jschoubben
e81ef8bb63
The indexer holds no published list of predefined keys; each key a value names is taken as the value declares it. No fingerprint input comes from the list: the gate and the controller still judge the value.
45 lines
1.7 KiB
Go
45 lines
1.7 KiB
Go
package index
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import (
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"encoding/json"
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"git.novox.be/novox/mesh-sdk/go/catalogue"
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)
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// readManifest reads a manifest as the catalogue's parser does, for the inputs of its fingerprint (issue 1751). A config
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// value falling back to a predefined key (novox/hq ADR 0348 §7) is judged against the list the mesh published when the
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// process holds one; the indexer holds none, since the list is read where a manifest is judged (the merge gate, from the
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// tree's root) and by the controller, so each key a value names is taken as the value declares it: of its type, trusted
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// when it is. What the list adds is the judging of the value, which the gate and the controller do; no input of a
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// fingerprint comes from it. Everything else the parser refuses is refused here too.
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func readManifest(raw []byte) (catalogue.Manifest, error) {
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list := catalogue.PublishedPredefined()
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if list == nil {
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list = fallbacksOf(raw)
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}
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return catalogue.ParseManifestWith(raw, list)
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}
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// fallbacksOf is the list of the predefined keys the manifest's config values fall back to, each as the value declares
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// it. A manifest that is not JSON gives an empty list, and the parser says what is wrong with it.
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func fallbacksOf(raw []byte) catalogue.PredefinedList {
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var m struct {
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Config map[string]struct {
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Type string `json:"type"`
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Description string `json:"description"`
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Predefined string `json:"predefined"`
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Trusted bool `json:"trusted"`
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} `json:"config"`
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}
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list := catalogue.PredefinedList{}
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if json.Unmarshal(raw, &m) != nil {
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return list
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}
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for _, d := range m.Config {
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if d.Predefined != "" {
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list[d.Predefined] = catalogue.PredefinedKey{Type: d.Type, Description: d.Description, Trusted: d.Trusted}
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}
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}
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return list
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}
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