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background.js
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background.js
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var isActive = false;
var callback = function(details) {
if (!isActive) {
return;
}
for (var i = 0; i < details.responseHeaders.length; i++) {
if ('content-security-policy' === details.responseHeaders[i].name.toLowerCase()) {
details.responseHeaders[i].value = '';
}
}
return {
responseHeaders: details.responseHeaders
};
};
var filter = {
urls: ["*://*/*"],
types: ["main_frame", "sub_frame"]
};
chrome.webRequest.onHeadersReceived.addListener(callback, filter, ["blocking", "responseHeaders"]);
var ports = [];
chrome.runtime.onConnect.addListener(function(port) {
if (port.name !== "devtools") return;
ports.push(port);
notifyDevtools(isActive);
// Remove port when destroyed (eg when devtools instance is closed)
port.onDisconnect.addListener(function() {
var i = ports.indexOf(port);
if (i !== -1) ports.splice(i, 1);
});
port.onMessage.addListener(function(msg) {
isActive = msg;
notifyDevtools(isActive);
});
});
// Function to send a message to all devtools.html views:
function notifyDevtools(msg) {
ports.forEach(function(port) {
port.postMessage(msg);
});
}