mirror of
https://github.com/urbit/shrub.git
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d3711b53d9
Conflicts:
gen/twit/twitter-feed.hoon
lib/oauth1.hoon
lib/twitter.hoon
mar/twit/post.hoon
Extensive nonbreaching web API changes from Anton and Philip's trees.
Retroactive commit message for d030cde553:
Grab fixes for busted ford caused by no-longer-busted ++lore
330 lines
9.5 KiB
Plaintext
330 lines
9.5 KiB
Plaintext
:: OAuth 1.0 %authorization header
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::
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:::: /hoon/oauth1/lib
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::
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/+ interpolate, hep-to-cab
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|%
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++ keys cord:{key/@t sec/@t} :: app key pair
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++ token :: user keys
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$@ $~ :: none
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$% {$request-token oauth-token/@t token-secret/@t} :: intermediate
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{$access-token oauth-token/@t token-secret/@t} :: full
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==
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++ quay-enc (list tape):quay :: partially rendered query string
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--
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::
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::::
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::
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|%
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++ parse-url parse-url:interpolate
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++ join
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|= {a/cord b/(list cord)}
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?~ b ''
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(rap 3 |-([i.b ?~(t.b ~ [a $(b t.b)])]))
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::
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++ joint :: between every pair
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|= {a/tape b/wall} ^- tape
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?~(b b |-(?~(t.b i.b :(weld i.b a $(b t.b)))))
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::
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++ join-urle |=(a/(list tape) (joint "&" (turn a urle)))
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:: query string in oauth1 'k1="v1", k2="v2"' form
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++ to-header
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|= a/quay ^- tape
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%+ joint ", "
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(turn a |=({k/@t v/@t} `tape`~[k '="' v '"'])) :: normalized later
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::
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:: partial tail:earn for sorting
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++ encode-pairs
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|= a/quay ^- quay-enc
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%+ turn a
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|= {k/@t v/@t} ^- tape
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:(weld (urle (trip k)) "=" (urle (trip v)))
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::
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++ parse-pairs :: x-form-urlencoded
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|= bod/(unit octs) ^- quay-enc
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~| %parsing-body
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?~ bod ~
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(rash q.u.bod (more pam (plus ;~(less pam prn))))
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::
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++ post-quay
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|= {a/purl b/quay} ^- hiss
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=. b (quay:hep-to-cab b)
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=- [a %post - ?~(b ~ (some (tact +:(tail:earn b))))]
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(my content-type+['application/x-www-form-urlencoded']~ ~)
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::
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::
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++ mean-wall !.
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|= {a/term b/tape} ^+ !!
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=- (mean (flop `tang`[>a< -]))
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(turn (lore (crip b)) |=(c/cord leaf+(trip c)))
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::
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++ bad-response |=(a/@u ?:(=(2 (div a 100)) | ~&(bad-httr+a &)))
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++ quay-keys |-($@(knot {$ $})) :: improper tree
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++ grab-quay :: ?=({@t @t @t} (grab-quay r:*httr %key1 %key2 %key3))
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|* {a/(unit octs) b/quay-keys}
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=+ ~| bad-quay+a
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c=(rash q:(need `(unit octs)`a) yquy:urlp)
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~| grab-quay+[c b]
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=+ all=(malt c)
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%. b
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|* b/quay-keys
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?@ b ~|(b (~(got by all) b))
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[(..$ -.b) (..$ +.b)]
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--
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!:
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::::
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::
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|_ {(bale keys) tok/token}
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++ consumer-key key:decode-keys
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++ consumer-secret sec:decode-keys
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++ decode-keys :: XX from bale w/ typed %jael
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^- {key/@t sec/@t $~}
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?. =(~ `@`key)
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~| %oauth-bad-keys
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((hard {key/@t sec/@t $~}) (lore key))
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%+ mean-wall %oauth-no-keys
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"""
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Run |init-oauth1 {<`path`dom>}
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If necessary, obtain consumer keys configured for a oauth_callback of
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{(trip oauth-callback)}
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"""
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::
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++ exchange-token
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|= a/$@(@t purl) ^- hiss
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(post-quay (parse-url a) ~)
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::
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++ request-token
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|= a/$@(@t purl) ^- hiss
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(post-quay (parse-url a) oauth-callback+oauth-callback ~)
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::
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++ our-host .^(hart %e /(scot %p our)/host/fake)
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++ oauth-callback
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~& [%oauth-warning "Make sure this urbit ".
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"is running on {(earn our-host `~ ~)}"]
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%- crip %- earn
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%^ interpolate 'https://our-host/~/ac/:domain/:user/in'
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`our-host
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:~ domain+(join '.' (flop dom))
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user+(scot %ta usr)
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==
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::
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++ auth-url
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|= url/$@(@t purl) ^- purl
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%+ add-query:interpolate url
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%- quay:hep-to-cab
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?. ?=({$request-token ^} tok)
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~|(%no-token-for-dialog !!)
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:- oauth-token+oauth-token.tok
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?~(usr ~ [screen-name+usr]~)
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::
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++ grab-token-response
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|= a/httr ^- {tok/@t sec/@t}
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(grab-quay r.a 'oauth_token' 'oauth_token_secret')
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::
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++ identity
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%+ weld
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?~(usr "default identity for " "{(trip usr)}@")
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(trip (join '.' (flop dom)))
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::
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++ check-screen-name
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|= a/httr ^- ?
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=+ nam=(grab-quay r.a 'screen_name')
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?~ usr &
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?: =(usr nam) &
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=< |
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%- %*(. slog pri 1)
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(flop p:(mule |.(~|(wrong-user+[req=usr got=nam] !!))))
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::
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++ check-token-quay
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|= a/quay ^+ %&
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=. a (sort a aor)
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?. ?=({{$'oauth_token' oauth-token/@t} {$'oauth_verifier' @t} $~} a)
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~|(no-token+a !!)
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?~ tok
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%+ mean-wall %no-secret-for-token
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"""
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Attempting to authorize {identity}
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"""
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?. =(oauth-token.tok oauth-token.q.i.a)
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~| wrong-token+[id=usr q.i.a]
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~|(%multiple-tokens-unsupported !!)
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%&
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::
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++ auth
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|%
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++ header
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|= {auq/quay url/purl med/meth math bod/(unit octs)}
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^- cord
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=^ quy url [r.url url(r ~)] :: query string handled separately
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=. auq (quay:hep-to-cab (weld auq computed-query))
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=+ ^- qen/quay-enc :: semi-encoded for sorting
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%+ weld (parse-pairs bod)
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(encode-pairs (weld auq quy))
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=+ bay=(base-string med url qen)
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=+ sig=(sign signing-key bay)
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=. auq ['oauth_signature'^(crip (urle sig)) auq]
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(crip "OAuth {(to-header auq)}")
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::
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++ computed-query
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^- quay
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:~ oauth-consumer-key+consumer-key
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oauth-nonce+(scot %uw (shaf %non eny))
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oauth-signature-method+'HMAC-SHA1'
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oauth-timestamp+(rsh 3 2 (scot %ui (unt now)))
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oauth-version+'1.0'
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==
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++ base-string
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|= {med/meth url/purl qen/quay-enc} ^- tape
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=. qen (sort qen aor)
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%- join-urle
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:~ (trip (cuss (trip `@t`med)))
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(earn url)
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(joint "&" qen)
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==
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++ sign
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|= {key/cord bay/tape} ^- tape
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(sifo (swap 3 (hmac key (crip bay))))
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::
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++ signing-key
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%- crip
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%- join-urle :~
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(trip consumer-secret)
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(trip ?^(tok token-secret.tok ''))
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==
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--
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::
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++ add-auth-header
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|= {extra/quay request/{url/purl meth hed/math (unit octs)}}
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^- hiss
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:: =. url.request [| `6.000 [%& /localhost]] :: for use with unix nc
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~& add-auth-header+(earn url.request)
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%_ request
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hed
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(~(add ja hed.request) %authorization (header:auth extra request))
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==
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:: expected semantics, to be copied and modified if anything doesn't work
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++ standard
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|* {done/* save/$-(token *)} :: save/$-(token _done)
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|%
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++ save ^-($-(token _done) ^save) :: shadow(type canary)
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++ core-move $^({sec-move _done} sec-move) :: stateful
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::
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:: use token to sign authorization header. expects:
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:: ++ res res-handle-request-token :: save request token
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:: ++ in (in-token-exhange 'http://...') :: handle callback
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++ out-add-header
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|= {request-url/$@(@t purl) dialog-url/$@(@t purl)}
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::
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|= a/hiss ^- $%({$send hiss} {$show purl})
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?- tok
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$~
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[%send (add-auth-header ~ (request-token request-url))]
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::
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{$access-token ^}
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[%send (add-auth-header [oauth-token+oauth-token.tok]~ a)]
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::
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{$request-token ^}
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[%show (auth-url dialog-url)]
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==
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::
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:: If no token is saved, the http response we just got has a request token
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++ res-handle-request-token
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|= a/httr ^- core-move
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?^ tok [%give a]
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?. =(%true (grab-quay r.a 'oauth_callback_confirmed'))
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~|(%callback-rejected !!)
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=+ request-token=(grab-token-response a)
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[[%redo ~] (save `token`[%request-token request-token])]
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::
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:: Exchange oauth_token in query string for access token. expects:
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:: ++ bak bak-save-token :: save access token
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++ in-exchange-token
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|= exchange-url/$@(@t purl)
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::
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|= a/quay ^- sec-move
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?> (check-token-quay a)
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[%send (add-auth-header a (exchange-token exchange-url))]
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::
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:: If a valid access token has been returned, save it
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++ bak-save-token
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|= a/httr ^- core-move
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?: (bad-response p.a)
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[%give a] :: [%redo ~] :: handle 4xx?
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?. (check-screen-name a)
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[[%redo ~] (handle `token`~)]
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=+ access-token=(grab-token-response a)
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[[%redo ~] (save `token`[%access-token access-token])]
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--
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--
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::
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:::: Example "standard" sec/ core:
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::
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::
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:: ::
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:: :::: /hoon/my-api/com/sec
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:: ::
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:: /+ oauth1
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:: ::
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:: ::::
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:: ::
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:: |_ {bal/(bale keys:oauth1) tok/token:oauth1}
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:: ++ aut (~(standard oauth1 bal tok) . |=(tok/token:oauth1 +>(tok tok)))
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:: ++ out
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:: %+ out-add-header:aut
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:: request-token='https://my-api.com/request_token'
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:: oauth-dialog='https://my-api.com/authorize'
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:: ::
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:: ++ res res-handle-request-token:aut
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:: ++ in
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:: %- in-exchagne-token:aut
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:: exchange-url='https://my-api.com/access_token'
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:: ::
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:: ++ bak bak-save-token:aut
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:: --
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::
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::
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:::: Equivalent imperative code:
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::
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::
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:: ::
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:: :::: /hoon/my-api/com/sec
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:: ::
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:: /+ oauth1
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:: ::
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:: ::::
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:: ::
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:: |_ {bal/(bale keys:oauth1) tok/token:oauth1}
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:: ++ aut ~(. oauth1 bal tok)
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:: ++ out :: add header
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:: =+ aut
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:: |= req/hiss ^- $%({$send hiss} {$show purl})
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:: ?~ tok
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:: [%send (add-auth-header ~ (request-token 'https://my-api.com/request_token'))]
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:: ?: ?=($request-token -.tok)
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:: [%show (auth-url 'https://my-api.com/authorize')]
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:: [%send (add-auth-header [oauth-token+ouath-token.tok]~ req)]
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:: ::
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:: ++ res :: handle request token
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:: =+ aut
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:: |= res/httr ^- $%({{$redo $~} _..res} {$give httr})
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:: ?^ tok [%give a]
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:: ?> =(%true (grab r.res 'oauth_callback_confirmed'))
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:: =. tok [%request-token (grab-token-response res)]
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:: [[%redo ~] ..res]
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:: ::
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:: ++ in :: exchange token
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:: =+ aut
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:: |= inp/quay ^- {$send hiss}
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:: ?> (check-token-quay inp)
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:: :- %send
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:: (add-auth-header inp (exchange-token 'https://my-api.com/access_token'))
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:: ::
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:: ++ bak :: save token
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:: =+ aut
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:: |= bak/httr ^- $%({{$redo $~} _..bak} {$give httr})
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:: ?: (bad-response bak) [%give bak]
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:: =. tok [%access-token (grab-token-response res)]
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:: [[%redo ~] ..bak]
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:: --
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::
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