diff options
Diffstat (limited to 'toolkit/components/aboutthirdparty/content')
3 files changed, 981 insertions, 0 deletions
diff --git a/toolkit/components/aboutthirdparty/content/aboutThirdParty.css b/toolkit/components/aboutthirdparty/content/aboutThirdParty.css new file mode 100644 index 0000000000..a72dd7fdd0 --- /dev/null +++ b/toolkit/components/aboutthirdparty/content/aboutThirdParty.css @@ -0,0 +1,124 @@ +/* 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/. */ + +.svg-common { + -moz-context-properties: fill; + fill: currentColor; + width: 16px; +} + +.svg-button { + height: 32px; + width: 32px; + min-width: 0; + padding: 0; + background-repeat: no-repeat; + background-position: center; +} + +.button-open-dir { + background-image: url(chrome://global/skin/icons/folder.svg); +} + +.button-block { + background-image: url(chrome://global/skin/icons/blocked.svg); + background-position: left 8px center; + background-repeat: no-repeat; + padding-inline-start: 2em; + -moz-context-properties: fill; + fill: currentColor; +} + +.button-block:dir(rtl) { + background-position-x: right 8px; +} + +.button-expand { + background-image: url(chrome://global/skin/icons/arrow-down.svg); +} + +.button-collapse { + background-image: url(chrome://global/skin/icons/arrow-up.svg); +} + +.card-head > img { + margin-inline-start: .5em; +} + +.image-warning { + fill: #fcd100; +} + +.blocked-by-builtin { + fill: red; +} +.button-block.module-blocked { + background-image: url(chrome://global/skin/icons/close-fill.svg); + -moz-context-properties: fill; + fill: red; +} +.button-block.module-blocked.blocklist-disabled { + fill: goldenrod; +} + + +.card { + margin-bottom: 16px; +} + +.card-head { + display: flex; + align-items: center; +} + +.module-name { + margin: 0; +} + +.module-tags { + margin-inline: .5em; +} + +.module-tag { + font-size: 12px; + white-space: nowrap; + border-radius: 4px; + border: 1px solid transparent; + background-color: var(--in-content-button-background); + padding: 0 2px; + margin-inline-end: 2px; +} + +.module-details { + font-size: 14px; + margin-top: var(--card-padding); +} + +.module-details > div { + display: flex; +} + +.module-detail-label { + width: 12em; +} + +.spacer { + flex-grow: 1; +} + +.event-table { + width: max-content; + margin-top: var(--card-padding); +} + +.event-table > thead, +.event-table > tbody > tr { + height: 28px; + vertical-align: middle; +} + +.event-table > thead > tr > th, +.event-table > tbody > tr > td { + padding-inline: 10px; +} diff --git a/toolkit/components/aboutthirdparty/content/aboutThirdParty.html b/toolkit/components/aboutthirdparty/content/aboutThirdParty.html new file mode 100644 index 0000000000..79d4180300 --- /dev/null +++ b/toolkit/components/aboutthirdparty/content/aboutThirdParty.html @@ -0,0 +1,152 @@ +<!-- 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/. --> + +<!DOCTYPE html> + +<html> + <head> + <title data-l10n-id="third-party-page-title"></title> + <meta + http-equiv="Content-Security-Policy" + content="default-src chrome:; object-src 'none'" + /> + <meta name="color-scheme" content="light dark" /> + <link + rel="stylesheet" + href="chrome://global/skin/in-content/info-pages.css" + /> + <link rel="stylesheet" href="chrome://global/content/aboutThirdParty.css" /> + <link rel="localization" href="branding/brand.ftl" /> + <link rel="localization" href="toolkit/global/processTypes.ftl" /> + <link rel="localization" href="toolkit/about/aboutThirdParty.ftl" /> + <script src="chrome://global/content/aboutThirdParty.js"></script> + </head> + <body class="wide-container"> + <h1 data-l10n-id="third-party-page-title"></h1> + <p data-l10n-id="third-party-intro"></p> + + <div class="button-container"> + <button + id="button-copy-to-clipboard" + data-l10n-id="third-party-button-copy-to-clipboard" + ></button> + <img + src="chrome://global/skin/icons/loading.png" + class="svg-common" + id="background-data-loading" + data-l10n-id="third-party-loading-data" + /> + <button + id="button-reload" + hidden + data-l10n-id="third-party-button-reload" + ></button> + </div> + + <h2 data-l10n-id="third-party-section-title"></h2> + <p id="no-data" data-l10n-id="third-party-message-empty" hidden></p> + + <div id="main"></div> + + <template name="module-detail-row"> + <div><label class="module-detail-label"></label><span></span></div> + </template> + + <template name="event-table-row"> + <tr> + <td> + <span class="process-type"></span> + (<span class="process-id"></span>) + </td> + <td> + <span class="event-duration"></span> + <span + class="module-tag tag-background" + hidden + data-l10n-id="third-party-tag-background" + ></span> + </td> + <td></td> + </tr> + </template> + + <template name="card-blocked"> + <div class="card card-no-hover"> + <div class="card-head"> + <h3 class="module-name"></h3> + <button + class="button-block" + hidden + data-l10n-id="third-party-button-to-block-module" + ></button> + </div> + </div> + </template> + + <template name="card"> + <div class="card card-no-hover"> + <div class="card-head"> + <h3 class="module-name"></h3> + <img + src="chrome://global/skin/icons/warning.svg" + class="svg-common image-warning" + hidden + data-l10n-id="third-party-icon-warning" + /> + <img + src="chrome://global/skin/icons/security-broken.svg" + class="svg-common image-unsigned" + hidden + data-l10n-id="third-party-icon-unsigned" + /> + <div class="module-tags"> + <span + class="module-tag tag-ime" + hidden + data-l10n-id="third-party-tag-ime" + ></span> + <span + class="module-tag tag-shellex" + hidden + data-l10n-id="third-party-tag-shellex" + ></span> + </div> + <button + class="svg-common svg-button button-open-dir" + data-l10n-id="third-party-button-open" + ></button> + <button + class="button-block" + hidden + data-l10n-id="third-party-button-to-block-module" + ></button> + <img + src="chrome://global/skin/icons/warning.svg" + class="svg-common blocked-by-builtin" + hidden + data-l10n-id="third-party-blocked-by-builtin" + /> + <div class="spacer"></div> + <button + class="svg-common svg-button button-expand" + data-l10n-id="third-party-button-expand" + ></button> + </div> + + <div class="module-details"></div> + + <table class="event-table" hidden> + <thead> + <tr> + <th data-l10n-id="third-party-th-process" /> + <th data-l10n-id="third-party-th-duration" /> + <th data-l10n-id="third-party-th-status" /> + </tr> + </thead> + <tbody></tbody> + </table> + </div> + </template> + </body> +</html> diff --git a/toolkit/components/aboutthirdparty/content/aboutThirdParty.js b/toolkit/components/aboutthirdparty/content/aboutThirdParty.js new file mode 100644 index 0000000000..eb1439eda8 --- /dev/null +++ b/toolkit/components/aboutthirdparty/content/aboutThirdParty.js @@ -0,0 +1,705 @@ +/* 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 { AppConstants } = ChromeUtils.importESModule( + "resource://gre/modules/AppConstants.sys.mjs" +); +const { ProcessType } = ChromeUtils.importESModule( + "resource://gre/modules/ProcessType.sys.mjs" +); + +let AboutThirdParty = null; +let CrashModuleSet = null; +let gBackgroundTasksDone = false; + +function moduleCompareForDisplay(a, b) { + // First, show blocked modules that were blocked at launch - this will keep the ordering + // consistent when the user blocks/unblocks things. + const bBlocked = + b.typeFlags & Ci.nsIAboutThirdParty.ModuleType_BlockedByUserAtLaunch + ? 1 + : 0; + const aBlocked = + a.typeFlags & Ci.nsIAboutThirdParty.ModuleType_BlockedByUserAtLaunch + ? 1 + : 0; + + let diff = bBlocked - aBlocked; + if (diff) { + return diff; + } + + // Next, show crasher modules + diff = b.isCrasher - a.isCrasher; + if (diff) { + return diff; + } + + // Then unknown-type modules + diff = a.typeFlags - b.typeFlags; + if (diff) { + return diff; + } + + // Lastly sort the remaining modules in descending order + // of duration to move up slower modules. + return b.loadingOnMain - a.loadingOnMain; +} + +async function fetchData() { + let data = null; + try { + // Wait until the module load events are ready (bug 1833152) + const sleep = delayInMs => + new Promise(resolve => setTimeout(resolve, delayInMs)); + let loadEventsReady = Services.telemetry.areUntrustedModuleLoadEventsReady; + let numberOfAttempts = 0; + // Just to make sure we don't infinite loop here. (this is normally quite + // quick) If we do hit this limit, the page will return an empty list of + // modules. + const MAX_ATTEMPTS = 30; + while (!loadEventsReady && numberOfAttempts < MAX_ATTEMPTS) { + await sleep(1000); + numberOfAttempts++; + loadEventsReady = Services.telemetry.areUntrustedModuleLoadEventsReady; + } + + data = await Services.telemetry.getUntrustedModuleLoadEvents( + Services.telemetry.INCLUDE_OLD_LOADEVENTS | + Services.telemetry.KEEP_LOADEVENTS_NEW | + Services.telemetry.INCLUDE_PRIVATE_FIELDS_IN_LOADEVENTS | + Services.telemetry.EXCLUDE_STACKINFO_FROM_LOADEVENTS + ); + } catch (e) { + // No error report in case of NS_ERROR_NOT_AVAILABLE + // because the method throws it when data is empty. + if ( + !(e instanceof Components.Exception) || + e.result != Cr.NS_ERROR_NOT_AVAILABLE + ) { + console.error(e); + } + } + + if (!data || !data.modules || !data.processes) { + return null; + } + + // The original telemetry data structure has an array of modules + // and an array of loading events referring to the module array's + // item via its index. + // To easily display data per module, we put loading events into + // a corresponding module object and return the module array. + + for (const module of data.modules) { + module.events = []; + module.loadingOnMain = { count: 0, sum: 0 }; + + const moduleName = module.dllFile?.leafName; + module.typeFlags = AboutThirdParty.lookupModuleType(moduleName); + module.isCrasher = CrashModuleSet?.has(moduleName); + + module.application = AboutThirdParty.lookupApplication( + module.dllFile?.path + ); + module.moduleName = module.dllFile?.leafName; + module.hasLoadInformation = true; + } + + let blockedModules = data.blockedModules.map(blockedModuleName => { + return { + moduleName: blockedModuleName, + typeFlags: AboutThirdParty.lookupModuleType(blockedModuleName), + isCrasher: CrashModuleSet?.has(blockedModuleName), + hasLoadInformation: false, + }; + }); + + for (const [proc, perProc] of Object.entries(data.processes)) { + for (const event of perProc.events) { + // The expected format of |proc| is <type>.<pid> like "browser.0x1234" + const [ptype, pidHex] = proc.split("."); + event.processType = ptype; + event.processID = parseInt(pidHex, 16); + + event.mainThread = + event.threadName == "MainThread" || event.threadName == "Main Thread"; + + const module = data.modules[event.moduleIndex]; + if (event.mainThread) { + ++module.loadingOnMain.count; + module.loadingOnMain.sum += event.loadDurationMS; + } + + module.events.push(event); + } + } + + for (const module of data.modules) { + const avg = module.loadingOnMain.count + ? module.loadingOnMain.sum / module.loadingOnMain.count + : 0; + module.loadingOnMain = avg; + module.events.sort((a, b) => { + const diff = a.processType.localeCompare(b.processType); + return diff ? diff : a.processID - b.processID; + }); + // If this module was blocked but not by the user, it must have been blocked + // by the static blocklist. + // But we don't know this for sure unless the background tasks were done + // by the time we gathered data about the module above. + if (gBackgroundTasksDone) { + module.isBlockedByBuiltin = + !( + module.typeFlags & + Ci.nsIAboutThirdParty.ModuleType_BlockedByUserAtLaunch + ) && + !!module.events.length && + module.events.every(e => e.loadStatus !== 0); + } else { + module.isBlockedByBuiltin = false; + } + } + + data.modules.sort(moduleCompareForDisplay); + + return { modules: data.modules, blocked: blockedModules }; +} + +function setContent(element, text, l10n) { + if (text) { + element.textContent = text; + } else if (l10n) { + document.l10n.setAttributes(element, l10n); + } +} + +function onClickOpenDir(event) { + const module = event.target.closest(".card").module; + if (!module?.dllFile) { + return; + } + module.dllFile.reveal(); +} + +// Returns whether we should restart. +async function confirmRestartPrompt() { + let [msg, title, restartButtonText, restartLaterButtonText] = + await document.l10n.formatValues([ + { id: "third-party-blocking-requires-restart" }, + { id: "third-party-should-restart-title" }, + { id: "third-party-restart-now" }, + { id: "third-party-restart-later" }, + ]); + let buttonFlags = + Services.prompt.BUTTON_POS_0 * Services.prompt.BUTTON_TITLE_IS_STRING + + Services.prompt.BUTTON_POS_1 * Services.prompt.BUTTON_TITLE_IS_STRING + + Services.prompt.BUTTON_POS_1_DEFAULT; + let buttonIndex = Services.prompt.confirmEx( + window.browsingContext.topChromeWindow, + title, + msg, + buttonFlags, + restartButtonText, + restartLaterButtonText, + null, + null, + {} + ); + return buttonIndex === 0; +} + +let processingBlockRequest = false; +async function onBlock(event) { + const module = event.target.closest(".card").module; + if (!module?.moduleName) { + return; + } + // To avoid race conditions, don't allow any modules to be blocked/unblocked + // until we've updated and written the blocklist. + if (processingBlockRequest) { + return; + } + processingBlockRequest = true; + + let updatedBlocklist = false; + try { + const wasBlocked = event.target.classList.contains("module-blocked"); + await AboutThirdParty.updateBlocklist(module.moduleName, !wasBlocked); + + event.target.classList.toggle("module-blocked"); + let blockButtonL10nId; + if (wasBlocked) { + blockButtonL10nId = "third-party-button-to-block-module"; + } else { + blockButtonL10nId = AboutThirdParty.isDynamicBlocklistDisabled + ? "third-party-button-to-unblock-module-disabled" + : "third-party-button-to-unblock-module"; + } + document.l10n.setAttributes(event.target, blockButtonL10nId); + updatedBlocklist = true; + } catch (ex) { + console.error("Failed to update the blocklist file - ", ex.result); + } finally { + processingBlockRequest = false; + } + if (updatedBlocklist && (await confirmRestartPrompt())) { + let cancelQuit = Cc["@mozilla.org/supports-PRBool;1"].createInstance( + Ci.nsISupportsPRBool + ); + Services.obs.notifyObservers( + cancelQuit, + "quit-application-requested", + "restart" + ); + if (!cancelQuit.data) { + // restart was not cancelled. + // Note that even if we're in safe mode, we don't restart + // into safe mode, because it's likely the user is trying to + // fix a crash or something, and they'd probably like to + // see if it works. + Services.startup.quit( + Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart + ); + } + } +} + +function onClickExpand(event) { + const card = event.target.closest(".card"); + const button = event.target.closest("button"); + + const table = card.querySelector(".event-table"); + if (!table) { + return; + } + + if (table.hidden) { + table.hidden = false; + button.classList.add("button-collapse"); + button.classList.remove("button-expand"); + setContent(button, null, "third-party-button-collapse"); + } else { + table.hidden = true; + button.classList.add("button-expand"); + button.classList.remove("button-collapse"); + setContent(button, null, "third-party-button-expand"); + } +} + +function createDetailRow(label, value) { + if (!document.templateDetailRow) { + document.templateDetailRow = document.querySelector( + "template[name=module-detail-row]" + ); + } + + const fragment = document.templateDetailRow.content.cloneNode(true); + setContent(fragment.querySelector("div > label"), null, label); + setContent(fragment.querySelector("div > span"), value); + return fragment; +} + +function copyDataToClipboard(aData) { + const modulesData = aData.modules.map(module => { + const copied = { + name: module.moduleName, + fileVersion: module.fileVersion, + }; + + // We include the typeFlags field only when it's not 0 because + // typeFlags == 0 means system info is not yet collected. + if (module.typeFlags) { + copied.typeFlags = module.typeFlags; + } + if (module.signedBy) { + copied.signedBy = module.signedBy; + } + if (module.isCrasher) { + copied.isCrasher = module.isCrasher; + } + if (module.companyName) { + copied.companyName = module.companyName; + } + if (module.application) { + copied.applicationName = module.application.name; + copied.applicationPublisher = module.application.publisher; + } + + if (Array.isArray(module.events)) { + copied.events = module.events.map(event => { + return { + processType: event.processType, + processID: event.processID, + threadID: event.threadID, + loadStatus: event.loadStatus, + loadDurationMS: event.loadDurationMS, + }; + }); + } + + return copied; + }); + const blockedData = aData.blocked.map(blockedModule => { + const copied = { + name: blockedModule.moduleName, + }; + // We include the typeFlags field only when it's not 0 because + // typeFlags == 0 means system info is not yet collected. + if (blockedModule.typeFlags) { + copied.typeFlags = blockedModule.typeFlags; + } + if (blockedModule.isCrasher) { + copied.isCrasher = blockedModule.isCrasher; + } + return copied; + }); + let clipboardData = { modules: modulesData, blocked: blockedData }; + + return navigator.clipboard.writeText(JSON.stringify(clipboardData, null, 2)); +} + +function correctProcessTypeForFluent(type) { + // GetProcessTypeString() in UntrustedModulesDataSerializer.cpp converted + // the "default" process type to "browser" to send as telemetry. We revert + // it to pass to ProcessType API. + const geckoType = type == "browser" ? "default" : type; + return ProcessType.fluentNameFromProcessTypeString(geckoType); +} + +function setUpBlockButton(aCard, isBlocklistDisabled, aModule) { + const blockButton = aCard.querySelector(".button-block"); + if (aModule.hasLoadInformation) { + if (!aModule.isBlockedByBuiltin) { + blockButton.hidden = aModule.typeFlags == 0; + } + } else { + // This means that this is an entry in the dynamic blocklist that + // has not attempted to load, thus we have very little information + // about it (just its name). So this should always show up. + blockButton.hidden = false; + // Bug 1808904 - don't allow unblocking this module before we've loaded + // the list of blocked modules in the background task. + blockButton.disabled = !gBackgroundTasksDone; + } + // If we haven't loaded the typeFlags yet and we don't have any load information for this + // module, default to showing that the module is blocked (because we must have gotten this + // module's info from the dynamic blocklist) + if ( + aModule.typeFlags & Ci.nsIAboutThirdParty.ModuleType_BlockedByUser || + (aModule.typeFlags == 0 && !aModule.hasLoadInformation) + ) { + blockButton.classList.add("module-blocked"); + } + + if (isBlocklistDisabled) { + blockButton.classList.add("blocklist-disabled"); + } + if (blockButton.classList.contains("module-blocked")) { + document.l10n.setAttributes( + blockButton, + isBlocklistDisabled + ? "third-party-button-to-unblock-module-disabled" + : "third-party-button-to-unblock-module" + ); + } +} + +function visualizeData(aData) { + const templateCard = document.querySelector("template[name=card]"); + const templateBlockedCard = document.querySelector( + "template[name=card-blocked]" + ); + const templateTableRow = document.querySelector( + "template[name=event-table-row]" + ); + + // These correspond to the enum ModuleLoadInfo::Status + const labelLoadStatus = [ + "third-party-status-loaded", + "third-party-status-blocked", + "third-party-status-redirected", + "third-party-status-blocked", + ]; + + const isBlocklistAvailable = + AboutThirdParty.isDynamicBlocklistAvailable && + Services.policies.isAllowed("thirdPartyModuleBlocking"); + const isBlocklistDisabled = AboutThirdParty.isDynamicBlocklistDisabled; + + const mainContentFragment = new DocumentFragment(); + + // Blocklist entries are case-insensitive + let lowercaseModuleNames = new Set( + aData.modules.map(module => module.moduleName.toLowerCase()) + ); + for (const module of aData.blocked) { + if (lowercaseModuleNames.has(module.moduleName.toLowerCase())) { + // Only show entries that we haven't already tried to load, + // because those will already show up in the page + continue; + } + const newCard = templateBlockedCard.content.cloneNode(true); + setContent(newCard.querySelector(".module-name"), module.moduleName); + // Referred by the button click handlers + newCard.querySelector(".card").module = { + moduleName: module.moduleName, + }; + + if (isBlocklistAvailable) { + setUpBlockButton(newCard, isBlocklistDisabled, module); + } + if (module.isCrasher) { + newCard.querySelector(".image-warning").hidden = false; + } + mainContentFragment.appendChild(newCard); + } + + for (const module of aData.modules) { + const newCard = templateCard.content.cloneNode(true); + const moduleName = module.moduleName; + + // Referred by the button click handlers + newCard.querySelector(".card").module = { + dllFile: module.dllFile, + moduleName: module.moduleName, + fileVersion: module.fileVersion, + }; + + setContent(newCard.querySelector(".module-name"), moduleName); + + const modTagsContainer = newCard.querySelector(".module-tags"); + if (module.typeFlags & Ci.nsIAboutThirdParty.ModuleType_IME) { + modTagsContainer.querySelector(".tag-ime").hidden = false; + } + if (module.typeFlags & Ci.nsIAboutThirdParty.ModuleType_ShellExtension) { + modTagsContainer.querySelector(".tag-shellex").hidden = false; + } + + newCard.querySelector(".blocked-by-builtin").hidden = + !module.isBlockedByBuiltin; + if (isBlocklistAvailable) { + setUpBlockButton(newCard, isBlocklistDisabled, module); + } + + if (module.isCrasher) { + newCard.querySelector(".image-warning").hidden = false; + } + + if (!module.signedBy) { + newCard.querySelector(".image-unsigned").hidden = false; + } + + const modDetailContainer = newCard.querySelector(".module-details"); + + if (module.application) { + modDetailContainer.appendChild( + createDetailRow("third-party-detail-app", module.application.name) + ); + modDetailContainer.appendChild( + createDetailRow( + "third-party-detail-publisher", + module.application.publisher + ) + ); + } + + if (module.fileVersion) { + modDetailContainer.appendChild( + createDetailRow("third-party-detail-version", module.fileVersion) + ); + } + + const vendorInfo = module.signedBy || module.companyName; + if (vendorInfo) { + modDetailContainer.appendChild( + createDetailRow("third-party-detail-vendor", vendorInfo) + ); + } + + modDetailContainer.appendChild( + createDetailRow("third-party-detail-occurrences", module.events.length) + ); + modDetailContainer.appendChild( + createDetailRow( + "third-party-detail-duration", + module.loadingOnMain || "-" + ) + ); + + const eventTable = newCard.querySelector(".event-table > tbody"); + for (const event of module.events) { + const fragment = templateTableRow.content.cloneNode(true); + + const row = fragment.querySelector("tr"); + + setContent( + row.children[0].querySelector(".process-type"), + null, + correctProcessTypeForFluent(event.processType) + ); + setContent(row.children[0].querySelector(".process-id"), event.processID); + + // Use setContent() instead of simple assignment because + // loadDurationMS can be empty (not zero) when a module is + // loaded very early in the process and we need to show + // a text in that case. + setContent( + row.children[1].querySelector(".event-duration"), + event.loadDurationMS, + "third-party-message-no-duration" + ); + row.querySelector(".tag-background").hidden = event.mainThread; + + setContent(row.children[2], null, labelLoadStatus[event.loadStatus]); + eventTable.appendChild(fragment); + } + + mainContentFragment.appendChild(newCard); + } + + const main = document.getElementById("main"); + main.appendChild(mainContentFragment); + main.addEventListener("click", onClickInMain); +} + +function onClickInMain(event) { + const classList = event.target.classList; + if (classList.contains("button-open-dir")) { + onClickOpenDir(event); + } else if (classList.contains("button-block")) { + onBlock(event); + } else if ( + classList.contains("button-expand") || + classList.contains("button-collapse") + ) { + onClickExpand(event); + } +} + +function clearVisualizedData() { + const mainDiv = document.getElementById("main"); + while (mainDiv.firstChild) { + mainDiv.firstChild.remove(); + } +} + +async function collectCrashInfo() { + const parseBigInt = maybeBigInt => { + try { + return BigInt(maybeBigInt); + } catch (e) { + console.error(e); + } + return NaN; + }; + + if (CrashModuleSet || !AppConstants.MOZ_CRASHREPORTER) { + return; + } + + const { getCrashManager } = ChromeUtils.importESModule( + "resource://gre/modules/CrashManager.sys.mjs" + ); + const crashes = await getCrashManager().getCrashes(); + CrashModuleSet = new Set( + crashes.map(crash => { + const stackInfo = crash.metadata?.StackTraces; + if (!stackInfo) { + return null; + } + + const crashAddr = parseBigInt(stackInfo.crash_info?.address); + if (typeof crashAddr !== "bigint") { + return null; + } + + // Find modules whose address range includes the crashing address. + // No need to check the type of the return value from parseBigInt + // because comparing BigInt with NaN returns false. + return stackInfo.modules?.find( + module => + crashAddr >= parseBigInt(module.base_addr) && + crashAddr < parseBigInt(module.end_addr) + )?.filename; + }) + ); +} + +async function onLoad() { + document + .getElementById("button-copy-to-clipboard") + .addEventListener("click", async e => { + e.target.disabled = true; + + const data = await fetchData(); + await copyDataToClipboard(data || []).catch(console.error); + + e.target.disabled = false; + }); + + const backgroundTasks = [ + AboutThirdParty.collectSystemInfo(), + collectCrashInfo(), + ]; + + let hasData = false; + Promise.all(backgroundTasks) + .then(() => { + gBackgroundTasksDone = true; + // Reload button will either show or is not needed, so we can hide the + // loading indicator. + document.getElementById("background-data-loading").hidden = true; + if (!hasData) { + // If all async tasks were completed before fetchData, + // or there was no data available, visualizeData shows + // full info and the reload button is not needed. + return; + } + + // Add {once: true} to prevent multiple listeners from being scheduled + const button = document.getElementById("button-reload"); + button.addEventListener( + "click", + async event => { + // Update the content with data we've already collected. + clearVisualizedData(); + visualizeData(await fetchData()); + event.target.hidden = true; + }, + { once: true } + ); + + // Coming here means visualizeData is completed before the background + // tasks are completed. Because the page does not show full information, + // we show the reload button to call visualizeData again. + button.hidden = false; + }) + .catch(console.error); + + const data = await fetchData(); + // Used for testing purposes + window.fetchDataDone = true; + + hasData = !!data?.modules.length || !!data?.blocked.length; + if (!hasData) { + document.getElementById("no-data").hidden = false; + return; + } + + visualizeData(data); +} + +try { + AboutThirdParty = Cc["@mozilla.org/about-thirdparty;1"].getService( + Ci.nsIAboutThirdParty + ); + document.addEventListener("DOMContentLoaded", onLoad, { once: true }); +} catch (ex) { + // Do nothing if we fail to create a singleton instance, + // showing the default no-module message. + console.error(ex); +} |