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<h1 id="download-css-styles-from-an-opml-list">Download CSS styles from an OPML list</h1>
<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 class="sourceCode php"><code class="sourceCode php"><!---- <span class="ot">?</span>php -->
<!---- Copyright <span class="ot">(</span>c<span class="ot">)</span> <span class="dv">2014</span> Nicolas Delsaux <span class="ot">(</span>https<span class="ot">:</span><span class="co">//github.com/Riduidel) --></span>
<!---- License: zlib <span class="ot">(</span>http:<span class="co">//www.gzip.org/zlib/zlib_license.html) --></span>
<span class="co">/**</span>
<span class="co"> * Source: https://github.com/Riduidel</span>
<span class="co"> * Download css styles for shaarlis listed in an opml file</span>
<span class="co"> */</span>
<span class="fu">define</span><span class="ot">(</span><span class="st">"SHAARLI_RSS_OPML"</span><span class="ot">,</span> <span class="st">"https://www.ecirtam.net/shaarlirss/custom/people.opml"</span><span class="ot">);</span>
<span class="fu">define</span><span class="ot">(</span><span class="st">"THEMES_TEMP_FOLDER"</span><span class="ot">,</span> <span class="st">"new_themes"</span><span class="ot">);</span>
<span class="kw">if</span><span class="ot">(</span>!<span class="fu">file_exists</span><span class="ot">(</span><span class="kw">THEMES_TEMP_FOLDER</span><span class="ot">))</span> {
<span class="fu">mkdir</span><span class="ot">(</span><span class="kw">THEMES_TEMP_FOLDER</span><span class="ot">);</span>
}
<span class="kw">function</span> siteUrl<span class="ot">(</span><span class="kw">$pathInSite</span><span class="ot">)</span> {
<span class="kw">$indexPos</span> = <span class="fu">strpos</span><span class="ot">(</span><span class="kw">$pathInSite</span><span class="ot">,</span> <span class="st">"index.php"</span><span class="ot">);</span>
<span class="kw">if</span><span class="ot">(</span>!<span class="kw">$indexPos</span><span class="ot">)</span> {
<span class="kw">return</span> <span class="kw">$pathInSite</span><span class="ot">;</span>
} <span class="kw">else</span> {
<span class="kw">return</span> <span class="fu">substr</span><span class="ot">(</span><span class="kw">$pathInSite</span><span class="ot">,</span> <span class="dv">0</span><span class="ot">,</span> <span class="kw">$indexPos</span><span class="ot">);</span>
}
}
<span class="kw">function</span> createShaarliHashFromOPMLL<span class="ot">(</span><span class="kw">$opmlFile</span><span class="ot">)</span> {
<span class="kw">$result</span> = <span class="fu">array</span><span class="ot">();</span>
<span class="kw">$opml</span> = <span class="fu">file_get_contents</span><span class="ot">(</span><span class="kw">$opmlFile</span><span class="ot">);</span>
<span class="kw">$opmlXml</span> = <span class="fu">simplexml_load_string</span><span class="ot">(</span><span class="kw">$opml</span><span class="ot">);</span>
<span class="kw">$outlineElements</span> = <span class="kw">$opmlXml</span>->xpath<span class="ot">(</span><span class="st">"body/outline"</span><span class="ot">);</span>
<span class="kw">foreach</span><span class="ot">(</span><span class="kw">$outlineElements</span> <span class="kw">as</span> <span class="kw">$site</span><span class="ot">)</span> {
<span class="kw">$siteUrl</span> = siteUrl<span class="ot">(</span><span class="dt">(string)</span> <span class="kw">$site</span><span class="ot">[</span><span class="st">'htmlUrl'</span><span class="ot">]);[](</span>.html<span class="ot">)</span>
<span class="kw">$result</span><span class="ot">[</span><span class="kw">$siteUrl</span><span class="ot">]</span>=<span class="ot">(</span><span class="dt">(string)</span> <span class="kw">$site</span><span class="ot">[</span><span class="st">'text'</span><span class="ot">]);[](</span>.html<span class="ot">)</span>
}
<span class="kw">return</span> <span class="kw">$result</span><span class="ot">;</span>
}
<span class="kw">function</span> getSiteFolder<span class="ot">(</span><span class="kw">$url</span><span class="ot">)</span> {
<span class="kw">$domain</span> = <span class="fu">parse_url</span><span class="ot">(</span><span class="kw">$url</span><span class="ot">,</span> <span class="kw">PHP_URL_HOST</span><span class="ot">);</span>
<span class="kw">return</span> <span class="kw">THEMES_TEMP_FOLDER</span>.<span class="st">"/"</span>.<span class="fu">str_replace</span><span class="ot">(</span><span class="st">"."</span><span class="ot">,</span> <span class="st">"_"</span><span class="ot">,</span> <span class="kw">$domain</span><span class="ot">);</span>
}
<span class="kw">function</span> get_http_response_code<span class="ot">(</span><span class="kw">$theURL</span><span class="ot">)</span> {
<span class="kw">$headers</span> = <span class="fu">get_headers</span><span class="ot">(</span><span class="kw">$theURL</span><span class="ot">);</span>
<span class="kw">return</span> <span class="fu">substr</span><span class="ot">(</span><span class="kw">$headers</span><span class="ot">[</span><span class="dv">0</span><span class="ot">],</span> <span class="dv">9</span><span class="ot">,</span> <span class="dv">3</span><span class="ot">);[](</span>.html<span class="ot">)</span>
}
<span class="co">/**</span>
<span class="co"> * This makes the code PHP-5 only (particularly the call to "get_headers")</span>
<span class="co"> */</span>
<span class="kw">function</span> copyUserStyleFrom<span class="ot">(</span><span class="kw">$url</span><span class="ot">,</span> <span class="kw">$name</span><span class="ot">,</span> <span class="kw">$knownStyles</span><span class="ot">)</span> {
<span class="kw">$userStyle</span> = <span class="kw">$url</span>.<span class="st">"inc/user.css"</span><span class="ot">;</span>
<span class="kw">if</span><span class="ot">(</span><span class="fu">in_array</span><span class="ot">(</span><span class="kw">$url</span><span class="ot">,</span> <span class="kw">$knownStyles</span><span class="ot">))</span> {
<span class="co">// TODO add log message</span>
} <span class="kw">else</span> {
<span class="kw">$statusCode</span> = get_http_response_code<span class="ot">(</span><span class="kw">$userStyle</span><span class="ot">);</span>
<span class="kw">if</span><span class="ot">(</span><span class="fu">intval</span><span class="ot">(</span><span class="kw">$statusCode</span><span class="ot">)</span><<span class="dv">300</span><span class="ot">)</span> {
<span class="kw">$styleSheet</span> = <span class="fu">file_get_contents</span><span class="ot">(</span><span class="kw">$userStyle</span><span class="ot">);</span>
<span class="kw">$siteFolder</span> = getSiteFolder<span class="ot">(</span><span class="kw">$url</span><span class="ot">);</span>
<span class="kw">if</span><span class="ot">(</span>!<span class="fu">file_exists</span><span class="ot">(</span><span class="kw">$siteFolder</span><span class="ot">))</span> {
<span class="fu">mkdir</span><span class="ot">(</span><span class="kw">$siteFolder</span><span class="ot">);</span>
}
<span class="kw">if</span><span class="ot">(</span>!<span class="fu">file_exists</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">'/user.css'</span><span class="ot">))</span> {
<span class="co">// Copy stylesheet</span>
<span class="fu">file_put_contents</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">'/user.css'</span><span class="ot">,</span> <span class="kw">$styleSheet</span><span class="ot">);</span>
}
<span class="kw">if</span><span class="ot">(</span>!<span class="fu">file_exists</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">'/README.md'</span><span class="ot">))</span> {
<span class="co">// Then write a readme.md file</span>
<span class="fu">file_put_contents</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">'/README.md'</span><span class="ot">,</span>
<span class="st">"User style from "</span>.<span class="kw">$name</span>.<span class="st">"</span><span class="kw">\n</span><span class="st">"</span>
.<span class="st">"============================="</span>
.<span class="st">"</span><span class="kw">\n\n</span><span class="st">"</span>
.<span class="st">"This stylesheet was downloaded from "</span>.<span class="kw">$userStyle</span>.<span class="st">" on "</span>.<span class="fu">date</span><span class="ot">(</span><span class="kw">DATE_RFC822</span><span class="ot">)</span>
<span class="ot">);</span>
}
<span class="kw">if</span><span class="ot">(</span>!<span class="fu">file_exists</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">'/config.ini'</span><span class="ot">))</span> {
<span class="co">// Write a config file containing useful informations</span>
<span class="fu">file_put_contents</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">'/config.ini'</span><span class="ot">,</span>
<span class="st">"site_url="</span>.<span class="kw">$url</span>.<span class="st">"</span><span class="kw">\n</span><span class="st">"</span>
.<span class="st">"site_name="</span>.<span class="kw">$name</span>.<span class="st">"</span><span class="kw">\n</span><span class="st">"</span>
<span class="ot">);</span>
}
<span class="kw">if</span><span class="ot">(</span>!<span class="fu">file_exists</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">'/home.png'</span><span class="ot">))</span> {
<span class="co">// And finally copy generated thumbnail</span>
<span class="kw">$homeThumb</span> = <span class="kw">$siteFolder</span>.<span class="st">'/home.png'</span><span class="ot">;</span>
<span class="fu">file_put_contents</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">'/home.png'</span><span class="ot">,</span> <span class="fu">file_get_contents</span><span class="ot">(</span>getThumbnailUrl<span class="ot">(</span><span class="kw">$url</span><span class="ot">)));</span>
}
<span class="fu">echo</span> <span class="st">'Theme have been downloaded from <a href="'</span>.<span class="kw">$url</span>.<span class="st">'">'</span>.<span class="kw">$url</span>.<span class="st">'</a> into '</span>.<span class="kw">$siteFolder</span>
.<span class="st">'. It looks like <img src="'</span>.<span class="kw">$homeThumb</span>.<span class="st">'"><br/>'</span><span class="ot">;</span>
}
}
}
<span class="kw">function</span> getThumbnailUrl<span class="ot">(</span><span class="kw">$url</span><span class="ot">)</span> {
<span class="kw">return</span> <span class="st">'http://api.webthumbnail.org/?url='</span>.<span class="kw">$url</span><span class="ot">;</span>
}
<span class="kw">function</span> copyUserStylesFrom<span class="ot">(</span><span class="kw">$urlToNames</span><span class="ot">,</span> <span class="kw">$knownStyles</span><span class="ot">)</span> {
<span class="kw">foreach</span><span class="ot">(</span><span class="kw">$urlToNames</span> <span class="kw">as</span> <span class="kw">$url</span> => <span class="kw">$name</span><span class="ot">)</span> {
copyUserStyleFrom<span class="ot">(</span><span class="kw">$url</span><span class="ot">,</span> <span class="kw">$name</span><span class="ot">,</span> <span class="kw">$knownStyles</span><span class="ot">);</span>
}
}
<span class="co">/**</span>
<span class="co"> * Reading directory list, courtesy of http://www.laughing-buddha.net/php/dirlist/</span>
<span class="co"> * </span><span class="kw">@param</span><span class="co"> </span><span class="kw">directory</span><span class="co"> the directory we want to list files of</span>
<span class="co"> * </span><span class="kw">@return</span><span class="co"> a simple array containing the list of absolute file paths. Notice that current file (".") and parent one("..")</span>
<span class="co"> * are not listed here</span>
<span class="co"> */</span>
<span class="kw">function</span> getDirectoryList <span class="ot">(</span><span class="kw">$directory</span><span class="ot">)</span> {
<span class="kw">$realPath</span> = <span class="fu">realpath</span><span class="ot">(</span><span class="kw">$directory</span><span class="ot">);</span>
<span class="co">// create an array to hold directory list</span>
<span class="kw">$results</span> = <span class="fu">array</span><span class="ot">();</span>
<span class="co">// create a handler for the directory</span>
<span class="kw">$handler</span> = <span class="fu">opendir</span><span class="ot">(</span><span class="kw">$directory</span><span class="ot">);</span>
<span class="co">// open directory and walk through the filenames</span>
<span class="kw">while</span> <span class="ot">(</span><span class="kw">$file</span> = <span class="fu">readdir</span><span class="ot">(</span><span class="kw">$handler</span><span class="ot">))</span> {
<span class="co">// if file isn't this directory or its parent, add it to the results</span>
<span class="kw">if</span> <span class="ot">(</span><span class="kw">$file</span> != <span class="st">"."</span> && <span class="kw">$file</span> != <span class="st">".."</span><span class="ot">)</span> {
<span class="kw">$results</span><span class="ot">[</span> = <span class="fu">realpath</span><span class="ot">(</span><span class="kw">$realPath</span> . <span class="st">"/"</span> . <span class="kw">$file</span><span class="ot">);](</span>-=-<span class="fu">realpath</span><span class="ot">(</span><span class="kw">$realPath</span>-.-<span class="st">"/"</span>-.-<span class="kw">$file</span><span class="ot">);</span>.html<span class="ot">)</span>
}
}
<span class="co">// tidy up: close the handler</span>
<span class="fu">closedir</span><span class="ot">(</span><span class="kw">$handler</span><span class="ot">);</span>
<span class="co">// done!</span>
<span class="kw">return</span> <span class="kw">$results</span><span class="ot">;</span>
}
<span class="co">/**</span>
<span class="co"> * Start in themes folder and look in all subfolders for config.ini files. </span>
<span class="co"> * These config.ini files allow us not to download styles again and again</span>
<span class="co"> */</span>
<span class="kw">function</span> findKnownStyles<span class="ot">()</span> {
<span class="kw">$result</span> = <span class="fu">array</span><span class="ot">();</span>
<span class="kw">$subFolders</span> = getDirectoryList<span class="ot">(</span><span class="st">"themes"</span><span class="ot">);</span>
<span class="kw">foreach</span><span class="ot">(</span><span class="kw">$subFolders</span> <span class="kw">as</span> <span class="kw">$folder</span><span class="ot">)</span> {
<span class="kw">$configFile</span> = <span class="kw">$folder</span>.<span class="st">"/config.ini"</span><span class="ot">;</span>
<span class="kw">if</span><span class="ot">(</span><span class="fu">file_exists</span><span class="ot">(</span><span class="kw">$configFile</span><span class="ot">))</span> {
<span class="kw">$iniParameters</span> = <span class="fu">parse_ini_file</span><span class="ot">(</span><span class="kw">$configFile</span><span class="ot">);</span>
<span class="fu">array_push</span><span class="ot">(</span><span class="kw">$result</span><span class="ot">,</span> <span class="kw">$iniParameters</span><span class="ot">[</span><span class="st">'site_url'</span><span class="ot">]);[](</span>.html<span class="ot">)</span>
}
}
<span class="kw">return</span> <span class="kw">$result</span><span class="ot">;</span>
}
<span class="kw">$knownStyles</span> = findKnownStyles<span class="ot">();</span>
copyUserStylesFrom<span class="ot">(</span>createShaarliHashFromOPMLL<span class="ot">(</span><span class="kw">SHAARLI_RSS_OPML</span><span class="ot">),</span> <span class="kw">$knownStyles</span><span class="ot">);</span>
<!--- <span class="ot">?</span> ----></code></pre>
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