1: try to make absolute all image, css and script paths not starting by http
if (!empty($website->theme)) {
$website_absolute_path = NAVIGATE_URL . '/themes/' . $website->theme;
} else {
$website_absolute_path = $website->absolute_path(false);
}
// stylesheets
$tags = nvweb_tags_extract($html, 'link', NULL, true, 'UTF-8');
foreach ($tags as $tag) {
if (!isset($tag['attributes']['href'])) {
continue;
}
if (substr($tag['attributes']['href'], 0, 7) != 'http://' && substr($tag['attributes']['href'], 0, 8) != 'https://') {
// treat "//" paths (without http or https)
if (substr($tag['attributes']['href'], 0, 2) == '//') {
$src = $website->protocol . substr($tag['attributes']['href'], 2);
} else {
$src = $website_absolute_path . '/' . $tag['attributes']['href'];
}
$tag['new'] = '<link href="' . $src . '" ';
foreach ($tag['attributes'] as $name => $value) {
if ($name != 'href') {
$tag['new'] .= $name . '="' . $value . '" ';
}
}
$tag['new'] .= '/>';
$html = str_replace($tag['full_tag'], $tag['new'], $html);
}
}
// scripts
$tags = nvweb_tags_extract($html, 'script', NULL, true, 'UTF-8');
foreach ($tags as $tag) {
if (!isset($tag['attributes']['src'])) {
continue;
}
if (substr($tag['attributes']['src'], 0, 7) != 'http://' && substr($tag['attributes']['src'], 0, 8) != 'https://') {
if (substr($tag['attributes']['src'], 0, 2) == '//') {
$src = $website->protocol . substr($tag['attributes']['src'], 2);
} else {
$src = $website_absolute_path . '/' . $tag['attributes']['src'];
}
$tag['new'] = '<script src="' . $src . '" ';
foreach ($tag['attributes'] as $name => $value) {
if ($name != 'src') {
$tag['new'] .= $name . '="' . $value . '" ';
}
}
$tag['new'] .= '></script>';
$html = str_replace($tag['full_tag'], $tag['new'], $html);
}
}
// poster attribute (<video>)
$tags = nvweb_tags_extract($html, array('video'), false, true, 'UTF-8');
foreach ($tags as $tag) {
if (!isset($tag['attributes']['poster'])) {
continue;
}
if (substr($tag['attributes']['poster'], 0, 7) != 'http://' && substr($tag['attributes']['poster'], 0, 8) != 'https://') {
if (substr($tag['attributes']['poster'], 0, 2) == '//') {
$src = $website->protocol . substr($tag['attributes']['poster'], 2);
} else {
$src = $website_absolute_path . '/' . $tag['attributes']['poster'];
}
$tag['new'] = '<video poster="' . $src . '" ';
foreach ($tag['attributes'] as $name => $value) {
if ($name != 'poster') {
$tag['new'] .= $name . '="' . $value . '" ';
}
}
$tag['new'] .= '>' . $tag['contents'] . '</video>';
$html = str_replace($tag['full_tag'], $tag['new'], $html);
}
}
// sources (video, audio)
$tags = nvweb_tags_extract($html, array('video', 'audio'), false, true, 'UTF-8');
foreach ($tags as $tag) {
$tag_sources = nvweb_tags_extract($tag['contents'], 'source', true, true, 'UTF-8');
foreach ($tag_sources as $source) {
if (!isset($source['attributes']['src'])) {
continue;
}
if (substr($source['attributes']['src'], 0, 7) != 'http://' && substr($source['attributes']['src'], 0, 8) != 'https://') {
if (substr($source['attributes']['src'], 0, 2) == '//') {
$src = $website->protocol . substr($source['attributes']['src'], 2);
} else {
$src = $website_absolute_path . '/' . $source['attributes']['src'];
}
$source['new'] = '<source src="' . $src . '" ';
foreach ($source['attributes'] as $name => $value) {
if ($name != 'poster') {
$source['new'] .= $name . '="' . $value . '" ';
}
}
$source['new'] .= '>' . $source['contents'] . '</source>';
$html = str_replace($source['full_tag'], $source['new'], $html);
}
}
}
// images
$tags = nvweb_tags_extract($html, 'img', NULL, true, 'UTF-8');
foreach ($tags as $tag) {
if (isset($tag['attributes']['srcset'])) {
$srcset_old = explode(",", $tag['attributes']['srcset']);
$srcset_new = array();
foreach ($srcset_old as $src) {
$src = trim($src);
$src = explode(" ", $src);
if (substr($src[0], 0, 7) != 'http://' && substr($src[0], 0, 8) != 'https://') {
if (substr($src[0], 0, 2) == '//') {
$src[0] = $website->protocol . substr($src[0], 2);
} else {
$src[0] = $website_absolute_path . '/' . $src[0];
}
}
$srcset_new[] = implode(" ", $src);
}
$tag['new'] = '<img ';
foreach ($tag['attributes'] as $name => $value) {
if ($name != 'srcset') {
$tag['new'] .= $name . '="' . $value . '" ';
} else {
$tag['new'] .= 'srcset="' . implode(", ", $srcset_new) . '" ';
}
}
$tag['new'] .= '/>';
$html = str_replace($tag['full_tag'], $tag['new'], $html);
}
if (!isset($tag['attributes']['src'])) {
continue;
}
if (substr($tag['attributes']['src'], 0, 7) != 'http://' && substr($tag['attributes']['src'], 0, 8) != 'https://' && substr($tag['attributes']['src'], 0, 5) != 'data:') {
if (substr($tag['attributes']['src'], 0, 2) == '//') {
$src = $website->protocol . substr($tag['attributes']['src'], 2);
} else {
$src = $website_absolute_path . '/' . $tag['attributes']['src'];
}
$tag['new'] = '<img src="' . $src . '" ';
foreach ($tag['attributes'] as $name => $value) {
if ($name != 'src') {
$tag['new'] .= $name . '="' . $value . '" ';
}
}
$tag['new'] .= '/>';
$html = str_replace($tag['full_tag'], $tag['new'], $html);
}
}
// replace any "navigate_download.php" request for "/object" request
$html = nvweb_template_fix_download_paths($html);
// tweak 2: convert <a rel="video"> to <video> and <a rel="audio"> to <audio> tags
$tags = nvweb_tags_extract($html, 'a', NULL, true, 'UTF-8');
foreach ($tags as $tag) {
if ($tag['attributes']['rel'] == 'video' && $tag['attributes']['navigate'] == 'navigate') {
$preload = 'metadata';
if (!empty($tag['attributes']['preload'])) {
$preload = $tag['attributes']['preload'];
}
$content = array();
$content[] = '<video controls="controls" preload="' . $preload . '">';
$content[] = ' <source src="' . $tag['attributes']['href'] . '" />';
$content[] = ' ' . $tag['full_tag'];
$content[] = '</video>';
$html = str_replace($tag['full_tag'], implode("\n", $content), $html);
}
if ($tag['attributes']['rel'] == 'audio' && $tag['attributes']['navigate'] == 'navigate') {
$preload = 'metadata';
if (!empty($tag['attributes']['preload'])) {
$preload = $tag['attributes']['preload'];
}
$content = array();
$content[] = '<audio controls="controls" preload="' . $preload . '">';
$content[] = ' <source src="' . $tag['attributes']['href'] . '" type="' . $tag['attributes']['type'] . '" />';
$content[] = ' ' . $tag['full_tag'];
$content[] = '</audio>';
$html = str_replace($tag['full_tag'], implode("\n", $content), $html);
}
}
// tweak 3: let navigate generate a resized image/thumbnail if width/height is given in the img tag
$tags = nvweb_tags_extract($html, 'img', NULL, true, 'UTF-8');
foreach ($tags as $tag) {
if (!isset($tag['attributes']['src'])) {
continue;
}
$src = $tag['attributes']['src'];
$tag['new'] = '';
foreach ($tag['attributes'] as $name => $value) {
if ($name != 'src') {
$tag['new'] .= $name . '="' . $value . '" ';
}
// width attribute, the image is retrieved from a dynamic source, the width is not expressed in percentage, the width is not already given in the url parameters
if ($name == 'width' && strpos($src, '?') !== false && strpos($value, "%") === false && strpos($src, "&width=") === false) {
$src .= '&width=' . $value;
}
if ($name == 'height' && strpos($src, '?') !== false && strpos($value, "%") === false && strpos($src, "&height=") === false) {
$src .= '&height=' . $value;
}
}
$tag['new'] = '<img src="' . $src . '" ' . $tag['new'] . '/>';
$html = str_replace($tag['full_tag'], $tag['new'], $html);
}
// tweak 4: add Navigate CMS content default styles
$default_css = file_get_contents(NAVIGATE_PATH . '/css/tools/tinymce.defaults.css');
$default_css = str_replace(array("\n", "\r", "\\s\\s", " "), " ", $default_css);
$default_css = substr($default_css, strpos($default_css, '/* nvweb */') + 11);
$default_css = '<style type="text/css">' . $default_css . '</style>';
$html = str_replace('</title>', "</title>\n\t" . $default_css . "\n", $html);
return $html;
}
