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
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/common/cloud_print/cloud_print_helpers.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/rand_util.h"
#include "base/stringprintf.h"
#include "base/values.h"
#include "googleurl/src/gurl.h"
namespace cloud_print {
const char kPrinterListValue[] = "printers";
const char kSuccessValue[] = "success";
// Certain cloud print requests require Chrome's X-CloudPrint-Proxy header.
const char kChromeCloudPrintProxyHeader[] = "X-CloudPrint-Proxy: Chrome";
std::string AppendPathToUrl(const GURL& url, const std::string& path) {
DCHECK_NE(path[0], '/');
std::string ret = url.path();
if (url.has_path() && (ret[ret.length() - 1] != '/'))
ret += '/';
ret += path;
return ret;
}
GURL GetUrlForSearch(const GURL& cloud_print_server_url) {
std::string path(AppendPathToUrl(cloud_print_server_url, "search"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForSubmit(const GURL& cloud_print_server_url) {
std::string path(AppendPathToUrl(cloud_print_server_url, "submit"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
return cloud_print_server_url.ReplaceComponents(replacements);
}
bool ParseResponseJSON(const std::string& response_data,
bool* succeeded,
DictionaryValue** response_dict) {
scoped_ptr<Value> message_value(base::JSONReader::Read(response_data));
if (!message_value.get())
return false;
if (!message_value->IsType(Value::TYPE_DICTIONARY))
return false;
scoped_ptr<DictionaryValue> response_dict_local(
static_cast<DictionaryValue*>(message_value.release()));
if (succeeded &&
!response_dict_local->GetBoolean(cloud_print::kSuccessValue, succeeded))
*succeeded = false;
if (response_dict)
*response_dict = response_dict_local.release();
return true;
}
void AddMultipartValueForUpload(const std::string& value_name,
const std::string& value,
const std::string& mime_boundary,
const std::string& content_type,
std::string* post_data) {
DCHECK(post_data);
// First line is the boundary
post_data->append("--" + mime_boundary + "\r\n");
// Next line is the Content-disposition
post_data->append(StringPrintf("Content-Disposition: form-data; "
"name=\"%s\"\r\n", value_name.c_str()));
if (!content_type.empty()) {
// If Content-type is specified, the next line is that
post_data->append(StringPrintf("Content-Type: %s\r\n",
content_type.c_str()));
}
// Leave an empty line and append the value.
post_data->append(StringPrintf("\r\n%s\r\n", value.c_str()));
}
// Create a MIME boundary marker (27 '-' characters followed by 16 hex digits).
void CreateMimeBoundaryForUpload(std::string* out) {
int r1 = base::RandInt(0, kint32max);
int r2 = base::RandInt(0, kint32max);
base::SStringPrintf(out, "---------------------------%08X%08X", r1, r2);
}
} // namespace cloud_print
|
