feat: readd caddy to this repo

Former-commit-id: cf48e35cd8c5ceff57d1353c75ffacd1de96e9ad [formerly d62bc138c736881547184977110cd622f2d31847] [formerly 4270b9fb5c907097ce6babffcedafccb5a8b6356 [formerly 385cfba0ff]]
Former-commit-id: 04e6142a81d677781664c9a79e960465fadd3eb4 [formerly 2152b2410fb078914c788bf7f15ca8028af54c58]
Former-commit-id: e88a3fce1b9d16421ce9c1aa9c63c90705878bd2

caddy/filemanager/filemanager.go

@@ -0,0 +1,52 @@
+package filemanager
+
+import (
+	"net/http"
+
+	"github.com/filebrowser/filebrowser"
+	"github.com/filebrowser/filebrowser/caddy/parser"
+	h "github.com/filebrowser/filebrowser/http"
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+func init() {
+	caddy.RegisterPlugin("filemanager", caddy.Plugin{
+		ServerType: "http",
+		Action:     setup,
+	})
+}
+
+type plugin struct {
+	Next    httpserver.Handler
+	Configs []*filebrowser.FileBrowser
+}
+
+// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
+func (f plugin) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
+	for i := range f.Configs {
+		// Checks if this Path should be handled by File Manager.
+		if !httpserver.Path(r.URL.Path).Matches(f.Configs[i].BaseURL) {
+			continue
+		}
+
+		h.Handler(f.Configs[i]).ServeHTTP(w, r)
+		return 0, nil
+	}
+
+	return f.Next.ServeHTTP(w, r)
+}
+
+// setup configures a new FileManager middleware instance.
+func setup(c *caddy.Controller) error {
+	configs, err := parser.Parse(c, "")
+	if err != nil {
+		return err
+	}
+
+	httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
+		return plugin{Configs: configs, Next: next}
+	})
+
+	return nil
+}

caddy/hugo/hugo.go

@@ -0,0 +1,52 @@
+package hugo
+
+import (
+	"net/http"
+
+	"github.com/filebrowser/filebrowser"
+	"github.com/filebrowser/filebrowser/caddy/parser"
+	h "github.com/filebrowser/filebrowser/http"
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+func init() {
+	caddy.RegisterPlugin("hugo", caddy.Plugin{
+		ServerType: "http",
+		Action:     setup,
+	})
+}
+
+type plugin struct {
+	Next    httpserver.Handler
+	Configs []*filebrowser.FileBrowser
+}
+
+// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
+func (f plugin) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
+	for i := range f.Configs {
+		// Checks if this Path should be handled by File Manager.
+		if !httpserver.Path(r.URL.Path).Matches(f.Configs[i].BaseURL) {
+			continue
+		}
+
+		h.Handler(f.Configs[i]).ServeHTTP(w, r)
+		return 0, nil
+	}
+
+	return f.Next.ServeHTTP(w, r)
+}
+
+// setup configures a new FileManager middleware instance.
+func setup(c *caddy.Controller) error {
+	configs, err := parser.Parse(c, "hugo")
+	if err != nil {
+		return err
+	}
+
+	httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
+		return plugin{Configs: configs, Next: next}
+	})
+
+	return nil
+}

caddy/jekyll/jekyll.go

@@ -0,0 +1,52 @@
+package jekyll
+
+import (
+	"net/http"
+
+	"github.com/filebrowser/filebrowser"
+	"github.com/filebrowser/filebrowser/caddy/parser"
+	h "github.com/filebrowser/filebrowser/http"
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+func init() {
+	caddy.RegisterPlugin("jekyll", caddy.Plugin{
+		ServerType: "http",
+		Action:     setup,
+	})
+}
+
+type plugin struct {
+	Next    httpserver.Handler
+	Configs []*filebrowser.FileBrowser
+}
+
+// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
+func (f plugin) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
+	for i := range f.Configs {
+		// Checks if this Path should be handled by File Manager.
+		if !httpserver.Path(r.URL.Path).Matches(f.Configs[i].BaseURL) {
+			continue
+		}
+
+		h.Handler(f.Configs[i]).ServeHTTP(w, r)
+		return 0, nil
+	}
+
+	return f.Next.ServeHTTP(w, r)
+}
+
+// setup configures a new FileManager middleware instance.
+func setup(c *caddy.Controller) error {
+	configs, err := parser.Parse(c, "jekyll")
+	if err != nil {
+		return err
+	}
+
+	httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
+		return plugin{Configs: configs, Next: next}
+	})
+
+	return nil
+}

caddy/parser/parser.go

@@ -0,0 +1,295 @@
+package parser
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"github.com/asdine/storm"
+	"github.com/filebrowser/filebrowser"
+	"github.com/filebrowser/filebrowser/bolt"
+	"github.com/filebrowser/filebrowser/staticgen"
+	"github.com/hacdias/fileutils"
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+var databases = map[string]*storm.DB{}
+
+// Parse ...
+func Parse(c *caddy.Controller, plugin string) ([]*filebrowser.FileBrowser, error) {
+	var (
+		configs []*filebrowser.FileBrowser
+		err     error
+	)
+
+	for c.Next() {
+		u := &filebrowser.User{
+			Locale:        "en",
+			AllowCommands: true,
+			AllowEdit:     true,
+			AllowNew:      true,
+			AllowPublish:  true,
+			Commands:      []string{"git", "svn", "hg"},
+			CSS:           "",
+			ViewMode:      "mosaic",
+			Rules: []*filebrowser.Rule{{
+				Regex:  true,
+				Allow:  false,
+				Regexp: &filebrowser.Regexp{Raw: "\\/\\..+"},
+			}},
+		}
+
+		baseURL := "/"
+		scope := "."
+		database := ""
+		noAuth := false
+		reCaptchaKey := ""
+		reCaptchaSecret := ""
+
+		if plugin != "" {
+			baseURL = "/admin"
+		}
+
+		// Get the baseURL and scope
+		args := c.RemainingArgs()
+
+		if plugin == "" {
+			if len(args) >= 1 {
+				baseURL = args[0]
+			}
+
+			if len(args) > 1 {
+				scope = args[1]
+			}
+		} else {
+			if len(args) >= 1 {
+				scope = args[0]
+			}
+
+			if len(args) > 1 {
+				baseURL = args[1]
+			}
+		}
+
+		for c.NextBlock() {
+			switch c.Val() {
+			case "database":
+				if !c.NextArg() {
+					return nil, c.ArgErr()
+				}
+
+				database = c.Val()
+			case "locale":
+				if !c.NextArg() {
+					return nil, c.ArgErr()
+				}
+
+				u.Locale = c.Val()
+			case "allow_commands":
+				if !c.NextArg() {
+					u.AllowCommands = true
+					continue
+				}
+
+				u.AllowCommands, err = strconv.ParseBool(c.Val())
+				if err != nil {
+					return nil, err
+				}
+			case "allow_edit":
+				if !c.NextArg() {
+					u.AllowEdit = true
+					continue
+				}
+
+				u.AllowEdit, err = strconv.ParseBool(c.Val())
+				if err != nil {
+					return nil, err
+				}
+			case "allow_new":
+				if !c.NextArg() {
+					u.AllowNew = true
+					continue
+				}
+
+				u.AllowNew, err = strconv.ParseBool(c.Val())
+				if err != nil {
+					return nil, err
+				}
+			case "allow_publish":
+				if !c.NextArg() {
+					u.AllowPublish = true
+					continue
+				}
+
+				u.AllowPublish, err = strconv.ParseBool(c.Val())
+				if err != nil {
+					return nil, err
+				}
+			case "commands":
+				if !c.NextArg() {
+					return nil, c.ArgErr()
+				}
+
+				u.Commands = strings.Split(c.Val(), " ")
+			case "css":
+				if !c.NextArg() {
+					return nil, c.ArgErr()
+				}
+
+				file := c.Val()
+				css, err := ioutil.ReadFile(file)
+				if err != nil {
+					return nil, err
+				}
+
+				u.CSS = string(css)
+			case "view_mode":
+				if !c.NextArg() {
+					return nil, c.ArgErr()
+				}
+
+				u.ViewMode = c.Val()
+				if u.ViewMode != filebrowser.MosaicViewMode && u.ViewMode != filebrowser.ListViewMode {
+					return nil, c.ArgErr()
+				}
+			case "recaptcha_key":
+				if !c.NextArg() {
+					return nil, c.ArgErr()
+				}
+
+				reCaptchaKey = c.Val()
+			case "recaptcha_secret":
+				if !c.NextArg() {
+					return nil, c.ArgErr()
+				}
+
+				reCaptchaSecret = c.Val()
+			case "no_auth":
+				if !c.NextArg() {
+					noAuth = true
+					continue
+				}
+
+				noAuth, err = strconv.ParseBool(c.Val())
+				if err != nil {
+					return nil, err
+				}
+			}
+		}
+
+		caddyConf := httpserver.GetConfig(c)
+
+		path := filepath.Join(caddy.AssetsPath(), "filemanager")
+		err := os.MkdirAll(path, 0700)
+		if err != nil {
+			return nil, err
+		}
+
+		// if there is a database path and it is not absolute,
+		// it will be relative to Caddy folder.
+		if !filepath.IsAbs(database) && database != "" {
+			database = filepath.Join(path, database)
+		}
+
+		// If there is no database path on the settings,
+		// store one in .caddy/filemanager/name.db.
+		if database == "" {
+			// The name of the database is the hashed value of a string composed
+			// by the host, address path and the baseurl of this File Manager
+			// instance.
+			hasher := md5.New()
+			hasher.Write([]byte(caddyConf.Addr.Host + caddyConf.Addr.Path + baseURL))
+			sha := hex.EncodeToString(hasher.Sum(nil))
+			database = filepath.Join(path, sha+".db")
+
+			fmt.Println("[WARNING] A database is going to be created for your File Manager instance at " + database +
+				". It is highly recommended that you set the 'database' option to '" + sha + ".db'\n")
+		}
+
+		u.Scope = scope
+		u.FileSystem = fileutils.Dir(scope)
+
+		var db *storm.DB
+		if stored, ok := databases[database]; ok {
+			db = stored
+		} else {
+			db, err = storm.Open(database)
+			databases[database] = db
+		}
+
+		if err != nil {
+			return nil, err
+		}
+
+		m := &filebrowser.FileBrowser{
+			NoAuth:          noAuth,
+			BaseURL:         "",
+			PrefixURL:       "",
+			ReCaptchaKey:    reCaptchaKey,
+			ReCaptchaSecret: reCaptchaSecret,
+			DefaultUser:     u,
+			Store: &filebrowser.Store{
+				Config: bolt.ConfigStore{DB: db},
+				Users:  bolt.UsersStore{DB: db},
+				Share:  bolt.ShareStore{DB: db},
+			},
+			NewFS: func(scope string) filebrowser.FileSystem {
+				return fileutils.Dir(scope)
+			},
+		}
+
+		err = m.Setup()
+		if err != nil {
+			return nil, err
+		}
+
+		switch plugin {
+		case "hugo":
+			// Initialize the default settings for Hugo.
+			hugo := &staticgen.Hugo{
+				Root:        scope,
+				Public:      filepath.Join(scope, "public"),
+				Args:        []string{},
+				CleanPublic: true,
+			}
+
+			// Attaches Hugo plugin to this file manager instance.
+			err = m.Attach(hugo)
+			if err != nil {
+				return nil, err
+			}
+		case "jekyll":
+			// Initialize the default settings for Jekyll.
+			jekyll := &staticgen.Jekyll{
+				Root:        scope,
+				Public:      filepath.Join(scope, "_site"),
+				Args:        []string{},
+				CleanPublic: true,
+			}
+
+			// Attaches Hugo plugin to this file manager instance.
+			err = m.Attach(jekyll)
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		if err != nil {
+			return nil, err
+		}
+
+		m.NoAuth = noAuth
+		m.SetBaseURL(baseURL)
+		m.SetPrefixURL(strings.TrimSuffix(caddyConf.Addr.Path, "/"))
+
+		configs = append(configs, m)
+	}
+
+	return configs, nil
+}