close #203

Former-commit-id: e2d0b723963d3a82ac0f9042280885e800b1132a [formerly e1ae3f4da43f0481a57c39f11735c36b33fda857] [formerly 02ab5f5fb5f4b812cf413ebc923b853d4f0b4afb [formerly 83bc555094]]
Former-commit-id: bee2ec30c9aa9619a69eaa6320822f8525a41535 [formerly 1af59077494b5e8674af547d0361f50a2ecf8f26]
Former-commit-id: 573870f4a6bffcee3e48fbc0b8349402eaeba407

caddy/parser/parser.go

@@ -0,0 +1,232 @@
+package parser
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"github.com/hacdias/filemanager"
+	"github.com/hacdias/fileutils"
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+// Parse ...
+func Parse(c *caddy.Controller, plugin string) ([]*filemanager.FileManager, error) {
+	var (
+		configs []*filemanager.FileManager
+		err     error
+	)
+
+	for c.Next() {
+		u := filemanager.User{
+			Locale:        "en",
+			AllowCommands: true,
+			AllowEdit:     true,
+			AllowNew:      true,
+			AllowPublish:  true,
+			Commands:      []string{"git", "svn", "hg"},
+			CSS:           "",
+			Rules: []*filemanager.Rule{{
+				Regex:  true,
+				Allow:  false,
+				Regexp: &filemanager.Regexp{Raw: "\\/\\..+"},
+			}},
+		}
+
+		baseURL := "/"
+		scope := "."
+		database := ""
+		noAuth := false
+
+		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 "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 instace at " + database +
+				". It is highly recommended that you set the 'database' option to '" + sha + ".db'\n")
+		}
+
+		u.FileSystem = fileutils.Dir(scope)
+		m, err := filemanager.New(database, u)
+
+		switch plugin {
+		case "hugo":
+			// Initialize the default settings for Hugo.
+			hugo := &filemanager.Hugo{
+				Root:        scope,
+				Public:      filepath.Join(scope, "public"),
+				Args:        []string{},
+				CleanPublic: true,
+			}
+
+			// Attaches Hugo plugin to this file manager instance.
+			err = m.EnableStaticGen(hugo)
+			if err != nil {
+				return nil, err
+			}
+		case "jekyll":
+			// Initialize the default settings for Jekyll.
+			jekyll := &filemanager.Jekyll{
+				Root:        scope,
+				Public:      filepath.Join(scope, "_site"),
+				Args:        []string{},
+				CleanPublic: true,
+			}
+
+			// Attaches Hugo plugin to this file manager instance.
+			err = m.EnableStaticGen(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
+}