fix(integrity): update cacache and ssri and change EBADCHECKSUM -> EI…

…NTEGRITY

README.md

@@ -281,7 +281,7 @@ fetch('http://reliable.site.com', {
 
 #### <a name="opts-integrity"></a> `> opts.integrity`
 
-Matches the response body against the given [Subresource Integrity](https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity) metadata. If verification fails, the request will fail with an `EBADCHECKSUM` error.
+Matches the response body against the given [Subresource Integrity](https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity) metadata. If verification fails, the request will fail with an `EINTEGRITY` error.
 
 `integrity` may either be a string or an [`ssri`](https://npm.im/ssri) `Integrity`-like.
 
@@ -294,7 +294,7 @@ fetch('https://registry.npmjs.org/make-fetch-happen/-/make-fetch-happen-1.0.0.tg
 
 fetch('https://malicious-registry.org/make-fetch-happen/-/make-fetch-happen-1.0.0.tgz'. {
   integrity: 'sha1-o47j7zAYnedYFn1dF/fR9OV3z8Q='
-}) // Error: EBADCHECKSUM
+}) // Error: EINTEGRITY
 ```
 
 ### <a name="wow"></a> Message From Our Sponsors

package.json

@@ -34,15 +34,15 @@
   "license": "CC0-1.0",
   "dependencies": {
     "bluebird": "^3.5.0",
-    "cacache": "^7.0.1",
+    "cacache": "^7.0.2",
     "checksum-stream": "^1.0.2",
     "lru-cache": "^4.0.2",
     "mississippi": "^1.2.0",
     "node-fetch": "^2.0.0-alpha.3",
     "promise-retry": "^1.1.1",
     "proxy-agent": "^2.0.0",
     "safe-buffer": "^5.0.1",
-    "ssri": "^3.0.2"
+    "ssri": "^4.0.0"
   },
   "devDependencies": {
     "mkdirp": "^0.5.1",

test/integrity.js

@@ -29,7 +29,7 @@ test('basic integrity verification', t => {
     }).then(buf => {
       throw new Error(`bad data: ${buf.toString('utf8')}`)
     }).catch(err => {
-      t.equal(err.code, 'EBADCHECKSUM', 'content failed checksum!')
+      t.equal(err.code, 'EINTEGRITY', 'content failed checksum!')
     })
   })
 })
@@ -51,7 +51,7 @@ test('picks the "best" algorithm', t => {
     }).then(buf => {
       throw new Error(`bad data: ${buf.toString('utf8')}`)
     }).catch(err => {
-      t.equal(err.code, 'EBADCHECKSUM', 'content validated with either sha256 or sha384 (likely the latter)')
+      t.equal(err.code, 'EINTEGRITY', 'content validated with either sha256 or sha384 (likely the latter)')
     })
   }).then(() => {
     // invalidate sha384. sha256 is still valid, in theory
@@ -61,7 +61,7 @@ test('picks the "best" algorithm', t => {
     }).then(buf => {
       throw new Error(`bad data: ${buf.toString('utf8')}`)
     }).catch(err => {
-      t.equal(err.code, 'EBADCHECKSUM', 'strongest algorithm (sha384) treated as authoritative -- sha256 not used')
+      t.equal(err.code, 'EINTEGRITY', 'strongest algorithm (sha384) treated as authoritative -- sha256 not used')
     })
   }).then(() => {
     // remove bad sha384 altogether. sha256 remains valid
@@ -92,7 +92,7 @@ test('supports multiple hashes per algorithm', t => {
     return safetch(`${HOST}/bad`).then(res => res.buffer()).then(buf => {
       throw new Error(`bad data: ${buf.toString('utf8')}`)
     }).catch(err => {
-      t.equal(err.code, 'EBADCHECKSUM', 'only the two valid contents pass')
+      t.equal(err.code, 'EINTEGRITY', 'only the two valid contents pass')
     })
   })
 })
@@ -111,7 +111,7 @@ test('checks integrity on cache fetch too', t => {
     return safetch(`${HOST}/test`).then(res => res.buffer()).then(buf => {
       throw new Error(`bad data: ${buf.toString('utf8')}`)
     }).catch(err => {
-      t.equal(err.code, 'EBADCHECKSUM', 'cached content failed checksum!')
+      t.equal(err.code, 'EINTEGRITY', 'cached content failed checksum!')
     })
   }).then(() => {
     srv.get('/test').reply(200, 'nope')
@@ -122,7 +122,7 @@ test('checks integrity on cache fetch too', t => {
     }).then(res => res.buffer()).then(buf => {
       throw new Error(`bad data: ${buf.toString('utf8')}`)
     }).catch(err => {
-      t.equal(err.code, 'EBADCHECKSUM', 'cached content failed checksum!')
+      t.equal(err.code, 'EINTEGRITY', 'cached content failed checksum!')
     })
   })
 })