Add xterm.js

webadmin/src/3rdparty/xterm/addons/attach/attach.js

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+/**
+ * Implements the attach method, that attaches the terminal to a WebSocket stream.
+ * @module xterm/addons/attach/attach
+ * @license MIT
+ */
+
+(function (attach) {
+  if (typeof exports === 'object' && typeof module === 'object') {
+    /*
+     * CommonJS environment
+     */
+    module.exports = attach(require('../../xterm'));
+  } else if (typeof define == 'function') {
+    /*
+     * Require.js is available
+     */
+    define(['../../xterm'], attach);
+  } else {
+    /*
+     * Plain browser environment
+     */
+    attach(window.Terminal);
+  }
+})(function (Xterm) {
+  'use strict';
+
+  var exports = {};
+
+  /**
+   * Attaches the given terminal to the given socket.
+   *
+   * @param {Xterm} term - The terminal to be attached to the given socket.
+   * @param {WebSocket} socket - The socket to attach the current terminal.
+   * @param {boolean} bidirectional - Whether the terminal should send data
+   *                                  to the socket as well.
+   * @param {boolean} buffered - Whether the rendering of incoming data
+   *                             should happen instantly or at a maximum
+   *                             frequency of 1 rendering per 10ms.
+   */
+  exports.attach = function (term, socket, bidirectional, buffered) {
+    bidirectional = (typeof bidirectional == 'undefined') ? true : bidirectional;
+    term.socket = socket;
+
+    term._flushBuffer = function () {
+      term.write(term._attachSocketBuffer);
+      term._attachSocketBuffer = null;
+      clearTimeout(term._attachSocketBufferTimer);
+      term._attachSocketBufferTimer = null;
+    };
+
+    term._pushToBuffer = function (data) {
+      if (term._attachSocketBuffer) {
+        term._attachSocketBuffer += data;
+      } else {
+        term._attachSocketBuffer = data;
+        setTimeout(term._flushBuffer, 10);
+      }
+    };
+
+    term._getMessage = function (ev) {
+      if (buffered) {
+        term._pushToBuffer(ev.data);
+      } else {
+        term.write(ev.data);
+      }
+    };
+
+    term._sendData = function (data) {
+      socket.send(data);
+    };
+
+    socket.addEventListener('message', term._getMessage);
+
+    if (bidirectional) {
+      term.on('data', term._sendData);
+    }
+
+    socket.addEventListener('close', term.detach.bind(term, socket));
+    socket.addEventListener('error', term.detach.bind(term, socket));
+  };
+
+  /**
+   * Detaches the given terminal from the given socket
+   *
+   * @param {Xterm} term - The terminal to be detached from the given socket.
+   * @param {WebSocket} socket - The socket from which to detach the current
+   *                             terminal.
+   */
+  exports.detach = function (term, socket) {
+    term.off('data', term._sendData);
+
+    socket = (typeof socket == 'undefined') ? term.socket : socket;
+
+    if (socket) {
+      socket.removeEventListener('message', term._getMessage);
+    }
+
+    delete term.socket;
+  };
+
+  /**
+   * Attaches the current terminal to the given socket
+   *
+   * @param {WebSocket} socket - The socket to attach the current terminal.
+   * @param {boolean} bidirectional - Whether the terminal should send data
+   *                                  to the socket as well.
+   * @param {boolean} buffered - Whether the rendering of incoming data
+   *                             should happen instantly or at a maximum
+   *                             frequency of 1 rendering per 10ms.
+   */
+  Xterm.prototype.attach = function (socket, bidirectional, buffered) {
+    return exports.attach(this, socket, bidirectional, buffered);
+  };
+
+  /**
+   * Detaches the current terminal from the given socket.
+   *
+   * @param {WebSocket} socket - The socket from which to detach the current
+   *                             terminal.
+   */
+  Xterm.prototype.detach = function (socket) {
+    return exports.detach(this, socket);
+  };
+
+  return exports;
+});

webadmin/src/3rdparty/xterm/addons/fit/fit.js

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+/**
+ * Fit terminal columns and rows to the dimensions of its DOM element.
+ *
+ * ## Approach
+ * - Rows: Truncate the division of the terminal parent element height by the terminal row height.
+ *
+ * - Columns: Truncate the division of the terminal parent element width by the terminal character
+ * width (apply display: inline at the terminal row and truncate its width with the current
+ * number of columns).
+ * @module xterm/addons/fit/fit
+ * @license MIT
+ */
+
+(function (fit) {
+  if (typeof exports === 'object' && typeof module === 'object') {
+    /*
+     * CommonJS environment
+     */
+    module.exports = fit(require('../../xterm'));
+  } else if (typeof define == 'function') {
+    /*
+     * Require.js is available
+     */
+    define(['../../xterm'], fit);
+  } else {
+    /*
+     * Plain browser environment
+     */
+    fit(window.Terminal);
+  }
+})(function (Xterm) {
+  var exports = {};
+
+  exports.proposeGeometry = function (term) {
+    if (!term.element.parentElement) {
+      return null;
+    }
+    var parentElementStyle = window.getComputedStyle(term.element.parentElement),
+        parentElementHeight = parseInt(parentElementStyle.getPropertyValue('height')),
+        parentElementWidth = Math.max(0, parseInt(parentElementStyle.getPropertyValue('width')) - 17),
+        elementStyle = window.getComputedStyle(term.element),
+        elementPaddingVer = parseInt(elementStyle.getPropertyValue('padding-top')) + parseInt(elementStyle.getPropertyValue('padding-bottom')),
+        elementPaddingHor = parseInt(elementStyle.getPropertyValue('padding-right')) + parseInt(elementStyle.getPropertyValue('padding-left')),
+        availableHeight = parentElementHeight - elementPaddingVer,
+        availableWidth = parentElementWidth - elementPaddingHor,
+        container = term.rowContainer,
+        subjectRow = term.rowContainer.firstElementChild,
+        contentBuffer = subjectRow.innerHTML,
+        characterHeight,
+        rows,
+        characterWidth,
+        cols,
+        geometry;
+
+    subjectRow.style.display = 'inline';
+    subjectRow.innerHTML = 'W'; // Common character for measuring width, although on monospace
+    characterWidth = subjectRow.getBoundingClientRect().width;
+    subjectRow.style.display = ''; // Revert style before calculating height, since they differ.
+    characterHeight = subjectRow.getBoundingClientRect().height;
+    subjectRow.innerHTML = contentBuffer;
+
+    rows = parseInt(availableHeight / characterHeight);
+    cols = parseInt(availableWidth / characterWidth);
+
+    geometry = {cols: cols, rows: rows};
+    return geometry;
+  };
+
+  exports.fit = function (term) {
+    var geometry = exports.proposeGeometry(term);
+
+    if (geometry) {
+      term.resize(geometry.cols, geometry.rows);
+    }
+  };
+
+  Xterm.prototype.proposeGeometry = function () {
+    return exports.proposeGeometry(this);
+  };
+
+  Xterm.prototype.fit = function () {
+    return exports.fit(this);
+  };
+
+  return exports;
+});

webadmin/src/3rdparty/xterm/addons/fullscreen/fullscreen.css

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+.xterm.fullscreen {
+    position: fixed;
+    top: 0;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    width: auto;
+    height: auto;
+    z-index: 255;
+}

webadmin/src/3rdparty/xterm/addons/fullscreen/fullscreen.js

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+/**
+ * Fullscreen addon for xterm.js
+ * @module xterm/addons/fullscreen/fullscreen
+ * @license MIT
+ */
+(function (fullscreen) {
+  if (typeof exports === 'object' && typeof module === 'object') {
+    /*
+     * CommonJS environment
+     */
+    module.exports = fullscreen(require('../../xterm'));
+  } else if (typeof define == 'function') {
+    /*
+     * Require.js is available
+     */
+    define(['../../xterm'], fullscreen);
+  } else {
+    /*
+     * Plain browser environment
+     */
+    fullscreen(window.Terminal);
+  }
+})(function (Xterm) {
+  var exports = {};
+
+  /**
+   * Toggle the given terminal's fullscreen mode.
+   * @param {Xterm} term - The terminal to toggle full screen mode
+   * @param {boolean} fullscreen - Toggle fullscreen on (true) or off (false)
+   */
+  exports.toggleFullScreen = function (term, fullscreen) {
+    var fn;
+
+    if (typeof fullscreen == 'undefined') {
+      fn = (term.element.classList.contains('fullscreen')) ? 'remove' : 'add';
+    } else if (!fullscreen) {
+      fn = 'remove';
+    } else {
+      fn = 'add';
+    }
+
+    term.element.classList[fn]('fullscreen');
+  };
+
+  Xterm.prototype.toggleFullscreen = function (fullscreen) {
+    exports.toggleFullScreen(this, fullscreen);
+  };
+
+  return exports;
+});

webadmin/src/3rdparty/xterm/addons/linkify/linkify.js

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+/**
+ * Methods for turning URL subscrings in the terminal's content into links (`a` DOM elements).
+ * @module xterm/addons/linkify/linkify
+ * @license MIT
+ */
+
+(function (linkify) {
+  if (typeof exports === 'object' && typeof module === 'object') {
+    /*
+     * CommonJS environment
+     */
+    module.exports = linkify(require('../../xterm'));
+  } else if (typeof define == 'function') {
+    /*
+     * Require.js is available
+     */
+    define(['../../xterm'], linkify);
+  } else {
+    /*
+     * Plain browser environment
+     */
+    linkify(window.Terminal);
+  }
+})(function (Xterm) {
+  'use strict';
+
+  var exports = {},
+      protocolClause = '(https?:\\/\\/)',
+      domainCharacterSet = '[\\da-z\\.-]+',
+      negatedDomainCharacterSet = '[^\\da-z\\.-]+',
+      domainBodyClause = '(' + domainCharacterSet + ')',
+      tldClause = '([a-z\\.]{2,6})',
+      ipClause = '((\\d{1,3}\\.){3}\\d{1,3})',
+      portClause = '(:\\d{1,5})',
+      hostClause = '((' + domainBodyClause + '\\.' + tldClause + ')|' + ipClause + ')' + portClause + '?',
+      pathClause = '(\\/[\\/\\w\\.-]*)*',
+      negatedPathCharacterSet = '[^\\/\\w\\.-]+',
+      bodyClause = hostClause + pathClause,
+      start = '(?:^|' + negatedDomainCharacterSet + ')(',
+      end = ')($|' + negatedPathCharacterSet + ')',
+      lenientUrlClause = start + protocolClause + '?' + bodyClause + end,
+      strictUrlClause = start + protocolClause + bodyClause + end,
+      lenientUrlRegex = new RegExp(lenientUrlClause),
+      strictUrlRegex = new RegExp(strictUrlClause);
+
+  /**
+   * Converts all valid URLs found in the given terminal line into
+   * hyperlinks. The terminal line can be either the HTML element itself
+   * or the index of the termina line in the children of the terminal
+   * rows container.
+   *
+   * @param {Xterm} terminal - The terminal that owns the given line.
+   * @param {number|HTMLDivElement} line - The terminal line that should get
+   *								  		 "linkified".
+   * @param {boolean} lenient - The regex type that will be used to identify links. If lenient is
+   *                            false, the regex requires a protocol clause. Defaults to true.
+   * @param {string} target -  Sets target="" attribute with value provided to links.
+   *                           Default doesn't set target attribute
+   * @emits linkify
+   * @emits linkify:line
+   */
+  exports.linkifyTerminalLine = function (terminal, line, lenient, target) {
+    if (typeof line == 'number') {
+      line = terminal.rowContainer.children[line];
+    } else if (! (line instanceof HTMLDivElement)) {
+      var message = 'The "line" argument should be either a number';
+      message += ' or an HTMLDivElement';
+
+      throw new TypeError(message);
+    }
+
+    if (typeof target === 'undefined') {
+      target = '';
+    } else {
+      target = 'target="' + target + '"';
+    }
+
+    var buffer = document.createElement('span'),
+        nodes = line.childNodes;
+
+    for (var j=0; j<nodes.length; j++) {
+      var node = nodes[j],
+          match;
+
+      /**
+       * Since we cannot access the TextNode's HTML representation
+       * from the instance itself, we assign its data as textContent
+       * to a dummy buffer span, in order to retrieve the TextNode's
+       * HTML representation from the buffer's innerHTML.
+       */
+      buffer.textContent = node.data;
+
+      var nodeHTML = buffer.innerHTML;
+
+      /**
+       * Apply function only on TextNodes
+       */
+      if (node.nodeType != node.TEXT_NODE) {
+        continue;
+      }
+
+      var url = exports.findLinkMatch(node.data, lenient);
+
+      if (!url) {
+        continue;
+      }
+
+      var startsWithProtocol = new RegExp('^' + protocolClause),
+          urlHasProtocol = url.match(startsWithProtocol),
+          href = (urlHasProtocol) ? url : 'http://' + url,
+          link = '<a href="' +  href + '" ' + target + '>' + url + '</a>',
+          newHTML = nodeHTML.replace(url, link);
+
+      line.innerHTML = line.innerHTML.replace(nodeHTML, newHTML);
+    }
+
+    /**
+     * This event gets emitted when conversion of all URL susbtrings
+     * to HTML anchor elements (links) has finished, for a specific
+     * line of the current Xterm instance.
+     *
+     * @event linkify:line
+     */
+    terminal.emit('linkify:line', line);
+  };
+
+  /**
+   * Finds a link within a block of text.
+   *
+   * @param {string} text - The text to search .
+   * @param {boolean} lenient - Whether to use the lenient search.
+   * @return {string} A URL.
+   */
+  exports.findLinkMatch = function (text, lenient) {
+    var match = text.match(lenient ? lenientUrlRegex : strictUrlRegex);
+    if (!match || match.length === 0) {
+      return null;
+    }
+    return match[1];
+  }
+
+  /**
+   * Converts all valid URLs found in the terminal view into hyperlinks.
+   *
+   * @param {Xterm} terminal - The terminal that should get "linkified".
+   * @param {boolean} lenient - The regex type that will be used to identify links. If lenient is
+   *                            false, the regex requires a protocol clause. Defaults to true.
+   * @param {string} target -  Sets target="" attribute with value provided to links.
+   *                           Default doesn't set target attribute
+   * @emits linkify
+   * @emits linkify:line
+   */
+  exports.linkify = function (terminal, lenient, target) {
+    var rows = terminal.rowContainer.children;
+
+    lenient = (typeof lenient == "boolean") ? lenient : true;
+    for (var i=0; i<rows.length; i++) {
+      var line = rows[i];
+
+      exports.linkifyTerminalLine(terminal, line, lenient, target);
+    }
+
+    /**
+     * This event gets emitted when conversion of  all URL substrings to
+     * HTML anchor elements (links) has finished for the current Xterm
+     * instance's view.
+     *
+     * @event linkify
+     */
+    terminal.emit('linkify');
+  };
+
+  /**
+   * Extend Xterm prototype.
+   */
+
+  /**
+   * Converts all valid URLs found in the current terminal linte into
+   * hyperlinks.
+   *
+   * @memberof Xterm
+   * @param {number|HTMLDivElement} line - The terminal line that should get
+   *								  		 "linkified".
+   * @param {boolean} lenient - The regex type that will be used to identify links. If lenient is
+   *                            false, the regex requires a protocol clause. Defaults to true.
+   * @param {string} target -  Sets target="" attribute with value provided to links.
+   *                           Default doesn't set target attribute
+   */
+  Xterm.prototype.linkifyTerminalLine = function (line, lenient, target) {
+    return exports.linkifyTerminalLine(this, line, lenient, target);
+  };
+
+  /**
+   * Converts all valid URLs found in the current terminal into hyperlinks.
+   *
+   * @memberof Xterm
+   * @param {boolean} lenient - The regex type that will be used to identify links. If lenient is
+   *                            false, the regex requires a protocol clause. Defaults to true.
+   * @param {string} target -  Sets target="" attribute with value provided to links.
+   *                           Default doesn't set target attribute
+   */
+  Xterm.prototype.linkify = function (lenient, target) {
+    return exports.linkify(this, lenient, target);
+  };
+
+  return exports;
+});

webadmin/src/3rdparty/xterm/addons/terminado/terminado.js

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+/**
+ * This module provides methods for attaching a terminal to a terminado WebSocket stream.
+ *
+ * @module xterm/addons/terminado/terminado
+ * @license MIT
+ */
+
+(function (attach) {
+  if (typeof exports === 'object' && typeof module === 'object') {
+    /*
+     * CommonJS environment
+     */
+    module.exports = attach(require('../../xterm'));
+  } else if (typeof define == 'function') {
+    /*
+     * Require.js is available
+     */
+    define(['../../xterm'], attach);
+  } else {
+    /*
+     * Plain browser environment
+     */
+    attach(window.Terminal);
+  }
+})(function (Xterm) {
+  'use strict';
+
+  var exports = {};
+
+  /**
+   * Attaches the given terminal to the given socket.
+   *
+   * @param {Xterm} term - The terminal to be attached to the given socket.
+   * @param {WebSocket} socket - The socket to attach the current terminal.
+   * @param {boolean} bidirectional - Whether the terminal should send data
+   *                                  to the socket as well.
+   * @param {boolean} buffered - Whether the rendering of incoming data
+   *                             should happen instantly or at a maximum
+   *                             frequency of 1 rendering per 10ms.
+   */
+  exports.terminadoAttach = function (term, socket, bidirectional, buffered) {
+    bidirectional = (typeof bidirectional == 'undefined') ? true : bidirectional;
+    term.socket = socket;
+
+    term._flushBuffer = function () {
+      term.write(term._attachSocketBuffer);
+      term._attachSocketBuffer = null;
+      clearTimeout(term._attachSocketBufferTimer);
+      term._attachSocketBufferTimer = null;
+    };
+
+    term._pushToBuffer = function (data) {
+      if (term._attachSocketBuffer) {
+        term._attachSocketBuffer += data;
+      } else {
+        term._attachSocketBuffer = data;
+        setTimeout(term._flushBuffer, 10);
+      }
+    };
+
+    term._getMessage = function (ev) {
+      var data = JSON.parse(ev.data)
+      if( data[0] == "stdout" ) {
+        if (buffered) {
+          term._pushToBuffer(data[1]);
+        } else {
+          term.write(data[1]);
+        }
+      }
+    };
+
+    term._sendData = function (data) {
+      socket.send(JSON.stringify(['stdin', data]));
+    };
+
+    term._setSize = function (size) {
+      socket.send(JSON.stringify(['set_size', size.rows, size.cols]));
+    };
+
+    socket.addEventListener('message', term._getMessage);
+
+    if (bidirectional) {
+      term.on('data', term._sendData);
+    }
+    term.on('resize', term._setSize);
+
+    socket.addEventListener('close', term.terminadoDetach.bind(term, socket));
+    socket.addEventListener('error', term.terminadoDetach.bind(term, socket));
+  };
+
+  /**
+   * Detaches the given terminal from the given socket
+   *
+   * @param {Xterm} term - The terminal to be detached from the given socket.
+   * @param {WebSocket} socket - The socket from which to detach the current
+   *                             terminal.
+   */
+  exports.terminadoDetach = function (term, socket) {
+    term.off('data', term._sendData);
+
+    socket = (typeof socket == 'undefined') ? term.socket : socket;
+
+    if (socket) {
+      socket.removeEventListener('message', term._getMessage);
+    }
+
+    delete term.socket;
+  };
+
+  /**
+   * Attaches the current terminal to the given socket
+   *
+   * @param {WebSocket} socket - The socket to attach the current terminal.
+   * @param {boolean} bidirectional - Whether the terminal should send data
+   *                                  to the socket as well.
+   * @param {boolean} buffered - Whether the rendering of incoming data
+   *                             should happen instantly or at a maximum
+   *                             frequency of 1 rendering per 10ms.
+   */
+  Xterm.prototype.terminadoAttach = function (socket, bidirectional, buffered) {
+    return exports.terminadoAttach(this, socket, bidirectional, buffered);
+  };
+
+  /**
+   * Detaches the current terminal from the given socket.
+   *
+   * @param {WebSocket} socket - The socket from which to detach the current
+   *                             terminal.
+   */
+  Xterm.prototype.terminadoDetach = function (socket) {
+    return exports.terminadoDetach(this, socket);
+  };
+
+  return exports;
+});