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cryptpad/www/common/outer/userObject.js

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JavaScript

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define([
'/customize/application_config.js',
'/common/common-util.js',
'/common/common-hash.js',
'/common/common-realtime.js',
'/common/common-feedback.js',
'/customize/messages.js'
], function (AppConfig, Util, Hash, Realtime, Feedback, Messages) {
var module = {};
var clone = function (o) {
try { return JSON.parse(JSON.stringify(o)); }
catch (e) { return undefined; }
};
module.init = function (config, exp, files) {
var removeOwnedChannel = config.removeOwnedChannel || function () {
console.error("removeOwnedChannel was not provided");
};
var loggedIn = config.loggedIn;
var sharedFolder = config.sharedFolder;
var edPublic = config.edPublic;
var ROOT = exp.ROOT;
var FILES_DATA = exp.FILES_DATA;
var OLD_FILES_DATA = exp.OLD_FILES_DATA;
var UNSORTED = exp.UNSORTED;
var TRASH = exp.TRASH;
var TEMPLATE = exp.TEMPLATE;
var SHARED_FOLDERS = exp.SHARED_FOLDERS;
var debug = exp.debug;
exp.setPadAttribute = function (href, attr, value, cb) {
cb = cb || function () {};
var id = exp.getIdFromHref(href);
if (!id) { return void cb("E_INVAL_HREF"); }
if (!attr || !attr.trim()) { return void cb("E_INVAL_ATTR"); }
var data = exp.getFileData(id);
data[attr] = clone(value);
cb(null);
};
exp.getPadAttribute = function (href, attr, cb) {
cb = cb || function () {};
var id = exp.getIdFromHref(href);
if (!id) { return void cb(null, undefined); }
var data = exp.getFileData(id);
cb(null, clone(data[attr]));
};
exp.pushData = function (data, cb) {
if (typeof cb !== "function") { cb = function () {}; }
var id = Util.createRandomInteger();
files[FILES_DATA][id] = data;
cb(null, id);
};
exp.pushSharedFolder = function (data, cb) {
if (typeof cb !== "function") { cb = function () {}; }
// Check if we already have this shared folder in our drive
if (Object.keys(files[SHARED_FOLDERS]).some(function (k) {
return files[SHARED_FOLDERS][k].channel === data.channel;
})) {
return void cb ('EEXISTS');
}
// Add the folder
if (!loggedIn || !AppConfig.enablePinning || config.testMode) {
return void cb("EAUTH");
}
var id = Util.createRandomInteger();
files[SHARED_FOLDERS][id] = data;
cb(null, id);
};
// FILES DATA
var spliceFileData = function (id) {
delete files[FILES_DATA][id];
};
// Find files in FILES_DATA that are not anymore in the drive, and remove them from
// FILES_DATA. If there are owned pads, remove them from server too, unless the flag tells
// us they're already removed
exp.checkDeletedFiles = function (isOwnPadRemoved, cb) {
if (!loggedIn && !config.testMode) { return void cb(); }
var filesList = exp.getFiles([ROOT, 'hrefArray', TRASH]);
var toClean = [];
var ownedRemoved = [];
exp.getFiles([FILES_DATA, SHARED_FOLDERS]).forEach(function (id) {
if (filesList.indexOf(id) === -1) {
var fd = exp.isSharedFolder(id) ? files[SHARED_FOLDERS][id] : exp.getFileData(id);
var channelId = fd.channel;
// If trying to remove an owned pad, remove it from server also
if (!isOwnPadRemoved && !sharedFolder &&
fd.owners && fd.owners.indexOf(edPublic) !== -1 && channelId) {
if (channelId) { ownedRemoved.push(channelId); }
removeOwnedChannel(channelId, function (obj) {
if (obj && obj.error) {
// If the error is that the file is already removed, nothing to
// report, it's a normal behavior (pad expired probably)
if (obj.error.code === 'ENOENT') { return; }
// RPC may not be responding
// Send a report that can be handled manually
console.error(obj.error);
Feedback.send('ERROR_DELETING_OWNED_PAD=' + channelId + '|' + obj.error, true);
}
});
}
if (channelId) { toClean.push(channelId); }
if (exp.isSharedFolder(id)) {
delete files[SHARED_FOLDERS][id];
} else {
spliceFileData(id);
}
}
});
if (!toClean.length) { return void cb(); }
cb(null, toClean, ownedRemoved);
};
var deleteHrefs = function (ids) {
ids.forEach(function (obj) {
var idx = files[obj.root].indexOf(obj.id);
files[obj.root].splice(idx, 1);
});
};
var deleteMultipleTrashRoot = function (roots) {
roots.forEach(function (obj) {
var idx = files[TRASH][obj.name].indexOf(obj.el);
files[TRASH][obj.name].splice(idx, 1);
});
};
exp.deleteMultiplePermanently = function (paths, nocheck, isOwnPadRemoved, cb) {
var hrefPaths = paths.filter(function(x) { return exp.isPathIn(x, ['hrefArray']); });
var rootPaths = paths.filter(function(x) { return exp.isPathIn(x, [ROOT]); });
var trashPaths = paths.filter(function(x) { return exp.isPathIn(x, [TRASH]); });
var allFilesPaths = paths.filter(function(x) { return exp.isPathIn(x, [FILES_DATA]); });
if (!loggedIn && !config.testMode) {
allFilesPaths.forEach(function (path) {
var id = path[1];
if (!id) { return; }
spliceFileData(id);
});
return void cb();
}
var ids = [];
hrefPaths.forEach(function (path) {
var id = exp.find(path);
ids.push({
root: path[0],
id: id
});
});
deleteHrefs(ids);
rootPaths.forEach(function (path) {
var parentPath = path.slice();
var key = parentPath.pop();
var parentEl = exp.find(parentPath);
delete parentEl[key];
});
var trashRoot = [];
trashPaths.forEach(function (path) {
var parentPath = path.slice();
var key = parentPath.pop();
var parentEl = exp.find(parentPath);
// Trash root: we have array here, we can't just splice with the path otherwise we might break the path
// of another element in the loop
if (path.length === 4) {
trashRoot.push({
name: path[1],
el: parentEl
});
return;
}
// Trash but not root: it's just a tree so remove the key
delete parentEl[key];
});
deleteMultipleTrashRoot(trashRoot);
// In some cases, we want to remove pads from a location without removing them from
// FILES_DATA (replaceHref)
if (!nocheck) { exp.checkDeletedFiles(isOwnPadRemoved, cb); }
else { cb(); }
};
// Move
// From another drive
exp.copyFromOtherDrive = function (path, element, data) {
// Copy files data
// We have to remove pads that are already in the current proxy to make sure
// we won't create duplicates
var toRemove = [];
Object.keys(data).forEach(function (id) {
id = Number(id);
// Find and maybe update existing pads with the same channel id
var d = data[id];
var found = false;
for (var i in files[FILES_DATA]) {
if (files[FILES_DATA][i].channel === d.channel) {
// Update href?
if (!files[FILES_DATA][i].href) { files[FILES_DATA][i].href = d.href; }
found = true;
break;
}
}
if (found) {
toRemove.push(id);
return;
}
files[FILES_DATA][id] = data[id];
});
// Remove existing pads from the "element" variable
if (exp.isFile(element) && toRemove.indexOf(element) !== -1) {
exp.log(Messages.sharedFolders_duplicate);
return;
} else if (exp.isFolder(element)) {
var _removeExisting = function (root) {
for (var k in root) {
if (exp.isFile(root[k])) {
if (toRemove.indexOf(root[k]) !== -1) {
exp.log(Messages.sharedFolders_duplicate);
delete root[k];
}
} else if (exp.isFolder(root[k])) {
_removeExisting(root[k]);
}
}
};
_removeExisting(element);
}
// Copy file or folder
var newParent = exp.find(path);
var newName = exp.getAvailableName(newParent, Hash.createChannelId());
newParent[newName] = element;
};
// From the same drive
var pushToTrash = function (name, element, path) {
var trash = files[TRASH];
if (typeof(trash[name]) === "undefined") { trash[name] = []; }
var trashArray = trash[name];
var trashElement = {
element: element,
path: path
};
trashArray.push(trashElement);
};
exp.copyElement = function (elementPath, newParentPath) {
if (exp.comparePath(elementPath, newParentPath)) { return; } // Nothing to do...
var element = exp.find(elementPath);
var newParent = exp.find(newParentPath);
// Move to Trash
if (exp.isPathIn(newParentPath, [TRASH])) {
if (!elementPath || elementPath.length < 2 || elementPath[0] === TRASH) {
debug("Can't move an element from the trash to the trash: ", elementPath);
return;
}
var key = elementPath[elementPath.length - 1];
var elName = exp.isPathIn(elementPath, ['hrefArray']) ? exp.getTitle(element) : key;
var parentPath = elementPath.slice();
parentPath.pop();
pushToTrash(elName, element, parentPath);
return true;
}
// Move to hrefArray
if (exp.isPathIn(newParentPath, ['hrefArray'])) {
if (exp.isFolder(element)) {
exp.log(Messages.fo_moveUnsortedError);
return;
} else {
if (elementPath[0] === newParentPath[0]) { return; }
var fileRoot = newParentPath[0];
if (files[fileRoot].indexOf(element) === -1) {
files[fileRoot].push(element);
}
return true;
}
}
// Move to root
var newName = exp.isFile(element) ?
exp.getAvailableName(newParent, Hash.createChannelId()) :
exp.isInTrashRoot(elementPath) ?
elementPath[1] : elementPath.pop();
if (typeof(newParent[newName]) !== "undefined") {
exp.log(Messages.fo_unavailableName);
return;
}
newParent[newName] = element;
return true;
};
// FORGET (move with href not path)
exp.forget = function (href) {
var id = exp.getIdFromHref(href);
if (!id) { return; }
if (!loggedIn && !config.testMode) {
// delete permanently
spliceFileData(id);
return;
}
var paths = exp.findFile(id);
exp.move(paths, [TRASH]);
};
// REPLACE
// If all the occurences of an href are in the trash, remove them and add the file in root.
// This is use with setPadTitle when we open a stronger version of a deleted pad
exp.restoreHref = function (href) {
var idO = exp.getIdFromHref(href);
if (!idO || !exp.isFile(idO)) { return; }
var paths = exp.findFile(idO);
// Remove all the occurences in the trash
// If all the occurences are in the trash or no occurence, add the pad to root
var allInTrash = true;
paths.forEach(function (p) {
if (p[0] === TRASH) {
exp.delete(p, null, true); // 3rd parameter means skip "checkDeletedFiles"
return;
}
allInTrash = false;
});
if (allInTrash) {
exp.add(idO);
}
};
exp.add = function (id, path) {
if (!loggedIn && !config.testMode) { return; }
id = Number(id);
var data = files[FILES_DATA][id] || files[SHARED_FOLDERS][id];
if (!data || typeof(data) !== "object") { return; }
var newPath = path, parentEl;
if (path && !Array.isArray(path)) {
newPath = decodeURIComponent(path).split(',');
}
// Add to href array
if (path && exp.isPathIn(newPath, ['hrefArray'])) {
parentEl = exp.find(newPath);
parentEl.push(id);
return;
}
// Add to root if path is ROOT or if no path
var filesList = exp.getFiles([ROOT, TRASH, 'hrefArray']);
if (path && exp.isPathIn(newPath, [ROOT]) || filesList.indexOf(id) === -1) {
parentEl = exp.find(newPath || [ROOT]);
if (parentEl) {
var newName = exp.getAvailableName(parentEl, Hash.createChannelId());
parentEl[newName] = id;
return;
}
}
};
/**
* INTEGRITY CHECK
*/
exp.migrate = function (cb) {
// Make sure unsorted doesn't exist anymore
// Note: Unsorted only works with the old structure where pads are href
// It should be called before the migration code
var fixUnsorted = function () {
if (!files[UNSORTED] || !files[OLD_FILES_DATA]) { return; }
debug("UNSORTED still exists in the object, removing it...");
var us = files[UNSORTED];
if (us.length === 0) {
delete files[UNSORTED];
return;
}
us.forEach(function (el) {
if (typeof el !== "string") {
return;
}
var data = files[OLD_FILES_DATA].filter(function (x) {
return x.href === el;
});
if (data.length === 0) {
files[OLD_FILES_DATA].push({
href: el
});
}
return;
});
delete files[UNSORTED];
};
// mergeDrive...
var migrateToNewFormat = function (todo) {
if (!files[OLD_FILES_DATA]) {
return void todo();
}
try {
debug("Migrating file system...");
files.migrate = 1;
var next = function () {
var oldData = files[OLD_FILES_DATA].slice();
if (!files[FILES_DATA]) {
files[FILES_DATA] = {};
}
var newData = files[FILES_DATA];
//var oldFiles = oldData.map(function (o) { return o.href; });
oldData.forEach(function (obj) {
if (!obj || !obj.href) { return; }
var href = obj.href;
var id = Util.createRandomInteger();
var paths = exp.findFile(href);
var data = obj;
var key = Hash.createChannelId();
if (data) {
newData[id] = data;
} else {
newData[id] = {href: href};
}
paths.forEach(function (p) {
var parentPath = p.slice();
var okey = parentPath.pop(); // get the parent
var parent = exp.find(parentPath);
if (exp.isInTrashRoot(p)) {
parent.element = id;
newData[id].filename = p[1];
return;
}
if (exp.isPathIn(p, ['hrefArray'])) {
parent[okey] = id;
return;
}
// else root or trash (not trashroot)
parent[key] = id;
newData[id].filename = okey;
delete parent[okey];
});
});
delete files[OLD_FILES_DATA];
delete files.migrate;
todo();
};
if (exp.rt) {
exp.rt.sync();
// TODO
Realtime.whenRealtimeSyncs(exp.rt, next);
} else {
window.setTimeout(next, 1000);
}
} catch(e) {
console.error(e);
todo();
}
};
fixUnsorted();
migrateToNewFormat(cb);
};
exp.fixFiles = function (silent) {
// Explore the tree and check that everything is correct:
// * 'root', 'trash', 'unsorted' and 'filesData' exist and are objects
// * ROOT: Folders are objects, files are href
// * TRASH: Trash root contains only arrays, each element of the array is an object {element:.., path:..}
// * OLD_FILES_DATA: - Data (title, cdate, adte) are stored in filesData. filesData contains only href keys linking to object with title, cdate, adate.
// - Dates (adate, cdate) can be parsed/formatted
// - All files in filesData should be either in 'root', 'trash' or 'unsorted'. If that's not the case, copy the fily to 'unsorted'
// * TEMPLATE: Contains only files (href), and does not contains files that are in ROOT
if (silent) { debug = function () {}; }
debug("Cleaning file system...");
var before = JSON.stringify(files);
var fixRoot = function (elem) {
if (typeof(files[ROOT]) !== "object") { debug("ROOT was not an object"); files[ROOT] = {}; }
var element = elem || files[ROOT];
for (var el in element) {
if (!exp.isFile(element[el], true) && !exp.isFolder(element[el])) {
debug("An element in ROOT was not a folder nor a file. ", element[el]);
delete element[el];
continue;
}
if (exp.isFolder(element[el])) {
fixRoot(element[el]);
continue;
}
if (typeof element[el] === "string") {
// We have an old file (href) which is not in filesData: add it
var id = Util.createRandomInteger();
var key = Hash.createChannelId();
files[FILES_DATA][id] = {href: element[el], filename: el};
element[key] = id;
delete element[el];
}
if (typeof element[el] === "number") {
var data = files[FILES_DATA][element[el]];
if (!data) {
debug("An element in ROOT doesn't have associated data", element[el], el);
delete element[el];
}
}
}
};
var fixTrashRoot = function () {
if (sharedFolder) { return; }
if (typeof(files[TRASH]) !== "object") { debug("TRASH was not an object"); files[TRASH] = {}; }
var tr = files[TRASH];
var toClean;
var addToClean = function (obj, idx, el) {
if (typeof(obj) !== "object") { toClean.push(idx); return; }
if (!exp.isFile(obj.element, true) &&
!exp.isFolder(obj.element)) { toClean.push(idx); return; }
if (!Array.isArray(obj.path)) { toClean.push(idx); return; }
if (typeof obj.element === "string") {
// We have an old file (href) which is not in filesData: add it
var id = Util.createRandomInteger();
files[FILES_DATA][id] = {href: obj.element, filename: el};
obj.element = id;
}
if (exp.isFolder(obj.element)) { fixRoot(obj.element); }
if (typeof obj.element === "number") {
var data = files[FILES_DATA][obj.element];
if (!data) {
debug("An element in TRASH doesn't have associated data", obj.element, el);
toClean.push(idx);
}
}
};
for (var el in tr) {
if (!Array.isArray(tr[el])) {
debug("An element in TRASH root is not an array. ", tr[el]);
delete tr[el];
} else if (tr[el].length === 0) {
debug("Empty array in TRASH root. ", tr[el]);
delete tr[el];
} else {
toClean = [];
for (var j=0; j<tr[el].length; j++) {
addToClean(tr[el][j], j, el);
}
for (var i = toClean.length-1; i>=0; i--) {
tr[el].splice(toClean[i], 1);
}
}
}
};
var fixTemplate = function () {
if (sharedFolder) { return; }
if (!Array.isArray(files[TEMPLATE])) { debug("TEMPLATE was not an array"); files[TEMPLATE] = []; }
files[TEMPLATE] = Util.deduplicateString(files[TEMPLATE].slice());
var us = files[TEMPLATE];
var rootFiles = exp.getFiles([ROOT]).slice();
var toClean = [];
us.forEach(function (el, idx) {
if (!exp.isFile(el, true) || rootFiles.indexOf(el) !== -1) {
toClean.push(el);
}
if (typeof el === "string") {
// We have an old file (href) which is not in filesData: add it
var id = Util.createRandomInteger();
files[FILES_DATA][id] = {href: el};
us[idx] = id;
}
if (typeof el === "number") {
var data = files[FILES_DATA][el];
if (!data) {
debug("An element in TEMPLATE doesn't have associated data", el);
toClean.push(el);
}
}
});
toClean.forEach(function (el) {
var idx = us.indexOf(el);
if (idx !== -1) {
us.splice(idx, 1);
}
});
};
var fixFilesData = function () {
if (typeof files[FILES_DATA] !== "object") { debug("FILES_DATA was not an object"); files[FILES_DATA] = {}; }
var fd = files[FILES_DATA];
var rootFiles = exp.getFiles([ROOT, TRASH, 'hrefArray']);
var root = exp.find([ROOT]);
var toClean = [];
for (var id in fd) {
id = Number(id);
var el = fd[id];
// Clean corrupted data
if (!el || typeof(el) !== "object") {
debug("An element in filesData was not an object.", el);
toClean.push(id);
continue;
}
// Clean missing href
if (!el.href && !el.roHref) {
debug("Removing an element in filesData with a missing href.", el);
toClean.push(id);
continue;
}
var parsed = Hash.parsePadUrl(el.href || el.roHref);
var secret;
// Clean invalid hash
if (!parsed.hash) {
debug("Removing an element in filesData with a invalid href.", el);
toClean.push(id);
continue;
}
// Clean invalid type
if (!parsed.type) {
debug("Removing an element in filesData with a invalid type.", el);
toClean.push(id);
continue;
}
// If we have an edit link, check the view link
if (el.href && parsed.hashData.type === "pad") {
if (parsed.hashData.mode === "view") {
el.roHref = el.href;
delete el.href;
} else if (!el.roHref) {
secret = Hash.getSecrets(parsed.type, parsed.hash, el.password);
el.roHref = '/' + parsed.type + '/#' + Hash.getViewHashFromKeys(secret);
} else {
var parsed2 = Hash.parsePadUrl(el.roHref);
if (!parsed2.hash || !parsed2.type) {
secret = Hash.getSecrets(parsed.type, parsed.hash, el.password);
el.roHref = '/' + parsed.type + '/#' + Hash.getViewHashFromKeys(secret);
}
}
}
// Fix href
if (/^https*:\/\//.test(el.href)) { el.href = Hash.getRelativeHref(el.href); }
// Fix creation time
if (!el.ctime) { el.ctime = el.atime; }
// Fix title
if (!el.title) { el.title = Hash.getDefaultName(parsed); }
// Fix channel
if (!el.channel) {
try {
if (!secret) {
secret = Hash.getSecrets(parsed.type, parsed.hash, el.password);
}
el.channel = secret.channel;
console.log(el);
debug('Adding missing channel in filesData ', el.channel);
} catch (e) {
console.error(e);
}
}
if ((loggedIn || config.testMode) && rootFiles.indexOf(id) === -1) {
debug("An element in filesData was not in ROOT, TEMPLATE or TRASH.", id, el);
var newName = Hash.createChannelId();
root[newName] = id;
continue;
}
}
toClean.forEach(function (id) {
spliceFileData(id);
});
};
var fixSharedFolders = function () {
if (sharedFolder) { return; }
if (typeof(files[SHARED_FOLDERS]) !== "object") { debug("SHARED_FOLDER was not an object"); files[SHARED_FOLDERS] = {}; }
var sf = files[SHARED_FOLDERS];
var rootFiles = exp.getFiles([ROOT]);
var root = exp.find([ROOT]);
for (var id in sf) {
id = Number(id);
if (rootFiles.indexOf(id) === -1) {
console.log('missing' + id);
var newName = Hash.createChannelId();
root[newName] = id;
}
}
};
var fixDrive = function () {
Object.keys(files).forEach(function (key) {
if (key.slice(0,1) === '/') { delete files[key]; }
});
};
fixSharedFolders();
fixRoot();
fixTrashRoot();
fixTemplate();
fixFilesData();
fixDrive();
if (JSON.stringify(files) !== before) {
debug("Your file system was corrupted. It has been cleaned so that the pads you visit can be stored safely");
return;
}
debug("File system was clean");
};
return exp;
};
return module;
});