mirror of https://github.com/Xhofe/alist
				
				
				
			
		
			
				
	
	
		
			134 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
| package utils
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| 
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| import (
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| 	"encoding/json"
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| 	"github.com/Xhofe/alist/conf"
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| 	log "github.com/sirupsen/logrus"
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| 	"io/ioutil"
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| 	"os"
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| 	"path"
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| 	"path/filepath"
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| 	"strings"
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| )
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| 
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| // Exists determine whether the file exists
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| func Exists(name string) bool {
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| 	if _, err := os.Stat(name); err != nil {
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| 		if os.IsNotExist(err) {
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| 			return false
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| 		}
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| 	}
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| 	return true
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| }
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| 
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| // IsDir determine whether the file is dir
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| func IsDir(path string) bool {
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| 	s, err := os.Stat(path)
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| 	if err != nil {
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| 		return false
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| 	}
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| 	return s.IsDir()
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| }
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| 
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| // GetFileType get file type
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| func GetFileType(ext string) int {
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| 	if ext == "" {
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| 		return conf.UNKNOWN
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| 	}
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| 	ext = strings.ToLower(strings.TrimPrefix(ext, "."))
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| 	if IsContain(conf.OfficeTypes, ext) {
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| 		return conf.OFFICE
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| 	}
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| 	if IsContain(conf.AudioTypes, ext) {
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| 		return conf.AUDIO
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| 	}
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| 	if IsContain(conf.VideoTypes, ext) {
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| 		return conf.VIDEO
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| 	}
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| 	if IsContain(conf.TextTypes, ext) {
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| 		return conf.TEXT
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| 	}
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| 	if IsContain(conf.ImageTypes, ext) {
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| 		return conf.IMAGE
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| 	}
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| 	return conf.UNKNOWN
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| }
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| 
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| // CreatNestedFile create nested file
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| func CreatNestedFile(path string) (*os.File, error) {
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| 	basePath := filepath.Dir(path)
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| 	if !Exists(basePath) {
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| 		err := os.MkdirAll(basePath, 0700)
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| 		if err != nil {
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| 			log.Errorf("can't create foler,%s", err)
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| 			return nil, err
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| 		}
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| 	}
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| 	return os.Create(path)
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| }
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| 
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| // WriteToJson write struct to json file
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| func WriteToJson(src string, conf interface{}) bool {
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| 	data, err := json.MarshalIndent(conf, "", "  ")
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| 	if err != nil {
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| 		log.Errorf("failed convert Conf to []byte:%s", err.Error())
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| 		return false
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| 	}
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| 	err = ioutil.WriteFile(src, data, 0777)
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| 	if err != nil {
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| 		log.Errorf("failed to write json file:%s", err.Error())
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| 		return false
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| 	}
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| 	return true
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| }
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| 
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| func ParsePath(path string) string {
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| 	path = strings.TrimRight(path, "/")
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| 	if !strings.HasPrefix(path, "/") {
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| 		path = "/" + path
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| 	}
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| 	return path
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| }
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| 
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| func RemoveLastSlash(path string) string {
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| 	if len(path) > 1 {
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| 		return strings.TrimSuffix(path, "/")
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| 	}
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| 	return path
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| }
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| 
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| func Dir(path string) string {
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| 	idx := strings.LastIndex(path, "/")
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| 	if idx == 0 {
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| 		return "/"
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| 	}
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| 	if idx == -1 {
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| 		return path
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| 	}
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| 	return path[:idx]
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| }
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| 
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| func Base(path string) string {
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| 	idx := strings.LastIndex(path, "/")
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| 	if idx == -1 {
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| 		return path
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| 	}
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| 	return path[idx+1:]
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| }
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| 
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| func Join(elem ...string) string {
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| 	res := path.Join(elem...)
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| 	if res == "\\" {
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| 		res = "/"
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| 	}
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| 	return res
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| }
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| 
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| func Split(p string) (string, string) {
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| 	return path.Split(p)
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| }
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| 
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| func Ext(name string) string {
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| 	return strings.TrimPrefix(path.Ext(name), ".")
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| }
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