OpenID consumer implementation
REQUIRES EiffelStudio 7.2
This commit is contained in:
Jocelyn Fiat
@@ -1,265 +0,0 @@
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note
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description: "Summary description for {OPENID_CONSUMER_VALIDATION}."
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author: ""
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date: "$Date$"
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revision: "$Revision$"
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class
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OPENID_CONSUMER_VALIDATION
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create
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make_from_uri,
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make_from_string
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feature {NONE} -- Initialization
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make_from_uri (o: OPENID_CONSUMER; a_uri: URI)
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do
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openid := o
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uri := a_uri
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return_url := o.return_url
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create attributes.make (0)
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end
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make_from_string (o: OPENID_CONSUMER; a_uri: READABLE_STRING_8)
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do
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make_from_uri (o, create {URI}.make_from_string (a_uri))
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end
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uri: URI
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return_url: READABLE_STRING_8
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feature -- Access
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openid: OPENID_CONSUMER
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identity: detachable READABLE_STRING_8
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attributes: STRING_TABLE [READABLE_STRING_32]
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feature -- Basic operation
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validate
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-- Is openid identifier validated?
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local
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l_claimed_id: detachable READABLE_STRING_8
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tb: STRING_TABLE [detachable READABLE_STRING_32]
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cl: LIBCURL_HTTP_CLIENT
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ctx: detachable HTTP_CLIENT_REQUEST_CONTEXT
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ret: URI
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sess: HTTP_CLIENT_SESSION
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do
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is_valid := False
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create ret.make_from_string (return_url)
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create tb.make (5)
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if attached uri.decoded_query_items as q_lst then
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if attached item_by_name ("openid.claimed_id", q_lst) as q_claimed_id then
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l_claimed_id := q_claimed_id.as_string_8
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elseif attached item_by_name ("openid.identity", q_lst) as l_id then
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l_claimed_id := l_id
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end
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identity := l_claimed_id
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tb.force (item_by_name ("openid.assoc_handle", q_lst), "openid.assoc_handle")
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tb.force (item_by_name ("openid.signed", q_lst), "openid.signed")
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tb.force (item_by_name ("openid.sig", q_lst), "openid.sig")
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if attached item_by_name ("openid.ns", q_lst) as q_ns then
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-- We're dealing with an OpenID 2.0 server, so let's set an ns
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-- Even though we should know location of the endpoint,
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-- we still need to verify it by discovery, so $server is not set here
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tb.force ("http://specs.openid.net/auth/2.0", "openid.ns")
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elseif
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attached item_by_name ("openid.claimed_id", q_lst) as q_claimed_id
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and then (not attached item_by_name ("openid.identity", q_lst) as l_identity
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or else not q_claimed_id.same_string (l_identity))
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then
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-- If it's an OpenID 1 provider, and we've got claimed_id,
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-- we have to append it to the returnUrl, like authUrl_v1 does.
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ret.add_query_parameter ("openid.claimed_id", q_claimed_id)
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return_url := ret.string
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else
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end
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if
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attached item_by_name ("openid.return_to", q_lst) as q_return_to and then
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not return_url.same_string (q_return_to)
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then
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-- The return_to url must match the url of current request.
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-- I'm assuing that noone will set the returnUrl to something that doesn't make sense.
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-- False, FIXME, exception ...
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end
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if l_claimed_id /= Void then
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if
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attached openid.discovering_info (l_claimed_id) as d_info and then
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not openid.has_error and then not d_info.has_error
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then
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if attached item_by_name ("openid.signed", q_lst) as lst_signed then
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across
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lst_signed.split (',') as c
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loop
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tb.force (item_by_name ("openid." + c.item, q_lst), "openid." + c.item)
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end
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end
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tb.force ("check_authentication", "openid.mode")
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create cl.make
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create ctx.make
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across
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tb as c
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loop
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if attached c.item as l_value then
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ctx.add_form_parameter (c.key.to_string_32, l_value)
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end
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end
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sess := cl.new_session (d_info.server_uri)
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sess.set_is_insecure (True)
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if attached sess.post ("", ctx, Void) as res then
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if res.error_occurred then
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elseif attached {STRING} res.body as l_body then
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is_valid := l_body.substring_index ("is_valid:true", 1) > 0
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if is_valid then
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get_attributes (q_lst)
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end
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end
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end
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end
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end
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end
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end
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get_attributes (lst: LIST [TUPLE [name: READABLE_STRING_32; value: detachable READABLE_STRING_32]])
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local
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s: READABLE_STRING_32
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sreg_keys: ARRAYED_LIST [READABLE_STRING_32]
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do
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attributes.wipe_out
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get_sreg_attributes (lst)
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get_ax_attributes (lst)
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end
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get_sreg_attributes (lst: LIST [TUPLE [name: READABLE_STRING_32; value: detachable READABLE_STRING_32]])
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local
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s: READABLE_STRING_32
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sreg_keys: ARRAYED_LIST [READABLE_STRING_32]
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do
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if attached item_by_name ("openid.signed", lst) as l_signed then
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-- sreg attributes
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create sreg_keys.make (3)
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across
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l_signed.split (',') as c
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loop
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s := c.item
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if s.starts_with ("sreg.") then
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sreg_keys.force ("openid." + s)
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end
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end
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across
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sreg_keys as c
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loop
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s := c.item
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if attached item_by_name (s, lst) as v then
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attributes.force (v, s.substring (5, s.count))
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end
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end
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end
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end
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get_ax_attributes (lst: LIST [TUPLE [name: READABLE_STRING_32; value: detachable READABLE_STRING_32]])
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local
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s: READABLE_STRING_32
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ax_keys: ARRAYED_LIST [READABLE_STRING_32]
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l_alias: detachable READABLE_STRING_8
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k_value, k_type, k_count, k: STRING
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i: INTEGER
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do
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if attached item_by_name ("openid.signed", lst) as l_signed then
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-- ax attributes
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across
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l_signed.split (',') as c
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loop
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s := c.item
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if s.starts_with ("ns.") then
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if attached item_by_name (s, lst) as v then
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if s.same_string ("ns.ax") and v.same_string ("http://openid.net/srv/ax/1.0") then
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l_alias := "ax."
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else
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if v.same_string ("http://openid.net/srv/ax/1.0") then
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l_alias := s.substring (("ns.").count, s.count) + "."
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end
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end
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end
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end
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end
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if l_alias /= Void then
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create ax_keys.make (lst.count)
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across
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l_signed.split (',') as c
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loop
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s := c.item
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if s.starts_with (l_alias) then
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ax_keys.force ("openid." + s)
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end
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end
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k_value := "openid." + l_alias + "value."
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k_type := "openid." + l_alias + "type."
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k_count := "openid." + l_alias + "count."
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across
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ax_keys as c
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loop
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s := c.item
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if attached item_by_name (s, lst) as v then
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if s.starts_with (k_value) then
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k := s.substring (k_value.count + 1, s.count)
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i := k.index_of ('.', 1)
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if i > 1 then
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k.keep_head (i - 1)
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end
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if attached item_by_name (k_type + k, lst) as l_type then
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if l_type.starts_with ("http://axschema.org/") then
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check ("http://axschema.org/").count = 20 end
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attributes.force (v, l_type.substring (21, l_type.count))
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elseif l_type.starts_with ("http://schema.openid.net/") then
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check ("http://schema.openid.net/").count = 25 end
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attributes.force (v, l_type.substring (26, l_type.count))
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else
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-- unsupported schema domain.
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end
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else
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-- no alias !!!
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end
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end
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attributes.force (v, s.substring (5, s.count))
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end
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end
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end
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end
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end
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item_by_name (a_name: READABLE_STRING_32; lst: like {URI}.decoded_query_items): detachable READABLE_STRING_32
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local
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l_found: BOOLEAN
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do
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if lst /= Void then
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across
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lst as c
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until
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l_found
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loop
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if a_name.same_string (c.item.name) then
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Result := c.item.value
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l_found := True
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end
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end
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end
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end
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feature -- Access
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is_valid: BOOLEAN
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end
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