Add updateConfig endpoint for apiV4 (#5706)

2 files changed, 12 insertions, 1 deletions

diff --git a/model/client4.go b/model/client4.go
index a2878df6f..307d52c55 100644
--- a/model/client4.go
+++ b/model/client4.go
@@ -1191,6 +1191,7 @@ func (c *Client4) DatabaseRecycle() (bool, *Response) {
 	}
 }
 
+// InvalidateCaches will purge the cache and can affect the performance while is cleaning.
 func (c *Client4) InvalidateCaches() (bool, *Response) {
 	if r, err := c.DoApiPost(c.GetCacheRoute()+"/invalidate", ""); err != nil {
 		return false, &Response{StatusCode: r.StatusCode, Error: err}
@@ -1200,6 +1201,16 @@ func (c *Client4) InvalidateCaches() (bool, *Response) {
 	}
 }
 
+// UpdateConfig will update the server configuration
+func (c *Client4) UpdateConfig(config *Config) (*Config, *Response) {
+	if r, err := c.DoApiPut(c.GetConfigRoute(), config.ToJson()); err != nil {
+		return nil, &Response{StatusCode: r.StatusCode, Error: err}
+	} else {
+		defer closeBody(r)
+		return ConfigFromJson(r.Body), BuildResponse(r)
+	}
+}
+
 // Webhooks Section
 
 // CreateIncomingWebhook creates an incoming webhook for a channel.
diff --git a/model/config.go b/model/config.go
index 86693b57e..8a2a5cc47 100644
--- a/model/config.go
+++ b/model/config.go
@@ -473,7 +473,7 @@ func (o *Config) SetDefaults() {
 		*o.FileSettings.MaxFileSize = 52428800 // 50 MB
 	}
 
-	if len(*o.FileSettings.PublicLinkSalt) == 0 {
+	if o.FileSettings.PublicLinkSalt == nil || len(*o.FileSettings.PublicLinkSalt) == 0 {
 		o.FileSettings.PublicLinkSalt = new(string)
 		*o.FileSettings.PublicLinkSalt = NewRandomString(32)
 	}