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authorVirtualTam <virtualtam@flibidi.net>2015-08-04 16:07:13 +0200
committerVirtualTam <virtualtam@flibidi.net>2015-08-04 16:07:13 +0200
commit27cf2e671d1f35bd8c9383d008cd3733fc1c6e0d (patch)
tree4726baf18e7057eac3f9b6bdb5991fe6117814fc /doc/Download-CSS-styles-from-an-OPML-list.md
parent96db105e4c0833324f7168edb5673278de8ccd54 (diff)
parent992af0b9d77cb4fbac2c37ef8d5896042d67a2a3 (diff)
downloadShaarli-27cf2e671d1f35bd8c9383d008cd3733fc1c6e0d.tar.gz
Shaarli-27cf2e671d1f35bd8c9383d008cd3733fc1c6e0d.tar.zst
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Merge pull request #294 from virtualtam/doc/update
Doc: sync from Wiki, generate HTML
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1#Download CSS styles from an OPML list
2###Download CSS styles for shaarlis listed in an opml file
3Example php script:
4
5```php
6<!---- ?php -->
7<!---- Copyright (c) 2014 Nicolas Delsaux (https://github.com/Riduidel) -->
8<!---- License: zlib (http://www.gzip.org/zlib/zlib_license.html) -->
9
10/**
11 * Source: https://github.com/Riduidel
12 * Download css styles for shaarlis listed in an opml file
13 */
14define("SHAARLI_RSS_OPML", "https://www.ecirtam.net/shaarlirss/custom/people.opml");
15
16define("THEMES_TEMP_FOLDER", "new_themes");
17
18if(!file_exists(THEMES_TEMP_FOLDER)) {
19 mkdir(THEMES_TEMP_FOLDER);
20}
21
22function siteUrl($pathInSite) {
23 $indexPos = strpos($pathInSite, "index.php");
24 if(!$indexPos) {
25 return $pathInSite;
26 } else {
27 return substr($pathInSite, 0, $indexPos);
28 }
29}
30
31function createShaarliHashFromOPMLL($opmlFile) {
32 $result = array();
33 $opml = file_get_contents($opmlFile);
34 $opmlXml = simplexml_load_string($opml);
35 $outlineElements = $opmlXml->xpath("body/outline");
36 foreach($outlineElements as $site) {
37 $siteUrl = siteUrl((string) $site['htmlUrl']);[](.html)
38 $result[$siteUrl]=((string) $site['text']);[](.html)
39 }
40 return $result;
41}
42
43function getSiteFolder($url) {
44 $domain = parse_url($url, PHP_URL_HOST);
45 return THEMES_TEMP_FOLDER."/".str_replace(".", "_", $domain);
46}
47
48function get_http_response_code($theURL) {
49 $headers = get_headers($theURL);
50 return substr($headers[0], 9, 3);[](.html)
51}
52
53/**
54 * This makes the code PHP-5 only (particularly the call to "get_headers")
55 */
56function copyUserStyleFrom($url, $name, $knownStyles) {
57 $userStyle = $url."inc/user.css";
58 if(in_array($url, $knownStyles)) {
59 // TODO add log message
60 } else {
61 $statusCode = get_http_response_code($userStyle);
62 if(intval($statusCode)<300) {
63 $styleSheet = file_get_contents($userStyle);
64 $siteFolder = getSiteFolder($url);
65 if(!file_exists($siteFolder)) {
66 mkdir($siteFolder);
67 }
68 if(!file_exists($siteFolder.'/user.css')) {
69 // Copy stylesheet
70 file_put_contents($siteFolder.'/user.css', $styleSheet);
71 }
72 if(!file_exists($siteFolder.'/README.md')) {
73 // Then write a readme.md file
74 file_put_contents($siteFolder.'/README.md',
75 "User style from ".$name."\n"
76 ."============================="
77 ."\n\n"
78 ."This stylesheet was downloaded from ".$userStyle." on ".date(DATE_RFC822)
79 );
80 }
81 if(!file_exists($siteFolder.'/config.ini')) {
82 // Write a config file containing useful informations
83 file_put_contents($siteFolder.'/config.ini',
84 "site_url=".$url."\n"
85 ."site_name=".$name."\n"
86 );
87 }
88 if(!file_exists($siteFolder.'/home.png')) {
89 // And finally copy generated thumbnail
90 $homeThumb = $siteFolder.'/home.png';
91 file_put_contents($siteFolder.'/home.png', file_get_contents(getThumbnailUrl($url)));
92 }
93 echo 'Theme have been downloaded from <a href="'.$url.'">'.$url.'</a> into '.$siteFolder
94 .'. It looks like <img src="'.$homeThumb.'"><br/>';
95 }
96 }
97}
98
99function getThumbnailUrl($url) {
100 return 'http://api.webthumbnail.org/?url='.$url;
101}
102
103function copyUserStylesFrom($urlToNames, $knownStyles) {
104 foreach($urlToNames as $url => $name) {
105 copyUserStyleFrom($url, $name, $knownStyles);
106 }
107}
108
109/**
110 * Reading directory list, courtesy of http://www.laughing-buddha.net/php/dirlist/
111 * @param directory the directory we want to list files of
112 * @return a simple array containing the list of absolute file paths. Notice that current file (".") and parent one("..")
113 * are not listed here
114 */
115function getDirectoryList ($directory) {
116 $realPath = realpath($directory);
117 // create an array to hold directory list
118 $results = array();
119 // create a handler for the directory
120 $handler = opendir($directory);
121 // open directory and walk through the filenames
122 while ($file = readdir($handler)) {
123 // if file isn't this directory or its parent, add it to the results
124 if ($file != "." && $file != "..") {
125 $results[ = realpath($realPath . "/" . $file);](-=-realpath($realPath-.-"/"-.-$file);.html)
126 }
127 }
128 // tidy up: close the handler
129 closedir($handler);
130 // done!
131 return $results;
132}
133
134/**
135 * Start in themes folder and look in all subfolders for config.ini files.
136 * These config.ini files allow us not to download styles again and again
137 */
138function findKnownStyles() {
139 $result = array();
140 $subFolders = getDirectoryList("themes");
141 foreach($subFolders as $folder) {
142 $configFile = $folder."/config.ini";
143 if(file_exists($configFile)) {
144 $iniParameters = parse_ini_file($configFile);
145 array_push($result, $iniParameters['site_url']);[](.html)
146 }
147 }
148 return $result;
149}
150
151$knownStyles = findKnownStyles();
152copyUserStylesFrom(createShaarliHashFromOPMLL(SHAARLI_RSS_OPML), $knownStyles);
153
154<!--- ? ---->
155```