app/core/DavPushSecrets.h
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include <QByteArray> | ||
| 4 | #include <QObject> | ||
| 5 | #include <QString> | ||
| 6 | #include <functional> | ||
| 7 | #include <optional> | ||
| 8 | |||
| 9 | #include "service/WebPushPayloadCodec.h" | ||
| 10 | |||
| 11 | // Sprint 96 S96.1.3 / §2.3: DAV-Push secrets live in the keyring only — the | ||
| 12 | // receive channel (a capability URL), the subscription private key, the | ||
| 13 | // auth secret and an optional provider token. Keys are named by the | ||
| 14 | // per-profile installation id, so two profiles never share a receiver. | ||
| 15 | // The interface is asynchronous like the keyring; tests use a memory store. | ||
| 16 | class DavPushSecretStore { | ||
| 17 | public: | ||
| 18 | using ReadCallback = std::function<void(bool found, QByteArray value)>; | ||
| 19 | using DoneCallback = std::function<void(bool ok)>; | ||
| 20 | 861 | virtual ~DavPushSecretStore() = default; | |
| 21 | // Callbacks run later on the owner's thread and never after `owner` died. | ||
| 22 | virtual void read(QObject *owner, const QString &key, ReadCallback callback) = 0; | ||
| 23 | virtual void write(QObject *owner, const QString &key, const QByteArray &value, DoneCallback callback) = 0; | ||
| 24 | virtual void remove(QObject *owner, const QString &key, DoneCallback callback) = 0; | ||
| 25 | }; | ||
| 26 | |||
| 27 | // Production: QtKeychain through CredentialStore, service "davpush". | ||
| 28 | class KeyringDavPushSecretStore final : public DavPushSecretStore { | ||
| 29 | public: | ||
| 30 | void read(QObject *owner, const QString &key, ReadCallback callback) override; | ||
| 31 | void write(QObject *owner, const QString &key, const QByteArray &value, DoneCallback callback) override; | ||
| 32 | void remove(QObject *owner, const QString &key, DoneCallback callback) override; | ||
| 33 | }; | ||
| 34 | |||
| 35 | // The secret material of one account receiver (JSON in the keyring). | ||
| 36 | struct DavPushReceiverSecret { | ||
| 37 | QString channel; // ntfy topic (capability) | ||
| 38 | WebPushPayloadCodec::Keys keys; // subscription keys | ||
| 39 |
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15 | bool isValid() const { return !channel.isEmpty() && keys.isValid(); } |
| 40 | QByteArray serialize() const; | ||
| 41 | static std::optional<DavPushReceiverSecret> parse(const QByteArray &json); | ||
| 42 | // "up" + 12 random characters [A-Za-z0-9] (≈ 71 bit): the UnifiedPush | ||
| 43 | // topic form ntfy requires for subscriber-based rate limiting (ADR-96-1). | ||
| 44 | static constexpr int kChannelLength = 14; | ||
| 45 | static QString newChannel(); | ||
| 46 | // False for channels of earlier builds (longer names), which such ntfy | ||
| 47 | // servers refuse; the receiver is then replaced. | ||
| 48 | bool hasProviderChannel() const; | ||
| 49 | }; | ||
| 50 | |||
| 51 | namespace DavPushSecretKeys { | ||
| 52 | 46 | inline QString receiver(const QString &installationId, const QString &receiverId) { | |
| 53 |
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92 | return QStringLiteral("receiver/") + installationId + QLatin1Char('/') + receiverId; |
| 54 | } | ||
| 55 | 10 | inline QString providerToken(const QString &installationId) { | |
| 56 |
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10 | return QStringLiteral("provider-token/") + installationId; |
| 57 | } | ||
| 58 | } // namespace DavPushSecretKeys | ||
| 59 |