use go 1.12

Signed-off-by: hongming <talonwan@yunify.com>

vendor/github.com/mholt/caddy/caddyhttp/mime/mime.go

@@ -0,0 +1,45 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package mime
+
+import (
+	"net/http"
+	"path"
+
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+// Config represent a mime config. Map from extension to mime-type.
+// Note, this should be safe with concurrent read access, as this is
+// not modified concurrently.
+type Config map[string]string
+
+// Mime sets Content-Type header of requests based on configurations.
+type Mime struct {
+	Next    httpserver.Handler
+	Configs Config
+}
+
+// ServeHTTP implements the httpserver.Handler interface.
+func (e Mime) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
+	// Get a clean /-path, grab the extension
+	ext := path.Ext(path.Clean(r.URL.Path))
+
+	if contentType, ok := e.Configs[ext]; ok {
+		w.Header().Set("Content-Type", contentType)
+	}
+
+	return e.Next.ServeHTTP(w, r)
+}

vendor/github.com/mholt/caddy/caddyhttp/mime/setup.go

@@ -0,0 +1,88 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package mime
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+func init() {
+	caddy.RegisterPlugin("mime", caddy.Plugin{
+		ServerType: "http",
+		Action:     setup,
+	})
+}
+
+// setup configures a new mime middleware instance.
+func setup(c *caddy.Controller) error {
+	configs, err := mimeParse(c)
+	if err != nil {
+		return err
+	}
+
+	httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
+		return Mime{Next: next, Configs: configs}
+	})
+
+	return nil
+}
+
+func mimeParse(c *caddy.Controller) (Config, error) {
+	configs := Config{}
+
+	for c.Next() {
+		// At least one extension is required
+
+		args := c.RemainingArgs()
+		switch len(args) {
+		case 2:
+			if err := validateExt(configs, args[0]); err != nil {
+				return configs, err
+			}
+			configs[args[0]] = args[1]
+		case 1:
+			return configs, c.ArgErr()
+		case 0:
+			for c.NextBlock() {
+				ext := c.Val()
+				if err := validateExt(configs, ext); err != nil {
+					return configs, err
+				}
+				if !c.NextArg() {
+					return configs, c.ArgErr()
+				}
+				configs[ext] = c.Val()
+			}
+		}
+
+	}
+
+	return configs, nil
+}
+
+// validateExt checks for valid file name extension.
+func validateExt(configs Config, ext string) error {
+	if !strings.HasPrefix(ext, ".") {
+		return fmt.Errorf(`mime: invalid extension "%v" (must start with dot)`, ext)
+	}
+	if _, ok := configs[ext]; ok {
+		return fmt.Errorf(`mime: duplicate extension "%v" found`, ext)
+	}
+	return nil
+}