lainchan/inc/api.php

186 lines
4.8 KiB
PHP

<?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',
'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);
$apiPost['md5'] = base64_encode(hex2bin($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;
}
}