版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qq_23502409/article/details/89883950
public async Task<EmbedConfig> GetEmbedReportToken(string username, string roles, string ReportId)
{
var result = new EmbedConfig();
try
{
result = new EmbedConfig { Username = username, Roles = roles };
// 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);
var tokenCredentials = new TokenCredentials(authenticationResult.AccessToken, "Bearer");
using (var client = new PowerBIClient(new Uri(ApiUrl), tokenCredentials))
{
// Get a list of reports.
var reports = await client.Reports.GetReportsInGroupAsync(WorkspaceId);
if (reports.Value.Count() == 0)
{
result.ErrorMessage = "No reports were found in the workspace";
return result;
}
Microsoft.PowerBI.Api.V2.Models.Report report;
report = reports.Value.FirstOrDefault(r => r.Id.ToUpper().Equals(ReportId.ToUpper()));
if (report == null)
{
result.ErrorMessage = "No report with the given ID was found in the workspace. Make sure ReportId is valid.";
return result;
}
var datasets = await client.Datasets.GetDatasetByIdInGroupAsync(WorkspaceId, report.DatasetId);
result.IsEffectiveIdentityRequired = datasets.IsEffectiveIdentityRequired;
result.IsEffectiveIdentityRolesRequired = datasets.IsEffectiveIdentityRolesRequired;
GenerateTokenRequest generateTokenRequestParameters;
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 result;
}
result.EmbedToken = tokenResponse;
result.EmbedUrl = report.EmbedUrl;
result.Id = report.Id;
return 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 result;
}