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72 lines
1.5 KiB
72 lines
1.5 KiB
package filesystem
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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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验证器
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==========
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*/
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// 文件/路径名保留字符
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var reservedCharacter = []string{"\\", "?", "*", "<", "\"", ":", ">", "/"}
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// ValidateLegalName 验证文件名/文件夹名是否合法
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func (fs *FileSystem) ValidateLegalName(ctx context.Context, name string) bool {
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// 是否包含保留字符
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for _, value := range reservedCharacter {
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if strings.Contains(name, value) {
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return false
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}
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}
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// 是否超出长度限制
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if len(name) >= 256 {
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return false
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}
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// 是否为空限制
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if len(name) == 0 {
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return false
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}
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return true
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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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// 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.IncreaseStorage(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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// 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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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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if util.ContainsString(fs.User.Policy.OptionsSerialized.FileType, ext[1:]) {
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return true
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}
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return false
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}
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