mirror of
https://github.com/samsonjs/mit-license.git
synced 2026-03-25 09:25:49 +00:00
91 lines
2.7 KiB
PHP
91 lines
2.7 KiB
PHP
<?php
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date_default_timezone_set('Europe/London'); // stop php from whining
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$format = 'html';
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$theme = 'default';
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$user_file = preg_replace('/\.mit-license\..*$/', '', $_SERVER["HTTP_HOST"]);
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// sanitise user (not for DNS, but for file reading, I don't know
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// just in case it's hacked about with or something bananas.
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$user_file = preg_replace('/[^a-z0-9\-]/', '', $user_file);
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$user_file = 'users/'.$user_file.'.json';
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if (file_exists($user_file)) {
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$user = json_decode(file_get_contents($user_file));
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$holder = $user->copyright;
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if (property_exists($user, 'url')) {
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$holder = '<a href="'.$user->url.'">' . $holder . '</a>';
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}
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if (property_exists($user, 'format')) {
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if (strtolower($user->format) == 'txt') {
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$format = 'txt';
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}
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}
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if (property_exists($user, 'theme')) {
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if (file_exists('themes/' . $user->theme . '.css')) {
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$theme = $user->theme;
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}
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}
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} else {
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$holder = "<copyright holders>";
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}
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// grab sha from request uri
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$request_uri = explode('/', $_SERVER["REQUEST_URI"]);
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$request = array_pop($request_uri);
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// in case there's a trailing slash (unlikely)
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if ($request == '') $request = array_pop($request_uri);
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// url file format overrides user preference
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if (stripos($request, 'license') === 0) {
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$format = array_pop(explode('.', strtolower($request))) == 'txt' ? 'txt' : 'html';
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// move down to the next part of the request
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$request = array_pop($request_uri);
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}
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// check if there's a SHA on the url and read this to switch license versions
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$sha = '';
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if ($request != "" && $request != "/" && $request != "/index.php") {
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$sha = preg_replace('/[^a-f0-9]/', '', $request);
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} else if (isset($user) && property_exists($user, 'version')) {
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$sha = preg_replace('/[^a-f0-9]/', '', $user->version);
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}
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// if sha specified, use that revision of licence
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$license = '';
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if ($sha != "") {
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$out = array();
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// preg_replace should save us - but: please help me Obi Wan...
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exec("/usr/local/bin/git show " . $sha . ":LICENSE.html", $out, $r);
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if ($r == 0) {
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$license = implode("\n", $out);
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}
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}
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// if we didn't manage to read one in, use latest
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if ($license == "") {
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$license = file_get_contents('LICENSE.html');
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}
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// replace info tag and display
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$info = date('Y') . ' ' . $holder;
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$license = str_replace('{{info}}', $info, $license);
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$license = str_replace('{{theme}}', $theme, $license);
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// if we want text format, strip out the license from the article tag
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// and then strip any other tags in the license.
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if ($format == 'txt') {
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$license = array_shift(explode('</article>', array_pop(explode('<article>', $license))));
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$license = preg_replace('/<[^>]*>/', '', trim($license));
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$license = html_entity_decode($license);
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header('content-type: text/plain');
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}
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echo $license;
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?>
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