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winhttp: Implement WinHttpCreateUrl.

This commit is contained in:
Hans Leidekker 2008-09-23 13:32:26 +02:00 committed by Alexandre Julliard
parent e511474d47
commit bba66c99b6
4 changed files with 337 additions and 39 deletions
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3
dlls/winhttp/Makefile.in
View File

@ -13,7 +13,8 @@ C_SRCS = \
main.c \
net.c \
request.c \
session.c
session.c \
url.c
RC_SRCS = \
version.rc

38
dlls/winhttp/main.c
View File

@ -84,41 +84,3 @@ HRESULT WINAPI DllUnregisterServer(void)
FIXME("()\n");
return S_OK;
}
#define SCHEME_HTTP 3
#define SCHEME_HTTPS 4
BOOL WINAPI InternetCrackUrlW( LPCWSTR, DWORD, DWORD, LPURL_COMPONENTSW );
BOOL WINAPI InternetCreateUrlW( LPURL_COMPONENTS, DWORD, LPWSTR, LPDWORD );
/***********************************************************************
* WinHttpCrackUrl (winhttp.@)
*/
BOOL WINAPI WinHttpCrackUrl( LPCWSTR url, DWORD len, DWORD flags, LPURL_COMPONENTSW components )
{
BOOL ret;
TRACE("%s, %d, %x, %p\n", debugstr_w(url), len, flags, components);
if ((ret = InternetCrackUrlW( url, len, flags, components )))
{
/* fix up an incompatibility between wininet and winhttp */
if (components->nScheme == SCHEME_HTTP) components->nScheme = INTERNET_SCHEME_HTTP;
else if (components->nScheme == SCHEME_HTTPS) components->nScheme = INTERNET_SCHEME_HTTPS;
else
{
set_last_error( ERROR_WINHTTP_UNRECOGNIZED_SCHEME );
return FALSE;
}
}
return ret;
}
/***********************************************************************
* WinHttpCreateUrl (winhttp.@)
*/
BOOL WINAPI WinHttpCreateUrl( LPURL_COMPONENTS comps, DWORD flags, LPWSTR url, LPDWORD len )
{
TRACE("%p, 0x%08x, %p, %p\n", comps, flags, url, len);
return InternetCreateUrlW( comps, flags, url, len );
}

333
dlls/winhttp/url.c Normal file
View File

@ -0,0 +1,333 @@
/*
* Copyright 2008 Hans Leidekker for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#include "wine/debug.h"
#include "windef.h"
#include "winbase.h"
#include "winhttp.h"
#include "winhttp_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
#define SCHEME_HTTP 3
#define SCHEME_HTTPS 4
BOOL WINAPI InternetCrackUrlW( LPCWSTR, DWORD, DWORD, LPURL_COMPONENTSW );
/***********************************************************************
* WinHttpCrackUrl (winhttp.@)
*/
BOOL WINAPI WinHttpCrackUrl( LPCWSTR url, DWORD len, DWORD flags, LPURL_COMPONENTSW components )
{
BOOL ret;
TRACE("%s, %d, %x, %p\n", debugstr_w(url), len, flags, components);
if ((ret = InternetCrackUrlW( url, len, flags, components )))
{
/* fix up an incompatibility between wininet and winhttp */
if (components->nScheme == SCHEME_HTTP) components->nScheme = INTERNET_SCHEME_HTTP;
else if (components->nScheme == SCHEME_HTTPS) components->nScheme = INTERNET_SCHEME_HTTPS;
else
{
set_last_error( ERROR_WINHTTP_UNRECOGNIZED_SCHEME );
return FALSE;
}
}
return ret;
}
static const WCHAR scheme_http[] = {'h','t','t','p',0};
static const WCHAR scheme_https[] = {'h','t','t','p','s',0};
static INTERNET_SCHEME get_scheme( const WCHAR *scheme, DWORD len )
{
if (!strncmpW( scheme, scheme_http, len )) return INTERNET_SCHEME_HTTP;
if (!strncmpW( scheme, scheme_https, len )) return INTERNET_SCHEME_HTTPS;
return 0;
}
static const WCHAR *get_scheme_string( INTERNET_SCHEME scheme )
{
if (scheme == INTERNET_SCHEME_HTTP) return scheme_http;
if (scheme == INTERNET_SCHEME_HTTPS) return scheme_https;
return NULL;
}
static BOOL uses_default_port( INTERNET_SCHEME scheme, INTERNET_PORT port )
{
if ((scheme == INTERNET_SCHEME_HTTP) && (port == INTERNET_DEFAULT_HTTP_PORT)) return TRUE;
if ((scheme == INTERNET_SCHEME_HTTPS) && (port == INTERNET_DEFAULT_HTTPS_PORT)) return TRUE;
return FALSE;
}
static BOOL need_escape( WCHAR c )
{
if (isalnumW( c )) return FALSE;
if (c <= 31 || c >= 127) return TRUE;
else
{
switch (c)
{
case ' ':
case '"':
case '#':
case '%':
case '<':
case '>':
case ']':
case '\\':
case '[':
case '^':
case '`':
case '{':
case '|':
case '}':
case '~':
return TRUE;
default:
return FALSE;
}
}
}
static DWORD copy_escape( WCHAR *dst, const WCHAR *src, DWORD len )
{
static const WCHAR hex[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
DWORD ret = len;
unsigned int i;
WCHAR *p = dst;
for (i = 0; i < len; i++, p++)
{
if (need_escape( src[i] ))
{
p[0] = '%';
p[1] = hex[(src[i] >> 4) & 0xf];
p[2] = hex[src[i] & 0xf];
ret += 2;
p += 2;
}
else *p = src[i];
}
dst[ret] = 0;
return ret;
}
static DWORD comp_length( DWORD len, DWORD flags, WCHAR *comp )
{
DWORD ret;
unsigned int i;
ret = len ? len : strlenW( comp );
if (!(flags & ICU_ESCAPE)) return ret;
for (i = 0; i < len; i++) if (need_escape( comp[i] )) ret += 2;
return ret;
}
static BOOL calc_length( URL_COMPONENTS *uc, DWORD flags, LPDWORD len )
{
static const WCHAR formatW[] = {'%','d',0};
INTERNET_SCHEME scheme;
*len = 0;
if (uc->lpszScheme)
{
DWORD scheme_len = comp_length( uc->dwSchemeLength, 0, uc->lpszScheme );
*len += scheme_len;
scheme = get_scheme( uc->lpszScheme, scheme_len );
}
else
{
scheme = uc->nScheme;
if (!scheme) scheme = INTERNET_SCHEME_HTTP;
*len += strlenW( get_scheme_string( scheme ) );
}
*len += 1; /* ':' */
if (uc->lpszHostName) *len += 2; /* "//" */
if (uc->lpszUserName)
{
*len += comp_length( uc->dwUserNameLength, 0, uc->lpszUserName );
*len += 1; /* "@" */
}
else
{
if (uc->lpszPassword)
{
set_last_error( ERROR_INVALID_PARAMETER );
return FALSE;
}
}
if (uc->lpszPassword)
{
*len += 1; /* ":" */
*len += comp_length( uc->dwPasswordLength, 0, uc->lpszPassword );
}
if (uc->lpszHostName)
{
*len += comp_length( uc->dwHostNameLength, 0, uc->lpszHostName );
if (!uses_default_port( scheme, uc->nPort ))
{
WCHAR port[sizeof("65535")];
sprintfW( port, formatW, uc->nPort );
*len += strlenW( port );
*len += 1; /* ":" */
}
if (uc->lpszUrlPath && *uc->lpszUrlPath != '/') *len += 1; /* '/' */
}
if (uc->lpszUrlPath) *len += comp_length( uc->dwUrlPathLength, flags, uc->lpszUrlPath );
if (uc->lpszExtraInfo) *len += comp_length( uc->dwExtraInfoLength, flags, uc->lpszExtraInfo );
return TRUE;
}
/***********************************************************************
* WinHttpCreateUrl (winhttp.@)
*/
BOOL WINAPI WinHttpCreateUrl( LPURL_COMPONENTS uc, DWORD flags, LPWSTR url, LPDWORD required )
{
static const WCHAR formatW[] = {'%','d',0};
static const WCHAR twoslashW[] = {'/','/'};
DWORD len;
INTERNET_SCHEME scheme;
TRACE("%p, 0x%08x, %p, %p\n", uc, flags, url, required);
if (!uc || uc->dwStructSize != sizeof(URL_COMPONENTS) || !required)
{
set_last_error( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!calc_length( uc, flags, &len )) return FALSE;
if (!url || *required < len)
{
*required = len + 1;
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
url[0] = 0;
*required = len;
if (uc->lpszScheme)
{
len = comp_length( uc->dwSchemeLength, 0, uc->lpszScheme );
memcpy( url, uc->lpszScheme, len * sizeof(WCHAR) );
url += len;
scheme = get_scheme( uc->lpszScheme, len );
}
else
{
const WCHAR *schemeW;
scheme = uc->nScheme;
if (!scheme) scheme = INTERNET_SCHEME_HTTP;
schemeW = get_scheme_string( scheme );
len = strlenW( schemeW );
memcpy( url, schemeW, len * sizeof(WCHAR) );
url += len;
}
/* all schemes are followed by at least a colon */
*url = ':';
url++;
if (uc->lpszHostName)
{
memcpy( url, twoslashW, sizeof(twoslashW) );
url += sizeof(twoslashW) / sizeof(twoslashW[0]);
}
if (uc->lpszUserName)
{
len = comp_length( uc->dwUserNameLength, 0, uc->lpszUserName );
memcpy( url, uc->lpszUserName, len * sizeof(WCHAR) );
url += len;
if (uc->lpszPassword)
{
*url = ':';
url++;
len = comp_length( uc->dwPasswordLength, 0, uc->lpszPassword );
memcpy( url, uc->lpszPassword, len * sizeof(WCHAR) );
url += len;
}
*url = '@';
url++;
}
if (uc->lpszHostName)
{
len = comp_length( uc->dwHostNameLength, 0, uc->lpszHostName );
memcpy( url, uc->lpszHostName, len * sizeof(WCHAR) );
url += len;
if (!uses_default_port( scheme, uc->nPort ))
{
WCHAR port[sizeof("65535")];
sprintfW( port, formatW, uc->nPort );
*url = ':';
url++;
len = strlenW( port );
memcpy( url, port, len * sizeof(WCHAR) );
url += len;
}
/* add slash between hostname and path if necessary */
if (uc->lpszUrlPath && *uc->lpszUrlPath != '/')
{
*url = '/';
url++;
}
}
if (uc->lpszUrlPath)
{
len = comp_length( uc->dwUrlPathLength, 0, uc->lpszUrlPath );
if (flags & ICU_ESCAPE) url += copy_escape( url, uc->lpszUrlPath, len );
else
{
memcpy( url, uc->lpszUrlPath, len * sizeof(WCHAR) );
url += len;
}
}
if (uc->lpszExtraInfo)
{
len = comp_length( uc->dwExtraInfoLength, 0, uc->lpszExtraInfo );
if (flags & ICU_ESCAPE) url += copy_escape( url, uc->lpszExtraInfo, len );
else
{
memcpy( url, uc->lpszExtraInfo, len * sizeof(WCHAR) );
url += len;
}
}
*url = 0;
return TRUE;
}

2
include/winhttp.h
View File

@ -36,6 +36,8 @@ typedef INTERNET_PORT *LPINTERNET_PORT;
#define INTERNET_SCHEME_HTTPS 2
typedef int INTERNET_SCHEME, *LPINTERNET_SCHEME;
#define ICU_ESCAPE 0x80000000
/* flags for WinHttpOpen */
#define WINHTTP_FLAG_ASYNC 0x10000000