1 files changed, 161 insertions, 0 deletions
diff --git a/data/extensions/https-everywhere-eff@eff.org/chrome/content/fetch-source.js b/data/extensions/https-everywhere-eff@eff.org/chrome/content/fetch-source.js
new file mode 100644
index 0000000..80c32c4
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+++ b/data/extensions/https-everywhere-eff@eff.org/chrome/content/fetch-source.js
@@ -0,0 +1,161 @@
+/* vim: set expandtab tabstop=2 shiftwidth=2 softtabstop=2 foldmethod=marker: */
+
+/**
+ * HTTPS Everywhere Firefox Extension: https://www.eff.org/https-everywhere/
+ *
+ * Licensed under the GPL v3+.
+ * 
+ * @copyright Copyright (C) 2010-2013 Mike Perry <mikeperry@fscked.org> 
+ *                                    Peter Eckersley <pde@eff.org>
+ *                                    and many others.
+ */
+
+// Define https everywhere variable object that will act as a namespace, so that 
+// global namespace pollution is avoided, although technically not required for
+// windows created by add-on.
+// See: https://developer.mozilla.org/en-US/docs/Security_best_practices_in_extensions#Code_wrapping
+if (!httpsEverywhere) { var httpsEverywhere = {}; }
+
+/**
+ * JS Object for fetching the XML source of rulesets.
+ *
+ * @author Pavel Kazakov <nullishzero@gmail.com>
+ */
+httpsEverywhere.fetchSource = {
+  // TODO: look into class constants
+  CC: Components.classes,
+  CI: Components.interfaces,
+
+  // Constants for generating URL from which source will be fetched 
+  BASE_SITE: 'https://gitweb.torproject.org/https-everywhere.git/plain/',
+  DIRECTORY: '/src/chrome/content/rules/',
+  HEAD_STRING: 'HEAD',
+
+  /**
+   * Initializes the window to view source. 
+   */
+  init: function() {
+    var fs = httpsEverywhere.fetchSource;
+
+    if("arguments" in window && window.arguments.length > 0) {
+      var filename = window.arguments[0].xmlName;
+      var id = window.arguments[0].GITCommitID; //GIT commit ID
+      var URL = fs.getURL(filename, id);
+      var source = fs.getSource(URL, filename, false);
+    } else {
+      // Should never happen
+      throw 'Invalid window arguments.';
+    }
+  },
+
+  /**
+   * Generates a URL that can be used for viewing the ruleset source.
+   *
+   * @param filename    name of ruleset to view, such as EFF.xml
+   * @param GITCommitID revision of ruleset
+   * 
+   * @return string of URL
+   */
+  getURL: function(filename, GITCommitID) {
+    var fs = httpsEverywhere.fetchSource;
+    return fs.BASE_SITE + fs.DIRECTORY + filename + "?h=" + GITCommitID;
+  },
+
+  /**
+   * Sends HTTP request to view ruleset source and updates the window with the 
+   * ruleset source.
+   * 
+   * @param URL      HTTP request will be sent to this URL
+   * @param filename used for displaying ruleset source
+   * @param useHead  whether send request to latest revision of ruleset
+   */
+  getSource: function(URL, filename, useHead) {
+    var fs = httpsEverywhere.fetchSource;
+    fs.setFilenameText(filename);
+    fs.setPathText(URL);
+
+    var req = fs.CC["@mozilla.org/xmlextras/xmlhttprequest;1"]
+      .createInstance(fs.CI.nsIXMLHttpRequest);
+
+    // Use HTTP GET
+    req.open("GET", URL);
+
+    // Clear User-Agent so request is pseudo-anonymous
+    req.setRequestHeader("User-Agent", "");
+
+    // handle asynchronous request
+    req.onreadystatechange = function(params) {
+      if (req.readyState == 4) {
+        
+        // HTTP Request was successful
+        if (req.status == 200) {
+          fs.setSourceText(req.responseText);
+        } else if (!useHead) {
+          // HTTP request was not successful and the request wasn't sent to 
+          // get the latest revision. Therefore, if we can't fetch current 
+          // revision (this project's revision might newer than lastest, for 
+          // example), try to at least display the latest revision.
+          var URL = fs.getURL(filename, fs.HEAD_STRING);
+          fs.getSource(URL, filename, true);
+        } else {
+          // at least we tried...
+          fs.downloadFailed();
+        }
+      }
+    };
+
+    req.send();
+  },
+
+  /**
+   * Handle a download failure of ruleset.
+   */
+  downloadFailed: function() {
+    document.getElementById("source-text").hidden = true;
+    document.getElementById("failure-label").hidden = false;
+  },
+
+
+  /**
+   * Convenience method for setting ruleset source text.
+   *
+   * @param text ruleset source
+   */
+  setSourceText: function(text) {
+    var textBox = document.getElementById("source-text");
+    textBox.value = text;
+  },
+
+  /**
+   * Convenience method for setting filename text.
+   *
+   * @param text file name
+   */
+  setFilenameText: function (text) {
+    var textLabel = document.getElementById("filename-text");
+    textLabel.value = text;
+  },
+
+  /**
+   * Convenience method for setting the path (URL) that was used to fetch
+   * ruleset.
+   *
+   * @param text path text
+   */
+  setPathText: function(text) {
+    var textLabel = document.getElementById("path-text");
+    textLabel.value = text;
+  }
+};
+
+// TODO: Test resizing on mulitple platforms
+// adjust window resizing
+window.addEventListener("resize", function() {
+  var textBox = document.getElementById("source-text");
+  // TODO: Move to constants
+  textBox.width = window.innerWidth - 100;
+  textBox.height = window.innerHeight - 150;
+}, false);
+
+// hook event for init
+window.addEventListener("load", httpsEverywhere.fetchSource.init, false);