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MyShaarli/doc/Download-CSS-styles-from-an-OPML-list.html
ArthurHoaro fdf88d1948 Bump version to v0.8.0 
Signed-off-by: ArthurHoaro <arthur@hoa.ro>
2016-10-12 12:36:59 +02:00

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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
<title>Shaarli – Download CSS styles from an OPML list</title>
<style type="text/css">code{white-space: pre;}</style>
<style type="text/css">
div.sourceCode { overflow-x: auto; }
table.sourceCode, tr.sourceCode, td.lineNumbers, td.sourceCode {
margin: 0; padding: 0; vertical-align: baseline; border: none; }
table.sourceCode { width: 100%; line-height: 100%; }
td.lineNumbers { text-align: right; padding-right: 4px; padding-left: 4px; color: #aaaaaa; border-right: 1px solid #aaaaaa; }
td.sourceCode { padding-left: 5px; }
code > span.kw { color: #007020; font-weight: bold; } /* Keyword */
code > span.dt { color: #902000; } /* DataType */
code > span.dv { color: #40a070; } /* DecVal */
code > span.bn { color: #40a070; } /* BaseN */
code > span.fl { color: #40a070; } /* Float */
code > span.ch { color: #4070a0; } /* Char */
code > span.st { color: #4070a0; } /* String */
code > span.co { color: #60a0b0; font-style: italic; } /* Comment */
code > span.ot { color: #007020; } /* Other */
code > span.al { color: #ff0000; font-weight: bold; } /* Alert */
code > span.fu { color: #06287e; } /* Function */
code > span.er { color: #ff0000; font-weight: bold; } /* Error */
code > span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warning */
code > span.cn { color: #880000; } /* Constant */
code > span.sc { color: #4070a0; } /* SpecialChar */
code > span.vs { color: #4070a0; } /* VerbatimString */
code > span.ss { color: #bb6688; } /* SpecialString */
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code > span.op { color: #666666; } /* Operator */
code > span.bu { } /* BuiltIn */
code > span.ex { } /* Extension */
code > span.pp { color: #bc7a00; } /* Preprocessor */
code > span.at { color: #7d9029; } /* Attribute */
code > span.do { color: #ba2121; font-style: italic; } /* Documentation */
code > span.an { color: #60a0b0; font-weight: bold; font-style: italic; } /* Annotation */
code > span.cv { color: #60a0b0; font-weight: bold; font-style: italic; } /* CommentVar */
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<li><a href="Download-CSS-styles-from-an-OPML-list.html">Download CSS styles from an OPML list</a></li>
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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>
<div class="sourceCode"><pre class="sourceCode php"><code class="sourceCode php">&lt;!---- <span class="ot">?</span>php --&gt;
&lt;!---- 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) --&gt;</span>
&lt;!---- License: zlib <span class="ot">(</span>http:<span class="co">//www.gzip.org/zlib/zlib_license.html) --&gt;</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">&quot;SHAARLI_RSS_OPML&quot;</span><span class="ot">,</span> <span class="st">&quot;https://www.ecirtam.net/shaarlirss/custom/people.opml&quot;</span><span class="ot">);</span>
<span class="fu">define</span><span class="ot">(</span><span class="st">&quot;THEMES_TEMP_FOLDER&quot;</span><span class="ot">,</span> <span class="st">&quot;new_themes&quot;</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">$pathInSite</span><span class="ot">,</span> <span class="st">&quot;index.php&quot;</span><span class="ot">);</span>
<span class="kw">if</span><span class="ot">(</span>!<span class="kw">$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">$opmlXml</span>-&gt;xpath<span class="ot">(</span><span class="st">&quot;body/outline&quot;</span><span class="ot">);</span>
<span class="kw">foreach</span><span class="ot">(</span><span class="kw">$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">$site</span><span class="ot">[</span><span class="st">&#39;htmlUrl&#39;</span><span class="ot">]);[](</span>.html<span class="ot">)</span>
<span class="kw">$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">&#39;text&#39;</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">&quot;/&quot;</span>.<span class="fu">str_replace</span><span class="ot">(</span><span class="st">&quot;.&quot;</span><span class="ot">,</span> <span class="st">&quot;_&quot;</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">$headers</span><span class="ot">[</span><span class="dv">0</span><span class="ot">],</span> <span class="dv">9</span><span class="ot">,</span> <span class="dv">3</span><span class="ot">);[](</span>.html<span class="ot">)</span>
}
<span class="co">/**</span>
<span class="co"> * This makes the code PHP-5 only (particularly the call to &quot;get_headers&quot;)</span>
<span class="co"> */</span>
<span class="kw">function</span> copyUserStyleFrom<span class="ot">(</span><span class="kw">$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">&quot;inc/user.css&quot;</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">$statusCode</span><span class="ot">)</span>&lt;<span class="dv">300</span><span class="ot">)</span> {
<span class="kw">$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">&#39;/user.css&#39;</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">$siteFolder</span>.<span class="st">&#39;/user.css&#39;</span><span class="ot">,</span> <span class="kw">$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">$siteFolder</span>.<span class="st">&#39;/README.md&#39;</span><span class="ot">))</span> {
<span class="co">// Then write a readme.md file</span>
<span class="fu">file_put_contents</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">&#39;/README.md&#39;</span><span class="ot">,</span>
<span class="st">&quot;User style from &quot;</span>.<span class="kw">$name</span>.<span class="st">&quot;</span><span class="kw">\n</span><span class="st">&quot;</span>
.<span class="st">&quot;=============================&quot;</span>
.<span class="st">&quot;</span><span class="kw">\n\n</span><span class="st">&quot;</span>
.<span class="st">&quot;This stylesheet was downloaded from &quot;</span>.<span class="kw">$userStyle</span>.<span class="st">&quot; on &quot;</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">$siteFolder</span>.<span class="st">&#39;/config.ini&#39;</span><span class="ot">))</span> {
<span class="co">// Write a config file containing useful informations</span>
<span class="fu">file_put_contents</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">&#39;/config.ini&#39;</span><span class="ot">,</span>
<span class="st">&quot;site_url=&quot;</span>.<span class="kw">$url</span>.<span class="st">&quot;</span><span class="kw">\n</span><span class="st">&quot;</span>
.<span class="st">&quot;site_name=&quot;</span>.<span class="kw">$name</span>.<span class="st">&quot;</span><span class="kw">\n</span><span class="st">&quot;</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">$siteFolder</span>.<span class="st">&#39;/home.png&#39;</span><span class="ot">))</span> {
<span class="co">// And finally copy generated thumbnail</span>
<span class="kw">$homeThumb</span> = <span class="kw">$siteFolder</span>.<span class="st">&#39;/home.png&#39;</span><span class="ot">;</span>
<span class="fu">file_put_contents</span><span class="ot">(</span><span class="kw">$siteFolder</span>.<span class="st">&#39;/home.png&#39;</span><span class="ot">,</span> <span class="fu">file_get_contents</span><span class="ot">(</span>getThumbnailUrl<span class="ot">(</span><span class="kw">$url</span><span class="ot">)));</span>
}
<span class="fu">echo</span> <span class="st">&#39;Theme have been downloaded from &lt;a href=&quot;&#39;</span>.<span class="kw">$url</span>.<span class="st">&#39;&quot;&gt;&#39;</span>.<span class="kw">$url</span>.<span class="st">&#39;&lt;/a&gt; into &#39;</span>.<span class="kw">$siteFolder</span>
.<span class="st">&#39;. It looks like &lt;img src=&quot;&#39;</span>.<span class="kw">$homeThumb</span>.<span class="st">&#39;&quot;&gt;&lt;br/&gt;&#39;</span><span class="ot">;</span>
}
}
}
<span class="kw">function</span> getThumbnailUrl<span class="ot">(</span><span class="kw">$url</span><span class="ot">)</span> {
<span class="kw">return</span> <span class="st">&#39;http://api.webthumbnail.org/?url=&#39;</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">$url</span> =&gt; <span class="kw">$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">$knownStyles</span><span class="ot">);</span>
}
}
<span class="co">/**</span>
<span class="co"> * Reading directory list, courtesy of http://www.laughing-buddha.net/php/dirlist/</span>
<span class="co"> * </span><span class="an">@param</span><span class="co"> </span><span class="cv">directory</span><span class="co"> the directory we want to list files of</span>
<span class="co"> * </span><span class="an">@return</span><span class="co"> a simple array containing the list of absolute file paths. Notice that current file (&quot;.&quot;) and parent one(&quot;..&quot;)</span>
<span class="co"> * are not listed here</span>
<span class="co"> */</span>
<span class="kw">function</span> getDirectoryList <span class="ot">(</span><span class="kw">$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">$handler</span><span class="ot">))</span> {
<span class="co">// if file isn&#39;t this directory or its parent, add it to the results</span>
<span class="kw">if</span> <span class="ot">(</span><span class="kw">$file</span> != <span class="st">&quot;.&quot;</span> &amp;&amp; <span class="kw">$file</span> != <span class="st">&quot;..&quot;</span><span class="ot">)</span> {
<span class="kw">$results</span><span class="ot">[</span> = <span class="fu">realpath</span><span class="ot">(</span><span class="kw">$realPath</span> . <span class="st">&quot;/&quot;</span> . <span class="kw">$file</span><span class="ot">);](</span>-=-<span class="fu">realpath</span><span class="ot">(</span><span class="kw">$realPath</span>-.-<span class="st">&quot;/&quot;</span>-.-<span class="kw">$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">&quot;themes&quot;</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">&quot;/config.ini&quot;</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">$iniParameters</span><span class="ot">[</span><span class="st">&#39;site_url&#39;</span><span class="ot">]);[](</span>.html<span class="ot">)</span>
}
}
<span class="kw">return</span> <span class="kw">$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>
&lt;!--- <span class="ot">?</span> ----&gt;</code></pre></div>
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