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This commit is contained in:
ITOH
2021-04-04 17:18:04 +02:00
parent d893b631dc
commit a455b753d7
1 changed files with 18 additions and 7 deletions
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25
src/util/permissions.ts
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@@ -5,15 +5,18 @@ import { Errors } from "../types/misc/errors.ts";
import { DiscordBitwisePermissionFlags } from "../types/permissions/bitwise_permission_flags.ts";
import { PermissionStrings } from "../types/permissions/permission_strings.ts";
async function getCached(table: "guilds", key: string | Guild): Promise<Guild>;
async function getCached(
table: "guilds",
key: string | Guild,
): Promise<Guild | undefined>;
async function getCached(
table: "channels",
key: string | Channel,
): Promise<Channel>;
): Promise<Channel | undefined>;
async function getCached(
table: "members",
key: string | Member,
): Promise<Member>;
): Promise<Member | undefined>;
async function getCached(
table: "guilds" | "channels" | "members",
key: string | Guild | Channel | Member,
@@ -28,7 +31,7 @@ async function getCached(
);
}
return cached;
return typeof cached === "string" ? undefined : cached;
}
/** Calculates the permissions this member has in the given guild */
@@ -39,6 +42,8 @@ export async function calculateBasePermissions(
guild = await getCached("guilds", guild);
member = await getCached("members", member);
if (!guild || !member) return "8";
let permissions = 0n;
// Calculate the role permissions bits, @everyone role is not in memberRoleIds so we need to pass guildId manualy
permissions |= [...(member.guilds.get(guild.id)?.roles || []), guild.id]
@@ -64,10 +69,12 @@ export async function calculateChannelOverwrites(
channel = await getCached("channels", channel);
// This is a DM channel so return ADMINISTRATOR permission
if (!channel.guildId) return "8";
if (!channel || !channel.guildId) return "8";
member = await getCached("members", member);
if (!member) return "8";
// Get all the role permissions this member already has
let permissions = BigInt(
await calculateBasePermissions(channel.guildId, member),
@@ -285,8 +292,10 @@ export async function highestRole(
) {
guild = await getCached("guilds", guild);
if (!guild) throw new Error(Errors.GUILD_NOT_FOUND);
// Get the roles from the member
const memberRoles = (await getCached("members", member)).guilds.get(guild.id)
const memberRoles = (await getCached("members", member))?.guilds.get(guild.id)
?.roles;
// This member has no roles so the highest one is the @everyone role
if (!memberRoles) return guild.roles.get(guild.id) as Role;
@@ -321,6 +330,8 @@ export async function higherRolePosition(
) {
guild = await getCached("guilds", guild);
if (!guild) return true;
const role = guild.roles.get(roleId);
const otherRole = guild.roles.get(otherRoleId);
if (!role || !otherRole) throw new Error(Errors.ROLE_NOT_FOUND);
@@ -341,7 +352,7 @@ export async function isHigherPosition(
) {
guild = await getCached("guilds", guild);
if (guild.ownerId === memberId) return true;
if (!guild || guild.ownerId === memberId) return true;
const memberHighestRole = await highestRole(guild, memberId);
return higherRolePosition(guild.id, memberHighestRole.id, compareRoleId);