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requester.go
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/
requester.go
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package client
import (
"fmt"
"net/http"
"strings"
"github.com/number571/go-peer/cmd/hidden_lake/service/pkg/response"
pkg_settings "github.com/number571/go-peer/cmd/hidden_lake/service/pkg/settings"
"github.com/number571/go-peer/internal/api"
"github.com/number571/go-peer/pkg/crypto/asymmetric"
"github.com/number571/go-peer/pkg/errors"
)
var (
_ IRequester = &sRequester{}
)
type sRequester struct {
fHost string
fClient *http.Client
}
func NewRequester(pHost string, pClient *http.Client) IRequester {
return &sRequester{
fHost: pHost,
fClient: pClient,
}
}
func (p *sRequester) GetIndex() (string, error) {
res, err := api.Request(
p.fClient,
http.MethodGet,
fmt.Sprintf(pkg_settings.CHandleIndexTemplate, p.fHost),
nil,
)
if err != nil {
return "", errors.WrapError(err, "get index (requester)")
}
if res != pkg_settings.CTitlePattern {
return "", errors.NewError("incorrect title pattern")
}
return res, nil
}
func (p *sRequester) HandleMessage(pMsg pkg_settings.SMessage) error {
_, err := api.Request(
p.fClient,
http.MethodPost,
fmt.Sprintf(pkg_settings.CHandleNetworkMessageTemplate, p.fHost),
pMsg,
)
if err != nil {
return errors.WrapError(err, "handle message (requester)")
}
return nil
}
func (p *sRequester) FetchRequest(pRequest *pkg_settings.SRequest) (response.IResponse, error) {
res, err := api.Request(
p.fClient,
http.MethodPost,
fmt.Sprintf(pkg_settings.CHandleNetworkRequestTemplate, p.fHost),
pRequest,
)
if err != nil {
return nil, errors.WrapError(err, "fetch request (requester)")
}
resp, err := response.LoadResponse([]byte(res))
if err != nil {
return nil, errors.WrapError(err, "load fetch response (requester)")
}
return resp, nil
}
func (p *sRequester) BroadcastRequest(pRequest *pkg_settings.SRequest) error {
_, err := api.Request(
p.fClient,
http.MethodPut,
fmt.Sprintf(pkg_settings.CHandleNetworkRequestTemplate, p.fHost),
pRequest,
)
if err != nil {
return errors.WrapError(err, "broadcast request (requester)")
}
return nil
}
func (p *sRequester) GetFriends() (map[string]asymmetric.IPubKey, error) {
res, err := api.Request(
p.fClient,
http.MethodGet,
fmt.Sprintf(pkg_settings.CHandleConfigFriendsTemplate, p.fHost),
nil,
)
if err != nil {
return nil, errors.WrapError(err, "get friends (requester)")
}
listFriends := deleteVoidStrings(strings.Split(res, ","))
result := make(map[string]asymmetric.IPubKey, len(listFriends))
for _, friend := range listFriends {
splited := strings.Split(friend, ":")
if len(splited) != 2 {
return nil, errors.NewError("length of splited != 2")
}
aliasName := splited[0]
pubKeyStr := splited[1]
result[aliasName] = asymmetric.LoadRSAPubKey(pubKeyStr)
}
return result, nil
}
func (p *sRequester) AddFriend(pFriend *pkg_settings.SFriend) error {
_, err := api.Request(
p.fClient,
http.MethodPost,
fmt.Sprintf(pkg_settings.CHandleConfigFriendsTemplate, p.fHost),
pFriend,
)
if err != nil {
return errors.WrapError(err, "add friend (requester)")
}
return nil
}
func (p *sRequester) DelFriend(pFriend *pkg_settings.SFriend) error {
_, err := api.Request(
p.fClient,
http.MethodDelete,
fmt.Sprintf(pkg_settings.CHandleConfigFriendsTemplate, p.fHost),
pFriend,
)
if err != nil {
return errors.WrapError(err, "del friend (requester)")
}
return nil
}
func (p *sRequester) GetOnlines() ([]string, error) {
res, err := api.Request(
p.fClient,
http.MethodGet,
fmt.Sprintf(pkg_settings.CHandleNetworkOnlineTemplate, p.fHost),
nil,
)
if err != nil {
return nil, errors.WrapError(err, "get onlines (requester)")
}
return deleteVoidStrings(strings.Split(res, ",")), nil
}
func (p *sRequester) DelOnline(pConnect pkg_settings.SConnect) error {
_, err := api.Request(
p.fClient,
http.MethodDelete,
fmt.Sprintf(pkg_settings.CHandleNetworkOnlineTemplate, p.fHost),
pConnect,
)
if err != nil {
return errors.WrapError(err, "del online (requester)")
}
return nil
}
func (p *sRequester) GetConnections() ([]string, error) {
res, err := api.Request(
p.fClient,
http.MethodGet,
fmt.Sprintf(pkg_settings.CHandleConfigConnectsTemplate, p.fHost),
nil,
)
if err != nil {
return nil, errors.WrapError(err, "get connections (requester)")
}
return deleteVoidStrings(strings.Split(res, ",")), nil
}
func (p *sRequester) AddConnection(pConnect pkg_settings.SConnect) error {
_, err := api.Request(
p.fClient,
http.MethodPost,
fmt.Sprintf(pkg_settings.CHandleConfigConnectsTemplate, p.fHost),
pConnect,
)
if err != nil {
return errors.WrapError(err, "add connection (requester)")
}
return nil
}
func (p *sRequester) DelConnection(pConnect pkg_settings.SConnect) error {
_, err := api.Request(
p.fClient,
http.MethodDelete,
fmt.Sprintf(pkg_settings.CHandleConfigConnectsTemplate, p.fHost),
pConnect,
)
if err != nil {
return errors.WrapError(err, "del connection (requester)")
}
return nil
}
func (p *sRequester) SetPrivKey(pPrivKey pkg_settings.SPrivKey) error {
_, err := api.Request(
p.fClient,
http.MethodPost,
fmt.Sprintf(pkg_settings.CHandleNodeKeyTemplate, p.fHost),
pPrivKey,
)
if err != nil {
return errors.WrapError(err, "set private key (requester)")
}
return nil
}
func (p *sRequester) GetPubKey() (asymmetric.IPubKey, error) {
res, err := api.Request(
p.fClient,
http.MethodGet,
fmt.Sprintf(pkg_settings.CHandleNodeKeyTemplate, p.fHost),
nil,
)
if err != nil {
return nil, errors.WrapError(err, "get public key (requester)")
}
pubKey := asymmetric.LoadRSAPubKey(res)
if pubKey == nil {
return nil, errors.NewError("got invalid public key")
}
return pubKey, nil
}
func deleteVoidStrings(pS []string) []string {
result := make([]string, 0, len(pS))
for _, v := range pS {
r := strings.TrimSpace(v)
if r == "" {
continue
}
result = append(result, r)
}
return result
}