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Replace single quotes w/ correct escape #386

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Replace single quotes w/ correct escape #386

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29 changes: 26 additions & 3 deletions source/sqlHelpers.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -36,11 +36,17 @@ bool insertRowIntoDB(sqlite3* db, const String tableName, const Array<String>& v
// Note that ID does not need to be provided unless PRIMARY KEY is set.
String insertC = "INSERT INTO " + tableName + colNames + " VALUES(";
for (int i = 0; i < values.size(); i++) {
insertC += values[i];
String insertVal = values[i];
if (beginsWith(values[i], "'")) { // Check if we are handling a single-quote delimited string
insertVal = values[i].substr(1, values[i].length() - 2);
replaceSingleQuote(insertVal);
insertVal = "'" + insertVal + "'";
}
insertC += insertVal;
if(i < values.size() - 1) insertC += ",";
}
insertC += ");";
//logPrintf("Inserting row into %s table w/ SQL query:%s\n\n", tableName.c_str(), insertC.c_str());

char* errmsg;
int ret = sqlite3_exec(db, insertC.c_str(), 0, 0, &errmsg);
if (ret != SQLITE_OK) {
Expand All @@ -60,7 +66,13 @@ bool insertRowsIntoDB(sqlite3* db, const String tableName, const Array<Array<Str
for (int i = 0; i < value_vector.size(); ++i) {
insertC += "(";
for (int j = 0; j < value_vector[i].size(); j++) {
insertC += value_vector[i][j];
String insertVal = value_vector[i][j];
if (beginsWith(value_vector[i][j], "'")) { // Check if we are handling a single-quote delimited string
insertVal = value_vector[i][j].substr(1, value_vector[i][j].length() - 2);
replaceSingleQuote(insertVal);
insertVal = "'" + insertVal + "'";
}
insertC += insertVal;
if (j < value_vector[i].size() - 1) insertC += ",";
}
insertC += ")";
Expand All @@ -80,3 +92,14 @@ bool insertRowsIntoDB(sqlite3* db, const String tableName, const Array<Array<Str
return ret == SQLITE_OK;
}

bool replaceSingleQuote(String& str) {
size_t pos;
size_t lastPos = 0;
bool found = false;
while ((pos = str.find('\'', lastPos)) != String::npos) {
found = true;
str = str.substr(0, pos) + "'" + str.substr(pos);
lastPos = pos + 2;
}
return found;
}
1 change: 1 addition & 0 deletions source/sqlHelpers.h
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Expand Up @@ -7,3 +7,4 @@
bool createTableInDB(sqlite3* db, const String tableName, const Array<Array<String>>& columns);
bool insertRowIntoDB(sqlite3* db, const String tableName, const Array<String>& values, const String colNames = "");
bool insertRowsIntoDB(sqlite3* db, const String tableName, const Array<Array<String>>& valueVector, const String colNames = "");
bool replaceSingleQuote(String& str);