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// Smersh |
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// |
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// Douglas Thrift |
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// |
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// $Id$ |
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|
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#include "Smersh.hpp" |
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#include "Matcher.hpp" |
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#include "Person.hpp" |
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#include "Daemon.hpp" |
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#include "Redirector.hpp" |
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|
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string program; |
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bool debug(false); |
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|
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int main(int argc, char* argv[]) |
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{ |
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program = argv[0]; |
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|
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int port(8080); |
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bool fork(false), daemon(false), redirector(false); |
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string redirect; |
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|
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for (int index(1); index < argc; ++index) |
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{ |
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string arg(argv[index]); |
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Matcher matcher; |
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|
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if (arg == "-daemon") |
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{ |
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if (!daemon) daemon = true; |
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} |
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else if (arg == matcher("^-redirector=(.+)$")) |
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{ |
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if (!redirector) redirector = true; |
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|
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redirect = matcher[1]; |
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} |
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else if (arg == matcher("^-port=([0-9]+)$")) |
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{ |
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port = lexical_cast<int>(matcher[1]); |
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} |
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else if (arg == "-fork") |
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{ |
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if (!fork) fork = true; |
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} |
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else if (arg == "-D") |
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{ |
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if (!debug) debug = true; |
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} |
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else |
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{ |
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cout << "Usage: " << program << " [-daemon|-redirector=redirect] [" |
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<< "-port=port] [-fork] [-D]\n"; |
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|
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return 1; |
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} |
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} |
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|
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if (daemon) |
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{ |
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Daemon daemon(port, fork); |
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} |
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else if (redirector) |
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{ |
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Redirector redirector(port, fork, redirect); |
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} |
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else |
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{ |
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Smersh smersh; |
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} |
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|
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return 0; |
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} |
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|
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Smersh::Smersh(istream& sin, ostream& sout) |
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{ |
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parse(sin); |
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smersh(sout); |
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} |
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|
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void Smersh::parse(istream& sin) |
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{ |
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stringstream query(sgetenv("QUERY_STRING")); |
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|
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if (sgetenv("REQUEST_METHOD") == "POST") |
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{ |
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streamsize length(lexical_cast<streamsize>(sgetenv("CONTENT_LENGTH"))); |
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char* content = new char[length]; |
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|
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sin.read(content, length); |
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query.write(content, length); |
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|
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delete [] content; |
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} |
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if (query.str() == "") return; |
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|
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do |
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{ |
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string name, value; |
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|
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getline(query, name, '='); |
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getline(query, value, '&'); |
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|
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cgi.insert(pair<string, string>(name, value)); |
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} |
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while (query.good()); |
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} |
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|
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void Smersh::smersh(ostream& sout) |
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{ |
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sout << "Content-Type: text/html\n\n"; |
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|
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vector<Person> people(1); |
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|
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for (multimap<string, string>::iterator itor(cgi.lower_bound("sn")); itor |
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!= cgi.upper_bound("sn"); ++itor) |
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{ |
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string sn(itor->second); |
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|
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for (string::size_type index(0); index < sn.length(); ++index) |
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{ |
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while (!isalnum(sn[index]) && index < sn.length()) |
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{ |
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if (sn[index] == '%' && index + 2 < sn.length()) |
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{ |
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istringstream code(sn.substr(index + 1, 2)); |
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unsigned short character; |
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|
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code.setf(ios_base::hex, ios_base::basefield); |
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|
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code >> character; |
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|
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sn.replace(index, 3, 1, character); |
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|
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if (isalnum(sn[index])) break; |
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} |
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|
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sn.erase(index, 1); |
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} |
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} |
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|
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if (debug) cerr << "sn = " << sn << '\n'; |
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|
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Person person(sn); |
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|
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people.push_back(person); |
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|
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if (person.isMultiple()) |
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{ |
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people.insert(people.end(), person.beginMultiple(), |
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person.endMultiple()); |
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person.clearMultiple(); |
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} |
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} |
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|
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if (people.size() > 1) |
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{ |
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people.erase(people.begin()); |
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|
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sort(people.begin(), people.end()); |
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|
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people.erase(unique(people.begin(), people.end()), people.end()); |
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} |
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|
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sout << "<html><head><title>Hello, " << flush; |
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|
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output(sout, people); |
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|
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sout << "!</title></head><body><p style=\"font-variant: small-caps\"><stro" |
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<< "ng><font face=\"Comic Sans MS\" size=\"4\">Hello, " << flush; |
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|
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output(sout, people); |
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|
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sout << "!</font></strong></p></body></html>\n"; |
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} |
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|
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void Smersh::output(ostream& sout, const vector<Person>& people) |
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{ |
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for (vector<Person>::const_iterator person(people.begin()); person != |
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people.end(); ++person) |
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{ |
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sout << *person; |
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|
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if (person + 2 == people.end()) |
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{ |
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sout << (people.size() > 2 ? "," : "") << " and/or "; |
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} |
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else if (person + 1 != people.end()) |
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{ |
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sout << ", "; |
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} |
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|
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sout << flush; |
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} |
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} |
