private String generateSignature(Map<String, Object> params) {
final String stringToSign =
httpMethod.name()
+ "\n"
+ credentials.getApiHost().toLowerCase()
+ "\n"
+ path
+ "\n"
+ canonicalQueryString(params);
return Utils.getHash(credentials.getSecretKey(), stringToSign);
}
private Map<String, Object> getSignedParams() {
Map<String, Object> signedParams =
(data != null) ? new HashMap<>(data) : new HashMap<String, Object>();
if (factoryId != null) signedParams.put("factory_id", factoryId);
signedParams.put("access_key", credentials.getAccessKey());
signedParams.put("timestamp", timestamp != null ? timestamp : Utils.isoTimestamp());
Map<String, Object> additionalParams = new HashMap<>(signedParams);
additionalParams.remove("file");
String signature = generateSignature(additionalParams);
signedParams.put("signature", signature);
return signedParams;
}
private URL buildRequestUrl() throws IOException {
return new URL(apiProtocol().name(), credentials.getApiHost(), apiPort(), pathWithParams());
}
private String apiVersion() {
return "/v" + credentials.getApiVersion();
}
private int apiPort() {
return credentials.getApiPort() != 80 ? credentials.getApiPort() : -1;
}
private HttpProtocol apiProtocol() {
return credentials.isDefaultApiPort() ? HttpProtocol.HTTPS : HttpProtocol.HTTP;
}