From 53de6736feb5ab5d5a3039190ea770bfddc67ccf Mon Sep 17 00:00:00 2001
From: Omar Rizwan <omar.rizwan@gmail.com>
Date: Sat, 2 Mar 2019 12:16:08 -0800
Subject: write works to close tabs!

---
 extension/background.js | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)

(limited to 'extension')

diff --git a/extension/background.js b/extension/background.js
index 73bb579..b204876 100644
--- a/extension/background.js
+++ b/extension/background.js
@@ -198,6 +198,17 @@ const router = {
               throw new UnixError(unix.ENOENT);
             }
           }
+        },
+
+        "control": {
+          async write(path, buf) {
+            const tabId = parseInt(pathComponent(path, -2));
+            if (buf.trim() === 'close') {
+              await new Promise(resolve => chrome.tabs.remove(tabId, resolve));
+            } else {
+              throw new UnixError(unix.EIO);
+            }
+          }
         }
       }
     }
@@ -223,10 +234,10 @@ async function getattr(path) {
   let route = findRoute(path);
   if (route.getattr) {
     return route.getattr(path);
-  } else if (route.read) {
+  } else if (route.read || route.write) {
     // default file attrs
     return {
-      st_mode: unix.S_IFREG | 0444,
+      st_mode: unix.S_IFREG | ((route.read && 0444) || (route.write && 0222)),
       st_nlink: 1,
       st_size: 100 // FIXME
     };
@@ -249,16 +260,20 @@ async function read(path, fh, size, offset) {
   let route = findRoute(path);
   if (route.read) return route.read(path, fh, size, offset);
 }
-async function readlink(path) {
+async function write(path, buf, offset) {
   let route = findRoute(path);
-  if (route.readlink) return route.readlink(path);
+  if (route.write) return route.write(path, buf, offset);
 }
-
 async function release(path, fh) {
   let route = findRoute(path);
   if (route.release) return route.release(path, fh);
 }
 
+async function readlink(path) {
+  let route = findRoute(path);
+  if (route.readlink) return route.readlink(path);
+}
+
 async function opendir(path) {
   let route = findRoute(path);
   if (route.opendir) return route.opendir(path);
@@ -305,6 +320,14 @@ async function onmessage(event) {
       };
       if (ret.base64Encoded) response.base64Encoded = ret.base64Encoded;
 
+    } else if (req.op === 'write') {
+      // FIXME: decide whether base64 should be handled here
+      // or in a higher layer?
+      const ret = await write(req.path, atob(req.buf), req.offset)
+      response = {
+        op: 'write'
+      };
+
     } else if (req.op === 'release') {
       await release(req.path, req.fh);
       response = {
-- 
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