crane: free descriptors from outbound requests, sci-hub URL

3 files changed, 6 insertions, 2 deletions

diff --git a/README.md b/README.md
index 852298b..fd48708 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ Usage of ./crane:
   -path string
         Absolute or relative path to papers folder (default "./papers")
   -sci-hub string
-        Sci-Hub URL (default "https://sci-hub.se/")
+        Sci-Hub URL (default "https://sci-hub.hkvisa.net/")
   -user string
         Username for /admin/ endpoints (optional)
   -pass string
diff --git a/crane.go b/crane.go
index a9d8601..b678f9d 100644
--- a/crane.go
+++ b/crane.go
@@ -610,7 +610,7 @@ func main() {
 
 	var scihub string
 
-	flag.StringVar(&scihub, "sci-hub", "https://sci-hub.se/", "Sci-Hub URL")
+	flag.StringVar(&scihub, "sci-hub", "https://sci-hub.hkvisa.net/", "Sci-Hub URL")
 	flag.StringVar(&papers.Path, "path", "./papers",
 		"Absolute or relative path to papers folder")
 	flag.StringVar(&host, "host", "127.0.0.1", "IP address to listen on")
diff --git a/util.go b/util.go
index 035b519..0fb447f 100644
--- a/util.go
+++ b/util.go
@@ -230,6 +230,7 @@ func getMetaFromDOI(client *http.Client, doi []byte) (*Meta, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
 		return nil, fmt.Errorf("%q: failed to get metadata", u)
@@ -267,6 +268,8 @@ func getPaper(client *http.Client, scihub *url.URL, resource string) (string, er
 	if err != nil {
 		return "", err
 	}
+	defer resp.Body.Close()
+
 	doc, err := html.Parse(resp.Body)
 	if err != nil {
 		return "", err
@@ -303,6 +306,7 @@ func getPaper(client *http.Client, scihub *url.URL, resource string) (string, er
 	if err != nil {
 		return "", err
 	}
+	defer resp.Body.Close()
 	if resp.Header.Get("content-type") != "application/pdf" {
 		return "", fmt.Errorf("%q: content-type not application/pdf", refURL.String())
 	}