OVH mutualisé serves PHP via FastCGI which strips the Authorization
header by default for security. The user's curl test of GET
/api/download-url/{ver} returned 401 even with -H "Authorization:
Bearer <key>" because $_SERVER['HTTP_AUTHORIZATION'] was empty server-side.
Fix on two layers:
1. .htaccess at root re-injects the header into the Apache env so PHP
can read it via the standard $_SERVER variable. The mod_rewrite
one-liner `RewriteRule ^ - [E=HTTP_AUTHORIZATION:%1]` is the de-
facto FastCGI workaround.
2. DownloadUrl.php now reads from any of: $_SERVER['HTTP_AUTHORIZATION'],
$_SERVER['REDIRECT_HTTP_AUTHORIZATION'] (passthrough variant),
apache_request_headers(), getallheaders(). Belt and braces — works
regardless of host config. Falls back to ?key= as before.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Three deliverables shipped together so the next deployment cycle has a
clean distribution story.
(1) Auto-update of the launcher itself
---------------------------------------
- Models: RemoteManifest gains an optional `launcher` section
(LauncherInfo: version, minRequired, download {url,size,sha256},
releaseNotesUrl). Server-side, sign-manifest.php passes it through
unchanged; admins edit versions.json with the new launcher entry +
upload PSLauncher-X.Y.Z.exe to /builds/launcher/.
- Core: ILauncherSelfUpdater compares assembly version against
manifest.launcher.version using the existing SemVer parser, and
reuses DownloadManager (Range/resume/sha256 already proven on the
game ZIPs) to download the new exe into
%LocalAppData%/PSLauncher/selfupdate/.
- New project PSLauncher.Updater (~34 MB self-contained console exe):
spawned by the main app with --target / --source / --pid / --launch.
Waits for the main process to exit (or for the file lock to release),
backs up the current exe to .bak, copies the new file in place, and
restarts. .bak survives the swap so the user can roll back manually.
- App.csproj now declares Version=0.5.0 — currently shipped baseline.
PSLauncher.App.csproj sets a fixed AssemblyVersion so reflection-based
comparison works deterministically.
- MainViewModel.PromptLauncherUpdate: dialog after CheckForUpdates if
the manifest advertises a newer launcher. Download with progress in
the existing footer, then Application.Shutdown() so the Updater can
do its job.
(2) Inno Setup installer
------------------------
installer/PSLauncher.iss + build-installer.ps1 produce a single
PSLauncher-Setup-X.Y.Z.exe (~80 MB) that installs into
Program Files\ASTERION VR\PSLauncher\, drops both PSLauncher.exe and
PSLauncher.Updater.exe side by side (the updater MUST live next to
the target), creates Start Menu + optional Desktop shortcuts, and
registers a clean uninstall entry. The user's %LocalAppData%
(license, logs, cache) is intentionally untouched on uninstall — same
license survives a reinstall.
build-installer.ps1 chains dotnet publish for both projects and ISCC
in one command. README explains the bump-version workflow.
(3) HMAC-signed download URLs
-----------------------------
- New PHP route GET /api/download-url/{version} (Authorization: Bearer
<licenseKey> or ?key=...). Validates the license, checks
download_entitlement_until >= minLicenseDate of the version, and
returns a HMAC-signed URL (path|exp|licId, hash_hmac SHA-256, valid
1 h) + sha256 + sizeBytes for verification.
- /builds/.htaccess routes every *.zip request to gate.php. gate.php
validates exp, lic, sig (constant-time hash_equals), then streams
the file with Range: support so the launcher's resume keeps working.
Audit log gets a download_url_issued entry per request.
- Client-side wired transparently: LicenseService gains
GetSignedDownloadUrlAsync(version) that GETs the endpoint with the
decrypted license key from DPAPI. MainViewModel calls it before
every download; if the endpoint returns 404/401/network-error, the
client falls back to the manifest's plain download.url (graceful
degradation for setups that haven't deployed gate.php yet).
Note on PHP streaming for 14 GB ZIPs: gate.php uses set_time_limit(0)
+ ignore_user_abort(true) + 1 MiB chunked fread with periodic flush.
Works on OVH mutualisé but holds a PHP-FPM slot for the duration. If
parallel downloads scale past a few clients, switch to
mod_xsendfile or migrate /builds/ to Cloudflare R2 with native
S3-presigned URLs and remove the gate entirely.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Symptom: "Réponse serveur non authentifiée (signature invalide)" on
license activation. Root cause: PHP \DateTimeInterface::ATOM emits the
server's local timezone offset (e.g. +02:00 on a CET host), while the
C# canonicalizer emitted +00:00 after ToUniversalTime(). Same instant,
different string, different bytes, signature mismatch.
Server (ValidateLicense.php):
- All timestamps now built with `new DateTimeZone('UTC')` and formatted
as 'Y-m-d\TH:i:s\Z' — fixed string, no offset variation.
- Reads issued_at / download_entitlement_until from MySQL as UTC; the
display is consistent with what the client sees.
Client (LicenseService.cs):
- FormatDateAtom now produces "yyyy-MM-ddTHH:mm:ssZ" with literal Z and
handles null safely (previous version would have produced "Z" alone
for a null input thanks to string + null concatenation).
Both sides therefore agree on the canonical bytes for any datetime,
including across daylight savings transitions.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
UX bonus: clicking "Reprendre" on an interrupted download skips the
release-notes confirmation dialog (the user already approved when they
first clicked Installer).
Server side
-----------
- migrations/001_init.sql: licenses, license_machines, rate_limit,
audit_log on InnoDB/utf8mb4. Foreign keys, unique on license_key, slot
uniqueness per (license_id, machine_id).
- api/lib/Db.php: thin PDO singleton (exception mode, prepared, no emul).
- api/lib/Crypto.php: Ed25519 sign/verify via libsodium (sodium_crypto_*),
HMAC-SHA-256 helper for v0.6, canonicalJson() that strips `signature`
before serializing — must match exactly the encoding done client-side
before verify.
- api/routes/ValidateLicense.php: POST /license/validate. Looks up the
key, walks the machine slot logic (insert or update last_seen),
enforces max_machines, returns a payload signed Ed25519 + status of
valid/expired/revoked/machine_limit_exceeded/invalid. Audit logs every
outcome. Rate-limit 10/min/IP via the rate_limit table.
- tools/generate-keypair.php: prints a fresh sodium keypair so the
operator drops the hex into config.php and the public_key_hex into the
launcher resource.
- tools/issue-license.php: PRSRV-XXXX-XXXX-XXXX-XXXX generator (32-char
unambiguous alphabet), inserts the license, prints the key once.
- tools/sign-manifest.php: now also signs the manifest itself with
Ed25519 after computing the per-zip sha256s.
- config.example.php: schema rewritten with sections db / hmac / ed25519
/ jwt / rate-limit. config.php remains gitignored.
Client side
-----------
- Models/License.cs: LicenseValidationRequest + LicenseValidationResponse
with CanDownload(VersionManifest) — entitlement_until vs version's
minLicenseDate. The status valid|expired|revoked|machine_limit_exceeded
flow is preserved end-to-end.
- Core/Licensing/LicenseService.cs:
* machineId = SHA-256 of HKLM/Software/Microsoft/Cryptography/MachineGuid
+ UserName (stable, no PII leak)
* online ValidateAsync calls /license/validate with launcher version
* embedded server-pubkey.txt drives Ed25519 verification of the
response (skipped gracefully if pubkey not yet provisioned)
* SaveCached / GetCached use DPAPI CurrentUser scope on the license
key; the cleartext key never touches disk
* GetCached has a 7-day offline grace window after the last successful
validation, so going offline doesn't lock the user out
- Core/Resources/server-pubkey.txt: EmbeddedResource. Default content is
a comment, which the service treats as "no pubkey configured" and
bypasses verification. Operator pastes the real hex post-deploy and
rebuilds.
- Core/PSLauncher.Core.csproj: Polly, NSec.Cryptography (Ed25519),
System.Security.Cryptography.ProtectedData (DPAPI).
- App/Views/OnboardingDialog.xaml(.cs): first-launch / "🔑 Activer"
modal. Calls LicenseService, displays status messages with red
foreground on errors and green-tinted secondary text otherwise.
- ViewModels/VersionRowViewModel.cs: new LicenseAllowsDownload property.
Install button label switches to "🔒 License insuffisante" when the
user's entitlement_until precedes the version's minLicenseDate;
CanInstall is false in that case so the click is a no-op too.
- ViewModels/MainViewModel.cs: loads the cached license at startup (no
network call), surfaces it as LicenseSummary in the top bar, exposes
ActivateLicenseCommand to (re)open the onboarding dialog. RebuildList
applies the per-version license filter so older installed versions
remain launchable but newer-than-license ones can't be downloaded.
- Views/MainWindow.xaml: top bar gains a "🔑 Activer / changer" button
next to the license summary.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Client (C# / .NET 8 / WPF, MVVM via CommunityToolkit.Mvvm):
- PSLauncher.App: WPF UI dark theme (Epic-style sidebar + hero + big play button)
with UpdateAvailableDialog rendering Markdown release notes via Markdig.Wpf.
- PSLauncher.Core: services for installation registry (scans Proserve v{X.Y.Z}/),
process launcher, manifest fetch, SHA-256 integrity, HTTP download with
progress, ZIP install via .tmp + atomic rename, update orchestrator.
- PSLauncher.Models: RemoteManifest, InstalledVersion, LocalConfig DTOs.
Server (PHP 8 for OVH mutualisé, deployed under www/PS_Launcher/):
- Front controller + routes /manifest and /releasenotes/{version}.
- Static signed-manifest workflow with tools/sign-manifest.php CLI to
recompute SHA-256 and sizeBytes after each ZIP upload.
- .htaccess: HTTPS redirect, rewrite, security headers.
- config.example.php template; real config.php is gitignored.
Cohabiting versions: each release lives in its own Proserve v{version}/ folder
under installRoot. Old versions are never deleted automatically.
Roadmap: v0.3 = HTTP Range resume + Polly retry + state.json,
v0.4 = MySQL license + Ed25519 signatures + DPAPI, v0.5 = settings/UX polish.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
