GetRegionFromURL - returns a region from url host.
(endpointURL url.URL)
| 125 | |
| 126 | // GetRegionFromURL - returns a region from url host. |
| 127 | func GetRegionFromURL(endpointURL url.URL) string { |
| 128 | if endpointURL == sentinelURL { |
| 129 | return "" |
| 130 | } |
| 131 | |
| 132 | if endpointURL.Hostname() == "s3-external-1.amazonaws.com" { |
| 133 | return "" |
| 134 | } |
| 135 | |
| 136 | // if elb's are used we cannot calculate which region it may be, just return empty. |
| 137 | if elbAmazonRegex.MatchString(endpointURL.Hostname()) || elbAmazonCnRegex.MatchString(endpointURL.Hostname()) { |
| 138 | return "" |
| 139 | } |
| 140 | |
| 141 | // We check for FIPS dualstack matching first to avoid the non-greedy |
| 142 | // regex for FIPS non-dualstack matching a dualstack URL |
| 143 | parts := amazonS3HostFIPSDualStack.FindStringSubmatch(endpointURL.Hostname()) |
| 144 | if len(parts) > 1 { |
| 145 | return parts[1] |
| 146 | } |
| 147 | |
| 148 | parts = amazonS3HostFIPS.FindStringSubmatch(endpointURL.Hostname()) |
| 149 | if len(parts) > 1 { |
| 150 | return parts[1] |
| 151 | } |
| 152 | |
| 153 | parts = amazonS3HostDualStack.FindStringSubmatch(endpointURL.Hostname()) |
| 154 | if len(parts) > 1 { |
| 155 | return parts[1] |
| 156 | } |
| 157 | |
| 158 | parts = amazonS3HostHyphen.FindStringSubmatch(endpointURL.Hostname()) |
| 159 | if len(parts) > 1 { |
| 160 | return parts[1] |
| 161 | } |
| 162 | |
| 163 | parts = amazonS3ChinaHost.FindStringSubmatch(endpointURL.Hostname()) |
| 164 | if len(parts) > 1 { |
| 165 | return parts[1] |
| 166 | } |
| 167 | |
| 168 | parts = amazonS3ChinaHostDualStack.FindStringSubmatch(endpointURL.Hostname()) |
| 169 | if len(parts) > 1 { |
| 170 | return parts[1] |
| 171 | } |
| 172 | |
| 173 | parts = amazonS3HostPrivateLink.FindStringSubmatch(endpointURL.Hostname()) |
| 174 | if len(parts) > 1 { |
| 175 | return parts[1] |
| 176 | } |
| 177 | |
| 178 | parts = amazonS3HostExpress.FindStringSubmatch(endpointURL.Hostname()) |
| 179 | if len(parts) > 1 { |
| 180 | return parts[1] |
| 181 | } |
| 182 | |
| 183 | parts = amazonS3HostExpressControl.FindStringSubmatch(endpointURL.Hostname()) |
| 184 | if len(parts) > 1 { |
no outgoing calls