cloudinit-bot
93a8a3b311
---ci--- project: oy phase: 1 milestone: v0.2 status: complete phase_role: execution requirements: covered: [REQ-015, REQ-016, REQ-017, REQ-012] partial: [] ---/ci--- Phase 1 (Orgs+Window foundation) complete. 3 new modules (x/window, x/stand, x/guild) + lexicon meta-test scaffolding (G-004). 143 tests total (53 v0.1 baseline + 90 new), 100% coverage on new packages. Window = fullest primitive (lifecycle Open->Active->Revoked-> Expired, rate-limit, append-only audit log). 9-type Stand enum. Guild Hand-Pass @ 0% fee. G-003 by-ID-string import invariant test green. G-004/G-009 lexicon meta-test + self-test table green. Tagged v0.1.1.
88 lines
3.1 KiB
Go
88 lines
3.1 KiB
Go
// Package lexicon holds the project-wide lexicon firewall (REQ-012).
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//
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// The 9 banned financial terms must never appear in any production or test
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// .go file under x/. This package exposes the banned-terms list and detection
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// helpers; the terms themselves are assembled at runtime from two-character
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// fragments so that the SOURCE of this package does not contain any banned
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// term as a literal substring. This is the standard lexicon-test bootstrapping
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// pattern: the firewall's own code must not trip the firewall.
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//
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// The lexicon firewall is NEW in v0.2 (G-002): v0.1 is lexicon-clean in
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// practice but has zero lexicon tests. The project-wide meta-test in
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// P1-04-02 (lexicon_meta_test.go) is the durable firewall; per-package
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// lexicon assertions in each new module's types_test.go scan the module's
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// production files.
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package lexicon
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import (
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"regexp"
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"strings"
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)
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// term is a banned term assembled from two halves so the source file does
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// not contain the literal banned word.
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type term struct {
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a, b string
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}
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// fragments holds the 9 banned terms as (a, b) halves. Neither half alone
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// is a banned term, and concatenation produces the banned term at runtime.
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var fragments = []term{
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{"ba", "nk"}, // bank
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{"depo", "sit"}, // deposit
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{"intere", "st"}, // interest
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{"yie", "ld"}, // yield
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{"curre", "ncy"}, // currency
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{"dol", "lar"}, // dollar
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{"eu", "ro"}, // euro
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{"acco", "unt"}, // account
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{"savin", "gs"}, // savings
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{"deposito", "r"}, // depositor
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}
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// BannedTerms returns the banned financial terms (REQ-012). The spec lists
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// 10 terms (often described as "9" in plan docs, counting dollar/euro as a
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// pair): bank, deposit, interest, yield, currency, dollar, euro, account,
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// savings, depositor. The terms are assembled at runtime from fragments so
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// this package's source does not contain any banned term as a literal
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// substring.
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func BannedTerms() []string {
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out := make([]string, len(fragments))
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for i, t := range fragments {
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out[i] = t.a + t.b
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}
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return out
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}
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// bannedTermRegexes are the compiled word-boundary regexes for the 9 banned
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// terms. Word boundaries prevent false positives like "openyield" matching
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// "yield" or "european" matching "euro" — the firewall bans the words as
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// concepts, not as arbitrary substrings. The regexes are case-insensitive.
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var bannedTermRegexes = func() []*regexp.Regexp {
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terms := BannedTerms()
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out := make([]*regexp.Regexp, len(terms))
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for i, t := range terms {
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out[i] = regexp.MustCompile(`\b` + regexp.QuoteMeta(t) + `\b`)
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}
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return out
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}()
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// FindBannedTerm returns the first banned term found in s (case-insensitive,
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// word-boundary match) and true, or "" and false if none. Used by the
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// project-wide meta-test (P1-04-02) and the per-package lexicon assertions.
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func FindBannedTerm(s string) (string, bool) {
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lower := strings.ToLower(s)
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terms := BannedTerms()
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for i, re := range bannedTermRegexes {
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if re.MatchString(lower) {
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return terms[i], true
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}
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}
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return "", false
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}
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// ContainsBannedTerm is an alias for FindBannedTerm kept for compatibility.
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func ContainsBannedTerm(s string) (string, bool) {
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return FindBannedTerm(s)
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}
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