Add redirect support to the server

Fixes #7323

config/commonConfig_test.go

@@ -70,15 +70,73 @@ for = "/*.jpg"
 X-Frame-Options = "DENY"
 X-XSS-Protection = "1; mode=block"
 X-Content-Type-Options = "nosniff"
+
+[[server.redirects]]
+from = "/foo/**"
+to = "/foo/index.html"
+status = 200
+
+[[server.redirects]]
+from = "/google/**"
+to = "https://google.com/"
+status = 301
+
+[[server.redirects]]
+from = "/**"
+to = "/default/index.html"
+status = 301
+
+
+
 `, "toml")
 
 	c.Assert(err, qt.IsNil)
 
-	s := DecodeServer(cfg)
+	s, err := DecodeServer(cfg)
+	c.Assert(err, qt.IsNil)
 
-	c.Assert(s.Match("/foo.jpg"), qt.DeepEquals, []types.KeyValueStr{
+	c.Assert(s.MatchHeaders("/foo.jpg"), qt.DeepEquals, []types.KeyValueStr{
 		{Key: "X-Content-Type-Options", Value: "nosniff"},
 		{Key: "X-Frame-Options", Value: "DENY"},
 		{Key: "X-XSS-Protection", Value: "1; mode=block"}})
 
+	c.Assert(s.MatchRedirect("/foo/bar/baz"), qt.DeepEquals, Redirect{
+		From:   "/foo/**",
+		To:     "/foo/",
+		Status: 200,
+	})
+
+	c.Assert(s.MatchRedirect("/someother"), qt.DeepEquals, Redirect{
+		From:   "/**",
+		To:     "/default/",
+		Status: 301,
+	})
+
+	c.Assert(s.MatchRedirect("/google/foo"), qt.DeepEquals, Redirect{
+		From:   "/google/**",
+		To:     "https://google.com/",
+		Status: 301,
+	})
+
+	// No redirect loop, please.
+	c.Assert(s.MatchRedirect("/default/index.html"), qt.DeepEquals, Redirect{})
+	c.Assert(s.MatchRedirect("/default/"), qt.DeepEquals, Redirect{})
+
+	for _, errorCase := range []string{`[[server.redirects]]
+from = "/**"
+to = "/file"
+status = 301`,
+		`[[server.redirects]]
+from = "/**"
+to = "/foo/file.html"
+status = 301`,
+	} {
+
+		cfg, err := FromConfigString(errorCase, "toml")
+		c.Assert(err, qt.IsNil)
+		_, err = DecodeServer(cfg)
+		c.Assert(err, qt.Not(qt.IsNil))
+
+	}
+
 }