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maySendRedactionForEvent for userId

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done using a private helper so kick/ban etc perms can be done
easily at a later stage

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
This commit is contained in:
Michael Telatynski
2017-05-16 14:04:20 +01:00
parent cb9a9e8d50
commit 36bf123e2b
1 changed files with 41 additions and 1 deletions
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42
src/models/room-state.js
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@@ -246,6 +246,47 @@ RoomState.prototype.getUserIdsWithDisplayName = function(displayName) {
return this._displayNameToUserIds[displayName] || [];
};
/**
* Returns true if userId is in room, event is not redacted and either sender of
* mxEvent or has powerlevel sufficient to redact events other than their own.
* @param {MatrixEvent} mxEvent The event to test permission for
* @param {string} userId The user ID of the user to test permission for
* @return {boolean} true if the given used ID can redact given event
*/
RoomState.prototype.maySendRedactionForEvent = function(mxEvent, userId) {
const member = this.getMember(userId);
if (!member || member.membership === 'leave') return false;
if (mxEvent.isRedacted()) return false;
if (mxEvent.getSender() === userId) return true;
return this._hasSufficientPowerLevelFor('redact', userId);
};
/**
* Returns true if the given user ID has sufficient power level for type
* @param {string} type The type of power level to check against
* @param {string} userId The user ID of the user to test permission for
* @return {boolean} true if the given user ID has sufficient power level
*/
RoomState.prototype._hasSufficientPowerLevelFor = function(type, userId) {
const member = this.getMember(userId);
const power_levels_event = this.getStateEvents('m.room.power_levels', '');
let power_levels;
if (power_levels_event) {
power_levels = power_levels_event.getContent();
}
let required_level = power_levels.state_default || 50;
if (power_levels[type] !== undefined) {
required_level = power_levels[type];
}
return member.powerLevel >= required_level;
};
/**
* Short-form for maySendEvent('m.room.message', userId)
* @param {string} userId The user ID of the user to test permission for
@@ -269,7 +310,6 @@ RoomState.prototype.maySendEvent = function(eventType, userId) {
return this._maySendEventOfType(eventType, userId, false);
};
/**
* Returns true if the given MatrixClient has permission to send a state
* event of type `stateEventType` into this room.