forked from keybase/client
/
apiserver.go
164 lines (139 loc) · 4.35 KB
/
apiserver.go
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// Copyright 2016 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.
package service
import (
"encoding/json"
"github.com/keybase/client/go/libkb"
keybase1 "github.com/keybase/client/go/protocol/keybase1"
"github.com/keybase/go-framed-msgpack-rpc/rpc"
jsonw "github.com/keybase/go-jsonw"
"golang.org/x/net/context"
)
type APIServerHandler struct {
*BaseHandler
libkb.Contextified
}
func NewAPIServerHandler(xp rpc.Transporter, g *libkb.GlobalContext) *APIServerHandler {
return &APIServerHandler{
BaseHandler: NewBaseHandler(g, xp),
Contextified: libkb.NewContextified(g),
}
}
func (a *APIServerHandler) Get(_ context.Context, arg keybase1.GetArg) (keybase1.APIRes, error) {
return a.doGet(arg, false)
}
func (a *APIServerHandler) GetWithSession(_ context.Context, arg keybase1.GetWithSessionArg) (keybase1.APIRes, error) {
return a.doGet(arg, true)
}
func (a *APIServerHandler) Post(_ context.Context, arg keybase1.PostArg) (keybase1.APIRes, error) {
return a.doPost(arg)
}
func (a *APIServerHandler) PostJSON(_ context.Context, arg keybase1.PostJSONArg) (keybase1.APIRes, error) {
return a.doPostJSON(arg)
}
func (a *APIServerHandler) Delete(_ context.Context, arg keybase1.DeleteArg) (keybase1.APIRes, error) {
return a.doDelete(arg)
}
type GenericArg interface {
GetEndpoint() string
GetHTTPArgs() []keybase1.StringKVPair
GetHttpStatuses() []int
GetAppStatusCodes() []int
}
func (a *APIServerHandler) setupArg(arg GenericArg) libkb.APIArg {
// Form http arg dict
kbargs := make(libkb.HTTPArgs)
for _, harg := range arg.GetHTTPArgs() {
kbargs[harg.Key] = libkb.S{Val: harg.Value}
}
// Acceptable http status list
var httpStatuses []int
for _, hstat := range arg.GetHttpStatuses() {
httpStatuses = append(httpStatuses, hstat)
}
// Acceptable app status code list
var appStatusCodes []int
for _, ac := range arg.GetAppStatusCodes() {
appStatusCodes = append(appStatusCodes, ac)
}
// Do the API call
kbarg := libkb.APIArg{
Endpoint: arg.GetEndpoint(),
SessionType: libkb.APISessionTypeREQUIRED,
Args: kbargs,
HTTPStatus: httpStatuses,
AppStatusCodes: appStatusCodes,
}
return kbarg
}
func (a *APIServerHandler) doGet(arg GenericArg, sessionRequired bool) (res keybase1.APIRes, err error) {
defer a.G().Trace("APIServerHandler::Get", func() error { return err })()
// turn off session requirement if not needed
kbarg := a.setupArg(arg)
if !sessionRequired {
kbarg.SessionType = libkb.APISessionTypeNONE
}
var ires *libkb.APIRes
ires, err = a.G().API.Get(kbarg)
if err != nil {
return res, err
}
return a.convertRes(ires), nil
}
func (a *APIServerHandler) doPost(arg keybase1.PostArg) (res keybase1.APIRes, err error) {
defer a.G().Trace("APIServerHandler::Post", func() error { return err })()
var ires *libkb.APIRes
ires, err = a.G().API.Post(a.setupArg(arg))
if err != nil {
return res, err
}
return a.convertRes(ires), nil
}
func (a *APIServerHandler) doPostJSON(rawarg keybase1.PostJSONArg) (res keybase1.APIRes, err error) {
defer a.G().Trace("APIServerHandler::PostJSON", func() error { return err })()
var ires *libkb.APIRes
arg := a.setupArg(rawarg)
jsonPayload := make(libkb.JSONPayload)
for _, kvpair := range rawarg.JSONPayload {
var value interface{}
err := json.Unmarshal([]byte(kvpair.Value), &value)
if err != nil {
return keybase1.APIRes{}, err
}
jsonPayload[kvpair.Key] = value
}
arg.JSONPayload = jsonPayload
ires, err = a.G().API.PostJSON(arg)
if err != nil {
return keybase1.APIRes{}, err
}
return a.convertRes(ires), nil
}
func (a *APIServerHandler) doDelete(arg keybase1.DeleteArg) (res keybase1.APIRes, err error) {
a.G().Trace("APIServerHandler::Delete", func() error { return err })()
var ires *libkb.APIRes
ires, err = a.G().API.Delete(a.setupArg(arg))
if err != nil {
return res, err
}
return a.convertRes(ires), nil
}
func (a *APIServerHandler) convertRes(res *libkb.APIRes) keybase1.APIRes {
// Translate the result
var ares keybase1.APIRes
mstatus, err := res.Status.Marshal()
if err == nil {
ares.Status = string(mstatus[:])
}
mbody, err := res.Body.Marshal()
if err == nil {
ares.Body = string(mbody[:])
}
ares.HttpStatus = res.HTTPStatus
appStatus := jsonw.NewWrapper(res.AppStatus)
mappstatus, err := appStatus.Marshal()
if err == nil {
ares.AppStatus = string(mappstatus[:])
}
return ares
}