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-rw-r--r--src/Bindings/CMakeLists.txt2
-rw-r--r--src/Bindings/ManualBindings.cpp159
-rw-r--r--src/HTTPServer/CMakeLists.txt8
-rw-r--r--src/HTTPServer/UrlParser.cpp200
-rw-r--r--src/HTTPServer/UrlParser.h58
5 files changed, 424 insertions, 3 deletions
diff --git a/src/Bindings/CMakeLists.txt b/src/Bindings/CMakeLists.txt
index a53e82581..702d38365 100644
--- a/src/Bindings/CMakeLists.txt
+++ b/src/Bindings/CMakeLists.txt
@@ -154,5 +154,5 @@ endif()
if(NOT MSVC)
add_library(Bindings ${SRCS} ${HDRS})
- target_link_libraries(Bindings lua sqlite tolualib mbedtls)
+ target_link_libraries(Bindings lua sqlite tolualib mbedtls HTTPServer)
endif()
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index 3a595c1d2..42e7e9bd2 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -36,6 +36,7 @@
#include "../StringCompression.h"
#include "../CommandOutput.h"
#include "../BuildInfo.h"
+#include "../HTTPServer/UrlParser.h"
@@ -1956,6 +1957,155 @@ static int tolua_get_HTTPRequest_FormData(lua_State* tolua_S)
+static int tolua_cUrlParser_GetDefaultPort(lua_State * a_LuaState)
+{
+ // API function signature:
+ // cUrlParser:GetDefaultPort("scheme") -> number
+
+ // Check params:
+ cLuaState L(a_LuaState);
+ if (
+ !L.CheckParamUserTable(1, "cUrlParser") ||
+ !L.CheckParamString(2) ||
+ !L.CheckParamEnd(3)
+ )
+ {
+ return 0;
+ }
+
+ // Read params from Lua:
+ AString scheme;
+ L.GetStackValue(2, scheme);
+
+ // Execute and push result:
+ L.Push(cUrlParser::GetDefaultPort(scheme));
+ return 1;
+}
+
+
+
+
+
+static int tolua_cUrlParser_IsKnownScheme(lua_State * a_LuaState)
+{
+ // API function signature:
+ // cUrlParser:IsKnownScheme("scheme") -> bool
+
+ // Check params:
+ cLuaState L(a_LuaState);
+ if (
+ !L.CheckParamUserTable(1, "cUrlParser") ||
+ !L.CheckParamString(2) ||
+ !L.CheckParamEnd(3)
+ )
+ {
+ return 0;
+ }
+
+ // Read params from Lua:
+ AString scheme;
+ L.GetStackValue(2, scheme);
+
+ // Execute and push result:
+ L.Push(cUrlParser::IsKnownScheme(scheme));
+ return 1;
+}
+
+
+
+
+
+static int tolua_cUrlParser_Parse(lua_State * a_LuaState)
+{
+ // API function signature:
+ // cUrlParser:Parse("url") -> "scheme", "user", "password", "host", portnum, "path", "query", "fragment"
+ // On error, returns nil and error message
+
+ // Check params:
+ cLuaState L(a_LuaState);
+ if (
+ !L.CheckParamUserTable(1, "cUrlParser") ||
+ !L.CheckParamString(2) ||
+ !L.CheckParamEnd(3)
+ )
+ {
+ return 0;
+ }
+
+ // Read params from Lua:
+ AString url;
+ L.GetStackValue(2, url);
+
+ // Execute and push result:
+ AString scheme, username, password, host, path, query, fragment;
+ UInt16 port;
+ auto res = cUrlParser::Parse(url, scheme, username, password, host, port, path, query, fragment);
+ if (!res.first)
+ {
+ // Error, return nil and error msg:
+ L.PushNil();
+ L.Push(res.second);
+ return 2;
+ }
+ L.Push(scheme);
+ L.Push(username);
+ L.Push(password);
+ L.Push(host);
+ L.Push(port);
+ L.Push(path);
+ L.Push(query);
+ L.Push(fragment);
+ return 8;
+}
+
+
+
+
+
+static int tolua_cUrlParser_ParseAuthorityPart(lua_State * a_LuaState)
+{
+ // API function signature:
+ // cUrlParser:ParseAuthorityPart("authority") -> "user", "password", "host", portnum
+ // On error, returns nil and error message
+ // Parts not specified in the "authority" are left empty / zero
+
+ // Check params:
+ cLuaState L(a_LuaState);
+ if (
+ !L.CheckParamUserTable(1, "cUrlParser") ||
+ !L.CheckParamString(2) ||
+ !L.CheckParamEnd(3)
+ )
+ {
+ return 0;
+ }
+
+ // Read params from Lua:
+ AString authPart;
+ L.GetStackValue(2, authPart);
+
+ // Execute and push result:
+ AString username, password, host;
+ UInt16 port;
+ auto res = cUrlParser::ParseAuthorityPart(authPart, username, password, host, port);
+ if (!res.first)
+ {
+ // Error, return nil and error msg:
+ L.PushNil();
+ L.Push(res.second);
+ return 2;
+ }
+ L.Push(username);
+ L.Push(password);
+ L.Push(host);
+ L.Push(port);
+ return 4;
+}
+
+
+
+
+
static int tolua_cWebAdmin_GetPlugins(lua_State * tolua_S)
{
cWebAdmin * self = reinterpret_cast<cWebAdmin *>(tolua_tousertype(tolua_S, 1, nullptr));
@@ -3224,9 +3374,11 @@ void cManualBindings::Bind(lua_State * tolua_S)
tolua_usertype(tolua_S, "cCryptoHash");
tolua_usertype(tolua_S, "cLineBlockTracer");
tolua_usertype(tolua_S, "cStringCompression");
+ tolua_usertype(tolua_S, "cUrlParser");
tolua_cclass(tolua_S, "cCryptoHash", "cCryptoHash", "", nullptr);
tolua_cclass(tolua_S, "cLineBlockTracer", "cLineBlockTracer", "", nullptr);
tolua_cclass(tolua_S, "cStringCompression", "cStringCompression", "", nullptr);
+ tolua_cclass(tolua_S, "cUrlParser", "cUrlParser", "", nullptr);
// Globals:
tolua_function(tolua_S, "Clamp", tolua_Clamp);
@@ -3390,6 +3542,13 @@ void cManualBindings::Bind(lua_State * tolua_S)
tolua_function(tolua_S, "InflateString", tolua_InflateString);
tolua_endmodule(tolua_S);
+ tolua_beginmodule(tolua_S, "cUrlParser");
+ tolua_function(tolua_S, "GetDefaultPort", tolua_cUrlParser_GetDefaultPort);
+ tolua_function(tolua_S, "IsKnownScheme", tolua_cUrlParser_IsKnownScheme);
+ tolua_function(tolua_S, "Parse", tolua_cUrlParser_Parse);
+ tolua_function(tolua_S, "ParseAuthorityPart", tolua_cUrlParser_ParseAuthorityPart);
+ tolua_endmodule(tolua_S);
+
tolua_beginmodule(tolua_S, "cWebAdmin");
tolua_function(tolua_S, "GetHTMLEscapedString", tolua_AllToLua_cWebAdmin_GetHTMLEscapedString);
tolua_function(tolua_S, "GetPlugins", tolua_cWebAdmin_GetPlugins);
diff --git a/src/HTTPServer/CMakeLists.txt b/src/HTTPServer/CMakeLists.txt
index 6788d50bf..b875b9145 100644
--- a/src/HTTPServer/CMakeLists.txt
+++ b/src/HTTPServer/CMakeLists.txt
@@ -12,7 +12,9 @@ SET (SRCS
HTTPServer.cpp
MultipartParser.cpp
NameValueParser.cpp
- SslHTTPConnection.cpp)
+ SslHTTPConnection.cpp
+ UrlParser.cpp
+)
SET (HDRS
EnvelopeParser.h
@@ -22,7 +24,9 @@ SET (HDRS
HTTPServer.h
MultipartParser.h
NameValueParser.h
- SslHTTPConnection.h)
+ SslHTTPConnection.h
+ UrlParser.h
+)
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set_source_files_properties(HTTPServer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors ")
diff --git a/src/HTTPServer/UrlParser.cpp b/src/HTTPServer/UrlParser.cpp
new file mode 100644
index 000000000..05db3e413
--- /dev/null
+++ b/src/HTTPServer/UrlParser.cpp
@@ -0,0 +1,200 @@
+
+// UrlParser.cpp
+
+// Implements the cUrlParser class that parses string URL into individual parts
+
+#include "Globals.h"
+#include "UrlParser.h"
+
+
+
+
+
+UInt16 cUrlParser::GetDefaultPort(const AString & a_Scheme)
+{
+ if (a_Scheme == "http")
+ {
+ return 80;
+ }
+ else if (a_Scheme == "https")
+ {
+ return 443;
+ }
+ else if (a_Scheme == "ftp")
+ {
+ return 21;
+ }
+ else if (a_Scheme == "mailto")
+ {
+ return 25;
+ }
+ return 0;
+}
+
+
+
+
+
+std::pair<bool, AString> cUrlParser::ParseAuthorityPart(
+ const AString & a_AuthorityPart,
+ AString & a_Username,
+ AString & a_Password,
+ AString & a_Host,
+ UInt16 & a_Port
+)
+{
+ /*
+ a_AuthorityPart format:
+ [user:password@]host[:port]
+ host can be an IPv4, hostname, or an IPv6 enclosed in brackets
+ Assume only the password can contain an additional at-sign
+ */
+
+ // Split the authority on the last at-sign, if present:
+ auto idxLastAtSign = a_AuthorityPart.find_last_of('@');
+ auto credPart = (idxLastAtSign == AString::npos) ? AString() : a_AuthorityPart.substr(0, idxLastAtSign);
+ auto srvrPart = (idxLastAtSign == AString::npos) ? a_AuthorityPart : a_AuthorityPart.substr(idxLastAtSign + 1);
+
+ // User credentials are completely optional:
+ auto idxCredColon = credPart.find(':');
+ a_Username = credPart.substr(0, idxCredColon);
+ a_Password = (idxCredColon == AString::npos) ? AString() : credPart.substr(idxCredColon + 1);
+
+ // Host can be a hostname, IPv4 or [IPv6]. If in brackets, search for the closing bracket first
+ if (srvrPart.empty())
+ {
+ // No host information at all. Bail out with success
+ a_Host.clear();
+ return std::make_pair(true, AString());
+ }
+ if (srvrPart[0] == '[')
+ {
+ // [IPv6] host, search for the closing bracket
+ auto idxClosingBracket = srvrPart.find(']');
+ if (idxClosingBracket == AString::npos)
+ {
+ return std::make_pair(false, "Invalid IPv6-like address, missing closing bracket");
+ }
+ a_Host = srvrPart.substr(0, idxClosingBracket);
+ auto portPart = srvrPart.substr(idxClosingBracket + 1);
+ if (portPart.empty())
+ {
+ // No port was specified, return success
+ return std::make_pair(true, AString());
+ }
+ if (portPart[0] != ':')
+ {
+ return std::make_pair(false, "Invalid port format after IPv6 address, mising colon");
+ }
+ if (!StringToInteger(portPart.substr(2), a_Port))
+ {
+ return std::make_pair(false, "Failed to parse port number after IPv6 address");
+ }
+ return std::make_pair(true, AString());
+ }
+
+ // Not an [IPv6] address, split on the last colon:
+ auto idxLastColon = srvrPart.find_last_of(':');
+ a_Host = srvrPart.substr(0, idxLastColon);
+ if (idxLastColon == AString::npos)
+ {
+ // No port was specified, return success
+ return std::make_pair(true, AString());
+ }
+ auto portPart = srvrPart.substr(idxLastColon + 1);
+ if (!StringToInteger(portPart, a_Port))
+ {
+ return std::make_pair(false, "Failed to parse port number after hostname");
+ }
+ return std::make_pair(true, AString());
+}
+
+
+
+
+
+std::pair<bool, AString> cUrlParser::Parse(
+ const AString & a_Url,
+ AString & a_Scheme,
+ AString & a_Username,
+ AString & a_Password,
+ AString & a_Host,
+ UInt16 & a_Port,
+ AString & a_Path,
+ AString & a_Query,
+ AString & a_Fragment
+)
+{
+ // Find the scheme - the text before the first colon:
+ auto idxColon = a_Url.find(':');
+ if (idxColon == AString::npos)
+ {
+ return std::make_pair(false, "Cannot parse the Scheme part of the URL");
+ }
+ a_Scheme = StrToLower(a_Url.substr(0, idxColon));
+ a_Port = GetDefaultPort(a_Scheme);
+ if (a_Port == 0)
+ {
+ return std::make_pair(false, Printf("Unknown URL scheme: \"%s\"", a_Scheme.c_str()));
+ }
+
+ // If the next two chars are a double-slash, skip them:
+ auto authStart = idxColon + 1;
+ if (a_Url.substr(authStart, 2) == "//")
+ {
+ authStart += 2;
+ }
+
+ // The Authority part follows the Scheme, until the first slash:
+ auto idxFirstSlash = a_Url.find('/', authStart + 1);
+ if (idxFirstSlash == AString::npos)
+ {
+ // No slash, the whole end of the Url is the authority part
+ idxFirstSlash = a_Url.size();
+ }
+
+ // Parse the Authority part into individual components:
+ auto res = ParseAuthorityPart(
+ a_Url.substr(authStart, idxFirstSlash - authStart),
+ a_Username, a_Password,
+ a_Host, a_Port
+ );
+ if (!res.first)
+ {
+ return res;
+ }
+
+ // Parse the rest into a path, query and fragment:
+ a_Path.clear();
+ a_Query.clear();
+ a_Fragment.clear();
+ if (idxFirstSlash == a_Url.size())
+ {
+ // No additional data, bail out with success
+ return std::make_pair(true, AString());
+ }
+ auto idxPathEnd = a_Url.find_first_of("?#", idxFirstSlash + 1);
+ if (idxPathEnd == AString::npos)
+ {
+ a_Path = a_Url.substr(idxFirstSlash);
+ return std::make_pair(true, AString());
+ }
+ a_Path = a_Url.substr(idxFirstSlash, idxPathEnd - idxFirstSlash);
+ auto idxHash = a_Url.find('#', idxPathEnd);
+ if (idxHash == AString::npos)
+ {
+ a_Query = a_Url.substr(idxPathEnd + 1);
+ return std::make_pair(true, AString());
+ }
+ if (idxHash > idxPathEnd)
+ {
+ a_Query = a_Url.substr(idxPathEnd + 1, idxHash - idxPathEnd - 1);
+ }
+ a_Fragment = a_Url.substr(idxHash + 1);
+ return std::make_pair(true, AString());
+}
+
+
+
+
+
diff --git a/src/HTTPServer/UrlParser.h b/src/HTTPServer/UrlParser.h
new file mode 100644
index 000000000..15a63e05d
--- /dev/null
+++ b/src/HTTPServer/UrlParser.h
@@ -0,0 +1,58 @@
+
+// UrlParser.h
+
+// Declares the cUrlParser class that parses string URL into individual parts
+
+
+
+
+
+#pragma once
+
+
+
+
+
+class cUrlParser
+{
+public:
+ /** Returns true if the specified scheme (http, ftp, mailto, ...) is recognized by the URL parser.
+ Is case sensitive, known schemes are always lowercase. */
+ static bool IsKnownScheme(const AString & a_Scheme) { return (GetDefaultPort(a_Scheme) > 0); }
+
+ /** Returns the default port used by the specified scheme / protocol.
+ If the scheme is not known, 0 is returned. */
+ static UInt16 GetDefaultPort(const AString & a_Scheme);
+
+ /** Parses the given Authority part of an URL into individual components.
+ Returns true on success,
+ returns false and error message on failure. */
+ static std::pair<bool, AString> ParseAuthorityPart(
+ const AString & a_AuthorityPart,
+ AString & a_Username,
+ AString & a_Password,
+ AString & a_Host,
+ UInt16 & a_Port
+ );
+
+ /** Parses the given URL into individual components.
+ Returns true on success,
+ returns false and error message on failure.
+ Fails if the scheme (protocol) is not known.
+ If port is missing, the default port for the specific scheme is applied. */
+ static std::pair<bool, AString> Parse(
+ const AString & a_Url,
+ AString & a_Scheme,
+ AString & a_Username,
+ AString & a_Password,
+ AString & a_Host,
+ UInt16 & a_Port,
+ AString & a_Path,
+ AString & a_Query,
+ AString & a_Fragment
+ );
+};
+
+
+
+
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