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
|
/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "HttpHeader.h"
#include "Range.h"
#include "Util.h"
#include <istream>
namespace aria2 {
void HttpHeader::put(const std::string& name, const std::string& value) {
std::multimap<std::string, std::string>::value_type vt(Util::toLower(name), value);
table.insert(vt);
}
bool HttpHeader::defined(const std::string& name) const {
return table.count(Util::toLower(name)) >= 1;
}
std::string HttpHeader::getFirst(const std::string& name) const {
std::multimap<std::string, std::string>::const_iterator itr = table.find(Util::toLower(name));
if(itr == table.end()) {
return "";
} else {
return (*itr).second;
}
}
std::deque<std::string> HttpHeader::get(const std::string& name) const {
std::deque<std::string> v;
for(std::multimap<std::string, std::string>::const_iterator itr = table.find(Util::toLower(name)); itr != table.end(); itr++) {
v.push_back((*itr).second);
}
return v;
}
unsigned int HttpHeader::getFirstAsUInt(const std::string& name) const {
return getFirstAsULLInt(name);
}
uint64_t HttpHeader::getFirstAsULLInt(const std::string& name) const {
std::string value = getFirst(name);
if(value == "") {
return 0;
} else {
return Util::parseULLInt(value);
}
}
RangeHandle HttpHeader::getRange() const
{
std::string rangeStr = getFirst("Content-Range");
if(rangeStr == "") {
std::string contentLengthStr = getFirst("Content-Length");
if(contentLengthStr == "") {
return SharedHandle<Range>(new Range());
} else {
uint64_t contentLength = Util::parseULLInt(contentLengthStr);
if(contentLength == 0) {
return SharedHandle<Range>(new Range());
} else {
return SharedHandle<Range>(new Range(0, contentLength-1, contentLength));
}
}
}
std::string byteRangeSpec;
{
// we expect that rangeStr looks like 'bytes 100-199/100'
// but some server returns '100-199/100', omitting bytes-unit sepcifier
// 'bytes'.
std::pair<std::string, std::string> splist;
Util::split(splist, rangeStr, ' ');
if(splist.second.empty()) {
// we assume bytes-unit specifier omitted.
byteRangeSpec = splist.first;
} else {
byteRangeSpec = splist.second;
}
}
std::pair<std::string, std::string> byteRangeSpecPair;
Util::split(byteRangeSpecPair, byteRangeSpec, '/');
std::pair<std::string, std::string> byteRangeRespSpecPair;
Util::split(byteRangeRespSpecPair, byteRangeSpecPair.first, '-');
off_t startByte = Util::parseLLInt(byteRangeRespSpecPair.first);
off_t endByte = Util::parseLLInt(byteRangeRespSpecPair.second);
uint64_t entityLength = Util::parseULLInt(byteRangeSpecPair.second);
return SharedHandle<Range>(new Range(startByte, endByte, entityLength));
}
const std::string& HttpHeader::getResponseStatus() const
{
return _responseStatus;
}
void HttpHeader::setResponseStatus(const std::string& responseStatus)
{
_responseStatus = responseStatus;
}
const std::string& HttpHeader::getVersion() const
{
return _version;
}
void HttpHeader::setVersion(const std::string& version)
{
_version = version;
}
void HttpHeader::fill(std::istream& in)
{
std::string line;
while(std::getline(in, line)) {
line = Util::trim(line);
if(line.empty()) {
break;
}
std::pair<std::string, std::string> hp;
Util::split(hp, line, ':');
put(hp.first, hp.second);
}
}
} // namespace aria2
|
