shrub/lib/oauth1.hoon
2016-03-11 11:49:36 -08:00

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:: OAuth 1.0 %authorization header
::
:::: /hoon/oauth1/lib
::
|%
++ keys cord:{key/@t sec/@t} :: app key pair
++ token :: user keys
$@ $~ :: none
$% {$request-token oauth-token/@t token-secret/@t} :: intermediate
{$access-token oauth-token/@t token-secret/@t} :: full
==
++ quay-enc (list tape):quay :: partially rendered query string
--
::
::::
::
|%
++ fass :: rewrite quay
|= a/quay
%+ turn a
|= {p/@t q/@t} ^+ +<
[(gsub '-' '_' p) q]
::
++ gsub :: replace chars
|= {a/@t b/@t t/@t}
^- @t
?: =('' t) t
%+ mix (lsh 3 1 $(t (rsh 3 1 t)))
=+ c=(end 3 1 t)
?:(=(a c) b c)
::
++ join
|= {a/cord b/(list cord)}
?~ b ''
(rap 3 |-([i.b ?~(t.b ~ [a $(b t.b)])]))
::
++ joint :: between every pair
|= {a/tape b/wall} ^- tape
?~(b b |-(?~(t.b i.b :(weld i.b a $(b t.b)))))
::
++ join-urle |=(a/(list tape) (joint "&" (turn a urle)))
:: query string in oauth1 'k1="v1", k2="v2"' form
++ to-header
|= a/quay ^- tape
%+ joint ", "
(turn a |=({k/@t v/@t} `tape`~[k '="' v '"'])) :: normalized later
::
:: partial tail:earn for sorting
++ encode-pairs
|= a/quay ^- quay-enc
%+ turn a
|= {k/@t v/@t} ^- tape
:(weld (urle (trip k)) "=" (urle (trip v)))
::
++ parse-pairs :: x-form-urlencoded
|= bod/(unit octs) ^- quay-enc
~| %parsing-body
?~ bod ~
(rash q.u.bod (more pam (plus ;~(less pam prn))))
::
++ post-quay
|= {a/purl b/quay} ^- hiss
=- [a %post - ?~(b ~ (some (tact +:(tail:earn b))))]
(my content-type+['application/x-www-form-urlencoded']~ ~)
::
::
++ mean-wall !.
|= {a/term b/tape} ^+ !!
=- (mean (flop `tang`[>a< -]))
(turn (lore (crip b)) |=(c/cord leaf+(trip c)))
::
++ dbg-post `purl`[`hart`[| `6.000 [%& /localhost]] `pork``/testing `quay`/]
++ bad-response |=(a/@u ?:(=(2 (div a 100)) | ~&(bad-httr+a &)))
++ quay-keys |-($@(knot {$ $})) :: improper tree
++ grab-quay :: ?=({@t @t @t} ((grab-quay *httr) %key1 %key2 %key3))
|* {a/httr b/quay-keys}
~| bad-quay+r.a
=+ quy=(rash q:(need r.a) yquy:urlp)
~| quy
=+ all=(malt quy)
%. b
|* b/quay-keys
?@ b ~|(b (~(got by all) b))
[(..$ -.b) (..$ +.b)]
::
++ parse-url
|= a/$@(cord:purl purl) ^- purl
?^ a a
~| bad-url+a
(rash a auri:epur)
::
++ interpolate-url
|= {a/$@(cord purl) b/(unit hart) c/(list (pair term knot))}
^- purl
?@ a $(a (parse-url a)) :: deal with cord
%_ a
p ?^(b u.b p.a)
q.q (interpolate-path q.q.a c)
==
::
++ interpolate-path :: [/a/:b/c [%b 'foo']~] -> /a/foo/c
|= {a/path b/(list (pair term knot))} ^- path
?~ a ?~(b ~ ~|(unused-values+b !!))
=+ (rush i.a ;~(pfix col sym))
?~ - [i.a $(a t.a)] :: not interpolable
?~ b ~|(no-value+u !!)
?. =(u p.i.b) ~|(mismatch+[u p.i.b] !!)
[q.i.b $(a t.a, b t.b)]
--
!:
::::
::
|= {request/$@(@t purl) dialog/$@(@t purl) code-exchange/$@(@t purl)}
=+ :+ dialog-url=(parse-url dialog)
exchange-url=(parse-url code-exchange)
token-reqs-url=(parse-url request)
|_ {done/* (bale keys) tok/token}
+- core-move $^({sec-move _done} sec-move) :: stateful
++ consumer-key key:decode-keys
++ consumer-secret sec:decode-keys
++ decode-keys :: XX from bale w/ typed %jael
^- {key/@t sec/@t $~}
?. =(~ `@`key)
~| %oauth-bad-keys
((hard {cid/@t cis/@t $~}) (lore key))
%+ mean-wall %oauth-no-keys
"""
Run |init-oauth1 {<`path`dom>}
If necessary, obtain consumer keys configured for a oauth_callback of
{(trip oauth-callback)}
"""
::
++ our-host .^(hart %e /(scot %p our)/host/fake)
++ oauth-callback
~& [%oauth-warning "Make sure this urbit ".
"is running on {(earn our-host `~ ~)}"]
%- crip %- earn
%^ interpolate-url 'https://our-host/~/ac/:domain/:user/in'
`our-host
:~ domain+(join '.' (flop dom))
user+(scot %ta usr)
==
::
::
++ toke-url
|= quy/quay ^- purl
%_ dialog-url
r (fass ?~(usr quy [screen-name+usr quy]))
==
::
++ token-exchange (post-quay exchange-url ~)
++ token-request (post-quay token-reqs-url oauth-callback+oauth-callback ~)
::
:: use token to sign authorization header. requires:
:: ++ res (res-handle-reqt handle-token) :: take request token
:: ++ bak (res-save-access handle-token) :: obtained access token
++ out-math
^- $-(hiss $%({$send hiss} {$show purl}))
?~ tok
_[%send (add-auth ~ token-request)]
?: ?=($request-token -.tok)
_[%show (toke-url oauth-token+oauth-token.tok ~)]
|= a/hiss ^- {$send hiss}
[%send (add-auth [oauth-token+oauth-token.tok]~ a)]
::
++ in-oauth-token
|= a/quay ^- sec-move
=. a (sort a aor)
?. ?=({{$'oauth_token' oauth-token/@t} {$'oauth_verifier' @t} $~} a)
~|(no-token+a !!)
?~ tok
~|(%no-secret-for-token !!)
?. =(oauth-token.tok oauth-token.q.i.a)
~| wrong-token+[id=usr q.i.a]
~|(%multiple-tokens-unsupported !!)
[%send (add-auth a token-exchange)]
::
++ token-response ['oauth_token' 'oauth_token_secret']
+- bak-save-access
|= handle/$-(token _done)
%- (res-parse token-response)
|= access-token/{tok/@t sec/@t} ^- core-move
[[%redo ~] (handle `token`[%access-token access-token])]
::
+- res-parse
|* para/quay-keys
|= handle/$-(_?~(para ~ (grab-quay *httr para)) core-move)
|= a/httr ^- core-move
?: (bad-response p.a)
[%give a]
:: [%redo ~] :: handle 4xx?
(handle (grab-quay a para))
::
++ res-give |=(a/httr [%give a])
+- res-handle-reqt
|= handle/$-(token _done) ^- $-(httr core-move)
?~ tok
(res-save-reqt handle)
res-give
::
+- res-save-reqt
|= handle/$-(token _done) ^- $-(httr core-move)
%- (res-parse token-response 'oauth_callback_confirmed')
|= {request-token/{tok/@t sec/@t} cof/term} ^- core-move
?. =(%true cof)
~|(%callback-rejected !!)
[[%redo ~] (handle `token`[%request-token request-token])]
::
::
++ add-auth
=< |= $: auq/quay :: extra oauth parameters
hiz/{purl meth hed/math (unit octs)}
==
^- hiss
~& add-auth+(earn -.hiz)
%_ hiz
hed (~(add ja hed.hiz) %authorization (authorization auq hiz))
==
|%
++ authorization
|= {auq/quay url/purl med/meth math bod/(unit octs)}
=^ quy url [r.url url(r ~)] :: query string handled separately
=. auq (fass (weld auq auth-quay))
=+ ^- qen/quay-enc :: semi-encoded for sorting
%+ weld (parse-pairs bod)
(encode-pairs (weld auq quy))
=+ bay=(base-string med url qen)
=+ sig=(sign signing-key bay)
=. auq ['oauth_signature'^(crip (urle sig)) auq]
(crip "OAuth {(to-header auq)}")
::
++ auth-quay
^- quay
:~ oauth-consumer-key+consumer-key
oauth-nonce+(scot %uw (shaf %non eny))
oauth-signature-method+'HMAC-SHA1'
oauth-timestamp+(rsh 3 2 (scot %ui (unt now)))
oauth-version+'1.0'
==
++ base-string
|= {med/meth url/purl qen/quay-enc} ^- tape
=. qen (sort qen aor)
%- join-urle
:~ (trip (cuss (trip `@t`med)))
(earn url)
(joint "&" qen)
==
++ sign
|= {key/cord bay/tape} ^- tape
(sifo (swap 3 (hmac key (crip bay))))
::
++ signing-key
%- crip
%- join-urle :~
(trip consumer-secret)
(trip ?^(tok token-secret.tok ''))
==
--
--