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-rw-r--r--src/fields/util.ts191
1 files changed, 175 insertions, 16 deletions
diff --git a/src/fields/util.ts b/src/fields/util.ts
index 54e7eca28..4c71572db 100644
--- a/src/fields/util.ts
+++ b/src/fields/util.ts
@@ -1,14 +1,16 @@
import { UndoManager } from "../client/util/UndoManager";
-import { Doc, Field, FieldResult, UpdatingFromServer, LayoutSym, AclSym, AclPrivate } from "./Doc";
+import { Doc, FieldResult, UpdatingFromServer, LayoutSym, AclPrivate, AclEdit, AclReadonly, AclAddonly, AclSym, CachedUpdates, DataSym, DocListCast, AclAdmin, FieldsSym, HeightSym, WidthSym, fetchProto } from "./Doc";
import { SerializationHelper } from "../client/util/SerializationHelper";
import { ProxyField, PrefetchProxy } from "./Proxy";
import { RefField } from "./RefField";
import { ObjectField } from "./ObjectField";
import { action, trace } from "mobx";
-import { Parent, OnUpdate, Update, Id, SelfProxy, Self } from "./FieldSymbols";
+import { Parent, OnUpdate, Update, Id, SelfProxy, Self, HandleUpdate } from "./FieldSymbols";
import { DocServer } from "../client/DocServer";
import { ComputedField } from "./ScriptField";
-import { ScriptCast } from "./Types";
+import { ScriptCast, StrCast } from "./Types";
+import { returnZero } from "../Utils";
+
function _readOnlySetter(): never {
throw new Error("Documents can't be modified in read-only mode");
@@ -33,7 +35,6 @@ export namespace Plugins {
}
const _setterImpl = action(function (target: any, prop: string | symbol | number, value: any, receiver: any): boolean {
- //console.log("-set " + target[SelfProxy].title + "(" + target[SelfProxy][prop] + ")." + prop.toString() + " = " + value);
if (SerializationHelper.IsSerializing()) {
target[prop] = value;
return true;
@@ -66,18 +67,25 @@ const _setterImpl = action(function (target: any, prop: string | symbol | number
delete curValue[Parent];
delete curValue[OnUpdate];
}
+
+ const effectiveAcl = GetEffectiveAcl(target);
+
const writeMode = DocServer.getFieldWriteMode(prop as string);
const fromServer = target[UpdatingFromServer];
const sameAuthor = fromServer || (receiver.author === Doc.CurrentUserEmail);
- const writeToDoc = sameAuthor || (writeMode !== DocServer.WriteMode.LiveReadonly);
- const writeToServer = sameAuthor || (writeMode === DocServer.WriteMode.Default);
+ const writeToDoc = sameAuthor || effectiveAcl === AclEdit || effectiveAcl === AclAdmin || (writeMode !== DocServer.WriteMode.LiveReadonly);
+ const writeToServer = (sameAuthor || effectiveAcl === AclEdit || effectiveAcl === AclAdmin || writeMode === DocServer.WriteMode.Default) && !DocServer.Control.isReadOnly();// && !playgroundMode;
+
if (writeToDoc) {
if (value === undefined) {
+ target.__fieldKeys && (delete target.__fieldKeys[prop]);
delete target.__fields[prop];
} else {
+ target.__fieldKeys && (target.__fieldKeys[prop] = true);
target.__fields[prop] = value;
}
- if (typeof value === "object" && !(value instanceof ObjectField)) debugger;
+ //if (typeof value === "object" && !(value instanceof ObjectField)) debugger;
+
if (writeToServer) {
if (value === undefined) target[Update]({ '$unset': { ["fields." + prop]: "" } });
else target[Update]({ '$set': { ["fields." + prop]: value instanceof ObjectField ? SerializationHelper.Serialize(value) : (value === undefined ? null : value) } });
@@ -88,8 +96,9 @@ const _setterImpl = action(function (target: any, prop: string | symbol | number
redo: () => receiver[prop] = value,
undo: () => receiver[prop] = curValue
});
+ return true;
}
- return true;
+ return false;
});
let _setter: (target: any, prop: string | symbol | number, value: any, receiver: any) => boolean = _setterImpl;
@@ -101,12 +110,163 @@ export function makeReadOnly() {
export function makeEditable() {
_setter = _setterImpl;
}
+var _overrideAcl = false;
+export function OVERRIDE_ACL(val: boolean) {
+ _overrideAcl = val;
+}
+
+// playground mode allows the user to add/delete documents or make layout changes without them saving to the server
+// let playgroundMode = false;
+
+// export function togglePlaygroundMode() {
+// playgroundMode = !playgroundMode;
+// }
+
+// the list of groups that the current user is a member of
+let currentUserGroups: string[] = [];
+
+// called from GroupManager once the groups have been fetched from the server
+export function setGroups(groups: string[]) {
+ currentUserGroups = groups;
+}
+
+/**
+ * These are the various levels of access a user can have to a document.
+ *
+ * Admin: a user with admin access to a document can remove/edit that document, add/remove/edit annotations (depending on permissions), as well as change others' access rights to that document.
+ *
+ * Edit: a user with edit access to a document can remove/edit that document, add/remove/edit annotations (depending on permissions), but not change any access rights to that document.
+ *
+ * Add: a user with add access to a document can add documents/annotations to that document but cannot edit or delete anything.
+ *
+ * View: a user with view access to a document can only view it - they cannot add/remove/edit anything.
+ *
+ * None: the document is not shared with that user.
+ */
+export enum SharingPermissions {
+ Admin = "Admin",
+ Edit = "Can Edit",
+ Add = "Can Add",
+ View = "Can View",
+ None = "Not Shared"
+}
+
+/**
+ * Calculates the effective access right to a document for the current user.
+ */
+export function GetEffectiveAcl(target: any, in_prop?: string | symbol | number): symbol {
+ if (!target) return AclPrivate;
+ if (in_prop === UpdatingFromServer || target[UpdatingFromServer]) return AclAdmin;
+
+ if (target[AclSym] && Object.keys(target[AclSym]).length) {
+
+ // if the current user is the author of the document / the current user is a member of the admin group
+ // but not if the doc in question is an alias - the current user will be the author of their alias rather than the original author
+ if ((Doc.CurrentUserEmail === (target.__fields?.author || target.author) && !(target.aliasOf || target.__fields?.aliasOf)) || currentUserGroups.includes("admin")) return AclAdmin;
+
+ // if the ACL is being overriden or the property being modified is one of the playground fields (which can be freely modified)
+ if (_overrideAcl || (in_prop && DocServer.PlaygroundFields?.includes(in_prop.toString()))) return AclEdit;
+
+ let effectiveAcl = AclPrivate;
+ const HierarchyMapping = new Map<symbol, number>([
+ [AclPrivate, 0],
+ [AclReadonly, 1],
+ [AclAddonly, 2],
+ [AclEdit, 3],
+ [AclAdmin, 4]
+ ]);
+
+ for (const [key, value] of Object.entries(target[AclSym])) {
+ // there are issues with storing fields with . in the name, so they are replaced with _ during creation
+ // as a result we need to restore them again during this comparison.
+ if (currentUserGroups.includes(key.substring(4)) || Doc.CurrentUserEmail === key.substring(4).replace("_", ".")) {
+ if (HierarchyMapping.get(value as symbol)! > HierarchyMapping.get(effectiveAcl)!) {
+ effectiveAcl = value as symbol;
+ if (effectiveAcl === AclAdmin) break;
+ }
+ }
+ }
+ // if we're in playground mode, return AclEdit (or AclAdmin if that's the user's effectiveAcl)
+ return DocServer?.Control?.isReadOnly?.() && HierarchyMapping.get(effectiveAcl)! < 3 ? AclEdit : effectiveAcl;
+ }
+ return AclAdmin;
+}
+/**
+ * Recursively distributes the access right for a user across the children of a document and its annotations.
+ * @param key the key storing the access right (e.g. ACL-groupname)
+ * @param acl the access right being stored (e.g. "Can Edit")
+ * @param target the document on which this access right is being set
+ * @param inheritingFromCollection whether the target is being assigned rights after being dragged into a collection (and so is inheriting the ACLs from the collection)
+ * inheritingFromCollection is not currently being used but could be used if ACL assignment defaults change
+ */
+export function distributeAcls(key: string, acl: SharingPermissions, target: Doc, inheritingFromCollection?: boolean) {
+
+ const HierarchyMapping = new Map<string, number>([
+ ["Not Shared", 0],
+ ["Can View", 1],
+ ["Can Add", 2],
+ ["Can Edit", 3],
+ ["Admin", 4]
+ ]);
+
+ let changed = false; // determines whether fetchProto should be called or not (i.e. is there a change that should be reflected in target[AclSym])
+ const dataDoc = target[DataSym];
+
+ // if it is inheriting from a collection, it only inherits if A) the key doesn't already exist or B) the right being inherited is more restrictive
+ if (!inheritingFromCollection || !target[key] || HierarchyMapping.get(StrCast(target[key]))! > HierarchyMapping.get(acl)!) {
+ target[key] = acl;
+ changed = true;
+
+ // maps over the aliases of the document
+ if (target.aliases) {
+ DocListCast(target.aliases).map(alias => {
+ distributeAcls(key, acl, alias, inheritingFromCollection);
+ });
+ }
+
+ }
+
+ if (dataDoc && (!inheritingFromCollection || !dataDoc[key] || HierarchyMapping.get(StrCast(dataDoc[key]))! > HierarchyMapping.get(acl)!)) {
+ dataDoc[key] = acl;
+ changed = true;
+
+ // maps over the children of the document
+ DocListCast(dataDoc[Doc.LayoutFieldKey(dataDoc)]).map(d => {
+ if (d.author === Doc.CurrentUserEmail && (!inheritingFromCollection || !d[key] || HierarchyMapping.get(StrCast(d[key]))! > HierarchyMapping.get(acl)!)) {
+ distributeAcls(key, acl, d, inheritingFromCollection);
+ }
+ const data = d[DataSym];
+ if (data && data.author === Doc.CurrentUserEmail && (!inheritingFromCollection || !data[key] || HierarchyMapping.get(StrCast(data[key]))! > HierarchyMapping.get(acl)!)) {
+ distributeAcls(key, acl, data, inheritingFromCollection);
+ }
+ });
+
+ // maps over the annotations of the document
+ DocListCast(dataDoc[Doc.LayoutFieldKey(dataDoc) + "-annotations"]).map(d => {
+ if (d.author === Doc.CurrentUserEmail && (!inheritingFromCollection || !d[key] || HierarchyMapping.get(StrCast(d[key]))! > HierarchyMapping.get(acl)!)) {
+ distributeAcls(key, acl, d, inheritingFromCollection);
+ }
+ const data = d[DataSym];
+ if (data && data.author === Doc.CurrentUserEmail && (!inheritingFromCollection || !data[key] || HierarchyMapping.get(StrCast(data[key]))! > HierarchyMapping.get(acl)!)) {
+ distributeAcls(key, acl, data, inheritingFromCollection);
+ }
+ });
+ }
+
+ changed && fetchProto(target); // updates target[AclSym] when changes to acls have been made
+}
const layoutProps = ["panX", "panY", "width", "height", "nativeWidth", "nativeHeight", "fitWidth", "fitToBox",
- "LODdisable", "chromeStatus", "viewType", "gridGap", "xMargin", "yMargin", "autoHeight"];
+ "chromeStatus", "viewType", "gridGap", "xMargin", "yMargin", "autoHeight"];
export function setter(target: any, in_prop: string | symbol | number, value: any, receiver: any): boolean {
let prop = in_prop;
- if (target[AclSym]) return true;
+ const effectiveAcl = GetEffectiveAcl(target, in_prop);
+ if (effectiveAcl !== AclEdit && effectiveAcl !== AclAdmin) return true;
+
+ // if you're trying to change an acl but don't have Admin access / you're trying to change it to something that isn't an acceptable acl, you can't
+ if (typeof prop === "string" && prop.startsWith("ACL") && (effectiveAcl !== AclAdmin || ![...Object.values(SharingPermissions), undefined].includes(value))) return true;
+ // if (typeof prop === "string" && prop.startsWith("ACL") && !["Can Edit", "Can Add", "Can View", "Not Shared", undefined].includes(value)) return true;
+
if (typeof prop === "string" && prop !== "__id" && prop !== "__fields" && (prop.startsWith("_") || layoutProps.includes(prop))) {
if (!prop.startsWith("_")) {
console.log(prop + " is deprecated - switch to _" + prop);
@@ -125,8 +285,10 @@ export function setter(target: any, in_prop: string | symbol | number, value: an
export function getter(target: any, in_prop: string | symbol | number, receiver: any): any {
let prop = in_prop;
- if (in_prop === AclSym) return target[AclSym];
- if (target[AclSym] === AclPrivate) return undefined;
+
+ if (in_prop === FieldsSym || in_prop === Id || in_prop === HandleUpdate || in_prop === CachedUpdates) return target.__fields[prop] || target[prop];
+ if (in_prop === AclSym) return _overrideAcl ? undefined : target[AclSym];
+ if (GetEffectiveAcl(target) === AclPrivate && !_overrideAcl) return prop === HeightSym || prop === WidthSym ? returnZero : undefined;
if (prop === LayoutSym) {
return target.__LAYOUT__;
}
@@ -151,9 +313,6 @@ export function getter(target: any, in_prop: string | symbol | number, receiver:
function getFieldImpl(target: any, prop: string | number, receiver: any, ignoreProto: boolean = false): any {
receiver = receiver || target[SelfProxy];
- if (target === undefined) {
- console.log("");
- }
let field = target.__fields[prop];
for (const plugin of getterPlugins) {
const res = plugin(receiver, prop, field);
@@ -166,7 +325,7 @@ function getFieldImpl(target: any, prop: string | number, receiver: any, ignoreP
}
if (field === undefined && !ignoreProto && prop !== "proto") {
const proto = getFieldImpl(target, "proto", receiver, true);//TODO tfs: instead of receiver we could use target[SelfProxy]... I don't which semantics we want or if it really matters
- if (proto instanceof Doc && proto[AclSym] !== AclPrivate) {
+ if (proto instanceof Doc && GetEffectiveAcl(proto) !== AclPrivate) {
return getFieldImpl(proto[Self], prop, receiver, ignoreProto);
}
return undefined;