diff options
Diffstat (limited to 'data/extensions/torproxy@icecat.gnu/background.js')
| -rw-r--r-- | data/extensions/torproxy@icecat.gnu/background.js | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/data/extensions/torproxy@icecat.gnu/background.js b/data/extensions/torproxy@icecat.gnu/background.js deleted file mode 100644 index 8a27219..0000000 --- a/data/extensions/torproxy@icecat.gnu/background.js +++ /dev/null @@ -1,149 +0,0 @@ -const DEBUG = 0;
-const DIRECT_PROXY = {
- type: 'direct'
-};
-const DEFAULT_PROXY_SETTINGS = {
- type: 'socks',
- host: '127.0.0.1',
- port: 9050,
- username: '',
- password: '',
- proxyDNS: true
-};
-let proxies = [ DIRECT_PROXY, DIRECT_PROXY ];
-var skipLocal = 1;
-var pendingRequests = [];
-var currentProxy = 0;
-
-function buttonClicked() {
- currentProxy = (currentProxy ? 0 : 1);
- browser.storage.local.set({ currentProxy: currentProxy });
- updateState();
-}
-
-function updateState() {
- if(currentProxy==0)
- {
- if (DEBUG)
- console.log('Update state (proxy off)');
- browser.browserAction.setIcon({path: "icons/p1.svg"});
- browser.browserAction.setTitle({title: "Tor Proxy (disabled)"});
- }
- else
- {
- if (DEBUG)
- console.log('Update state (proxy on)');
- browser.browserAction.setIcon({path: "icons/p2.svg"});
- browser.browserAction.setTitle({title: "Tor Proxy (enabled)"});
- }
-}
-
-function settingsChanged(settings) {
- if ("proxySettings" in settings)
- proxies[1] = settings.proxySettings.newValue;
- if ("skipLocal" in settings)
- skipLocal = settings.skipLocal.newValue;
-}
-
-function completed(requestDetails) {
- if (DEBUG) {
- console.log("completed request: " + requestDetails.requestId);
- }
- var index = pendingRequests.indexOf(requestDetails.requestId);
- if (index > -1) {
- pendingRequests.splice(index, 1);
- }
-}
-
-function provideCredentialsSync(requestDetails) {
- if (!requestDetails.isProxy)
- return;
- if (!currentProxy == 1)
- return;
- if (pendingRequests.indexOf(requestDetails.requestId) != -1) {
- //if we've seen the request before, assume bad credentials and give up
- console.log("Bad proxy credentials for request: " + requestDetails.requestId);
- return {cancel:true};
- }
- var credentials = {
- username: proxies[1].username,
- password: proxies[1].password
- }
- pendingRequests.push(requestDetails.requestId);
- if (DEBUG) {
- console.log(`Providing proxy credentials for request: ${requestDetails.requestId} username: ${credentials.username}`);
- }
- return {authCredentials: credentials};
-}
-
-function isLocalIPv4(host)
-{
- var octets = /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/.exec(host);
- if(!octets)
- return false;
- if(octets[1]>255||octets[2]>255||octets[3]>255||octets[4]>255)
- return false;
- if(octets[1]==10||octets[1]==127) //class A or local loopback
- return true;
- if(octets[1]==172&&octets[2]>=16&&octets[2]<=31) //class B
- return true;
- if(octets[1]==192&&octets[2]==168) //class C
- return true;
- return false;
-}
-
-function isLocal(host)
-{
- if(host.indexOf('.') == -1)
- return true;
- if(host.endsWith(".local"))
- return true;
- if(host=="::1")
- return true;
- return(isLocalIPv4(host));
-}
-
-function handleProxyRequest(requestInfo) {
- const url = new URL(requestInfo.url);
- var host = url.hostname;
- var proxyNum = currentProxy;
- if (skipLocal) {
- if(isLocal(host)) {
- if (DEBUG)
- console.log(`Local host detected: ${host}`);
- proxyNum = 0;
- }
- }
- if (DEBUG) {
- console.log(`Proxying: ${url.hostname}`);
- console.log(proxies[proxyNum]);
- }
- return(proxies[proxyNum]);
-}
-
-browser.storage.local.get({ currentProxy: 0, skipLocal: true, proxySettings: DEFAULT_PROXY_SETTINGS }, items=>{
- currentProxy = items.currentProxy;
- skipLocal = items.skipLocal;
- proxies[1] = items.proxySettings;
- updateState();
-});
-
-browser.storage.onChanged.addListener(settingsChanged);
-browser.browserAction.onClicked.addListener(buttonClicked);
-browser.proxy.onRequest.addListener(handleProxyRequest, {urls: ["<all_urls>"]});
-browser.proxy.onError.addListener(error => {
- console.error(`Proxy error: ${error.message}`);
-});
-browser.webRequest.onAuthRequired.addListener(
- provideCredentialsSync,
- {urls: ["<all_urls>"]},
- ["blocking"]
-);
-browser.webRequest.onCompleted.addListener(
- completed,
- {urls: ["<all_urls>"]}
-);
-browser.webRequest.onErrorOccurred.addListener(
- completed,
- {urls: ["<all_urls>"]}
-);
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