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Functions
httputils Namespace Reference

Functions

static int from_hex (int ch)
 
std::string url_decode (const std::string &text)
 
std::string url_encode (const std::string &text)
 
std::string & str_trimm (std::string &text)
 
std::pair< std::string, std::string > str_split (const std::string &base, char c_middle)
 
std::pair< std::string, std::string > str_split_last (const std::string &base, char c_middle)
 
std::string to_http_date (struct tm *tm)
 
struct tm from_http_date (const std::string &http_date)
 
std::string file_mod_http_date (const std::string &filePath)
 
std::string::iterator to_lower (std::string &string)
 
std::string toString (const std::string &method, const std::string &url, const std::string &version, const web::http::CiStringMap< std::string > &queries, const web::http::CiStringMap< std::string > &header, const web::http::CiStringMap< std::string > &cookies, const std::vector< char > &body)
 
std::string toString (const std::string &version, const std::string &statusCode, const std::string &reason, const web::http::CiStringMap< std::string > &header, const web::http::CiStringMap< web::http::CookieOptions > &cookies, const std::vector< char > &body)
 

Function Documentation

◆ file_mod_http_date()

std::string httputils::file_mod_http_date ( const std::string &  filePath)

Definition at line 166 of file http_utils.cpp.

166 {
167 char buf[100];
168
169 struct stat attrib{};
170 stat(filePath.c_str(), &attrib); // TODO: to core::system
171
172 (void) strftime(buf, sizeof buf, "%a, %d %b %Y %H:%M:%S %Z", gmtime(&(attrib.st_mtime))); // TODO: to core::system
173 errno = 0; // Errno can be modified by strftime even though there is no error
174
175 return std::string(buf);
176 }

Referenced by web::http::client::Request::executeSendFile(), and web::http::server::Response::sendFile().

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◆ from_hex()

static int httputils::from_hex ( int  ch)
static

Definition at line 62 of file http_utils.cpp.

62 {
63 return isdigit(ch) != 0 ? ch - '0' : tolower(ch) - 'a' + 10;
64 }

Referenced by url_decode().

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◆ from_http_date()

struct tm httputils::from_http_date ( const std::string &  http_date)

Definition at line 157 of file http_utils.cpp.

157 {
158 struct tm tm{};
159
160 strptime(http_date.c_str(), "%a, %d %b %Y %H:%M:%S", &tm);
161 tm.tm_zone = "GMT";
162
163 return tm;
164 }

◆ str_split()

std::pair< std::string, std::string > httputils::str_split ( const std::string &  base,
char  c_middle 
)

Definition at line 112 of file http_utils.cpp.

112 {
113 std::pair<std::string, std::string> split;
114
115 const unsigned long middle = base.find_first_of(c_middle);
116
117 split.first = base.substr(0, middle);
118
119 if (middle != std::string::npos) {
120 split.second = base.substr(middle + 1);
121 }
122
123 return split;
124 }

Referenced by web::http::Parser::analyzeHeader(), web::http::client::ResponseParser::analyzeHeader(), web::http::server::RequestParser::analyzeHeader(), express::middleware::BasicAuthentication::BasicAuthentication(), web::websocket::server::SocketContextUpgradeFactory::create(), web::http::client::ResponseParser::parseStartLine(), web::http::server::RequestParser::parseStartLine(), web::http::client::SocketContextUpgradeFactorySelector::select(), web::http::server::SocketContextUpgradeFactorySelector::select(), and web::http::decoder::Fields::splitLine().

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◆ str_split_last()

std::pair< std::string, std::string > httputils::str_split_last ( const std::string &  base,
char  c_middle 
)

Definition at line 126 of file http_utils.cpp.

126 {
127 std::pair<std::string, std::string> split;
128
129 const unsigned long middle = base.find_last_of(c_middle);
130
131 split.first = base.substr(0, middle);
132
133 if (middle != std::string::npos) {
134 split.second = base.substr(middle + 1);
135 }
136
137 return split;
138 }

Referenced by express::Request::extend().

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◆ str_trimm()

std::string & httputils::str_trimm ( std::string &  text)

Definition at line 105 of file http_utils.cpp.

105 {
106 text.erase(text.find_last_not_of(" \t") + 1);
107 text.erase(0, text.find_first_not_of(" \t"));
108
109 return text;
110 }

Referenced by web::http::Parser::analyzeHeader(), web::http::client::ResponseParser::analyzeHeader(), web::http::server::RequestParser::analyzeHeader(), web::websocket::server::SocketContextUpgradeFactory::create(), web::http::client::SocketContextUpgradeFactorySelector::select(), web::http::server::SocketContextUpgradeFactorySelector::select(), and web::http::decoder::Fields::splitLine().

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◆ to_http_date()

std::string httputils::to_http_date ( struct tm *  tm)

Definition at line 140 of file http_utils.cpp.

140 {
141 char buf[100];
142
143 if (tm == nullptr) {
144 const time_t now = utils::system::time(nullptr);
145 tm = utils::system::gmtime(&now);
146 } else {
147 const time_t time = utils::system::mktime(tm);
148 tm = utils::system::gmtime(&time);
149 }
150
151 (void) strftime(buf, sizeof buf, "%a, %d %b %Y %H:%M:%S %Z", tm);
152 errno = 0; // Errno can be modified by strftime even though there is no error
153
154 return std::string(buf);
155 }
utils::system::gmtime
struct tm * gmtime(const time_t *timep)
Definition time.cpp:62
utils::system::mktime
time_t mktime(struct tm *tm)
Definition time.cpp:67
utils::system::time
time_t time(time_t *tloc)
Definition time.cpp:52

References utils::system::gmtime(), and utils::system::time().

Referenced by web::http::server::Response::clearCookie(), web::http::client::Request::executeSendHeader(), and web::http::server::Response::sendHeader().

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◆ to_lower()

std::string::iterator httputils::to_lower ( std::string &  string)

Definition at line 178 of file http_utils.cpp.

178 {
179 return std::transform(string.begin(), string.end(), string.begin(), ::tolower);
180 }

Referenced by web::http::client::SocketContextUpgradeFactorySelector::select(), web::http::client::SocketContextUpgradeFactorySelector::select(), and web::http::server::SocketContextUpgradeFactorySelector::select().

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◆ toString() [1/2]

std::string httputils::toString ( const std::string &  method,
const std::string &  url,
const std::string &  version,
const web::http::CiStringMap< std::string > &  queries,
const web::http::CiStringMap< std::string > &  header,
const web::http::CiStringMap< std::string > &  cookies,
const std::vector< char > &  body 
)

Definition at line 182 of file http_utils.cpp.

188 {
189 const int prefixLength = 9;
190 int keyLength = 0;
191
192 for (const auto& [key, value] : queries) {
193 keyLength = std::max(keyLength, static_cast<int>(key.size()));
194 }
195 for (const auto& [key, value] : header) {
196 keyLength = std::max(keyLength, static_cast<int>(key.size()));
197 }
198 for (const auto& [key, value] : cookies) {
199 keyLength = std::max(keyLength, static_cast<int>(key.size()));
200 }
201
202 std::stringstream requestStream;
203
204 requestStream << std::setw(prefixLength) << "Request"
205 << ": " << std::setw(keyLength) << "Method"
206 << " : " << method << "\n";
207 requestStream << std::setw(prefixLength) << ""
208 << ": " << std::setw(keyLength) << "Url"
209 << " : " << url << "\n";
210 requestStream << std::setw(prefixLength) << ""
211 << ": " << std::setw(keyLength) << "Version"
212 << " : " << version << "\n";
213
214 std::string prefix;
215
216 if (!queries.empty()) {
217 prefix = "Queries";
218 for (const auto& [query, value] : queries) {
219 requestStream << std::setw(prefixLength) << prefix << ": " << std::setw(keyLength) << query << " : " << value << "\n";
220 prefix = "";
221 }
222 }
223
224 if (!header.empty()) {
225 prefix = "Header";
226 for (const auto& [field, value] : header) {
227 requestStream << std::setw(prefixLength) << prefix << ": " << std::setw(keyLength) << field << " : " << value << "\n";
228 prefix = "";
229 }
230 }
231
232 if (!cookies.empty()) {
233 prefix = "Cookies";
234 for (const auto& [cookie, value] : cookies) {
235 requestStream << std::setw(prefixLength) << prefix << ": " << std::setw(keyLength) << cookie << " : " << value << "\n";
236 prefix = "";
237 }
238 }
239
240 if (!body.empty()) {
241 prefix = "Body";
242 requestStream << std::setw(prefixLength) << prefix << utils::hexDump(body, prefixLength) << "\n";
243 }
244
245 std::string string = requestStream.str();
246 if (!string.empty()) {
247 string.pop_back();
248 }
249
250 return string;
251 }
utils::hexDump
std::string hexDump(const std::vector< char > &bytes, int prefixLength, bool prefixAtFirstLine)
Definition hexdump.cpp:58

References utils::hexDump().

Referenced by express::middleware::VerboseRequest::VerboseRequest().

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◆ toString() [2/2]

std::string httputils::toString ( const std::string &  version,
const std::string &  statusCode,
const std::string &  reason,
const web::http::CiStringMap< std::string > &  header,
const web::http::CiStringMap< web::http::CookieOptions > &  cookies,
const std::vector< char > &  body 
)

Definition at line 253 of file http_utils.cpp.

258 {
259 const int prefixLength = 9;
260 int keyLength = 0;
261
262 for (const auto& [key, value] : header) {
263 keyLength = std::max(keyLength, static_cast<int>(key.size()));
264 }
265 for (const auto& [key, value] : cookies) {
266 keyLength = std::max(keyLength, static_cast<int>(key.size()));
267 }
268
269 std::stringstream requestStream;
270
271 requestStream << std::setw(prefixLength) << "Response"
272 << ": " << std::setw(keyLength) << "Version"
273 << " : " << version << "\n";
274 requestStream << std::setw(prefixLength) << ""
275 << ": " << std::setw(keyLength) << "Status"
276 << " : " << statusCode << "\n";
277 requestStream << std::setw(prefixLength) << ""
278 << ": " << std::setw(keyLength) << "Reason"
279 << " : " << reason << "\n";
280
281 std::string prefix;
282
283 if (!header.empty()) {
284 prefix = "Header";
285 for (const auto& [field, value] : header) {
286 requestStream << std::setw(prefixLength) << prefix << ": " << std::setw(keyLength) << field << " : " << value << "\n";
287 prefix = "";
288 }
289 }
290
291 if (!cookies.empty()) {
292 prefix = "Cookies";
293 for (const auto& [cookie, options] : cookies) {
294 requestStream << std::setw(prefixLength) << prefix << ": " << std::setw(keyLength) << cookie << " : " << options.getValue()
295 << "\n";
296 for (const auto& [optionKey, optionValue] : options.getOptions()) {
297 requestStream << std::setw(prefixLength) << ""
298 << ":" << std::setw(keyLength) << ""
299 << " : " << optionKey << "=" << optionValue << "\n";
300 }
301 prefix = "";
302 }
303 }
304
305 if (!body.empty()) {
306 prefix = "Body";
307 requestStream << std::setw(prefixLength) << prefix << utils::hexDump(body, prefixLength) << "\n";
308 }
309
310 std::string string = requestStream.str();
311 if (!string.empty()) {
312 string.pop_back();
313 }
314
315 return string;
316 }

References web::http::CookieOptions::getOptions(), web::http::CookieOptions::getValue(), and utils::hexDump().

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◆ url_decode()

std::string httputils::url_decode ( const std::string &  text)

Definition at line 66 of file http_utils.cpp.

66 {
67 std::string escaped;
68
69 for (std::string::const_iterator i = text.begin(), n = text.end(); i != n; ++i) {
70 const std::string::value_type c = (*i);
71
72 if (c == '%') {
73 if ((i[1] != 0) && (i[2] != 0)) {
74 escaped += static_cast<char>(from_hex(i[1]) << 4 | from_hex(i[2]));
75 i += 2;
76 }
77 } else if (c == '+') {
78 escaped += ' ';
79 } else {
80 escaped += c;
81 }
82 }
83
84 return escaped;
85 }
httputils::from_hex
static int from_hex(int ch)
Definition http_utils.cpp:62

References from_hex().

Referenced by express::Request::extend().

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◆ url_encode()

std::string httputils::url_encode ( const std::string &  text)

Definition at line 87 of file http_utils.cpp.

87 {
88 std::ostringstream escaped;
89 escaped.fill('0'); // cppcheck-suppress ignoredReturnValue
90 escaped << std::hex;
91
92 for (const char c : text) {
93 if ((isalnum(c) != 0) || c == '-' || c == '_' || c == '.' || c == '~') {
94 escaped << c;
95 } else {
96 escaped << std::uppercase;
97 escaped << '%' << std::setw(2) << static_cast<unsigned char>(c);
98 escaped << std::nouppercase;
99 }
100 }
101
102 return escaped.str();
103 }

Referenced by web::http::client::Request::executeSendHeader().

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