Feat/signing v2 first iteration

[dupuchba]

Here is the signing V2 method tested on simple db.

Note :

• signing v2 is not linked to anything else in the code righ now

• you can test it with this sample code

  (let [host "sdb.eu-west-1.amazonaws.com"
      access-key "MY-ACCESS-KEY"
      secret-key "MY-SECRET-KEY"
      domain-name "Name1"
      qp {"Action"           "CreateDomain"
          "AWSAccessKeyId"   access-key
          "DomainName"       domain-name
          "SignatureVersion" "2"
          "SignatureMethod"  "HmacSHA256"
          "Timestamp"        (.format (java.time.LocalDateTime/now (java.time.ZoneId/of "Z")) sigv2-x-amz-date-formatter)
          "Version"          "2009-04-15"}]
  (->> qp
       (sigv2-canonicalized-query-string :query-params)
       (sigv2-string-to-sign "POST" host "/")
       (sigv2-base-64-hmac-signature secret-key)
       (assoc qp "Signature")
       (assoc {:debug true :debug-body true :content-type "application/x-www-form-urlencoded"} :form-params)
  
       (clj-http.client/post (str "https://" host))))

Focus :

• go back to the query protocol and make requests work for every libs without serialization/deserialization