clawbot
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smallwebwaf watches SWWAF_STATE_DIR with fsnotify and takes in a saved edit of a state file in place of what it held. It knows its own writes by the SHA-256 of what it last read or wrote; each write first takes in an edit made since. An edit that does not parse is renamed to <name>.bad at the next write. Each edit taken in or set aside is logged and counted. Every ban on a netblock is checked, and the next ban is worked out from the one that ended last. README.md says how to add and lift a ban. Judgement call: a broken edit is set aside at the next write, since an editor's file can be read half written. Model: opus-5-5
36 lines
775 B
Go
36 lines
775 B
Go
package state
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import (
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"os"
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"path/filepath"
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"testing"
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)
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// The test is on write itself: a state file is read before it is
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// written, and a directory in its place fails that read first.
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func TestFailedRenameLeavesNoTemporaryFile(t *testing.T) {
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t.Parallel()
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dir := t.TempDir()
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// A directory named bans.json cannot be renamed over.
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err := os.Mkdir(filepath.Join(dir, bansJSON), 0o700)
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if err != nil {
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t.Fatalf("mkdir: %v", err)
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}
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err = write(dir, bansJSON, []byte("{}\n"))
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if err == nil {
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t.Error("writing over a directory did not fail")
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}
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entries, err := os.ReadDir(dir)
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if err != nil {
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t.Fatalf("read %s: %v", dir, err)
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}
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if len(entries) != 1 || entries[0].Name() != bansJSON {
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t.Errorf("%s holds %v, want only bans.json", dir, entries)
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}
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}
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