58 lines
2.2 KiB
Java
58 lines
2.2 KiB
Java
package androidx.core.content;
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import android.content.Context;
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import android.os.Binder;
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import android.os.Process;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.RestrictTo;
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import androidx.core.app.AppOpsManagerCompat;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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public final class PermissionChecker {
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public static final int PERMISSION_DENIED = -1;
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public static final int PERMISSION_DENIED_APP_OP = -2;
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public static final int PERMISSION_GRANTED = 0;
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@Retention(RetentionPolicy.SOURCE)
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public @interface PermissionResult {
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}
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private PermissionChecker() {
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}
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public static int checkCallingOrSelfPermission(@NonNull Context context, @NonNull String str) {
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return checkPermission(context, str, Binder.getCallingPid(), Binder.getCallingUid(), Binder.getCallingPid() == Process.myPid() ? context.getPackageName() : null);
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}
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public static int checkCallingPermission(@NonNull Context context, @NonNull String str, @Nullable String str2) {
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if (Binder.getCallingPid() == Process.myPid()) {
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return -1;
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}
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return checkPermission(context, str, Binder.getCallingPid(), Binder.getCallingUid(), str2);
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}
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public static int checkPermission(@NonNull Context context, @NonNull String str, int i, int i2, @Nullable String str2) {
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if (context.checkPermission(str, i, i2) == -1) {
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return -1;
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}
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String permissionToOp = AppOpsManagerCompat.permissionToOp(str);
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if (permissionToOp == null) {
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return 0;
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}
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if (str2 == null) {
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String[] packagesForUid = context.getPackageManager().getPackagesForUid(i2);
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if (packagesForUid == null || packagesForUid.length <= 0) {
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return -1;
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}
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str2 = packagesForUid[0];
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}
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return AppOpsManagerCompat.noteProxyOpNoThrow(context, permissionToOp, str2) != 0 ? -2 : 0;
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}
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public static int checkSelfPermission(@NonNull Context context, @NonNull String str) {
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return checkPermission(context, str, Process.myPid(), Process.myUid(), context.getPackageName());
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}
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}
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