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feat: Add kosync user registration and switch to crosspoint-sync server (#2587)

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Implements createUser() endpoint to allow account creation via the
KOSync protocol. Changes default sync server from sync.koreader.rocks to
sync.crosspointreader.com with migration logic to preserve existing
users' server settings. Extends sync protocol to include position data
(spine index, page numbers, xpath) that crosspoint-sync supports while
remaining compatible with standard kosync servers.
This commit is contained in:
Justin Mitchell
2026-07-18 14:50:51 -04:00
committed by GitHub
parent 9737cb335c
commit b1d037569b
11 changed files with 320 additions and 53 deletions
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src/activities/reader/KOReaderSyncActivity.cpp
+29 -2
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@@ -232,8 +232,19 @@ void KOReaderSyncActivity::performSync() {
return;
}
SavedProgressPosition koPos = {remoteProgress.progress, remoteProgress.percentage};
remotePosition = ProgressMapper::toCrossPoint(epub, koPos, renderer, currentSpineIndex, totalPagesInSpine);
// Prefer the exact spine/page from a crosspoint-sync rich position (lossless
// CrossPoint<->CrossPoint sync); fall back to the approximate XPath mapping
// for plain kosync servers or when the rich position cannot be applied.
std::optional<CrossPointPosition> richMapped;
if (remoteProgress.position.has_value()) {
richMapped = ProgressMapper::fromRichPosition(epub, *remoteProgress.position, renderer);
}
if (richMapped.has_value()) {
remotePosition = *richMapped;
} else {
SavedProgressPosition koPos = {remoteProgress.progress, remoteProgress.percentage};
remotePosition = ProgressMapper::toCrossPoint(epub, koPos, renderer, currentSpineIndex, totalPagesInSpine);
}
if (smartSyncEnabled()) {
static constexpr float SAME_PROGRESS_EPSILON = 0.001f; // 0.1 percentage points
@@ -287,6 +298,22 @@ void KOReaderSyncActivity::performUpload() {
progress.progress = localProgress.xpath;
progress.percentage = localProgress.percentage;
// Rich CrossPoint position for crosspoint-sync servers (lossless
// CrossPoint<->CrossPoint sync); plain kosync servers ignore the extra field.
{
KOReaderRichPosition pos;
const float pct = localProgress.percentage < 0.0f ? 0.0f
: localProgress.percentage > 1.0f ? 1.0f
: localProgress.percentage;
pos.pctQ = static_cast<uint32_t>(pct * 1000000.0f + 0.5f);
pos.spineIndex = static_cast<uint16_t>(currentSpineIndex);
pos.pageNumber = static_cast<uint16_t>(currentPage);
pos.totalPages = static_cast<uint16_t>(totalPagesInSpine > 0 ? totalPagesInSpine : 1);
pos.paragraphIndex = currentParagraphIndex;
pos.xpath = localProgress.xpath;
progress.position = std::move(pos);
}
// Optionally include document metadata (KOReader PR #15306)
if (KOREADER_STORE.getSendMetadata()) {
// The Epub is released before the sync network calls and is only reloaded on the