13144a08e4
* Avoid inefficient AString -> c_str() -> AString round trip * Avoid redundant string init expressions * Avoid unnecessary return, continue, etc. * Add .clang-format to help with clang-tidy fix-its * Avoid unnecessary passing by value * Avoid unnecessary local copying * Avoid copying in range-for loops * Avoid over-complicated boolean expressions * Some violations missed by my local clang-tidy * Allow unnecessary continue statements * Add brackets * Another expression missed locally * Move BindingsProcessor call into clang-tidy.sh and add space * Fix pushd not found error * Different grouping of CheckBlockInteractionRate
162 lines
4.2 KiB
C++
162 lines
4.2 KiB
C++
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// HTTPMessage.h
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// Declares the cHTTPMessage class representing the common ancestor for HTTP request and response classes
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#pragma once
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class cHTTPMessage
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{
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public:
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enum eStatus
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{
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HTTP_OK = 200,
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HTTP_BAD_REQUEST = 400,
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} ;
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enum eKind
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{
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mkRequest,
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mkResponse,
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} ;
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cHTTPMessage(eKind a_Kind);
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// Force a virtual destructor in all descendants
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virtual ~cHTTPMessage() {}
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/** Adds a header into the internal map of headers. Recognizes special headers: Content-Type and Content-Length */
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virtual void AddHeader(const AString & a_Key, const AString & a_Value);
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void SetContentType (const AString & a_ContentType) { m_ContentType = a_ContentType; }
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void SetContentLength(size_t a_ContentLength) { m_ContentLength = a_ContentLength; }
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const AString & GetContentType (void) const { return m_ContentType; }
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size_t GetContentLength(void) const { return m_ContentLength; }
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protected:
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using cNameValueMap = std::map<AString, AString>;
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eKind m_Kind;
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/** Map of headers, with their keys lowercased. */
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AStringMap m_Headers;
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/** Type of the content; parsed by AddHeader(), set directly by SetContentLength() */
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AString m_ContentType;
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/** Length of the content that is to be received.
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AString::npos when the object is created.
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Parsed by AddHeader() or set directly by SetContentLength() */
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size_t m_ContentLength;
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} ;
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/** Stores outgoing response headers and serializes them to an HTTP data stream. */
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class cHTTPOutgoingResponse:
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public cHTTPMessage
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{
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using Super = cHTTPMessage;
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public:
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cHTTPOutgoingResponse(void);
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/** Appends the response to the specified datastream - response line and headers.
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The body will be sent later directly through cConnection::Send() */
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void AppendToData(AString & a_DataStream) const;
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} ;
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/** Provides storage for an incoming HTTP request. */
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class cHTTPIncomingRequest:
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public cHTTPMessage
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{
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using Super = cHTTPMessage;
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public:
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/** Base class for anything that can be used as the UserData for the request. */
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class cUserData
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{
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public:
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// Force a virtual destructor in descendants:
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virtual ~cUserData() {}
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};
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using cUserDataPtr = std::shared_ptr<cUserData>;
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/** Creates a new instance of the class, containing the method and URL provided by the client. */
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cHTTPIncomingRequest(const AString & a_Method, const AString & a_URL);
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/** Returns the method used in the request */
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const AString & GetMethod(void) const { return m_Method; }
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/** Returns the URL used in the request */
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const AString & GetURL(void) const { return m_URL; }
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/** Returns the path part of the URL. */
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AString GetURLPath(void) const;
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/** Returns true if the request has had the Auth header present. */
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bool HasAuth(void) const { return m_HasAuth; }
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/** Returns the username that the request presented. Only valid if HasAuth() is true */
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const AString & GetAuthUsername(void) const { return m_AuthUsername; }
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/** Returns the password that the request presented. Only valid if HasAuth() is true */
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const AString & GetAuthPassword(void) const { return m_AuthPassword; }
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bool DoesAllowKeepAlive(void) const { return m_AllowKeepAlive; }
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/** Attaches any kind of data to this request, to be later retrieved by GetUserData(). */
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void SetUserData(cUserDataPtr a_UserData) { m_UserData = std::move(a_UserData); }
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/** Returns the data attached to this request by the class client. */
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cUserDataPtr GetUserData(void) { return m_UserData; }
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/** Adds the specified header into the internal list of headers.
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Overrides the parent to add recognizing additional headers: auth and keepalive. */
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virtual void AddHeader(const AString & a_Key, const AString & a_Value) override;
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protected:
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/** Method of the request (GET / PUT / POST / ...) */
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AString m_Method;
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/** Full URL of the request */
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AString m_URL;
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/** Set to true if the request contains auth data that was understood by the parser */
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bool m_HasAuth;
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/** The username used for auth */
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AString m_AuthUsername;
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/** The password used for auth */
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AString m_AuthPassword;
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/** Set to true if the request indicated that it supports keepalives.
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If false, the server will close the connection once the request is finished */
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bool m_AllowKeepAlive;
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/** Any data attached to the request by the class client. */
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cUserDataPtr m_UserData;
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};
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