1 //
2 // Copyright (C) 2009 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 //      http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16 
17 // Implementation of common HTTP related functions.
18 
19 #include "update_engine/common/http_common.h"
20 
21 #include <cstdlib>
22 
23 #include <base/macros.h>
24 #include <base/stl_util.h>
25 
26 namespace chromeos_update_engine {
27 
GetHttpResponseDescription(HttpResponseCode code)28 const char* GetHttpResponseDescription(HttpResponseCode code) {
29   static const struct {
30     HttpResponseCode code;
31     const char* description;
32   } http_response_table[] = {
33       {kHttpResponseOk, "OK"},
34       {kHttpResponseCreated, "Created"},
35       {kHttpResponseAccepted, "Accepted"},
36       {kHttpResponseNonAuthInfo, "Non-Authoritative Information"},
37       {kHttpResponseNoContent, "No Content"},
38       {kHttpResponseResetContent, "Reset Content"},
39       {kHttpResponsePartialContent, "Partial Content"},
40       {kHttpResponseMultipleChoices, "Multiple Choices"},
41       {kHttpResponseMovedPermanently, "Moved Permanently"},
42       {kHttpResponseFound, "Found"},
43       {kHttpResponseSeeOther, "See Other"},
44       {kHttpResponseNotModified, "Not Modified"},
45       {kHttpResponseUseProxy, "Use Proxy"},
46       {kHttpResponseTempRedirect, "Temporary Redirect"},
47       {kHttpResponseBadRequest, "Bad Request"},
48       {kHttpResponseUnauth, "Unauthorized"},
49       {kHttpResponseForbidden, "Forbidden"},
50       {kHttpResponseNotFound, "Not Found"},
51       {kHttpResponseRequestTimeout, "Request Timeout"},
52       {kHttpResponseInternalServerError, "Internal Server Error"},
53       {kHttpResponseNotImplemented, "Not Implemented"},
54       {kHttpResponseServiceUnavailable, "Service Unavailable"},
55       {kHttpResponseVersionNotSupported, "HTTP Version Not Supported"},
56   };
57 
58   bool is_found = false;
59   size_t i;
60   for (i = 0; i < base::size(http_response_table); i++)
61     if ((is_found = (http_response_table[i].code == code)))
62       break;
63 
64   return (is_found ? http_response_table[i].description : "(unsupported)");
65 }
66 
StringToHttpResponseCode(const char * s)67 HttpResponseCode StringToHttpResponseCode(const char* s) {
68   return static_cast<HttpResponseCode>(strtoul(s, nullptr, 10));
69 }
70 
GetHttpContentTypeString(HttpContentType type)71 const char* GetHttpContentTypeString(HttpContentType type) {
72   static const struct {
73     HttpContentType type;
74     const char* str;
75   } http_content_type_table[] = {
76       {kHttpContentTypeTextXml, "text/xml"},
77   };
78 
79   bool is_found = false;
80   size_t i;
81   for (i = 0; i < base::size(http_content_type_table); i++)
82     if ((is_found = (http_content_type_table[i].type == type)))
83       break;
84 
85   return (is_found ? http_content_type_table[i].str : nullptr);
86 }
87 
88 }  // namespace chromeos_update_engine
89