Add support for writing to read-only namespaces

README.md

@@ -27,6 +27,15 @@ response.body # => { 'name' => "-INOQPH-aV_psbk3ZXEX" }
 response.raw_body # => '{"name":"-INOQPH-aV_psbk3ZXEX"}'
 ```
 
+If you have a read-only namespace, set your secret key as follows:
+```ruby
+Firebase.base_uri = 'http://gamma.firebase.com/youruser'
+Firebase.key = 'yoursecretkey'
+
+response = Firebase.push("todos", { :name => 'Pick the milk', :priority => 1 })
+```
+
+
 So far, supported methods are:
 
 ```ruby

lib/firebase.rb

@@ -4,13 +4,17 @@ module Firebase
   autoload :Request, 'firebase/request'
 
   class << self
-    attr_accessor :base_uri
+    attr_accessor :base_uri, :key
 
     def base_uri=(other)
       other = other + "/" if other[-1] != "/"
       @base_uri = other
     end
 
+    def key=(key)
+      @key = key
+    end
+
     # Writes and returns the data
     #   Firebase.set('users/info', { 'name' => 'Oscar' }) => { 'name' => 'Oscar' }
     def set(path, data)

lib/firebase/request.rb

@@ -1,5 +1,6 @@
 require 'typhoeus'
 require 'json'
+require 'uri'
 
 module Firebase
   class Request
@@ -22,15 +23,21 @@ def delete(path)
         process(:delete, path)
       end
 
+      def build_url(path)
+        host = Firebase.base_uri
+        path = "#{path}.json"
+        query_string = Firebase.key ? "?key=#{Firebase.key}" : ""
+        url = URI.join(Firebase.base_uri, path, query_string)
+
+        url.to_s
+      end
+
       private
 
       def process(method, path, options={})
         raise "Please set Firebase.base_uri before making requests" unless Firebase.base_uri
 
-        url = URI.join(Firebase.base_uri, path)
-        url = [url, '.json'].compact.join
-
-        request = Typhoeus::Request.new(url.to_s,
+        request = Typhoeus::Request.new(build_url(path),
                                         :body => options[:body],
                                         :method => method)
         hydra = Typhoeus::Hydra.new

spec/firebase_request_spec.rb

@@ -0,0 +1,28 @@
+require 'spec_helper'
+
+describe "Firebase Request" do
+
+  describe "url_builder" do
+    it "should build the correct url when passed no path" do
+      Firebase.base_uri = 'https://test.firebaseio.com'
+      Firebase::Request.build_url(nil).should == 'https://test.firebaseio.com/.json'
+    end
+  end
+
+  describe "url_builder" do
+    it "should build the correct url when passed a path" do
+      Firebase.base_uri = 'https://test.firebaseio.com'
+
+      Firebase::Request.build_url('users/eugene').should == 'https://test.firebaseio.com/users/eugene.json'
+    end
+  end
+
+  describe "url_builder" do
+    it "should include a key in the query string, if configured" do
+      Firebase.base_uri = 'https://test.firebaseio.com'
+      Firebase.key = 'secretkey'
+
+      Firebase::Request.build_url('users/eugene').should == 'https://test.firebaseio.com/users/eugene.json?key=secretkey'
+    end
+  end
+end