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switch IRC-style command parser to use regexps rather than split(" ") so that it doesn't choke on consecutive whitespaces

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yield better errors for invalid commands
don't pass invalid commands through as messages
support kick reasons
This commit is contained in:
Matthew Hodgson 2014-09-04 09:40:15 -07:00
parent 9c82276760
commit 3bc7bba262
2 changed files with 96 additions and 55 deletions
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11
webclient/components/matrix/matrix-service.js
View file

@ -169,14 +169,19 @@ angular.module('matrixService', [])
// Change the membership of an another user
setMembership: function(room_id, user_id, membershipValue) {
return this.setMemberShipObject(room_id, user_id, {
membership : membershipValue
});
},
// Change the membership of an another user
setMembershipObject: function(room_id, user_id, membershipObject) {
// The REST path spec
var path = "/rooms/$room_id/state/m.room.member/$user_id";
path = path.replace("$room_id", encodeURIComponent(room_id));
path = path.replace("$user_id", user_id);
return doRequest("PUT", path, undefined, {
membership: membershipValue
});
return doRequest("PUT", path, undefined, membershipObject);
},
// Bans a user from from a room

110
webclient/room/room-controller.js
View file

@ -287,84 +287,116 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput'])
$scope.state.sending = true;
var promise;
var isCmd = false;
// Check for IRC style commands first
if ($scope.textInput.indexOf("/") === 0) {
var args = $scope.textInput.split(' ');
var cmd = args[0];
var line = $scope.textInput;
// trim any trailing whitespace, as it can confuse the parser for IRC-style commands
line = line.replace(/\s+$/, "");
if (line[0] === "/" && line[1] !== "/") {
isCmd = true;
var bits = line.match(/^(\S+?)( +(.*))?$/);
var cmd = bits[1];
var args = bits[3];
console.log("cmd: " + cmd + ", args: " + args);
switch (cmd) {
case "/me":
var emoteMsg = args.slice(1).join(' ');
promise = matrixService.sendEmoteMessage($scope.room_id, emoteMsg);
promise = matrixService.sendEmoteMessage($scope.room_id, args);
break;
case "/nick":
// Change user display name
if (2 === args.length) {
promise = matrixService.setDisplayName(args[1]);
}
promise = matrixService.setDisplayName(args);
break;
case "/kick":
// Kick a user from the room
if (2 === args.length) {
var user_id = args[1];
// Set his state in the room as leave
promise = matrixService.setMembership($scope.room_id, user_id, "leave");
var matches = args.match(/^(\S+?)( +(.*))?$/);
if (matches.length === 2) {
promise = matrixService.setMembership($scope.room_id, matches[1], "leave");
}
else if (matches.length === 4) {
promise = matrixService.setMembershipObject($scope.room_id, matches[1], {
membership: "leave",
reason: matches[3] // TODO: we need to specify resaon in the spec
});
}
else {
$scope.feedback = "Usage: /kick <userId> [<reason>]";
}
break;
case "/ban":
// Ban a user from the room
if (2 <= args.length) {
// TODO: The user may have entered the display name
// Need display name -> user_id resolution. Pb: how to manage user with same display names?
var user_id = args[1];
// Does the user provide a reason?
if (3 <= args.length) {
var reason = args.slice(2).join(' ');
// Ban a user from the room with optional reason
var matches = args.match(/^(\S+?)( +(.*))?$/);
if (matches) {
promise = matrixService.ban($scope.room_id, matches[1], matches[3]);
}
promise = matrixService.ban($scope.room_id, user_id, reason);
else {
$scope.feedback = "Usage: /ban <userId> [<reason>]";
}
break;
case "/unban":
// Unban a user from the room
if (2 === args.length) {
var user_id = args[1];
// Reset the user membership to leave to unban him
promise = matrixService.setMembership($scope.room_id, user_id, "leave");
// FIXME: this feels horribly asymmetrical - why are we banning via RPC
// and unbanning by editing the membership list?
// Why can't we specify a reason?
var matches = args.match(/^(\S+)$/);
if (matches) {
// Reset the user membership to "leave" to unban him
promise = matrixService.setMembership($scope.room_id, args, "leave");
}
else {
$scope.feedback = "Usage: /unban <userId>";
}
break;
case "/op":
// Define the power level of a user
if (3 === args.length) {
var user_id = args[1];
var powerLevel = parseInt(args[2]);
var matches = args.match(/^(\S+?)( +(\d+))?$/);
var powerLevel = 50; // default power level for op
if (matches) {
var user_id = matches[1];
if (matches.length == 4) {
powerLevel = parseInt(matches[3]);
}
if (powerLevel !== NaN) {
promise = matrixService.setUserPowerLevel($scope.room_id, user_id, powerLevel);
}
}
if (!promise) {
$scope.feedback = "Usage: /op <userId> [<power level>]";
}
break;
case "/deop":
// Reset the power level of a user
if (2 === args.length) {
var user_id = args[1];
promise = matrixService.setUserPowerLevel($scope.room_id, user_id, undefined);
var matches = args.match(/^(\S+)$/);
if (matches) {
promise = matrixService.setUserPowerLevel($scope.room_id, args, undefined);
}
else {
$scope.feedback = "Usage: /deop <userId>";
}
break;
default:
$scope.feedback = ("Unrecognised IRC-style command: " + cmd);
break;
}
}
if (!promise) {
// Send the text message
// By default send this as a message unless it's an IRC-style command
if (!promise && !isCmd) {
promise = matrixService.sendTextMessage($scope.room_id, $scope.textInput);
}
if (promise) {
promise.then(
function() {
console.log("Request successfully sent");
@ -375,6 +407,10 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput'])
$scope.feedback = "Request failed: " + error.data.error;
$scope.state.sending = false;
});
}
else {
$scope.state.sending = false;
}
};
$scope.onInit = function() {