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Merge pull request #1673 from hmcts/PAY-6704-API-Policy-Update-APIM
PAY-6704: Update to API Policy and corrections to subscriptions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 1.7.5 | ||
| 1.8.5 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| <policies> | ||
| <backend> | ||
| <base/> | ||
| </backend> | ||
| <inbound> | ||
| <base/> | ||
| <choose> | ||
| <when condition="@(context.Request.Headers["X-ARR-ClientCertThumbprint"] == null)"> | ||
| <return-response> | ||
| <set-status code="401" /> | ||
| <set-body>Missing client certificate.</set-body> | ||
| </return-response> | ||
| </when> | ||
| <when condition="@(!(new string[] {${allowed_certificate_thumbprints}}.Contains(context.Request.Headers["X-ARR-ClientCertThumbprint"].First().ToUpperInvariant())))"> | ||
| <return-response> | ||
| <set-status code="401" /> | ||
| <set-body>Invalid client certificate.</set-body> | ||
| </return-response> | ||
| </when> | ||
| <!-- <when condition="@(context.Request.Certificate == null || context.Request.Certificate.NotAfter < DateTime.Now || context.Request.Certificate.NotBefore > DateTime.Now || !(new string[] {${allowed_certificate_thumbprints}}.Any(c => c == context.Request.Certificate.Thumbprint)))" >--> | ||
| <!-- <return-response>--> | ||
| <!-- <set-status code="401" />--> | ||
| <!-- <set-body>Invalid client certificate. Please check expiry.</set-body>--> | ||
| <!-- </return-response>--> | ||
| <!-- </when>--> | ||
| </choose> | ||
| <!-- generate totp --> | ||
| <set-variable name="client_id" value="${s2s_client_id}" /> | ||
| <set-variable name="client_secret" value="${s2s_client_secret}" /> | ||
| <set-variable name="one_time_password" value="@{ | ||
| const string Base32AllowedCharacters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"; | ||
| var bits = "${s2s_client_secret}".ToUpper().ToCharArray().Select(c => Convert.ToString(Base32AllowedCharacters.IndexOf(c), 2).PadLeft(5, '0')).Aggregate((a, b) => a + b); | ||
| var secretKeyBytes = Enumerable.Range(0, bits.Length / 8).Select(i => Convert.ToByte(bits.Substring(i * 8, 8), 2)).ToArray(); | ||
| var unixTimestamp = (long) (DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds; | ||
| var timeIndex = unixTimestamp / 30; | ||
| byte[] challenge = BitConverter.GetBytes(timeIndex); | ||
| if (BitConverter.IsLittleEndian) { | ||
| Array.Reverse(challenge); | ||
| } | ||
| HMACSHA1 hmac = new HMACSHA1(secretKeyBytes); | ||
| byte[] hash = hmac.ComputeHash(challenge); | ||
| int offset = hash[19] & 0xf; | ||
| int truncatedHash = hash[offset] & 0x7f; | ||
| for (int i = 1; i < 4; i++) | ||
| { | ||
| truncatedHash <<= 8; | ||
| truncatedHash |= hash[offset + i] & 0xff; | ||
| } | ||
| truncatedHash %= 1000000; | ||
| return truncatedHash.ToString("D6"); | ||
| }"/> | ||
| <send-request ignore-error="false" timeout="20" response-variable-name="s2sBearerToken" mode="new"> | ||
| <set-url>${s2s_base_url}/lease</set-url> | ||
| <set-method>POST</set-method> | ||
| <set-header name="Content-Type" exists-action="override"> | ||
| <value>application/json</value> | ||
| </set-header> | ||
| <set-body>@{ | ||
| return new JObject( | ||
| new JProperty("microservice", (string)context.Variables["client_id"]), | ||
| new JProperty("oneTimePassword", (string)context.Variables["one_time_password"]) | ||
| ).ToString(); | ||
| }</set-body> | ||
| </send-request> | ||
|
|
||
| <set-header name="ServiceAuthorization" exists-action="override"> | ||
| <value>@("Bearer " + ((IResponse)context.Variables["s2sBearerToken"]).Body.As<string>())</value> | ||
| </set-header> | ||
| </inbound> | ||
| <outbound> | ||
| <base/> | ||
| </outbound> | ||
| <on-error> | ||
| <base/> | ||
| </on-error> | ||
| </policies> |