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api_notices_test.go
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// Copyright (c) 2023-2024 Canonical Ltd
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 3 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package daemon_test
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"net/url"
"path/filepath"
"strconv"
"strings"
"time"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/daemon"
"github.com/snapcore/snapd/dirs"
"github.com/snapcore/snapd/overlord/snapstate"
"github.com/snapcore/snapd/overlord/snapstate/snapstatetest"
"github.com/snapcore/snapd/overlord/state"
"github.com/snapcore/snapd/snap"
"github.com/snapcore/snapd/testutil"
)
var _ = Suite(¬icesSuite{})
type noticesSuite struct {
apiBaseSuite
}
func (s *noticesSuite) SetUpTest(c *C) {
s.apiBaseSuite.SetUpTest(c)
s.expectReadAccess(daemon.InterfaceOpenAccess{Interfaces: []string{"snap-refresh-observe", "snap-interfaces-requests-control"}})
s.expectWriteAccess(daemon.OpenAccess{})
}
func (s *noticesSuite) TestNoticesFilterUserID(c *C) {
// A bit hacky... filter by user ID which doesn't have any notices to just
// get public notices (those with nil user ID)
s.testNoticesFilter(c, func(after time.Time) url.Values {
return url.Values{"user-id": {"1000"}}
})
}
func (s *noticesSuite) TestNoticesFilterType(c *C) {
s.testNoticesFilter(c, func(after time.Time) url.Values {
return url.Values{"types": {"change-update"}}
})
}
func (s *noticesSuite) TestNoticesFilterKey(c *C) {
s.testNoticesFilter(c, func(after time.Time) url.Values {
return url.Values{"keys": {"123"}}
})
}
func (s *noticesSuite) TestNoticesFilterAfter(c *C) {
s.testNoticesFilter(c, func(after time.Time) url.Values {
return url.Values{"after": {after.UTC().Format(time.RFC3339Nano)}}
})
}
func (s *noticesSuite) TestNoticesFilterAll(c *C) {
s.testNoticesFilter(c, func(after time.Time) url.Values {
return url.Values{
"user-id": {"1000"},
"types": {"change-update"},
"keys": {"123"},
"after": {after.UTC().Format(time.RFC3339Nano)},
}
})
}
func (s *noticesSuite) testNoticesFilter(c *C, makeQuery func(after time.Time) url.Values) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
uid := uint32(123)
addNotice(c, st, &uid, state.WarningNotice, "warning", nil)
after := time.Now()
time.Sleep(time.Microsecond)
noticeID, err := st.AddNotice(nil, state.ChangeUpdateNotice, "123", &state.AddNoticeOptions{
Data: map[string]string{"k": "v"},
})
c.Assert(err, IsNil)
st.Unlock()
query := makeQuery(after)
req, err := http.NewRequest("GET", "/v2/notices?"+query.Encode(), nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=0;socket=%s;", dirs.SnapdSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 1)
n := noticeToMap(c, notices[0])
firstOccurred, err := time.Parse(time.RFC3339, n["first-occurred"].(string))
c.Assert(err, IsNil)
c.Assert(firstOccurred.After(after), Equals, true)
lastOccurred, err := time.Parse(time.RFC3339, n["last-occurred"].(string))
c.Assert(err, IsNil)
c.Assert(lastOccurred.Equal(firstOccurred), Equals, true)
lastRepeated, err := time.Parse(time.RFC3339, n["last-repeated"].(string))
c.Assert(err, IsNil)
c.Assert(lastRepeated.Equal(firstOccurred), Equals, true)
delete(n, "first-occurred")
delete(n, "last-occurred")
delete(n, "last-repeated")
c.Assert(n, DeepEquals, map[string]any{
"id": noticeID,
"user-id": nil,
"type": "change-update",
"key": "123",
"occurrences": 1.0,
"last-data": map[string]any{"k": "v"},
"expire-after": "168h0m0s",
})
}
func (s *noticesSuite) TestNoticesFilterMultipleTypes(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
addNotice(c, st, nil, state.ChangeUpdateNotice, "123", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, nil, state.RefreshInhibitNotice, "-", nil)
st.Unlock()
req, err := http.NewRequest("GET", "/v2/notices?types=change-update&types=warning,warning&types=refresh-inhibit", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;", dirs.SnapdSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 3)
n := noticeToMap(c, notices[0])
c.Assert(n["type"], Equals, "change-update")
n = noticeToMap(c, notices[1])
c.Assert(n["type"], Equals, "warning")
n = noticeToMap(c, notices[2])
c.Assert(n["type"], Equals, "refresh-inhibit")
}
func (s *noticesSuite) TestNoticesFilterMultipleKeys(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
addNotice(c, st, nil, state.ChangeUpdateNotice, "123", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, nil, state.ChangeUpdateNotice, "456", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
st.Unlock()
req, err := http.NewRequest("GET", "/v2/notices?keys=456&keys=danger", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;", dirs.SnapdSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 2)
n := noticeToMap(c, notices[0])
c.Assert(n["key"], Equals, "456")
n = noticeToMap(c, notices[1])
c.Assert(n["key"], Equals, "danger")
}
func (s *noticesSuite) TestNoticesFilterInvalidTypes(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
addNotice(c, st, nil, state.ChangeUpdateNotice, "123", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
st.Unlock()
// Check that invalid types are discarded, and notices with remaining
// types are requested as expected, without error.
req, err := http.NewRequest("GET", "/v2/notices?types=foo&types=warning&types=bar,baz", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;", dirs.SnapdSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 1)
n := noticeToMap(c, notices[0])
c.Assert(n["type"], Equals, "warning")
// Check that if all types are invalid, no notices are returned, and there
// is no error.
req, err = http.NewRequest("GET", "/v2/notices?types=foo&types=bar,baz", nil)
c.Assert(err, IsNil)
req.RemoteAddr = "pid=100;uid=1000;socket=;"
rsp = s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok = rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 0)
}
func (s *noticesSuite) TestNoticesShowsTypesAllowedForSnap(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
addNotice(c, st, nil, state.InterfacesRequestsPromptNotice, "abc", nil)
addNotice(c, st, nil, state.InterfacesRequestsRuleUpdateNotice, "xyz", nil)
addNotice(c, st, nil, state.ChangeUpdateNotice, "123", nil)
addNotice(c, st, nil, state.RefreshInhibitNotice, "-", nil)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
addNotice(c, st, nil, state.SnapRunInhibitNotice, "snap-name", nil)
addNotice(c, st, nil, state.InterfacesRequestsPromptNotice, "def", nil)
st.Unlock()
// Check that a snap request without specifying types filter only shows
// allowed notice types based on connected snap interfaces.
// No connected interface, no notices
req, err := http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=;", dirs.SnapSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 0)
// snap-refresh-observe interface allows accessing change-update and refresh-inhibit notices
req, err = http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=snap-refresh-observe;", dirs.SnapSocket)
rsp = s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok = rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 3)
seenNoticeType := make(map[string]int)
for _, notice := range notices {
n := noticeToMap(c, notice)
noticeType := n["type"].(string)
seenNoticeType[noticeType]++
}
c.Check(seenNoticeType["change-update"], Equals, 1)
c.Check(seenNoticeType["refresh-inhibit"], Equals, 1)
c.Check(seenNoticeType["snap-run-inhibit"], Equals, 1)
// Check that multiple interfaces allow accessing notice types granted by
// any of the connected interfaces
req, err = http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=snap-refresh-observe&snap-interfaces-requests-control;", dirs.SnapSocket)
rsp = s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok = rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 6)
seenNoticeType = make(map[string]int)
for _, notice := range notices {
n := noticeToMap(c, notice)
noticeType := n["type"].(string)
seenNoticeType[noticeType]++
}
c.Check(seenNoticeType["change-update"], Equals, 1)
c.Check(seenNoticeType["refresh-inhibit"], Equals, 1)
c.Check(seenNoticeType["snap-run-inhibit"], Equals, 1)
c.Check(seenNoticeType["interfaces-requests-prompt"], Equals, 2)
c.Check(seenNoticeType["interfaces-requests-rule-update"], Equals, 1)
}
func (s *noticesSuite) TestNoticesFilterTypesForSnap(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
addNotice(c, st, nil, state.ChangeUpdateNotice, "123", nil)
addNotice(c, st, nil, state.RefreshInhibitNotice, "-", nil)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
addNotice(c, st, nil, state.SnapRunInhibitNotice, "snap-name", nil)
st.Unlock()
// Check that a snap request with types filter allows access to
// snaps with required interfaces only.
// snap-refresh-observe interface allows accessing change-update, refresh-inhibit and snap-run-inhibit notices
req, err := http.NewRequest("GET", "/v2/notices?types=change-update,refresh-inhibit,snap-run-inhibit", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=snap-refresh-observe;", dirs.SnapSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 3)
seenNoticeType := make(map[string]int)
for _, notice := range notices {
n := noticeToMap(c, notice)
noticeType := n["type"].(string)
seenNoticeType[noticeType]++
}
c.Check(seenNoticeType["change-update"], Equals, 1)
c.Check(seenNoticeType["refresh-inhibit"], Equals, 1)
c.Check(seenNoticeType["snap-run-inhibit"], Equals, 1)
}
func (s *noticesSuite) TestNoticesFilterTypesForSnapForbidden(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
addNotice(c, st, nil, state.ChangeUpdateNotice, "123", nil)
addNotice(c, st, nil, state.RefreshInhibitNotice, "-", nil)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
addNotice(c, st, nil, state.SnapRunInhibitNotice, "snap-name", nil)
st.Unlock()
// Check that a snap request with types filter denies access to
// snaps without required interfaces.
// snap-refresh-observe doesn't give access to warning notices.
req, err := http.NewRequest("GET", "/v2/notices?types=change-update,warning", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=snap-refresh-observe;", dirs.SnapSocket)
rsp := s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 403)
// snap-refresh-observe doesn't give access to warning notices.
req, err = http.NewRequest("GET", "/v2/notices?types=warning", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=snap-refresh-observe;", dirs.SnapSocket)
rsp = s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 403)
for _, iface := range []string{"snap-themes-control", "snap-interfaces-requests-control"} {
// neither interface gives access to change-update notices.
req, err = http.NewRequest("GET", "/v2/notices?types=change-update", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=%s;", dirs.SnapSocket, iface)
rsp = s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 403)
// neither interface gives access to refresh-inhibit notices.
req, err = http.NewRequest("GET", "/v2/notices?types=refresh-inhibit", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=%s;", dirs.SnapSocket, iface)
rsp = s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 403)
// neither interface access to snap-run-inhibit notices.
req, err = http.NewRequest("GET", "/v2/notices?types=snap-run-inhibit", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=%s;", dirs.SnapSocket, iface)
rsp = s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 403)
}
// No interfaces connected.
req, err = http.NewRequest("GET", "/v2/notices?types=change-update,refresh-inhibit,snap-run-inhibit", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=;", dirs.SnapSocket)
rsp = s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 403)
}
func (s *noticesSuite) TestNoticesUserIDAdminDefault(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
admin := uint32(0)
nonAdmin := uint32(1000)
otherNonAdmin := uint32(123)
addNotice(c, st, &admin, state.ChangeUpdateNotice, "123", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, &nonAdmin, state.WarningNotice, "error1", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, &otherNonAdmin, state.ChangeUpdateNotice, "456", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
st.Unlock()
// Test that admin user sees their own and all public notices if no filter is specified
req, err := http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=0;socket=%s;", dirs.SnapdSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 2)
n := noticeToMap(c, notices[0])
c.Assert(n["user-id"], Equals, float64(admin))
c.Assert(n["key"], Equals, "123")
n = noticeToMap(c, notices[1])
c.Assert(n["user-id"], Equals, nil)
c.Assert(n["key"], Equals, "danger")
}
func (s *noticesSuite) TestNoticesUserIDAdminFilter(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
admin := uint32(0)
nonAdmin := uint32(1000)
otherNonAdmin := uint32(123)
addNotice(c, st, &admin, state.ChangeUpdateNotice, "123", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, &nonAdmin, state.WarningNotice, "error1", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, &otherNonAdmin, state.ChangeUpdateNotice, "456", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
st.Unlock()
// Test that admin can filter on any user ID, and always gets public notices too
for _, uid := range []uint32{0, 1000, 123} {
userIDValues := url.Values{}
userIDValues.Add("user-id", strconv.FormatUint(uint64(uid), 10))
reqUrl := fmt.Sprintf("/v2/notices?%s", userIDValues.Encode())
req, err := http.NewRequest("GET", reqUrl, nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=0;socket=%s;", dirs.SnapdSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 2)
n := noticeToMap(c, notices[0])
c.Assert(n["user-id"], Equals, float64(uid))
n = noticeToMap(c, notices[1])
c.Assert(n["user-id"], Equals, nil)
}
}
func (s *noticesSuite) TestNoticesUserIDNonAdminDefault(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
admin := uint32(0)
nonAdmin := uint32(1000)
otherNonAdmin := uint32(123)
addNotice(c, st, &admin, state.ChangeUpdateNotice, "123", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, &nonAdmin, state.WarningNotice, "error1", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, &otherNonAdmin, state.ChangeUpdateNotice, "456", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
st.Unlock()
// Test that non-admin user by default only sees their notices and public notices.
req, err := http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;", dirs.SnapdSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 2)
n := noticeToMap(c, notices[0])
c.Assert(n["user-id"], Equals, float64(nonAdmin))
c.Assert(n["key"], Equals, "error1")
n = noticeToMap(c, notices[1])
c.Assert(n["user-id"], Equals, nil)
c.Assert(n["key"], Equals, "danger")
}
func (s *noticesSuite) TestNoticesUserIDNonAdminFilter(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
nonAdmin := uint32(1000)
addNotice(c, st, &nonAdmin, state.WarningNotice, "error1", nil)
st.Unlock()
// Test that non-admin user may not use --user-id filter
reqUrl := "/v2/notices?user-id=1000"
req, err := http.NewRequest("GET", reqUrl, nil)
c.Assert(err, IsNil)
req.RemoteAddr = "pid=100;uid=1000;socket=;"
rsp := s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 403)
}
func (s *noticesSuite) TestNoticesUsersAdminFilter(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
admin := uint32(0)
nonAdmin := uint32(1000)
otherNonAdmin := uint32(123)
addNotice(c, st, &admin, state.ChangeUpdateNotice, "123", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, &nonAdmin, state.WarningNotice, "error1", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, &otherNonAdmin, state.ChangeUpdateNotice, "456", nil)
time.Sleep(time.Microsecond)
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
st.Unlock()
// Test that admin user may get all notices with --users=all filter
reqUrl := "/v2/notices?users=all"
req, err := http.NewRequest("GET", reqUrl, nil)
c.Check(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=0;socket=%s;", dirs.SnapdSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 4)
n := noticeToMap(c, notices[0])
c.Assert(n["user-id"], Equals, float64(admin))
c.Assert(n["key"], Equals, "123")
n = noticeToMap(c, notices[1])
c.Assert(n["user-id"], Equals, float64(nonAdmin))
c.Assert(n["key"], Equals, "error1")
n = noticeToMap(c, notices[2])
c.Assert(n["user-id"], Equals, float64(otherNonAdmin))
c.Assert(n["key"], Equals, "456")
n = noticeToMap(c, notices[3])
c.Assert(n["user-id"], Equals, nil)
c.Assert(n["key"], Equals, "danger")
}
func (s *noticesSuite) TestNoticesUsersNonAdminFilter(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
nonAdmin := uint32(1000)
addNotice(c, st, &nonAdmin, state.WarningNotice, "error1", nil)
st.Unlock()
// Test that non-admin user may not use --users filter
reqUrl := "/v2/notices?users=all"
req, err := http.NewRequest("GET", reqUrl, nil)
c.Check(err, IsNil)
req.RemoteAddr = "pid=100;uid=1000;socket=;"
rsp := s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 403)
}
func (s *noticesSuite) TestNoticesUnknownRequestUID(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
st.Lock()
addNotice(c, st, nil, state.WarningNotice, "danger", nil)
st.Unlock()
// Test that a connection with unknown UID is forbidden from receiving notices
req, err := http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
req.RemoteAddr = "pid=100;uid=;socket=;"
rsp := s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 403)
}
func (s *noticesSuite) TestNoticesWait(c *C) {
s.daemon(c)
st := s.d.Overlord().State()
go func() {
time.Sleep(testutil.HostScaledTimeout(50 * time.Millisecond))
st.Lock()
addNotice(c, st, nil, state.WarningNotice, "foo", nil)
st.Unlock()
}()
timeout := testutil.HostScaledTimeout(5 * time.Second).String()
req, err := http.NewRequest("GET", "/v2/notices?timeout="+timeout, nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;", dirs.SnapdSocket)
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 1)
n := noticeToMap(c, notices[0])
c.Check(n["user-id"], Equals, nil)
c.Check(n["type"], Equals, "warning")
c.Check(n["key"], Equals, "foo")
}
func (s *noticesSuite) TestNoticesTimeout(c *C) {
s.daemon(c)
req, err := http.NewRequest("GET", "/v2/notices?timeout=1ms", nil)
c.Assert(err, IsNil)
req.RemoteAddr = "pid=100;uid=1000;socket=;"
rsp := s.syncReq(c, req, nil)
c.Check(rsp.Status, Equals, 200)
notices, ok := rsp.Result.([]*state.Notice)
c.Assert(ok, Equals, true)
c.Assert(notices, HasLen, 0)
}
func (s *noticesSuite) TestNoticesRequestCancelled(c *C) {
s.daemon(c)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
cancelTimeout := testutil.HostScaledTimeout(50 * time.Millisecond)
reqTimeout := testutil.HostScaledTimeout(5 * time.Second)
start := time.Now()
go func() {
time.Sleep(cancelTimeout)
cancel()
}()
req, err := http.NewRequestWithContext(ctx, "GET", "/v2/notices?timeout="+reqTimeout.String(), nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;", dirs.SnapdSocket)
rsp := s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 500)
c.Check(rsp.Message, Matches, "request canceled")
elapsed := time.Since(start)
c.Check(elapsed > cancelTimeout, Equals, true)
c.Check(elapsed < reqTimeout, Equals, true)
}
func (s *noticesSuite) TestNoticesInvalidUserID(c *C) {
s.testNoticesBadRequest(c, "user-id=foo", `invalid "user-id" filter:.*`)
}
func (s *noticesSuite) TestNoticesInvalidUserIDMultiple(c *C) {
s.testNoticesBadRequest(c, "user-id=1000&user-id=1234", `invalid "user-id" filter:.*`)
}
func (s *noticesSuite) TestNoticesInvalidUserIDHigh(c *C) {
s.testNoticesBadRequest(c, "user-id=4294967296", `invalid "user-id" filter:.*`)
}
func (s *noticesSuite) TestNoticesInvalidUserIDLow(c *C) {
s.testNoticesBadRequest(c, "user-id=-1", `invalid "user-id" filter:.*`)
}
func (s *noticesSuite) TestNoticesInvalidUsers(c *C) {
s.testNoticesBadRequest(c, "users=foo", `invalid "users" filter:.*`)
}
func (s *noticesSuite) TestNoticesInvalidUserIDWithUsers(c *C) {
s.testNoticesBadRequest(c, "user-id=1234&users=all", `cannot use both "users" and "user-id" parameters`)
}
func (s *noticesSuite) TestNoticesInvalidAfter(c *C) {
s.testNoticesBadRequest(c, "after=foo", `invalid "after" timestamp.*`)
}
func (s *noticesSuite) TestNoticesInvalidTimeout(c *C) {
s.testNoticesBadRequest(c, "timeout=foo", "invalid timeout.*")
}
func (s *noticesSuite) testNoticesBadRequest(c *C, query, errorMatch string) {
s.daemon(c)
req, err := http.NewRequest("GET", "/v2/notices?"+query, nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=0;socket=%s;", dirs.SnapdSocket)
rsp := s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 400)
c.Assert(rsp.Message, Matches, errorMatch)
}
// Check that duplicate explicitly-given notice types are removed from filter.
func (s *noticesSuite) TestSanitizeNoticeTypesFilterDuplicateGivenTypes(c *C) {
typeStrs := []string{
string(state.ChangeUpdateNotice),
fmt.Sprintf(
"%s,%s,%s",
state.WarningNotice,
state.ChangeUpdateNotice,
state.RefreshInhibitNotice,
),
string(state.WarningNotice),
string(state.RefreshInhibitNotice),
string(state.WarningNotice),
string(state.ChangeUpdateNotice),
}
types := []state.NoticeType{
state.ChangeUpdateNotice,
state.WarningNotice,
state.RefreshInhibitNotice,
}
// Request unnecessary since explicitly-specified types are validated later.
result, err := daemon.SanitizeNoticeTypesFilter(typeStrs, nil)
c.Assert(err, IsNil)
c.Check(result, DeepEquals, types)
}
// Check that notice types granted by default by multiple connected interfaces
// are only included once in the filter.
func (s *noticesSuite) TestSanitizeNoticeTypesFilterDuplicateDefaultTypes(c *C) {
types := []state.NoticeType{
state.NoticeType("foo"),
state.NoticeType("bar"),
state.NoticeType("baz"),
}
ifaces := []string{
"abc",
"xyz",
"123",
}
fakeNoticeReadInterfaces := map[state.NoticeType][]string{
types[0]: {ifaces[0], ifaces[1]},
types[1]: {ifaces[1], ifaces[2]},
types[2]: {ifaces[2]},
}
restore := daemon.MockNoticeReadInterfaces(fakeNoticeReadInterfaces)
defer restore()
// Check that multiple interfaces which grant the same notice type do not
// result in duplicates of that type
req, err := http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=%s&%s;", dirs.SnapSocket, ifaces[0], ifaces[1])
result, err := daemon.SanitizeNoticeTypesFilter(nil, req)
c.Assert(err, IsNil)
c.Check(result, DeepEquals, types[:2])
}
// Check that requests for notice types granted by multiple connected interfaces
// behave correctly.
func (s *noticesSuite) TestNoticeTypesViewableBySnap(c *C) {
types := []state.NoticeType{
state.NoticeType("foo"),
state.NoticeType("bar"),
state.NoticeType("baz"),
}
ifaces := []string{
"abc",
"xyz",
"123",
}
fakeNoticeReadInterfaces := map[state.NoticeType][]string{
types[0]: {ifaces[0], ifaces[1]},
types[1]: {ifaces[1], ifaces[2]},
types[2]: {ifaces[2]},
}
restore := daemon.MockNoticeReadInterfaces(fakeNoticeReadInterfaces)
defer restore()
// Check notice types granted by different connected interfaces.
req, err := http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=%s&%s;", dirs.SnapSocket, ifaces[0], ifaces[2])
requestedTypes := []state.NoticeType{types[0], types[1], types[2]}
viewable := daemon.NoticeTypesViewableBySnap(requestedTypes, req)
c.Check(viewable, Equals, true)
// Check notice types granted by the same connected interface.
req, err = http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=%s&%s;", dirs.SnapSocket, ifaces[0], ifaces[1])
// Types viewable by both interfaces
requestedTypes = []state.NoticeType{types[0]}
viewable = daemon.NoticeTypesViewableBySnap(requestedTypes, req)
c.Check(viewable, Equals, true)
// Types viewable by at least one interface
requestedTypes = []state.NoticeType{types[0], types[1]}
viewable = daemon.NoticeTypesViewableBySnap(requestedTypes, req)
c.Check(viewable, Equals, true)
// Type not viewable by any interface
requestedTypes = []state.NoticeType{types[2]}
viewable = daemon.NoticeTypesViewableBySnap(requestedTypes, req)
c.Check(viewable, Equals, false)
// Mix of viewable and unviewable types
requestedTypes = []state.NoticeType{types[0], types[2]}
viewable = daemon.NoticeTypesViewableBySnap(requestedTypes, req)
c.Check(viewable, Equals, false)
// Check no types results in not viewable, no matter what
requestedTypes = make([]state.NoticeType, 0)
req, err = http.NewRequest("GET", "/v2/notices", nil)
c.Assert(err, IsNil)
// No "iface=" field given
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;", dirs.SnapSocket)
viewable = daemon.NoticeTypesViewableBySnap(requestedTypes, req)
c.Check(viewable, Equals, false)
// Empty "iface=" field
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=;", dirs.SnapSocket)
viewable = daemon.NoticeTypesViewableBySnap(requestedTypes, req)
c.Check(viewable, Equals, false)
// Non-empty "iface=" field
req.RemoteAddr = fmt.Sprintf("pid=100;uid=1000;socket=%s;iface=snap-refresh-observe;", dirs.SnapSocket)
viewable = daemon.NoticeTypesViewableBySnap(requestedTypes, req)
c.Check(viewable, Equals, false)
}
func (s *noticesSuite) TestAddNotice(c *C) {
s.daemon(c)
// mock request coming from snap command
restore := daemon.MockOsReadlink(func(path string) (string, error) {
c.Check(path, Equals, "/proc/100/exe")
return filepath.Join(dirs.GlobalRootDir, "/usr/bin/snap"), nil
})
defer restore()
st := s.d.Overlord().State()
st.Lock()
// mock existing snap
snapstate.Set(st, "snap-name", &snapstate.SnapState{
Active: true,
Sequence: snapstatetest.NewSequenceFromSnapSideInfos([]*snap.SideInfo{{RealName: "snap-name", Revision: snap.R(2)}}),
})
st.Unlock()
start := time.Now()
body := []byte(`{
"action": "add",
"type": "snap-run-inhibit",
"key": "snap-name"
}`)
req, err := http.NewRequest("POST", "/v2/notices", bytes.NewReader(body))
c.Assert(err, IsNil)
req.RemoteAddr = "pid=100;uid=1000;socket=;"
rsp := s.syncReq(c, req, nil)
c.Assert(rsp.Status, Equals, 200)
resultBytes, err := json.Marshal(rsp.Result)
c.Assert(err, IsNil)
st.Lock()
notices := st.Notices(nil)
st.Unlock()
c.Assert(notices, HasLen, 1)
n := noticeToMap(c, notices[0])
noticeID, ok := n["id"].(string)
c.Assert(ok, Equals, true)
c.Assert(string(resultBytes), Equals, `{"id":"`+noticeID+`"}`)
firstOccurred, err := time.Parse(time.RFC3339, n["first-occurred"].(string))
c.Assert(err, IsNil)
c.Assert(firstOccurred.After(start), Equals, true)
lastOccurred, err := time.Parse(time.RFC3339, n["last-occurred"].(string))
c.Assert(err, IsNil)
c.Assert(lastOccurred.Equal(firstOccurred), Equals, true)
lastRepeated, err := time.Parse(time.RFC3339, n["last-repeated"].(string))
c.Assert(err, IsNil)
c.Assert(lastRepeated.Equal(firstOccurred), Equals, true)
delete(n, "first-occurred")
delete(n, "last-occurred")
delete(n, "last-repeated")
c.Assert(n, DeepEquals, map[string]any{
"id": noticeID,
"user-id": 1000.0,
"type": "snap-run-inhibit",
"key": "snap-name",
"occurrences": 1.0,
"expire-after": "168h0m0s",
})
}
func (s *noticesSuite) TestAddNoticeInvalidRequestUid(c *C) {
s.daemon(c)
body := []byte(`{
"action": "add",
"type": "snap-run-inhibit",
"key": "snap-name"
}`)
req, err := http.NewRequest("POST", "/v2/notices", bytes.NewReader(body))
c.Assert(err, IsNil)
req.RemoteAddr = "pid=100;uid=;socket=;"
rsp := s.errorReq(c, req, nil)
c.Assert(rsp.Status, Equals, 403)
}
func (s *noticesSuite) TestAddNoticeInvalidAction(c *C) {
s.testAddNoticeBadRequest(c, `{"action": "bad"}`, "invalid action.*")
}
func (s *noticesSuite) TestAddNoticeInvalidTypeUnkown(c *C) {
s.testAddNoticeBadRequest(c, `{"action": "add", "type": "foo"}`, `cannot add notice with invalid type "foo"`)
}
func (s *noticesSuite) TestAddNoticeInvalidTypeKnown(c *C) {
s.testAddNoticeBadRequest(c, `{"action": "add", "type": "change-update", "key": "test"}`, "cannot add notice with invalid type.*")
}
func (s *noticesSuite) TestAddNoticeEmptyKey(c *C) {
s.testAddNoticeBadRequest(c, `{"action": "add", "type": "snap-run-inhibit", "key": ""}`, `cannot add snap-run-inhibit notice with invalid key ""`)
}
func (s *noticesSuite) TestAddNoticeKeyTooLong(c *C) {
request, err := json.Marshal(map[string]any{
"action": "add",
"type": "snap-run-inhibit",
"key": strings.Repeat("x", 257),
})
c.Assert(err, IsNil)
s.testAddNoticeBadRequest(c, string(request), "cannot add snap-run-inhibit notice with invalid key: key must be 256 bytes or less")
}
func (s *noticesSuite) TestAddNoticeInvalidSnapName(c *C) {
s.testAddNoticeBadRequest(c, `{"action": "add", "type": "snap-run-inhibit", "key": "Snap-Name"}`, `invalid key: invalid snap name: "Snap-Name"`)
}
func (s *noticesSuite) testAddNoticeBadRequest(c *C, body, errorMatch string) {
s.daemon(c)
// mock request coming from snap command
restore := daemon.MockOsReadlink(func(path string) (string, error) {
c.Check(path, Equals, "/proc/100/exe")
return filepath.Join(dirs.GlobalRootDir, "/usr/bin/snap"), nil
})
defer restore()
req, err := http.NewRequest("POST", "/v2/notices", strings.NewReader(body))
c.Assert(err, IsNil)
req.RemoteAddr = "pid=100;uid=1000;socket=;"
rsp := s.errorReq(c, req, nil)
c.Check(rsp.Status, Equals, 400)
c.Assert(rsp.Message, Matches, errorMatch)
}
func (s *noticesSuite) TestAddNoticesSnapCmdNoReexec(c *C) {
s.testAddNoticesSnapCmd(c, filepath.Join(dirs.GlobalRootDir, "/usr/bin/snap"), false)
}
func (s *noticesSuite) TestAddNoticesSnapCmdReexecSnapd(c *C) {
s.testAddNoticesSnapCmd(c, filepath.Join(dirs.SnapMountDir, "snapd/11/usr/bin/snap"), false)
}
func (s *noticesSuite) TestAddNoticesSnapCmdReexecCore(c *C) {
s.testAddNoticesSnapCmd(c, filepath.Join(dirs.SnapMountDir, "core/12/usr/bin/snap"), false)
}
func (s *noticesSuite) TestAddNoticesSnapCmdUnknownBinary(c *C) {
s.testAddNoticesSnapCmd(c, filepath.Join(dirs.SnapMountDir, "bad-c0re/12/usr/bin/snap"), true)
}
func (s *noticesSuite) testAddNoticesSnapCmd(c *C, exePath string, shouldFail bool) {
s.daemon(c)
// mock request coming from snap command
restore := daemon.MockOsReadlink(func(path string) (string, error) {
c.Check(path, Equals, "/proc/100/exe")
return exePath, nil
})
defer restore()
st := s.d.Overlord().State()
st.Lock()
// mock existing snap
snapstate.Set(st, "snap-name", &snapstate.SnapState{
Active: true,
Sequence: snapstatetest.NewSequenceFromSnapSideInfos([]*snap.SideInfo{{RealName: "snap-name", Revision: snap.R(2)}}),
})
st.Unlock()