jochen
d8144b704d
So the operator can click through the page on their own machine before it is delivered: cmd/mail-page-dev serves internal/web's real handlers on 127.0.0.1 alone, over invented mail in two accounts and an in-memory mail reading that fills every section, with an always-signed-in stand-in; nothing reaches the bus, a database, Keycloak or a mail server. -now fixes today. The README says how to run it and what is a stand-in.
64 lines
2.0 KiB
Go
64 lines
2.0 KiB
Go
package web
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// The trusted setting modes (novox/hq ADR 0515 §4, issue 1859): which accounts Work and Personal each show,
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// by the accounts' names in mail-store; Everything shows every granted account and is not set. Read fresh
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// each time the page asks, like operators (config.go): a setting that cannot be read shows nothing in Work or
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// Personal and says why, never another mode's mail.
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import (
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"strings"
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)
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// ModesFile is the setting as the mesh writes it.
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type ModesFile struct {
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Modes map[string][]string `json:"modes"`
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}
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// ReadModes reads the setting modes: only work and personal, each a list of account names.
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func ReadModes(path string) (map[string][]string, error) {
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if path == "" {
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return nil, errors.New("the module was started without its modes setting (MESH_MAIL_WEB_MODES)")
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}
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raw, err := os.ReadFile(path)
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if err != nil {
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return nil, fmt.Errorf("the modes setting cannot be read: %w", err)
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}
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dec := json.NewDecoder(strings.NewReader(string(raw)))
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dec.DisallowUnknownFields()
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var f ModesFile
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if err := dec.Decode(&f); err != nil {
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return nil, fmt.Errorf("the modes setting is not the module's: %w", err)
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}
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for name := range f.Modes {
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if name != "work" && name != "personal" {
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return nil, fmt.Errorf("the modes setting names the mode %q; it sets work and personal alone", name)
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}
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}
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return f.Modes, nil
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}
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// modeAccounts answers the accounts mode shows — nil for Everything, every granted account — or why it shows
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// none.
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func (b *Bundle) modeAccounts(mode Mode) ([]string, string) {
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if mode.Name == "everything" {
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return nil, ""
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}
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read := func() (map[string][]string, error) { return ReadModes(b.Env.Modes) }
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if b.ModesSetting != nil {
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read = b.ModesSetting
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}
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modes, err := read()
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if err != nil {
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return nil, err.Error() + "; " + mode.Label + " shows nothing until it can be."
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}
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accounts := modes[mode.Name]
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if len(accounts) == 0 {
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return nil, "The setting modes names no account for " + mode.Label + "; Everything shows every account."
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}
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return accounts, ""
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}
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