Support legacy configuration pages #251

There are pages that do not honor return_to get parameter. This commit allows the user to enter the returned url manually.

app/src/main/assets/app_config/configure.html

@@ -19,7 +19,8 @@
         }
         #config_url,#jsondata {
         word-wrap: break-word;
-        margin: 20px;
+        margin: 20px 0;
+        width: 90%;
         }
         .btn {
         display: inline-block;
@@ -38,6 +39,16 @@
         box-shadow: 0 8px 17px 0 rgba(0, 0, 0, 0.2)inset;
         transition-delay: 0s;
         }
+        p {
+        width: 90%;
+        }
+        #pastereturn {
+        width: 90%;
+        min-height: 3em;
+        }
+        #step1compat, #step2 {
+        display: none;
+        }
         <!-- TODO -->
     </style>
 </head>
@@ -48,6 +59,14 @@
     <!--<button class="btn" name="show config" value="show config" onclick="Pebble.showConfiguration()" >Show config / URL</button>-->
     <button class="btn" name="open config" value="open config" onclick="Pebble.actuallyOpenURL()" >Open configuration website</button>
 </div>
+<div id="step1compat">
+    <p>In case of "network error" after saving settings in the wathchapp, copy the "network error"
+        URL and paste it here:</p>
+    <textarea id="pastereturn"></textarea><br/>
+    <button class="btn" name="parse" onclick="Pebble.parseReturnedPebbleJS()">Parse legacy app
+        configuration
+    </button>
+</div>
 <div id="step2">
     <h2>Incoming configuration data:</h2>
     <div id="jsondata"></div>

app/src/main/assets/app_config/js/gadgetbridge_boilerplate.js

@@ -63,6 +63,7 @@ function gbPebble() {
         }
     }
     this.actuallyOpenURL = function() {
+        document.getElementById('step1compat').style.display="block";
         window.open(this.configurationURL.toString(), "config");
     }
 
@@ -114,6 +115,22 @@ function gbPebble() {
     this.ready = function() {
     }
 
+    this.parseReturnedPebbleJS = function() {
+
+        var str = document.getElementById('pastereturn').value;
+        var needle = "pebblejs://close#";
+
+        if (str.split(needle)[1] !== undefined) {
+            var t = new Object();
+            t.response = unescape(str.split(needle)[1]);
+            this.parseconfig(t);
+            document.getElementById('step1').style.display="none";
+            document.getElementById('step1compat').style.display="none";
+            document.getElementById('step2').style.display="block";
+        } else {
+            console.error("No valid configuration found in the entered string.");
+        }
+    }
 }
 
 var Pebble = new gbPebble();
@@ -123,13 +140,15 @@ if (jsConfigFile != null) {
     loadScript(jsConfigFile, function() {
         if (getURLVariable('config') == 'true') {
             document.getElementById('step1').style.display="none";
+            document.getElementById('step1compat').style.display="none";
+            document.getElementById('step2').style.display="block";
+
             var json_string = unescape(getURLVariable('json'));
             var t = new Object();
             t.response = json_string;
             if (json_string != '')
                 Pebble.parseconfig(t);
         } else {
-            document.getElementById('step2').style.display="none";
             Pebble.ready();
             Pebble.showConfiguration();
         }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ExternalPebbleJSActivity.java

@@ -54,8 +54,12 @@ public class ExternalPebbleJSActivity extends GBActivity {
         Uri uri = getIntent().getData();
         if (uri != null) {
             //getting back with configuration data
-            appUuid = UUID.fromString(uri.getHost());
+            try {
-            queryString = uri.getEncodedQuery();
+                appUuid = UUID.fromString(uri.getHost());
+                queryString = uri.getEncodedQuery();
+            } catch (IllegalArgumentException e) {
+                Log.d("returned uri: ", uri.toString());
+            }
         } else {
             appUuid = (UUID) getIntent().getSerializableExtra("app_uuid");
         }