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- <?php
- /*
- * Copyright (c) 2010-2013 Tinyboard Development Group
- */
-
- defined('TINYBOARD') or exit;
-
- /**
- * Class for generating json API compatible with 4chan API
- */
- class Api {
- function __construct(){
- global $config;
- /**
- * Translation from local fields to fields in 4chan-style API
- */
- $this->config = $config;
-
- $this->postFields = array(
- 'id' => 'no',
- 'thread' => 'resto',
- 'subject' => 'sub',
- 'body' => 'com',
- 'email' => 'email',
- 'name' => 'name',
- 'trip' => 'trip',
- 'capcode' => 'capcode',
- 'time' => 'time',
- 'omitted' => 'omitted_posts',
- 'omitted_images' => 'omitted_images',
- 'replies' => 'replies',
- 'images' => 'images',
- 'sticky' => 'sticky',
- 'locked' => 'locked',
- 'cycle' => 'cyclical',
- 'bump' => 'last_modified',
- 'embed' => 'embed',
- );
-
- $this->threadsPageFields = array(
- 'id' => 'no',
- 'bump' => 'last_modified'
- );
-
- $this->fileFields = array(
- 'thumbheight' => 'tn_h',
- 'thumbwidth' => 'tn_w',
- 'height' => 'h',
- 'width' => 'w',
- 'size' => 'fsize',
- );
-
- if (isset($config['api']['extra_fields']) && gettype($config['api']['extra_fields']) == 'array'){
- $this->postFields = array_merge($this->postFields, $config['api']['extra_fields']);
- }
- }
-
- private static $ints = array(
- 'no' => 1,
- 'resto' => 1,
- 'time' => 1,
- 'tn_w' => 1,
- 'tn_h' => 1,
- 'w' => 1,
- 'h' => 1,
- 'fsize' => 1,
- 'omitted_posts' => 1,
- 'omitted_images' => 1,
- 'replies' => 1,
- 'images' => 1,
- 'sticky' => 1,
- 'locked' => 1,
- 'last_modified' => 1
- );
-
- private function translateFields($fields, $object, &$apiPost) {
- foreach ($fields as $local => $translated) {
- if (!isset($object->$local))
- continue;
-
- $toInt = isset(self::$ints[$translated]);
- $val = $object->$local;
- if ($val !== null && $val !== '') {
- $apiPost[$translated] = $toInt ? (int) $val : $val;
- }
-
- }
- }
-
- private function translateFile($file, $post, &$apiPost) {
- $this->translateFields($this->fileFields, $file, $apiPost);
- $apiPost['filename'] = @substr($file->name, 0, strrpos($file->name, '.'));
- $dotPos = strrpos($file->file, '.');
- $apiPost['ext'] = substr($file->file, $dotPos);
- $apiPost['tim'] = substr($file->file, 0, $dotPos);
- if (isset ($file->hash) && $file->hash) {
- $apiPost['md5'] = base64_encode(hex2bin($file->hash));
- }
- else if (isset ($post->filehash) && $post->filehash) {
- $apiPost['md5'] = base64_encode(hex2bin($post->filehash));
- }
- }
-
- private function translatePost($post, $threadsPage = false) {
- global $config, $board;
- $apiPost = array();
- $fields = $threadsPage ? $this->threadsPageFields : $this->postFields;
- $this->translateFields($fields, $post, $apiPost);
-
- if (isset($config['poster_ids']) && $config['poster_ids']) $apiPost['id'] = poster_id($post->ip, $post->thread, $board['uri']);
- if ($threadsPage) return $apiPost;
-
- // Handle country field
- if (isset($post->body_nomarkup) && $this->config['country_flags']) {
- $modifiers = extract_modifiers($post->body_nomarkup);
- if (isset($modifiers['flag']) && isset($modifiers['flag alt']) && preg_match('/^[a-z]{2}$/', $modifiers['flag'])) {
- $country = strtoupper($modifiers['flag']);
- if ($country) {
- $apiPost['country'] = $country;
- $apiPost['country_name'] = $modifiers['flag alt'];
- }
- }
- }
-
- if ($config['slugify'] && !$post->thread) {
- $apiPost['semantic_url'] = $post->slug;
- }
-
- // Handle files
- // Note: 4chan only supports one file, so only the first file is taken into account for 4chan-compatible API.
- if (isset($post->files) && $post->files && !$threadsPage) {
- $file = $post->files[0];
- $this->translateFile($file, $post, $apiPost);
- if (sizeof($post->files) > 1) {
- $extra_files = array();
- foreach ($post->files as $i => $f) {
- if ($i == 0) continue;
-
- $extra_file = array();
- $this->translateFile($f, $post, $extra_file);
-
- $extra_files[] = $extra_file;
- }
- $apiPost['extra_files'] = $extra_files;
- }
- }
-
- return $apiPost;
- }
-
- function translateThread(Thread $thread, $threadsPage = false) {
- $apiPosts = array();
- $op = $this->translatePost($thread, $threadsPage);
- if (!$threadsPage) $op['resto'] = 0;
- $apiPosts['posts'][] = $op;
-
- foreach ($thread->posts as $p) {
- $apiPosts['posts'][] = $this->translatePost($p, $threadsPage);
- }
-
- return $apiPosts;
- }
-
- function translatePage(array $threads) {
- $apiPage = array();
- foreach ($threads as $thread) {
- $apiPage['threads'][] = $this->translateThread($thread);
- }
- return $apiPage;
- }
-
- function translateCatalogPage(array $threads, $threadsPage = false) {
- $apiPage = array();
- foreach ($threads as $thread) {
- $ts = $this->translateThread($thread, $threadsPage);
- $apiPage['threads'][] = current($ts['posts']);
- }
- return $apiPage;
- }
-
- function translateCatalog($catalog, $threadsPage = false) {
- $apiCatalog = array();
- foreach ($catalog as $page => $threads) {
- $apiPage = $this->translateCatalogPage($threads, $threadsPage);
- $apiPage['page'] = $page;
- $apiCatalog[] = $apiPage;
- }
-
- return $apiCatalog;
- }
- }
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