115 lines
3.8 KiB
PHP
115 lines
3.8 KiB
PHP
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<?php
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// Functions
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function dbg($text) {
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//echo "$text\n";
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}
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function checkTag($tag) {
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$tag = strtolower($tag);
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// Check validity
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$re = "/^[_a-z0-9 :]*$/";
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preg_match($re, $tag, $matches);
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if (!$matches)
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die ("Meeeeeow!");
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// Convert for file name
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$tag = substr($tag, 0, 40);
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$tag = str_replace(" ", "__", $tag);
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$tag = str_replace(":", "__", $tag);
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return $tag;
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}
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?>
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<?php
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header('Content-Type: application/rss+xml; charset=UTF-8');
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//if (!isset($_GET['debug']))
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// die("Nyan~~");
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// Configuration here
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$refreshTime = 3600; // Update every hour
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$postLimit = 20; // Max. 100
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$dateFormat = "D, d M Y H:i:s O";
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// Generate some variables
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if ($_GET['server'] == "danbooru")
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$selectedServer = "danbooru";
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else
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$selectedServer = "konachan";
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$tag = $_GET['tag'];
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$santag = checkTag($tag);
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$tempfile = "/tmp/konasub/$selectedServer/$santag.xml";
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$selfUrl = "https://shimatta.de/konasub/?tag=$tag";
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dbg ("Tag: \"$tag\" ($santag, $tempfile)\n");
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mkdir ("/tmp/konasub/$selectedServer");
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// Configure server urls and meta data
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$svr['konachan']['imgBase'] = "http://konachan.com/post/show/";
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$svr['konachan']['url'] = 'http://konachan.com/post.xml?tags=' . urlencode($tag) . "&limit=$postLimit";
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$svr['konachan']['title'] = "Konachan: " . htmlspecialchars($tag);
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$svr['konachan']['description'] = "Images for " . htmlspecialchars($tag);
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$svr['konachan']['link'] = "http://konachan.com/post?tags=" . urlencode($tag);
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$svr['konachan']['re'] = "/<post.* author=\\\"(?'author'[^\\ ]*)\\\".* created_at=\\\"(?'created_at'[^\\ ]*)\\\".* id=\\\"(?'id'[^\\ ]*)\\\".* jpeg_url=\\\"(?'jpeg_url'[^\\ ]*)\\\".* tags=\\\"(?'tags'[^\\\"]*)\\\"" . " .*\\/>/";
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dbg ("File mtime delta: " . (time() - filemtime($tempfile)) . " (of $refreshTime)");
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if ((time() - filemtime($tempfile)) > $refreshTime) {
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$cacheFile = fopen($tempfile, "w");
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dbg (" -> Retrieving file...");
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$data = file_get_contents($svr[$selectedServer]['url']);
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fwrite($cacheFile, $data);
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flush();
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}
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else {
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$cacheFile = fopen($tempfile, "r");
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dbg (" -> Loading cached file...");
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$data = fread($cacheFile,filesize($tempfile));
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}
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fclose($cacheFile);
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dbg("BEGIN XML:\n");
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// RSS Header
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// TODO: Maybe change pubDate to date of latest image
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echo '<?xml version="1.0" encoding="UTF-8" ?>
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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/">
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<channel>
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<title>' . $svr[$selectedServer]['title'] . '</title>
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<description><![CDATA[' . $svr[$selectedServer]['description'] . ']]></description>
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<link>' . $svr[$selectedServer]['link'] . '</link>
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<lastBuildDate>' . date($dateFormat, time()) . ' </lastBuildDate>
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<pubDate>' . date($dateFormat, time()) . '</pubDate>
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<ttl>' . $refreshTime . '</ttl>
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<atom:link href="' . $selfUrl . '" rel="self" type="application/rss+xml" />
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';
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$all = explode("\n", $data);
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// <post.* id=\"(?'id'[^\ ]*)\".* jpeg_url=\"(?'jpeg_url'[^\ ]*)\" .*\/>
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foreach ($all as $line) {
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preg_match($svr[$selectedServer]['re'], $line, $matches);
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if ($matches) {
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dbg ($matches['id'] . ", " . date($dateFormat, intval($matches['created_at'])) . "@" . $matches['jpeg_url'] . "\n");
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dbg (" " . $matches['tags'] . "\n");
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$imageLink = $svr[$selectedServer]['imgBase'] . intval($matches['id']);
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echo '
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<item>
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<title>' . "$matches[id]: $matches[tags]" . '</title>
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<description><![CDATA[<a href="' . $imageLink . '"><img src="' . $matches['jpeg_url']. '" style="width:100%"></a>]]></description>
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<link>' . $imageLink . '</link>
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<guid isPermaLink="true">' . $imageLink . '</guid>
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<pubDate>' . date($dateFormat, intval($matches['created_at'])) . '</pubDate>
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<dc:creator>' . $matches['author'] . '</dc:creator>
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</item>
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';
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}
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}
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echo '
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</channel>
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</rss>
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';
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dbg ("\nEND XML.");
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?>
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