Updating server dependancies. Also adding github.com/jaytaylor/html2text and gopkg.in/gomail.v2 (#5748)

vendor/github.com/lib/pq/ssl_permissions.go

@@ -4,13 +4,17 @@ package pq
 
 import "os"
 
-// sslCertificatePermissions checks the permissions on user-supplied certificate
-// files. The key file should have very little access.
+// sslKeyPermissions checks the permissions on user-supplied ssl key files.
+// The key file should have very little access.
 //
 // libpq does not check key file permissions on Windows.
-func sslCertificatePermissions(cert, key os.FileInfo) {
-	kmode := key.Mode()
-	if kmode != kmode&0600 {
-		panic(ErrSSLKeyHasWorldPermissions)
+func sslKeyPermissions(sslkey string) error {
+	info, err := os.Stat(sslkey)
+	if err != nil {
+		return err
 	}
+	if info.Mode().Perm()&0077 != 0 {
+		return ErrSSLKeyHasWorldPermissions
+	}
+	return nil
 }