1 files changed, 164 insertions, 0 deletions
diff --git a/data/extensions/jid1-KtlZuoiikVfFew@jetpack/resources/librejs/lib/settings/storage.js b/data/extensions/jid1-KtlZuoiikVfFew@jetpack/resources/librejs/lib/settings/storage.js
new file mode 100644
index 0000000..f77bd13
--- /dev/null
+++ b/data/extensions/jid1-KtlZuoiikVfFew@jetpack/resources/librejs/lib/settings/storage.js
@@ -0,0 +1,164 @@
+/**
+ * GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
+ * *
+ * Copyright (C) 2011, 2012, 2013, 2014 Loic J. Duros
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see  <http://www.gnu.org/licenses/>.
+ *
+ */
+/*jshint esnext: true */
+
+const { Cc, Ci, Cu, components } = require("chrome");
+
+var { NetUtil } = Cu.import("resource://gre/modules/NetUtil.jsm");
+var { FileUtils } = Cu.import("resource://gre/modules/FileUtils.jsm");
+var relationChecker = require("js_checker/relation_checker").relationChecker;
+var rc = relationChecker(); // a dummy object for legacy module.
+const AUTHOR_REASON = require("script_entries/free_libraries").AUTHOR_REASON;
+var relationChecker = require("js_checker/relation_checker").relationChecker; 
+
+const scriptsCached = require("script_entries/scripts_cache").scriptsCached;
+
+let librejsStorage = {
+
+  file: null,
+  filename: 'librejs-whitelist.json',
+  data: [],
+
+  onLoad: function (callback) {
+    // will read the json file.
+    this.init();
+    this.read(callback);
+  },
+  
+
+  init: function () {
+    // get the "librejs-whitelist.json" file in the profile directory
+    this.file = FileUtils.getFile("ProfD", [this.filename]);
+  },
+  read: function (callback) {
+    // Content type hint is useful on mobile platforms where the filesystem
+    // would otherwise try to determine the content type.
+    var channel = NetUtil.newChannel(this.file);
+    var that = this;
+    channel.contentType = "application/json";
+    try {
+      NetUtil.asyncFetch(channel, function(inputStream, status) {
+
+        if (!components.isSuccessCode(status)) {
+          require("script_entries/free_libraries").init();
+          that.initialWrite();
+        }
+        
+        var raw_data = NetUtil.readInputStreamToString(inputStream, inputStream.available());
+        // expand json file back to original contents.
+        var re = new RegExp("[freelib]".replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'), 'g');
+        raw_data = raw_data.replace(re, AUTHOR_REASON);
+        console.debug("raw_data is ", raw_data);
+        // The file data is contained within inputStream.
+        // You can read it into a string with
+        // get string into json also
+        that.data = JSON.parse(raw_data);
+        
+        callback(that.data);
+      });
+    } catch (e) {
+      that.initialWrite();
+    }
+  },
+    
+  initialWrite: function (callback) {
+    console.debug("About to write free libraries");
+    // our file is not populated with default contents.
+    // use free_libraries.js to populate.
+    require("script_entries/free_libraries").init();
+    this.writeCacheToDB(callback);
+  },
+  /**
+   * writes the contents of scriptsCached to the persistent
+   * JSON file.
+   */
+  writeCacheToDB: function (callback) {
+    console.debug("writing to db");
+    data = scriptsCached.getCacheForWriting();
+    json = JSON.stringify(data);
+
+    // make json file smaller.
+    var re = new RegExp(AUTHOR_REASON.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'), 'g');
+    json = json.replace(re, "[freelib]");
+    
+    var rc = JSON.stringify(relationChecker());
+    re = new RegExp(rc.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'), 'g');    
+    json = json.replace(re, "\"[rl]\"");
+    console.debug("this.data is now", this.data);
+    this.write(callback, json);
+  },
+  generateCacheFromDB: function (callback) {
+    if (callback === undefined) {
+      callback = function () {
+        // nothing to do.
+      };
+    }
+    this.read(function (data) {
+      scriptsCached.bulkImportCache(data);
+    });
+  },
+  write: function (onDataWritten, json) {
+
+    this.init();
+    var str;
+    if (json === undefined) {
+      str = JSON.stringify(this.data);
+    } else {
+      // we are passing json already formatted.
+      str = json;
+    }
+    var ostream = FileUtils.openSafeFileOutputStream(this.file);
+    var converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Ci.nsIScriptableUnicodeConverter);
+    converter.charset = "UTF-8";
+    var istream = converter.convertToInputStream(str);
+    // The last argument (the callback) is optional.
+    NetUtil.asyncCopy(istream, ostream, function(status) {
+      if (!components.isSuccessCode(status)) {
+        // Handle error!
+        return;
+      }
+      if (!onDataWritten) {
+        console.debug("onDataWritten is not defined");
+        onDataWritten = function () {
+          console.debug("onDataWritten dummy callback triggered");
+        };
+      }
+      // Data has been written to the file.
+      onDataWritten();
+    });
+  },
+
+  /**
+   *  getEntry -- Returns a storage entry if it is present.
+   */
+  getEntry: function (hash) {
+    var entry = this.data[hash];
+    if (entry) {
+      if (entry.result == "[freelib]") {
+        entry.result = { "type": 4, "reason": "this script has been tagged as free software by LibreJS authors" };
+      }
+      entry.relationChecker = rc;
+      return entry;
+    }
+    return false;
+  }
+};
+
+exports.librejsStorage = librejsStorage;