Re-add dialer lookup.

Author: Xiao-Long Chen <chenxiaolong@cxl.epac.to>
Date:   Mon Sep 12 09:34:02 2016 +0200

    Re-add dialer lookup.

    BUGBASH-612: do not send phone numbers to non-ssl sites for reverse/forward/people lookups

    Change-Id: I677460ad5767b8698ee24d6d43ff159aee55387a

Author: Joey <joey@lineageos.org>
Date:   Wed Mar 28 21:11:16 2018 +0200

    Dialer: comply with EU's GDPR

    Disable lookup by default and add a disclaimer for the feature

    Change-Id: If7a181952304dbaee736762bdfd5819eddc5f89b
    Signed-off-by: Joey <joey@lineageos.org>

Change-Id: I4ff90a678618fa8c7b5970dff3dd246b0c87135c

2 files changed, 150 insertions, 0 deletions

diff --git a/java/com/android/dialer/lookup/dastelefonbuch/TelefonbuchApi.java b/java/com/android/dialer/lookup/dastelefonbuch/TelefonbuchApi.java
new file mode 100644
index 000000000..ab1eb4085
--- /dev/null
+++ b/java/com/android/dialer/lookup/dastelefonbuch/TelefonbuchApi.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2014 Danny Baumann <dannybaumann@web.de>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.dialer.lookup.dastelefonbuch;
+
+import android.content.Context;
+import android.net.Uri;
+
+import com.android.dialer.lookup.LookupUtils;
+
+import java.io.IOException;
+
+public class TelefonbuchApi {
+  private static final String TAG = TelefonbuchApi.class.getSimpleName();
+
+  private static final String REVERSE_LOOKUP_URL =
+      "https://www.dastelefonbuch.de/?s=a20000" +
+      "&cmd=search&sort_ok=0&sp=55&vert_ok=0&aktion=23";
+
+  private static String NAME_REGEX ="<a id=\"name0.*?>\\s*\n?(.*?)\n?\\s*</a>";
+  private static String NUMBER_REGEX = "<span\\s+class=\"ico fon.*>.*<span>(.*?)</span><br/>";
+  private static String ADDRESS_REGEX = "<address.*?>\n?(.*?)</address>";
+
+  private TelefonbuchApi() {
+  }
+
+  public static ContactInfo reverseLookup(Context context, String number) throws IOException {
+    Uri uri = Uri.parse(REVERSE_LOOKUP_URL)
+        .buildUpon()
+        .appendQueryParameter("kw", number)
+        .build();
+    // Cut out everything we're not interested in (scripts etc.) to
+    // speed up the subsequent matching.
+    String output = LookupUtils.firstRegexResult(
+        LookupUtils.httpGet(uri.toString(), null), ": Treffer(.*)Ende Treffer", true);
+
+    String name = parseValue(output, NAME_REGEX, true, false);
+    if (name == null) {
+      return null;
+    }
+
+    String phoneNumber = parseValue(output, NUMBER_REGEX, false, true);
+    String address = parseValue(output, ADDRESS_REGEX, true, true);
+
+    ContactInfo info = new ContactInfo();
+    info.name = name;
+    info.address = address;
+    info.formattedNumber = phoneNumber != null ? phoneNumber : number;
+    info.website = uri.toString();
+
+    return info;
+  }
+
+  private static String parseValue(String output, String regex,
+      boolean dotall, boolean removeSpans) {
+    String result = LookupUtils.firstRegexResult(output, regex, dotall);
+    if (result != null && removeSpans) {
+      // completely remove hidden spans (including contents) ...
+      result = result.replaceAll("<span class=\"hide\".*?\\/span>", "");
+      // ... and remove span wrappers around data content
+      result = result.replaceAll("</?span.*?>", "");
+    }
+    return LookupUtils.fromHtml(result);
+  }
+
+  public static class ContactInfo {
+    String name;
+    String address;
+    String formattedNumber;
+    String website;
+  }
+}
diff --git a/java/com/android/dialer/lookup/dastelefonbuch/TelefonbuchReverseLookup.java b/java/com/android/dialer/lookup/dastelefonbuch/TelefonbuchReverseLookup.java
new file mode 100644
index 000000000..cd89499d1
--- /dev/null
+++ b/java/com/android/dialer/lookup/dastelefonbuch/TelefonbuchReverseLookup.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2014 Danny Baumann <dannybaumann@web.de>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.dialer.lookup.dastelefonbuch;
+
+import android.content.Context;
+import android.net.Uri;
+import android.provider.ContactsContract.CommonDataKinds.Phone;
+import android.provider.ContactsContract.CommonDataKinds.StructuredPostal;
+import android.provider.ContactsContract.CommonDataKinds.Website;
+
+import com.android.dialer.phonenumbercache.ContactInfo;
+import com.android.dialer.lookup.ContactBuilder;
+import com.android.dialer.lookup.ReverseLookup;
+
+import java.io.IOException;
+
+public class TelefonbuchReverseLookup extends ReverseLookup {
+  private static final String TAG = TelefonbuchReverseLookup.class.getSimpleName();
+
+  public TelefonbuchReverseLookup(Context context) {
+  }
+
+  /**
+   * Perform phone number lookup.
+   *
+   * @param context The application context
+   * @param normalizedNumber The normalized phone number
+   * @param formattedNumber The formatted phone number
+   * @return The phone number info object
+   */
+  @Override
+  public ContactInfo lookupNumber(Context context,
+      String normalizedNumber, String formattedNumber) throws IOException {
+    if (normalizedNumber.startsWith("+") && !normalizedNumber.startsWith("+49")) {
+      // Das Telefonbuch only supports German numbers
+      return null;
+    }
+
+    TelefonbuchApi.ContactInfo info = TelefonbuchApi.reverseLookup(context, normalizedNumber);
+    if (info == null) {
+      return null;
+    }
+
+    return ContactBuilder.forReverseLookup(normalizedNumber, formattedNumber)
+        .setName(ContactBuilder.Name.createDisplayName(info.name))
+        .addPhoneNumber(ContactBuilder.PhoneNumber.createMainNumber(info.formattedNumber))
+        .addWebsite(ContactBuilder.WebsiteUrl.createProfile(info.website))
+        .addAddress(ContactBuilder.Address.createFormattedHome(info.address))
+        .build();
+  }
+}