/
memdb.go
95 lines (83 loc) · 2.16 KB
/
memdb.go
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package main
import (
"context"
"net"
"sync"
)
type MemoryDatabase struct {
sync.RWMutex
ipaddrs map[string][]net.IP
txtvals map[string][]string
certdata map[string][]byte
}
func (db *MemoryDatabase) DoesDomainExist(ctx context.Context, domain string) (bool, error) {
ipaddrs, err := db.GetIPAddresses(ctx, domain)
if err != nil {
return false, err
}
txtvals, err := db.GetTXTValues(ctx, domain)
if err != nil {
return false, err
}
return (len(ipaddrs) > 0 || len(txtvals) > 0), nil
}
func (db *MemoryDatabase) GetIPAddresses(ctx context.Context, domain string) ([]net.IP, error) {
db.RLock()
defer db.RUnlock()
return db.ipaddrs[domain], nil
}
func (db *MemoryDatabase) PutIPAddresses(ctx context.Context, domain string, addresses []net.IP) error {
db.Lock()
defer db.Unlock()
if db.ipaddrs == nil {
db.ipaddrs = make(map[string][]net.IP)
}
db.ipaddrs[domain] = addresses
return nil
}
func (db *MemoryDatabase) DeleteIPAddresses(ctx context.Context, domain string) error {
db.Lock()
defer db.Unlock()
delete(db.ipaddrs, domain)
return nil
}
func (db *MemoryDatabase) GetTXTValues(ctx context.Context, domain string) ([]string, error) {
db.RLock()
defer db.RUnlock()
return db.txtvals[domain], nil
}
func (db *MemoryDatabase) PutTXTValues(ctx context.Context, domain string, values []string) error {
db.Lock()
defer db.Unlock()
if db.txtvals == nil {
db.txtvals = make(map[string][]string)
}
db.txtvals[domain] = values
return nil
}
func (db *MemoryDatabase) DeleteTXTValues(ctx context.Context, domain string) error {
db.Lock()
defer db.Unlock()
delete(db.txtvals, domain)
return nil
}
func (db *MemoryDatabase) GetCertificate(ctx context.Context, domain string) ([]byte, error) {
db.RLock()
defer db.RUnlock()
return db.certdata[domain], nil
}
func (db *MemoryDatabase) PutCertificate(ctx context.Context, domain string, data []byte) error {
db.Lock()
defer db.Unlock()
if db.certdata == nil {
db.certdata = make(map[string][]byte)
}
db.certdata[domain] = data
return nil
}
func (db *MemoryDatabase) DeleteCertificate(ctx context.Context, domain string) error {
db.Lock()
defer db.Unlock()
delete(db.certdata, domain)
return nil
}