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package main
import (
"bytes"
"io/ioutil"
"log"
"net/http"
"sync"
"time"
"git.sr.ht/~benburwell/gosumdbaudit/sumdb"
)
type database struct {
host string
key string
pollInterval time.Duration
hc http.Client
config map[string][]byte
configMu sync.RWMutex
}
func (d *database) ReadRemote(path string) ([]byte, error) {
log.Printf("read remote: %s", path)
resp, err := d.hc.Get("https://" + d.host + path)
if err != nil {
return nil, err
}
defer resp.Body.Close()
return ioutil.ReadAll(resp.Body)
}
func (d *database) ReadConfig(file string) ([]byte, error) {
log.Printf("read config: %s", file)
if file == "key" {
return []byte(d.key), nil
}
d.configMu.RLock()
defer d.configMu.RUnlock()
if d.config == nil {
d.config = make(map[string][]byte)
// d.config["sum.golang.org/latest"] = []byte(`go.sum database tree
// 163038
// S1dhskM/kuUJUOCz3InBRhl0vFiHxr0INft+24ClisI=
// — sum.golang.org Az3gruAGD/ybzwcCUArmKpzAZNmEOu3Yahr9WIKA2SFAK3G2xzo39uHS70mylR3nsT9t3ZpVQW89RT6Tg1+1nIf7bgI=
// `)
}
c, ok := d.config[file]
if !ok {
return nil, nil
}
return c, nil
}
func (d *database) WriteConfig(file string, old, new []byte) error {
log.Printf("write config: %s", file)
d.configMu.Lock()
defer d.configMu.Unlock()
if val, ok := d.config[file]; ok && !bytes.Equal(val, old) {
return sumdb.ErrWriteConflict
}
d.config[file] = new
return nil
}
func (d *database) Log(msg string) {
log.Printf(msg)
}
func (d *database) SecurityError(msg string) {
log.Printf("!!! SECURITY ERROR !!!\n%s", msg)
}
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