src/common/http.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/common/http.cpp
// Purpose:     HTTP protocol
// Author:      Guilhem Lavaux
// Modified by: Simo Virokannas (authentication, Dec 2005)
// Created:     August 1997
// RCS-ID:      $Id$
// Copyright:   (c) 1997, 1998 Guilhem Lavaux
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_PROTOCOL_HTTP

#include <stdio.h>
#include <stdlib.h>

#ifndef WX_PRECOMP
    #include "wx/string.h"
    #include "wx/app.h"
#endif

#include "wx/tokenzr.h"
#include "wx/socket.h"
#include "wx/protocol/protocol.h"
#include "wx/url.h"
#include "wx/protocol/http.h"
#include "wx/sckstrm.h"
#include "wx/thread.h"

IMPLEMENT_DYNAMIC_CLASS(wxHTTP, wxProtocol)
IMPLEMENT_PROTOCOL(wxHTTP, wxT("http"), wxT("80"), true)

wxHTTP::wxHTTP()
  : wxProtocol()
{
    m_addr = NULL;
    m_read = false;
    m_proxy_mode = false;
    m_post_buf = wxEmptyString;
    m_http_response = 0;

    SetNotify(wxSOCKET_LOST_FLAG);
}

wxHTTP::~wxHTTP()
{
    ClearHeaders();

    delete m_addr;
}

void wxHTTP::ClearHeaders()
{
  m_headers.clear();
}

wxString wxHTTP::GetContentType()
{
    return GetHeader(wxT("Content-Type"));
}

void wxHTTP::SetProxyMode(bool on)
{
    m_proxy_mode = on;
}

wxHTTP::wxHeaderIterator wxHTTP::FindHeader(const wxString& header)
{
    wxHeaderIterator it = m_headers.begin();
    for ( wxHeaderIterator en = m_headers.end(); it != en; ++it )
    {
        if ( header.CmpNoCase(it->first) == 0 )
            break;
    }

    return it;
}

wxHTTP::wxHeaderConstIterator wxHTTP::FindHeader(const wxString& header) const
{
    wxHeaderConstIterator it = m_headers.begin();
    for ( wxHeaderConstIterator en = m_headers.end(); it != en; ++it )
    {
        if ( header.CmpNoCase(it->first) == 0 )
            break;
    }

    return it;
}

void wxHTTP::SetHeader(const wxString& header, const wxString& h_data)
{
    if (m_read) {
        ClearHeaders();
        m_read = false;
    }

    wxHeaderIterator it = FindHeader(header);
    if (it != m_headers.end())
        it->second = h_data;
    else
        m_headers[header] = h_data;
}

wxString wxHTTP::GetHeader(const wxString& header) const
{
    wxHeaderConstIterator it = FindHeader(header);

    return it == m_headers.end() ? wxGetEmptyString() : it->second;
}

wxString wxHTTP::GenerateAuthString(const wxString& user, const wxString& pass) const
{
    static const char *base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    wxString buf;
    wxString toencode;

    buf.Printf(wxT("Basic "));

    toencode.Printf(wxT("%s:%s"),user.c_str(),pass.c_str());

    size_t len = toencode.length();
    const wxChar *from = toencode.c_str();
    while (len >= 3) { // encode full blocks first
        buf << wxString::Format(wxT("%c%c"), base64[(from[0] >> 2) & 0x3f], base64[((from[0] << 4) & 0x30) | ((from[1] >> 4) & 0xf)]);
        buf << wxString::Format(wxT("%c%c"), base64[((from[1] << 2) & 0x3c) | ((from[2] >> 6) & 0x3)], base64[from[2] & 0x3f]);
        from += 3;
        len -= 3;
    }
    if (len > 0) { // pad the remaining characters
        buf << wxString::Format(wxT("%c"), base64[(from[0] >> 2) & 0x3f]);
        if (len == 1) {
            buf << wxString::Format(wxT("%c="), base64[(from[0] << 4) & 0x30]);
        } else {
            buf << wxString::Format(wxT("%c%c"), base64[((from[0] << 4) & 0x30) | ((from[1] >> 4) & 0xf)], base64[(from[1] << 2) & 0x3c]);
        }
        buf << wxT("=");
    }

    return buf;
}

void wxHTTP::SetPostBuffer(const wxString& post_buf)
{
    m_post_buf = post_buf;
}

void wxHTTP::SendHeaders()
{
    typedef wxStringToStringHashMap::iterator iterator;
    wxString buf;

    for (iterator it = m_headers.begin(), en = m_headers.end(); it != en; ++it )
    {
        buf.Printf(wxT("%s: %s\r\n"), it->first.c_str(), it->second.c_str());

        const wxWX2MBbuf cbuf = buf.mb_str();
        Write(cbuf, strlen(cbuf));
    }
}

bool wxHTTP::ParseHeaders()
{
    wxString line;
    wxStringTokenizer tokenzr;

    ClearHeaders();
    m_read = true;

    for ( ;; )
    {
        m_perr = ReadLine(this, line);
        if (m_perr != wxPROTO_NOERR)
            return false;

        if (line.length() == 0)
            break;

        wxString left_str = line.BeforeFirst(':');
        m_headers[left_str] = line.AfterFirst(':').Strip(wxString::both);
    }
    return true;
}

bool wxHTTP::Connect(const wxString& host, unsigned short port)
{
    wxIPV4address *addr;

    if (m_addr) {
        delete m_addr;
        m_addr = NULL;
        Close();
    }

    m_addr = addr = new wxIPV4address();

    if (!addr->Hostname(host)) {
        delete m_addr;
        m_addr = NULL;
        m_perr = wxPROTO_NETERR;
        return false;
    }

    if ( port )
        addr->Service(port);
    else if (!addr->Service(wxT("http")))
        addr->Service(80);

    SetHeader(wxT("Host"), host);

    return true;
}

bool wxHTTP::Connect(wxSockAddress& addr, bool WXUNUSED(wait))
{
    if (m_addr) {
        delete m_addr;
        Close();
    }

    m_addr = addr.Clone();

    wxIPV4address *ipv4addr = wxDynamicCast(&addr, wxIPV4address);
    if (ipv4addr)
        SetHeader(wxT("Host"), ipv4addr->OrigHostname());

    return true;
}

bool wxHTTP::BuildRequest(const wxString& path, wxHTTP_Req req)
{
    const wxChar *request;

    switch (req)
    {
        case wxHTTP_GET:
            request = wxT("GET");
            break;

        case wxHTTP_POST:
            request = wxT("POST");
            if ( GetHeader( wxT("Content-Length") ).IsNull() )
                SetHeader( wxT("Content-Length"), wxString::Format( wxT("%lu"), (unsigned long)m_post_buf.Len() ) );
            break;

        default:
            return false;
    }

    m_http_response = 0;

    // If there is no User-Agent defined, define it.
    if (GetHeader(wxT("User-Agent")).IsNull())
        SetHeader(wxT("User-Agent"), wxT("wxWidgets 2.x"));

    // Send authentication information
    if (!m_username.empty() || !m_password.empty()) {
        SetHeader(wxT("Authorization"), GenerateAuthString(m_username, m_password));
    }

    SaveState();

    // we may use non blocking sockets only if we can dispatch events from them
    SetFlags( wxIsMainThread() && wxApp::IsMainLoopRunning() ? wxSOCKET_NONE
                                                             : wxSOCKET_BLOCK );
    Notify(false);

    wxString buf;
    buf.Printf(wxT("%s %s HTTP/1.0\r\n"), request, path.c_str());
    const wxWX2MBbuf pathbuf = buf.mb_str();
    Write(pathbuf, strlen(pathbuf));
    SendHeaders();
    Write("\r\n", 2);

    if ( req == wxHTTP_POST ) {
        Write(m_post_buf.mbc_str(), m_post_buf.Len());
        m_post_buf = wxEmptyString;
    }

    wxString tmp_str;
    m_perr = ReadLine(this, tmp_str);
    if (m_perr != wxPROTO_NOERR) {
        RestoreState();
        return false;
    }

    if (!tmp_str.Contains(wxT("HTTP/"))) {
        // TODO: support HTTP v0.9 which can have no header.
        // FIXME: tmp_str is not put back in the in-queue of the socket.
        SetHeader(wxT("Content-Length"), wxT("-1"));
        SetHeader(wxT("Content-Type"), wxT("none/none"));
        RestoreState();
        return true;
    }

    wxStringTokenizer token(tmp_str,wxT(' '));
    wxString tmp_str2;
    bool ret_value;

    token.NextToken();
    tmp_str2 = token.NextToken();

    m_http_response = wxAtoi(tmp_str2);

    switch ( tmp_str2[0u].GetValue() )
    {
        case wxT('1'):
            /* INFORMATION / SUCCESS */
            break;

        case wxT('2'):
            /* SUCCESS */
            break;

        case wxT('3'):
            /* REDIRECTION */
            break;

        default:
            m_perr = wxPROTO_NOFILE;
            RestoreState();
            return false;
    }

    ret_value = ParseHeaders();
    RestoreState();
    return ret_value;
}

class wxHTTPStream : public wxSocketInputStream
{
public:
    wxHTTP *m_http;
    size_t m_httpsize;
    unsigned long m_read_bytes;

    wxHTTPStream(wxHTTP *http) : wxSocketInputStream(*http), m_http(http) {}
    size_t GetSize() const { return m_httpsize; }
    virtual ~wxHTTPStream(void) { m_http->Abort(); }

protected:
    size_t OnSysRead(void *buffer, size_t bufsize);

    DECLARE_NO_COPY_CLASS(wxHTTPStream)
};

size_t wxHTTPStream::OnSysRead(void *buffer, size_t bufsize)
{
    if (m_httpsize > 0 && m_read_bytes >= m_httpsize)
    {
        m_lasterror = wxSTREAM_EOF;
        return 0;
    }

    size_t ret = wxSocketInputStream::OnSysRead(buffer, bufsize);
    m_read_bytes += ret;

    if (m_httpsize==(size_t)-1 && m_lasterror == wxSTREAM_READ_ERROR )
    {
        // if m_httpsize is (size_t) -1 this means read until connection closed
        // which is equivalent to getting a READ_ERROR, for clients however this
        // must be translated into EOF, as it is the expected way of signalling
        // end end of the content
        m_lasterror = wxSTREAM_EOF ;
    }

    return ret;
}

bool wxHTTP::Abort(void)
{
    return wxSocketClient::Close();
}

wxInputStream *wxHTTP::GetInputStream(const wxString& path)
{
    wxHTTPStream *inp_stream;

    wxString new_path;

    m_perr = wxPROTO_CONNERR;
    if (!m_addr)
        return NULL;

    // We set m_connected back to false so wxSocketBase will know what to do.
#ifdef __WXMAC__
    wxSocketClient::Connect(*m_addr , false );
    wxSocketClient::WaitOnConnect(10);

    if (!wxSocketClient::IsConnected())
        return NULL;
#else
    if (!wxProtocol::Connect(*m_addr))
        return NULL;
#endif

    if (!BuildRequest(path, m_post_buf.empty() ? wxHTTP_GET : wxHTTP_POST))
        return NULL;

    inp_stream = new wxHTTPStream(this);

    if (!GetHeader(wxT("Content-Length")).empty())
        inp_stream->m_httpsize = wxAtoi(GetHeader(wxT("Content-Length")));
    else
        inp_stream->m_httpsize = (size_t)-1;

    inp_stream->m_read_bytes = 0;

    Notify(false);
    SetFlags(wxSOCKET_BLOCK | wxSOCKET_WAITALL);

    return inp_stream;
}

#endif // wxUSE_PROTOCOL_HTTP
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/common/http.cpp
	3	// Purpose: HTTP protocol
	4	// Author: Guilhem Lavaux
	5	// Modified by: Simo Virokannas (authentication, Dec 2005)
	6	// Created: August 1997
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1997, 1998 Guilhem Lavaux
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// For compilers that support precompilation, includes "wx.h".
	13	#include "wx/wxprec.h"
	14
	15	#ifdef __BORLANDC__
	16	#pragma hdrstop
	17	#endif
	18
	19	#if wxUSE_PROTOCOL_HTTP
	20
	21	#include <stdio.h>
	22	#include <stdlib.h>
	23
	24	#ifndef WX_PRECOMP
	25	#include "wx/string.h"
	26	#include "wx/app.h"
	27	#endif
	28
	29	#include "wx/tokenzr.h"
	30	#include "wx/socket.h"
	31	#include "wx/protocol/protocol.h"
	32	#include "wx/url.h"
	33	#include "wx/protocol/http.h"
	34	#include "wx/sckstrm.h"
	35	#include "wx/thread.h"
	36
	37	IMPLEMENT_DYNAMIC_CLASS(wxHTTP, wxProtocol)
	38	IMPLEMENT_PROTOCOL(wxHTTP, wxT("http"), wxT("80"), true)
	39
	40	wxHTTP::wxHTTP()
	41	: wxProtocol()
	42	{
	43	m_addr = NULL;
	44	m_read = false;
	45	m_proxy_mode = false;
	46	m_post_buf = wxEmptyString;
	47	m_http_response = 0;
	48
	49	SetNotify(wxSOCKET_LOST_FLAG);
	50	}
	51
	52	wxHTTP::~wxHTTP()
	53	{
	54	ClearHeaders();
	55
	56	delete m_addr;
	57	}
	58
	59	void wxHTTP::ClearHeaders()
	60	{
	61	m_headers.clear();
	62	}
	63
	64	wxString wxHTTP::GetContentType()
	65	{
	66	return GetHeader(wxT("Content-Type"));
	67	}
	68
	69	void wxHTTP::SetProxyMode(bool on)
	70	{
	71	m_proxy_mode = on;
	72	}
	73
	74	wxHTTP::wxHeaderIterator wxHTTP::FindHeader(const wxString& header)
	75	{
	76	wxHeaderIterator it = m_headers.begin();
	77	for ( wxHeaderIterator en = m_headers.end(); it != en; ++it )
	78	{
	79	if ( header.CmpNoCase(it->first) == 0 )
	80	break;
	81	}
	82
	83	return it;
	84	}
	85
	86	wxHTTP::wxHeaderConstIterator wxHTTP::FindHeader(const wxString& header) const
	87	{
	88	wxHeaderConstIterator it = m_headers.begin();
	89	for ( wxHeaderConstIterator en = m_headers.end(); it != en; ++it )
	90	{
	91	if ( header.CmpNoCase(it->first) == 0 )
	92	break;
	93	}
	94
	95	return it;
	96	}
	97
	98	void wxHTTP::SetHeader(const wxString& header, const wxString& h_data)
	99	{
	100	if (m_read) {
	101	ClearHeaders();
	102	m_read = false;
	103	}
	104
	105	wxHeaderIterator it = FindHeader(header);
	106	if (it != m_headers.end())
	107	it->second = h_data;
	108	else
	109	m_headers[header] = h_data;
	110	}
	111
	112	wxString wxHTTP::GetHeader(const wxString& header) const
	113	{
	114	wxHeaderConstIterator it = FindHeader(header);
	115
	116	return it == m_headers.end() ? wxGetEmptyString() : it->second;
	117	}
	118
	119	wxString wxHTTP::GenerateAuthString(const wxString& user, const wxString& pass) const
	120	{
	121	static const char *base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
	122
	123	wxString buf;
	124	wxString toencode;
	125
	126	buf.Printf(wxT("Basic "));
	127
	128	toencode.Printf(wxT("%s:%s"),user.c_str(),pass.c_str());
	129
	130	size_t len = toencode.length();
	131	const wxChar *from = toencode.c_str();
	132	while (len >= 3) { // encode full blocks first
	133	buf << wxString::Format(wxT("%c%c"), base64[(from[0] >> 2) & 0x3f], base64[((from[0] << 4) & 0x30) \| ((from[1] >> 4) & 0xf)]);
	134	buf << wxString::Format(wxT("%c%c"), base64[((from[1] << 2) & 0x3c) \| ((from[2] >> 6) & 0x3)], base64[from[2] & 0x3f]);
	135	from += 3;
	136	len -= 3;
	137	}
	138	if (len > 0) { // pad the remaining characters
	139	buf << wxString::Format(wxT("%c"), base64[(from[0] >> 2) & 0x3f]);
	140	if (len == 1) {
	141	buf << wxString::Format(wxT("%c="), base64[(from[0] << 4) & 0x30]);
	142	} else {
	143	buf << wxString::Format(wxT("%c%c"), base64[((from[0] << 4) & 0x30) \| ((from[1] >> 4) & 0xf)], base64[(from[1] << 2) & 0x3c]);
	144	}
	145	buf << wxT("=");
	146	}
	147
	148	return buf;
	149	}
	150
	151	void wxHTTP::SetPostBuffer(const wxString& post_buf)
	152	{
	153	m_post_buf = post_buf;
	154	}
	155
	156	void wxHTTP::SendHeaders()
	157	{
	158	typedef wxStringToStringHashMap::iterator iterator;
	159	wxString buf;
	160
	161	for (iterator it = m_headers.begin(), en = m_headers.end(); it != en; ++it )
	162	{
	163	buf.Printf(wxT("%s: %s\r\n"), it->first.c_str(), it->second.c_str());
	164
	165	const wxWX2MBbuf cbuf = buf.mb_str();
	166	Write(cbuf, strlen(cbuf));
	167	}
	168	}
	169
	170	bool wxHTTP::ParseHeaders()
	171	{
	172	wxString line;
	173	wxStringTokenizer tokenzr;
	174
	175	ClearHeaders();
	176	m_read = true;
	177
	178	for ( ;; )
	179	{
	180	m_perr = ReadLine(this, line);
	181	if (m_perr != wxPROTO_NOERR)
	182	return false;
	183
	184	if (line.length() == 0)
	185	break;
	186
	187	wxString left_str = line.BeforeFirst(':');
	188	m_headers[left_str] = line.AfterFirst(':').Strip(wxString::both);
	189	}
	190	return true;
	191	}
	192
	193	bool wxHTTP::Connect(const wxString& host, unsigned short port)
	194	{
	195	wxIPV4address *addr;
	196
	197	if (m_addr) {
	198	delete m_addr;
	199	m_addr = NULL;
	200	Close();
	201	}
	202
	203	m_addr = addr = new wxIPV4address();
	204
	205	if (!addr->Hostname(host)) {
	206	delete m_addr;
	207	m_addr = NULL;
	208	m_perr = wxPROTO_NETERR;
	209	return false;
	210	}
	211
	212	if ( port )
	213	addr->Service(port);
	214	else if (!addr->Service(wxT("http")))
	215	addr->Service(80);
	216
	217	SetHeader(wxT("Host"), host);
	218
	219	return true;
	220	}
	221
	222	bool wxHTTP::Connect(wxSockAddress& addr, bool WXUNUSED(wait))
	223	{
	224	if (m_addr) {
	225	delete m_addr;
	226	Close();
	227	}
	228
	229	m_addr = addr.Clone();
	230
	231	wxIPV4address *ipv4addr = wxDynamicCast(&addr, wxIPV4address);
	232	if (ipv4addr)
	233	SetHeader(wxT("Host"), ipv4addr->OrigHostname());
	234
	235	return true;
	236	}
	237
	238	bool wxHTTP::BuildRequest(const wxString& path, wxHTTP_Req req)
	239	{
	240	const wxChar *request;
	241
	242	switch (req)
	243	{
	244	case wxHTTP_GET:
	245	request = wxT("GET");
	246	break;
	247
	248	case wxHTTP_POST:
	249	request = wxT("POST");
	250	if ( GetHeader( wxT("Content-Length") ).IsNull() )
	251	SetHeader( wxT("Content-Length"), wxString::Format( wxT("%lu"), (unsigned long)m_post_buf.Len() ) );
	252	break;
	253
	254	default:
	255	return false;
	256	}
	257
	258	m_http_response = 0;
	259
	260	// If there is no User-Agent defined, define it.
	261	if (GetHeader(wxT("User-Agent")).IsNull())
	262	SetHeader(wxT("User-Agent"), wxT("wxWidgets 2.x"));
	263
	264	// Send authentication information
	265	if (!m_username.empty() \|\| !m_password.empty()) {
	266	SetHeader(wxT("Authorization"), GenerateAuthString(m_username, m_password));
	267	}
	268
	269	SaveState();
	270
	271	// we may use non blocking sockets only if we can dispatch events from them
	272	SetFlags( wxIsMainThread() && wxApp::IsMainLoopRunning() ? wxSOCKET_NONE
	273	: wxSOCKET_BLOCK );
	274	Notify(false);
	275
	276	wxString buf;
	277	buf.Printf(wxT("%s %s HTTP/1.0\r\n"), request, path.c_str());
	278	const wxWX2MBbuf pathbuf = buf.mb_str();
	279	Write(pathbuf, strlen(pathbuf));
	280	SendHeaders();
	281	Write("\r\n", 2);
	282
	283	if ( req == wxHTTP_POST ) {
	284	Write(m_post_buf.mbc_str(), m_post_buf.Len());
	285	m_post_buf = wxEmptyString;
	286	}
	287
	288	wxString tmp_str;
	289	m_perr = ReadLine(this, tmp_str);
	290	if (m_perr != wxPROTO_NOERR) {
	291	RestoreState();
	292	return false;
	293	}
	294
	295	if (!tmp_str.Contains(wxT("HTTP/"))) {
	296	// TODO: support HTTP v0.9 which can have no header.
	297	// FIXME: tmp_str is not put back in the in-queue of the socket.
	298	SetHeader(wxT("Content-Length"), wxT("-1"));
	299	SetHeader(wxT("Content-Type"), wxT("none/none"));
	300	RestoreState();
	301	return true;
	302	}
	303
	304	wxStringTokenizer token(tmp_str,wxT(' '));
	305	wxString tmp_str2;
	306	bool ret_value;
	307
	308	token.NextToken();
	309	tmp_str2 = token.NextToken();
	310
	311	m_http_response = wxAtoi(tmp_str2);
	312
	313	switch ( tmp_str2[0u].GetValue() )
	314	{
	315	case wxT('1'):
	316	/* INFORMATION / SUCCESS */
	317	break;
	318
	319	case wxT('2'):
	320	/* SUCCESS */
	321	break;
	322
	323	case wxT('3'):
	324	/* REDIRECTION */
	325	break;
	326
	327	default:
	328	m_perr = wxPROTO_NOFILE;
	329	RestoreState();
	330	return false;
	331	}
	332
	333	ret_value = ParseHeaders();
	334	RestoreState();
	335	return ret_value;
	336	}
	337
	338	class wxHTTPStream : public wxSocketInputStream
	339	{
	340	public:
	341	wxHTTP *m_http;
	342	size_t m_httpsize;
	343	unsigned long m_read_bytes;
	344
	345	wxHTTPStream(wxHTTP http) : wxSocketInputStream(http), m_http(http) {}
	346	size_t GetSize() const { return m_httpsize; }
	347	virtual ~wxHTTPStream(void) { m_http->Abort(); }
	348
	349	protected:
	350	size_t OnSysRead(void *buffer, size_t bufsize);
	351
	352	DECLARE_NO_COPY_CLASS(wxHTTPStream)
	353	};
	354
	355	size_t wxHTTPStream::OnSysRead(void *buffer, size_t bufsize)
	356	{
	357	if (m_httpsize > 0 && m_read_bytes >= m_httpsize)
	358	{
	359	m_lasterror = wxSTREAM_EOF;
	360	return 0;
	361	}
	362
	363	size_t ret = wxSocketInputStream::OnSysRead(buffer, bufsize);
	364	m_read_bytes += ret;
	365
	366	if (m_httpsize==(size_t)-1 && m_lasterror == wxSTREAM_READ_ERROR )
	367	{
	368	// if m_httpsize is (size_t) -1 this means read until connection closed
	369	// which is equivalent to getting a READ_ERROR, for clients however this
	370	// must be translated into EOF, as it is the expected way of signalling
	371	// end end of the content
	372	m_lasterror = wxSTREAM_EOF ;
	373	}
	374
	375	return ret;
	376	}
	377
	378	bool wxHTTP::Abort(void)
	379	{
	380	return wxSocketClient::Close();
	381	}
	382
	383	wxInputStream *wxHTTP::GetInputStream(const wxString& path)
	384	{
	385	wxHTTPStream *inp_stream;
	386
	387	wxString new_path;
	388
	389	m_perr = wxPROTO_CONNERR;
	390	if (!m_addr)
	391	return NULL;
	392
	393	// We set m_connected back to false so wxSocketBase will know what to do.
	394	#ifdef __WXMAC__
	395	wxSocketClient::Connect(*m_addr , false );
	396	wxSocketClient::WaitOnConnect(10);
	397
	398	if (!wxSocketClient::IsConnected())
	399	return NULL;
	400	#else
	401	if (!wxProtocol::Connect(*m_addr))
	402	return NULL;
	403	#endif
	404
	405	if (!BuildRequest(path, m_post_buf.empty() ? wxHTTP_GET : wxHTTP_POST))
	406	return NULL;
	407
	408	inp_stream = new wxHTTPStream(this);
	409
	410	if (!GetHeader(wxT("Content-Length")).empty())
	411	inp_stream->m_httpsize = wxAtoi(GetHeader(wxT("Content-Length")));
	412	else
	413	inp_stream->m_httpsize = (size_t)-1;
	414
	415	inp_stream->m_read_bytes = 0;
	416
	417	Notify(false);
	418	SetFlags(wxSOCKET_BLOCK \| wxSOCKET_WAITALL);
	419
	420	return inp_stream;
	421	}
	422
	423	#endif // wxUSE_PROTOCOL_HTTP