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296 <h3 id="download-css-styles-for-shaarlis-listed-in-an-opml-file">Download CSS styles for shaarlis listed in an opml file</h3>
297<p>Example php script:</p>
298<pre><code class="php">&lt;!---- ?php --&gt;
299&lt;!---- Copyright (c) 2014 Nicolas Delsaux (https://github.com/Riduidel) --&gt;
300&lt;!---- License: zlib (http://www.gzip.org/zlib/zlib_license.html) --&gt;
301
302/**
303 * Source: https://github.com/Riduidel
304 * Download css styles for shaarlis listed in an opml file
305 */
306define(&quot;SHAARLI_RSS_OPML&quot;, &quot;https://www.ecirtam.net/shaarlirss/custom/people.opml&quot;);
307
308define(&quot;THEMES_TEMP_FOLDER&quot;, &quot;new_themes&quot;);
309
310if(!file_exists(THEMES_TEMP_FOLDER)) {
311 mkdir(THEMES_TEMP_FOLDER);
312}
313
314function siteUrl($pathInSite) {
315 $indexPos = strpos($pathInSite, &quot;index.php&quot;);
316 if(!$indexPos) {
317 return $pathInSite;
318 } else {
319 return substr($pathInSite, 0, $indexPos);
320 }
321}
322
323function createShaarliHashFromOPMLL($opmlFile) {
324 $result = array();
325 $opml = file_get_contents($opmlFile);
326 $opmlXml = simplexml_load_string($opml);
327 $outlineElements = $opmlXml-&gt;xpath(&quot;body/outline&quot;);
328 foreach($outlineElements as $site) {
329 $siteUrl = siteUrl((string) $site['htmlUrl']);
330 $result[$siteUrl]=((string) $site['text']);
331 }
332 return $result;
333}
334
335function getSiteFolder($url) {
336 $domain = parse_url($url, PHP_URL_HOST);
337 return THEMES_TEMP_FOLDER.&quot;/&quot;.str_replace(&quot;.&quot;, &quot;_&quot;, $domain);
338}
339
340function get_http_response_code($theURL) {
341 $headers = get_headers($theURL);
342 return substr($headers[0], 9, 3);
343}
344
345/**
346 * This makes the code PHP-5 only (particularly the call to &quot;get_headers&quot;)
347 */
348function copyUserStyleFrom($url, $name, $knownStyles) {
349 $userStyle = $url.&quot;inc/user.css&quot;;
350 if(in_array($url, $knownStyles)) {
351 // TODO add log message
352 } else {
353 $statusCode = get_http_response_code($userStyle);
354 if(intval($statusCode)&lt;300) {
355 $styleSheet = file_get_contents($userStyle);
356 $siteFolder = getSiteFolder($url);
357 if(!file_exists($siteFolder)) {
358 mkdir($siteFolder);
359 }
360 if(!file_exists($siteFolder.'/user.css')) {
361 // Copy stylesheet
362 file_put_contents($siteFolder.'/user.css', $styleSheet);
363 }
364 if(!file_exists($siteFolder.'/README.md')) {
365 // Then write a readme.md file
366 file_put_contents($siteFolder.'/README.md',
367 &quot;User style from &quot;.$name.&quot;\n&quot;
368 .&quot;=============================&quot;
369 .&quot;\n\n&quot;
370 .&quot;This stylesheet was downloaded from &quot;.$userStyle.&quot; on &quot;.date(DATE_RFC822)
371 );
372 }
373 if(!file_exists($siteFolder.'/config.ini')) {
374 // Write a config file containing useful informations
375 file_put_contents($siteFolder.'/config.ini',
376 &quot;site_url=&quot;.$url.&quot;\n&quot;
377 .&quot;site_name=&quot;.$name.&quot;\n&quot;
378 );
379 }
380 if(!file_exists($siteFolder.'/home.png')) {
381 // And finally copy generated thumbnail
382 $homeThumb = $siteFolder.'/home.png';
383 file_put_contents($siteFolder.'/home.png', file_get_contents(getThumbnailUrl($url)));
384 }
385 echo 'Theme have been downloaded from &lt;a href=&quot;'.$url.'&quot;&gt;'.$url.'&lt;/a&gt; into '.$siteFolder
386 .'. It looks like &lt;img src=&quot;'.$homeThumb.'&quot;&gt;&lt;br/&gt;';
387 }
388 }
389}
390
391function getThumbnailUrl($url) {
392 return 'http://api.webthumbnail.org/?url='.$url;
393}
394
395function copyUserStylesFrom($urlToNames, $knownStyles) {
396 foreach($urlToNames as $url =&gt; $name) {
397 copyUserStyleFrom($url, $name, $knownStyles);
398 }
399}
400
401/**
402 * Reading directory list, courtesy of http://www.laughing-buddha.net/php/dirlist/
403 * @param directory the directory we want to list files of
404 * @return a simple array containing the list of absolute file paths. Notice that current file (&quot;.&quot;) and parent one(&quot;..&quot;)
405 * are not listed here
406 */
407function getDirectoryList ($directory) {
408 $realPath = realpath($directory);
409 // create an array to hold directory list
410 $results = array();
411 // create a handler for the directory
412 $handler = opendir($directory);
413 // open directory and walk through the filenames
414 while ($file = readdir($handler)) {
415 // if file isn't this directory or its parent, add it to the results
416 if ($file != &quot;.&quot; &amp;&amp; $file != &quot;..&quot;) {
417 $results[] = realpath($realPath . &quot;/&quot; . $file);
418 }
419 }
420 // tidy up: close the handler
421 closedir($handler);
422 // done!
423 return $results;
424}
425
426/**
427 * Start in themes folder and look in all subfolders for config.ini files.
428 * These config.ini files allow us not to download styles again and again
429 */
430function findKnownStyles() {
431 $result = array();
432 $subFolders = getDirectoryList(&quot;themes&quot;);
433 foreach($subFolders as $folder) {
434 $configFile = $folder.&quot;/config.ini&quot;;
435 if(file_exists($configFile)) {
436 $iniParameters = parse_ini_file($configFile);
437 array_push($result, $iniParameters['site_url']);
438 }
439 }
440 return $result;
441}
442
443$knownStyles = findKnownStyles();
444copyUserStylesFrom(createShaarliHashFromOPMLL(SHAARLI_RSS_OPML), $knownStyles);
445
446&lt;!--- ? ----&gt;
447</code></pre>
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