Files
wlan-cloud-owprov/src/framework/RESTAPI_Handler.h
2022-12-14 11:49:42 -08:00

827 lines
30 KiB
C++

//
// Created by stephane bourque on 2022-10-25.
//
#pragma once
#include <string>
#include <vector>
#include <map>
#include "Poco/Net/HTTPRequestHandler.h"
#include "Poco/Logger.h"
#include "Poco/JSON/Object.h"
#include "Poco/JSON/Parser.h"
#include "Poco/Net/HTTPResponse.h"
#include "Poco/Net/HTTPServerResponse.h"
#include "Poco/DeflatingStream.h"
#include "Poco/TemporaryFile.h"
#include "Poco/Net/OAuth20Credentials.h"
#include "framework/ow_constants.h"
#include "framework/RESTAPI_GenericServerAccounting.h"
#include "framework/RESTAPI_RateLimiter.h"
#include "framework/utils.h"
#include "framework/RESTAPI_utils.h"
#include "framework/AuthClient.h"
#include "RESTObjects/RESTAPI_SecurityObjects.h"
#if defined(TIP_SECURITY_SERVICE)
#include "AuthService.h"
#endif
using namespace std::chrono_literals;
namespace OpenWifi {
class RESTAPIHandler : public Poco::Net::HTTPRequestHandler {
public:
struct QueryBlock {
uint64_t StartDate = 0 , EndDate = 0 , Offset = 0 , Limit = 0, LogType = 0 ;
std::string SerialNumber, Filter;
std::vector<std::string> Select;
bool Lifetime=false, LastOnly=false, Newest=false, CountOnly=false, AdditionalInfo=false;
};
typedef std::map<std::string, std::string> BindingMap;
struct RateLimit {
int64_t Interval=1000;
int64_t MaxCalls=10;
};
RESTAPIHandler( BindingMap map,
Poco::Logger &l,
std::vector<std::string> Methods,
RESTAPI_GenericServerAccounting & Server,
uint64_t TransactionId,
bool Internal,
bool AlwaysAuthorize=true,
bool RateLimited=false,
const RateLimit & Profile = RateLimit{.Interval=1000,.MaxCalls=100},
bool SubscriberOnly=false)
: Bindings_(std::move(map)),
Logger_(l),
Methods_(std::move(Methods)),
Internal_(Internal),
RateLimited_(RateLimited),
SubOnlyService_(SubscriberOnly),
AlwaysAuthorize_(AlwaysAuthorize),
Server_(Server),
MyRates_(Profile),
TransactionId_(TransactionId)
{
}
inline bool RoleIsAuthorized([[maybe_unused]] const std::string & Path, [[maybe_unused]] const std::string & Method, [[maybe_unused]] std::string & Reason) {
return true;
}
inline void handleRequest(Poco::Net::HTTPServerRequest &RequestIn,
Poco::Net::HTTPServerResponse &ResponseIn) final {
try {
Request = &RequestIn;
Response = &ResponseIn;
// std::string th_name = "restsvr_" + std::to_string(TransactionId_);
// Utils::SetThreadName(th_name.c_str());
if(Request->getContentLength()>0) {
if(Request->getContentType().find("application/json")!=std::string::npos) {
ParsedBody_ = IncomingParser_.parse(Request->stream()).extract<Poco::JSON::Object::Ptr>();
}
}
if(RateLimited_ && RESTAPI_RateLimiter()->IsRateLimited(RequestIn,MyRates_.Interval, MyRates_.MaxCalls)) {
return UnAuthorized(RESTAPI::Errors::RATE_LIMIT_EXCEEDED);
}
if (!ContinueProcessing())
return;
bool Expired=false, Contacted=false;
if (AlwaysAuthorize_ && !IsAuthorized(Expired, Contacted, SubOnlyService_)) {
if(Expired)
return UnAuthorized(RESTAPI::Errors::EXPIRED_TOKEN);
if(Contacted)
return UnAuthorized(RESTAPI::Errors::INVALID_TOKEN);
else
return UnAuthorized(RESTAPI::Errors::SECURITY_SERVICE_UNREACHABLE);
}
std::string Reason;
if(!RoleIsAuthorized(RequestIn.getURI(), Request->getMethod(), Reason)) {
return UnAuthorized(RESTAPI::Errors::ACCESS_DENIED);
}
ParseParameters();
if (Request->getMethod() == Poco::Net::HTTPRequest::HTTP_GET)
return DoGet();
else if (Request->getMethod() == Poco::Net::HTTPRequest::HTTP_POST)
return DoPost();
else if (Request->getMethod() == Poco::Net::HTTPRequest::HTTP_DELETE)
return DoDelete();
else if (Request->getMethod() == Poco::Net::HTTPRequest::HTTP_PUT)
return DoPut();
return BadRequest(RESTAPI::Errors::UnsupportedHTTPMethod);
} catch (const Poco::Exception &E) {
Logger_.log(E);
return BadRequest(RESTAPI::Errors::InternalError);
}
}
[[nodiscard]] inline bool NeedAdditionalInfo() const { return QB_.AdditionalInfo; }
[[nodiscard]] inline const std::vector<std::string> & SelectedRecords() const { return QB_.Select; }
inline static bool ParseBindings(const std::string & Request, const std::list<std::string> & EndPoints, BindingMap &bindings) {
bindings.clear();
auto PathItems = Poco::StringTokenizer(Request, "/");
for(const auto &EndPoint:EndPoints) {
auto ParamItems = Poco::StringTokenizer(EndPoint, "/");
if (PathItems.count() != ParamItems.count())
continue;
bool Matched = true;
for (size_t i = 0; i < PathItems.count(); i++) {
if (PathItems[i] != ParamItems[i]) {
if (ParamItems[i][0] == '{') {
auto ParamName = ParamItems[i].substr(1, ParamItems[i].size() - 2);
bindings[Poco::toLower(ParamName)] = PathItems[i];
} else {
Matched = false;
break;
}
}
}
if(Matched)
return true;
}
return false;
}
inline void PrintBindings() {
for (const auto &[key, value] : Bindings_)
std::cout << "Key = " << key << " Value= " << value << std::endl;
}
inline void ParseParameters() {
Poco::URI uri(Request->getURI());
Parameters_ = uri.getQueryParameters();
InitQueryBlock();
}
inline static bool is_number(const std::string &s) {
return !s.empty() && std::all_of(s.begin(), s.end(), ::isdigit);
}
inline static bool is_bool(const std::string &s) {
if (s == "true" || s == "false")
return true;
return false;
}
[[nodiscard]] inline uint64_t GetParameter(const std::string &Name, const uint64_t Default) {
auto Hint = std::find_if(Parameters_.begin(),Parameters_.end(),[&](const std::pair<std::string,std::string> &S){ return S.first==Name; });
if(Hint==Parameters_.end() || !is_number(Hint->second))
return Default;
return std::stoull(Hint->second);
}
[[nodiscard]] inline bool GetBoolParameter(const std::string &Name, bool Default=false) {
auto Hint = std::find_if(begin(Parameters_),end(Parameters_),[&](const std::pair<std::string,std::string> &S){ return S.first==Name; });
if(Hint==end(Parameters_) || !is_bool(Hint->second))
return Default;
return Hint->second=="true";
}
[[nodiscard]] inline std::string GetParameter(const std::string &Name, const std::string &Default="") {
auto Hint = std::find_if(begin(Parameters_),end(Parameters_),[&](const std::pair<std::string,std::string> &S){ return S.first==Name; });
if(Hint==end(Parameters_))
return Default;
return Hint->second;
}
[[nodiscard]] inline bool HasParameter(const std::string &Name, std::string &Value) {
auto Hint = std::find_if(begin(Parameters_),end(Parameters_),[&](const std::pair<std::string,std::string> &S){ return S.first==Name; });
if(Hint==end(Parameters_))
return false;
Value = Hint->second;
return true;
}
[[nodiscard]] inline bool HasParameter(const std::string &Name, uint64_t & Value) {
auto Hint = std::find_if(begin(Parameters_),end(Parameters_),[&](const std::pair<std::string,std::string> &S){ return S.first==Name; });
if(Hint==end(Parameters_))
return false;
Value = std::stoull(Hint->second);
return true;
}
[[nodiscard]] inline const std::string & GetBinding(const std::string &Name, const std::string &Default="") {
auto E = Bindings_.find(Poco::toLower(Name));
if (E == Bindings_.end())
return Default;
return E->second;
}
[[nodiscard]] inline static std::string MakeList(const std::vector<std::string> &L) {
std::string Return;
for (const auto &i : L) {
if (Return.empty())
Return = i;
else
Return += ", " + i;
}
return Return;
}
static inline bool AssignIfPresent(const Poco::JSON::Object::Ptr &O, const std::string &Field, Types::UUIDvec_t & Value) {
if(O->has(Field) && O->isArray(Field)) {
auto Arr = O->getArray(Field);
for(const auto &i:*Arr)
Value.emplace_back(i.toString());
return true;
}
return false;
}
static inline bool AssignIfPresent(const Poco::JSON::Object::Ptr &O, const std::string &Field, std::string &Value) {
if(O->has(Field)) {
Value = O->get(Field).toString();
return true;
}
return false;
}
static inline bool AssignIfPresent(const Poco::JSON::Object::Ptr &O, const std::string &Field, uint64_t &Value) {
if(O->has(Field)) {
Value = O->get(Field);
return true;
}
return false;
}
static inline bool AssignIfPresent(const Poco::JSON::Object::Ptr &O, const std::string &Field, bool &Value) {
if(O->has(Field)) {
Value = O->get(Field).toString()=="true";
return true;
}
return false;
}
static inline bool AssignIfPresent(const Poco::JSON::Object::Ptr &O, const std::string &Field, double &Value) {
if(O->has(Field)) {
Value = (double) O->get(Field);
return true;
}
return false;
}
static inline bool AssignIfPresent(const Poco::JSON::Object::Ptr &O, const std::string &Field, Poco::Data::BLOB &Value) {
if(O->has(Field)) {
std::string Content = O->get(Field).toString();
auto DecodedBlob = Utils::base64decode(Content);
Value.assignRaw((const unsigned char *)&DecodedBlob[0],DecodedBlob.size());
return true;
}
return false;
}
template <typename T> bool AssignIfPresent(const Poco::JSON::Object::Ptr &O, const std::string &Field, const T &value, T & assignee) {
if(O->has(Field)) {
assignee = value;
return true;
}
return false;
}
inline void SetCommonHeaders(bool CloseConnection=false) {
Response->setVersion(Poco::Net::HTTPMessage::HTTP_1_1);
Response->setChunkedTransferEncoding(true);
Response->setContentType("application/json");
auto Origin = Request->find("Origin");
if (Origin != Request->end()) {
Response->set("Access-Control-Allow-Origin", Origin->second);
} else {
Response->set("Access-Control-Allow-Origin", "*");
}
Response->set("Vary", "Origin, Accept-Encoding");
if(CloseConnection) {
Response->set("Connection", "close");
Response->setKeepAlive(false);
} else {
Response->setKeepAlive(true);
Response->set("Connection", "Keep-Alive");
Response->set("Keep-Alive", "timeout=30, max=1000");
}
}
inline void ProcessOptions() {
Response->setVersion(Poco::Net::HTTPMessage::HTTP_1_1);
Response->setChunkedTransferEncoding(true);
auto Origin = Request->find("Origin");
if (Origin != Request->end()) {
Response->set("Access-Control-Allow-Origin", Origin->second);
} else {
Response->set("Access-Control-Allow-Origin", "*");
}
Response->set("Access-Control-Allow-Methods", MakeList(Methods_));
auto RequestHeaders = Request->find("Access-Control-Request-Headers");
if(RequestHeaders!=Request->end())
Response->set("Access-Control-Allow-Headers", RequestHeaders->second);
Response->set("Vary", "Origin, Accept-Encoding");
Response->set("Access-Control-Allow-Credentials", "true");
Response->set("Access-Control-Max-Age", "86400");
Response->set("Connection", "Keep-Alive");
Response->set("Keep-Alive", "timeout=30, max=1000");
Response->setContentLength(0);
Response->setStatus(Poco::Net::HTTPResponse::HTTP_OK);
Response->send();
}
inline void PrepareResponse(Poco::Net::HTTPResponse::HTTPStatus Status = Poco::Net::HTTPResponse::HTTP_OK,
bool CloseConnection = false) {
Response->setStatus(Status);
SetCommonHeaders(CloseConnection);
}
inline void BadRequest(const OpenWifi::RESTAPI::Errors::msg &E, const std::string & Extra="") {
PrepareResponse(Poco::Net::HTTPResponse::HTTP_BAD_REQUEST);
Poco::JSON::Object ErrorObject;
ErrorObject.set("ErrorCode",400);
ErrorObject.set("ErrorDetails",Request->getMethod());
if(Extra.empty())
ErrorObject.set("ErrorDescription",fmt::format("{}: {}",E.err_num,E.err_txt)) ;
else
ErrorObject.set("ErrorDescription",fmt::format("{}: {} ({})",E.err_num,E.err_txt, Extra)) ;
std::ostream &Answer = Response->send();
Poco::JSON::Stringifier::stringify(ErrorObject, Answer);
}
inline void InternalError(const OpenWifi::RESTAPI::Errors::msg &E) {
PrepareResponse(Poco::Net::HTTPResponse::HTTP_INTERNAL_SERVER_ERROR);
Poco::JSON::Object ErrorObject;
ErrorObject.set("ErrorCode",500);
ErrorObject.set("ErrorDetails",Request->getMethod());
ErrorObject.set("ErrorDescription",fmt::format("{}: {}",E.err_num,E.err_txt)) ;
std::ostream &Answer = Response->send();
Poco::JSON::Stringifier::stringify(ErrorObject, Answer);
}
inline void UnAuthorized(const OpenWifi::RESTAPI::Errors::msg &E) {
PrepareResponse(Poco::Net::HTTPResponse::HTTP_FORBIDDEN);
Poco::JSON::Object ErrorObject;
ErrorObject.set("ErrorCode",E.err_num);
ErrorObject.set("ErrorDetails",Request->getMethod());
ErrorObject.set("ErrorDescription",fmt::format("{}: {}",E.err_num,E.err_txt)) ;
std::ostream &Answer = Response->send();
Poco::JSON::Stringifier::stringify(ErrorObject, Answer);
}
inline void NotFound() {
PrepareResponse(Poco::Net::HTTPResponse::HTTP_NOT_FOUND);
Poco::JSON::Object ErrorObject;
ErrorObject.set("ErrorCode",404);
ErrorObject.set("ErrorDetails",Request->getMethod());
const auto & E = OpenWifi::RESTAPI::Errors::Error404;
ErrorObject.set("ErrorDescription",fmt::format("{}: {}",E.err_num,E.err_txt)) ;
std::ostream &Answer = Response->send();
Poco::JSON::Stringifier::stringify(ErrorObject, Answer);
poco_debug(Logger_,fmt::format("RES-NOTFOUND: User='{}@{}' Method='{}' Path='{}",
Requester(),
Utils::FormatIPv6(Request->clientAddress().toString()),
Request->getMethod(),
Request->getURI()));
}
inline void OK() {
PrepareResponse();
if( Request->getMethod()==Poco::Net::HTTPRequest::HTTP_DELETE ||
Request->getMethod()==Poco::Net::HTTPRequest::HTTP_OPTIONS) {
Response->send();
} else {
Poco::JSON::Object ErrorObject;
ErrorObject.set("Code", 0);
ErrorObject.set("Operation", Request->getMethod());
ErrorObject.set("Details", "Command completed.");
std::ostream &Answer = Response->send();
Poco::JSON::Stringifier::stringify(ErrorObject, Answer);
}
}
inline void SendCompressedTarFile(const std::string & FileName, const std::string & Content) {
Response->setStatus(Poco::Net::HTTPResponse::HTTPStatus::HTTP_OK);
SetCommonHeaders();
Response->set("Content-Type","application/gzip");
Response->set("Content-Disposition", "attachment; filename=" + FileName );
Response->set("Content-Transfer-Encoding","binary");
Response->set("Accept-Ranges", "bytes");
Response->set("Cache-Control", "no-store");
Response->set("Expires", "Mon, 26 Jul 2027 05:00:00 GMT");
Response->setStatus(Poco::Net::HTTPResponse::HTTP_OK);
Response->setContentLength(Content.size());
Response->setChunkedTransferEncoding(true);
std::ostream& OutputStream = Response->send();
OutputStream << Content;
}
inline void SendFile(Poco::File & File, const std::string & UUID) {
Response->setStatus(Poco::Net::HTTPResponse::HTTPStatus::HTTP_OK);
SetCommonHeaders();
Response->set("Content-Type","application/octet-stream");
Response->set("Content-Disposition", "attachment; filename=" + UUID );
Response->set("Content-Transfer-Encoding","binary");
Response->set("Accept-Ranges", "bytes");
Response->set("Cache-Control", "no-store");
Response->set("Expires", "Mon, 26 Jul 2027 05:00:00 GMT");
Response->setContentLength(File.getSize());
Response->sendFile(File.path(),"application/octet-stream");
}
inline void SendFile(Poco::File & File) {
Response->setStatus(Poco::Net::HTTPResponse::HTTPStatus::HTTP_OK);
SetCommonHeaders();
Poco::Path P(File.path());
auto MT = Utils::FindMediaType(File);
if(MT.Encoding==Utils::BINARY) {
Response->set("Content-Transfer-Encoding","binary");
Response->set("Accept-Ranges", "bytes");
}
Response->set("Cache-Control", "no-store");
Response->set("Expires", "Mon, 26 Jul 2027 05:00:00 GMT");
Response->sendFile(File.path(),MT.ContentType);
}
inline void SendFile(Poco::TemporaryFile &TempAvatar, [[maybe_unused]] const std::string &Type, const std::string & Name) {
Response->setStatus(Poco::Net::HTTPResponse::HTTPStatus::HTTP_OK);
SetCommonHeaders();
auto MT = Utils::FindMediaType(Name);
if(MT.Encoding==Utils::BINARY) {
Response->set("Content-Transfer-Encoding","binary");
Response->set("Accept-Ranges", "bytes");
}
Response->set("Content-Disposition", "attachment; filename=" + Name );
Response->set("Accept-Ranges", "bytes");
Response->set("Cache-Control", "no-store");
Response->set("Expires", "Mon, 26 Jul 2027 05:00:00 GMT");
Response->setContentLength(TempAvatar.getSize());
Response->sendFile(TempAvatar.path(),MT.ContentType);
}
inline void SendFileContent(const std::string &Content, const std::string &Type, const std::string & Name) {
Response->setStatus(Poco::Net::HTTPResponse::HTTPStatus::HTTP_OK);
SetCommonHeaders();
auto MT = Utils::FindMediaType(Name);
if(MT.Encoding==Utils::BINARY) {
Response->set("Content-Transfer-Encoding","binary");
Response->set("Accept-Ranges", "bytes");
}
Response->set("Content-Disposition", "attachment; filename=" + Name );
Response->set("Accept-Ranges", "bytes");
Response->set("Cache-Control", "no-store");
Response->set("Expires", "Mon, 26 Jul 2027 05:00:00 GMT");
Response->setContentLength(Content.size());
Response->setContentType(Type );
auto & OutputStream = Response->send();
OutputStream << Content ;
}
inline void SendHTMLFileBack(Poco::File & File,
const Types::StringPairVec & FormVars) {
Response->setStatus(Poco::Net::HTTPResponse::HTTPStatus::HTTP_OK);
SetCommonHeaders();
Response->set("Pragma", "private");
Response->set("Expires", "Mon, 26 Jul 2027 05:00:00 GMT");
std::string FormContent = Utils::LoadFile(File.path());
Utils::ReplaceVariables(FormContent, FormVars);
Response->setContentLength(FormContent.size());
Response->setChunkedTransferEncoding(true);
Response->setContentType("text/html");
std::ostream& ostr = Response->send();
ostr << FormContent;
}
inline void ReturnStatus(Poco::Net::HTTPResponse::HTTPStatus Status, bool CloseConnection=false) {
PrepareResponse(Status, CloseConnection);
if(Status == Poco::Net::HTTPResponse::HTTP_NO_CONTENT) {
Response->setContentLength(0);
Response->erase("Content-Type");
Response->setChunkedTransferEncoding(false);
}
Response->send();
}
inline bool ContinueProcessing() {
if (Request->getMethod() == Poco::Net::HTTPRequest::HTTP_OPTIONS) {
ProcessOptions();
return false;
} else if (std::find(Methods_.begin(), Methods_.end(), Request->getMethod()) == Methods_.end()) {
BadRequest(RESTAPI::Errors::UnsupportedHTTPMethod);
return false;
}
return true;
}
inline bool IsAuthorized(bool & Expired, bool & Contacted, bool SubOnly = false );
inline void ReturnObject(Poco::JSON::Object &Object) {
PrepareResponse();
if(Request!= nullptr) {
// can we compress ???
auto AcceptedEncoding = Request->find("Accept-Encoding");
if(AcceptedEncoding!=Request->end()) {
if( AcceptedEncoding->second.find("gzip")!=std::string::npos ||
AcceptedEncoding->second.find("compress")!=std::string::npos) {
Response->set("Content-Encoding", "gzip");
std::ostream &Answer = Response->send();
Poco::DeflatingOutputStream deflater(Answer, Poco::DeflatingStreamBuf::STREAM_GZIP);
Poco::JSON::Stringifier::stringify(Object, deflater);
deflater.close();
return;
}
}
}
std::ostream &Answer = Response->send();
Poco::JSON::Stringifier::stringify(Object, Answer);
}
inline void ReturnRawJSON(const std::string &json_doc) {
PrepareResponse();
if(Request!= nullptr) {
// can we compress ???
auto AcceptedEncoding = Request->find("Accept-Encoding");
if(AcceptedEncoding!=Request->end()) {
if( AcceptedEncoding->second.find("gzip")!=std::string::npos ||
AcceptedEncoding->second.find("compress")!=std::string::npos) {
Response->set("Content-Encoding", "gzip");
std::ostream &Answer = Response->send();
Poco::DeflatingOutputStream deflater(Answer, Poco::DeflatingStreamBuf::STREAM_GZIP);
deflater << json_doc;
deflater.close();
return;
}
}
}
std::ostream &Answer = Response->send();
Answer << json_doc;
}
inline void ReturnCountOnly(uint64_t Count) {
Poco::JSON::Object Answer;
Answer.set("count", Count);
ReturnObject(Answer);
}
inline bool InitQueryBlock() {
if(QueryBlockInitialized_)
return true;
QueryBlockInitialized_=true;
QB_.SerialNumber = GetParameter(RESTAPI::Protocol::SERIALNUMBER, "");
QB_.StartDate = GetParameter(RESTAPI::Protocol::STARTDATE, 0);
QB_.EndDate = GetParameter(RESTAPI::Protocol::ENDDATE, 0);
QB_.Offset = GetParameter(RESTAPI::Protocol::OFFSET, 0);
QB_.Limit = GetParameter(RESTAPI::Protocol::LIMIT, 100);
QB_.Filter = GetParameter(RESTAPI::Protocol::FILTER, "");
QB_.Lifetime = GetBoolParameter(RESTAPI::Protocol::LIFETIME,false);
QB_.LogType = GetParameter(RESTAPI::Protocol::LOGTYPE,0);
QB_.LastOnly = GetBoolParameter(RESTAPI::Protocol::LASTONLY,false);
QB_.Newest = GetBoolParameter(RESTAPI::Protocol::NEWEST,false);
QB_.CountOnly = GetBoolParameter(RESTAPI::Protocol::COUNTONLY,false);
QB_.AdditionalInfo = GetBoolParameter(RESTAPI::Protocol::WITHEXTENDEDINFO,false);
auto RawSelect = GetParameter(RESTAPI::Protocol::SELECT, "");
auto Entries = Poco::StringTokenizer(RawSelect,",");
for(const auto &i:Entries) {
QB_.Select.emplace_back(i);
}
if(QB_.Offset<1)
QB_.Offset=0;
return true;
}
[[nodiscard]] inline uint64_t Get(const char *Parameter,const Poco::JSON::Object::Ptr &Obj, uint64_t Default=0){
if(Obj->has(Parameter))
return Obj->get(Parameter);
return Default;
}
[[nodiscard]] inline std::string GetS(const char *Parameter,const Poco::JSON::Object::Ptr &Obj, const std::string & Default=""){
if(Obj->has(Parameter))
return Obj->get(Parameter).toString();
return Default;
}
[[nodiscard]] inline bool GetB(const char *Parameter,const Poco::JSON::Object::Ptr &Obj, bool Default=false){
if(Obj->has(Parameter))
return Obj->get(Parameter).toString()=="true";
return Default;
}
[[nodiscard]] inline uint64_t GetWhen(const Poco::JSON::Object::Ptr &Obj) {
return RESTAPIHandler::Get(RESTAPI::Protocol::WHEN, Obj);
}
template<typename T> void ReturnObject(const char *Name, const std::vector<T> & Objects) {
Poco::JSON::Object Answer;
RESTAPI_utils::field_to_json(Answer,Name,Objects);
ReturnObject(Answer);
}
template<typename T> void Object(const char *Name, const std::vector<T> & Objects) {
Poco::JSON::Object Answer;
RESTAPI_utils::field_to_json(Answer,Name,Objects);
ReturnObject(Answer);
}
template <typename T> void Object(const T &O) {
Poco::JSON::Object Answer;
O.to_json(Answer);
ReturnObject(Answer);
}
Poco::Logger & Logger() { return Logger_; }
virtual void DoGet() = 0 ;
virtual void DoDelete() = 0 ;
virtual void DoPost() = 0 ;
virtual void DoPut() = 0 ;
Poco::Net::HTTPServerRequest *Request= nullptr;
Poco::Net::HTTPServerResponse *Response= nullptr;
SecurityObjects::UserInfoAndPolicy UserInfo_;
QueryBlock QB_;
const std::string & Requester() const { return REST_Requester_; }
protected:
BindingMap Bindings_;
Poco::URI::QueryParameters Parameters_;
Poco::Logger &Logger_;
std::string SessionToken_;
std::vector<std::string> Methods_;
bool Internal_=false;
bool RateLimited_=false;
bool QueryBlockInitialized_=false;
bool SubOnlyService_=false;
bool AlwaysAuthorize_=true;
Poco::JSON::Parser IncomingParser_;
RESTAPI_GenericServerAccounting & Server_;
RateLimit MyRates_;
uint64_t TransactionId_;
Poco::JSON::Object::Ptr ParsedBody_;
std::string REST_Requester_;
};
#ifdef TIP_SECURITY_SERVICE
[[nodiscard]] bool AuthServiceIsAuthorized(Poco::Net::HTTPServerRequest & Request,std::string &SessionToken,
SecurityObjects::UserInfoAndPolicy & UInfo, std::uint64_t TID, bool & Expired , bool Sub );
#endif
inline bool RESTAPIHandler::IsAuthorized( bool & Expired , [[maybe_unused]] bool & Contacted , bool Sub ) {
if(Internal_ && Request->has("X-INTERNAL-NAME")) {
auto Allowed = MicroServiceIsValidAPIKEY(*Request);
Contacted = true;
if(!Allowed) {
if(Server_.LogBadTokens(false)) {
poco_debug(Logger_,fmt::format("I-REQ-DENIED({}): TID={} Method={} Path={}",
Utils::FormatIPv6(Request->clientAddress().toString()),
TransactionId_,
Request->getMethod(), Request->getURI()));
}
} else {
auto Id = Request->get("X-INTERNAL-NAME", "unknown");
REST_Requester_ = Id;
if(Server_.LogIt(Request->getMethod(),true)) {
poco_debug(Logger_,fmt::format("I-REQ-ALLOWED({}): TID={} User='{}' Method={} Path={}",
Utils::FormatIPv6(Request->clientAddress().toString()),
TransactionId_,
Id,
Request->getMethod(), Request->getURI()));
}
}
return Allowed;
} else if(!Internal_ && Request->has("X-API-KEY")) {
SessionToken_ = Request->get("X-API-KEY", "");
#ifdef TIP_SECURITY_SERVICE
std::uint64_t expiresOn;
if (AuthService()->IsValidApiKey(SessionToken_, UserInfo_.webtoken, UserInfo_.userinfo, Expired, expiresOn)) {
#else
if (AuthClient()->IsValidApiKey( SessionToken_, UserInfo_, TransactionId_, Expired, Contacted)) {
#endif
REST_Requester_ = UserInfo_.userinfo.email;
if(Server_.LogIt(Request->getMethod(),true)) {
poco_debug(Logger_,fmt::format("X-REQ-ALLOWED({}): APIKEY-ACCESS TID={} User='{}@{}' Method={} Path={}",
UserInfo_.userinfo.email,
TransactionId_,
Utils::FormatIPv6(Request->clientAddress().toString()),
Request->clientAddress().toString(),
Request->getMethod(),
Request->getURI()));
}
return true;
} else {
if(Server_.LogBadTokens(true)) {
poco_debug(Logger_,fmt::format("X-REQ-DENIED({}): TID={} Method={} Path={}",
Utils::FormatIPv6(Request->clientAddress().toString()),
TransactionId_,
Request->getMethod(),
Request->getURI()));
}
}
return false;
} else {
if (SessionToken_.empty()) {
try {
Poco::Net::OAuth20Credentials Auth(*Request);
if (Auth.getScheme() == "Bearer") {
SessionToken_ = Auth.getBearerToken();
}
} catch (const Poco::Exception &E) {
Logger_.log(E);
}
}
#ifdef TIP_SECURITY_SERVICE
if (AuthServiceIsAuthorized(*Request, SessionToken_, UserInfo_, TransactionId_, Expired, Sub)) {
#else
if (AuthClient()->IsAuthorized( SessionToken_, UserInfo_, TransactionId_, Expired, Contacted, Sub)) {
#endif
REST_Requester_ = UserInfo_.userinfo.email;
if(Server_.LogIt(Request->getMethod(),true)) {
poco_debug(Logger_,fmt::format("X-REQ-ALLOWED({}): TID={} User='{}@{}' Method={} Path={}",
UserInfo_.userinfo.email,
TransactionId_,
Utils::FormatIPv6(Request->clientAddress().toString()),
Request->clientAddress().toString(),
Request->getMethod(),
Request->getURI()));
}
return true;
} else {
if(Server_.LogBadTokens(true)) {
poco_debug(Logger_,fmt::format("X-REQ-DENIED({}): TID={} Method={} Path={}",
Utils::FormatIPv6(Request->clientAddress().toString()),
TransactionId_,
Request->getMethod(),
Request->getURI()));
}
}
return false;
}
}
class RESTAPI_UnknownRequestHandler : public RESTAPIHandler {
public:
RESTAPI_UnknownRequestHandler(const RESTAPIHandler::BindingMap &bindings, Poco::Logger &L, RESTAPI_GenericServerAccounting & Server, uint64_t TransactionId, bool Internal)
: RESTAPIHandler(bindings, L, std::vector<std::string>{}, Server, TransactionId, Internal) {}
inline void DoGet() override {};
inline void DoPost() override {};
inline void DoPut() override {};
inline void DoDelete() override {};
};
template<class T>
constexpr auto test_has_PathName_method(T*)
-> decltype( T::PathName() , std::true_type{} )
{
return std::true_type{};
}
constexpr auto test_has_PathName_method(...) -> std::false_type
{
return std::false_type{};
}
template<typename T, typename... Args>
RESTAPIHandler * RESTAPI_Router(const std::string & RequestedPath, RESTAPIHandler::BindingMap &Bindings,
Poco::Logger & Logger, RESTAPI_GenericServerAccounting & Server, uint64_t TransactionId) {
static_assert(test_has_PathName_method((T*)nullptr), "Class must have a static PathName() method.");
if(RESTAPIHandler::ParseBindings(RequestedPath,T::PathName(),Bindings)) {
return new T(Bindings, Logger, Server, TransactionId, false);
}
if constexpr (sizeof...(Args) == 0) {
return new RESTAPI_UnknownRequestHandler(Bindings,Logger, Server, TransactionId, false);
} else {
return RESTAPI_Router<Args...>(RequestedPath, Bindings, Logger, Server, TransactionId);
}
}
template<typename T, typename... Args>
RESTAPIHandler * RESTAPI_Router_I(const std::string & RequestedPath, RESTAPIHandler::BindingMap &Bindings,
Poco::Logger & Logger, RESTAPI_GenericServerAccounting & Server, uint64_t TransactionId) {
static_assert(test_has_PathName_method((T*)nullptr), "Class must have a static PathName() method.");
if(RESTAPIHandler::ParseBindings(RequestedPath,T::PathName(),Bindings)) {
return new T(Bindings, Logger, Server, TransactionId, true );
}
if constexpr (sizeof...(Args) == 0) {
return new RESTAPI_UnknownRequestHandler(Bindings,Logger, Server, TransactionId, true);
} else {
return RESTAPI_Router_I<Args...>(RequestedPath, Bindings, Logger, Server, TransactionId);
}
}
} // namespace OpenWifi