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Use currentTimeMillis for updated timestamp

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Bug: 179215598
Test: atest UpdatableFontDirTest
Change-Id: Ib3a17a3616d087c2862127a301b341c52296d22f
This commit is contained in:
Seigo Nonaka
2021-03-22 13:10:24 -07:00
parent 19d042f7b9
commit 2f77207569
2 changed files with 45 additions and 35 deletions
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13
services/core/java/com/android/server/graphics/fonts/UpdatableFontDir.java
View File

@@ -41,11 +41,11 @@ import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.SecureRandom;
import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.Supplier;
/**
* Manages set of updatable font files.
@@ -109,6 +109,7 @@ final class UpdatableFontDir {
private final FsverityUtil mFsverityUtil;
private final File mConfigFile;
private final File mTmpConfigFile;
private final Supplier<Long> mCurrentTimeSupplier;
private long mLastModifiedMillis;
private int mConfigVersion = 1;
@@ -128,18 +129,20 @@ final class UpdatableFontDir {
UpdatableFontDir(File filesDir, List<File> preinstalledFontDirs, FontFileParser parser,
FsverityUtil fsverityUtil) {
this(filesDir, preinstalledFontDirs, parser, fsverityUtil, new File(CONFIG_XML_FILE));
this(filesDir, preinstalledFontDirs, parser, fsverityUtil, new File(CONFIG_XML_FILE),
() -> System.currentTimeMillis());
}
// For unit testing
UpdatableFontDir(File filesDir, List<File> preinstalledFontDirs, FontFileParser parser,
FsverityUtil fsverityUtil, File configFile) {
FsverityUtil fsverityUtil, File configFile, Supplier<Long> currentTimeSupplier) {
mFilesDir = filesDir;
mPreinstalledFontDirs = preinstalledFontDirs;
mParser = parser;
mFsverityUtil = fsverityUtil;
mConfigFile = configFile;
mTmpConfigFile = new File(configFile.getAbsoluteFile() + ".tmp");
mCurrentTimeSupplier = currentTimeSupplier;
}
/* package */ void loadFontFileMap() {
@@ -209,7 +212,7 @@ final class UpdatableFontDir {
FileUtils.deleteContents(mFilesDir);
mFontFamilyMap.clear();
mLastModifiedMillis = System.currentTimeMillis();
mLastModifiedMillis = mCurrentTimeSupplier.get();
try (FileOutputStream fos = new FileOutputStream(mConfigFile)) {
PersistentSystemFontConfig.writeToXml(fos, createPersistentConfig());
} catch (Exception e) {
@@ -245,7 +248,7 @@ final class UpdatableFontDir {
}
// Write config file.
mLastModifiedMillis = Instant.now().getEpochSecond();
mLastModifiedMillis = mCurrentTimeSupplier.get();
try (FileOutputStream fos = new FileOutputStream(mTmpConfigFile)) {
PersistentSystemFontConfig.writeToXml(fos, createPersistentConfig());
} catch (Exception e) {

67
services/tests/servicestests/src/com/android/server/graphics/fonts/UpdatableFontDirTest.java
View File

@@ -54,6 +54,7 @@ import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.Supplier;
import java.util.stream.Collectors;
@Presubmit
@@ -117,10 +118,13 @@ public final class UpdatableFontDirTest {
}
}
private static final long CURRENT_TIME = 1234567890L;
private File mCacheDir;
private File mUpdatableFontFilesDir;
private File mConfigFile;
private List<File> mPreinstalledFontDirs;
private Supplier<Long> mCurrentTimeSupplier = () -> CURRENT_TIME;
@SuppressWarnings("ResultOfMethodCallIgnored")
@Before
@@ -147,7 +151,7 @@ public final class UpdatableFontDirTest {
@Test
public void construct() throws Exception {
long expectedModifiedDate = 1234567890;
long expectedModifiedDate = CURRENT_TIME / 2;
FakeFontFileParser parser = new FakeFontFileParser();
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
PersistentSystemFontConfig.Config config = new PersistentSystemFontConfig.Config();
@@ -155,7 +159,7 @@ public final class UpdatableFontDirTest {
writeConfig(config, mConfigFile);
UpdatableFontDir dirForPreparation = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dirForPreparation.loadFontFileMap();
assertThat(dirForPreparation.getSystemFontConfig().getLastModifiedTimeMillis())
.isEqualTo(expectedModifiedDate);
@@ -168,6 +172,9 @@ public final class UpdatableFontDirTest {
+ " <font>foo.ttf</font>"
+ " <font>bar.ttf</font>"
+ "</family>")));
// Verifies that getLastModifiedTimeMillis() returns the value of currentTimeMillis.
assertThat(dirForPreparation.getSystemFontConfig().getLastModifiedTimeMillis())
.isEqualTo(CURRENT_TIME);
// Four font dirs are created.
assertThat(mUpdatableFontFilesDir.list()).hasLength(4);
assertThat(dirForPreparation.getSystemFontConfig().getLastModifiedTimeMillis())
@@ -175,7 +182,7 @@ public final class UpdatableFontDirTest {
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
assertThat(dir.getFontFileMap()).containsKey("foo.ttf");
assertThat(parser.getRevision(dir.getFontFileMap().get("foo.ttf"))).isEqualTo(3);
@@ -199,7 +206,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
assertThat(dir.getFontFileMap()).isEmpty();
assertThat(dir.getFontFamilyMap()).isEmpty();
@@ -211,7 +218,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dirForPreparation = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dirForPreparation.loadFontFileMap();
dirForPreparation.update(Arrays.asList(
newFontUpdateRequest("foo.ttf,1", GOOD_SIGNATURE),
@@ -229,7 +236,7 @@ public final class UpdatableFontDirTest {
dirForPreparation.getFontFileMap().get("foo.ttf").getAbsolutePath());
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
assertThat(dir.getFontFileMap()).isEmpty();
// All font dirs (including dir for "bar.ttf") should be deleted.
@@ -243,7 +250,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dirForPreparation = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dirForPreparation.loadFontFileMap();
dirForPreparation.update(Arrays.asList(
newFontUpdateRequest("foo.ttf,1", GOOD_SIGNATURE),
@@ -262,7 +269,7 @@ public final class UpdatableFontDirTest {
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
assertThat(dir.getFontFileMap()).isEmpty();
// All font dirs (including dir for "bar.ttf") should be deleted.
@@ -276,7 +283,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dirForPreparation = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dirForPreparation.loadFontFileMap();
dirForPreparation.update(Arrays.asList(
newFontUpdateRequest("foo.ttf,1", GOOD_SIGNATURE),
@@ -296,7 +303,7 @@ public final class UpdatableFontDirTest {
FileUtils.stringToFile(new File(mPreinstalledFontDirs.get(1), "bar.ttf"), "bar,2");
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
// For foo.ttf, preinstalled font (revision 5) should be used.
assertThat(dir.getFontFileMap()).doesNotContainKey("foo.ttf");
@@ -317,7 +324,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
new File("/dev/null"));
new File("/dev/null"), mCurrentTimeSupplier);
dir.loadFontFileMap();
assertThat(dir.getFontFileMap()).isEmpty();
assertThat(dir.getFontFamilyMap()).isEmpty();
@@ -329,7 +336,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dirForPreparation = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dirForPreparation.loadFontFileMap();
dirForPreparation.update(Arrays.asList(
newFontUpdateRequest("foo.ttf,1", GOOD_SIGNATURE),
@@ -351,7 +358,7 @@ public final class UpdatableFontDirTest {
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
// The state should be rolled back as a whole if one of the update requests fail.
assertThat(dir.getFontFileMap()).containsKey("foo.ttf");
@@ -369,7 +376,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
dir.update(Collections.singletonList(newFontUpdateRequest("test.ttf,1", GOOD_SIGNATURE)));
@@ -387,7 +394,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
dir.update(Collections.singletonList(newFontUpdateRequest("test.ttf,1", GOOD_SIGNATURE)));
@@ -406,7 +413,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
dir.update(Collections.singletonList(newFontUpdateRequest("test.ttf,2", GOOD_SIGNATURE)));
@@ -428,7 +435,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
dir.update(Collections.singletonList(newFontUpdateRequest("foo.ttf,1", GOOD_SIGNATURE)));
@@ -445,7 +452,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
dir.update(Arrays.asList(
@@ -463,7 +470,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
try {
@@ -485,7 +492,7 @@ public final class UpdatableFontDirTest {
FileUtils.stringToFile(new File(mPreinstalledFontDirs.get(0), "test.ttf"), "test.ttf,1");
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
try {
@@ -517,7 +524,7 @@ public final class UpdatableFontDirTest {
try {
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
readonlyFile);
readonlyFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
try {
@@ -551,7 +558,7 @@ public final class UpdatableFontDirTest {
public long getRevision(File file) throws IOException {
return 0;
}
}, fakeFsverityUtil, mConfigFile);
}, fakeFsverityUtil, mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
try {
@@ -580,7 +587,7 @@ public final class UpdatableFontDirTest {
public long getRevision(File file) throws IOException {
return 0;
}
}, fakeFsverityUtil, mConfigFile);
}, fakeFsverityUtil, mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
try {
@@ -617,7 +624,7 @@ public final class UpdatableFontDirTest {
FakeFontFileParser parser = new FakeFontFileParser();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
try {
@@ -637,7 +644,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
dir.update(Collections.singletonList(newFontUpdateRequest("foo.ttf,1", GOOD_SIGNATURE)));
@@ -660,7 +667,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
dir.update(Arrays.asList(
@@ -682,7 +689,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
try {
@@ -703,7 +710,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
try {
@@ -723,7 +730,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
// We assume we have monospace.
assertNamedFamilyExists(dir.getSystemFontConfig(), "monospace");
@@ -755,7 +762,7 @@ public final class UpdatableFontDirTest {
FakeFsverityUtil fakeFsverityUtil = new FakeFsverityUtil();
UpdatableFontDir dir = new UpdatableFontDir(
mUpdatableFontFilesDir, mPreinstalledFontDirs, parser, fakeFsverityUtil,
mConfigFile);
mConfigFile, mCurrentTimeSupplier);
dir.loadFontFileMap();
assertThat(dir.getSystemFontConfig().getFontFamilies()).isNotEmpty();
FontConfig.FontFamily firstFontFamily = dir.getSystemFontConfig().getFontFamilies().get(0);