Updated 15 files, added includes/maintenance/deleteUnusedAssets.php and deleted 4944 files (automated)

1 files changed, 0 insertions, 778 deletions

diff --git a/includes/external/school/node_modules/node-forge/js/task.js b/includes/external/school/node_modules/node-forge/js/task.js
deleted file mode 100644
index f49bbf7..0000000
--- a/includes/external/school/node_modules/node-forge/js/task.js
+++ /dev/null
@@ -1,778 +0,0 @@
-/**
- * Support for concurrent task management and synchronization in web
- * applications.
- *
- * @author Dave Longley
- * @author David I. Lehn <dlehn@digitalbazaar.com>
- *
- * Copyright (c) 2009-2013 Digital Bazaar, Inc.
- */
-(function() {
-/* ########## Begin module implementation ########## */
-function initModule(forge) {
-
-// logging category
-var cat = 'forge.task';
-
-// verbose level
-// 0: off, 1: a little, 2: a whole lot
-// Verbose debug logging is surrounded by a level check to avoid the
-// performance issues with even calling the logging code regardless if it
-// is actually logged.  For performance reasons this should not be set to 2
-// for production use.
-// ex: if(sVL >= 2) forge.log.verbose(....)
-var sVL = 0;
-
-// track tasks for debugging
-var sTasks = {};
-var sNextTaskId = 0;
-// debug access
-forge.debug.set(cat, 'tasks', sTasks);
-
-// a map of task type to task queue
-var sTaskQueues = {};
-// debug access
-forge.debug.set(cat, 'queues', sTaskQueues);
-
-// name for unnamed tasks
-var sNoTaskName = '?';
-
-// maximum number of doNext() recursions before a context swap occurs
-// FIXME: might need to tweak this based on the browser
-var sMaxRecursions = 30;
-
-// time slice for doing tasks before a context swap occurs
-// FIXME: might need to tweak this based on the browser
-var sTimeSlice = 20;
-
-/**
- * Task states.
- *
- * READY: ready to start processing
- * RUNNING: task or a subtask is running
- * BLOCKED: task is waiting to acquire N permits to continue
- * SLEEPING: task is sleeping for a period of time
- * DONE: task is done
- * ERROR: task has an error
- */
-var READY = 'ready';
-var RUNNING = 'running';
-var BLOCKED = 'blocked';
-var SLEEPING = 'sleeping';
-var DONE = 'done';
-var ERROR = 'error';
-
-/**
- * Task actions.  Used to control state transitions.
- *
- * STOP: stop processing
- * START: start processing tasks
- * BLOCK: block task from continuing until 1 or more permits are released
- * UNBLOCK: release one or more permits
- * SLEEP: sleep for a period of time
- * WAKEUP: wakeup early from SLEEPING state
- * CANCEL: cancel further tasks
- * FAIL: a failure occured
- */
-var STOP = 'stop';
-var START = 'start';
-var BLOCK = 'block';
-var UNBLOCK = 'unblock';
-var SLEEP = 'sleep';
-var WAKEUP = 'wakeup';
-var CANCEL = 'cancel';
-var FAIL = 'fail';
-
-/**
- * State transition table.
- *
- * nextState = sStateTable[currentState][action]
- */
-var sStateTable = {};
-
-sStateTable[READY] = {};
-sStateTable[READY][STOP] = READY;
-sStateTable[READY][START] = RUNNING;
-sStateTable[READY][CANCEL] = DONE;
-sStateTable[READY][FAIL] = ERROR;
-
-sStateTable[RUNNING] = {};
-sStateTable[RUNNING][STOP] = READY;
-sStateTable[RUNNING][START] = RUNNING;
-sStateTable[RUNNING][BLOCK] = BLOCKED;
-sStateTable[RUNNING][UNBLOCK] = RUNNING;
-sStateTable[RUNNING][SLEEP] = SLEEPING;
-sStateTable[RUNNING][WAKEUP] = RUNNING;
-sStateTable[RUNNING][CANCEL] = DONE;
-sStateTable[RUNNING][FAIL] = ERROR;
-
-sStateTable[BLOCKED] = {};
-sStateTable[BLOCKED][STOP] = BLOCKED;
-sStateTable[BLOCKED][START] = BLOCKED;
-sStateTable[BLOCKED][BLOCK] = BLOCKED;
-sStateTable[BLOCKED][UNBLOCK] = BLOCKED;
-sStateTable[BLOCKED][SLEEP] = BLOCKED;
-sStateTable[BLOCKED][WAKEUP] = BLOCKED;
-sStateTable[BLOCKED][CANCEL] = DONE;
-sStateTable[BLOCKED][FAIL] = ERROR;
-
-sStateTable[SLEEPING] = {};
-sStateTable[SLEEPING][STOP] = SLEEPING;
-sStateTable[SLEEPING][START] = SLEEPING;
-sStateTable[SLEEPING][BLOCK] = SLEEPING;
-sStateTable[SLEEPING][UNBLOCK] = SLEEPING;
-sStateTable[SLEEPING][SLEEP] = SLEEPING;
-sStateTable[SLEEPING][WAKEUP] = SLEEPING;
-sStateTable[SLEEPING][CANCEL] = DONE;
-sStateTable[SLEEPING][FAIL] = ERROR;
-
-sStateTable[DONE] = {};
-sStateTable[DONE][STOP] = DONE;
-sStateTable[DONE][START] = DONE;
-sStateTable[DONE][BLOCK] = DONE;
-sStateTable[DONE][UNBLOCK] = DONE;
-sStateTable[DONE][SLEEP] = DONE;
-sStateTable[DONE][WAKEUP] = DONE;
-sStateTable[DONE][CANCEL] = DONE;
-sStateTable[DONE][FAIL] = ERROR;
-
-sStateTable[ERROR] = {};
-sStateTable[ERROR][STOP] = ERROR;
-sStateTable[ERROR][START] = ERROR;
-sStateTable[ERROR][BLOCK] = ERROR;
-sStateTable[ERROR][UNBLOCK] = ERROR;
-sStateTable[ERROR][SLEEP] = ERROR;
-sStateTable[ERROR][WAKEUP] = ERROR;
-sStateTable[ERROR][CANCEL] = ERROR;
-sStateTable[ERROR][FAIL] = ERROR;
-
-/**
- * Creates a new task.
- *
- * @param options options for this task
- *   run: the run function for the task (required)
- *   name: the run function for the task (optional)
- *   parent: parent of this task (optional)
- *
- * @return the empty task.
- */
-var Task = function(options) {
-  // task id
-  this.id = -1;
-
-  // task name
-  this.name = options.name || sNoTaskName;
-
-  // task has no parent
-  this.parent = options.parent || null;
-
-  // save run function
-  this.run = options.run;
-
-  // create a queue of subtasks to run
-  this.subtasks = [];
-
-  // error flag
-  this.error = false;
-
-  // state of the task
-  this.state = READY;
-
-  // number of times the task has been blocked (also the number
-  // of permits needed to be released to continue running)
-  this.blocks = 0;
-
-  // timeout id when sleeping
-  this.timeoutId = null;
-
-  // no swap time yet
-  this.swapTime = null;
-
-  // no user data
-  this.userData = null;
-
-  // initialize task
-  // FIXME: deal with overflow
-  this.id = sNextTaskId++;
-  sTasks[this.id] = this;
-  if(sVL >= 1) {
-    forge.log.verbose(cat, '[%s][%s] init', this.id, this.name, this);
-  }
-};
-
-/**
- * Logs debug information on this task and the system state.
- */
-Task.prototype.debug = function(msg) {
-  msg = msg || '';
-  forge.log.debug(cat, msg,
-    '[%s][%s] task:', this.id, this.name, this,
-    'subtasks:', this.subtasks.length,
-    'queue:', sTaskQueues);
-};
-
-/**
- * Adds a subtask to run after task.doNext() or task.fail() is called.
- *
- * @param name human readable name for this task (optional).
- * @param subrun a function to run that takes the current task as
- *          its first parameter.
- *
- * @return the current task (useful for chaining next() calls).
- */
-Task.prototype.next = function(name, subrun) {
-  // juggle parameters if it looks like no name is given
-  if(typeof(name) === 'function') {
-    subrun = name;
-
-    // inherit parent's name
-    name = this.name;
-  }
-  // create subtask, set parent to this task, propagate callbacks
-  var subtask = new Task({
-    run: subrun,
-    name: name,
-    parent: this
-  });
-  // start subtasks running
-  subtask.state = RUNNING;
-  subtask.type = this.type;
-  subtask.successCallback = this.successCallback || null;
-  subtask.failureCallback = this.failureCallback || null;
-
-  // queue a new subtask
-  this.subtasks.push(subtask);
-
-  return this;
-};
-
-/**
- * Adds subtasks to run in parallel after task.doNext() or task.fail()
- * is called.
- *
- * @param name human readable name for this task (optional).
- * @param subrun functions to run that take the current task as
- *          their first parameter.
- *
- * @return the current task (useful for chaining next() calls).
- */
-Task.prototype.parallel = function(name, subrun) {
-  // juggle parameters if it looks like no name is given
-  if(forge.util.isArray(name)) {
-    subrun = name;
-
-    // inherit parent's name
-    name = this.name;
-  }
-  // Wrap parallel tasks in a regular task so they are started at the
-  // proper time.
-  return this.next(name, function(task) {
-    // block waiting for subtasks
-    var ptask = task;
-    ptask.block(subrun.length);
-
-    // we pass the iterator from the loop below as a parameter
-    // to a function because it is otherwise included in the
-    // closure and changes as the loop changes -- causing i
-    // to always be set to its highest value
-    var startParallelTask = function(pname, pi) {
-      forge.task.start({
-        type: pname,
-        run: function(task) {
-           subrun[pi](task);
-        },
-        success: function(task) {
-           ptask.unblock();
-        },
-        failure: function(task) {
-           ptask.unblock();
-        }
-      });
-    };
-
-    for(var i = 0; i < subrun.length; i++) {
-      // Type must be unique so task starts in parallel:
-      //    name + private string + task id + sub-task index
-      // start tasks in parallel and unblock when the finish
-      var pname = name + '__parallel-' + task.id + '-' + i;
-      var pi = i;
-      startParallelTask(pname, pi);
-    }
-  });
-};
-
-/**
- * Stops a running task.
- */
-Task.prototype.stop = function() {
-  this.state = sStateTable[this.state][STOP];
-};
-
-/**
- * Starts running a task.
- */
-Task.prototype.start = function() {
-  this.error = false;
-  this.state = sStateTable[this.state][START];
-
-  // try to restart
-  if(this.state === RUNNING) {
-    this.start = new Date();
-    this.run(this);
-    runNext(this, 0);
-  }
-};
-
-/**
- * Blocks a task until it one or more permits have been released. The
- * task will not resume until the requested number of permits have
- * been released with call(s) to unblock().
- *
- * @param n number of permits to wait for(default: 1).
- */
-Task.prototype.block = function(n) {
-  n = typeof(n) === 'undefined' ? 1 : n;
-  this.blocks += n;
-  if(this.blocks > 0) {
-    this.state = sStateTable[this.state][BLOCK];
-  }
-};
-
-/**
- * Releases a permit to unblock a task. If a task was blocked by
- * requesting N permits via block(), then it will only continue
- * running once enough permits have been released via unblock() calls.
- *
- * If multiple processes need to synchronize with a single task then
- * use a condition variable (see forge.task.createCondition). It is
- * an error to unblock a task more times than it has been blocked.
- *
- * @param n number of permits to release (default: 1).
- *
- * @return the current block count (task is unblocked when count is 0)
- */
-Task.prototype.unblock = function(n) {
-  n = typeof(n) === 'undefined' ? 1 : n;
-  this.blocks -= n;
-  if(this.blocks === 0 && this.state !== DONE) {
-    this.state = RUNNING;
-    runNext(this, 0);
-  }
-  return this.blocks;
-};
-
-/**
- * Sleep for a period of time before resuming tasks.
- *
- * @param n number of milliseconds to sleep (default: 0).
- */
-Task.prototype.sleep = function(n) {
-  n = typeof(n) === 'undefined' ? 0 : n;
-  this.state = sStateTable[this.state][SLEEP];
-  var self = this;
-  this.timeoutId = setTimeout(function() {
-    self.timeoutId = null;
-    self.state = RUNNING;
-    runNext(self, 0);
-  }, n);
-};
-
-/**
- * Waits on a condition variable until notified. The next task will
- * not be scheduled until notification. A condition variable can be
- * created with forge.task.createCondition().
- *
- * Once cond.notify() is called, the task will continue.
- *
- * @param cond the condition variable to wait on.
- */
-Task.prototype.wait = function(cond) {
-  cond.wait(this);
-};
-
-/**
- * If sleeping, wakeup and continue running tasks.
- */
-Task.prototype.wakeup = function() {
-  if(this.state === SLEEPING) {
-    cancelTimeout(this.timeoutId);
-    this.timeoutId = null;
-    this.state = RUNNING;
-    runNext(this, 0);
-  }
-};
-
-/**
- * Cancel all remaining subtasks of this task.
- */
-Task.prototype.cancel = function() {
-  this.state = sStateTable[this.state][CANCEL];
-  // remove permits needed
-  this.permitsNeeded = 0;
-  // cancel timeouts
-  if(this.timeoutId !== null) {
-    cancelTimeout(this.timeoutId);
-    this.timeoutId = null;
-  }
-  // remove subtasks
-  this.subtasks = [];
-};
-
-/**
- * Finishes this task with failure and sets error flag. The entire
- * task will be aborted unless the next task that should execute
- * is passed as a parameter. This allows levels of subtasks to be
- * skipped. For instance, to abort only this tasks's subtasks, then
- * call fail(task.parent). To abort this task's subtasks and its
- * parent's subtasks, call fail(task.parent.parent). To abort
- * all tasks and simply call the task callback, call fail() or
- * fail(null).
- *
- * The task callback (success or failure) will always, eventually, be
- * called.
- *
- * @param next the task to continue at, or null to abort entirely.
- */
-Task.prototype.fail = function(next) {
-  // set error flag
-  this.error = true;
-
-  // finish task
-  finish(this, true);
-
-  if(next) {
-    // propagate task info
-    next.error = this.error;
-    next.swapTime = this.swapTime;
-    next.userData = this.userData;
-
-    // do next task as specified
-    runNext(next, 0);
-  } else {
-    if(this.parent !== null) {
-      // finish root task (ensures it is removed from task queue)
-      var parent = this.parent;
-      while(parent.parent !== null) {
-        // propagate task info
-        parent.error = this.error;
-        parent.swapTime = this.swapTime;
-        parent.userData = this.userData;
-        parent = parent.parent;
-      }
-      finish(parent, true);
-    }
-
-    // call failure callback if one exists
-    if(this.failureCallback) {
-      this.failureCallback(this);
-    }
-  }
-};
-
-/**
- * Asynchronously start a task.
- *
- * @param task the task to start.
- */
-var start = function(task) {
-  task.error = false;
-  task.state = sStateTable[task.state][START];
-  setTimeout(function() {
-    if(task.state === RUNNING) {
-      task.swapTime = +new Date();
-      task.run(task);
-      runNext(task, 0);
-    }
-  }, 0);
-};
-
-/**
- * Run the next subtask or finish this task.
- *
- * @param task the task to process.
- * @param recurse the recursion count.
- */
-var runNext = function(task, recurse) {
-  // get time since last context swap (ms), if enough time has passed set
-  // swap to true to indicate that doNext was performed asynchronously
-  // also, if recurse is too high do asynchronously
-  var swap =
-    (recurse > sMaxRecursions) ||
-    (+new Date() - task.swapTime) > sTimeSlice;
-
-  var doNext = function(recurse) {
-    recurse++;
-    if(task.state === RUNNING) {
-      if(swap) {
-        // update swap time
-        task.swapTime = +new Date();
-      }
-
-      if(task.subtasks.length > 0) {
-        // run next subtask
-        var subtask = task.subtasks.shift();
-        subtask.error = task.error;
-        subtask.swapTime = task.swapTime;
-        subtask.userData = task.userData;
-        subtask.run(subtask);
-        if(!subtask.error) {
-           runNext(subtask, recurse);
-        }
-      } else {
-        finish(task);
-
-        if(!task.error) {
-          // chain back up and run parent
-          if(task.parent !== null) {
-            // propagate task info
-            task.parent.error = task.error;
-            task.parent.swapTime = task.swapTime;
-            task.parent.userData = task.userData;
-
-            // no subtasks left, call run next subtask on parent
-            runNext(task.parent, recurse);
-          }
-        }
-      }
-    }
-  };
-
-  if(swap) {
-    // we're swapping, so run asynchronously
-    setTimeout(doNext, 0);
-  } else {
-    // not swapping, so run synchronously
-    doNext(recurse);
-  }
-};
-
-/**
- * Finishes a task and looks for the next task in the queue to start.
- *
- * @param task the task to finish.
- * @param suppressCallbacks true to suppress callbacks.
- */
-var finish = function(task, suppressCallbacks) {
-  // subtask is now done
-  task.state = DONE;
-
-  delete sTasks[task.id];
-  if(sVL >= 1) {
-    forge.log.verbose(cat, '[%s][%s] finish',
-      task.id, task.name, task);
-  }
-
-  // only do queue processing for root tasks
-  if(task.parent === null) {
-    // report error if queue is missing
-    if(!(task.type in sTaskQueues)) {
-      forge.log.error(cat,
-        '[%s][%s] task queue missing [%s]',
-        task.id, task.name, task.type);
-    } else if(sTaskQueues[task.type].length === 0) {
-      // report error if queue is empty
-      forge.log.error(cat,
-        '[%s][%s] task queue empty [%s]',
-        task.id, task.name, task.type);
-    } else if(sTaskQueues[task.type][0] !== task) {
-      // report error if this task isn't the first in the queue
-      forge.log.error(cat,
-        '[%s][%s] task not first in queue [%s]',
-        task.id, task.name, task.type);
-    } else {
-      // remove ourselves from the queue
-      sTaskQueues[task.type].shift();
-      // clean up queue if it is empty
-      if(sTaskQueues[task.type].length === 0) {
-        if(sVL >= 1) {
-          forge.log.verbose(cat, '[%s][%s] delete queue [%s]',
-            task.id, task.name, task.type);
-        }
-        /* Note: Only a task can delete a queue of its own type. This
-         is used as a way to synchronize tasks. If a queue for a certain
-         task type exists, then a task of that type is running.
-         */
-        delete sTaskQueues[task.type];
-      } else {
-        // dequeue the next task and start it
-        if(sVL >= 1) {
-          forge.log.verbose(cat,
-            '[%s][%s] queue start next [%s] remain:%s',
-            task.id, task.name, task.type,
-            sTaskQueues[task.type].length);
-        }
-        sTaskQueues[task.type][0].start();
-      }
-    }
-
-    if(!suppressCallbacks) {
-      // call final callback if one exists
-      if(task.error && task.failureCallback) {
-        task.failureCallback(task);
-      } else if(!task.error && task.successCallback) {
-        task.successCallback(task);
-      }
-    }
-  }
-};
-
-/* Tasks API */
-forge.task = forge.task || {};
-
-/**
- * Starts a new task that will run the passed function asynchronously.
- *
- * In order to finish the task, either task.doNext() or task.fail()
- * *must* be called.
- *
- * The task must have a type (a string identifier) that can be used to
- * synchronize it with other tasks of the same type. That type can also
- * be used to cancel tasks that haven't started yet.
- *
- * To start a task, the following object must be provided as a parameter
- * (each function takes a task object as its first parameter):
- *
- * {
- *   type: the type of task.
- *   run: the function to run to execute the task.
- *   success: a callback to call when the task succeeds (optional).
- *   failure: a callback to call when the task fails (optional).
- * }
- *
- * @param options the object as described above.
- */
-forge.task.start = function(options) {
-  // create a new task
-  var task = new Task({
-    run: options.run,
-    name: options.name || sNoTaskName
-  });
-  task.type = options.type;
-  task.successCallback = options.success || null;
-  task.failureCallback = options.failure || null;
-
-  // append the task onto the appropriate queue
-  if(!(task.type in sTaskQueues)) {
-    if(sVL >= 1) {
-      forge.log.verbose(cat, '[%s][%s] create queue [%s]',
-        task.id, task.name, task.type);
-    }
-    // create the queue with the new task
-    sTaskQueues[task.type] = [task];
-    start(task);
-  } else {
-    // push the task onto the queue, it will be run after a task
-    // with the same type completes
-    sTaskQueues[options.type].push(task);
-  }
-};
-
-/**
- * Cancels all tasks of the given type that haven't started yet.
- *
- * @param type the type of task to cancel.
- */
-forge.task.cancel = function(type) {
-  // find the task queue
-  if(type in sTaskQueues) {
-    // empty all but the current task from the queue
-    sTaskQueues[type] = [sTaskQueues[type][0]];
-  }
-};
-
-/**
- * Creates a condition variable to synchronize tasks. To make a task wait
- * on the condition variable, call task.wait(condition). To notify all
- * tasks that are waiting, call condition.notify().
- *
- * @return the condition variable.
- */
-forge.task.createCondition = function() {
-  var cond = {
-    // all tasks that are blocked
-    tasks: {}
-  };
-
-  /**
-   * Causes the given task to block until notify is called. If the task
-   * is already waiting on this condition then this is a no-op.
-   *
-   * @param task the task to cause to wait.
-   */
-  cond.wait = function(task) {
-    // only block once
-    if(!(task.id in cond.tasks)) {
-       task.block();
-       cond.tasks[task.id] = task;
-    }
-  };
-
-  /**
-   * Notifies all waiting tasks to wake up.
-   */
-  cond.notify = function() {
-    // since unblock() will run the next task from here, make sure to
-    // clear the condition's blocked task list before unblocking
-    var tmp = cond.tasks;
-    cond.tasks = {};
-    for(var id in tmp) {
-      tmp[id].unblock();
-    }
-  };
-
-  return cond;
-};
-
-} // end module implementation
-
-/* ########## Begin module wrapper ########## */
-var name = 'task';
-if(typeof define !== 'function') {
-  // NodeJS -> AMD
-  if(typeof module === 'object' && module.exports) {
-    var nodeJS = true;
-    define = function(ids, factory) {
-      factory(require, module);
-    };
-  } else {
-    // <script>
-    if(typeof forge === 'undefined') {
-      forge = {};
-    }
-    return initModule(forge);
-  }
-}
-// AMD
-var deps;
-var defineFunc = function(require, module) {
-  module.exports = function(forge) {
-    var mods = deps.map(function(dep) {
-      return require(dep);
-    }).concat(initModule);
-    // handle circular dependencies
-    forge = forge || {};
-    forge.defined = forge.defined || {};
-    if(forge.defined[name]) {
-      return forge[name];
-    }
-    forge.defined[name] = true;
-    for(var i = 0; i < mods.length; ++i) {
-      mods[i](forge);
-    }
-    return forge[name];
-  };
-};
-var tmpDefine = define;
-define = function(ids, factory) {
-  deps = (typeof ids === 'string') ? factory.slice(2) : ids.slice(2);
-  if(nodeJS) {
-    delete define;
-    return tmpDefine.apply(null, Array.prototype.slice.call(arguments, 0));
-  }
-  define = tmpDefine;
-  return define.apply(null, Array.prototype.slice.call(arguments, 0));
-};
-define(['require', 'module', './debug', './log', './util'], function() {
-  defineFunc.apply(null, Array.prototype.slice.call(arguments, 0));
-});
-})();