mirror of
https://github.com/token2/snapd.git
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129 lines
3.5 KiB
Go
129 lines
3.5 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2023 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package daemon
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import (
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"github.com/snapcore/snapd/aspects"
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"github.com/snapcore/snapd/features"
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"github.com/snapcore/snapd/overlord/auth"
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"github.com/snapcore/snapd/overlord/configstate/config"
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"github.com/snapcore/snapd/overlord/state"
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"github.com/snapcore/snapd/strutil"
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)
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var (
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aspectsCmd = &Command{
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Path: "/v2/aspects/{account}/{bundle}/{aspect}",
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GET: getAspect,
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PUT: setAspect,
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ReadAccess: authenticatedAccess{Polkit: polkitActionManage},
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WriteAccess: authenticatedAccess{Polkit: polkitActionManage},
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}
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)
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func getAspect(c *Command, r *http.Request, _ *auth.UserState) Response {
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st := c.d.state
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st.Lock()
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defer st.Unlock()
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if err := validateAspectFeatureFlag(st); err != nil {
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return err
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}
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vars := muxVars(r)
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account, bundleName, aspect := vars["account"], vars["bundle"], vars["aspect"]
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fieldStr := r.URL.Query().Get("fields")
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var fields []string
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if fieldStr != "" {
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fields = strutil.CommaSeparatedList(fieldStr)
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}
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results, err := aspectstateGetAspect(st, account, bundleName, aspect, fields)
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if err != nil {
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return toAPIError(err)
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}
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return SyncResponse(results)
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}
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func setAspect(c *Command, r *http.Request, _ *auth.UserState) Response {
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st := c.d.state
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st.Lock()
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defer st.Unlock()
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if err := validateAspectFeatureFlag(st); err != nil {
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return err
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}
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vars := muxVars(r)
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account, bundleName, aspect := vars["account"], vars["bundle"], vars["aspect"]
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decoder := json.NewDecoder(r.Body)
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var values map[string]interface{}
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if err := decoder.Decode(&values); err != nil {
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return BadRequest("cannot decode aspect request body: %v", err)
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}
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err := aspectstateSetAspect(st, account, bundleName, aspect, values)
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if err != nil {
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return toAPIError(err)
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}
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// NOTE: could be sync but this is closer to the final version and the conf API
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summary := fmt.Sprintf("Set aspect %s/%s/%s", account, bundleName, aspect)
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chg := newChange(st, "set-aspect", summary, nil, nil)
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chg.SetStatus(state.DoneStatus)
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ensureStateSoon(st)
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return AsyncResponse(nil, chg.ID())
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}
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func toAPIError(err error) *apiError {
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switch {
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case errors.Is(err, &aspects.NotFoundError{}):
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return NotFound(err.Error())
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case errors.Is(err, &aspects.BadRequestError{}):
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return BadRequest(err.Error())
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default:
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return InternalError(err.Error())
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}
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}
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func validateAspectFeatureFlag(st *state.State) *apiError {
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tr := config.NewTransaction(st)
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enabled, err := features.Flag(tr, features.AspectsConfiguration)
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if err != nil && !config.IsNoOption(err) {
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return InternalError(fmt.Sprintf("internal error: cannot check aspect configuration flag: %s", err))
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}
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if !enabled {
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_, confName := features.AspectsConfiguration.ConfigOption()
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return BadRequest(fmt.Sprintf("aspect-based configuration disabled: you must set '%s' to true", confName))
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}
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return nil
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}
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