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Changed: Move termux apps properties file list to TermuxConstants and do not follow symlinks

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agnostic-apollo
2021-10-08 16:32:27 +05:00
parent 9259ef0be1
commit 009c128052
3 changed files with 80 additions and 51 deletions
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75
termux-shared/src/main/java/com/termux/shared/settings/properties/TermuxPropertyConstants.java
View File

@@ -1,8 +1,8 @@
package com.termux.shared.settings.properties;
import androidx.annotation.NonNull;
import com.google.common.collect.ImmutableBiMap;
import com.termux.shared.file.FileUtils;
import com.termux.shared.file.filesystem.FileType;
import com.termux.shared.termux.TermuxConstants;
import com.termux.shared.logger.Logger;
import com.termux.terminal.TerminalEmulator;
@@ -11,6 +11,7 @@ import com.termux.view.TerminalView;
import java.io.File;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/*
@@ -81,6 +82,8 @@ import java.util.Set;
*/
public final class TermuxPropertyConstants {
private static final String LOG_TAG = "TermuxPropertyConstants";
/* boolean */
/** Defines the key for whether hardware keyboard shortcuts are enabled. */
@@ -413,50 +416,54 @@ public final class TermuxPropertyConstants {
/** Returns the first {@link File} found at
* {@link TermuxConstants#TERMUX_PROPERTIES_PRIMARY_FILE_PATH} or
* {@link TermuxConstants#TERMUX_PROPERTIES_SECONDARY_FILE_PATH}
* from which termux properties can be loaded.
* If the {@link File} found is not a regular file or is not readable then null is returned.
/** Returns the first {@link File} found in
* {@link TermuxConstants#TERMUX_PROPERTIES_FILE_PATHS_LIST} via a call to
* {@link #getPropertiesFile(List)}.
*
* @return Returns the {@link File} object for termux properties.
* @return Returns the {@link File} object for Termux app properties.
*/
public static File getTermuxPropertiesFile() {
return getPropertiesFile(new String[]{
TermuxConstants.TERMUX_PROPERTIES_PRIMARY_FILE_PATH,
TermuxConstants.TERMUX_PROPERTIES_SECONDARY_FILE_PATH
});
return getPropertiesFile(TermuxConstants.TERMUX_PROPERTIES_FILE_PATHS_LIST);
}
/** Returns the first {@link File} found at
* {@link TermuxConstants#TERMUX_FLOAT_PROPERTIES_PRIMARY_FILE_PATH} or
* {@link TermuxConstants#TERMUX_FLOAT_PROPERTIES_SECONDARY_FILE_PATH}
* from which termux properties can be loaded.
* If the {@link File} found is not a regular file or is not readable then null is returned.
/** Returns the first {@link File} found in
* {@link TermuxConstants#TERMUX_FLOAT_PROPERTIES_FILE_PATHS_LIST} via a call to
* {@link #getPropertiesFile(List)}.
*
* @return Returns the {@link File} object for termux properties.
* @return Returns the {@link File} object for Termux:Float app properties.
*/
public static File getTermuxFloatPropertiesFile() {
return getPropertiesFile(new String[]{
TermuxConstants.TERMUX_FLOAT_PROPERTIES_PRIMARY_FILE_PATH,
TermuxConstants.TERMUX_FLOAT_PROPERTIES_SECONDARY_FILE_PATH
});
return getPropertiesFile(TermuxConstants.TERMUX_FLOAT_PROPERTIES_FILE_PATHS_LIST);
}
public static File getPropertiesFile(@NonNull String[] possiblePropertiesFileLocations) {
File propertiesFile = new File(possiblePropertiesFileLocations[0]);
int i = 0;
while (!propertiesFile.exists() && i < possiblePropertiesFileLocations.length) {
propertiesFile = new File(possiblePropertiesFileLocations[i]);
i += 1;
/** Returns the first {@link File} found in
* {@code propertiesFilePaths} from which app properties can be loaded. If the {@link File} found
* is not a regular file or is not readable, then {@code null} is returned. Symlinks **will not**
* be followed for potential security reasons.
*
* @return Returns the {@link File} object for Termux:Float app properties.
*/
public static File getPropertiesFile(List<String> propertiesFilePaths) {
if (propertiesFilePaths == null || propertiesFilePaths.size() == 0)
return null;
for(String propertiesFilePath : propertiesFilePaths) {
File propertiesFile = new File(propertiesFilePath);
// Symlinks **will not** be followed.
FileType fileType = FileUtils.getFileType(propertiesFilePath, false);
if (fileType == FileType.REGULAR) {
if (propertiesFile.canRead())
return propertiesFile;
else
Logger.logWarn(LOG_TAG, "Ignoring properties file at \"" + propertiesFilePath + "\" since it is not readable");
} else if (fileType != FileType.NO_EXIST) {
Logger.logWarn(LOG_TAG, "Ignoring properties file at \"" + propertiesFilePath + "\" of type: \"" + fileType.getName() + "\"");
}
}
if (propertiesFile.isFile() && propertiesFile.canRead()) {
return propertiesFile;
} else {
Logger.logDebug("No readable properties file found at: " + Arrays.toString(possiblePropertiesFileLocations));
return null;
}
Logger.logDebug(LOG_TAG, "No readable properties file found at: " + propertiesFilePaths);
return null;
}
}

40
termux-shared/src/main/java/com/termux/shared/termux/TermuxConstants.java
View File

@@ -12,7 +12,7 @@ import java.util.IllegalFormatException;
import java.util.List;
/*
* Version: v0.32.0
* Version: v0.33.0
*
* Changelog
*
@@ -211,6 +211,9 @@ import java.util.List;
* - 0.32.0 (2021-09-23)
* - Added `TERMUX_API.TERMUX_API_ACTIVITY_NAME`, `TERMUX_TASKER.TERMUX_TASKER_ACTIVITY_NAME`
* and `TERMUX_WIDGET.TERMUX_WIDGET_ACTIVITY_NAME`.
*
* - 0.33.0 (2021-10-08)
* - Added `TERMUX_PROPERTIES_FILE_PATHS_LIST` and `TERMUX_FLOAT_PROPERTIES_FILE_PATHS_LIST`.
*/
/**
@@ -653,27 +656,46 @@ public final class TermuxConstants {
public static final String TERMUX_WIDGET_DEFAULT_PREFERENCES_FILE_BASENAME_WITHOUT_EXTENSION = TERMUX_WIDGET_PACKAGE_NAME + "_preferences"; // Default: "com.termux.widget_preferences"
/** Termux app termux.properties primary file path */
/** Termux app properties primary file path */
public static final String TERMUX_PROPERTIES_PRIMARY_FILE_PATH = TERMUX_DATA_HOME_DIR_PATH + "/termux.properties"; // Default: "/data/data/com.termux/files/home/.termux/termux.properties"
/** Termux app termux.properties primary file */
/** Termux app properties primary file */
public static final File TERMUX_PROPERTIES_PRIMARY_FILE = new File(TERMUX_PROPERTIES_PRIMARY_FILE_PATH);
/** Termux app termux.properties secondary file path */
/** Termux app properties secondary file path */
public static final String TERMUX_PROPERTIES_SECONDARY_FILE_PATH = TERMUX_CONFIG_HOME_DIR_PATH + "/termux.properties"; // Default: "/data/data/com.termux/files/home/.config/termux/termux.properties"
/** Termux app termux.properties secondary file */
/** Termux app properties secondary file */
public static final File TERMUX_PROPERTIES_SECONDARY_FILE = new File(TERMUX_PROPERTIES_SECONDARY_FILE_PATH);
/** Termux app properties file paths list. **DO NOT** allow these files to be modified by
* {@link android.content.ContentProvider} exposed to external apps, since they may silently
* modify the values for security properties like {@link #PROP_ALLOW_EXTERNAL_APPS} set by users
* without their explicit consent. */
public static final List<String> TERMUX_PROPERTIES_FILE_PATHS_LIST = Arrays.asList(
TERMUX_PROPERTIES_PRIMARY_FILE_PATH,
TERMUX_PROPERTIES_SECONDARY_FILE_PATH);
/** Termux:Float app termux.properties primary file path */
/** Termux:Float app properties primary file path */
public static final String TERMUX_FLOAT_PROPERTIES_PRIMARY_FILE_PATH = TERMUX_DATA_HOME_DIR_PATH + "/termux.float.properties"; // Default: "/data/data/com.termux/files/home/.termux/termux.float.properties"
/** Termux:Float app termux.properties primary file */
/** Termux:Float app properties primary file */
public static final File TERMUX_FLOAT_PROPERTIES_PRIMARY_FILE = new File(TERMUX_FLOAT_PROPERTIES_PRIMARY_FILE_PATH);
/** Termux:Float app termux.properties secondary file path */
/** Termux:Float app properties secondary file path */
public static final String TERMUX_FLOAT_PROPERTIES_SECONDARY_FILE_PATH = TERMUX_CONFIG_HOME_DIR_PATH + "/termux.float.properties"; // Default: "/data/data/com.termux/files/home/.config/termux/termux.float.properties"
/** Termux:Float app termux.properties secondary file */
/** Termux:Float app properties secondary file */
public static final File TERMUX_FLOAT_PROPERTIES_SECONDARY_FILE = new File(TERMUX_FLOAT_PROPERTIES_SECONDARY_FILE_PATH);
/** Termux:Float app properties file paths list. **DO NOT** allow these files to be modified by
* {@link android.content.ContentProvider} exposed to external apps, since they may silently
* modify the values for security properties like {@link #PROP_ALLOW_EXTERNAL_APPS} set by users
* without their explicit consent. */
public static final List<String> TERMUX_FLOAT_PROPERTIES_FILE_PATHS_LIST = Arrays.asList(
TERMUX_FLOAT_PROPERTIES_PRIMARY_FILE_PATH,
TERMUX_FLOAT_PROPERTIES_SECONDARY_FILE_PATH);
/** Termux app and Termux:Styling colors.properties file path */
public static final String TERMUX_COLOR_PROPERTIES_FILE_PATH = TERMUX_DATA_HOME_DIR_PATH + "/colors.properties"; // Default: "/data/data/com.termux/files/home/.termux/colors.properties"