source: perl/modules/Facebook/README @ c323405

Last change on this file since c323405 was c323405, checked in by Edward Z. Yang <ezyang@mit.edu>, 10 years ago
Comment reading support and back-timing. Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
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1NAME
2  Facebook.par - Facebook support for BarnOwl
3
4DESCRIPTION
5  The Facebook module implements Facebook support for BarnOwl.
6
7SYNOPSIS
8  (1) Create an empty file ~/.owl/facebook (you can use the command
9  `touch ~/.owl/facebook`), in order to enable the module.
10
11  (2) Run ":reload-module Facebook" inside BarnOwl.
12
13  (3) Follow the instructions in the admin message.  BarnOwl will
14  ask you to log in via an OAuth URL, and run ':facebook-auth'
15  with the resulting URL.  It will then ask you to record the
16  resulting access token in your ~/.owl/facebook file, so you do
17  not have to login on subsequent BarnOwl sesions.
18
19  This token is valid until you change your
20  Facebook password or you revoke permissions for Barnowl at:
21    http://www.facebook.com/settings/?tab=applications&app_id=235537266461636
22
23  (4) Start receiving wall updates in Barnowl!
24      You can post updates with the ":facebook" command.
25
26POLLING
27  Facebook.par polls for normal messages once a minute. To disable
28  polling, you can unset the 'facebook:poll' variable in BarnOwl.
29
30TODO
31  * Polling Facebook is pretty slow (on order of a second or more),
32    and blocks the entire BarnOwl interface.  We need to confront
33    Perl's threading demon.
34  * We currently expose the underlying post ID for disambiguating
35    instances.  Use something more user-friendly.
36  * No messaging support.
37  * No auto-completion support.
38  * No posting to an arbitrary user's wall.
39  * See code comments for more work items!
40
41TECHNICAL NOTES
42  This module uses 100% undeprecated Facebook Graph API, and should be
43  an interesting case study of how to implement a desktop application in
44  the new Facebook world order.  In particular, we do not use the old
45  infinite session keys trick described in
46  <http://www.emcro.com/blog/2009/01/facebook-infinite-session-keys-no-more/>,
47  instead, we use offline_access to get non-expiring tokens.
48
49  If we decide to extend our permissions to include read_friendlists
50  (for filtering) and rsvp_event (RSVP from BarnOwl), we will need
51  to make sure the UI for upgrading is correct.
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