Hi Experts,
I have created a custom Power query connector for Procore with OAUTH2 authorization with autorization code as mentioned by procore developer team here ( following Microsoft's guide).
I am able to login and extract data but everytime I input a different URL as an source, the previous authentication becomes invalid and it again asks for authentication and keeps on asking whenever there is a new url.
I suspect my code is not able to refresh token and hence it keeps on asking for a new token. Can anyone guide me on how I can :
1. Make token refresh fuctionality to work in my code ? OR
2. Include all required tables\endpoints inside the connector code itself so that it will ingest all data in one go while connecting automatically.
Any help will be highly appreciated and I have spent ages over it.
Below is my code for your reference:
// This file contains your Data Connector logic
section ProcoreConnector;
// Procore OAuth2 values
client_id = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
client_secret = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
redirect_uri = "https://oauth.powerbi.com/views/oauthredirect.html";
token_uri = "https://login.procore.com/oauth/token";
authorize_uri = "https://login.procore.com/oauth/authorize";
logout_uri = "https://login.microsoftonline.com/logout.srf";
// Login modal window dimensions
windowWidth = 720;
windowHeight = 1024;
// OAuth2 scope
scope_prefix = "";
scopes = {
""
};
[DataSource.Kind="ProcoreConnector", Publish="ProcoreConnector.Publish"]
shared ProcoreConnector.Contents = (url as text) =>
let
source = Json.Document(Web.Contents(url))
in
source;
// Data Source Kind description
ProcoreConnector= [
TestConnection = (dataSourcePath) => { "ProcoreConnector.Contents", dataSourcePath },
Authentication = [
OAuth = [
StartLogin=StartLogin,
FinishLogin=FinishLogin,
Refresh=Refresh,
Logout=Logout
]
],
Label = Extension.LoadString("DataSourceLabel")
];
// Data Source UI publishing description
ProcoreConnector.Publish = [
Beta = true,
Category = "Other",
ButtonText = { Extension.LoadString("ButtonTitle"), Extension.LoadString("ButtonHelp") },
LearnMoreUrl = "https://developers.procore.com/",
SourceImage = ProcoreConnector.Icons,
SourceTypeImage = ProcoreConnector.Icons
];
// Helper functions for OAuth2: StartLogin, FinishLogin, Refresh, Logout
StartLogin = (resourceUrl, state, display) =>
let
authorizeUrl = authorize_uri & "?" & Uri.BuildQueryString([
response_type = "code",
client_id = client_id,
redirect_uri = redirect_uri
])
in
[
LoginUri = authorizeUrl,
CallbackUri = redirect_uri,
WindowHeight = 720,
WindowWidth = 1024,
Context = null
];
FinishLogin = (context, callbackUri, state) =>
let
// parse the full callbackUri, and extract the Query string
parts = Uri.Parts(callbackUri)[Query],
// if the query string contains an "error" field, raise an error
// otherwise call TokenMethod to exchange our code for an access_token
result = if (Record.HasFields(parts, {"error", "error_description"})) then
error Error.Record(parts[error], parts[error_description], parts)
else
TokenMethod("authorization_code", "code", parts[code])
in
result;
Refresh = (resourceUrl, refresh_token) => TokenMethod("refresh_token", "refresh_token", refresh_token);
Logout = (token) => logout_uri;
// see "Exchange code for access token: https://developers.procore.com/documentation/oauth-installed-apps for details
TokenMethod = (grantType, tokenField, code) =>
let
queryString = [
grant_type = "authorization_code",
redirect_uri = redirect_uri,
client_id = client_id,
client_secret = client_secret
],
queryWithCode = Record.AddField(queryString, tokenField, code),
tokenResponse = Web.Contents(token_uri, [
Content = Text.ToBinary(Uri.BuildQueryString(queryWithCode)),
Headers = [
#"Content-type" = "application/x-www-form-urlencoded",
#"Accept" = "application/json"
],
ManualStatusHandling = {400}
]),
body = Json.Document(tokenResponse),
result = if (Record.HasFields(body, {"error", "error_description"})) then
error Error.Record(body[error], body[error_description], body)
else
body
in
result;
ProcoreConnector.Icons = [
Icon16 = { Extension.Contents("ProcoreConnector16.png"), Extension.Contents("ProcoreConnector20.png"), Extension.Contents("ProcoreConnector24.png"), Extension.Contents("ProcoreConnector32.png") },
Icon32 = { Extension.Contents("ProcoreConnector32.png"), Extension.Contents("ProcoreConnector40.png"), Extension.Contents("ProcoreConnector48.png"), Extension.Contents("ProcoreConnector64.png") }
];
