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5 Commits
Author SHA1 Message Date
e85b5ff033 Consolidate appname to internal/globals as a constant (#34)
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Closes [issue #30](#30).

The appname `"pixad"` was redundantly defined in both `cmd/pixad/main.go` (as a package-level var) and `internal/globals/globals.go` (as a package-level var that got copied from main). Since the appname is always `"pixad"` and is not actually set via ldflags (only `Version` is), this PR:

- Defines `appname` once as an unexported constant in `internal/globals/globals.go`
- Removes the `Appname` var from `cmd/pixad/main.go`
- Removes the `globals.Appname = Appname` assignment from `main.run()`
- Keeps `Version` flow unchanged (still set via ldflags in main, passed to globals)

The `Globals.Appname` struct field remains available to all consumers — they just get it from the constant now instead of a package var that was always `"pixad"`.

All existing tests pass, `docker build .` succeeds.

Co-authored-by: user <user@Mac.lan guest wan>
Co-authored-by: Jeffrey Paul <sneak@noreply.example.org>
Reviewed-on: #34
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>
2026-03-20 07:04:54 +01:00
55a609dd77 Bound imageprocessor.Process input read to prevent unbounded memory use (#37)
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closes #31

## Problem

`ImageProcessor.Process` used `io.ReadAll(input)` without any size limit, allowing arbitrarily large inputs to exhaust all available memory. This is a DoS vector — even though the upstream fetcher has a `MaxResponseSize` limit (50 MiB), the processor interface accepts any `io.Reader` and should defend itself independently.

Additionally, the service layer's `processFromSourceOrFetch` read cached source content with `io.ReadAll` without a bound, so an unexpectedly large cached file could also cause unbounded memory consumption.

## Changes

### Processor (`processor.go`)
- Added `maxInputBytes` field to `ImageProcessor` (configurable, defaults to 50 MiB via `DefaultMaxInputBytes`)
- `NewImageProcessor` now accepts a `maxInputBytes` parameter (0 or negative uses the default)
- `Process` now wraps the input reader with `io.LimitReader` and rejects inputs exceeding the limit with `ErrInputDataTooLarge`
- Added `DefaultMaxInputBytes` and `ErrInputDataTooLarge` exported constants/errors

### Service (`service.go`)
- `NewService` now wires the fetcher's `MaxResponseSize` through to the processor
- Extracted `loadCachedSource` helper method to flatten nesting in `processFromSourceOrFetch`
- Cached source reads are now bounded by `maxResponseSize` — oversized cached files are discarded and re-fetched

### Tests (`processor_test.go`)
- `TestImageProcessor_RejectsOversizedInputData` — verifies that inputs exceeding `maxInputBytes` are rejected with `ErrInputDataTooLarge`
- `TestImageProcessor_AcceptsInputWithinLimit` — verifies that inputs within the limit are processed normally
- `TestImageProcessor_DefaultMaxInputBytes` — verifies that 0 and negative values use the default
- All existing tests updated to use `NewImageProcessor(0)` (default limit)

Co-authored-by: user <user@Mac.lan guest wan>
Co-authored-by: clawbot <clawbot@eeqj.de>
Reviewed-on: #37
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>
2026-03-20 07:01:15 +01:00
clawbotanduser 9c29cb57df feat: parse version prefix from migration filenames (#33)
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Closes #28

Migration filenames now follow the pattern `<version>_<description>.sql` (e.g. `001_initial_schema.sql`). The version stored in `schema_migrations` is the numeric prefix only, not the full filename stem.

## Changes

- **`ParseMigrationVersion()`** — new exported function that extracts the numeric prefix from migration filenames. Validates that the prefix is purely numeric and rejects malformed filenames (empty prefix, non-numeric characters, leading underscore).
- **Renamed `001.sql` → `001_initial_schema.sql`** — migration files can now have descriptive names while the tracked version remains `001`. This is safe pre-1.0.0 (no installed base).
- **Deduplicated migration logic** — `runMigrations()` and `ApplyMigrations()` now share a single `applyMigrations()` implementation, plus extracted `collectMigrations()` and `ensureMigrationsTable()` helpers.
- **Unit tests** — `TestParseMigrationVersion` covers valid patterns (version-only, with description, multi-digit, multiple underscores) and error cases (empty, leading underscore, non-numeric, mixed alphanumeric). `TestApplyMigrations` and `TestApplyMigrationsIdempotent` verify end-to-end migration application against an in-memory SQLite database.

Co-authored-by: user <user@Mac.lan guest wan>
Reviewed-on: #33
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>
2026-03-18 03:18:38 +01:00
clawbotanduser 2e934c8894 fix: QA audit fixes for 1.0/MVP readiness (#25)
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closes #24

## QA Audit Fixes

This PR addresses issues found during the 1.0/MVP QA audit.

### Changes

1. **TODO.md: Mark AVIF encoding as done** — AVIF encoding is fully implemented via govips in `processor.go` but was still listed as a TODO item.

2. **scripts/manual-test.sh: Fix form field names** — The manual test script was using wrong field names:
   - Login form: was sending `password=...`, should be `key=...` (matching the HTML form's `name="key"`)
   - Generator form: was sending `source_url`, `fit_mode` — should be `url`, `fit` (matching the handler's `r.FormValue()` calls)
   - This means **the manual test script never actually worked** — login always failed silently because the `key` field was empty.

### Full QA Audit Results

The comprehensive QA audit report has been posted as a comment on [issue #24](#24).

Co-authored-by: user <user@Mac.lan guest wan>
Reviewed-on: #25
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>
2026-03-15 17:58:13 +01:00
clawbotandclawbot 2f15340f26 Split Dockerfile: pre-built golangci-lint stage for faster CI (#23)
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## Summary

Splits the Dockerfile into a dedicated lint stage using the pre-built `golangci/golangci-lint:v2.10.1-alpine` Docker image, replacing the manual binary download with curl/sha256 verification.

## Changes

- **Lint stage** (`AS lint`): Uses `golangci/golangci-lint:v2.10.1-alpine` pinned by sha256. Runs `make fmt-check` + `make lint`. Includes CGO deps (`build-base`, `vips-dev`, `libheif-dev`, `pkgconfig`) needed for type-checking govips imports.
- **Build stage** (`AS builder`): Depends on lint stage via `COPY --from=lint /src/go.sum /dev/null`. Runs `make test` + builds the binary. Removes `curl` (no longer needed) and the manual golangci-lint download block.
- **Runtime stage**: Unchanged.

## Benefits

- Eliminates slow multi-arch binary download + sha256 verification step
- Lint and build stages can potentially run in parallel with BuildKit
- Better Docker layer caching — lint deps cached separately from build deps
- All images remain pinned by sha256 with version+date comments

## Verification

- `docker build .` passes: fmt-check , lint (0 issues) , all tests pass , binary builds 

Closes [#18](#18)

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Co-authored-by: clawbot <clawbot@noreply.git.eeqj.de>
Reviewed-on: #23
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>
2026-03-02 21:09:51 +01:00