Public-facing SharePoint 2007 portal - authentication question - sharepoint-2007

I am involved in developing a portal with a public-facing side. For this i created a web application with windows authentication for intranet zone and after that, I created an extension for an internet zone with fba. In the internet extension we have the following requirement:
- able to acess to sharepoint backoffice using fba.
- have a authentication mecanism for portal visitors, where they can authenticate and acess to a page where they can subscribe the newsletter and define some site appearance (this users can't acess to sharepoint backoffice).
My idea is use the aspnet membership provider to authenticate both users and create diferente roles for them. Anyone suggests another approach? Is there any way to ensure that visitors (2 case) do not enter the backoffice portal?
Thanks

Yes you should be able to achieve what you want through permissions and FBA. You can great a couple of security groups, one for guest visitors, one for 'backoffice' visitors.
Assign the guests group permission to see the public section of the site, and the backoffice visitors can get permission to see the backoffice section.

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How do you automatically look up Microsoft teams app tenant id

We have created a Microsoft Teams tab app with bot integration that we want to distribute to various organizations either manually or via an App Store. In summary,
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Thank you.
The best place to get the tenant id is from the access token you are provided by logging in to your app. Look for the 'tid' value.
I'm assuming you are talking about stream lining the company wide admin consent for your application.
What you can do is have a web site that a customer's admin can log into (using standard Microsoft OAuth interactive flow). You can then pull the Tenant ID from the access token and then run through the Microsoft consent process. Once consent process redirected back to your web site, you can do your own customer onboarding if required.

How do I scope and obtain admin authorization for my Microsoft Graph API daemon from my admin team?

I have a specific SharePoint site that I have been asked to integrate my web based application with in a read-only fashion using my backend server.
I currently have an app with Default Directory only (Single tenant) access
which I am modifying Application API permissions to also require Sites.Selected, however this one is requiring that I obtain Admin consent
I have had an absolute atrocious time trying to figure out how to obtain access to my specific site and not grant access to every single site in my tenant
I'm working on a dummy azure account prior to asking my ops team for the real permissions from the real ecosystem, but I dont have a sharepoint site to test on because I dont know how to set it up, the IT department team who manages it is very slow to answer so its difficult to move the ball forward without knowing exactly what I need before asking.
Under "Enterprise Applications" > {My Application Name } > Permissions (left sidebar), i see a big blue button that I read about in some docs, but i'm scared to grant the permissions because it says I give my app access to the default directory which I don't want to do, and it provides nowhere for me to specify my "selected" site
does anyone have more information on how I can grant a specific site to my app?
every article I run to talks about admin confirmation but neglects to tell me specifically how it's done
Default Directory is just a default name for your tenant, and not related to any default collection of sites. See my tenant name v6pz1 in the image
For this Sites.Selected permission, it's a 2-step process for giving your app access to the sites.
The app needs to be given permission to the site at the SharePoint level
The app needs to be granted admin consent to access the sites through the Graph API
You see this described in the MS Graph permissions reference table as well.
Allow the application to access a subset of site collections without a signed in user. The specific site collections and the permissions granted will be configured in SharePoint Online.
To actually grant your app the SharePoint permission to a site, you can use the MS Graph endpoint to create permissions

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I have an existing MVC application that authenticates users using their Google, Facebook or Microsoft (live) accounts. The application is derived from the basic MVC template, and the 'Individual Accounts' option was chosen. This all works fine.
We have had a request/requirement that we also support Microsoft Work Accounts, authenticated against Azure AD. We have developed a second test MVC application, using the 'Organisational Accounts' from the template and can successfully get the user details, including extended details such as Manager and Office from AD.
However we are struggling to understand how to combine the two options, and still get the extended details. We've added a OpenIdConnect option in the Startup.Auth file, pointing to AAD and they works, getting hold of the users main login only. We are struggling to then use that email to obtain the user's full information

Office 365 Outlook Calendar : How to access multiple user's calendar in a single ASP.NET MVC application?

We are trying to implement a calendar portal (C# ASP.NET MVC) where one admin can see multiple outlook(or office 365) users calendar and see who is available. So multiple accounts should be accessed from one ASP.NET MVC application.
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Second question : What would be the right approach?
Third question : Is there any project available from Microsoft or article? (I could find any good one)
I have had gone through Using Azure Multi-Tenant application without an Office 365 subscription to access users calendar information and https://www.youtube.com/watch?v=0kvDyl5HShA.
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Currently, we have this subscription. If any more information required then please comment. Then I will add more description as per necessary.
Thank you.
You could try to build Daemon or Service Apps using client credential grant flow as described in this blog, the service app that requires admin consent, but is authorized to access any user's mailbox/calendar information in your Office 365 tenant. You could click here for sample web app that uses client credential flow to access Users, Mail, Calendar, Contacts in Office 365 via Rest APIs .
This link you provided needs to associate your Office 365 account with Azure AD to create and manage apps .If you can have an existing Microsoft Azure subscription, you can associate your Office 365 for business subscription with it. .Otherwise, you'll need to create a new Azure subscription and associate it with your Office 365 account in order to register and manage apps. For more details ,please read how to set up your Office 365 development environment.

Transparent LiveConnect OAuth 2.0 authentication possible?

I am currently working on an application that allows users to upload/download files. My company wants to have user files stored in their One Drive and not on our server. The only problem with this is that we want to avoid double authentication in order to access their OneDrive account.
For example we have n users associated with an organization. This organization has a single OneDrive account that all of the users will share (legal?). Once a user authenticates to our application, the idea is to have our application sign them in without user interaction by using the Live API so that they may access their organizations files.
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It's not a big deal for us to do this once for every organization when setting up their account but a requirement is to avoid double authentication. We want the OneDrive storage to be transparent to the user.
Does this violate any of Microsoft's Terms and Conditions?
Thanks! Any input is appreciated as I've never worked on a cloud based application before. If OneDrive isn't a viable solution are there any other recommended services my company could look at?
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OneDrive for Business uses the SharePoint developer APIs: http://blogs.msdn.com/b/sharepointdev/archive/2013/08/13/access-skydrive-pro-using-the-sharepoint-2013-apis.aspx
I found that the Box API does not support a grant type of passworrd. Neither does OneDrive or DropBox. Without this grant type it is impossible to sent a username and password to log a user in.

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