1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <tqsocket.h>
#include <tqhttp.h>
#include <util/log.h>
#include <util/mmapfile.h>
#include "httpserver.h"
#include "httpclienthandler.h"
#include "httpresponseheader.h"
#include "php_handler.h"
using namespace bt;
namespace kt
{
HttpClientHandler::HttpClientHandler(HttpServer* srv,TQSocket* sock) : srv(srv),client(sock),php_response_hdr(200)
{
state = WAITING_FOR_REQUEST;
bytes_read = 0;
php = 0;
}
HttpClientHandler::~HttpClientHandler()
{
delete client;
delete php;
}
void HttpClientHandler::readyToRead()
{
if (state == WAITING_FOR_REQUEST)
{
while (client->canReadLine())
{
TQString line = client->readLine();
header_data += line;
if (header_data.endsWith("\r\n\r\n"))
{
// We have got the header, so lets parse it
handleRequest();
break;
}
}
}
else if (state == WAITING_FOR_CONTENT)
{
Uint32 ba = client->bytesAvailable();
if (ba + bytes_read < header.contentLength())
{
client->readBlock((char*)request_data.data() + bytes_read,ba);
bytes_read += ba;
}
else
{
Uint32 left = header.contentLength() - bytes_read;
client->readBlock((char*)request_data.data() + bytes_read,left);
bytes_read += left;
srv->handlePost(this,header,request_data);
header_data = "";
request_data.resize(0);
state = WAITING_FOR_REQUEST;
if (client->bytesAvailable() > 0)
readyToRead();
}
}
}
void HttpClientHandler::handleRequest()
{
header = TQHttpRequestHeader(header_data);
// Out(SYS_WEB|LOG_DEBUG) << "Parsing request : " << header.toString() << endl;
if (header.method() == "POST")
{
if (header.hasContentLength())
{
request_data.resize(header.contentLength());
state = WAITING_FOR_CONTENT;
bytes_read = 0;
if (client->bytesAvailable() > 0)
readyToRead();
}
}
else if (header.method() == "GET")
{
srv->handleGet(this,header);
header_data = "";
request_data.resize(0);
}
else
{
srv->handleUnsupportedMethod(this);
}
}
bool HttpClientHandler::sendFile(HttpResponseHeader & hdr,const TQString & full_path)
{
// Out(SYS_WEB|LOG_DEBUG) << "Sending file " << full_path << endl;
// first look in cache
MMapFile* c = srv->cacheLookup(full_path);
if (!c)
{
// not in cache so load it
c = new MMapFile();
if (!c->open(full_path,MMapFile::READ))
{
delete c;
Out(SYS_WEB|LOG_DEBUG) << "Failed to open file " << full_path << endl;
return false;
}
srv->insertIntoCache(full_path,c);
}
hdr.setValue("Content-Length",TQString::number(c->getSize()));
// Out(SYS_WEB|LOG_DEBUG) << "HTTP header : " << endl;
// Out(SYS_WEB|LOG_DEBUG) << hdr.toString() << endl;
TQCString d = hdr.toString().utf8();
client->writeBlock(d.data(),d.length());
Uint32 written = 0;
Uint32 total = c->getSize();
const char* data = (const char*)c->getDataPointer();
while (written < total)
{
Uint32 w = client->writeBlock(data + written,total - written);
written += w;
}
client->flush();
// Out(SYS_WEB|LOG_DEBUG) << "Finished sending " << full_path << " (" << written << " bytes)" << endl;
return true;
}
#define HTTP_404_ERROR "<html><head><title>404 Not Found</title></head><body>The requested file was not found !</body></html>"
#define HTTP_500_ERROR "<html><head><title>HTTP/1.1 500 Internal Server Error</title></head><body>HTTP/1.1 Internal Server Error<br>%1</body></html>"
void HttpClientHandler::send404(HttpResponseHeader & hdr,const TQString & path)
{
// Out(SYS_WEB|LOG_DEBUG) << "Sending 404 " << path << endl;
TQString data = HTTP_404_ERROR;
hdr.setValue("Content-Length",TQString::number(data.length()));
TQTextStream os(client);
os.setEncoding( TQTextStream::UnicodeUTF8 );
os << hdr.toString();
os << data;
}
void HttpClientHandler::send500(HttpResponseHeader & hdr)
{
// Out(SYS_WEB|LOG_DEBUG) << "Sending 500 " << endl;
TQString data = TQString(HTTP_500_ERROR).tqarg("An internal server error occured !");
hdr.setValue("Content-Length",TQString::number(data.length()));
TQTextStream os(client);
os.setEncoding( TQTextStream::UnicodeUTF8 );
os << hdr.toString();
os << data;
}
void HttpClientHandler::sendResponse(const HttpResponseHeader & hdr)
{
// Out(SYS_WEB|LOG_DEBUG) << "Sending response " << hdr.toString() << endl;
TQTextStream os(client);
os.setEncoding( TQTextStream::UnicodeUTF8 );
os << hdr.toString();
}
void HttpClientHandler::executePHPScript(
PhpInterface* php_iface,
HttpResponseHeader & hdr,
const TQString & php_exe,
const TQString & php_file,
const TQMap<TQString,TQString> & args)
{
// Out(SYS_WEB|LOG_DEBUG) << "Launching PHP script " << php_file << endl;
php = new PhpHandler(php_exe,php_iface);
if (!php->executeScript(php_file,args))
{
TQString data = TQString(HTTP_500_ERROR).tqarg("Failed to launch PHP executable !");
hdr.setResponseCode(500);
hdr.setValue("Content-Length",TQString::number(data.utf8().length()));
TQTextStream os(client);
os.setEncoding( TQTextStream::UnicodeUTF8 );
os << hdr.toString();
os << data;
state = WAITING_FOR_REQUEST;
}
else
{
php_response_hdr = hdr;
connect(php,TQT_SIGNAL(finished()),this,TQT_SLOT(onPHPFinished()));
state = PROCESSING_PHP;
}
}
void HttpClientHandler::onPHPFinished()
{
const TQByteArray & output = php->getOutput();
php_response_hdr.setValue("Content-Length",TQString::number(output.size()));
TQTextStream os(client);
os.setEncoding( TQTextStream::UnicodeUTF8 );
os << php_response_hdr.toString();
os.writeRawBytes(output.data(),output.size());
php->deleteLater();
php = 0;
state = WAITING_FOR_REQUEST;
}
}
#include "httpclienthandler.moc"
|
