Merge pull request #2 from gchq/master

Current

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cyberchef",
-  "version": "5.7.3",
+  "version": "5.10.2",
   "description": "The Cyber Swiss Army Knife for encryption, encoding, compression and data analysis.",
   "author": "n1474335 <n1474335@gmail.com>",
   "homepage": "https://gchq.github.io/CyberChef",

src/core/Utils.js

@@ -259,6 +259,22 @@ const Utils = {
     },
 
 
+    /**
+     * Escape a string containing regex control characters so that it can be safely
+     * used in a regex without causing unintended behaviours.
+     *
+     * @param {string} str
+     * @returns {string}
+     *
+     * @example
+     * // returns "\[example\]"
+     * Utils.escapeRegex("[example]");
+     */
+    escapeRegex: function(str) {
+        return str.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
+    },
+
+
     /**
      * Expand an alphabet range string into a list of the characters in that range.
      *

src/core/config/Categories.js

@@ -126,6 +126,7 @@ const Categories = [
     {
         name: "Networking",
         ops: [
+            "HTTP request",
             "Strip HTTP headers",
             "Parse User Agent",
             "Parse IP range",
@@ -290,6 +291,8 @@ const Categories = [
             "Scan for Embedded Files",
             "Generate UUID",
             "Render Image",
+            "Remove EXIF",
+            "Extract EXIF",
             "Numberwang",
         ]
     },

src/core/config/OperationConfig.js

@@ -1919,7 +1919,7 @@ const OperationConfig = {
         args: []
     },
     "Find / Replace": {
-        description: "Replaces all occurrences of the first string with the second.<br><br>The three match options are only relevant to regex search strings.",
+        description: "Replaces all occurrences of the first string with the second.<br><br> Includes support for regular expressions (regex), simple strings and extended strings (which support \\n, \\r, \\t, \\b, \\f and escaped hex bytes using \\x notation, e.g. \\x00 for a null byte).",
         run: StrUtils.runFindReplace,
         manualBake: true,
         inputType: "string",
@@ -2231,7 +2231,7 @@ const OperationConfig = {
         ]
     },
     "From UNIX Timestamp": {
-        description: "Converts a UNIX timestamp to a datetime string.<br><br>e.g. <code>978346800</code> becomes <code>Mon 1 January 2001 11:00:00 UTC</code>",
+        description: "Converts a UNIX timestamp to a datetime string.<br><br>e.g. <code>978346800</code> becomes <code>Mon 1 January 2001 11:00:00 UTC</code><br><br>A UNIX timestamp is a 32-bit value representing the number of seconds since January 1, 1970 UTC (the UNIX epoch).",
         run: DateTime.runFromUnixTimestamp,
         inputType: "number",
         outputType: "string",
@@ -2244,7 +2244,7 @@ const OperationConfig = {
         ]
     },
     "To UNIX Timestamp": {
-        description: "Parses a datetime string in UTC and returns the corresponding UNIX timestamp.<br><br>e.g. <code>Mon 1 January 2001 11:00:00</code> becomes <code>978346800</code>",
+        description: "Parses a datetime string in UTC and returns the corresponding UNIX timestamp.<br><br>e.g. <code>Mon 1 January 2001 11:00:00</code> becomes <code>978346800</code><br><br>A UNIX timestamp is a 32-bit value representing the number of seconds since January 1, 1970 UTC (the UNIX epoch).",
         run: DateTime.runToUnixTimestamp,
         inputType: "string",
         outputType: "number",
@@ -2262,27 +2262,27 @@ const OperationConfig = {
         ]
     },
     "Windows Filetime to UNIX Timestamp":{
-        description: "Converts a Windows Filetime timestamp to a datetime format",
+        description: "Converts a Windows Filetime value to a UNIX timestamp.<br><br>A Windows Filetime is a 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601 UTC.<br><br>A UNIX timestamp is a 32-bit value representing the number of seconds since January 1, 1970 UTC (the UNIX epoch).<br><br>This operation also supports UNIX timestamps in milliseconds, microseconds and nanoseconds.",
         run: DateTime.runFromFiletimeToUnix,
         inputType: "string",
         outputType: "string",
         args: [
             {
-                name: "Output Units",
-                type: "Option",
+                name: "Output units",
+                type: "option",
                 value: DateTime.UNITS
             }
         ]
     },
     "UNIX Timestamp to Windows Filetime":{
-        description: "Parses a datetime string in UTC and returns the corresponding Windows Filetime timestamp",
+        description: "Converts a UNIX timestamp to a Windows Filetime value.<br><br>A Windows Filetime is a 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601 UTC.<br><br>A UNIX timestamp is a 32-bit value representing the number of seconds since January 1, 1970 UTC (the UNIX epoch).<br><br>This operation also supports UNIX timestamps in milliseconds, microseconds and nanoseconds.",
         run: DateTime.runToFiletimeFromUnix,
         inputType: "string",
         outputType: "string",
         args: [
             {
-                name: "Input Units",
-                type: "Option",
+                name: "Input units",
+                type: "option",
                 value: DateTime.UNITS
             }
         ]
@@ -3396,7 +3396,7 @@ const OperationConfig = {
             "<br><br>",
             "EXIF data from photos usually contains information about the image file itself as well as the device used to create it.",
         ].join("\n"),
-        run: Image.runEXIF,
+        run: Image.runExtractEXIF,
         inputType: "byteArray",
         outputType: "string",
         args: [],
@@ -3414,6 +3414,59 @@ const OperationConfig = {
             }
         ]
     },
+    "Remove EXIF": {
+        description: [
+            "Removes EXIF data from a JPEG image.",
+            "<br><br>",
+            "EXIF data embedded in photos usually contains information about the image file itself as well as the device used to create it.",
+        ].join("\n"),
+        run: Image.runRemoveEXIF,
+        inputType: "byteArray",
+        outputType: "byteArray",
+        args: []
+    },
+    "HTTP request": {
+        description: [
+            "Makes an HTTP request and returns the response.",
+            "<br><br>",
+            "This operation supports different HTTP verbs like GET, POST, PUT, etc.",
+            "<br><br>",
+            "You can add headers line by line in the format <code>Key: Value</code>",
+            "<br><br>",
+            "The status code of the response, along with a limited selection of exposed headers, can be viewed by checking the 'Show response metadata' option. Only a limited set of response headers are exposed by the browser for security reasons.",
+        ].join("\n"),
+        run: HTTP.runHTTPRequest,
+        inputType: "string",
+        outputType: "string",
+        manualBake: true,
+        args: [
+            {
+                name: "Method",
+                type: "option",
+                value: HTTP.METHODS,
+            },
+            {
+                name: "URL",
+                type: "string",
+                value: "",
+            },
+            {
+                name: "Headers",
+                type: "text",
+                value: "",
+            },
+            {
+                name: "Mode",
+                type: "option",
+                value: HTTP.MODE,
+            },
+            {
+                name: "Show response metadata",
+                type: "boolean",
+                value: false,
+            }
+        ]
+    },
 };
 
 export default OperationConfig;

src/core/lib/remove-exif.js

@@ -0,0 +1,153 @@
+/* piexifjs
+The MIT License (MIT)
+Copyright (c) 2014, 2015 hMatoba(https://github.com/hMatoba)
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+import Utils from "../Utils.js";
+
+// Param jpeg should be a binaryArray
+function removeEXIF(jpeg) {
+  // Convert binaryArray to char string
+  jpeg = Utils.byteArrayToChars(jpeg);
+  if (jpeg.slice(0, 2) != "\xff\xd8") {
+    throw ("Given data is not jpeg.");
+  }
+
+  var segments = splitIntoSegments(jpeg);
+  if (segments[1].slice(0, 2) == "\xff\xe1" &&
+    segments[1].slice(4, 10) == "Exif\x00\x00") {
+    segments = [segments[0]].concat(segments.slice(2));
+  } else if (segments[2].slice(0, 2) == "\xff\xe1" &&
+    segments[2].slice(4, 10) == "Exif\x00\x00") {
+    segments = segments.slice(0, 2).concat(segments.slice(3));
+  } else {
+    throw ("Exif not found.");
+  }
+
+  var new_data = segments.join("");
+
+  // Convert back to binaryArray
+  new_data = Utils.strToCharcode(new_data);
+
+  return new_data;
+};
+
+function splitIntoSegments(data) {
+  if (data.slice(0, 2) != "\xff\xd8") {
+    throw ("Given data isn't JPEG.");
+  }
+
+  var head = 2;
+  var segments = ["\xff\xd8"];
+  while (true) {
+    if (data.slice(head, head + 2) == "\xff\xda") {
+      segments.push(data.slice(head));
+      break;
+    } else {
+      var length = unpack(">H", data.slice(head + 2, head + 4))[0];
+      var endPoint = head + length + 2;
+      segments.push(data.slice(head, endPoint));
+      head = endPoint;
+    }
+
+    if (head >= data.length) {
+      throw ("Wrong JPEG data.");
+    }
+  }
+  return segments;
+}
+
+function unpack(mark, str) {
+  if (typeof(str) != "string") {
+    throw ("'unpack' error. Got invalid type argument.");
+  }
+  var l = 0;
+  for (var markPointer = 1; markPointer < mark.length; markPointer++) {
+    if (mark[markPointer].toLowerCase() == "b") {
+      l += 1;
+    } else if (mark[markPointer].toLowerCase() == "h") {
+      l += 2;
+    } else if (mark[markPointer].toLowerCase() == "l") {
+      l += 4;
+    } else {
+      throw ("'unpack' error. Got invalid mark.");
+    }
+  }
+
+  if (l != str.length) {
+    throw ("'unpack' error. Mismatch between symbol and string length. " + l + ":" + str.length);
+  }
+
+  var littleEndian;
+  if (mark[0] == "<") {
+    littleEndian = true;
+  } else if (mark[0] == ">") {
+    littleEndian = false;
+  } else {
+    throw ("'unpack' error.");
+  }
+  var unpacked = [];
+  var strPointer = 0;
+  var p = 1;
+  var val = null;
+  var c = null;
+  var length = null;
+  var sliced = "";
+
+  while (c = mark[p]) {
+    if (c.toLowerCase() == "b") {
+      length = 1;
+      sliced = str.slice(strPointer, strPointer + length);
+      val = sliced.charCodeAt(0);
+      if ((c == "b") && (val >= 0x80)) {
+        val -= 0x100;
+      }
+    } else if (c == "H") {
+      length = 2;
+      sliced = str.slice(strPointer, strPointer + length);
+      if (littleEndian) {
+        sliced = sliced.split("").reverse().join("");
+      }
+      val = sliced.charCodeAt(0) * 0x100 +
+        sliced.charCodeAt(1);
+    } else if (c.toLowerCase() == "l") {
+      length = 4;
+      sliced = str.slice(strPointer, strPointer + length);
+      if (littleEndian) {
+        sliced = sliced.split("").reverse().join("");
+      }
+      val = sliced.charCodeAt(0) * 0x1000000 +
+        sliced.charCodeAt(1) * 0x10000 +
+        sliced.charCodeAt(2) * 0x100 +
+        sliced.charCodeAt(3);
+      if ((c == "l") && (val >= 0x80000000)) {
+        val -= 0x100000000;
+      }
+    } else {
+      throw ("'unpack' error. " + c);
+    }
+
+    unpacked.push(val);
+    strPointer += length;
+    p += 1;
+  }
+
+  return unpacked;
+}
+
+export default removeEXIF;

src/core/operations/DateTime.js

@@ -81,11 +81,11 @@ const DateTime = {
 
 
     /**
-     * Converts a Windows FILETIME to Unix Epoch time.
+     * Windows Filetime to Unix Timestamp operation.
      *
      * @author bwhitn [brian.m.whitney@outlook.com]
      * @param {string} input
-     * @param {Object[]} args (not used)
+     * @param {Object[]} args
      * @returns {string}
      */
     runFromFiletimeToUnix: function(input, args) {
@@ -107,11 +107,11 @@ const DateTime = {
 
 
     /**
-     * Converts a Unix Epoch time to Windows FILETIME.
+     * Unix Timestamp to Windows Filetime operation.
      *
      * @author bwhitn [brian.m.whitney@outlook.com]
      * @param {string} input
-     * @param {Object[]} args (not used)
+     * @param {Object[]} args
      * @returns {string}
      */
     runToFiletimeFromUnix: function(input, args) {

src/core/operations/HTTP.js

@@ -12,6 +12,17 @@ import {UAS_parser as UAParser} from "../lib/uas_parser.js";
  */
 const HTTP = {
 
+    /**
+     * @constant
+     * @default
+     */
+    METHODS: [
+        "GET", "POST", "HEAD",
+        "PUT", "PATCH", "DELETE",
+        "CONNECT", "TRACE", "OPTIONS"
+    ],
+
+
     /**
      * Strip HTTP headers operation.
      *
@@ -51,6 +62,95 @@ const HTTP = {
             "Device Type: " + ua.deviceType + "\n";
     },
 
+
+    /**
+     * @constant
+     * @default
+     */
+    MODE: [
+        "Cross-Origin Resource Sharing",
+        "No CORS (limited to HEAD, GET or POST)",
+    ],
+
+    /**
+     * Lookup table for HTTP modes
+     *
+     * @private
+     * @constant
+     */
+    _modeLookup: {
+        "Cross-Origin Resource Sharing": "cors",
+        "No CORS (limited to HEAD, GET or POST)": "no-cors",
+    },
+
+    /**
+     * HTTP request operation.
+     *
+     * @author tlwr [toby@toby.codes]
+     * @author n1474335 [n1474335@gmail.com]
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    runHTTPRequest(input, args) {
+        const method = args[0],
+            url = args[1],
+            headersText = args[2],
+            mode = args[3],
+            showResponseMetadata = args[4];
+
+        if (url.length === 0) return "";
+
+        let headers = new Headers();
+        headersText.split(/\r?\n/).forEach(line => {
+            line = line.trim();
+
+            if (line.length === 0) return;
+
+            let split = line.split(":");
+            if (split.length !== 2) throw `Could not parse header in line: ${line}`;
+
+            headers.set(split[0].trim(), split[1].trim());
+        });
+
+        let config = {
+            method: method,
+            headers: headers,
+            mode: HTTP._modeLookup[mode],
+            cache: "no-cache",
+        };
+
+        if (method !== "GET" && method !== "HEAD") {
+            config.body = input;
+        }
+
+        return fetch(url, config)
+        .then(r => {
+            if (r.status === 0 && r.type === "opaque") {
+                return "Error: Null response. Try setting the connection mode to CORS.";
+            }
+
+            if (showResponseMetadata) {
+                let headers = "";
+                for (let pair of r.headers.entries()) {
+                    headers += "    " + pair[0] + ": " + pair[1] + "\n";
+                }
+                return r.text().then(b => {
+                    return "####\n  Status: " + r.status + " " + r.statusText +
+                        "\n  Exposed headers:\n" + headers + "####\n\n" + b;
+                });
+            }
+            return r.text();
+        })
+        .catch(e => {
+            return e.toString() +
+                "\n\nThis error could be caused by one of the following:\n" +
+                " - An invalid URL\n" +
+                " - Making a request to an insecure resource (HTTP) from a secure source (HTTPS)\n" +
+                " - Making a cross-origin request to a server which does not support CORS\n";
+        });
+    },
+
 };
 
 export default HTTP;

src/core/operations/Image.js

@@ -1,4 +1,5 @@
 import * as ExifParser from "exif-parser";
+import removeEXIF from "../lib/remove-exif.js";
 import Utils from "../Utils.js";
 import FileType from "./FileType.js";
 
@@ -23,7 +24,7 @@ const Image = {
      * @param {Object[]} args
      * @returns {string}
      */
-    runEXIF(input, args) {
+    runExtractEXIF(input, args) {
         try {
             const bytes = Uint8Array.from(input);
             const parser = ExifParser.create(bytes.buffer);
@@ -44,6 +45,30 @@ const Image = {
     },
 
 
+    /**
+     * Remove EXIF operation.
+     *
+     * Removes EXIF data from a byteArray, representing a JPG.
+     *
+     * @author David Moodie [davidmoodie12@gmail.com]
+     * @param {byteArray} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    runRemoveEXIF(input, args) {
+        // Do nothing if input is empty
+        if (input.length === 0) return input;
+
+        try {
+            return removeEXIF(input);
+        } catch (err) {
+            // Simply return input if no EXIF data is found
+            if (err === "Exif not found.") return input;
+            throw "Could not remove EXIF data from image: " + err;
+        }
+    },
+
+
     /**
      * @constant
      * @default

src/core/operations/StrUtils.js

@@ -227,14 +227,16 @@ const StrUtils = {
 
         if (type === "Regex") {
             find = new RegExp(find, modifiers);
-        } else if (type.indexOf("Extended") === 0) {
+            return input.replace(find, replace);
+        }
+
+        if (type.indexOf("Extended") === 0) {
             find = Utils.parseEscapedChars(find);
         }
 
-        return input.replace(find, replace, modifiers);
-        // Non-standard addition of flags in the third argument. This will work in Firefox but
-        // probably nowhere else. The purpose is to allow global matching when the `find` parameter
-        // is just a string.
+        find = new RegExp(Utils.escapeRegex(find), modifiers);
+
+        return input.replace(find, replace);
     },
 
 

src/web/App.js

@@ -21,21 +21,22 @@ import Split from "split.js";
  * @param {Object} options - Default setting for app options.
  */
 const App = function(categories, operations, defaultFavourites, defaultOptions) {
-    this.categories  = categories;
-    this.operations  = operations;
-    this.dfavourites = defaultFavourites;
-    this.doptions    = defaultOptions;
-    this.options     = Utils.extend({}, defaultOptions);
+    this.categories    = categories;
+    this.operations    = operations;
+    this.dfavourites   = defaultFavourites;
+    this.doptions      = defaultOptions;
+    this.options       = Utils.extend({}, defaultOptions);
 
-    this.chef        = new Chef();
-    this.manager     = new Manager(this);
+    this.chef          = new Chef();
+    this.manager       = new Manager(this);
 
-    this.baking      = false;
-    this.autoBake_   = false;
-    this.progress    = 0;
-    this.ingId       = 0;
+    this.baking        = false;
+    this.autoBake_     = false;
+    this.autoBakePause = false;
+    this.progress      = 0;
+    this.ingId         = 0;
 
-    window.chef      = this.chef;
+    window.chef        = this.chef;
 };
 
 
@@ -166,7 +167,7 @@ App.prototype.bake = async function(step) {
  * Runs Auto Bake if it is set.
  */
 App.prototype.autoBake = function() {
-    if (this.autoBake_) {
+    if (this.autoBake_ && !this.autoBakePause) {
         this.bake();
     }
 };
@@ -413,9 +414,9 @@ App.prototype.loadURIParams = function() {
         return b;
     })(window.location.search.substr(1).split("&"));
 
-    // Turn off auto-bake while loading
-    const autoBakeVal = this.autoBake_;
-    this.autoBake_ = false;
+    // Pause auto-bake while loading but don't modify `this.autoBake_`
+    // otherwise `manualBake` cannot trigger.
+    this.autoBakePause = true;
 
     // Read in recipe from query string
     if (this.queryString.recipe) {
@@ -451,8 +452,8 @@ App.prototype.loadURIParams = function() {
         } catch (err) {}
     }
 
-    // Restore auto-bake state
-    this.autoBake_ = autoBakeVal;
+    // Unpause auto-bake
+    this.autoBakePause = false;
     this.autoBake();
 };
 

src/web/RecipeWaiter.js

@@ -354,8 +354,7 @@ RecipeWaiter.prototype.buildRecipeOperation = function(el) {
         el.classList.add("flow-control-op");
     }
 
-    // Disable auto-bake if this is a manual op - this should be moved to the 'operationadd'
-    // handler after event restructuring
+    // Disable auto-bake if this is a manual op
     if (op.manualBake && this.app.autoBake_) {
         this.manager.controls.setAutoBake(false);
         this.app.alert("Auto-Bake is disabled by default when using this operation.", "info", 5000);

src/web/html/index.html

@@ -35,7 +35,7 @@
             // Load theme before the preloader is shown
             document.querySelector(":root").className = JSON.parse(localStorage.getItem("options")).theme;
 
-            // Cycle loading messages
+            // Define loading messages
             const loadingMsgs = [
                 "Proving P = NP...",
                 "Computing 6 x 9...",
@@ -49,15 +49,28 @@
                 "Navigating neural network...",
                 "Importing machine learning..."
             ];
+
+            // Shuffle array using Durstenfeld algorithm
+            for (let i = loadingMsgs.length - 1; i > 0; --i) {
+                const j = Math.floor(Math.random() * (i + 1));
+                const temp = loadingMsgs[i];
+                loadingMsgs[i] = loadingMsgs[j];
+                loadingMsgs[j] = temp;
+            }
+
+            // Show next loading message then move it to the end of the array
             function changeLoadingMsg() {
+                const msg = loadingMsgs.shift();
                 try {
                     const el = document.getElementById("preloader-msg");
                     el.className = "loading"; // Causes CSS transition on first message
-                    el.innerHTML = loadingMsgs[Math.floor(Math.random()*loadingMsgs.length)];
-                } catch (err) {}
+                    el.innerHTML = msg;
+                } catch (err) {} // Ignore errors if DOM not yet ready
+                loadingMsgs.push(msg);
             }
+
             changeLoadingMsg();
-            window.loadingMsgsInt = setInterval(changeLoadingMsg, (Math.random()*500) + 500);
+            window.loadingMsgsInt = setInterval(changeLoadingMsg, (Math.random() * 1000) + 1000);
         </script>
     </head>
     <body>

test/tests/operations/Image.js

@@ -126,4 +126,53 @@ TestRegister.addTests([
             },
         ],
     },
+    {
+        name: "Remove EXIF: hello world text (error)",
+        input: "hello world",
+        expectedError: true,
+        recipeConfig: [
+            {
+                op: "Remove EXIF",
+                args: [],
+            },
+        ],
+    },
+    {
+        name: "Remove EXIF: meerkat jpeg (has EXIF)",
+        input: "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 truncated
+        expectedOutput: "Found 0 tags.\n",
+        recipeConfig: [
+            {
+                op: "From Hex",
+                args: ["None"]
+            },
+            {
+                op: "Remove EXIF",
+                args: [],
+            },
+            {
+                op: "Extract EXIF",
+                args: [],
+            },
+        ],
+    },
+    {
+        name: "Extract EXIF: avatar jpeg (has no EXIF)",
+        input: "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 truncated
+        expectedOutput: "Found 0 tags.\n",
+        recipeConfig: [
+            {
+                op: "From Hex",
+                args: ["None"]
+            },
+            {
+                op: "Remove EXIF",
+                args: [],
+            },
+            {
+                op: "Extract EXIF",
+                args: [],
+            },
+        ],
+    },
 ]);