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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "cdm-test-decryptor.h"
#include "cdm-test-storage.h"
#include "cdm-test-output-protection.h"
#include <mutex>
#include <string>
#include <vector>
#include <iostream>
#include <istream>
#include <iterator>
#include <sstream>
#include <set>
#include <thread>
#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"
FakeDecryptor* FakeDecryptor::sInstance = nullptr;
class TestManager {
public:
TestManager() = default;
// Register a test with the test manager.
void BeginTest(const std::string& aTestID) {
std::lock_guard<std::mutex> lock(mMutex);
auto found = mTestIDs.find(aTestID);
if (found == mTestIDs.end()) {
mTestIDs.insert(aTestID);
} else {
Error("FAIL BeginTest test already existed: " + aTestID);
}
}
// Notify the test manager that the test is finished. If all tests are done,
// test manager will send "test-storage complete" to notify the parent that
// all tests are finished and also delete itself.
void EndTest(const std::string& aTestID) {
bool isEmpty = false;
{
std::lock_guard<std::mutex> lock(mMutex);
auto found = mTestIDs.find(aTestID);
if (found != mTestIDs.end()) {
mTestIDs.erase(aTestID);
isEmpty = mTestIDs.empty();
} else {
Error("FAIL EndTest test not existed: " + aTestID);
return;
}
}
if (isEmpty) {
Finish();
delete this;
}
}
private:
~TestManager() = default;
static void Error(const std::string& msg) { FakeDecryptor::Message(msg); }
static void Finish() { FakeDecryptor::Message("test-storage complete"); }
std::mutex mMutex;
std::set<std::string> mTestIDs;
};
FakeDecryptor::FakeDecryptor(cdm::Host_10* aHost) : mHost(aHost) {
MOZ_ASSERT(!sInstance);
sInstance = this;
}
void FakeDecryptor::Message(const std::string& aMessage) {
MOZ_ASSERT(sInstance);
const static std::string sid("fake-session-id");
sInstance->mHost->OnSessionMessage(sid.c_str(), sid.size(),
cdm::MessageType::kLicenseRequest,
aMessage.c_str(), aMessage.size());
}
std::vector<std::string> Tokenize(const std::string& aString) {
std::stringstream strstr(aString);
std::istream_iterator<std::string> it(strstr), end;
return std::vector<std::string>(it, end);
}
static const std::string TruncateRecordId = "truncate-record-id";
static const std::string TruncateRecordData = "I will soon be truncated";
template <class Continuation>
class WriteRecordSuccessTask {
public:
WriteRecordSuccessTask(std::string aId, Continuation aThen)
: mId(aId), mThen(std::move(aThen)) {}
void operator()() { ReadRecord(FakeDecryptor::sInstance->mHost, mId, mThen); }
std::string mId;
Continuation mThen;
};
class WriteRecordFailureTask {
public:
explicit WriteRecordFailureTask(const std::string& aMessage,
TestManager* aTestManager = nullptr,
const std::string& aTestID = "")
: mMessage(aMessage), mTestmanager(aTestManager), mTestID(aTestID) {}
void operator()() {
FakeDecryptor::Message(mMessage);
if (mTestmanager) {
mTestmanager->EndTest(mTestID);
}
}
private:
std::string mMessage;
TestManager* const mTestmanager;
const std::string mTestID;
};
class TestEmptyContinuation : public ReadContinuation {
public:
TestEmptyContinuation(TestManager* aTestManager, const std::string& aTestID)
: mTestmanager(aTestManager), mTestID(aTestID) {}
virtual void operator()(bool aSuccess, const uint8_t* aData,
uint32_t aDataSize) override {
if (aDataSize) {
FakeDecryptor::Message(
"FAIL TestEmptyContinuation record was not truncated");
}
mTestmanager->EndTest(mTestID);
}
private:
TestManager* const mTestmanager;
const std::string mTestID;
};
class TruncateContinuation : public ReadContinuation {
public:
TruncateContinuation(const std::string& aID, TestManager* aTestManager,
const std::string& aTestID)
: mID(aID), mTestmanager(aTestManager), mTestID(aTestID) {}
virtual void operator()(bool aSuccess, const uint8_t* aData,
uint32_t aDataSize) override {
if (std::string(reinterpret_cast<const char*>(aData), aDataSize) !=
TruncateRecordData) {
FakeDecryptor::Message(
"FAIL TruncateContinuation read data doesn't match written data");
}
auto cont = TestEmptyContinuation(mTestmanager, mTestID);
auto msg = "FAIL in TruncateContinuation write.";
WriteRecord(FakeDecryptor::sInstance->mHost, mID, nullptr, 0,
WriteRecordSuccessTask<TestEmptyContinuation>(mID, cont),
WriteRecordFailureTask(msg, mTestmanager, mTestID));
}
private:
const std::string mID;
TestManager* const mTestmanager;
const std::string mTestID;
};
class VerifyAndFinishContinuation : public ReadContinuation {
public:
explicit VerifyAndFinishContinuation(std::string aValue,
TestManager* aTestManager,
const std::string& aTestID)
: mValue(aValue), mTestmanager(aTestManager), mTestID(aTestID) {}
virtual void operator()(bool aSuccess, const uint8_t* aData,
uint32_t aDataSize) override {
if (std::string(reinterpret_cast<const char*>(aData), aDataSize) !=
mValue) {
FakeDecryptor::Message(
"FAIL VerifyAndFinishContinuation read data doesn't match expected "
"data");
}
mTestmanager->EndTest(mTestID);
}
private:
std::string mValue;
TestManager* const mTestmanager;
const std::string mTestID;
};
class VerifyAndOverwriteContinuation : public ReadContinuation {
public:
VerifyAndOverwriteContinuation(std::string aId, std::string aValue,
std::string aOverwrite,
TestManager* aTestManager,
const std::string& aTestID)
: mId(aId),
mValue(aValue),
mOverwrite(aOverwrite),
mTestmanager(aTestManager),
mTestID(aTestID) {}
virtual void operator()(bool aSuccess, const uint8_t* aData,
uint32_t aDataSize) override {
if (std::string(reinterpret_cast<const char*>(aData), aDataSize) !=
mValue) {
FakeDecryptor::Message(
"FAIL VerifyAndOverwriteContinuation read data doesn't match "
"expected data");
}
auto cont = VerifyAndFinishContinuation(mOverwrite, mTestmanager, mTestID);
auto msg = "FAIL in VerifyAndOverwriteContinuation write.";
WriteRecord(FakeDecryptor::sInstance->mHost, mId, mOverwrite,
WriteRecordSuccessTask<VerifyAndFinishContinuation>(mId, cont),
WriteRecordFailureTask(msg, mTestmanager, mTestID));
}
private:
std::string mId;
std::string mValue;
std::string mOverwrite;
TestManager* const mTestmanager;
const std::string mTestID;
};
static const std::string OpenAgainRecordId = "open-again-record-id";
class OpenedSecondTimeContinuation : public OpenContinuation {
public:
explicit OpenedSecondTimeContinuation(TestManager* aTestManager,
const std::string& aTestID)
: mTestmanager(aTestManager), mTestID(aTestID) {}
void operator()(bool aSuccess) override {
if (!aSuccess) {
FakeDecryptor::Message(
"FAIL OpenSecondTimeContinuation should not be able to re-open "
"record.");
}
// Succeeded, open should have failed.
mTestmanager->EndTest(mTestID);
}
private:
TestManager* const mTestmanager;
const std::string mTestID;
};
class OpenedFirstTimeContinuation : public OpenContinuation {
public:
OpenedFirstTimeContinuation(const std::string& aID, TestManager* aTestManager,
const std::string& aTestID)
: mID(aID), mTestmanager(aTestManager), mTestID(aTestID) {}
void operator()(bool aSuccess) override {
if (!aSuccess) {
FakeDecryptor::Message(
"FAIL OpenAgainContinuation to open record initially.");
mTestmanager->EndTest(mTestID);
return;
}
auto cont = OpenedSecondTimeContinuation(mTestmanager, mTestID);
OpenRecord(FakeDecryptor::sInstance->mHost, mID, cont);
}
private:
const std::string mID;
TestManager* const mTestmanager;
const std::string mTestID;
};
static void DoTestStorage(const std::string& aPrefix,
TestManager* aTestManager) {
MOZ_ASSERT(FakeDecryptor::sInstance->mHost,
"FakeDecryptor::sInstance->mHost should not be null");
// Basic I/O tests. We run three cases concurrently. The tests, like
// CDMStorage run asynchronously. When they've all passed, we send
// a message back to the parent process, or a failure message if not.
// Test 1: Basic I/O test, and test that writing 0 bytes in a record
// deletes record.
//
// Write data to truncate record, then
// read data, verify that we read what we wrote, then
// write 0 bytes to truncate record, then
// read data, verify that 0 bytes was read
const std::string id1 = aPrefix + TruncateRecordId;
const std::string testID1 = aPrefix + "write-test-1";
aTestManager->BeginTest(testID1);
auto cont1 = TruncateContinuation(id1, aTestManager, testID1);
auto msg1 = "FAIL in TestStorage writing TruncateRecord.";
WriteRecord(FakeDecryptor::sInstance->mHost, id1, TruncateRecordData,
WriteRecordSuccessTask<TruncateContinuation>(id1, cont1),
WriteRecordFailureTask(msg1, aTestManager, testID1));
// Test 2: Test that overwriting a record with a shorter record truncates
// the record to the shorter record.
//
// Write record, then
// read and verify record, then
// write a shorter record to same record.
// read and verify
std::string id2 = aPrefix + "record1";
std::string record1 = "This is the first write to a record.";
std::string overwrite = "A shorter record";
const std::string testID2 = aPrefix + "write-test-2";
aTestManager->BeginTest(testID2);
auto task2 = VerifyAndOverwriteContinuation(id2, record1, overwrite,
aTestManager, testID2);
auto msg2 = "FAIL in TestStorage writing record1.";
WriteRecord(
FakeDecryptor::sInstance->mHost, id2, record1,
WriteRecordSuccessTask<VerifyAndOverwriteContinuation>(id2, task2),
WriteRecordFailureTask(msg2, aTestManager, testID2));
// Test 3: Test that opening a record while it's already open fails.
//
// Open record1, then
// open record1, should fail.
// close record1
const std::string id3 = aPrefix + OpenAgainRecordId;
const std::string testID3 = aPrefix + "open-test-1";
aTestManager->BeginTest(testID3);
auto task3 = OpenedFirstTimeContinuation(id3, aTestManager, testID3);
OpenRecord(FakeDecryptor::sInstance->mHost, id3, task3);
}
void FakeDecryptor::TestStorage() {
auto* testManager = new TestManager();
// Main thread tests.
DoTestStorage("mt1-", testManager);
DoTestStorage("mt2-", testManager);
// Note: Once all tests finish, TestManager will dispatch "test-pass" message,
// which ends the test for the parent.
}
class ReportWritten {
public:
ReportWritten(const std::string& aRecordId, const std::string& aValue)
: mRecordId(aRecordId), mValue(aValue) {}
void operator()() {
FakeDecryptor::Message("stored " + mRecordId + " " + mValue);
}
const std::string mRecordId;
const std::string mValue;
};
class ReportReadStatusContinuation : public ReadContinuation {
public:
explicit ReportReadStatusContinuation(const std::string& aRecordId)
: mRecordId(aRecordId) {}
void operator()(bool aSuccess, const uint8_t* aData,
uint32_t aDataSize) override {
if (!aSuccess) {
FakeDecryptor::Message("retrieve " + mRecordId + " failed");
} else {
std::stringstream ss;
ss << aDataSize;
std::string len;
ss >> len;
FakeDecryptor::Message("retrieve " + mRecordId + " succeeded (length " +
len + " bytes)");
}
}
std::string mRecordId;
};
class ReportReadRecordContinuation : public ReadContinuation {
public:
explicit ReportReadRecordContinuation(const std::string& aRecordId)
: mRecordId(aRecordId) {}
void operator()(bool aSuccess, const uint8_t* aData,
uint32_t aDataSize) override {
if (!aSuccess) {
FakeDecryptor::Message("retrieved " + mRecordId + " failed");
} else {
FakeDecryptor::Message(
"retrieved " + mRecordId + " " +
std::string(reinterpret_cast<const char*>(aData), aDataSize));
}
}
std::string mRecordId;
};
enum ShutdownMode { ShutdownNormal, ShutdownTimeout, ShutdownStoreToken };
static ShutdownMode sShutdownMode = ShutdownNormal;
static std::string sShutdownToken;
void FakeDecryptor::UpdateSession(uint32_t aPromiseId, const char* aSessionId,
uint32_t aSessionIdLength,
const uint8_t* aResponse,
uint32_t aResponseSize) {
MOZ_ASSERT(FakeDecryptor::sInstance->mHost,
"FakeDecryptor::sInstance->mHost should not be null");
std::string response((const char*)aResponse,
(const char*)(aResponse) + aResponseSize);
std::vector<std::string> tokens = Tokenize(response);
const std::string& task = tokens[0];
if (task == "test-storage") {
TestStorage();
} else if (task == "store") {
// send "stored record" message on complete.
const std::string& id = tokens[1];
const std::string& value = tokens[2];
WriteRecord(FakeDecryptor::sInstance->mHost, id, value,
ReportWritten(id, value),
WriteRecordFailureTask("FAIL in writing record."));
} else if (task == "retrieve") {
const std::string& id = tokens[1];
ReadRecord(FakeDecryptor::sInstance->mHost, id,
ReportReadStatusContinuation(id));
} else if (task == "shutdown-mode") {
const std::string& mode = tokens[1];
if (mode == "timeout") {
sShutdownMode = ShutdownTimeout;
} else if (mode == "token") {
sShutdownMode = ShutdownStoreToken;
sShutdownToken = tokens[2];
Message("shutdown-token received " + sShutdownToken);
}
} else if (task == "retrieve-shutdown-token") {
ReadRecord(FakeDecryptor::sInstance->mHost, "shutdown-token",
ReportReadRecordContinuation("shutdown-token"));
} else if (task == "test-op-apis") {
mozilla::cdmtest::TestOuputProtectionAPIs();
}
}