1 |
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2 | #include "cf/network.h"
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3 | #include "cf/task.h"
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4 | #include "cf/codec.h"
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5 | #include "cf/file.h"
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6 | #include "crypto.h"
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7 |
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8 | #include "msg.hpp"
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9 |
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10 | #include <map>
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11 | #include <stdlib.h>
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12 | #include <time.h>
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13 |
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14 | #include "sqlite3.h"
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15 |
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16 | // --------------------------------------------------------------
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17 |
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18 | typedef struct
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19 | {
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20 | cf::network::tcp * sock;
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21 | cf::bin key;
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22 | } LoginSession;
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23 | std::map<std::string, LoginSession> gOnlineUsers;
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24 |
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25 |
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26 | //================================================================
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27 |
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28 | int cb_getFriendList(void * userArg, int argc, char ** argv, char ** colName)
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29 | {
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30 | std::string * friendList = (std::string *) userArg;
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31 |
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32 | *friendList = argv[1];
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33 |
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34 | return 0;
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35 | }
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36 |
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37 | int cb_getSMS(void * userArg, int argc, char ** argv, char ** colName)
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38 | {
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39 | std::string * SMS = (std::string *) userArg;
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40 |
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41 | *SMS = argv[1];
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42 |
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43 | return 0;
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44 | }
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45 |
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46 | int cb_login(void * userArg, int argc, char ** argv, char ** colName)
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47 | {
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48 | bool * result = (bool *)userArg;
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49 |
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50 | *result = true;
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51 |
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52 | return 0;
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53 | }
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54 |
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55 | int cb_join(void * userArg, int argc, char ** argv, char ** colName)
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56 | {
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57 | bool * isExist = (bool *)userArg;
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58 |
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59 | *isExist = true;
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60 |
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61 | return 0;
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62 | }
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63 |
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64 | //===============================================================
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65 |
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66 | // --------------------------------------------------------------
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67 | class DBManager
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68 | {
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69 | private:
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70 | sqlite3 * db;
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71 |
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72 | public:
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73 | DBManager()
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74 | throw (cf::exception)
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75 | : db(NULL)
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76 | {
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77 | }
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78 |
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79 | void Init()
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80 | throw (cf::exception)
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81 | {
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82 | int result = 0;
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83 | bool isExist = false;
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84 |
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85 | isExist = cf::file("account.db").exists();
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86 |
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87 | result = sqlite3_open("account.db", &db);
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88 | if (result)
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89 | fprintf(stderr, "sqlite_open failed\n");
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90 |
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91 | if (!isExist)
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92 | setup();
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93 | }
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94 |
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95 | void setup()
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96 | throw (cf::exception)
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97 | {
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98 | std::string sqlCreateAccountTable;
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99 | std::string sqlCreateAuthTable;
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100 | std::string sqlCreateFriendsTable;
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101 | // declaration
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102 |
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103 | // query
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104 | sqlCreateAccountTable =
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105 | "CREATE TABLE T_ACCOUNT"
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106 | "("
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107 | " no INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
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108 | " id TEXT,"
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109 | " pw TEXT"
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110 | ")";
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111 | sqlCreateAuthTable =
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112 | "CREATE TABLE T_AUTH"
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113 | "("
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114 | " id TEXT PRIMARY KEY NOT NULL,"
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115 | " sms1 TEXT,"
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116 | " ip1 TEXT,"
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117 | " sms2 TEXT,"
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118 | " ip2 TEXT,"
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119 | " sms3 TEXT,"
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120 | " ip3 TEXT,"
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121 | " sms4 TEXT,"
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122 | " ip4 TEXT,"
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123 | " sms5 TEXT,"
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124 | " ip5 TEXT"
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125 | ")";
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126 | sqlCreateFriendsTable =
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127 | "CREATE TABLE T_FRIENDS"
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128 | "("
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129 | " id TEXT PRIMARY KEY NOT NULL,"
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130 | " friend TEXT"
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131 | ")";
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132 |
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133 | exec(sqlCreateAccountTable, NULL, NULL);
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134 | exec(sqlCreateAuthTable, NULL, NULL);
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135 | exec(sqlCreateFriendsTable, NULL, NULL);
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136 | }
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137 |
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138 | void exec(std::string & query, sqlite3_callback cb, void * userArg)
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139 | throw(cf::exception)
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140 | {
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141 | int result;
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142 | char * errMsg;
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143 |
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144 | result = sqlite3_exec(db, query.c_str(), cb, userArg, &errMsg);
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145 |
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146 | if (result != SQLITE_OK)
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147 | THROW_EXCEPTION (errMsg);
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148 | }
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149 |
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150 | bool login(const std::string & id, const std::string & pw)
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151 | throw (cf::exception)
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152 | {
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153 | try
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154 | {
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155 | bool result = false;
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156 | std::string query = "select * from T_ACCOUNT where id ='" + id + "' and pw = '" + pw + "'";
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157 |
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158 | this->exec(query, cb_login, &result);
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159 |
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160 | return result;
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161 | }
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162 | catch (cf::exception & e)
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163 | {
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164 | FORWARD_EXCEPTION(e);
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165 |
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166 | return false;
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167 | }
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168 | }
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169 |
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170 | bool join(const std::string & id, const std::string & pw, const std::string & sms, const std::string & ip)
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171 | throw (cf::exception)
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172 | {
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173 | try
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174 | {
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175 | bool isExist = false;
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176 | std::string existQuery = "select * from T_ACCOUNT where id = '" + id + "'";
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177 | std::string insertQuery = "insert into T_ACCOUNT values('" + id + "', '" + pw + "', '" + sms + "', '" + ip + "')";
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178 |
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179 | this->exec(existQuery, cb_join, &isExist);
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180 |
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181 | if (!isExist)
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182 | this->exec(insertQuery, NULL, NULL);
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183 | }
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184 | catch (cf::exception & e)
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185 | {
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186 | FORWARD_EXCEPTION(e);
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187 | }
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188 |
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189 | return true;
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190 | }
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191 |
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192 | std::string getFriendList(std::string & id)
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193 | throw(cf::exception)
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194 | {
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195 | int result = 0;
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196 | std::string friendList;
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197 |
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198 | try
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199 | {
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200 | std::string query = "select * from T_FRIENDS where id = '" + id + "'";
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201 |
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202 | this->exec(query, cb_getFriendList, &friendList);
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203 | }
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204 | catch (cf::exception & e)
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205 | {
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206 | FORWARD_EXCEPTION(e);
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207 | }
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208 | }
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209 |
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210 | int getSMS(std::string & id)
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211 | {
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212 | int result = 0;
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213 | std::string smsMsg;
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214 |
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215 | try
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216 | {
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217 | std::string query = "select * from T_AUTH where id = '" + id + "'";
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218 |
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219 | this->exec(query, cb_getSMS, &smsMsg);
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220 | }
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221 | catch (cf::exception & e)
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222 | {
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223 | FORWARD_EXCEPTION(e);
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224 | }
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225 | }
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226 |
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227 | int addFriend(std::string & id)
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228 | {
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229 | try
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230 | {
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231 | std::string query = "insert into T_FRIENDS values('" + id + "')";
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232 |
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233 | this->exec(query, NULL, NULL);
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234 | }
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235 | catch (cf::exception & e)
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236 | {
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237 | FORWARD_EXCEPTION(e);
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238 | }
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239 | }
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240 | };
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241 | DBManager dbmgr;
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242 |
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243 | class Runner
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244 | {
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245 | public:
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246 | cf::network::tcp * mSock;
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247 | cf::task::thread * mThread;
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248 |
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249 | Runner(cf::network::tcp & sock, int (*worker)(void *))
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250 | : mSock(NULL)
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251 | , mThread(NULL)
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252 | {
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253 | mSock = new(std::nothrow) cf::network::tcp(sock.detach());
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254 | mThread = new(std::nothrow) cf::task::thread(worker);
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255 | if (!mSock || !mThread)
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256 | {
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257 | dispose();
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258 | THROW_EXCEPTION("cannot allocate thread arguments");
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259 | }
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260 |
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261 | mThread->start(this);
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262 | }
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263 |
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264 | ~Runner()
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265 | {
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266 | dispose();
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267 | }
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268 |
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269 | void dispose()
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270 | {
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271 | if (mSock) delete mSock;
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272 | if (mThread) delete mThread;
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273 | }
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274 | };
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275 |
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276 | static bool isOnline(const std::string & id)
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277 | {
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278 | return gOnlineUsers.find(id) != gOnlineUsers.end();
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279 | }
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280 |
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281 | static void logout(const std::string & id)
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282 | {
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283 | gOnlineUsers.erase(id);
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284 | }
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285 |
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286 | static std::string getRandomCode()
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287 | {
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288 | char random[8] = {0x00,};
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289 | sprintf(random, "%06d", rand() % 1000000);
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290 |
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291 | return random;
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292 | }
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293 |
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294 | static std::string httpSMS(const Protocol::Message & parser)
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295 | {
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296 | std::string phone = parser.get<std::string>("phone");
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297 |
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298 | #define CRLF "\r\n"
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299 | std::string code = getRandomCode();
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300 | std::string url = "unsigned.kr";
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301 | std::string uri = "/~cheese/sms/req.php?to=" + phone + "&code=" + code;
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302 | std::string http =
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303 | "GET " + uri + " HTTP/1.1" CRLF
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304 | "Host: " + url + CRLF
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305 | "Accept: text/plain" CRLF
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306 | CRLF;
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307 |
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308 | Protocol::Response response;
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309 | cf::network::tcp smsSock;
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310 | cf::network::host smsServer(url, 80);
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311 |
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312 | smsSock.connect(smsServer);
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313 | smsSock.send(http);
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314 | smsSock.close();
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315 |
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316 | return code;
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317 | }
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318 |
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319 | static bool join(const Protocol::Message & parser, const std::string & sms, const std::string & address)
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320 | throw (cf::exception)
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321 | {
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322 | if (sms != parser.get<std::string>(ProtocolType::SMS))
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323 | THROW_EXCEPTION("SMS is not same");
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324 |
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325 | std::string id = parser.get<std::string>(ProtocolType::ID);
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326 | std::string pw = parser.get<std::string>(ProtocolType::PW);
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327 |
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328 | return dbmgr.join(id, pw, sms, address);
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329 | }
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330 |
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331 | static bool login(const Protocol::Message & parser)
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332 | throw (cf::exception)
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333 | {
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334 | std::string id = parser.get<std::string>(ProtocolType::ID);
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335 | std::string pw = parser.get<std::string>(ProtocolType::PW);
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336 |
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337 | return dbmgr.login(id, pw);
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338 | }
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339 |
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340 | static bool chat(const Protocol::Message & parser,
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341 | const std::string & message)
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342 | {
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343 | bool result = false;
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344 | std::string to = parser.get<std::string>(ProtocolType::TO);
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345 |
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346 | if (isOnline(to))
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347 | {
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348 | gOnlineUsers[to].sock->send(message);
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349 | result = true;
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350 | }
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351 |
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352 | return result;
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353 | }
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354 |
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355 | static std::string createSessionID(std::string & idList)
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356 | {
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357 | cf::bin sessid;
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358 |
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359 | sessid = crypto().sha256(cf::bin(idList));
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360 |
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361 | return cf::codec::hex::getInstance()->encode(sessid);
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362 | }
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363 |
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364 | static bool opensession(const Protocol::Message & parser)
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365 | {
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366 | bool result = false;
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367 | std::string sessid;
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368 | std::vector<std::string> idList = parser.getList<std::string>(ProtocolType::ID_LIST);
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369 | std::string concat = idList[0];
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370 |
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371 | for (size_t iter = 1; iter < concat.size(); iter++)
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372 | concat += idList[iter];
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373 |
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374 | sessid = createSessionID(concat);
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375 |
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376 | for (size_t iter = 0; iter < idList.size(); iter++)
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377 | {
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378 | if (isOnline(idList[iter]))
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379 | gOnlineUsers[idList[iter]].sock->send(sessid);
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380 |
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381 | result = true;
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382 | }
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383 |
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384 | return result;
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385 | }
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386 |
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387 | static std::string keyExchange(const std::string sms, const std::string address)
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388 | {
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389 | cf::bin sessKey;
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390 |
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391 | sessKey = crypto().sha256(cf::bin(sms + address));
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392 |
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393 | return cf::codec::hex::getInstance()->encode(sessKey);
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394 | }
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395 |
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396 | static std::string workerInitiator(cf::network::tcp & sock)
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397 | {
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398 | try
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399 | {
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400 | std::string sms;
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401 |
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402 | while (true)
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403 | {
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404 | Protocol::Message parser;
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405 | parser.parse(sock.receive().toString());
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406 |
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407 | if (parser.type() == "sms")
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408 | {
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409 | sms = httpSMS(parser);
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410 | }
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411 | else if (parser.type() == "join")
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412 | {
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413 | if (join(parser, sms, sock.peer().address()))
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414 | THROW_EXCEPTION("user(" << parser.get<std::string>(ProtocolType::ID) << ") cannot join");
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415 | }
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416 | else if (parser.type() == "login")
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417 | {
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418 | if (login(parser))
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419 | parser.get<std::string>(ProtocolType::ID);
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420 | }
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421 | }
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422 | }
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423 | catch (cf::exception & e)
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424 | {
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425 | FORWARD_EXCEPTION(e);
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426 | }
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427 | }
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428 |
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429 | static int worker(void * arg)
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430 | {
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431 | Runner * runner = reinterpret_cast<Runner *>(arg);
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432 | cf::network::tcp * sock = runner->mSock;
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433 |
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434 | std::string id;
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435 |
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436 | try
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437 | {
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438 | workerInitiator(*sock);
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439 |
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440 | Protocol::Response response;
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441 | bool result = true;
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442 |
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443 | while (result)
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444 | {
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445 | std::string message = sock->receive().toString();
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446 | Protocol::Message parser;
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447 | parser.parse(message);
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448 |
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449 | LOG(message);
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450 |
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451 | if (parser.type() == "chat")
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452 | result = chat(parser, message);
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453 | else if (parser.type() == "opensession")
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454 | result = opensession(parser);
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455 | // else if (parser.type() == "getFriendList")
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456 | // result =
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457 |
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458 | sock->send(response.result(parser.type(), result));
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459 | }
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460 | }
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461 | catch (cf::exception & e)
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462 | {
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463 | LOG(e.what());
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464 | }
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465 |
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466 | logout(id);
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467 | delete runner;
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468 | return 0;
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469 | }
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470 |
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471 | static int server(unsigned short port)
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472 | {
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473 | cf::network::tcp sock;
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474 |
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475 | srand((unsigned int)time(NULL));
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476 |
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477 | try
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478 | {
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479 | sock.bind(port);
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480 | sock.listen();
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481 | }
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482 | catch(cf::exception & e)
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483 | {
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484 | LOG(e.what());
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485 | return -1;
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486 | }
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487 |
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488 | while (true)
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489 | {
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490 | try
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491 | {
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492 | cf::network::tcp client = sock.accept();
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493 | Runner * runner = new(std::nothrow) Runner(client, worker);
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494 | if (!runner)
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495 | THROW_EXCEPTION("cannot create thread argument");
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496 | }
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497 | catch(cf::exception & e)
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498 | {
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499 | LOG(e.what());
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500 | }
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501 | }
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502 |
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503 | return 0;
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504 | }
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505 |
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506 | int main(int argc, char ** argv)
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507 | {
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508 | if (argc != 2)
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509 | {
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510 | std::cerr << "-_-^" << std::endl;
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511 | return -1;
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512 | }
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513 |
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514 | return server((unsigned short)atoi(argv[1]));
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515 | }
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