#include <Fields.h>

Collaboration diagram for web::http::decoder::Fields:

Public Member Functions
	Fields (core::socket::stream::SocketContext *socketContext, std::set< std::string > fieldsExpected={})

	Fields (Fields &)=delete

	Fields (Fields &&)=delete

Fields &	operator= (Fields &)=delete

Fields &	operator= (Fields &&)=delete

void	setFieldsExpected (std::set< std::string > fieldsExpected)

std::size_t	read ()

web::http::CiStringMap< std::string > &&	getHeader ()

bool	isComplete () const

bool	isError () const

int	getErrorCode () const

std::string	getErrorReason ()

Private Member Functions
void	splitLine (const std::string &line)

Private Attributes
core::socket::stream::SocketContext *	socketContext

web::http::CiStringMap< std::string >	fields

std::set< std::string >	fieldsExpected

std::string	line

std::size_t	maxLineLength

bool	completed = false

int	errorCode = 0

std::string	errorReason

char	lastButOne = '\0'

char	last = '\0'

Detailed Description

Definition at line 39 of file Fields.h.

Constructor & Destructor Documentation

◆ Fields() [1/3]

web::http::decoder::Fields::Fields	(	core::socket::stream::SocketContext *	socketContext,
		std::set< std::string >	fieldsExpected = {} )

explicit

Definition at line 38 of file Fields.cpp.

        : socketContext(socketContext)
        , fieldsExpected(std::move(fieldsExpected))
        , maxLineLength(MAX_LINE_LENGTH) {
    }

References Fields(), maxLineLength, and socketContext.

Referenced by Fields().

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◆ Fields() [2/3]

web::http::decoder::Fields::Fields ( Fields & )

delete

◆ Fields() [3/3]

web::http::decoder::Fields::Fields ( Fields && )

delete

Member Function Documentation

◆ getErrorCode()

int web::http::decoder::Fields::getErrorCode ( ) const

Definition at line 149 of file Fields.cpp.

                                   {
        return errorCode;
    }

References errorCode.

◆ getErrorReason()

std::string web::http::decoder::Fields::getErrorReason ( )

Definition at line 153 of file Fields.cpp.

                                     {
        return errorReason;
    }

References errorReason.

◆ getHeader()

web::http::CiStringMap< std::string > && web::http::decoder::Fields::getHeader ( )

Definition at line 137 of file Fields.cpp.

                                                      {
        return std::move(fields);
    }

◆ isComplete()

bool web::http::decoder::Fields::isComplete ( ) const

Definition at line 141 of file Fields.cpp.

                                  {
        return completed;
    }

References completed.

◆ isError()

bool web::http::decoder::Fields::isError ( ) const

Definition at line 145 of file Fields.cpp.

                               {
        return errorCode != 0;
    }

References errorCode.

◆ operator=() [1/2]

Fields & web::http::decoder::Fields::operator= ( Fields && )

delete

◆ operator=() [2/2]

Fields & web::http::decoder::Fields::operator= ( Fields & )

delete

◆ read()

std::size_t web::http::decoder::Fields::read ( )

Definition at line 48 of file Fields.cpp.

                           {
        std::size_t consumed = 0;
 
        if (completed || errorCode != 0) {
            completed = false;
            fields.clear();
            errorCode = 0;
            errorReason = "";
        }
 
        std::size_t ret = 0;
        do {
            char ch = '\0';
 
            ret = socketContext->readFromPeer(&ch, 1);
            consumed += ret;
 
            if (ret > 0) {
                if (!line.empty() || ch != ' ') {
                    line += ch;
 
                    if (maxLineLength == 0 || line.size() <= maxLineLength) {
                        lastButOne = last;
                        last = ch;
 
                        if (lastButOne == '\r' && last == '\n') {
                            line.pop_back(); // Remove \n
                            line.pop_back(); // Remove \r
 
                            completed = line.empty();
                            if (!completed) {
                                splitLine(line);
 
                                if (!fieldsExpected.empty() && fields.size() > fieldsExpected.size()) {
                                    errorCode = 400;
                                    errorReason = "Too many fields";
                                }
                            } else if (!fieldsExpected.empty() && fields.size() < fieldsExpected.size()) {
                                errorCode = 400;
                                errorReason = "Too view fields";
 
                                completed = false;
                            }
                            line.clear();
                            lastButOne = '\0';
                            last = '\0';
                        }
                    } else {
                        errorCode = 431;
                        errorReason = "Line too long: " + line;
                    }
                } else {
                    errorCode = 400;
                    errorReason = "Header Folding";
                }
            }
        } while (ret > 0 && !completed && errorCode == 0);
 
        return consumed;
    }

References completed, errorCode, errorReason, last, lastButOne, line, maxLineLength, core::socket::stream::SocketContext::readFromPeer(), socketContext, and splitLine().

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◆ setFieldsExpected()

void web::http::decoder::Fields::setFieldsExpected ( std::set< std::string > fieldsExpected )

Definition at line 44 of file Fields.cpp.

                                                                   {
        this->fieldsExpected = std::move(fieldsExpected);
    }

◆ splitLine()

void web::http::decoder::Fields::splitLine ( const std::string & line )

private

Definition at line 109 of file Fields.cpp.

                                                {
        auto [headerFieldName, value] = httputils::str_split(line, ':');
 
        if (headerFieldName.empty()) {
            errorCode = 400;
            errorReason = "Header field empty";
        } else if ((std::isblank(headerFieldName.back()) != 0) || (std::isblank(headerFieldName.front()) != 0)) {
            errorCode = 400;
            errorReason = "White space before or after field";
        } else if (value.empty()) {
            errorCode = 400;
            errorReason = "Value of field \"" + headerFieldName + "\" empty";
        } else {
            if (fieldsExpected.empty() || fieldsExpected.contains(headerFieldName)) {
                httputils::str_trimm(value);
 
                if (!fields.contains(headerFieldName)) {
                    fields.emplace(headerFieldName, value);
                } else {
                    fields[headerFieldName] += "," + value;
                }
            } else if (!fieldsExpected.empty() && !fieldsExpected.contains(headerFieldName)) {
                errorCode = 400;
                errorReason = "Field '" + headerFieldName + "' not in expected fields";
            }
        }
    }

References errorCode, and errorReason.

Referenced by read().

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Member Data Documentation

◆ completed

bool web::http::decoder::Fields::completed = false

private

Definition at line 71 of file Fields.h.

Referenced by isComplete(), and read().

◆ errorCode

int web::http::decoder::Fields::errorCode = 0

private

Definition at line 72 of file Fields.h.

Referenced by getErrorCode(), isError(), read(), and splitLine().

◆ errorReason

std::string web::http::decoder::Fields::errorReason

private

Definition at line 73 of file Fields.h.

Referenced by getErrorReason(), read(), and splitLine().

◆ fields

web::http::CiStringMap<std::string> web::http::decoder::Fields::fields

private

Definition at line 65 of file Fields.h.

◆ fieldsExpected

std::set<std::string> web::http::decoder::Fields::fieldsExpected

private

Definition at line 66 of file Fields.h.

◆ last

char web::http::decoder::Fields::last = '\0'

private

Definition at line 76 of file Fields.h.

Referenced by read().

◆ lastButOne

char web::http::decoder::Fields::lastButOne = '\0'

private

Definition at line 75 of file Fields.h.

Referenced by read().

◆ line

std::string web::http::decoder::Fields::line

private

Definition at line 68 of file Fields.h.

Referenced by read().

◆ maxLineLength

std::size_t web::http::decoder::Fields::maxLineLength

private

Definition at line 69 of file Fields.h.

Referenced by Fields(), and read().

◆ socketContext

core::socket::stream::SocketContext* web::http::decoder::Fields::socketContext

private

Definition at line 63 of file Fields.h.

Referenced by Fields(), and read().

The documentation for this class was generated from the following files:

web/http/decoder/Fields.h
web/http/decoder/Fields.cpp

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Fields() [1/3]

◆ Fields() [2/3]

◆ Fields() [3/3]

Member Function Documentation

◆ getErrorCode()

◆ getErrorReason()

◆ getHeader()

◆ isComplete()

◆ isError()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ read()

◆ setFieldsExpected()

◆ splitLine()

Member Data Documentation

◆ completed

◆ errorCode

◆ errorReason

◆ fields

◆ fieldsExpected

◆ last

◆ lastButOne

◆ line

◆ maxLineLength

◆ socketContext