5aabeb6b46
+ MethodType renamed to http_method, and moved to utils.hpp + operator= overload for Client moved to Client.cpp
401 lines
11 KiB
C++
401 lines
11 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ConfigParser.cpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/07/13 22:11:17 by me #+# #+# */
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/* Updated: 2022/08/02 14:05:03 by lperrey ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ConfigParser.hpp"
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// Default
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ConfigParser::ConfigParser()
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{
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std::cout << "Default Constructor\n";
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// don't use yet, you have no idea what the defaults are
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}
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ConfigParser::ConfigParser(const char* path)
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{
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std::cout << "Param Constructor\n";
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std::ifstream file;
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std::string buf;
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size_t comment;
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_content.clear();
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file.open(path);
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if (file.is_open())
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{
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// are there more throws i need to add in case of errors, what would
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// those errors be?
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while (!file.eof())
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{
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getline(file, buf);
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// remove # comments here.
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if ((comment = buf.find_first_of("#")) == std::string::npos)
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{
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// remove empty lines, i think...
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if ((buf.find_first_not_of(" \t")) != std::string::npos)
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_content.append(buf + '\n');
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}
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else if (comment > 0 && (buf.find_first_not_of(" \t")) < comment)
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{
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// is there a comment at the end of the line
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std::string tmp = buf.substr(0, comment - 1);
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_content.append(tmp + '\n');
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}
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}
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file.close();
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}
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else
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throw std::invalid_argument("open config");
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}
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ConfigParser::~ConfigParser()
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{
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// do i need to destroy anything, won't it handle itself?
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}
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/*
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ConfigParser & ConfigParser::operator=(const ConfigParser& rhs)
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{
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if (this == rhs) // * & ?
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return (*this); // * ?
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// make some stuff equal
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return (*this);
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}
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*/
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std::vector<ServerConfig> * ConfigParser::parse()
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{
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std::vector<ServerConfig> * ret = new std::vector<ServerConfig>();
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// std::vector<ServerConfig> ret;
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size_t start = 0;
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size_t curr = _content.find_first_not_of(" \t\n", 0);
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if (curr == std::string::npos)
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throw std::invalid_argument("empty config file");
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while (curr != std::string::npos)
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{
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// why no checks here
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// if not here do i need them elsewhere?
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start = _content.find_first_not_of(" \t\n", curr);
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curr = _content.find_first_of(" \t\n", start);
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std::string key = _content.substr(start, curr - start);
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if (key != "server")
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throw std::invalid_argument("bad config file arguments 1");
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ret->push_back(_parse_server(&curr));
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}
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_post_processing(ret);
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return (ret);
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}
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ServerConfig ConfigParser::_parse_server(size_t *start)
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{
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ServerConfig ret;
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size_t curr = _content.find_first_not_of(" \t\n", *start);
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ret.client_body_limit = 0;
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ret.autoindex = false;
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if (curr == std::string::npos || _content[curr] != '{')
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throw std::invalid_argument("bad config file syntax 1");
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curr = _content.find_first_of(" \t\n", curr + 1);
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// if (curr == std::string::npos) // are there other things to check for?
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// throw std::invalid_argument("bad config file syntax");
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while (curr != std::string::npos) // here curr == { + 1
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{
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// so this moves curr to past the word...
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std::string key = _get_first_word(&curr);
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// now curr is on space after 1st word.
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if (key == "}")
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{
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// why +1 curr is already after it no?
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*start = _content.find_first_not_of(" \t\n", curr + 1);
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break ;
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}
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else if (key == "location")
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ret.locations.push_back(_parse_location(&curr));
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else
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{
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std::string values = _get_rest_of_line(&curr);
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// curr now should be \n
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_set_server_values(&ret, key, values);
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}
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}
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return (ret);
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}
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LocationConfig ConfigParser::_parse_location(size_t *start)
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{
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LocationConfig ret;
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size_t curr = *start;
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// start is after the 1st word aka "location"
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ret.client_body_limit = 0;
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ret.redirect_status = 0;
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ret.path = _get_first_word(&curr);
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// in theory now curr should be right after the "path"
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curr = _content.find_first_not_of(" \t\n", curr);
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if (curr == std::string::npos || _content[curr] != '{')
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throw std::invalid_argument("bad config file syntax 2");
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curr = _content.find_first_of(" \t\n", curr + 1);
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// if (curr == std::string::npos) // are there other things to check for?
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// throw std::invalid_argument("bad config file syntax");
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while (curr != std::string::npos)
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{
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// so this moves curr to past the word...
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std::string key = _get_first_word(&curr);
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// now curr is on space after 1st word.
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if (key == "}")
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{
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*start = curr;
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break ;
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}
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else
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{
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std::string values = _get_rest_of_line(&curr);
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// curr now should be \n
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_set_location_values(&ret, key, values);
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}
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}
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return (ret);
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}
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void ConfigParser::_set_server_values(ServerConfig *server, \
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const std::string key, std::string value)
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{
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value = _pre_set_val_check(key, value);
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std::vector<std::string> tmp_val = ::split(value, ' ');
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size_t size = tmp_val.size();
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if (size < 1)
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throw std::invalid_argument("missing value");
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else if (key == "server_name" && size == 1)
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{
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for (size_t i = 0; i < server->server_name.size(); i++)
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{
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if (server->server_name[i].compare(tmp_val[0]) == 0)
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throw std::invalid_argument("server_name already exists");
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}
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server->server_name.push_back(tmp_val[0]);
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}
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else if (key == "listen" && size == 1 && server->host == "" \
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&& server->port == "")
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{
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if (tmp_val[0].find_first_of(":") == std::string::npos)
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{
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// should i limit which ports can be used?
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if (!::isNumeric(tmp_val[0]))
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throw std::invalid_argument("bad port number");
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server->host = "0.0.0.0";
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server->port = tmp_val[0];
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}
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else
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{
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std::vector<std::string> tmp2 = ::split(tmp_val[0], ':');
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std::vector<std::string> ip = ::split(tmp2[0], '.');
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if (ip.size() != 4)
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throw std::invalid_argument("bad host ip");
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for (size_t i = 0; i < ip.size(); i++)
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{
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if (!::isNumeric_btw(0, 255, ip[i]))
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throw std::invalid_argument("bad host ip");
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}
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if (!::isNumeric(tmp2[1]))
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throw std::invalid_argument("bad port number");
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server->host = tmp2[0];
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server->port = tmp2[1];
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}
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}
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else if (key == "root" && size == 1 && server->root == "")
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{
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DIR* dir = opendir(tmp_val[0].c_str());
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if (dir)
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closedir(dir);
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else
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throw std::invalid_argument("root dir could not be opened");
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server->root = tmp_val[0];
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}
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else if (key == "autoindex" && size == 1)
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{
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// autoindex is a bool, there's no good way for me to see if it has
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// bet set already
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server->autoindex = (tmp_val[0] == "on" ? true : false);
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}
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else if (key == "client_body_limit" && size == 1 \
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&& server->client_body_limit == 0)
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{
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if (!::isNumeric(tmp_val[0]))
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throw std::invalid_argument("client_body_limit not a number");
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server->client_body_limit = atoi(tmp_val[0].c_str());
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}
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else if (key == "index")
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{
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// i think you can call index several times...
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// should i be doing an access?
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// since index is at the root, but root might not yet be defined
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// will check index later in post
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for (unsigned long i = 0; i != tmp_val.size(); i++)
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server->index.push_back(tmp_val[i]);
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}
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else if (key == "allow_methods" && server->allow_methods.empty())
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{
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for (unsigned long i = 0; i != tmp_val.size(); i++)
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{
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http_method m = _str_to_method_type(tmp_val[i]);
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if (m == 3)
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throw std::invalid_argument("not a valid method");
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server->allow_methods.push_back(m);
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}
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}
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else if (key == "error_page")
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{
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// so it can either be just a /here/is/the/repo
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// or it can be http://some_domain.com/here
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// wtf... how should we handle...
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// you can definitely call Error_pages several times, i think
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std::string path = tmp_val[tmp_val.size() - 1];
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for (unsigned long i = 0; i != tmp_val.size() - 1; i++)
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{
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// what are the bounds for Error codes?
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if (!(isNumeric_btw(0, 600, tmp_val[i])))
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throw std::invalid_argument("value not a valid number");
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int status_code = atoi(tmp_val[i].c_str());
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// yea cuz here we continue.. why suddenly flexible not throw ?
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if (server->error_pages.find(status_code) != server->error_pages.end())
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continue ;
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server->error_pages[status_code] = path;
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}
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}
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/* else if (key == "recv_timeout" && size == 1 && server->server_name == "")
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{
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// what is tv_sec and do i need it?
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// ok so i don't fully understand this part but ok, keep for now...
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server->recv_timeout.tv_sec = atoi(tmp_val[0].c_str());
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}
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else if (key == "send_timeout" && size == 1 && server->server_name == "")
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{
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server->send_timeout.tv_sec = atoi(tmp_val[0].c_str());
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}
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*/ else
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{
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// means either you didn't write the right key, or the value is
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// missing, or the value has already been filled.
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throw std::invalid_argument("bad key value pair");
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}
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}
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void ConfigParser::_set_location_values(LocationConfig *location, \
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const std::string key, std::string value)
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{
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value = _pre_set_val_check(key, value);
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std::vector<std::string> tmp_val = ::split(value, ' ');
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size_t size = tmp_val.size();
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if (size < 1)
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throw std::invalid_argument("missing value");
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else if (key == "root" && size == 1 && location->root == "")
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{
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DIR* dir = opendir(tmp_val[0].c_str());
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if (dir)
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closedir(dir);
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else
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throw std::invalid_argument("root dir could not be opened");
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location->root = tmp_val[0];
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}
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else if (key == "client_body_limit" && size == 1 \
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&& location->client_body_limit == 0)
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{
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if (!::isNumeric(tmp_val[0]))
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throw std::invalid_argument("client_body_limit not a number");
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location->client_body_limit = atoi(tmp_val[0].c_str());
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}
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else if (key == "index")
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{
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// you can definitely call Index several times, i think
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for (unsigned long i = 0; i != tmp_val.size(); i++)
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location->index.push_back(tmp_val[i]);
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}
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else if (key == "allow_methods" && location->allow_methods.empty())
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{
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for (unsigned long i = 0; i != tmp_val.size(); i++)
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{
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http_method m = _str_to_method_type(tmp_val[i]);
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if (m == 3)
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throw std::invalid_argument("not a valid method");
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location->allow_methods.push_back(m);
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}
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}
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else if (key == "cgi_info")
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{
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// you can call cgi_info several times i think.
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// ok wtf is all this even doing, figure that out
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unsigned long i = value.find_first_of(" ");
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if (i == std::string::npos)
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throw std::invalid_argument("bad config file arguments 8");
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// ok why an int now, we gotta be more consistent!
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int j = value.find_first_not_of(" ", i);
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location->cgi_info[value.substr(0, i)] = value.substr(j, value.length());
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}
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else if (key == "return" && location->redirect_status == 0 \
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&& location->redirect_uri == "")
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{
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// actually i think there can only be one per location...
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// you can definitely call return several times, i think
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if (tmp_val.size() != 2)
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throw std::invalid_argument("wrong number of values");
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// and tmp_val[0] should be a number and tmp_val[1] a string?
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if (!(::isNumeric(tmp_val[0])))
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throw std::invalid_argument("value not a number");
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// somehow check that tmp_val[1] is a string? or valid? how?
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// something about using access() to see if
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location->redirect_status = atoi(tmp_val[0].c_str());
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location->redirect_uri = tmp_val[1];
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}
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else
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{
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// means either you didn't write the right key, or the value is
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// missing, or the value has already been filled.
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throw std::invalid_argument("bad key value pair");
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}
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}
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