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			42 lines
		
	
	
		
			940 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			940 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package filesystem
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| 
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| import (
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| 	"context"
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| 	"github.com/HFO4/cloudreve/pkg/util"
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| 	"path/filepath"
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| 	"strings"
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| )
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| 
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| // ValidateFileSize 验证上传的文件大小是否超出限制
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| func (fs *FileSystem) ValidateFileSize(ctx context.Context, size uint64) bool {
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| 	return size <= fs.User.Policy.MaxSize
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| }
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| 
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| // ValidateCapacity 验证并扣除用户容量
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| func (fs *FileSystem) ValidateCapacity(ctx context.Context, size uint64) bool {
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| 	if fs.User.DeductionCapacity(size) {
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| 		return true
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| 	}
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| 	return false
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| }
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| 
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| // ValidateExtension 验证文件扩展名
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| func (fs *FileSystem) ValidateExtension(ctx context.Context, fileName string) bool {
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| 	// 不需要验证
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| 	if len(fs.User.Policy.OptionsSerialized.FileType) == 0 {
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| 		return true
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| 	}
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| 
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| 	ext := strings.ToLower(filepath.Ext(fileName))
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| 	// 无扩展名时
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| 	if len(ext) == 0 {
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| 		return false
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| 	}
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| 
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| 	if util.ContainsString(fs.User.Policy.OptionsSerialized.FileType, ext[1:]) {
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| 		return true
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| 	}
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| 
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| 	return false
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| }
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