blob: 2293cb48b03d4b2450a413170ed386d996cb426f [file]
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
use t::APISIX 'no_plan';
log_level('debug');
repeat_each(1);
no_long_string();
no_root_location();
add_block_preprocessor(sub {
my ($block) = @_;
if (!defined $block->request) {
$block->set_value("request", "GET /t");
}
# every block here drives resty.openidc into an error path on purpose,
# which logs at [error]; assert on the specific message instead
if ((!defined $block->error_log) && (!defined $block->no_error_log)) {
$block->set_value("no_error_log", "no such assertion");
}
});
run_tests();
__DATA__
=== TEST 1: create a route protected by openid-connect
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/oidc12',
ngx.HTTP_PUT,
[[{
"uri": "/oidc12/*",
"plugins": {
"openid-connect": {
"client_id": "apisix",
"client_secret": "secret",
"discovery": "http://127.0.0.1:8080/realms/basic/.well-known/openid-configuration",
"redirect_uri": "http://127.0.0.1:1984/oidc12/callback",
"ssl_verify": false,
"session": {
"secret": "6S8IO+A+6KJsdazbjNyG7g=="
}
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- response_body
passed
=== TEST 2: a callback reporting a temporarily unavailable IDP restarts the flow
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local base = "http://127.0.0.1:" .. ngx.var.server_port
local function cookie_of(res)
local c = res.headers["Set-Cookie"]
if type(c) == "table" then
c = table.concat(c, "; ")
end
return c and c:match("^([^;]+)")
end
-- start a login flow and keep the session cookie
local res_a = http.new():request_uri(base .. "/oidc12/page")
local state = res_a.headers["Location"]:match("state=([^&]+)")
local jar = cookie_of(res_a)
-- the ID provider redirects back with an error instead of a code,
-- e.g. the user's login session expired at the IDP
local res_b = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired&state=" .. state, {
headers = {Cookie = jar}
})
ngx.say(res_b.status, " ", tostring(res_b.headers["Location"]))
}
}
--- response_body
302 /oidc12/page
--- error_log
restarting the authentication flow
=== TEST 3: a callback with a different IDP error still fails with 500
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local base = "http://127.0.0.1:" .. ngx.var.server_port
local function cookie_of(res)
local c = res.headers["Set-Cookie"]
if type(c) == "table" then
c = table.concat(c, "; ")
end
return c and c:match("^([^;]+)")
end
local res_a = http.new():request_uri(base .. "/oidc12/page")
local state = res_a.headers["Location"]:match("state=([^&]+)")
local jar = cookie_of(res_a)
-- access_denied reflects a deliberate outcome, not a transient
-- failure, so it must not be silently retried
local res_b = http.new():request_uri(
base .. "/oidc12/callback?error=access_denied" ..
"&error_description=user+denied+access&state=" .. state, {
headers = {Cookie = jar}
})
ngx.say(res_b.status)
}
}
--- response_body
500
=== TEST 4: a non-GET callback reporting a temporarily unavailable IDP still fails with 500
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local base = "http://127.0.0.1:" .. ngx.var.server_port
local function cookie_of(res)
local c = res.headers["Set-Cookie"]
if type(c) == "table" then
c = table.concat(c, "; ")
end
return c and c:match("^([^;]+)")
end
local res_a = http.new():request_uri(base .. "/oidc12/page")
local state = res_a.headers["Location"]:match("state=([^&]+)")
local jar = cookie_of(res_a)
local res_b = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired&state=" .. state, {
method = "POST",
body = "",
headers = {Cookie = jar}
})
ngx.say(res_b.status)
}
}
--- response_body
500
=== TEST 5: a callback reporting a temporarily unavailable IDP without a session cookie still fails with 500
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local base = "http://127.0.0.1:" .. ngx.var.server_port
local res = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired&state=deadbeef")
ngx.say(res.status)
}
}
--- response_body
500
=== TEST 6: a callback error that keeps recurring stops being retried after 3 restarts
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local base = "http://127.0.0.1:" .. ngx.var.server_port
local function cookie_of(res)
local c = res.headers["Set-Cookie"]
if type(c) == "table" then
c = table.concat(c, "; ")
end
return c and c:match("^([^;]+)")
end
local res_a = http.new():request_uri(base .. "/oidc12/page")
local state = res_a.headers["Location"]:match("state=([^&]+)")
local jar = cookie_of(res_a)
-- the browser keeps following the restart redirect into the same
-- failure; each response carries the session cookie updated with
-- the restart count
local statuses = {}
for i = 1, 5 do
local res = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired&state=" .. state, {
headers = {Cookie = jar}
})
statuses[i] = res.status
jar = cookie_of(res) or jar
end
ngx.say(table.concat(statuses, " "))
}
}
--- response_body
302 302 302 500 500
=== TEST 7: a successful authentication resets the restart budget
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local concatenate_cookies = require("lib.keycloak").concatenate_cookies
local base = "http://127.0.0.1:" .. ngx.var.server_port
local function cookie_of(res)
local c = res.headers["Set-Cookie"]
if type(c) == "table" then
c = table.concat(c, "; ")
end
return c and c:match("^([^;]+)")
end
-- exhaust the restart budget on failing callbacks
local res_a = http.new():request_uri(base .. "/oidc12/page")
local state = res_a.headers["Location"]:match("state=([^&]+)")
local jar = cookie_of(res_a)
local statuses = {}
for i = 1, 4 do
local res = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired&state=" .. state, {
headers = {Cookie = jar}
})
statuses[i] = res.status
jar = cookie_of(res) or jar
end
-- complete a login in the same browser session: fresh flow,
-- Keycloak login form, then the code callback
local res_b = http.new():request_uri(base .. "/oidc12/page", {
headers = {Cookie = jar}
})
jar = cookie_of(res_b) or jar
local httpc = http.new()
local res_c = httpc:request_uri(res_b.headers["Location"])
local action, params = res_c.body:match('.*action="(.*)%?(.*)" method="post">')
params = params:gsub("&", "&")
local kc_cookies = concatenate_cookies(res_c.headers["Set-Cookie"])
local res_d = httpc:request_uri(action .. "?" .. params, {
method = "POST",
body = "username=jack&password=jack",
headers = {
["Content-Type"] = "application/x-www-form-urlencoded",
Cookie = kc_cookies
}
})
local res_e = http.new():request_uri(res_d.headers["Location"], {
headers = {Cookie = jar}
})
statuses[5] = res_e.status
jar = cookie_of(res_e) or jar
-- the authenticated request resets the budget; it passes the
-- plugin and reaches the mock upstream, which has no
-- /oidc12/page route, hence its 404
local res_f = http.new():request_uri(base .. "/oidc12/page", {
headers = {Cookie = jar}
})
statuses[6] = res_f.status
jar = cookie_of(res_f) or jar
-- ... so a later transient callback error is retried again. The
-- first flow's state is still in-flight (only the completed flow's
-- state was consumed), so the callback passes the state check.
local res_g = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired&state=" .. state, {
headers = {Cookie = jar}
})
statuses[7] = res_g.status
ngx.say(table.concat(statuses, " "))
}
}
--- response_body
302 302 302 500 302 404 302
=== TEST 8: a temporarily unavailable callback whose state was never issued is not retried
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local base = "http://127.0.0.1:" .. ngx.var.server_port
local function cookie_of(res)
local c = res.headers["Set-Cookie"]
if type(c) == "table" then
c = table.concat(c, "; ")
end
return c and c:match("^([^;]+)")
end
-- start a login flow so the session holds a valid in-flight state
local res_a = http.new():request_uri(base .. "/oidc12/page")
local state = res_a.headers["Location"]:match("state=([^&]+)")
local jar = cookie_of(res_a)
-- a forged callback (e.g. a cross-site request) carries a state the
-- session never issued, or none at all: it must not restart the
-- flow, so it cannot spend the restart budget of the real flow
local statuses = {}
local res_b = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired&state=deadbeef", {
headers = {Cookie = jar}
})
statuses[1] = res_b.status
local res_c = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired", {
headers = {Cookie = jar}
})
statuses[2] = res_c.status
-- the real flow's state is still accepted and still has its full
-- budget, so it restarts
local res_d = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired&state=" .. state, {
headers = {Cookie = jar}
})
statuses[3] = res_d.status
ngx.say(table.concat(statuses, " "))
}
}
--- response_body
500 500 302
=== TEST 9: a restart is not issued when the incremented counter cannot be persisted
--- config
location /t {
content_by_lua_block {
-- force session:save() to fail for any request carrying the
-- forcesavefail argument, so the callback below exercises the
-- persistence-failure path while the flow still starts normally
-- (rawset: the module and session tables are read-only)
local r_session = require("resty.session")
if not rawget(r_session, "_save_patched") then
local orig_start = r_session.start
rawset(r_session, "start", function(...)
local self, err = orig_start(...)
if self and ngx.var.arg_forcesavefail then
rawset(self, "save", function()
return nil, "forced save failure"
end)
end
return self, err
end)
rawset(r_session, "_save_patched", true)
end
local http = require "resty.http"
local base = "http://127.0.0.1:" .. ngx.var.server_port
local function cookie_of(res)
local c = res.headers["Set-Cookie"]
if type(c) == "table" then
c = table.concat(c, "; ")
end
return c and c:match("^([^;]+)")
end
-- start a login flow so the session holds a valid in-flight state
local res_a = http.new():request_uri(base .. "/oidc12/page")
local state = res_a.headers["Location"]:match("state=([^&]+)")
local jar = cookie_of(res_a)
-- the callback would restart, but the incremented counter cannot be
-- persisted; without it the cap cannot bound the loop, so the plugin
-- must fail closed instead of redirecting
local res_b = http.new():request_uri(
base .. "/oidc12/callback?error=temporarily_unavailable" ..
"&error_description=authentication_expired&forcesavefail=1" ..
"&state=" .. state, {
headers = {Cookie = jar}
})
ngx.say(res_b.status)
}
}
--- response_body
500
--- error_log
could not persist the restart counter