PureBasic

AWS Secrets Manager - Get Secret Value

See more AWS Secrets Manager Examples

Retrieves the contents of the encrypted fields SecretString or SecretBinary from the specified version of a secret, whichever contains content. PureBasic

IncludeFile "CkStringBuilder.pb"
IncludeFile "CkAuthAws.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkRest.pb"

Procedure ChilkatExample()

    success.i = 0

    ; This example requires the Chilkat API to have been previously unlocked.
    ; See Global Unlock Sample for sample code.

    ; Sends the following sample request.
    ; Note: Chilkat will automatically add Content-Length, X-Amz-Date, Accept-Encoding, and Authorization

    ; POST / HTTP/1.1
    ; Host: secretsmanager.region.domain
    ; Accept-Encoding: identity
    ; X-Amz-Target: secretsmanager.GetSecretValue
    ; Content-Type: application/x-amz-json-1.1
    ; X-Amz-Date: <date>
    ; Authorization: AWS4-HMAC-SHA256 Credential=<credentials>,SignedHeaders=<headers>, Signature=<signature>
    ; Content-Length: <payload-size-bytes>
    ; 
    ; {
    ;   "SecretId": "MyTestDatabaseSecret",
    ; }

    rest.i = CkRest::ckCreate()
    If rest.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Connect to the Amazon AWS REST server.
    ; such as https://secretsmanager.us-west-2.amazonaws.com/
    bTls.i = 1
    port.i = 443
    bAutoReconnect.i = 1
    success = CkRest::ckConnect(rest,"secretsmanager.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)

    ; Provide AWS credentials for the REST call.
    authAws.i = CkAuthAws::ckCreate()
    If authAws.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkAuthAws::setCkAccessKey(authAws, "AWS_ACCESS_KEY")
    CkAuthAws::setCkSecretKey(authAws, "AWS_SECRET_KEY")
    ; the region should match our URL above..
    CkAuthAws::setCkRegion(authAws, "us-west-2")
    CkAuthAws::setCkServiceName(authAws, "secretsmanager")

    CkRest::ckSetAuthAws(rest,authAws)

    ; Use this online tool to generate code from sample JSON:
    ; Generate Code to Create JSON

    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateString(json,"SecretId","MyTestDatabaseSecret2")

    CkRest::ckAddHeader(rest,"Content-Type","application/x-amz-json-1.1")
    CkRest::ckAddHeader(rest,"X-Amz-Target","secretsmanager.GetSecretValue")

    sbRequestBody.i = CkStringBuilder::ckCreate()
    If sbRequestBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckEmitSb(json,sbRequestBody)
    sbResponseBody.i = CkStringBuilder::ckCreate()
    If sbResponseBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkRest::ckFullRequestSb(rest,"POST","/",sbRequestBody,sbResponseBody)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        CkJsonObject::ckDispose(json)
        CkStringBuilder::ckDispose(sbRequestBody)
        CkStringBuilder::ckDispose(sbResponseBody)
        ProcedureReturn
    EndIf

    respStatusCode.i = CkRest::ckResponseStatusCode(rest)
    Debug "response status code = " + Str(respStatusCode)

    jResp.i = CkJsonObject::ckCreate()
    If jResp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::setCkEmitCompact(jResp, 0)
    CkJsonObject::ckLoadSb(jResp,sbResponseBody)

    If respStatusCode >= 400
        Debug "Response Status Code = " + Str(respStatusCode)
        Debug "Response Header:"
        Debug CkRest::ckResponseHeader(rest)
        Debug "Response Body:"
        Debug CkJsonObject::ckEmit(jResp)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        CkJsonObject::ckDispose(json)
        CkStringBuilder::ckDispose(sbRequestBody)
        CkStringBuilder::ckDispose(sbResponseBody)
        CkJsonObject::ckDispose(jResp)
        ProcedureReturn
    EndIf

    Debug "Response Body:"
    Debug CkJsonObject::ckEmit(jResp)

    ; Sample response body:

    ; {
    ;   "ARN":"arn:aws:secretsmanager:us-west-2:123456789012:secret:MyTestDatabaseSecret-a1b2c3",
    ;   "CreatedDate":1.523477145713E9,
    ;   "Name":"MyTestDatabaseSecret",
    ;   "SecretString":"{\n  \"username\":\"david\",\n  \"password\":\"BnQw&XDWgaEeT9XGTT29\"\n}\n",
    ;   "VersionId":"EXAMPLE1-90ab-cdef-fedc-ba987SECRET1"
    ; }

    ; Use this online tool to generate parsing code from sample JSON: 
    ; Generate Parsing Code from JSON

    ARN.s = CkJsonObject::ckStringOf(jResp,"ARN")
    CreatedDate.s = CkJsonObject::ckStringOf(jResp,"CreatedDate")
    Name.s = CkJsonObject::ckStringOf(jResp,"Name")
    SecretString.s = CkJsonObject::ckStringOf(jResp,"SecretString")
    VersionId.s = CkJsonObject::ckStringOf(jResp,"VersionId")


    CkRest::ckDispose(rest)
    CkAuthAws::ckDispose(authAws)
    CkJsonObject::ckDispose(json)
    CkStringBuilder::ckDispose(sbRequestBody)
    CkStringBuilder::ckDispose(sbResponseBody)
    CkJsonObject::ckDispose(jResp)


    ProcedureReturn
EndProcedure