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path: root/components/addons/src/AddonUpdateChecker.jsm
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-rw-r--r--components/addons/src/AddonUpdateChecker.jsm8
1 files changed, 8 insertions, 0 deletions
diff --git a/components/addons/src/AddonUpdateChecker.jsm b/components/addons/src/AddonUpdateChecker.jsm
index 0001f921a..596ac9dd4 100644
--- a/components/addons/src/AddonUpdateChecker.jsm
+++ b/components/addons/src/AddonUpdateChecker.jsm
@@ -590,6 +590,14 @@ function UpdateParser(aId, aUpdateKey, aUrl, aObserver) {
let requireBuiltIn = Services.prefs.getBoolPref(PREF_UPDATE_REQUIREBUILTINCERTS, true);
logger.debug("Requesting " + aUrl);
+
+ if (!aUrl) {
+ logger.warn("Request failed: empty update manifest URL");
+ this._doneAt = new Error("UP_emptyManifestURL");
+ this.notifyError(AddonUpdateChecker.ERROR_DOWNLOAD_ERROR);
+ return;
+ }
+
try {
this.request = new ServiceRequest();
this.request.open("GET", this.url, true);