percent-encoding decode

inc/rum/http/uri.h

@@ -32,5 +32,8 @@ class URI {
   void set_port(const std::string& port) { this->port = port; }
 
   operator std::string() const;
+
+  static std::string decode(std::string text);
+  static std::string encode(std::string text);
 };
 } // namespace Rum::HTTP

src/rum/http/uri.cpp

@@ -47,12 +47,12 @@ URI::operator std::string() const {
 }
 
 URI::URI(const std::string& uri) {
-  std::regex uri_regex(R"((([\w\d]+):\/\/)?(([\w\d]+)(:([\w\d]+)?)@)?([\w\d\.]+)(:(\d+))?(\/?[\w\d%\.\/]+)?(\?([^#]+))?(\#([\w\d]*))?)");
+  std::regex uri_regex(R"((([\w\d]+):\/\/)?(([\w\d%]+)(:([\w\d%]+)?)@)?([\w\d\.]+)(:(\d+))?(\/?[\w\d%\.\/]+)?(\?([^#]+))?(\#([\w\d%]*))?)");
 
   std::smatch match;
 
 #ifdef DEBUG
-  std::cout << uri << std::endl;
+  std::cout << uri_decoded << std::endl;
 #endif
 
   if (std::regex_match(uri.cbegin(), uri.cend(), match, uri_regex)) {
@@ -62,13 +62,18 @@ URI::URI(const std::string& uri) {
 
     MATCH(scheme, 2)
     MATCH(user, 4)
+    user = decode(user);
     MATCH(password, 6)
+    password = decode(password);
     MATCH(host, 7)
     MATCH(port, 9)
     MATCH(path, 10)
+    path = decode(path);
     std::string query;
     MATCH(query, 12)
+    query = decode(query);
     MATCH(fragment, 14)
+    fragment = decode(fragment);
 
     std::stringstream parameters_string(query);
     std::string parameter;
@@ -83,4 +88,19 @@ URI::URI(const std::string& uri) {
     throw std::exception();
   }
 }
+
+std::string URI::decode(std::string text) {
+  std::regex encoded_regex(R"(%([\w\d]{2}))");
+  std::smatch match;
+  while (std::regex_search(text.cbegin(), text.cend(), match, encoded_regex)) {
+    char decoded = (char)std::stoi(match.str(1), 0, 16);
+    text = text.substr(0, match.position()) + decoded + text.substr(match.position() + 3);
+  }
+
+  return text;
+}
+std::string URI::encode(std::string text) {
+  throw std::exception();
+  return text;
+}
 } // namespace Rum::HTTP