Revision b7e2870f
Added by koszko about 2 years ago
| content/main.js | ||
|---|---|---|
| 12 | 12 |
* IMPORT url_extract_target |
| 13 | 13 |
* IMPORT gen_unique |
| 14 | 14 |
* IMPORT csp_rule |
| 15 |
* IMPORT is_privileged_url |
|
| 15 | 16 |
* IMPORT sanitize_attributes |
| 16 | 17 |
* IMPORT script_suppressor |
| 17 | 18 |
* IMPORT is_chrome |
| 18 | 19 |
* IMPORT is_mozilla |
| 20 |
* IMPORT start_activity_info_server |
|
| 19 | 21 |
* IMPORTS_END |
| 20 | 22 |
*/ |
| 21 | 23 |
|
| ... | ... | |
| 35 | 37 |
|
| 36 | 38 |
const suppressor = script_suppressor(unique); |
| 37 | 39 |
|
| 38 |
function needs_blocking() |
|
| 40 |
|
|
| 41 |
function is_http() |
|
| 39 | 42 |
{
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| 40 |
if (url.startsWith("https://") || url.startsWith("http://"))
|
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| 41 |
return false;
|
|
| 43 |
return !!/^https?:\/\//i.exec(document.URL);
|
|
| 44 |
}
|
|
| 42 | 45 |
|
| 46 |
function is_whitelisted() |
|
| 47 |
{
|
|
| 43 | 48 |
const parsed_url = url_extract_target(document.URL); |
| 44 | 49 |
|
| 45 | 50 |
if (parsed_url.target !== undefined && |
| ... | ... | |
| 49 | 54 |
else |
| 50 | 55 |
history.replaceState(null, "", parsed_url.base_url); |
| 51 | 56 |
|
| 52 |
console.log(["allowing whitelisted", document.URL]); |
|
| 53 |
return false; |
|
| 57 |
return true; |
|
| 54 | 58 |
} |
| 55 | 59 |
|
| 56 |
console.log(["disallowing", document.URL]); |
|
| 57 |
return true; |
|
| 60 |
return false; |
|
| 58 | 61 |
} |
| 59 | 62 |
|
| 60 | 63 |
function handle_mutation(mutations, observer) |
| ... | ... | |
| 120 | 123 |
head.insertBefore(meta, head.firstElementChild); |
| 121 | 124 |
} |
| 122 | 125 |
|
| 123 |
if (needs_blocking()) {
|
|
| 124 |
block_nodes_recursively(document.documentElement); |
|
| 125 |
|
|
| 126 |
if (is_chrome) {
|
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| 127 |
var observer = new MutationObserver(handle_mutation); |
|
| 128 |
observer.observe(document.documentElement, {
|
|
| 129 |
attributes: true, |
|
| 130 |
childList: true, |
|
| 131 |
subtree: true |
|
| 132 |
}); |
|
| 126 |
if (!is_privileged_url(document.URL)) {
|
|
| 127 |
start_activity_info_server(); |
|
| 128 |
handle_page_actions(unique); |
|
| 129 |
|
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| 130 |
if (is_http()) {
|
|
| 131 |
/* rely on CSP injected through webRequest */ |
|
| 132 |
} else if (is_whitelisted()) {
|
|
| 133 |
/* do not block scripts at all */ |
|
| 134 |
} else {
|
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| 135 |
block_nodes_recursively(document.documentElement); |
|
| 136 |
|
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| 137 |
if (is_chrome) {
|
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| 138 |
var observer = new MutationObserver(handle_mutation); |
|
| 139 |
observer.observe(document.documentElement, {
|
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| 140 |
attributes: true, |
|
| 141 |
childList: true, |
|
| 142 |
subtree: true |
|
| 143 |
}); |
|
| 144 |
} |
|
| 145 |
|
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| 146 |
if (is_mozilla) |
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| 147 |
addEventListener('beforescriptexecute', suppressor, true);
|
|
| 133 | 148 |
} |
| 134 |
|
|
| 135 |
if (is_mozilla) |
|
| 136 |
addEventListener('beforescriptexecute', suppressor, true);
|
|
| 137 | 149 |
} |
| 138 |
|
|
| 139 |
handle_page_actions(unique); |
|
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