Brendan LE GLAUNEC
150 lines
3.8 KiB
Go
150 lines
3.8 KiB
Go
// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package service
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import (
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"encoding/json"
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"fmt"
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"github.com/EtixLabs/cameradar"
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"github.com/EtixLabs/cameradar/server/adaptor/jsonrpc2"
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v "gopkg.in/go-playground/validator.v9"
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)
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func (c *Cameradar) handleRequest(message string) {
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var ret []cmrdr.Stream
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var JSONRPCErr jsonrpc2.Error
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var request jsonrpc2.Request
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err := json.Unmarshal([]byte(message), &request)
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if err != nil {
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JSONRPCErr = jsonrpc2.Error{
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Code: jsonrpc2.ParseError,
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Message: jsonrpc2.ParseErrorMessage,
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Data: err.Error(),
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}
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c.respondToClient(ret, "", JSONRPCErr)
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return
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}
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validate := v.New()
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err = validate.Struct(request)
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if err != nil {
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JSONRPCErr = jsonrpc2.Error{
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Code: jsonrpc2.InvalidRequest,
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Message: jsonrpc2.InvalidRequestMessage,
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Data: err.Error(),
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}
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c.respondToClient(ret, request.ID, JSONRPCErr)
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return
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}
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c.SetOptions(request.Params)
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switch request.Method {
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case "discover":
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ret, err = c.Discover()
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case "attack_credentials":
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ret, err = c.AttackCredentials()
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case "attack_route":
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ret, err = c.AttackRoute()
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case "discover_and_attack":
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c.discoverAndAttack(request.ID)
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return
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default:
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JSONRPCErr = jsonrpc2.Error{
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Code: jsonrpc2.MethodNotFound,
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Message: jsonrpc2.MethodNotFoundMessage,
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Data: "method" + request.Method + "not found",
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}
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}
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if err != nil {
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JSONRPCErr = jsonrpc2.Error{
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Code: jsonrpc2.InternalError,
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Message: jsonrpc2.InternalErrorMessage,
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Data: err.Error(),
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}
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}
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c.respondToClient(ret, request.ID, JSONRPCErr)
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}
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func (c *Cameradar) discoverAndAttack(ID string) {
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var JSONRPCErr jsonrpc2.Error
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streams, err := c.Discover()
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if err != nil {
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c.respondToClient(streams, ID, jsonrpc2.Error{
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Code: jsonrpc2.InternalError,
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Message: jsonrpc2.InternalErrorMessage,
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Data: err.Error(),
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})
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return
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}
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c.respondToClient(streams, ID, JSONRPCErr)
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streams, err = c.AttackRoute()
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if err != nil {
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c.respondToClient(streams, ID, jsonrpc2.Error{
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Code: jsonrpc2.InternalError,
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Message: jsonrpc2.InternalErrorMessage,
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Data: err.Error(),
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})
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return
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}
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c.respondToClient(streams, ID, JSONRPCErr)
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streams, err = c.AttackCredentials()
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if err != nil {
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c.respondToClient(streams, ID, jsonrpc2.Error{
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Code: jsonrpc2.InternalError,
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Message: jsonrpc2.InternalErrorMessage,
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Data: err.Error(),
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})
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return
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}
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c.respondToClient(streams, ID, JSONRPCErr)
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for _, stream := range streams {
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if stream.RouteFound == false {
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streams, err = c.AttackCredentials()
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if err != nil {
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c.respondToClient(streams, ID, jsonrpc2.Error{
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Code: jsonrpc2.InternalError,
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Message: jsonrpc2.InternalErrorMessage,
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Data: err.Error(),
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})
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return
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}
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c.respondToClient(streams, ID, JSONRPCErr)
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return
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}
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}
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}
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func (c *Cameradar) respondToClient(result []cmrdr.Stream, ID string, JSONRPCErr jsonrpc2.Error) {
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r := jsonrpc2.Response{
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JSONRPC: "2.0",
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Result: result,
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Error: JSONRPCErr,
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ID: ID,
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}
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response, err := json.Marshal(r)
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if err != nil {
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c.toClient <- "{\"jsonrpc\": \"2.0\",\"result\":null,\"error\":{\"code\":" + fmt.Sprint(jsonrpc2.InternalError) + ",\"" + jsonrpc2.InternalErrorMessage + "\",\"data\":\"could not marshal response\"},\"id\":\"" + ID + "\"}"
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}
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c.toClient <- string(response)
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}
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