mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 12:46:46 +00:00
100 lines
2.9 KiB
Go
100 lines
2.9 KiB
Go
// Copyright (c) 2023 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Proton Mail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package user
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import (
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"fmt"
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"reflect"
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"runtime"
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"strings"
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"github.com/ProtonMail/go-proton-api"
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"github.com/ProtonMail/proton-bridge/v3/internal/async"
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"golang.org/x/exp/maps"
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"golang.org/x/exp/slices"
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)
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// mapTo converts the slice to the given type.
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// This is not runtime safe, so make sure the slice is of the correct type!
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// (This is a workaround for the fact that slices cannot be converted to other types generically).
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func mapTo[From, To any](from []From) []To {
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to := make([]To, 0, len(from))
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for _, from := range from {
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val, ok := reflect.ValueOf(from).Convert(reflect.TypeOf(to).Elem()).Interface().(To)
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if !ok {
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panic(fmt.Sprintf("cannot convert %T to %T", from, *new(To))) //nolint:gocritic
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}
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to = append(to, val)
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}
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return to
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}
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// groupBy returns a map of the given slice grouped by the given key.
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// Duplicate keys are overwritten.
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func groupBy[Key comparable, Value any](items []Value, key func(Value) Key) map[Key]Value {
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groups := make(map[Key]Value)
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for _, item := range items {
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groups[key(item)] = item
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}
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return groups
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}
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// getAddrID returns the address ID for the given email address.
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func getAddrID(apiAddrs map[string]proton.Address, email string) (string, error) {
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for _, addr := range apiAddrs {
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if strings.EqualFold(addr.Email, sanitizeEmail(email)) {
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return addr.ID, nil
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}
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}
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return "", fmt.Errorf("address %s not found", email)
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}
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// getAddrIdx returns the address with the given index.
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func getAddrIdx(apiAddrs map[string]proton.Address, idx int) (proton.Address, error) {
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sorted := sortSlice(maps.Values(apiAddrs), func(a, b proton.Address) bool {
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return a.Order < b.Order
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})
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if idx < 0 || idx >= len(sorted) {
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return proton.Address{}, fmt.Errorf("address index %d out of range", idx)
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}
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return sorted[idx], nil
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}
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// sortSlice returns the given slice sorted by the given comparator.
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func sortSlice[Item any](items []Item, less func(Item, Item) bool) []Item {
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sorted := make([]Item, len(items))
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copy(sorted, items)
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slices.SortFunc(sorted, less)
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return sorted
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}
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func newProtonAPIScheduler(panicHandler async.PanicHandler) proton.Scheduler {
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return proton.NewParallelScheduler(runtime.NumCPU()/2, panicHandler)
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}
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