2020-10-28 04:53:39 +01:00
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const TESTING = (typeof chrome === 'undefined');
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2018-11-12 01:18:21 +01:00
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const unix = {
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EPERM: 1,
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ENOENT: 2,
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ESRCH: 3,
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EINTR: 4,
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EIO: 5,
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ENXIO: 6,
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2019-02-28 08:38:12 +01:00
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ENOTSUP: 45,
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2018-11-12 01:18:21 +01:00
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// Unix file types
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S_IFMT: 0170000, // type of file mask
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S_IFIFO: 010000, // named pipe (fifo)
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S_IFCHR: 020000, // character special
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S_IFDIR: 040000, // directory
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S_IFBLK: 060000, // block special
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S_IFREG: 0100000, // regular
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S_IFLNK: 0120000, // symbolic link
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S_IFSOCK: 0140000, // socket
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}
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2020-12-02 20:58:37 +01:00
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class UnixError extends Error {
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2020-12-02 22:45:20 +01:00
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constructor(error) { super(); this.name = "UnixError"; this.error = error; }
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2018-11-22 11:52:54 +01:00
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}
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2018-11-24 07:15:29 +01:00
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// tabs/by-id/ID/title
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// tabs/by-id/ID/url
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// tabs/by-id/ID/console
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// tabs/by-id/ID/mem (?)
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// tabs/by-id/ID/cpu (?)
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// tabs/by-id/ID/screenshot.png
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2018-11-29 06:43:00 +01:00
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// tabs/by-id/ID/text.txt
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2018-11-24 07:15:29 +01:00
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// tabs/by-id/ID/printed.pdf
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// tabs/by-id/ID/control
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// tabs/by-id/ID/sources/
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function pathComponent(path, i) {
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const components = path.split('/');
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return components[i >= 0 ? i : components.length + i];
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}
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2020-12-02 22:45:20 +01:00
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function sanitize(s) { return s.replace(/[^A-Za-z0-9_\-\.]/gm, '_'); }
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2020-12-04 18:58:09 +01:00
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function utf8(str, offset, size) {
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|
// converts to UTF8, then takes slice
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var utf8 = [];
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for (var i=0; i < str.length; i++) {
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var charcode = str.charCodeAt(i);
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if (charcode < 0x80) utf8.push(charcode);
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else if (charcode < 0x800) {
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utf8.push(0xc0 | (charcode >> 6),
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0x80 | (charcode & 0x3f));
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}
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else if (charcode < 0xd800 || charcode >= 0xe000) {
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utf8.push(0xe0 | (charcode >> 12),
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0x80 | ((charcode>>6) & 0x3f),
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0x80 | (charcode & 0x3f));
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|
}
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|
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// surrogate pair
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else {
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i++;
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charcode = ((charcode&0x3ff)<<10)|(str.charCodeAt(i)&0x3ff)
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utf8.push(0xf0 | (charcode >>18),
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0x80 | ((charcode>>12) & 0x3f),
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0x80 | ((charcode>>6) & 0x3f),
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0x80 | (charcode & 0x3f));
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|
}
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|
|
}
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|
|
return String.fromCharCode(...utf8.slice(offset, offset + size))
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|
}
|
2020-10-30 07:16:06 +01:00
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|
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function stringSize(str) {
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|
|
// returns the byte length of an utf8 string
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|
var s = str.length;
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for (var i=str.length-1; i>=0; i--) {
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var code = str.charCodeAt(i);
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if (code > 0x7f && code <= 0x7ff) s++;
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else if (code > 0x7ff && code <= 0xffff) s+=2;
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|
if (code >= 0xDC00 && code <= 0xDFFF) i--; //trail surrogate
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}
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|
return s + 1;
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}
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2018-11-24 07:15:29 +01:00
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|
2020-11-22 13:30:57 +01:00
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|
const debugging = {};
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async function debugTab(tabId) {
|
2020-12-02 20:58:37 +01:00
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|
if (debugging[tabId]) {
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debugging[tabId] += 1;
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} else {
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await new Promise((resolve, reject) => chrome.debugger.attach({tabId}, "1.3", () => {
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|
|
if (chrome.runtime.lastError) {
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reject(chrome.runtime.lastError);
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|
} else {
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|
debugging[tabId] = 1;
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resolve();
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|
}
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|
}));
|
2020-11-22 13:30:57 +01:00
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|
|
}
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|
}
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function sendDebuggerCommand(tabId, method, commandParams) {
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return new Promise((resolve, reject) =>
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chrome.debugger.sendCommand({tabId}, method, commandParams, result => {
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console.log(method, result);
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|
if (result) {
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resolve(result);
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} else {
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reject(chrome.runtime.lastError);
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}
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})
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);
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}
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|
2020-11-22 22:14:54 +01:00
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let lastFocusedWindowId;
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browser.windows.getLastFocused().then(window => { lastFocusedWindowId = window.id; });
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|
browser.windows.onFocusChanged.addListener(windowId => {
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if (windowId !== -1) lastFocusedWindowId = windowId;
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});
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|
2020-10-28 04:53:39 +01:00
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/* if I could specify a custom editor interface for all the routing
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below ... I would highlight the route names in blocks of some color
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that sticks out, and let you collapse them. then you could get a
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view of what the whole filesystem looks like at a glance. */
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const router = {};
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|
2020-10-29 23:24:08 +01:00
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function withTab(handler) {
|
2020-10-28 04:53:39 +01:00
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|
return {
|
2020-12-01 01:01:56 +01:00
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async getattr({path}) {
|
2020-10-30 07:16:06 +01:00
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|
|
const tab = await browser.tabs.get(parseInt(pathComponent(path, -2)));
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return {
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|
st_mode: unix.S_IFREG | 0444,
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st_nlink: 1,
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|
st_size: stringSize(handler(tab))
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|
};
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|
},
|
2020-12-02 20:58:37 +01:00
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async open({path}) { return { fh: 0 }; },
|
2020-12-01 01:01:56 +01:00
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|
async read({path, fh, size, offset}) {
|
2020-10-28 04:53:39 +01:00
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|
const tab = await browser.tabs.get(parseInt(pathComponent(path, -2)));
|
2020-12-04 18:58:09 +01:00
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|
|
return { buf: utf8(handler(tab), offset, size) };
|
2020-10-28 04:53:39 +01:00
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|
}
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|
};
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|
}
|
2020-10-29 23:24:08 +01:00
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|
|
function fromScript(code) {
|
2020-10-28 04:53:39 +01:00
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|
return {
|
2020-12-01 01:01:56 +01:00
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async getattr({path}) {
|
2020-10-30 07:16:06 +01:00
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|
const tabId = parseInt(pathComponent(path, -2));
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|
return {
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st_mode: unix.S_IFREG | 0444,
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st_nlink: 1,
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st_size: stringSize((await browser.tabs.executeScript(tabId, {code}))[0])
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|
};
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},
|
2020-12-02 20:58:37 +01:00
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async open({path}) { return { fh: 0 }; },
|
2020-12-01 01:01:56 +01:00
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|
async read({path, fh, size, offset}) {
|
2020-10-28 04:53:39 +01:00
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|
const tabId = parseInt(pathComponent(path, -2));
|
2020-12-04 20:31:26 +01:00
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|
return { buf: utf8((await browser.tabs.executeScript(tabId, {code}))[0], offset, size) }
|
2020-10-28 04:53:39 +01:00
|
|
|
}
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|
|
};
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|
}
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|
2020-12-01 01:01:56 +01:00
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|
|
router["/tabs/by-id"] = {
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|
async readdir() {
|
2020-10-28 04:53:39 +01:00
|
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|
const tabs = await browser.tabs.query({});
|
2020-12-01 01:01:56 +01:00
|
|
|
return { entries: tabs.map(tab => String(tab.id)) };
|
2020-10-28 04:53:39 +01:00
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|
|
}
|
2020-12-01 01:01:56 +01:00
|
|
|
};
|
2020-10-28 04:53:39 +01:00
|
|
|
router["/tabs/by-id/*/url"] = withTab(tab => tab.url + "\n");
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|
router["/tabs/by-id/*/title"] = withTab(tab => tab.title + "\n");
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|
router["/tabs/by-id/*/text"] = fromScript(`document.body.innerText`);
|
2020-12-03 05:24:20 +01:00
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|
|
router["/tabs/by-id/*/screenshot.png"] = {
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|
|
async read({path, fh, size, offset}) {
|
|
|
|
const tabId = parseInt(pathComponent(path, -2));
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|
|
await debugTab(tabId);
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|
|
|
await sendDebuggerCommand(tabId, "Page.enable", {});
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|
|
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|
|
const {data} = await sendDebuggerCommand(tabId, "Page.captureScreenshot");
|
2020-12-04 20:39:26 +01:00
|
|
|
const arr = Uint8Array.from(atob(data), c => c.charCodeAt(0));
|
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|
|
const slice = arr.slice(offset, offset + size);
|
|
|
|
return { buf: String.fromCharCode(...slice) };
|
2020-12-03 05:24:20 +01:00
|
|
|
}
|
|
|
|
};
|
2020-11-22 13:30:57 +01:00
|
|
|
router["/tabs/by-id/*/resources"] = {
|
2020-12-01 01:01:56 +01:00
|
|
|
async opendir({path}) {
|
2020-11-22 13:30:57 +01:00
|
|
|
const tabId = parseInt(pathComponent(path, -2));
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|
|
await debugTab(tabId);
|
2020-12-02 20:58:37 +01:00
|
|
|
return { fh: 0 };
|
2020-11-22 13:30:57 +01:00
|
|
|
},
|
2020-12-01 01:01:56 +01:00
|
|
|
async readdir({path}) {
|
2020-11-22 13:30:57 +01:00
|
|
|
const tabId = parseInt(pathComponent(path, -2));
|
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|
|
const {frameTree} = await sendDebuggerCommand(tabId, "Page.getResourceTree", {});
|
2020-12-01 01:01:56 +01:00
|
|
|
return { entries: frameTree.resources.map(r => sanitize(String(r.url).slice(0, 200))) };
|
2020-11-22 13:30:57 +01:00
|
|
|
}
|
2020-11-22 13:42:16 +01:00
|
|
|
};
|
|
|
|
router["/tabs/by-id/*/resources/*"] = {
|
2020-12-02 06:46:21 +01:00
|
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|
async getattr({path}) {
|
2020-12-02 22:45:20 +01:00
|
|
|
// FIXME: cache the file
|
2020-11-22 20:52:08 +01:00
|
|
|
const tabId = parseInt(pathComponent(path, -3));
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|
|
const suffix = pathComponent(path, -1);
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|
|
|
|
|
if (!debugging[tabId]) throw new UnixError(unix.EIO);
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|
|
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|
|
await sendDebuggerCommand(tabId, "Page.enable", {});
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|
|
|
|
|
|
|
const {frameTree} = await sendDebuggerCommand(tabId, "Page.getResourceTree", {});
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|
|
|
for (let resource of frameTree.resources) {
|
|
|
|
const resourceSuffix = sanitize(String(resource.url).slice(0, 200));
|
|
|
|
if (resourceSuffix === suffix) {
|
|
|
|
let {base64Encoded, content} = await sendDebuggerCommand(tabId, "Page.getResourceContent", {
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|
|
frameId: frameTree.frame.id,
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|
|
url: resource.url
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|
|
});
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|
|
|
if (base64Encoded) {
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|
|
content = atob(content);
|
|
|
|
}
|
|
|
|
return {
|
|
|
|
st_mode: unix.S_IFREG | 0444,
|
|
|
|
st_nlink: 1,
|
|
|
|
st_size: stringSize(content) // FIXME
|
|
|
|
};
|
|
|
|
}
|
|
|
|
}
|
2020-12-01 01:01:56 +01:00
|
|
|
},
|
2020-12-02 06:46:21 +01:00
|
|
|
async open({path}) {
|
|
|
|
// FIXME: cache the file
|
2020-12-02 20:58:37 +01:00
|
|
|
return {fh: 3};
|
2020-11-22 20:52:08 +01:00
|
|
|
},
|
2020-12-02 06:46:21 +01:00
|
|
|
async read({path, fh, size, offset}) {
|
2020-11-22 13:42:16 +01:00
|
|
|
const tabId = parseInt(pathComponent(path, -3));
|
|
|
|
const suffix = pathComponent(path, -1);
|
|
|
|
|
|
|
|
if (!debugging[tabId]) throw new UnixError(unix.EIO);
|
|
|
|
|
|
|
|
await sendDebuggerCommand(tabId, "Page.enable", {});
|
|
|
|
|
|
|
|
const {frameTree} = await sendDebuggerCommand(tabId, "Page.getResourceTree", {});
|
|
|
|
for (let resource of frameTree.resources) {
|
|
|
|
const resourceSuffix = sanitize(String(resource.url).slice(0, 200));
|
|
|
|
if (resourceSuffix === suffix) {
|
|
|
|
let {base64Encoded, content} = await sendDebuggerCommand(tabId, "Page.getResourceContent", {
|
|
|
|
frameId: frameTree.frame.id,
|
|
|
|
url: resource.url
|
|
|
|
});
|
2020-12-04 18:58:09 +01:00
|
|
|
return { buf: utf8(base64Encoded ? atob(content) : content, offset, size) };
|
2020-11-22 13:42:16 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
throw new UnixError(unix.ENOENT);
|
2020-11-22 20:52:08 +01:00
|
|
|
},
|
2020-12-02 06:46:21 +01:00
|
|
|
async release({path, fh}) {
|
2020-11-22 20:52:08 +01:00
|
|
|
return {};
|
2020-11-22 13:42:16 +01:00
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2020-10-28 04:53:39 +01:00
|
|
|
router["/tabs/by-id/*/control"] = {
|
2020-11-06 04:09:44 +01:00
|
|
|
// echo remove >> mnt/tabs/by-id/1644/control
|
2020-12-01 01:01:56 +01:00
|
|
|
async write({path, buf}) {
|
2020-10-28 04:53:39 +01:00
|
|
|
const tabId = parseInt(pathComponent(path, -2));
|
2020-11-06 04:09:44 +01:00
|
|
|
const command = buf.trim();
|
|
|
|
// can use `discard`, `remove`, `reload`, `goForward`, `goBack`...
|
|
|
|
// see https://developer.chrome.com/extensions/tabs
|
|
|
|
await new Promise(resolve => chrome.tabs[command](tabId, resolve));
|
2020-10-28 04:53:39 +01:00
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
router["/tabs/by-title"] = {
|
2020-12-01 01:01:56 +01:00
|
|
|
async readdir() {
|
2020-10-28 04:53:39 +01:00
|
|
|
const tabs = await browser.tabs.query({});
|
2020-12-01 01:01:56 +01:00
|
|
|
return { entries: tabs.map(tab => sanitize(String(tab.title).slice(0, 200)) + "_" + String(tab.id)) };
|
2020-10-28 04:53:39 +01:00
|
|
|
}
|
|
|
|
};
|
|
|
|
router["/tabs/by-title/*"] = {
|
2020-10-29 23:56:57 +01:00
|
|
|
// a symbolic link to /tabs/by-id/[id for this tab]
|
2020-12-01 01:01:56 +01:00
|
|
|
async readlink({path}) {
|
2020-10-28 04:53:39 +01:00
|
|
|
const parts = path.split("_");
|
|
|
|
const id = parts[parts.length - 1];
|
2020-12-01 01:01:56 +01:00
|
|
|
return { buf: "../by-id/" + id };
|
2020-10-28 04:53:39 +01:00
|
|
|
}
|
|
|
|
};
|
2019-02-25 22:02:25 +01:00
|
|
|
|
2020-11-22 20:52:08 +01:00
|
|
|
router["/tabs/last-focused"] = {
|
|
|
|
// a symbolic link to /tabs/by-id/[id for this tab]
|
2020-12-01 01:01:56 +01:00
|
|
|
async readlink({path}) {
|
2020-11-22 22:14:54 +01:00
|
|
|
const id = (await browser.tabs.query({ active: true, windowId: lastFocusedWindowId }))[0].id;
|
2020-12-01 01:01:56 +01:00
|
|
|
return { buf: "by-id/" + id };
|
2020-11-22 20:52:08 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-10-29 23:56:57 +01:00
|
|
|
// Ensure that there are routes for all ancestors. This algorithm is
|
|
|
|
// probably not correct, but whatever. I also think it would be
|
|
|
|
// better to compute this stuff on the fly, so you could patch more
|
|
|
|
// routes in at runtime, but I need to think a bit about how to make
|
|
|
|
// that work with wildcards.
|
2020-10-28 04:53:39 +01:00
|
|
|
for (let key in router) {
|
|
|
|
let path = key;
|
|
|
|
while (path !== "/") { // walk upward through the path
|
|
|
|
path = path.substr(0, path.lastIndexOf("/"));
|
2020-10-28 22:14:57 +01:00
|
|
|
if (path == '') path = '/';
|
2020-10-28 04:53:39 +01:00
|
|
|
|
|
|
|
if (!router[path]) {
|
|
|
|
// find all direct children
|
2020-10-28 22:14:57 +01:00
|
|
|
let children = Object.keys(router)
|
|
|
|
.filter(k => k.startsWith(path) &&
|
|
|
|
(k.match(/\//g) || []).length ===
|
|
|
|
(path.match(/\//g) || []).length + 1)
|
|
|
|
.map(k => k.substr((path === '/' ? 0 : path.length) + 1).split('/')[0]);
|
|
|
|
children = [...new Set(children)];
|
2020-10-28 04:53:39 +01:00
|
|
|
|
2020-12-02 22:45:20 +01:00
|
|
|
router[path] = { readdir() { return { entries: children }; } };
|
2018-11-15 08:52:26 +01:00
|
|
|
}
|
|
|
|
}
|
2020-10-28 04:53:39 +01:00
|
|
|
}
|
2020-11-06 04:09:44 +01:00
|
|
|
if (TESTING) { // I wish I could color this section with... a pink background, or something.
|
2020-10-28 04:53:39 +01:00
|
|
|
const assert = require('assert');
|
|
|
|
(async () => {
|
2020-12-01 01:01:56 +01:00
|
|
|
assert.deepEqual(await router['/tabs/by-id/*'].readdir(), ['url', 'title', 'text', 'control']);
|
|
|
|
assert.deepEqual(await router['/'].readdir(), ['tabs']);
|
|
|
|
assert.deepEqual(await router['/tabs'].readdir(), ['by-id', 'by-title']);
|
2020-10-28 22:14:57 +01:00
|
|
|
|
|
|
|
assert.deepEqual(findRoute('/tabs/by-id/TABID/url'), router['/tabs/by-id/*/url']);
|
2020-10-28 04:53:39 +01:00
|
|
|
})()
|
|
|
|
}
|
2018-11-12 01:31:02 +01:00
|
|
|
|
2020-12-02 22:45:20 +01:00
|
|
|
|
|
|
|
// fill in default implementations of fs ops
|
|
|
|
for (let key in router) {
|
|
|
|
// if readdir -> directory -> add getattr, opendir, releasedir
|
|
|
|
if (router[key].readdir) {
|
|
|
|
router[key] = {
|
|
|
|
getattr() {
|
|
|
|
return {
|
|
|
|
st_mode: unix.S_IFDIR | 0755,
|
|
|
|
st_nlink: 3,
|
|
|
|
st_size: 0,
|
|
|
|
};
|
|
|
|
},
|
|
|
|
opendir({path}) { return { fh: 0 }; },
|
|
|
|
releasedir({path}) { return {}; },
|
|
|
|
...router[key]
|
|
|
|
};
|
|
|
|
|
|
|
|
} else if (router[key].readlink) {
|
|
|
|
router[key] = {
|
|
|
|
async getattr({path}) {
|
|
|
|
const st_size = (await this.readlink({path})).length + 1;
|
|
|
|
return {
|
|
|
|
st_mode: unix.S_IFLNK | 0444,
|
|
|
|
st_nlink: 1,
|
|
|
|
// You _must_ return correct linkee path length from getattr!
|
|
|
|
st_size
|
|
|
|
};
|
|
|
|
},
|
|
|
|
...router[key]
|
|
|
|
};
|
|
|
|
|
|
|
|
} else if (router[key].read || router[key].write) {
|
|
|
|
router[key] = {
|
|
|
|
async getattr() {
|
|
|
|
return {
|
|
|
|
st_mode: unix.S_IFREG | ((router[key].read && 0444) || (router[key].write && 0222)),
|
|
|
|
st_nlink: 1,
|
|
|
|
st_size: 100 // FIXME
|
|
|
|
};
|
|
|
|
},
|
|
|
|
open() {
|
|
|
|
return { fh: 0 };
|
|
|
|
},
|
|
|
|
release() {
|
|
|
|
return {};
|
|
|
|
},
|
|
|
|
...router[key]
|
|
|
|
};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-10-28 04:53:39 +01:00
|
|
|
console.log(router);
|
2018-11-15 08:52:26 +01:00
|
|
|
function findRoute(path) {
|
2019-03-02 10:48:56 +01:00
|
|
|
let pathSegments = path.split("/");
|
2020-10-28 04:53:39 +01:00
|
|
|
|
2019-03-02 10:48:56 +01:00
|
|
|
if (pathSegments[pathSegments.length - 1].startsWith("._")) {
|
|
|
|
throw new UnixError(unix.ENOTSUP); // Apple Double file for xattrs
|
|
|
|
}
|
2018-11-12 01:31:02 +01:00
|
|
|
|
2020-10-28 04:53:39 +01:00
|
|
|
let routingPath = "";
|
|
|
|
for (let segment of pathSegments) {
|
2020-10-28 22:14:57 +01:00
|
|
|
if (routingPath === "/") { routingPath = ""; }
|
|
|
|
|
|
|
|
if (router[routingPath + "/*"]) {
|
|
|
|
routingPath += "/*";
|
|
|
|
} else if (router[routingPath + "/" + segment]) {
|
2020-10-28 04:53:39 +01:00
|
|
|
routingPath += "/" + segment;
|
|
|
|
} else {
|
2020-10-28 22:14:57 +01:00
|
|
|
throw new UnixError(unix.ENOENT);
|
2020-10-28 04:53:39 +01:00
|
|
|
}
|
2018-11-12 01:31:02 +01:00
|
|
|
}
|
2020-10-28 04:53:39 +01:00
|
|
|
return router[routingPath];
|
2018-11-22 11:52:54 +01:00
|
|
|
}
|
|
|
|
|
2020-10-28 04:53:39 +01:00
|
|
|
let port;
|
|
|
|
async function onMessage(req) {
|
2020-12-03 01:57:06 +01:00
|
|
|
if (req.buf) req.buf = atob(req.buf);
|
2020-12-02 06:46:21 +01:00
|
|
|
console.log('req', req);
|
2018-11-29 18:53:03 +01:00
|
|
|
|
2020-10-28 04:53:39 +01:00
|
|
|
let response = { op: req.op, error: unix.EIO };
|
|
|
|
/* console.time(req.op + ':' + req.path);*/
|
|
|
|
try {
|
2020-12-01 01:01:56 +01:00
|
|
|
response = await findRoute(req.path)[req.op](req);
|
2020-10-28 04:53:39 +01:00
|
|
|
response.op = req.op;
|
2020-12-04 18:58:09 +01:00
|
|
|
if (response.buf) { response.buf = btoa(response.buf); }
|
2018-11-29 18:53:03 +01:00
|
|
|
|
2018-11-22 11:52:54 +01:00
|
|
|
} catch (e) {
|
2019-02-26 08:08:52 +01:00
|
|
|
console.error(e);
|
2018-11-11 20:44:36 +01:00
|
|
|
response = {
|
2018-11-22 11:52:54 +01:00
|
|
|
op: req.op,
|
|
|
|
error: e instanceof UnixError ? e.error : unix.EIO
|
|
|
|
}
|
2018-11-12 01:18:21 +01:00
|
|
|
}
|
2018-11-24 19:58:33 +01:00
|
|
|
/* console.timeEnd(req.op + ':' + req.path);*/
|
2018-11-11 14:32:44 +01:00
|
|
|
|
2020-12-02 06:46:21 +01:00
|
|
|
console.log('resp', response);
|
2020-10-22 15:47:00 +02:00
|
|
|
port.postMessage(response);
|
2018-11-11 14:32:44 +01:00
|
|
|
};
|
2018-11-29 18:53:03 +01:00
|
|
|
|
|
|
|
function tryConnect() {
|
2020-10-24 07:03:13 +02:00
|
|
|
port = chrome.runtime.connectNative('com.rsnous.tabfs');
|
2020-10-17 06:56:49 +02:00
|
|
|
port.onMessage.addListener(onMessage);
|
2020-10-28 04:53:39 +01:00
|
|
|
port.onDisconnect.addListener(p => {console.log('disconnect', p)});
|
2018-11-29 18:53:03 +01:00
|
|
|
}
|
|
|
|
|
2020-10-28 04:53:39 +01:00
|
|
|
if (!TESTING) {
|
2018-11-29 18:53:03 +01:00
|
|
|
tryConnect();
|
2020-10-28 04:53:39 +01:00
|
|
|
}
|