ObjMatrix  Check-in [cce4e8d73a]

 * @param client If the login succeeded, the newly created client
 * @param exception If the login failed, an exception
 */
typedef void (^mtx_client_login_block_t)(MTXClient *_Nullable client,
    id _Nullable exception);

/**
 * @brief A block called when the response for an operation was received.
 *
 * @param exception `nil` on success, otherwise an exception
 */
typedef void (^mtx_client_response_block_t)(id _Nullable exception);

/**
 * @brief A block called when the room list was fetched.
 *
 * @param rooms An array of joined rooms, or nil on error
 * @param exception An exception if fetching the room list failed
 */
typedef void (^mtx_client_room_list_block_t)(
    OFArray<OFString *> *_Nullable rooms, id _Nullable exception);

/**
 * @brief A block called when a room was joined.
 *
 * @param roomID The room ID that was joined, or nil on error. This can be used
 *		 to get the room ID if a room alias was joined.
 * @param exception An exception if joining the room failed
 */
typedef void (^mtx_client_room_join_block_t)(OFString *_Nullable roomID,
    id _Nullable exception);








/**
 * @brief A class that represents a client.
 */
@interface MTXClient: OFObject
/**
 * @brief The user ID used by the client.
 */

/**
 * @brief Logs out the device and invalidates the access token.
 *
 * @warning The client can no longer be used after this succeeded!
 *
 * @param block A block to call when logging out succeeded or failed
 */
- (void)logOutWithBlock: (mtx_client_response_block_t)block;

/**
 * @brief Fetches the list of joined rooms.
 *
 * @param block A block to call with the list of joined room
 */
- (void)fetchRoomListWithBlock: (mtx_client_room_list_block_t)block;

/**
 * @brief Leaves the specified room.
 *
 * @param roomID The room ID to leave
 * @param block A block to call when the room was left
 */
- (void)leaveRoom: (OFString *)roomID
	    block: (mtx_client_response_block_t)block;

/**
 * @brief Sends the specified message to the specified room ID.
 *
 * @param message The message to send
 * @param roomID The room ID to which to send the message
 * @param block A block to call when the message was sent
 */
- (void)sendMessage: (OFString *)message
	     roomID: (OFString *)roomID
	      block: (mtx_client_response_block_t)block;
@end

OF_ASSUME_NONNULL_END

#import "MTXRequest.h"

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

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

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

- (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) {

		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

/*
 * 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 <ObjFW/ObjFW.h>

#import "MTXClientException.h"

OF_ASSUME_NONNULL_BEGIN

@interface MTXSendMessageFailedException: MTXClientException
@property (readonly, nonatomic) OFString *message;
@property (readonly, nonatomic) OFString *roomID;

+ (instancetype)exceptionWithStatusCode: (int)statusCode
			       response: (mtx_response_t)response
				 client: (MTXClient *)client OF_UNAVAILABLE;
+ (instancetype)exceptionWithMessage: (OFString *)message
			      roomID: (OFString *)roomID
			  statusCode: (int)statusCode
			    response: (mtx_response_t)response
			      client: (MTXClient *)client;
- (instancetype)initWithStatusCode: (int)statusCode
			  response: (mtx_response_t)response
			    client: (MTXClient *)client OF_UNAVAILABLE;
- (instancetype)initWithMessage: (OFString *)message
			 roomID: (OFString *)roomID
		     statusCode: (int)statusCode
		       response: (mtx_response_t)response
			 client: (MTXClient *)client OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

/*
 * 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 "MTXSendMessageFailedException.h"

#import "MTXClient.h"

@implementation MTXSendMessageFailedException
+ (instancetype)exceptionWithMessage: (OFString *)message
			      roomID: (OFString *)roomID
			  statusCode: (int)statusCode
			    response: (mtx_response_t)response
			      client: (MTXClient *)client
{
	return [[[self alloc] initWithMessage: message
				       roomID: roomID
				   statusCode: statusCode
				     response: response
				       client: client] autorelease];
}

- (instancetype)initWithMessage: (OFString *)message
			 roomID: (OFString *)roomID
		     statusCode: (int)statusCode
		       response: (mtx_response_t)response
			 client: (MTXClient *)client
{
	self = [super initWithStatusCode: statusCode
				response: response
				  client: client];

	@try {
		_message = [message copy];
		_roomID = [roomID copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_message release];
	[_roomID release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"Failed to send message to room %@ for %@: %@",
	    _roomID, self.client.userID, self.response];
}
@end

include ../../extra.mk

STATIC_PIC_LIB_NOINST = ${EXCEPTIONS_LIB_A}
STATIC_LIB_NOINST = ${EXCEPTIONS_A}

SRCS = MTXClientException.m			\
       MTXFetchRoomListFailedException.m	\
       MTXJoinRoomFailedException.m		\
       MTXLeaveRoomFailedException.m		\
       MTXLoginFailedException.m		\
       MTXLogoutFailedException.m		\
       MTXSendMessageFailedException.m
INCLUDES = ${SRCS:.m=.h}

include ../../buildsys.mk

CPPFLAGS += -I. -I..

		if (exception != nil) {
			of_log(@"Failed to join room %@: %@", room, exception);
			[OFApplication terminateWithStatus: 1];
		}

		of_log(@"Joined room %@", roomID);

		[self sendMessage: roomID];
	}];
}

- (void)sendMessage: (OFString *)roomID
{
	[_client sendMessage: @"ObjMatrix test successful!"
		      roomID: roomID
		       block: ^ (id exception) {
		if (exception != nil) {
			of_log(@"Failed to send message to room %@: %@",
			    roomID, exception);
			[OFApplication terminateWithStatus: 1];
		}

		of_log(@"Message sent to %@", roomID);

		[self leaveRoom: roomID];
	}];
}

- (void)leaveRoom: (OFString *)roomID
{
	[_client leaveRoom: roomID