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

3 files changed, 225 insertions, 0 deletions

diff --git a/java/com/android/dialer/lookup/auskunft/AuskunftApi.java b/java/com/android/dialer/lookup/auskunft/AuskunftApi.java
new file mode 100644
index 000000000..5b6b2512c
--- /dev/null
+++ b/java/com/android/dialer/lookup/auskunft/AuskunftApi.java
@@ -0,0 +1,114 @@
+/**
+ * Copyright (c) 2015, The CyanogenMod Project
+ *
+ * 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.auskunft;
+
+import android.content.Context;
+import android.net.Uri;
+import android.util.Log;
+
+import com.android.dialer.lookup.LookupUtils;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public final class AuskunftApi {
+  private static final String TAG = AuskunftApi.class.getSimpleName();
+
+  private static final String PEOPLE_LOOKUP_URL = "https://auskunft.at/suche";
+
+  private static final String SEARCH_RESULTS_REGEX =
+      "(?i)<section[\\s]+class=[\"']?search-entry(.*?)?</section";
+  private static final String NAME_REGEX =
+      "(?i)<h1[\\s]+itemprop=[\"']?name[\"']?>(.*?)</h1";
+  private static final String NUMBER_REGEX =
+      "(?i)phone[\"'][\\s]+?href=[\"']{1}tel:(.*?)[\"']{1}";
+  private static final String ADDRESS_REGEX =
+      "(?i)<span[\\s]+itemprop=[\"']?streetAddress[\"']?>(.*?)</a";
+
+  private static final String BUSINESS_IDENTIFIER = "(Firma)";
+
+  private AuskunftApi() {
+  }
+
+  public static List<ContactInfo> query(String filter) throws IOException {
+    // build URI
+    Uri uri = Uri.parse(PEOPLE_LOOKUP_URL)
+        .buildUpon()
+        .appendQueryParameter("query", filter)
+        .build();
+
+    // get all search entry sections
+    List<String> entries = LookupUtils.allRegexResults(
+        LookupUtils.httpGet(uri.toString(), null), SEARCH_RESULTS_REGEX, true);
+
+    // abort lookup if nothing found
+    if (entries == null || entries.isEmpty()) {
+      Log.w(TAG, "nothing found");
+      return null;
+    }
+
+    // build response by iterating through the search entries and parsing their HTML data
+    List<ContactInfo> infos = new ArrayList<ContactInfo>();
+    for (String entry : entries) {
+      // parse wanted data and replace null values
+      String name = replaceNullResult(LookupUtils.firstRegexResult(entry, NAME_REGEX, true));
+      String address = replaceNullResult(LookupUtils.firstRegexResult(entry, ADDRESS_REGEX, true));
+      String number = replaceNullResult(LookupUtils.firstRegexResult(entry, NUMBER_REGEX, true));
+      // ignore entry if name or number is empty (should not occur)
+      // missing addresses won't be a problem (but do occur)
+      if (name.isEmpty() || number.isEmpty()) {
+        continue;
+      }
+
+      ContactInfo info = new ContactInfo();
+      info.name = cleanupResult(name);
+      info.number = cleanupResult(number);
+      info.address = cleanupResult(address);
+      info.url = uri.toString();
+
+      infos.add(info);
+    }
+    return infos;
+  }
+
+  private static String cleanupResult(String result) {
+    // get displayable text
+    result = LookupUtils.fromHtml(result);
+    // replace newlines with spaces
+    result = result.replaceAll("\\r|\\n", " ");
+    // replace multiple spaces with one
+    result = result.replaceAll("\\s+", " ");
+    // remove business identifier that is originally not part of the name
+    result = result.replace(BUSINESS_IDENTIFIER, "");
+    // final trimming
+    result = result.trim();
+
+    return result;
+  }
+
+  private static String replaceNullResult(String result) {
+    return (result == null) ? "" : result;
+  }
+
+  static class ContactInfo {
+    String name;
+    String number;
+    String url;
+    String address;
+  };
+}
diff --git a/java/com/android/dialer/lookup/auskunft/AuskunftPeopleLookup.java b/java/com/android/dialer/lookup/auskunft/AuskunftPeopleLookup.java
new file mode 100644
index 000000000..6feb1a58f
--- /dev/null
+++ b/java/com/android/dialer/lookup/auskunft/AuskunftPeopleLookup.java
@@ -0,0 +1,57 @@
+/**
+ * Copyright (c) 2015, The CyanogenMod Project
+ *
+ * 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.auskunft;
+
+import android.content.Context;
+import android.util.Log;
+
+import com.android.dialer.phonenumbercache.ContactInfo;
+import com.android.dialer.lookup.ContactBuilder;
+import com.android.dialer.lookup.PeopleLookup;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class AuskunftPeopleLookup extends PeopleLookup {
+  private static final String TAG = AuskunftPeopleLookup.class.getSimpleName();
+
+  public AuskunftPeopleLookup(Context context) {
+  }
+
+  @Override
+  public List<ContactInfo> lookup(Context context, String filter) {
+    try {
+      List<AuskunftApi.ContactInfo> infos = AuskunftApi.query(filter);
+      if (infos != null) {
+          List<ContactInfo> result = new ArrayList<>();
+          for (AuskunftApi.ContactInfo info : infos) {
+            result.add(ContactBuilder.forPeopleLookup(info.number)
+                .setName(ContactBuilder.Name.createDisplayName(info.name))
+                .addPhoneNumber(ContactBuilder.PhoneNumber.createMainNumber(info.number))
+                .addWebsite(ContactBuilder.WebsiteUrl.createProfile(info.url))
+                .addAddress(ContactBuilder.Address.createFormattedHome(info.address))
+                .build());
+          }
+          return result;
+      }
+    } catch (IOException e) {
+      Log.e(TAG, "People lookup failed", e);
+    }
+    return null;
+  }
+}
diff --git a/java/com/android/dialer/lookup/auskunft/AuskunftReverseLookup.java b/java/com/android/dialer/lookup/auskunft/AuskunftReverseLookup.java
new file mode 100644
index 000000000..6b6f41543
--- /dev/null
+++ b/java/com/android/dialer/lookup/auskunft/AuskunftReverseLookup.java
@@ -0,0 +1,54 @@
+/**
+ * Copyright (c) 2015, The CyanogenMod Project
+ *
+ * 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.auskunft;
+
+import android.content.Context;
+
+import com.android.dialer.phonenumbercache.ContactInfo;
+import com.android.dialer.lookup.ContactBuilder;
+import com.android.dialer.lookup.ReverseLookup;
+
+import java.io.IOException;
+import java.util.List;
+
+public class AuskunftReverseLookup extends ReverseLookup {
+  public AuskunftReverseLookup(Context context) {
+  }
+
+  @Override
+  public ContactInfo lookupNumber(Context context, String normalizedNumber,
+      String formattedNumber) throws IOException {
+    // only Austrian numbers are supported
+    if (normalizedNumber.startsWith("+") && !normalizedNumber.startsWith("+43")) {
+      return null;
+    }
+
+    // query the API and return null if nothing found or general error
+    List<AuskunftApi.ContactInfo> infos = AuskunftApi.query(normalizedNumber);
+    AuskunftApi.ContactInfo info = infos != null && !infos.isEmpty() ? infos.get(0) : null;
+    if (info == null) {
+      return null;
+    }
+
+    return ContactBuilder.forReverseLookup(normalizedNumber, formattedNumber)
+        .setName(ContactBuilder.Name.createDisplayName(info.name))
+        .addPhoneNumber(ContactBuilder.PhoneNumber.createMainNumber(info.number))
+        .addWebsite(ContactBuilder.WebsiteUrl.createProfile(info.url))
+        .addAddress(ContactBuilder.Address.createFormattedHome(info.address))
+        .build();
+  }
+}