parsav  Diff

Differences From Artifact [78b2aad470]:

• File session.t — part of check-in [d4ecea913f] at 2020-12-31 00:15:53 on branch trunk — add lots more shit (user: lexi, size: 2205) [annotate] [blame] [check-ins using]

To Artifact [c79e9ffb10]:

• File session.t — part of check-in [78b0198f09] at 2021-01-04 06:44:13 on branch trunk — add likes, retweets, and iterate on a whole bunch of other shit (user: lexi, size: 2207) [annotate] [blame] [check-ins using]

     2      2   -- sessions are implemented so as to avoid any local data storage. they
     3      3   -- are tracked by storing an encrypted cookie which contains an authid,
     4      4   -- a login epoch time, and a truncated hmac code authenticating both, all
     5      5   -- encoded using Shorthand. we need functions to generate and parse these
     6      6   
     7      7   local m = {
     8      8   	maxlen = lib.math.shorthand.maxlen*3 + 2;
     9         -	maxage = 2 * 60 * 60; -- 2 hours
            9  +	maxage = 16 * 60 * 60; -- 16 hours
    10     10   	cookiename = 'auth';
    11     11   }
    12     12   
    13     13   terra m.cookie_gen(secret: lib.mem.ptr(int8), authid: uint64, time: uint64, out: &int8): intptr
    14     14   	var ptr = out
    15     15   	ptr = ptr + lib.math.shorthand.gen(authid, ptr)
    16     16   	@ptr = @'.' ptr = ptr + 1