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105 lines
2.4 KiB
105 lines
2.4 KiB
#include <MWUtils.h>
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#include <MW.h>
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#include <sstream>
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#include <algorithm>
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using namespace std;
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static const unsigned int maxNameSize = 12;
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static const unsigned int minNameSize = 3;
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static const string nameRange = "abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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static const string isEmptyTokens = "\t\r\n\f\v ";
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static const unsigned int maxMessageSize = 1024;
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string
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validateName(const string& in)
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{
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if(in.size() > maxNameSize || in.size() < minNameSize)
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{
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ostringstream msg;
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msg << "Your name must be between " << minNameSize << " and " << maxNameSize << " characters in length.";
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throw invalid_argument(msg.str());
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}
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if(in.find_last_not_of(nameRange) != string::npos)
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{
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throw invalid_argument("Invalid character in name. Valid characters are letter and digits.");
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}
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string out = in;
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transform(out.begin(), out.end(), out.begin(), ::tolower);
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if(out.begin() != out.end())
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{
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transform(out.begin(), out.begin() + 1, out.begin(), ::toupper);
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}
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return out;
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}
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string
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validateMessage(const string& in)
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{
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if(in.size() > maxMessageSize)
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{
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ostringstream os;
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os << "Message length exceeded, maximum length is " << maxMessageSize << " characters.";
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throw MW::InvalidMessageException(os.str());
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}
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if(in.find_last_not_of(isEmptyTokens) == string::npos)
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{
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throw invalid_argument("Your message is empty and was ignored.");
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}
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// Strip html codes in the message
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string out;
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for(char c : in)
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{
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switch(c)
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{
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case '&':
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{
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out.append("&");
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break;
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}
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case '"':
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{
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out.append(""");
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break;
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}
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case '\'':
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{
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out.append("'");
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break;
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}
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case '<':
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{
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out.append("<");
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break;
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}
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case '>':
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{
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out.append(">");
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break;
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}
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case '\r':
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case '\n':
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case '\v':
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case '\f':
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case '\t':
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{
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out.append(" ");
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break;
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}
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default:
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{
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out.push_back(c);
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break;
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}
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}
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}
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return out;
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}
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