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Commit e45c05fb authored by Amith Yamasani's avatar Amith Yamasani Committed by Automerger Merge Worker
Browse files

Merge "Sanitize Uri.toSafeString() some more." into tm-dev am: b6da699d am: 5e40d2ef 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18282431



Change-Id: Ia84f17898ecb1ad28e17da6735975118973c53b9
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents acfa1e36 5e40d2ef

core/java/android/net/Uri.java

+18 −21
Original line number Diff line number Diff line
@@ -390,7 +390,8 @@ public abstract class Uri implements Parcelable, Comparable<Uri> { 
     * Return a string representation of this URI that has common forms of PII redacted,

     * making it safer to use for logging purposes.  For example, {@code tel:800-466-4411} is

     * returned as {@code tel:xxx-xxx-xxxx} and {@code http://example.com/path/to/item/} is

     * returned as {@code http://example.com/...}.

     * returned as {@code http://example.com/...}. For all other uri schemes, only the scheme,

     * host and port are returned.

     * @return the common forms PII redacted string of this URI

     * @hide

     */
@@ -398,13 +399,14 @@ public abstract class Uri implements Parcelable, Comparable<Uri> { 
    public @NonNull String toSafeString() {

        String scheme = getScheme();

        String ssp = getSchemeSpecificPart();

        StringBuilder builder = new StringBuilder(64);



        if (scheme != null) {

            builder.append(scheme);

            builder.append(":");

            if (scheme.equalsIgnoreCase("tel") || scheme.equalsIgnoreCase("sip")

                    || scheme.equalsIgnoreCase("sms") || scheme.equalsIgnoreCase("smsto")

                    || scheme.equalsIgnoreCase("mailto") || scheme.equalsIgnoreCase("nfc")) {

                StringBuilder builder = new StringBuilder(64);

                builder.append(scheme);

                builder.append(':');

                if (ssp != null) {

                    for (int i=0; i<ssp.length(); i++) {

                        char c = ssp.charAt(i);
@@ -415,24 +417,19 @@ public abstract class Uri implements Parcelable, Comparable<Uri> { 
                        }

                    }

                }

                return builder.toString();

            } else if (scheme.equalsIgnoreCase("http") || scheme.equalsIgnoreCase("https")

                    || scheme.equalsIgnoreCase("ftp") || scheme.equalsIgnoreCase("rtsp")) {

                ssp = "//" + ((getHost() != null) ? getHost() : "")

                        + ((getPort() != -1) ? (":" + getPort()) : "")

                        + "/...";

            }

        }

        // Not a sensitive scheme, but let's still be conservative about

        // the data we include -- only the ssp, not the query params or

            } else {

                // For other schemes, let's be conservative about

                // the data we include -- only the host and port, not the query params, path or

                // fragment, because those can often have sensitive info.

        StringBuilder builder = new StringBuilder(64);

        if (scheme != null) {

            builder.append(scheme);

            builder.append(':');

                final String host = getHost();

                final int port = getPort();

                final String path = getPath();

                final String authority = getAuthority();

                if (authority != null) builder.append("//");

                if (host != null) builder.append(host);

                if (port != -1) builder.append(":").append(port);

                if (authority != null || path != null) builder.append("/...");

            }

        if (ssp != null) {

            builder.append(ssp);

        }

        return builder.toString();

    }

core/tests/coretests/src/android/net/UriTest.java

+6 −2
Original line number Diff line number Diff line
@@ -989,10 +989,14 @@ public class UriTest extends TestCase { 
        checkToSafeString("ftp://ftp.android.com:2121/...",

                "ftp://root:love@ftp.android.com:2121/");



        checkToSafeString("unsupported://ajkakjah/askdha/secret?secret",

        checkToSafeString("unsupported://ajkakjah/...",

                "unsupported://ajkakjah/askdha/secret?secret");

        checkToSafeString("unsupported:ajkakjah/askdha/secret?secret",

        checkToSafeString("unsupported:",

                "unsupported:ajkakjah/askdha/secret?secret");

        checkToSafeString("unsupported:/...",

                "unsupported:/ajkakjah/askdha/secret?secret");

        checkToSafeString("file:///...",

                "file:///path/to/secret.doc");

    }



    private void checkToSafeString(String expectedSafeString, String original) {