package awso-async

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in-package search v0.2.0

AWS client for Async (400+ services, auto-generated from botocore)

Install

dune-project

Dependency

github.com Readme Changelog MIT License Edit opam file Versions (2)

Authors

Maintainers

M

Michael Bacarella <m@bacarella.com>

Sources

awso-0.9.1.tbz

sha256=e0e7510192b7e45871cff5c60e5162a77a9fa103b6924136fb1fea5db2092b26

sha512=51a18cf74c122b021bd84ef5728b7c5b2d5e767f03d5cd2387d886edc34a68cf54a3183e2d6c4939b4c8d3e0c0e406c869d019f2ee9a0903ae4cf7ca725572f0

doc/src/awso-async.sts/sts.ml.html

Source file `sts.ml`

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open! Values
open! Core
open Ppx_yojson_conv_lib.Yojson_conv.Primitives
open! Async

module Statement = struct
  type effect_ =
    | Accept
    | Deny
  [@@deriving yojson]

  type action = string list [@@deriving yojson]
  type resource = string list [@@deriving yojson]

  let effect_to_string = function
    | Accept -> "Allow"
    | Deny -> "Deny"
  ;;

  let default_effect = Accept
  let default_sid = "solvuu"

  (* TODO what is this ? *)
  type t =
    { sid : string
    ; effect_ : effect_
    ; action : action
    ; resource : resource
    }
  [@@deriving yojson]

  let create ?(effect_ = default_effect) ?(sid = default_sid) ~action ~resource () =
    { sid; effect_; action; resource }
  ;;

  (* FIXME: Below comment says we're avoiding a dependency on yojson. However, the mli
     refers to Yojson so we're not.

     Manually compile json string to temporarily avoid yojson dependency *)
  let to_json t =
    `Assoc
      [ "Sid", `String t.sid
      ; "Effect", `String (effect_to_string t.effect_)
      ; "Action", `List (List.map ~f:(fun s -> `String s) t.action)
      ; "Resource", `List (List.map ~f:(fun s -> `String s) t.resource)
      ]
  ;;

  let to_json_all l = `List (List.map ~f:to_json l)
end

module Policy = struct
  type t =
    { version : string
    ; statement : Statement.t list
    }
  [@@deriving yojson]

  let to_json t =
    `Assoc
      [ "Version", `String t.version; "Statement", Statement.to_json_all t.statement ]
  ;;

  let create ?(version = "2012-10-17") statement =
    let t = { version; statement } in
    Log.Global.debug "policy as json: %s" (to_json t |> Yojson.Safe.to_string);
    t
  ;;
end

let assume_role
      ?(policy : Policy.t option)
      ?retry_delay
      ?retry_cnt
      ?duration_sec
      ~session_name
      ~role
      cfg
  =
  Awso_async.Import.with_retries ?retry_delay ?retry_cnt (fun () ->
    match%bind
      Io.assume_role
        ~cfg
        (AssumeRoleRequest.make
           ~roleArn:(ArnType.make role)
           ~roleSessionName:(RoleSessionNameType.make session_name)
           ?durationSeconds:
             (Option.map duration_sec ~f:RoleDurationSecondsType.make)
           ?policy:
             (Option.map
                ~f:(fun x ->
                  Policy.to_json x
                  |> Yojson.Safe.to_string
                  |> SessionPolicyDocumentType.make)
                policy)
           ())
    with
    | Ok v -> return v
    | Error _ -> failwithf "sts.assume_role" ())
;;

let assume_role_with_saml
      ?(policy : Policy.t option)
      ?retry_delay
      ?retry_cnt
      ?duration_sec
      ~principal_arn
      ~saml_assertion
      ~role
      cfg
  =
  Awso_async.Import.with_retries ?retry_delay ?retry_cnt (fun () ->
    match%bind
      Io.assume_role_with_s_a_m_l
        ~cfg
        (AssumeRoleWithSAMLRequest.make
           ~principalArn:principal_arn
           ~sAMLAssertion:saml_assertion
           ~roleArn:(ArnType.make role)
           ?durationSeconds:
             (Option.map duration_sec ~f:RoleDurationSecondsType.make)
           ?policy:
             (Option.map
                ~f:(fun x ->
                  Policy.to_json x
                  |> Yojson.Safe.to_string
                  |> SessionPolicyDocumentType.make)
                policy)
           ())
    with
    | Ok v -> return v
    | Error _ -> failwithf "sts.assume_role" ())
;;