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awaae
78c5d9b60b
- Atomically reserve sharing access slots in the database. - Deduplicate access counting by client IP for 30 minutes. - Separate sharing usability and password validation from access-limit checks. - Keep browsing and archive metadata operations non-counting. - Count downloads, link generation, and archive extraction through the unified access flow. - Coordinate same-IP validation with slot publication to prevent concurrent requests from being rejected during the cache update window. - Add coverage for database-authoritative access state, concurrent access limits, same-IP deduplication, and cache publication races.
53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
package model
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import "time"
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type SharingDB struct {
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ID string `json:"id" gorm:"type:varchar(64);primaryKey"`
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FilesRaw string `json:"-" gorm:"type:text"`
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Expires *time.Time `json:"expires"`
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Pwd string `json:"pwd"`
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Accessed int `json:"accessed"`
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MaxAccessed int `json:"max_accessed"`
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CreatorId uint `json:"-"`
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Disabled bool `json:"disabled"`
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Remark string `json:"remark"`
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Readme string `json:"readme" gorm:"type:text"`
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Header string `json:"header" gorm:"type:text"`
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Sort
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}
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type Sharing struct {
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*SharingDB
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Files []string `json:"files"`
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Creator *User `json:"-"`
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}
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func (s *Sharing) Valid() bool {
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return s.Usable() && !s.LimitReached()
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}
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func (s *SharingDB) LimitReached() bool {
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return s.MaxAccessed > 0 && s.Accessed >= s.MaxAccessed
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}
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func (s *Sharing) Usable() bool {
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if s.Disabled {
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return false
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}
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if len(s.Files) == 0 {
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return false
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}
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if s.Creator == nil || !s.Creator.CanShare() {
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return false
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}
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if s.Expires != nil && !s.Expires.IsZero() && s.Expires.Before(time.Now()) {
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return false
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}
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return true
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}
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func (s *Sharing) Verify(pwd string) bool {
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return s.Pwd == "" || s.Pwd == pwd
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}
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