1 files changed, 316 insertions, 0 deletions
diff --git a/toolkit/crashreporter/content/crashes.js b/toolkit/crashreporter/content/crashes.js
new file mode 100644
index 0000000000..b8f88f285e
--- /dev/null
+++ b/toolkit/crashreporter/content/crashes.js
@@ -0,0 +1,316 @@
+/* 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/. */
+
+let reportURL;
+
+const { CrashReports } = ChromeUtils.importESModule(
+  "resource://gre/modules/CrashReports.sys.mjs"
+);
+
+ChromeUtils.defineESModuleGetters(this, {
+  CrashSubmit: "resource://gre/modules/CrashSubmit.sys.mjs",
+});
+
+document.addEventListener("DOMContentLoaded", () => {
+  populateReportLists();
+  document
+    .getElementById("clearUnsubmittedReports")
+    .addEventListener("click", () => {
+      clearUnsubmittedReports().catch(console.error);
+    });
+  document
+    .getElementById("submitAllUnsubmittedReports")
+    .addEventListener("click", () => {
+      submitAllUnsubmittedReports().catch(console.error);
+    });
+  document
+    .getElementById("clearSubmittedReports")
+    .addEventListener("click", () => {
+      clearSubmittedReports().catch(console.error);
+    });
+});
+
+const buildID = Services.appinfo.appBuildID;
+
+/**
+ * Adds the crash reports with submission buttons and links
+ * to the unsubmitted and submitted crash report lists.
+ * If breakpad.reportURL is not set, displays a misconfiguration message
+ * instead.
+ */
+function populateReportLists() {
+  try {
+    reportURL = Services.prefs.getCharPref("breakpad.reportURL");
+    // Ignore any non http/https urls
+    if (!/^https?:/i.test(reportURL)) {
+      reportURL = null;
+    }
+  } catch (e) {
+    reportURL = null;
+  }
+  if (!reportURL) {
+    document.getElementById("noConfig").classList.remove("hidden");
+    return;
+  }
+
+  const reports = CrashReports.getReports();
+  const dateFormatter = new Services.intl.DateTimeFormat(undefined, {
+    timeStyle: "short",
+    dateStyle: "short",
+  });
+  reports.forEach(report =>
+    addReportRow(report.pending, report.id, report.date, dateFormatter)
+  );
+  showAppropriateSections();
+}
+
+/**
+ * Adds a crash report with the appropriate submission button
+ * or viewing link to the unsubmitted or submitted report list
+ * based on isPending.
+ *
+ * @param {Boolean} isPending     whether the crash is up for submission
+ * @param {String}  id            the unique id of the crash report
+ * @param {Date}    date          either the date of crash or date of submission
+ * @param {Object}  dateFormatter formatter for presenting dates to users
+ */
+function addReportRow(isPending, id, date, dateFormatter) {
+  const rowTemplate = document.getElementById("crashReportRow");
+  const row = document
+    .importNode(rowTemplate.content, true)
+    .querySelector("tr");
+  row.id = id;
+
+  const cells = row.querySelectorAll("td");
+  cells[0].appendChild(document.createTextNode(id));
+  cells[1].appendChild(document.createTextNode(dateFormatter.format(date)));
+
+  if (isPending) {
+    const buttonTemplate = document.getElementById("crashSubmitButton");
+    const button = document
+      .importNode(buttonTemplate.content, true)
+      .querySelector("button");
+    const buttonText = button.querySelector("span");
+    button.addEventListener("click", () =>
+      submitPendingReport(id, row, button, buttonText, dateFormatter)
+    );
+    cells[2].appendChild(button);
+    document.getElementById("unsubmitted").appendChild(row);
+  } else {
+    const linkTemplate = document.getElementById("viewCrashLink");
+    const link = document
+      .importNode(linkTemplate.content, true)
+      .querySelector("a");
+    link.href = `${reportURL}${id}`;
+    cells[2].appendChild(link);
+    document.getElementById("submitted").appendChild(row);
+  }
+}
+
+/**
+ * Shows or hides each of the unsubmitted and submitted report list
+ * based on whether they contain at least one crash report.
+ * If hidden, the submitted report list is replaced by a message
+ * indicating that no crash reports have been submitted.
+ */
+function showAppropriateSections() {
+  let hasUnsubmitted =
+    document.getElementById("unsubmitted").childElementCount > 0;
+  document
+    .getElementById("reportListUnsubmitted")
+    .classList.toggle("hidden", !hasUnsubmitted);
+
+  let hasSubmitted = document.getElementById("submitted").childElementCount > 0;
+  document
+    .getElementById("reportListSubmitted")
+    .classList.toggle("hidden", !hasSubmitted);
+  document
+    .getElementById("noSubmittedReports")
+    .classList.toggle("hidden", hasSubmitted);
+}
+
+/**
+ * Changes the provided button to display a spinner. Then, tries to submit the
+ * crash report for the provided id. On success, removes the crash report from
+ * the list of unsubmitted crash reports and adds a new crash report to the list
+ * of submitted crash reports. On failure, changes the provided button to display
+ * a red error message.
+ *
+ * @param {String}              reportId      the unique id of the crash report
+ * @param {HTMLTableRowElement} row           the table row of the crash report
+ * @param {HTMLButtonElement}   button        the button pressed to start the submission
+ * @param {HTMLSpanElement}     buttonText    the text inside the pressed button
+ * @param {Object}              dateFormatter formatter for presenting dates to users
+ */
+function submitPendingReport(reportId, row, button, buttonText, dateFormatter) {
+  button.classList.add("submitting");
+  document.getElementById("submitAllUnsubmittedReports").disabled = true;
+  CrashSubmit.submit(reportId, CrashSubmit.SUBMITTED_FROM_ABOUT_CRASHES, {
+    noThrottle: true,
+  })
+    .then(
+      remoteCrashID => {
+        document.getElementById("unsubmitted").removeChild(row);
+        const report = CrashReports.getReports().filter(
+          report => report.id === remoteCrashID
+        );
+        addReportRow(false, remoteCrashID, report.date, dateFormatter);
+        showAppropriateSections();
+        dispatchCustomEvent("CrashSubmitSucceeded");
+      },
+      () => {
+        button.classList.remove("submitting");
+        button.classList.add("failed-to-submit");
+        document.l10n.setAttributes(
+          buttonText,
+          "submit-crash-button-failure-label"
+        );
+        dispatchCustomEvent("CrashSubmitFailed");
+      }
+    )
+    .finally(() => {
+      document.getElementById("submitAllUnsubmittedReports").disabled = false;
+    });
+}
+
+/**
+ * Deletes unsubmitted and old crash reports from the user's device.
+ * Then, hides the list of unsubmitted crash reports.
+ */
+async function clearUnsubmittedReports() {
+  const [title, description] = await document.l10n.formatValues([
+    { id: "delete-confirm-title" },
+    { id: "delete-unsubmitted-description" },
+  ]);
+  if (!Services.prompt.confirm(window, title, description)) {
+    return;
+  }
+
+  await enqueueCleanup(() => cleanupFolder(CrashReports.pendingDir.path));
+  await enqueueCleanup(clearOldReports);
+  document.getElementById("reportListUnsubmitted").classList.add("hidden");
+}
+
+/**
+ * Submits all the pending crash reports and removes all pending reports from pending reports list
+ * and add them to submitted crash reports.
+ */
+async function submitAllUnsubmittedReports() {
+  for (
+    var i = 0;
+    i < document.getElementById("unsubmitted").childNodes.length;
+    i++
+  ) {
+    document
+      .getElementById("unsubmitted")
+      .childNodes[i].cells[2].childNodes[0].click();
+  }
+}
+
+/**
+ * Deletes submitted and old crash reports from the user's device.
+ * Then, hides the list of submitted crash reports.
+ */
+async function clearSubmittedReports() {
+  const [title, description] = await document.l10n.formatValues([
+    { id: "delete-confirm-title" },
+    { id: "delete-submitted-description" },
+  ]);
+  if (!Services.prompt.confirm(window, title, description)) {
+    return;
+  }
+
+  await enqueueCleanup(async () =>
+    cleanupFolder(
+      CrashReports.submittedDir.path,
+      async entry => entry.name.startsWith("bp-") && entry.name.endsWith(".txt")
+    )
+  );
+  await enqueueCleanup(clearOldReports);
+  document.getElementById("reportListSubmitted").classList.add("hidden");
+  document.getElementById("noSubmittedReports").classList.remove("hidden");
+}
+
+/**
+ * Deletes old crash reports from the user's device.
+ */
+async function clearOldReports() {
+  const oneYearAgo = Date.now() - 31586000000;
+  await cleanupFolder(CrashReports.reportsDir.path, async entry => {
+    if (
+      !entry.name.startsWith("InstallTime") ||
+      entry.name == "InstallTime" + buildID
+    ) {
+      return false;
+    }
+
+    const stat = await IOUtils.stat(entry.path);
+    return stat.lastModified < oneYearAgo;
+  });
+}
+
+/**
+ * Deletes files from the user's device at the specified path
+ * that match the provided filter.
+ *
+ * @param {String}   path   the directory location to delete form
+ * @param {Function} filter function taking in a file entry and
+ *                          returning whether to delete the file
+ */
+async function cleanupFolder(path, filter) {
+  function entry(path) {
+    return {
+      path,
+      name: PathUtils.filename(path),
+    };
+  }
+  let children;
+  try {
+    children = await IOUtils.getChildren(path);
+  } catch (e) {
+    if (DOMException.isInstance(e) || e.name !== "NotFoundError") {
+      throw e;
+    }
+  }
+
+  for (const childPath of children) {
+    if (!filter || (await filter(entry(childPath)))) {
+      await IOUtils.remove(childPath);
+    }
+  }
+}
+
+/**
+ * Dispatches an event with the specified name.
+ *
+ * @param {String} name the name of the event
+ */
+function dispatchCustomEvent(name) {
+  document.dispatchEvent(
+    new CustomEvent(name, { bubbles: true, cancelable: false })
+  );
+}
+
+let cleanupQueue = Promise.resolve();
+
+/**
+ * Enqueue a cleanup function.
+ *
+ * Instead of directly calling cleanup functions as a result of DOM
+ * interactions, queue them through this function so that we do not have
+ * overlapping executions of cleanup functions.
+ *
+ * Cleanup functions overlapping could cause a race where one function is
+ * attempting to stat a file while another function is attempting to delete it,
+ * causing an exception.
+ *
+ * @param fn The cleanup function to call. It will be called once the last
+ *           cleanup function has resolved.
+ *
+ * @returns A promise to await instead of awaiting the cleanup function.
+ */
+function enqueueCleanup(fn) {
+  cleanupQueue = cleanupQueue.then(fn);
+  return cleanupQueue;
+}