Re: Anyone Using Microsoft Graph Calendar APIs from the IBM i? -- MIDRANGE-L

I have to admit that I'll need to talk to the Microsoft security expert
here (which I will do tomorrow). He had looked at the documentation, said
he didn't think we needed to do that (the callback), and he was right as
I'm now working with calendar events all over the place. The program is
getting the authorization directly.

I'll try to get back to you tomorrow.

On Wed, Apr 29, 2020 at 5:27 PM B Stone <bvstone@xxxxxxxxx> wrote:

Bruce,

Did you bypass the callback by using an invalid callback URI (or localhost)
and just copy the authorization code from the URI?

That's how I've done it for other places, and MS as well. Honestly, I
think that is sort of a security flaw... but who knows. :)

Bradley V. Stone
www.bvstools.com
MAILTOOL Benefit #18 <https://www.bvstools.com/mailtool.html>: Ability to
use SSL, TLS or OAuth 2.0 authentication. (OAuth 2.0 only available with
Google or Microsoft Office 365).

On Wed, Apr 29, 2020 at 4:13 PM Bruce Vining <bruce.vining@xxxxxxxxx>
wrote:

Just in case anyone finds this discussion, I do have Outlook cloud

calendar

creates, updates, and deletes working from the i. I am taking advantage

of

the httpapi and yajl support that's available (thanks Scott), and, hoping
that it will help someone some day, I'll simply say it wasn't that hard
(and that some of the Microsoft documentation is, well, not so great --

for

instance there isn't a need for a call back approach). My code, needless

to

say, is **free RPG.

On Tue, Apr 21, 2020 at 5:40 PM B Stone <bvstone@xxxxxxxxx> wrote:

I have written interfaces for a few Office APIs (email, SMTP,

OneDrive).

Not Calendar yet, though (but I did for Google Calendar) as I haven't

used

it personally or had requests for it.

You do need application permissions and OAuth 2.0 flow, which really is

the

most challenging part, especially since microsoft requires a callback

for

the initial OAuth authentication. (this can be skirted with a few

tricks,

though).

My GreenTools for Microsoft Apps (G4MS) now uses the Graph APIs for
everything as well, so creating a calendar hook wouldn't be terrible.

I

believe you could even use the G4MS base for OAuth 2.0 like I have set

up

for my Google API package as well. I could easily create a simple

calendar

package if you were interested with some basic functions.

Bradley V. Stone
www.bvstools.com
GreenTools for PayPal <https://www.bvstools.com/g4pp.html>: Easily

send

PayPal invoices from your IBM i applications using RPG ILE! Process
refunds, get account balances and more!

On Tue, Apr 21, 2020 at 3:31 PM Bruce Vining <bruce.vining@xxxxxxxxx>
wrote:

I have the need to create and maintain cloud based Outlook calendars

from

the i. The various calendar APIs (

https://docs.microsoft.com/en-us/graph/api/resources/calendar?view=graph-rest-1.0

)
seem sufficient but I do have questions on configuration and hope

someone

out there has been down this path before.

First some background. Various dates and times are maintained on

the i

related to the progress of orders. Some of these dates and times
correspond to meetings that need to be held involving several

individuals

(who will vary based on the specific order). All of these

individuals

do

use Office 365/Outlook calendar and currently operators on the i must
manually maintain these calendar entries whenever the date and/or

time

of

the meeting changes back in the i. What I want to do is capture the
database changes and basically feed them through a *DTAQ to a job (or

jobs)

that are using the Graph APIs to eliminate the manual approach

currently

being used. So far so good, all of the *DTAQ entries are getting

there

just fine. Now it’s time for the Microsoft Graph configuration work…

In reviewing the Graph documentation it appears that I want to use is
application permissions. Has anyone used such an approach? If so,

any

advice/examples/warnings to share? The company here has never set

anything

up for application permissions, I certainly never have, and I’m not
authorized to do any “playing around” on the Microsoft side so I need

to

get the configuration “right” the first time. There are many sites (

https://docs.microsoft.com/en-us/azure/active-directory/develop/quickstart-configure-app-access-web-apis

being
one) that talk about setting up application permissions but I’m

concerned

that my use of terminology doesn’t exactly fit with Microsoft use of
terminology, and there’s way too many warnings in the various sites

for

my

comfort (given my general feeling that I’m missing “something” due to

these

terminology/conceptual differences).

Any guidance from those who have been here before?

Thanks,

Bruce

PS – I’m confident that using the Graph APIs will be “educational”

and

I’m

comfortable with that. I just want to make sure I’m not going down a

bad

path in getting the two systems to talk with each other. That is,

getting

the basic networking configurations in place.

--
Thanks and Regards,
Bruce
931-505-1915
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--
Thanks and Regards,
Bruce
931-505-1915
--
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