Add /organic API

www/organic/index.php

@@ -0,0 +1,74 @@
+<?php
+
+if ($_SERVER['REQUEST_METHOD'] !== 'GET' && $_SERVER['REQUEST_METHOD'] !== 'HEAD') {
+    header('Status: 405');
+    header('Content-Length: 0');
+    header('Allow: GET, HEAD');
+    exit;
+}
+
+$info = $_SERVER['PATH_INFO'];
+if ($info !== '/' && str_ends_with($info, '/')) {
+    header('Status: 303');
+    header('Content-Length: 0');
+    header('Location: /organic/' . substr($info, 0, -1));
+    exit;
+}
+
+$parts = explode('/', $info);
+if (str_starts_with($info, '/certificates/')) {
+    $id = $parts[2];
+    if (str_ends_with($id, '.txt')) {
+        $id = substr($id, 0, -4);
+    }
+    if (str_contains($id, '/') || !file_exists("certificates/$id.pdf")) {
+        header('Content-Length: 0');
+        header('Status: 404');
+        exit;
+    }
+    if (str_ends_with($parts[2], '.txt')) {
+        $mode = '-layout';
+        if (isset($_GET['raw']) && strtolower($_GET['raw']) === 'true') {
+            $mode = '-raw';
+        }
+        header('Content-Type: text/plain; charset=UTF-8');
+        system("pdftotext $mode 'certificates/$id.pdf' -");
+        exit;
+    }
+
+    if (str_ends_with($id, '.appendix')) {
+        header('Status: 303');
+        header('Location: ' . substr($id, 0, -9));;
+        exit;
+    }
+
+    $cert = shell_exec("pdftotext -raw 'certificates/$id.pdf' -");
+    $appendix = shell_exec("pdftotext -raw 'certificates/$id.appendix.pdf' -");
+
+    $p1 = strpos($cert, "\nI.3 ");
+    $p2 = strpos($cert, "\nI.4 ");
+    echo substr($cert, $p1 + 5, $p2 - $p1 - 5);
+
+    exit;
+} else if ($info === '/authorities') {
+    header('Content-Length: 0');
+    header('Status: 501');
+    exit;
+} else if (str_starts_with($info, '/authorities/')) {
+    $code = $parts[2];
+    header('Content-Type: text/plain; charset=UTF-8');
+    echo "Control Authority Code: $code\n";
+    exit;
+} else if ($info === '/operators') {
+    header('Status: 501');
+
+    exit;
+} else if (str_starts_with($info, '/operators/')) {
+    $ooid = $parts[2];
+    header('Content-Type: text/plain; charset=UTF-8');
+    echo "Organic Operator Id: $ooid\n";
+    exit;
+}
+
+header('Content-Length: 0');
+header('Status: 404');