Ref #54 Implementation of WebSite.homepage_hash

lib/wpscan/modules/web_site.rb

@@ -86,16 +86,24 @@ module WebSite
     redirection
   end
 
+  # Returns the MD5 hash of the page given by url
+  def self.page_hash(url)
+    Digest::MD5.hexdigest(Browser.instance.get(url).body)
+  end
+
+  def homepage_hash
+    unless @homepage_hash
+      @homepage_hash = WebSite.page_hash(self.url)
+    end
+    @homepage_hash
+  end
+
   # Return the MD5 hash of a 404 page
   def error_404_hash
     unless @error_404_hash
       non_existant_page = Digest::MD5.hexdigest(rand(9999999999).to_s) + ".html"
-
+      @error_404_hash   = WebSite.page_hash(@uri.merge(non_existant_page).to_s)
-      response = Browser.instance.get(@uri.merge(non_existant_page).to_s)
-
-      @error_404_hash = Digest::MD5.hexdigest(response.body)
     end
-
     @error_404_hash
   end
 end

spec/lib/wpscan/modules/web_site_spec.rb

@@ -120,6 +120,26 @@ shared_examples_for "WebSite" do
     end
   end
 
+  describe "#page_hash" do
+    it "should return the MD5 hash of the page" do
+      url   = "http://e.localhost/somepage.php"
+      body  = "Hello World !"
+
+      stub_request(:get, url).to_return(:body => body)
+
+      WebSite.page_hash(url).should === Digest::MD5.hexdigest(body)
+    end
+  end
+
+  describe "#homepage_hash" do
+    it "should return the MD5 hash of the homepage" do
+      body = "Hello World"
+
+      stub_request(:get, web_site.url).to_return(:body => body)
+      web_site.homepage_hash.should === Digest::MD5.hexdigest(body)
+    end
+  end
+
   describe "#error_404_hash" do
     it "should return the md5sum of the 404 page" do
       stub_request(:any, /.*/).