651 lines
22 KiB
C++
651 lines
22 KiB
C++
#include "TessesFramework/Http/HttpServer.hpp"
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#include "TessesFramework/Streams/FileStream.hpp"
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#include "TessesFramework/Streams/MemoryStream.hpp"
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#include "TessesFramework/TextStreams/StreamWriter.hpp"
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#include "TessesFramework/TextStreams/StreamReader.hpp"
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#include "TessesFramework/Http/ContentDisposition.hpp"
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#include "TessesFramework/Streams/BufferedStream.hpp"
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#include "TessesFramework/Http/HttpStream.hpp"
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#include <iostream>
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using FileStream = Tesses::Framework::Streams::FileStream;
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using Stream = Tesses::Framework::Streams::Stream;
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using SeekOrigin = Tesses::Framework::Streams::SeekOrigin;
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using MemoryStream = Tesses::Framework::Streams::MemoryStream;
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using StreamReader = Tesses::Framework::TextStreams::StreamReader;
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using StreamWriter = Tesses::Framework::TextStreams::StreamWriter;
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using TcpServer = Tesses::Framework::Streams::TcpServer;
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using NetworkStream = Tesses::Framework::Streams::NetworkStream;
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using BufferedStream = Tesses::Framework::Streams::BufferedStream;
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namespace Tesses::Framework::Http
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{
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/*
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static int _header_field(multipart_parser* p, const char *at, size_t length)
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{
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UploadData* data = static_cast<UploadData*>(multipart_parser_get_data(p));
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data->currentHeaderKey = std::string(at,length);
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return 0;
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}
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static int _header_value(multipart_parser* p, const char *at, size_t length)
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{
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UploadData* data = static_cast<UploadData*>(multipart_parser_get_data(p));
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data->currentHeaders.AddValue(data->currentHeaderKey, std::string(at,length));
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std::cout << data->currentHeaderKey << ": " << std::string(at,length) << std::endl;
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return 0;
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}
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static int _part_begin(multipart_parser* p)
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{
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UploadData* data = static_cast<UploadData*>(multipart_parser_get_data(p));
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std::string cd0;
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ContentDisposition cd1;
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std::string ct;
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if(!data->currentHeaders.TryGetFirst("Content-Type",ct))
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ct = "application/octet-stream";
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if(data->currentHeaders.TryGetFirst("Content-Disposition", cd0) && ContentDisposition::TryParse(cd0,cd1))
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{
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if(cd1.filename.empty())
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{
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data->isFile=false;
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data->key = cd1.fieldName;
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data->currentBody = new MemoryStream(true);
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}
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else
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{
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data->isFile = true;
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data->currentBody = data->cb(ct, cd1.filename, cd1.fieldName);
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}
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}
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return 0;
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}
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static int _part_end(multipart_parser* p)
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{
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UploadData* data = static_cast<UploadData*>(multipart_parser_get_data(p));
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if(data->currentBody == nullptr) return 0;
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if(data->isFile)
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{
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delete data->currentBody;
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data->currentBody = nullptr;
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}
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else
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{
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MemoryStream* ms = dynamic_cast<MemoryStream*>(data->currentBody);
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if(ms != nullptr)
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{
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ms->Seek(0, SeekOrigin::Begin);
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auto& buff = ms->GetBuffer();
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data->ctx->queryParams.AddValue(data->key, std::string(buff.begin(),buff.end()));
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}
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delete data->currentBody;
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data->currentBody=nullptr;
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}
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data->currentHeaders.Clear();
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return 0;
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}*/
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bool ServerContext::NeedToParseFormData()
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{
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std::string ct;
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if(this->requestHeaders.TryGetFirst("Content-Type",ct))
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{
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if(ct.find("multipart/form-data") == 0)
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{
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return true;
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}
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}
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return false;
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}
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static bool parseUntillBoundaryEnd(Tesses::Framework::Streams::Stream* src, Tesses::Framework::Streams::Stream* dest, std::string boundary)
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{
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bool hasMore=true;
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uint8_t checkBuffer[boundary.size()];
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int b;
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size_t i = 0;
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size_t i2 = 0;
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uint8_t buffer[1024];
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size_t offsetInMem = 0;
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while((b = src->ReadByte()) != -1)
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{
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if(i == boundary.size())
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{
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if (b == '-')
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{
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i2++;
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if(i2 == 2) hasMore=false;
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}
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if (b == '\n') break;
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else if(b != '-')
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i2 = 0;
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continue;
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}
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i2=0;
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if (b == boundary[i]) //start filling the check buffer
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{
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checkBuffer[i] = (uint8_t)b;
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i++;
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}
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else
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{
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size_t idx = 0;
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while (idx < i) //write the buffer data to stream
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{
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if(offsetInMem >= sizeof(buffer))
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{
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dest->Write(buffer, sizeof(buffer));
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offsetInMem=0;
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}
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buffer[offsetInMem++] = checkBuffer[idx];
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idx++;
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}
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i = 0;
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if(offsetInMem >= sizeof(buffer))
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{
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dest->Write(buffer, sizeof(buffer));
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offsetInMem=0;
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}
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buffer[offsetInMem++] = (uint8_t)b;
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}
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}
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if(offsetInMem > 0)
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{
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dest->Write(buffer,offsetInMem);
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}
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return hasMore;
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}
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static bool parseSection(ServerContext* ctx, std::string boundary, std::function<Tesses::Framework::Streams::Stream*(std::string mime, std::string filename, std::string name)> cb)
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{
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HttpDictionary req;
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StreamReader reader(ctx->GetStream());
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std::string line;
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while(reader.ReadLine(line))
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{
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auto v = HttpUtils::SplitString(line,": ", 2);
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if(v.size() == 2)
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req.AddValue(v[0],v[1]);
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line.clear();
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}
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std::string cd0;
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ContentDisposition cd1;
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std::string ct;
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if(!req.TryGetFirst("Content-Type",ct))
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ct = "application/octet-stream";
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if(req.TryGetFirst("Content-Disposition", cd0) && ContentDisposition::TryParse(cd0,cd1))
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{
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if(cd1.filename.empty())
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{
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MemoryStream ms(true);
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bool retVal = parseUntillBoundaryEnd(&ctx->GetStream(),&ms,boundary);
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auto& buff = ms.GetBuffer();
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ctx->queryParams.AddValue(cd1.fieldName, std::string(buff.begin(),buff.end()));
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return retVal;
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}
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else
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{
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auto strm = cb(ct, cd1.filename, cd1.fieldName);
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bool retVal = parseUntillBoundaryEnd(&ctx->GetStream(),strm,boundary);
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delete strm;
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return retVal;
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}
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}
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return false;
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}
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void ServerContext::ParseFormData(std::function<Tesses::Framework::Streams::Stream*(std::string mime, std::string filename, std::string name)> cb)
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{
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std::string ct;
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if(this->requestHeaders.TryGetFirst("Content-Type",ct))
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{
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if(ct.find("multipart/form-data") != 0)
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{
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std::cout << "Not form data" << std::endl;
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return;
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}
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auto res = ct.find("boundary=");
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if(res == std::string::npos) return;
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ct = "--" + ct.substr(res+9);
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}
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Stream nullStrm;
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parseUntillBoundaryEnd(this->strm,&nullStrm, ct);
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while(parseSection(this, ct, cb));
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}
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HttpServer::HttpServer(uint16_t port, IHttpServer* http, bool owns)
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{
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this->server = new TcpServer(port, 10);
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this->http = http;
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this->owns = owns;
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this->thrd=nullptr;
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this->port = port;
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}
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HttpServer::HttpServer(uint16_t port, IHttpServer& http) : HttpServer(port,&http,false)
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{
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}
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Stream* ServerContext::OpenResponseStream()
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{
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if(sent) return nullptr;
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int64_t length = -1;
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if(!this->responseHeaders.TryGetFirstInt("Content-Length",length))
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length = -1;
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if(this->version == "HTTP/1.1" && length == -1)
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this->responseHeaders.SetValue("Transfer-Encoding","chunked");
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this->WriteHeaders();
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return new HttpStream(this->strm,false,length,false,version == "HTTP/1.1");
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}
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Stream* ServerContext::OpenRequestStream()
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{
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int64_t length = -1;
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if(!this->requestHeaders.TryGetFirstInt("Content-Length",length))
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length = -1;
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return new HttpStream(this->strm,false,length,true,version == "HTTP/1.1");
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}
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void HttpServer::StartAccepting()
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{
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fflush(stdout);
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if(http == nullptr) return;
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auto svr=this->server;
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auto http = this->http;
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thrd = new Threading::Thread([svr,http]()->void {
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while(TF_IsRunning())
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{
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std::string ip;
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uint16_t port;
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auto sock =svr->GetStream(ip,port);
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if(sock == nullptr) return;
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Threading::Thread thrd2([sock,http,ip,port]()->void {
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HttpServer::Process(*sock,*http,ip,port,false);
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});
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thrd2.Detach();
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}
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});
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std::cout << "\e[34mInterfaces:\n";
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for(auto _ip : NetworkStream::GetIPs())
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{
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std::cout << "\e[32m";
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std::cout << _ip.first << ": ";
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std::cout << "\e[35mhttp://";
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std::cout << _ip.second << ":" << std::to_string(this->port) << "/\n";
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}
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std::cout << "\e[31mAlmost Ready to Listen\e[39m\n";
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}
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HttpServer::~HttpServer()
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{
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this->server->Close();
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TF_ConnectToSelf(this->port);
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if(this->thrd != nullptr)
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{
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this->thrd->Join();
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delete this->thrd;
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}
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if(this->owns)
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delete http;
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delete this->server;
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}
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IHttpServer::~IHttpServer()
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{
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}
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ServerContext::ServerContext(Stream* strm)
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{
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this->statusCode = OK;
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this->strm = strm;
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this->sent = false;
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this->responseHeaders.AddValue("Server","TessesFrameworkWebServer");
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}
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Stream& ServerContext::GetStream()
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{
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return *this->strm;
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}
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void ServerContext::SendBytes(std::vector<uint8_t> buff)
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{
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MemoryStream strm(false);
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strm.GetBuffer() = buff;
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SendStream(strm);
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}
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void ServerContext::SendText(std::string text)
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{
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MemoryStream strm(false);
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auto& buff= strm.GetBuffer();
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buff.insert(buff.end(),text.begin(),text.end());
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SendStream(strm);
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}
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void ServerContext::SendErrorPage(bool showPath)
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{
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if(sent) return;
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std::string errorHtml = showPath ? ("<html><head><title>File " + HttpUtils::HtmlEncode(this->originalPath) + " " + HttpUtils::StatusCodeString(this->statusCode) + "</title></head><body><h1>" + std::to_string((int)this->statusCode) + " " + HttpUtils::StatusCodeString(this->statusCode) + "</h1><h4>" + HttpUtils::HtmlEncode(this->originalPath) + "</h4></body></html>") : "";
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WithMimeType("text/html").SendText(errorHtml);
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}
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void ServerContext::SendStream(Stream* strm)
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{
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if(strm == nullptr) return;
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SendStream(*strm);
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}
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void ServerContext::SendStream(Stream& strm)
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{
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if(sent) return;
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if(strm.CanSeek())
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{
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int64_t len=strm.GetLength();
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std::string range={};
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if(this->requestHeaders.TryGetFirst("Range",range))
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{
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auto res = HttpUtils::SplitString(range,"=",2);
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if(res.size() == 2)
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{
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if(res[0] != "bytes")
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{
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this->statusCode = BadRequest;
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this->WriteHeaders();
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return;
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}
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res = HttpUtils::SplitString(res[1],", ",2);
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if(res.size() != 1)
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{
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this->statusCode = BadRequest;
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this->WriteHeaders();
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return;
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}
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auto dash=HttpUtils::SplitString(res[0],"-",2);
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int64_t begin = 0;
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int64_t end = -1;
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if(dash.size() == 1 && res[0].find_first_of('-') != std::string::npos)
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{
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//NUMBER-
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begin = std::stoll(dash[0]);
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}
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else if(dash.size() == 2)
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{
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//NUMBER-NUMBER
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//or
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//-NUMBER
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if(dash[0].size() > 0)
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{
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//NUMBER-NUMBER
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begin = std::stoll(dash[0]);
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end = std::stoll(dash[1]);
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}
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else
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{
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//-NUMBER
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end = std::stoll(dash[1]);
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}
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}
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else
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{
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this->statusCode = BadRequest;
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this->WriteHeaders();
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return;
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}
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if(end == -1)
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{
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end = len-1;
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}
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if(end > len-1)
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{
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this->statusCode = RangeNotSatisfiable;
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this->WithSingleHeader("Content-Range","bytes */" + std::to_string(len));
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this->WriteHeaders();
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return;
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}
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if(begin >= end) {
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this->statusCode = RangeNotSatisfiable;
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this->WithSingleHeader("Content-Range","bytes */" + std::to_string(len));
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this->WriteHeaders();
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return;
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}
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int64_t myLen = (end - begin)+1;
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this->WithSingleHeader("Accept-Ranges","bytes");
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this->WithSingleHeader("Content-Length",std::to_string(myLen));
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this->WithSingleHeader("Content-Range","bytes " + std::to_string(begin) + "-" + std::to_string(end) + "/" + std::to_string(len));
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this->statusCode = PartialContent;
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this->WriteHeaders();
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strm.Seek(begin,SeekOrigin::Begin);
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uint8_t buffer[1024];
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size_t read=0;
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do {
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read = sizeof(buffer);
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myLen = (end - begin)+1;
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if(myLen < read) read = (size_t)myLen;
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if(read == 0) break;
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read = strm.Read(buffer,read);
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if(read == 0) break;
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this->strm->WriteBlock(buffer,read);
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begin += read;
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} while(read > 0);
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}
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else
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{
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this->statusCode = BadRequest;
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this->SendErrorPage(true);
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return;
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}
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}
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else
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{
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if(len > -1)
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{
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this->WithSingleHeader("Accept-Range","bytes");
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this->WithSingleHeader("Content-Length",std::to_string(len));
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this->WriteHeaders();
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strm.CopyTo(*this->strm);
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}
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}
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}
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else
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{
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auto chunkedStream = this->OpenResponseStream();
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this->strm->CopyTo(chunkedStream);
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delete chunkedStream;
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}
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}
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ServerContext& ServerContext::WithHeader(std::string key, std::string value)
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{
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this->responseHeaders.AddValue(key, value);
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return *this;
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}
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ServerContext& ServerContext::WithSingleHeader(std::string key, std::string value)
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{
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this->responseHeaders.SetValue(key, value);
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return *this;
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}
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ServerContext& ServerContext::WithMimeType(std::string mime)
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{
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this->responseHeaders.SetValue("Content-Type",mime);
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return *this;
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}
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ServerContext& ServerContext::WithContentDisposition(std::string filename, bool isInline)
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{
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ContentDisposition cd;
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cd.type = isInline ? "inline" : "attachment";
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cd.filename = filename;
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//std::string cd;
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//cd = (isInline ? "inline; filename*=UTF-8''" : "attachment; filename*=UTF-8''") + HttpUtils::UrlPathEncode(filename);
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this->responseHeaders.SetValue("Content-Disposition",cd.ToString());
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return *this;
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}
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void ServerContext::SendNotFound()
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{
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if(sent) return;
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statusCode = StatusCode::NotFound;
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SendErrorPage(true);
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}
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void ServerContext::SendBadRequest()
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{
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if(sent) return;
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statusCode = StatusCode::BadRequest;
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SendErrorPage(false);
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}
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void ServerContext::SendException(std::exception& ex)
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{
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/*<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Internal Server Error at /</title>
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</head>
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<body>
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<h1>Internal Server Error at /</h1>
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<p>what(): std::exception</p>
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</body>
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</html>*/
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this->WithMimeType("text/html").SendText("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"> <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Internal Server Error at " + HttpUtils::HtmlEncode(this->originalPath) + "</title></head><body><h1>Internal Server Error at " + HttpUtils::HtmlEncode(this->originalPath) + "</h1><p>what(): " + HttpUtils::HtmlEncode(ex.what()) + "</p></body></html>");
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}
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ServerContext& ServerContext::WriteHeaders()
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{
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if(this->sent) return *this;
|
|
this->sent = true;
|
|
|
|
StreamWriter writer(this->strm,false);
|
|
writer.newline = "\r\n";
|
|
writer.WriteLine("HTTP/1.1 " + std::to_string((int)statusCode) + " " + HttpUtils::StatusCodeString(statusCode));
|
|
for(auto& hdr : responseHeaders.kvp)
|
|
{
|
|
auto& key = hdr.first;
|
|
for(auto& val : hdr.second)
|
|
{
|
|
writer.WriteLine(key + ": " + val);
|
|
}
|
|
}
|
|
writer.WriteLine();
|
|
|
|
return *this;
|
|
}
|
|
void HttpServer::Process(Stream& strm, IHttpServer& server, std::string ip, uint16_t port, bool encrypted)
|
|
{
|
|
|
|
while(true)
|
|
{
|
|
BufferedStream bStrm(strm);
|
|
StreamReader reader(bStrm);
|
|
ServerContext ctx(&bStrm);
|
|
ctx.ip = ip;
|
|
ctx.port = port;
|
|
ctx.encrypted = encrypted;
|
|
try{
|
|
bool firstLine = true;
|
|
std::string line;
|
|
while(reader.ReadLine(line))
|
|
{
|
|
if(firstLine)
|
|
{
|
|
auto v = HttpUtils::SplitString(line, " ", 3);
|
|
if(v.size() != 3) {
|
|
ctx.statusCode = BadRequest;
|
|
ctx.WithMimeType("text/plain").SendText("First line is not 3 elements");
|
|
return;
|
|
}
|
|
ctx.method = v[0];
|
|
auto pp = HttpUtils::SplitString(v[1],"?", 2);
|
|
pp.resize(2);
|
|
|
|
ctx.originalPath = pp[0];
|
|
ctx.path = ctx.originalPath;
|
|
|
|
auto queryPart = pp[1];
|
|
if(!queryPart.empty())
|
|
{
|
|
HttpUtils::QueryParamsDecode(ctx.queryParams, queryPart);
|
|
}
|
|
|
|
ctx.version = v[2];
|
|
|
|
}
|
|
else
|
|
{
|
|
auto v = HttpUtils::SplitString(line,": ", 2);
|
|
if(v.size() != 2) {
|
|
ctx.statusCode = BadRequest;
|
|
ctx.WithMimeType("text/plain").SendText("Header line is not 2 elements");
|
|
return;
|
|
}
|
|
|
|
ctx.requestHeaders.AddValue(v[0],v[1]);
|
|
|
|
}
|
|
line.clear();
|
|
firstLine=false;
|
|
}
|
|
|
|
if(firstLine) return;
|
|
|
|
std::string type;
|
|
int64_t length;
|
|
|
|
if(ctx.requestHeaders.TryGetFirst("Content-Type",type) && type == "application/x-www-form-urlencoded" && ctx.requestHeaders.TryGetFirstInt("Content-Length",length))
|
|
{
|
|
size_t len = (size_t)length;
|
|
uint8_t* buffer = new uint8_t[len];
|
|
len = bStrm.ReadBlock(buffer,len);
|
|
std::string query((const char*)buffer,len);
|
|
delete buffer;
|
|
HttpUtils::QueryParamsDecode(ctx.queryParams, query);
|
|
}
|
|
|
|
if(!server.Handle(ctx))
|
|
{
|
|
ctx.SendNotFound();
|
|
}
|
|
}
|
|
catch(std::exception& ex)
|
|
{
|
|
ctx.SendException(ex);
|
|
}
|
|
|
|
if(ctx.version != "HTTP/1.1" ) return;
|
|
|
|
std::string connection;
|
|
if(ctx.requestHeaders.TryGetFirst("Connection", connection))
|
|
{
|
|
if(connection != "keep-alive") return;
|
|
}
|
|
|
|
if(ctx.responseHeaders.TryGetFirst("Connection", connection))
|
|
{
|
|
if(connection != "keep-alive") return;
|
|
}
|
|
|
|
if(bStrm.EndOfStream()) return;
|
|
}
|
|
}
|
|
} |