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sanity_spec.lua
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local cjson = require "cjson.safe"
local dir = require "pl.dir"
local http = require "resty.http"
local pl_utils = require "pl.utils"
local server = require "spec.support.server"
local shell_blocking = require "shell-games"
describe("sanity", function()
before_each(server.stop)
after_each(server.stop)
it("issues a new SSL certificate and returns existing ones", function()
server.start()
do
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, server.ngrok_hostname, true)
assert.equal(nil, ssl_err)
local res, request_err = httpc:request({ path = "/foo" })
assert.equal(nil, request_err)
assert.equal(200, res.status)
local body, body_err = res:read_body()
assert.equal(nil, body_err)
assert.equal("foo", body)
local error_log = server.nginx_error_log_tail:read()
assert.matches("issuing new certificate for", error_log, nil, true)
end
do
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, server.ngrok_hostname, true)
assert.equal(nil, ssl_err)
local res, request_err = httpc:request({ path = "/foo" })
assert.equal(nil, request_err)
assert.equal(200, res.status)
local body, body_err = res:read_body()
assert.equal(nil, body_err)
assert.equal("foo", body)
local error_log = server.nginx_error_log_tail:read()
assert.Not.matches("issuing new certificate for", error_log, nil, true)
end
local error_log = server.read_error_log()
assert.Not.matches("[warn]", error_log, nil, true)
assert.Not.matches("[error]", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end)
it("returns the fallback SSL certificate when SNI isn't used", function()
server.start()
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, nil, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.read_error_log()
assert.matches("auto-ssl: could not determine domain for request (SNI not supported?) - using fallback - ", error_log, nil, true)
assert.Not.matches("[error]", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end)
it("disallows all domains for registration by default", function()
server.start({
auto_ssl_pre_new = [[
options["allow_domain"] = nil
]]
})
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, server.ngrok_hostname, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.read_error_log()
assert.matches("auto-ssl: domain not allowed - using fallback - " .. server.ngrok_hostname, error_log, nil, true)
assert.Not.matches("[error]", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end)
it("calls the allow_domain function which can perform more complex logic", function()
server.start({
auto_ssl_pre_new = [[
options["allow_domain"] = function(domain)
ngx.log(ngx.INFO, "allow_domain called: " .. domain)
if string.find(domain, "not-going-to-find") then
return true
else
return false
end
end
]],
})
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, server.ngrok_hostname, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.read_error_log()
assert.matches("allow_domain called: " .. server.ngrok_hostname, error_log, nil, true)
assert.matches("auto-ssl: domain not allowed - using fallback - " .. server.ngrok_hostname, error_log, nil, true)
assert.Not.matches("[error]", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end)
it("options can also be set with the set() function after new()", function()
server.start({
auto_ssl_pre_new = [[
local orig_options = options
options = nil
]],
auto_ssl_post_new = [[
auto_ssl:set("dir", orig_options["dir"])
auto_ssl:set("ca", orig_options["ca"])
auto_ssl:set("allow_domain", function(domain)
ngx.log(ngx.INFO, "allow_domain set() called: " .. domain)
if string.find(domain, "not-going-to-find") then
return true
else
return false
end
end)
]]
})
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, server.ngrok_hostname, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.read_error_log()
assert.matches("allow_domain set() called: " .. server.ngrok_hostname, error_log, nil, true)
assert.matches("auto-ssl: domain not allowed - using fallback - " .. server.ngrok_hostname, error_log, nil, true)
assert.Not.matches("[error]", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end)
it("returns the fallback SSL certificate when the domain is allowed and valid, but the domain challenge fails", function()
server.start()
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, "not-ours-" .. server.ngrok_hostname, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.read_error_log()
assert.matches("auto-ssl: issuing new certificate for not-ours-" .. server.ngrok_hostname, error_log, nil, true)
assert.matches("auto-ssl: dehydrated failed", error_log, nil, true)
assert.matches("auto-ssl: could not get certificate for not-ours-" .. server.ngrok_hostname, error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end)
it("returns the fallback SSL certificate when the domain is allowed, but not resolvable", function()
server.start()
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, "unresolvable-sdjfklsdjf.example", true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.read_error_log()
assert.matches("auto-ssl: issuing new certificate for unresolvable-sdjfklsdjf.example", error_log, nil, true)
assert.matches("auto-ssl: dehydrated failed", error_log, nil, true)
assert.matches("auto-ssl: could not get certificate for unresolvable-sdjfklsdjf.example", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end)
it("cleans up dehydrated files on certificate registration failure", function()
server.start()
local ls_before_result, ls_before_err = shell_blocking.capture_combined({ "ls", "-1", server.current_test_dir .. "/auto-ssl/letsencrypt" })
assert.equal(nil, ls_before_err)
local expected_ls_before = {
"conf.d",
"config",
"locks",
}
if server.dehydrated_cached_accounts then
table.insert(expected_ls_before, "accounts")
end
table.sort(expected_ls_before)
assert.same(expected_ls_before, pl_utils.split(ls_before_result["output"]))
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, "unresolvable-sdjfklsdjf.example", true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.read_error_log()
assert.matches("auto-ssl: issuing new certificate for unresolvable-sdjfklsdjf.example", error_log, nil, true)
assert.matches("auto-ssl: dehydrated failed", error_log, nil, true)
assert.matches("auto-ssl: could not get certificate for unresolvable-sdjfklsdjf.example", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
local ls_result, ls_err = shell_blocking.capture_combined({ "ls", "-1", server.current_test_dir .. "/auto-ssl/letsencrypt" })
assert.equal(nil, ls_err)
assert.same({
"accounts",
"certs",
"chains",
"conf.d",
"config",
"locks",
}, pl_utils.split(ls_result["output"]))
local ls_certs_result, ls_certs_err = shell_blocking.capture_combined({ "ls", "-1", server.current_test_dir .. "/auto-ssl/letsencrypt/certs" })
assert.equal(nil, ls_certs_err)
assert.same({}, pl_utils.split(ls_certs_result["output"]))
end)
it("allows for custom logic to control domain name to handle lack of SNI support", function()
server.start({
auto_ssl_pre_new = [[
options["request_domain"] = function(ssl, ssl_options)
local domain, err = ssl.server_name()
if (not domain or err) and ssl_options and ssl_options["port"] then
if ssl_options["port"] == 9444 then
domain = "non-sni-" .. ssl_options["port"] .. ".example"
elseif ssl_options["port"] == 9445 then
domain = "non-sni-mismatch-" .. ssl_options["port"] .. ".example"
elseif ssl_options["port"] == 9447 then
domain = "non-sni-disallowed-" .. ssl_options["port"] .. ".example"
end
end
return domain, err
end
options["allow_domain"] = function(domain, auto_ssl, ssl_options)
if ssl_options and ssl_options["port"] == 9447 then
return false
else
return true
end
end
]],
auto_ssl_http_config = [[
server {
listen 9444 ssl;
ssl_certificate_by_lua_block {
auto_ssl:ssl_certificate({ port = 9444 })
}
}
server {
listen 9445 ssl;
ssl_certificate_by_lua_block {
auto_ssl:ssl_certificate({ port = 9445 })
}
}
server {
listen 9446 ssl;
ssl_certificate_by_lua_block {
auto_ssl:ssl_certificate({ port = 9446 })
}
}
server {
listen 9447 ssl;
ssl_certificate_by_lua_block {
auto_ssl:ssl_certificate({ port = 9447 })
}
}
]]
})
do
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9444)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, nil, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.nginx_error_log_tail:read()
assert.Not.matches("auto-ssl: could not determine domain for request (SNI not supported?) - using fallback - ,", error_log, nil, true)
assert.matches("auto-ssl: issuing new certificate for non-sni-9444.example", error_log, nil, true)
assert.matches("auto-ssl: dehydrated failed", error_log, nil, true)
assert.matches("Domain name does not end with a valid public suffix (TLD)", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end
do
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9445)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, nil, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.nginx_error_log_tail:read()
assert.Not.matches("auto-ssl: could not determine domain for request (SNI not supported?) - using fallback - ,", error_log, nil, true)
assert.matches("auto-ssl: issuing new certificate for non-sni-mismatch-9445.example", error_log, nil, true)
assert.matches("auto-ssl: dehydrated failed", error_log, nil, true)
assert.matches("Domain name does not end with a valid public suffix (TLD)", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end
do
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9446)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, nil, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.nginx_error_log_tail:read()
assert.matches("auto-ssl: could not determine domain for request (SNI not supported?) - using fallback - ,", error_log, nil, true)
assert.Not.matches("auto-ssl: issuing new certificate", error_log, nil, true)
assert.Not.matches("[error]", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end
do
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9447)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, nil, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.nginx_error_log_tail:read()
assert.Not.matches("auto-ssl: could not determine domain for request (SNI not supported?) - using fallback - ,", error_log, nil, true)
assert.matches("auto-ssl: domain not allowed - using fallback - non-sni-disallowed-9447.example", error_log, nil, true)
assert.Not.matches("auto-ssl: issuing new certificate", error_log, nil, true)
assert.Not.matches("[warn]", error_log, nil, true)
assert.Not.matches("[error]", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end
end)
it("deletes dehydrated temporary files after successful cert deployment", function()
server.start()
local ls_before_result, ls_before_err = shell_blocking.capture_combined({ "ls", "-1", server.current_test_dir .. "/auto-ssl/letsencrypt" })
assert.equal(nil, ls_before_err)
local expected_ls_before = {
"conf.d",
"config",
"locks",
}
if server.dehydrated_cached_accounts then
table.insert(expected_ls_before, "accounts")
end
table.sort(expected_ls_before)
assert.same(expected_ls_before, pl_utils.split(ls_before_result["output"]))
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, server.ngrok_hostname, true)
assert.equal(nil, ssl_err)
local res, request_err = httpc:request({ path = "/foo" })
assert.equal(nil, request_err)
assert.equal(200, res.status)
local body, body_err = res:read_body()
assert.equal(nil, body_err)
assert.equal("foo", body)
local error_log = server.nginx_error_log_tail:read()
assert.matches("issuing new certificate for", error_log, nil, true)
local ls_result, ls_err = shell_blocking.capture_combined({ "ls", "-1", server.current_test_dir .. "/auto-ssl/letsencrypt" })
assert.equal(nil, ls_err)
assert.same({
"accounts",
"certs",
"chains",
"conf.d",
"config",
"locks",
}, pl_utils.split(ls_result["output"]))
local ls_certs_result, ls_certs_err = shell_blocking.capture_combined({ "ls", "-1", server.current_test_dir .. "/auto-ssl/letsencrypt/certs" })
assert.equal(nil, ls_certs_err)
assert.same({}, pl_utils.split(ls_certs_result["output"]))
error_log = server.read_error_log()
assert.Not.matches("[warn]", error_log, nil, true)
assert.Not.matches("[error]", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end)
it("deletes dehydrated temporary files if cert deployment fails", function()
server.start()
-- Create a directory where the storage file would normally belong so
-- that attempt to write this cert to storage will temporarily fail.
assert(dir.makepath(server.current_test_dir .. "/auto-ssl/storage/file/" .. ngx.escape_uri(server.ngrok_hostname .. ":latest")))
local ls_before_result, ls_before_err = shell_blocking.capture_combined({ "ls", "-1", server.current_test_dir .. "/auto-ssl/letsencrypt" })
assert.equal(nil, ls_before_err)
local expected_ls_before = {
"conf.d",
"config",
"locks",
}
if server.dehydrated_cached_accounts then
table.insert(expected_ls_before, "accounts")
end
table.sort(expected_ls_before)
assert.same(expected_ls_before, pl_utils.split(ls_before_result["output"]))
local httpc = http.new()
do
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, server.ngrok_hostname, true)
assert.equal("18: self signed certificate", ssl_err)
local error_log = server.nginx_error_log_tail:read()
assert.matches("auto-ssl: issuing new certificate for", error_log, nil, true)
assert.matches("auto-ssl: failed to open file for writing:", error_log, nil, true)
assert.matches("auto-ssl: failed to set cert", error_log, nil, true)
assert.matches("auto-ssl: dehydrated failed", error_log, nil, true)
assert.matches("auto-ssl: issuing new certificate failed", error_log, nil, true)
assert.matches("auto-ssl: could not get certificate for", error_log, nil, true)
end
local ls_result, ls_err = shell_blocking.capture_combined({ "ls", "-1", server.current_test_dir .. "/auto-ssl/letsencrypt" })
assert.equal(nil, ls_err)
assert.same({
"accounts",
"certs",
"chains",
"conf.d",
"config",
"locks",
}, pl_utils.split(ls_result["output"]))
local ls_certs_result, ls_certs_err = shell_blocking.capture_combined({ "ls", "-1", server.current_test_dir .. "/auto-ssl/letsencrypt/certs" })
assert.equal(nil, ls_certs_err)
assert.same({}, pl_utils.split(ls_certs_result["output"]))
assert(dir.rmtree(server.current_test_dir .. "/auto-ssl/storage/file/" .. ngx.escape_uri(server.ngrok_hostname .. ":latest")))
do
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, server.ngrok_hostname, true)
assert.equal(nil, ssl_err)
local res, request_err = httpc:request({ path = "/foo" })
assert.equal(nil, request_err)
assert.equal(200, res.status)
local body, body_err = res:read_body()
assert.equal(nil, body_err)
assert.equal("foo", body)
local error_log = server.nginx_error_log_tail:read()
assert.matches("auto-ssl: issuing new certificate for", error_log, nil, true)
assert.Not.matches("[error]", error_log, nil, true)
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end
local error_log = server.read_error_log()
assert.Not.matches("[alert]", error_log, nil, true)
assert.Not.matches("[emerg]", error_log, nil, true)
end)
it("hook server port can be changed", function()
server.start({
auto_ssl_pre_new = [[
options["hook_server_port"] = 9888
]],
auto_ssl_http_config = [[
server {
listen 127.0.0.1:9888;
client_body_buffer_size 128k;
client_max_body_size 128k;
location / {
content_by_lua_block {
ngx.log(ngx.INFO, "custom hook_server_port=9888")
auto_ssl:hook_server()
}
}
}
]],
})
local httpc = http.new()
local _, connect_err = httpc:connect("127.0.0.1", 9443)
assert.equal(nil, connect_err)
local _, ssl_err = httpc:ssl_handshake(nil, server.ngrok_hostname, true)
assert.equal(nil, ssl_err)
local res, request_err = httpc:request({ path = "/foo" })
assert.equal(nil, request_err)
assert.equal(200, res.status)
local body, body_err = res:read_body()
assert.equal(nil, body_err)
assert.equal("foo", body)
local error_log = server.nginx_error_log_tail:read()
assert.matches("auto-ssl: issuing new certificate for " .. server.ngrok_hostname, error_log, nil, true)
assert.matches("custom hook_server_port=9888", error_log, nil, true)
end)
it("does not expose test suite libraries to test nginx server", function()
server.start({
auto_ssl_http_server_config = [[
location /lib-test {
content_by_lua_block {
local cjson = require "cjson.safe"
local ok, inspect = pcall(require, "inspect")
ngx.print(cjson.encode({
ok = ok,
inspect = inspect,
}))
}
}
]],
})
local inspect = require "inspect"
assert.equal('"inspect"', inspect("inspect"))
local httpc = http.new()
local res, request_err = httpc:request_uri("http://127.0.0.1:9080/lib-test")
assert.equal(nil, request_err)
assert.equal(200, res.status)
local data, err = cjson.decode(res.body)
assert.equal(nil, err)
assert.equal(false, data["ok"])
assert.string(data["inspect"])
assert.matches("not found", data["inspect"], nil, true)
end)
end)