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package proxy
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import (
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"encoding/json"
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"errors"
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"io"
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"net/http"
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"net/url"
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uuid "github.com/satori/go.uuid"
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)
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// flow http request
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type Request struct {
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Method string
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URL *url.URL
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Proto string
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Header http.Header
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Body []byte
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raw *http.Request
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}
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func newRequest(req *http.Request) *Request {
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return &Request{
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Method: req.Method,
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URL: req.URL,
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Proto: req.Proto,
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Header: req.Header,
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raw: req,
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}
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}
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func (r *Request) Raw() *http.Request {
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return r.raw
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}
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func (req *Request) MarshalJSON() ([]byte, error) {
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r := make(map[string]interface{})
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r["method"] = req.Method
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r["url"] = req.URL.String()
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r["proto"] = req.Proto
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r["header"] = req.Header
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return json.Marshal(r)
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}
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func (req *Request) UnmarshalJSON(data []byte) error {
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r := make(map[string]interface{})
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err := json.Unmarshal(data, &r)
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if err != nil {
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return err
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}
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rawurl, ok := r["url"].(string)
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if !ok {
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return errors.New("url parse error")
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}
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u, err := url.Parse(rawurl)
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if err != nil {
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return err
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}
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rawheader, ok := r["header"].(map[string]interface{})
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if !ok {
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return errors.New("rawheader parse error")
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}
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header := make(map[string][]string)
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for k, v := range rawheader {
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vals, ok := v.([]interface{})
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if !ok {
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return errors.New("header parse error")
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}
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svals := make([]string, 0)
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for _, val := range vals {
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sval, ok := val.(string)
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if !ok {
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return errors.New("header parse error")
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}
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svals = append(svals, sval)
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}
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header[k] = svals
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}
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*req = Request{
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Method: r["method"].(string),
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URL: u,
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Proto: r["proto"].(string),
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Header: header,
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}
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return nil
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}
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// flow http response
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type Response struct {
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StatusCode int `json:"statusCode"`
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Header http.Header `json:"header"`
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Body []byte `json:"-"`
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BodyReader io.Reader
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close bool // connection close
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decodedBody []byte
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decoded bool // decoded reports whether the response was sent compressed but was decoded to decodedBody.
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decodedErr error
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}
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// flow
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type Flow struct {
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Id uuid.UUID
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ConnContext *ConnContext
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Request *Request
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Response *Response
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// https://docs.mitmproxy.org/stable/overview-features/#streaming
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// 如果为 true，则不缓冲 Request.Body 和 Response.Body，且不进入之后的 Addon.Request 和 Addon.Response
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Stream bool
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done chan struct{}
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}
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func newFlow() *Flow {
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return &Flow{
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Id: uuid.NewV4(),
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done: make(chan struct{}),
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}
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}
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func (f *Flow) Done() <-chan struct{} {
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return f.done
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}
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func (f *Flow) finish() {
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close(f.done)
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}
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func (f *Flow) MarshalJSON() ([]byte, error) {
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j := make(map[string]interface{})
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j["id"] = f.Id
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j["request"] = f.Request
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j["response"] = f.Response
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return json.Marshal(j)
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}
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