status-go/services/updates/api.go

100 lines
2.4 KiB
Go

package updates
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"time"
"github.com/hashicorp/go-version"
"go.uber.org/zap"
"github.com/ethereum/go-ethereum/log"
"github.com/status-im/status-go/services/ens"
"github.com/status-im/status-go/signal"
)
func NewAPI(ensService *ens.Service) *API {
return &API{
ensService: ensService,
httpClient: &http.Client{Timeout: time.Minute},
}
}
type API struct {
ensService *ens.Service
httpClient *http.Client
}
func (api *API) Check(ctx context.Context, chainID uint64, ens string, currentVersion string) {
go func() {
ctx, cancel := context.WithTimeout(context.Background(), 45*time.Second)
defer cancel()
current, err := version.NewVersion(currentVersion)
if err != nil {
log.Error("invalid current version", "err", err)
return
}
uri, err := api.ensService.API().ResourceURL(ctx, chainID, ens)
if err != nil || uri.Host == "" {
log.Error("can't get obtain the updates content hash url", "ens", ens)
signal.SendUpdateAvailable(false, "", "")
return
}
url := uri.Scheme + "://" + uri.Host + uri.Path
versionURL := url + "VERSION"
response, err := api.httpClient.Get(versionURL)
if err != nil {
log.Error("can't get content", zap.String("any", versionURL))
signal.SendUpdateAvailable(false, "", "")
return
}
defer response.Body.Close()
if response.StatusCode != http.StatusOK {
log.Error(fmt.Sprintf("version verification response status error: %v", response.StatusCode))
signal.SendUpdateAvailable(false, "", "")
return
}
data, err := ioutil.ReadAll(response.Body)
if err != nil {
log.Error("version verification body err", "err", err)
signal.SendUpdateAvailable(false, "", "")
return
}
c := make(map[string]interface{})
err = json.Unmarshal(data, &c)
if err != nil {
log.Error("invalid json", "err", err)
signal.SendUpdateAvailable(false, "", "")
return
}
latestStr := ""
switch c["version"].(type) {
case string:
latestStr = c["version"].(string)
default:
log.Error("invalid latest version", "val", c["version"])
signal.SendUpdateAvailable(false, "", "")
return
}
latest, err := version.NewVersion(latestStr)
if err != nil {
log.Error("invalid latest version", "err", err)
signal.SendUpdateAvailable(false, "", "")
return
}
signal.SendUpdateAvailable(latest.GreaterThan(current), latestStr, url)
}()
}