当我尝试获取Power Bi App拥有数据的访问令牌时,我遇到错误。我通过邮递员通过传递Power Bi Pro的gtrant_type,范围,资源,用户名和密码,client_id来对它进行测试。
有人可以给我正确解决此错误的方法吗?
{
"error": "invalid_grant",
"error_description": "AADSTS70002: Error validating credentials. AADSTS50126: Invalid username or password\r\nTrace ID: 72bcce14-c8e5-4a01-998e-622047583700\r\nCorrelation ID: 6e622466-1590-4458-836f-e71be2eb5fca\r\nTimestamp: 2018-10-16 19:04:20Z",
"error_codes": [
70002,
50126
],
"timestamp": "2018-10-16 19:04:20Z",
"trace_id": "72bcce14-c8e5-4a01-998e-622047583700",
"correlation_id": "6e622466-1590-4458-836f-e71be2eb5fca"
}
答案 0 :(得分:0)
您没有在问题中提供足够的细节。
假设您正在使用新的Power BI嵌入式基础结构V2 API。
using Microsoft.PowerBI.Api.V2;
在这种情况下,从MS的代码示例开始: https://github.com/Microsoft/PowerBI-Developer-Samples/tree/master/App%20Owns%20Data/PowerBIEmbedded_AppOwnsData
我在这里的HomController中获得令牌的方式与之相同:https://github.com/Microsoft/PowerBI-Developer-Samples/blob/master/App%20Owns%20Data/PowerBIEmbedded_AppOwnsData/Controllers/HomeController.cs
public async Task<ActionResult> EmbedReport(string username, string roles)
{
var result = new EmbedConfig();
try
{
result = new EmbedConfig { Username = username, Roles = roles };
var error = GetWebConfigErrors();
if (error != null)
{
result.ErrorMessage = error;
return View(result);
}
// Create a user password cradentials.
var credential = new UserPasswordCredential(Username, Password);
// Authenticate using created credentials
var authenticationContext = new AuthenticationContext(AuthorityUrl);
var authenticationResult = await authenticationContext.AcquireTokenAsync(ResourceUrl, ApplicationId, credential);
if (authenticationResult == null)
{
result.ErrorMessage = "Authentication Failed.";
return View(result);
}
var tokenCredentials = new TokenCredentials(authenticationResult.AccessToken, "Bearer");
// Create a Power BI Client object. It will be used to call Power BI APIs.
using (var client = new PowerBIClient(new Uri(ApiUrl), tokenCredentials))
{
// Get a list of reports.
var reports = await client.Reports.GetReportsInGroupAsync(WorkspaceId);
// No reports retrieved for the given workspace.
if(reports.Value.Count() == 0)
{
result.ErrorMessage = "No reports were found in the workspace";
return View(result);
}
Report report;
if (string.IsNullOrWhiteSpace(ReportId))
{
// Get the first report in the workspace.
report = reports.Value.FirstOrDefault();
}
else
{
report = reports.Value.FirstOrDefault(r => r.Id == ReportId);
}
if (report == null)
{
result.ErrorMessage = "No report with the given ID was found in the workspace. Make sure ReportId is valid.";
return View(result);
}
var datasets = await client.Datasets.GetDatasetByIdInGroupAsync(WorkspaceId, report.DatasetId);
result.IsEffectiveIdentityRequired = datasets.IsEffectiveIdentityRequired;
result.IsEffectiveIdentityRolesRequired = datasets.IsEffectiveIdentityRolesRequired;
GenerateTokenRequest generateTokenRequestParameters;
// This is how you create embed token with effective identities
if (!string.IsNullOrWhiteSpace(username))
{
var rls = new EffectiveIdentity(username, new List<string> { report.DatasetId });
if (!string.IsNullOrWhiteSpace(roles))
{
var rolesList = new List<string>();
rolesList.AddRange(roles.Split(','));
rls.Roles = rolesList;
}
// Generate Embed Token with effective identities.
generateTokenRequestParameters = new GenerateTokenRequest(accessLevel: "view", identities: new List<EffectiveIdentity> { rls });
}
else
{
// Generate Embed Token for reports without effective identities.
generateTokenRequestParameters = new GenerateTokenRequest(accessLevel: "view");
}
var tokenResponse = await client.Reports.GenerateTokenInGroupAsync(WorkspaceId, report.Id, generateTokenRequestParameters);
if (tokenResponse == null)
{
result.ErrorMessage = "Failed to generate embed token.";
return View(result);
}
// Generate Embed Configuration.
result.EmbedToken = tokenResponse;
result.EmbedUrl = report.EmbedUrl;
result.Id = report.Id;
return View(result);
}
}
catch (HttpOperationException exc)
{
result.ErrorMessage = string.Format("Status: {0} ({1})\r\nResponse: {2}\r\nRequestId: {3}", exc.Response.StatusCode, (int)exc.Response.StatusCode, exc.Response.Content, exc.Response.Headers["RequestId"].FirstOrDefault());
}
catch (Exception exc)
{
result.ErrorMessage = exc.ToString();
}
return View(result);
}