From ed07404f08eafa267a4bca13fdfbfacf5f19975f Mon Sep 17 00:00:00 2001
From: czaks <marcin@6irc.net>
Date: Wed, 1 Apr 2015 17:50:59 +0200
Subject: [PATCH] smart_build.php: initial release

---
 smart_build.php | 139 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 smart_build.php

diff --git a/smart_build.php b/smart_build.php
new file mode 100644
index 00000000..6621238e
--- /dev/null
+++ b/smart_build.php
@@ -0,0 +1,139 @@
+<?php
+require_once("inc/functions.php");
+
+if (!$config['smart_build']) {
+  die('You need to enable $config["smart_build"]');
+}
+
+$config['smart_build'] = false; // Let's disable it, so we can build the page for real
+
+function sb_board($b, $page = 1) { global $config, $build_pages; $page = (int)$page;
+  if ($page < 1 && $page != -1) return false;
+  if (!openBoard($b)) return false;
+  if ($page > $config['max_pages']) return false;
+  $config['try_smarter'] = true;
+  $build_pages = array($page);
+  buildIndex("skip");
+  return true;
+}
+
+function sb_api_board($b, $page = 0) { $page = (int)$page;
+  return sb_board($b, $page + 1);
+}
+
+function sb_thread($b, $thread) { global $config; $thread = (int)$thread;
+  if (!openBoard($b)) return false;
+  buildThread($thread);
+  return true;
+}
+
+function sb_api($b) { global $config;
+  if (!openBoard($b)) return false;
+  $config['try_smarter'] = true;
+  $build_pages = array(-1);
+  buildIndex();
+  return true;
+}
+
+function sb_ukko() {
+  rebuildTheme("ukko", "post-thread");
+  return true;
+}
+
+function sb_catalog($b) {
+  rebuildTheme("catalog", "post-thread", $b); 
+  return true;
+}
+
+function sb_recent() {
+  rebuildTheme("recent", "post-thread"); 
+  return true;
+}
+
+$entrypoints = array();
+
+$entrypoints['/%b/']                       = 'sb_board';
+$entrypoints['/%b/'.$config['file_index']] = 'sb_board';
+$entrypoints['/%b/'.$config['file_page']]  = 'sb_board';
+$entrypoints['/%b/%d.json']                = 'sb_api_board';
+if ($config['api']['enabled']) {
+  $entrypoints['/%b/threads.json']         = 'sb_api';
+  $entrypoints['/%b/catalog.json']         = 'sb_api';
+}
+
+$entrypoints['/%b/'.$config['dir']['res'].$config['file_page']]          = 'sb_thread';
+$entrypoints['/%b/'.$config['dir']['res'].$config['file_page50']]        = 'sb_thread';
+if ($config['slugify']) {
+  $entrypoints['/%b/'.$config['dir']['res'].$config['file_page_slug']]   = 'sb_thread';
+  $entrypoints['/%b/'.$config['dir']['res'].$config['file_page50_slug']] = 'sb_thread';
+}
+if ($config['api']['enabled']) {
+  $entrypoints['/%b/'.$config['dir']['res'].'%d.json']                   = 'sb_thread';
+}
+
+$entrypoints['/*/']              = 'sb_ukko';
+$entrypoints['/*/index.html']    = 'sb_ukko';
+$entrypoints['/recent.html']     = 'sb_recent';
+$entrypoints['/%b/catalog.html'] = 'sb_catalog';
+
+$reached = false;
+
+$request = $_SERVER['REQUEST_URI'];
+
+foreach ($entrypoints as $id => $fun) {
+  $id = '@^' . preg_quote($id, '@') . '$@u'; 
+
+  $id = str_replace('%b', '('.$config['board_regex'].')', $id);
+  $id = str_replace('%d', '([0-9]+)',                     $id);
+  $id = str_replace('%s', '[a-zA-Z0-9-]+',                $id);
+
+  $matches = null;
+
+  if (preg_match ($id, $request, $matches)) {
+    array_shift($matches);
+
+    $reached = call_user_func_array($fun, $matches);
+
+    break;
+  }
+}
+
+if ($reached) {
+  if ($request[strlen($request)-1] == '/') {
+    $request .= 'index.html';
+  }
+  $request = '.'.$request;
+
+  if (!file_exists($request)) {
+    header("Location: ".$config['page_404']);
+    die();
+  }
+
+  header("HTTP/1.1 200 OK");
+  header("Status: 200 OK");
+  if (preg_match('/\.json$/', $request)) {
+    header("Content-Type", "application/json");
+  }
+  elseif (preg_match('/\.js$/', $request)) {
+    header("Content-Type", "text/javascript; charset=utf-8");
+  }
+  else {
+    header("Content-Type", "text/html; charset=utf-8");
+  }
+  header("Cache-Control: public, nocache, no-cache, max-age=0, must-revalidate");
+  header("Expires: Fri, 22 Feb 1991 06:00:00 GMT");
+  header("Last-Modified: ".date('r', filemtime($request)));
+
+  //if (isset ($_SERVER['HTTP_ACCEPT_ENCODING']) && preg_match('/gzip/', $_SERVER['HTTP_ACCEPT_ENCODING']) && file_exists($request.".gz")) {
+  //  header("Content-Encoding: gzip");
+  //  $file = fopen($request.".gz", 'r');
+  //}
+  //else {
+  $file = fopen($request, 'r');
+  //}
+  fpassthru($file);
+  fclose($file);
+}
+else {
+  header("Location: ".$config['page_404']);
+}