mattermost-mobile/app/utils/apps.ts
Daniel Espino García 732b17a75c
Add post props validation (#8323)
* Validate props

* Add calls changes and fix attachments

* Address feedback
2024-11-28 15:59:30 +01:00

550 lines
14 KiB
TypeScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import {AppBindingLocations, AppCallResponseTypes, AppFieldTypes} from '@constants/apps';
import {generateId} from './general';
import {isArrayOf, isStringArray} from './types';
export function cleanBinding(binding: AppBinding, topLocation: string): AppBinding|null {
return cleanBindingRec(binding, topLocation, 0);
}
function cleanBindingRec(binding: AppBinding, topLocation: string, depth: number): AppBinding|null {
if (!binding) {
return null;
}
const toRemove: number[] = [];
const usedLabels: {[label: string]: boolean} = {};
binding.bindings?.forEach((b, i) => {
// Inheritance and defaults
if (!b.app_id) {
b.app_id = binding.app_id;
}
if (!b.label) {
b.label = binding.label || b.location || '';
}
if (!b.location) {
b.location = generateId();
}
b.location = binding.location + '/' + b.location;
// Validation
if (!b.app_id) {
toRemove.unshift(i);
return;
}
// No empty labels nor "whitespace" labels
if (!b.label.trim()) {
toRemove.unshift(i);
return;
}
switch (topLocation) {
case AppBindingLocations.COMMAND: {
if (b.label.match(/ |\t/)) {
toRemove.unshift(i);
return;
}
if (usedLabels[b.label]) {
toRemove.unshift(i);
return;
}
break;
}
case AppBindingLocations.IN_POST: {
if (usedLabels[b.label]) {
toRemove.unshift(i);
return;
}
break;
}
}
// Must have only subbindings, a form or a submit call.
const hasBindings = Boolean(b.bindings?.length);
const hasForm = Boolean(b.form);
const hasSubmit = Boolean(b.submit);
if ((!hasBindings && !hasForm && !hasSubmit) ||
(hasBindings && hasForm) ||
(hasBindings && hasSubmit) ||
(hasForm && hasSubmit)) {
toRemove.unshift(i);
return;
}
if (hasBindings) {
cleanBindingRec(b, topLocation, depth + 1);
// Remove invalid branches
if (!b.bindings?.length) {
toRemove.unshift(i);
return;
}
} else if (hasForm) {
if (!b.form?.submit && !b.form?.source) {
toRemove.unshift(i);
return;
}
cleanForm(b.form);
}
usedLabels[b.label] = true;
});
toRemove.forEach((i) => {
binding.bindings?.splice(i, 1);
});
return binding;
}
export function validateBindings(bindings: AppBinding[] = []): AppBinding[] {
const channelHeaderBindings = bindings?.filter((b) => b.location === AppBindingLocations.CHANNEL_HEADER_ICON);
const postMenuBindings = bindings?.filter((b) => b.location === AppBindingLocations.POST_MENU_ITEM);
const commandBindings = bindings?.filter((b) => b.location === AppBindingLocations.COMMAND);
channelHeaderBindings.forEach((b) => cleanBinding(b, AppBindingLocations.CHANNEL_HEADER_ICON));
postMenuBindings.forEach((b) => cleanBinding(b, AppBindingLocations.POST_MENU_ITEM));
commandBindings.forEach((b) => cleanBinding(b, AppBindingLocations.COMMAND));
const hasBindings = (b: AppBinding) => b.bindings?.length;
return postMenuBindings.filter(hasBindings).concat(channelHeaderBindings.filter(hasBindings), commandBindings.filter(hasBindings));
}
export function cleanForm(form?: AppForm): void {
if (!form) {
return;
}
const toRemove: number[] = [];
const usedLabels: {[label: string]: boolean} = {};
form.fields?.forEach((field, i) => {
if (!field.name) {
toRemove.unshift(i);
return;
}
if (field.name.match(/ |\t/)) {
toRemove.unshift(i);
return;
}
let label = field.label;
if (!label) {
label = field.name;
}
if (label.match(/ |\t/)) {
toRemove.unshift(i);
return;
}
if (usedLabels[label]) {
toRemove.unshift(i);
return;
}
switch (field.type) {
case AppFieldTypes.STATIC_SELECT:
cleanStaticSelect(field);
if (!field.options?.length) {
toRemove.unshift(i);
return;
}
break;
case AppFieldTypes.DYNAMIC_SELECT:
if (!field.lookup) {
toRemove.unshift(i);
return;
}
}
usedLabels[label] = true;
});
toRemove.forEach((i) => {
form.fields!.splice(i, 1);
});
}
function cleanStaticSelect(field: AppField): void {
const toRemove: number[] = [];
const usedLabels: {[label: string]: boolean} = {};
const usedValues: {[label: string]: boolean} = {};
field.options?.forEach((option, i) => {
let label = option.label;
if (!label) {
label = option.value;
}
if (!label) {
toRemove.unshift(i);
return;
}
if (usedLabels[label]) {
toRemove.unshift(i);
return;
}
if (usedValues[option.value]) {
toRemove.unshift(i);
return;
}
usedLabels[label] = true;
usedValues[option.value] = true;
});
toRemove.forEach((i) => {
field.options?.splice(i, 1);
});
}
export function createCallContext(
appID: string,
location?: string,
channelID?: string,
teamID?: string,
postID?: string,
rootID?: string,
): AppContext {
return {
app_id: appID,
location,
channel_id: channelID,
team_id: teamID,
post_id: postID,
root_id: rootID,
};
}
export function createCallRequest(
call: AppCall,
context: AppContext,
defaultExpand: AppExpand = {},
values?: AppCallValues,
rawCommand?: string,
): AppCallRequest {
return {
...call,
context,
values,
expand: {
...defaultExpand,
...call.expand,
},
raw_command: rawCommand,
};
}
export const makeCallErrorResponse = (errMessage: string): AppCallResponse<any> => {
return {
type: AppCallResponseTypes.ERROR,
text: errMessage,
};
};
export const filterEmptyOptions = (option: AppSelectOption): boolean => Boolean(option.value && !option.value.match(/^[ \t]+$/));
function isAppExpand(v: unknown): v is AppExpand {
if (typeof v !== 'object' || v === null) {
return false;
}
const expand = v as AppExpand;
if (expand.app !== undefined && typeof expand.app !== 'string') {
return false;
}
if (expand.acting_user !== undefined && typeof expand.acting_user !== 'string') {
return false;
}
if (expand.channel !== undefined && typeof expand.channel !== 'string') {
return false;
}
if (expand.config !== undefined && typeof expand.config !== 'string') {
return false;
}
if (expand.mentioned !== undefined && typeof expand.mentioned !== 'string') {
return false;
}
if (expand.parent_post !== undefined && typeof expand.parent_post !== 'string') {
return false;
}
if (expand.post !== undefined && typeof expand.post !== 'string') {
return false;
}
if (expand.root_post !== undefined && typeof expand.root_post !== 'string') {
return false;
}
if (expand.team !== undefined && typeof expand.team !== 'string') {
return false;
}
if (expand.user !== undefined && typeof expand.user !== 'string') {
return false;
}
return true;
}
function isAppCall(obj: unknown): obj is AppCall {
if (typeof obj !== 'object' || obj === null) {
return false;
}
const call = obj as AppCall;
if (typeof call.path !== 'string') {
return false;
}
if (call.expand !== undefined && !isAppExpand(call.expand)) {
return false;
}
// Here we're assuming that 'state' can be of any type, so no type check for 'state'
return true;
}
function isAppFormValue(v: unknown): v is AppFormValue {
if (typeof v === 'string') {
return true;
}
if (typeof v === 'boolean') {
return true;
}
if (v === null) {
return true;
}
return isAppSelectOption(v);
}
function isAppSelectOption(v: unknown): v is AppSelectOption {
if (typeof v !== 'object' || v === null) {
return false;
}
const option = v as AppSelectOption;
if (typeof option.label !== 'string' || typeof option.value !== 'string') {
return false;
}
if (option.icon_data !== undefined && typeof option.icon_data !== 'string') {
return false;
}
return true;
}
function isAppField(v: unknown): v is AppField {
if (typeof v !== 'object' || v === null) {
return false;
}
const field = v as AppField;
if (typeof field.name !== 'string' || typeof field.type !== 'string') {
return false;
}
if (field.is_required !== undefined && typeof field.is_required !== 'boolean') {
return false;
}
if (field.readonly !== undefined && typeof field.readonly !== 'boolean') {
return false;
}
if (field.value !== undefined && !isAppFormValue(field.value)) {
return false;
}
if (field.description !== undefined && typeof field.description !== 'string') {
return false;
}
if (field.label !== undefined && typeof field.label !== 'string') {
return false;
}
if (field.hint !== undefined && typeof field.hint !== 'string') {
return false;
}
if (field.position !== undefined && typeof field.position !== 'number') {
return false;
}
if (field.modal_label !== undefined && typeof field.modal_label !== 'string') {
return false;
}
if (field.refresh !== undefined && typeof field.refresh !== 'boolean') {
return false;
}
if (field.options !== undefined && !isArrayOf(field.options, isAppSelectOption)) {
return false;
}
if (field.multiselect !== undefined && typeof field.multiselect !== 'boolean') {
return false;
}
if (field.lookup !== undefined && !isAppCall(field.lookup)) {
return false;
}
if (field.subtype !== undefined && typeof field.subtype !== 'string') {
return false;
}
if (field.min_length !== undefined && typeof field.min_length !== 'number') {
return false;
}
if (field.max_length !== undefined && typeof field.max_length !== 'number') {
return false;
}
return true;
}
function isAppForm(v: unknown): v is AppForm {
if (typeof v !== 'object' || v === null) {
return false;
}
const form = v as AppForm;
if (form.title !== undefined && typeof form.title !== 'string') {
return false;
}
if (form.header !== undefined && typeof form.header !== 'string') {
return false;
}
if (form.footer !== undefined && typeof form.footer !== 'string') {
return false;
}
if (form.icon !== undefined && typeof form.icon !== 'string') {
return false;
}
if (form.submit_buttons !== undefined && typeof form.submit_buttons !== 'string') {
return false;
}
if (form.cancel_button !== undefined && typeof form.cancel_button !== 'boolean') {
return false;
}
if (form.submit_on_cancel !== undefined && typeof form.submit_on_cancel !== 'boolean') {
return false;
}
if (form.fields !== undefined && !isArrayOf(form.fields, isAppField)) {
return false;
}
if (form.source !== undefined && !isAppCall(form.source)) {
return false;
}
if (form.submit !== undefined && !isAppCall(form.submit)) {
return false;
}
if (form.depends_on !== undefined && !isStringArray(form.depends_on)) {
return false;
}
return true;
}
export function isAppBinding(obj: unknown): obj is AppBinding {
if (typeof obj !== 'object' || obj === null) {
return false;
}
const binding = obj as AppBinding;
if (typeof binding.app_id !== 'string' || typeof binding.label !== 'string') {
return false;
}
if (binding.location !== undefined && typeof binding.location !== 'string') {
return false;
}
if (binding.icon !== undefined && typeof binding.icon !== 'string') {
return false;
}
if (binding.hint !== undefined && typeof binding.hint !== 'string') {
return false;
}
if (binding.description !== undefined && typeof binding.description !== 'string') {
return false;
}
if (binding.role_id !== undefined && typeof binding.role_id !== 'string') {
return false;
}
if (binding.depends_on_team !== undefined && typeof binding.depends_on_team !== 'boolean') {
return false;
}
if (binding.depends_on_channel !== undefined && typeof binding.depends_on_channel !== 'boolean') {
return false;
}
if (binding.depends_on_user !== undefined && typeof binding.depends_on_user !== 'boolean') {
return false;
}
if (binding.depends_on_post !== undefined && typeof binding.depends_on_post !== 'boolean') {
return false;
}
if (binding.bindings !== undefined && !isArrayOf(binding.bindings, isAppBinding)) {
return false;
}
if (binding.form !== undefined && !isAppForm(binding.form)) {
return false;
}
if (binding.submit !== undefined && !isAppCall(binding.submit)) {
return false;
}
return true;
}