From a4ac3d70e1fa810112e49e04625ac2f1053a664a Mon Sep 17 00:00:00 2001 From: Marcus Weiner Date: Sun, 4 Feb 2024 14:20:17 +0100 Subject: [PATCH 1/8] Download preview workspace over webrtc --- .github/workflows/preview.yaml | 21 ++-- cmd/webrtc-downloader/main.go | 31 +++++ go.mod | 22 +++- go.sum | 201 ++++++++++++++++++++++++++++++++- pkg/webrtc/remote.go | 75 ++++++++++++ pkg/webrtc/webrtc.go | 40 +++++++ 6 files changed, 375 insertions(+), 15 deletions(-) create mode 100644 cmd/webrtc-downloader/main.go create mode 100644 pkg/webrtc/remote.go create mode 100644 pkg/webrtc/webrtc.go diff --git a/.github/workflows/preview.yaml b/.github/workflows/preview.yaml index dd6cd67..2d39f7c 100644 --- a/.github/workflows/preview.yaml +++ b/.github/workflows/preview.yaml @@ -3,8 +3,8 @@ name: Speculative Run on: workflow_dispatch: inputs: - workspace_transfer_url: - description: "URL from which to download the workspace" + webrtc-session: + description: "Session (base64 encoded) for the workspace download over webrtc" required: true type: string @@ -16,11 +16,16 @@ jobs: TF_HTTP_PASSWORD: ${{ github.token }} TF_IN_AUTOMATION: "true" steps: + - uses: actions/checkout@v3 + - uses: actions/setup-go@v5 + with: + go-version-file: go.mod - name: Download Workspace run: | - curl ${{ inputs.workspace_transfer_url }} --fail --silent | tar -xzf - - - uses: hashicorp/setup-terraform@v3 - with: - terraform_version: "1.6.6" - - run: terraform init - - run: terraform plan + go run ./cmd/webrtc-downloader -session ${{ inputs.webrtc-session }} + - run: tar -ztvf workspace.tar.gz + # - uses: hashicorp/setup-terraform@v3 + # with: + # terraform_version: "1.6.6" + # - run: terraform init + # - run: terraform plan diff --git a/cmd/webrtc-downloader/main.go b/cmd/webrtc-downloader/main.go new file mode 100644 index 0000000..0fa85a2 --- /dev/null +++ b/cmd/webrtc-downloader/main.go @@ -0,0 +1,31 @@ +package main + +import ( + "context" + "flag" + "fmt" + "os" + "os/signal" + "syscall" + + webrtclib "github.com/ffddorf/tf-preview-github/pkg/webrtc" +) + +func main() { + var session string + flag.StringVar(&session, "session", "", "WebRTC session (base64)") + flag.Parse() + + ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGTERM, syscall.SIGHUP) + defer cancel() + + f, err := os.Create("workspace.tar.gz") + if err != nil { + panic(err) + } + defer f.Close() + if err := webrtclib.RemoteChannel(ctx, session, nil); err != nil { + panic(err) + } + fmt.Println("Done downloading") +} diff --git a/go.mod b/go.mod index 65d442b..e4e1a99 100644 --- a/go.mod +++ b/go.mod @@ -6,7 +6,7 @@ require ( github.com/cenkalti/backoff v2.2.1+incompatible github.com/google/go-github/v57 v57.0.0 github.com/hashicorp/go-slug v0.13.3 - github.com/stretchr/testify v1.8.4 + github.com/pion/webrtc/v3 v3.2.24 golang.ngrok.com/ngrok v1.7.0 ) @@ -14,15 +14,33 @@ require ( github.com/davecgh/go-spew v1.1.1 // indirect github.com/go-stack/stack v1.8.1 // indirect github.com/google/go-querystring v1.1.0 // indirect + github.com/google/uuid v1.6.0 // indirect github.com/inconshreveable/log15 v3.0.0-testing.5+incompatible // indirect github.com/inconshreveable/log15/v3 v3.0.0-testing.5 // indirect github.com/jpillora/backoff v1.0.0 // indirect github.com/mattn/go-colorable v0.1.13 // indirect github.com/mattn/go-isatty v0.0.20 // indirect + github.com/pion/datachannel v1.5.5 // indirect + github.com/pion/dtls/v2 v2.2.10 // indirect + github.com/pion/ice/v2 v2.3.12 // indirect + github.com/pion/interceptor v0.1.25 // indirect + github.com/pion/logging v0.2.2 // indirect + github.com/pion/mdns v0.0.10 // indirect + github.com/pion/randutil v0.1.0 // indirect + github.com/pion/rtcp v1.2.13 // indirect + github.com/pion/rtp v1.8.3 // indirect + github.com/pion/sctp v1.8.10 // indirect + github.com/pion/sdp/v3 v3.0.6 // indirect + github.com/pion/srtp/v2 v2.0.18 // indirect + github.com/pion/stun v0.6.1 // indirect + github.com/pion/transport/v2 v2.2.4 // indirect + github.com/pion/turn/v2 v2.1.4 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/stretchr/testify v1.8.4 // indirect go.uber.org/multierr v1.11.0 // indirect golang.ngrok.com/muxado/v2 v2.0.0 // indirect - golang.org/x/net v0.19.0 // indirect + golang.org/x/crypto v0.18.0 // indirect + golang.org/x/net v0.20.0 // indirect golang.org/x/sync v0.6.0 // indirect golang.org/x/sys v0.16.0 // indirect golang.org/x/term v0.16.0 // indirect diff --git a/go.sum b/go.sum index 7b0232a..ad17bac 100644 --- a/go.sum +++ b/go.sum @@ -1,57 +1,248 @@ github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEet03Pg2g16Swow4= github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= +github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= github.com/go-stack/stack v1.8.1 h1:ntEHSVwIt7PNXNpgPmVfMrNhLtgjlmnZha2kOpuRiDw= github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4= +github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= +github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= github.com/google/go-cmp 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v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= +golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= +golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE= +golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE= +golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE= +golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= +golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= +golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= +golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= +google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= +google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= +google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE= +google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo= +google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= +google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= +google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I= google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= -gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= +gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/pkg/webrtc/remote.go b/pkg/webrtc/remote.go new file mode 100644 index 0000000..ec362fd --- /dev/null +++ b/pkg/webrtc/remote.go @@ -0,0 +1,75 @@ +package webrtc + +import ( + "context" + "encoding/base64" + "encoding/json" + "fmt" + "io" + + "github.com/pion/webrtc/v3" +) + +func RemoteChannel(ctx context.Context, localSession string, dst io.Writer) error { + peerConnection, err := webrtc.NewPeerConnection(config) + if err != nil { + return err + } + defer func() { + _ = peerConnection.Close() + }() + + iceGatheringDone := iceGather(peerConnection) + peerConnection.OnConnectionStateChange(func(s webrtc.PeerConnectionState) { + fmt.Printf("Peer Connection State has changed: %s\n", s.String()) + }) + ctx, cancel := context.WithCancel(ctx) + defer cancel() + peerConnection.OnDataChannel(func(d *webrtc.DataChannel) { + fmt.Printf("New DataChannel %s %d\n", d.Label(), d.ID()) + + d.OnMessage(func(msg webrtc.DataChannelMessage) { + _, err := dst.Write(msg.Data) + if err != nil { + fmt.Printf("failed to write to destination: %v\n", err) + cancel() + } + }) + d.OnClose(cancel) + }) + + sessJSON, err := base64.StdEncoding.DecodeString(localSession) + if err != nil { + return err + } + var sess webrtcSession + if err := json.Unmarshal(sessJSON, &sess); err != nil { + return err + } + + if err := peerConnection.SetRemoteDescription(sess.Offer); err != nil { + return err + } + + for _, candidate := range sess.Candidates { + if err := peerConnection.AddICECandidate(candidate.ToJSON()); err != nil { + return err + } + } + + answer, err := peerConnection.CreateAnswer(nil) + if err != nil { + return err + } + if err := peerConnection.SetLocalDescription(answer); err != nil { + return err + } + + fmt.Printf("WEBRTC-ANSWER:%s\n", answer.SDP) + for candidate := range iceGatheringDone { + fmt.Printf("WEBRTC-CANDIDATE:%s\n", candidate.String()) + } + + <-ctx.Done() + return nil +} diff --git a/pkg/webrtc/webrtc.go b/pkg/webrtc/webrtc.go new file mode 100644 index 0000000..7a88d33 --- /dev/null +++ b/pkg/webrtc/webrtc.go @@ -0,0 +1,40 @@ +package webrtc + +import ( + "fmt" + + "github.com/pion/webrtc/v3" +) + +var config = webrtc.Configuration{ + ICEServers: []webrtc.ICEServer{ + { + URLs: []string{"stun:stun.l.google.com:19302"}, + }, + }, +} + +func iceGather(conn *webrtc.PeerConnection) <-chan *webrtc.ICECandidate { + candidates := make(chan *webrtc.ICECandidate) + conn.OnICECandidate(func(c *webrtc.ICECandidate) { + if c == nil { + fmt.Println("ICE gathering done") + close(candidates) + return + } + + fmt.Printf("got ICE candidate: %v\n", c) + candidates <- c + }) + return candidates +} + +type webrtcSession struct { + Offer webrtc.SessionDescription + Candidates []*webrtc.ICECandidate +} + +type Channel interface { + SetRemoteDescription(webrtc.SessionDescription) error + AddICECandidate(webrtc.ICECandidateInit) error +} From 3e0c79a7a69d0b404c01c2bd7c65f0d3ed6da7dc Mon Sep 17 00:00:00 2001 From: Marcus Weiner Date: Sun, 4 Feb 2024 14:56:42 +0100 Subject: [PATCH 2/8] Change answer to use base64 encoding --- pkg/webrtc/remote.go | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/pkg/webrtc/remote.go b/pkg/webrtc/remote.go index ec362fd..28a6f85 100644 --- a/pkg/webrtc/remote.go +++ b/pkg/webrtc/remote.go @@ -6,6 +6,7 @@ import ( "encoding/json" "fmt" "io" + "os" "github.com/pion/webrtc/v3" ) @@ -65,7 +66,14 @@ func RemoteChannel(ctx context.Context, localSession string, dst io.Writer) erro return err } - fmt.Printf("WEBRTC-ANSWER:%s\n", answer.SDP) + fmt.Print("WEBRTC-ANSWER:") + out := base64.NewEncoder(base64.StdEncoding, os.Stdout) + if err := json.NewEncoder(out).Encode(&answer); err != nil { + return err + } + _ = out.Close() + fmt.Println() + for candidate := range iceGatheringDone { fmt.Printf("WEBRTC-CANDIDATE:%s\n", candidate.String()) } From b68c942a83c4ed8d2e0a9cf5c11cc4cea00478fb Mon Sep 17 00:00:00 2001 From: Marcus Weiner Date: Sun, 4 Feb 2024 15:00:53 +0100 Subject: [PATCH 3/8] Fix stuck workflow when connection failed --- pkg/webrtc/remote.go | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/pkg/webrtc/remote.go b/pkg/webrtc/remote.go index 28a6f85..52aaba1 100644 --- a/pkg/webrtc/remote.go +++ b/pkg/webrtc/remote.go @@ -12,6 +12,9 @@ import ( ) func RemoteChannel(ctx context.Context, localSession string, dst io.Writer) error { + ctx, cancel := context.WithCancel(ctx) + defer cancel() + peerConnection, err := webrtc.NewPeerConnection(config) if err != nil { return err @@ -23,9 +26,10 @@ func RemoteChannel(ctx context.Context, localSession string, dst io.Writer) erro iceGatheringDone := iceGather(peerConnection) peerConnection.OnConnectionStateChange(func(s webrtc.PeerConnectionState) { fmt.Printf("Peer Connection State has changed: %s\n", s.String()) + if s == webrtc.PeerConnectionStateFailed { + cancel() + } }) - ctx, cancel := context.WithCancel(ctx) - defer cancel() peerConnection.OnDataChannel(func(d *webrtc.DataChannel) { fmt.Printf("New DataChannel %s %d\n", d.Label(), d.ID()) From 80451089b1263e3aa76d86f24dcbf64294802a24 Mon Sep 17 00:00:00 2001 From: Marcus Weiner Date: Sun, 4 Feb 2024 15:30:04 +0100 Subject: [PATCH 4/8] Fix candidate output --- pkg/webrtc/remote.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/pkg/webrtc/remote.go b/pkg/webrtc/remote.go index 52aaba1..5fde5d9 100644 --- a/pkg/webrtc/remote.go +++ b/pkg/webrtc/remote.go @@ -79,7 +79,7 @@ func RemoteChannel(ctx context.Context, localSession string, dst io.Writer) erro fmt.Println() for candidate := range iceGatheringDone { - fmt.Printf("WEBRTC-CANDIDATE:%s\n", candidate.String()) + fmt.Printf("WEBRTC-CANDIDATE:%s\n", candidate.ToJSON().Candidate) } <-ctx.Done() From cab55f7dc9107e4f78e16045c2294fbb4dc69fbd Mon Sep 17 00:00:00 2001 From: Marcus Weiner Date: Sun, 4 Feb 2024 16:29:22 +0100 Subject: [PATCH 5/8] Try reading answer from session --- pkg/webrtc/remote.go | 15 +-------------- pkg/webrtc/webrtc.go | 1 + 2 files changed, 2 insertions(+), 14 deletions(-) diff --git a/pkg/webrtc/remote.go b/pkg/webrtc/remote.go index 5fde5d9..46f8845 100644 --- a/pkg/webrtc/remote.go +++ b/pkg/webrtc/remote.go @@ -6,7 +6,6 @@ import ( "encoding/json" "fmt" "io" - "os" "github.com/pion/webrtc/v3" ) @@ -62,21 +61,9 @@ func RemoteChannel(ctx context.Context, localSession string, dst io.Writer) erro } } - answer, err := peerConnection.CreateAnswer(nil) - if err != nil { - return err - } - if err := peerConnection.SetLocalDescription(answer); err != nil { - return err - } - - fmt.Print("WEBRTC-ANSWER:") - out := base64.NewEncoder(base64.StdEncoding, os.Stdout) - if err := json.NewEncoder(out).Encode(&answer); err != nil { + if err := peerConnection.SetLocalDescription(sess.Answer); err != nil { return err } - _ = out.Close() - fmt.Println() for candidate := range iceGatheringDone { fmt.Printf("WEBRTC-CANDIDATE:%s\n", candidate.ToJSON().Candidate) diff --git a/pkg/webrtc/webrtc.go b/pkg/webrtc/webrtc.go index 7a88d33..8fa02a9 100644 --- a/pkg/webrtc/webrtc.go +++ b/pkg/webrtc/webrtc.go @@ -31,6 +31,7 @@ func iceGather(conn *webrtc.PeerConnection) <-chan *webrtc.ICECandidate { type webrtcSession struct { Offer webrtc.SessionDescription + Answer webrtc.SessionDescription Candidates []*webrtc.ICECandidate } From c11c7957cac106599904752f3a39db8f205fa877 Mon Sep 17 00:00:00 2001 From: Marcus Weiner Date: Mon, 12 Feb 2024 00:13:10 +0100 Subject: [PATCH 6/8] Refactor to use unidirectional ICE with HTTP3 --- .terraformignore | 1 + cmd/webrtc-downloader/main.go | 4 +- go.mod | 45 ++++----- go.sum | 179 ++++++++-------------------------- pkg/quicpunch/adapter.go | 28 ++++++ pkg/quicpunch/cert.go | 59 +++++++++++ pkg/quicpunch/client.go | 83 ++++++++++++++++ pkg/quicpunch/ice.go | 92 +++++++++++++++++ pkg/quicpunch/server.go | 122 +++++++++++++++++++++++ pkg/webrtc/remote.go | 74 -------------- pkg/webrtc/webrtc.go | 41 -------- 11 files changed, 445 insertions(+), 283 deletions(-) create mode 100644 pkg/quicpunch/adapter.go create mode 100644 pkg/quicpunch/cert.go create mode 100644 pkg/quicpunch/client.go create mode 100644 pkg/quicpunch/ice.go create mode 100644 pkg/quicpunch/server.go delete mode 100644 pkg/webrtc/remote.go delete mode 100644 pkg/webrtc/webrtc.go diff --git a/.terraformignore b/.terraformignore index 93c753e..a91473e 100644 --- a/.terraformignore +++ b/.terraformignore @@ -1,4 +1,5 @@ /.github/ /cmd/ +/pkg/ /go.* *.tar.gz diff --git a/cmd/webrtc-downloader/main.go b/cmd/webrtc-downloader/main.go index 0fa85a2..99c1df8 100644 --- a/cmd/webrtc-downloader/main.go +++ b/cmd/webrtc-downloader/main.go @@ -8,7 +8,7 @@ import ( "os/signal" "syscall" - webrtclib "github.com/ffddorf/tf-preview-github/pkg/webrtc" + "github.com/ffddorf/tf-preview-github/pkg/quicpunch" ) func main() { @@ -24,7 +24,7 @@ func main() { panic(err) } defer f.Close() - if err := webrtclib.RemoteChannel(ctx, session, nil); err != nil { + if err := quicpunch.FetchWorkspace(ctx, session, f); err != nil { panic(err) } fmt.Println("Done downloading") diff --git a/go.mod b/go.mod index e4e1a99..30691a9 100644 --- a/go.mod +++ b/go.mod @@ -5,45 +5,36 @@ go 1.21.5 require ( github.com/cenkalti/backoff v2.2.1+incompatible github.com/google/go-github/v57 v57.0.0 - github.com/hashicorp/go-slug v0.13.3 - github.com/pion/webrtc/v3 v3.2.24 - golang.ngrok.com/ngrok v1.7.0 + github.com/hashicorp/go-slug v0.14.0 + github.com/pion/ice/v2 v2.3.13 + github.com/pion/stun v0.6.1 + github.com/quic-go/quic-go v0.41.0 ) require ( github.com/davecgh/go-spew v1.1.1 // indirect - github.com/go-stack/stack v1.8.1 // indirect + github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect github.com/google/go-querystring v1.1.0 // indirect + github.com/google/pprof v0.0.0-20240207164012-fb44976bdcd5 // indirect github.com/google/uuid v1.6.0 // indirect - github.com/inconshreveable/log15 v3.0.0-testing.5+incompatible // indirect - github.com/inconshreveable/log15/v3 v3.0.0-testing.5 // indirect - github.com/jpillora/backoff v1.0.0 // indirect - github.com/mattn/go-colorable v0.1.13 // indirect - github.com/mattn/go-isatty v0.0.20 // indirect - github.com/pion/datachannel v1.5.5 // indirect + github.com/onsi/ginkgo/v2 v2.15.0 // indirect github.com/pion/dtls/v2 v2.2.10 // indirect - github.com/pion/ice/v2 v2.3.12 // indirect - github.com/pion/interceptor v0.1.25 // indirect github.com/pion/logging v0.2.2 // indirect - github.com/pion/mdns v0.0.10 // indirect + github.com/pion/mdns v0.0.12 // indirect github.com/pion/randutil v0.1.0 // indirect - github.com/pion/rtcp v1.2.13 // indirect - github.com/pion/rtp v1.8.3 // indirect - github.com/pion/sctp v1.8.10 // indirect - github.com/pion/sdp/v3 v3.0.6 // indirect - github.com/pion/srtp/v2 v2.0.18 // indirect - github.com/pion/stun v0.6.1 // indirect github.com/pion/transport/v2 v2.2.4 // indirect - github.com/pion/turn/v2 v2.1.4 // indirect + github.com/pion/turn/v2 v2.1.5 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/quic-go/qpack v0.4.0 // indirect github.com/stretchr/testify v1.8.4 // indirect - go.uber.org/multierr v1.11.0 // indirect - golang.ngrok.com/muxado/v2 v2.0.0 // indirect - golang.org/x/crypto v0.18.0 // indirect - golang.org/x/net v0.20.0 // indirect - golang.org/x/sync v0.6.0 // indirect - golang.org/x/sys v0.16.0 // indirect - golang.org/x/term v0.16.0 // indirect + go.uber.org/mock v0.4.0 // indirect + golang.org/x/crypto v0.19.0 // indirect + golang.org/x/exp v0.0.0-20240205201215-2c58cdc269a3 // indirect + golang.org/x/mod v0.15.0 // indirect + golang.org/x/net v0.21.0 // indirect + golang.org/x/sys v0.17.0 // indirect + golang.org/x/text v0.14.0 // indirect + golang.org/x/tools v0.17.0 // indirect google.golang.org/protobuf v1.32.0 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect ) diff --git a/go.sum b/go.sum index ad17bac..e42c11e 100644 --- a/go.sum +++ b/go.sum @@ -3,246 +3,147 @@ github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QH github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= -github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= -github.com/go-stack/stack v1.8.1 h1:ntEHSVwIt7PNXNpgPmVfMrNhLtgjlmnZha2kOpuRiDw= -github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4= -github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE= -github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= -github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= -github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= -github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= -github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= -github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= -github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= -github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= -github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= -github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= -github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= -github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY= +github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= +github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI= +github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls= +github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg= +github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= -github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/go-github/v57 v57.0.0 h1:L+Y3UPTY8ALM8x+TV0lg+IEBI+upibemtBD8Q9u7zHs= github.com/google/go-github/v57 v57.0.0/go.mod h1:s0omdnye0hvK/ecLvpsGfJMiRt85PimQh4oygmLIxHw= github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8= github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU= +github.com/google/pprof v0.0.0-20240207164012-fb44976bdcd5 h1:E/LAvt58di64hlYjx7AsNS6C/ysHWYo+2qPCZKTQhRo= +github.com/google/pprof v0.0.0-20240207164012-fb44976bdcd5/go.mod h1:czg5+yv1E0ZGTi6S6vVK1mke0fV+FaUhNGcd6VRS9Ik= github.com/google/uuid v1.3.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= -github.com/hashicorp/go-slug v0.13.3 h1:JiYNpOkD0HmMWw/lNYiBAUD6+WIBIV7UftKiqIbpNqM= -github.com/hashicorp/go-slug v0.13.3/go.mod h1:RA4C+ezyC2nDsiPM5+1djqagveBBJdSN/fM2QCUziYQ= -github.com/hashicorp/yamux v0.1.1 h1:yrQxtgseBDrq9Y652vSRDvsKCJKOUD+GzTS4Y0Y8pvE= -github.com/hashicorp/yamux v0.1.1/go.mod h1:CtWFDAQgb7dxtzFs4tWbplKIe2jSi3+5vKbgIO0SLnQ= -github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= -github.com/inconshreveable/log15 v3.0.0-testing.5+incompatible h1:VryeOTiaZfAzwx8xBcID1KlJCeoWSIpsNbSk+/D2LNk= -github.com/inconshreveable/log15 v3.0.0-testing.5+incompatible/go.mod h1:cOaXtrgN4ScfRrD9Bre7U1thNq5RtJ8ZoP4iXVGRj6o= -github.com/inconshreveable/log15/v3 v3.0.0-testing.5 h1:h4e0f3kjgg+RJBlKOabrohjHe47D3bbAB9BgMrc3DYA= -github.com/inconshreveable/log15/v3 v3.0.0-testing.5/go.mod h1:3GQg1SVrLoWGfRv/kAZMsdyU5cp8eFc1P3cw+Wwku94= -github.com/jpillora/backoff v1.0.0 h1:uvFg412JmmHBHw7iwprIxkPMI+sGQ4kzOWsMeHnm2EA= -github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4= +github.com/hashicorp/go-slug v0.14.0 h1:/aZdUDjR74TSlsQp3hA9nqhCQkQHAUr2jjtuUfWqI9E= +github.com/hashicorp/go-slug v0.14.0/go.mod h1:THWVTAXwJEinbsp4/bBRcmbaO5EYNLTqxbG4tZ3gCYQ= github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI= github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= -github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA= -github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg= -github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM= -github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY= -github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= -github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A= -github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU= -github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= -github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk= -github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vvnwo0= -github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU= -github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY= -github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo= -github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY= -github.com/pion/datachannel v1.5.5 h1:10ef4kwdjije+M9d7Xm9im2Y3O6A6ccQb0zcqZcJew8= -github.com/pion/datachannel v1.5.5/go.mod h1:iMz+lECmfdCMqFRhXhcA/219B0SQlbpoR2V118yimL0= +github.com/onsi/ginkgo/v2 v2.15.0 h1:79HwNRBAZHOEwrczrgSOPy+eFTTlIGELKy5as+ClttY= +github.com/onsi/ginkgo/v2 v2.15.0/go.mod h1:HlxMHtYF57y6Dpf+mc5529KKmSq9h2FpCF+/ZkwUxKM= +github.com/onsi/gomega v1.30.0 h1:hvMK7xYz4D3HapigLTeGdId/NcfQx1VHMJc60ew99+8= +github.com/onsi/gomega v1.30.0/go.mod h1:9sxs+SwGrKI0+PWe4Fxa9tFQQBG5xSsSbMXOI8PPpoQ= github.com/pion/dtls/v2 v2.2.7/go.mod h1:8WiMkebSHFD0T+dIU+UeBaoV7kDhOW5oDCzZ7WZ/F9s= github.com/pion/dtls/v2 v2.2.10 h1:u2Axk+FyIR1VFTPurktB+1zoEPGIW3bmyj3LEFrXjAA= github.com/pion/dtls/v2 v2.2.10/go.mod h1:d9SYc9fch0CqK90mRk1dC7AkzzpwJj6u2GU3u+9pqFE= -github.com/pion/ice/v2 v2.3.11/go.mod h1:hPcLC3kxMa+JGRzMHqQzjoSj3xtE9F+eoncmXLlCL4E= -github.com/pion/ice/v2 v2.3.12 h1:NWKW2b3+oSZS3klbQMIEWQ0i52Kuo0KBg505a5kQv4s= -github.com/pion/ice/v2 v2.3.12/go.mod h1:hPcLC3kxMa+JGRzMHqQzjoSj3xtE9F+eoncmXLlCL4E= -github.com/pion/interceptor v0.1.25 h1:pwY9r7P6ToQ3+IF0bajN0xmk/fNw/suTgaTdlwTDmhc= -github.com/pion/interceptor v0.1.25/go.mod h1:wkbPYAak5zKsfpVDYMtEfWEy8D4zL+rpxCxPImLOg3Y= +github.com/pion/ice/v2 v2.3.13 h1:xOxP+4V9nSDlUaGFRf/LvAuGHDXRcjIdsbbXPK/w7c8= +github.com/pion/ice/v2 v2.3.13/go.mod h1:KXJJcZK7E8WzrBEYnV4UtqEZsGeWfHxsNqhVcVvgjxw= 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h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= -gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= -gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/pkg/quicpunch/adapter.go b/pkg/quicpunch/adapter.go new file mode 100644 index 0000000..a4f2591 --- /dev/null +++ b/pkg/quicpunch/adapter.go @@ -0,0 +1,28 @@ +package quicpunch + +import ( + "errors" + "net" + + "github.com/pion/ice/v2" +) + +var _ net.PacketConn = &packetConnAdapter{} + +type packetConnAdapter struct { + *ice.Conn +} + +func (c *packetConnAdapter) ReadFrom(p []byte) (n int, addr net.Addr, err error) { + addr = c.Conn.RemoteAddr() + n, err = c.Conn.Read(p) + return +} + +func (c *packetConnAdapter) WriteTo(p []byte, addr net.Addr) (n int, err error) { + if addr != c.Conn.RemoteAddr() { + return 0, errors.New("invalid target address: doesn't match ICE peer") + } + n, err = c.Conn.Write(p) + return +} diff --git a/pkg/quicpunch/cert.go b/pkg/quicpunch/cert.go new file mode 100644 index 0000000..07c6e55 --- /dev/null +++ b/pkg/quicpunch/cert.go @@ -0,0 +1,59 @@ +package quicpunch + +import ( + "crypto" + "crypto/rand" + "crypto/rsa" + "crypto/tls" + "crypto/x509" + "crypto/x509/pkix" + "math/big" + "time" +) + +func makeCert(names []string, caRoot []byte, caPrivateKey crypto.PrivateKey) (tls.Certificate, error) { + pk, err := rsa.GenerateKey(rand.Reader, 2048) + if err != nil { + return tls.Certificate{}, err + } + + template := x509.Certificate{ + SerialNumber: big.NewInt(1), + Subject: pkix.Name{ + Organization: []string{"Local"}, + }, + DNSNames: names, + NotBefore: time.Now(), + NotAfter: time.Now().Add(time.Hour), + + // these might get overridden if we have a CA to sign with + IsCA: true, + KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign, + + ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, + BasicConstraintsValid: true, + } + + caCert := &template + var signingKey crypto.PrivateKey = pk + if len(caRoot) > 0 { + template.IsCA = false + template.KeyUsage = x509.KeyUsageDigitalSignature | x509.KeyUsageKeyEncipherment + caCert, err = x509.ParseCertificate(caRoot) + if err != nil { + return tls.Certificate{}, err + } + signingKey = caPrivateKey + } + + derBytes, err := x509.CreateCertificate(rand.Reader, &template, caCert, &pk.PublicKey, signingKey) + if err != nil { + return tls.Certificate{}, err + } + + var cert tls.Certificate + cert.Certificate = append(cert.Certificate, derBytes) + cert.PrivateKey = pk + + return cert, nil +} diff --git a/pkg/quicpunch/client.go b/pkg/quicpunch/client.go new file mode 100644 index 0000000..13c5beb --- /dev/null +++ b/pkg/quicpunch/client.go @@ -0,0 +1,83 @@ +package quicpunch + +import ( + "context" + "crypto/tls" + "crypto/x509" + "encoding/base64" + "encoding/json" + "fmt" + "io" + "net/http" + + "github.com/pion/ice/v2" + "github.com/quic-go/quic-go" + "github.com/quic-go/quic-go/http3" +) + +func FetchWorkspace(ctx context.Context, peerInfo string, dst io.Writer) error { + peerInfoJSON, err := base64.StdEncoding.DecodeString(peerInfo) + if err != nil { + return err + } + var sess session + if err := json.Unmarshal(peerInfoJSON, &sess); err != nil { + return err + } + + agent, err := startAgent(ctx, sess.RemoteFrag, sess.RemotePwd, false) + if err != nil { + return err + } + if err := agent.SetRemoteCredentials(sess.LocalFrag, sess.LocalPwd); err != nil { + return err + } + for _, candidateRaw := range sess.Candidates { + candidate, err := ice.UnmarshalCandidate(candidateRaw) + if err != nil { + return err + } + if err := agent.AddRemoteCandidate(candidate); err != nil { + return err + } + } + + // if err := agent.GatherCandidates(); err != nil { + // return err + // } + + conn, err := agent.Dial(ctx, sess.LocalFrag, sess.LocalPwd) + if err != nil { + return err + } + + tr := quic.Transport{ + Conn: &packetConnAdapter{conn}, + } + certPool := x509.NewCertPool() + certPool.AppendCertsFromPEM([]byte(sess.TrustCert)) + client := http.Client{ + Transport: &http3.RoundTripper{ + TLSClientConfig: &tls.Config{ + RootCAs: certPool, + }, + Dial: func(ctx context.Context, addr string, tlsConf *tls.Config, quicConf *quic.Config) (quic.EarlyConnection, error) { + return tr.DialEarly(ctx, conn.RemoteAddr(), tlsConf, quicConf) + }, + }, + } + + resp, err := client.Get("https://workspace.local/") + if err != nil { + return err + } + if resp.StatusCode != http.StatusOK { + return fmt.Errorf("invalid status code response: %d", resp.StatusCode) + } + + if _, err := io.Copy(dst, resp.Body); err != nil { + return err + } + + return nil +} diff --git a/pkg/quicpunch/ice.go b/pkg/quicpunch/ice.go new file mode 100644 index 0000000..76b5902 --- /dev/null +++ b/pkg/quicpunch/ice.go @@ -0,0 +1,92 @@ +package quicpunch + +import ( + "context" + "crypto/rand" + "encoding/hex" + "fmt" + + "github.com/pion/ice/v2" + "github.com/pion/stun" +) + +var ( + urls = []*stun.URI{ + { + Scheme: stun.SchemeTypeSTUN, + Host: "stun.l.google.com", + Port: 19302, + }, + } + networkTypes = []ice.NetworkType{ + ice.NetworkTypeUDP4, + ice.NetworkTypeUDP6, + } +) + +type session struct { + Candidates []string + + LocalFrag string + LocalPwd string + + RemoteFrag string + RemotePwd string + + TrustCert string // PEM +} + +func genCreds() (string, string, error) { + frag := make([]byte, 5) + if _, err := rand.Read(frag); err != nil { + return "", "", err + } + + pwd := make([]byte, 16) + if _, err := rand.Read(pwd); err != nil { + return "", "", err + } + + return hex.EncodeToString(frag), hex.EncodeToString(pwd), nil +} + +func startAgent(ctx context.Context, localUfrag, localPwd string, waitForCandidates bool) (*ice.Agent, error) { + config := &ice.AgentConfig{ + Urls: urls, + LocalUfrag: localUfrag, + LocalPwd: localPwd, + NetworkTypes: networkTypes, + } + + agent, err := ice.NewAgent(config) + if err != nil { + return nil, err + } + + _ = agent.OnConnectionStateChange(func(cs ice.ConnectionState) { + fmt.Printf("connection state changed: %s\n", cs) + }) + _ = agent.OnSelectedCandidatePairChange(func(c1, c2 ice.Candidate) { + fmt.Printf("selected pair changed: %s <-> %s\n", c1, c2) + }) + + gatheringDone := make(chan struct{}) + _ = agent.OnCandidate(func(c ice.Candidate) { + if c == nil { + close(gatheringDone) + } + }) + + if err := agent.GatherCandidates(); err != nil { + return nil, err + } + + if waitForCandidates { + select { + case <-ctx.Done(): + case <-gatheringDone: + } + } + + return agent, nil +} diff --git a/pkg/quicpunch/server.go b/pkg/quicpunch/server.go new file mode 100644 index 0000000..1b9ff76 --- /dev/null +++ b/pkg/quicpunch/server.go @@ -0,0 +1,122 @@ +package quicpunch + +import ( + "context" + "crypto/tls" + "encoding/base64" + "encoding/json" + "encoding/pem" + "fmt" + "net/http" + "strings" + "time" + + "github.com/hashicorp/go-slug" + "github.com/pion/ice/v2" + "github.com/quic-go/quic-go/http3" +) + +func packageServer(dir string) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + fmt.Println("got workspace request") + _, err := slug.Pack(dir, w, true) + if err != nil { + fmt.Printf("failed to pack workspace: %v\n", err) + http.Error(w, "failed to pack workspace", http.StatusInternalServerError) + } + }) +} + +func prepareSession(ctx context.Context, sess *session) (*ice.Agent, error) { + localUfrag, localPwd, err := genCreds() + if err != nil { + return nil, err + } + remoteUfrag, remotePwd, err := genCreds() + if err != nil { + return nil, err + } + + agent, err := startAgent(ctx, localUfrag, localPwd, true) + if err != nil { + return nil, err + } + localCandidates, err := agent.GetLocalCandidates() + if err != nil { + return nil, err + } + candidates := make([]string, 0, len(localCandidates)) + for _, cand := range localCandidates { + candidates = append(candidates, cand.Marshal()) + } + fmt.Println("gathering complete") + + if err := agent.SetRemoteCredentials(remoteUfrag, remotePwd); err != nil { + return nil, err + } + + sess.Candidates = candidates + sess.LocalFrag = localUfrag + sess.LocalPwd = localPwd + sess.RemoteFrag = remoteUfrag + sess.RemotePwd = remotePwd + + return agent, nil +} + +func ServeWorkspace(ctx context.Context, dir string) (string, func(context.Context) error, error) { + caCert, err := makeCert(nil, nil, nil) + if err != nil { + return "", nil, err + } + serverCert, err := makeCert( + []string{"workspace.local"}, + caCert.Certificate[0], + caCert.PrivateKey, + ) + if err != nil { + return "", nil, err + } + + sess := session{ + TrustCert: string(pem.EncodeToMemory( + &pem.Block{Type: "CERTIFICATE", Bytes: caCert.Certificate[0]}, + )), + } + agent, err := prepareSession(ctx, &sess) + if err != nil { + return "", nil, err + } + + out := new(strings.Builder) + enc := base64.NewEncoder(base64.StdEncoding, out) + if err := json.NewEncoder(enc).Encode(&sess); err != nil { + return "", nil, err + } + _ = enc.Close() + + start := func(ctx context.Context) error { + conn, err := agent.Accept(ctx, sess.RemoteFrag, sess.RemotePwd) + if err != nil { + return err + } + + s := http3.Server{ + Handler: packageServer(dir), + TLSConfig: &tls.Config{ + Certificates: []tls.Certificate{serverCert}, + }, + } + go func() { + <-ctx.Done() + err := s.CloseGracefully(10 * time.Second) + if err != nil { + fmt.Printf("failed to shutdown server: %v", err) + } + }() + + return s.Serve(&packetConnAdapter{conn}) + } + + return out.String(), start, nil +} diff --git a/pkg/webrtc/remote.go b/pkg/webrtc/remote.go deleted file mode 100644 index 46f8845..0000000 --- a/pkg/webrtc/remote.go +++ /dev/null @@ -1,74 +0,0 @@ -package webrtc - -import ( - "context" - "encoding/base64" - "encoding/json" - "fmt" - "io" - - "github.com/pion/webrtc/v3" -) - -func RemoteChannel(ctx context.Context, localSession string, dst io.Writer) error { - ctx, cancel := context.WithCancel(ctx) - defer cancel() - - peerConnection, err := webrtc.NewPeerConnection(config) - if err != nil { - return err - } - defer func() { - _ = peerConnection.Close() - }() - - iceGatheringDone := iceGather(peerConnection) - peerConnection.OnConnectionStateChange(func(s webrtc.PeerConnectionState) { - fmt.Printf("Peer Connection State has changed: %s\n", s.String()) - if s == webrtc.PeerConnectionStateFailed { - cancel() - } - }) - peerConnection.OnDataChannel(func(d *webrtc.DataChannel) { - fmt.Printf("New DataChannel %s %d\n", d.Label(), d.ID()) - - d.OnMessage(func(msg webrtc.DataChannelMessage) { - _, err := dst.Write(msg.Data) - if err != nil { - fmt.Printf("failed to write to destination: %v\n", err) - cancel() - } - }) - d.OnClose(cancel) - }) - - sessJSON, err := base64.StdEncoding.DecodeString(localSession) - if err != nil { - return err - } - var sess webrtcSession - if err := json.Unmarshal(sessJSON, &sess); err != nil { - return err - } - - if err := peerConnection.SetRemoteDescription(sess.Offer); err != nil { - return err - } - - for _, candidate := range sess.Candidates { - if err := peerConnection.AddICECandidate(candidate.ToJSON()); err != nil { - return err - } - } - - if err := peerConnection.SetLocalDescription(sess.Answer); err != nil { - return err - } - - for candidate := range iceGatheringDone { - fmt.Printf("WEBRTC-CANDIDATE:%s\n", candidate.ToJSON().Candidate) - } - - <-ctx.Done() - return nil -} diff --git a/pkg/webrtc/webrtc.go b/pkg/webrtc/webrtc.go deleted file mode 100644 index 8fa02a9..0000000 --- a/pkg/webrtc/webrtc.go +++ /dev/null @@ -1,41 +0,0 @@ -package webrtc - -import ( - "fmt" - - "github.com/pion/webrtc/v3" -) - -var config = webrtc.Configuration{ - ICEServers: []webrtc.ICEServer{ - { - URLs: []string{"stun:stun.l.google.com:19302"}, - }, - }, -} - -func iceGather(conn *webrtc.PeerConnection) <-chan *webrtc.ICECandidate { - candidates := make(chan *webrtc.ICECandidate) - conn.OnICECandidate(func(c *webrtc.ICECandidate) { - if c == nil { - fmt.Println("ICE gathering done") - close(candidates) - return - } - - fmt.Printf("got ICE candidate: %v\n", c) - candidates <- c - }) - return candidates -} - -type webrtcSession struct { - Offer webrtc.SessionDescription - Answer webrtc.SessionDescription - Candidates []*webrtc.ICECandidate -} - -type Channel interface { - SetRemoteDescription(webrtc.SessionDescription) error - AddICECandidate(webrtc.ICECandidateInit) error -} From 153cc0241a400a21e0ed9a430a74932908d820bf Mon Sep 17 00:00:00 2001 From: Marcus Weiner Date: Mon, 12 Feb 2024 00:21:29 +0100 Subject: [PATCH 7/8] Improve downloader diagnostics --- pkg/quicpunch/client.go | 26 +++++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/pkg/quicpunch/client.go b/pkg/quicpunch/client.go index 13c5beb..bf9e92f 100644 --- a/pkg/quicpunch/client.go +++ b/pkg/quicpunch/client.go @@ -29,6 +29,25 @@ func FetchWorkspace(ctx context.Context, peerInfo string, dst io.Writer) error { if err != nil { return err } + + dialCtx, cancel := context.WithCancel(ctx) + if err := agent.OnConnectionStateChange(func(cs ice.ConnectionState) { + if cs == ice.ConnectionStateFailed { + cancel() + } + }); err != nil { + return err + } + + if err := agent.OnCandidate(func(c ice.Candidate) { + if c == nil { + return + } + fmt.Printf("got local candidate: %v\n", c) + }); err != nil { + return err + } + if err := agent.SetRemoteCredentials(sess.LocalFrag, sess.LocalPwd); err != nil { return err } @@ -42,11 +61,8 @@ func FetchWorkspace(ctx context.Context, peerInfo string, dst io.Writer) error { } } - // if err := agent.GatherCandidates(); err != nil { - // return err - // } - - conn, err := agent.Dial(ctx, sess.LocalFrag, sess.LocalPwd) + fmt.Println("dialing ICE connection") + conn, err := agent.Dial(dialCtx, sess.LocalFrag, sess.LocalPwd) if err != nil { return err } From ee2ff4b8a79adb354521f8c86c13ac4c424dad41 Mon Sep 17 00:00:00 2001 From: Marcus Weiner Date: Sat, 27 Apr 2024 18:43:48 +0200 Subject: [PATCH 8/8] wip --- cmd/tf-preview-gh/main.go | 89 ++++++++------------------------------- pkg/quicpunch/ice.go | 11 +++-- 2 files changed, 25 insertions(+), 75 deletions(-) diff --git a/cmd/tf-preview-gh/main.go b/cmd/tf-preview-gh/main.go index 9e939a1..9721468 100644 --- a/cmd/tf-preview-gh/main.go +++ b/cmd/tf-preview-gh/main.go @@ -17,77 +17,10 @@ import ( "time" "github.com/cenkalti/backoff" + "github.com/ffddorf/tf-preview-github/pkg/quicpunch" "github.com/google/go-github/v57/github" - "github.com/hashicorp/go-slug" - "golang.ngrok.com/ngrok" - "golang.ngrok.com/ngrok/config" ) -type LocalContent struct { - dir string -} - -func (c *LocalContent) ServeHTTP(rw http.ResponseWriter, req *http.Request) { - rw.Header().Set("Content-Type", "application/octet-stream") - - _, err := slug.Pack(c.dir, rw, true) - if err != nil { - fmt.Printf("failed to pack contents: %+v\n", err) - return - } - - fmt.Println("workspace was downloaded") -} - -func startServer(ctx context.Context) (string, error) { - listenerCtx, cancelListener := context.WithCancel(context.Background()) - - connected := make(chan struct{}) - go func() { - select { - case <-connected: - case <-time.After(10 * time.Second): - cancelListener() - } - }() - - listener, err := ngrok.Listen(listenerCtx, config.HTTPEndpoint(), ngrok.WithAuthtokenFromEnv()) - if err != nil { - return "", err - } - close(connected) - - cwd, err := os.Getwd() - if err != nil { - listener.Close() - return "", err - } - handler := &LocalContent{ - dir: cwd, - } - - server := &http.Server{ - Handler: handler, - } - - go func() { - <-ctx.Done() - shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second) - defer cancel() - if err := server.Shutdown(shutdownCtx); err != nil { - fmt.Printf("failed to shutdown server: %+v\n", err) - } - }() - - go func() { - if err := server.Serve(listener); err != http.ErrServerClosed { - fmt.Printf("server failed: %+v\n", err) - } - }() - - return listener.URL(), nil -} - type countingReader struct { io.Reader readBytes int @@ -152,6 +85,7 @@ func streamLogs(logsURL *url.URL, skip int64) (int64, error) { var ( owner string repo string + workflowRef string workflowFilename string ) @@ -162,16 +96,28 @@ func main() { flag.StringVar(&owner, "github-owner", "ffddorf", "Repository owner") flag.StringVar(&repo, "github-repo", "", "Repository name") flag.StringVar(&workflowFilename, "workflow-file", "preview.yaml", "Name of the workflow file to run for previews") + flag.StringVar(&workflowRef, "workflow-ref", "main", "Ref to run the workflow from") flag.Parse() if repo == "" { panic("Missing flag: -github-repo") } - serverURL, err := startServer(ctx) + cwd, err := os.Getwd() + if err != nil { + panic(err) + } + + sess, serve, err := quicpunch.ServeWorkspace(ctx, cwd) if err != nil { panic(err) } + go func() { + err := serve(ctx) + if err != nil { + fmt.Printf("workspace server failed: %v", err) + } + }() // steal token from GH CLI cmd := exec.CommandContext(ctx, "gh", "auth", "token") @@ -189,9 +135,9 @@ func main() { _, err = gh.Actions.CreateWorkflowDispatchEventByFileName(ctx, owner, repo, workflowFilename, github.CreateWorkflowDispatchEventRequest{ - Ref: "main", + Ref: workflowRef, Inputs: map[string]interface{}{ - "workspace_transfer_url": serverURL, + "webrtc-session": sess, }, }, ) @@ -208,6 +154,7 @@ func main() { ctx, owner, repo, workflowFilename, &github.ListWorkflowRunsOptions{ Created: fmt.Sprintf(">=%s", startedAt.Format("2006-01-02T15:04")), + Branch: workflowRef, }, ) if err != nil { diff --git a/pkg/quicpunch/ice.go b/pkg/quicpunch/ice.go index 76b5902..1f43f61 100644 --- a/pkg/quicpunch/ice.go +++ b/pkg/quicpunch/ice.go @@ -5,6 +5,7 @@ import ( "crypto/rand" "encoding/hex" "fmt" + "time" "github.com/pion/ice/v2" "github.com/pion/stun" @@ -51,11 +52,13 @@ func genCreds() (string, string, error) { } func startAgent(ctx context.Context, localUfrag, localPwd string, waitForCandidates bool) (*ice.Agent, error) { + timeout := 5 * time.Minute config := &ice.AgentConfig{ - Urls: urls, - LocalUfrag: localUfrag, - LocalPwd: localPwd, - NetworkTypes: networkTypes, + Urls: urls, + LocalUfrag: localUfrag, + LocalPwd: localPwd, + NetworkTypes: networkTypes, + FailedTimeout: &timeout, } agent, err := ice.NewAgent(config)