Chrome Extension – How to get HTTP Response Body?

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I can’t find better way then this anwser.

Chrome extension to read HTTP response

The answer told how to get response headers and display in another page.But there is no body info in the response obj(see event-responseReceived). If you want to get response body without another page, try this.

var currentTab;
var version = "1.0";

chrome.tabs.query( //get current Tab
    {
        currentWindow: true,
        active: true
    },
    function(tabArray) {
        currentTab = tabArray[0];
        chrome.debugger.attach({ //debug at current tab
            tabId: currentTab.id
        }, version, onAttach.bind(null, currentTab.id));
    }
)


function onAttach(tabId) {

    chrome.debugger.sendCommand({ //first enable the Network
        tabId: tabId
    }, "Network.enable");

    chrome.debugger.onEvent.addListener(allEventHandler);

}


function allEventHandler(debuggeeId, message, params) {

    if (currentTab.id != debuggeeId.tabId) {
        return;
    }

    if (message == "Network.responseReceived") { //response return 
        chrome.debugger.sendCommand({
            tabId: debuggeeId.tabId
        }, "Network.getResponseBody", {
            "requestId": params.requestId
        }, function(response) {
            // you get the response body here!
            // you can close the debugger tips by:
            chrome.debugger.detach(debuggeeId);
        });
    }

}

I think it’s useful enough for me and you can use chrome.debugger.detach(debuggeeId)to close the ugly tip.

sorry, mabye not helpful… ^ ^

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