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-rw-r--r--common/misc.js22
-rw-r--r--content/main.js17
2 files changed, 29 insertions, 10 deletions
diff --git a/common/misc.js b/common/misc.js
index 5754bd0..0a3a425 100644
--- a/common/misc.js
+++ b/common/misc.js
@@ -41,6 +41,27 @@ function url_item(url)
return match[1];
}
+/*
+ * Assume a url like: https://example.com/green?illuminati=confirmed#tinky#winky
+ * This function will make it into an object like:
+ * {
+ * "base_url" : "https://example.com/green?illuminati=confirmed",
+ * "target" : "#tinky",
+ * "target2" : "#winky"
+ * }
+ * In case url doesn't have 2 #'s, target2 and target can be set to undefined.
+ */
+function url_extract_target(url)
+{
+ let url_re = /^([^#]*)((#[^#]*)(#.*)?)?$/;
+ let match = url_re.exec(url);
+ return {
+ base_url : match[1],
+ target : match[3],
+ target2 : match[4]
+ };
+}
+
/* csp rule that blocks all scripts except for those injected by us */
function csp_rule(nonce)
{
@@ -54,6 +75,7 @@ function csp_rule(nonce)
* EXPORTS_START
* EXPORT gen_unique
* EXPORT url_item
+ * EXPORT url_extract_target
* EXPORT csp_rule
* EXPORTS_END
*/
diff --git a/content/main.js b/content/main.js
index 8525961..65ac008 100644
--- a/content/main.js
+++ b/content/main.js
@@ -9,6 +9,7 @@
* IMPORTS_START
* IMPORT handle_page_actions
* IMPORT url_item
+ * IMPORT url_extract_target
* IMPORT gen_unique
* IMPORT csp_rule
* IMPORT sanitize_attributes
@@ -39,18 +40,14 @@ function needs_blocking()
if (url.startsWith("https://") || url.startsWith("http://"))
return false;
- let url_re = /^([^#]*)((#[^#]*)(#.*)?)?$/;
- let match = url_re.exec(document.URL);
- let base_url = match[1];
- let first_target = match[3];
- let second_target = match[4];
+ const parsed_url = url_extract_target(document.URL);
- if (first_target !== undefined &&
- first_target === '#' + unique) {
- if (second_target !== undefined)
- window.location.href = base_url + second_target;
+ if (parsed_url.target !== undefined &&
+ parsed_url.target === '#' + unique) {
+ if (parsed_url.target2 !== undefined)
+ window.location.href = parsed_url.base_url + parsed_url.target2;
else
- history.replaceState(null, "", base_url);
+ history.replaceState(null, "", parsed_url.base_url);
console.log(["allowing whitelisted", document.URL]);
return false;