static MediaKeySystemStatus
EnsureMinCDMVersion(mozIGeckoMediaPluginService* aGMPService,
const nsAString& aKeySystem,
int32_t aMinCdmVersion,
nsACString& aOutMessage,
nsACString& aOutCdmVersion)
{
nsTArray<nsCString> tags;
tags.AppendElement(NS_ConvertUTF16toUTF8(aKeySystem));
bool hasPlugin;
nsAutoCString versionStr;
if (NS_FAILED(aGMPService->GetPluginVersionForAPI(NS_LITERAL_CSTRING(GMP_API_DECRYPTOR),
&tags,
&hasPlugin,
versionStr))) {
aOutMessage = NS_LITERAL_CSTRING("GetPluginVersionForAPI failed");
return MediaKeySystemStatus::Error;
}
aOutCdmVersion = versionStr;
if (!hasPlugin) {
aOutMessage = NS_LITERAL_CSTRING("CDM is not installed");
return MediaKeySystemStatus::Cdm_not_installed;
}
#ifdef XP_WIN
if (aKeySystem.EqualsLiteral("com.adobe.primetime")) {
// Verify that anti-virus hasn't "helpfully" deleted the Adobe GMP DLL,
// as we suspect may happen (Bug 1160382).
bool somethingMissing = false;
if (!AdobePluginDLLExists(versionStr)) {
aOutMessage = NS_LITERAL_CSTRING("Adobe DLL was expected to be on disk but was not");
somethingMissing = true;
}
if (!AdobePluginVoucherExists(versionStr)) {
aOutMessage = NS_LITERAL_CSTRING("Adobe plugin voucher was expected to be on disk but was not");
somethingMissing = true;
}
if (somethingMissing) {
NS_WARNING("Adobe EME plugin or voucher disappeared from disk!");
// Reset the prefs that Firefox's GMP downloader sets, so that
// Firefox will try to download the plugin next time the updater runs.
Preferences::ClearUser("media.gmp-eme-adobe.lastUpdate");
Preferences::ClearUser("media.gmp-eme-adobe.version");
return MediaKeySystemStatus::Cdm_not_installed;
}
}
#endif
nsresult rv;
int32_t version = versionStr.ToInteger(&rv);
if (aMinCdmVersion != NO_CDM_VERSION &&
(NS_FAILED(rv) || version < 0 || aMinCdmVersion > version)) {
aOutMessage = NS_LITERAL_CSTRING("Installed CDM version insufficient");
return MediaKeySystemStatus::Cdm_insufficient_version;
}
return MediaKeySystemStatus::Available;
}
/* static */ bool
MediaKeySystemAccess::IsGMPPresentOnDisk(const nsAString& aKeySystem,
const nsACString& aVersion,
nsACString& aOutMessage)
{
MOZ_ASSERT(NS_IsMainThread());
if (XRE_GetProcessType() != GeckoProcessType_Default) {
// We need to be able to access the filesystem, so call this in the
// main process via ContentChild.
ContentChild* contentChild = ContentChild::GetSingleton();
if (NS_WARN_IF(!contentChild)) {
return false;
}
nsCString message;
bool result = false;
bool ok = contentChild->SendIsGMPPresentOnDisk(nsString(aKeySystem), nsCString(aVersion),
&result, &message);
aOutMessage = message;
return ok && result;
}
bool isPresent = true;
#if XP_WIN
if (aKeySystem.EqualsLiteral("com.adobe.primetime")) {
if (!AdobePluginDLLExists(aVersion)) {
NS_WARNING("Adobe EME plugin disappeared from disk!");
aOutMessage = NS_LITERAL_CSTRING("Adobe DLL was expected to be on disk but was not");
isPresent = false;
}
if (!AdobePluginVoucherExists(aVersion)) {
NS_WARNING("Adobe EME voucher disappeared from disk!");
aOutMessage = NS_LITERAL_CSTRING("Adobe plugin voucher was expected to be on disk but was not");
isPresent = false;
}
if (!isPresent) {
// Reset the prefs that Firefox's GMP downloader sets, so that
// Firefox will try to download the plugin next time the updater runs.
Preferences::ClearUser("media.gmp-eme-adobe.lastUpdate");
Preferences::ClearUser("media.gmp-eme-adobe.version");
} else if (!EMEVoucherFileExists()) {
// Gecko doesn't have a voucher file for the plugin-container.
// Adobe EME isn't going to work, so don't advertise that it will.
aOutMessage = NS_LITERAL_CSTRING("Plugin-container voucher not present");
isPresent = false;
}
}
#endif
return isPresent;
}