refactor core

go/grpc_server/update.go

@@ -0,0 +1,116 @@
+package grpc_server
+
+import (
+	"context"
+	"encoding/json"
+	"grpc_server/gen"
+	"io"
+	"net/http"
+	"os"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/matsuridayo/libneko/neko_common"
+)
+
+var update_download_url string
+
+func (s *BaseServer) Update(ctx context.Context, in *gen.UpdateReq) (*gen.UpdateResp, error) {
+	ret := &gen.UpdateResp{}
+
+	client := neko_common.GetProxyHttpClient()
+
+	if in.Action == gen.UpdateAction_Check { // Check update
+		ctx, cancel := context.WithTimeout(ctx, time.Second*10)
+		defer cancel()
+
+		req, _ := http.NewRequestWithContext(ctx, "GET", "https://api.github.com/repos/MatsuriDayo/nekoray/releases", nil)
+		resp, err := client.Do(req)
+		if err != nil {
+			ret.Error = err.Error()
+			return ret, nil
+		}
+		defer resp.Body.Close()
+
+		v := []struct {
+			HtmlUrl string `json:"html_url"`
+			Assets  []struct {
+				Name               string `json:"name"`
+				BrowserDownloadUrl string `json:"browser_download_url"`
+			} `json:"assets"`
+			Prerelease bool   `json:"prerelease"`
+			Body       string `json:"body"`
+		}{}
+		err = json.NewDecoder(resp.Body).Decode(&v)
+		if err != nil {
+			ret.Error = err.Error()
+			return ret, nil
+		}
+
+		nowVer := strings.TrimLeft(neko_common.Version_neko, "nekoray-")
+
+		var search string
+		if runtime.GOOS == "windows" && runtime.GOARCH == "amd64" {
+			search = "windows64"
+		} else if runtime.GOOS == "linux" && runtime.GOARCH == "amd64" {
+			search = "linux64"
+		} else if runtime.GOOS == "darwin" {
+			search = "macos-" + runtime.GOARCH
+		} else {
+			ret.Error = "Not official support platform"
+			return ret, nil
+		}
+
+		for _, release := range v {
+			if len(release.Assets) > 0 {
+				for _, asset := range release.Assets {
+					if strings.Contains(asset.Name, nowVer) {
+						return ret, nil // No update
+					}
+					if strings.Contains(asset.Name, search) {
+						if release.Prerelease && !in.CheckPreRelease {
+							continue
+						}
+						update_download_url = asset.BrowserDownloadUrl
+						ret.AssetsName = asset.Name
+						ret.DownloadUrl = asset.BrowserDownloadUrl
+						ret.ReleaseUrl = release.HtmlUrl
+						ret.ReleaseNote = release.Body
+						ret.IsPreRelease = release.Prerelease
+						return ret, nil // update
+					}
+				}
+			}
+		}
+	} else { // Download update
+		if update_download_url == "" {
+			ret.Error = "?"
+			return ret, nil
+		}
+
+		req, _ := http.NewRequestWithContext(ctx, "GET", update_download_url, nil)
+		resp, err := client.Do(req)
+		if err != nil {
+			ret.Error = err.Error()
+			return ret, nil
+		}
+		defer resp.Body.Close()
+
+		f, err := os.OpenFile("../nekoray.zip", os.O_TRUNC|os.O_CREATE|os.O_RDWR, 0644)
+		if err != nil {
+			ret.Error = err.Error()
+			return ret, nil
+		}
+		defer f.Close()
+
+		_, err = io.Copy(f, resp.Body)
+		if err != nil {
+			ret.Error = err.Error()
+			return ret, nil
+		}
+		f.Sync()
+	}
+
+	return ret, nil
+}