organic: Add external LKV api

www/organic/external/lkv/operators.php

@@ -0,0 +1,33 @@
+<?php
+
+header('Access-Control-Allow-Origin: *');
+
+if ($_SERVER['REQUEST_METHOD'] !== 'GET' && $_SERVER['REQUEST_METHOD'] !== 'HEAD') {
+    header('Status: 405');
+    header('Content-Length: 0');
+    header('Allow: GET, HEAD');
+    exit;
+}
+
+function jenc($data): string {
+    return json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+}
+
+$info = $_SERVER['PATH_INFO'];
+if ($info !== '') {
+    header('Status: 404');
+    header('Content-Length: 0');
+    exit;
+}
+
+header('Content-Type: application/json; charset=UTF-8');
+
+echo "{\"data\":[\n";
+passthru(<<<EOF
+curl -s 'https://lkv.at/at/zertifizierung/themen/BIO/zertifizierte-BIO-Betriebe.php' | grep '<tr' -A 3 \
+| sed 's@<tr>@  {@;s@</tr>@  },@;s@<td><a .*href="\([^"]*\)".*>\(.*\)</a></td>@    "certUrl":"\\1","certNr":"\\2",@;s@<td>\(.*\)<br/>\(.*\)<br/>\([0-9]*\) \(.*\)</td>@    "name":"\\1","address":"\\2","postalCode":"\\3","city":"\\4"@;s@<td>\(.*\)<br/>\(.*\)</td>@    "name":"\\1","type":"\\2"@;\$s/.$//' \
+| sed 's@"certUrl":"\(/[^"]*\)"@"certUrl":"https://lkv.at\\1"@' \
+| sed 's@\s*",@",@g;s@:"\s*@:"@g'
+EOF);
+
+echo "]}\n";