@sealsystems/ipp - npm Package Compare versions

Comparing version 2.0.9 to 2.0.11

ipp.js

@@ -15,3 +15,4 @@ 'use strict';
   tags: require('./lib/tags'),
-  statusCodes: require('./lib/statusCodes')
+  statusCodes: require('./lib/statusCodes'),
+  StreamParser: require('./lib/StreamParser')
 };
@@ -18,0 +19,0 @@ module.exports.operations = module.exports.enums['operations-supported'];

lib/enums.js

@@ -194,2 +194,45 @@ 'use strict';
   ]),
+  'cups-operations-supported': xref([
+    // https://www.cups.org/doc/spec-ipp.html
+    'CUPS-Get-Default',
+    'CUPS-Get-Printers',
+    'CUPS-Add-Modify-Printer',
+    'CUPS-Delete-Printer',
+    'CUPS-Get-Classes',
+    'CUPS-Add-Modify-Class',
+    'CUPS-Delete-Class',
+    'CUPS-Accept-Jobs',
+    'CUPS-Reject-Jobs',
+    'CUPS-Set-Default',
+    'CUPS-Get-Devices',
+    'CUPS-Get-PPDs',
+    'CUPS-Move-Job',
+    'CUPS-Authenticate-Job',
+    'CUPS-Get-PPD',
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    null,
+    'CUPS-Get-Document',
+    'CUPS-Create-Local-Printer'
+  ], 0x4001),
   'job-collation-type': xref([
@@ -196,0 +239,0 @@ // IPP2.1 http://tools.ietf.org/html/rfc3381#section-6.3

lib/ipputil.js

@@ -6,7 +6,7 @@ 'use strict';
 //  converts the arrays to objects and tacks on a 'lookup' property.
-const xref = (arr) => {
+const xref = (arr, offset = 0) => {
   const obj = {};
 
   arr.forEach((item, index) => {
-    obj[item] = index;
+    obj[item] = index + offset;
   });
@@ -13,0 +13,0 @@ obj.lookup = arr;

lib/parser.js

 'use strict';
 
-const enums = require('./enums'),
-      statusCodes = require('./statusCodes'),
-      tags = require('./tags');
+const enums = require('./enums');
+const statusCodes = require('./statusCodes');
+const tags = require('./tags');
 
-const operations = enums['operations-supported'],
-      RS = '\u001e';
+const operations = enums['operations-supported'];
+const cupsOperations = enums['cups-operations-supported'];
+const RS = '\u001e';
 
@@ -16,2 +17,6 @@ const parser = (buf) => {
   const read1 = () => {
+    if (position + 1 > buf.length) {
+      throw new Error('NotEnoughData');
+    }
+
     return buf[position++];
@@ -21,2 +26,5 @@ };
   const read2 = () => {
+    if (position + 2 > buf.length) {
+      throw new Error('NotEnoughData');
+    }
     const val = buf.readInt16BE(position, true);
@@ -30,2 +38,5 @@
   const read4 = () => {
+    if (position + 4 > buf.length) {
+      throw new Error('NotEnoughData');
+    }
     const val = buf.readInt32BE(position, true);
@@ -42,2 +53,5 @@
     }
+    if (position + length > buf.length) {
+      throw new Error('NotEnoughData');
+    }
     const start = position;
@@ -188,2 +202,5 @@
 
+    if (position >= buf.length) {
+      throw new Error('NotEnoughData');
+    }
     while (buf[position] >= 0x0f) {
@@ -204,2 +221,5 @@ // delimiters are between 0x00 to 0x0F
     }
+    if (group !== 0x03) {
+      throw new Error('NotEnoughData');
+    }
   };
@@ -264,3 +284,3 @@
   if (bytes2and3 >= 0x02 || bytes2and3 <= 0x3d) {
-    obj.operation = operations.lookup[bytes2and3];
+    obj.operation = operations.lookup[bytes2and3] || cupsOperations.lookup[bytes2and3];
   }
@@ -281,2 +301,4 @@
 
+module.exports = parser;
+
 module.exports.handleUnknownTag = (tag, name, length, read) => {
@@ -288,2 +310,1 @@ const value = length ? read(length) : undefined;
 
-module.exports = parser;

lib/serializer.js

@@ -7,2 +7,3 @@ 'use strict';
 const operations = require('./enums')['operations-supported'];
+const cupsOperations = require('./enums')['cups-operations-supported'];
 const statusCodes = require('./statusCodes');
@@ -338,3 +339,3 @@ const tags = require('./tags');
   write2(versions[msg.version || '2.0']);
-  write2(msg.operation ? operations[msg.operation] : statusCodes[msg.statusCode]);
+  write2(msg.operation ? operations[msg.operation] || cupsOperations[msg.operation] : statusCodes[msg.statusCode]);
 
@@ -341,0 +342,0 @@ // request-id

package.json

 {
   "name": "@sealsystems/ipp",
-  "version": "2.0.9",
+  "version": "2.0.11",
   "description": "Internet Printing Protocol (IPP) for nodejs",
-  "keywords": ["ipp", "print", "printing"],
+  "keywords": [
+    "ipp",
+    "print",
+    "printing"
+  ],
   "scripts": {
@@ -7,0 +11,0 @@ "bot": "bot",

New alerts

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

148195

increased by1.63%

Number of package files

17

increased by6.25%

Lines of code

4038

increased by2.44%

Worsened metrics

Number of medium supply chain risk alerts

3

increased by50%

No dependency changes