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/**
* @file lluri.h
* @author Phoenix
* @date 2006-02-05
* @brief Declaration of the URI class.
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* Copyright (c) 2006-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLURI_H
#define LL_LLURI_H
#include <string>
class LLSD;
class LLUUID;
class LLApp;
/**
*
* LLURI instances are immutable
* See: http://www.ietf.org/rfc/rfc3986.txt
*
*/
class LLURI
{
public:
LLURI();
LLURI(const std::string& escaped_str);
LLURI(const std::string& scheme,
const std::string& userName,
const std::string& password,
const std::string& hostName,
U16 hostPort,
const std::string& escapedPath,
const std::string& escapedQuery);
// construct from escaped string, as would be transmitted on the net
~LLURI();
static LLURI buildHTTP(
const std::string& prefix,
const LLSD& path);
static LLURI buildHTTP(
const std::string& prefix,
const LLSD& path,
const LLSD& query);
///< prefix is either a full URL prefix of the form
/// "http://example.com:8080", or it can be simply a host and
/// optional port like "example.com" or "example.com:8080", in
/// these cases, the "http://" will be added
static LLURI buildHTTP(
const std::string& host,
const U32& port,
const LLSD& path);
static LLURI buildHTTP(
const std::string& host,
const U32& port,
const LLSD& path,
const LLSD& query);
std::string asString() const;
///< the whole URI, escaped as needed
/** @name Parts of a URI */
//@{
// These functions return parts of the decoded URI. The returned
// strings are un-escaped as needed
// for all schemes
std::string scheme() const; ///< ex.: "http", note lack of colon
std::string opaque() const; ///< everything after the colon
// for schemes that follow path like syntax (http, https, ftp)
std::string authority() const; // ex.: "host.com:80"
std::string hostName() const; // ex.: "host.com"
std::string userName() const;
std::string password() const;
U16 hostPort() const; // ex.: 80, will include implicit port
BOOL defaultPort() const; // true if port is default for scheme
const std::string& escapedPath() const { return mEscapedPath; }
std::string path() const; // ex.: "/abc/def", includes leading slash
LLSD pathArray() const; // above decoded into an array of strings
std::string query() const; // ex.: "x=34", section after "?"
const std::string& escapedQuery() const { return mEscapedQuery; }
LLSD queryMap() const; // above decoded into a map
static LLSD queryMap(std::string escaped_query_string);
/**
* @brief given a name value map, return a serialized query string.
*
* @param query_map a map of name value. every value must be
* representable as a string.
* @return Returns an url query string of '?n1=v1&n2=v2&...'
*/
static std::string mapToQueryString(const LLSD& query_map);
/** @name Escaping Utilities */
//@{
/**
* @brief Escape a raw url with a reasonable set of allowed characters.
*
* The default set was chosen to match HTTP urls and general
* guidelines for naming resources. Passing in a raw url does not
* produce well defined results because you really need to know
* which segments are path parts because path parts are supposed
* to be escaped individually. The default set chosen is:
*
* ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
* 0123456789
* -._~
* :@!$'()*+,=/?&#;
*
* *NOTE: This API is basically broken because it does not
* allow you to specify significant path characters. For example,
* if the filename actually contained a /, then you cannot use
* this function to generate the serialized url for that
* resource.
*
* @param str The raw URI to escape.
* @return Returns the escaped uri or an empty string.
*/
static std::string escape(const std::string& str);
/**
* @brief Escape a string with a specified set of allowed characters.
*
* Escape a string by urlencoding all the characters that aren't
* in the allowed string.
* @param str The raw URI to escape.
* @param allowed Character array of allowed characters
* @param is_allowed_sorted Optimization hint if allowed array is sorted.
* @return Returns the escaped uri or an empty string.
*/
static std::string escape(
const std::string& str,
const std::string& allowed,
bool is_allowed_sorted = false);
/**
* @brief unescape an escaped URI string.
*
* @param str The escped URI to unescape.
* @return Returns the unescaped uri or an empty string.
*/
static std::string unescape(const std::string& str);
//@}
private:
// only "http", "https", "ftp", and "secondlife" schemes are parsed
// secondlife scheme parses authority as "" and includes it as part of
// the path. See lluri_tut.cpp
// i.e. secondlife://app/login has mAuthority = "" and mPath = "/app/login"
void parseAuthorityAndPathUsingOpaque();
std::string mScheme;
std::string mEscapedOpaque;
std::string mEscapedAuthority;
std::string mEscapedPath;
std::string mEscapedQuery;
};
#endif // LL_LLURI_H
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