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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {
TIMING_KEYS,
} = require("resource://devtools/client/netmonitor/src/constants.js");
const {
getUrlDetails,
} = require("resource://devtools/client/netmonitor/src/utils/request-utils.js");
var guid = 0;
/**
* This object is responsible for importing HAR file. See HAR spec:
* https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/HAR/Overview.html
* http://www.softwareishard.com/blog/har-12-spec/
*/
var HarImporter = function (actions) {
this.actions = actions;
};
HarImporter.prototype = {
/**
* This is the main method used to import HAR data.
*/
import(har) {
const json = JSON.parse(har);
this.doImport(json);
},
doImport(har) {
this.actions.clearRequests();
// Helper map for pages.
const pages = new Map();
har.log.pages.forEach(page => {
pages.set(page.id, page);
});
// Iterate all entries/requests and generate state.
har.log.entries.forEach(entry => {
const requestId = String(++guid);
const startedMs = Date.parse(entry.startedDateTime);
// Add request
this.actions.addRequest(
requestId,
{
startedMs,
method: entry.request.method,
url: entry.request.url,
urlDetails: getUrlDetails(entry.request.url),
isXHR: false,
cause: {
loadingDocumentUri: "",
stackTraceAvailable: false,
type: "",
},
fromCache: false,
fromServiceWorker: false,
},
false
);
// Update request
const data = {
requestHeaders: {
headers: entry.request.headers,
headersSize: entry.request.headersSize,
rawHeaders: "",
},
responseHeaders: {
headers: entry.response.headers,
headersSize: entry.response.headersSize,
rawHeaders: "",
},
requestCookies: entry.request.cookies,
responseCookies: entry.response.cookies,
requestPostData: {
postData: entry.request.postData || {},
postDataDiscarded: false,
},
responseContent: {
content: entry.response.content,
contentDiscarded: false,
},
eventTimings: {
timings: entry.timings,
},
totalTime: TIMING_KEYS.reduce((sum, type) => {
const time = entry.timings[type];
return typeof time != "undefined" && time != -1 ? sum + time : sum;
}, 0),
httpVersion: entry.request.httpVersion,
contentSize: entry.response.content.size,
mimeType: entry.response.content.mimeType,
remoteAddress: entry.serverIPAddress,
remotePort: entry.connection,
status: entry.response.status,
statusText: entry.response.statusText,
transferredSize: entry.response.bodySize,
securityState: entry._securityState,
// Avoid auto-fetching data from the backend
eventTimingsAvailable: false,
requestCookiesAvailable: false,
requestHeadersAvailable: false,
responseContentAvailable: false,
responseStartAvailable: false,
responseCookiesAvailable: false,
responseHeadersAvailable: false,
securityInfoAvailable: false,
requestPostDataAvailable: false,
};
if (entry.cache.afterRequest) {
const { afterRequest } = entry.cache;
data.responseCache = {
cache: {
expires: afterRequest.expires,
fetchCount: afterRequest.fetchCount,
lastFetched: afterRequest.lastFetched,
// TODO: eTag support, see Bug 1799844.
// eTag: afterRequest.eTag,
_dataSize: afterRequest._dataSize,
_lastModified: afterRequest._lastModified,
_device: afterRequest._device,
},
};
}
this.actions.updateRequest(requestId, data, false);
// Page timing markers
const pageTimings = pages.get(entry.pageref)?.pageTimings;
let onContentLoad = (pageTimings && pageTimings.onContentLoad) || 0;
let onLoad = (pageTimings && pageTimings.onLoad) || 0;
// Set 0 as the default value
onContentLoad = onContentLoad != -1 ? onContentLoad : 0;
onLoad = onLoad != -1 ? onLoad : 0;
// Add timing markers
if (onContentLoad > 0) {
this.actions.addTimingMarker({
name: "dom-interactive",
time: startedMs + onContentLoad,
});
}
if (onLoad > 0) {
this.actions.addTimingMarker({
name: "dom-complete",
time: startedMs + onLoad,
});
}
});
},
};
// Exports from this module
exports.HarImporter = HarImporter;
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