fix: docker workflow tags

ci: new goreleaser workflow (#157 )
ci: use cache for docker builds
2026-09-22 03:20:41 +08:00 · 2024-07-21 21:03:23 +02:00 · 2024-07-21 21:01:03 +02:00 · 2024-07-21 20:53:06 +02:00 · 2024-07-21 20:52:50 +02:00 · 2024-07-21 20:45:14 +02:00
25 changed files with 972 additions and 1215 deletions
@@ -0,0 +1,19 @@
+name: Build
+
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.22.x"
+      - run: go build .
@@ -1,88 +0,0 @@
-# Used as inspiration: https://github.com/mvdan/github-actions-golang
-
-name: Tests
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-
-jobs:
-  test:
-    strategy:
-      # Default is true, cancels jobs for other platforms in the matrix if one fails
-      fail-fast: false
-      matrix:
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
-        go: [ '1.16' ]
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: ${{ matrix.go }}
-
-    - name: Checkout code
-      uses: actions/checkout@v2
-
-    - name: Print Go version and environment
-      id: vars
-      run: |
-        printf "Using go at: $(which go)\n"
-        printf "Go version: $(go version)\n"
-        printf "\n\nGo environment:\n\n"
-        go env
-        printf "\n\nSystem environment:\n\n"
-        env
-        echo "::set-output name=go_cache::$(go env GOCACHE)"
-
-    - name: Cache the build cache
-      uses: actions/cache@v2
-      with:
-        path: ${{ steps.vars.outputs.go_cache }}
-        key: ${{ runner.os }}-${{ matrix.go }}-go-ci-${{ hashFiles('**/go.sum') }}
-        restore-keys: |
-          ${{ runner.os }}-${{ matrix.go }}-go-ci
-
-    - name: Get dependencies
-      run: go get -v -t -d ./...
-
-    # To ensure the project compiles, and not just its tests are passing
-    - name: Build webdav
-      working-directory: .
-      env:
-        CGO_ENABLED: 0
-      run: go build -trimpath -ldflags="-w -s" -v
-
-    - name: Run tests
-      run: go test -v -race ./...
-
-  golangci-lint:
-    name: runner / golangci-lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code into the Go module directory
-        uses: actions/checkout@v2
-
-      - name: Run golangci-lint
-        uses: reviewdog/action-golangci-lint@v1
-        with:
-          github_token: ${{ secrets.github_token }}
-
-  goreleaser-check:
-  # goreleaser --rm-dist --skip-validate --skip-publish
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout
-        uses: actions/checkout@v2
-      - uses: goreleaser/goreleaser-action@v2
-        with:
-          version: latest
-          args: check
-        env:
-          TAG: ${{ steps.vars.outputs.version_tag }}
@@ -0,0 +1,69 @@
+name:  Docker
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'main'
+    tags:
+      - 'v*'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+      attestations: write
+      id-token: write
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            hacdias/webdav
+            ghcr.io/hacdias/webdav
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern=v{{version}}
+            type=semver,pattern=v{{major}}
+            type=semver,pattern=v{{major}}.{{minor}}
+
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          push: true
+          sbom: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: ${{ steps.meta.outputs.args }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
@@ -0,0 +1,21 @@
+name: Lint
+
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.22.x"
+      - uses: golangci/golangci-lint-action@v6
+        with:
+          version: "v1.59"
@@ -1,76 +0,0 @@
-name: Release
-
-on:
-  push:
-    tags:
-      - 'v*.*.*'
-
-jobs:
-  release:
-    name: Release
-    strategy:
-      matrix:
-        os: [ ubuntu-latest ]
-        go: [ '1.17' ]
-    runs-on: ${{ matrix.os }}
-
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: ${{ matrix.go }}
-
-    - name: Checkout code
-      uses: actions/checkout@v2
-      with:
-        fetch-depth: 0
-
-    # https://github.community/t5/GitHub-Actions/How-to-get-just-the-tag-name/m-p/32167/highlight/true#M1027
-    - name: Print Go version and environment
-      id: vars
-      run: |
-        printf "Using go at: $(which go)\n"
-        printf "Go version: $(go version)\n"
-        printf "\n\nGo environment:\n\n"
-        go env
-        printf "\n\nSystem environment:\n\n"
-        env
-        echo "::set-output name=short_sha::$(git rev-parse --short HEAD)"
-        echo "::set-output name=go_cache::$(go env GOCACHE)"
-
-        # Parse semver
-        TAG=${GITHUB_REF/refs\/tags\//}
-        SEMVER_RE='[^0-9]*\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)\([0-9A-Za-z\.-]*\)'
-        TAG_MAJOR=`echo ${TAG#v} | sed -e "s#$SEMVER_RE#\1#"`
-        TAG_MINOR=`echo ${TAG#v} | sed -e "s#$SEMVER_RE#\2#"`
-        TAG_PATCH=`echo ${TAG#v} | sed -e "s#$SEMVER_RE#\3#"`
-        TAG_SPECIAL=`echo ${TAG#v} | sed -e "s#$SEMVER_RE#\4#"`
-        echo "::set-output name=tag_major::${TAG_MAJOR}"
-        echo "::set-output name=tag_minor::${TAG_MINOR}"
-        echo "::set-output name=tag_patch::${TAG_PATCH}"
-        echo "::set-output name=tag_special::${TAG_SPECIAL}"
-
-    - name: Cache the build cache
-      uses: actions/cache@v2
-      with:
-        path: ${{ steps.vars.outputs.go_cache }}
-        key: ${{ runner.os }}-go${{ matrix.go }}-release-${{ hashFiles('**/go.sum') }}
-        restore-keys: |
-          ${{ runner.os }}-go${{ matrix.go }}-release
-
-    - name: Docker Login
-      if: success() && startsWith(github.ref, 'refs/tags/v')
-      env:
-        DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
-        DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
-      run: |
-        echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin
-
-    # GoReleaser will take care of publishing those artifacts into the release
-    - name: Run GoReleaser
-      uses: goreleaser/goreleaser-action@v2
-      with:
-        version: latest
-        args: release --rm-dist
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -0,0 +1,25 @@
+name: Releaser
+
+on:
+  push:
+    tags:
+      - '*'
+
+permissions:
+  contents: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-go@v5
+      - uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser
+          version: '~> v2'
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -0,0 +1,21 @@
+name: Test
+
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.22.x"
+      - name: Run test with coverage
+        run: go test -race -coverprofile=coverage.txt -covermode=atomic ./...
@@ -1,49 +1,47 @@
-env:
-  - GO111MODULE=on
-  - CGO_ENABLED=0
+version: 2

 before:
  hooks:
+    - go mod tidy
    - go mod download

-build:
-  main: main.go
-  binary: webdav
-  flags:
-    - -trimpath
-  ldflags:
-    - -s -w -X github.com/hacdias/webdav/cmd.version={{.Version}}
-  goos:
-    - darwin
-    - linux
-    - windows
-    - freebsd
-    - netbsd
-    - openbsd
-  goarch:
-    - amd64
-    - 386
-    - arm
-    - arm64
-    - mips
-    - mipsle
-    - mips64
-    - mips64le
-  goarm:
-    - 5
-    - 6
-    - 7
-  ignore:
-    - goos: openbsd
-      goarch: arm
-      goarm: 6
-    - goos: freebsd
-      goarch: arm
-      goarm: 6
+builds:
+  - main: main.go
+    binary: webdav
+    flags:
+      - '-trimpath'
+    ldflags:
+      - '-X github.com/hacdias/webdav/v4/cmd.version={{.Version}}'
+    goos:
+      - darwin
+      - linux
+      - windows
+      - freebsd
+      - netbsd
+      - openbsd
+    goarch:
+      - amd64
+      - '386'
+      - arm
+      - arm64
+      - mips
+      - mipsle
+      - mips64
+      - mips64le
+    goarm:
+      - '5'
+      - '6'
+      - '7'
+    ignore:
+      - goos: openbsd
+        goarch: arm
+        goarm: 6
+      - goos: freebsd
+        goarch: arm
+        goarm: 6

 archives:
-  -
-    name_template: "{{.Os}}-{{.Arch}}{{if .Arm}}v{{.Arm}}{{end}}-{{ .ProjectName }}"
+  - name_template: "{{.Os}}-{{.Arch}}{{if .Arm}}v{{.Arm}}{{end}}-{{ .ProjectName }}"
    format: tar.gz
    format_overrides:
      - goos: windows
@@ -55,14 +53,3 @@ release:
    name: webdav
  draft: false
  prerelease: auto
-
-dockers:
-  -
-    goos: linux
-    goarch: amd64
-    goarm: ''
-    image_templates:
-      - "hacdias/webdav:latest"
-      - "hacdias/webdav:{{ .Tag }}"
-      - "hacdias/webdav:v{{ .Major }}.{{ .Minor }}"
-      - "hacdias/webdav:v{{ .Major }}"
@@ -1,10 +1,24 @@
-FROM alpine:latest as certs
+FROM golang:1.22-alpine3.20 AS build
+
+ARG DOCKER_META_VERSION="untracked"
+
 RUN apk --update add ca-certificates

+WORKDIR /webdav/
+
+COPY ./go.mod ./
+COPY ./go.sum ./
+RUN go mod download
+
+COPY . /webdav/
+RUN go build -o main -ldflags="-X 'github.com/hacdias/webdav/v4/cmd.version=$DOCKER_META_VERSION'" .
+
 FROM scratch
-COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=build /webdav/main /bin/webdav

 EXPOSE 80
-COPY webdav /webdav

-ENTRYPOINT [ "/webdav" ]
+ENTRYPOINT [ "webdav" ]
+CMD [ "-p", "80" ]
@@ -1,9 +1,10 @@
 # webdav

-![Build](https://github.com/hacdias/webdav/workflows/Tests/badge.svg)
 [![Go Report Card](https://goreportcard.com/badge/github.com/hacdias/webdav?style=flat-square)](https://goreportcard.com/report/hacdias/webdav)
 [![Version](https://img.shields.io/github/release/hacdias/webdav.svg?style=flat-square)](https://github.com/hacdias/webdav/releases/latest)
-[![Docker Pulls](https://img.shields.io/docker/pulls/hacdias/webdav)](https://hub.docker.com/r/hacdias/webdav)
+[![Docker Pulls](https://img.shields.io/docker/pulls/hacdias/webdav?style=flat-square)](https://hub.docker.com/r/hacdias/webdav)
+
+A simple and standalone [WebDAV](https://en.wikipedia.org/wiki/WebDAV) server.

 ## Install

@@ -11,7 +12,7 @@ Please refer to the [Releases page](https://github.com/hacdias/webdav/releases)

 ## Usage

-```webdav``` command line interface is really easy to use so you can easily create a WebDAV server for your own user. By default, it runs on a random free port and supports JSON, YAML and TOML configuration. An example of a YAML configuration with the default configurations:
+`webdav` command line interface is really easy to use so you can easily create a WebDAV server for your own user. By default, it runs on a random free port and supports JSON, YAML and TOML configuration. An example of a YAML configuration with the default configurations:

 ```yaml
 # Server related settings
@@ -22,6 +23,7 @@ tls: false
 cert: cert.pem
 key: key.pem
 prefix: /
+debug: false

 # Default user settings (will be merged)
 scope: .
@@ -52,7 +54,7 @@ users:
    password: "{env}ENV_PASSWORD"
  - username: basic
    password: basic
-    modify:   false
+    modify: false
    rules:
      - regex: false
        allow: false
@@ -76,17 +78,22 @@ The `allowed_*` properties are optional, the default value for each of them will

 ### Reverse Proxy Service
 When you use a reverse proxy implementation like `Nginx` or `Apache`, please note the following fields to avoid causing `502` errors
-```text
+
+```nginx
 location / {
-        proxy_pass http://127.0.0.1:8080;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header REMOTE-HOST $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header Host $http_host;
-        proxy_redirect off;
-    }
+  proxy_pass http://127.0.0.1:8080;
+  proxy_set_header X-Real-IP $remote_addr;
+  proxy_set_header REMOTE-HOST $remote_addr;
+  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+  proxy_set_header Host $http_host;
+  proxy_redirect off;
+}
 ```

+## Contributing
+
+Feel free to open an issue or a pull request.
+
 ## License

-MIT © [Henrique Dias](https://hacdias.com)
+[MIT License](LICENSE) © [Henrique Dias](https://hacdias.com)
@@ -1,223 +0,0 @@
-package cmd
-
-import (
-	"errors"
-	"log"
-	"os"
-	"regexp"
-	"strconv"
-	"strings"
-
-	"github.com/hacdias/webdav/v4/lib"
-	"github.com/spf13/pflag"
-	v "github.com/spf13/viper"
-	"golang.org/x/net/webdav"
-)
-
-func parseRules(raw []interface{}, defaultModify bool) []*lib.Rule {
-	rules := []*lib.Rule{}
-
-	for _, v := range raw {
-		if r, ok := v.(map[interface{}]interface{}); ok {
-			rule := &lib.Rule{
-				Regex:  false,
-				Allow:  false,
-				Modify: defaultModify,
-				Path:   "",
-			}
-
-			if regex, ok := r["regex"].(bool); ok {
-				rule.Regex = regex
-			}
-
-			if allow, ok := r["allow"].(bool); ok {
-				rule.Allow = allow
-			}
-
-			if modify, ok := r["modify"].(bool); ok {
-				rule.Modify = modify
-				if modify {
-					rule.Allow = true
-				}
-			}
-
-			path, ok := r["path"].(string)
-			if !ok {
-				continue
-			}
-
-			if rule.Regex {
-				rule.Regexp = regexp.MustCompile(path)
-			} else {
-				rule.Path = path
-			}
-
-			rules = append(rules, rule)
-		}
-	}
-
-	return rules
-}
-
-func loadFromEnv(v string) (string, error) {
-	v = strings.TrimPrefix(v, "{env}")
-	if v == "" {
-		return "", errors.New("no environment variable specified")
-	}
-
-	v = os.Getenv(v)
-	if v == "" {
-		return "", errors.New("the environment variable is empty")
-	}
-
-	return v, nil
-}
-
-func parseUsers(raw []interface{}, c *lib.Config) {
-	var err error
-	for _, v := range raw {
-		if u, ok := v.(map[interface{}]interface{}); ok {
-			username, ok := u["username"].(string)
-			if !ok {
-				log.Fatal("user needs an username")
-			}
-
-			if strings.HasPrefix(username, "{env}") {
-				username, err = loadFromEnv(username)
-				checkErr(err)
-			}
-
-			password, ok := u["password"].(string)
-			if !ok {
-				password = ""
-
-				if numPwd, ok := u["password"].(int); ok {
-					password = strconv.Itoa(numPwd)
-				}
-			}
-
-			if strings.HasPrefix(password, "{env}") {
-				password, err = loadFromEnv(password)
-				checkErr(err)
-			}
-
-			user := &lib.User{
-				Username: username,
-				Password: password,
-				Scope:    c.User.Scope,
-				Modify:   c.User.Modify,
-				Rules:    c.User.Rules,
-			}
-
-			if scope, ok := u["scope"].(string); ok {
-				user.Scope = scope
-			}
-
-			if modify, ok := u["modify"].(bool); ok {
-				user.Modify = modify
-			}
-
-			if rules, ok := u["rules"].([]interface{}); ok {
-				user.Rules = append(c.User.Rules, parseRules(rules, user.Modify)...)
-			}
-
-			user.Handler = &webdav.Handler{
-				Prefix: c.User.Handler.Prefix,
-				FileSystem: lib.WebDavDir{
-					Dir:     webdav.Dir(user.Scope),
-					NoSniff: c.NoSniff,
-				},
-				LockSystem: webdav.NewMemLS(),
-			}
-
-			c.Users[username] = user
-		}
-	}
-}
-
-func parseCors(cfg map[string]interface{}, c *lib.Config) {
-	cors := lib.CorsCfg{
-		Enabled:     cfg["enabled"].(bool),
-		Credentials: cfg["credentials"].(bool),
-	}
-
-	cors.AllowedHeaders = corsProperty("allowed_headers", cfg)
-	cors.AllowedHosts = corsProperty("allowed_hosts", cfg)
-	cors.AllowedMethods = corsProperty("allowed_methods", cfg)
-	cors.ExposedHeaders = corsProperty("exposed_headers", cfg)
-
-	c.Cors = cors
-}
-
-func corsProperty(property string, cfg map[string]interface{}) []string {
-	var def []string
-
-	if property == "exposed_headers" {
-		def = []string{}
-	} else {
-		def = []string{"*"}
-	}
-
-	if allowed, ok := cfg[property].([]interface{}); ok {
-		items := make([]string, len(allowed))
-
-		for idx, a := range allowed {
-			items[idx] = a.(string)
-		}
-
-		if len(items) == 0 {
-			return def
-		}
-
-		return items
-	}
-
-	return def
-}
-
-func readConfig(flags *pflag.FlagSet) *lib.Config {
-	cfg := &lib.Config{
-		User: &lib.User{
-			Scope:  getOpt(flags, "scope"),
-			Modify: getOptB(flags, "modify"),
-			Rules:  []*lib.Rule{},
-			Handler: &webdav.Handler{
-				Prefix: getOpt(flags, "prefix"),
-				FileSystem: lib.WebDavDir{
-					Dir:     webdav.Dir(getOpt(flags, "scope")),
-					NoSniff: getOptB(flags, "nosniff"),
-				},
-				LockSystem: webdav.NewMemLS(),
-			},
-		},
-		Auth:    getOptB(flags, "auth"),
-		NoSniff: getOptB(flags, "nosniff"),
-		Cors: lib.CorsCfg{
-			Enabled:     false,
-			Credentials: false,
-		},
-		Users:     map[string]*lib.User{},
-		LogFormat: getOpt(flags, "log_format"),
-	}
-
-	rawRules := v.Get("rules")
-	if rules, ok := rawRules.([]interface{}); ok {
-		cfg.User.Rules = parseRules(rules, cfg.User.Modify)
-	}
-
-	rawUsers := v.Get("users")
-	if users, ok := rawUsers.([]interface{}); ok {
-		parseUsers(users, cfg)
-	}
-
-	rawCors := v.Get("cors")
-	if cors, ok := rawCors.(map[string]interface{}); ok {
-		parseCors(cors, cfg)
-	}
-
-	if len(cfg.Users) != 0 && !cfg.Auth {
-		log.Print("Users will be ignored due to auth=false")
-	}
-
-	return cfg
-}
@@ -1,32 +1,30 @@
 package cmd

 import (
-	"log"
+	"errors"
+	"fmt"
 	"net"
 	"net/http"
+	"os"
+	"os/signal"
 	"strings"
+	"syscall"

+	"github.com/hacdias/webdav/v4/lib"
 	"github.com/spf13/cobra"
-	v "github.com/spf13/viper"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 )

-var (
-	cfgFile string
-)
-
 func init() {
-	cobra.OnInitialize(initConfig)
-
 	flags := rootCmd.Flags()
-	flags.StringVarP(&cfgFile, "config", "c", "", "config file path")
-	flags.BoolP("tls", "t", false, "enable tls")
-	flags.Bool("auth", true, "enable auth")
-	flags.String("cert", "cert.pem", "TLS certificate")
-	flags.String("key", "key.pem", "TLS key")
-	flags.StringP("address", "a", "0.0.0.0", "address to listen to")
-	flags.StringP("port", "p", "0", "port to listen to")
+	flags.StringP("config", "c", "", "config file path")
+	flags.BoolP("tls", "t", false, "enable TLS")
+	flags.Bool("auth", false, "enable authentication")
+	flags.String("cert", "cert.pem", "path to TLS certificate")
+	flags.String("key", "key.pem", "path to TLS key")
+	flags.StringP("address", "a", "0.0.0.0", "address to listen on")
+	flags.StringP("port", "p", "0", "port to listen on")
 	flags.StringP("prefix", "P", "/", "URL path prefix")
 	flags.String("log_format", "console", "logging format")
 }
@@ -50,74 +48,98 @@ The precedence of the configuration values are as follows:
 The environment variables are prefixed by "WD_" followed by the option
 name in caps. So to set "cert" via an env variable, you should
 set WD_CERT.`,
-	Run: func(cmd *cobra.Command, args []string) {
+	RunE: func(cmd *cobra.Command, args []string) error {
 		flags := cmd.Flags()

-		cfg := readConfig(flags)
+		cfgFilename, _ := flags.GetString("config")

-		// Build address and listener
-		laddr := getOpt(flags, "address")
-		var lnet string
-		if strings.HasPrefix(laddr, "unix:") {
-			laddr = laddr[5:]
-			lnet = "unix"
-		} else {
-			laddr = laddr + ":" + getOpt(flags, "port")
-			lnet = "tcp"
-		}
-		listener, err := net.Listen(lnet, laddr)
+		cfg, err := lib.ParseConfig(cfgFilename, flags)
 		if err != nil {
-			log.Fatal(err)
+			return err
 		}
-		loggerConfig := zap.NewProductionConfig()
-		loggerConfig.DisableCaller = true
-		loggerConfig.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
-		loggerConfig.Encoding = cfg.LogFormat
-		logger, err := loggerConfig.Build()
+
+		// Create HTTP handler from the config
+		handler, err := lib.NewHandler(cfg)
 		if err != nil {
-			// if we fail to configure proper logging, then the user has deliberately
-			// misconfigured the logger. Abort.
-			panic(err)
+			return err
 		}
-		zap.ReplaceGlobals(logger)
+
+		// Setup the logger based on the configuration
+		err = setupLogger(cfg)
+		if err != nil {
+			return err
+		}
+
 		defer func() {
+			// Flush the logger at the end
 			_ = zap.L().Sync()
 		}()
-		// Tell the user the port in which is listening.
-		zap.L().Info("Listening", zap.String("address", listener.Addr().String()))

-		// Starts the server.
-		if getOptB(flags, "tls") {
-			if err := http.ServeTLS(listener, cfg, getOpt(flags, "cert"), getOpt(flags, "key")); err != nil {
-				zap.L().Fatal("shutting server", zap.Error(err))
-			}
-		} else {
-			if err := http.Serve(listener, cfg); err != nil {
-				zap.L().Fatal("shutting server", zap.Error(err))
-			}
+		// Build listener
+		listener, err := getListener(cfg)
+		if err != nil {
+			return err
 		}
+
+		// Trap exiting signals
+		quit := make(chan os.Signal, 1)
+
+		go func() {
+			zap.L().Info("listening", zap.String("address", listener.Addr().String()))
+
+			var err error
+			if cfg.TLS {
+				err = http.ServeTLS(listener, handler, cfg.Cert, cfg.Key)
+			} else {
+				err = http.Serve(listener, handler)
+			}
+
+			if err != nil && !errors.Is(err, http.ErrServerClosed) {
+				zap.L().Error("failed to start server", zap.Error(err))
+			}
+
+			quit <- os.Interrupt
+		}()
+
+		signal.Notify(quit, os.Interrupt, syscall.SIGTERM)
+		signal := <-quit
+
+		zap.L().Info("caught signal, shutting down", zap.Stringer("signal", signal))
+		_ = listener.Close()
+
+		return nil
 	},
 }

-func initConfig() {
-	if cfgFile == "" {
-		v.AddConfigPath(".")
-		v.AddConfigPath("/etc/webdav/")
-		v.SetConfigName("config")
+func getListener(cfg *lib.Config) (net.Listener, error) {
+	var (
+		address string
+		network string
+	)
+
+	if strings.HasPrefix(cfg.Address, "unix:") {
+		address = cfg.Address[5:]
+		network = "unix"
 	} else {
-		v.SetConfigFile(cfgFile)
+		address = fmt.Sprintf("%s:%d", cfg.Address, cfg.Port)
+		network = "tcp"
 	}

-	v.SetEnvPrefix("WD")
-	v.AutomaticEnv()
-	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	return net.Listen(network, address)
+}

-	if err := v.ReadInConfig(); err != nil {
-		if _, ok := err.(v.ConfigParseError); ok {
-			panic(err)
-		}
-		cfgFile = "No config file used"
-	} else {
-		cfgFile = "Using config file: " + v.ConfigFileUsed()
+func setupLogger(cfg *lib.Config) error {
+	loggerConfig := zap.NewProductionConfig()
+	loggerConfig.DisableCaller = true
+	if cfg.Debug {
+		loggerConfig.Level = zap.NewAtomicLevelAt(zap.DebugLevel)
 	}
+	loggerConfig.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
+	loggerConfig.Encoding = cfg.LogFormat
+	logger, err := loggerConfig.Build()
+	if err != nil {
+		return err
+	}
+	zap.ReplaceGlobals(logger)
+	return nil
 }
@@ -6,14 +6,14 @@ import (
 	"github.com/spf13/cobra"
 )

-var version = "(untracked)"
+var version = "untracked"

 func init() {
 	rootCmd.AddCommand(&cobra.Command{
 		Use:   "version",
 		Short: "Print the version number",
 		Run: func(cmd *cobra.Command, args []string) {
-			fmt.Println("WebDAV version " + version)
+			fmt.Printf("WebDAV version: %s\n", version)
 		},
 	})
 }
@@ -1,55 +0,0 @@
-package cmd
-
-import (
-	"log"
-
-	"github.com/spf13/pflag"
-	v "github.com/spf13/viper"
-)
-
-// getOption returns a parameter as a string.
-//
-// NOTE: we could simply bind the flags to viper and use IsSet.
-// Although there is a bug on Viper that always returns true on IsSet
-// if a flag is binded. Our alternative way is to manually check
-// the flag and then the value from env/config/gotten by viper.
-// https://github.com/spf13/viper/pull/331
-func getOpt(flags *pflag.FlagSet, key string) string {
-	value, _ := flags.GetString(key)
-
-	// If set on Flags, use it.
-	if flags.Changed(key) {
-		return value
-	}
-
-	// If set through viper (env, config), return it.
-	if v.IsSet(key) {
-		return v.GetString(key)
-	}
-
-	// Otherwise use default value on flags.
-	return value
-}
-
-func getOptB(flags *pflag.FlagSet, key string) bool {
-	value, _ := flags.GetBool(key)
-
-	// If set on Flags, use it.
-	if flags.Changed(key) {
-		return value
-	}
-
-	// If set through viper (env, config), return it.
-	if v.IsSet(key) {
-		return v.GetBool(key)
-	}
-
-	// Otherwise use default value on flags.
-	return value
-}
-
-func checkErr(err error) {
-	if err != nil {
-		log.Fatal(err)
-	}
-}
@@ -1,23 +1,39 @@
 module github.com/hacdias/webdav/v4

-go 1.16
+go 1.22

 require (
-	github.com/fsnotify/fsnotify v1.4.9 // indirect
-	github.com/magiconair/properties v1.8.5 // indirect
-	github.com/mitchellh/mapstructure v1.4.1 // indirect
-	github.com/pelletier/go-toml v1.9.3 // indirect
-	github.com/spf13/afero v1.6.0 // indirect
-	github.com/spf13/cast v1.3.1 // indirect
-	github.com/spf13/cobra v1.1.3
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/rs/cors v1.11.0
+	github.com/spf13/cobra v1.8.1
 	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.7.1
-	go.uber.org/zap v1.19.0
-	golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a
-	golang.org/x/net v0.0.0-20210614182718-04defd469f4e
-	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
-	gopkg.in/ini.v1 v1.62.0 // indirect
+	github.com/spf13/viper v1.19.0
+	github.com/stretchr/testify v1.9.0
+	go.uber.org/zap v1.27.0
+	golang.org/x/crypto v0.25.0
+	golang.org/x/net v0.27.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/sagikazarmark/locafero v0.6.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	golang.org/x/exp v0.0.0-20240716175740-e3f259677ff7 // indirect
+	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

 retract v4.1.0
@@ -1,355 +1,84 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
-github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
-github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
-github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
-github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
-github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
-github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
-github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
-github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
-github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
-github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
-github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
-github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
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@@ -0,0 +1,153 @@
+package lib
+
+import (
+	"errors"
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"github.com/spf13/pflag"
+	"github.com/spf13/viper"
+)
+
+type Config struct {
+	Permissions `mapstructure:",squash"`
+	Debug       bool
+	Address     string
+	Port        int
+	TLS         bool
+	Cert        string
+	Key         string
+	Prefix      string
+	NoSniff     bool
+	LogFormat   string
+	Auth        bool
+	CORS        CORS
+	Users       []User
+}
+
+func ParseConfig(filename string, flags *pflag.FlagSet) (*Config, error) {
+	v := viper.New()
+
+	// Configure flags bindings
+	if flags != nil {
+		err := v.BindPFlags(flags)
+		if err != nil {
+			return nil, err
+		}
+
+		err = v.BindPFlag("LogFormat", flags.Lookup("log_format"))
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	// Configuration file settings
+	v.AddConfigPath(".")
+	v.AddConfigPath("/etc/webdav/")
+	v.SetConfigName("config")
+	if filename != "" {
+		v.SetConfigFile(filename)
+	}
+
+	// Environment settings
+	v.SetEnvPrefix("wd")
+	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	v.AutomaticEnv()
+
+	// Defaults
+	v.SetDefault("CORS.AllowedHeaders", []string{"*"})
+	v.SetDefault("CORS.AllowedHosts", []string{"*"})
+	v.SetDefault("CORS.AllowedMethods", []string{"*"})
+
+	// Read and unmarshal configuration
+	err := v.ReadInConfig()
+	if err != nil {
+		if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
+			return nil, err
+		}
+	}
+
+	cfg := &Config{}
+	err = v.Unmarshal(cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	// Cascade user settings
+	for i := range cfg.Users {
+		if !v.IsSet(fmt.Sprintf("Users.%d.Scope", i)) {
+			cfg.Users[i].Scope = cfg.Scope
+		}
+
+		if !v.IsSet(fmt.Sprintf("Users.%d.Modify", i)) {
+			cfg.Users[i].Modify = cfg.Modify
+		}
+
+		if !v.IsSet(fmt.Sprintf("Users.%d.Rules", i)) {
+			cfg.Users[i].Rules = cfg.Rules
+		}
+	}
+
+	err = cfg.Validate()
+	if err != nil {
+		return nil, err
+	}
+
+	return cfg, nil
+}
+
+func (c *Config) Validate() error {
+	var err error
+
+	if c.Auth && len(c.Users) == 0 {
+		return errors.New("invalid config: auth cannot be enabled without users")
+	}
+
+	if !c.Auth && len(c.Users) != 0 {
+		return errors.New("invalid config: auth cannot be disabled with users defined")
+	}
+
+	if c.TLS {
+		if c.Cert == "" {
+			return errors.New("invalid config: Cert must be defined if TLS is activated")
+		}
+
+		if c.Key == "" {
+			return errors.New("invalid config: Key must be defined if TLS is activated")
+		}
+
+		c.Cert, err = filepath.Abs(c.Cert)
+		if err != nil {
+			return fmt.Errorf("invalid config: %w", err)
+		}
+
+		c.Key, err = filepath.Abs(c.Key)
+		if err != nil {
+			return fmt.Errorf("invalid config: %w", err)
+		}
+	}
+
+	err = c.Permissions.Validate()
+	if err != nil {
+		return fmt.Errorf("invalid config: %w", err)
+	}
+
+	for _, u := range c.Users {
+		err := u.Validate()
+		if err != nil {
+			return fmt.Errorf("invalid config: %w", err)
+		}
+	}
+
+	return nil
+}
+
+type CORS struct {
+	Enabled        bool
+	Credentials    bool
+	AllowedHeaders []string
+	AllowedHosts   []string
+	AllowedMethods []string
+	ExposedHeaders []string
+}
@@ -0,0 +1,71 @@
+package lib
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func writeAndParseConfig(t *testing.T, content string) *Config {
+	tmpDir := t.TempDir()
+	tmpFile := filepath.Join(tmpDir, "config.yml")
+
+	err := os.WriteFile(tmpFile, []byte(content), 0666)
+	require.NoError(t, err)
+
+	cfg, err := ParseConfig(tmpFile, nil)
+	require.NoError(t, err)
+
+	return cfg
+}
+
+func TestConfigDefaults(t *testing.T) {
+	t.Parallel()
+
+	cfg := writeAndParseConfig(t, "")
+	require.NoError(t, cfg.Validate())
+
+	require.EqualValues(t, []string{"*"}, cfg.CORS.AllowedHeaders)
+	require.EqualValues(t, []string{"*"}, cfg.CORS.AllowedHosts)
+	require.EqualValues(t, []string{"*"}, cfg.CORS.AllowedMethods)
+}
+
+func TestConfigCascade(t *testing.T) {
+	t.Parallel()
+
+	content := `
+auth: true
+scope: /
+modify: true
+rules:
+  - path: /public/access/
+    modify: true
+
+users:
+  - username: admin
+    password: admin
+  - username: basic
+    password: basic
+    scope: /basic
+    modify: false
+    rules: []`
+
+	cfg := writeAndParseConfig(t, content)
+	require.NoError(t, cfg.Validate())
+
+	require.True(t, cfg.Modify)
+	require.Equal(t, "/", cfg.Scope)
+	require.Len(t, cfg.Rules, 1)
+
+	require.Len(t, cfg.Users, 2)
+
+	require.True(t, cfg.Users[0].Modify)
+	require.Equal(t, "/", cfg.Users[0].Scope)
+	require.Len(t, cfg.Users[0].Rules, 1)
+
+	require.False(t, cfg.Users[1].Modify)
+	require.Equal(t, "/basic", cfg.Users[1].Scope)
+	require.Len(t, cfg.Users[1].Rules, 0)
+}
@@ -9,12 +9,44 @@ import (
 	"golang.org/x/net/webdav"
 )

-// NoSniffFileInfo wraps any generic FileInfo interface and bypasses mime type sniffing.
-type NoSniffFileInfo struct {
+type Dir struct {
+	webdav.Dir
+	noSniff bool
+}
+
+func (d Dir) Stat(ctx context.Context, name string) (os.FileInfo, error) {
+	// Skip wrapping if NoSniff is off
+	if !d.noSniff {
+		return d.Dir.Stat(ctx, name)
+	}
+
+	info, err := d.Dir.Stat(ctx, name)
+	if err != nil {
+		return nil, err
+	}
+
+	return noSniffFileInfo{info}, nil
+}
+
+func (d Dir) OpenFile(ctx context.Context, name string, flag int, perm os.FileMode) (webdav.File, error) {
+	// Skip wrapping if NoSniff is off
+	if !d.noSniff {
+		return d.Dir.OpenFile(ctx, name, flag, perm)
+	}
+
+	file, err := d.Dir.OpenFile(ctx, name, flag, perm)
+	if err != nil {
+		return nil, err
+	}
+
+	return noSniffFile{File: file}, nil
+}
+
+type noSniffFileInfo struct {
 	os.FileInfo
 }

-func (w NoSniffFileInfo) ContentType(ctx context.Context) (contentType string, err error) {
+func (w noSniffFileInfo) ContentType(ctx context.Context) (contentType string, err error) {
 	if mimeType := mime.TypeByExtension(path.Ext(w.FileInfo.Name())); mimeType != "" {
 		// We can figure out the mime from the extension.
 		return mimeType, nil
@@ -24,60 +56,27 @@ func (w NoSniffFileInfo) ContentType(ctx context.Context) (contentType string, e
 	}
 }

-type WebDavDir struct {
-	webdav.Dir
-	NoSniff bool
-}
-
-func (d WebDavDir) Stat(ctx context.Context, name string) (os.FileInfo, error) {
-	// Skip wrapping if NoSniff is off
-	if !d.NoSniff {
-		return d.Dir.Stat(ctx, name)
-	}
-
-	info, err := d.Dir.Stat(ctx, name)
-	if err != nil {
-		return nil, err
-	}
-
-	return NoSniffFileInfo{info}, nil
-}
-
-func (d WebDavDir) OpenFile(ctx context.Context, name string, flag int, perm os.FileMode) (webdav.File, error) {
-	// Skip wrapping if NoSniff is off
-	if !d.NoSniff {
-		return d.Dir.OpenFile(ctx, name, flag, perm)
-	}
-
-	file, err := d.Dir.OpenFile(ctx, name, flag, perm)
-	if err != nil {
-		return nil, err
-	}
-
-	return WebDavFile{File: file}, nil
-}
-
-type WebDavFile struct {
+type noSniffFile struct {
 	webdav.File
 }

-func (f WebDavFile) Stat() (os.FileInfo, error) {
+func (f noSniffFile) Stat() (os.FileInfo, error) {
 	info, err := f.File.Stat()
 	if err != nil {
 		return nil, err
 	}

-	return NoSniffFileInfo{info}, nil
+	return noSniffFileInfo{info}, nil
 }

-func (f WebDavFile) Readdir(count int) (fis []os.FileInfo, err error) {
+func (f noSniffFile) Readdir(count int) (fis []os.FileInfo, err error) {
 	fis, err = f.File.Readdir(count)
 	if err != nil {
 		return nil, err
 	}

 	for i := range fis {
-		fis[i] = NoSniffFileInfo{fis[i]}
+		fis[i] = noSniffFileInfo{fis[i]}
 	}
 	return fis, nil
 }
@@ -0,0 +1,133 @@
+package lib
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/rs/cors"
+	"go.uber.org/zap"
+	"golang.org/x/net/webdav"
+)
+
+type handlerUser struct {
+	User
+	webdav.Handler
+}
+
+type Handler struct {
+	*Config
+	user  *handlerUser
+	users map[string]*handlerUser
+}
+
+func NewHandler(c *Config) (http.Handler, error) {
+	h := &Handler{
+		user: &handlerUser{
+			User: User{
+				Permissions: c.Permissions,
+			},
+			Handler: webdav.Handler{
+				Prefix: c.Prefix,
+				FileSystem: Dir{
+					Dir:     webdav.Dir(c.Scope),
+					noSniff: c.NoSniff,
+				},
+				LockSystem: webdav.NewMemLS(),
+			},
+		},
+		users: map[string]*handlerUser{},
+	}
+
+	for _, u := range c.Users {
+		h.users[u.Username] = &handlerUser{
+			User: u,
+			Handler: webdav.Handler{
+				Prefix: c.Prefix,
+				FileSystem: Dir{
+					Dir:     webdav.Dir(u.Scope),
+					noSniff: c.NoSniff,
+				},
+				LockSystem: webdav.NewMemLS(),
+			},
+		}
+	}
+
+	if c.CORS.Enabled {
+		return cors.New(cors.Options{
+			AllowCredentials:   c.CORS.Credentials,
+			AllowedOrigins:     c.CORS.AllowedHosts,
+			AllowedMethods:     c.CORS.AllowedMethods,
+			AllowedHeaders:     c.CORS.AllowedHeaders,
+			OptionsPassthrough: false,
+		}).Handler(h), nil
+	}
+
+	return h, nil
+}
+
+// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
+func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	user := h.user
+
+	// Authentication
+	if h.Auth {
+		w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
+
+		// Gets the correct user for this request.
+		username, password, ok := r.BasicAuth()
+		zap.L().Info("login attempt", zap.String("username", username), zap.String("remote_address", r.RemoteAddr))
+		if !ok {
+			http.Error(w, "Not authorized", http.StatusUnauthorized)
+			return
+		}
+
+		user, ok = h.users[username]
+		if !ok {
+			http.Error(w, "Not authorized", http.StatusUnauthorized)
+			return
+		}
+
+		if !user.checkPassword(password) {
+			zap.L().Info("invalid password", zap.String("username", username), zap.String("remote_address", r.RemoteAddr))
+			http.Error(w, "Not authorized", http.StatusUnauthorized)
+			return
+		}
+
+		zap.L().Info("user authorized", zap.String("username", username))
+	}
+
+	// Checks for user permissions relatively to this PATH.
+	allowed := user.Allowed(r)
+
+	zap.L().Debug("allowed & method & path", zap.Bool("allowed", allowed), zap.String("method", r.Method), zap.String("path", r.URL.Path))
+
+	if !allowed {
+		w.WriteHeader(http.StatusForbidden)
+		return
+	}
+
+	if r.Method == "HEAD" {
+		w = newResponseWriterNoBody(w)
+	}
+
+	// Excerpt from RFC4918, section 9.4:
+	//
+	// 		GET, when applied to a collection, may return the contents of an
+	//		"index.html" resource, a human-readable view of the contents of
+	//		the collection, or something else altogether.
+	//
+	// Get, when applied to collection, will return the same as PROPFIND method.
+	if r.Method == "GET" && strings.HasPrefix(r.URL.Path, user.Prefix) {
+		info, err := user.FileSystem.Stat(r.Context(), strings.TrimPrefix(r.URL.Path, user.Prefix))
+		if err == nil && info.IsDir() {
+			r.Method = "PROPFIND"
+
+			if r.Header.Get("Depth") == "" {
+				r.Header.Add("Depth", "1")
+			}
+		}
+	}
+
+	// Runs the WebDAV.
+	user.ServeHTTP(w, r)
+}
@@ -0,0 +1,85 @@
+package lib
+
+import (
+	"fmt"
+	"net/http"
+	"regexp"
+	"strings"
+)
+
+var readMethods = []string{
+	http.MethodGet,
+	http.MethodHead,
+	http.MethodOptions,
+	"PROPFIND",
+}
+
+type Rule struct {
+	Regex  bool
+	Allow  bool
+	Modify bool
+	Path   string
+	// TODO: remove Regex and replace by this. It encodes
+	Regexp *regexp.Regexp `mapstructure:"-"`
+}
+
+func (r *Rule) Validate() error {
+	if r.Regex {
+		rp, err := regexp.Compile(r.Path)
+		if err != nil {
+			return fmt.Errorf("invalid rule: %w", err)
+		}
+		r.Regexp = rp
+		r.Path = ""
+	}
+
+	return nil
+}
+
+// Matches checks if [Rule] matches the given path.
+func (r *Rule) Matches(path string) bool {
+	if r.Regex {
+		return r.Regexp.MatchString(path)
+	}
+
+	return strings.HasPrefix(path, r.Path)
+}
+
+type Permissions struct {
+	Scope  string
+	Modify bool
+	Rules  []*Rule
+}
+
+// Allowed checks if the user has permission to access a directory/file
+func (p Permissions) Allowed(r *http.Request) bool {
+	// Determine whether or not it is a read or write request.
+	readRequest := false
+	for _, method := range readMethods {
+		if r.Method == method {
+			readRequest = true
+			break
+		}
+	}
+
+	// Go through rules beginning from the last one.
+	for i := len(p.Rules) - 1; i >= 0; i-- {
+		rule := p.Rules[i]
+
+		if rule.Matches(r.URL.Path) {
+			return rule.Allow && (readRequest || rule.Modify)
+		}
+	}
+
+	return readRequest || p.Modify
+}
+
+func (p *Permissions) Validate() error {
+	for _, r := range p.Rules {
+		if err := r.Validate(); err != nil {
+			return fmt.Errorf("invalid permissions: %w", err)
+		}
+	}
+
+	return nil
+}
@@ -0,0 +1,27 @@
+package lib
+
+import "net/http"
+
+var _ http.ResponseWriter = responseWriterNoBody{}
+
+// responseWriterNoBody is a wrapper used to suppress the body of the response
+// to a request. Mainly used for HEAD requests.
+type responseWriterNoBody struct {
+	http.ResponseWriter
+}
+
+// newResponseWriterNoBody creates a new responseWriterNoBody.
+func newResponseWriterNoBody(w http.ResponseWriter) *responseWriterNoBody {
+	return &responseWriterNoBody{w}
+}
+
+// Write suppress the body.
+func (w responseWriterNoBody) Write(data []byte) (int, error) {
+	return 0, nil
+}
+
+// WriteHeader writes the header to the http.ResponseWriter.
+func (w responseWriterNoBody) WriteHeader(statusCode int) {
+	w.Header().Del("Content-Length")
+	w.ResponseWriter.WriteHeader(statusCode)
+}
@@ -1,50 +1,52 @@
 package lib

 import (
-	"regexp"
+	"errors"
+	"fmt"
+	"os"
 	"strings"

-	"golang.org/x/net/webdav"
+	"golang.org/x/crypto/bcrypt"
 )

-// Rule is a dissalow/allow rule.
-type Rule struct {
-	Regex  bool
-	Allow  bool
-	Modify bool
-	Path   string
-	Regexp *regexp.Regexp
-}
-
-// User contains the settings of each user.
 type User struct {
-	Username string
-	Password string
-	Scope    string
-	Modify   bool
-	Rules    []*Rule
-	Handler  *webdav.Handler
+	Permissions `mapstructure:",squash"`
+	Username    string
+	Password    string
 }

-// Allowed checks if the user has permission to access a directory/file
-func (u User) Allowed(url string, noModification bool) bool {
-	var rule *Rule
-	i := len(u.Rules) - 1
-
-	for i >= 0 {
-		rule = u.Rules[i]
-
-		isAllowed := rule.Allow && (noModification || rule.Modify)
-		if rule.Regex {
-			if rule.Regexp.MatchString(url) {
-				return isAllowed
-			}
-		} else if strings.HasPrefix(url, rule.Path) {
-			return isAllowed
-		}
-
-		i--
+func (u User) checkPassword(input string) bool {
+	if strings.HasPrefix(u.Password, "{bcrypt}") {
+		savedPassword := strings.TrimPrefix(u.Password, "{bcrypt}")
+		return bcrypt.CompareHashAndPassword([]byte(savedPassword), []byte(input)) == nil
 	}

-	return noModification || u.Modify
+	return u.Password == input
+}
+
+func (u *User) Validate() error {
+	if u.Username == "" {
+		return errors.New("invalid user: username must be set")
+	}
+
+	if u.Password == "" {
+		return fmt.Errorf("invalid user %q: password must be set", u.Username)
+	} else if strings.HasPrefix(u.Password, "{env}") {
+
+		env := strings.TrimPrefix(u.Password, "{env}")
+		if env == "" {
+			return fmt.Errorf("invalid user %q: password environment variable not set", u.Username)
+		}
+
+		u.Password = os.Getenv(env)
+		if u.Password == "" {
+			return fmt.Errorf("invalid user %q: password environment variable is empty", u.Username)
+		}
+	}
+
+	if err := u.Permissions.Validate(); err != nil {
+		return fmt.Errorf("invalid user %q: %w", u.Username, err)
+	}
+
+	return nil
 }
@@ -1,25 +0,0 @@
-package lib
-
-import (
-	"strings"
-
-	"golang.org/x/crypto/bcrypt"
-)
-
-func checkPassword(saved, input string) bool {
-	if strings.HasPrefix(saved, "{bcrypt}") {
-		savedPassword := strings.TrimPrefix(saved, "{bcrypt}")
-		return bcrypt.CompareHashAndPassword([]byte(savedPassword), []byte(input)) == nil
-	}
-
-	return saved == input
-}
-
-func isAllowedHost(allowedHosts []string, origin string) bool {
-	for _, host := range allowedHosts {
-		if host == origin {
-			return true
-		}
-	}
-	return false
-}
@@ -1,176 +0,0 @@
-package lib
-
-import (
-	"context"
-	"net/http"
-	"strings"
-
-	"go.uber.org/zap"
-)
-
-// CorsCfg is the CORS config.
-type CorsCfg struct {
-	Enabled        bool
-	Credentials    bool
-	AllowedHeaders []string
-	AllowedHosts   []string
-	AllowedMethods []string
-	ExposedHeaders []string
-}
-
-// Config is the configuration of a WebDAV instance.
-type Config struct {
-	*User
-	Auth      bool
-	NoSniff   bool
-	Cors      CorsCfg
-	Users     map[string]*User
-	LogFormat string
-}
-
-// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
-func (c *Config) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	u := c.User
-	requestOrigin := r.Header.Get("Origin")
-
-	// Add CORS headers before any operation so even on a 401 unauthorized status, CORS will work.
-	if c.Cors.Enabled && requestOrigin != "" {
-		headers := w.Header()
-
-		allowedHeaders := strings.Join(c.Cors.AllowedHeaders, ", ")
-		allowedMethods := strings.Join(c.Cors.AllowedMethods, ", ")
-		exposedHeaders := strings.Join(c.Cors.ExposedHeaders, ", ")
-
-		allowAllHosts := len(c.Cors.AllowedHosts) == 1 && c.Cors.AllowedHosts[0] == "*"
-		allowedHost := isAllowedHost(c.Cors.AllowedHosts, requestOrigin)
-
-		if allowAllHosts {
-			headers.Set("Access-Control-Allow-Origin", "*")
-		} else if allowedHost {
-			headers.Set("Access-Control-Allow-Origin", requestOrigin)
-		}
-
-		if allowAllHosts || allowedHost {
-			headers.Set("Access-Control-Allow-Headers", allowedHeaders)
-			headers.Set("Access-Control-Allow-Methods", allowedMethods)
-
-			if c.Cors.Credentials {
-				headers.Set("Access-Control-Allow-Credentials", "true")
-			}
-
-			if len(c.Cors.ExposedHeaders) > 0 {
-				headers.Set("Access-Control-Expose-Headers", exposedHeaders)
-			}
-		}
-	}
-
-	if r.Method == "OPTIONS" && c.Cors.Enabled && requestOrigin != "" {
-		return
-	}
-
-	// Authentication
-	if c.Auth {
-		w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
-
-		// Gets the correct user for this request.
-		username, password, ok := r.BasicAuth()
-		zap.L().Info("login attempt", zap.String("username", username), zap.String("remote_address", r.RemoteAddr))
-		if !ok {
-			http.Error(w, "Not authorized", 401)
-			return
-		}
-
-		user, ok := c.Users[username]
-		if !ok {
-			http.Error(w, "Not authorized", 401)
-			return
-		}
-
-		if !checkPassword(user.Password, password) {
-			zap.L().Info("invalid password", zap.String("username", username), zap.String("remote_address", r.RemoteAddr))
-			http.Error(w, "Not authorized", 401)
-			return
-		}
-
-		u = user
-		zap.L().Info("user authorized", zap.String("username", username))
-	} else {
-		// Even if Auth is disabled, we might want to get
-		// the user from the Basic Auth header. Useful for Caddy
-		// plugin implementation.
-		username, _, ok := r.BasicAuth()
-		if ok {
-			if user, ok := c.Users[username]; ok {
-				u = user
-			}
-		}
-	}
-
-	// Checks for user permissions relatively to this PATH.
-	noModification := r.Method == "GET" ||
-		r.Method == "HEAD" ||
-		r.Method == "OPTIONS" ||
-		r.Method == "PROPFIND" ||
-		r.Method == "PUT" ||
-		r.Method == "LOCK" ||
-		r.Method == "UNLOCK" ||
-		r.Method == "MOVE" ||
-		r.Method == "DELETE"
-
-	if !u.Allowed(r.URL.Path, noModification) {
-		w.WriteHeader(http.StatusForbidden)
-		return
-	}
-
-	if r.Method == "HEAD" {
-		w = newResponseWriterNoBody(w)
-	}
-
-	// Excerpt from RFC4918, section 9.4:
-	//
-	// 		GET, when applied to a collection, may return the contents of an
-	//		"index.html" resource, a human-readable view of the contents of
-	//		the collection, or something else altogether.
-	//
-	// Get, when applied to collection, will return the same as PROPFIND method.
-	if r.Method == "GET" && strings.HasPrefix(r.URL.Path, u.Handler.Prefix) {
-		info, err := u.Handler.FileSystem.Stat(context.TODO(), strings.TrimPrefix(r.URL.Path, u.Handler.Prefix))
-		if err == nil && info.IsDir() {
-			r.Method = "PROPFIND"
-
-			if r.Header.Get("Depth") == "" {
-				r.Header.Add("Depth", "1")
-			}
-		}
-	}
-
-	// Runs the WebDAV.
-	//u.Handler.LockSystem = webdav.NewMemLS()
-	u.Handler.ServeHTTP(w, r)
-}
-
-// responseWriterNoBody is a wrapper used to suprress the body of the response
-// to a request. Mainly used for HEAD requests.
-type responseWriterNoBody struct {
-	http.ResponseWriter
-}
-
-// newResponseWriterNoBody creates a new responseWriterNoBody.
-func newResponseWriterNoBody(w http.ResponseWriter) *responseWriterNoBody {
-	return &responseWriterNoBody{w}
-}
-
-// Header executes the Header method from the http.ResponseWriter.
-func (w responseWriterNoBody) Header() http.Header {
-	return w.ResponseWriter.Header()
-}
-
-// Write suprresses the body.
-func (w responseWriterNoBody) Write(data []byte) (int, error) {
-	return 0, nil
-}
-
-// WriteHeader writes the header to the http.ResponseWriter.
-func (w responseWriterNoBody) WriteHeader(statusCode int) {
-	w.ResponseWriter.WriteHeader(statusCode)
-}
Author	SHA1	Message	Date
Henrique Dias	d1691e1bd1	fix: docker workflow tags	2024-07-21 21:03:23 +02:00
Henrique Dias	5f685dbe98	ci: new goreleaser workflow (#157 )	2024-07-21 21:01:03 +02:00
Henrique Dias	85219df921	ci: use cache for docker builds	2024-07-21 20:53:06 +02:00
Henrique Dias	c125bedae1	refactor: code cleanup, stricter config validation (#155 )	2024-07-21 20:52:50 +02:00
Henrique Dias	46d54e4465	ci: fix docker image attestation	2024-07-21 20:45:14 +02:00
Henrique Dias	90c031846d	ci: new docker release workflows	2024-07-21 20:32:59 +02:00
Henrique Dias	968f2e147a	chore: update dependencies	2024-07-21 19:47:04 +02:00
Henrique Dias	6f4be12e8c	ci: updated build and lint workflows (#152 )	2024-07-21 19:43:30 +02:00
zmaplex	9433dbd452	fix: correctly close the listener	2024-07-18 21:24:08 +02:00
Henrique Dias	f0ca85e570	docs: add disclaimer	2022-09-26 11:58:28 +02:00
Ethan Davis	436a3b05a1	fix: 'modify:false' is respected	2022-01-18 15:17:20 +01:00
Rui Sun	1a610b17ba	feat: add armv7 support	2022-01-18 15:17:01 +01:00