From b3f42e62af698a67c2250533c437569559f1fdf9 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Thu, 29 Dec 2016 07:49:51 +0900
Subject: Initial commit :four_leaf_clover:

---
 src/web/service/proxy/proxy.ts  | 30 ++++++++++++++++++++++++++++++
 src/web/service/proxy/server.ts | 17 +++++++++++++++++
 src/web/service/rss-proxy.ts    | 16 ++++++++++++++++
 src/web/service/url-preview.ts  | 13 +++++++++++++
 4 files changed, 76 insertions(+)
 create mode 100644 src/web/service/proxy/proxy.ts
 create mode 100644 src/web/service/proxy/server.ts
 create mode 100644 src/web/service/rss-proxy.ts
 create mode 100644 src/web/service/url-preview.ts

(limited to 'src/web/service')

diff --git a/src/web/service/proxy/proxy.ts b/src/web/service/proxy/proxy.ts
new file mode 100644
index 0000000000..34c1deafad
--- /dev/null
+++ b/src/web/service/proxy/proxy.ts
@@ -0,0 +1,30 @@
+import * as url from 'url';
+import * as express from 'express';
+import * as request from 'request';
+
+module.exports = (req: express.Request, res: express.Response) => {
+	const _url = req.params.url;
+
+	if (!_url) {
+		return;
+	}
+
+	request({
+		url: _url + url.parse(req.url, true).search,
+		encoding: null
+	}, (err, response, content) => {
+		if (err) {
+			console.error(err);
+			return;
+		}
+
+		const contentType = response.headers['content-type'];
+
+		if (/^text\//.test(contentType) || contentType === 'application/javascript') {
+			content = content.toString().replace(/http:\/\//g, `${config.secondary_scheme}://proxy.${config.secondary_host}/http://`);
+		}
+
+		res.header('Content-Type', contentType);
+		res.send(content);
+	});
+};
diff --git a/src/web/service/proxy/server.ts b/src/web/service/proxy/server.ts
new file mode 100644
index 0000000000..5b1b8d106c
--- /dev/null
+++ b/src/web/service/proxy/server.ts
@@ -0,0 +1,17 @@
+/**
+ * Forward Proxy Service
+ */
+
+import * as express from 'express';
+import * as cors from 'cors';
+
+/**
+ * Init app
+ */
+const app = express();
+app.disable('x-powered-by');
+app.use(cors());
+
+app.get('/:url(*)', require('./proxy'));
+
+module.exports = app;
diff --git a/src/web/service/rss-proxy.ts b/src/web/service/rss-proxy.ts
new file mode 100644
index 0000000000..8cc3711e70
--- /dev/null
+++ b/src/web/service/rss-proxy.ts
@@ -0,0 +1,16 @@
+import * as express from 'express';
+import * as request from 'request';
+const xml2json = require('xml2json');
+
+module.exports = (req: express.Request, res: express.Response) => {
+	const url: string = req.body.url;
+
+	request(url, (err, response, xml) => {
+		if (err) {
+			console.error(err);
+			return;
+		}
+
+		res.send(xml2json.toJson(xml));
+	});
+};
diff --git a/src/web/service/url-preview.ts b/src/web/service/url-preview.ts
new file mode 100644
index 0000000000..d1a345ef17
--- /dev/null
+++ b/src/web/service/url-preview.ts
@@ -0,0 +1,13 @@
+import * as express from 'express';
+import summaly from 'summaly';
+
+module.exports = async (req: express.Request, res: express.Response) => {
+	const summary = await summaly(req.query.url);
+	summary.icon = wrap(summary.icon);
+	summary.thumbnail = wrap(summary.thumbnail);
+	res.send(summary);
+};
+
+function wrap(url: string): string {
+	return `${config.proxy_url}/${url}`;
+}
-- 
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