AdGuardHome/internal/dnsforward/http_test.go

171 lines
9.6 KiB
Go

package dnsforward
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestDNSForwardHTTTP_handleGetConfig(t *testing.T) {
s := createTestServer(t)
err := s.Start()
assert.Nil(t, err)
defer assert.Nil(t, s.Stop())
defaultConf := s.conf
w := httptest.NewRecorder()
testCases := []struct {
name string
conf func() ServerConfig
want string
}{{
name: "all_right",
conf: func() ServerConfig {
return defaultConf
},
want: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "fastest_addr",
conf: func() ServerConfig {
conf := defaultConf
conf.FastestAddr = true
return conf
},
want: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"fastest_addr\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "parallel",
conf: func() ServerConfig {
conf := defaultConf
conf.AllServers = true
return conf
},
want: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"parallel\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
s.conf = tc.conf()
s.handleGetConfig(w, nil)
assert.Equal(t, tc.want, w.Body.String())
assert.Equal(t, "application/json", w.Header().Get("Content-Type"))
})
w.Body.Reset()
}
}
func TestDNSForwardHTTTP_handleSetConfig(t *testing.T) {
s := createTestServer(t)
defaultConf := s.conf
err := s.Start()
assert.Nil(t, err)
defer func() {
assert.Nil(t, s.Stop())
}()
w := httptest.NewRecorder()
const defaultConfJSON = "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n"
testCases := []struct {
name string
req string
wantSet string
wantGet string
}{{
name: "upstream_dns",
req: "{\"upstream_dns\":[\"8.8.8.8:77\",\"8.8.4.4:77\"]}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:77\",\"8.8.4.4:77\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "bootstraps",
req: "{\"bootstrap_dns\":[\"9.9.9.10\"]}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "blocking_mode_good",
req: "{\"blocking_mode\":\"refused\"}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"refused\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "blocking_mode_bad",
req: "{\"blocking_mode\":\"custom_ip\"}",
wantSet: "blocking_mode: incorrect value\n",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "ratelimit",
req: "{\"ratelimit\":6}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":6,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "edns_cs_enabled",
req: "{\"edns_cs_enabled\":true}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":true,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "dnssec_enabled",
req: "{\"dnssec_enabled\":true}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":true,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "cache_size",
req: "{\"cache_size\":1024}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":1024,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "upstream_mode_parallel",
req: "{\"upstream_mode\":\"parallel\"}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"parallel\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "upstream_mode_fastest_addr",
req: "{\"upstream_mode\":\"fastest_addr\"}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"fastest_addr\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "upstream_dns_bad",
req: "{\"upstream_dns\":[\"\"]}",
wantSet: "wrong upstreams specification: missing port in address\n",
wantGet: defaultConfJSON,
}, {
name: "bootstraps_bad",
req: "{\"bootstrap_dns\":[\"a\"]}",
wantSet: "a can not be used as bootstrap dns cause: invalid bootstrap server address: Resolver a is not eligible to be a bootstrap DNS server\n",
wantGet: defaultConfJSON,
}, {
name: "cache_bad_ttl",
req: "{\"cache_ttl_min\":1024,\"cache_ttl_max\":512}",
wantSet: "cache_ttl_min must be less or equal than cache_ttl_max\n",
wantGet: defaultConfJSON,
}, {
name: "upstream_mode_bad",
req: "{\"upstream_mode\":\"somethingelse\"}",
wantSet: "upstream_mode: incorrect value\n",
wantGet: defaultConfJSON,
}}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
rBody := ioutil.NopCloser(strings.NewReader(tc.req))
r, err := http.NewRequest(http.MethodPost, "http://example.com", rBody)
assert.Nil(t, err)
s.handleSetConfig(w, r)
assert.Equal(t, tc.wantSet, w.Body.String())
w.Body.Reset()
s.handleGetConfig(w, nil)
assert.Equal(t, tc.wantGet, w.Body.String())
w.Body.Reset()
})
s.conf = defaultConf
}
}