init commit

js/transport.js

@@ -0,0 +1,24 @@
+// KaiOS 2.x specific part to connect and retrieve raw data from Gopher servers
+// Requires "tcp-socket" permission in the manifest
+// and the "privileged" or "certified" app permission level
+// resource format: [type, selector, host, port]
+// type is autotrimmed, so you don't have to manually strip the description
+// input is optional and only considered for resource type 7
+
+function gopherRequest(resource, input, successCb, errorCb) {
+  var xsock = navigator.mozTCPSocket.open(resource[2], (resource[3]||70) | 0, {binaryType: 'string'}),
+      type = resource[0][0], databuf = ''
+  xsock.ondata = function(data) {
+    databuf += data.data
+  }
+  xsock.onclose = function() {
+    successCb(databuf, type)
+  }
+  xsock.onerror = errorCb
+  xsock.onopen = function() {
+    var selpath = resource[1]
+    if(type == '7' && input)
+      selpath += '\t' + input
+    xsock.send(selpath + '\r\n') // send CRLF-terminated selector path and optionally the search string
+  }
+}