mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 08:32:02 +00:00
418 lines
14 KiB
C++
418 lines
14 KiB
C++
//
|
|
// URI.h
|
|
//
|
|
// Library: Foundation
|
|
// Package: URI
|
|
// Module: URI
|
|
//
|
|
// Definition of the URI class.
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef Foundation_URI_INCLUDED
|
|
#define Foundation_URI_INCLUDED
|
|
|
|
|
|
#include <utility>
|
|
#include <vector>
|
|
#include "Poco/Foundation.h"
|
|
|
|
|
|
namespace Poco
|
|
{
|
|
|
|
|
|
class Path;
|
|
|
|
|
|
class Foundation_API URI
|
|
/// A Uniform Resource Identifier, as specified in RFC 3986.
|
|
///
|
|
/// The URI class provides methods for building URIs from their
|
|
/// parts, as well as for splitting URIs into their parts.
|
|
/// Furthermore, the class provides methods for resolving
|
|
/// relative URIs against base URIs.
|
|
///
|
|
/// The class automatically performs a few normalizations on
|
|
/// all URIs and URI parts passed to it:
|
|
/// * scheme identifiers are converted to lower case
|
|
/// * percent-encoded characters are decoded (except for the query string)
|
|
/// * optionally, dot segments are removed from paths (see normalize())
|
|
///
|
|
/// Note that dealing with query strings requires some precautions, as, internally,
|
|
/// query strings are stored in percent-encoded form, while all other parts of the URI
|
|
/// are stored in decoded form. While parsing query strings from properly encoded URLs
|
|
/// generally works, explicitly setting query strings with setQuery() or extracting
|
|
/// query strings with getQuery() may lead to ambiguities. See the descriptions of
|
|
/// setQuery(), setRawQuery(), getQuery() and getRawQuery() for more information.
|
|
{
|
|
public:
|
|
typedef std::vector<std::pair<std::string, std::string>> QueryParameters;
|
|
|
|
URI();
|
|
/// Creates an empty URI.
|
|
|
|
explicit URI(const std::string & uri, bool enable_url_encoding = true);
|
|
/// Parses an URI from the given string. Throws a
|
|
/// SyntaxException if the uri is not valid.
|
|
|
|
explicit URI(const char * uri);
|
|
/// Parses an URI from the given string. Throws a
|
|
/// SyntaxException if the uri is not valid.
|
|
|
|
URI(const std::string & scheme, const std::string & pathEtc);
|
|
/// Creates an URI from its parts.
|
|
|
|
URI(const std::string & scheme, const std::string & authority, const std::string & pathEtc);
|
|
/// Creates an URI from its parts.
|
|
|
|
URI(const std::string & scheme, const std::string & authority, const std::string & path, const std::string & query);
|
|
/// Creates an URI from its parts.
|
|
|
|
URI(const std::string & scheme,
|
|
const std::string & authority,
|
|
const std::string & path,
|
|
const std::string & query,
|
|
const std::string & fragment);
|
|
/// Creates an URI from its parts.
|
|
|
|
URI(const URI & uri);
|
|
/// Copy constructor. Creates an URI from another one.
|
|
|
|
URI(const URI & baseURI, const std::string & relativeURI);
|
|
/// Creates an URI from a base URI and a relative URI, according to
|
|
/// the algorithm in section 5.2 of RFC 3986.
|
|
|
|
explicit URI(const Path & path);
|
|
/// Creates a URI from a path.
|
|
///
|
|
/// The path will be made absolute, and a file:// URI
|
|
/// will be built from it.
|
|
|
|
~URI();
|
|
/// Destroys the URI.
|
|
|
|
URI & operator=(const URI & uri);
|
|
/// Assignment operator.
|
|
|
|
URI & operator=(const std::string & uri);
|
|
/// Parses and assigns an URI from the given string. Throws a
|
|
/// SyntaxException if the uri is not valid.
|
|
|
|
URI & operator=(const char * uri);
|
|
/// Parses and assigns an URI from the given string. Throws a
|
|
/// SyntaxException if the uri is not valid.
|
|
|
|
void swap(URI & uri);
|
|
/// Swaps the URI with another one.
|
|
|
|
void clear();
|
|
/// Clears all parts of the URI.
|
|
|
|
std::string toString() const;
|
|
/// Returns a string representation of the URI.
|
|
///
|
|
/// Characters in the path, query and fragment parts will be
|
|
/// percent-encoded as necessary.
|
|
|
|
const std::string & getScheme() const;
|
|
/// Returns the scheme part of the URI.
|
|
|
|
void setScheme(const std::string & scheme);
|
|
/// Sets the scheme part of the URI. The given scheme
|
|
/// is converted to lower-case.
|
|
///
|
|
/// A list of registered URI schemes can be found
|
|
/// at <http://www.iana.org/assignments/uri-schemes>.
|
|
|
|
const std::string & getUserInfo() const;
|
|
/// Returns the user-info part of the URI.
|
|
|
|
void setUserInfo(const std::string & userInfo);
|
|
/// Sets the user-info part of the URI.
|
|
|
|
const std::string & getHost() const;
|
|
/// Returns the host part of the URI.
|
|
|
|
void setHost(const std::string & host);
|
|
/// Sets the host part of the URI.
|
|
|
|
unsigned short getPort() const;
|
|
/// Returns the port number part of the URI.
|
|
///
|
|
/// If no port number (0) has been specified, the
|
|
/// well-known port number (e.g., 80 for http) for
|
|
/// the given scheme is returned if it is known.
|
|
/// Otherwise, 0 is returned.
|
|
|
|
void setPort(unsigned short port);
|
|
/// Sets the port number part of the URI.
|
|
|
|
std::string getAuthority() const;
|
|
/// Returns the authority part (userInfo, host and port)
|
|
/// of the URI.
|
|
///
|
|
/// If the port number is a well-known port
|
|
/// number for the given scheme (e.g., 80 for http), it
|
|
/// is not included in the authority.
|
|
|
|
void setAuthority(const std::string & authority);
|
|
/// Parses the given authority part for the URI and sets
|
|
/// the user-info, host, port components accordingly.
|
|
|
|
const std::string & getPath() const;
|
|
/// Returns the decoded path part of the URI.
|
|
|
|
void setPath(const std::string & path);
|
|
/// Sets the path part of the URI.
|
|
|
|
std::string getQuery() const;
|
|
/// Returns the decoded query part of the URI.
|
|
///
|
|
/// Note that encoded ampersand characters ('&', "%26")
|
|
/// will be decoded, which could cause ambiguities if the query
|
|
/// string contains multiple parameters and a parameter name
|
|
/// or value contains an ampersand as well.
|
|
/// In such a case it's better to use getRawQuery() or
|
|
/// getQueryParameters().
|
|
|
|
void setQuery(const std::string & query);
|
|
/// Sets the query part of the URI.
|
|
///
|
|
/// The query string will be percent-encoded. If the query
|
|
/// already contains percent-encoded characters, these
|
|
/// will be double-encoded, which is probably not what's
|
|
/// intended by the caller. Furthermore, ampersand ('&')
|
|
/// characters in the query will not be encoded. This could
|
|
/// lead to ambiguity issues if the query string contains multiple
|
|
/// name-value parameters separated by ampersand, and if any
|
|
/// name or value also contains an ampersand. In such a
|
|
/// case, it's better to use setRawQuery() with a properly
|
|
/// percent-encoded query string, or use addQueryParameter()
|
|
/// or setQueryParameters(), which take care of appropriate
|
|
/// percent encoding of parameter names and values.
|
|
|
|
void addQueryParameter(const std::string & param, const std::string & val = "");
|
|
/// Adds "param=val" to the query; "param" may not be empty.
|
|
/// If val is empty, only '=' is appended to the parameter.
|
|
///
|
|
/// In addition to regular encoding, function also encodes '&' and '=',
|
|
/// if found in param or val.
|
|
|
|
const std::string & getRawQuery() const;
|
|
/// Returns the query string in raw form, which usually
|
|
/// means percent encoded.
|
|
|
|
void setRawQuery(const std::string & query);
|
|
/// Sets the query part of the URI.
|
|
///
|
|
/// The given query string must be properly percent-encoded.
|
|
|
|
QueryParameters getQueryParameters() const;
|
|
/// Returns the decoded query string parameters as a vector
|
|
/// of name-value pairs.
|
|
|
|
void setQueryParameters(const QueryParameters & params);
|
|
/// Sets the query part of the URI from a vector
|
|
/// of query parameters.
|
|
///
|
|
/// Calls addQueryParameter() for each parameter name and value.
|
|
|
|
const std::string & getFragment() const;
|
|
/// Returns the fragment part of the URI.
|
|
|
|
void setFragment(const std::string & fragment);
|
|
/// Sets the fragment part of the URI.
|
|
|
|
void setPathEtc(const std::string & pathEtc);
|
|
/// Sets the path, query and fragment parts of the URI.
|
|
|
|
std::string getPathEtc() const;
|
|
/// Returns the encoded path, query and fragment parts of the URI.
|
|
|
|
std::string getPathAndQuery() const;
|
|
/// Returns the encoded path and query parts of the URI.
|
|
|
|
void resolve(const std::string & relativeURI);
|
|
/// Resolves the given relative URI against the base URI.
|
|
/// See section 5.2 of RFC 3986 for the algorithm used.
|
|
|
|
void resolve(const URI & relativeURI);
|
|
/// Resolves the given relative URI against the base URI.
|
|
/// See section 5.2 of RFC 3986 for the algorithm used.
|
|
|
|
bool isRelative() const;
|
|
/// Returns true if the URI is a relative reference, false otherwise.
|
|
///
|
|
/// A relative reference does not contain a scheme identifier.
|
|
/// Relative references are usually resolved against an absolute
|
|
/// base reference.
|
|
|
|
bool empty() const;
|
|
/// Returns true if the URI is empty, false otherwise.
|
|
|
|
bool operator==(const URI & uri) const;
|
|
/// Returns true if both URIs are identical, false otherwise.
|
|
///
|
|
/// Two URIs are identical if their scheme, authority,
|
|
/// path, query and fragment part are identical.
|
|
|
|
bool operator==(const std::string & uri) const;
|
|
/// Parses the given URI and returns true if both URIs are identical,
|
|
/// false otherwise.
|
|
|
|
bool operator!=(const URI & uri) const;
|
|
/// Returns true if both URIs are identical, false otherwise.
|
|
|
|
bool operator!=(const std::string & uri) const;
|
|
/// Parses the given URI and returns true if both URIs are identical,
|
|
/// false otherwise.
|
|
|
|
void normalize();
|
|
/// Normalizes the URI by removing all but leading . and .. segments from the path.
|
|
///
|
|
/// If the first path segment in a relative path contains a colon (:),
|
|
/// such as in a Windows path containing a drive letter, a dot segment (./)
|
|
/// is prepended in accordance with section 3.3 of RFC 3986.
|
|
|
|
void getPathSegments(std::vector<std::string> & segments);
|
|
/// Places the single path segments (delimited by slashes) into the
|
|
/// given vector.
|
|
|
|
static void encode(const std::string & str, const std::string & reserved, std::string & encodedStr);
|
|
/// URI-encodes the given string by escaping reserved and non-ASCII
|
|
/// characters. The encoded string is appended to encodedStr.
|
|
|
|
static void decode(const std::string & str, std::string & decodedStr, bool plusAsSpace = false);
|
|
/// URI-decodes the given string by replacing percent-encoded
|
|
/// characters with the actual character. The decoded string
|
|
/// is appended to decodedStr.
|
|
///
|
|
/// When plusAsSpace is true, non-encoded plus signs in the query are decoded as spaces.
|
|
/// (http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.1)
|
|
|
|
protected:
|
|
bool equals(const URI & uri) const;
|
|
/// Returns true if both uri's are equivalent.
|
|
|
|
bool isWellKnownPort() const;
|
|
/// Returns true if the URI's port number is a well-known one
|
|
/// (for example, 80, if the scheme is http).
|
|
|
|
unsigned short getWellKnownPort() const;
|
|
/// Returns the well-known port number for the URI's scheme,
|
|
/// or 0 if the port number is not known.
|
|
|
|
void parse(const std::string & uri);
|
|
/// Parses and assigns an URI from the given string. Throws a
|
|
/// SyntaxException if the uri is not valid.
|
|
|
|
void parseAuthority(std::string::const_iterator & it, const std::string::const_iterator & end);
|
|
/// Parses and sets the user-info, host and port from the given data.
|
|
|
|
void parseHostAndPort(std::string::const_iterator & it, const std::string::const_iterator & end);
|
|
/// Parses and sets the host and port from the given data.
|
|
|
|
void parsePath(std::string::const_iterator & it, const std::string::const_iterator & end);
|
|
/// Parses and sets the path from the given data.
|
|
|
|
void parsePathEtc(std::string::const_iterator & it, const std::string::const_iterator & end);
|
|
/// Parses and sets the path, query and fragment from the given data.
|
|
|
|
void parseQuery(std::string::const_iterator & it, const std::string::const_iterator & end);
|
|
/// Parses and sets the query from the given data.
|
|
|
|
void parseFragment(std::string::const_iterator & it, const std::string::const_iterator & end);
|
|
/// Parses and sets the fragment from the given data.
|
|
|
|
void mergePath(const std::string & path);
|
|
/// Appends a path to the URI's path.
|
|
|
|
void removeDotSegments(bool removeLeading = true);
|
|
/// Removes all dot segments from the path.
|
|
|
|
static void getPathSegments(const std::string & path, std::vector<std::string> & segments);
|
|
/// Places the single path segments (delimited by slashes) into the
|
|
/// given vector.
|
|
|
|
void buildPath(const std::vector<std::string> & segments, bool leadingSlash, bool trailingSlash);
|
|
/// Builds the path from the given segments.
|
|
|
|
static const std::string RESERVED_PATH;
|
|
static const std::string RESERVED_QUERY;
|
|
static const std::string RESERVED_QUERY_PARAM;
|
|
static const std::string RESERVED_FRAGMENT;
|
|
static const std::string ILLEGAL;
|
|
|
|
private:
|
|
void encodePath(std::string & encodedStr) const;
|
|
void decodePath(const std::string & encodedStr);
|
|
|
|
|
|
std::string _scheme;
|
|
std::string _userInfo;
|
|
std::string _host;
|
|
unsigned short _port;
|
|
std::string _path;
|
|
std::string _query;
|
|
std::string _fragment;
|
|
|
|
bool _enable_url_encoding = true;
|
|
};
|
|
|
|
|
|
//
|
|
// inlines
|
|
//
|
|
inline const std::string & URI::getScheme() const
|
|
{
|
|
return _scheme;
|
|
}
|
|
|
|
|
|
inline const std::string & URI::getUserInfo() const
|
|
{
|
|
return _userInfo;
|
|
}
|
|
|
|
|
|
inline const std::string & URI::getHost() const
|
|
{
|
|
return _host;
|
|
}
|
|
|
|
|
|
inline const std::string & URI::getPath() const
|
|
{
|
|
return _path;
|
|
}
|
|
|
|
|
|
inline const std::string & URI::getRawQuery() const
|
|
{
|
|
return _query;
|
|
}
|
|
|
|
|
|
inline const std::string & URI::getFragment() const
|
|
{
|
|
return _fragment;
|
|
}
|
|
|
|
|
|
inline void swap(URI & u1, URI & u2)
|
|
{
|
|
u1.swap(u2);
|
|
}
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
#endif // Foundation_URI_INCLUDED
|