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Alim Shapiev
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Nov 3, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,80 +1,22 @@ | ||
| // Copyright 2024 The Outline Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
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| package configurl | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/Jigsaw-Code/outline-sdk/x/fake" | ||
| "strconv" | ||
|
|
||
| "github.com/Jigsaw-Code/outline-sdk/transport" | ||
| "github.com/Jigsaw-Code/outline-sdk/x/fake" | ||
| ) | ||
|
|
||
| // tls wikipedia request | ||
| var tlsData = [517]byte{ | ||
| 0x16, 0x03, 0x01, 0x02, 0x00, 0x01, 0x00, 0x01, 0xfc, 0x03, 0x03, 0x03, 0x5f, | ||
| 0x6f, 0x2c, 0xed, 0x13, 0x22, 0xf8, 0xdc, 0xb2, 0xf2, 0x60, 0x48, 0x2d, 0x72, | ||
| 0x66, 0x6f, 0x57, 0xdd, 0x13, 0x9d, 0x1b, 0x37, 0xdc, 0xfa, 0x36, 0x2e, 0xba, | ||
| 0xf9, 0x92, 0x99, 0x3a, 0x20, 0xf9, 0xdf, 0x0c, 0x2e, 0x8a, 0x55, 0x89, 0x82, | ||
| 0x31, 0x63, 0x1a, 0xef, 0xa8, 0xbe, 0x08, 0x58, 0xa7, 0xa3, 0x5a, 0x18, 0xd3, | ||
| 0x96, 0x5f, 0x04, 0x5c, 0xb4, 0x62, 0xaf, 0x89, 0xd7, 0x0f, 0x8b, 0x00, 0x3e, | ||
| 0x13, 0x02, 0x13, 0x03, 0x13, 0x01, 0xc0, 0x2c, 0xc0, 0x30, 0x00, 0x9f, 0xcc, | ||
| 0xa9, 0xcc, 0xa8, 0xcc, 0xaa, 0xc0, 0x2b, 0xc0, 0x2f, 0x00, 0x9e, 0xc0, 0x24, | ||
| 0xc0, 0x28, 0x00, 0x6b, 0xc0, 0x23, 0xc0, 0x27, 0x00, 0x67, 0xc0, 0x0a, 0xc0, | ||
| 0x14, 0x00, 0x39, 0xc0, 0x09, 0xc0, 0x13, 0x00, 0x33, 0x00, 0x9d, 0x00, 0x9c, | ||
| 0x00, 0x3d, 0x00, 0x3c, 0x00, 0x35, 0x00, 0x2f, 0x00, 0xff, 0x01, 0x00, 0x01, | ||
| 0x75, 0x00, 0x00, 0x00, 0x16, 0x00, 0x14, 0x00, 0x00, 0x11, 0x77, 0x77, 0x77, | ||
| 0x2e, 0x77, 0x69, 0x6b, 0x69, 0x70, 0x65, 0x64, 0x69, 0x61, 0x2e, 0x6f, 0x72, | ||
| 0x67, 0x00, 0x0b, 0x00, 0x04, 0x03, 0x00, 0x01, 0x02, 0x00, 0x0a, 0x00, 0x16, | ||
| 0x00, 0x14, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x1e, 0x00, 0x19, 0x00, 0x18, 0x01, | ||
| 0x00, 0x01, 0x01, 0x01, 0x02, 0x01, 0x03, 0x01, 0x04, 0x00, 0x10, 0x00, 0x0e, | ||
| 0x00, 0x0c, 0x02, 0x68, 0x32, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x31, 0x2e, | ||
| 0x31, 0x00, 0x16, 0x00, 0x00, 0x00, 0x17, 0x00, 0x00, 0x00, 0x31, 0x00, 0x00, | ||
| 0x00, 0x0d, 0x00, 0x2a, 0x00, 0x28, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x08, | ||
| 0x07, 0x08, 0x08, 0x08, 0x09, 0x08, 0x0a, 0x08, 0x0b, 0x08, 0x04, 0x08, 0x05, | ||
| 0x08, 0x06, 0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x03, 0x03, 0x03, 0x01, 0x03, | ||
| 0x02, 0x04, 0x02, 0x05, 0x02, 0x06, 0x02, 0x00, 0x2b, 0x00, 0x09, 0x08, 0x03, | ||
| 0x04, 0x03, 0x03, 0x03, 0x02, 0x03, 0x01, 0x00, 0x2d, 0x00, 0x02, 0x01, 0x01, | ||
| 0x00, 0x33, 0x00, 0x26, 0x00, 0x24, 0x00, 0x1d, 0x00, 0x20, 0x11, 0x8c, 0xb8, | ||
| 0x8c, 0xe8, 0x8a, 0x08, 0x90, 0x1e, 0xee, 0x19, 0xd9, 0xdd, 0xe8, 0xd4, 0x06, | ||
| 0xb1, 0xd1, 0xe2, 0xab, 0xe0, 0x16, 0x63, 0xd6, 0xdc, 0xda, 0x84, 0xa4, 0xb8, | ||
| 0x4b, 0xfb, 0x0e, 0x00, 0x15, 0x00, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| } | ||
| var httpData = []byte("GET / HTTP/1.1\r\nHost: www.wikipedia.org\r\n\r\n") | ||
| var udpData [64]byte | ||
|
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| func registerFakeStreamDialer(r TypeRegistry[transport.StreamDialer], typeID string, newSD BuildFunc[transport.StreamDialer]) { | ||
| r.RegisterType(typeID, func(ctx context.Context, config *Config) (transport.StreamDialer, error) { | ||
| sd, err := newSD(ctx, config.BaseConfig) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| prefixBytesStr := config.URL.Opaque | ||
| prefixBytes, err := strconv.Atoi(prefixBytesStr) | ||
| settings, err := fake.ParseSettings(config.URL.Opaque) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("prefixBytes is not a number: %v. Fake config should be in fake:<number> format", prefixBytesStr) | ||
| return nil, fmt.Errorf("failed to parse settings: %w", err) | ||
| } | ||
| // TODO: Read fake data from the CLI or use a default value (depending on the protocol). | ||
| var fakeData []byte | ||
| // TODO: Read fake offset from the CLI | ||
| var fakeOffset int64 = 0 | ||
| // TODO: Read fake TTL from the CLI or use a default value (8) | ||
| var fakeTtl int = 8 | ||
| // TODO: Read md5 signature from the CLI or use a default value (false). | ||
| var md5Sig bool = false | ||
| return fake.NewStreamDialer(sd, int64(prefixBytes), fakeData, fakeOffset, fakeTtl, md5Sig) | ||
| return fake.NewStreamDialer(sd, settings.FakeData, settings.FakeOffset, settings.FakeBytes, settings.FakeTtl, settings.Md5Sig) | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package fake | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strconv" | ||
| "strings" | ||
| ) | ||
|
|
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| const defaultTtl = 8 | ||
|
|
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| type Settings struct { | ||
| FakeData []byte | ||
| FakeOffset int64 | ||
| FakeBytes int64 | ||
| FakeTtl int | ||
| Md5Sig bool | ||
| } | ||
|
|
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| // ParseSettings expects the settings to be in the format "[data(str)]:<offset(int)>:<bytes(int)>:<ttl(int)>:<Md5Sig(int=0/1)>" | ||
| func ParseSettings(raw string) (*Settings, error) { | ||
| result := Settings{ | ||
| FakeTtl: defaultTtl, | ||
| } | ||
| parts := strings.Split(raw, ":") | ||
| if len(parts) > 0 && parts[0] != "" { | ||
| result.FakeData = []byte(parts[0]) | ||
| } | ||
| if len(parts) > 1 && parts[1] != "" { | ||
| offset, err := strconv.ParseInt(parts[1], 10, 64) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to parse offset: %w", err) | ||
| } | ||
| result.FakeOffset = offset | ||
| } | ||
| if len(parts) > 2 && parts[2] != "" { | ||
| bytes, err := strconv.ParseInt(parts[2], 10, 64) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to parse bytes: %w", err) | ||
| } | ||
| result.FakeBytes = bytes | ||
| } | ||
| if len(parts) > 3 && parts[3] != "" { | ||
| ttl, err := strconv.Atoi(parts[3]) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to parse TTL: %w", err) | ||
| } | ||
| result.FakeTtl = ttl | ||
| } | ||
| if len(parts) > 4 && parts[4] != "" { | ||
| md5Sig, err := strconv.ParseBool(parts[4]) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to parse MD5 signature flag: %w", err) | ||
| } | ||
| result.Md5Sig = md5Sig | ||
| } | ||
| return &result, nil | ||
| } |
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