28 Commits

Author SHA1 Message Date
e3988b339f Merge pull request 'fix(deps): update module github.com/caddyserver/certmagic to v0.25.1' (#61) from renovate/github.com-caddyserver-certmagic-0.x into main
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Reviewed-on: #61
2026-01-09 12:15:05 +00:00
336948a397 fix(deps): update module github.com/caddyserver/certmagic to v0.25.1 2026-01-09 10:00:35 +00:00
50ae422de8 Merge pull request 'staging' (#60) from staging into main
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Reviewed-on: #60
2026-01-09 09:33:28 +00:00
8467ed555e revert 01ddc76f7e
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revert Merge pull request 'fix(deps): update module github.com/caddyserver/certmagic to v0.25.1' (#58) from renovate/github.com-caddyserver-certmagic-0.x into main
2026-01-09 09:33:04 +00:00
01ddc76f7e Merge pull request 'fix(deps): update module github.com/caddyserver/certmagic to v0.25.1' (#58) from renovate/github.com-caddyserver-certmagic-0.x into main
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2026-01-09 09:30:23 +00:00
ffb3565ff5 fix(deps): update module github.com/caddyserver/certmagic to v0.25.1 2026-01-09 09:30:18 +00:00
6d700ef6dd Merge pull request 'feat/grpc-integration' (#59) from feat/grpc-integration into staging
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Reviewed-on: #59
2026-01-09 09:24:20 +00:00
b8acb6da4c ci: remove renovate 2026-01-08 13:03:02 +07:00
6b4127f0ef feat: add authenticated user info and restructure handleConnection
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- Display authenticated username in welcome page information box
- Refactor handleConnection function for better structure and clarity
2026-01-07 23:07:02 +07:00
16d48ff906 refactor(grpc/client): simplify processEventStream with per-event handlers
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- Extract eventHandlers dispatch table
- Add per-event handlers: handleSlugChange, handleGetSessions, handleTerminateSession
- Introduce sendNode helper to centralize send/error handling and preserve connection-error propagation
- Add protoToTunnelType for tunnel-type validation
- Map unknown proto.TunnelType to types.UNKNOWN in protoToTunnelType and return a descriptive error
- Reduce boilerplate and improve readability of processEventStream
2026-01-06 20:14:56 +07:00
6213ff8a30 feat: implement forwarder session termination
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2026-01-06 18:32:48 +07:00
4ffaec9d9a refactor: inject SessionRegistry interface instead of individual functions
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2026-01-05 16:49:17 +07:00
6de0a618ee update: proto file to v1.3.0
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2026-01-05 00:55:51 +07:00
8cc70fa45e feat(session): use session key for registry 2026-01-05 00:50:42 +07:00
d666ae5545 fix: use correct environment variable key
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2026-01-04 18:21:34 +07:00
5edb3c8086 fix: startup order
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2026-01-04 15:19:03 +07:00
5b603d8317 feat: implement sessions request from grpc server
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2026-01-03 21:17:01 +07:00
5ceade81db Merge pull request 'staging' (#57) from staging into main
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renovate / renovate (push) Failing after 34s
Reviewed-on: #57
2026-01-03 13:07:49 +00:00
8fd9f8b567 feat: implement sessions request from grpc server
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2026-01-03 20:06:14 +07:00
30e84ac3b7 feat: implement get sessions by user 2026-01-02 22:58:54 +07:00
fd6ffc2500 feat(grpc): integrate slug edit handling 2026-01-02 18:27:48 +07:00
e1cd4ed981 WIP: gRPC integration, initial implementation 2026-01-01 21:03:17 +07:00
96d2b88f95 WIP: gRPC integration, initial implementation 2026-01-01 21:01:15 +07:00
2e8767f17a chore: upgrade TLS configuration to TLS 1.3
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2026-01-01 00:57:48 +07:00
7716eb7f29 perf: optimize header parsing with zero-copy ReadSlice
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- Replace ReadString with ReadSlice to eliminate allocations
- Use bytes operations instead of strings
- Add FromBytes variant for in-memory parsing
2025-12-31 23:18:53 +07:00
8a456d2cde Merge pull request 'staging' (#55) from staging into main
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Reviewed-on: #55
2025-12-31 08:51:25 +00:00
8841230653 Merge pull request 'fix: prevent subdomain change to already-in-use subdomains' (#54) from staging into main
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Reviewed-on: #54
2025-12-30 12:42:05 +00:00
4d0a7deaf2 Merge pull request 'staging' (#53) from staging into main
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renovate / renovate (push) Successful in 22s
Reviewed-on: #53
2025-12-29 17:18:25 +00:00
19 changed files with 1215 additions and 413 deletions

View File

@@ -1,21 +0,0 @@
name: renovate
on:
schedule:
- cron: "0 0 * * *"
push:
branches:
- staging
jobs:
renovate:
runs-on: ubuntu-latest
container: git.fossy.my.id/renovate-clanker/renovate:latest
steps:
- uses: actions/checkout@v6
- run: renovate
env:
RENOVATE_CONFIG_FILE: ${{ gitea.workspace }}/renovate-config.js
LOG_LEVEL: "debug"
RENOVATE_TOKEN: ${{ secrets.RENOVATE_TOKEN }}
GITHUB_COM_TOKEN: ${{ secrets.COM_TOKEN }}

View File

@@ -33,6 +33,10 @@ The following environment variables can be configured in the `.env` file:
| `BUFFER_SIZE` | Buffer size for io.Copy operations in bytes (4096-1048576) | `32768` | No |
| `PPROF_ENABLED` | Enable pprof profiling server | `false` | No |
| `PPROF_PORT` | Port for pprof server | `6060` | No |
| `MODE` | Runtime mode: `standalone` (default, no gRPC/auth) or `node` (enable gRPC + auth) | `standalone` | No |
| `GRPC_ADDRESS` | gRPC server address/host used in `node` mode | `localhost` | No |
| `GRPC_PORT` | gRPC server port used in `node` mode | `8080` | No |
| `NODE_TOKEN` | Authentication token sent to controller in `node` mode | - (required in `node`) | Yes (node mode) |
**Note:** All environment variables now use UPPERCASE naming. The application includes sensible defaults for all variables, so you can run it without a `.env` file for basic functionality.

41
go.mod
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@@ -1,48 +1,55 @@
module tunnel_pls
go 1.24.4
go 1.25.5
require (
github.com/caddyserver/certmagic v0.25.0
git.fossy.my.id/bagas/tunnel-please-grpc v1.5.0
github.com/caddyserver/certmagic v0.25.1
github.com/charmbracelet/bubbles v0.21.0
github.com/charmbracelet/bubbletea v1.3.10
github.com/charmbracelet/lipgloss v1.1.0
github.com/joho/godotenv v1.5.1
github.com/libdns/cloudflare v0.2.2
github.com/muesli/termenv v0.16.0
golang.org/x/crypto v0.46.0
google.golang.org/grpc v1.78.0
google.golang.org/protobuf v1.36.11
)
require (
github.com/atotto/clipboard v0.1.4 // indirect
github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
github.com/caddyserver/zerossl v0.1.3 // indirect
github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
github.com/charmbracelet/lipgloss v1.1.0 // indirect
github.com/charmbracelet/x/ansi v0.10.1 // indirect
github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
github.com/charmbracelet/x/term v0.2.1 // indirect
github.com/caddyserver/zerossl v0.1.4 // indirect
github.com/charmbracelet/colorprofile v0.4.1 // indirect
github.com/charmbracelet/x/ansi v0.11.3 // indirect
github.com/charmbracelet/x/cellbuf v0.0.14 // indirect
github.com/charmbracelet/x/term v0.2.2 // indirect
github.com/clipperhouse/displaywidth v0.6.2 // indirect
github.com/clipperhouse/stringish v0.1.1 // indirect
github.com/clipperhouse/uax29/v2 v2.3.0 // indirect
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
github.com/klauspost/cpuid/v2 v2.3.0 // indirect
github.com/libdns/libdns v1.1.1 // indirect
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mattn/go-localereader v0.0.1 // indirect
github.com/mattn/go-runewidth v0.0.16 // indirect
github.com/mholt/acmez/v3 v3.1.3 // indirect
github.com/miekg/dns v1.1.68 // indirect
github.com/mattn/go-runewidth v0.0.19 // indirect
github.com/mholt/acmez/v3 v3.1.4 // indirect
github.com/miekg/dns v1.1.69 // indirect
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
github.com/muesli/cancelreader v0.2.2 // indirect
github.com/muesli/termenv v0.16.0 // indirect
github.com/rivo/uniseg v0.4.7 // indirect
github.com/sahilm/fuzzy v0.1.1 // indirect
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
github.com/zeebo/blake3 v0.2.4 // indirect
go.uber.org/multierr v1.11.0 // indirect
go.uber.org/zap v1.27.0 // indirect
go.uber.org/zap v1.27.1 // indirect
go.uber.org/zap/exp v0.3.0 // indirect
golang.org/x/mod v0.30.0 // indirect
golang.org/x/net v0.47.0 // indirect
golang.org/x/mod v0.31.0 // indirect
golang.org/x/net v0.48.0 // indirect
golang.org/x/sync v0.19.0 // indirect
golang.org/x/sys v0.39.0 // indirect
golang.org/x/text v0.32.0 // indirect
golang.org/x/tools v0.39.0 // indirect
golang.org/x/tools v0.40.0 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b // indirect
)

101
go.sum
View File

@@ -1,3 +1,9 @@
git.fossy.my.id/bagas/tunnel-please-grpc v1.3.0 h1:RhcBKUG41/om4jgN+iF/vlY/RojTeX1QhBa4p4428ec=
git.fossy.my.id/bagas/tunnel-please-grpc v1.3.0/go.mod h1:fG+VkArdkceGB0bNA7IFQus9GetLAwdF5Oi4jdMlXtY=
git.fossy.my.id/bagas/tunnel-please-grpc v1.4.0 h1:tpJSKjaSmV+vxxbVx6qnStjxFVXjj2M0rygWXxLb99o=
git.fossy.my.id/bagas/tunnel-please-grpc v1.4.0/go.mod h1:fG+VkArdkceGB0bNA7IFQus9GetLAwdF5Oi4jdMlXtY=
git.fossy.my.id/bagas/tunnel-please-grpc v1.5.0 h1:3xszIhck4wo9CoeRq9vnkar4PhY7kz9QrR30qj2XszA=
git.fossy.my.id/bagas/tunnel-please-grpc v1.5.0/go.mod h1:Weh6ZujgWmT8XxD3Qba7sJ6r5eyUMB9XSWynqdyOoLo=
github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
@@ -6,30 +12,48 @@ github.com/aymanbagabas/go-udiff v0.2.0 h1:TK0fH4MteXUDspT88n8CKzvK0X9O2xu9yQjWp
github.com/aymanbagabas/go-udiff v0.2.0/go.mod h1:RE4Ex0qsGkTAJoQdQQCA0uG+nAzJO/pI/QwceO5fgrA=
github.com/caddyserver/certmagic v0.25.0 h1:VMleO/XA48gEWes5l+Fh6tRWo9bHkhwAEhx63i+F5ic=
github.com/caddyserver/certmagic v0.25.0/go.mod h1:m9yB7Mud24OQbPHOiipAoyKPn9pKHhpSJxXR1jydBxA=
github.com/caddyserver/certmagic v0.25.1 h1:4sIKKbOt5pg6+sL7tEwymE1x2bj6CHr80da1CRRIPbY=
github.com/caddyserver/certmagic v0.25.1/go.mod h1:VhyvndxtVton/Fo/wKhRoC46Rbw1fmjvQ3GjHYSQTEY=
github.com/caddyserver/zerossl v0.1.3 h1:onS+pxp3M8HnHpN5MMbOMyNjmTheJyWRaZYwn+YTAyA=
github.com/caddyserver/zerossl v0.1.3/go.mod h1:CxA0acn7oEGO6//4rtrRjYgEoa4MFw/XofZnrYwGqG4=
github.com/caddyserver/zerossl v0.1.4 h1:CVJOE3MZeFisCERZjkxIcsqIH4fnFdlYWnPYeFtBHRw=
github.com/caddyserver/zerossl v0.1.4/go.mod h1:CxA0acn7oEGO6//4rtrRjYgEoa4MFw/XofZnrYwGqG4=
github.com/charmbracelet/bubbles v0.21.0 h1:9TdC97SdRVg/1aaXNVWfFH3nnLAwOXr8Fn6u6mfQdFs=
github.com/charmbracelet/bubbles v0.21.0/go.mod h1:HF+v6QUR4HkEpz62dx7ym2xc71/KBHg+zKwJtMw+qtg=
github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
github.com/charmbracelet/colorprofile v0.4.1 h1:a1lO03qTrSIRaK8c3JRxJDZOvhvIeSco3ej+ngLk1kk=
github.com/charmbracelet/colorprofile v0.4.1/go.mod h1:U1d9Dljmdf9DLegaJ0nGZNJvoXAhayhmidOdcBwAvKk=
github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
github.com/charmbracelet/x/ansi v0.10.1 h1:rL3Koar5XvX0pHGfovN03f5cxLbCF2YvLeyz7D2jVDQ=
github.com/charmbracelet/x/ansi v0.10.1/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
github.com/charmbracelet/x/ansi v0.11.3 h1:6DcVaqWI82BBVM/atTyq6yBoRLZFBsnoDoX9GCu2YOI=
github.com/charmbracelet/x/ansi v0.11.3/go.mod h1:yI7Zslym9tCJcedxz5+WBq+eUGMJT0bM06Fqy1/Y4dI=
github.com/charmbracelet/x/cellbuf v0.0.14 h1:iUEMryGyFTelKW3THW4+FfPgi4fkmKnnaLOXuc+/Kj4=
github.com/charmbracelet/x/cellbuf v0.0.14/go.mod h1:P447lJl49ywBbil/KjCk2HexGh4tEY9LH0/1QrZZ9rA=
github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91 h1:payRxjMjKgx2PaCWLZ4p3ro9y97+TVLZNaRZgJwSVDQ=
github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
github.com/charmbracelet/x/term v0.2.2 h1:xVRT/S2ZcKdhhOuSP4t5cLi5o+JxklsoEObBSgfgZRk=
github.com/charmbracelet/x/term v0.2.2/go.mod h1:kF8CY5RddLWrsgVwpw4kAa6TESp6EB5y3uxGLeCqzAI=
github.com/clipperhouse/displaywidth v0.6.2 h1:ZDpTkFfpHOKte4RG5O/BOyf3ysnvFswpyYrV7z2uAKo=
github.com/clipperhouse/displaywidth v0.6.2/go.mod h1:R+kHuzaYWFkTm7xoMmK1lFydbci4X2CicfbGstSGg0o=
github.com/clipperhouse/stringish v0.1.1 h1:+NSqMOr3GR6k1FdRhhnXrLfztGzuG+VuFDfatpWHKCs=
github.com/clipperhouse/stringish v0.1.1/go.mod h1:v/WhFtE1q0ovMta2+m+UbpZ+2/HEXNWYXQgCt4hdOzA=
github.com/clipperhouse/uax29/v2 v2.3.0 h1:SNdx9DVUqMoBuBoW3iLOj4FQv3dN5mDtuqwuhIGpJy4=
github.com/clipperhouse/uax29/v2 v2.3.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsVRgg6W7ihQeh4g=
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/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
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/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
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/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
@@ -40,18 +64,18 @@ github.com/libdns/cloudflare v0.2.2 h1:XWHv+C1dDcApqazlh08Q6pjytYLgR2a+Y3xrXFu0v
github.com/libdns/cloudflare v0.2.2/go.mod h1:w9uTmRCDlAoafAsTPnn2nJ0XHK/eaUMh86DUk8BWi60=
github.com/libdns/libdns v1.1.1 h1:wPrHrXILoSHKWJKGd0EiAVmiJbFShguILTg9leS/P/U=
github.com/libdns/libdns v1.1.1/go.mod h1:4Bj9+5CQiNMVGf87wjX4CY3HQJypUHRuLvlsfsZqLWQ=
github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQwVHXptag=
github.com/lucasb-eyer/go-colorful v1.3.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
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/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
github.com/mholt/acmez/v3 v3.1.3 h1:gUl789rjbJSuM5hYzOFnNaGgWPV1xVfnOs59o0dZEcc=
github.com/mholt/acmez/v3 v3.1.3/go.mod h1:L1wOU06KKvq7tswuMDwKdcHeKpFFgkppZy/y0DFxagQ=
github.com/miekg/dns v1.1.68 h1:jsSRkNozw7G/mnmXULynzMNIsgY2dHC8LO6U6Ij2JEA=
github.com/miekg/dns v1.1.68/go.mod h1:fujopn7TB3Pu3JM69XaawiU0wqjpL9/8xGop5UrTPps=
github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byFGLdw=
github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
github.com/mholt/acmez/v3 v3.1.4 h1:DyzZe/RnAzT3rpZj/2Ii5xZpiEvvYk3cQEN/RmqxwFQ=
github.com/mholt/acmez/v3 v3.1.4/go.mod h1:L1wOU06KKvq7tswuMDwKdcHeKpFFgkppZy/y0DFxagQ=
github.com/miekg/dns v1.1.69 h1:Kb7Y/1Jo+SG+a2GtfoFUfDkG//csdRPwRLkCsxDG9Sc=
github.com/miekg/dns v1.1.69/go.mod h1:7OyjD9nEba5OkqQ/hB4fy3PIoxafSZJtducccIelz3g=
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
@@ -60,7 +84,6 @@ github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc
github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
github.com/sahilm/fuzzy v0.1.1 h1:ceu5RHF8DGgoi+/dR5PsECjCDH1BE3Fnmpo7aVXOdRA=
@@ -75,22 +98,34 @@ github.com/zeebo/blake3 v0.2.4 h1:KYQPkhpRtcqh0ssGYcKLG1JYvddkEA8QwCM/yBqhaZI=
github.com/zeebo/blake3 v0.2.4/go.mod h1:7eeQ6d2iXWRGF6npfaxl2CU+xy2Fjo2gxeyZGCRUjcE=
github.com/zeebo/pcg v1.0.1 h1:lyqfGeWiv4ahac6ttHs+I5hwtH/+1mrhlCtVNQM2kHo=
github.com/zeebo/pcg v1.0.1/go.mod h1:09F0S9iiKrwn9rlI5yjLkmrug154/YRW6KnnXVDM/l4=
go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
go.opentelemetry.io/otel v1.38.0 h1:RkfdswUDRimDg0m2Az18RKOsnI8UDzppJAtj01/Ymk8=
go.opentelemetry.io/otel v1.38.0/go.mod h1:zcmtmQ1+YmQM9wrNsTGV/q/uyusom3P8RxwExxkZhjM=
go.opentelemetry.io/otel/metric v1.38.0 h1:Kl6lzIYGAh5M159u9NgiRkmoMKjvbsKtYRwgfrA6WpA=
go.opentelemetry.io/otel/metric v1.38.0/go.mod h1:kB5n/QoRM8YwmUahxvI3bO34eVtQf2i4utNVLr9gEmI=
go.opentelemetry.io/otel/sdk v1.38.0 h1:l48sr5YbNf2hpCUj/FoGhW9yDkl+Ma+LrVl8qaM5b+E=
go.opentelemetry.io/otel/sdk v1.38.0/go.mod h1:ghmNdGlVemJI3+ZB5iDEuk4bWA3GkTpW+DOoZMYBVVg=
go.opentelemetry.io/otel/sdk/metric v1.38.0 h1:aSH66iL0aZqo//xXzQLYozmWrXxyFkBJ6qT5wthqPoM=
go.opentelemetry.io/otel/sdk/metric v1.38.0/go.mod h1:dg9PBnW9XdQ1Hd6ZnRz689CbtrUp0wMMs9iPcgT9EZA=
go.opentelemetry.io/otel/trace v1.38.0 h1:Fxk5bKrDZJUH+AMyyIXGcFAPah0oRcT+LuNtJrmcNLE=
go.opentelemetry.io/otel/trace v1.38.0/go.mod h1:j1P9ivuFsTceSWe1oY+EeW3sc+Pp42sO++GHkg4wwhs=
go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
go.uber.org/zap v1.27.1 h1:08RqriUEv8+ArZRYSTXy1LeBScaMpVSTBhCeaZYfMYc=
go.uber.org/zap v1.27.1/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
go.uber.org/zap/exp v0.3.0 h1:6JYzdifzYkGmTdRR59oYH+Ng7k49H9qVpWwNSsGJj3U=
go.uber.org/zap/exp v0.3.0/go.mod h1:5I384qq7XGxYyByIhHm6jg5CHkGY0nsTfbDLgDDlgJQ=
golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561 h1:MDc5xs78ZrZr3HMQugiXOAkSZtfTpbJLDr/lwfgO53E=
golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
golang.org/x/mod v0.30.0 h1:fDEXFVZ/fmCKProc/yAXXUijritrDzahmwwefnjoPFk=
golang.org/x/mod v0.30.0/go.mod h1:lAsf5O2EvJeSFMiBxXDki7sCgAxEUcZHXoXMKT4GJKc=
golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
golang.org/x/mod v0.31.0 h1:HaW9xtz0+kOcWKwli0ZXy79Ix+UW/vOfmWI5QVd2tgI=
golang.org/x/mod v0.31.0/go.mod h1:43JraMp9cGx1Rx3AqioxrbrhNsLl2l/iNAvuBkrezpg=
golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -101,7 +136,15 @@ golang.org/x/term v0.38.0 h1:PQ5pkm/rLO6HnxFR7N2lJHOZX6Kez5Y1gDSJla6jo7Q=
golang.org/x/term v0.38.0/go.mod h1:bSEAKrOT1W+VSu9TSCMtoGEOUcKxOKgl3LE5QEF/xVg=
golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ=
golang.org/x/tools v0.39.0/go.mod h1:JnefbkDPyD8UU2kI5fuf8ZX4/yUeh9W877ZeBONxUqQ=
golang.org/x/tools v0.40.0 h1:yLkxfA+Qnul4cs9QA3KnlFu0lVmd8JJfoq+E41uSutA=
golang.org/x/tools v0.40.0/go.mod h1:Ik/tzLRlbscWpqqMRjyWYDisX8bG13FrdXp3o4Sr9lc=
gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b h1:Mv8VFug0MP9e5vUxfBcE3vUkV6CImK3cMNMIDFjmzxU=
google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
google.golang.org/grpc v1.78.0 h1:K1XZG/yGDJnzMdd/uZHAkVqJE+xIDOcmdSFZkBUicNc=
google.golang.org/grpc v1.78.0/go.mod h1:I47qjTo4OKbMkjA/aOOwxDIiPSBofUtQUI5EfpWvW7U=
google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

View File

@@ -0,0 +1,421 @@
package client
import (
"context"
"crypto/tls"
"errors"
"fmt"
"io"
"log"
"time"
"tunnel_pls/internal/config"
"tunnel_pls/types"
"tunnel_pls/session"
proto "git.fossy.my.id/bagas/tunnel-please-grpc/gen"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/insecure"
"google.golang.org/grpc/health/grpc_health_v1"
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/types/known/timestamppb"
)
type GrpcConfig struct {
Address string
UseTLS bool
InsecureSkipVerify bool
Timeout time.Duration
KeepAlive bool
MaxRetries int
KeepAliveTime time.Duration
KeepAliveTimeout time.Duration
PermitWithoutStream bool
}
type Client struct {
conn *grpc.ClientConn
config *GrpcConfig
sessionRegistry session.Registry
eventService proto.EventServiceClient
authorizeConnectionService proto.UserServiceClient
closing bool
}
func DefaultConfig() *GrpcConfig {
return &GrpcConfig{
Address: "localhost:50051",
UseTLS: false,
InsecureSkipVerify: false,
Timeout: 10 * time.Second,
KeepAlive: true,
MaxRetries: 3,
KeepAliveTime: 2 * time.Minute,
KeepAliveTimeout: 10 * time.Second,
PermitWithoutStream: false,
}
}
func New(config *GrpcConfig, sessionRegistry session.Registry) (*Client, error) {
if config == nil {
config = DefaultConfig()
} else {
defaults := DefaultConfig()
if config.Address == "" {
config.Address = defaults.Address
}
if config.Timeout == 0 {
config.Timeout = defaults.Timeout
}
if config.MaxRetries == 0 {
config.MaxRetries = defaults.MaxRetries
}
if config.KeepAliveTime == 0 {
config.KeepAliveTime = defaults.KeepAliveTime
}
if config.KeepAliveTimeout == 0 {
config.KeepAliveTimeout = defaults.KeepAliveTimeout
}
}
var opts []grpc.DialOption
if config.UseTLS {
tlsConfig := &tls.Config{
InsecureSkipVerify: config.InsecureSkipVerify,
}
creds := credentials.NewTLS(tlsConfig)
opts = append(opts, grpc.WithTransportCredentials(creds))
} else {
opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()))
}
if config.KeepAlive {
kaParams := keepalive.ClientParameters{
Time: config.KeepAliveTime,
Timeout: config.KeepAliveTimeout,
PermitWithoutStream: config.PermitWithoutStream,
}
opts = append(opts, grpc.WithKeepaliveParams(kaParams))
}
opts = append(opts,
grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(4*1024*1024),
grpc.MaxCallSendMsgSize(4*1024*1024),
),
)
conn, err := grpc.NewClient(config.Address, opts...)
if err != nil {
return nil, fmt.Errorf("failed to connect to gRPC server at %s: %w", config.Address, err)
}
eventService := proto.NewEventServiceClient(conn)
authorizeConnectionService := proto.NewUserServiceClient(conn)
return &Client{
conn: conn,
config: config,
sessionRegistry: sessionRegistry,
eventService: eventService,
authorizeConnectionService: authorizeConnectionService,
}, nil
}
func (c *Client) SubscribeEvents(ctx context.Context, identity, authToken string) error {
const (
baseBackoff = time.Second
maxBackoff = 30 * time.Second
)
backoff := baseBackoff
wait := func() error {
if backoff <= 0 {
return nil
}
select {
case <-time.After(backoff):
return nil
case <-ctx.Done():
return ctx.Err()
}
}
growBackoff := func() {
backoff *= 2
if backoff > maxBackoff {
backoff = maxBackoff
}
}
for {
subscribe, err := c.eventService.Subscribe(ctx)
if err != nil {
if errors.Is(err, context.Canceled) || status.Code(err) == codes.Canceled || ctx.Err() != nil {
return err
}
if !c.isConnectionError(err) || status.Code(err) == codes.Unauthenticated {
return err
}
if err = wait(); err != nil {
return err
}
growBackoff()
log.Printf("Reconnect to controller within %v sec", backoff.Seconds())
continue
}
err = subscribe.Send(&proto.Node{
Type: proto.EventType_AUTHENTICATION,
Payload: &proto.Node_AuthEvent{
AuthEvent: &proto.Authentication{
Identity: identity,
AuthToken: authToken,
},
},
})
if err != nil {
log.Println("Authentication failed to send to gRPC server:", err)
if c.isConnectionError(err) {
if err = wait(); err != nil {
return err
}
growBackoff()
continue
}
return err
}
log.Println("Authentication Successfully sent to gRPC server")
backoff = baseBackoff
if err = c.processEventStream(subscribe); err != nil {
if errors.Is(err, context.Canceled) || status.Code(err) == codes.Canceled || ctx.Err() != nil {
return err
}
if c.isConnectionError(err) {
log.Printf("Reconnect to controller within %v sec", backoff.Seconds())
if err = wait(); err != nil {
return err
}
growBackoff()
continue
}
return err
}
}
}
func (c *Client) processEventStream(subscribe grpc.BidiStreamingClient[proto.Node, proto.Events]) error {
handlers := c.eventHandlers(subscribe)
for {
recv, err := subscribe.Recv()
if err != nil {
return err
}
handler, ok := handlers[recv.GetType()]
if !ok {
log.Printf("Unknown event type received: %v", recv.GetType())
continue
}
if err = handler(recv); err != nil {
return err
}
}
}
func (c *Client) eventHandlers(subscribe grpc.BidiStreamingClient[proto.Node, proto.Events]) map[proto.EventType]func(*proto.Events) error {
return map[proto.EventType]func(*proto.Events) error{
proto.EventType_SLUG_CHANGE: func(evt *proto.Events) error { return c.handleSlugChange(subscribe, evt) },
proto.EventType_GET_SESSIONS: func(evt *proto.Events) error { return c.handleGetSessions(subscribe, evt) },
proto.EventType_TERMINATE_SESSION: func(evt *proto.Events) error { return c.handleTerminateSession(subscribe, evt) },
}
}
func (c *Client) handleSlugChange(subscribe grpc.BidiStreamingClient[proto.Node, proto.Events], evt *proto.Events) error {
slugEvent := evt.GetSlugEvent()
user := slugEvent.GetUser()
oldSlug := slugEvent.GetOld()
newSlug := slugEvent.GetNew()
userSession, err := c.sessionRegistry.Get(types.SessionKey{Id: oldSlug, Type: types.HTTP})
if err != nil {
return c.sendNode(subscribe, &proto.Node{
Type: proto.EventType_SLUG_CHANGE_RESPONSE,
Payload: &proto.Node_SlugEventResponse{
SlugEventResponse: &proto.SlugChangeEventResponse{Success: false, Message: err.Error()},
},
}, "slug change failure response")
}
if err = c.sessionRegistry.Update(user, types.SessionKey{Id: oldSlug, Type: types.HTTP}, types.SessionKey{Id: newSlug, Type: types.HTTP}); err != nil {
return c.sendNode(subscribe, &proto.Node{
Type: proto.EventType_SLUG_CHANGE_RESPONSE,
Payload: &proto.Node_SlugEventResponse{
SlugEventResponse: &proto.SlugChangeEventResponse{Success: false, Message: err.Error()},
},
}, "slug change failure response")
}
userSession.GetInteraction().Redraw()
return c.sendNode(subscribe, &proto.Node{
Type: proto.EventType_SLUG_CHANGE_RESPONSE,
Payload: &proto.Node_SlugEventResponse{
SlugEventResponse: &proto.SlugChangeEventResponse{Success: true, Message: ""},
},
}, "slug change success response")
}
func (c *Client) handleGetSessions(subscribe grpc.BidiStreamingClient[proto.Node, proto.Events], evt *proto.Events) error {
sessions := c.sessionRegistry.GetAllSessionFromUser(evt.GetGetSessionsEvent().GetIdentity())
var details []*proto.Detail
for _, ses := range sessions {
detail := ses.Detail()
details = append(details, &proto.Detail{
Node: config.Getenv("DOMAIN", "localhost"),
ForwardingType: detail.ForwardingType,
Slug: detail.Slug,
UserId: detail.UserID,
Active: detail.Active,
StartedAt: timestamppb.New(detail.StartedAt),
})
}
return c.sendNode(subscribe, &proto.Node{
Type: proto.EventType_GET_SESSIONS,
Payload: &proto.Node_GetSessionsEvent{
GetSessionsEvent: &proto.GetSessionsResponse{Details: details},
},
}, "send get sessions response")
}
func (c *Client) handleTerminateSession(subscribe grpc.BidiStreamingClient[proto.Node, proto.Events], evt *proto.Events) error {
terminate := evt.GetTerminateSessionEvent()
user := terminate.GetUser()
slug := terminate.GetSlug()
tunnelType, err := c.protoToTunnelType(terminate.GetTunnelType())
if err != nil {
return c.sendNode(subscribe, &proto.Node{
Type: proto.EventType_TERMINATE_SESSION,
Payload: &proto.Node_TerminateSessionEventResponse{
TerminateSessionEventResponse: &proto.TerminateSessionEventResponse{Success: false, Message: err.Error()},
},
}, "terminate session invalid tunnel type")
}
userSession, err := c.sessionRegistry.GetWithUser(user, types.SessionKey{Id: slug, Type: tunnelType})
if err != nil {
return c.sendNode(subscribe, &proto.Node{
Type: proto.EventType_TERMINATE_SESSION,
Payload: &proto.Node_TerminateSessionEventResponse{
TerminateSessionEventResponse: &proto.TerminateSessionEventResponse{Success: false, Message: err.Error()},
},
}, "terminate session fetch failed")
}
if err = userSession.GetLifecycle().Close(); err != nil {
return c.sendNode(subscribe, &proto.Node{
Type: proto.EventType_TERMINATE_SESSION,
Payload: &proto.Node_TerminateSessionEventResponse{
TerminateSessionEventResponse: &proto.TerminateSessionEventResponse{Success: false, Message: err.Error()},
},
}, "terminate session close failed")
}
return c.sendNode(subscribe, &proto.Node{
Type: proto.EventType_TERMINATE_SESSION,
Payload: &proto.Node_TerminateSessionEventResponse{
TerminateSessionEventResponse: &proto.TerminateSessionEventResponse{Success: true, Message: ""},
},
}, "terminate session success response")
}
func (c *Client) sendNode(subscribe grpc.BidiStreamingClient[proto.Node, proto.Events], node *proto.Node, context string) error {
if err := subscribe.Send(node); err != nil {
if c.isConnectionError(err) {
return err
}
log.Printf("%s: %v", context, err)
}
return nil
}
func (c *Client) protoToTunnelType(t proto.TunnelType) (types.TunnelType, error) {
switch t {
case proto.TunnelType_HTTP:
return types.HTTP, nil
case proto.TunnelType_TCP:
return types.TCP, nil
default:
return types.UNKNOWN, fmt.Errorf("unknown tunnel type received")
}
}
func (c *Client) GetConnection() *grpc.ClientConn {
return c.conn
}
func (c *Client) AuthorizeConn(ctx context.Context, token string) (authorized bool, user string, err error) {
check, err := c.authorizeConnectionService.Check(ctx, &proto.CheckRequest{AuthToken: token})
if err != nil {
return false, "UNAUTHORIZED", err
}
if check.GetResponse() == proto.AuthorizationResponse_MESSAGE_TYPE_UNAUTHORIZED {
return false, "UNAUTHORIZED", nil
}
return true, check.GetUser(), nil
}
func (c *Client) Close() error {
if c.conn != nil {
log.Printf("Closing gRPC connection to %s", c.config.Address)
c.closing = true
return c.conn.Close()
}
return nil
}
func (c *Client) CheckServerHealth(ctx context.Context) error {
healthClient := grpc_health_v1.NewHealthClient(c.GetConnection())
resp, err := healthClient.Check(ctx, &grpc_health_v1.HealthCheckRequest{
Service: "",
})
if err != nil {
return fmt.Errorf("health check failed: %w", err)
}
if resp.Status != grpc_health_v1.HealthCheckResponse_SERVING {
return fmt.Errorf("server not serving: %v", resp.Status)
}
return nil
}
func (c *Client) GetConfig() *GrpcConfig {
return c.config
}
func (c *Client) isConnectionError(err error) bool {
if c.closing {
return false
}
if err == nil {
return false
}
if errors.Is(err, io.EOF) {
return true
}
switch status.Code(err) {
case codes.Unavailable, codes.Canceled, codes.DeadlineExceeded:
return true
default:
return false
}
}

80
main.go
View File

@@ -1,12 +1,18 @@
package main
import (
"context"
"fmt"
"log"
"net/http"
_ "net/http/pprof"
"os"
"os/signal"
"strings"
"syscall"
"time"
"tunnel_pls/internal/config"
"tunnel_pls/internal/grpc/client"
"tunnel_pls/internal/key"
"tunnel_pls/server"
"tunnel_pls/session"
@@ -26,6 +32,9 @@ func main() {
log.Printf("Starting %s", version.GetVersion())
mode := strings.ToLower(config.Getenv("MODE", "standalone"))
isNodeMode := mode == "node"
pprofEnabled := config.Getenv("PPROF_ENABLED", "false")
if pprofEnabled == "true" {
pprofPort := config.Getenv("PPROF_PORT", "6060")
@@ -61,9 +70,72 @@ func main() {
sshConfig.AddHostKey(private)
sessionRegistry := session.NewRegistry()
app, err := server.NewServer(sshConfig, sessionRegistry)
if err != nil {
log.Fatalf("Failed to start server: %s", err)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
errChan := make(chan error, 2)
shutdownChan := make(chan os.Signal, 1)
signal.Notify(shutdownChan, os.Interrupt, syscall.SIGTERM)
var grpcClient *client.Client
if isNodeMode {
grpcHost := config.Getenv("GRPC_ADDRESS", "localhost")
grpcPort := config.Getenv("GRPC_PORT", "8080")
grpcAddr := fmt.Sprintf("%s:%s", grpcHost, grpcPort)
nodeToken := config.Getenv("NODE_TOKEN", "")
if nodeToken == "" {
log.Fatalf("NODE_TOKEN is required in node mode")
}
c, err := client.New(&client.GrpcConfig{
Address: grpcAddr,
UseTLS: false,
InsecureSkipVerify: false,
Timeout: 10 * time.Second,
KeepAlive: true,
MaxRetries: 3,
}, sessionRegistry)
if err != nil {
log.Fatalf("failed to create grpc client: %v", err)
}
grpcClient = c
healthCtx, healthCancel := context.WithTimeout(ctx, 5*time.Second)
if err := grpcClient.CheckServerHealth(healthCtx); err != nil {
healthCancel()
log.Fatalf("gRPC health check failed: %v", err)
}
healthCancel()
go func() {
identity := config.Getenv("DOMAIN", "localhost")
if err := grpcClient.SubscribeEvents(ctx, identity, nodeToken); err != nil {
errChan <- fmt.Errorf("failed to subscribe to events: %w", err)
}
}()
}
go func() {
app, err := server.NewServer(sshConfig, sessionRegistry, grpcClient)
if err != nil {
errChan <- fmt.Errorf("failed to start server: %s", err)
return
}
app.Start()
}()
select {
case err := <-errChan:
log.Printf("error happen : %s", err)
case sig := <-shutdownChan:
log.Printf("received signal %s, shutting down", sig)
}
cancel()
if grpcClient != nil {
if err := grpcClient.Close(); err != nil {
log.Printf("failed to close grpc conn : %s", err)
}
}
app.Start()
}

View File

@@ -1,8 +0,0 @@
module.exports = {
"endpoint": "https://git.fossy.my.id/api/v1",
"gitAuthor": "Renovate-Clanker <renovate-bot@fossy.my.id>",
"platform": "gitea",
"onboardingConfigFileName": "renovate.json",
"autodiscover": true,
"optimizeForDisabled": true,
};

View File

@@ -4,7 +4,6 @@ import (
"bufio"
"bytes"
"fmt"
"strings"
)
type HeaderManager interface {
@@ -44,43 +43,132 @@ type requestHeaderFactory struct {
headers map[string]string
}
func NewRequestHeaderFactory(br *bufio.Reader) (RequestHeaderManager, error) {
func NewRequestHeaderFactory(r interface{}) (RequestHeaderManager, error) {
switch v := r.(type) {
case []byte:
return parseHeadersFromBytes(v)
case *bufio.Reader:
return parseHeadersFromReader(v)
default:
return nil, fmt.Errorf("unsupported type: %T", r)
}
}
func parseHeadersFromBytes(headerData []byte) (RequestHeaderManager, error) {
header := &requestHeaderFactory{
headers: make(map[string]string),
headers: make(map[string]string, 16),
}
startLine, err := br.ReadString('\n')
if err != nil {
return nil, err
lineEnd := bytes.IndexByte(headerData, '\n')
if lineEnd == -1 {
return nil, fmt.Errorf("invalid request: no newline found")
}
startLine = strings.TrimRight(startLine, "\r\n")
header.startLine = []byte(startLine)
parts := strings.Split(startLine, " ")
startLine := bytes.TrimRight(headerData[:lineEnd], "\r\n")
header.startLine = make([]byte, len(startLine))
copy(header.startLine, startLine)
parts := bytes.Split(startLine, []byte{' '})
if len(parts) < 3 {
return nil, fmt.Errorf("invalid request line")
}
header.method = parts[0]
header.path = parts[1]
header.version = parts[2]
header.method = string(parts[0])
header.path = string(parts[1])
header.version = string(parts[2])
for {
line, err := br.ReadString('\n')
if err != nil {
return nil, err
remaining := headerData[lineEnd+1:]
for len(remaining) > 0 {
lineEnd = bytes.IndexByte(remaining, '\n')
if lineEnd == -1 {
lineEnd = len(remaining)
}
line = strings.TrimRight(line, "\r\n")
if line == "" {
line := bytes.TrimRight(remaining[:lineEnd], "\r\n")
if len(line) == 0 {
break
}
kv := strings.SplitN(line, ":", 2)
if len(kv) != 2 {
colonIdx := bytes.IndexByte(line, ':')
if colonIdx != -1 {
key := bytes.TrimSpace(line[:colonIdx])
value := bytes.TrimSpace(line[colonIdx+1:])
header.headers[string(key)] = string(value)
}
if lineEnd == len(remaining) {
break
}
remaining = remaining[lineEnd+1:]
}
return header, nil
}
func parseHeadersFromReader(br *bufio.Reader) (RequestHeaderManager, error) {
header := &requestHeaderFactory{
headers: make(map[string]string, 16),
}
startLineBytes, err := br.ReadSlice('\n')
if err != nil {
if err == bufio.ErrBufferFull {
var startLine string
startLine, err = br.ReadString('\n')
if err != nil {
return nil, err
}
startLineBytes = []byte(startLine)
} else {
return nil, err
}
}
startLineBytes = bytes.TrimRight(startLineBytes, "\r\n")
header.startLine = make([]byte, len(startLineBytes))
copy(header.startLine, startLineBytes)
parts := bytes.Split(startLineBytes, []byte{' '})
if len(parts) < 3 {
return nil, fmt.Errorf("invalid request line")
}
header.method = string(parts[0])
header.path = string(parts[1])
header.version = string(parts[2])
for {
lineBytes, err := br.ReadSlice('\n')
if err != nil {
if err == bufio.ErrBufferFull {
var line string
line, err = br.ReadString('\n')
if err != nil {
return nil, err
}
lineBytes = []byte(line)
} else {
return nil, err
}
}
lineBytes = bytes.TrimRight(lineBytes, "\r\n")
if len(lineBytes) == 0 {
break
}
colonIdx := bytes.IndexByte(lineBytes, ':')
if colonIdx == -1 {
continue
}
header.headers[strings.TrimSpace(kv[0])] = strings.TrimSpace(kv[1])
key := bytes.TrimSpace(lineBytes[:colonIdx])
value := bytes.TrimSpace(lineBytes[colonIdx+1:])
header.headers[string(key)] = string(value)
}
return header, nil

View File

@@ -13,6 +13,7 @@ import (
"time"
"tunnel_pls/internal/config"
"tunnel_pls/session"
"tunnel_pls/types"
"golang.org/x/crypto/ssh"
)
@@ -99,8 +100,7 @@ func (cw *customWriter) Read(p []byte) (int, error) {
}
}
headerReader := bufio.NewReader(bytes.NewReader(header))
reqhf, err := NewRequestHeaderFactory(headerReader)
reqhf, err := NewRequestHeaderFactory(header)
if err != nil {
return 0, err
}
@@ -314,8 +314,11 @@ func (hs *httpServer) handler(conn net.Conn) {
return
}
sshSession, exist := hs.sessionRegistry.Get(slug)
if !exist {
sshSession, err := hs.sessionRegistry.Get(types.SessionKey{
Id: slug,
Type: types.HTTP,
})
if err != nil {
_, err = conn.Write([]byte("HTTP/1.1 301 Moved Permanently\r\n" +
fmt.Sprintf("Location: https://tunnl.live/tunnel-not-found?slug=%s\r\n", slug) +
"Content-Length: 0\r\n" +

View File

@@ -9,6 +9,7 @@ import (
"net"
"strings"
"tunnel_pls/internal/config"
"tunnel_pls/types"
)
func (hs *httpServer) ListenAndServeTLS() error {
@@ -89,8 +90,11 @@ func (hs *httpServer) handlerTLS(conn net.Conn) {
return
}
sshSession, exist := hs.sessionRegistry.Get(slug)
if !exist {
sshSession, err := hs.sessionRegistry.Get(types.SessionKey{
Id: slug,
Type: types.HTTP,
})
if err != nil {
_, err = conn.Write([]byte("HTTP/1.1 301 Moved Permanently\r\n" +
fmt.Sprintf("Location: https://tunnl.live/tunnel-not-found?slug=%s\r\n", slug) +
"Content-Length: 0\r\n" +

View File

@@ -1,10 +1,14 @@
package server
import (
"context"
"errors"
"fmt"
"log"
"net"
"time"
"tunnel_pls/internal/config"
"tunnel_pls/internal/grpc/client"
"tunnel_pls/session"
"golang.org/x/crypto/ssh"
@@ -14,9 +18,10 @@ type Server struct {
conn *net.Listener
config *ssh.ServerConfig
sessionRegistry session.Registry
grpcClient *client.Client
}
func NewServer(sshConfig *ssh.ServerConfig, sessionRegistry session.Registry) (*Server, error) {
func NewServer(sshConfig *ssh.ServerConfig, sessionRegistry session.Registry, grpcClient *client.Client) (*Server, error) {
listener, err := net.Listen("tcp", fmt.Sprintf(":%s", config.Getenv("PORT", "2200")))
if err != nil {
log.Fatalf("failed to listen on port 2200: %v", err)
@@ -42,6 +47,7 @@ func NewServer(sshConfig *ssh.ServerConfig, sessionRegistry session.Registry) (*
conn: &listener,
config: sshConfig,
sessionRegistry: sessionRegistry,
grpcClient: grpcClient,
}, nil
}
@@ -62,7 +68,7 @@ func (s *Server) handleConnection(conn net.Conn) {
sshConn, chans, forwardingReqs, err := ssh.NewServerConn(conn, s.config)
if err != nil {
log.Printf("failed to establish SSH connection: %v", err)
err := conn.Close()
err = conn.Close()
if err != nil {
log.Printf("failed to close SSH connection: %v", err)
return
@@ -70,9 +76,23 @@ func (s *Server) handleConnection(conn net.Conn) {
return
}
log.Println("SSH connection established:", sshConn.User())
defer func(sshConn *ssh.ServerConn) {
err = sshConn.Close()
if err != nil && !errors.Is(err, net.ErrClosed) {
log.Printf("failed to close SSH server: %v", err)
}
}(sshConn)
sshSession := session.New(sshConn, forwardingReqs, chans, s.sessionRegistry)
user := "UNAUTHORIZED"
if s.grpcClient != nil {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
_, u, _ := s.grpcClient.AuthorizeConn(ctx, sshConn.User())
user = u
cancel()
}
log.Println("SSH connection established:", sshConn.User())
sshSession := session.New(sshConn, forwardingReqs, chans, s.sessionRegistry, user)
err = sshSession.Start()
if err != nil {
log.Printf("SSH session ended with error: %v", err)

View File

@@ -301,7 +301,22 @@ func (tm *tlsManager) initCertMagic() error {
func (tm *tlsManager) getTLSConfig() *tls.Config {
return &tls.Config{
GetCertificate: tm.getCertificate,
MinVersion: tls.VersionTLS12,
MinVersion: tls.VersionTLS13,
MaxVersion: tls.VersionTLS13,
SessionTicketsDisabled: false,
CipherSuites: []uint16{
tls.TLS_AES_128_GCM_SHA256,
tls.TLS_CHACHA20_POLY1305_SHA256,
},
CurvePreferences: []tls.CurveID{
tls.X25519,
},
ClientAuth: tls.NoClientCert,
NextProtos: nil,
}
}

View File

@@ -164,8 +164,9 @@ func (s *SSHSession) HandleTCPIPForward(req *ssh.Request) {
func (s *SSHSession) HandleHTTPForward(req *ssh.Request, portToBind uint16) {
slug := random.GenerateRandomString(20)
key := types.SessionKey{Id: slug, Type: types.HTTP}
if !s.registry.Register(slug, s) {
if !s.registry.Register(key, s) {
log.Printf("Failed to register client with slug: %s", slug)
err := req.Reply(false, nil)
if err != nil {
@@ -178,7 +179,7 @@ func (s *SSHSession) HandleHTTPForward(req *ssh.Request, portToBind uint16) {
err := binary.Write(buf, binary.BigEndian, uint32(portToBind))
if err != nil {
log.Println("Failed to write port to buffer:", err)
s.registry.Remove(slug)
s.registry.Remove(key)
err = req.Reply(false, nil)
if err != nil {
log.Println("Failed to reply to request:", err)
@@ -190,7 +191,7 @@ func (s *SSHSession) HandleHTTPForward(req *ssh.Request, portToBind uint16) {
err = req.Reply(true, buf.Bytes())
if err != nil {
log.Println("Failed to reply to request:", err)
s.registry.Remove(slug)
s.registry.Remove(key)
err = req.Reply(false, nil)
if err != nil {
log.Println("Failed to reply to request:", err)
@@ -225,10 +226,29 @@ func (s *SSHSession) HandleTCPForward(req *ssh.Request, addr string, portToBind
return
}
key := types.SessionKey{Id: fmt.Sprintf("%d", portToBind), Type: types.TCP}
if !s.registry.Register(key, s) {
log.Printf("Failed to register TCP client with id: %s", key.Id)
if setErr := portUtil.Default.SetPortStatus(portToBind, false); setErr != nil {
log.Printf("Failed to reset port status: %v", setErr)
}
if closeErr := listener.Close(); closeErr != nil {
log.Printf("Failed to close listener: %s", closeErr)
}
err = req.Reply(false, nil)
if err != nil {
log.Println("Failed to reply to request:", err)
}
_ = s.lifecycle.Close()
return
}
buf := new(bytes.Buffer)
err = binary.Write(buf, binary.BigEndian, uint32(portToBind))
if err != nil {
log.Println("Failed to write port to buffer:", err)
s.registry.Remove(key)
if setErr := portUtil.Default.SetPortStatus(portToBind, false); setErr != nil {
log.Printf("Failed to reset port status: %v", setErr)
}
@@ -244,6 +264,7 @@ func (s *SSHSession) HandleTCPForward(req *ssh.Request, addr string, portToBind
err = req.Reply(true, buf.Bytes())
if err != nil {
log.Println("Failed to reply to request:", err)
s.registry.Remove(key)
if setErr := portUtil.Default.SetPortStatus(portToBind, false); setErr != nil {
log.Printf("Failed to reset port status: %v", setErr)
}
@@ -258,6 +279,7 @@ func (s *SSHSession) HandleTCPForward(req *ssh.Request, addr string, portToBind
s.forwarder.SetType(types.TCP)
s.forwarder.SetListener(listener)
s.forwarder.SetForwardedPort(portToBind)
s.slugManager.Set(key.Id)
s.lifecycle.SetStatus(types.RUNNING)
go s.forwarder.AcceptTCPConnections()
s.interaction.Start()

View File

@@ -1,152 +0,0 @@
package interaction
const (
backspaceChar = 8
deleteChar = 127
enterChar = 13
escapeChar = 27
ctrlC = 3
forwardSlash = '/'
minPrintableChar = 32
maxPrintableChar = 126
minSlugLength = 3
maxSlugLength = 20
clearScreen = "\033[H\033[2J"
clearLine = "\033[K"
clearToLineEnd = "\r\033[K"
backspaceSeq = "\b \b"
minBoxWidth = 50
paddingRight = 4
)
var forbiddenSlugs = map[string]struct{}{
"ping": {},
"staging": {},
"admin": {},
"root": {},
"api": {},
"www": {},
"support": {},
"help": {},
"status": {},
"health": {},
"login": {},
"logout": {},
"signup": {},
"register": {},
"settings": {},
"config": {},
"null": {},
"undefined": {},
"example": {},
"test": {},
"dev": {},
"system": {},
"administrator": {},
"dashboard": {},
"account": {},
"profile": {},
"user": {},
"users": {},
"auth": {},
"oauth": {},
"callback": {},
"webhook": {},
"webhooks": {},
"static": {},
"assets": {},
"cdn": {},
"mail": {},
"email": {},
"ftp": {},
"ssh": {},
"git": {},
"svn": {},
"blog": {},
"news": {},
"about": {},
"contact": {},
"terms": {},
"privacy": {},
"legal": {},
"billing": {},
"payment": {},
"checkout": {},
"cart": {},
"shop": {},
"store": {},
"download": {},
"uploads": {},
"images": {},
"img": {},
"css": {},
"js": {},
"fonts": {},
"public": {},
"private": {},
"internal": {},
"external": {},
"proxy": {},
"cache": {},
"debug": {},
"metrics": {},
"monitoring": {},
"graphql": {},
"rest": {},
"rpc": {},
"socket": {},
"ws": {},
"wss": {},
"app": {},
"apps": {},
"mobile": {},
"desktop": {},
"embed": {},
"widget": {},
"docs": {},
"documentation": {},
"wiki": {},
"forum": {},
"community": {},
"feedback": {},
"report": {},
"abuse": {},
"spam": {},
"security": {},
"verify": {},
"confirm": {},
"reset": {},
"password": {},
"recovery": {},
"unsubscribe": {},
"subscribe": {},
"notifications": {},
"alerts": {},
"messages": {},
"inbox": {},
"outbox": {},
"sent": {},
"draft": {},
"trash": {},
"archive": {},
"search": {},
"explore": {},
"discover": {},
"trending": {},
"popular": {},
"featured": {},
"new": {},
"latest": {},
"top": {},
"best": {},
"hot": {},
"random": {},
"all": {},
"any": {},
"none": {},
"true": {},
"false": {},
}

View File

@@ -23,14 +23,20 @@ import (
type Lifecycle interface {
Close() error
GetUser() string
}
type SessionRegistry interface {
Update(user string, oldKey, newKey types.SessionKey) error
}
type Controller interface {
SetChannel(channel ssh.Channel)
SetLifecycle(lifecycle Lifecycle)
SetSlugModificator(func(oldSlug, newSlug string) bool)
Start()
SetWH(w, h int)
Redraw()
SetSessionRegistry(registry SessionRegistry)
}
type Forwarder interface {
@@ -40,14 +46,14 @@ type Forwarder interface {
}
type Interaction struct {
channel ssh.Channel
slugManager slug.Manager
forwarder Forwarder
lifecycle Lifecycle
updateClientSlug func(oldSlug, newSlug string) bool
program *tea.Program
ctx context.Context
cancel context.CancelFunc
channel ssh.Channel
slugManager slug.Manager
forwarder Forwarder
lifecycle Lifecycle
sessionRegistry SessionRegistry
program *tea.Program
ctx context.Context
cancel context.CancelFunc
}
func (i *Interaction) SetWH(w, h int) {
@@ -65,7 +71,6 @@ type commandItem struct {
}
type model struct {
tunnelURL string
domain string
protocol string
tunnelType types.TunnelType
@@ -84,6 +89,13 @@ type model struct {
height int
}
func (m *model) getTunnelURL() string {
if m.tunnelType == types.HTTP {
return buildURL(m.protocol, m.interaction.slugManager.Get(), m.domain)
}
return fmt.Sprintf("tcp://%s:%d", m.domain, m.port)
}
type keymap struct {
quit key.Binding
command key.Binding
@@ -95,17 +107,21 @@ type tickMsg time.Time
func NewInteraction(slugManager slug.Manager, forwarder Forwarder) *Interaction {
ctx, cancel := context.WithCancel(context.Background())
return &Interaction{
channel: nil,
slugManager: slugManager,
forwarder: forwarder,
lifecycle: nil,
updateClientSlug: nil,
program: nil,
ctx: ctx,
cancel: cancel,
channel: nil,
slugManager: slugManager,
forwarder: forwarder,
lifecycle: nil,
sessionRegistry: nil,
program: nil,
ctx: ctx,
cancel: cancel,
}
}
func (i *Interaction) SetSessionRegistry(registry SessionRegistry) {
i.sessionRegistry = registry
}
func (i *Interaction) SetLifecycle(lifecycle Lifecycle) {
i.lifecycle = lifecycle
}
@@ -114,10 +130,6 @@ func (i *Interaction) SetChannel(channel ssh.Channel) {
i.channel = channel
}
func (i *Interaction) SetSlugModificator(modificator func(oldSlug, newSlug string) (success bool)) {
i.updateClientSlug = modificator
}
func (i *Interaction) Stop() {
if i.cancel != nil {
i.cancel()
@@ -163,11 +175,11 @@ func tickCmd(d time.Duration) tea.Cmd {
})
}
func (m model) Init() tea.Cmd {
func (m *model) Init() tea.Cmd {
return tea.Batch(textinput.Blink, tea.WindowSize())
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
func (m *model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
var cmd tea.Cmd
switch msg := msg.(type) {
@@ -211,21 +223,16 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
return m, tea.Batch(tea.ClearScreen, textinput.Blink)
case "enter":
inputValue := m.slugInput.Value()
if isForbiddenSlug(inputValue) {
m.slugError = "This subdomain is reserved. Please choose a different one."
return m, nil
} else if !isValidSlug(inputValue) {
m.slugError = "Invalid subdomain. Follow the rules."
if err := m.interaction.sessionRegistry.Update(m.interaction.lifecycle.GetUser(), types.SessionKey{
Id: m.interaction.slugManager.Get(),
Type: types.HTTP,
}, types.SessionKey{
Id: inputValue,
Type: types.HTTP,
}); err != nil {
m.slugError = err.Error()
return m, nil
}
if !m.interaction.updateClientSlug(m.interaction.slugManager.Get(), inputValue) {
m.slugError = "Someone already uses this subdomain."
return m, nil
}
m.tunnelURL = buildURL(m.protocol, inputValue, m.domain)
m.editingSlug = false
m.slugError = ""
return m, tea.Batch(tea.ClearScreen, textinput.Blink)
@@ -291,14 +298,20 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
return m, nil
}
func (m model) helpView() string {
func (i *Interaction) Redraw() {
if i.program != nil {
i.program.Send(tea.ClearScreen())
}
}
func (m *model) helpView() string {
return "\n" + m.help.ShortHelpView([]key.Binding{
m.keymap.command,
m.keymap.quit,
})
}
func (m model) View() string {
func (m *model) View() string {
if m.quitting {
return ""
}
@@ -659,22 +672,32 @@ func (m model) View() string {
MarginBottom(boxMargin).
Width(boxMaxWidth)
urlDisplay := m.tunnelURL
if shouldUseCompactLayout(m.width, 80) && len(m.tunnelURL) > m.width-20 {
maxLen := m.width - 25
if maxLen > 10 {
urlDisplay = truncateString(m.tunnelURL, maxLen)
}
}
authenticatedUser := m.interaction.lifecycle.GetUser()
userInfoStyle := lipgloss.NewStyle().
Foreground(lipgloss.Color("#FAFAFA")).
Bold(true)
sectionHeaderStyle := lipgloss.NewStyle().
Foreground(lipgloss.Color("#888888")).
Bold(true)
addressStyle := lipgloss.NewStyle().
Foreground(lipgloss.Color("#FAFAFA"))
var infoContent string
if shouldUseCompactLayout(m.width, 70) {
infoContent = fmt.Sprintf("🌐 %s", urlBoxStyle.Render(urlDisplay))
} else if isCompact {
infoContent = fmt.Sprintf("🌐 Forwarding to:\n\n %s", urlBoxStyle.Render(urlDisplay))
infoContent = fmt.Sprintf("👤 %s\n\n%s\n%s",
userInfoStyle.Render(authenticatedUser),
sectionHeaderStyle.Render("🌐 FORWARDING ADDRESS:"),
addressStyle.Render(fmt.Sprintf(" %s", urlBoxStyle.Render(m.getTunnelURL()))))
} else {
infoContent = fmt.Sprintf("🌐 F O R W A R D I N G T O:\n\n %s", urlBoxStyle.Render(urlDisplay))
infoContent = fmt.Sprintf("👤 Authenticated as: %s\n\n%s\n %s",
userInfoStyle.Render(authenticatedUser),
sectionHeaderStyle.Render("🌐 FORWARDING ADDRESS:"),
addressStyle.Render(urlBoxStyle.Render(m.getTunnelURL())))
}
b.WriteString(responsiveInfoBox.Render(infoContent))
b.WriteString("\n")
@@ -737,13 +760,6 @@ func (i *Interaction) Start() {
tunnelType := i.forwarder.GetTunnelType()
port := i.forwarder.GetForwardedPort()
var tunnelURL string
if tunnelType == types.HTTP {
tunnelURL = buildURL(protocol, i.slugManager.Get(), domain)
} else {
tunnelURL = fmt.Sprintf("tcp://%s:%d", domain, port)
}
items := []list.Item{
commandItem{name: "slug", desc: "Set custom subdomain"},
commandItem{name: "tunnel-type", desc: "Change tunnel type (Coming Soon)"},
@@ -764,8 +780,7 @@ func (i *Interaction) Start() {
ti.CharLimit = 20
ti.Width = 50
m := model{
tunnelURL: tunnelURL,
m := &model{
domain: domain,
protocol: protocol,
tunnelType: tunnelType,
@@ -819,30 +834,3 @@ func buildURL(protocol, subdomain, domain string) string {
func generateRandomSubdomain() string {
return random.GenerateRandomString(20)
}
func isValidSlug(slug string) bool {
if len(slug) < minSlugLength || len(slug) > maxSlugLength {
return false
}
if slug[0] == '-' || slug[len(slug)-1] == '-' {
return false
}
for _, c := range slug {
if !isValidSlugChar(byte(c)) {
return false
}
}
return true
}
func isValidSlugChar(c byte) bool {
return (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '-'
}
func isForbiddenSlug(slug string) bool {
_, ok := forbiddenSlugs[slug]
return ok
}

View File

@@ -4,6 +4,8 @@ import (
"errors"
"io"
"net"
"time"
portUtil "tunnel_pls/internal/port"
"tunnel_pls/session/slug"
"tunnel_pls/types"
@@ -17,28 +19,36 @@ type Forwarder interface {
GetForwardedPort() uint16
}
type Lifecycle struct {
status types.Status
conn ssh.Conn
channel ssh.Channel
forwarder Forwarder
slugManager slug.Manager
unregisterClient func(slug string)
type SessionRegistry interface {
Remove(key types.SessionKey)
}
func NewLifecycle(conn ssh.Conn, forwarder Forwarder, slugManager slug.Manager) *Lifecycle {
type Lifecycle struct {
status types.Status
conn ssh.Conn
channel ssh.Channel
forwarder Forwarder
sessionRegistry SessionRegistry
slugManager slug.Manager
startedAt time.Time
user string
}
func NewLifecycle(conn ssh.Conn, forwarder Forwarder, slugManager slug.Manager, user string) *Lifecycle {
return &Lifecycle{
status: "",
conn: conn,
channel: nil,
forwarder: forwarder,
slugManager: slugManager,
unregisterClient: nil,
status: types.INITIALIZING,
conn: conn,
channel: nil,
forwarder: forwarder,
slugManager: slugManager,
sessionRegistry: nil,
startedAt: time.Now(),
user: user,
}
}
func (l *Lifecycle) SetUnregisterClient(unregisterClient func(slug string)) {
l.unregisterClient = unregisterClient
func (l *Lifecycle) SetSessionRegistry(registry SessionRegistry) {
l.sessionRegistry = registry
}
type SessionLifecycle interface {
@@ -46,8 +56,15 @@ type SessionLifecycle interface {
SetStatus(status types.Status)
GetConnection() ssh.Conn
GetChannel() ssh.Channel
GetUser() string
SetChannel(channel ssh.Channel)
SetUnregisterClient(unregisterClient func(slug string))
SetSessionRegistry(registry SessionRegistry)
IsActive() bool
StartedAt() time.Time
}
func (l *Lifecycle) GetUser() string {
return l.user
}
func (l *Lifecycle) GetChannel() ssh.Channel {
@@ -62,6 +79,9 @@ func (l *Lifecycle) GetConnection() ssh.Conn {
}
func (l *Lifecycle) SetStatus(status types.Status) {
l.status = status
if status == types.RUNNING && l.startedAt.IsZero() {
l.startedAt = time.Now()
}
}
func (l *Lifecycle) Close() error {
@@ -85,12 +105,13 @@ func (l *Lifecycle) Close() error {
}
clientSlug := l.slugManager.Get()
if clientSlug != "" {
l.unregisterClient(clientSlug)
if clientSlug != "" && l.sessionRegistry.Remove != nil {
key := types.SessionKey{Id: clientSlug, Type: l.forwarder.GetTunnelType()}
l.sessionRegistry.Remove(key)
}
if l.forwarder.GetTunnelType() == types.TCP {
err := portUtil.Default.SetPortStatus(l.forwarder.GetForwardedPort(), false)
err = portUtil.Default.SetPortStatus(l.forwarder.GetForwardedPort(), false)
if err != nil {
return err
}
@@ -98,3 +119,11 @@ func (l *Lifecycle) Close() error {
return nil
}
func (l *Lifecycle) IsActive() bool {
return l.status == types.RUNNING
}
func (l *Lifecycle) StartedAt() time.Time {
return l.startedAt
}

View File

@@ -1,66 +1,309 @@
package session
import "sync"
import (
"fmt"
"sync"
"tunnel_pls/types"
)
type Key = types.SessionKey
type Registry interface {
Get(slug string) (session *SSHSession, exist bool)
Update(oldSlug, newSlug string) (success bool)
Register(slug string, session *SSHSession) (success bool)
Remove(slug string)
Get(key Key) (session *SSHSession, err error)
GetWithUser(user string, key Key) (session *SSHSession, err error)
Update(user string, oldKey, newKey Key) error
Register(key Key, session *SSHSession) (success bool)
Remove(key Key)
GetAllSessionFromUser(user string) []*SSHSession
}
type registry struct {
mu sync.RWMutex
clients map[string]*SSHSession
mu sync.RWMutex
byUser map[string]map[Key]*SSHSession
slugIndex map[Key]string
}
func NewRegistry() Registry {
return &registry{
clients: make(map[string]*SSHSession),
byUser: make(map[string]map[Key]*SSHSession),
slugIndex: make(map[Key]string),
}
}
func (r *registry) Get(slug string) (session *SSHSession, exist bool) {
func (r *registry) Get(key Key) (session *SSHSession, err error) {
r.mu.RLock()
defer r.mu.RUnlock()
session, exist = r.clients[slug]
return
}
func (r *registry) Update(oldSlug, newSlug string) (success bool) {
r.mu.Lock()
defer r.mu.Unlock()
if _, exists := r.clients[newSlug]; exists && newSlug != oldSlug {
return false
}
client, ok := r.clients[oldSlug]
userID, ok := r.slugIndex[key]
if !ok {
return false
return nil, fmt.Errorf("session not found")
}
delete(r.clients, oldSlug)
client.slugManager.Set(newSlug)
r.clients[newSlug] = client
return true
client, ok := r.byUser[userID][key]
if !ok {
return nil, fmt.Errorf("session not found")
}
return client, nil
}
func (r *registry) Register(slug string, session *SSHSession) (success bool) {
func (r *registry) GetWithUser(user string, key Key) (session *SSHSession, err error) {
r.mu.RLock()
defer r.mu.RUnlock()
client, ok := r.byUser[user][key]
if !ok {
return nil, fmt.Errorf("session not found")
}
return client, nil
}
func (r *registry) Update(user string, oldKey, newKey Key) error {
if oldKey.Type != newKey.Type {
return fmt.Errorf("tunnel type cannot change")
}
if newKey.Type != types.HTTP {
return fmt.Errorf("non http tunnel cannot change slug")
}
if isForbiddenSlug(newKey.Id) {
return fmt.Errorf("this subdomain is reserved. Please choose a different one")
}
if !isValidSlug(newKey.Id) {
return fmt.Errorf("invalid subdomain. Follow the rules")
}
r.mu.Lock()
defer r.mu.Unlock()
if _, exists := r.clients[slug]; exists {
return false
if _, exists := r.slugIndex[newKey]; exists && newKey != oldKey {
return fmt.Errorf("someone already uses this subdomain")
}
client, ok := r.byUser[user][oldKey]
if !ok {
return fmt.Errorf("session not found")
}
r.clients[slug] = session
return true
delete(r.byUser[user], oldKey)
delete(r.slugIndex, oldKey)
client.slugManager.Set(newKey.Id)
r.slugIndex[newKey] = user
if r.byUser[user] == nil {
r.byUser[user] = make(map[Key]*SSHSession)
}
r.byUser[user][newKey] = client
return nil
}
func (r *registry) Remove(slug string) {
func (r *registry) Register(key Key, session *SSHSession) (success bool) {
r.mu.Lock()
defer r.mu.Unlock()
delete(r.clients, slug)
if _, exists := r.slugIndex[key]; exists {
return false
}
userID := session.lifecycle.GetUser()
if r.byUser[userID] == nil {
r.byUser[userID] = make(map[Key]*SSHSession)
}
r.byUser[userID][key] = session
r.slugIndex[key] = userID
return true
}
func (r *registry) GetAllSessionFromUser(user string) []*SSHSession {
r.mu.RLock()
defer r.mu.RUnlock()
m := r.byUser[user]
if len(m) == 0 {
return []*SSHSession{}
}
sessions := make([]*SSHSession, 0, len(m))
for _, s := range m {
sessions = append(sessions, s)
}
return sessions
}
func (r *registry) Remove(key Key) {
r.mu.Lock()
defer r.mu.Unlock()
userID, ok := r.slugIndex[key]
if !ok {
return
}
delete(r.byUser[userID], key)
if len(r.byUser[userID]) == 0 {
delete(r.byUser, userID)
}
delete(r.slugIndex, key)
}
func isValidSlug(slug string) bool {
if len(slug) < minSlugLength || len(slug) > maxSlugLength {
return false
}
if slug[0] == '-' || slug[len(slug)-1] == '-' {
return false
}
for _, c := range slug {
if !isValidSlugChar(byte(c)) {
return false
}
}
return true
}
func isValidSlugChar(c byte) bool {
return (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '-'
}
func isForbiddenSlug(slug string) bool {
_, ok := forbiddenSlugs[slug]
return ok
}
var forbiddenSlugs = map[string]struct{}{
"ping": {},
"staging": {},
"admin": {},
"root": {},
"api": {},
"www": {},
"support": {},
"help": {},
"status": {},
"health": {},
"login": {},
"logout": {},
"signup": {},
"register": {},
"settings": {},
"config": {},
"null": {},
"undefined": {},
"example": {},
"test": {},
"dev": {},
"system": {},
"administrator": {},
"dashboard": {},
"account": {},
"profile": {},
"user": {},
"users": {},
"auth": {},
"oauth": {},
"callback": {},
"webhook": {},
"webhooks": {},
"static": {},
"assets": {},
"cdn": {},
"mail": {},
"email": {},
"ftp": {},
"ssh": {},
"git": {},
"svn": {},
"blog": {},
"news": {},
"about": {},
"contact": {},
"terms": {},
"privacy": {},
"legal": {},
"billing": {},
"payment": {},
"checkout": {},
"cart": {},
"shop": {},
"store": {},
"download": {},
"uploads": {},
"images": {},
"img": {},
"css": {},
"js": {},
"fonts": {},
"public": {},
"private": {},
"internal": {},
"external": {},
"proxy": {},
"cache": {},
"debug": {},
"metrics": {},
"monitoring": {},
"graphql": {},
"rest": {},
"rpc": {},
"socket": {},
"ws": {},
"wss": {},
"app": {},
"apps": {},
"mobile": {},
"desktop": {},
"embed": {},
"widget": {},
"docs": {},
"documentation": {},
"wiki": {},
"forum": {},
"community": {},
"feedback": {},
"report": {},
"abuse": {},
"spam": {},
"security": {},
"verify": {},
"confirm": {},
"reset": {},
"password": {},
"recovery": {},
"unsubscribe": {},
"subscribe": {},
"notifications": {},
"alerts": {},
"messages": {},
"inbox": {},
"outbox": {},
"sent": {},
"draft": {},
"trash": {},
"archive": {},
"search": {},
"explore": {},
"discover": {},
"trending": {},
"popular": {},
"featured": {},
"new": {},
"latest": {},
"top": {},
"best": {},
"hot": {},
"random": {},
"all": {},
"any": {},
"none": {},
"true": {},
"false": {},
}
var (
minSlugLength = 3
maxSlugLength = 20
)

View File

@@ -46,16 +46,16 @@ func (s *SSHSession) GetSlugManager() slug.Manager {
return s.slugManager
}
func New(conn *ssh.ServerConn, forwardingReq <-chan *ssh.Request, sshChan <-chan ssh.NewChannel, sessionRegistry Registry) *SSHSession {
func New(conn *ssh.ServerConn, forwardingReq <-chan *ssh.Request, sshChan <-chan ssh.NewChannel, sessionRegistry Registry, user string) *SSHSession {
slugManager := slug.NewManager()
forwarderManager := forwarder.NewForwarder(slugManager)
interactionManager := interaction.NewInteraction(slugManager, forwarderManager)
lifecycleManager := lifecycle.NewLifecycle(conn, forwarderManager, slugManager)
lifecycleManager := lifecycle.NewLifecycle(conn, forwarderManager, slugManager, user)
interactionManager.SetLifecycle(lifecycleManager)
interactionManager.SetSlugModificator(sessionRegistry.Update)
forwarderManager.SetLifecycle(lifecycleManager)
lifecycleManager.SetUnregisterClient(sessionRegistry.Remove)
interactionManager.SetSessionRegistry(sessionRegistry)
lifecycleManager.SetSessionRegistry(sessionRegistry)
return &SSHSession{
initialReq: forwardingReq,
@@ -68,6 +68,24 @@ func New(conn *ssh.ServerConn, forwardingReq <-chan *ssh.Request, sshChan <-chan
}
}
type Detail struct {
ForwardingType string `json:"forwarding_type,omitempty"`
Slug string `json:"slug,omitempty"`
UserID string `json:"user_id,omitempty"`
Active bool `json:"active,omitempty"`
StartedAt time.Time `json:"started_at,omitempty"`
}
func (s *SSHSession) Detail() Detail {
return Detail{
ForwardingType: string(s.forwarder.GetTunnelType()),
Slug: s.slugManager.Get(),
UserID: s.lifecycle.GetUser(),
Active: s.lifecycle.IsActive(),
StartedAt: s.lifecycle.StartedAt(),
}
}
func (s *SSHSession) Start() error {
channel := <-s.sshReqChannel
ch, reqs, err := channel.Accept()
@@ -86,7 +104,7 @@ func (s *SSHSession) Start() error {
if err := s.lifecycle.Close(); err != nil {
log.Printf("failed to close session: %v", err)
}
return fmt.Errorf("No forwarding Request")
return fmt.Errorf("no forwarding Request")
}
s.lifecycle.SetChannel(ch)

View File

@@ -11,10 +11,16 @@ const (
type TunnelType string
const (
HTTP TunnelType = "HTTP"
TCP TunnelType = "TCP"
UNKNOWN TunnelType = "UNKNOWN"
HTTP TunnelType = "HTTP"
TCP TunnelType = "TCP"
)
type SessionKey struct {
Id string
Type TunnelType
}
var BadGatewayResponse = []byte("HTTP/1.1 502 Bad Gateway\r\n" +
"Content-Length: 11\r\n" +
"Content-Type: text/plain\r\n\r\n" +