support xmpp uris with single 'omemo' parameter for fingerprint (w/o sid)

1 files changed, 81 insertions, 90 deletions

diff --git a/src/main/java/de/pixart/messenger/utils/XmppUri.java b/src/main/java/de/pixart/messenger/utils/XmppUri.java
index 0e9fe7087..340c242a7 100644
--- a/src/main/java/de/pixart/messenger/utils/XmppUri.java
+++ b/src/main/java/de/pixart/messenger/utils/XmppUri.java
@@ -7,8 +7,6 @@ import androidx.annotation.NonNull;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 
-import org.jetbrains.annotations.NotNull;
-
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
 import java.util.ArrayList;
@@ -16,27 +14,22 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
-import java.util.regex.Pattern;
 
 import rocks.xmpp.addr.Jid;
 
 public class XmppUri {
 
+    public static final String ACTION_JOIN = "join";
+    public static final String ACTION_MESSAGE = "message";
+    public static final String ACTION_REGISTER = "register";
+    public static final String ACTION_ROSTER = "roster";
+    private static final String OMEMO_URI_PARAM = "omemo-sid-";
+    private static final String OTR_URI_PARAM = "otr-fingerprint";
     protected Uri uri;
     protected String jid;
-    protected String fingerprint;
     private List<Fingerprint> fingerprints = new ArrayList<>();
     private Map<String, String> parameters = Collections.emptyMap();
     private boolean safeSource = true;
-    public static final String OMEMO_URI_PARAM = "omemo-sid-";
-    private static final String OTR_URI_PARAM = "otr-fingerprint";
-    public static final String ACTION_JOIN = "join";
-
-    public static final String ACTION_MESSAGE = "message";
-    public static final String ACTION_REGISTER = "register";
-    public static final String ACTION_ROSTER = "roster";
-
-    public static Pattern XMPP_URI = Patterns.XMPP_PATTERN;
 
     public XmppUri(String uri) {
         try {
@@ -59,6 +52,79 @@ public class XmppUri {
         parse(uri);
     }
 
+    private static Map<String, String> parseParameters(final String query, final char seperator) {
+        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<>();
+        final String[] pairs = query == null ? new String[0] : query.split(String.valueOf(seperator));
+        for (String pair : pairs) {
+            final String[] parts = pair.split("=", 2);
+            if (parts.length == 0) {
+                continue;
+            }
+            final String key = parts[0].toLowerCase(Locale.US);
+            final String value;
+            if (parts.length == 2) {
+                String decoded;
+                try {
+                    decoded = URLDecoder.decode(parts[1], "UTF-8");
+                } catch (UnsupportedEncodingException e) {
+                    decoded = "";
+                }
+                value = decoded;
+            } else {
+                value = "";
+            }
+            builder.put(key, value);
+        }
+        return builder.build();
+    }
+
+    private static List<Fingerprint> parseFingerprints(Map<String, String> parameters) {
+        ImmutableList.Builder<Fingerprint> builder = new ImmutableList.Builder<>();
+        for (Map.Entry<String, String> parameter : parameters.entrySet()) {
+            final String key = parameter.getKey();
+            final String value = parameter.getValue().toLowerCase(Locale.US);
+            if (key.startsWith(OMEMO_URI_PARAM)) {
+                try {
+                    final int id = Integer.parseInt(key.substring(OMEMO_URI_PARAM.length()));
+                    builder.add(new Fingerprint(FingerprintType.OMEMO, value, id));
+                } catch (Exception e) {
+                    //ignoring invalid device id
+                }
+            } else if ("omemo".equals(key)) {
+                builder.add(new Fingerprint(FingerprintType.OMEMO, value, 0));
+            }
+        }
+        return builder.build();
+    }
+
+    public static String getFingerprintUri(final String base, final List<XmppUri.Fingerprint> fingerprints, char separator) {
+        StringBuilder builder = new StringBuilder(base);
+        builder.append('?');
+        for (int i = 0; i < fingerprints.size(); ++i) {
+            XmppUri.FingerprintType type = fingerprints.get(i).type;
+            if (type == XmppUri.FingerprintType.OMEMO) {
+                builder.append(XmppUri.OMEMO_URI_PARAM);
+                builder.append(fingerprints.get(i).deviceId);
+            } else if (type == XmppUri.FingerprintType.OTR) {
+                builder.append(XmppUri.OTR_URI_PARAM);
+            }
+            builder.append('=');
+            builder.append(fingerprints.get(i).fingerprint);
+            if (i != fingerprints.size() - 1) {
+                builder.append(separator);
+            }
+        }
+        return builder.toString();
+    }
+
+    private static String lameUrlDecode(String url) {
+        return url.replace("%23", "#").replace("%25", "%");
+    }
+
+    public static String lameUrlEncode(String url) {
+        return url.replace("%", "%25").replace("#", "%23");
+    }
+
     public boolean isSafeSource() {
         return safeSource;
     }
@@ -118,32 +184,6 @@ public class XmppUri {
         }
     }
 
-    private static Map<String, String> parseParameters(final String query, final char seperator) {
-        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<>();
-        final String[] pairs = query == null ? new String[0] : query.split(String.valueOf(seperator));
-        for (String pair : pairs) {
-            final String[] parts = pair.split("=", 2);
-            if (parts.length == 0) {
-                continue;
-            }
-            final String key = parts[0].toLowerCase(Locale.US);
-            final String value;
-            if (parts.length == 2) {
-                String decoded;
-                try {
-                    decoded = URLDecoder.decode(parts[1], "UTF-8");
-                } catch (UnsupportedEncodingException e) {
-                    decoded = "";
-                }
-                value = decoded;
-            } else {
-                value = "";
-            }
-            builder.put(key, value);
-        }
-        return builder.build();
-    }
-
     @Override
     @NonNull
     public String toString() {
@@ -153,23 +193,6 @@ public class XmppUri {
         return "";
     }
 
-    private static List<Fingerprint> parseFingerprints(Map<String, String> parameters) {
-        ImmutableList.Builder<Fingerprint> builder = new ImmutableList.Builder<>();
-        for (Map.Entry<String, String> parameter : parameters.entrySet()) {
-            final String key = parameter.getKey();
-            final String value = parameter.getValue().toLowerCase(Locale.US);
-            if (key.startsWith(OMEMO_URI_PARAM)) {
-                try {
-                    final int id = Integer.parseInt(key.substring(OMEMO_URI_PARAM.length()));
-                    builder.add(new Fingerprint(FingerprintType.OMEMO, value, id));
-                } catch (Exception e) {
-                    //ignoring invalid device id
-                }
-            }
-        }
-        return builder.build();
-    }
-
     public boolean isAction(final String action) {
         return parameters.containsKey(action);
     }
@@ -202,7 +225,7 @@ public class XmppUri {
         return parameters.get("name");
     }
 
-    public String getParamater(String key) {
+    public String getParameter(String key) {
         return this.parameters.get(key);
     }
 
@@ -219,53 +242,21 @@ public class XmppUri {
         OTR
     }
 
-    public static String getFingerprintUri(String base, List<XmppUri.Fingerprint> fingerprints, char separator) {
-        StringBuilder builder = new StringBuilder(base);
-        builder.append('?');
-        for (int i = 0; i < fingerprints.size(); ++i) {
-            XmppUri.FingerprintType type = fingerprints.get(i).type;
-            if (type == XmppUri.FingerprintType.OMEMO) {
-                builder.append(XmppUri.OMEMO_URI_PARAM);
-                builder.append(fingerprints.get(i).deviceId);
-            } else if (type == XmppUri.FingerprintType.OTR) {
-                builder.append(XmppUri.OTR_URI_PARAM);
-            }
-            builder.append('=');
-            builder.append(fingerprints.get(i).fingerprint);
-            if (i != fingerprints.size() - 1) {
-                builder.append(separator);
-            }
-        }
-        return builder.toString();
-    }
-
     public static class Fingerprint {
         public final FingerprintType type;
         public final String fingerprint;
         final int deviceId;
 
-        public Fingerprint(FingerprintType type, String fingerprint) {
-            this(type, fingerprint, 0);
-        }
-
         public Fingerprint(FingerprintType type, String fingerprint, int deviceId) {
             this.type = type;
             this.fingerprint = fingerprint;
             this.deviceId = deviceId;
         }
 
-        @NotNull
+        @NonNull
         @Override
         public String toString() {
             return type.toString() + ": " + fingerprint + (deviceId != 0 ? " " + deviceId : "");
         }
     }
-
-    private static String lameUrlDecode(String url) {
-        return url.replace("%23", "#").replace("%25", "%");
-    }
-
-    public static String lameUrlEncode(String url) {
-        return url.replace("%", "%25").replace("#", "%23");
-    }
 }