08-27-周三_17-09-29

node_modules/sockjs/lib/trans-jsonp.js

@@ -0,0 +1,104 @@
+(function() {
+  var JsonpReceiver, transport,
+    __hasProp = Object.prototype.hasOwnProperty,
+    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor; child.__super__ = parent.prototype; return child; };
+
+  transport = require('./transport');
+
+  JsonpReceiver = (function(_super) {
+
+    __extends(JsonpReceiver, _super);
+
+    JsonpReceiver.prototype.protocol = "jsonp-polling";
+
+    JsonpReceiver.prototype.max_response_size = 1;
+
+    function JsonpReceiver(req, res, options, callback) {
+      this.callback = callback;
+      JsonpReceiver.__super__.constructor.call(this, req, res, options);
+    }
+
+    JsonpReceiver.prototype.doSendFrame = function(payload) {
+      return JsonpReceiver.__super__.doSendFrame.call(this, this.callback + "(" + JSON.stringify(payload) + ");\r\n");
+    };
+
+    return JsonpReceiver;
+
+  })(transport.ResponseReceiver);
+
+  exports.app = {
+    jsonp: function(req, res, _, next_filter) {
+      var callback;
+      if (!('c' in req.query || 'callback' in req.query)) {
+        throw {
+          status: 500,
+          message: '"callback" parameter required'
+        };
+      }
+      callback = 'c' in req.query ? req.query['c'] : req.query['callback'];
+      if (/[^a-zA-Z0-9-_.]/.test(callback)) {
+        throw {
+          status: 500,
+          message: 'invalid "callback" parameter'
+        };
+      }
+      res.setHeader('Content-Type', 'application/javascript; charset=UTF-8');
+      res.writeHead(200);
+      transport.register(req, this, new JsonpReceiver(req, res, this.options, callback));
+      return true;
+    },
+    jsonp_send: function(req, res, query) {
+      var d, jsonp, message, _i, _len;
+      if (!query) {
+        throw {
+          status: 500,
+          message: 'Payload expected.'
+        };
+      }
+      if (typeof query === 'string') {
+        try {
+          d = JSON.parse(query);
+        } catch (x) {
+          throw {
+            status: 500,
+            message: 'Broken JSON encoding.'
+          };
+        }
+      } else {
+        d = query.d;
+      }
+      if (typeof d === 'string' && d) {
+        try {
+          d = JSON.parse(d);
+        } catch (x) {
+          throw {
+            status: 500,
+            message: 'Broken JSON encoding.'
+          };
+        }
+      }
+      if (!d || d.__proto__.constructor !== Array) {
+        throw {
+          status: 500,
+          message: 'Payload expected.'
+        };
+      }
+      jsonp = transport.Session.bySessionId(req.session);
+      if (jsonp === null) {
+        throw {
+          status: 404
+        };
+      }
+      for (_i = 0, _len = d.length; _i < _len; _i++) {
+        message = d[_i];
+        jsonp.didMessage(message);
+      }
+      res.setHeader('Content-Length', '2');
+      res.setHeader('Content-Type', 'text/plain; charset=UTF-8');
+      res.writeHead(200);
+      res.end('ok');
+      return true;
+    }
+  };
+
+}).call(this);