initial

var/Widget/Ajax.php

@@ -0,0 +1,166 @@
+<?php
+
+namespace Widget;
+
+use Typecho\Http\Client;
+use Typecho\Widget\Exception;
+use Widget\Base\Options as BaseOptions;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
+
+/**
+ * 异步调用组件
+ *
+ * @author qining
+ * @category typecho
+ * @package Widget
+ */
+class Ajax extends BaseOptions implements ActionInterface
+{
+    /**
+     * 针对rewrite验证的请求返回
+     *
+     * @access public
+     * @return void
+     */
+    public function remoteCallback()
+    {
+        if ($this->options->generator == $this->request->getAgent()) {
+            echo 'OK';
+        }
+    }
+
+    /**
+     * 获取最新版本
+     *
+     * @throws Exception|\Typecho\Db\Exception
+     */
+    public function checkVersion()
+    {
+        $this->user->pass('editor');
+        $client = Client::get();
+        $result = ['available' => 0];
+        if ($client) {
+            $client->setHeader('User-Agent', $this->options->generator)
+                ->setTimeout(10);
+
+            try {
+                $client->send('https://typecho.org/version.json');
+
+                /** 匹配内容体 */
+                $response = $client->getResponseBody();
+                $json = json_decode($response, true);
+
+                if (!empty($json)) {
+                    $version = $this->options->version;
+
+                    if (
+                        isset($json['release'])
+                        && preg_match("/^[0-9.]+$/", $json['release'])
+                        && version_compare($json['release'], $version, '>')
+                    ) {
+                        $result = [
+                            'available' => 1,
+                            'latest'    => $json['release'],
+                            'current'   => $version,
+                            'link'      => 'https://typecho.org/download'
+                        ];
+                    }
+                }
+            } catch (\Exception $e) {
+                // do nothing
+            }
+        }
+
+        $this->response->throwJson($result);
+    }
+
+    /**
+     * 远程请求代理
+     *
+     * @throws Exception
+     * @throws Client\Exception|\Typecho\Db\Exception
+     */
+    public function feed()
+    {
+        $this->user->pass('subscriber');
+        $client = Client::get();
+        $data = [];
+        if ($client) {
+            $client->setHeader('User-Agent', $this->options->generator)
+                ->setTimeout(10)
+                ->send('https://typecho.org/feed/');
+
+            /** 匹配内容体 */
+            $response = $client->getResponseBody();
+            preg_match_all(
+                "/<item>\s*<title>([^>]*)<\/title>\s*<link>([^>]*)<\/link>\s*<guid>[^>]*<\/guid>\s*<pubDate>([^>]*)<\/pubDate>/i",
+                $response,
+                $matches
+            );
+
+            if ($matches) {
+                foreach ($matches[0] as $key => $val) {
+                    $data[] = [
+                        'title' => $matches[1][$key],
+                        'link'  => $matches[2][$key],
+                        'date'  => date('n.j', strtotime($matches[3][$key]))
+                    ];
+
+                    if ($key > 8) {
+                        break;
+                    }
+                }
+            }
+        }
+
+        $this->response->throwJson($data);
+    }
+
+    /**
+     * 自定义编辑器大小
+     *
+     * @throws \Typecho\Db\Exception|Exception
+     */
+    public function editorResize()
+    {
+        $this->user->pass('contributor');
+        $size = $this->request->filter('int')->get('size');
+
+        if (
+            $this->db->fetchObject($this->db->select(['COUNT(*)' => 'num'])
+                ->from('table.options')->where('name = ? AND user = ?', 'editorSize', $this->user->uid))->num > 0
+        ) {
+            parent::update(
+                ['value' => $size],
+                $this->db->sql()->where('name = ? AND user = ?', 'editorSize', $this->user->uid)
+            );
+        } else {
+            parent::insert([
+                'name'  => 'editorSize',
+                'value' => $size,
+                'user'  => $this->user->uid
+            ]);
+        }
+    }
+
+    /**
+     * 异步请求入口
+     *
+     * @access public
+     * @return void
+     */
+    public function action()
+    {
+        if (!$this->request->isAjax()) {
+            $this->response->goBack();
+        }
+
+        $this->on($this->request->is('do=remoteCallback'))->remoteCallback();
+        $this->on($this->request->is('do=feed'))->feed();
+        $this->on($this->request->is('do=checkVersion'))->checkVersion();
+        $this->on($this->request->is('do=editorResize'))->editorResize();
+    }
+}