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author8cy <[email protected]>2020-04-30 15:46:16 -0700
committer8cy <[email protected]>2020-04-30 15:46:16 -0700
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tree3dd6af8503e497e46180b6b5231674f36bdce9f2 /node_modules/discord.js/src/util/Permissions.js
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+'use strict';
+
+const BitField = require('./BitField');
+
+/**
+ * Data structure that makes it easy to interact with a permission bitfield. All {@link GuildMember}s have a set of
+ * permissions in their guild, and each channel in the guild may also have {@link PermissionOverwrites} for the member
+ * that override their default permissions.
+ * @extends {BitField}
+ */
+class Permissions extends BitField {
+ /**
+ * @name Permissions
+ * @kind constructor
+ * @memberof Permissions
+ * @param {PermissionResolvable} [bits=0] Bit(s) to read from
+ */
+
+ /**
+ * Data that can be resolved to give a permission number. This can be:
+ * * A string (see {@link Permissions.FLAGS})
+ * * A permission number
+ * * An instance of Permissions
+ * * An Array of PermissionResolvable
+ * @typedef {string|number|Permissions|PermissionResolvable[]} PermissionResolvable
+ */
+
+ /**
+ * Checks whether the bitfield has a permission, or any of multiple permissions.
+ * @param {PermissionResolvable} permission Permission(s) to check for
+ * @param {boolean} [checkAdmin=true] Whether to allow the administrator permission to override
+ * @returns {boolean}
+ */
+ any(permission, checkAdmin = true) {
+ return (checkAdmin && super.has(this.constructor.FLAGS.ADMINISTRATOR)) || super.any(permission);
+ }
+
+ /**
+ * Checks whether the bitfield has a permission, or multiple permissions.
+ * @param {PermissionResolvable} permission Permission(s) to check for
+ * @param {boolean} [checkAdmin=true] Whether to allow the administrator permission to override
+ * @returns {boolean}
+ */
+ has(permission, checkAdmin = true) {
+ return (checkAdmin && super.has(this.constructor.FLAGS.ADMINISTRATOR)) || super.has(permission);
+ }
+}
+
+/**
+ * Numeric permission flags. All available properties:
+ * * `ADMINISTRATOR` (implicitly has *all* permissions, and bypasses all channel overwrites)
+ * * `CREATE_INSTANT_INVITE` (create invitations to the guild)
+ * * `KICK_MEMBERS`
+ * * `BAN_MEMBERS`
+ * * `MANAGE_CHANNELS` (edit and reorder channels)
+ * * `MANAGE_GUILD` (edit the guild information, region, etc.)
+ * * `ADD_REACTIONS` (add new reactions to messages)
+ * * `VIEW_AUDIT_LOG`
+ * * `PRIORITY_SPEAKER`
+ * * `STREAM`
+ * * `VIEW_CHANNEL`
+ * * `SEND_MESSAGES`
+ * * `SEND_TTS_MESSAGES`
+ * * `MANAGE_MESSAGES` (delete messages and reactions)
+ * * `EMBED_LINKS` (links posted will have a preview embedded)
+ * * `ATTACH_FILES`
+ * * `READ_MESSAGE_HISTORY` (view messages that were posted prior to opening Discord)
+ * * `MENTION_EVERYONE`
+ * * `USE_EXTERNAL_EMOJIS` (use emojis from different guilds)
+ * * `VIEW_GUILD_INSIGHTS`
+ * * `CONNECT` (connect to a voice channel)
+ * * `SPEAK` (speak in a voice channel)
+ * * `MUTE_MEMBERS` (mute members across all voice channels)
+ * * `DEAFEN_MEMBERS` (deafen members across all voice channels)
+ * * `MOVE_MEMBERS` (move members between voice channels)
+ * * `USE_VAD` (use voice activity detection)
+ * * `CHANGE_NICKNAME`
+ * * `MANAGE_NICKNAMES` (change other members' nicknames)
+ * * `MANAGE_ROLES`
+ * * `MANAGE_WEBHOOKS`
+ * * `MANAGE_EMOJIS`
+ * @type {Object}
+ * @see {@link https://discordapp.com/developers/docs/topics/permissions}
+ */
+Permissions.FLAGS = {
+ CREATE_INSTANT_INVITE: 1 << 0,
+ KICK_MEMBERS: 1 << 1,
+ BAN_MEMBERS: 1 << 2,
+ ADMINISTRATOR: 1 << 3,
+ MANAGE_CHANNELS: 1 << 4,
+ MANAGE_GUILD: 1 << 5,
+ ADD_REACTIONS: 1 << 6,
+ VIEW_AUDIT_LOG: 1 << 7,
+ PRIORITY_SPEAKER: 1 << 8,
+ STREAM: 1 << 9,
+ VIEW_CHANNEL: 1 << 10,
+ SEND_MESSAGES: 1 << 11,
+ SEND_TTS_MESSAGES: 1 << 12,
+ MANAGE_MESSAGES: 1 << 13,
+ EMBED_LINKS: 1 << 14,
+ ATTACH_FILES: 1 << 15,
+ READ_MESSAGE_HISTORY: 1 << 16,
+ MENTION_EVERYONE: 1 << 17,
+ USE_EXTERNAL_EMOJIS: 1 << 18,
+ VIEW_GUILD_INSIGHTS: 1 << 19,
+ CONNECT: 1 << 20,
+ SPEAK: 1 << 21,
+ MUTE_MEMBERS: 1 << 22,
+ DEAFEN_MEMBERS: 1 << 23,
+ MOVE_MEMBERS: 1 << 24,
+ USE_VAD: 1 << 25,
+ CHANGE_NICKNAME: 1 << 26,
+ MANAGE_NICKNAMES: 1 << 27,
+ MANAGE_ROLES: 1 << 28,
+ MANAGE_WEBHOOKS: 1 << 29,
+ MANAGE_EMOJIS: 1 << 30,
+};
+
+/**
+ * Bitfield representing every permission combined
+ * @type {number}
+ */
+Permissions.ALL = Object.values(Permissions.FLAGS).reduce((all, p) => all | p, 0);
+
+/**
+ * Bitfield representing the default permissions for users
+ * @type {number}
+ */
+Permissions.DEFAULT = 104324673;
+
+module.exports = Permissions;