58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
#include "responses.h"
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#define srv conn->server
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#define LOGGER srv->logger
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#define LOG_FUNC srv->log_func
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#define LOG_CONTEXT log_ctx
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declare_RequestHandler(SendMessage)
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{
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Deferral(4);
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logInfo("requested %s", req_type_name);
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// receive request
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SendMessageRequest req;
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try_void(PacketHeader_validateContentSize(req_head, sizeof(req)));
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try_void(EncryptedSocketTCP_recvStruct(&conn->sock, &req));
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if(!conn->authorized){
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try_void(sendErrorMessage(log_ctx, conn, res_head,
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LogSeverity_Warn, STR("not authorized") ));
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Return RESULT_VOID;
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}
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// validate content size
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if(req.data_size < MESSAGE_SIZE_MIN || req.data_size > MESSAGE_SIZE_MAX){
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try_void(sendErrorMessage(log_ctx, conn, res_head,
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LogSeverity_Warn, STR("invalid message size") ));
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// close socket connection to reject incoming data
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Return RESULT_ERROR_CODE_FMT(TcpChat, TcpChatError_RejectIncoming, "invalid message size: %u", req.data_size);
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}
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// receive message data
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try_void(EncryptedSocketTCP_recv(&conn->sock, conn->message_content, SocketRecvFlag_WholeBuffer));
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// validate channel id
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try(bool channel_exists, i, Channel_exists(conn->queries.common, req.channel_id));
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if(!channel_exists){
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try_void(sendErrorMessage(log_ctx, conn, res_head,
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LogSeverity_Warn, STR("invalid channel id") ));
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Return RESULT_VOID;
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}
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// save message to channel
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DateTime timestamp;
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try(i64 message_id, i, Channel_saveMessage(conn->queries.common,
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req.channel_id, conn->user_id, conn->message_content,
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×tamp));
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// send response
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SendMessageResponse res;
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SendMessageResponse_construct(&res, res_head,
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message_id, timestamp);
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try_void(EncryptedSocketTCP_sendStruct(&conn->sock, res_head));
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try_void(EncryptedSocketTCP_sendStruct(&conn->sock, &res));
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Return RESULT_VOID;
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}
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