9.7.5

.github/ISSUE_TEMPLATE/bug-report.md

@@ -0,0 +1,33 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: 'Bug report: <Insert title here>'
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behaviour or a link to the recipe / input used to cause the bug:
+
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behaviour**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (if relevant, please complete the following information):**
+ - OS: [e.g. Windows] 
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -32,4 +32,3 @@ If applicable, add screenshots to help explain your problem.
 
 **Additional context**
 Add any other context about the problem here.
-

.github/ISSUE_TEMPLATE/feature_request.md

@@ -6,9 +6,9 @@ labels: feature
 assignees: ''
 
 ---
-<!-- Prefix the title above with 'Feature request:' -->
+
 **Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+A clear and concise description of what the problem is. E.g. I'm always frustrated when [...]
 
 **Describe the solution you'd like**
 A clear and concise description of what you want to happen.

.github/ISSUE_TEMPLATE/operation-request.md

@@ -7,8 +7,6 @@ assignees: ''
 
 ---
 
-<!-- Prefix the title above with 'Operation request:' -->
-
 ## Summary
 
 ### Example Input

CHANGELOG.md

@@ -2,6 +2,9 @@
 All major and minor version changes will be documented in this file. Details of patch-level version changes can be found in [commit messages](https://github.com/gchq/CyberChef/commits/master).
 
 
+### [9.7.0] - 2019-09-13
+- 'Optical Character Recognition' operation added [@MShwed] [@n1474335] | [#632]
+
 ### [9.6.0] - 2019-09-04
 - 'Bacon Cipher Encode' and 'Bacon Cipher Decode' operations added [@kassi] | [#500]
 
@@ -182,6 +185,7 @@ All major and minor version changes will be documented in this file. Details of
 
 
 
+[9.7.0]: https://github.com/gchq/CyberChef/releases/tag/v9.7.0
 [9.6.0]: https://github.com/gchq/CyberChef/releases/tag/v9.6.0
 [9.5.0]: https://github.com/gchq/CyberChef/releases/tag/v9.5.0
 [9.4.0]: https://github.com/gchq/CyberChef/releases/tag/v9.4.0
@@ -317,3 +321,4 @@ All major and minor version changes will be documented in this file. Details of
 [#614]: https://github.com/gchq/CyberChef/pull/614
 [#625]: https://github.com/gchq/CyberChef/pull/625
 [#627]: https://github.com/gchq/CyberChef/pull/627
+[#632]: https://github.com/gchq/CyberChef/pull/632

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "cyberchef",
-  "version": "9.6.0",
+  "version": "9.7.5",
   "lockfileVersion": 1,
   "requires": true,
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@@ -7464,6 +7651,11 @@
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+      },
+      "dependencies": {
+        "file-type": {
+          "version": "10.11.0",
+          "resolved": "https://registry.npmjs.org/file-type/-/file-type-10.11.0.tgz",
+          "integrity": "sha512-uzk64HRpUZyTGZtVuvrjP0FYxzQrBf4rojot6J65YMEbwBLB0CWm0CLojVpwpmFmxcE/lkvYICgfcGozbBq6rw=="
+        }
+      }
+    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cyberchef",
-  "version": "9.6.0",
+  "version": "9.7.5",
   "description": "The Cyber Swiss Army Knife for encryption, encoding, compression and data analysis.",
   "author": "n1474335 <n1474335@gmail.com>",
   "homepage": "https://gchq.github.io/CyberChef",
@@ -45,6 +45,7 @@
     "babel-plugin-dynamic-import-node": "^2.3.0",
     "chromedriver": "^76.0.1",
     "colors": "^1.3.3",
+    "copy-webpack-plugin": "^5.0.4",
     "css-loader": "^3.2.0",
     "eslint": "^6.2.2",
     "exports-loader": "^0.7.0",
@@ -130,7 +131,7 @@
     "moment": "^2.24.0",
     "moment-timezone": "^0.5.26",
     "ngeohash": "^0.6.3",
-    "node-forge": "^0.8.5",
+    "node-forge": "^0.9.1",
     "node-md6": "^0.1.0",
     "nodom": "^2.2.0",
     "notepack.io": "^2.2.0",
@@ -143,6 +144,7 @@
     "sortablejs": "^1.9.0",
     "split.js": "^1.5.11",
     "ssdeep.js": "0.0.2",
+    "tesseract.js": "^2.0.0-alpha.15",
     "ua-parser-js": "^0.7.20",
     "utf8": "^3.0.0",
     "vkbeautify": "^0.99.3",

src/core/config/Categories.json

@@ -383,6 +383,7 @@
         "ops": [
             "Render Image",
             "Play Media",
+            "Optical Character Recognition",
             "Remove EXIF",
             "Extract EXIF",
             "Split Colour Channels",

src/core/lib/FileSignatures.mjs

@@ -241,6 +241,28 @@ export const FILE_SIGNATURES = {
             ],
             extractor: null
         },
+        {
+            name: "The GIMP image",
+            extension: "xcf",
+            mime: "image/x-xcf",
+            description: "",
+            signature: {
+                0: 0x67, // gimp xcf
+                1: 0x69,
+                2: 0x6d,
+                3: 0x70,
+                4: 0x20,
+                5: 0x78,
+                6: 0x63,
+                7: 0x66,
+                8: 0x20,
+                9: [0x66, 0x76],
+                10: [0x69, 0x30],
+                11: [0x6c, 0x30],
+                12: [0x65, 0x31, 0x32, 0x33]
+            },
+            extractor: null
+        },
         {
             name: "Icon image",
             extension: "ico",
@@ -363,10 +385,40 @@ export const FILE_SIGNATURES = {
                 3: 0x00
             },
             extractor: null
+        },
+        {
+            name: "Joint Photographic Experts Group image (under Base64)",
+            extension: "B64",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x2f,
+                1: 0x39,
+                2: 0x6a,
+                3: 0x2f,
+                4: 0x34
+            },
+            extractor: null
+        },
+        {
+            name: "Portable Network Graphics image (under Base64)",
+            extension: "B64",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x69,
+                1: 0x56,
+                2: 0x42,
+                3: 0x4f,
+                4: 0x52,
+                5: 0x77,
+                6: 0x30
+            },
+            extractor: null
         }
     ],
     "Video": [
-        { // Place before webm
+        {
             name: "Matroska Multimedia Container",
             extension: "mkv",
             mime: "video/x-matroska",
@@ -392,7 +444,28 @@ export const FILE_SIGNATURES = {
                 0: 0x1a,
                 1: 0x45,
                 2: 0xdf,
-                3: 0xa3
+                3: 0xa3,
+                4: 0x01,
+                5: 0x00,
+                6: 0x00,
+                7: 0x00
+            },
+            extractor: null
+        },
+        { // Place before MPEG-4
+            name: "Flash MP4 video",
+            extension: "f4v",
+            mime: "video/mp4",
+            description: "",
+            signature: {
+                4: 0x66,
+                5: 0x74,
+                6: 0x79,
+                7: 0x70,
+                8: [0x66, 0x46],
+                9: 0x34,
+                10: [0x76, 0x56],
+                11: 0x20
             },
             extractor: null
         },
@@ -766,6 +839,41 @@ export const FILE_SIGNATURES = {
             },
             extractor: extractPDF
         },
+        {
+            name: "Portable Document Format (under Base64)",
+            extension: "B64",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x41,
+                1: 0x4a,
+                2: 0x56,
+                3: 0x42,
+                4: 0x45,
+                5: 0x52,
+                6: 0x69
+            },
+            extractor: null
+        },
+        { // Place before PostScript
+            name: "Adobe PostScript",
+            extension: "ps,eps,ai,pfa",
+            mime: "application/postscript",
+            description: "",
+            signature: {
+                0: 0x25,
+                1: 0x21,
+                2: 0x50,
+                3: 0x53,
+                4: 0x2d,
+                5: 0x41,
+                6: 0x64,
+                7: 0x6f,
+                8: 0x62,
+                9: 0x65
+            },
+            extractor: null
+        },
         {
             name: "PostScript",
             extension: "ps",
@@ -792,7 +900,7 @@ export const FILE_SIGNATURES = {
             extractor: extractRTF
         },
         {
-            name: "Microsoft Office documents/OLE2",
+            name: "Microsoft Office document/OLE2",
             extension: "ole2,doc,xls,dot,ppt,xla,ppa,pps,pot,msi,sdw,db,vsd,msg",
             mime: "application/msword,application/vnd.ms-excel,application/vnd.ms-powerpoint",
             description: "Microsoft Office documents",
@@ -809,7 +917,24 @@ export const FILE_SIGNATURES = {
             extractor: null
         },
         {
-            name: "Microsoft Office 2007+ documents",
+            name: "Microsoft Office document/OLE2 (under Base64)",
+            extension: "B64",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x30,
+                1: 0x4d,
+                2: 0x38,
+                3: 0x52,
+                4: 0x34,
+                5: 0x4b,
+                6: 0x47,
+                7: 0x78
+            },
+            extractor: null
+        },
+        {
+            name: "Microsoft Office 2007+ document",
             extension: "docx,xlsx,pptx",
             mime: "application/vnd.openxmlformats-officedocument.wordprocessingml.document,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet,application/vnd.openxmlformats-officedocument.presentationml.presentation",
             description: "",
@@ -828,6 +953,131 @@ export const FILE_SIGNATURES = {
             },
             extractor: extractZIP
         },
+        {
+            name: "Microsoft Access database",
+            extension: "mdb,mda,mde,mdt,fdb,psa",
+            mime: "application/msaccess",
+            description: "",
+            signature: {
+                0: 0x00,
+                1: 0x01,
+                2: 0x00,
+                3: 0x00,
+                4: 0x53, // Standard Jet
+                5: 0x74,
+                6: 0x61,
+                7: 0x6e,
+                8: 0x64,
+                9: 0x61,
+                10: 0x72,
+                11: 0x64,
+                12: 0x20,
+                13: 0x4a,
+                14: 0x65,
+                15: 0x74
+            },
+            extractor: null
+        },
+        {
+            name: "Microsoft Access 2007+ database",
+            extension: "accdb,accde,accda,accdu",
+            mime: "application/msaccess",
+            description: "",
+            signature: {
+                0: 0x00,
+                1: 0x01,
+                2: 0x00,
+                3: 0x00,
+                4: 0x53, // Standard ACE DB
+                5: 0x74,
+                6: 0x61,
+                7: 0x6e,
+                8: 0x64,
+                9: 0x61,
+                10: 0x72,
+                11: 0x64,
+                12: 0x20,
+                13: 0x41,
+                14: 0x43,
+                15: 0x45,
+                16: 0x20
+            },
+            extractor: null
+        },
+        {
+            name: "Microsoft OneNote document",
+            extension: "one",
+            mime: "application/onenote",
+            description: "",
+            signature: {
+                0: 0xe4,
+                1: 0x52,
+                2: 0x5c,
+                3: 0x7b,
+                4: 0x8c,
+                5: 0xd8,
+                6: 0xa7,
+                7: 0x4d,
+                8: 0xae,
+                9: 0xb1,
+                10: 0x53,
+                11: 0x78,
+                12: 0xd0,
+                13: 0x29,
+                14: 0x96,
+                15: 0xd3
+            },
+            extractor: null
+        },
+        {
+            name: "Outlook Express database",
+            extension: "dbx",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0xcf,
+                1: 0xad,
+                2: 0x12,
+                3: 0xfe,
+                4: [0x30, 0xc5, 0xc6, 0xc7],
+                11: 0x11
+            },
+            extractor: null
+        },
+        {
+            name: "Personal Storage Table (Outlook)",
+            extension: "pst,ost,fdb,pab",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x21, // !BDN
+                1: 0x42,
+                2: 0x44,
+                3: 0x4e
+            },
+            extractor: null
+        },
+        {
+            name: "Microsoft Exchange Database",
+            extension: "edb",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                4: 0xef,
+                5: 0xcd,
+                6: 0xab,
+                7: 0x89,
+                8: [0x20, 0x23],
+                9: 0x06,
+                10: 0x00,
+                11: 0x00,
+                12: [0x00, 0x01],
+                13: 0x00,
+                14: 0x00,
+                15: 0x00
+            },
+            extractor: null
+        },
         {
             name: "EPUB e-book",
             extension: "epub",
@@ -897,6 +1147,36 @@ export const FILE_SIGNATURES = {
             },
             extractor: extractELF
         },
+        {
+            name: "MacOS Mach-O object file",
+            extension: "dylib",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0xca,
+                1: 0xfe,
+                2: 0xba,
+                3: 0xbe,
+                4: 0x00,
+                5: 0x00,
+                6: 0x00,
+                7: [0x01, 0x02, 0x03]
+            },
+            extractor: null
+        },
+        {
+            name: "MacOS Mach-O 64-bit object file",
+            extension: "dylib",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0xcf,
+                1: 0xfa,
+                2: 0xed,
+                3: 0xfe
+            },
+            extractor: null
+        },
         {
             name: "Adobe Flash",
             extension: "swf",
@@ -905,7 +1185,7 @@ export const FILE_SIGNATURES = {
             signature: {
                 0: [0x43, 0x46],
                 1: 0x57,
-                2: 0x53
+                2: 0x53,
             },
             extractor: null
         },
@@ -967,13 +1247,28 @@ export const FILE_SIGNATURES = {
             },
             extractor: extractZIP
         },
+        {
+            name: "PKZIP archive (under Base64)",
+            extension: "B64",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x55,
+                1: 0x45,
+                2: 0x73,
+                3: 0x44,
+                4: 0x42,
+                5: 0x42
+            },
+            extractor: null
+        },
         {
             name: "TAR archive",
             extension: "tar",
             mime: "application/x-tar",
             description: "",
             signature: {
-                257: 0x75,
+                257: 0x75, // ustar
                 258: 0x73,
                 259: 0x74,
                 260: 0x61,
@@ -1111,7 +1406,45 @@ export const FILE_SIGNATURES = {
             signature: {
                 0: 0x4b,
                 1: 0x44,
-                2: 0x4d
+                2: 0x4d,
+                3: 0x56,
+                5: 0x00,
+                6: 0x00,
+                7: 0x00
+            },
+            extractor: null
+        },
+        {
+            name: "Virtual Hard Drive",
+            extension: "vhd",
+            mime: "application/x-vhd",
+            description: "",
+            signature: {
+                0: 0x63, // conectix
+                1: 0x6f,
+                2: 0x6e,
+                3: 0x65,
+                4: 0x63,
+                5: 0x74,
+                6: 0x69,
+                7: 0x78
+            },
+            extractor: null
+        },
+        {
+            name: "Macintosh disk image",
+            extension: "dmf,dmg",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x78,
+                1: 0x01,
+                2: 0x73,
+                3: 0x0d,
+                4: 0x62,
+                5: 0x62,
+                6: 0x60,
+                7: 0x60
             },
             extractor: null
         },
@@ -1218,7 +1551,37 @@ export const FILE_SIGNATURES = {
                 9: 0x2d
             },
             extractor: null
-        }
+        },
+        {
+            name: "Microsoft Cabinet file",
+            extension: "cab",
+            mime: "vnd.ms-cab-compressed",
+            description: "",
+            signature: {
+                0: 0x4d,
+                1: 0x53,
+                2: 0x43,
+                3: 0x46,
+                4: 0x00,
+                5: 0x00,
+                6: 0x00,
+                7: 0x00
+            },
+            extractor: null
+        },
+        {
+            name: "Jar Archive",
+            extension: "jar",
+            mime: "application/java-archive",
+            description: "",
+            signature: {
+                0: 0x5f,
+                1: 0x27,
+                2: 0xa8,
+                3: 0x89
+            },
+            extractor: null
+        },
     ],
     "Miscellaneous": [
         {
@@ -1398,7 +1761,213 @@ export const FILE_SIGNATURES = {
                 }
             ],
             extractor: null
-        }
+        },
+        {
+            name: "Cryptocurrency wallet",
+            extension: "wallet",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x00,
+                1: 0x00,
+                2: 0x00,
+                3: 0x00,
+                4: 0x01,
+                5: 0x00,
+                6: 0x00,
+                7: 0x00,
+                8: 0x00,
+                9: 0x00,
+                10: 0x00,
+                11: 0x00,
+                12: 0x62,
+                13: 0x31,
+                14: 0x05,
+                15: 0x00
+            },
+            extractor: null
+        },
+        {
+            name: "Registry fragment",
+            extension: "hbin",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x68, // hbin
+                1: 0x62,
+                2: 0x69,
+                3: 0x6e,
+                4: 0x00
+            },
+            extractor: null
+        },
+        {
+            name: "Registry script",
+            extension: "rgs",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x48, // HKCR
+                1: 0x4b,
+                2: 0x43,
+                3: 0x52,
+                4: 0x0d,
+                5: 0x0a,
+                6: 0x5c,
+                7: 0x7b
+            },
+            extractor: null
+        },
+        {
+            name: "WinNT Registry Hive",
+            extension: "registry",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x72,
+                1: 0x65,
+                2: 0x67,
+                3: 0x66
+            },
+            extractor: null
+        },
+        {
+            name: "Windows Event Log",
+            extension: "evt",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x30,
+                1: 0x00,
+                2: 0x00,
+                3: 0x00,
+                4: 0x4c,
+                5: 0x66,
+                6: 0x4c,
+                7: 0x65
+            },
+            extractor: null
+        },
+        {
+            name: "Windows Event Log",
+            extension: "evtx",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x45, // ElfFile
+                1: 0x6c,
+                2: 0x66,
+                3: 0x46,
+                4: 0x69,
+                5: 0x6c,
+                6: 0x65
+            },
+            extractor: null
+        },
+        {
+            name: "Windows Pagedump",
+            extension: "dmp",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x50, // PAGEDU(MP|64)
+                1: 0x41,
+                2: 0x47,
+                3: 0x45,
+                4: 0x44,
+                5: 0x55,
+                6: [0x4d, 0x36],
+                7: [0x50, 0x34]
+            },
+            extractor: null
+        },
+        {
+            name: "Windows Prefetch",
+            extension: "pf",
+            mime: "application/x-pf",
+            description: "",
+            signature: {
+                0: [0x11, 0x17, 0x1a],
+                1: 0x0,
+                2: 0x0,
+                3: 0x0,
+                4: 0x53,
+                5: 0x43,
+                6: 0x43,
+                7: 0x41
+            },
+            extractor: null
+        },
+        {
+            name: "Windows Prefetch (Win 10)",
+            extension: "pf",
+            mime: "application/x-pf",
+            description: "",
+            signature: {
+                0: 0x4d,
+                1: 0x41,
+                2: 0x4d,
+                3: 0x04,
+                7: 0x0
+            },
+            extractor: null
+        },
+        {
+            name: "PList (XML)",
+            extension: "plist",
+            mime: "application/xml",
+            description: "",
+            signature: {
+                39: 0x3c, // <!DOCTYPE plist
+                40: 0x21,
+                41: 0x44,
+                42: 0x4f,
+                43: 0x43,
+                44: 0x54,
+                45: 0x59,
+                46: 0x50,
+                47: 0x45,
+                48: 0x20,
+                49: 0x70,
+                50: 0x6c,
+                51: 0x69,
+                52: 0x73,
+                53: 0x74
+            },
+            extractor: extractPListXML
+        },
+        {
+            name: "PList (binary)",
+            extension: "bplist,plist,ipmeta,abcdp,mdbackup,mdinfo,strings,nib,ichat,qtz,webbookmark,webhistory",
+            mime: "application/x-plist",
+            description: "",
+            signature: {
+                0: 0x62, // bplist00
+                1: 0x70,
+                2: 0x6c,
+                3: 0x69,
+                4: 0x73,
+                5: 0x74,
+                6: 0x30,
+                7: 0x30
+            },
+            extractor: null
+        },
+        {
+            name: "MacOS X Keychain",
+            extension: "keychain",
+            mime: "application/octet-stream",
+            description: "",
+            signature: {
+                0: 0x6b, // keych
+                1: 0x79,
+                2: 0x63,
+                3: 0x68,
+                4: 0x00,
+                5: 0x01
+            },
+            extractor: null
+        },
     ]
 };
 
@@ -1732,6 +2301,24 @@ export function extractRTF(bytes, offset) {
 }
 
 
+/**
+ * PList (XML) extractor.
+ *
+ * @param {Uint8Array} bytes
+ * @param {number} offset
+ * @returns {Uint8Array}
+ */
+export function extractPListXML(bytes, offset) {
+    const stream = new Stream(bytes.slice(offset));
+
+    // Find closing tag (</plist>\n)
+    stream.continueUntil([0x3c, 0x2f, 0x70, 0x6c, 0x69, 0x73, 0x74, 0x3e, 0x0a]);
+    stream.moveForwardsBy(9);
+
+    return stream.carve();
+}
+
+
 /**
  * GZIP extractor.
  *

src/core/operations/ConvertDataUnits.mjs

@@ -54,7 +54,7 @@ class ConvertDataUnits extends Operation {
 const DATA_UNITS = [
     "Bits (b)", "Nibbles", "Octets", "Bytes (B)",
     "[Binary bits (2^n)]", "Kibibits (Kib)", "Mebibits (Mib)", "Gibibits (Gib)", "Tebibits (Tib)", "Pebibits (Pib)", "Exbibits (Eib)", "Zebibits (Zib)", "Yobibits (Yib)", "[/Binary bits (2^n)]",
-    "[Decimal bits (10^n)]", "Decabits", "Hectobits", "Kilobits (kb)", "Megabits (Mb)", "Gigabits (Gb)", "Terabits (Tb)", "Petabits (Pb)", "Exabits (Eb)", "Zettabits (Zb)", "Yottabits (Yb)", "[/Decimal bits (10^n)]",
+    "[Decimal bits (10^n)]", "Decabits", "Hectobits", "Kilobits (Kb)", "Megabits (Mb)", "Gigabits (Gb)", "Terabits (Tb)", "Petabits (Pb)", "Exabits (Eb)", "Zettabits (Zb)", "Yottabits (Yb)", "[/Decimal bits (10^n)]",
     "[Binary bytes (8 x 2^n)]", "Kibibytes (KiB)", "Mebibytes (MiB)", "Gibibytes (GiB)", "Tebibytes (TiB)", "Pebibytes (PiB)", "Exbibytes (EiB)", "Zebibytes (ZiB)", "Yobibytes (YiB)", "[/Binary bytes (8 x 2^n)]",
     "[Decimal bytes (8 x 10^n)]", "Kilobytes (KB)", "Megabytes (MB)", "Gigabytes (GB)", "Terabytes (TB)", "Petabytes (PB)", "Exabytes (EB)", "Zettabytes (ZB)", "Yottabytes (YB)", "[/Decimal bytes (8 x 10^n)]"
 ];

src/core/operations/DetectFileType.mjs

@@ -23,10 +23,10 @@ class DetectFileType extends Operation {
         this.module = "Default";
         this.description = "Attempts to guess the MIME (Multipurpose Internet Mail Extensions) type of the data based on 'magic bytes'.<br><br>Currently supports the following file types: " +
             Object.keys(FILE_SIGNATURES).map(cat =>
-                FILE_SIGNATURES[cat].map(sig =>
+                [].concat.apply([], FILE_SIGNATURES[cat].map(sig =>
-                    sig.extension.split(",")[0]
+                    sig.extension.split(",")
-                ).join(", ")
+                )).unique().join(", ")
-            ).join(", ") + ".";
+            ).unique().join(", ") + ".";
         this.infoURL = "https://wikipedia.org/wiki/List_of_file_signatures";
         this.inputType = "ArrayBuffer";
         this.outputType = "string";

src/core/operations/OpticalCharacterRecognition.mjs

@@ -0,0 +1,87 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @author mshwed [m@ttshwed.com]
+ * @copyright Crown Copyright 2019
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+import OperationError from "../errors/OperationError.mjs";
+import { isImage } from "../lib/FileType.mjs";
+import { toBase64 } from "../lib/Base64.mjs";
+import { isWorkerEnvironment } from "../Utils.mjs";
+
+import Tesseract from "tesseract.js";
+const { TesseractWorker } = Tesseract;
+
+import process from "process";
+
+/**
+ * Optical Character Recognition operation
+ */
+class OpticalCharacterRecognition extends Operation {
+
+    /**
+     * OpticalCharacterRecognition constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Optical Character Recognition";
+        this.module = "OCR";
+        this.description = "Optical character recognition or optical character reader (OCR) is the mechanical or electronic conversion of images of typed, handwritten or printed text into machine-encoded text.<br><br>Supported image formats: png, jpg, bmp, pbm.";
+        this.infoURL = "https://wikipedia.org/wiki/Optical_character_recognition";
+        this.inputType = "ArrayBuffer";
+        this.outputType = "string";
+        this.args = [
+            {
+                name: "Show confidence",
+                type: "boolean",
+                value: true
+            }
+        ];
+    }
+
+    /**
+     * @param {ArrayBuffer} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    async run(input, args) {
+        const [showConfidence] = args;
+
+        if (!isWorkerEnvironment()) throw OperationError("This operation only works in a browser");
+
+        const type = isImage(input);
+        if (!type) {
+            throw new OperationError("Invalid File Type");
+        }
+
+        const assetDir = isWorkerEnvironment() ? `${self.docURL}/assets/` : `${process.cwd()}/src/core/vendor/`;
+
+        try {
+            const image = `data:${type};base64,${toBase64(input)}`;
+            const worker = new TesseractWorker({
+                workerPath: `${assetDir}tesseract/worker.min.js`,
+                langPath: `${assetDir}tesseract/lang-data`,
+                corePath: `${assetDir}tesseract/tesseract-core.wasm.js`,
+            });
+            const result = await worker.recognize(image)
+                .progress(progress => {
+                    if (isWorkerEnvironment()) {
+                        self.sendStatusMessage(`Status: ${progress.status} - ${(parseFloat(progress.progress)*100).toFixed(2)}%`);
+                    }
+                });
+
+            if (showConfidence) {
+                return `Confidence: ${result.confidence}%\n\n${result.text}`;
+            } else {
+                return result.text;
+            }
+        } catch (err) {
+            throw new OperationError(`Error performing OCR on image. (${err})`);
+        }
+    }
+}
+
+export default OpticalCharacterRecognition;

src/node/NodeRecipe.mjs

@@ -43,11 +43,13 @@ class NodeRecipe {
             } else {
                 throw new TypeError("Inputted function not a Chef operation.");
             }
-        // CASE: op with configuration
+        // CASE: op, maybe with configuration
-        } else if (ing.op && ing.args) {
+        } else if (ing.op) {
-            // Return op and args pair for opList item.
             const sanitisedOp = this._validateIngredient(ing.op);
-            return {op: sanitisedOp, args: ing.args};
+            if (ing.args) {
+                return {op: sanitisedOp, args: ing.args};
+            }
+            return sanitisedOp;
         } else {
             throw new TypeError("Recipe can only contain function names or functions");
         }

tests/node/tests/nodeApi.mjs

@@ -259,6 +259,13 @@ TestRegister.addApiTests([
         assert.strictEqual(result.toString(), "73:6f:6d:65:20:69:6e:70:75:74");
     }),
 
+    it("chef.bake: should take single JSON object desribing op with optional args", () => {
+        const result = chef.bake("some input", {
+            op: chef.toHex,
+        });
+        assert.strictEqual(result.toString(), "73 6f 6d 65 20 69 6e 70 75 74");
+    }),
+
     it("chef.bake: should take single JSON object describing op and args ARRAY", () => {
         const result = chef.bake("some input", {
             op: chef.toHex,
@@ -295,6 +302,21 @@ TestRegister.addApiTests([
         assert.strictEqual(result.toString(), "67;63;72;66;146;72;66;144;72;66;65;72;62;60;72;66;71;72;66;145;72;67;60;72;67;65;72;67;64");
     }),
 
+    it("chef.bake: should take multiple ops in JSON object form, some without args", () => {
+        const result = chef.bake("some input", [
+            {
+                op: chef.toHex,
+            },
+            {
+                op: "to octal",
+                args: {
+                    delimiter: "Semi-colon",
+                }
+            }
+        ]);
+        assert.strictEqual(result.toString(), "67;63;40;66;146;40;66;144;40;66;65;40;62;60;40;66;71;40;66;145;40;67;60;40;67;65;40;67;64");
+    }),
+
     it("chef.bake: should handle op with multiple args", () => {
         const result = chef.bake("some input", {
             op: "to morse code",
@@ -324,6 +346,17 @@ TestRegister.addApiTests([
         assert.strictEqual(result.toString(), "begin_something_anananaaaaak_da_aaak_da_aaaaananaaaaaaan_da_aaaaaaanan_da_aaak_end_something");
     }),
 
+    it("chef.bake: should accept Clean JSON format from Chef website - args optional", () => {
+        const result = chef.bake("some input", [
+            { "op": "To Morse Code" },
+            { "op": "Hex to PEM",
+                "args": ["SOMETHING"] },
+            { "op": "To Snake case",
+                "args": [false] }
+        ]);
+        assert.strictEqual(result.toString(), "begin_something_aaaaaaaaaaaaaa_end_something");
+    }),
+
     it("Excluded operations: throw a sensible error when you try and call one", () => {
         try {
             chef.fork();

tests/node/tests/operations.mjs

@@ -70,13 +70,13 @@ TestRegister.addApiTests([
     }),
 
     it("AES decrypt: toggleString and option", () => {
-        const result = AESDecrypt("812c34ae6af353244a63c6ce23b7c34286b60be28ea4645523d4494700e7", {
+        const result = AESDecrypt("4a123af235a507bbc9d5871721d61b98504d569a9a5a7847e2d78315fec7", {
             key: {
                 string: "some longer key1",
                 option: "utf8",
             },
             iv: {
-                string: "some iv",
+                string: "some iv some iv1",
                 option: "utf8",
             },
             mode: "OFB",
@@ -916,8 +916,13 @@ smothering ampersand abreast
     it("Triple DES encrypt / decrypt", () => {
         assert.strictEqual(
             chef.tripleDESDecrypt(
-                chef.tripleDESEncrypt("Destroy Money", {key: {string: "30 31 2f 30 34 2f 31 39 39 39 20 32 32 3a 33 33 3a 30 3130 31 2f 30 34", option: "Hex"}}),
+                chef.tripleDESEncrypt("Destroy Money", {
-                {key: {string: "30 31 2f 30 34 2f 31 39 39 39 20 32 32 3a 33 33 3a 30 3130 31 2f 30 34", option: "Hex"}}).toString(),
+                    key: {string: "30 31 2f 30 34 2f 31 39 39 39 20 32 32 3a 33 33 3a 30 3130 31 2f 30 34", option: "Hex"},
+                    iv: {string: "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0000 00 00 00 00", option: "Hex"}}),
+                {
+                    key: {string: "30 31 2f 30 34 2f 31 39 39 39 20 32 32 3a 33 33 3a 30 3130 31 2f 30 34", option: "Hex"},
+                    iv: {string: "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0000 00 00 00 00", option: "Hex"}
+                }).toString(),
             "Destroy Money");
     }),
 

tests/operations/tests/Crypt.mjs

@@ -76,7 +76,7 @@ The following algorithms will be used based on the size of the key:
         ],
     },
     {
-        name: "AES Encrypt: AES-128-CBC, no IV, ASCII",
+        name: "AES Encrypt: AES-128-CBC with IV0, ASCII",
         input: "The quick brown fox jumps over the lazy dog.",
         expectedOutput: "2ef6c3fdb1314b5c2c326a2087fe1a82d5e73bf605ec8431d73e847187fc1c8fbbe969c177df1ecdf8c13f2f505f9498",
         recipeConfig: [
@@ -84,14 +84,14 @@ The following algorithms will be used based on the size of the key:
                 "op": "AES Encrypt",
                 "args": [
                     {"option": "Hex", "string": "00112233445566778899aabbccddeeff"},
-                    {"option": "Hex", "string": ""},
+                    {"option": "Hex", "string": "00000000000000000000000000000000"},
                     "CBC", "Raw", "Hex"
                 ]
             }
         ],
     },
     {
-        name: "AES Encrypt: AES-128-CTR, no IV, ASCII",
+        name: "AES Encrypt: AES-128-CTR with IV0, ASCII",
         input: "The quick brown fox jumps over the lazy dog.",
         expectedOutput: "a98c9e8e3b7c894384d740e4f0f4ed0be2bbb1e0e13a255812c3c6b0a629e4ad759c075b2469c6f4fb2c0cf9",
         recipeConfig: [
@@ -99,14 +99,14 @@ The following algorithms will be used based on the size of the key:
                 "op": "AES Encrypt",
                 "args": [
                     {"option": "Hex", "string": "00112233445566778899aabbccddeeff"},
-                    {"option": "Hex", "string": ""},
+                    {"option": "Hex", "string": "00000000000000000000000000000000"},
                     "CTR", "Raw", "Hex"
                 ]
             }
         ],
     },
     {
-        name: "AES Encrypt: AES-128-CBC with IV, ASCII",
+        name: "AES Encrypt: AES-128-CBC with IV1, ASCII",
         input: "The quick brown fox jumps over the lazy dog.",
         expectedOutput: "4fa077d50cc71a57393e7b542c4e3aea0fb75383b97083f2f568ffc13c0e7a47502ec6d9f25744a061a3a5e55fe95e8d",
         recipeConfig: [
@@ -537,9 +537,10 @@ Triple DES uses a key length of 24 bytes (192 bits).`,
         ],
     },
     {
+        // play.golang.org/p/4Qm2hfLGsqc
         name: "DES Encrypt: DES-CTR, Binary",
         input: "7a0e643132750e96d805d11e9e48e281fa39a41039286423cc1c045e5442b40bf1c3f2822bded3f9c8ef11cb25da64dda9c7ab87c246bd305385150c98f31465c2a6180fe81d31ea289b916504d5a12e1de26cb10adba84a0cb0c86f94bc14bc554f3018",
-        expectedOutput: "09015087e15b0937ab0ae5a84d66e520893690a6ea066382bf1330e8876cb3aa82ccc634f8f0d458bbe0257df6f4637cdac89f311168ba91208a21ba4bdd13c4b1a92cb93b33364b5b94a5d3d7fba68f6eed5807d9f5afeb7fbffcd94792131d264004ae",
+        expectedOutput: "09015087e15b0937c462fd5974af0c4b5880de136a5680453c99f4500628cbeca769623515d836985110b93eacfea7fa4a7b2b3cb4f67acbb5f7e8ddb5a5d445da74bf6572b0a874befa3888c81110776388e400afd8dc908dcc0c018c7753355f8a1c9f",
         recipeConfig: [
             {
                 "op": "DES Encrypt",
@@ -630,9 +631,10 @@ DES uses a key length of 8 bytes (64 bits).`,
         ],
     },
     {
+        // play.golang.org/p/RElT6pVeNz2
         name: "Triple DES Encrypt: DES-EDE3-CTR, Binary",
         input: "7a0e643132750e96d805d11e9e48e281fa39a41039286423cc1c045e5442b40bf1c3f2822bded3f9c8ef11cb25da64dda9c7ab87c246bd305385150c98f31465c2a6180fe81d31ea289b916504d5a12e1de26cb10adba84a0cb0c86f94bc14bc554f3018",
-        expectedOutput: "874d32cd7bdae52c254687e2d7e7093b077af2ec70878f99315f52a21ded5fb10c80a47e6271384335ac47376c758f675484fd7b8be9568aaec643f0d15cffdf3fe54ef3a1b2da50d5d8c7994d7a4a94e0a13a4d437443f0f1f39e93dd13ff06a80c66e4",
+        expectedOutput: "874d32cd7bdae52cd8630d3ab2bf373e7110e13713caa6a8bfed9d9dd802d0ebe93128ac0d0f05abcc56237b75fb69207dba11e68ddc4b0118a4c75e7248bbd80aaba4dd4436642546ec6ca7fa7526f3b0018ed5194c409dc2c1484530b968af554984f3",
         recipeConfig: [
             {
                 "op": "Triple DES Encrypt",
@@ -681,7 +683,7 @@ The following algorithms will be used based on the size of the key:
         ],
     },
     {
-        name: "AES Decrypt: AES-128-CBC, no IV, ASCII",
+        name: "AES Decrypt: AES-128-CBC with IV0, ASCII",
         input: "2ef6c3fdb1314b5c2c326a2087fe1a82d5e73bf605ec8431d73e847187fc1c8fbbe969c177df1ecdf8c13f2f505f9498",
         expectedOutput: "The quick brown fox jumps over the lazy dog.",
         recipeConfig: [
@@ -689,7 +691,7 @@ The following algorithms will be used based on the size of the key:
                 "op": "AES Decrypt",
                 "args": [
                     {"option": "Hex", "string": "00112233445566778899aabbccddeeff"},
-                    {"option": "Hex", "string": ""},
+                    {"option": "Hex", "string": "00000000000000000000000000000000"},
                     "CBC", "Hex", "Raw",
                     {"option": "Hex", "string": ""}
                 ]
@@ -697,7 +699,7 @@ The following algorithms will be used based on the size of the key:
         ],
     },
     {
-        name: "AES Decrypt: AES-128-CTR, no IV, ASCII",
+        name: "AES Decrypt: AES-128-CTR with IV0, ASCII",
         input: "a98c9e8e3b7c894384d740e4f0f4ed0be2bbb1e0e13a255812c3c6b0a629e4ad759c075b2469c6f4fb2c0cf9",
         expectedOutput: "The quick brown fox jumps over the lazy dog.",
         recipeConfig: [
@@ -705,7 +707,7 @@ The following algorithms will be used based on the size of the key:
                 "op": "AES Decrypt",
                 "args": [
                     {"option": "Hex", "string": "00112233445566778899aabbccddeeff"},
-                    {"option": "Hex", "string": ""},
+                    {"option": "Hex", "string": "00000000000000000000000000000000"},
                     "CTR", "Hex", "Raw",
                     {"option": "Hex", "string": ""}
                 ]
@@ -1160,9 +1162,10 @@ Triple DES uses a key length of 24 bytes (192 bits).`,
         ],
     },
     {
+        // play.golang.org/p/FpvqncmPk7R
         name: "DES Decrypt: DES-CTR, Binary",
         input: "09015087e15b0937ab0ae5a84d66e520893690a6ea066382bf1330e8876cb3aa82ccc634f8f0d458bbe0257df6f4637cdac89f311168ba91208a21ba4bdd13c4b1a92cb93b33364b5b94a5d3d7fba68f6eed5807d9f5afeb7fbffcd94792131d264004ae",
-        expectedOutput: "7a0e643132750e96d805d11e9e48e281fa39a41039286423cc1c045e5442b40bf1c3f2822bded3f9c8ef11cb25da64dda9c7ab87c246bd305385150c98f31465c2a6180fe81d31ea289b916504d5a12e1de26cb10adba84a0cb0c86f94bc14bc554f3018",
+        expectedOutput: "7a0e643132750e96b76dc9efa7810bea2b8feaa5b97887e44f96c0e6d506cc4dd4665683c6f63139221f8d887fd0a05b39741f8a67d87d6ac6f8dc6b668bd3e4a97b8bd3a19eafd5cdf50c3e1b3f17d61087d0b67cf6db31fec338b75f5954942c852829",
         recipeConfig: [
             {
                 "op": "DES Decrypt",
@@ -1253,9 +1256,10 @@ DES uses a key length of 8 bytes (64 bits).`,
         ],
     },
     {
+        // play.golang.org/p/iBacN9kX_RO
         name: "Triple DES Decrypt: DES-EDE3-CTR, Binary",
         input: "874d32cd7bdae52c254687e2d7e7093b077af2ec70878f99315f52a21ded5fb10c80a47e6271384335ac47376c758f675484fd7b8be9568aaec643f0d15cffdf3fe54ef3a1b2da50d5d8c7994d7a4a94e0a13a4d437443f0f1f39e93dd13ff06a80c66e4",
-        expectedOutput: "7a0e643132750e96d805d11e9e48e281fa39a41039286423cc1c045e5442b40bf1c3f2822bded3f9c8ef11cb25da64dda9c7ab87c246bd305385150c98f31465c2a6180fe81d31ea289b916504d5a12e1de26cb10adba84a0cb0c86f94bc14bc554f3018",
+        expectedOutput: "7a0e643132750e9625205bc6fb10dc848c53b7cb5a654d1242aecb6191ad3b5114727e5044a0ee11311575873c54829a80f9471ac473a0bbe5e791a23be75062f7e8f2210d998f9fbbaf3a5bb3dacd494d42d82950e3ab273f821eb979168315a80ad20f",
         recipeConfig: [
             {
                 "op": "Triple DES Decrypt",

tests/operations/tests/Image.mjs

@@ -247,5 +247,20 @@ TestRegister.addTests([
                 args: ["None"]
             }
         ]
-    }
+    },
+    /*{ This operation only works in a browser
+        name: "Optical Character Recognition",
+        input: "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",
+        expectedOutput: "Tesseract.js\n",
+        recipeConfig: [
+            {
+                "op": "From Base64",
+                "args": ["A-Za-z0-9+/=", true]
+            },
+            {
+                "op": "Optical Character Recognition",
+                "args": [false]
+            }
+        ]
+    }*/
 ]);

webpack.config.js

@@ -1,5 +1,6 @@
 const webpack = require("webpack");
 const MiniCssExtractPlugin = require("mini-css-extract-plugin");
+const CopyWebpackPlugin = require("copy-webpack-plugin");
 const path = require("path");
 
 /**
@@ -50,6 +51,13 @@ module.exports = {
         new MiniCssExtractPlugin({
             filename: "assets/[name].css"
         }),
+        new CopyWebpackPlugin([
+            {
+                context: "src/core/vendor/",
+                from: "tesseract/**/*",
+                to: "assets/"
+            }
+        ])
     ],
     resolve: {
         alias: {