gecko-dev/services/sync/modules/bookmark_validator.js

871 строка
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JavaScript

/* 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 { interfaces: Ci, utils: Cu } = Components;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/Timer.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://services-common/utils.js");
XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
"resource://gre/modules/PlacesUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PlacesSyncUtils",
"resource://gre/modules/PlacesSyncUtils.jsm");
Cu.importGlobalProperties(["URLSearchParams"]);
this.EXPORTED_SYMBOLS = ["BookmarkValidator", "BookmarkProblemData"];
const LEFT_PANE_ROOT_ANNO = "PlacesOrganizer/OrganizerFolder";
const LEFT_PANE_QUERY_ANNO = "PlacesOrganizer/OrganizerQuery";
const QUERY_PROTOCOL = "place:";
// Indicates if a local bookmark tree node should be excluded from syncing.
function isNodeIgnored(treeNode) {
return treeNode.annos && treeNode.annos.some(anno => anno.name == LEFT_PANE_ROOT_ANNO ||
anno.name == LEFT_PANE_QUERY_ANNO);
}
function areURLsEqual(a, b) {
if (a === b) {
return true;
}
if (a.startsWith(QUERY_PROTOCOL) != b.startsWith(QUERY_PROTOCOL)) {
return false;
}
// Tag queries are special because we rewrite them to point to the
// local tag folder ID. It's expected that the folders won't match,
// but all other params should.
let aParams = new URLSearchParams(a.slice(QUERY_PROTOCOL.length));
let aType = +aParams.get("type");
if (aType != Ci.nsINavHistoryQueryOptions.RESULTS_AS_TAG_CONTENTS) {
return false;
}
let bParams = new URLSearchParams(b.slice(QUERY_PROTOCOL.length));
let bType = +bParams.get("type");
if (bType != Ci.nsINavHistoryQueryOptions.RESULTS_AS_TAG_CONTENTS) {
return false;
}
let aKeys = new Set(aParams.keys());
let bKeys = new Set(bParams.keys());
if (aKeys.size != bKeys.size) {
return false;
}
// Tag queries shouldn't reference multiple folders, or named folders like
// "TOOLBAR" or "BOOKMARKS_MENU". Just in case, we make sure all folder IDs
// are numeric. If they are, we ignore them when comparing the query params.
if (aKeys.has("folder") && aParams.getAll("folder").every(isFinite)) {
aKeys.delete("folder");
}
if (bKeys.has("folder") && bParams.getAll("folder").every(isFinite)) {
bKeys.delete("folder");
}
for (let key of aKeys) {
if (!bKeys.has(key)) {
return false;
}
if (!CommonUtils.arrayEqual(aParams.getAll(key).sort(),
bParams.getAll(key).sort())) {
return false;
}
}
for (let key of bKeys) {
if (!aKeys.has(key)) {
return false;
}
}
return true;
}
const BOOKMARK_VALIDATOR_VERSION = 1;
/**
* Result of bookmark validation. Contains the following fields which describe
* server-side problems unless otherwise specified.
*
* - missingIDs (number): # of objects with missing ids
* - duplicates (array of ids): ids seen more than once
* - parentChildMismatches (array of {parent: parentid, child: childid}):
* instances where the child's parentid and the parent's children array
* do not match
* - cycles (array of array of ids). List of cycles found in the server-side tree.
* - clientCycles (array of array of ids). List of cycles found in the client-side tree.
* - orphans (array of {id: string, parent: string}): List of nodes with
* either no parentid, or where the parent could not be found.
* - missingChildren (array of {parent: id, child: id}):
* List of parent/children where the child id couldn't be found
* - deletedChildren (array of { parent: id, child: id }):
* List of parent/children where child id was a deleted item (but still showed up
* in the children array)
* - multipleParents (array of {child: id, parents: array of ids}):
* List of children that were part of multiple parent arrays
* - deletedParents (array of ids) : List of records that aren't deleted but
* had deleted parents
* - childrenOnNonFolder (array of ids): list of non-folders that still have
* children arrays
* - duplicateChildren (array of ids): list of records who have the same
* child listed multiple times in their children array
* - parentNotFolder (array of ids): list of records that have parents that
* aren't folders
* - rootOnServer (boolean): true if the root came from the server
* - badClientRoots (array of ids): Contains any client-side root ids where
* the root is missing or isn't a (direct) child of the places root.
*
* - clientMissing: Array of ids on the server missing from the client
* - serverMissing: Array of ids on the client missing from the server
* - serverDeleted: Array of ids on the client that the server had marked as deleted.
* - serverUnexpected: Array of ids that appear on the server but shouldn't
* because the client attempts to never upload them.
* - differences: Array of {id: string, differences: string array} recording
* the non-structural properties that are differente between the client and server
* - structuralDifferences: As above, but contains the items where the differences were
* structural, that is, they contained childGUIDs or parentid
*/
class BookmarkProblemData {
constructor() {
this.rootOnServer = false;
this.missingIDs = 0;
this.duplicates = [];
this.parentChildMismatches = [];
this.cycles = [];
this.clientCycles = [];
this.orphans = [];
this.missingChildren = [];
this.deletedChildren = [];
this.multipleParents = [];
this.deletedParents = [];
this.childrenOnNonFolder = [];
this.duplicateChildren = [];
this.parentNotFolder = [];
this.badClientRoots = [];
this.clientMissing = [];
this.serverMissing = [];
this.serverDeleted = [];
this.serverUnexpected = [];
this.differences = [];
this.structuralDifferences = [];
}
/**
* Convert ("difference", [{ differences: ["tags", "name"] }, { differences: ["name"] }]) into
* [{ name: "difference:tags", count: 1}, { name: "difference:name", count: 2 }], etc.
*/
_summarizeDifferences(prefix, diffs) {
let diffCounts = new Map();
for (let { differences } of diffs) {
for (let type of differences) {
let name = prefix + ":" + type;
let count = diffCounts.get(name) || 0;
diffCounts.set(name, count + 1);
}
}
return [...diffCounts].map(([name, count]) => ({ name, count }));
}
/**
* Produce a list summarizing problems found. Each entry contains {name, count},
* where name is the field name for the problem, and count is the number of times
* the problem was encountered.
*
* Validation has failed if all counts are not 0.
*
* If the `full` argument is truthy, we also include information about which
* properties we saw structural differences in. Currently, this means either
* "sdiff:parentid" and "sdiff:childGUIDS" may be present.
*/
getSummary(full) {
let result = [
{ name: "clientMissing", count: this.clientMissing.length },
{ name: "serverMissing", count: this.serverMissing.length },
{ name: "serverDeleted", count: this.serverDeleted.length },
{ name: "serverUnexpected", count: this.serverUnexpected.length },
{ name: "structuralDifferences", count: this.structuralDifferences.length },
{ name: "differences", count: this.differences.length },
{ name: "missingIDs", count: this.missingIDs },
{ name: "rootOnServer", count: this.rootOnServer ? 1 : 0 },
{ name: "duplicates", count: this.duplicates.length },
{ name: "parentChildMismatches", count: this.parentChildMismatches.length },
{ name: "cycles", count: this.cycles.length },
{ name: "clientCycles", count: this.clientCycles.length },
{ name: "badClientRoots", count: this.badClientRoots.length },
{ name: "orphans", count: this.orphans.length },
{ name: "missingChildren", count: this.missingChildren.length },
{ name: "deletedChildren", count: this.deletedChildren.length },
{ name: "multipleParents", count: this.multipleParents.length },
{ name: "deletedParents", count: this.deletedParents.length },
{ name: "childrenOnNonFolder", count: this.childrenOnNonFolder.length },
{ name: "duplicateChildren", count: this.duplicateChildren.length },
{ name: "parentNotFolder", count: this.parentNotFolder.length },
];
if (full) {
let structural = this._summarizeDifferences("sdiff", this.structuralDifferences);
result.push.apply(result, structural);
}
return result;
}
}
// Defined lazily to avoid initializing PlacesUtils.bookmarks too soon.
XPCOMUtils.defineLazyGetter(this, "SYNCED_ROOTS", () => [
PlacesUtils.bookmarks.menuGuid,
PlacesUtils.bookmarks.toolbarGuid,
PlacesUtils.bookmarks.unfiledGuid,
PlacesUtils.bookmarks.mobileGuid,
]);
class BookmarkValidator {
async canValidate() {
return !await PlacesSyncUtils.bookmarks.havePendingChanges();
}
async _followQueries(recordMap) {
for (let [guid, entry] of recordMap) {
if (entry.type !== "query" && (!entry.bmkUri || !entry.bmkUri.startsWith(QUERY_PROTOCOL))) {
continue;
}
// Might be worth trying to parse the place: query instead so that this
// works "automatically" with things like aboutsync.
let id;
try {
id = await PlacesUtils.promiseItemId(guid);
} catch (ex) {
// guid isn't found, so this doesn't exist locally.
continue;
}
let queryNodeParent = PlacesUtils.getFolderContents(id, false, true);
if (!queryNodeParent || !queryNodeParent.root.hasChildren) {
continue;
}
queryNodeParent = queryNodeParent.root;
let queryNode = null;
let numSiblings = 0;
let containerWasOpen = queryNodeParent.containerOpen;
queryNodeParent.containerOpen = true;
try {
try {
numSiblings = queryNodeParent.childCount;
} catch (e) {
// This throws when we can't actually get the children. This is the
// case for history containers, tag queries, ...
continue;
}
for (let i = 0; i < numSiblings && !queryNode; ++i) {
let child = queryNodeParent.getChild(i);
if (child && child.bookmarkGuid && child.bookmarkGuid === guid) {
queryNode = child;
}
}
} finally {
queryNodeParent.containerOpen = containerWasOpen;
}
if (!queryNode) {
continue;
}
let concreteId = PlacesUtils.getConcreteItemGuid(queryNode);
if (!concreteId) {
continue;
}
let concreteItem = recordMap.get(concreteId);
if (!concreteItem) {
continue;
}
entry.concrete = concreteItem;
}
}
async createClientRecordsFromTree(clientTree) {
// Iterate over the treeNode, converting it to something more similar to what
// the server stores.
let records = [];
let recordsByGuid = new Map();
let syncedRoots = SYNCED_ROOTS;
let yieldCounter = 0;
async function traverse(treeNode, synced) {
if (++yieldCounter % 50 === 0) {
await new Promise(resolve => setTimeout(resolve, 50));
}
if (!synced) {
synced = syncedRoots.includes(treeNode.guid);
} else if (isNodeIgnored(treeNode)) {
synced = false;
}
let guid = PlacesSyncUtils.bookmarks.guidToSyncId(treeNode.guid);
let itemType = "item";
treeNode.ignored = !synced;
treeNode.id = guid;
switch (treeNode.type) {
case PlacesUtils.TYPE_X_MOZ_PLACE:
let query = null;
if (treeNode.annos && treeNode.uri.startsWith(QUERY_PROTOCOL)) {
query = treeNode.annos.find(({name}) =>
name === PlacesSyncUtils.bookmarks.SMART_BOOKMARKS_ANNO);
}
if (query && query.value) {
itemType = "query";
} else {
itemType = "bookmark";
}
break;
case PlacesUtils.TYPE_X_MOZ_PLACE_CONTAINER:
let isLivemark = false;
if (treeNode.annos) {
for (let anno of treeNode.annos) {
if (anno.name === PlacesUtils.LMANNO_FEEDURI) {
isLivemark = true;
treeNode.feedUri = anno.value;
} else if (anno.name === PlacesUtils.LMANNO_SITEURI) {
isLivemark = true;
treeNode.siteUri = anno.value;
}
}
}
itemType = isLivemark ? "livemark" : "folder";
break;
case PlacesUtils.TYPE_X_MOZ_PLACE_SEPARATOR:
itemType = "separator";
break;
}
if (treeNode.tags) {
treeNode.tags = treeNode.tags.split(",");
} else {
treeNode.tags = [];
}
treeNode.type = itemType;
treeNode.pos = treeNode.index;
treeNode.bmkUri = treeNode.uri;
records.push(treeNode);
// We want to use the "real" guid here.
recordsByGuid.set(treeNode.guid, treeNode);
if (treeNode.type === "folder") {
treeNode.childGUIDs = [];
if (!treeNode.children) {
treeNode.children = [];
}
for (let child of treeNode.children) {
await traverse(child, synced);
child.parent = treeNode;
child.parentid = guid;
treeNode.childGUIDs.push(child.guid);
}
}
}
await traverse(clientTree, false);
clientTree.id = "places";
await this._followQueries(recordsByGuid);
return records;
}
/**
* Process the server-side list. Mainly this builds the records into a tree,
* but it also records information about problems, and produces arrays of the
* deleted and non-deleted nodes.
*
* Returns an object containing:
* - records:Array of non-deleted records. Each record contains the following
* properties
* - childGUIDs (array of strings, only present if type is 'folder'): the
* list of child GUIDs stored on the server.
* - children (array of records, only present if type is 'folder'):
* each record has these same properties. This may differ in content
* from what you may expect from the childGUIDs list, as it won't
* contain any records that could not be found.
* - parent (record): The parent to this record.
* - Unchanged properties send down from the server: id, title, type,
* parentName, parentid, bmkURI, keyword, tags, pos, queryId, loadInSidebar
* - root: Root of the server-side bookmark tree. Has the same properties as
* above.
* - deletedRecords: As above, but only contains items that the server sent
* where it also sent indication that the item should be deleted.
* - problemData: a BookmarkProblemData object, with the caveat that
* the fields describing client/server relationship will not have been filled
* out yet.
*/
// XXX This should be split up and the complexity reduced.
// eslint-disable-next-line complexity
async inspectServerRecords(serverRecords) {
let deletedItemIds = new Set();
let idToRecord = new Map();
let deletedRecords = [];
let folders = [];
let problemData = new BookmarkProblemData();
let resultRecords = [];
let yieldCounter = 0;
for (let record of serverRecords) {
if (!record.id) {
++problemData.missingIDs;
continue;
}
if (record.deleted) {
deletedItemIds.add(record.id);
} else if (idToRecord.has(record.id)) {
problemData.duplicates.push(record.id);
continue;
}
idToRecord.set(record.id, record);
if (record.children) {
if (record.type !== "folder") {
// Due to implementation details in engines/bookmarks.js, (Livemark
// subclassing BookmarkFolder) Livemarks will have a children array,
// but it should still be empty.
if (!record.children.length) {
continue;
}
// Otherwise we mark it as an error and still try to resolve the children
problemData.childrenOnNonFolder.push(record.id);
}
folders.push(record);
if (new Set(record.children).size !== record.children.length) {
problemData.duplicateChildren.push(record.id)
}
// The children array stores special guids as their local guid values,
// e.g. 'menu________' instead of 'menu', but all other parts of the
// serverside bookmark info stores it as the special value ('menu').
record.childGUIDs = record.children;
record.children = record.children.map(childID => {
return PlacesSyncUtils.bookmarks.guidToSyncId(childID);
});
}
if (++yieldCounter % 50 === 0) {
await new Promise(resolve => setTimeout(resolve, 50));
}
}
for (let deletedId of deletedItemIds) {
let record = idToRecord.get(deletedId);
if (record && !record.isDeleted) {
deletedRecords.push(record);
record.isDeleted = true;
}
}
let root = idToRecord.get("places");
if (!root) {
// Fabricate a root. We want to remember that it's fake so that we can
// avoid complaining about stuff like it missing it's childGUIDs later.
root = { id: "places", children: [], type: "folder", title: "", fake: true };
resultRecords.push(root);
idToRecord.set("places", root);
} else {
problemData.rootOnServer = true;
}
// Build the tree, find orphans, and record most problems having to do with
// the tree structure.
for (let [id, record] of idToRecord) {
if (record === root) {
continue;
}
if (record.isDeleted) {
continue;
}
let parentID = record.parentid;
if (!parentID) {
problemData.orphans.push({id: record.id, parent: parentID});
continue;
}
let parent = idToRecord.get(parentID);
if (!parent) {
problemData.orphans.push({id: record.id, parent: parentID});
continue;
}
if (parent.type !== "folder") {
problemData.parentNotFolder.push(record.id);
if (!parent.children) {
parent.children = [];
}
if (!parent.childGUIDs) {
parent.childGUIDs = [];
}
}
if (!record.isDeleted) {
resultRecords.push(record);
}
record.parent = parent;
if (parent !== root || problemData.rootOnServer) {
let childIndex = parent.children.indexOf(id);
if (childIndex < 0) {
problemData.parentChildMismatches.push({parent: parent.id, child: record.id});
} else {
parent.children[childIndex] = record;
}
} else {
parent.children.push(record);
}
if (parent.isDeleted && !record.isDeleted) {
problemData.deletedParents.push(record.id);
}
// We used to check if the parentName on the server matches the actual
// local parent name, but given this is used only for de-duping a record
// the first time it is seen and expensive to keep up-to-date, we decided
// to just stop recording it. See bug 1276969 for more.
}
// Check that we aren't missing any children.
for (let folder of folders) {
folder.unfilteredChildren = folder.children;
folder.children = [];
for (let ci = 0; ci < folder.unfilteredChildren.length; ++ci) {
let child = folder.unfilteredChildren[ci];
let childObject;
if (typeof child == "string") {
// This can happen the parent refers to a child that has a different
// parentid, or if it refers to a missing or deleted child. It shouldn't
// be possible with totally valid bookmarks.
childObject = idToRecord.get(child);
if (!childObject) {
problemData.missingChildren.push({parent: folder.id, child});
} else {
folder.unfilteredChildren[ci] = childObject;
if (childObject.isDeleted) {
problemData.deletedChildren.push({ parent: folder.id, child });
}
}
} else {
childObject = child;
}
if (!childObject) {
continue;
}
if (childObject.parentid === folder.id) {
folder.children.push(childObject);
continue;
}
// The child is very probably in multiple `children` arrays --
// see if we already have a problem record about it.
let currentProblemRecord = problemData.multipleParents.find(pr =>
pr.child === child);
if (currentProblemRecord) {
currentProblemRecord.parents.push(folder.id);
continue;
}
let otherParent = idToRecord.get(childObject.parentid);
// it's really an ... orphan ... sort of.
if (!otherParent) {
// if we never end up adding to this parent's list, we filter it out after this loop.
problemData.multipleParents.push({
child,
parents: [folder.id]
});
if (!problemData.orphans.some(r => r.id === child)) {
problemData.orphans.push({
id: child,
parent: childObject.parentid
});
}
continue;
}
if (otherParent.isDeleted) {
if (!problemData.deletedParents.includes(child)) {
problemData.deletedParents.push(child);
}
continue;
}
if (otherParent.childGUIDs && !otherParent.childGUIDs.includes(child)) {
if (!problemData.parentChildMismatches.some(r => r.child === child)) {
// Might not be possible to get here.
problemData.parentChildMismatches.push({ child, parent: folder.id });
}
}
problemData.multipleParents.push({
child,
parents: [childObject.parentid, folder.id]
});
}
}
problemData.multipleParents = problemData.multipleParents.filter(record =>
record.parents.length >= 2);
problemData.cycles = this._detectCycles(resultRecords);
return {
deletedRecords,
records: resultRecords,
problemData,
root,
};
}
// helper for inspectServerRecords
_detectCycles(records) {
// currentPath and pathLookup contain the same data. pathLookup is faster to
// query, but currentPath gives is the order of traversal that we need in
// order to report the members of the cycles.
let pathLookup = new Set();
let currentPath = [];
let cycles = [];
let seenEver = new Set();
const traverse = node => {
if (pathLookup.has(node)) {
let cycleStart = currentPath.lastIndexOf(node);
let cyclePath = currentPath.slice(cycleStart).map(n => n.id);
cycles.push(cyclePath);
return;
} else if (seenEver.has(node)) {
// If we're checking the server, this is a problem, but it should already be reported.
// On the client, this could happen due to including `node.concrete` in the child list.
return;
}
seenEver.add(node);
let children = node.children || [];
if (node.concrete) {
children.push(node.concrete);
}
if (children) {
pathLookup.add(node);
currentPath.push(node);
for (let child of children) {
traverse(child);
}
currentPath.pop();
pathLookup.delete(node);
}
};
for (let record of records) {
if (!seenEver.has(record)) {
traverse(record);
}
}
return cycles;
}
// Perform client-side sanity checking that doesn't involve server data
_validateClient(problemData, clientRecords) {
problemData.clientCycles = this._detectCycles(clientRecords);
for (let rootGUID of SYNCED_ROOTS) {
let record = clientRecords.find(record =>
record.guid === rootGUID);
if (!record || record.parentid !== "places") {
problemData.badClientRoots.push(rootGUID);
}
}
}
/**
* Compare the list of server records with the client tree.
*
* Returns the same data as described in the inspectServerRecords comment,
* with the following additional fields.
* - clientRecords: an array of client records in a similar format to
* the .records (ie, server records) entry.
* - problemData is the same as for inspectServerRecords, except all properties
* will be filled out.
*/
// XXX This should be split up and the complexity reduced.
// eslint-disable-next-line complexity
async compareServerWithClient(serverRecords, clientTree) {
let clientRecords = await this.createClientRecordsFromTree(clientTree);
let inspectionInfo = await this.inspectServerRecords(serverRecords);
inspectionInfo.clientRecords = clientRecords;
// Mainly do this to remove deleted items and normalize child guids.
serverRecords = inspectionInfo.records;
let problemData = inspectionInfo.problemData;
this._validateClient(problemData, clientRecords);
let allRecords = new Map();
let serverDeletedLookup = new Set(inspectionInfo.deletedRecords.map(r => r.id));
for (let sr of serverRecords) {
if (sr.fake) {
continue;
}
allRecords.set(sr.id, {client: null, server: sr});
}
for (let cr of clientRecords) {
let unified = allRecords.get(cr.id);
if (!unified) {
allRecords.set(cr.id, {client: cr, server: null});
} else {
unified.client = cr;
}
}
for (let [id, {client, server}] of allRecords) {
if (!client && server) {
problemData.clientMissing.push(id);
continue;
}
if (!server && client) {
if (serverDeletedLookup.has(id)) {
problemData.serverDeleted.push(id);
} else if (!client.ignored && client.id != "places") {
problemData.serverMissing.push(id);
}
continue;
}
if (server && client && client.ignored) {
problemData.serverUnexpected.push(id);
}
let differences = [];
let structuralDifferences = [];
// Don't bother comparing titles of roots. It's okay if locally it's
// "Mobile Bookmarks", but the server thinks it's "mobile".
// TODO: We probably should be handing other localized bookmarks (e.g.
// default bookmarks) here as well, see bug 1316041.
if (!SYNCED_ROOTS.includes(client.guid)) {
// We want to treat undefined, null and an empty string as identical
if ((client.title || "") !== (server.title || "")) {
differences.push("title");
}
}
if (client.parentid || server.parentid) {
if (client.parentid !== server.parentid) {
structuralDifferences.push("parentid");
}
}
if (client.tags || server.tags) {
let cl = client.tags ? [...client.tags].sort() : [];
let sl = server.tags ? [...server.tags].sort() : [];
if (!CommonUtils.arrayEqual(cl, sl)) {
differences.push("tags");
}
}
let sameType = client.type === server.type;
if (!sameType) {
if (server.type === "query" && client.type === "bookmark" && client.bmkUri.startsWith(QUERY_PROTOCOL)) {
sameType = true;
}
}
if (!sameType) {
differences.push("type");
} else {
switch (server.type) {
case "bookmark":
case "query":
if (!areURLsEqual(server.bmkUri, client.bmkUri)) {
differences.push("bmkUri");
}
break;
case "separator":
if (server.pos != client.pos) {
differences.push("pos");
}
break;
case "livemark":
if (server.feedUri != client.feedUri) {
differences.push("feedUri");
}
if (server.siteUri != client.siteUri) {
differences.push("siteUri");
}
break;
case "folder":
if (server.id === "places" && !problemData.rootOnServer) {
// It's the fabricated places root. It won't have the GUIDs, but
// it doesn't matter.
break;
}
if (client.childGUIDs || server.childGUIDs) {
let cl = client.childGUIDs || [];
let sl = server.childGUIDs || [];
if (!CommonUtils.arrayEqual(cl, sl)) {
structuralDifferences.push("childGUIDs");
}
}
break;
}
}
if (differences.length) {
problemData.differences.push({id, differences});
}
if (structuralDifferences.length) {
problemData.structuralDifferences.push({ id, differences: structuralDifferences });
}
}
return inspectionInfo;
}
async _getServerState(engine) {
// XXXXX - todo - we need to capture last-modified of the server here and
// ensure the repairer only applys with if-unmodified-since that date.
let collection = engine.itemSource();
let collectionKey = engine.service.collectionKeys.keyForCollection(engine.name);
collection.full = true;
let result = await collection.getBatched();
if (!result.response.success) {
throw result.response;
}
return result.records.map(record => {
record.decrypt(collectionKey);
return record.cleartext;
});
}
async validate(engine) {
let start = Date.now();
let clientTree = await PlacesUtils.promiseBookmarksTree("", {
includeItemIds: true
});
let serverState = await this._getServerState(engine);
let serverRecordCount = serverState.length;
let result = await this.compareServerWithClient(serverState, clientTree);
let end = Date.now();
let duration = end - start;
engine._log.debug(`Validated bookmarks in ${duration}ms`);
engine._log.debug(`Problem summary`);
for (let { name, count } of result.problemData.getSummary()) {
engine._log.debug(` ${name}: ${count}`);
}
return {
duration,
version: this.version,
problems: result.problemData,
recordCount: serverRecordCount
};
}
}
BookmarkValidator.prototype.version = BOOKMARK_VALIDATOR_VERSION;