ObjMatrix  Artifact [348fd1db0b]

Artifact 348fd1db0be56dd5b0a8336e8aa4c68d247de8a6f0688db2b18a4377c0044ba8:

• File src/MTXClient.m — part of check-in [17e299f073] at 2020-10-03 21:56:23 on branch trunk — Initial support for sync

  Only sends the sync, does not do anything with the response yet. Handling the response will be implemented in the next several commits, piece by piece. (user: js, size: 10378) [annotate] [blame] [check-ins using]

/*
 * Copyright (c) 2020, Jonathan Schleifer <js@nil.im>
 *
 * https://fossil.nil.im/objmatrix
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice is present in all copies.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#import "MTXClient.h"
#import "MTXRequest.h"

#import "MTXFetchRoomListFailedException.h"
#import "MTXJoinRoomFailedException.h"
#import "MTXLeaveRoomFailedException.h"
#import "MTXLoginFailedException.h"
#import "MTXLogoutFailedException.h"
#import "MTXSendMessageFailedException.h"
#import "MTXSyncFailedException.h"

static void
validateHomeserver(OFURL *homeserver)
{
	if (![homeserver.scheme isEqual: @"http"] &&
	    ![homeserver.scheme isEqual: @"https"])
		@throw [OFUnsupportedProtocolException
		    exceptionWithURL: homeserver];

	if (homeserver.path != nil && ![homeserver.path isEqual: @"/"])
		@throw [OFInvalidArgumentException exception];

	if (homeserver.user != nil || homeserver.password != nil ||
	    homeserver.query != nil || homeserver.fragment != nil)
		@throw [OFInvalidArgumentException exception];
}

@implementation MTXClient
+ (instancetype)clientWithUserID: (OFString *)userID
			deviceID: (OFString *)deviceID
		     accessToken: (OFString *)accessToken
		      homeserver: (OFURL *)homeserver
			 storage: (id <MTXStorage>)storage
{
	return [[[self alloc] initWithUserID: userID
				    deviceID: deviceID
				 accessToken: accessToken
				  homeserver: homeserver
				     storage: storage] autorelease];
}

+ (void)logInWithUser: (OFString *)user
	     password: (OFString *)password
	   homeserver: (OFURL *)homeserver
	      storage: (id <MTXStorage>)storage
		block: (mtx_client_login_block_t)block
{
	void *pool = objc_autoreleasePoolPush();

	validateHomeserver(homeserver);

	MTXRequest *request = [MTXRequest
	    requestWithPath: @"/_matrix/client/r0/login"
		accessToken: nil
		 homeserver: homeserver];
	request.method = OF_HTTP_REQUEST_METHOD_POST;
	request.body = @{
		@"type": @"m.login.password",
		@"identifier": @{
			@"type": @"m.id.user",
			@"user": user
		},
		@"password": password
	};

	[request performWithBlock: ^ (mtx_response_t response, int statusCode,
				       id exception) {
		if (exception != nil) {
			block(nil, exception);
			return;
		}

		if (statusCode != 200) {
			id exception = [MTXLoginFailedException
			    exceptionWithUser: user
				   homeserver: homeserver
				   statusCode: statusCode
				     response: response];
			block(nil, exception);
			return;
		}

		OFString *userID = response[@"user_id"];
		OFString *deviceID = response[@"device_id"];
		OFString *accessToken = response[@"access_token"];
		if (![userID isKindOfClass: OFString.class] ||
		    ![deviceID isKindOfClass: OFString.class] ||
		    ![accessToken isKindOfClass: OFString.class]) {
			block(nil, [OFInvalidServerReplyException exception]);
			return;
		}

		OFString *baseURL =
		    response[@"well_known"][@"m.homeserver"][@"base_url"];
		if (baseURL != nil &&
		    ![baseURL isKindOfClass: OFString.class]) {
			block(nil, [OFInvalidServerReplyException exception]);
			return;
		}

		OFURL *realHomeserver;
		if (baseURL != nil) {
			@try {
				realHomeserver = [OFURL URLWithString: baseURL];
			} @catch (id e) {
				block(nil, e);
				return;
			}
		} else
			realHomeserver = homeserver;

		MTXClient *client = [MTXClient clientWithUserID: userID
						       deviceID: deviceID
						    accessToken: accessToken
						     homeserver: realHomeserver
							storage: storage];
		block(client, nil);
	}];

	objc_autoreleasePoolPop(pool);
}

- (instancetype)initWithUserID: (OFString *)userID
		      deviceID: (OFString *)deviceID
		   accessToken: (OFString *)accessToken
		    homeserver: (OFURL *)homeserver
		       storage: (id <MTXStorage>)storage
{
	self = [super init];

	@try {
		validateHomeserver(homeserver);

		_userID = [userID copy];
		_deviceID = [deviceID copy];
		_accessToken = [accessToken copy];
		_homeserver = [homeserver copy];
		_storage = [storage retain];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_userID release];
	[_deviceID release];
	[_accessToken release];
	[_homeserver release];
	[_storage release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<%@\n"
	    @"\tUser ID = %@\n"
	    @"\tDevice ID = %@\n"
	    @"\tAccess token = %@\n"
	    @"\tHomeserver = %@\n"
	    @">",
	    self.class, _userID, _deviceID, _accessToken, _homeserver];
}

- (MTXRequest *)requestWithPath: (OFString *)path
{
	return [MTXRequest requestWithPath: path
			       accessToken: _accessToken
				homeserver: _homeserver];
}

- (void)syncWithTimeout: (of_time_interval_t)timeout
		  block: (mtx_client_response_block_t)block
{
	void *pool = objc_autoreleasePoolPush();
	MTXRequest *request = [self
	    requestWithPath: @"/_matrix/client/r0/sync"];
	unsigned long long timeoutMs = timeout * 1000;
	request.query = [OFString stringWithFormat: @"timeout=%llu", timeoutMs];
	[request performWithBlock: ^ (mtx_response_t response, int statusCode,
				       id exception) {
		if (exception != nil) {
			block(exception);
			return;
		}

		if (statusCode != 200) {
			block([MTXSyncFailedException
			    exceptionWithStatusCode: statusCode
					   response: response
					     client: self]);
			return;
		}

		block(nil);
	}];

	objc_autoreleasePoolPop(pool);
}

- (void)logOutWithBlock: (mtx_client_response_block_t)block
{
	void *pool = objc_autoreleasePoolPush();
	MTXRequest *request =
	    [self requestWithPath: @"/_matrix/client/r0/logout"];
	request.method = OF_HTTP_REQUEST_METHOD_POST;
	[request performWithBlock: ^ (mtx_response_t response, int statusCode,
				       id exception) {
		if (exception != nil) {
			block(exception);
			return;
		}

		if (statusCode != 200) {
			block([MTXLogoutFailedException
			    exceptionWithStatusCode: statusCode
					   response: response
					     client: self]);
			return;
		}

		block(nil);
	}];

	objc_autoreleasePoolPop(pool);
}

- (void)fetchRoomListWithBlock: (mtx_client_room_list_block_t)block
{
	void *pool = objc_autoreleasePoolPush();
	MTXRequest *request =
	    [self requestWithPath: @"/_matrix/client/r0/joined_rooms"];
	[request performWithBlock: ^ (mtx_response_t response, int statusCode,
				       id exception) {
		if (exception != nil) {
			block(nil, exception);
			return;
		}

		if (statusCode != 200) {
			block(nil, [MTXFetchRoomListFailedException
			    exceptionWithStatusCode: statusCode
					   response: response
					     client: self]);
			return;
		}

		OFArray<OFString *> *joinedRooms = response[@"joined_rooms"];
		if (![joinedRooms isKindOfClass: OFArray.class]) {
			block(nil, [OFInvalidServerReplyException exception]);
			return;
		}
		for (OFString *room in joinedRooms) {
			if (![room isKindOfClass: OFString.class]) {
				block(nil,
				    [OFInvalidServerReplyException exception]);
				return;
			}
		}

		block(response[@"joined_rooms"], nil);
	}];

	objc_autoreleasePoolPop(pool);
}

- (void)joinRoom: (OFString *)room
	   block: (mtx_client_room_join_block_t)block
{
	void *pool = objc_autoreleasePoolPush();
	MTXRequest *request = [self requestWithPath:
	    [OFString stringWithFormat: @"/_matrix/client/r0/join/%@", room]];
	request.method = OF_HTTP_REQUEST_METHOD_POST;
	[request performWithBlock: ^ (mtx_response_t response, int statusCode,
				       id exception) {
		if (exception != nil) {
			block(nil, exception);
			return;
		}

		if (statusCode != 200) {
			block(nil, [MTXJoinRoomFailedException
			    exceptionWithRoom: room
				   statusCode: statusCode
				     response: response
				       client: self]);
			return;
		}

		OFString *roomID = response[@"room_id"];
		if (![roomID isKindOfClass: OFString.class]) {
			block(nil, [OFInvalidServerReplyException exception]);
			return;
		}

		block(roomID, nil);
	}];

	objc_autoreleasePoolPop(pool);
}

- (void)leaveRoom: (OFString *)roomID
	    block: (mtx_client_response_block_t)block
{
	void *pool = objc_autoreleasePoolPush();
	MTXRequest *request = [self requestWithPath: [OFString
	    stringWithFormat: @"/_matrix/client/r0/rooms/%@/leave", roomID]];
	request.method = OF_HTTP_REQUEST_METHOD_POST;
	[request performWithBlock: ^ (mtx_response_t response, int statusCode,
				       id exception) {
		if (exception != nil) {
			block(exception);
			return;
		}

		if (statusCode != 200) {
			block([MTXLeaveRoomFailedException
			    exceptionWithRoomID: roomID
				     statusCode: statusCode
				       response: response
					 client: self]);
			return;
		}

		block(nil);
	}];

	objc_autoreleasePoolPop(pool);
}

- (void)sendMessage: (OFString *)message
	     roomID: (OFString *)roomID
	      block: (mtx_client_response_block_t)block;
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path = [OFString stringWithFormat:
	    @"/_matrix/client/r0/rooms/%@/send/m.room.message", roomID];
	MTXRequest *request = [self requestWithPath: path];
	request.method = OF_HTTP_REQUEST_METHOD_POST;
	request.body = @{
		@"msgtype": @"m.text",
		@"body": message
	};
	[request performWithBlock: ^ (mtx_response_t response, int statusCode,
				       id exception) {
		if (exception != nil) {
			block(exception);
			return;
		}

		if (statusCode != 200) {
			block([MTXSendMessageFailedException
			    exceptionWithMessage: message
					  roomID: roomID
				      statusCode: statusCode
					response: response
					  client: self]);
			return;
		}

		block(nil);
	}];

	objc_autoreleasePoolPop(pool);
}
@end