private static async Task <int> ApplyProvisioningTemplate(string url, X509Certificate2 cert, ProvisioningTemplate template, TraceWriter log)
{
OfficeDevPnP.Core.AuthenticationManager authMgr = new OfficeDevPnP.Core.AuthenticationManager();
using (ClientContext targetCtx = authMgr.GetAzureADAppOnlyAuthenticatedContext(url, CLIENT_ID, TENANT, cert))
{
// Disable request timeout
targetCtx.RequestTimeout = Timeout.Infinite;
// Make sure our context is valid
targetCtx.Load(targetCtx.Web, w => w.Url, w => w.Title);
await targetCtx.ExecuteQueryRetryAsync();
log.Info($"Connected to targetUrl: {targetCtx.Web.Url}");
// Apply template, clear existing nav nodes
ProvisioningTemplateApplyingInformation ptai = new ProvisioningTemplateApplyingInformation();
ptai.ClearNavigation = true;
ptai.ProgressDelegate = delegate(String message, Int32 progress, Int32 total)
{
log.Info(string.Format("APPLY: {0:00}/{1:00} - {2}", progress, total, message));
};
log.Info($"Beginning applying PnP template");
targetCtx.Web.ApplyProvisioningTemplate(template, ptai);
log.Info($"Finished applying PnP template");
}
return(await Task.FromResult(0));
}
public static ClientContext GetContext(string siteUrl)
{
string thumbPrint = ConfigurationManager.AppSettings["thumbPrint"];
string tenant = ConfigurationManager.AppSettings["tenant"];
string applicationID = ConfigurationManager.AppSettings["applicationID"];
X509Certificate2 cert2 = null;
X509Store store = new X509Store(StoreName.My, StoreLocation.CurrentUser);
try
{
store.Open(OpenFlags.ReadOnly);
var col = store.Certificates.Find(X509FindType.FindByThumbprint, thumbPrint, false);
if (col == null || col.Count == 0)
{
}
cert2 = col[0];
}
catch (Exception ex)
{
throw ex;
}
finally
{
store.Close();
}
OfficeDevPnP.Core.AuthenticationManager authmanager = new OfficeDevPnP.Core.AuthenticationManager();
return(authmanager.GetAzureADAppOnlyAuthenticatedContext(siteUrl, applicationID, tenant, cert2));
}
private static async Task <ProvisioningTemplate> GetProvisioningTemplate(string url, X509Certificate2 cert, TraceWriter log)
{
ProvisioningTemplate template = null;
OfficeDevPnP.Core.AuthenticationManager authMgr = new OfficeDevPnP.Core.AuthenticationManager();
using (ClientContext sourceCtx = authMgr.GetAzureADAppOnlyAuthenticatedContext(url, CLIENT_ID, TENANT, cert))
{
// Disable request timeout
sourceCtx.RequestTimeout = Timeout.Infinite;
// Make sure our context is valid
sourceCtx.Load(sourceCtx.Web, w => w.Url, w => w.Title);
await sourceCtx.ExecuteQueryRetryAsync();
log.Info($"Connected to sourceUrl: {sourceCtx.Web.Url}");
// Extract template and hold in-memory
ProvisioningTemplateCreationInformation ptci = new ProvisioningTemplateCreationInformation(sourceCtx.Web);
ptci.ProgressDelegate = delegate(string message, Int32 progress, Int32 total)
{
log.Info(string.Format("EXTRACT: {0:00}/{1:00} - {2}", progress, total, message));
};
log.Info($"Beginning PnP template extraction");
template = sourceCtx.Web.GetProvisioningTemplate(ptci);
log.Info($"Finished PnP template extraction");
}
return(await Task.FromResult(template));
}
public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequestMessage req, TraceWriter log)
{
string thumbPrint = "Your ThumbPrint";
string siteUrl = "Your Url";
string tenant = "Your Tenant";
string applicationID = "Your App Id from Azure";
X509Certificate2 cert2 = null;
X509Store store = new X509Store(StoreName.My, StoreLocation.CurrentUser);
try
{
store.Open(OpenFlags.ReadOnly);
var col = store.Certificates.Find(X509FindType.FindByThumbprint, thumbPrint, false);
if (col == null || col.Count == 0)
{
return(null);
}
cert2 = col[0];
}
catch (Exception ex)
{
throw ex;
}
finally
{
store.Close();
}
OfficeDevPnP.Core.AuthenticationManager authmanager = new OfficeDevPnP.Core.AuthenticationManager();
using (ClientContext ctx = authmanager.GetAzureADAppOnlyAuthenticatedContext(siteUrl, applicationID, tenant, cert2))
{
ctx.Load(ctx.Web);
ctx.ExecuteQuery();
log.Info("Your Site Name is: " + ctx.Web.Title);
return(req.CreateResponse(HttpStatusCode.OK, $"Your Site Name is: " + ctx.Web.Title));
}
}
public static async Task RunAsync([QueueTrigger("processchanges", Connection = "AzureWebJobsStorage")] WebhookNotification notificationModel, ILogger log)
{
log.LogInformation($"ProcesResourceChange queue trigger function process Site:{notificationModel.SiteUrl} Resource{notificationModel.Resource} ");
string tenant = System.Environment.GetEnvironmentVariable("Tenant", EnvironmentVariableTarget.Process);
string siteUrl = $"https://{tenant}.sharepoint.com{notificationModel.SiteUrl}";
log.LogInformation("Getting Azure SharePoint Token");
LoginEntity loginDetails = await LoginUtil.CertificateLoginDetails();
OfficeDevPnP.Core.AuthenticationManager authManager = new OfficeDevPnP.Core.AuthenticationManager();
log.LogInformation("Connecting to SharePoint");
using (ClientContext clientContext = authManager.GetAzureADAppOnlyAuthenticatedContext(siteUrl, loginDetails.ClientId, loginDetails.Tenant, loginDetails.Certificate))
{
log.LogInformation("Getting SharePoint List");
Guid listId = new Guid(notificationModel.Resource);
List list = clientContext.Web.Lists.GetById(listId);
// grab the changes to the provided list using the GetChanges method
// on the list. Only request Item changes as that's what's supported via
// the list web hooks
ChangeQuery changeQuery = new ChangeQuery(false, false)
{
Item = true,
Add = true,
DeleteObject = false,
Update = true,
FetchLimit = 1000
};
ChangeToken lastChangeToken = null;
if (null == notificationModel.ClientState)
{
throw new ApplicationException("Webhook doesn't contain a Client State");
}
Guid id = new Guid(notificationModel.ClientState);
log.LogInformation("Checking Database for Change Token");
AzureTableSPWebHook listWebHookRow = await AzureTable.GetListWebHookByID(id, listId);
if (!string.IsNullOrEmpty(listWebHookRow.LastChangeToken))
{
log.LogInformation("Change Token found");
lastChangeToken = new ChangeToken
{
StringValue = listWebHookRow.LastChangeToken
};
}
//Start pulling down the changes
bool allChangesRead = false;
do
{
if (lastChangeToken == null)
{
log.LogInformation("Change Token not found grabbing the last 5 days of changes");
//If none found, grab only the last 5 day changes.
lastChangeToken = new ChangeToken
{
StringValue = string.Format("1;3;{0};{1};-1", notificationModel.Resource, DateTime.Now.AddDays(-5).ToUniversalTime().Ticks.ToString())
};
}
//Assing the change token to the query..this determins from what point in time we'll receive changes
changeQuery.ChangeTokenStart = lastChangeToken;
ChangeCollection changes = list.GetChanges(changeQuery);
clientContext.Load(list);
clientContext.Load(changes);
await clientContext.ExecuteQueryAsync();
if (changes.Count > 0)
{
log.LogInformation($"Found {changes.Count} changes");
foreach (Change change in changes)
{
lastChangeToken = change.ChangeToken;
if (change is ChangeItem item)
{
log.LogInformation($"Change {change.ChangeType} on Item:{item.ItemId} on List:{list.Title} Site:{notificationModel.SiteUrl}");
}
}
if (changes.Count < changeQuery.FetchLimit)
{
allChangesRead = true;
}
}
else
{
allChangesRead = true;
}
} while (allChangesRead == false);
if (!listWebHookRow.LastChangeToken.Equals(lastChangeToken.StringValue, StringComparison.InvariantCultureIgnoreCase))
{
listWebHookRow.LastChangeToken = lastChangeToken.StringValue;
log.LogInformation("Updating change token");
await AzureTable.InsertOrReplaceListWebHook(listWebHookRow);
}
if (notificationModel.ExpirationDateTime.AddDays(-30) < DateTime.Now)
{
bool updateResult = list.UpdateWebhookSubscription(new Guid(notificationModel.SubscriptionId), DateTime.Now.AddMonths(2));
if (!updateResult)
{
log.LogError($"The expiration date of web hook {notificationModel.SubscriptionId} with endpoint 'https://{Environment.GetEnvironmentVariable("WEBSITE_HOSTNAME")}/SharePointWebHook' could not be updated");
}
else
{
log.LogInformation($"The expiration date of web hook {notificationModel.SubscriptionId} with endpoint 'https://{Environment.GetEnvironmentVariable("WEBSITE_HOSTNAME")}/SharePointWebHook' successfully updated until {DateTime.Now.AddMonths(2).ToLongDateString()} ");
}
}
}
}
