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simplify getStylesViaXhr

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This commit is contained in:
tophf 2020-11-16 00:38:20 +03:00
parent 0816933932
commit 151805f1bb
2 changed files with 9 additions and 21 deletions
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2
background/style-via-webrequest.js
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@ -89,7 +89,7 @@ CHROME && (async () => {
res = true;
responseHeaders.push({
name: 'Set-Cookie',
value: `${chrome.runtime.id}=${prefs.get(idOff) ? 1 : 0}${id}`,
value: `${chrome.runtime.id}=${id}`,
});
// Allow cookies in CSP sandbox (known case: raw github urls)
if (csp) {

28
content/apply.js
View File

@ -59,8 +59,7 @@ self.INJECTED !== 1 && (() => {
if (STYLE_VIA_API) {
await API.styleViaAPI({method: 'styleApply'});
} else {
const blobId = chrome.app && getXhrBlobId();
const styles = blobId && getStylesViaXhr(blobId) ||
const styles = chrome.app && !chrome.tabs && getStylesViaXhr() ||
await API.getSectionsByUrl(getMatchUrl(), null, true);
if (styles.disableAll) {
delete styles.disableAll;
@ -70,27 +69,16 @@ self.INJECTED !== 1 && (() => {
}
}
function getXhrBlobId() {
function getStylesViaXhr() {
try {
const {cookie} = document; // may throw in sandboxed frames
return new RegExp(`(^|\\s|;)${chrome.runtime.id}=\\s*([-\\w]+)\\s*(;|$)`).exec(cookie)[2];
} catch (e) {}
}
function getStylesViaXhr(data) {
try {
const disableAll = data[0] === '1';
const url = 'blob:' + chrome.runtime.getURL(data.slice(1));
const blobId = document.cookie.split(chrome.runtime.id + '=')[1].split(';')[0];
const url = 'blob:' + chrome.runtime.getURL(blobId);
document.cookie = `${chrome.runtime.id}=1; max-age=0`; // remove our cookie
let res;
if (!disableAll) { // when disabled, will get the styles asynchronously, no rush
const xhr = new XMLHttpRequest();
xhr.open('GET', url, false); // synchronous
xhr.send();
res = JSON.parse(xhr.response);
}
const xhr = new XMLHttpRequest();
xhr.open('GET', url, false); // synchronous
xhr.send();
URL.revokeObjectURL(url);
return res;
return JSON.parse(xhr.response);
} catch (e) {}
}