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fromStringMaker -> defineFile; start adding write to defineFile.

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also make write() actually work w/o errors. (return size)
This commit is contained in:
Omar Rizwan 2020-12-13 05:21:43 -08:00
parent 654265347c
commit cabc3fe03f
2 changed files with 25 additions and 9 deletions
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2
README.md
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@ -201,6 +201,8 @@ now you have this whole 'language', this whole toolset, to control and
automate your browser. there's this built-up existing capital where
lots of people already know the operations to work with files
this project is cool bc i immediately get a dataset i care about
OSQuery
fake filesystems talk

32
extension/background.js
View file

@ -111,6 +111,7 @@ const BrowserState = { lastFocusedWindowId: null, scriptsForTab: {} };
if (method === "Debugger.scriptParsed") {
BrowserState.scriptsForTab[source.tabId] = BrowserState.scriptsForTab[source.tabId] || [];
BrowserState.scriptsForTab[source.tabId].push(params);
// FIXME: clear these out when page changes in tab (how?)
}
});
})();
@ -133,18 +134,22 @@ function toArray(stringOrArray) {
if (typeof stringOrArray == 'string') { return utf8(stringOrArray); }
else { return stringOrArray; }
}
const fromStringMaker = stringMaker => ({
const defineFile = (getData, setData) => ({
async getattr({path}) {
return {
st_mode: unix.S_IFREG | 0444,
st_mode: unix.S_IFREG | 0444 | (setData ? 0222 : 0),
st_nlink: 1,
st_size: toArray(await stringMaker(path)).length
st_size: toArray(await getData(path)).length
};
},
async open({path}) { return { fh: Cache.storeObject(toArray(await stringMaker(path))) }; },
async open({path}) { return { fh: Cache.storeObject(toArray(await getData(path))) }; },
async read({path, fh, size, offset}) {
return { buf: String.fromCharCode(...Cache.getObjectForHandle(fh).slice(offset, offset + size)) }
},
async write({path, buf}) {
// FIXME: patch
setData(path, buf); return {size: utf8(buf).length};
},
async release({fh}) { Cache.removeObjectForHandle(fh); return {}; }
});
@ -172,12 +177,12 @@ router["/tabs/by-id"] = {
// TODO: scripts/
(function() {
const withTab = handler => fromStringMaker(async path => {
const withTab = handler => defineFile(async path => {
const tabId = parseInt(pathComponent(path, -2));
const tab = await browser.tabs.get(tabId);
return handler(tab);
});
const fromScript = code => fromStringMaker(async path => {
const fromScript = code => defineFile(async path => {
const tabId = parseInt(pathComponent(path, -2));
return (await browser.tabs.executeScript(tabId, {code}))[0];
});
@ -186,7 +191,7 @@ router["/tabs/by-id"] = {
router["/tabs/by-id/*/title"] = withTab(tab => tab.title + "\n");
router["/tabs/by-id/*/text"] = fromScript(`document.body.innerText`);
})();
router["/tabs/by-id/*/screenshot.png"] = fromStringMaker(async path => {
router["/tabs/by-id/*/screenshot.png"] = defineFile(async path => {
const tabId = parseInt(pathComponent(path, -2));
await TabManager.debugTab(tabId); await TabManager.enableDomainForTab(tabId, "Page");
@ -201,7 +206,7 @@ router["/tabs/by-id/*/resources"] = {
return { entries: frameTree.resources.map(r => sanitize(String(r.url).slice(0, 200))) };
}
};
router["/tabs/by-id/*/resources/*"] = fromStringMaker(async path => {
router["/tabs/by-id/*/resources/*"] = defineFile(async path => {
const [tabId, suffix] = [parseInt(pathComponent(path, -3)), pathComponent(path, -1)];
await TabManager.debugTab(tabId); await TabManager.enableDomainForTab(tabId, "Page");
@ -230,13 +235,21 @@ router["/tabs/by-id/*/scripts"] = {
return { entries: BrowserState.scriptsForTab[tabId].map(params => sanitize(params.url).slice(0, 200) + "_" + params.scriptId) };
}
};
router["/tabs/by-id/*/scripts/*"] = fromStringMaker(async path => {
router["/tabs/by-id/*/scripts/*"] = defineFile(async path => {
const [tabId, suffix] = [parseInt(pathComponent(path, -3)), pathComponent(path, -1)];
await TabManager.debugTab(tabId); await TabManager.enableDomainForTab(tabId, "Debugger");
const parts = path.split("_"); const scriptId = parts[parts.length - 1];
const {scriptSource} = await sendDebuggerCommand(tabId, "Debugger.getScriptSource", {scriptId});
return scriptSource;
}, async (path, buf) => {
const [tabId, suffix] = [parseInt(pathComponent(path, -3)), pathComponent(path, -1)];
await TabManager.debugTab(tabId); await TabManager.enableDomainForTab(tabId, "Debugger");
const parts = path.split("_"); const scriptId = parts[parts.length - 1];
await sendDebuggerCommand(tabId, "Debugger.setScriptSource", {scriptId, scriptSource: buf});
return {};
});
router["/tabs/by-id/*/control"] = {
@ -247,6 +260,7 @@ router["/tabs/by-id/*/control"] = {
// can use `discard`, `remove`, `reload`, `goForward`, `goBack`...
// see https://developer.chrome.com/extensions/tabs
await new Promise(resolve => chrome.tabs[command](tabId, resolve));
return {size: utf8(buf).length};
}
};