use http client from utils

core/appapi.go

@@ -13,6 +13,8 @@ import (
 	"io"
 	"net/http"
 	"strings"
+
+	"codeberg.org/vnpower/pixivfe/v2/server/utils"
 )
 
 const USER_AGENT = "PixivAndroidApp/5.0.234 (Android 11; Pixel 5)"
@@ -82,7 +84,7 @@ func AppAPIRefresh(r *http.Request, refresh_token string) AppAPICredentials {
 	req.Header.Set("User-Agent", USER_AGENT)
 	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
 
-	resp, err := http.DefaultClient.Do(req)
+	resp, err := utils.HttpClient.Do(req)
 	if err != nil {
 		panic(err)
 	}
@@ -117,7 +119,7 @@ func AppAPILogin(r *http.Request) AppAPICredentials {
 	req.Header.Set("User-Agent", USER_AGENT)
 	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
 
-	resp, err := http.DefaultClient.Do(req)
+	resp, err := utils.HttpClient.Do(req)
 	if err != nil {
 		panic(err)
 	}

semgrep.yml

@@ -180,7 +180,6 @@ rules:
     fmt.Errorf("$MSG", $...ARGS)
   fix: |
     i18n.Errorf("$MSG", $...ARGS)
-
 - id: "14"
   message: "non-global regexp.MustCompile"
   languages: [go]
@@ -194,3 +193,11 @@ rules:
       $VAR := regexp.MustCompile($PATT)
   fix: |
       var $VAR = regexp.MustCompile($PATT)
+- id: "15"
+  message: "http.DefaultClient"
+  languages: [go]
+  severity: ERROR
+  pattern: |
+    http.DefaultClient
+  fix: |
+    utils.HttpClient

server/utils/http_client.go

@@ -7,6 +7,7 @@ import "net/http"
 var HttpClient = &http.Client{
 	Transport: &http.Transport{
 		Proxy:               http.ProxyFromEnvironment,
+		MaxIdleConns:        0,
 		MaxIdleConnsPerHost: 20,
 	},
 }