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I am not a lawyer, but according to the appendix of the license, these boilerplate notices should be included with every source file.
114 lines
2.8 KiB
Go
114 lines
2.8 KiB
Go
// Copyright 2015 Light Code Labs, LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package basicauth
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import (
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"strings"
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"github.com/mholt/caddy"
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"github.com/mholt/caddy/caddyhttp/httpserver"
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)
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func init() {
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caddy.RegisterPlugin("basicauth", caddy.Plugin{
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ServerType: "http",
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Action: setup,
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})
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}
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// setup configures a new BasicAuth middleware instance.
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func setup(c *caddy.Controller) error {
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cfg := httpserver.GetConfig(c)
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root := cfg.Root
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rules, err := basicAuthParse(c)
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if err != nil {
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return err
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}
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basic := BasicAuth{Rules: rules}
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cfg.AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
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basic.Next = next
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basic.SiteRoot = root
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return basic
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})
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return nil
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}
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func basicAuthParse(c *caddy.Controller) ([]Rule, error) {
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var rules []Rule
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cfg := httpserver.GetConfig(c)
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var err error
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for c.Next() {
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var rule Rule
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args := c.RemainingArgs()
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switch len(args) {
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case 2:
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rule.Username = args[0]
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if rule.Password, err = passwordMatcher(rule.Username, args[1], cfg.Root); err != nil {
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return rules, c.Errf("Get password matcher from %s: %v", c.Val(), err)
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}
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case 3:
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rule.Resources = append(rule.Resources, args[0])
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rule.Username = args[1]
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if rule.Password, err = passwordMatcher(rule.Username, args[2], cfg.Root); err != nil {
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return rules, c.Errf("Get password matcher from %s: %v", c.Val(), err)
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}
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default:
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return rules, c.ArgErr()
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}
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// If nested block is present, process it here
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for c.NextBlock() {
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val := c.Val()
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args = c.RemainingArgs()
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switch len(args) {
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case 0:
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// Assume single argument is path resource
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rule.Resources = append(rule.Resources, val)
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case 1:
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if val == "realm" {
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if rule.Realm == "" {
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rule.Realm = strings.Replace(args[0], `"`, `\"`, -1)
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} else {
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return rules, c.Errf("\"realm\" subdirective can only be specified once")
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}
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} else {
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return rules, c.Errf("expecting \"realm\", got \"%s\"", val)
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}
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default:
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return rules, c.ArgErr()
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}
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}
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rules = append(rules, rule)
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}
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return rules, nil
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}
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func passwordMatcher(username, passw, siteRoot string) (PasswordMatcher, error) {
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htpasswdPrefix := "htpasswd="
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if !strings.HasPrefix(passw, htpasswdPrefix) {
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return PlainMatcher(passw), nil
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}
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return GetHtpasswdMatcher(passw[len(htpasswdPrefix):], username, siteRoot)
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}
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