Add timeout property

docs/configuration.md

@@ -1613,7 +1613,6 @@ Example:
     - title: Vaultwarden
       url: https://vault.yourdomain.com
       icon: /assets/vaultwarden-logo.png
-
 ```
 
 Preview:
@@ -1651,6 +1650,7 @@ Properties for each site:
 | check-url | string | no | |
 | error-url | string | no | |
 | icon | string | no | |
+| timeout | string | no | 3s |
 | allow-insecure | boolean | no | false |
 | same-tab | boolean | no | false |
 | alt-status-codes | array | no | |
@@ -1686,6 +1686,10 @@ icon: si:adguard
 >
 > Simple Icons are loaded externally and are hosted on `cdn.jsdelivr.net`, if you do not wish to depend on a 3rd party you are free to download the icons individually and host them locally.
 
+`timeout`
+
+How long to wait for a response from the server before considering it unreachable. The value is a string and must be a number followed by one of s, m, h, d. Example: `5s` for 5 seconds, `1m` for 1 minute, etc.
+
 `allow-insecure`
 
 Whether to ignore invalid/self-signed certificates.

internal/glance/widget-monitor.go

@@ -115,9 +115,10 @@ func statusCodeToStyle(status int, altStatusCodes []int) string {
 }
 
 type SiteStatusRequest struct {
-	DefaultURL    string `yaml:"url"`
-	CheckURL      string `yaml:"check-url"`
-	AllowInsecure bool   `yaml:"allow-insecure"`
+	DefaultURL    string        `yaml:"url"`
+	CheckURL      string        `yaml:"check-url"`
+	AllowInsecure bool          `yaml:"allow-insecure"`
+	Timeout       durationField `yaml:"timeout"`
 	BasicAuth     struct {
 		Username string `yaml:"username"`
 		Password string `yaml:"password"`
@@ -138,7 +139,12 @@ func fetchSiteStatusTask(statusRequest *SiteStatusRequest) (siteStatus, error) {
 	} else {
 		url = statusRequest.DefaultURL
 	}
-	request, err := http.NewRequest(http.MethodGet, url, nil)
+
+	timeout := ternary(statusRequest.Timeout > 0, time.Duration(statusRequest.Timeout), 3*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	request, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
 	if err != nil {
 		return siteStatus{
 			Error: err,
@@ -149,9 +155,6 @@ func fetchSiteStatusTask(statusRequest *SiteStatusRequest) (siteStatus, error) {
 		request.SetBasicAuth(statusRequest.BasicAuth.Username, statusRequest.BasicAuth.Password)
 	}
 
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second*3)
-	defer cancel()
-	request = request.WithContext(ctx)
 	requestSentAt := time.Now()
 	var response *http.Response