X-Git-Url: https://git.r.bdr.sh/rbdr/mobius/blobdiff_plain/72dd37f1abb2b550aaaac48eac677403d5664797..2b7fabb5a1ff6092dd3ea62bd882dd0c02951b81:/hotline/files.go

diff --git a/hotline/files.go b/hotline/files.go
index bccab35..dcabf9d 100644
--- a/hotline/files.go
+++ b/hotline/files.go
@@ -2,90 +2,141 @@ package hotline
 
 import (
 	"encoding/binary"
-	"io/ioutil"
+	"errors"
+	"io/fs"
 	"os"
 	"path/filepath"
+	"regexp"
 	"strings"
 )
 
-const defaultCreator = "TTXT"
-const defaultType = "TEXT"
-
-var fileCreatorCodes = map[string]string{
-	"sit": "SIT!",
-	"pdf": "CARO",
-}
-
-var fileTypeCodes = map[string]string{
-	"sit": "SIT!",
-	"jpg": "JPEG",
-	"pdf": "PDF ",
-}
-
-func fileTypeFromFilename(fn string) string {
-	ext := strings.Split(fn, ".")
-	code := fileTypeCodes[ext[len(ext)-1]]
-
-	if code == "" {
-		code = defaultType
+func fileTypeFromFilename(filename string) fileType {
+	fileExt := strings.ToLower(filepath.Ext(filename))
+	ft, ok := fileTypes[fileExt]
+	if ok {
+		return ft
 	}
-
-	return code
+	return defaultFileType
 }
 
-func fileCreatorFromFilename(fn string) string {
-	ext := strings.Split(fn, ".")
-	code := fileCreatorCodes[ext[len(ext)-1]]
-	if code == "" {
-		code = defaultCreator
+func fileTypeFromInfo(info fs.FileInfo) (ft fileType, err error) {
+	if info.IsDir() {
+		ft.CreatorCode = "n/a "
+		ft.TypeCode = "fldr"
+	} else {
+		ft = fileTypeFromFilename(info.Name())
 	}
 
-	return code
+	return ft, nil
 }
 
-func getFileNameList(filePath string) ([]Field, error) {
-	var fields []Field
+const maxFileSize = 4294967296
 
-	files, err := ioutil.ReadDir(filePath)
+func getFileNameList(path string, ignoreList []string) (fields []Field, err error) {
+	files, err := os.ReadDir(path)
 	if err != nil {
 		return fields, nil
 	}
 
 	for _, file := range files {
-		var fileType []byte
 		var fnwi FileNameWithInfo
+
+		if ignoreFile(file.Name(), ignoreList) {
+			continue
+		}
+
 		fileCreator := make([]byte, 4)
-		//fileSize := make([]byte, 4)
-		if !file.IsDir() {
-			fileType = []byte(fileTypeFromFilename(file.Name()))
-			fileCreator = []byte(fileCreatorFromFilename(file.Name()))
-
-			binary.BigEndian.PutUint32(fnwi.FileSize[:], uint32(file.Size()))
-			copy(fnwi.Type[:], fileType[:])
-			copy(fnwi.Creator[:], fileCreator[:])
-		} else {
-			fileType = []byte("fldr")
 
-			dir, err := ioutil.ReadDir(filePath + "/" + file.Name())
+		fileInfo, err := file.Info()
+		if err != nil {
+			return fields, err
+		}
+
+		// Check if path is a symlink.  If so, follow it.
+		if fileInfo.Mode()&os.ModeSymlink != 0 {
+			resolvedPath, err := os.Readlink(filepath.Join(path, file.Name()))
+			if err != nil {
+				return fields, err
+			}
+
+			rFile, err := os.Stat(resolvedPath)
+			if errors.Is(err, os.ErrNotExist) {
+				continue
+			}
 			if err != nil {
 				return fields, err
 			}
-			binary.BigEndian.PutUint32(fnwi.FileSize[:], uint32(len(dir)))
-			copy(fnwi.Type[:], fileType[:])
-			copy(fnwi.Creator[:], fileCreator[:])
+
+			if rFile.IsDir() {
+				dir, err := os.ReadDir(filepath.Join(path, file.Name()))
+				if err != nil {
+					return fields, err
+				}
+
+				var c uint32
+				for _, f := range dir {
+					if !ignoreFile(f.Name(), ignoreList) {
+						c += 1
+					}
+				}
+
+				binary.BigEndian.PutUint32(fnwi.FileSize[:], c)
+				copy(fnwi.Type[:], "fldr")
+				copy(fnwi.Creator[:], fileCreator)
+			} else {
+				binary.BigEndian.PutUint32(fnwi.FileSize[:], uint32(rFile.Size()))
+				copy(fnwi.Type[:], fileTypeFromFilename(rFile.Name()).TypeCode)
+				copy(fnwi.Creator[:], fileTypeFromFilename(rFile.Name()).CreatorCode)
+			}
+		} else if file.IsDir() {
+			dir, err := os.ReadDir(filepath.Join(path, file.Name()))
+			if err != nil {
+				return fields, err
+			}
+
+			var c uint32
+			for _, f := range dir {
+				if !ignoreFile(f.Name(), ignoreList) {
+					c += 1
+				}
+			}
+
+			binary.BigEndian.PutUint32(fnwi.FileSize[:], c)
+			copy(fnwi.Type[:], "fldr")
+			copy(fnwi.Creator[:], fileCreator)
+		} else {
+			// the Hotline protocol does not support file sizes > 4GiB due to the 4 byte field size, so skip them
+			if fileInfo.Size() > maxFileSize {
+				continue
+			}
+
+			hlFile, err := newFileWrapper(&OSFileStore{}, path+"/"+file.Name(), 0)
+			if err != nil {
+				return nil, err
+			}
+
+			copy(fnwi.FileSize[:], hlFile.totalSize())
+			copy(fnwi.Type[:], hlFile.ffo.FlatFileInformationFork.TypeSignature)
+			copy(fnwi.Creator[:], hlFile.ffo.FlatFileInformationFork.CreatorSignature)
+		}
+
+		strippedName := strings.ReplaceAll(file.Name(), ".incomplete", "")
+		strippedName, err = txtEncoder.String(strippedName)
+		if err != nil {
+			continue
 		}
 
 		nameSize := make([]byte, 2)
-		binary.BigEndian.PutUint16(nameSize, uint16(len(file.Name())))
-		copy(fnwi.NameSize[:], nameSize[:])
+		binary.BigEndian.PutUint16(nameSize, uint16(len(strippedName)))
+		copy(fnwi.NameSize[:], nameSize)
 
-		fnwi.name = []byte(file.Name())
+		fnwi.name = []byte(strippedName)
 
 		b, err := fnwi.MarshalBinary()
 		if err != nil {
 			return nil, err
 		}
-		fields = append(fields, NewField(fieldFileNameWithInfo, b))
+		fields = append(fields, NewField(FieldFileNameWithInfo, b))
 	}
 
 	return fields, nil
@@ -119,12 +170,14 @@ func CalcTotalSize(filePath string) ([]byte, error) {
 func CalcItemCount(filePath string) ([]byte, error) {
 	var itemcount uint16
 	err := filepath.Walk(filePath, func(path string, info os.FileInfo, err error) error {
-		itemcount += 1
-
 		if err != nil {
 			return err
 		}
 
+		if !strings.HasPrefix(info.Name(), ".") {
+			itemcount += 1
+		}
+
 		return nil
 	})
 	if err != nil {
@@ -155,11 +208,13 @@ func EncodeFilePath(filePath string) []byte {
 	return bytes
 }
 
-func ReadFilePath(filePathFieldData []byte) string {
-	var fp FilePath
-	err := fp.UnmarshalBinary(filePathFieldData)
-	if err != nil {
-		// TODO
+func ignoreFile(fileName string, ignoreList []string) bool {
+	// skip files that match any regular expression present in the IgnoreFiles list
+	matchIgnoreFilter := 0
+	for _, pattern := range ignoreList {
+		if match, _ := regexp.MatchString(pattern, fileName); match {
+			matchIgnoreFilter += 1
+		}
 	}
-	return fp.String()
+	return matchIgnoreFilter > 0
 }