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<h3 id="download-css-styles-for-shaarlis-listed-in-an-opml-file">Download CSS styles for shaarlis listed in an opml file</h3>
<p>Example php script:</p>
<pre><code class="php"><!---- ?php -->
<!---- Copyright (c) 2014 Nicolas Delsaux (https://github.com/Riduidel) -->
<!---- License: zlib (http://www.gzip.org/zlib/zlib_license.html) -->
/**
* Source: https://github.com/Riduidel
* Download css styles for shaarlis listed in an opml file
*/
define("SHAARLI_RSS_OPML", "https://www.ecirtam.net/shaarlirss/custom/people.opml");
define("THEMES_TEMP_FOLDER", "new_themes");
if(!file_exists(THEMES_TEMP_FOLDER)) {
mkdir(THEMES_TEMP_FOLDER);
}
function siteUrl($pathInSite) {
$indexPos = strpos($pathInSite, "index.php");
if(!$indexPos) {
return $pathInSite;
} else {
return substr($pathInSite, 0, $indexPos);
}
}
function createShaarliHashFromOPMLL($opmlFile) {
$result = array();
$opml = file_get_contents($opmlFile);
$opmlXml = simplexml_load_string($opml);
$outlineElements = $opmlXml->xpath("body/outline");
foreach($outlineElements as $site) {
$siteUrl = siteUrl((string) $site['htmlUrl']);
$result[$siteUrl]=((string) $site['text']);
}
return $result;
}
function getSiteFolder($url) {
$domain = parse_url($url, PHP_URL_HOST);
return THEMES_TEMP_FOLDER."/".str_replace(".", "_", $domain);
}
function get_http_response_code($theURL) {
$headers = get_headers($theURL);
return substr($headers[0], 9, 3);
}
/**
* This makes the code PHP-5 only (particularly the call to "get_headers")
*/
function copyUserStyleFrom($url, $name, $knownStyles) {
$userStyle = $url."inc/user.css";
if(in_array($url, $knownStyles)) {
// TODO add log message
} else {
$statusCode = get_http_response_code($userStyle);
if(intval($statusCode)<300) {
$styleSheet = file_get_contents($userStyle);
$siteFolder = getSiteFolder($url);
if(!file_exists($siteFolder)) {
mkdir($siteFolder);
}
if(!file_exists($siteFolder.'/user.css')) {
// Copy stylesheet
file_put_contents($siteFolder.'/user.css', $styleSheet);
}
if(!file_exists($siteFolder.'/README.md')) {
// Then write a readme.md file
file_put_contents($siteFolder.'/README.md',
"User style from ".$name."\n"
."============================="
."\n\n"
."This stylesheet was downloaded from ".$userStyle." on ".date(DATE_RFC822)
);
}
if(!file_exists($siteFolder.'/config.ini')) {
// Write a config file containing useful informations
file_put_contents($siteFolder.'/config.ini',
"site_url=".$url."\n"
."site_name=".$name."\n"
);
}
if(!file_exists($siteFolder.'/home.png')) {
// And finally copy generated thumbnail
$homeThumb = $siteFolder.'/home.png';
file_put_contents($siteFolder.'/home.png', file_get_contents(getThumbnailUrl($url)));
}
echo 'Theme have been downloaded from <a href="'.$url.'">'.$url.'</a> into '.$siteFolder
.'. It looks like <img src="'.$homeThumb.'"><br/>';
}
}
}
function getThumbnailUrl($url) {
return 'http://api.webthumbnail.org/?url='.$url;
}
function copyUserStylesFrom($urlToNames, $knownStyles) {
foreach($urlToNames as $url => $name) {
copyUserStyleFrom($url, $name, $knownStyles);
}
}
/**
* Reading directory list, courtesy of http://www.laughing-buddha.net/php/dirlist/
* @param directory the directory we want to list files of
* @return a simple array containing the list of absolute file paths. Notice that current file (".") and parent one("..")
* are not listed here
*/
function getDirectoryList ($directory) {
$realPath = realpath($directory);
// create an array to hold directory list
$results = array();
// create a handler for the directory
$handler = opendir($directory);
// open directory and walk through the filenames
while ($file = readdir($handler)) {
// if file isn't this directory or its parent, add it to the results
if ($file != "." && $file != "..") {
$results[] = realpath($realPath . "/" . $file);
}
}
// tidy up: close the handler
closedir($handler);
// done!
return $results;
}
/**
* Start in themes folder and look in all subfolders for config.ini files.
* These config.ini files allow us not to download styles again and again
*/
function findKnownStyles() {
$result = array();
$subFolders = getDirectoryList("themes");
foreach($subFolders as $folder) {
$configFile = $folder."/config.ini";
if(file_exists($configFile)) {
$iniParameters = parse_ini_file($configFile);
array_push($result, $iniParameters['site_url']);
}
}
return $result;
}
$knownStyles = findKnownStyles();
copyUserStylesFrom(createShaarliHashFromOPMLL(SHAARLI_RSS_OPML), $knownStyles);
<!--- ? ---->
</code></pre>
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