oauth requests with URL realms result in function_clause error in HTTP request
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Key: COUCHDB-1144
URL: https://issues.apache.org/jira/browse/COUCHDB-1144
Project: CouchDB
Issue Type: Bug
Components: HTTP Interface
Affects Versions: 1.0.2, 1.1
Environment: OSX - branch 1.1 - r1095237
Reporter: Joan Touzet
Priority: Critical
As illustrated in this Wireshark packet dump, lines 53ff, any OAuth request
with a URL as the realm will return a 500 error:
http://friendpaste.com/3vXPjHP6s7dLZjsj7DOfSH
Erlang stacktrace is similar to:
[error] [<0.189.0>] function_clause error in HTTP request [Wed, 27 Apr 2011
23:31:46 GMT] [info] [<0.189.0>] Stacktrace:
[{oauth_uri,decode, ["://127.0.0.1:5984","ptth"]},
{oauth_uri,param_from_header_string,1},
{oauth_uri,
'-params_from_header_string/1-lc$^0/1-0-',
1},
{couch_httpd_oauth,serve_oauth,3},
{couch_httpd,authenticate_request,2},
{couch_httpd,handle_request_int,5},
{mochiweb_http,headers,5},
{proc_lib,init_p_do_apply,3}] [Wed, 27 Apr 2011
23:31:46 GMT] [info] [<0.189.0>] 127.0.0.1 - - 'PUT'
/test_c_project/16f74c25-d641-4710-8f38-18295a8a69b1 500
Chatted with benoitc today and he suggested this may be because the realm is
not being properly encoded before being passed on.
By default, some OAuth libraries such as python's popular oauth2 library always
set the realm of a request to the URL of the resource being accessed, such as
http://localhost:5984/ . (In fact, oauth2 library does not support overriding
this setting.) The OAuth spec @ http://oauth.net/core/1.0/ also shows realms
specified as URLs. RFC5849 states "The OPTIONAL "realm" parameter MAY be added
and interpreted per [RFC2617] section 1.2.", which in turn says the realm is
any quoted-string.
It seems that this may already be fixed in trunk simply because trunk has a
newer version of the upstream erlang-oauth.
A JS test could be added in futon to validate this by modifying function
oauthRequest to accept a realm parameter, then passing that down to
OAuth.getAuthorizationHeader on line 56.
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