mirror of
https://github.com/MengMengCode/VoCat.git
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MengMengCode
8a260e86f1
- Added `automatic_tasks.go` and `automatic_tasks_test.go` for backend logic and testing of automatic tasks. - Created `automatic_tasks_test.go` to validate task claiming and deletion behavior. - Developed `AutomaticTasksPage.tsx` for frontend management of automatic tasks, including task creation, editing, and execution. - Integrated device and eSIM profile selection for task configuration. - Implemented automatic task scheduling and retry logic in the backend.
67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
package device
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import (
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_ "embed"
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"encoding/json"
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"strings"
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)
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// The offline table is generated by scripts/update-carriers.py from Android's
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// versioned carrier ID database, with the previous global table retained as a
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// fallback for PLMNs that Android does not yet catalogue.
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//
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//go:embed mccmnc.json
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var carrierDatabaseJSON []byte
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type carrierDatabase struct {
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Carriers map[string][]string `json:"c"`
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}
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var globalCarrierDatabase = func() carrierDatabase {
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var database carrierDatabase
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if err := json.Unmarshal(carrierDatabaseJSON, &database); err != nil {
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panic("device: invalid embedded MCC/MNC database: " + err.Error())
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}
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return database
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}()
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// CarrierForPLMN returns the offline carrier display name and ISO alpha-2
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// country/territory code for a numeric five- or six-digit PLMN.
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func CarrierForPLMN(plmn string) (name, countryCode string, ok bool) {
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plmn = strings.TrimSpace(plmn)
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if !decimalDigits(plmn, 5, 6) {
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return "", "", false
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}
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entry, ok := globalCarrierDatabase.Carriers[plmn]
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if !ok || len(entry) == 0 || strings.TrimSpace(entry[0]) == "" {
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return "", "", false
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}
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name = strings.TrimSpace(entry[0])
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if len(entry) > 1 {
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countryCode = strings.ToUpper(strings.TrimSpace(entry[1]))
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}
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return name, countryCode, true
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}
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// CarrierForIMSI resolves the home PLMN carried by an IMSI. MNCs may contain
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// either two or three digits, so prefer an exact six-digit database match and
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// then fall back to the five-digit form. This avoids treating the first three
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// subscriber digits as a three-digit MNC for networks such as 234-33.
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func CarrierForIMSI(imsi string) (plmn, name, countryCode string, ok bool) {
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imsi = strings.TrimSpace(imsi)
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if !decimalDigits(imsi, 5, 20) {
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return "", "", "", false
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}
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for _, length := range []int{6, 5} {
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if len(imsi) < length {
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continue
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}
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candidate := imsi[:length]
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carrier, country, found := CarrierForPLMN(candidate)
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if found {
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return candidate, carrier, country, true
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}
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}
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return "", "", "", false
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}
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