Merge remote-tracking branch 'upstream/master' into vichan-merge

1 files changed, 216 insertions, 0 deletions

diff --git a/smart_build.php b/smart_build.php
new file mode 100644
index 00000000..31d8110a
--- /dev/null
+++ b/smart_build.php
@@ -0,0 +1,216 @@
+<?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 after_open_board() { global $config;
+  $config['smart_build'] = false;
+};
+
+function sb_board($b, $page = 1) { global $config, $build_pages; $page = (int)$page;
+  if ($page < 1) return false;
+  if (!openBoard($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, $slugcheck = false) { global $config; $thread = (int)$thread;
+  if ($thread < 1) return false;
+
+  if (!preg_match('/^'.$config['board_regex'].'$/u', $b)) return false;
+
+  if (Cache::get("thread_exists_".$b."_".$thread) == "no") return false;
+
+  $query = prepare(sprintf("SELECT MAX(`id`) AS `max` FROM ``posts_%s``", $b));
+  if (!$query->execute()) return false;
+
+  $s = $query->fetch(PDO::FETCH_ASSOC);
+  $max = $s['max'];
+
+  if ($thread > $max) return false;
+
+  $query = prepare(sprintf("SELECT `id` FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL", $b));
+  $query->bindValue(':id', $thread);
+  
+  if (!$query->execute() || !$query->fetch(PDO::FETCH_ASSOC) ) {
+    Cache::set("thread_exists_".$b."_".$thread, "no");
+    return false;
+  }
+
+  if ($slugcheck && $config['slugify']) {
+    global $request;
+
+    $link = link_for(array("id" => $thread), $slugcheck === 50, array("uri" => $b));
+    $link = "/".$b."/".$config['dir']['res'].$link;
+
+    if ($link != $request) {
+      header("Location: $link", true, 301);
+      die();
+    }
+  }
+
+  if ($slugcheck == 50) { // Should we really generate +50 page? Maybe there are not enough posts anyway
+    global $request;
+    $r = str_replace("+50", "", $request);
+    $r = substr($r, 1); // Cut the slash
+
+    if (file_exists($r)) return false;
+  }
+  
+  if (!openBoard($b)) return false;
+  buildThread($thread);
+  return true;
+}
+
+function sb_thread_slugcheck($b, $thread) {
+  return sb_thread($b, $thread, true);
+}
+function sb_thread_slugcheck50($b, $thread) {
+  return sb_thread($b, $thread, 50);
+}
+
+function sb_api($b) { global $config, $build_pages;
+  if (!openBoard($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) {
+  if (!openBoard($b)) return false;
+
+  rebuildTheme("catalog", "post-thread", $b); 
+  return true;
+}
+
+function sb_recent() {
+  rebuildTheme("recent", "post-thread");
+  return true;
+}
+
+function sb_sitemap() {
+  rebuildTheme("sitemap", "all");
+  return true;
+}
+
+$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_slugcheck';
+$entrypoints['/%b/'.$config['dir']['res'].$config['file_page50']]        = 'sb_thread_slugcheck50';
+if ($config['slugify']) {
+  $entrypoints['/%b/'.$config['dir']['res'].$config['file_page_slug']]   = 'sb_thread_slugcheck';
+  $entrypoints['/%b/'.$config['dir']['res'].$config['file_page50_slug']] = 'sb_thread_slugcheck50';
+}
+if ($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';
+$entrypoints['/sitemap.xml']     = 'sb_sitemap';
+
+$reached = false;
+
+$request = $_SERVER['REQUEST_URI'];
+list($request) = explode('?', $request);
+
+foreach ($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;
+  }
+}
+
+function die_404() { global $config;
+  if (!$config['page_404']) {
+    header("HTTP/1.1 404 Not Found");
+    header("Status: 404 Not Found");
+    echo "<h1>404 Not Found</h1><p>Page doesn't exist<hr><address>vichan</address>";
+  }
+  else {
+    header("Location: ".$config['page_404']);
+  }
+  header("X-Accel-Expires: 120");
+  die();
+}
+
+if ($reached) {
+  if ($request[strlen($request)-1] == '/') {
+    $request .= 'index.html';
+  }
+  $request = '.'.$request;
+
+  if (!file_exists($request)) {
+    die_404();
+  }
+
+  header("HTTP/1.1 200 OK");
+  header("Status: 200 OK");
+  if (preg_match('/\.json$/', $request)) {
+    header("Content-Type", "application/json");
+  }
+  elseif (preg_match('/\.js$/', $request)) {
+    header("Content-Type", "text/javascript; charset=utf-8");
+  }
+  elseif (preg_match('/\.xml$/', $request)) {
+    header("Content-Type", "application/xml");
+  }
+  else {
+    header("Content-Type", "text/html; charset=utf-8");
+  }
+  header("Cache-Control: public, nocache, no-cache, max-age=0, must-revalidate");
+  header("Expires: Fri, 22 Feb 1991 06:00:00 GMT");
+  header("Last-Modified: ".date('r', filemtime($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 {
+  die_404();
+}