123 lines
2.5 KiB
Go
123 lines
2.5 KiB
Go
package main
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import (
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"bufio"
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"bytes"
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"context"
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"crypto/ed25519"
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"encoding/json"
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"encoding/pem"
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"flag"
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"fmt"
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"io/ioutil"
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"net/url"
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"os"
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"github.com/matrix-org/gomatrixserverlib"
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)
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var requestFrom = flag.String("from", "", "the server name that the request should originate from")
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var requestKey = flag.String("key", "matrix_key.pem", "the private key to use when signing the request")
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var requestPost = flag.Bool("post", false, "send a POST request instead of GET (pipe input into stdin or type followed by Ctrl-D)")
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func main() {
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flag.Parse()
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if requestFrom == nil || *requestFrom == "" {
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fmt.Println("expecting: furl -from origin.com [-key matrix_key.pem] https://path/to/url")
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fmt.Println("supported flags:")
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flag.PrintDefaults()
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os.Exit(1)
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}
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data, err := ioutil.ReadFile(*requestKey)
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if err != nil {
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panic(err)
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}
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var privateKey ed25519.PrivateKey
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keyBlock, _ := pem.Decode(data)
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if keyBlock == nil {
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panic("keyBlock is nil")
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}
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if keyBlock.Type == "MATRIX PRIVATE KEY" {
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_, privateKey, err = ed25519.GenerateKey(bytes.NewReader(keyBlock.Bytes))
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if err != nil {
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panic(err)
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}
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} else {
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panic("unexpected key block")
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}
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client := gomatrixserverlib.NewFederationClient(
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gomatrixserverlib.ServerName(*requestFrom),
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gomatrixserverlib.KeyID(keyBlock.Headers["Key-ID"]),
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privateKey,
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)
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u, err := url.Parse(flag.Arg(0))
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if err != nil {
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panic(err)
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}
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var bodyObj interface{}
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var bodyBytes []byte
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method := "GET"
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if *requestPost {
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method = "POST"
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fmt.Println("Waiting for JSON input. Press Enter followed by Ctrl-D when done...")
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scan := bufio.NewScanner(os.Stdin)
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for scan.Scan() {
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bytes := scan.Bytes()
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bodyBytes = append(bodyBytes, bytes...)
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}
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fmt.Println("Done!")
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if err = json.Unmarshal(bodyBytes, &bodyObj); err != nil {
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panic(err)
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}
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}
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req := gomatrixserverlib.NewFederationRequest(
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method,
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gomatrixserverlib.ServerName(u.Host),
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u.RequestURI(),
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)
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if *requestPost {
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if err = req.SetContent(bodyObj); err != nil {
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panic(err)
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}
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}
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if err = req.Sign(
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gomatrixserverlib.ServerName(*requestFrom),
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gomatrixserverlib.KeyID(keyBlock.Headers["Key-ID"]),
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privateKey,
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); err != nil {
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panic(err)
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}
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httpReq, err := req.HTTPRequest()
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if err != nil {
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panic(err)
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}
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var res interface{}
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err = client.DoRequestAndParseResponse(
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context.TODO(),
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httpReq,
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&res,
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)
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if err != nil {
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panic(err)
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}
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j, err := json.MarshalIndent(res, "", " ")
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if err != nil {
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panic(err)
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}
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fmt.Println(string(j))
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}
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