Display the public key using a href in the settings page

www/common/common-hash.js

@@ -34,6 +34,9 @@ define([
     var getFileHashFromKeys = Hash.getFileHashFromKeys = function (fileKey, cryptKey) {
         return '/1/' + hexToBase64(fileKey) + '/' + Crypto.b64RemoveSlashes(cryptKey) + '/';
     };
+    var getUserHrefFromKeys = Hash.getUserHrefFromKeys = function (username, pubkey) {
+        return window.location.origin + '/user/#/1/' + username + '/' + pubkey.replace(/\//g, '-');
+    };
 
     var fixDuplicateSlashes = function (s) {
         return s.replace(/\/+/g, '/');
@@ -188,6 +191,9 @@ Version 1
                     // version 2 hashes are to be used for encrypted blobs
                     secret.channel = parsed.channel;
                     secret.keys = { fileKeyStr: parsed.key };
+                } else if (parsed.type === "user") {
+                    // version 2 hashes are to be used for encrypted blobs
+                    throw new Error("User hashes can't be opened (yet)");
                 }
             }
         }

www/common/cryptpad-common.js

@@ -85,6 +85,7 @@ define([
     common.getEditHashFromKeys = Hash.getEditHashFromKeys;
     common.getViewHashFromKeys = Hash.getViewHashFromKeys;
     common.getFileHashFromKeys = Hash.getFileHashFromKeys;
+    common.getUserHrefFromKeys = Hash.getUserHrefFromKeys;
     common.getSecrets = Hash.getSecrets;
     common.getHashes = Hash.getHashes;
     common.createChannelId = Hash.createChannelId;

www/settings/main.js

@@ -49,13 +49,14 @@ define([
 
         var publicKey = obj.edPublic;
         if (publicKey) {
+            var userHref = Cryptpad.getUserHrefFromKeys(accountName, publicKey);
             var $pubLabel = $('<span>', {'class': 'label'})
                 .text(Messages.settings_publicSigningKey + ':');
             var $pubKey = $('<input>', {type: 'text', readonly: true})
                 .css({
                     width: '28em'
                 })
-                .val(publicKey);
+                .val(userHref);
             $div.append('<br>').append($pubLabel).append($pubKey);
         }