aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/source/S3Endpoint.cpp
blob: d684a11a44c03ab87dd33c5bb0dd1f1b75f0ce76 (plain) (blame)
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
/**
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0.
 */

#include <aws/s3/S3Endpoint.h>
#include <aws/core/utils/memory/stl/AWSStringStream.h>
#include <aws/core/utils/HashingUtils.h>

using namespace Aws;
using namespace Aws::S3;

namespace Aws
{
namespace S3
{
namespace S3Endpoint
{
  static const int CN_NORTH_1_HASH = Aws::Utils::HashingUtils::HashString("cn-north-1");
  static const int CN_NORTHWEST_1_HASH = Aws::Utils::HashingUtils::HashString("cn-northwest-1");
  static const int US_ISO_EAST_1_HASH = Aws::Utils::HashingUtils::HashString("us-iso-east-1");
  static const int US_ISOB_EAST_1_HASH = Aws::Utils::HashingUtils::HashString("us-isob-east-1");

  static const int FIPS_US_GOV_WEST_1_HASH = Aws::Utils::HashingUtils::HashString("fips-us-gov-west-1");
  static const int US_GOV_WEST_1_HASH = Aws::Utils::HashingUtils::HashString("us-gov-west-1");
  static const int US_GOV_EAST_1_HASH = Aws::Utils::HashingUtils::HashString("us-gov-east-1");
  static const int S3_EXTERNAL_1_HASH = Aws::Utils::HashingUtils::HashString("s3-external-1");
  static const int US_EAST_1_HASH = Aws::Utils::HashingUtils::HashString("us-east-1");
  static const int AWS_GLOBAL_HASH = Aws::Utils::HashingUtils::HashString("aws-global");

  Aws::String ForAccessPointArn(const S3ARN& arn, const Aws::String& regionNameOverride, bool useDualStack, const Aws::String& endpointOverride)
  {
    Aws::StringStream ss;

    if (!endpointOverride.empty())
    {
      ss << arn.GetResourceId() << "-" << arn.GetAccountId() << "." << endpointOverride;
      return ss.str();
    }

    const Aws::String& region = regionNameOverride.empty() ? arn.GetRegion() : regionNameOverride;
    auto hash = Aws::Utils::HashingUtils::HashString(region.c_str());

    ss << arn.GetResourceId() << "-" << arn.GetAccountId() << ".s3-accesspoint.";
    if (useDualStack)
    {
      ss << "dualstack.";
    }
    ss << region << "." << "amazonaws.com";

    if (hash == CN_NORTH_1_HASH || hash == CN_NORTHWEST_1_HASH)
    {
      ss << ".cn";
    }

    return ss.str();
  }

  Aws::String ForOutpostsArn(const S3ARN& arn, const Aws::String& regionNameOverride, bool useDualStack, const Aws::String& endpointOverride)
  {
    AWS_UNREFERENCED_PARAM(useDualStack);
    assert(!useDualStack);
    Aws::StringStream ss;

    if (!endpointOverride.empty())
    {
      ss << arn.GetSubResourceId() << "-" << arn.GetAccountId() << "." << arn.GetResourceId() << "." << endpointOverride;
      return ss.str();
    }

    const Aws::String& region = regionNameOverride.empty() ? arn.GetRegion() : regionNameOverride;
    auto hash = Aws::Utils::HashingUtils::HashString(region.c_str());

    ss << arn.GetSubResourceId() << "-" << arn.GetAccountId() << "." << arn.GetResourceId() << "." << ARNService::S3_OUTPOSTS << "." << region << "." << "amazonaws.com";

    if (hash == CN_NORTH_1_HASH || hash == CN_NORTHWEST_1_HASH)
    {
      ss << ".cn";
    }

    return ss.str();
  }

  Aws::String ForObjectLambdaAccessPointArn(const S3ARN& arn, const Aws::String& regionNameOverride, bool useDualStack, const Aws::String& endpointOverride)
  {
    AWS_UNREFERENCED_PARAM(useDualStack);
    assert(!useDualStack);
    Aws::StringStream ss;

    if (!endpointOverride.empty())
    {
      ss << arn.GetResourceId() << "-" << arn.GetAccountId() << "." << endpointOverride;
      return ss.str();
    }

    Aws::String region = regionNameOverride.empty() ? arn.GetRegion() : regionNameOverride;
    Aws::String fipsSuffix = "";
    if (region.size() >= 5 && region.compare(0, 5, "fips-") == 0)
    {
      region = region.substr(5);
      fipsSuffix = "-fips";
    }
    else if (region.size() >= 5 && region.compare(region.size() - 5, 5, "-fips") == 0)
    {
      region = region.substr(0, region.size() - 5);
      fipsSuffix = "-fips";
    }

    ss << arn.GetResourceId() << "-" << arn.GetAccountId() << "." << ARNService::S3_OBJECT_LAMBDA << fipsSuffix << "." << region << "." << "amazonaws.com";

    auto hash = Aws::Utils::HashingUtils::HashString(region.c_str());
    if (hash == CN_NORTH_1_HASH || hash == CN_NORTHWEST_1_HASH)
    {
      ss << ".cn";
    }

    return ss.str();
  }

  Aws::String ForRegion(const Aws::String& regionName, bool useDualStack, bool USEast1UseRegionalEndpoint, const Aws::String& serviceName)
  {
    auto hash = Aws::Utils::HashingUtils::HashString(regionName.c_str());

    if (!serviceName.empty())
    {
      assert(!useDualStack);

      Aws::StringStream ss;
      ss << serviceName;

      if (regionName.size() >= 5 && regionName.compare(0, 5, "fips-") == 0)
      {
        ss << "-fips." << regionName.substr(5);
      }
      else if (regionName.size() >= 5 && regionName.compare(regionName.size() - 5, 5, "-fips") == 0)
      {
        ss << "-fips." << regionName.substr(0, regionName.size() - 5);
      }
      else if (hash == AWS_GLOBAL_HASH || hash == S3_EXTERNAL_1_HASH)
      {
        ss << "." << Aws::Region::US_EAST_1;
      }
      else
      {
        ss << "." << regionName;
      }
      ss << ".amazonaws.com";
      if (hash == CN_NORTH_1_HASH || hash == CN_NORTHWEST_1_HASH)
      {
        ss << ".cn";
      }
      return ss.str();
    }

    if(!useDualStack)
    {
      if(hash == FIPS_US_GOV_WEST_1_HASH)
      {
        return "s3-fips-us-gov-west-1.amazonaws.com";
      }
      if(hash == US_GOV_WEST_1_HASH)
      {
        return "s3.us-gov-west-1.amazonaws.com";
      }
      if(hash == US_GOV_EAST_1_HASH)
      {
        return "s3.us-gov-east-1.amazonaws.com";
      }
      if (hash == AWS_GLOBAL_HASH)
      {
        return "s3.amazonaws.com";
      }
      if (hash == S3_EXTERNAL_1_HASH)
      {
        return "s3-external-1.amazonaws.com";
      }
      if(hash == US_EAST_1_HASH)
      {
        if (USEast1UseRegionalEndpoint)
        {
          return "s3.us-east-1.amazonaws.com";
        }
        else
        {
          return "s3.amazonaws.com";
        }
      }
    }
    Aws::StringStream ss;
    ss << "s3" << ".";

    if(useDualStack)
    {
      ss << "dualstack.";
    }

    ss << regionName;

    if (hash == CN_NORTH_1_HASH || hash == CN_NORTHWEST_1_HASH)
    {
      ss << ".amazonaws.com.cn";
    }
    else if (hash == US_ISO_EAST_1_HASH)
    {
      ss << ".c2s.ic.gov";
    }
    else if (hash == US_ISOB_EAST_1_HASH)
    {
      ss << ".sc2s.sgov.gov";
    }
    else
    {
      ss << ".amazonaws.com";
    }

    return ss.str();
  }

} // namespace S3Endpoint
} // namespace S3
} // namespace Aws