Merge pull request #14 from pteich/support_caddyfile_syntax

Support for Caddyfile configuration

Author: pteich

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.14 AS builder
+FROM golang:1.15 AS builder
 
 WORKDIR /workspace
 RUN echo 'package main\n\
@@ -11,7 +11,7 @@ func main() {\n\
 caddycmd.Main()\n\
 }' > main.go && \
           go env -w GOPROXY="https://goproxy.io,direct" && \
-          go mod init caddy && go get github.com/caddyserver/caddy/v2@master && go get && \
+          go mod init caddy && go get github.com/caddyserver/caddy/v2@v2.2.0 && go get && \
           CGO_ENABLED=0 go build -trimpath -tags netgo -ldflags '-extldflags "-static" -s -w' -o /usr/bin/caddy
 
 

config.go

@@ -15,7 +15,7 @@ const (
 	DefaultValuePrefix = "caddy-storage-consul"
 
 	// DefaultTimeout is the default timeout for Consul connections
-	DefaultTimeout = 10 * time.Second
+	DefaultTimeout = 10
 
 	// EnvNameAESKey defines the env variable name to override AES key
 	EnvNameAESKey = "CADDY_CLUSTERING_CONSUL_AESKEY"

crypto.go

@@ -11,11 +11,11 @@ import (
 
 func (s *Storage) encrypt(bytes []byte) ([]byte, error) {
 	// No key? No encrypt
-	if len(s.config.AESKey) == 0 {
+	if len(s.AESKey) == 0 {
 		return bytes, nil
 	}
 
-	c, err := aes.NewCipher(s.config.AESKey)
+	c, err := aes.NewCipher(s.AESKey)
 	if err != nil {
 		return nil, fmt.Errorf("unable to create AES cipher: %w", err)
 	}
@@ -42,20 +42,20 @@ func (s *Storage) EncryptStorageData(data *StorageData) ([]byte, error) {
 	}
 
 	// Prefix with simple prefix and then encrypt
-	bytes = append([]byte(s.config.ValuePrefix), bytes...)
+	bytes = append([]byte(s.ValuePrefix), bytes...)
 	return s.encrypt(bytes)
 }
 
 func (s *Storage) decrypt(bytes []byte) ([]byte, error) {
 	// No key? No decrypt
-	if len(s.config.AESKey) == 0 {
+	if len(s.AESKey) == 0 {
 		return bytes, nil
 	}
 	if len(bytes) < aes.BlockSize {
 		return nil, fmt.Errorf("invalid contents")
 	}
 
-	block, err := aes.NewCipher(s.config.AESKey)
+	block, err := aes.NewCipher(s.AESKey)
 	if err != nil {
 		return nil, fmt.Errorf("unable to create AES cipher: %w", err)
 	}
@@ -81,13 +81,13 @@ func (s *Storage) DecryptStorageData(bytes []byte) (*StorageData, error) {
 	}
 
 	// Simple sanity check of the beginning of the byte array just to check
-	if len(bytes) < len(s.config.ValuePrefix) || string(bytes[:len(s.config.ValuePrefix)]) != s.config.ValuePrefix {
+	if len(bytes) < len(s.ValuePrefix) || string(bytes[:len(s.ValuePrefix)]) != s.ValuePrefix {
 		return nil, fmt.Errorf("invalid data format")
 	}
 
 	// Now just json unmarshal
 	data := &StorageData{}
-	if err := json.Unmarshal(bytes[len(s.config.ValuePrefix):], data); err != nil {
+	if err := json.Unmarshal(bytes[len(s.ValuePrefix):], data); err != nil {
 		return nil, fmt.Errorf("unable to unmarshal result: %w", err)
 	}
 	return data, nil

go.mod

@@ -3,21 +3,23 @@ module github.com/pteich/caddy-tlsconsul
 go 1.14
 
 require (
-	github.com/armon/go-metrics v0.3.3 // indirect
-	github.com/caddyserver/caddy/v2 v2.0.1-0.20200605181936-1dfb11486eac
-	github.com/caddyserver/certmagic v0.11.1
-	github.com/cenkalti/backoff/v4 v4.0.2 // indirect
-	github.com/hashicorp/consul/api v1.4.0
+	github.com/armon/go-metrics v0.3.4 // indirect
+	github.com/caddyserver/caddy/v2 v2.2.0
+	github.com/caddyserver/certmagic v0.12.0
+	github.com/hashicorp/consul/api v1.7.0
 	github.com/hashicorp/go-hclog v0.14.1 // indirect
-	github.com/hashicorp/go-immutable-radix v1.2.0 // indirect
+	github.com/hashicorp/go-immutable-radix v1.3.0 // indirect
+	github.com/hashicorp/go.net v0.0.1 // indirect
 	github.com/hashicorp/golang-lru v0.5.4 // indirect
-	github.com/hashicorp/serf v0.9.2 // indirect
-	github.com/miekg/dns v1.1.29 // indirect
-	github.com/mitchellh/mapstructure v1.3.1 // indirect
+	github.com/hashicorp/serf v0.9.5 // indirect
+	github.com/mattn/go-colorable v0.1.8 // indirect
+	github.com/mitchellh/gox v0.4.0 // indirect
+	github.com/mitchellh/iochan v1.0.0 // indirect
+	github.com/mitchellh/mapstructure v1.3.3 // indirect
 	github.com/stretchr/testify v1.5.1
 	go.uber.org/zap v1.15.0
-	golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9 // indirect
-	golang.org/x/net v0.0.0-20200602114024-627f9648deb9 // indirect
-	golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980 // indirect
-	gopkg.in/square/go-jose.v2 v2.5.1 // indirect
+	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
+	golang.org/x/sys v0.0.0-20201008064518-c1f3e3309c71 // indirect
+	golang.org/x/tools v0.0.0-20200304193943-95d2e580d8eb // indirect
+	honnef.co/go/tools v0.0.1-2020.1.3 // indirect
 )