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7 commits

Author SHA1 Message Date
8e9aae062b rename: kafka → samsa
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Full project rename from kafka to samsa (after Gregor Samsa, who
woke one morning from uneasy dreams to find himself transformed).

- Module: github.com/metamorphosis-dev/kafka → samsa
- Binary: cmd/kafka/ → cmd/samsa/
- CSS: kafka.css → samsa.css
- UI: all 'kafka' product names, titles, localStorage keys → samsa
- localStorage keys: kafka-theme → samsa-theme, kafka-engines → samsa-engines
- OpenSearch: ShortName, LongName, description, URLs updated
- AGPL headers: 'kafka' → 'samsa'
- Docs, configs, examples updated
- Cache key prefix: kafka: → samsa:
2026-03-22 23:44:55 +00:00
2b072e4de3 feat: add image search with Bing, DuckDuckGo, and Qwant engines
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Three new image search engines:
- bing_images: Bing Images via RSS endpoint
- ddg_images: DuckDuckGo Images via VQD API
- qwant_images: Qwant Images via v3 search API

Frontend:
- Image grid layout with responsive columns
- image_item template with thumbnail, title, and source metadata
- Hover animations and lazy loading
- Grid activates automatically when category=images

Backend:
- category=images routes to image engines via planner
- Image engines registered in factory and engine allowlist
- extractImgSrc helper for parsing thumbnail URLs from HTML
- IsImageSearch flag on PageData for template layout switching
2026-03-22 16:49:24 +00:00
da367a1bfd security: harden against SAST findings (criticals through mediums)
Critical:
- Validate baseURL/sourceURL/upstreamURL at config load time
  (prevents XML injection, XSS, SSRF via config/env manipulation)
- Use xml.Escape for OpenSearch XML template interpolation

High:
- Add security headers middleware (CSP, X-Frame-Options, HSTS, etc.)
- Sanitize result URLs to reject javascript:/data: schemes
- Sanitize infobox img_src against dangerous URL schemes
- Default CORS to deny-all (was wildcard *)

Medium:
- Rate limiter: X-Forwarded-For only trusted from configured proxies
- Validate engine names against known registry allowlist
- Add 1024-char max query length
- Sanitize upstream error messages (strip raw response bodies)
- Upstream client validates URL scheme (http/https only)

Test updates:
- Update extractIP tests for new trusted proxy behavior
2026-03-22 16:22:27 +00:00
7be03b4017 license: change from MIT to AGPLv3
Update LICENSE file and add AGPL header to all source files.

AGPLv3 ensures that if someone runs Kafka as a network service and
modifies it, they must release their source code under the same license.
2026-03-22 08:27:23 +00:00
fcd9be16df refactor: remove SearXNG references and rename binary to kafka
- Rename cmd/searxng-go to cmd/kafka
- Remove all SearXNG references from source comments while keeping
  "SearXNG-compatible API" in user-facing docs
- Update binary paths in README, CLAUDE.md, and Dockerfile
- Update log message to "kafka starting"

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-22 01:47:03 +01:00
28b61ff251 feat: HTMX + Go Templates HTML frontend
- Add internal/views/ package with embedded templates and static files
- Go html/template with SearXNG-compatible CSS class names
- Dark mode via prefers-color-scheme, responsive layout, print styles
- HTMX integration:
  - Debounced instant search (500ms) on the search input
  - Form submission targets #results via hx-post
  - Pagination buttons are HTMX-powered (swap results div only)
  - HX-Request header detection for fragment vs full page rendering
- Template structure:
  - base.html: full page layout with HTMX script, favicon, CSS
  - index.html: homepage with centered search box
  - results.html: full results page (wraps base + results_inner)
  - results_inner.html: results fragment (HTMX partial + sidebar + pagination)
  - result_item.html: reusable result article partial
- Smart format detection: browser requests (Accept: text/html) default to HTML,
  API clients default to JSON
- Static files served at /static/ from embedded FS (CSS, favicon SVG)
- Index route at GET /
- Empty query on HTML format redirects to homepage
- Custom CSS (gosearch.css): clean, minimal, privacy-respecting aesthetic
  with light/dark mode, responsive breakpoints, print stylesheet
- Add views package tests
2026-03-21 16:10:42 +00:00
dc44837219 feat: build Go-based SearXNG-compatible search service
Implement an API-first Go rewrite with local engine adapters, upstream fallback, and Nix-based tooling so searches can run without matching the original UI while preserving response compatibility.

Made-with: Cursor
2026-03-20 20:34:08 +01:00