clawbot
8c2071f93a
feat: implement hashcash proof-of-work for session creation
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Add SHA-256-based hashcash proof-of-work requirement to POST /session
to prevent abuse via rapid session creation. The server advertises the
required difficulty via GET /server (hashcash_bits field), and clients
must include a valid stamp in the X-Hashcash request header.
Server-side:
- New internal/hashcash package with stamp validation (format, bits,
date, resource, replay prevention via in-memory spent set)
- Config: NEOIRC_HASHCASH_BITS env var (default 20, set 0 to disable)
- GET /server includes hashcash_bits when > 0
- POST /session validates X-Hashcash header when enabled
- Returns HTTP 402 for missing/invalid stamps
Client-side:
- SPA: fetches hashcash_bits from /server, computes stamp using Web
Crypto API with batched SHA-256, shows 'Computing proof-of-work...'
feedback during computation
- CLI: api package gains MintHashcash() function, CreateSession()
auto-fetches server info and computes stamp when required
Stamp format: 1:bits:YYMMDD:resource::counter (standard hashcash)
closes #11
2026-03-10 02:51:15 -07:00
946f208ac2
feat: implement IRC numerics batch 2 — connection registration, channel ops, user queries ( #59 )
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## Summary
Implements the remaining important/commonly-used IRC numeric reply codes, as requested in [issue #52 ](#52 ).
### Connection Registration (001-005)
- **002 RPL_YOURHOST** — "Your host is <server>, running version <ver>"
- **003 RPL_CREATED** — "This server was created <date>"
- **004 RPL_MYINFO** — "<server> <version> <usermodes> <chanmodes>"
- **005 RPL_ISUPPORT** — CHANTYPES=#, NICKLEN=32, CHANMODES, NETWORK=neoirc, CASEMAPPING=ascii
All sent automatically after RPL_WELCOME during session creation/login.
### Server Statistics (251-255)
- **251 RPL_LUSERCLIENT** — user count
- **252 RPL_LUSEROP** — operator count
- **254 RPL_LUSERCHANNELS** — channel count
- **255 RPL_LUSERME** — local client count
Sent during connection registration and available via LUSERS command.
### Channel Operations
- **MODE command** — query channel modes (324 RPL_CHANNELMODEIS + 329 RPL_CREATIONTIME) and user modes (221 RPL_UMODEIS)
- **NAMES command** — query channel member list (reuses 353/366)
- **LIST command** — list all channels with member counts (322 RPL_LIST + 323 end)
### User Queries
- **WHOIS command** — 311 RPL_WHOISUSER, 312 RPL_WHOISSERVER, 319 RPL_WHOISCHANNELS, 318 RPL_ENDOFWHOIS
- **WHO command** — 352 RPL_WHOREPLY, 315 RPL_ENDOFWHO
### Database Additions
- `GetChannelCount()` — total channel count for LUSERS
- `ListAllChannelsWithCounts()` — channels with member counts for LIST
- `GetChannelCreatedAt()` — channel creation time for RPL_CREATIONTIME
- `GetSessionCreatedAt()` — session creation time
### Other Changes
- Added `StartTime` to `Globals` struct for RPL_CREATED
- Updated README with comprehensive documentation of all new commands and numerics
- Updated roadmap to reflect implemented features
`docker build .` passes (lint, tests, build all green).
closes [#52 ](#52 )
<!-- session: agent:sdlc-manager:subagent:1f3dcab8-ad6a-4c4c-af72-34a617640c9d -->
Co-authored-by: clawbot <clawbot@noreply.git.eeqj.de >
Co-authored-by: clawbot <clawbot@git.eeqj.de >
Reviewed-on: #59
Co-authored-by: clawbot <sneak+clawbot@sneak.cloud >
Co-committed-by: clawbot <sneak+clawbot@sneak.cloud >
2026-03-10 00:53:46 +01:00
2da7f11484
Rename app from chat to neoirc, binary to neoircd ( closes #46 ) ( #47 )
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Complete rename of the application from `chat` to `neoirc` with binary name `neoircd`.
closes #46
## Changes
- **Go module path**: `git.eeqj.de/sneak/chat` → `git.eeqj.de/sneak/neoirc`
- **Server binary**: `chatd` → `neoircd`
- **CLI binary**: `chat-cli` → `neoirc-cli`
- **Cmd directories**: `cmd/chatd` → `cmd/neoircd`, `cmd/chat-cli` → `cmd/neoirc-cli`
- **Go package**: `chatapi` → `neoircapi`
- **Makefile**: binary name, build targets, docker image tag, clean target
- **Dockerfile**: binary paths, user/group names (`chat` → `neoirc`), ENTRYPOINT
- **`.gitignore`/`.dockerignore`**: artifact names
- **All Go imports and doc comments**
- **Default server name**: `chat` → `neoirc`
- **Web client**: localStorage keys (`chat_token`/`chat_channels` → `neoirc_token`/`neoirc_channels`), page title, default server display name
- **Schema files**: all `$id` URLs and example hostnames
- **README.md**: project name, all binary references, examples, directory tree
- **AGENTS.md**: build command reference
- **Test fixtures**: app name and channel names
Docker build passes. All tests pass.
<!-- session: agent:sdlc-manager:subagent:a4b8dbd3-a7c8-4fad-8239-bb5a64a9b3d6 -->
Co-authored-by: clawbot <clawbot@noreply.eeqj.de >
Reviewed-on: #47
Co-authored-by: clawbot <clawbot@noreply.example.org >
Co-committed-by: clawbot <clawbot@noreply.example.org >
2026-03-07 14:43:58 +01:00
