Console: Add tooltip to unban link

Don't show both ban and unban buttons if peer param provided
Don't put hash in form again after ban/unban POST

apps/routerconsole/java/src/net/i2p/router/web/helpers/BanlistRenderer.java

@@ -56,6 +56,7 @@ class BanlistRenderer {
 
         buf.append("<ul id=\"banlist\">");
         
+        String unban = _t("unban now");
         for (Map.Entry<Hash, Banlist.Entry> e : entries.entrySet()) {
             Hash key = e.getKey();
             Banlist.Entry entry = e.getValue();
@@ -82,8 +83,9 @@ class BanlistRenderer {
                     buf.append(_t(entry.cause));
             }
             if (!key.equals(Hash.FAKE_HASH)) {
+                // note: CSS hides anchor text
                 buf.append(" <a href=\"configpeer?peer=").append(key.toBase64())
-                   .append("#unsh\">[").append(_t("unban now")).append("]</a>");
+                   .append("#unsh\" title=\"").append(unban).append("\">[").append(unban).append("]</a>");
             }
             buf.append("</li>\n");
         }

apps/routerconsole/java/src/net/i2p/router/web/helpers/ConfigPeerHelper.java

@@ -5,6 +5,7 @@ import java.math.BigInteger;
 import java.util.Collections;
 import java.util.List;
 
+import net.i2p.data.Hash;
 import net.i2p.router.Blocklist;
 import net.i2p.router.web.HelperBase;
 import net.i2p.util.Addresses;
@@ -132,6 +133,13 @@ public class ConfigPeerHelper extends HelperBase {
         return out.toString();
     }
 
+    /**
+     *  @since 0.9.50
+     */
+    public boolean isBanned(Hash h) {
+        return _context.banlist().isBanlisted(h);
+    }
+
     /**
      *  Convert a (non-negative) two's complement IP to exactly 16 bytes
      *

apps/routerconsole/jsp/configpeer.jsp

@@ -15,8 +15,23 @@
  <jsp:useBean class="net.i2p.router.web.helpers.ConfigPeerHelper" id="peerhelper" scope="request" />
  <jsp:setProperty name="peerhelper" property="contextId" value="<%=i2pcontextId%>" />
  <% String peer = "";
-    if (request.getParameter("peer") != null)
+    net.i2p.data.Hash peerHash = null;
-        peer = net.i2p.data.DataHelper.stripHTML(request.getParameter("peer"));  // XSS
+    boolean isBanned = false;
+    if (request.getParameter("peer") != null) {
+        // don't redisplay after POST, we don't do P-R-G
+        if (!"POST".equals(request.getMethod())) {
+            peer = net.i2p.data.DataHelper.stripHTML(request.getParameter("peer"));  // XSS
+            if (peer.length() == 44) {
+                byte[] h = net.i2p.data.Base64.decode(peer);
+                if (h != null) {
+                    try {
+                        peerHash = net.i2p.data.Hash.create(h);
+                        isBanned = peerhelper.isBanned(peerHash);
+                    } catch (Exception e) {}
+                }
+            }
+        }
+    }
  %>
  <form action="configpeer" method="POST">
  <input type="hidden" name="nonce" value="<%=pageNonce%>" >
@@ -25,16 +40,23 @@
  <a name="bonus"> </a>
  <h3 class="tabletitle"><%=intl._t("Manual Peer Controls")%></h3>
  <table class="configtable">
-   <tr><td colspan="2"><b><%=intl._t("Router Hash")%>:</b> <input type="text" size="55" name="peer" value="<%=peer%>" /></td></tr>
+   <tr><td colspan="2"><b><%=intl._t("Router Hash")%>:</b> <input type="text" size="44" name="peer" value="<%=peer%>" /></td></tr>
    <tr><th colspan="2"><%=intl._t("Manually Ban / Unban a Peer")%></th></tr>
    <tr><td class="infohelp" colspan="2"><%=intl._t("Banning will prevent the participation of this peer in tunnels you create.")%></td></tr>
    <tr>
      <td class="optionsave" colspan="2">
+<%
+    if (peerHash == null || !isBanned) {
+ %>
         <input type="submit" name="action" class="delete" value="<%=intl._t("Ban peer until restart")%>" />
+<%
+    }
+    if (peerHash == null || isBanned) {
+ %>
         <input type="submit" name="action" class="accept" value="<%=intl._t("Unban peer")%>" />
-        <% if (! "".equals(peer)) { %>
+<%
-        <!-- <font color="blue">&lt;---- click to verify action</font> -->
+    }
-        <% } %>
+ %>
      </td>
    </tr>
    <tr><th colspan="2"><%=intl._t("Adjust Profile Bonuses")%></th></tr>