concatUserFlow method
Concatenates the user flow URL with additional parameters.
Implementation
String concatUserFlow(String url) {
const idClientParam = '&client_id=';
const nonceParam = '&nonce=defaultNonce&redirect_uri=';
const scopeParam = '&scope=';
const responseTypeParam = '&response_type=';
const promptParam = '&prompt=login';
const pageParam = '?p=';
const codeChallengeMethod =
'&code_challenge_method=${Constants.defaultCodeChallengeCode}';
final codeChallenge = "&code_challenge=${pkcePairInstance.codeChallenge}";
String newParameters = "";
if (widget.optionalParameters.isNotEmpty) {
for (OptionalParam param in widget.optionalParameters) {
newParameters += "&${param.key}=${param.value}";
}
}
return url +
pageParam +
widget.userFlowName +
idClientParam +
widget.clientId +
nonceParam +
widget.redirectUrl +
scopeParam +
createScopes(widget.scopes) +
responseTypeParam +
widget.responseType +
promptParam +
codeChallenge +
codeChallengeMethod +
newParameters;
}